CN215170703U - Novel self-aligning connecting rod plunger connecting structure - Google Patents
Novel self-aligning connecting rod plunger connecting structure Download PDFInfo
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- CN215170703U CN215170703U CN202120399198.0U CN202120399198U CN215170703U CN 215170703 U CN215170703 U CN 215170703U CN 202120399198 U CN202120399198 U CN 202120399198U CN 215170703 U CN215170703 U CN 215170703U
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- plunger
- adjusting pad
- aligning
- connecting rod
- ball
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides a novel self-aligning connecting rod plunger connecting structure, which comprises a connecting structure body, wherein the connecting structure body comprises a connecting rod, a plunger, a guide ball and a clamp assembly, the guide ball is installed at one end of the connecting rod, the plunger is installed at one end of the guide ball, the clamp assembly is arranged outside the guide ball, a spring is placed inside the guide ball, the top end of the guide ball is provided with a second adjusting pad, the bottom end of the guide ball is provided with a first adjusting pad, one side of the first adjusting pad and one side of the second adjusting pad are jointed with one end of the connecting rod, the other side of the first adjusting pad and the second adjusting pad are jointed with one end of the plunger, the novel self-aligning connecting rod plunger connecting structure can quickly realize automatic alignment and aligning, avoid abnormal damage of parts due to eccentric wear, prolong the service life of pump accessories, reduce the influence degree of processing errors on the service efficiency of the whole pump, the applicability is stronger.
Description
Technical Field
The utility model relates to an oil development equipment technical field specifically is a novel from aligning pole plunger connection structure.
Background
With the increasing development of the country to the oil field, a large number of reciprocating pumps with various types are put into the market in large quantity, and play a core role in each stage of drilling, well cementation, fracturing and the like, a plunger and a connecting rod are used as core components of the reciprocating pump, the rotating motion of a power end drives the plunger to be converted into reciprocating linear motion through the connecting rod, and the connecting coaxiality of the connecting rod directly influences the service life and the replacement frequency of a sealing piece matched with the connecting rod.
At present, the plunger and the connecting rod of the reciprocating pump at home and abroad are generally connected by two methods: one is that the plunger and the extension rod are positioned through an inner seam and an outer seam, the excircle hoop is fixed in a mounting and connecting mode, and the other is that the end head of the plunger is internally provided with a thread and is screwed on an external thread arranged on the extension rod. The two connection modes are hard connection, once the two connection modes are connected and fixed, the central lines of the two cannot be adjusted, the power end and the hydraulic end of the reciprocating pump are connected and fixed through a plurality of pull rods, the reciprocating pump is limited by processing errors of a reciprocating pump shell and a pump head body, the pull rods are deformed after long-term use, and the like, the coaxiality of the plunger and the connecting rod is difficult to guarantee within a specified range, so that sealing parts such as the plunger, a packing, an oil seal and the like are worn in reciprocating linear motion, abnormal conditions such as part heating, oil leakage, rapid damage and the like are caused, and the normal use of the reciprocating pump is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a novel from aligning and connect pole plunger connection structure to solve the problem that proposes in the above-mentioned background art, the utility model discloses can realize fast that automatic adjusting well and aligning have avoided spare part because of the condition of eccentric wear abnormal damage, have prolonged the life of pump accessory, have reduced machining error to the influence degree of whole pump availability factor, the suitability is stronger.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a novel connect pole plunger connection structure from aligning, includes the connection structure body, the connection structure body is including connecting pole, plunger, direction ball and clamp assembly, connect the one end of pole and install the direction ball, the plunger is installed to the one end of direction ball, the outside of direction ball is provided with the clamp assembly, the spring has been placed to the inside of direction ball, the top of direction ball is provided with the adjustment and fills up two, the bottom of direction ball is provided with the adjustment and fills up one.
As a preferred embodiment of the utility model, one side of adjusting pad one and adjusting pad two is laminated with the one end of connecting the pole mutually, the opposite side of adjusting pad one and adjusting pad two is laminated with the one end of plunger mutually.
As an optimal implementation mode of the utility model, the central part that connects pole and plunger to be connected the terminal surface all is provided with complete symmetrical arrangement and inside sunken hemisphere recess, the radius and the parameter phase-match that the direction ball established of recess.
