CN114715217A - Detection device for overhauling metro vehicle - Google Patents
Detection device for overhauling metro vehicle Download PDFInfo
- Publication number
- CN114715217A CN114715217A CN202210284741.1A CN202210284741A CN114715217A CN 114715217 A CN114715217 A CN 114715217A CN 202210284741 A CN202210284741 A CN 202210284741A CN 114715217 A CN114715217 A CN 114715217A
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- fixedly connected
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- overhauling
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000000149 penetrating effect Effects 0.000 claims abstract 3
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of vehicle maintenance, and particularly relates to a detection device for metro vehicle maintenance, which comprises a base, wherein a cavity is formed in the base, a first bearing is fixedly connected to the bottom of the inner wall of the cavity, a first rotating shaft is arranged in the first bearing in a penetrating manner, a driving assembly is fixedly connected to the surface of the first rotating shaft, the driving assembly is fixedly connected to the inner wall of the cavity, and a supporting plate is fixedly connected to the top end of the first rotating shaft. The aim of flexibly adjusting the detection angles of the mounting plate and the detector is fulfilled.
Description
Technical Field
The invention belongs to the technical field of vehicle maintenance, and particularly relates to a detection device for metro vehicle maintenance.
Background
The subway is a rapid, large-traffic and electric power traction rail transit built in cities, and at present, a detection device is required to be used in the overhauling process of subway vehicles.
As disclosed in the chinese patent, a detection device for metro vehicle maintenance is disclosed in the following publication: CN214451009U, published: 2021.10.22, the transverse and longitudinal detection of the bottom of the subway vehicle is carried out through the first motor, the first bevel gear, the second bevel gear, the first screw, the sliding plate, the second motor, the third bevel gear, the fourth bevel gear, the second screw and the sliding block.
However, the detection device can only detect transversely and longitudinally, cannot flexibly adjust the detection direction according to the detection requirement, is inconvenient to adjust the detection angle, greatly reduces the detection flexibility and efficiency, is not beneficial to ensuring the detection effect, and brings great inconvenience to the use.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a detection device for overhauling a subway vehicle, which has the characteristic of being convenient for flexibly adjusting the detection angle and the direction.
In order to achieve the purpose, the invention provides the following technical scheme: a detection device for overhauling a metro vehicle comprises a base, wherein a cavity is formed in the base, a first bearing is fixedly connected to the bottom of the inner wall of the cavity, a first rotating shaft penetrates through the first bearing, a driving assembly is fixedly connected to the surface of the first rotating shaft and is fixedly connected to the inner wall of the cavity, a supporting plate is fixedly connected to the top end of the first rotating shaft, two second grooves are formed in the top of the supporting plate, third bearings are fixedly connected to the front side and the rear side of the inner wall of each second groove, a third rotating shaft penetrates through the third bearings, a second lead screw is fixedly connected to the surface of the third rotating shaft, a connecting plate is in threaded connection with the surface of the second lead screw, one end of the third rotating shaft penetrates through the third bearings and is fixedly connected with a transmission assembly, a movable plate is fixedly connected to the top of the connecting plate, and a first groove is formed in the top of the movable plate, the utility model discloses a portable computer, including first recess inner wall, first motor, second bearing, first lead screw of fixedly connected with, the equal fixedly connected with second bearing in side of first recess inner wall, wear to be equipped with the second pivot in the second bearing, the first lead screw of fixedly connected with in the second pivot, the surperficial threaded connection of first lead screw has the fly leaf, the one end fixedly connected with second motor of second pivot, the top fixedly connected with bracing piece of fly leaf, there is the mounting panel on the surface of bracing piece through first round pin axle swing joint, be provided with adjusting part between mounting panel and the fly leaf, the top of mounting panel is provided with detection instrument and camera.
Preferably, the driving assembly comprises a first motor, the first motor is fixedly connected to the bottom of the inner wall of the cavity, a driving gear is fixedly connected to an output shaft of the first motor, a driven gear is meshed with the surface of the driving gear, and the driven gear is fixedly connected to the surface of the first rotating shaft.
Preferably, the transmission assembly comprises two transmission wheels, the two transmission wheels are respectively and fixedly connected to one ends of the two third rotating shafts, the surfaces of the two transmission wheels are in transmission connection with a crawler belt, and the surfaces of the transmission wheels are fixedly connected with a third motor.
Preferably, the adjusting component comprises two fixing blocks, the two fixing blocks are respectively and fixedly connected to the movable plate and the mounting plate, the fixing blocks are movably connected with movable blocks through second hinge pins, and electric push rods are fixedly connected between the movable blocks.
