CN218992101U

CN218992101U - Motor train unit pantograph carbon slide bar abrasion detection device

Info

Publication number: CN218992101U
Application number: CN202223461406.9U
Authority: CN
Inventors: 张露
Original assignee: JILIN RAILWAY TECHNOLOGY COLLEGE
Current assignee: JILIN RAILWAY TECHNOLOGY COLLEGE
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-09
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of pantograph carbon slide plates, and discloses a pantograph carbon slide bar abrasion detection device of a motor train unit, which comprises a main scale, wherein a vernier scale is sleeved on the surface of the main scale, one side of the main scale is fixedly connected with a depth scale, the top of the vernier scale is in threaded connection with a fixing screw matched with the main scale for use, the top of the fixing screw is provided with a protection mechanism, and a positioning mechanism is arranged in the protection mechanism; the protection mechanism comprises a protection cover, and the top of the protection cover is fixedly connected with an anti-falling rope. This EMUs pantograph carbon slide abrasion detection device has solved among the slide caliper and has been used for carrying out the set screw that fixes a position main scale and vernier scale and have not safeguard function, and set screw surface exposes in the air for a long time and leads to the screw wearing and tearing easily to make set screw lose the function to main scale and vernier scale location, and then lead to slide caliper unable use, reduced its user life's problem.

Description

Motor train unit pantograph carbon slide bar abrasion detection device

Technical Field

The utility model relates to the technical field of pantograph carbon slide plates, in particular to a device for detecting abrasion of a carbon slide bar of a pantograph of a motor train unit.

Background

The utility model discloses a pantograph carbon slide is the important current-carrying part of subway EMUs and positive line contact net direct contact, installs in the top of pantograph, is usually by graphite preparation, chinese patent discloses a EMUs pantograph carbon slide strip wearing and tearing detection device, and the publication number is: CN212458318U, including dysmorphism support, high size collection module casing, control circuit, signal conversion module, data processing module, alarm circuit, central casing, battery case, the mouth that charges, LCD display screen, function key group, man-machine interaction panel, gather the high size of whole carbon slide all positions, automatically computing carbon slide minimum and two carbon slide height differences around, thereby obtain the wearing and tearing condition of carbon slide and automatically judge whether this carbon slide is qualified, through retrieving, above-mentioned is the case that is comparatively close to prior art.

However, long-time use can lead to the abrasion of the pantograph carbon slide plate of the motor train unit, in order to ensure the safety of the motor train unit during running, a user needs to use a vernier caliper to measure the abrasion of the pantograph carbon slide plate, so that the carbon slide plate of the pantograph with unqualified detection part is replaced, and the problems in the prior art are that: the fixing screw used for positioning the main scale and the vernier does not have a protection function, and the surface of the fixing screw is exposed in the air for a long time to easily cause thread abrasion, so that the fixing screw loses the function of positioning the main scale and the vernier, and the vernier cannot be used, and the service life of a user is reduced.

In order to solve the problems, an improvement is made, and a device for detecting carbon slide abrasion of a pantograph of a motor train unit is provided.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a motor train unit pantograph carbon slide abrasion detection device, includes the main scale, the surface cover of main scale is equipped with the vernier scale, one side fixedly connected with depth scale of main scale, the top threaded connection of vernier scale has the set screw that uses with the main scale cooperation, set screw's top is provided with protection machanism, protection machanism's inside is provided with positioning mechanism;

the protection mechanism comprises a protection cover, the top of the protection cover is fixedly connected with an anti-falling rope, one end of the anti-falling rope, which is far away from the protection cover, is fixedly connected with the top of the vernier scale, one side of the protection cover is fixedly connected with a dovetail block, the other side of the protection cover is fixedly connected with a shell, and the positioning mechanism is positioned in the shell;

the positioning mechanism comprises a sliding rod, the sliding rod is located inside the shell, the sliding sleeve is sleeved on the surface of the sliding rod, the number of the sliding sleeves is two, two ends of the sliding rod are fixedly connected with the inner wall of the shell, one side, away from each other, of the two sliding sleeves is fixedly connected with a positioning rod, and one end, away from the sliding sleeve, of the positioning rod penetrates through the outer side of the shell.

