CN218347556U - All-fiber texture petroleum fracturing pump valve crankshaft - Google Patents
All-fiber texture petroleum fracturing pump valve crankshaft Download PDFInfo
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- CN218347556U CN218347556U CN202220717743.0U CN202220717743U CN218347556U CN 218347556 U CN218347556 U CN 218347556U CN 202220717743 U CN202220717743 U CN 202220717743U CN 218347556 U CN218347556 U CN 218347556U
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- fracturing pump
- ring
- connecting ring
- bent axle
- pump valve
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Abstract
The utility model provides a full fibrous texture oil fracturing pump valve bent axle. The all-fiber texture petroleum fracturing pump valve crankshaft comprises: the crankshaft assembly comprises a connecting rod shaft, and a first connecting ring and a second connecting ring which are used for connecting different crankshaft assemblies are fixedly connected to two ends of the connecting rod shaft respectively; the first connecting and matching device is fixed on one side of the first connecting ring and comprises four connecting and matching arc blocks which are uniformly arranged. The utility model provides a complete fibrous tissue oil fracturing pump valve bent axle is gone into through connecting cooperation arc piece card and is connected the cooperation groove for accomplish the assembly back to two bent axle subassemblies, bear the torsion of fracturing pump during operation to the bent axle through connecting the cooperation arc piece, the bolt is only to connect cooperation arc piece and second connection ring, and does not regard as the stress point, makes the bent axle of installing more firm, promotes the life of bent axle.
Description
Technical Field
The utility model relates to a fracturing pump technical field especially relates to an all fiber texture oil fracturing pump valve bent axle.
Background
The fracturing pump is an important device for fracturing and acidizing operations in an oil field and improving the yield of oil and gas, and a crankshaft on the fracturing pump is the most important part in a fracturing pump machine, bears the force transmitted by a connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on an engine to work.
In order to facilitate the use of the crankshaft, the crankshaft is simultaneously suitable for a three-cylinder pump and a five-cylinder pump and is suitable for various different oil extraction environments, and a crankshaft can be formed by a plurality of mountable and separable crankshaft modules.
In prior art, when adopting a plurality of bent axle module equipment bent axles, different bent axle modules adopt the bolt directly to carry out fixed connection, but the bearing capacity of bolt is limited, carries out the atress through the bolt as the mounting of different bent axle modules, and the bolt can receive huge torsion in the bent axle use, causes the damage when the bent axle uses easily, influences the life of bent axle.
Therefore, it is necessary to provide a crankshaft of an all-fiber petroleum fracturing pump valve to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full fibrous texture oil fracturing pump valve bent axle has solved the bolt and can receive huge torsion in the bent axle use, causes the damage when the bent axle uses easily, influences the problem of the life of bent axle.
In order to solve the technical problem, the utility model provides a full fiber texture petroleum fracturing pump valve bent axle includes: the crankshaft assembly comprises a connecting rod shaft, and a first connecting ring and a second connecting ring which are used for connecting different crankshaft assemblies are fixedly connected to two ends of the connecting rod shaft respectively;
the first connection matching device is fixed on one side of the first connection ring and comprises four connection matching arc blocks which are uniformly arranged, and threaded holes are formed in the connection matching arc blocks;
the second connection matching device is arranged on one side of the second connection ring and comprises four connection matching grooves which are uniformly arranged and matched with the connection matching arc blocks for use, and a through hole is formed in one side of the inner wall of each connection matching groove;
the bolt, the bolt set up in be used for on the second connection ring connect the cooperation arc piece with the connection of second connection ring.
Preferably, four connect the cooperation arc piece and evenly be fixed in one side of first connection ring, the screw hole is used for the cooperation the bolt is right connect the cooperation arc piece with the connection of ring is connected to the second.
Preferably, the four connecting matching grooves are uniformly formed in one side of the second connecting ring, and the bolt penetrates through the through hole and extends into the threaded hole.
Preferably, four horizontal grooves for preventing the bolts from protruding are uniformly formed in one side of the second connecting ring.
Preferably, the connecting rod shaft is provided with an oil lubrication hole, and one side of the first connecting ring is provided with a communicating oil hole communicated with the oil lubrication hole.
Preferably, the lubricating device further comprises a sealing device, the sealing device is arranged between the communicating oil hole and the lubricating hole, the sealing device comprises an annular sealing groove, and a sealing washer is fixedly connected to one side of the inner wall of the annular sealing groove.
Preferably, the annular sealing groove is formed in one side of the second connecting ring, and a circular opening for communicating the communicating oil hole with the lubricating oil hole is formed in the center of the sealing washer.
