CN216950830U - Fracturing pump truck hydraulic end plunger copper sheathing - Google Patents
Fracturing pump truck hydraulic end plunger copper sheathing Download PDFInfo
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- CN216950830U CN216950830U CN202220504731.XU CN202220504731U CN216950830U CN 216950830 U CN216950830 U CN 216950830U CN 202220504731 U CN202220504731 U CN 202220504731U CN 216950830 U CN216950830 U CN 216950830U
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- fracturing pump
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Abstract
The utility model provides a hydraulic end plunger copper sleeve of a fracturing pump truck, which belongs to the technical field of plunger copper sleeves and comprises a copper sleeve body, wherein an oil injection port is formed in the circumferential surface of the copper sleeve body, a flow passage is formed in the copper sleeve body, a sealing device is arranged in the flow passage, and the sealing device is positioned at the port of the flow passage and close to the inner wall of the copper sleeve body.
Description
Technical Field
The utility model relates to a copper sleeve of a plunger piston at a hydraulic end of a fracturing pump truck.
Background
The plunger pump is one of common components in engineering hydraulic equipment, the performance of the plunger pump directly influences the working reliability of various mechanical equipment, and the lubricating performance and the sealing performance of a plunger-copper bush friction pair are key factors influencing the working quality of the plunger pump. In the actual working process, the plunger-copper sleeve pair can ensure the normal and stable work of the plunger pump by ensuring both sufficient lubricity and good tightness. In recent years, the application of non-smooth surface features has a remarkable effect on improving the lubricity between friction pairs and influencing the flowing behavior of hydraulic oil between the friction pairs, and many existing researches apply the non-smooth surface features between a plunger piston-copper sleeve pair so as to improve the working performance of the plunger piston-copper sleeve pair.
However, the existing copper sleeve has high friction density with the plunger, and the plunger is easy to be scratched after long-time work. The copper jacket is prone to cracking. The oiling effect is poor, can not satisfy in time for copper sheathing and plunger cooling, shines packing assembly damage easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a copper sleeve of a hydraulic end plunger of a fracturing pump truck, aiming at solving the problems of high friction density and poor oil injection effect of the existing copper sleeve.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a fracturing pump truck fluid end plunger copper sheathing, includes the copper sheathing body, the oiling mouth has been seted up to copper sheathing body periphery, the runner has been seted up in the copper sheathing body, install sealing device in the runner, sealing device is located the port of runner, and is close to copper sheathing body inner wall.
As a further description of the above technical solution:
the mounting groove has been seted up to copper sheathing body up end, the mounting groove is V type shape, and the during operation can be convenient for the installation to the copper sheathing through the effect at the mounting groove down, and the resistance when the mounting groove of V type shape has also reduced the copper sheathing installation simultaneously.
As a further description of the above technical solution:
first recess and second recess have been seted up to copper sheathing body inner wall, first recess runs through with the second recess, first recess is the annular shape, second recess direction is along the axial of copper sheathing body, and the during operation can reduce the friction of plunger when removing through the effect at first recess and second recess.
As a further description of the above technical solution:
oiling mouth and runner link up, and the runner link up with first recess and second recess simultaneously, oiling mouth evenly distributed is in the a week of copper sheathing body, and the during operation through under the effect at the oiling mouth, can be so that lubricating oil enters into the runner along the oiling mouth in, then enters into first recess and second recess along the runner in, so just so be convenient for lubricating oil enter into in the copper sheathing.
As a further description of the above technical solution:
the sealing device comprises a fixing frame, a sealing plate, an arc groove, a fixing shaft and a torsion spring, the fixing frame is fixedly connected in the flow channel, the arc groove is formed in the surface of the fixing frame, the fixing shaft is rotatably connected in the arc groove, the sealing plate is fixedly connected with the circumferential surface of the fixing shaft, and the sealing plate can be extruded to be opened along with the entering of lubricating oil during working, so that the lubricating oil can enter between the copper sleeve and the plunger.
As a further description of the above technical solution:
the sealing plate is fixedly connected with the fixing frame through the circumferential surface of the fixing shaft, one end, far away from the sealing plate, of the torsion spring is fixedly connected with the fixing frame, and when lubricating oil is not injected during work, the sealing plate can be closed under the action of the torsion spring, so that the lubricating oil can be prevented from flowing back.
The utility model has the beneficial effects that:
1. through under the cooperation of first recess and second recess, can reduce the friction density between plunger and the copper sheathing, when carrying out the plunger removal like this to can reduce the friction between plunger and the copper sheathing, just so can increase the life of copper sheathing.
2. Through under the cooperation at oiling mouth, runner and sealing device, when carrying out lubricating oil filling, at this moment lubricating oil can enter into the runner along the oiling mouth in, then just can open sealed lid under the pressure of lubricating oil, lubricating oil will enter into between plunger and the copper sheathing like this, when not carrying out the lubricating oil filling under sealing device's effect simultaneously, can prevent that lubricating oil from going back, just so can make the removal between plunger and the copper sheathing more convenient.
Drawings
In order to more clearly show a hydraulic end plunger copper sleeve of a fracturing pump truck, the following drawings are shown;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a front view cross section of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic disassembled structure of the sealing device of the present invention;
fig. 5 is an enlarged view of portion B of fig. 4 according to the present invention.
Wherein the reference numbers in the figures;
1. a copper bush body; 2. an oil filling port; 3. mounting grooves; 4. a first groove; 5. a second groove; 6. a flow channel; 7. a sealing device; 701. a fixing frame; 702. sealing plates; 703. an arc groove; 704. a fixed shaft; 705. a torsion spring.
