CN218592970U - Trolley for maintaining subway center plate - Google Patents
Trolley for maintaining subway center plate Download PDFInfo
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- CN218592970U CN218592970U CN202222377246.3U CN202222377246U CN218592970U CN 218592970 U CN218592970 U CN 218592970U CN 202222377246 U CN202222377246 U CN 202222377246U CN 218592970 U CN218592970 U CN 218592970U
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- trolley
- supporting
- maintenance
- oil cylinder
- screw rod
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Abstract
The utility model discloses a dolly is used in subway spider maintenance, including the travelling car, the travelling car inboard includes hydro-cylinder and electronic hydraulic pressure mechanism, the hydro-cylinder sets up in the middle part of the travelling car inboard and is used for jacking the maintenance part, electronic hydraulic pressure mechanism is used for driving the hydro-cylinder output end through pipeline and hydro-cylinder inside intercommunication and removes, be provided with the support plectane that is used for placing the maintenance part on the hydro-cylinder output end, fixed surface has the brace table that is used for placing supplementary hydraulic jack when maintaining on the travelling car upper surface; through being provided with supporting circular plate, brace table, universal castor and hydro-cylinder, be convenient for carry out the jacking installation to a plurality of maintenance parts through supporting circular plate, avoid artifical one to lift a plurality of maintenance parts, be convenient for reduce artifical intensity of labour, through being provided with supporting screw, fixed block and supporting legs, avoid only relying on to remove wheel and ground contact, remove the slip that the wheel probably accident takes place with ground.
Description
Technical Field
The utility model belongs to a dolly is used in subway center plate maintenance.
Background
In the process of overhauling a subway train, when a train body is assembled with a bogie, the installation of a central disc is an operation difficulty. The center plate is suspended below the center pin due to gravity, and the steel sleeve 33, the composite spring 32, the spacer 31, the pressing base 27, and the center pin nut 5 cannot be smoothly installed. The specific structure of the bogie is shown in detail in figure 1. The traditional way is that the auxiliary jack lifts the two sides of the center plate, the parts are manually and sequentially supported by the tool, and then the parts are jacked by the other jacks, so that the threads of the center pin are completely exposed out of the pressing seat, and the nut of the center pin is screwed down.
Because of whole process goes on under the car, does not have suitable lifting equipment, needs artifical one to the maintenance part lift, lifts the maintenance part through hydraulic pressure small handcart a bit, but hydraulic pressure lift small handcart only can carry out the jacking to the maintenance part, can not be fine place auxiliary jack, hydraulic pressure lift small handcart also mostly steps on the drive and rises for the foot, and the operation is inconvenient, for this we propose a dolly for subway center plate maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dolly is used in subway center plate maintenance to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a dolly is used in subway center-plate maintenance, includes the travelling car, the travelling car inboard includes hydro-cylinder and electronic hydraulic pressure mechanism, the hydro-cylinder sets up and is used for carrying out the jacking to the maintenance part in the inboard middle part of travelling car, electronic hydraulic pressure mechanism is used for driving the hydro-cylinder output through pipeline and the inside intercommunication of hydro-cylinder and removes, be provided with the support plectane that is used for placing the maintenance part on the hydro-cylinder output, travelling car upper surface is fixed with and is used for the brace table of placing supplementary hydraulic jack when the maintenance, the travelling car lower surface is provided with universal castor, the travelling car lateral wall is provided with stabilizer blade mechanism, and makes it and firm contact through stabilizer blade mechanism after the travelling car removes.
Preferably, the electric hydraulic mechanism comprises a hydraulic system and a storage battery, the hydraulic system and the storage battery are respectively fixed at two ends of the inner side of the movable trolley, and the storage battery supplies power to the hydraulic system through a lead.
Preferably, the support leg mechanism comprises a support screw, a fixing block and support legs, the fixing block is fixed on the side wall of the movable trolley, the inner side of the fixing block is connected with the support screw through a first thread portion, and the support legs are arranged at the lower end of the support screw.
Preferably, the inner side of the supporting leg is connected with a connecting screw rod through a second thread part, a groove is formed in one side wall of the supporting screw rod, and the supporting screw rod is matched with the connecting screw rod through the groove.
Preferably, the number of the supporting legs is at least two, and a rotating handle is arranged at the top end of the supporting screw rod.
Preferably, the oil cylinder is a double-acting oil cylinder, and the stroke of the oil cylinder is 750mm to 850mm.
Preferably, the universal caster is provided with four, and the inside of the universal caster is provided with a brake pad.
