CN220378576U - On-orbit pusher jack capable of implementing preferential pressurization - Google Patents
On-orbit pusher jack capable of implementing preferential pressurization Download PDFInfo
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- CN220378576U CN220378576U CN202322057442.7U CN202322057442U CN220378576U CN 220378576 U CN220378576 U CN 220378576U CN 202322057442 U CN202322057442 U CN 202322057442U CN 220378576 U CN220378576 U CN 220378576U
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- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 111
- 239000010720 hydraulic oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses an on-orbit pushing machine capable of implementing preferential pressurization, which comprises an oil tank, a reversing valve connected with the oil tank through a pipeline, an oil cylinder connected with the reversing valve through a pipeline, and a clamping device, and is characterized by also comprising a preferential pressurization valve arranged on a pipeline for connecting the reversing valve with the oil cylinder and a pipeline for connecting the reversing valve with the clamping device, wherein a first overflow valve and a second overflow valve are also arranged on the pipeline between the preferential pressurization valve and the oil cylinder; the preferential pressurizing valve is arranged on the pipeline, when a heavy object is required to be pushed, the oiling speed of the clamping device is required to be preferential to the oil cylinder, so that the clamping device is ensured to be stably arranged on the track; when the clamping device and the oil cylinder are tightened, the oil unloading speed of the clamping device also takes precedence over the oil cylinder, so that the clamping device is ensured to be loosened in advance to be connected with the track when the oil cylinder is recovered, the damage of the oil cylinder or the clamping device is avoided, and the service life of equipment is prolonged.
Description
Technical Field
The utility model relates to the technical field of on-track pushing machines, in particular to an on-track pushing machine capable of implementing preferential pressurization.
Background
The on-orbit pusher is a pusher for short, and consists of two parts, namely a clamping device and an oil cylinder. The device is an effective tool for mounting and positioning the heavy objects in a short distance, and has the advantages of large bearing capacity, good stability, continuous movement and the like, so that the device can replace the traditional moving method such as sleeper rolling bars and the like used in the prior domestic heavy object moving in an effective working range, thereby achieving the effects of safety, labor saving, time saving and money saving; however, when the existing pusher jack moves continuously, the oil injection and oil return of the clamp and the oil cylinder are operated synchronously, and the following defects exist: 1. when the oil cylinder is ready to push a heavy object, oil is injected into the clamp and the oil cylinder at the same time, and often the clamp is pushed forward under the condition that the clamp is not completely clamped, so that the position which is supposed to be clamped originally is offset backward, the forward pushing stroke of the oil cylinder is shortened, and the integral pushing stroke is influenced; 2. when the oil cylinder and the clamping device are recovered, the oil cylinder and the clamping device discharge oil at the same time, and as one end of the oil cylinder is connected with the heavy object, when the clamping device is not completely loosened, the oil cylinder is already driven to move the clamping device forwards by action, so that the risk of damage of the oil cylinder or the damage of the clamping device exists; it is therefore necessary to provide an on-track pusher machine which can be pressurized with priority.
Disclosure of Invention
The present utility model is directed to solving the above problems and provides an on-track pusher machine capable of performing preferential pressurization.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hydraulic oil pump is characterized by further comprising a priority pressurizing valve arranged on a pipeline for connecting the reversing valve with the oil cylinder and a pipeline for connecting the reversing valve with the clamp, and a first overflow valve and a second overflow valve are further arranged on the pipeline between the priority pressurizing valve and the oil cylinder.
Preferably, the valve body is provided with a pressure regulating component matched with the first oil outlet, the second oil outlet, the first oil return port and the second oil return port.
Preferably, the pressure regulating assembly comprises a first elastic piston which is arranged on the valve body and used for realizing the on-off of the first oil outlet and the first oil return port, and a second elastic piston which is arranged on the valve body and used for realizing the on-off of the second oil outlet and the second oil return port, and the elastic compression ratio of the second elastic piston is larger than that of the first elastic piston.
Preferably, the first elastic piston comprises a first bolt, a first spring and a first ball valve, wherein the first bolt is installed on the valve body, the first spring is installed on the first bolt, and the first ball valve is installed on the first spring; the second elastic piston comprises a second bolt arranged on the valve body, a second spring arranged on the second bolt and a second ball valve arranged on the second spring.
Preferably, an oil pump and a third overflow valve which are connected with the reversing valve through pipelines are arranged in the oil tank.
The utility model has the beneficial effects that: the preferential pressurizing valve is arranged on the pipeline, when a heavy object is required to be pushed, the oiling speed of the clamping device is required to be preferential to the oil cylinder, so that the clamping device is ensured to be stably arranged on the track; when the clamping device and the oil cylinder are tightened, the oil unloading speed of the clamping device also takes precedence over the oil cylinder, so that the clamping device is ensured to be loosened in advance to be connected with the track when the oil cylinder is recovered, the damage of the oil cylinder or the clamping device is avoided, and the service life of equipment is prolonged;
through the arrangement and the matching of the first elastic piston and the second elastic piston, after hydraulic oil enters from the oil inlet, more hydraulic oil rapidly flows into the clamp from the second oil outlet due to the fact that the elastic compression ratio of the second elastic piston is larger than that of the first elastic piston, and the clamp is rapidly clamped with the track; in the oil return process, the hydraulic oil on the clamping device returns to the oil 1 from the second oil return port faster, so that the preferential pressurization is realized.