Preferably, the top of the base is provided with a slide rail, a pulley is rotatably connected in the slide rail, and the pulley is fixedly connected to the bottom of the supporting plate.
Preferably, a second sliding groove is formed in the bottom of the inner wall of the first groove, a second sliding block is connected in the second sliding groove in a sliding mode, and the second sliding block is fixedly connected to the bottom of the movable plate.
Preferably, first chutes are formed in the side surfaces of the inner walls of the second grooves, first sliding blocks are connected in the first chutes in a sliding mode, and the first sliding blocks are fixedly connected to the connecting plate.
Preferably, the base bottom is close to the equal fixedly connected with hydraulic rod in position in four corners, hydraulic rod's bottom fixedly connected with gyro wheel, the side fixedly connected with handle of base, the handle surface is provided with control panel.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can drive the driving gear and the driven gear to mesh and rotate by the operation of the first motor in the driving assembly, further can drive the first rotating shaft to drive the supporting plate to rotate, thereby realizing the purpose of flexibly adjusting the using direction of the detecting instrument, the electric push rod in the adjusting assembly can extend and shorten, the mounting plate can be driven to move up and down by virtue of the action of the first pin shaft and the second pin shaft, thereby realizing the purpose of flexibly adjusting the detecting angle of the mounting plate and the detecting instrument, the driving wheel can be driven to rotate by the operation of the third motor in the transmission assembly, the purpose of driving the two third rotating shafts to rotate by virtue of the action of the crawler transmission is achieved by the rotation of the two driving wheels, further the second screw rod can be rotated, the connecting plate can drive the connecting plate to move back and forth, thereby realizing the purpose of longitudinally adjusting the detecting position of the detecting device, through the work of second motor, can drive first lead screw through the second pivot and rotate, and then can make the fly leaf drive the detection instrument through the mounting panel and carry out lateral shifting, realize the purpose of lateral position adjustment.
2. According to the subway vehicle bottom damage detection device, the detection instrument and the camera are arranged, the subway vehicle bottom damage position can be shot and detected, the display screen on the control panel is used for displaying, the maintenance efficiency is improved, the movable plate can move more stably by being matched with the sliding action of the second sliding block in the second sliding groove, the connecting plate can move more stably by being matched with the sliding action of the first sliding block in the first sliding groove, the hydraulic push rod works, the device can be driven to move up and down along with the extension and shortening of the hydraulic push rod, the purpose of adjusting the use height of the device is achieved, and the supporting plate can be driven to rotate more stably by being matched with the driving assembly and the first rotating shaft by virtue of the rotating action of the pulley in the sliding rail.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the adjusting assembly of the present invention;
in the figure: 1. a base; 2. a hydraulic push rod; 3. a roller; 4. a cavity; 5. a first bearing; 6. a first rotating shaft; 7. a drive assembly; 71. a driven gear; 72. a driving gear; 73. a first motor; 8. a slide rail; 9. a pulley; 10. a support plate; 11. a first slider; 12. a first chute; 13. a connecting plate; 14. moving the plate; 15. a second bearing; 16. a second rotating shaft; 17. a first lead screw; 18. a first pin shaft; 19. a support bar; 20. mounting a plate; 21. a camera; 22. a detector; 23. an adjustment assembly; 231. a fixed block; 232. a movable block; 233. an electric push rod; 234. a second pin shaft; 24. a first groove; 25. a second motor; 26. a third bearing; 27. a third rotating shaft; 28. a handle; 29. a control panel; 30. a second groove; 31. a transmission assembly; 311. a third motor; 312. a driving wheel; 313. a crawler belt; 32. a second chute; 33. a second slider; 34. a second lead screw; 35. a movable plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a detection device for overhauling a metro vehicle comprises a base 1, a cavity 4 is arranged in the base 1, a first bearing 5 is fixedly connected to the bottom of the inner wall of the cavity 4, a first rotating shaft 6 penetrates through the first bearing 5, a driving assembly 7 is fixedly connected to the surface of the first rotating shaft 6, the driving assembly 7 is fixedly connected to the inner wall of the cavity 4, the driving assembly 7 comprises a first motor 73, the first motor 73 is fixedly connected to the bottom of the inner wall of the cavity 4, a driving gear 72 is fixedly connected to an output shaft of the first motor 73, a driven gear 71 is meshed with the surface of the driving gear 72, the driven gear 71 is fixedly connected to the surface of the first rotating shaft 6, the first motor 73 in the driving assembly 7 works to drive the driving gear 72 to rotate in mesh with the driven gear 71, and then the first rotating shaft 6 can drive the supporting plate 10 to rotate, so that the purpose of flexibly adjusting the using direction of the detecting instrument 22 is realized.