As a preferred embodiment of the present invention, the central axis of the guiding ball is provided with a cylindrical through hole, and the inner diameter of the cylindrical through hole is matched with the outer diameter of the spring.
As a preferred embodiment of the present invention, the first adjusting pad and the second adjusting pad are semi-circular copper sheet structures.
As a preferred embodiment of the present invention, the outer circle of the extension rod and the plunger is designed as a tilted cone-shaped circular structure, and the tilt angle thereof is 10 ° angle matched with the inner tilt angle of the clamp assembly.
The utility model has the advantages that: the utility model discloses a novel from aligning and connect pole plunger connection structure, including the connection structure body, the connection structure body fills up one, clamp assembly, adjustment and fills up two including connecting pole, plunger, guide ball, spring, adjustment.
1. This novel connect pole plunger connection structure from aligning adopts the direction ball direction, only needs to adjust both sides adjustment pad thickness according to the plunger with connect the pole joint position clearance, can realize fast that connect the pole to adjust well, the aligning automatically with the plunger installation, ensures to connect the axiality of pole plunger joint line among the reciprocating motion process of reciprocating pump.
2. This novel from aligning connects pole plunger connection structure has effectively avoided connecting the pole plunger connection disalignment because of errors such as processing, assembly cause, leads to the inside spare part of reciprocating pump because of the condition of eccentric wear abnormal damage, has effectively prolonged the life of pump accessory, has reduced the influence degree of machining error to whole pump availability factor simultaneously.
3. This novel connect pole plunger connection structure from aligning not only is limited to the plunger and connects the pole connected mode, is applicable to the piston equally and connects the pole to be connected, and the same reason also not only is limited to the reciprocating pump that the oil field used.
Drawings
Fig. 1 is a structural schematic diagram of the appearance of a novel self-aligning connecting rod plunger connecting structure of the present invention;
fig. 2 is a schematic view of a partial structure of a novel self-aligning connecting rod plunger connecting structure of the present invention;
in the figure: 1. a connecting rod; 2. a plunger; 3. a guide ball; 4. a spring; 5. adjusting a first cushion; 6. a clamp assembly; 7. and a second adjusting pad.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a novel connect pole plunger connection structure from aligning, includes the connection structure body, the connection structure body is including connecting pole 1, plunger 2, guide ball 3 and clamp assembly 6, connect the one end of pole 1 to install guide ball 3, plunger 2 is installed to the one end of guide ball 3, the outside of guide ball 3 is provided with clamp assembly 6, spring 4 has been placed to the inside of guide ball 3, the top of guide ball 3 is provided with adjustment pad two 7, the bottom of guide ball 3 is provided with adjustment pad one 5.
As a preferred embodiment of the present invention, one side of the first adjusting pad 5 and the second adjusting pad 7 is attached to one end of the extension rod 1, the other side of the first adjusting pad 5 and the second adjusting pad 7 is attached to one end of the plunger 2, so that the plunger 2 and the extension rod 1 can reciprocate conveniently.
As an optimal implementation mode of the utility model, the central part that connects pole 1 and plunger 2 to be connected the terminal surface all is provided with complete symmetrical arrangement and inside sunken hemisphere recess, and the radius of recess and the parameter phase-match that establishes of direction ball 3 to can closely laminate with the recess that connects in pole 1 and the plunger 2 when guaranteeing direction ball 3 erection joint.
As a preferred embodiment of the present invention, the central axis of the guiding ball 3 is provided with a cylindrical through hole, and the inner diameter of the guiding ball is matched with the outer diameter of the spring 4, so that the spring 4 can be placed in the cylindrical through hole.
As a preferred embodiment of the present invention, the first adjusting pad 5 and the second adjusting pad 7 are semi-circular copper sheet structures, and can be installed in the annular groove outside the guiding ball 3.
As an optimized embodiment of the present invention, the outer circle positions of the extension rod 1 and the plunger 2 are all designed to be inclined cone-shaped circular structures, and the inclination angle thereof is 10 ° angle matched with the inner inclination angle of the clamp assembly 6, so as to ensure the stability of the connection of the extension rod 1 and the plunger 2.
