CN218226464U - Gas spring compression device for metro vehicle - Google Patents
Gas spring compression device for metro vehicle Download PDFInfo
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- CN218226464U CN218226464U CN202222252349.7U CN202222252349U CN218226464U CN 218226464 U CN218226464 U CN 218226464U CN 202222252349 U CN202222252349 U CN 202222252349U CN 218226464 U CN218226464 U CN 218226464U
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- connecting piece
- rod
- gas spring
- connecting rod
- compression device
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Abstract
The utility model relates to a gas spring compression device for subway vehicle, it includes first connecting piece and second connecting piece, first connecting piece one side fixedly connected with drive nut, drive nut passes through threaded connection with drive screw, drive screw one end link up first connecting piece, the other end with second connecting piece one side fixed connection; a first connecting rod fixedly connected with the first connecting piece is arranged on one side of the first connecting piece away from the transmission nut, and a first clamping clamp is arranged on the first connecting rod; and a second connecting rod is arranged below the second connecting piece, corresponds to the first connecting rod, and is provided with a second clamping clamp. The utility model discloses can provide reliable centre gripping when the railcar air spring overhauls and changes, guarantee that the air spring keeps at the fixed length compression state.
Description
Technical Field
The utility model belongs to the technical field of air spring equipment technique and specifically relates to indicate a gas spring compressor arrangement for railcar.
Background
Under the promotion of national policies, the rail transit industry is in a rapid development period, and partial urban subway vehicles enter a centralized frame overhaul period, so that the overhaul period is further compressed.
The metro vehicle has more specifications of the used gas spring, larger size change and more compression force of about 250N. It is difficult to compress the air spring to an installable length by manpower when the installation, overhaul and replacement are performed.
Through retrieval, in the patent of chinese patent publication No. CN110744497a, an air spring compression frock is disclosed for the compression of the air spring for passenger train, air spring compression frock, including the hollow tube, the inside of hollow tube is provided with the air spring, and the air spring after compressing through this frock is in a closed structure, can't satisfy the open installation interface of subway vehicle and use.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that overcome not enough among the prior art, provide a gas spring compressor arrangement for railcar, it can provide reliable centre gripping when railcar gas spring overhauls to be changed, guarantees that the gas spring keeps at the fixed length compression state.
In an embodiment of the present invention, the connecting device comprises a first connecting piece and a second connecting piece, wherein a driving nut is fixedly connected to one side of the first connecting piece, the driving nut is connected to a driving screw through a thread, one end of the driving screw penetrates through the first connecting piece, and the other end of the driving screw is fixedly connected to one side of the second connecting piece;
a first connecting rod fixedly connected with the first connecting piece is arranged on one side of the first connecting piece away from the transmission nut, and a first clamping clamp is arranged on the first connecting rod; and a second connecting rod is arranged below the second connecting piece, corresponds to the first connecting rod, and is provided with a second clamping clamp.
In an embodiment of the present invention, the drive screw is vertically connected between the second connecting member and the first connecting member, the first connecting rod is vertically connected with the first connecting member, and the second connecting rod is vertically connected with the second connecting member.
In an embodiment of the present invention, at least one guide rod is disposed on the second connecting member, one end of the guide rod is vertically connected to the second connecting member, and the other end of the guide rod runs through the first connecting member.
In an embodiment of the present invention, the driving nut is provided with a screwing assisting handle adapted to the driving nut.
In an embodiment of the present invention, the length of the first connecting rod is less than the length of the second connecting rod.
In an embodiment of the present invention, the first clamping pliers includes a clamping body, a crab pliers clamp and an adjusting rod, the crab pliers clamp includes a first clamping body and a second clamping body, and one end of the first clamping body and one end of the second clamping body are fixed on the clamping body; adjust the pole and be positive and negative threaded rod, it will to adjust the pole through the screw thread first clamp and second clamp connect as an organic wholely.
In an embodiment of the present invention, the first clip body and the second clip body are provided with corresponding diamond windows.
In an embodiment of the present invention, the diamond window is provided with a reticulated rubber sheet.
Compared with the prior art, the technical scheme of the utility model have following advantage:
1. the utility model discloses rotate and help and twist the handle, because help and twist the handle and be connected with drive nut, drive nut and first connecting piece fixed connection, make first connecting piece remove to second connecting piece direction, because first connecting piece is connected with the head rod, the head rod is connected with first centre gripping pincers, make the centre gripping pincers of centre gripping air spring upper end also remove downwards, accomplish the compression work of air spring, can accomplish the compression of air spring alone, improve work efficiency, whole frock design is simple, the preparation is easy, and is with low costs.
2. The utility model discloses crab forceps holder adopts the rhombus window, is equipped with reticulation rubber on the rhombus window, can improve the frictional force of centre gripping to reduce the centre gripping and keep silent the mar to being pressed from both sides gas spring surface production.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a gas spring compression device according to the present invention.
