CN113500571B - Train maintenance protection mechanism with high safety performance - Google Patents
Train maintenance protection mechanism with high safety performance Download PDFInfo
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- CN113500571B CN113500571B CN202110790959.XA CN202110790959A CN113500571B CN 113500571 B CN113500571 B CN 113500571B CN 202110790959 A CN202110790959 A CN 202110790959A CN 113500571 B CN113500571 B CN 113500571B
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- train
- barrel
- seat
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- piston
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- 238000012423 maintenance Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0007—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a train maintenance protection mechanism with high safety performance, which comprises horizontal seats and hydraulic lifting platforms, wherein the hydraulic lifting platforms are respectively installed at two ends of the tops of the horizontal seats in a sliding manner, a supporting seat is installed at the top of each hydraulic lifting platform, a wheel seat is installed at the top end of each supporting seat, side seats are installed at two ends of the outer side wall of each wheel seat, a first barrel is installed at the top side of the bottom end of each side seat, a plurality of second barrels are installed at the bottom side of each wheel seat, the second barrels are in conduction connection with the first barrels through connecting pipes, and a limiting plate is installed at the top end of each second barrel and positioned in the wheel seat in a sliding manner; the bolt is unscrewed, the area of will lying is taken out in the pivot of urceolus, then will lie pothook and the snap ring joint in area, and the adjustment is lain the elasticity in area and is run through spacing hole and supporting seat connection with the bolt once more after, and operating personnel is convenient for lie and is taken and overhaul the train bottom this moment, makes things convenient for operating personnel to overhaul, improves the efficiency of overhauing.
Description
Technical Field
The invention relates to the technical field of train maintenance equipment, in particular to a train maintenance protection mechanism with high safety performance.
Background
After the train works, the train needs to be periodically checked and maintained, and the safety during the working period is ensured.
When a train is overhauled, the train needs to be lifted, so that the bottom of the train is convenient to overhaul, and the train is easy to shift in the lifting process, so that accidents are caused; simultaneously when overhauing the bottom, operating personnel carries out long-time work through standing, leads to operating personnel tired, and then causes the inefficiency of overhauing.
Disclosure of Invention
The invention solves the problem of providing a train maintenance protection mechanism with high safety performance, and solves the problems that when a train is maintained, the train needs to be lifted, the bottom of the train is convenient to maintain, and the train is easy to deviate in the lifting process, so that accidents are caused; simultaneously when overhauing the bottom, operating personnel carries out long-time work through standing, leads to operating personnel tired, and then causes the technical problem of the inefficiency of overhauing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a train maintenance protection mechanism with high safety performance comprises horizontal seats and hydraulic lifting platforms, wherein the hydraulic lifting platforms are respectively installed at two ends of the tops of the horizontal seats in a sliding mode, supporting seats are installed at the tops of the hydraulic lifting platforms, wheel seats are installed at the top ends of the supporting seats, side seats are installed at two ends of the outer side walls of the wheel seats, first barrels are installed on the top sides of the bottoms of the side seats, a plurality of second barrels are installed at the bottom sides of the wheel seats, the second barrels and the first barrels are in conduction connection through connecting pipes, and limiting plates are installed at the top ends of the second barrels and are located in the wheel seats in a sliding mode;
one end the urceolus is installed to the supporting seat inside wall, the pivot is installed to urceolus internal rotation, the winding of the pivot outside has the area of lying, and the outband end of lying runs through the urceolus and installs a plurality of pothook, the other end a plurality of snap ring, and snap ring and pothook joint are installed to the supporting seat inside wall.
Preferably, a plurality of sliding blocks are arranged on the bottom side of the hydraulic lifting platform, a sliding groove is formed in the top side of the horizontal seat, a motor is installed at the outer end of the horizontal seat, and a threaded rod is installed at the output end of the motor and located inside the sliding groove.
Preferably, the thread directions of the two ends of the threaded rod are opposite, and the threaded rod is in threaded connection with the sliding block respectively.
Preferably, a first spring is installed on the top side inside the first cylinder, the bottom end of the first spring is connected with a first piston, the first piston is connected with the top end of a first lifting rod, and the bottom end of the first lifting rod penetrates through the bottom of the first cylinder and is connected with the pressing plate.
