CN211314686U

CN211314686U - Portable supercharging device for hydraulic support pulling shaft

Info

Publication number: CN211314686U
Application number: CN201922367573.9U
Authority: CN
Inventors: 李攀攀; 邵玉娥; 吕园园; 杨团圆; 黄泉清; 刘玉亮; 刘润平; 栗靖; 高震; 朱明普; 陈浩
Original assignee: Zhengzhou Suda Industrial Machinery Service Co ltd
Current assignee: Zhengzhou Suda Industrial Machinery Service Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-21
Anticipated expiration: 2029-12-25

Abstract

The utility model belongs to the technical field of supercharging device, specifically disclose a hydraulic support pulls out a portable supercharging device for axle, including the frame, be located the wheel of frame bottom, the frame top is provided with supercharging device and holds the chamber, supercharging device holds the intracavity and is provided with the supercharging device main part, the supercharging device main part includes a plurality of pilot operated check valves, relief valve and a two-way pressure boost hydro-cylinder, frame front portion top still is equipped with switching-over valves and manometer, the switching-over valves is connected with pilot operated check valves, two-way pressure boost hydro-cylinder passes through rubber tube and pilot operated check valves UNICOM, the relief valve passes through the tee bend and inserts the high-pressure chamber of pulling out the axletree ware, the manometer passes through the feed liquor chamber that the tee bend divides the access supercharging device main part and the high-pressure chamber of pulling out the axletree ware.

Description

Portable supercharging device for hydraulic support pulling shaft

Technical Field

The utility model belongs to the technical field of supercharging device, especially, relate to a hydraulic support pulls out axle and uses portable supercharging device.

Background

The existing hydraulic support disassembly pulling shaft is usually high-pressure liquid from a pump station, a disassembling worker inserts the high-pressure liquid into a shaft pulling device and then pulls the hinge shaft, the high pressure is needed during disassembly, the system pressure is gradually increased during disassembly of the support, so that the pressure is gradually increased to disassemble the hinge shaft, the pressure intensity of the existing disassembly mode depends on the pressure of the pump station, the pressure of a mine pump station is generally 31.5MPa and cannot meet the use requirement, the disassembly pressure needs to be gradually increased and adjustable in order to ensure the disassembly safety, and the movable pressurizing device is needed during working because the adjustment needs to be observed according to the specific conditions on site; the support is disassembled often under the conditions of inconvenient traffic and severe environments, so that the support has higher adaptability requirement and reliability requirement on products.

Disclosure of Invention

The utility model aims at providing a hydraulic support pulls out axle and uses portable supercharging device has convenient to carry, realizes disassembling pressure adjustable, strong adaptability's advantage through control manual reversing valve pressure boost time.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a hydraulic support pulls out axle and uses portable supercharging device, includes the frame, is located the wheel of frame bottom, the frame top is provided with supercharging device and holds the chamber, supercharging device holds the intracavity and is provided with the supercharging device main part, the supercharging device main part includes a plurality of liquid accuse check valves, relief valve and a two-way pressure boost hydro-cylinder, frame front portion top still is equipped with switching-over valves and manometer, the switching-over valves is connected with liquid accuse check valves, two-way pressure boost hydro-cylinder passes through rubber tube and liquid accuse check valves UNICOM, the relief valve passes through the tee bend and inserts the high-pressure chamber of pulling out the axletree ware, the manometer passes through the tee bend and inserts the feed liquor chamber of supercharging device main part respectively and the.

Furthermore, the reversing valve group is 4 groups and comprises a first reversing valve, a second reversing valve, a third reversing valve and a fourth reversing valve, wherein the four groups of reversing valves are neutral unloading three-position four-way valves, a first interface of the reversing valve is communicated with an upper cavity and a lower cavity of the shaft puller through a one-way lock, a second interface of the reversing valve is communicated with the two-way pressurizing oil cylinder through a plurality of hydraulic control one-way valve groups and is finally connected into a high-pressure loop, namely the upper cavity of the shaft puller, a third cavity of the reversing valve is connected with an unlocking port of the hydraulic control one-way valve group, the other cavity is provided with a metal block, and the four joints of the reversing valve.

Furthermore, two cavities, namely a first cavity and a second cavity, are arranged in the bidirectional pressurizing oil cylinder, the effective area ratio of the first cavity to the second cavity is 9:1, and two ends of the bidirectional pressurizing oil cylinder are fixedly connected with the accommodating cavity of the bidirectional pressurizing device through U-shaped buckles.

