CN210531130U - Reciprocating pump rod device - Google Patents
Reciprocating pump rod device Download PDFInfo
- Publication number
- CN210531130U CN210531130U CN201920774522.5U CN201920774522U CN210531130U CN 210531130 U CN210531130 U CN 210531130U CN 201920774522 U CN201920774522 U CN 201920774522U CN 210531130 U CN210531130 U CN 210531130U
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- rod
- opening
- reciprocating pump
- pull rod
- locking device
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Abstract
The utility model relates to an engineering equipment field, concretely relates to reciprocal pump rod device, including first connecting device, the second pole, first connecting device is connected with the second pole, and the installation is convenient with the dismantlement, by a wide margin reduction installation cost and maintenance cost, reached reduce cost, the purpose of raising the efficiency.
Description
Technical Field
The utility model relates to an engineering equipment field, concretely relates to reciprocal pump rod device.
Background
In the field of oil and gas, a reciprocating pump plunger device is an assembly in a reciprocating pump that connects a crosshead and a cylinder liner in order to draw fluid into the cylinder liner or to output fluid from the cylinder liner.
Generally, the reciprocating pump movable rod device comprises a pull rod and a piston rod, and the piston rod is inconvenient to mount and dismount.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a quick and convenient reciprocating pump rod assembly.
A reciprocating pump rod system comprising
A pull rod;
a first lever;
a second lever;
the pull rod is connected with the first rod;
the first rod is connected with the second rod;
a first locking device;
the first locking device is connected with the pull rod and the first rod;
a second locking device;
the second locking device is connected with the first rod and the second rod.
The pull rod comprises
A rod body;
a first connection portion;
a first aperture.
The first lever comprises
A first rod body;
a protrusion;
a second connecting portion;
a second opening;
a third opening;
a second hole;
the first rod bulge is connected with the first hole of the pull rod;
the first locking device is connected with the first connecting part of the pull rod and the second connecting part of the first rod.
The pull rod further comprises a first opening;
the first opening of the pull rod is oppositely connected with the second opening of the first rod.
The second lever comprises
A second rod body;
a fourth opening;
the first rod third opening is connected with the second rod fourth opening oppositely;
the second locking device is a screw;
the screw is connected with the first rod third opening and the second rod fourth opening.
The second locking device further comprises a gasket;
the gasket is connected with the first rod third opening and the second rod fourth opening, and the gasket is connected with the screw.
The first rod further comprises a hexagonal portion;
the second rod further includes a hexagonal portion.
The first locking device is a clamp.
A reciprocating pump rod device comprises
A first connecting means;
a second lever;
the first connecting means is connected to the second rod.
The second lever comprises
A third connecting portion;
the first connecting device is connected with the third connecting part of the second rod.
The third connecting part of the second rod is an external thread;
the first connecting means comprises an internal thread;
the first connecting device is internally threaded and is connected with the second rod externally threaded.
The reciprocating pump rod device also comprises
A first locking device;
a pull rod;
the pull rod comprises
An opening;
a first connection portion;
the first connecting device comprises
A substrate;
an opening;
a fourth connecting portion;
the pull rod opening is oppositely connected with the first connecting device opening;
the first locking device is connected with the fourth connecting part of the first connecting device and the first connecting part of the pull rod.
Said first connecting means further comprises a hexagonal portion;
the second rod further includes a hexagonal portion.
The first locking device is a clamp.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the first rod and the second rod are connected by the screws, so that the mounting and the dismounting are convenient, meanwhile, as the maximum force of the reciprocating pump acts on the radial direction of the threads, the threads bear radial pressure, the service lives of the threads and the screws are prolonged, the volume of the screws is reduced, the connection precision is high, the centering performance of the piston and the cylinder sleeve is ensured, the total length of a rod system is shorter, the weight of the reciprocating pump is reduced, and the service life of the piston is prolonged; the first opening of the pull rod and the second opening of the first rod can be conveniently separated from the first rod by a wedge when being disassembled, the problem that a piston rod and a middle pull rod are difficult to separate is solved, after the first rod is disassembled, the first connecting device is connected with the second rod through threads and is connected to the pull rod through a clamp, the second rod can be conveniently pulled out of a cylinder sleeve, the problems that the cylinder sleeve needs to be disassembled and assembled together when the piston is replaced in an original drilling pump rod system, the piston is difficult to center when being installed from the front end of the cylinder sleeve, and the piston is easy to damage are solved, the installation cost and the maintenance cost are greatly reduced, the cost is reduced, and the purpose of improving the efficiency is achieved.
