CN220924123U - High-precision limit detection vehicle convenient to pull - Google Patents
High-precision limit detection vehicle convenient to pull Download PDFInfo
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- CN220924123U CN220924123U CN202322647434.8U CN202322647434U CN220924123U CN 220924123 U CN220924123 U CN 220924123U CN 202322647434 U CN202322647434 U CN 202322647434U CN 220924123 U CN220924123 U CN 220924123U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision limit detection vehicle convenient to pull, which belongs to the technical field of detection equipment and comprises a vehicle body arranged on a track, wherein a limit device is fixedly arranged at the top of the vehicle body, a traction mechanism is fixedly arranged on the side wall of the vehicle body, a transmission mechanism and a limit mechanism are arranged at the bottom of the vehicle body, the limit mechanism is positioned above the track, the traction mechanism is connected with the limit mechanism through the transmission mechanism, and when the traction mechanism is stressed, the limit mechanism is matched with the track to limit the vehicle body. The limiting device is arranged at the bottom of the vehicle body, and part of traction power of the tractor is used for driving the limiting device to move by utilizing the mutual matching of the gear and the rack so as to limit the vehicle body, so that the vehicle body is prevented from shaking left and right when being dragged and moved, and the accuracy of a measurement result is improved; the moving distance of the sliding block is enlarged through the step gear, and the limit of the vehicle body can be ensured by being matched with the track.
Description
Technical Field
The utility model belongs to the technical field of detection equipment, and particularly relates to a high-precision limit detection vehicle convenient to pull.
Background
Along with the development of urban construction, the requirement on traffic volume is gradually increased, and subways are used and developed in various cities as efficient, safe and environment-friendly traffic tools. The subway limit detection is a first defense line for ensuring that the subway vehicle can normally and safely run, and before each subway line runs, the subway limit needs to be detected, so that the subway line equipment or buildings are ensured not to be invaded, and the lines meet the requirement of safe driving.
Railway restrictions are contour lines which are not surmountable on the lines between buildings, equipment and rolling stock, which are provided for the purpose of ensuring the safety of transportation. Before the cold and hot slide test of the train, the limit detection is required to be carried out on the whole rail transit line so as to ensure that the building limit and the equipment limit are not invaded into the vehicle limit and ensure the safety of the cold and hot slide test and the later operation of the train.
The existing limit detection device is large in size and needs to be installed on a railway car and is pulled by a tractor, the railway car can finish limit detection when being pulled to move, but because of gaps between wheels of the railway car and a rail, the railway car can slightly shake when moving, and the result of limit detection is inaccurate due to shaking, particularly when the limit detection is performed on a platform, if the detection result is inaccurate, the train is scratched with the platform when entering the station, so that the train and the platform are damaged in double pairs, and economic loss is caused.
It is therefore desirable to design a high accuracy limit detection vehicle that facilitates traction to address these issues.
Disclosure of utility model
The utility model aims to provide a high-precision limit detection vehicle convenient to pull.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a high accuracy limit detects car convenient to pull, includes the automobile body of setting on the track, the fixed limit device that is provided with in automobile body top, fixedly be provided with drive mechanism on the lateral wall of automobile body, the automobile body bottom is provided with drive mechanism and stop gear, stop gear is located the track top, just drive mechanism with stop gear passes through drive mechanism links to each other, works as when drive mechanism atress, stop gear with the track mutually support and just the automobile body is spacing.
Preferably, the traction mechanism comprises a mounting seat, a traction hook, a connecting bolt and a spring, wherein the mounting seat is fixedly connected with the vehicle body, a shank of the traction hook is slidably inserted into the mounting seat, the spring and the connecting bolt are sleeved on the shank of the traction hook, the connecting bolt is matched with the shank of the traction hook through threads, one end of the spring is in contact with the mounting seat, and the other end of the spring is in contact with the connecting bolt.
By means of the arrangement, the traction hook can slide in the mounting seat when traction force is applied to the traction hook by the traction vehicle, and the traction hook can automatically reset after traction force is removed. .
Preferably, the transmission mechanism comprises a pull rod, a linkage rod, a driving rack, a step gear and a driven rack, one end of the pull rod is connected with a shank of the traction hook, the other end of the pull rod is fixedly connected with the linkage rod, the driving rack is fixedly arranged on the linkage rod, the driven rack is fixedly arranged on the limiting mechanism, the step gear is rotatably arranged on the vehicle body, a large gear on the step gear is meshed with the driven rack, and a small gear on the step gear is meshed with the driving rack.