Fig. 2 is a schematic view of the clamping mechanism of the present invention.
The specification reference numbers indicate: 1-a second connector; 2-a first connecting member; 3-a first connecting rod; 4-a second connecting rod; 5-a first holding clamp; 6-second holding forceps; 7-a gas spring; 8-screwing assisting handle; 9-a drive nut; 10-a drive screw; 11-a guide bar; 12-a clamping body; 13-crab clamping; 14-adjusting the rod; 15-reticulated rubber skin.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, in order to provide reliable clamping when the metro vehicle air spring 7 is repaired and replaced and ensure that the air spring 7 is kept in a fixed-length compression state, the utility model discloses a first connecting piece 2 and a second connecting piece 1, a driving nut 9 is fixedly connected to one side of the first connecting piece 2, the driving nut 9 is in threaded connection with a driving screw 10, one end of the driving screw 10 penetrates through the first connecting piece 2, and the other end is fixedly connected to one side of the second connecting piece 1;
a first connecting rod 3 fixedly connected with the first connecting piece 2 is arranged on one side of the first connecting piece 2 away from the transmission nut 9, and a first clamping clamp 5 is arranged on the first connecting rod 3; a second connecting rod 4 is arranged below the second connecting piece 1, the second connecting rod 4 corresponds to the first connecting rod 3, and a second clamping clamp 6 is arranged on the second connecting rod 4.
The transmission screw 10 is vertically connected between the second connecting piece 1 and the first connecting piece 2, the first connecting rod 3 is vertically connected with the first connecting piece 2, and the second connecting rod 4 is vertically connected with the second connecting piece 1.
Specifically, a transmission nut 9 and a first connecting rod 3 are arranged above the first connecting piece 2, one end of a transmission screw rod 10 penetrates through the first connecting piece 2 and is connected with the transmission nut 9 located above the first connecting piece 2, and the transmission nut 9 is matched with the transmission screw rod 10. The other end of the drive screw 10 is fixedly connected above the second connecting piece 1, one part of the drive screw 10 is positioned between the first connecting piece 2 and the second connecting piece 1, and the other part is positioned above the first connecting piece 2. A first connecting rod 3 is arranged above the first connecting piece 2, one end of the first connecting rod 3 is fixedly connected with the first connecting piece 2, and the other end of the first connecting rod is fixedly connected with a first clamping pliers 5. A second connecting rod 4 is arranged below the second connecting piece 1, one end of the second connecting rod 4 is fixedly connected with the second connecting piece 1, and the other end of the second connecting rod is fixedly connected with a second clamping clamp 6.
When the device is specifically implemented, the first clamping pincers 5 clamp a piston rod of the air spring 7, the second clamping pincers 6 clamp the position below a gas storage end of the air spring 7, the transmission nut 9 is provided with a screwing assisting handle 8 matched with the transmission nut 9, the transmission nut 9 vertically moves downwards along the direction of the transmission screw rod 10 by rotating the screwing assisting handle 8, and the first connecting piece 2 moves downwards along the direction of the transmission screw rod 10 due to the fact that the first connecting piece 2 is fixedly connected with the transmission nut 9; since the first connecting rod 3 is connected to the first connecting member 2, the first clamping pincers 5 are disposed on the first connecting rod 3, so that the piston rod of the gas spring 7 moves downward. Because the second connecting piece 1 is fixed and immovable, the second connecting piece 1 is connected with the second connecting rod 4 provided with the second clamping pincers 6, so that the gas storage end of the gas spring 7 is fixed and immovable, and the purpose of compressing the gas spring 7 is achieved.
Further, in order to make the first connecting part 2 move more stably, at least one guide rod 11 is arranged on the second connecting part 1, one end of the guide rod 11 is vertically connected with the second connecting part 1, and the other end of the guide rod 11 penetrates through the first connecting part 2.
Specifically, one or more guide rods 11 may be provided, and may be selected according to actual needs, and as shown in fig. 1, it is more preferable to provide one guide rod on each of two sides of the drive screw 10. When compressing the gas spring 7, the first connecting member 2 is moved downwards along the guide rod 11 to ensure the structural stability of the compression process.
Further, in order to protect the gas storage end and increase the structural stability of the compression device, the length of the first connecting rod 3 is smaller than that of the second connecting rod 4.
Specifically, for protecting the gas storage end of the gas spring 7, the second clamping pincers 6 clamp the position below the gas storage end, the lengths of the first connecting rod 3 and the second connecting rod 4 are matched with the size of the gas spring 7, the size can be selected according to actual needs, and the length of the first connecting rod 3 is smaller than the length of the second connecting rod 4, so that the structural stability of the compression device can be improved.