Further, the pilot operated check valve is 6, and 6 check valves are located two-way pressure boost hydro-cylinder upper portion respectively and hold chamber lateral wall fixed connection with supercharging device, first cavity and 2 pilot operated check valve UNICOMs, second cavity and 2 other pilot operated check valve UNICOMs pull out the axial organ and 1 pilot operated check valve UNICOM, and 1 remaining pilot operated check valve is for reserve, and supercharging device holds the chamber lateral wall and still is equipped with the rubber tube interface.

Furthermore, a rubber tube and a tool storage rack are arranged on the upper portion of the accommodating cavity of the pressurizing device, and the rubber tube and the tool storage rack are connected with the accommodating cavity of the pressurizing device through buckles.

The utility model has the advantages that: the utility model has the advantages of simple operation, it is portable convenient, pressure is adjustable, it is convenient to maintain, owing to adopted the valve for the hydraulic support, has made things convenient for the self-service maintenance of hydraulic support disassembly work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a hydraulic control schematic diagram of the present invention.

1. A frame; 2. a wheel; 3. a plenum housing cavity; 4. a hydraulic control check valve group; 5. a bidirectional booster cylinder; 6. a reversing valve group; 7. a hose and tool storage rack; 8. buckling; 9. a pressure gauge; 10. a safety valve; 11. a U-shaped buckle; 12. and (5) connecting the rubber tube.

Detailed Description

As shown in the figure, the portable supercharging device for the shaft pulling of the hydraulic support comprises a frame 1 and wheels 2 located at the bottom of the frame 1, a supercharging device containing cavity 3 is arranged above the frame 1, a supercharging device main body is arranged in the supercharging device containing cavity 3, the supercharging device main body comprises a plurality of hydraulic control one-way valve sets 4, a safety valve 10 and a two-way supercharging oil cylinder 5, a reversing valve set 8 and a pressure gauge 9 are further arranged above the front portion of the frame 1, the reversing valve set 6 is connected with the hydraulic control one-way valve sets 4, the two-way supercharging oil cylinder 5 is communicated with the hydraulic control one-way valve sets 4 through rubber tubes, the safety valve 10 is connected into a high-pressure cavity of the shaft pulling device through a three-way component, the pressure gauge 9 is respectively connected into a liquid inlet cavity of the supercharging device main body and the high-pressure cavity of the shaft pulling device through, The reversing valve III and the reversing valve IV are four groups of reversing valves, each of the four groups of reversing valves is a middle unloading type three-position four-way valve, a first interface of each reversing valve is communicated with an upper cavity and a lower cavity of the shaft puller through a one-way lock, a second interface of each reversing valve is communicated with the two-way pressurizing oil cylinder through a plurality of hydraulic control one-way valve sets and is finally connected into a high-pressure loop, namely the upper cavity of the shaft puller, a third cavity of each reversing valve is connected with an unlocking port of the hydraulic control one-way valve set, the other cavity of each reversing valve is installed and cannot be used for metal blocking, a fourth interface of each reversing valve is directly connected with a jack, two cavities, namely a first cavity and a second cavity, are arranged in the two-way pressurizing oil cylinder 5, the volume ratio of the first cavity to the second cavity is 9; the number of the hydraulic control one-way valves is 6, the 6 one-way valves are respectively positioned at the upper part of the two-way pressurizing oil cylinder 5 and fixedly connected with the side wall of the pressurizing device accommodating cavity 3, the first cavity is communicated with 2 hydraulic control one-way valves, the second cavity is communicated with the other 2 hydraulic control one-way valves, the shaft puller is communicated with 1 hydraulic control one-way valve of the rest two hydraulic control one-way valves, the last 1 hydraulic control one-way valve is reserved, and the side wall of the pressurizing device accommodating cavity is also provided with a rubber pipe interface 12; further, the upper part of the pressurizing device accommodating cavity 3 is provided with a rubber tube and tool storage rack 7, and the rubber tube and tool storage rack 7 is connected with the pressurizing device accommodating cavity 3 through a buckle 8.

