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Channel: soboleff 74

Л13У1

токоприемник

пантограф

ВЛ80

00:00:04

and the receiver is used to remove the

00:00:06

voltage from the

00:00:08

contact wire using a sliding contact in order to supply this

00:00:10

voltage to the primary windings of traction

00:00:12

current transformers; the receiver, Figure 28,

00:00:16

consists of the base of the lower upper

00:00:19

movable roam, 2 runner carriages, as well as

00:00:22

lifting the lowering mechanisms;

00:00:24

technical characteristics of only the

00:00:26

receiver type l13a one long current

00:00:30

when moving 550 amperes continuous current when

00:00:33

parked 50 amperes minimum working

00:00:36

lifting height 400 millimeters

00:00:39

maximum working lifting height 1900

00:00:42

millimeters

00:00:43

maximum lifting height of the runner without

00:00:46

limitation two thousand one hundred millimeters

00:00:48

time of lifting the runner to a height of 1900

00:00:51

millimeters from seven to ten seconds

00:00:53

time of lowering the runner from a height 1900

00:00:57

millimeters from 3.5 to 6 seconds the

00:01:00

lowest air pressure in the

00:01:02

pneumatic drives is

00:01:03

3.5 kilograms of force per

00:01:06

square centimeter active pressing of the skid on the

00:01:08

contact wire is at least 6 kilograms of

00:01:11

force lowering force on the floor or at

00:01:14

least 12 kilograms force weight of the

00:01:16

pantograph without insulators two hundred and

00:01:18

ninety kilograms passive pressing on the

00:01:21

contact wire no more than nine

00:01:23

kilograms of force; the base is welded from two

00:01:25

longitudinal and two transverse channels;