Preferably, a push handle is fixed on the side wall of the moving trolley.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) Through being provided with the support plectane, a supporting bench, universal caster, electronic hydraulic pressure mechanism and hydro-cylinder, universal caster through major diameter makes the travelling car remove to spider department, then place supplementary hydraulic jack and maintenance part respectively, the support plectane rises through electrically driven hydro-cylinder, be convenient for carry out the jacking installation to a plurality of maintenance parts, and convenient operation avoids artifical one to lift a plurality of maintenance parts, is convenient for reduce artifical intensity of labour, improves the convenience of maintenance, increase work efficiency.
(2) Through being provided with supporting screw, fixed block and supporting legs, avoid only relying on and removing wheel and ground contact, remove the slip that the wheel probably accident takes place and ground, the firm nature is poor, and when the device does benefit to the improvement maintenance, the firm nature of travelling car and ground contact reduces to remove, improves stable effect.
Drawings
FIG. 1 is a schematic view of a prior art repair configuration;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the leg mechanism of the present invention;
fig. 4 is a schematic cross-sectional view at a in fig. 2 according to the present invention;
in the figure: 1. moving the trolley; 2. a hydraulic system; 3. a support screw; 4. a storage battery; 5. an oil cylinder; 6. a supporting circular plate; 7. a fixed block; 8. supporting legs; 9. connecting a screw rod; 10. pushing the handle; 11. a support table; 12. a universal caster.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dolly is used in subway center plate maintenance, including travelling car 1, 1 inboard of travelling car includes hydro-cylinder 5 and electronic hydraulic pressure mechanism, hydro-cylinder 5 sets up and is used for carrying out the jacking to the maintenance part in 1 inboard middle part of travelling car, be convenient for jacking maintenance part, make a plurality of maintenance parts be close to the center plate, electronic hydraulic pressure mechanism is used for driving 5 output ends of hydro-cylinder to remove through pipeline and 5 inside intercommunication of hydro-cylinder, be provided with the support plectane 6 that is used for placing the maintenance part on the 5 output of hydro-cylinder, be convenient for place a plurality of maintenance parts, 1 upper surface of travelling car is fixed with the brace table 11 that is used for placing auxiliary hydraulic jack when the maintenance, be convenient for carry out the jacking to the center plate through auxiliary hydraulic jack, 1 lower surface of travelling car is provided with universal castor 12, be convenient for remove the travelling car, 1 lateral wall of travelling car is provided with stabilizer blade mechanism, and make its firm contact with ground through stabilizer blade mechanism after travelling car 1 removes, be convenient for better restriction travelling car 1's removal.
In this embodiment, preferably, the electro-hydraulic mechanism includes a hydraulic system 2 and a storage battery 4, the hydraulic system 2 and the storage battery 4 are respectively fixed at two ends of the inner side of the moving trolley 1, and the storage battery 4 supplies power to the hydraulic system 2 through a wire, so as to facilitate the up-and-down movement of the output end of the driving cylinder 5.
In this embodiment, preferably, the support leg mechanism includes a support screw 3, a fixed block 7 and a support leg 8, the fixed block 7 is fixed to the side wall of the moving trolley 1, the support screw 3 is connected to the inner side of the fixed block 7 through a first threaded portion, and the support leg 8 is arranged at the lower end of the support screw 3, so that the moving trolley 1 can be in firm contact with the ground better, and movement is reduced.
In this embodiment, preferably, the supporting leg 8 is inboard to be connected with connecting screw 9 through second screw thread portion, and a lateral wall of supporting screw 3 is seted up flutedly, and supporting screw 3 cooperatees with connecting screw 9 through the recess, is convenient for dismantle supporting leg 8, does benefit to the later maintenance and changes.
In this embodiment, preferably, the supporting legs 8 are at least two, and the top end of the supporting screw rod 3 is provided with a rotating handle, so that the supporting screw rod 3 can be adjusted better.
In this embodiment, preferably, the oil cylinder 5 is a double-acting oil cylinder, and the stroke of the oil cylinder 5 is 750mm to 850mm.
In this embodiment, preferably, four casters 12 are provided, and the inner side of each caster 12 is provided with a brake pad, so as to facilitate better braking.
In this embodiment, preferably, a push handle 10 is fixed on a side wall of the mobile cart 1, so as to facilitate the pushing and pulling of the mobile cart 1.
