CN219388143U - Seven jar plunger pump fluid end assemblies - Google Patents
Seven jar plunger pump fluid end assemblies Download PDFInfo
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- CN219388143U CN219388143U CN202320345780.8U CN202320345780U CN219388143U CN 219388143 U CN219388143 U CN 219388143U CN 202320345780 U CN202320345780 U CN 202320345780U CN 219388143 U CN219388143 U CN 219388143U
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- end assembly
- connecting pipe
- movable rod
- plunger pump
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Abstract
The utility model relates to the technical field of plunger pumps, in particular to a seven-cylinder plunger pump hydraulic end assembly, which comprises: the hydraulic end assembly is connected with a hydraulic end assembly, the hydraulic end assembly is connected with a cannula, the connecting pipe is connected with a positioning cylinder, and a movable rod, a telescopic spring and a fixed block are arranged inside the positioning cylinder; the beneficial effects are as follows: when the telescopic connecting pipe is installed, firstly, one end of the connecting pipe is inserted into the outer wall of the insertion pipe, meanwhile, a pulling force is applied to the movable rod outside the positioning cylinder, the fixed block is driven to extrude the telescopic spring, then the telescopic spring is contracted into the positioning cylinder, then the limiting block is connected with the limiting groove, finally, the force applied to the movable rod is removed, the fixed block is driven to be inserted into the fixing groove through the action of the telescopic spring, so that the fixed connection of the connecting pipe and the hydraulic end assembly is realized quickly, and in addition, when the telescopic connecting pipe is detached, the movable rod is pulled out of the insertion pipe directly, and quick detachment can be completed.
Description
Technical Field
The utility model relates to the technical field of plunger pumps, in particular to a seven-cylinder plunger pump hydraulic end assembly.
Background
In recent years, along with the development of shale gas supported by national policy, required fracturing equipment is developed towards the directions of high pressure, large discharge capacity, high reliability, stable work, compact structure and long service life so as to meet the requirements of fracturing operation of oil and gas fields. High-power, high-pressure, long-stroke plunger pumps have become a developing trend in the oil and gas exploitation industry.
Chinese patent CN 212717025U discloses a seven-cylinder plunger pump, the crankshaft of the seven-cylinder plunger pump has 7 bellcrank, the plunger has 7, the valve box has 7 cylinders, each piston corresponds to 1 cylinder valve box and reciprocates in the valve box, and each piston is powered by the rotation of 1 bellcrank. The beneficial effects are that: compared with a five-cylinder plunger pump under the working condition of the same rotating speed and stroke of the seven-cylinder structure, the seven-cylinder plunger pump has higher discharge capacity, higher pressure and lower discharge pulsation, and meets the requirement of large discharge capacity and high pressure of a well site.
However, the pipes on both sides of the fluid end in the above patent are fixedly installed through the flange plate, however, when the pipes are installed and removed, a plurality of bolts need to be screwed and loosened, so that the pipes and the fluid end assembly are inconvenient to install and remove quickly, and time and labor are wasted.
Disclosure of Invention
The utility model aims to provide a seven-cylinder plunger pump hydraulic end assembly, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a seven-cylinder plunger pump fluid end assembly comprising: the power end assembly and fluid end assembly, seven jar plunger pump fluid end assemblies include:
the power end assembly is connected with a hydraulic end assembly, and the side walls of the two ends of the hydraulic end assembly are respectively connected with a cannula; a kind of electronic device with high-pressure air-conditioning system
The connecting pipe is connected with the intubate, equal fixedly connected with location section of thick bamboo in outer wall both sides of connecting pipe, the inside of location section of thick bamboo is equipped with movable rod and expansion spring, the movable rod is connected with the fixed block.
Preferably, slots are formed in side walls of two sides, connected with the insertion pipe, of the hydraulic end assembly, limiting grooves are formed in two sides of the inner wall of each slot, and fixing grooves are formed in two sides of the outer wall of the insertion pipe.
Preferably, the limiting blocks are fixedly connected to two sides of the outer wall of one end of the connecting pipe, and the limiting blocks are connected with the limiting grooves.
Preferably, movable holes are formed between the side walls of each positioning cylinder connected with the connecting pipe, and through holes are formed in the middle of the side walls of each positioning cylinder far away from the connecting pipe.
Preferably, the movable rod is in a T shape, one end of the movable rod penetrates through the through hole to be fixedly connected with the side wall of the fixed block, and the other end of the fixed block penetrates through the movable hole to be connected with the fixed groove.
Preferably, the telescopic spring is sleeved on the outer wall of the movable rod.