Preferably, the surface cover of set screw is equipped with the sealing ring, the bottom of sealing ring and the top fixed connection of vernier, the inner wall fixedly connected with sealing washer of protective cover, the sealing washer uses with the sealing ring cooperation.

Preferably, a sliding hole is formed in one side of the sliding sleeve, and the sliding hole is matched with the sliding rod for use.

Preferably, control blocks are arranged on two sides of the shell, a control rod is fixedly connected to one side, close to the shell, of the control block, and one end, close to the shell, of the control rod penetrates through the inside of the shell and is fixedly connected with the surface of the sliding sleeve.

Through setting up control block and control lever, can be through promoting the control block, control block drive control lever, sliding sleeve and locating lever to being close to one side removal of spring, make the locating lever leave the locating hole inside to open the protective cover, thereby use set screw to fix a position vernier and main scale.

Preferably, the top fixedly connected with cooperation piece of vernier scale, the dovetail that uses with the cooperation of dovetail is seted up at the top of cooperation piece.

Preferably, a U-shaped clamping block is arranged on one side of the shell, and a positioning hole matched with the positioning rod is formed in the inner wall of the U-shaped clamping block.

Through setting up U type fixture block and locating hole, can make the locating lever get into the inside of constant head tank through the elasticity that the spring produced to the position of restriction casing and protective cover makes the protective cover can protect set screw.

Preferably, the surface of the sliding rod is sleeved with a spring, and one side of the two sliding sleeves, which is close to the spring, is fixedly connected with two ends of the spring respectively.

Compared with the prior art, the utility model has the following beneficial effects:

according to the vernier caliper, the protection mechanism is arranged, the control block can be pushed to one side close to the shell, the control block drives the control rod, the sliding sleeve and the positioning rod to move to one side close to the spring, then the positioning rod is retracted into the shell, the positions of the dovetail block and the dovetail groove are aligned, the protection cover is clamped at the top of the vernier caliper, the fixing screw is protected, meanwhile, the dovetail block enters the dovetail groove, then the control block is loosened, the elastic force generated by the spring pushes the sliding sleeve and the positioning rod to move to one side far from the spring, and the positioning rod enters the positioning groove, so that the limitation of the protection cover is achieved, and the problem that the fixing screw for positioning the main scale and the vernier caliper does not have a protection function in the vernier caliper is solved.

According to the utility model, the sealing ring and the sealing ring are arranged, so that the protective cover is clamped at the top of the vernier at the position of aligning the dovetail block with the dovetail groove, the fixed screw is protected, the dovetail block enters the inside of the dovetail groove, and the outer surface of the sealing ring contacts with the inner wall of the sealing ring at the moment to form a closed space, so that the problem that the surface of the fixed screw is exposed in the air for a long time to easily cause thread abrasion, so that the fixed screw loses the function of positioning the main scale and the vernier, the vernier caliper cannot be used, and the service life of the vernier caliper is reduced is solved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a perspective view of a U-shaped latch according to the present utility model;

FIG. 4 is a cross-sectional perspective view of the present utility model from above;

FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 4;

fig. 6 is a perspective view of the positioning mechanism of the present utility model.

Wherein: 1. a main scale; 2. vernier scale; 3. a depth gauge; 4. a fixing screw; 5. a protective mechanism; 501. a protective cover; 502. anti-rope-falling; 503. dovetail blocks; 504. a housing; 6. a positioning mechanism; 601. a slide bar; 602. a sliding sleeve; 603. a positioning rod; 7. a seal ring; 8. a seal ring; 9. a sliding hole; 10. a control block; 11. a control lever; 12. a mating block; 13. a dovetail groove; 14. a U-shaped clamping block; 15. positioning holes; 16. and (3) a spring.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-6, a device for detecting abrasion of a carbon slide bar of a pantograph of a motor train unit comprises a main scale 1, wherein a vernier scale 2 is sleeved on the surface of the main scale 1, one side of the main scale 1 is fixedly connected with a depth scale 3, the top of the vernier scale 2 is in threaded connection with a fixing screw 4 matched with the main scale 1, the top of the fixing screw 4 is provided with a protection mechanism 5, and a positioning mechanism 6 is arranged in the protection mechanism 5;