00:01:27

it is mounted on the roof of the

00:01:29

electric locomotive body on four support

00:01:31

insulators; the lower frame consists of two

00:01:34

main shafts in the form of pipes; the axles of which are

00:01:36

fixed in ball bearings of the

00:01:37

longitudinal channels of the base; the main

00:01:40

shaft and connected to each other by a

00:01:42

synchronizing rod which

00:01:44

ensures their simultaneous rotation and

00:01:46

synchronous rotation of each main

00:01:48

shaft in the middle part, a

00:01:51

T-shaped cylindrical pipe is rigidly attached to the end of

00:01:53

which a short tube is welded for

00:01:55

fastening with the pipes of the upper frame; the

00:01:57

upper frame consists of four

00:01:59

longitudinal and 2 diagonal pipes for the

00:02:02

rigidity of the structure, the pipes of the upper frame

00:02:04

are connected to the pipes of the lower frame and to

00:02:07

each other hingedly by rollers with

00:02:08

ball bearings; all hinges

00:02:10

of the pantograph are shunted by flexible

00:02:12

copper busbars to reduce the

00:02:14

current resistance and to prevent

00:02:17

it from not being hinged from the arc; the carriage, two

00:02:20

pieces, consists of a number of separate

00:02:22

stamped lightweight parts

00:02:24

hingedly connected to each other with a friend on the

00:02:27

carriage on top there is a hinged

00:02:29

bracket for fastening the runner

00:02:31

and inside the carriage there is a compressed

00:02:33

spring of the carriage that allows the carriage to

00:02:35

turn in both directions and

00:02:37

move up to 50 millimeters without

00:02:39

turning the corpse of the frame; this is necessary to

00:02:41

improve only the removal when moving on

00:02:43

uneven contact lines and also for

00:02:46

quick response to change the height of the

00:02:48

wire suspension, the strips were

00:02:50

stamped from steel 2.5

00:02:52

millimeters thick in the form of a channel; the

00:02:54

ends of the runner are bent at an angle of 45

00:02:57

degrees to prevent it from tangling; the

00:02:59

contact wire on the air

00:03:01

switches on top of the floor is easy; 3

00:03:04

rows of carbon strips are reinforced; 11 carbon

00:03:06

strips with a total length of 1200 millimeters, the

00:03:09

thickness of the new carbon linings is 25

00:03:12

millimeters, their wear is allowed up to a

00:03:14

thickness of 11 millimeters, the continuation of the

00:03:17

carbon linings are aluminum

00:03:19

linings at the ends of the runner, the lift to the

00:03:22

lowering mechanism consists of two

00:03:24

outer stretched lifting springs of a non-

00:03:26

automatic cylinder with two pistons

00:03:28

with rods and two compressed lowering

00:03:31

springs of two transverse ones levers of two

00:03:34

longitudinal rods with rollers at the ends

00:03:36

which are connected through a bracket to the

00:03:38

main shafts at the end of 2 lifting

00:03:40

stretched springs through a washer studs with

00:03:43

left and right threads are

00:03:44

pivotally connected to the levers of the main

00:03:46

shafts which are fixed on top of the main

00:03:49

shafts like clamps using

00:03:51

adjusting bolts to adjust the

00:03:52

arm

00:03:53

operation pantograph for lifting the

00:03:56

pantograph

00:03:57

Figure 29 a compressed air is supplied to its pneumatic

00:04:00

cylinder in the middle with a

00:04:02

pressure of 3.5 to 5 kilograms of

00:04:05

force per centimeter square through an

00:04:08

electro-pneumatic valve and in T-54

00:04:10

then both pistons with rods move apart,

00:04:13

compressing both lowering springs in the cylinder

00:04:16

at this state the pistons turn both

00:04:18

transverse arms outward due to which the

00:04:21

longitudinal rods move to the middle and the

00:04:23

rollers at their ends move away from the

00:04:26

brackets of the two main shafts,

00:04:27

unlocking them as a result, the

00:04:31

two outer stretched springs are released,

00:04:33

which are compressed and rotated through the

00:04:35

levers of both main hairs by the pipes of the lower

00:04:37

upper frames inward,

00:04:38

which leads to the lifting of the skid of only the

00:04:40

receiver until it stops against the contact wire

00:04:42

to lower the pantograph, the coil of its

00:04:45

electro-pneumatic valve loses

00:04:47

power and air is released from the

00:04:50

pneumatic cylinder into the atmosphere,

00:04:52

then escape and the lowering springs in the

00:04:55

cylinder are pressed and move both

00:04:57

pistons with rods to the middle of the cylinder,

00:04:59

figure 29b in this case, both transverse

00:05:02

arms turn inward due to the rod in the pistons

00:05:05

oobi the longitudinal rods move outward

00:05:08

from the middle; the rollers at the ends of the longitudinal

00:05:10

rods pass through the gaps and press the

00:05:13

brackets on top of the main shafts and

00:05:15

rotate both main shafts outward

00:05:17

along with the pipes of the lower and upper frames,

00:05:20

while the runner The pantograph is lowered

00:05:22

onto the shock absorbers of the base since the force of 2

00:05:25

lowering springs plus the weight of the runner

00:05:27

and moving parts of the pantograph is greater than the

00:05:30

force of 2 lifting springs by at least

00:05:32

12 kilograms. This force is the

00:05:35

lowering force of the pantograph; the

00:05:37

lowering of the pantograph occurs

00:05:39

unevenly;

00:05:40

at first, the skid is quickly pulled away

00:05:43

in order to break the arc a then a smooth

00:05:45

lowering on the shock absorbers to avoid

00:05:47

shock;

00:05:48

such unevenness is achieved by

00:05:50

adjusting the electro-pneumatic

00:05:52

valve of only the receiver and in T-54

00:05:55

technical maintenance to-2,

00:05:57

view the log form tol 152 for

00:06:00

any comments on the operation of only the

00:06:01

receivers from the last

00:06:03

maintenance or routine repair;

00:06:05

existing comments; eliminate

00:06:08

contaminated ones clean parts of pantographs with

00:06:10

technical wipes

00:06:12

soaked in aviation kerosene

00:06:14

in winter, clear the frame and palace of the

00:06:16

pantograph from snow and ice,

00:06:18

make sure there is no mechanical

00:06:20

damage to the runners, the carriage of the crane and the

00:06:23

synchronizing rods of the pantographs,

00:06:25

check the smooth operation of the moving

00:06:27

parts when lifting and lowering,

00:06:29

make sure there are no distortions or

00:06:31

jams in the hinge joints

00:06:33

check the reliability of fastening of the

00:06:35

supply busbars flexible shunts carbon

00:06:38

inserts inspect the frames of the receiver only

00:06:40

check the smooth operation of only the

00:06:42

receivers manually or when lifting up

00:06:44

scania make sure there are no distortions

00:06:46

and jams in the hinge joints

00:06:49

lubricate the hinge joint the

00:06:52

presence of bodies with

00:06:54

deformations or dents more than

00:06:55

five millimeters deep cracks in length are not allowed more than 10

00:06:58

millimeters burns

00:06:59

inspect poses if necessary

00:07:02

eliminate traces of coal

00:07:04

deposits preppy dexterous until smoothly

00:07:05

mating with the rest of the contact

00:07:07

surface the distance from the

00:07:09

frame elements securing the coal insert to the

00:07:12

friction surface should be at least

00:07:13

one millimeter in summer 2 millimeters in

00:07:16

winter 3 millimeters in case of ice the gap

00:07:18

between the coal inserts should be no

00:07:20

more than 0.8 millimeters on the inserts; sometimes, most

00:07:24

often in winter,

00:07:27

local wear occurs and so-called cuts; the

00:07:29

cut should be filed in a timely manner

00:07:32

at an angle of no more than 20 degrees

00:07:34

horizontally,

00:07:35

preventing it from further deepening along the

00:07:37

route of the electric locomotive;