Drawings
FIG. 1 is a system diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the preferred pressurization valve of the present utility model;
FIG. 3 is a schematic top view of a priority pressurization valve of the present utility model.
The marks in the figure are as follows: 1 tank, 11 first relief valve, 12 second relief valve, 13 oil pump, 14 third relief valve, 2 reversing valve, 3 oil cylinder, 4 clamp, 5 priority pressurization valve, 51 valve body, 52 oil inlet, 53 first oil outlet, 54 second oil outlet, 55 first oil return port, 56 second oil return port, 6 first elastic piston, 61 first bolt, 62 first spring, 63 first ball valve, 7 second elastic piston, 71 second bolt, 72 second spring, 73 second ball valve, 61 first adjusting screw, 62 second adjusting screw, 63 first spring, 64 second spring, 65 first piston, 66 second piston.
Detailed Description
The utility model is further described below by way of example with reference to the accompanying drawings, in which an on-track pusher machine is described which can be subjected to preferential pressurization.
Referring to fig. 1 to 3, the utility model provides an on-track pusher jack capable of implementing preferential pressurization, which comprises an oil tank 1, a reversing valve 2 connected with the oil tank 1 through a pipeline, an oil cylinder 3 connected with the reversing valve 2 through a pipeline, and a clamp 4, and is characterized by also comprising a preferential pressurization valve 5 arranged on a pipeline connecting the reversing valve 2 with the oil cylinder 3 and a pipeline connecting the reversing valve 2 with the clamp 4, wherein a first overflow valve 11 and a second overflow valve 12 are also arranged on the pipeline between the preferential pressurization valve 5 and the oil cylinder 3, and an oil pump 13 and a third overflow valve 14 connected with the reversing valve 2 through pipelines are arranged in the oil tank 1; by arranging a preferential pressurizing valve 5 on the pipeline, when a heavy object is required to be pushed, the oiling speed of the clamp 4 is preferential to that of the oil cylinder 3, so that the clamp 4 is ensured to be stably arranged on a track; when the clamping device 4 and the oil cylinder 3 are tightened, the oil unloading speed of the clamping device 4 also takes precedence over the oil cylinder 3, so that the clamping device 4 is ensured to be loosened in advance to be connected with a rail when the oil cylinder 3 is recovered, the damage of the oil cylinder 3 or the clamping device 4 is avoided, and the service life of equipment is prolonged.
The priority pressurizing valve 5 comprises a valve body 51, an oil inlet 52, a first oil outlet 53, a second oil outlet 54, a first oil return port 55 and a second oil return port 56 which are arranged on the valve body 51 and are communicated with the oil inlet 52, a pressure regulating component matched with the first oil outlet 53, the second oil outlet 54, the first oil return port 55 and the second oil return port 56 is arranged on the valve body 51, the pressure regulating component comprises a first elastic piston 6 which is arranged on the valve body 51 and is used for switching on and off the first oil outlet 53 and the first oil return port 55, a second elastic piston 7 which is arranged on the valve body 51 and is used for switching on and off the second oil outlet 54 and the second oil return port 56, the elastic compression ratio of the second elastic piston 7 is larger than that of the first elastic piston 6, and the first elastic piston 6 comprises a first bolt 61 which is arranged on the valve body 51 through threads, a first spring 62 which is arranged on the first bolt 61 through welding, and a first spring 63 which is arranged on the first spring 62 through welding; the second elastic piston 7 includes a second bolt 71 screw-mounted on the valve body 51, a second spring 72 welded on the second bolt 71, and a second ball valve 73 welded on the second spring 72; through the arrangement and the matching of the first elastic piston 6 and the second elastic piston 7, after hydraulic oil enters from the oil inlet 52, more hydraulic oil rapidly flows into the clamp 4 from the second oil outlet 54 due to the fact that the elastic compression ratio of the second elastic piston 7 is larger than that of the first elastic piston 6, so that the clamp 4 is rapidly clamped with a track; during the return of the hydraulic oil from the clamping device 4 from the second return opening 56 back into the tank 1 more quickly, whereby a preferential pressurization is achieved.