Preferably, the second spring is installed to second barrel bottom, second spring top and second piston connection, and the second piston is connected with second lifter bottom, the second lifter top is located inside the wheel seat and is connected with limiting plate.
Preferably, an internal channel is formed inside the supporting seat, and the internal channel is respectively in conduction connection with the second cylinder and the connecting pipe.
Preferably, the two ends of the rotating shaft penetrate through the outer barrel respectively to be provided with the rotating disc, a plurality of limiting holes are formed in the outer side of the rotating disc at equal intervals, and the bolts penetrate through the limiting holes to be in threaded connection with the supporting seat.
Preferably, the specific operation steps of the train overhaul protection mechanism are as follows:
the method comprises the following steps: when the hydraulic lifting platform is in a contracted state, the pressure plate is in contact with the ground at the moment, the first piston is driven to move upwards through the first lifting rod, the first spring is further compressed, at the moment, air in the first cylinder enters the second cylinder through the connecting pipe, meanwhile, the second piston in the second cylinder is positioned on the top side in the second cylinder under the action of internal air pressure, and at the moment, the top side of the limiting plate is flush with the top side of the wheel seat;
step two: a motor on the horizontal seat drives a threaded rod to rotate and is matched with a sliding block in threaded connection, so that the two hydraulic lifting platforms move, and the distance between the hydraulic lifting platforms is adjusted until the distance between the wheel seats is matched with the wheel track of the train;
step three: starting the train to move along the wheel seat until the train completely moves onto the wheel seat, when the hydraulic lifting platform starts to ascend, the first cylinder synchronously ascends, the first spring starts to restore to the original state to drive the first piston to move downwards, meanwhile, the train wheels act on the corresponding limiting plates to drive the limiting plates to move downwards, the second piston moves downwards to compress the second spring, air in the second cylinder enters the first cylinder, the train wheels are sunk into the wheel seat, the rest limiting plates are kept in the original state under the action of the second spring, and the train wheels are limited by the wheel seat;
step four: the bolt is unscrewed, the lying belt is pulled out from the rotating shaft of the outer barrel, then the clamping hook of the lying belt is clamped with the clamping ring, the bolt penetrates through the limiting hole again to be connected with the supporting seat after the tightness of the lying belt is adjusted, and at the moment, an operator can conveniently lie on the lying belt to overhaul the bottom of the train;
step five: after the overhaul is accomplished, hydraulic lifting platform contracts, the clamp plate contacts with ground gradually this moment, drive first piston through first lifter and shift up, and then compress first spring, the air of first barrel gets into in the second barrel through the connecting pipe this moment, the second piston in the second barrel of wheel below moves up under the effect of inside atmospheric pressure, it shifts up wholly to drive the train, when hydraulic lifting platform accomplishes the shrink, corresponding limiting plate and wheel seat parallel and level, the train after will overhauing this moment removes.
The invention has the beneficial effects that: the train is started to move along the wheel seat until the train completely moves onto the wheel seat, when the hydraulic lifting platform starts to ascend, the first cylinder synchronously ascends, the first spring starts to restore to the original state to drive the first piston to move downwards, meanwhile, the train wheels act on the corresponding limiting plates to drive the limiting plates to move downwards, the second piston moves downwards to compress the second springs, air in the second cylinder enters the first cylinder, the train wheels are sunk into the wheel seat, the rest limiting plates keep the original state under the action of the second springs, the train wheels are limited through the wheel seat, the limitation on the train is guaranteed during lifting and maintenance, the train is prevented from moving, after maintenance is completed, the hydraulic lifting platform contracts, the pressing plate is gradually contacted with the ground, the first piston is driven to move upwards through the first lifting rod to compress the first springs, at the moment, the air in the first cylinder enters the second cylinder through the connecting pipe, the second piston in the second cylinder below the wheels moves upwards under the internal action to drive the train to integrally move upwards, and when the hydraulic lifting platform finishes contraction, the corresponding limiting plates are flush with the wheel seat, the automatic limiting plate of the train is convenient to move, and the automobile is convenient to remove the limitation on the automobile;
the bolt is unscrewed, the area of will lying is taken out in the pivot of urceolus, then will lie pothook and the snap ring joint in area, and the adjustment is lain the elasticity in area and is run through spacing hole and supporting seat connection with the bolt once more after, and operating personnel is convenient for lie and is taken and overhaul the train bottom this moment, makes things convenient for operating personnel to overhaul, improves the efficiency of overhauing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall elevational view of the present invention;
FIG. 3 is a cross-sectional view of a first barrel and a second barrel of the present invention;
fig. 4 is a sectional view of the outer cylinder of the present invention.