By the arrangement, the small displacement generated when the traction hook slides can be amplified through the step gears with gears of different diameters and then transmitted to the limiting mechanism.
Preferably, the limiting mechanism comprises a sliding frame fixedly arranged at the bottom of the vehicle body, a sliding block is arranged in the sliding frame in a sliding mode, the driven rack is fixedly arranged on the sliding block, a limiting groove is fixedly formed in the bottom of the sliding block, a roller is rotatably arranged in the limiting groove, and when the sliding block stretches out of the sliding frame, the rail is clamped into the limiting groove and is in contact with the roller.
So set up, can carry out spacingly to the automobile body through making the mutually supporting of slider and track.
Preferably, the vehicle body is rotatably provided with a plurality of wheels, and the vehicle body is arranged on the track through a plurality of wheels.
So set up, the automobile body of being convenient for removes along the track.
Preferably, the bottom of the vehicle body is fixedly provided with a plurality of fixing frames, and the driving rack is slidably arranged on the fixing frames.
The driving rack can be limited by the arrangement, and the driving rack is ensured to be always meshed with the step gear when sliding.
Preferably, a guide groove is formed in the sliding frame, a guide block is fixedly arranged on the sliding block, and the guide block is located in the guide groove.
In this way, the sliding direction of the slider can be defined.
Preferably, the limit groove is of an inverted V shape, and the number of the rollers is two.
So set up, can ensure that the track is located the middle part of spacing groove, two gyro wheels can reduce the friction between spacing groove and the track, extension equipment life.
The utility model has the advantages and positive effects that:
1. according to the utility model, the limiting device is arranged at the bottom of the vehicle body, and the limiting device is driven to move by utilizing the mutual matching of the gear and the rack and utilizing part of traction power of the tractor to limit the vehicle body, so that the vehicle body is prevented from shaking left and right when being pulled and moved, and the accuracy of a measurement result is improved.
2. The utility model is matched with each other through the traction device, the driving rack, the driven rack and the step gear. The traction device is used for sliding the traction hook on the mounting seat to drive the driving rack to move, and the moving distance of the driving rack is amplified through the meshed step gear and then is transmitted to the driven rack, so that the moving distance of the sliding block is increased, and the limit of the vehicle body through the cooperation of the sliding block and the track is ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic longitudinal cross-sectional view of the underbody structure of the present utility model;
FIG. 3 is a schematic view of the structure of the slider and the limiting groove and the roller of the present utility model;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 2;
fig. 6 is an enlarged view of the structure at C in fig. 2.
The reference numerals are explained as follows:
1. a vehicle body; 2. a limiting device; 3. a traction mechanism; 301. a mounting base; 302. a traction hook; 303. a connecting bolt; 304. a spring; 6. a pull rod; 7. a drive rack; 8. a step gear; 9. a slide block; 10. a limit groove; 11. a roller; 12. a carriage; 13. a guide groove; 14. a guide block; 15. a driven rack; 16. a wheel; 17. a fixing frame; 18. a track; 19. and a linkage rod.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 in a specific case.
The utility model is further described below with reference to the accompanying drawings:
Example 1: as shown in fig. 1-6, a high-precision limit detection vehicle convenient to pull comprises a vehicle body 1 arranged on a track 18, wherein a limit device 2 is fixedly arranged at the top of the vehicle body 1, a traction mechanism 3 is fixedly arranged on the side wall of the vehicle body 1, a transmission mechanism and a limit mechanism are arranged at the bottom of the vehicle body 1, the limit mechanism is positioned above the track 18, the traction mechanism 3 is connected with the limit mechanism through the transmission mechanism, and when the traction mechanism 3 is stressed, the limit mechanism is mutually matched with the track 18 to limit the vehicle body 1.
As shown in fig. 5, the traction mechanism 3 includes a mounting seat 301, a traction hook 302, a connecting bolt 303 and a spring 304, the mounting seat 301 is fixedly connected with the vehicle body 1, a shank of the traction hook 302 is slidably inserted into the mounting seat 301, the spring 304 and the connecting bolt 303 are both sleeved on the shank of the traction hook 302, the connecting bolt 303 is matched with the shank of the traction hook 302 through threads, one end of the spring 304 is in contact with the mounting seat 301, and the other end is in contact with the connecting bolt 303, so that the traction hook 302 can slide in the mounting seat 301 when traction is applied to the traction hook 302 by a tractor, and the traction hook 302 can automatically reset after the traction is withdrawn. .