the protection mechanism 5 comprises a protection cover 501, the top of the protection cover 501 is fixedly connected with an anti-falling rope 502, one end of the anti-falling rope 502, which is far away from the protection cover 501, is fixedly connected with the top of the vernier 2, one side of the protection cover 501 is fixedly connected with a dovetail block 503, the other side of the protection cover 501 is fixedly connected with a shell 504, and the positioning mechanism 6 is positioned in the shell 504;

the positioning mechanism 6 comprises a sliding rod 601, the sliding rod 601 is positioned in the shell 504, sliding sleeves 602 are sleeved on the surface of the sliding rod 601, two sliding sleeves 602 are fixedly connected with the inner wall of the shell 504, one side, away from each other, of each sliding sleeve 602 is fixedly connected with a positioning rod 603, and one end, away from the sliding sleeve 602, of each positioning rod 603 penetrates through the outer side of the shell 504; through setting up protection machanism 5, can be through pushing control block 10 to the side that is close to casing 504, control block 10 drives control lever 11, sliding sleeve 602 and locating lever 603 to the side that is close to spring 16 removes, afterwards make locating lever 603 retract inside casing 504, afterwards aim at the position of dove tail piece 503 and dovetail 13, with protective cover 501 card at vernier scale 2 top, make it protect set screw 4, simultaneously dove tail piece 503 get into inside dovetail 13, afterwards loosen control block 10, the elasticity that spring 16 produced promotes sliding sleeve 602 and locating lever 603 to the side that is kept away from spring 16 removes, make locating lever 603 get into the constant head tank inside, thereby accomplish the restriction to protective cover 501, the problem that set screw 4 that is arranged in the vernier caliper to carry out the location to main scale 1 and vernier scale 2 does not have the safeguard function has been solved.

Specifically, a sliding hole 9 is formed on one side of the sliding sleeve 602, and the sliding hole 9 is matched with the sliding rod 601.

Through above-mentioned technical scheme, through setting up slide hole 9, can restrict the moving track of sliding sleeve 602 and locating lever 603 through the cooperation between slide hole 9 and the slide bar 601, make it more stable during operation.

Specifically, two sides of the casing 504 are provided with a control block 10, one side of the control block 10 close to the casing 504 is fixedly connected with a control rod 11, and one end of the control rod 11 close to the casing 504 penetrates into the casing 504 and is fixedly connected with the surface of the sliding sleeve 602.

Through above-mentioned technical scheme, through setting up control block 10 and control rod 11, can be through promoting control block 10, control block 10 drives control rod 11, sliding sleeve 602 and locating lever 603 and to being close to the one side removal of spring 16, makes locating lever 603 leave locating hole 15 inside to in order to open protective cover 501, thereby use set screw 4 to fix a position vernier 2 and main scale 1.

Specifically, the top of vernier 2 is fixedly connected with cooperation piece 12, and dovetail 13 that cooperates with dovetail piece 503 to use is seted up at cooperation piece 12's top.

Through above-mentioned technical scheme, through setting up cooperation piece 12 and dovetail 13, can be when the cover 501 card is at set screw 4 top, through the inside of dovetail 13 of dovetail 503 card, avoid cover 501 position to take place to rock.

Specifically, a U-shaped clamping block 14 is disposed on one side of the housing 504, and a positioning hole 15 matched with the positioning rod 603 is formed in the inner wall of the U-shaped clamping block 14.

Through above-mentioned technical scheme, through setting up U type fixture block 14 and locating hole 15, can restrict when protective cover 501 card is at set screw 4 top, peg graft through locating lever 603 and go into locating hole 15 inside to restrict protective cover 501 reciprocates, make it can only be in set screw 4 top because to its protection.

Specifically, by providing the U-shaped clamp block 14 and the positioning hole 15, the positioning rod 603 can enter the positioning groove through the elastic force generated by the spring 16, so that the positions of the housing 504 and the protective cover 501 are limited, and the protective cover 501 can protect the fixing screw 4.

Specifically, the surface of the sliding rod 601 is sleeved with a spring 16, and one side of the two sliding sleeves 602, which is close to the spring 16, is fixedly connected with two ends of the spring 16 respectively.