The novel self-aligning connecting rod and plunger connecting structure redesigns the structures of a plunger 2 and a connecting rod 1 on a common reciprocating pump in an oil field, spherical mounting holes are formed in the ends of the plunger 2 and the connecting rod 1, and the guiding is realized through a guiding ball 3, so that only field operators need to adjust the thicknesses of a first adjusting pad 5 and a second adjusting pad 7 on two sides of the connecting part of the plunger 2 and the connecting rod 1 according to actual conditions, the automatic alignment and the aligning of the connecting rod 1 and the plunger 2 can be quickly realized, the coaxiality of connecting central lines of the connecting rod 1 and the plunger 2 in the reciprocating motion process of the reciprocating pump is ensured, the traditional hard connecting mode of the plunger 2 and the connecting rod 1 is broken through, the central parts of the connecting end surfaces of the connecting rod 1 and the plunger 2 are respectively provided with hemispherical grooves which are completely and symmetrically arranged and inwards sunken, the groove profiles and the spherical radii R are matched with the parameters of the guiding ball 3, so as to ensure that the guiding ball 3 can be tightly attached to the inner grooves of the connecting rod 1 and the plunger 2, the central axis position of the guide ball 3 is provided with a cylindrical through hole, the inner diameter of the cylindrical through hole is matched with the outer diameter of the spring 4, the outer circle of the guide ball 3 is provided with an annular groove, the central axis of the annular groove is vertical to the central line of the cylindrical through hole, the first adjusting pad 5 and the second adjusting pad 7 are both of semicircular copper sheet structures and can be installed in the annular groove outside the guide ball 3, the clamp assembly 6 is of a two-semicircle built-in annular inclined angle groove structure and is fixed by adopting an inner hexagonal round head bolt for fixedly connecting various parts installed inside the clamp assembly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel connect pole plunger connection structure from aligning, includes the connection structure body, its characterized in that: the connection structure body is including connecing pole (1), plunger (2), direction ball (3) and clamp assembly (6), connect the one end of pole (1) to install direction ball (3), plunger (2) are installed to the one end of direction ball (3), the outside of direction ball (3) is provided with clamp assembly (6), spring (4) have been placed to the inside of direction ball (3), the top of direction ball (3) is provided with adjustment pad two (7), the bottom of direction ball (3) is provided with adjustment pad (5).
2. The novel self-aligning extension rod plunger connecting structure according to claim 1, wherein: one side of the first adjusting pad (5) and one side of the second adjusting pad (7) are attached to one end of the connecting rod (1), and the other side of the first adjusting pad (5) and the other side of the second adjusting pad (7) are attached to one end of the plunger (2).
3. The novel self-aligning extension rod plunger connecting structure according to claim 1, wherein: the central parts of the connecting end surfaces of the connecting rod (1) and the plunger (2) are provided with hemispherical grooves which are completely symmetrically arranged and are inwards sunken, and the radius of each groove is matched with the parameters of the guide ball (3).
4. The novel self-aligning extension rod plunger connecting structure according to claim 1, wherein: the central axis of the guide ball (3) is provided with a cylindrical through hole, and the inner diameter of the cylindrical through hole is matched with the outer diameter of the spring (4).
5. The novel self-aligning extension rod plunger connecting structure according to claim 1, wherein: the first adjusting pad (5) and the second adjusting pad (7) are both of semicircular copper sheet structures.
6. The novel self-aligning extension rod plunger connecting structure according to claim 1, wherein: the outer circle parts of the connecting rod (1) and the plunger (2) are designed into inclined cone-shaped circular structures, and the inclination angle of the inclined cone-shaped circular structures is 10 degrees matched with the inner inclination angle of the hoop assembly (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399198.0U CN215170703U (en) | 2021-02-23 | 2021-02-23 | Novel self-aligning connecting rod plunger connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399198.0U CN215170703U (en) | 2021-02-23 | 2021-02-23 | Novel self-aligning connecting rod plunger connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170703U true CN215170703U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120399198.0U Active CN215170703U (en) | 2021-02-23 | 2021-02-23 | Novel self-aligning connecting rod plunger connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170703U (en) |
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2021
- 2021-02-23 CN CN202120399198.0U patent/CN215170703U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of self-aligning connecting rod plunger connection structure Granted publication date: 20211214 Pledgee: Hubei Bank Co.,Ltd. Jingzhou Jingzhou District Branch Pledgor: HUBEI PETROKH MACHINE MANUFACTURING Co.,Ltd. Registration number: Y2024980015935 |