Drawings
Fig. 1 is the axial view of the reciprocating pump rod system of the present invention.
Fig. 2 is a schematic front view of the reciprocating pump rod system of the present invention.
Fig. 3 is a schematic sectional view a-a of fig. 2.
Fig. 4 is a drawing of the drawing rod shaft of the reciprocating pump rod system of the present invention.
Fig. 5 is a schematic cross-sectional view of the pull rod of the reciprocating pump rod system of the present invention.
Fig. 6 is a schematic view of the first rod and the locking device of the reciprocating pump rod system according to the present invention.
Fig. 7 is a schematic cross-sectional view of the first rod of the reciprocating pump rod system of the present invention.
Fig. 8 is a schematic diagram of a second rod axis of the reciprocating pump rod system of the present invention.
Fig. 9 is a schematic cross-sectional view of a second rod of the reciprocating pump rod system of the present invention.
Fig. 10 is a schematic view of the axial direction of the reciprocating pump rod device with clamp (first connecting device and pull rod, second rod and clamp) according to the present invention.
Fig. 11 is a schematic view of the axis measurement of the non-clamp reciprocating pump rod device (the first connecting device, the pull rod, and the second rod) according to the present invention.
Fig. 12 is an exploded view of the non-clamp reciprocating pump rod assembly (first connecting device, pull rod, second rod) according to the present invention.
Fig. 13 is a front view of the first connecting device and the second rod of the present invention.
FIG. 14 is a schematic cross-sectional view B-B of FIG. 13.
Fig. 15 is a schematic axial view of the first connecting device of the present invention.
Fig. 16 is a front view schematically illustrating a first connection device according to the present invention.
FIG. 17 is a schematic cross-sectional view C-C of FIG. 16.
Fig. 18 is a schematic axial view of the first locking device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
As shown in fig. 1 to 18, the reciprocating pump rod system comprises a pull rod 1, a first rod 3, a second rod 5, a first locking device 2 and a second locking device 4, wherein the pull rod 1 is connected with the first rod 3, the first rod 3 is connected with the second rod 5, the first locking device 2 is connected with the pull rod 1 and the first rod 3, and the second locking device 4 is connected with the first rod 3 and the second rod 5.
The pull rod 1 comprises a rod body 10, a first connecting part 15 and a first hole 12.
The first rod 3 comprises a first rod body 30, a protrusion 37, a second connecting part 31, a second opening 32, a third opening 34 and a second hole 36, the protrusion 37 of the first rod 3 is connected with the first hole 12 of the pull rod 1, and the first locking device 2 is connected with the first connecting part 15 of the pull rod 1 and the second connecting part 31 of the first rod 3.
The pull rod 1 further comprises a first opening 14, and the first opening 14 of the pull rod 1 is connected with the second opening 32 of the first rod 3 oppositely.
The second rod 5 comprises a second rod body 50 and a fourth opening 52, and the third opening 34 of the first rod 3 is connected with the fourth opening 52 of the second rod 5 oppositely.
The second locking means 4 is a screw 40, and the screw 40 is connected with the third opening 34 of the first rod 3 and the fourth opening 52 of the second rod 5.
The third opening 34 of the first rod 3 and the fourth opening 52 of the second rod 5 form a threaded hole.
The second locking device 4 further comprises a spacer 41, the spacer 41 is connected with the third opening 34 of the first rod 3 and the fourth opening 52 of the second rod 5, the spacer 41 is connected with the screw 40, namely, the spacer 41 is firstly placed into a threaded hole formed by the third opening 34 of the first rod 3 and the fourth opening 52 of the second rod 5, and then the screw 40 is screwed in.
The first rod 3 further comprises a hexagonal portion 33 and the second rod 5 further comprises a hexagonal portion 51, which can be used with a tool such as a wrench.
The first locking device 2 is a hoop 2, the hoop 2 comprises a first arc-shaped part 20, a second arc-shaped part 21, a first pin 22, a second pin 23, a connecting rod 24, a clamping groove 25 and a locking rod 26, when the hoop is unlocked, the locking rod 26 leaves the clamping groove 25, and the first arc-shaped part 20 can rotate along the first pin 22 and the second pin 23 through the connecting rod 24; when locking is required, the first arc-shaped part 20 rotates along the first pin 22 and the second pin 23 through the connecting rod 24, and the locking rod 26 enters the clamping groove 25.