Illustration of the drawings:
1. a horizontal base; 2. a hydraulic lifting platform; 3. a chute; 4. a threaded rod; 5. a motor; 6. a supporting seat; 7. a wheel seat; 8. a side seat; 9. a first cylinder; 10. a second cylinder; 11. a first spring; 12. a first piston; 13. a first lifting rod; 14. pressing a plate; 15. a connecting pipe; 16. a second spring; 17. a second piston; 18. a second lifting rod; 19. a limiting plate; 20. an outer cylinder; 21. a rotating shaft; 22. a turntable; 23. a limiting hole; 24. a bolt; 25. a lying belt; 26. a hook; 27. a snap ring.
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.
Specific examples are given below.
Referring to fig. 1 to 4, a train maintenance protection mechanism with high safety performance comprises horizontal seats 1 and hydraulic lifting platforms 2, the hydraulic lifting platforms 2 are respectively mounted at two ends of the tops of the horizontal seats 1 in a sliding manner, a supporting seat 6 is mounted at the top of each hydraulic lifting platform 2, a wheel seat 7 is mounted at the top end of each supporting seat 6, side seats 8 are mounted at two ends of the outer side wall of each wheel seat 7, a first cylinder 9 is mounted at the top side of the bottom end of each side seat 8, a plurality of second cylinders 10 are mounted at the bottom sides of the wheel seats 7, the second cylinders 10 are in conduction connection with the first cylinders 9 through connecting pipes 15, and a limiting plate 19 is mounted at the top end of each second cylinder 10 and positioned in the wheel seat 7 in a sliding manner;
As an implementation mode of the invention, a plurality of sliding blocks are arranged at the bottom side of the hydraulic lifting platform 2, a sliding groove 3 is arranged at the top side of the horizontal seat 1, a motor 5 is arranged at the outer end of the horizontal seat 1, a threaded rod 4 is arranged at the output end of the motor 5 and positioned in the sliding groove 3, the thread directions of two ends of the threaded rod 4 are opposite, the threaded rod 4 is respectively in threaded connection with the sliding blocks, the motor 5 on the horizontal seat 1 works to drive the threaded rod 4 to rotate and is matched with the sliding blocks in threaded connection, synchronous approaching or departing of the two hydraulic lifting platforms 2 is realized, and the distance between the hydraulic lifting platforms 2 is adjusted.
As an embodiment of the present invention, a first spring 11 is installed on the top side inside a first cylinder 9, the bottom end of the first spring 11 is connected to a first piston 12, the first piston 12 is connected to the top end of a first lifting rod 13, the bottom end of the first lifting rod 13 penetrates through the bottom of the first cylinder 9 and is connected to a pressure plate 14, a second spring 16 is installed at the bottom end of a second cylinder 10, the top end of the second spring 16 is connected to a second piston 17, the second piston 17 is connected to the bottom end of a second lifting rod 18, the top end of the second lifting rod 18 is located inside a wheel seat 7 and is connected to a limit plate 19, an internal channel is opened inside a support seat 6, and the internal channels are respectively in conductive connection with the second cylinder 10 and a connection pipe 15, when the hydraulic lifting platform 2 starts to ascend, the first cylinder 9 rises synchronously, at this time, the first spring 11 starts to recover to drive the original shape and drive the first piston 12 to move downwards, meanwhile, a train wheel acts on the corresponding limit plate 19 to drive the limit plate 19 to move downwards, the second piston 17 to move downwards, the second spring 17 to compress the second spring 16, air in the second cylinder 10 enters the first cylinder 9, at this time, the train wheel seat 7 sinks into the limit plate 19, and the remaining wheel 7 acts on the second cylinder 9 to keep the second cylinder 9, and the other limit plate 19 to flow.