When the shaft puller is particularly applicable, a shaft puller with a rod cavity is taken as an example, and the explanation is given by combining with fig. 3, wherein the port A is connected with a rodless cavity of the shaft puller, and the port B is connected with a rod cavity of the shaft puller. The reversing valve 1 is operated to feed liquid into the port A, and the rodless cavity of the shaft puller feeds liquid, so that the shaft puller rapidly extends out; after the shaft is connected with the shaft pulling device, the reversing valve 1 is operated to enable the liquid from the port B to enter the rod cavity, and the rod cavity is withdrawn to pull the shaft; when the pressure of the rod cavity is not enough to pull the shaft, the reversing valve 2 can be operated in a two-way mode to carry out pressurization operation, liquid flows to the pressurization cylinder, the pressure of the large cavity is far larger than that of the small cavity under the same pressure because the large cavity and the small cavity of the pressurization cylinder have a larger area difference (9: 1), the liquid in the small cavity can be compressed, the pressure of the liquid in the small cavity can be increased along with the increase of the pressure of the large cavity under the same pressure, the purpose of pressurization is achieved, the pipeline of the pressurization pipeline is the same as the opening B, the pressure of the rod cavity is increased, and the shaft pulling force of the shaft puller is increased along with the increase of the. The pressure gauge displays the shaft pulling pressure, and the safety valve prevents the shaft pulling pressure from being too high. The reversing valve 3 is connected to the unlocking ports of the valve 4 and the valve 5 through pipelines, and the high pressure of the port B is unlocked. The reversing valve 4 is directly connected with the C, D ports, and the C, D port is connected with the rod cavity and the rodless cavity of the jack, so that the function of extending and retracting the jack is achieved, and the operation can be carried out simultaneously with the shaft pulling operation.

Claims

1. The utility model provides a hydraulic support pulls out axle and uses portable supercharging device which characterized in that: the hydraulic booster comprises a frame and wheels arranged at the bottom of the frame, wherein a booster containing cavity is arranged above the frame, a booster main body is arranged in the booster containing cavity, the booster main body comprises a plurality of hydraulic control one-way valve sets, a safety valve and a two-way booster oil cylinder, a reversing valve set and a pressure gauge are further arranged above the front portion of the frame, the reversing valve set is connected with the hydraulic control one-way valve sets, the two-way booster oil cylinder is communicated with the hydraulic control one-way valve sets through a rubber tube, the safety valve is connected into a high-pressure cavity of a shaft puller through a three-way component, and the pressure gauge is respectively connected into a liquid inlet cavity of the booster main body and.

2. The portable pressurizing device for pulling the shaft of the hydraulic support as recited in claim 1, wherein: the reversing valve group is 4 groups and comprises a first reversing valve, a second reversing valve, a third reversing valve and a fourth reversing valve, wherein the four groups of reversing valves are neutral unloading type three-position four-way valves, a first interface of the reversing valve is communicated with an upper cavity and a lower cavity of the shaft puller through a one-way lock, a second interface of the reversing valve is communicated with the two-way pressurizing oil cylinder through a plurality of hydraulic control one-way valve groups and is finally connected into a high-pressure loop, namely, the upper cavity of the shaft puller, a third cavity of the reversing valve is connected with an unlocking port of the hydraulic control one-way valve group, the other cavity is provided with a metal plug for forbidden use, and.

3. The portable pressurizing device for pulling the shaft of the hydraulic support as recited in claim 2, wherein: the two-way supercharging oil cylinder is characterized in that two cavities, namely a first cavity and a second cavity, are arranged inside the two-way supercharging oil cylinder, the effective area ratio of the first cavity to the second cavity is 9:1, and two ends of the two-way supercharging oil cylinder are fixedly connected with a two-way supercharging device accommodating cavity through U-shaped buckles.

4. The portable pressurizing device for pulling the shaft of the hydraulic support as recited in claim 3, wherein: the hydraulic control check valve is 6, and 6 check valves are located two-way pressure boost hydro-cylinder upper portion respectively and hold chamber lateral wall fixed connection with supercharging device, first cavity and 2 hydraulic control check valve UNICOMs, second cavity and 2 other hydraulic control check valve UNICOMs pull out axle ware and 1 hydraulic control check valve UNICOM, and remaining 1 hydraulic control check valve is for reserve, and supercharging device holds the chamber lateral wall and still is equipped with the rubber tube interface.

5. The portable pressurizing device for pulling the shaft of the hydraulic support as recited in claim 4, wherein: the upper part of the accommodating cavity of the pressurizing device is provided with a rubber tube and a tool storage rack, and the rubber tube and the tool storage rack are connected with the accommodating cavity of the pressurizing device through a buckle.