Preferably, one end of the telescopic spring is fixedly connected with the side wall of the fixed block, and the other end of the telescopic spring is fixedly connected with the inner wall of the positioning cylinder far away from one end of the connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
when carrying out fixed connection with connecting pipe and fluid end assembly, firstly insert the connecting pipe with the one end of stopper on the outer wall of intubate, later inwards promote, exert pulling force to the outside movable rod of positioning cylinder, drive the fixed block and extrude telescopic spring, and then shrink to the positioning cylinder in the middle of, then insert the slot with the one end of connecting pipe, and be connected with the spacing groove with the stopper, remove the power of appling the movable rod at last, drive the fixed block through telescopic spring's effect and insert in the fixed groove, so that realize the fixed connection of connecting pipe and fluid end assembly fast, simultaneously through rubber pad (not drawing in the picture) on the connecting pipe lateral wall in order to prevent to appear rocking after connecting, in addition when dismantling, directly stimulate the movable rod and take out the connecting pipe from the intubate and can accomplish quick dismantlement.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a fluid end assembly according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;
fig. 4 is a schematic view of the internal structure of the positioning cylinder of the utility model.
In the figure: 1. a power end assembly; 2. a fluid end assembly; 3. a connecting pipe; 4. a cannula; 5. a fixing groove; 6. a slot; 7. a limit groove; 8. a limiting block; 9. a fixed block; 10. a positioning cylinder; 11. a movable rod; 12. a through hole; 13. a telescopic spring; 14. a movable hole.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: a seven-cylinder plunger pump fluid end assembly comprising: the power end assembly 1 and the hydraulic end assembly 2, the seven-cylinder plunger pump hydraulic end assembly comprises: the hydraulic end assembly 1 is connected with a hydraulic end assembly 2, and the side walls of the two ends of the hydraulic end assembly 2 are respectively connected with a cannula 4; the connecting pipe 3 is connected with the intubate 4, and the equal fixedly connected with of outer wall both sides of connecting pipe 3 is located a section of thick bamboo 10, and the inside of locating a section of thick bamboo 10 is equipped with movable rod 11 and expansion spring 13, and movable rod 11 is connected with fixed block 9.
When the connecting pipe 3 and the hydraulic end assembly 2 are fixedly connected, firstly, one end of the connecting pipe 3 with the limiting block 8 is inserted into the outer wall of the insertion pipe 4, then, when the connecting pipe is pushed inwards, a pulling force is applied to the movable rod 11 outside the positioning cylinder 10, the fixed block 9 is driven to extrude the telescopic spring 13, the telescopic spring is further contracted into the positioning cylinder 10, then, one end of the connecting pipe 3 is inserted into the slot 6, the limiting block 8 is connected with the limiting groove 7, finally, the force applied to the movable rod 11 is removed, the fixed block 9 is driven to be inserted into the fixed groove 5 through the action of the telescopic spring 13, so that the fixed connection of the connecting pipe 3 and the hydraulic end assembly 2 is realized quickly, meanwhile, shaking is prevented after the connecting pipe is connected through a rubber pad (not shown in the drawing), and in addition, when the connecting pipe 3 is disassembled, the connecting pipe 3 is pulled out from the insertion pipe 4 by directly pulling the movable rod 11.
Embodiment two:
on the basis of the first embodiment, in order to avoid shaking of the connecting pipe 3 after installation, slots 6 are formed in the side walls of the two sides of the hydraulic end assembly 2 connected with the insertion pipe 4, limit grooves 7 are formed in the two sides of the inner wall of each slot 6, and fixing grooves 5 are formed in the two sides of the outer wall of the insertion pipe 4; limiting blocks 8 are fixedly connected to two sides of the outer wall of one end of the connecting pipe 3, and the limiting blocks 8 are connected with limiting grooves 7.
One end of the connecting pipe 3 with the limiting block 8 is inserted into the outer wall of the insertion pipe 4, so that the limiting block 8 is connected with the limiting groove 7, and meanwhile, shaking is prevented after connection through a rubber pad (not shown in the figure) on the side wall of the connecting pipe 3.
Embodiment III:
on the basis of the first embodiment, in order to realize rapid installation and disassembly of the connecting pipe 3, a movable hole 14 is formed between the side wall of each positioning cylinder 10 connected with the connecting pipe 3, and a through hole 12 is formed in the middle of the side wall of each positioning cylinder 10 far away from the connecting pipe 3; the movable rod 11 is T-shaped, one end of the movable rod 11 passes through the through hole 12 to be fixedly connected with the side wall of the fixed block 9, and the other end of the fixed block 9 passes through the movable hole 14 to be connected with the fixed groove 5; the telescopic spring 13 is sleeved on the outer wall of the movable rod 11; one end of the telescopic spring 13 is fixedly connected with the side wall of the fixed block 9, and the other end of the telescopic spring 13 is fixedly connected with the inner wall of the positioning cylinder 10, which is far away from one end of the connecting pipe 3.