The top end of the first rotating shaft 6 is fixedly connected with a supporting plate 10, the top of the supporting plate 10 is provided with two second grooves 30, the front side and the rear side of the inner wall of each second groove 30 are fixedly connected with a third bearing 26, a third rotating shaft 27 penetrates through the third bearing 26, the surface of the third rotating shaft 27 is fixedly connected with a second screw rod 34, the surface of the second screw rod 34 is in threaded connection with a connecting plate 13, one end of the third rotating shaft 27 penetrates through the third bearing 26 and is fixedly connected with a transmission assembly 31, the transmission assembly 31 comprises two transmission wheels 312, the two transmission wheels 312 are respectively and fixedly connected with one end of each third rotating shaft 27, the surface of the two transmission wheels 312 is in transmission connection with a crawler 313, the surface of each transmission wheel 312 is fixedly connected with a third motor 311, the transmission wheels 312 can be driven to rotate by the operation of the third motors 311 in the transmission assembly 31, and the purpose of driving the two third rotating shafts 27 to rotate is achieved by the transmission action of the crawler 313, and then the second screw rod 34 can rotate, so that the connecting plate 13 drives the moving plate 14 to move back and forth, and the purpose of longitudinally adjusting the detection position of the detection device is realized.
The top fixedly connected with movable plate 14 of connecting plate 13, first recess 24 has been seted up at the top of movable plate 14, the equal fixedly connected with second bearing 15 in side of first recess 24 inner wall, wear to be equipped with second pivot 16 in the second bearing 15, fixedly connected with first lead screw 17 on the second pivot 16, the surperficial threaded connection of first lead screw 17 has fly leaf 35, the one end fixedly connected with second motor 25 of second pivot 16, through the work of second motor 25, can drive first lead screw 17 through second pivot 16 and rotate, and then can make fly leaf 35 drive detection instrument 22 through mounting panel 20 and carry out lateral shifting, realize the purpose of lateral position adjustment, the top fixedly connected with bracing piece 19 of fly leaf 35, the surface of bracing piece 19 has mounting panel 20 through first round pin axle 18 swing joint.
An adjusting assembly 23 is arranged between the mounting plate 20 and the movable plate 35, the adjusting assembly 23 comprises two fixed blocks 231, the two fixed blocks 231 are respectively and fixedly connected to the movable plate 35 and the mounting plate 20, the fixed blocks 231 are movably connected with movable blocks 232 through second pin shafts 234, an electric push rod 233 is fixedly connected between the two movable blocks 232, the electric push rod 233 works through the electric push rod 233 in the adjusting assembly 23, the electric push rod 233 extends and shortens, the mounting plate 20 can be driven to move up and down by virtue of the moving action of the first pin shaft 18 and the second pin shafts 234, the aim of flexibly adjusting the detection angles of the mounting plate 20 and the detection instrument 22 is achieved, the detection instrument 22 and the camera 21 are arranged at the top of the mounting plate 20, the damaged position of the bottom of the metro vehicle can be shot and detected by arranging the detection instrument 22 and the camera 21, and the damaged position can be displayed through a display screen on the control panel 29, the maintenance efficiency is improved.
Specifically, slide rail 8 has been seted up at base 1's top, and the 8 internal rotations of slide rail are connected with pulley 9, and pulley 9 fixed connection is in the bottom of backup pad 10, with the help of the rotation effect of pulley 9 in slide rail 8, can cooperate drive assembly 7 and first pivot 6 to drive backup pad 10 and rotate more stably.
Specifically, the bottom of the inner wall of the first groove 24 is provided with a second sliding groove 32, the second sliding groove 32 is slidably connected with a second sliding block 33, the second sliding block 33 is fixedly connected to the bottom of the movable plate 35, and the movable plate 35 can be moved more stably by means of the sliding action of the second sliding block 33 in the second sliding groove 32.
Specifically, first spout 12 has all been seted up to the side of second recess 30 inner wall, and sliding connection has first slider 11 in first spout 12, and first slider 11 fixed connection is on connecting plate 13, with the help of the sliding action of first slider 11 in first spout 12, can cooperate connecting plate 13 to remove more stably.