As shown in fig. 2 and 6, the transmission mechanism includes a pull rod 6, a linkage rod 19, a driving rack 7, a step gear 8 and a driven rack 15, one end of the pull rod 6 is connected with a shank of a towing hook 302, the other end is fixedly connected with the linkage rod 19, the driving rack 7 is fixedly arranged on the linkage rod 19, the driven rack 15 is fixedly arranged on a limiting mechanism, the step gear 8 is rotatably arranged on the vehicle body 1, a large gear on the step gear 8 is meshed with the driven rack 15, a small gear on the step gear 8 is meshed with the driving rack 7, and thus, the small displacement generated when the towing hook 302 slides can be amplified through the step gear 8 with different diameter gears and then transmitted to the limiting mechanism.
As shown in fig. 3 and 4, the limiting mechanism comprises a sliding frame 12 fixedly installed at the bottom of the vehicle body 1, a sliding block 9 is slidably arranged in the sliding frame 12, a driven rack 15 is fixedly installed on the sliding block 9, a limiting groove 10 is fixedly arranged at the bottom of the sliding block 9, a roller 11 is rotatably installed in the limiting groove 10, when the sliding block 9 stretches out of the sliding frame 12, a rail 18 is clamped into the limiting groove 10 and is in contact with the roller 11, and the vehicle body 1 can be limited by means of mutual matching of the sliding block 9 and the rail 18.
Specifically, the vehicle body 1 is rotatably provided with a plurality of wheels 16, and the vehicle body 1 is arranged on the rail 18 through the plurality of wheels 16, so that the vehicle body 1 can conveniently move along the rail 18.
Specifically, the bottom of the vehicle body 1 is fixedly provided with a plurality of fixing frames 17, the driving rack 7 is slidably mounted on the fixing frames 17, and the driving rack 7 can be limited by the fixing frames, so that the driving rack 7 is ensured to be always meshed with the step gear 8 during sliding
Specifically, the sliding frame 12 is provided with a guide groove 13, the sliding block 9 is fixedly provided with a guide block 14, and the guide block 14 is positioned in the guide groove 13, so that the sliding direction of the sliding block 9 can be limited.
Specifically, the spacing groove 10 is the type of falling V, so the setting can ensure that track 18 is located the middle part of spacing groove 10, and the quantity of gyro wheel 11 is two, can reduce the friction between spacing groove 10 and the track 18 through two gyro wheels 11, extension equipment life.
The working procedure of this embodiment is: the spring 304 in the traction device is in a micro-compression state before use, at the moment, the pull rod 6 pulls the driving rack 7 through the linkage rod 19, the step gear 8 is driven to rotate through the driving rack 7, and after the step gear 8 rotates, the driven rack 15 drives the sliding block 9 to move upwards along the sliding frame 12 and contact with the bottom of the vehicle body 1.
When the tractor is used, the hook head of the traction hook 302 is connected with the tractor, when the tractor starts to move, the traction hook 302 is driven to move, when the traction hook 302 moves, the spring 304 is compressed through the connecting bolt 303, and meanwhile, the pull rod 6 and the linkage rod 19 are driven to move. The driving rack 7 is driven to move after the linkage rod 19 moves, the driving rack 7 drives the pinion on the step gear 8 to rotate after moving, the large gear rotates simultaneously when the pinion on the step gear 8 rotates, the engaged driven rack 15 is driven to move, the driven rack 15 drives the sliding block 9 to slide along the sliding frame 12 until the limiting groove 10 on the sliding block 9 clamps the groove rail 18, meanwhile, two rollers 11 in the limiting groove 10 are in contact with the rail 18, at the moment, the sliding block 9 does not slide, meanwhile, the gear rack driver does not move, the vehicle body 1 starts to move under the dragging of the transfer vehicle, and the limiting detection is carried out through the limiting device 2 on the vehicle body 1.
After the use, the traction hook 302 is separated from the tractor, at the moment, the spring 304 stretches, the traction hook 302 is driven to move through the connecting bolt 303, meanwhile, the pull rod 6 is pushed to move reversely, the pull rod 6 moves reversely and then drives the driving rack 7 to move reversely, the driving rack 7 which moves reversely drives the step gear 8 to rotate reversely, the step gear 8 which rotates reversely also drives the driven rack 15 to move reversely, and the driven rack 15 moves reversely and then drives the sliding block 9 to slide into the sliding frame 12 until the sliding block is stopped after the sliding block slides to the limit position of the sliding frame 12.