As an embodiment of the present invention, both ends of the rotating shaft 21 respectively penetrate through the outer cylinder 20 to be installed with rotating discs 22, a plurality of limiting holes 23 are equidistantly formed on the outer side of the rotating discs 22, bolts 24 penetrate through the limiting holes 23 to be in threaded connection with the supporting base 6, the bolts 24 are unscrewed to draw out the lying belt 25 from the rotating shaft 21 of the outer cylinder 20, then the hooks 26 of the lying belt 25 are clamped with the snap rings 27, the bolt 24 penetrates through the limiting holes 23 again to be connected with the supporting base 6 after the tightness of the lying belt 25 is adjusted, and the lying belt 25 is folded and fixed.
As an embodiment of the invention, the specific operation steps of the train overhaul protection mechanism are as follows:
the method comprises the following steps: when the hydraulic lifting platform 2 is in a contracted state, the pressure plate 14 is in contact with the ground at the moment, the first piston 12 is driven to move upwards through the first lifting rod 13, the first spring 11 is further compressed, at the moment, air in the first cylinder 9 enters the second cylinder 10 through the connecting pipe 15, meanwhile, the second piston 17 in the second cylinder 10 is positioned on the top side in the second cylinder 10 under the action of internal air pressure, and at the moment, the top side of the limiting plate 19 is flush with the top side of the wheel seat 7;
step two: a motor 5 on the horizontal seat 1 works to drive a threaded rod 4 to rotate, and the threaded rod is matched with a sliding block in threaded connection, so that the two hydraulic lifting platforms 2 move, and the distance between the hydraulic lifting platforms 2 is adjusted until the distance between the wheel seats 7 is matched with the wheel track of a train;
step three: at the moment, the train is started to move along the wheel seat 7 until the train completely moves onto the wheel seat 7, when the hydraulic lifting platform 2 starts to ascend, the first cylinder 9 synchronously ascends, the first spring 11 starts to restore to the original state to drive the first piston 12 to descend, meanwhile, the train wheels act on the corresponding limiting plates 19 to drive the limiting plates 19 to descend, the second piston 17 descends to compress the second spring 16, air in the second cylinder 10 enters the first cylinder 9, at the moment, the train wheels are sunk into the wheel seat 7, the rest limiting plates 19 keep the original state under the action of the second spring 16, and the train wheels are limited through the wheel seat 7;
step four: the bolt 24 is unscrewed, the lying belt 25 is pulled out from the rotating shaft 21 of the outer cylinder 20, then the clamping hook 26 of the lying belt 25 is clamped with the clamping ring 27, the bolt 24 penetrates through the limiting hole 23 again to be connected with the supporting seat 6 after the tightness of the lying belt 25 is adjusted, and at the moment, an operator can conveniently lie on the lying belt 25 to overhaul the bottom of the train;
step five: after the overhaul is accomplished, hydraulic lifting platform 2 contracts, this moment, clamp plate 14 gradually with ground contact, drive first piston 12 through first lifter 13 and move up, and then compress first spring 11, the air of first barrel 9 gets into in second barrel 10 through connecting pipe 15 this moment, second piston 17 in the second barrel 10 of wheel below moves up under the effect of inside atmospheric pressure, it shifts up to drive the train wholly, when hydraulic lifting platform 2 accomplishes the shrink, corresponding limiting plate 19 and wheel seat 7 parallel and level, the train after will overhauing this moment removes.
