CN216198912U - Novel fracturing unit truck hydraulic end assembly - Google Patents
Novel fracturing unit truck hydraulic end assembly Download PDFInfo
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- CN216198912U CN216198912U CN202122734238.5U CN202122734238U CN216198912U CN 216198912 U CN216198912 U CN 216198912U CN 202122734238 U CN202122734238 U CN 202122734238U CN 216198912 U CN216198912 U CN 216198912U
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- plunger
- pump body
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- bearing
- end assembly
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides a novel hydraulic end assembly of a fracturing truck. Relates to the technical field of hydraulic ends of fracturing trucks. The plunger is connected with the pressure cavity of the pump body in a clearance fit mode, the plug is connected with the pump body through a sealing ring in a threaded mode on the left side of the pressure cavity, the right side of the plunger is connected with the pump body through packing and a packing gland, and the plunger extends out of the pump body and is connected with the connecting rod through a bearing and a bearing gland. The utility model has the following beneficial effects: through setting up the plunger and connecting rod and passing through bearing, bearing cap and connecting, but the plunger free rotation when being connected with the connecting rod, through set up the intercommunicating pore in the check valve lower part of outage, when the plunger moved right, high-pressure liquid got into the intercommunicating pore and drives the ratchet post and rotate, and the liquid that flows in flows out through the backward flow hole, and every reciprocating motion of plunger is once, the plunger rotates an angle under the liquid drive effect promptly, so circulate, prevent that the plunger from producing the eccentric wear and reduce sealed effect, improve the pump efficiency of hydraulic pressure end.
Description
The technical field is as follows:
the utility model relates to the technical field of fracturing truck fluid ends, in particular to a novel fracturing truck fluid end assembly.
Background art:
the technical performance of the fracturing pump hydraulic end assembly is directly related to the field construction effect, so that the fracturing pump hydraulic end assembly has the characteristics of high pressure resistance, corrosion resistance, strong abrasion resistance, long service life and the like;
in the prior art, the plunger of the fracturing pump hydraulic end assembly is connected with the connecting rod in a rigid connection mode, namely the plunger is fixed on the connecting rod in a thread mode and the like.
The utility model has the following contents:
in order to solve the problems, the utility model provides a novel fracturing truck hydraulic end assembly.
The technical scheme of the utility model is as follows: the utility model provides a novel fracturing unit truck fluid end assembly, includes the check valve on the pump body, plunger, feed liquor hole and the check valve on the outage, the plunger is connected with the pressure chamber clearance fit of the pump body, and the pressure chamber left side is stifled to be passed through the sealing washer threaded connection pump body, and the plunger right side is through packing and gland connection pump body, and the plunger stretches out and connects the connecting rod through bearing, bearing gland behind the pump body.
At the inner side of the filler, a section of ratchet column is arranged on the cylindrical surface of the plunger, a communication hole is arranged at the lower end of the check valve of the liquid discharge hole, the bottom of the check valve of the liquid discharge hole is communicated with a pressure cavity where the ratchet column is arranged through the communication hole, and a backflow hole is arranged on the pressure cavity where the ratchet column is arranged and communicated with the outside of the pump body.
The communicating hole and the reflux hole are mutually staggered by at least one ratchet tooth in the circumferential direction of the ratchet column.
The utility model has the following beneficial effects: through setting up the plunger and connecting rod and passing through bearing, bearing cap and connecting, but the plunger free rotation when being connected with the connecting rod, through set up the intercommunicating pore in the check valve lower part of outage, when the plunger moved right, high-pressure liquid got into the intercommunicating pore and drives the ratchet post and rotate, and the liquid that flows in flows out through the backward flow hole, and every reciprocating motion of plunger is once, the plunger rotates an angle under the liquid drive effect promptly, so circulate, prevent that the plunger from producing the eccentric wear and reduce sealed effect, improve the pump efficiency of hydraulic pressure end.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1.
In the figure, 1-a pump body, 2-a plunger, 3-a packing gland, 4-a connecting rod, 5-a bearing cover, 6-a plug, 7-a one-way valve, 8-a liquid inlet hole, 9-a liquid outlet hole, 10-a packing, 11-a backflow hole, 12-a communication hole, 13-a ratchet column and 14-a pressure cavity.
The specific implementation mode is as follows:
the utility model will be further described with reference to the accompanying drawings in which:
it is shown by fig. 1 combines fig. 2, a novel fracturing unit truck fluid end assembly, including the pump body 1, plunger 2, check valve 7 on the feed liquor hole 8 and check valve 7 on the outage 9, plunger 2 is connected with the 14 clearance fit of the pressure chamber of the pump body 1, and 14 left sides of pressure chamber, stopper stifled 6 pass through the sealing washer threaded connection pump body 1, and 2 right sides of plunger are through packing 10 and gland 3 connection pump body 1, and plunger 2 stretches out behind the pump body 1 through the bearing, 5 connecting rod 4 of bearing cap.