When the hydraulic oil pump is used, the priority pressurizing valve 5 is firstly arranged in a pipeline shown in fig. 1, the oil inlet 52 of the priority pressurizing valve 5 is connected with the reversing valve 2, the first oil outlet 53 is connected with the oil inlet pipeline of the oil cylinder 3, the first oil return port 55 is connected with the oil outlet pipeline of the oil cylinder 3, the second oil outlet 54 is connected with the oil inlet pipeline of the clamp 4, and the second oil return port 56 is connected with the oil outlet pipeline of the clamp 4;
when the on-track pusher pushes a heavy object, the reversing valve 2 is switched to the left side, at the moment, the oil pump 13 flows hydraulic oil in the oil tank 1 from the oil inlet 52 through the reversing valve 2, the hydraulic oil enters the valve body 1 from the oil inlet 52, the second ball valve 73 compresses the second spring 72 due to the fact that the compression ratio of the second elastic piston 7 is larger than that of the first elastic piston 6, so that the oil inlet 52 is communicated with the second oil outlet 54, the hydraulic oil enters the clamping device 4, meanwhile, the hydraulic oil on the oil outlet pipeline of the clamping device 4 flows back into the second oil return port 56 and presses the second ball valve 73, the second ball valve 73 presses the second spring 72, the second oil return port 56 is communicated with the oil inlet 52, and the returned hydraulic oil is enabled to quickly return to the oil tank 1; after the clamping device 4 is fixed on the track, hydraulic oil is extruded to a first ball valve 63, the first ball valve 63 is extruded to a first spring 62 so as to be communicated with the oil inlet 52 and the first oil inlet 53, at the moment, the hydraulic oil passes through the first overflow valve 11 and then enters the oil cylinder 3, meanwhile, hydraulic oil on an oil outlet pipeline of the oil cylinder 3 flows back into the first oil return port 55 and is extruded to the first ball valve 63, the first ball valve 63 is extruded to the first spring 62 so as to be communicated with the first oil return port 55 and the oil inlet 52, and thus the returned hydraulic oil is quickly returned to the oil tank 1, and the oil cylinder 3 is used for pushing a heavy object to move forwards; when the on-track pusher jack pushes the weight forwards, the reversing valve 2 is switched to the right side, and at the moment, the oil pump 13 flows hydraulic oil in the oil tank 1 from the oil inlet 52 through the reversing valve 2 by virtue of a pipeline, and because the compression ratio of the second elastic piston 7 is larger than that of the first elastic piston 6, the hydraulic oil preferentially enters the clamping device 4, so that the clamping device 4 is quickly released from a track, then the hydraulic oil enters the oil cylinder 3 again, the oil cylinder 3 is retracted, and the oil cylinder 3 drives the clamping device 4 to move forwards along the track when retracted, so that the stepping forward pushing of the weight is realized.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The utility model provides an on-orbit pushing machine that can implement priority pressurization, includes oil tank (1), with switching-over valve (2) of oil tank (1) through pipe connection, with switching-over valve (2) through the hydro-cylinder (3) and the clamp (4) of pipe connection, characterized by still including installing priority pressurization valve (5) on switching-over valve (2) and hydro-cylinder (3) connecting line and switching-over valve (2) and clamp (4) connecting line, the pipeline between priority pressurization valve (5) and hydro-cylinder (3) on still install first overflow valve (11) and second overflow valve (12).
2. An on-track pusher machine capable of implementing preferential pressurization according to claim 1, characterized in that: the priority pressurizing valve (5) comprises a valve body (51), an oil inlet (52) arranged on the valve body (51), a first oil outlet (53) communicated with the oil inlet (52), a second oil outlet (54), a first oil return port (55) and a second oil return port (56), wherein the valve body (51) is provided with a pressure regulating component matched with the first oil outlet (53), the second oil outlet (54), the first oil return port (55) and the second oil return port (56).
3. An on-track pusher machine capable of implementing preferential pressurization according to claim 2, characterized in that: the pressure regulating assembly comprises a first elastic piston (6) which is arranged on the valve body (51) and used for realizing the on-off of the first oil outlet (53) and the first oil return port (55), and a second elastic piston (7) which is arranged on the valve body (51) and used for realizing the on-off of the second oil outlet (54) and the second oil return port (56), wherein the elastic compression ratio of the second elastic piston (7) is larger than that of the first elastic piston (6).
4. An on-track pusher machine capable of implementing preferential pressurization according to claim 3, characterized in that: the first elastic piston (6) comprises a first bolt (61) arranged on the valve body (51), a first spring (62) arranged on the first bolt (61) and a first ball valve (63) arranged on the first spring (62); the second elastic piston (7) comprises a second bolt (71) arranged on the valve body (51), a second spring (72) arranged on the second bolt (71) and a second ball valve (73) arranged on the second spring (72).
5. An on-track pusher machine capable of implementing preferential pressurization according to claim 1, characterized in that: an oil pump (13) and a third overflow valve (14) which are connected with the reversing valve (2) through pipelines are arranged in the oil tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057442.7U CN220378576U (en) | 2023-08-02 | 2023-08-02 | On-orbit pusher jack capable of implementing preferential pressurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057442.7U CN220378576U (en) | 2023-08-02 | 2023-08-02 | On-orbit pusher jack capable of implementing preferential pressurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378576U true CN220378576U (en) | 2024-01-23 |
Family
ID=89571350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322057442.7U Active CN220378576U (en) | 2023-08-02 | 2023-08-02 | On-orbit pusher jack capable of implementing preferential pressurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378576U (en) |
-
2023
- 2023-08-02 CN CN202322057442.7U patent/CN220378576U/en active Active
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