The train is started to move along the wheel seat 7 until the train completely moves onto the wheel seat 7, when the hydraulic lifting platform 2 starts to ascend, the first cylinder 9 synchronously ascends, at the moment, the first spring 11 starts to restore to the original state to drive the first piston 12 to descend, meanwhile, the train wheels act on the corresponding limiting plate 19 to drive the limiting plate 19 to descend, the second piston 17 descends to compress the second spring 16, air in the second cylinder 10 enters the first cylinder 9, at the moment, the train wheels are sunk into the wheel seat 7, the rest limiting plates 19 are kept in the original state under the action of the second spring 16, and the train wheels are limited through the wheel seat 7, when the hydraulic lifting platform 2 finishes the contraction, the air of the first cylinder 9 enters the second cylinder 10 through the connecting pipe 15, the second piston 17 in the second cylinder 10 below the wheels moves upwards under the action of internal air pressure to drive the train to move upwards integrally, and when the hydraulic lifting platform 2 finishes the contraction, the corresponding limiting plate 19 is flush with the wheel seat 7, so that the limitation on the train is automatically released, and the automobile can move conveniently;
screw out bolt 24, will lie and take 25 from the pivot 21 of urceolus 20 and take out, then will lie and take the pothook 26 and the snap ring 27 joint of 25, adjust lie and take 24 bolt through spacing hole 23 and be connected with supporting seat 6 again after 25 the elasticity of 25, operating personnel is convenient for lie and lies on 25 and overhaul the train bottom this moment, makes things convenient for operating personnel to overhaul, improves the efficiency of overhauing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The train overhaul protection mechanism is high in safety performance and is characterized by comprising a horizontal seat (1) and a hydraulic lifting platform (2), wherein the hydraulic lifting platform (2) is respectively slidably mounted at two ends of the top of the horizontal seat (1), a supporting seat (6) is mounted at the top of the hydraulic lifting platform (2), a wheel seat (7) is mounted at the top end of the supporting seat (6), side seats (8) are mounted at two ends of the outer side wall of the wheel seat (7), a first barrel (9) is mounted at the top side of the bottom end of each side seat (8), a plurality of second barrels (10) are mounted at the bottom side of each wheel seat (7), the second barrels (10) are in conductive connection with the first barrels (9) through connecting pipes (15), and a limiting plate (19) is slidably mounted at the top end of each second barrel (10) and in the wheel seat (7);
an outer barrel (20) is installed on the inner side wall of the supporting seat (6) at one end, a rotating shaft (21) is installed inside the outer barrel (20) in a rotating mode, a lying belt (25) is wound on the outer side of the rotating shaft (21), a plurality of clamping hooks (26) are installed at the outer end of the lying belt (25) in a penetrating mode through the outer barrel (20), a plurality of clamping rings (27) are installed on the inner side wall of the supporting seat (6) at the other end, and the clamping rings (27) are clamped with the clamping hooks (26);
first spring (11) are installed to inside top side of first barrel (9), and first spring (11) bottom is connected with first piston (12), first piston (12) are connected with first lifter (13) top, and first lifter (13) bottom runs through first barrel (9) bottom and is connected with clamp plate (14), second spring (16) are installed to second barrel (10) bottom, second spring (16) top is connected with second piston (17), and second piston (17) are connected with second lifter (18) bottom, second lifter (18) top is located wheel seat (7) inside and is connected with limiting plate (19), the inside passageway that has seted up of supporting seat (6), and the inside passageway respectively with second barrel (10) and connecting pipe (15) turn-on connection.
2. The train overhaul protecting mechanism with high safety performance as claimed in claim 1, wherein a plurality of sliding blocks are arranged on the bottom side of the hydraulic lifting platform (2), a sliding groove (3) is formed in the top side of the horizontal seat (1), a motor (5) is installed at the outer end of the horizontal seat (1), and a threaded rod (4) is installed at the output end of the motor (5) and inside the sliding groove (3).
3. The train overhaul protecting mechanism with high safety performance as claimed in claim 2, wherein the thread directions of two ends of the threaded rod (4) are opposite, and the threaded rod (4) is in threaded connection with the sliding block respectively.
4. The train overhaul protecting mechanism with high safety performance as claimed in claim 3, wherein two ends of the rotating shaft (21) respectively penetrate through the outer cylinder (20) to be provided with a rotating disc (22), a plurality of limiting holes (23) are formed in the outer side of the rotating disc (22) at equal intervals, and bolts (24) penetrate through the limiting holes (23) to be in threaded connection with the supporting seat (6).