Through above-mentioned technical scheme, through setting up spring 16, can play a effect that resets to sliding sleeve 602 and locating lever 603, make the inside that locating lever 603 can get into locating hole 15.

Working principle: when the vernier caliper is not in use, the fixing screw 4 needs to be protected, the control block 10 is pushed to one side close to the shell 504, the control block 10 drives the control rod 11, the sliding sleeve 602 and the positioning rod 603 to move to one side close to the spring 16, then the positioning rod 603 is retracted into the shell 504, the positions of the dovetail block 503 and the dovetail groove 13 are aligned, the protection cover 501 is clamped at the top of the vernier caliper 2, the fixing screw 4 is protected, meanwhile, the dovetail block 503 enters the inside of the dovetail groove 13, then the control block 10 is loosened, the elastic force generated by the spring 16 pushes the sliding sleeve 602 and the positioning rod 603 to move to one side far away from the spring 16, and the positioning rod 603 enters the inside of the positioning groove, so that the limitation on the protection cover 501 is completed, the problem that the fixing screw 4 for positioning the main scale 1 and the vernier caliper 2 does not have a protection function in the vernier caliper is solved, meanwhile, the outer surface of the sealing ring 7 is contacted with the inner wall of the sealing ring 8, a closed space is formed, the problem that the surface of the fixing screw 4 is exposed in air for a long time, threads are easy to cause in the air, the fixing screw 4 loses the function of positioning the main scale 1 and the vernier caliper 2, and the service life of the vernier caliper is reduced.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a motor train unit pantograph carbon slide strip wearing and tearing detection device, includes main scale (1), its characterized in that: the surface of the main scale (1) is sleeved with a vernier (2), one side of the main scale (1) is fixedly connected with a depth scale (3), the top of the vernier (2) is in threaded connection with a fixing screw (4) matched with the main scale (1), the top of the fixing screw (4) is provided with a protection mechanism (5), and a positioning mechanism (6) is arranged in the protection mechanism (5);

the protection mechanism (5) comprises a protection cover (501), the top of the protection cover (501) is fixedly connected with an anti-falling rope (502), one end of the anti-falling rope (502) away from the protection cover (501) is fixedly connected with the top of the vernier scale (2), one side of the protection cover (501) is fixedly connected with a dovetail block (503), the other side of the protection cover (501) is fixedly connected with a shell (504), and the positioning mechanism (6) is positioned in the shell (504);

positioning mechanism (6) are including slide bar (601), slide bar (601) are located the inside of casing (504), the surface cover of slide bar (601) is equipped with sliding sleeve (602), the quantity of sliding sleeve (602) is two, the both ends of slide bar (601) all with the inner wall fixed connection of casing (504), the equal fixedly connected with locating lever (603) of one side that two sliding sleeves (602) kept away from each other, the one end that sliding sleeve (602) was kept away from to locating lever (603) runs through to the outside of casing (504).

2. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: the surface cover of set screw (4) is equipped with sealing ring (7), the bottom of sealing ring (7) and the top fixed connection of vernier (2), the inner wall fixedly connected with sealing washer (8) of shield cap (501), sealing washer (8) and sealing ring (7) cooperation use.

3. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: a sliding hole (9) is formed in one side of the sliding sleeve (602), and the sliding hole (9) is matched with the sliding rod (601).

4. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: control blocks (10) are arranged on two sides of the shell (504), a control rod (11) is fixedly connected to one side, close to the shell (504), of the control block (10), and one end, close to the shell (504), of the control rod (11) penetrates through the inside of the shell (504) and is fixedly connected with the surface of the sliding sleeve (602).

5. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: the top fixedly connected with cooperation piece (12) of vernier (2), dovetail (13) that use with dovetail (503) cooperation are seted up at the top of cooperation piece (12).

6. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: one side of the shell (504) is provided with a U-shaped clamping block (14), and the inner wall of the U-shaped clamping block (14) is provided with a positioning hole (15) matched with the positioning rod (603).

7. The device for detecting carbon slide wear of a pantograph of a motor train unit according to claim 1, wherein: the surface of the sliding rod (601) is sleeved with a spring (16), and one sides of the two sliding sleeves (602) close to the spring (16) are fixedly connected with two ends of the spring (16) respectively.