The utility model discloses a theory of operation and use flow: when the vehicle body and the bogie are assembled, the trolley is pushed to the position right below the central disc, the universal caster 12 with the diameter of 200mm has no obstacle when passing through the track, and the universal caster 12 can be used for fine adjustment in a front-back and left-right manner; after the position of the movable trolley 1 is determined, the supporting screw 3 is rotated to enable the supporting feet 8 to be firmly contacted with the ground, the foot brake of the universal caster 12 is put down to ensure that the movable trolley 1 cannot move, two manual hydraulic jacks are placed on two sides of the supporting table 11 to respectively prop up two sides of the central disc upwards and synchronously ascend to the highest position; meanwhile, train maintenance components such as an auxiliary tool, a pressing seat, a composite spring, a steel sleeve and the like are sequentially placed on the supporting circular plate 6, the output end of the oil cylinder 5 is lifted upwards, the maintenance components are sent into the center disc, and after the specified height is reached, the threads of the center pin are completely exposed and then are maintained; screwing up the central pin nut, and using a torque wrench to achieve the required torque to complete the whole installation process; lowering the output end of the oil cylinder 5 to an initial position, removing the manual hydraulic jack, auxiliary tools and the like, and loosening the universal wheel foot brake and the reset support screw 3; and pushing the movable trolley 1 to the next station, and repeating the operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dolly is used in subway center plate maintenance, includes travelling car (1), its characterized in that: the hydraulic lifting device is characterized in that an oil cylinder (5) and an electric hydraulic mechanism are arranged on the inner side of the moving trolley (1), the oil cylinder (5) is arranged in the middle of the inner side of the moving trolley (1) and used for jacking maintenance parts, the electric hydraulic mechanism is communicated with the inner part of the oil cylinder (5) through a pipeline and used for driving the output end of the oil cylinder (5) to move, a supporting circular plate (6) used for placing the maintenance parts is arranged on the output end of the oil cylinder (5), a supporting table (11) used for placing an auxiliary hydraulic jack when in maintenance is fixed on the upper surface of the moving trolley (1), universal casters (12) are arranged on the lower surface of the moving trolley (1), a support leg mechanism is arranged on the side wall of the moving trolley (1), and the moving trolley (1) is in firm contact with the ground through the support leg mechanism after moving.
2. The trolley for repairing the subway central disk as claimed in claim 1, wherein: the electric hydraulic mechanism comprises a hydraulic system (2) and a storage battery (4), the hydraulic system (2) and the storage battery (4) are respectively fixed at two ends of the inner side of the movable trolley (1), and the storage battery (4) supplies power to the hydraulic system (2) through a lead.
3. The trolley for repairing the subway central disk as claimed in claim 1, wherein: the supporting leg mechanism comprises a supporting screw rod (3), a fixing block (7) and supporting legs (8), the fixing block (7) is fixed on the side wall of the moving trolley (1), the inner side of the fixing block (7) is connected with the supporting screw rod (3) through a first thread portion, and the supporting legs (8) are arranged at the lower end of the supporting screw rod (3).
4. The trolley for repairing the subway center plate as claimed in claim 3, wherein: the supporting leg (8) is connected with a connecting screw rod (9) through a second thread portion on the inner side, a groove is formed in one side wall of the supporting screw rod (3), and the supporting screw rod (3) is matched with the connecting screw rod (9) through the groove.
5. The trolley for repairing the subway center plate as claimed in claim 3, wherein: the supporting legs (8) are at least two, and a rotating handle is arranged at the top end of the supporting screw rod (3).
6. The trolley for the maintenance of the subway center plate as claimed in claim 1, wherein: the oil cylinder (5) is a double-acting oil cylinder, and the stroke of the oil cylinder (5) is 750mm to 850mm.
7. The trolley for repairing the subway central disk as claimed in claim 1, wherein: the four universal caster wheels (12) are arranged, and brake pads are arranged on the inner sides of the universal caster wheels (12).
8. The trolley for repairing the subway central disk as claimed in claim 1, wherein: a push handle (10) is fixed on the side wall of the movable trolley (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222377246.3U CN218592970U (en) | 2022-09-07 | 2022-09-07 | Trolley for maintaining subway center plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222377246.3U CN218592970U (en) | 2022-09-07 | 2022-09-07 | Trolley for maintaining subway center plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218592970U true CN218592970U (en) | 2023-03-10 |
Family
ID=85399286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222377246.3U Active CN218592970U (en) | 2022-09-07 | 2022-09-07 | Trolley for maintaining subway center plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218592970U (en) |
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2022
- 2022-09-07 CN CN202222377246.3U patent/CN218592970U/en active Active
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