00:07:39

no more than two cracks per one are allowed

00:07:41

headquarters and to school no more than 50 percent of

00:07:44

its width and 20 percent of its height if the

00:07:47

fastening of the insert is not loosened,

00:07:49

replace pauses with worn carbon

00:07:51

inserts

00:07:52

check the reliability of fastening the

00:07:54

pantograph to the supporting connection

00:07:56

fastening integrity of the shunts and parts of the

00:07:58

pantograph drive criteria for a

00:08:00

faulty condition

00:08:02

loosening absence of fastening bolts

00:08:05

damage or breakage of shunt cores more than

00:08:08

15 percent of the cross-sectional area melting

00:08:11

or heating environment of the shunts damage to the

00:08:13

glaze skull cracks more than 15 percent of

00:08:16

the path of possible electric

00:08:18

arc blocking of the supporting insulators contamination of the

00:08:21

insulators when loosened tighten the missing bolts and nuts

00:08:23

install again

00:08:26

faulty shunts insulators replace in

00:08:30

winter operating conditions as well as in summer

00:08:32

time when changing skids or according to

00:08:34

comments to the rear 152 check the

00:08:36

static characteristics of the

00:08:37

pantographs time of raising and lowering

00:08:39

after the end of this 2 under the contact

00:08:42

wire, you should check the rise and

00:08:44

lowering of each pantograph when

00:08:47

operating the electric locomotive from both

00:08:49

driver's cabins, the pantographs should smoothly

00:08:51

reach the contact wire when

00:08:53

lifting, break away sharply from when lowering it

00:08:56

and sits down smoothly without impacts

00:09:07

during routine repairs, all the

00:09:09

work provided for on T2 is performed,

00:09:11

as well as the following work: clean

00:09:14

all

00:09:16

insulating surfaces of insulators and compressed

00:09:18

air supply

00:09:20

hoses from dust, insulators with cracks, chips and

00:09:22

damage to the glaze over 15 percent of the

00:09:25

possible path overvoltage,

00:09:27

replace pantographs, check for

00:09:29

lifting and lowering to identify

00:09:31

jamming in hinge joints,

00:09:33

inspect flexible joints, hinge

00:09:35

joints, shunts with traces of excessive

00:09:38

heating during melting of solder, faulty

00:09:41

tips, as well as with broken wires

00:09:43

exceeding permissible standards, worn parts,

00:09:45

replace pantograph pipes with dents

00:09:48

more than five millimeters deep,

00:09:50

cracks and prophets are replaced

00:09:52

add lubricant to the hinge joints and

00:09:55

bearing assemblies according to the lubrication chart, make

00:09:57

sure that the

00:09:59

pneumatic drives are working properly, eliminate

00:10:02

air leaks, check the skew of the skid and the

00:10:04

displacement of the center of the skid relative to the

00:10:06

center of the base within the working

00:10:08

height, which should not exceed the values

00:10:10

specified in the tolerances and wear standards,

00:10:12

remove the static characteristic, if

00:10:15

necessary, adjust by pressing the

00:10:17

contact wire, the

00:10:20

lifting of only the receiver is checked at a

00:10:21

compressed air pressure of 3.5 kilograms of force per

00:10:24

centimeter square,

00:10:25

as well as the auxiliary compressor, the

00:10:27

polyethylene sleeve is replaced when kinks of cuts are

00:10:29

detected when

00:10:31

installing in tension, and also with the expiration of

00:10:33

the test period, it is prohibited to wipe the

00:10:36

polyethylene sleeves with using

00:10:38

gasoline, kerosene and oil, it is not allowed to

00:10:40

paint the surface of the hose with oil

00:10:42

paints, as well as to touch the hose with the roof of the roof of the Vova

00:10:45

equipment during inspection, the hinge

00:10:47

joints are disassembled, the

00:10:48

shafts of the bushing axle, if they are worn beyond the

00:10:51

norm, they are replaced in the parts; they are cleaned of

00:10:54

thickened lubricants; they are

00:10:55

washed with gasoline; the hinges are lubricated

00:10:58

during the icy period;