Detailed Description
Referring to fig. 1-5, a copper sleeve for a hydraulic plunger of a fracturing pump truck comprises a copper sleeve body 1, an oil injection port 2 is formed in the circumferential surface of the copper sleeve body 1, a flow passage 6 is formed in the copper sleeve body 1, a sealing device 7 is installed in the flow passage 6, and the sealing device 7 is located at the port of the flow passage 6 and is close to the inner wall of the copper sleeve body 1.
As a further embodiment of the above technical solution:
As a further embodiment of the above technical solution:
As a further embodiment of the above technical solution:
oiling mouth 2 and runner 6 link up, and runner 6 link up with first recess 4 and second recess 5 simultaneously, and 2 evenly distributed of oiling mouth are in the a week of copper sheathing body 1, and the during operation through under the effect at oiling mouth 2, can be so that lubricating oil enters into runner 6 along oiling mouth 2, then enters into first recess 4 and second recess 5 along runner 6 in, so just be convenient for lubricating oil enter into the copper sheathing.
As a further embodiment of the above technical solution:
the sealing device 7 comprises a fixing frame 701, a sealing plate 702, an arc groove 703, a fixing shaft 704 and a torsion spring 705, the fixing frame 701 is fixedly connected in the flow channel 6, the arc groove 703 is formed in the surface of the fixing frame 701, the fixing shaft 704 is rotatably connected in the arc groove 703, the sealing plate 702 is fixedly connected with the circumferential surface of the fixing shaft 704, and when the sealing device works, the sealing plate 702 is squeezed to be opened along with the entering of lubricating oil, so that the lubricating oil can enter between the copper bush and the plunger.
As a further embodiment of the above technical solution:
the torsion spring 705 is fixedly connected with the circumferential surface of the fixed shaft 704, one end of the torsion spring 705 far away from the sealing plate 702 is fixedly connected with the fixed frame 701, and when lubricating oil is not injected during operation, the sealing plate 702 can be closed under the action of the torsion spring 705, so that the lubricating oil can be prevented from flowing back.
The working principle is as follows:
when the plunger piston is used, when lubricating oil is filled, the lubricating oil enters the flow channel 6 from the filling port, then the flow channel 6 is filled with the lubricating oil, a certain pressure is reached in the flow channel 6, the sealing plate 702 can be opened under the action of the pressure, and then the lubricating oil enters the first groove 4 and the second groove 5 to fill the first groove 4 and the second groove 5, so that the plunger piston can move in the copper bush conveniently, when a certain amount of lubricating oil is filled, the filling of the lubricating oil is stopped, and then the sealing cover can be closed under the action of the torsion spring 705, so that the lubricating oil can be prevented from flowing back, and the sliding of the plunger piston in the copper bush can be more convenient.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The utility model is not limited to the precise arrangements that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (6)
1. The utility model provides a fracturing pump truck hydraulic end plunger copper sheathing, includes copper sheathing body (1), its characterized in that: oiling mouth (2) have been seted up to copper sheathing body (1) periphery, seted up runner (6) in copper sheathing body (1), install sealing device (7) in runner (6), sealing device (7) are located the port of runner (6), and are close to copper sheathing body (1) inner wall.
2. The copper sleeve for the hydraulic end plunger of the fracturing pump truck as claimed in claim 1, wherein: mounting groove (3) have been seted up to copper sheathing body (1) up end, mounting groove (3) are V type shape.
3. The fracturing pump truck fluid end plunger copper sheathing of claim 1, characterized in that: first recess (4) and second recess (5) have been seted up to copper sheathing body (1) inner wall, first recess (4) run through with second recess (5), first recess (4) are the annular shape, second recess (5) direction is along the axial of copper sheathing body (1).
4. The fracturing pump truck fluid end plunger copper sheathing of claim 3, characterized in that: oiling mouth (2) link up with runner (6), and runner (6) link up with first recess (4) and second recess (5) simultaneously, oiling mouth (2) evenly distributed is in a week of copper sheathing body (1).
5. The copper sleeve for the hydraulic end plunger of the fracturing pump truck as claimed in claim 1, wherein: the sealing device (7) comprises a fixing frame (701), a sealing plate (702), an arc groove (703), a fixing shaft (704) and a torsion spring (705), the fixing frame (701) is fixedly connected in the flow channel (6), the arc groove (703) is formed in the surface of the fixing frame (701), the fixing shaft (704) is rotatably connected in the arc groove (703), and the sealing plate (702) is fixedly connected to the circumferential surface of the fixing shaft (704).
6. The fracturing pump truck fluid end plunger copper sheathing of claim 5, characterized in that: the circumferential surface of the fixed shaft (704) is fixedly connected with a torsion spring (705), and one end, far away from the sealing plate (702), of the torsion spring (705) is fixedly connected with the fixed frame (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504731.XU CN216950830U (en) | 2022-03-08 | 2022-03-08 | Fracturing pump truck hydraulic end plunger copper sheathing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504731.XU CN216950830U (en) | 2022-03-08 | 2022-03-08 | Fracturing pump truck hydraulic end plunger copper sheathing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950830U true CN216950830U (en) | 2022-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220504731.XU Active CN216950830U (en) | 2022-03-08 | 2022-03-08 | Fracturing pump truck hydraulic end plunger copper sheathing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950830U (en) |
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2022
- 2022-03-08 CN CN202220504731.XU patent/CN216950830U/en active Active
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