Specifically, the equal fixedly connected with hydraulic rod 2 in position that base 1 bottom is close to the four corners, hydraulic rod 2's bottom fixedly connected with gyro wheel 3, base 1's side fixedly connected with handle 28, handle 28 surface are provided with control panel 29, through hydraulic rod 2 work, shorten along with the extension of hydraulic rod 2, can drive the device and reciprocate, realize using the purpose that highly adjusts to the device.
The working principle and the using process of the invention are as follows:
firstly, moving to the bottom of a metro vehicle by means of a roller 3 pushing device, then controlling a hydraulic push rod 2 to work through a control panel 29, extending the hydraulic push rod 2 to drive a device to rise to be located at a proper detection height, then controlling a third motor 311 to work through the control panel 29 to drive a transmission wheel 312 to rotate, and enabling two third rotating shafts 27 to drive a second screw rod 34 to rotate by means of the transmission action of a crawler belt 313, so that a connecting plate 13 drives a moving plate 14 to move back and forth, and adjusting the front and rear detection positions of a detector 22;
secondly, controlling a second motor 25 to work through a control panel 29, driving a first screw rod 17 to rotate through a second rotating shaft 16, enabling a movable plate 35 to drive a mounting plate 20 and a detecting instrument 22 to move left and right, adjusting the transverse detection position of the detecting instrument 22, controlling an electric push rod 233 to work through the control panel after the transverse detection position is adjusted to a proper position, enabling the mounting plate 20 to drive the detecting instrument 22 and a camera 21 to move up and down under the action of the movement of an ID (identity) pin shaft and a second pin shaft 234, adjusting the detection angle, detecting, overhauling and shooting the bottom of the subway vehicle through the detecting instrument 22 and the camera 21, and displaying through a display screen on the control panel 29;
step three, after one detection is finished, the first motor 73 can be controlled to work through the control panel 29 to drive the driving gear 72 and the driven gear 71 to rotate in a meshed mode, so that the first rotating shaft 6 drives the supporting plate 10 to rotate, and the detection direction is adjusted;
and step four, when other positions, angles and directions of the bottom of the vehicle on the ground need to be detected, repeating the step one, the step two and the step three to perform adjustment detection again.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a subway vehicle overhauls uses detection device, includes base (1), its characterized in that: the inner part of the base (1) is provided with a cavity (4), the bottom of the inner wall of the cavity (4) is fixedly connected with a first bearing (5), a first rotating shaft (6) is arranged in the first bearing (5) in a penetrating manner, the surface of the first rotating shaft (6) is fixedly connected with a driving component (7), the driving component (7) is fixedly connected with the inner wall of the cavity (4), the top end of the first rotating shaft (6) is fixedly connected with a supporting plate (10), the top part of the supporting plate (10) is provided with two second grooves (30), the front side and the rear side of the inner wall of each second groove (30) are both fixedly connected with third bearings (26), a third rotating shaft (27) is arranged in each third bearing (26) in a penetrating manner, the surface of the third rotating shaft (27) is fixedly connected with a second screw rod (34), and the surface of the second screw rod (34) is connected with a connecting plate (13) in a threaded manner, one end of the third rotating shaft (27) penetrates through a third bearing (26) and is fixedly connected with a transmission assembly (31), the top of the connecting plate (13) is fixedly connected with a moving plate (14), the top of the moving plate (14) is provided with a first groove (24), the side surface of the inner wall of the first groove (24) is fixedly connected with a second bearing (15), a second rotating shaft (16) penetrates through the second bearing (15), the second rotating shaft (16) is fixedly connected with a first lead screw (17), the surface of the first lead screw (17) is in threaded connection with a movable plate (35), one end of the second rotating shaft (16) is fixedly connected with a second motor (25), the top of the movable plate (35) is fixedly connected with a supporting rod (19), the surface of the supporting rod (19) is movably connected with a mounting plate (20) through a first pin shaft (18), and an adjusting assembly (23) is arranged between the mounting plate (20) and the movable plate (35), the top of the mounting plate (20) is provided with a detector (22) and a camera (21).
2. The detection device for overhauling a metro vehicle according to claim 1, wherein: the driving assembly (7) comprises a first motor (73), the first motor (73) is fixedly connected to the bottom of the inner wall of the cavity (4), a driving gear (72) is fixedly connected to an output shaft of the first motor (73), a driven gear (71) is meshed to the surface of the driving gear (72), and the driven gear (71) is fixedly connected to the surface of the first rotating shaft (6).