In this embodiment, it should be noted that the maximum elastic force of the spring 304 does not exceed the gravity of the vehicle body 1, and the limit groove 10 is set to be inverted V-shaped, so that the track 18 is located in the middle of the limit groove 10, and the roller 11 in the limit groove 10 rotates when the vehicle body 1 moves, so that the friction force can be reduced, and the service life of the component can be prolonged.
The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. The utility model provides a high accuracy limit detects car convenient to pull, includes automobile body (1) of setting on track (18), its characterized in that: the utility model discloses a car body, including automobile body (1), fixed limiting device (2) that is provided with in automobile body (1) top, fixed traction mechanism (3) that is provided with on the lateral wall of automobile body (1), automobile body (1) bottom is provided with drive mechanism and stop gear, stop gear is located track (18) top, just traction mechanism (3) with stop gear passes through drive mechanism links to each other, works as when traction mechanism (3) atress, stop gear with track (18) mutually support and just automobile body (1) are spacing.
2. A traction facilitating high precision limit detection vehicle as defined in claim 1, wherein: traction mechanism (3) are including mount pad (301), draw hook (302), connecting bolt (303) and spring (304), mount pad (301) with automobile body (1) fixed connection, draw the shank slip of hook (302) to insert in mount pad (301), spring (304) with connecting bolt (303) all suit is in draw on the shank of hook (302), just connecting bolt (303) mutually support through the screw thread with the shank of draw hook (302), one end of spring (304) with mount pad (301) contact, and the other end with connecting bolt (303) contact.
3. A traction facilitating high precision limit detection vehicle as defined in claim 2, wherein: the transmission mechanism comprises a pull rod (6), a linkage rod (19), a driving rack (7), a step gear (8) and a driven rack (15), one end of the pull rod (6) is connected with a hook handle of a traction hook (302), the other end of the pull rod is fixedly connected with the linkage rod (19), the driving rack (7) is fixedly arranged on the linkage rod (19), the driven rack (15) is fixedly arranged on the limiting mechanism, the step gear (8) is rotatably arranged on the vehicle body (1), a large gear on the step gear (8) is meshed with the driven rack (15), and a small gear on the step gear (8) is meshed with the driving rack (7).
4. A traction facilitating high precision limit detection vehicle as defined in claim 3, wherein: the limiting mechanism comprises a sliding frame (12) fixedly mounted at the bottom of the vehicle body (1), a sliding block (9) is arranged in the sliding frame (12), a driven rack (15) is fixedly mounted on the sliding block (9), a limiting groove (10) is fixedly formed in the bottom of the sliding block (9), a roller (11) is rotatably mounted in the limiting groove (10), and when the sliding block (9) stretches out of the sliding frame (12), the rail (18) is clamped into the limiting groove (10) and is in contact with the roller (11).
5. A traction facilitating high precision limit detection vehicle as defined in claim 1, wherein: the vehicle body (1) is rotatably provided with a plurality of wheels (16), and the vehicle body (1) is arranged on the track (18) through the plurality of wheels (16).
6. A traction facilitating high precision limit detection vehicle as defined in claim 3, wherein: the bottom of the car body (1) is fixedly provided with a plurality of fixing frames (17), and the driving rack (7) is slidably arranged on the fixing frames (17).
7. A traction facilitating high precision limit detection vehicle as defined in claim 4, wherein: the sliding frame (12) is provided with a guide groove (13), the sliding block (9) is fixedly provided with a guide block (14), and the guide block (14) is positioned in the guide groove (13).
8. A traction facilitating high precision limit detection vehicle as defined in claim 4, wherein: the limiting grooves (10) are of an inverted V shape, and the number of the rollers (11) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647434.8U CN220924123U (en) | 2023-09-28 | 2023-09-28 | High-precision limit detection vehicle convenient to pull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647434.8U CN220924123U (en) | 2023-09-28 | 2023-09-28 | High-precision limit detection vehicle convenient to pull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220924123U true CN220924123U (en) | 2024-05-10 |
Family
ID=90969263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322647434.8U Active CN220924123U (en) | 2023-09-28 | 2023-09-28 | High-precision limit detection vehicle convenient to pull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220924123U (en) |
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2023
- 2023-09-28 CN CN202322647434.8U patent/CN220924123U/en active Active
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