5. The train overhaul protecting mechanism with high safety performance as claimed in claim 4, is characterized in that the specific operation steps of the train overhaul protecting mechanism are as follows:
the method comprises the following steps: when the hydraulic lifting platform (2) is in a contracted state, the pressure plate (14) is in contact with the ground at the moment, the first piston (12) is driven to move upwards through the first lifting rod (13), the first spring (11) is further compressed, the air of the first barrel (9) enters the second barrel (10) through the connecting pipe (15), the second piston (17) in the second barrel (10) is located on the top side in the second barrel (10) under the action of internal air pressure, and the top side of the limiting plate (19) is flush with the top side of the wheel seat (7) at the moment;
step two: a motor (5) on the horizontal seat (1) works to drive a threaded rod (4) to rotate and is matched with a sliding block in threaded connection, so that the two hydraulic lifting platforms (2) move, the distance between the hydraulic lifting platforms (2) is adjusted until the distance between the wheel seats (7) is matched with the wheel track of a train;
step three: at the moment, the train is started to move along the wheel seat (7) until the train completely moves onto the wheel seat (7), when the hydraulic lifting platform (2) starts to ascend, the first cylinder (9) synchronously ascends, the first spring (11) starts to restore to the original state to drive the first piston (12) to descend, meanwhile, the train wheels act on the corresponding limiting plates (19) to drive the limiting plates (19) to descend, the second piston (17) downwards moves to compress the second spring (16), air in the second cylinder (10) enters the first cylinder (9), the train wheels are sunk into the wheel seat (7), the rest limiting plates (19) are kept in the original state under the action of the second spring (16), and the train wheels are limited through the wheel seat (7);
step four: the bolt (24) is unscrewed, the lying belt (25) is pulled out from the rotating shaft (21) of the outer cylinder (20), then the clamping hook (26) of the lying belt (25) is clamped with the clamping ring (27), the bolt (24) penetrates through the limiting hole (23) again to be connected with the supporting seat (6) after the tightness of the lying belt (25) is adjusted, and at the moment, an operator can conveniently lie on the lying belt (25) to overhaul the bottom of the train;
step five: after the overhaul is accomplished, hydraulic lifting platform (2) shrink, clamp plate (14) contact with ground gradually this moment, drive first piston (12) through first lifter (13) and shift up, and then compress first spring (11), the air of first barrel (9) gets into in second barrel (10) through connecting pipe (15) this moment, second piston (17) in second barrel (10) of wheel below shifts up under the effect of inside atmospheric pressure, it shifts up wholly to drive the train, when hydraulic lifting platform (2) are accomplished the shrink, limiting plate (19) and wheel seat (7) parallel and level that correspond, the train after will overhauing this moment removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790959.XA CN113500571B (en) | 2021-07-13 | 2021-07-13 | Train maintenance protection mechanism with high safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790959.XA CN113500571B (en) | 2021-07-13 | 2021-07-13 | Train maintenance protection mechanism with high safety performance |
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| Publication Number | Publication Date |
|---|---|
| CN113500571A CN113500571A (en) | 2021-10-15 |
| CN113500571B true CN113500571B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110790959.XA Active CN113500571B (en) | 2021-07-13 | 2021-07-13 | Train maintenance protection mechanism with high safety performance |
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| CN (1) | CN113500571B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211565799U (en) * | 2020-02-10 | 2020-09-25 | 杨永康 | Equipment factory overhauls and uses safety device |
| CN212527726U (en) * | 2020-06-23 | 2021-02-12 | 重庆工程职业技术学院 | Subway lifting maintenance chair |
| CN213616185U (en) * | 2019-12-21 | 2021-07-06 | 王会涛 | Automobile maintenance lifting platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005010354B4 (en) * | 2005-03-08 | 2013-03-07 | Wolfcraft Gmbh | Foldable chop saw stand |
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2021
- 2021-07-13 CN CN202110790959.XA patent/CN113500571B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213616185U (en) * | 2019-12-21 | 2021-07-06 | 王会涛 | Automobile maintenance lifting platform |
| CN211565799U (en) * | 2020-02-10 | 2020-09-25 | 杨永康 | Equipment factory overhauls and uses safety device |
| CN212527726U (en) * | 2020-06-23 | 2021-02-12 | 重庆工程职业技术学院 | Subway lifting maintenance chair |
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| CN113500571A (en) | 2021-10-15 |
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Effective date of registration: 20231205 Address after: No. 120C, Building 6, Qianxiang Wanhe City, Changchun Road, Lianhua Street, Zhengzhou High tech Industrial Development Zone, Henan Province, 450000 Patentee after: Zhengzhou Weiai Intelligent Technology Co.,Ltd. Address before: No.56 Pengcheng Avenue, Zhengdong New District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU RAILWAY VOCATIONAL & TECHNICAL College |