Compared with the prior art, the utility model provides a full fibrous tissue oil fracturing pump valve bent axle has following beneficial effect:
the utility model provides a full fibrous texture oil fracturing pump valve bent axle goes into to connect cooperation groove through connecting cooperation arc piece card for accomplish to the assembly back of two bent axle subassemblies, bear the torsion of fracturing pump during operation to the bent axle through connecting the cooperation arc piece, the bolt is only to connect cooperation arc piece and second connection ring, and does not regard as the stress point, makes the bent axle of installing more firm, promotes the life of bent axle.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a crankshaft of an all-fiber petroleum fracturing pump provided by the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is a side view of the first connecting ring of FIG. 1;
FIG. 4 is a side view of the second connecting ring shown in FIG. 1;
FIG. 5 is a schematic view of a rear view of the second connecting ring shown in FIG. 4;
fig. 6 is the structural schematic diagram of the second embodiment of the crankshaft of the all-fiber petroleum fracturing pump.
Reference numbers in the figures:
1. the crankshaft assembly 11, the connecting rod shaft 12, the first connecting ring 13 and the second connecting ring;
2. the first connecting and matching device 21 is connected with the matching arc block 22 and the threaded hole;
3. the second connecting and matching device 31, the connecting and matching groove 32 and the through hole;
4. the bolt 5, the horizontal groove 6, the lubricating hole 7 and the communicating oil hole;
8. sealing device, 81, annular sealing groove, 82 and sealing washer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a crankshaft of a full fiber tissue petroleum fracturing pump according to the present invention; FIG. 2 is an enlarged view taken at A of FIG. 1; FIG. 3 is a side view of the first connection ring of FIG. 1; FIG. 4 is a side view of the second connecting ring shown in FIG. 1; fig. 5 is a schematic view of a rear view of the second connection ring shown in fig. 4. The whole fibrous tissue petroleum fracturing pump valve crankshaft includes: the crankshaft component 1 comprises a connecting rod shaft 11, wherein a first connecting ring 12 and a second connecting ring 13 which are used for connecting different crankshaft components 1 are fixedly connected to two ends of the connecting rod shaft 11 respectively;
the first connecting and matching device 2 is fixed on one side of the first connecting ring 12, the first connecting and matching device 2 comprises four connecting and matching arc blocks 21 which are uniformly arranged, and threaded holes 22 are formed in the connecting and matching arc blocks 21;
the second connection matching device 3 is arranged on one side of the second connection ring 13, the second connection matching device 3 comprises four evenly-arranged connection matching grooves 31 matched with the connection matching arc blocks 21 for use, and one side of the inner wall of each connection matching groove 31 is provided with a through hole 32;
and the bolt 4 is arranged on the second connecting ring 13 and used for connecting the matching arc block 21 and the second connecting ring 13.
The crankshaft is connected together through a plurality of crankshaft assemblies 1 to form a crankshaft, so that the crankshaft is conveniently used for a three-cylinder pump and coin use, and the first connecting ring 12 and the second connecting ring 13 are respectively provided with a spline and a spline for matching connection.
The connecting rod shaft 11, the first connecting ring 12 and the second connecting ring 13 are all manufactured by selecting steel ingots which are smelted by an electric arc furnace, refined outside the furnace, degassed in vacuum and cast in vacuum as raw materials, and are manufactured by processes of upsetting, strong pressing and the like, so that the crankshaft assembly 1 without damaging fiber tissues is forged.
Four connect cooperation arc piece 21 evenly to be fixed in one side of first connection ring 12, screw hole 22 is used for the cooperation bolt 4 is right connect cooperation arc piece 21 with the connection of second connection ring 13.
The connecting and matching arc block 21 is made of hard steel, so that the strength is high and the wear resistance is high.
The four connecting matching grooves 31 are uniformly formed in one side of the second connecting ring 13, and the bolt 4 penetrates through the through hole 32 and extends into the threaded hole 22.
The threaded hole 22 is used in cooperation with the bolt 4 for connection between the second connection ring 13 and the connection fitting arc block 21.
Four horizontal grooves 5 for preventing the bolts 4 from protruding are uniformly formed in one side of the second connecting ring 13.
One end of the bolt 4 can be pressed into the horizontal groove 5, so that the outer side of the second connecting ring 13 forms a plane, and the bolt 4 is more stable.
The connecting rod shaft 11 is provided with an oil lubrication hole 6, and one side of the first connecting ring 12 is provided with a communicating oil hole 7 communicated with the oil lubrication hole 6.
The utility model provides a theory of operation of full fibrous texture oil fracturing pump valve bent axle as follows:
when needs connect two bent axle subassemblies 1, will connect cooperation arc piece 21 and connect cooperation groove 31 and aim at, again to the orientation that is close to each other promotes first connection ring 12 and second connection ring 13, make and connect the inside that cooperation arc piece 21 was pressed in connection cooperation groove 31, use bolt 4 to pass through-hole 32 and cooperation screw hole 22 will connect cooperation arc piece 21 and second connection ring 13 together fixed, the completion is connected between ring 13 to first connection ring 12 and second connection ring, vice versa, take off behind bolt 4, can connect ring 13 to first connection ring 12 and second connection ring 13 of orientation pulling that keeps away from each other, make first connection ring 12 and second connection ring 13 separate.