00:11:00

lubricant with it to z with a layer

00:11:02

one or two millimeters thick but

00:11:04

pre-wiped dry moving

00:11:06

frames the side surfaces of the

00:11:07

pantograph runners the lifting springs are not

00:11:10

covered with casings the

00:11:12

lubricant flow per pantograph

00:11:13

is 200-300 grams and the application of

00:11:16

lubricant with it casino pantographs

00:11:18

is an entry in the technical

00:11:20

condition log of the locomotive form you at 152

00:11:23

indicating the dates and times and points where the

00:11:25

lubricant was applied

00:11:26

10 days after applying the lubricant with

00:11:28

it, in case

00:11:29

it is removed since the effectiveness of its

00:11:31

action is reduced, including due to

00:11:33

contamination, the parts of the pantographs on

00:11:36

which the lubricant was located are

00:11:38

wiped dry at the next

00:11:40

weather report the possibility of ice formation

00:11:42

lubricant with it case is again applied to the

00:11:45

pantographs indicated hover

00:11:50

static characteristic this is on

00:11:52

I will put a stationary receiver only

00:11:54

on the contact wire within the working

00:11:56

height when raising and lowering

00:11:57

the pantograph is created by lifting

00:11:59

springs check sequence

00:12:02

supply compressed air to the

00:12:04

pneumatic drive cylinder while only

00:12:06

the receiver will rise, secure the dynamometer

00:12:09

skis of the pantograph, tests to

00:12:12

determine static pressure

00:12:13

can be carried out with manual smooth

00:12:16

movement of the moving parts of

00:12:17

the pantograph at a speed that

00:12:18

allows for visual

00:12:20

recording of the dynamometer readings

00:12:22

when measuring passive pressing, it is necessary to

00:12:24

smoothly

00:12:25

lower such a receiver without jerking, while monitoring the

00:12:28

readings of the dynamometer every

00:12:30

100-150 millimeters in the range working

00:12:32

height 1900 millimeters to 400

00:12:35

millimeters when measuring active pressing,

00:12:37

one should also smoothly, without acceleration jerks,

00:12:39

holding back the pantograph and

00:12:42

allowing it to rise to the maximum

00:12:43

height,

00:12:44

continuing to monitor the

00:12:45

dynamometer readings every 100 to 150

00:12:47

millimeters, improving the static

00:12:50

characteristics and bringing it to the required

00:12:52

parameters is achieved by eliminating

00:12:54

jams in the hinges change or

00:12:55

by adding lubricant,

00:12:56

but the main adjustment of the pressure of the skid

00:12:58

on the contact wire is carried out

00:13:00

by changing the tension of the lifting springs and the

00:13:02

geometry of their installation, if the

00:13:05

static characteristic deviates from the norm, the pantograph

00:13:07

should be raised to

00:13:08

the highest working height, for which

00:13:10

compressed air is supplied to the

00:13:12

pneumatic drive cylinder, then the tension of the

00:13:14

lifting springs is changed by moving them together

00:13:17

with the holder along the threads of the adjusting

00:13:19

pins, an increase in the tension of the lifting

00:13:22

spring results in an

00:13:23

increase in pressing throughout the entire range of

00:13:25

heights and a decrease in the initial tension of the

00:13:28

lifting spring reduces pressing throughout the entire

00:13:30

range

00:13:31

with a fixed difference between the

00:13:32

largest and smallest pressing during

00:13:35

one-way movement of the pantograph in the

00:13:37

range of operating heights exceeding the

00:13:39

permissible adjustment is made

00:13:41

by means of adjusting bolts

00:13:42

were driven by the static characteristics all

00:13:45

four bolts should be

00:13:46

unscrewed evenly called by the static

00:13:49

characteristics all four bolts should be

00:13:52

grown evenly the measurements of the

00:13:58

lifting and moving part of the pantograph

00:13:59

are made from the moment the runner begins to move

00:14:01

from the coordinated position until

00:14:04

it rises to the highest working height

00:14:05

at the rated compressed air pressure the

00:14:08

smooth lifting of the pantograph should

00:14:10

slow down somewhat in the area of approach to the

00:14:12

contact wire so that there is no

00:14:14

impact on the contact wire; the

00:14:16

time measurement of the lowering of the moving

00:14:18

part of the pantograph is carried out from the

00:14:20

moment the runner begins to move from

00:14:22

the highest working height to the complex

00:14:24

position of the pantograph; when turned off,

00:14:27

quickly starting to lower, only the receiver

00:14:29

should smoothly slow down when

00:14:31

approaching the stops

00:14:32

and sits on shock absorbers without shocks

Description:

Технология сервисного обслуживания токоприемников локомотивов типа Л13У1 в объеме ТО-2

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