Further, the first clamping jaw 5 comprises a clamping body 12, a crab-jaw clamp 13 and an adjusting rod 14, the crab-jaw clamp 13 comprises a first clamping body and a second clamping body, and one end of the first clamping body and one end of the second clamping body are fixed on the clamping body 12; the adjusting rod 14 is a positive and negative threaded rod, and the adjusting rod 14 is connected between the first clamp body and the second clamp body through threads.
Specifically, as shown in fig. 2, when the first clamping pincers 5 clamp the piston rod of the gas spring 7, the opening size of the crab pincers 13 is adjusted through the adjusting rod 14, and when the adjusting rod 14 rotates, the first clamping body and the second clamping body move relatively along the adjusting rod 14 through threads, so as to open and close the crab pincers 13, which is specifically consistent with the prior art and well known to those skilled in the art, and is not described herein again. In specific implementation, the upper clamping body 12 is connected to the first connecting rod 3, a part of the crab clamp 13 is connected to the upper clamping body 12, and a part of the crab clamp extends out of the upper clamping body 12 to clamp the piston rod.
The embodiment of the utility model provides an in, crab pincers clamp 13 can adopt "C" type crab pincers clamp 13, but crab pincers clamp 13's centre gripping scope can be for phi 5 ~ phi 30 diameter specification pipe, specifically can select according to actual need to satisfy 7 purposes of centre gripping air spring, the particular case and the theory of operation of second centre gripping pincers 6 are unanimous with first centre gripping pincers 5, and here is no longer repeated.
Furthermore, the first clamp body and the second clamp body are provided with corresponding diamond-shaped windows, and the diamond-shaped windows are provided with reticulated rubber sheets 15.
Generally, the piston rod and the gas storage end of the gas spring 7 are both cylinders, and compared with an arc-shaped window matched with the gas spring 7, the diamond-shaped window has a better clamping effect; and a reticulate rubber 15 is arranged on the diamond window to improve the friction force of clamping and reduce scratches generated on the surface of the clamped spring 7 by a clamping jaw.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (8)
1. A gas spring compression device for a metro vehicle is characterized in that; the screw driving mechanism comprises a first connecting piece and a second connecting piece, wherein a transmission nut is fixedly connected to one side of the first connecting piece, the transmission nut is connected with a transmission screw rod through threads, one end of the transmission screw rod penetrates through the first connecting piece, and the other end of the transmission screw rod is fixedly connected with one side of the second connecting piece;
a first connecting rod fixedly connected with the first connecting piece is arranged on one side of the first connecting piece away from the transmission nut, and a first clamping clamp is arranged on the first connecting rod; and a second connecting rod is arranged below the second connecting piece, corresponds to the first connecting rod and is provided with a second clamping clamp.
2. The gas spring compression device for a metro vehicle according to claim 1, wherein: the transmission screw rod is vertically connected between the second connecting piece and the first connecting piece, the first connecting rod is vertically connected with the first connecting piece, and the second connecting rod is vertically connected with the second connecting piece.
3. The gas spring compression device for a subway vehicle as claimed in claim 1, wherein: at least one guide rod is arranged on the second connecting piece, one end of the guide rod is vertically connected with the second connecting piece, and the other end of the guide rod penetrates through the first connecting piece.
4. The gas spring compression device for a subway vehicle as claimed in claim 1, wherein: and the transmission nut is provided with a twisting assisting handle matched with the transmission nut.
5. The gas spring compression device for a subway vehicle as claimed in claim 1, wherein: the length of the first connecting rod is smaller than that of the second connecting rod.
6. The gas spring compression device for a subway vehicle as claimed in claim 1, wherein: the first clamping pliers comprise clamping bodies, crab pliers clamps and adjusting rods, the crab pliers clamps comprise first clamping bodies and second clamping bodies, and one ends of the first clamping bodies and one ends of the second clamping bodies are fixed on the clamping bodies; the adjusting rod is a positive and negative threaded rod and is connected with the first clamp body and the second clamp body into a whole through threads.
7. The gas spring compression device for a subway vehicle as claimed in claim 6, wherein: and the first clamp body and the second clamp body are provided with corresponding rhombic windows.
8. The gas spring compression device for a subway vehicle according to claim 7, wherein: and a reticulate rubber is arranged on the diamond window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222252349.7U CN218226464U (en) | 2022-08-25 | 2022-08-25 | Gas spring compression device for metro vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222252349.7U CN218226464U (en) | 2022-08-25 | 2022-08-25 | Gas spring compression device for metro vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218226464U true CN218226464U (en) | 2023-01-06 |
Family
ID=84684267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222252349.7U Active CN218226464U (en) | 2022-08-25 | 2022-08-25 | Gas spring compression device for metro vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218226464U (en) |
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2022
- 2022-08-25 CN CN202222252349.7U patent/CN218226464U/en active Active
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