A section of ratchet column 13 is arranged on the cylindrical surface of the plunger 2 at the inner side of the filler 10, a communication hole 12 is arranged at the lower end of the one-way valve 7 of the liquid discharge hole 9, the communication hole 12 communicates the bottom of the one-way valve 7 of the liquid discharge hole 9 with a pressure cavity 14 where the ratchet column 13 is located, and a backflow hole 11 is arranged on the pressure cavity 14 where the ratchet column 13 is located and is communicated with the outside of the pump body 1.
Through setting up plunger 2 and connecting rod 4 and passing through the bearing, bearing cap 5 is connected, but plunger 2 free rotation when connecting plunger 2 with connecting rod 4, through set up intercommunicating pore 12 in the check valve 7 lower part of flowing back hole 9, when plunger 2 moved right, high-pressure liquid got into intercommunicating pore 12 and driven ratchet post 13 and rotated, the liquid that flows in flowed out through backflow hole 11, plunger 2 was once reciprocating motion once, plunger 2 rotated an angle under the liquid drive effect promptly, so circulate, prevent that plunger 2 from producing the eccentric wear and reducing sealed effect, improve the pump efficiency of hydraulic end.
The communication hole 12 and the return hole 11 are shifted from each other by at least one ratchet tooth in the circumferential direction of the ratchet column 13 to prevent the communication hole 12 and the return hole 11 from communicating with each other in one ratchet tooth and preventing the plunger 2 from being rotationally driven.
Claims (3)
1. The utility model provides a novel fracturing unit truck fluid end assembly, includes check valve (7) on the pump body (1), plunger (2), feed liquor hole (8) and check valve (7) on outage (9), its characterized in that: plunger (2) is connected with pressure chamber (14) clearance fit of the pump body (1), and pressure chamber (14) left side, stopper stifled (6) are through sealing washer threaded connection pump body (1), and plunger (2) right side is through packing (10) and gland (3) connection pump body (1), and plunger (2) stretch out behind the pump body (1) through bearing, bearing cap (5) connecting rod (4).
2. The novel fracturing truck fluid end assembly of claim 1, wherein: a ratchet column (13) is arranged on the cylindrical surface of the plunger (2) at the inner side of the filler (10), a communicating hole (12) is formed in the lower end of a check valve (7) of the liquid discharge hole (9), the bottom of the check valve (7) of the liquid discharge hole (9) is communicated with a pressure cavity (14) where the ratchet column (13) is located through the communicating hole (12), and a backflow hole (11) is formed in the pressure cavity (14) where the ratchet column (13) is located and is communicated with the outside of the pump body (1).
3. The novel fracturing truck fluid end assembly of claim 2, wherein: the communication hole (12) and the reflux hole (11) are mutually staggered by at least one ratchet tooth in the circumferential direction of the ratchet column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734238.5U CN216198912U (en) | 2021-11-09 | 2021-11-09 | Novel fracturing unit truck hydraulic end assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734238.5U CN216198912U (en) | 2021-11-09 | 2021-11-09 | Novel fracturing unit truck hydraulic end assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216198912U true CN216198912U (en) | 2022-04-05 |
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ID=80907199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122734238.5U Active CN216198912U (en) | 2021-11-09 | 2021-11-09 | Novel fracturing unit truck hydraulic end assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216198912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605677A (en) * | 2023-11-30 | 2024-02-27 | 建湖金拓机械制造有限公司 | Filterable fracturing truck fluid end assembly |
| CN117948394A (en) * | 2024-03-27 | 2024-04-30 | 兰州矿场机械有限公司 | Transmission structure of fracturing pump and fracturing pump |
-
2021
- 2021-11-09 CN CN202122734238.5U patent/CN216198912U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605677A (en) * | 2023-11-30 | 2024-02-27 | 建湖金拓机械制造有限公司 | Filterable fracturing truck fluid end assembly |
| CN117605677B (en) * | 2023-11-30 | 2024-05-28 | 建湖金拓机械制造有限公司 | Filterable fracturing truck fluid end assembly |
| CN117948394A (en) * | 2024-03-27 | 2024-04-30 | 兰州矿场机械有限公司 | Transmission structure of fracturing pump and fracturing pump |
| CN117948394B (en) * | 2024-03-27 | 2024-05-28 | 兰州矿场机械有限公司 | Transmission structure of fracturing pump and fracturing pump |
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