3. The detection device for overhauling a metro vehicle according to claim 1, wherein: the transmission assembly (31) comprises two transmission wheels (312), the two transmission wheels (312) are respectively and fixedly connected to one ends of the two third rotating shafts (27), the surfaces of the two transmission wheels (312) are in transmission connection with a crawler belt (313), and the surfaces of the transmission wheels (312) are fixedly connected with a third motor (311).
4. The detection device for overhauling a metro vehicle according to claim 1, wherein: adjusting part (23) includes two fixed blocks (231), two fixed block (231) fixed connection respectively is on fly leaf (35) and mounting panel (20), fixed block (231) have movable block (232), two through second round pin axle (234) swing joint fixedly connected with electric putter (233) between movable block (232).
5. The detection device for overhauling a metro vehicle according to claim 1, wherein: slide rail (8) have been seted up at the top of base (1), slide rail (8) internal rotation is connected with pulley (9), pulley (9) fixed connection is in the bottom of backup pad (10).
6. The detection device for overhauling a metro vehicle according to claim 1, wherein: a second sliding groove (32) is formed in the bottom of the inner wall of the first groove (24), a second sliding block (33) is connected in the second sliding groove (32) in a sliding mode, and the second sliding block (33) is fixedly connected to the bottom of the movable plate (35).
7. The detection device for overhauling a metro vehicle according to claim 1, wherein: first spout (12) have all been seted up to the side of second recess (30) inner wall, sliding connection has first slider (11) in first spout (12), first slider (11) fixed connection is on connecting plate (13).
8. The detection device for overhauling a metro vehicle according to claim 1, wherein: the base is characterized in that the bottom of the base (1) is close to the positions of four corners and is fixedly connected with a hydraulic push rod (2), the bottom of the hydraulic push rod (2) is fixedly connected with a roller (3), the side face of the base (1) is fixedly connected with a handle (28), and the surface of the handle (28) is provided with a control panel (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284741.1A CN114715217B (en) | 2022-03-23 | 2022-03-23 | Detection device for overhauling metro vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284741.1A CN114715217B (en) | 2022-03-23 | 2022-03-23 | Detection device for overhauling metro vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114715217A true CN114715217A (en) | 2022-07-08 |
| CN114715217B CN114715217B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210284741.1A Active CN114715217B (en) | 2022-03-23 | 2022-03-23 | Detection device for overhauling metro vehicle |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140196966A1 (en) * | 2013-01-11 | 2014-07-17 | Kabushiki Kaisha Toyota Jidoshokki | Battery unit mounting apparatus and battery unit mounting structure |
| CN108622133A (en) * | 2018-06-26 | 2018-10-09 | 李荣旭 | A kind of rail traffic steel rail flaw detection device |
| CN211146310U (en) * | 2020-02-19 | 2020-07-31 | 承德石油高等专科学校 | Lighting device for automobile repair |
| CN213777022U (en) * | 2020-12-15 | 2021-07-23 | 江苏通邦教育咨询有限公司 | Automobile head detection and maintenance device |
| CN213933145U (en) * | 2021-01-07 | 2021-08-10 | 焦云强 | High-speed railway overhauls uses auxiliary fixtures |
| JP2022041349A (en) * | 2020-09-01 | 2022-03-11 | 公益財団法人鉄道総合技術研究所 | Contact position measuring device and contact position measuring method |
-
2022
- 2022-03-23 CN CN202210284741.1A patent/CN114715217B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140196966A1 (en) * | 2013-01-11 | 2014-07-17 | Kabushiki Kaisha Toyota Jidoshokki | Battery unit mounting apparatus and battery unit mounting structure |
| CN108622133A (en) * | 2018-06-26 | 2018-10-09 | 李荣旭 | A kind of rail traffic steel rail flaw detection device |
| CN211146310U (en) * | 2020-02-19 | 2020-07-31 | 承德石油高等专科学校 | Lighting device for automobile repair |
| JP2022041349A (en) * | 2020-09-01 | 2022-03-11 | 公益財団法人鉄道総合技術研究所 | Contact position measuring device and contact position measuring method |
| CN213777022U (en) * | 2020-12-15 | 2021-07-23 | 江苏通邦教育咨询有限公司 | Automobile head detection and maintenance device |
| CN213933145U (en) * | 2021-01-07 | 2021-08-10 | 焦云强 | High-speed railway overhauls uses auxiliary fixtures |
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| Publication number | Publication date |
|---|---|
| CN114715217B (en) | 2023-10-03 |
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