A reciprocating pump rod device comprises a first connecting device 6, a second rod 5, and the first connecting device 6 is connected with the second rod 5.
The second rod comprises a third connecting portion 53 and the first connecting means 6 is connected to the second rod 5 at the third connecting portion 53.
The third connecting portion 53 of the second rod 5 is an external thread 53, the first connecting means 6 comprises an internal thread 63, and the internal thread 63 of the first connecting means 6 is connected with the external thread 53 of the second rod 5.
The reciprocating pump rod device also comprises a first locking device 2 and a pull rod 1.
The pull rod 1 comprises an opening 14, a first connection 15.
The first connecting device 6 comprises a base body 60, a protrusion 61, an opening 62 and a fourth connecting part 66, the opening 14 of the pull rod 1 is connected opposite to the opening 62 of the first connecting device 6, the first locking device 2 is connected with the fourth connecting part 66 of the first connecting device 6 and the first connecting part 15 of the pull rod 1, and the protrusion 61 is connected with the first hole 12 of the pull rod 1.
The first connecting means 6 further comprise a hexagonal portion 65 and the second rod 5 further comprises a hexagonal portion 51.
The first locking means 2 is a clip 2.
After the second hole 36 of the first rod 3 is connected with the third connecting part 53 of the second rod 5, the third opening 34 of the first rod 3 and the fourth opening 52 of the second rod 5 are processed simultaneously, the connection precision is high, and the service life of the piston is prolonged.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the screw 40 is adopted to connect the first rod 3 and the second rod 5, so that the mounting and the dismounting are convenient, meanwhile, as the maximum force of the reciprocating pump acts on the radial direction of the thread, the thread bears the radial pressure, the service life of the thread and the screw 40 is favorably prolonged, the volume of the screw is reduced, the connection precision is high, the alignment property of the piston and the cylinder sleeve is ensured, the total length of a rod device or a rod system is shorter, the weight of the reciprocating pump is favorably reduced, and the service life of the piston is prolonged; the first opening 14 of the pull rod 1 and the second opening 34 of the first rod 3 can be conveniently separated by a wedge when being disassembled, so that the problem of difficulty in separating a piston rod from an intermediate pull rod is solved, after the first rod 3 is disassembled, the first connecting device 6 is connected with the second rod 3 through threads and is connected to the pull rod 1 through a hoop 2, the second rod 5 can be conveniently pulled out of a cylinder sleeve, the problem that the cylinder sleeve needs to be disassembled and assembled together when a piston is replaced in an original drilling pump rod system is solved, the piston is difficult to center when being installed from the front end of the cylinder sleeve, and the piston is easily damaged is solved, the installation cost and the maintenance cost are greatly reduced, the purposes of reducing the cost and improving the efficiency are achieved.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (5)
1. A reciprocating pump rod device comprises
A first connecting means;
a second lever;
the method is characterized in that:
the second lever comprises
A third connecting portion;
the first connecting device is connected with the second rod;
the first connecting device is connected with the third connecting part of the second rod.
2. The reciprocating pump rod apparatus as defined in claim 1, wherein:
the third connecting part of the second rod is an external thread;
the first connecting means comprises an internal thread;
the first connecting device is internally threaded and is connected with the second rod externally threaded.
3. The reciprocating pump rod apparatus as defined in claim 2, wherein:
also comprises
A first locking device;
a pull rod;
the pull rod comprises
An opening;
a first connection portion;
the first connecting device comprises
A substrate;
an opening;
a fourth connecting portion;
the pull rod opening is oppositely connected with the first connecting device opening;
the first locking device is connected with the fourth connecting part of the first connecting device and the first connecting part of the pull rod.
4. The reciprocating pump rod apparatus as defined in claim 3, wherein:
said first connecting means further comprises a hexagonal portion;
the second rod further includes a hexagonal portion.
5. The reciprocating pump rod apparatus as defined in claim 4, wherein:
the first locking device is a clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774522.5U CN210531130U (en) | 2019-05-28 | 2019-05-28 | Reciprocating pump rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774522.5U CN210531130U (en) | 2019-05-28 | 2019-05-28 | Reciprocating pump rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531130U true CN210531130U (en) | 2020-05-15 |
Family
ID=70593837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920774522.5U Active CN210531130U (en) | 2019-05-28 | 2019-05-28 | Reciprocating pump rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131156A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
-
2019
- 2019-05-28 CN CN201920774522.5U patent/CN210531130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131156A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
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