When carrying out fixed connection with connecting pipe 3 and fluid end assembly 2, firstly insert the one end that connecting pipe 3 had stopper 8 on the outer wall of intubate 4, exert pulling force to the outside movable rod 11 of positioning tube 10 simultaneously, drive fixed block 9 and extrude telescopic spring 13, and then shrink in the middle of the positioning tube 10, then be connected stopper 8 and spacing groove 7, remove the power of exerting movable rod 11 at last, drive fixed block 9 and insert in fixed slot 5 through telescopic spring 13's effect in order to realize the fixed connection of connecting pipe 3 and fluid end assembly 2 fast, in addition when dismantling, directly pull movable rod 11 and take connecting pipe 3 out from intubate 4 can accomplish quick dismantlement.
During the in-service use, when carrying out fixed connection with connecting pipe 3 and fluid end assembly 2, firstly, insert the one end that connecting pipe 3 had stopper 8 on the outer wall of intubate 4, later when pushing inwards, exert pulling force to the outside movable rod 11 of positioning tube 10, drive fixed block 9 and extrude telescopic spring 13, and then shrink in the middle of the positioning tube 10, then insert the one end of connecting pipe 3 in slot 6, and be connected stopper 8 and spacing groove 7, remove the power of exerting to movable rod 11 at last, drive fixed block 9 and insert fixed slot 5 in through telescopic spring 13's effect, in order to realize the fixed connection of connecting pipe 3 and fluid end assembly 2 fast, simultaneously through rubber pad (not drawing in the figure) on connecting pipe 3 lateral wall in order to prevent to appear rocking after the connection, in addition when dismantling, directly pulling movable rod 11 and extracting connecting pipe 3 from intubate 4 can accomplish quick dismantlement.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A seven-cylinder plunger pump fluid end assembly comprising: the power end assembly (1) and the hydraulic end assembly (2), its characterized in that: the seven-cylinder plunger pump fluid end assembly comprises:
the hydraulic end device comprises a power end assembly (1), wherein the power end assembly (1) is connected with a hydraulic end assembly (2), and insertion pipes (4) are connected to side walls at two ends of the hydraulic end assembly (2); a kind of electronic device with high-pressure air-conditioning system
The connecting pipe (3) is connected with the cannula (4), the equal fixedly connected with of outer wall both sides of connecting pipe (3) is located a section of thick bamboo (10), the inside of locating a section of thick bamboo (10) is equipped with movable rod (11) and expansion spring (13), movable rod (11) are connected with fixed block (9).
2. A seven-cylinder plunger pump fluid end assembly as set forth in claim 1 wherein: slots (6) are formed in the side walls of two sides, connected with the insertion pipe (4), of the hydraulic end assembly (2), limiting grooves (7) are formed in the two sides of the inner wall of each slot (6), and fixing grooves (5) are formed in the two sides of the outer wall of the insertion pipe (4).
3. A seven-cylinder plunger pump fluid end assembly as set forth in claim 2 wherein: limiting blocks (8) are fixedly connected to two sides of the outer wall of one end of the connecting pipe (3), and the limiting blocks (8) are connected with limiting grooves (7).
4. A seven-cylinder plunger pump fluid end assembly as set forth in claim 2 wherein: a movable hole (14) is formed between each positioning cylinder (10) and the side wall connected with the connecting pipe (3), and a through hole (12) is formed in the middle of the side wall, far away from the connecting pipe (3), of each positioning cylinder (10).
5. A seven-cylinder plunger pump fluid end assembly as set forth in claim 4 wherein: the movable rod (11) is T-shaped, one end of the movable rod (11) penetrates through the through hole (12) to be fixedly connected with the side wall of the fixed block (9), and the other end of the fixed block (9) penetrates through the movable hole (14) to be connected with the fixed groove (5).
6. A seven-cylinder plunger pump fluid end assembly as set forth in claim 1 wherein: the telescopic spring (13) is sleeved on the outer wall of the movable rod (11).
7. A seven-cylinder plunger pump fluid end assembly as set forth in claim 1 wherein: one end of the telescopic spring (13) is fixedly connected with the side wall of the fixed block (9), and the other end of the telescopic spring (13) is fixedly connected with the inner wall of one end, far away from the connecting pipe (3), of the positioning cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345780.8U CN219388143U (en) | 2023-02-28 | 2023-02-28 | Seven jar plunger pump fluid end assemblies |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345780.8U CN219388143U (en) | 2023-02-28 | 2023-02-28 | Seven jar plunger pump fluid end assemblies |
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| Publication Number | Publication Date |
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| CN219388143U true CN219388143U (en) | 2023-07-21 |
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| CN202320345780.8U Active CN219388143U (en) | 2023-02-28 | 2023-02-28 | Seven jar plunger pump fluid end assemblies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823379A (en) * | 2024-01-16 | 2024-04-05 | 四川宏华电气有限责任公司 | Seven jar fracturing pump integral type fluid end assemblies |
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2023
- 2023-02-28 CN CN202320345780.8U patent/CN219388143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823379A (en) * | 2024-01-16 | 2024-04-05 | 四川宏华电气有限责任公司 | Seven jar fracturing pump integral type fluid end assemblies |
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