Compared with the prior art, the utility model provides a full fibrous tissue oil fracturing pump valve bent axle has following beneficial effect:
connect cooperation groove 31 through connecting cooperation arc piece 21 card income for accomplish two bent axle subassembly 1's assembly back, bear the torsion of fracturing pump during operation to the bent axle through connecting cooperation arc piece 21, the ring 13 is connected to bolt 4 only to connecting cooperation arc piece 21 and second, and does not regard as the stress point, makes the bent axle of installing more firm, promotes the life of bent axle.
Second embodiment
Referring to fig. 6, a crankshaft of a petroleum fracturing pump based on a full fiber structure is provided based on the first embodiment of the present application, and a second embodiment of the present application provides another crankshaft of a petroleum fracturing pump based on a full fiber structure. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that the second embodiment of this application provided based on full fiber texture oil fracturing pump valve bent axle lies in, still includes sealing device 8 based on full fiber texture oil fracturing pump valve bent axle, sealing device 8 set up in intercommunication oilhole 7 with between the lubricating hole 6, sealing device 8 includes ring seal groove 81, one side fixedly connected with seal ring 82 of ring seal groove 81 inner wall.
The annular seal groove 81 is opened at one side of the second connection ring 13, and a circular opening for communicating the communication oil hole 7 and the lubrication hole 6 is formed at the center of the seal gasket 82.
The communication oil hole 7 and the lubrication oil hole 6 can be still in a communication state by the circular opening in the seal gasket 82.
Compared with the prior art, the utility model provides a full fibrous tissue oil fracturing pump valve bent axle has following beneficial effect:
by arranging the sealing washer 82 between the communication oil hole 7 and the lubricating oil hole 6, not only the sealing capability between the communication oil hole 6 and the lubricating oil hole 6 can be effectively improved, but also the communication state between the communication oil hole 7 and the lubricating oil hole 6 can be ensured.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. The utility model provides an all fiber texture petroleum fracturing pump valve bent axle which characterized in that includes:
the crankshaft assembly comprises a connecting rod shaft, and a first connecting ring and a second connecting ring which are used for connecting different crankshaft assemblies are fixedly connected to two ends of the connecting rod shaft respectively;
the first connection matching device is fixed on one side of the first connection ring and comprises four connection matching arc blocks which are uniformly arranged, and threaded holes are formed in the connection matching arc blocks;
the second connection matching device is arranged on one side of the second connection ring and comprises four connection matching grooves which are uniformly arranged and matched with the connection matching arc blocks for use, and one side of the inner wall of each connection matching groove is provided with a through hole;
and the bolt is arranged on the second connecting ring and is used for connecting the matching arc block and the second connecting ring.
2. The crank shaft for a valve of an all-fiber petroleum fracturing pump according to claim 1, wherein the four connecting and fitting arc blocks are uniformly fixed to one side of the first connecting ring, and the threaded hole is used for fitting the bolt to connect the connecting and fitting arc blocks and the second connecting ring.
3. The crank shaft of the all-fiber petroleum fracturing pump valve according to claim 1, wherein the four connecting fitting grooves are uniformly formed in one side of the second connecting ring, and the bolt penetrates through the through hole and extends into the threaded hole.
4. The crank shaft of the all-fiber petroleum fracturing pump valve of claim 1, wherein four horizontal grooves for preventing the bolts from protruding are uniformly formed in one side of the second connecting ring.
5. The crank shaft of the all-fiber petroleum fracturing pump valve of claim 1, wherein the connecting rod shaft is provided with an oil lubrication hole, and one side of the first connecting ring is provided with a communication oil hole communicated with the oil lubrication hole.
6. The crankshaft of the all-fiber petroleum fracturing pump valve as claimed in claim 5, further comprising a sealing device, wherein the sealing device is arranged between the communication oil hole and the lubricating oil hole, the sealing device comprises an annular sealing groove, and a sealing gasket is fixedly connected to one side of the inner wall of the annular sealing groove.
7. The crank shaft of an all-fiber petroleum fracturing pump valve according to claim 6, wherein the annular sealing groove is opened on one side of the second connecting ring, and a circular opening for communicating the communicating oil hole and the lubricating oil hole is formed in the center of the sealing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220717743.0U CN218347556U (en) | 2022-03-30 | 2022-03-30 | All-fiber texture petroleum fracturing pump valve crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220717743.0U CN218347556U (en) | 2022-03-30 | 2022-03-30 | All-fiber texture petroleum fracturing pump valve crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347556U true CN218347556U (en) | 2023-01-20 |
Family
ID=84921659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220717743.0U Active CN218347556U (en) | 2022-03-30 | 2022-03-30 | All-fiber texture petroleum fracturing pump valve crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347556U (en) |
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2022
- 2022-03-30 CN CN202220717743.0U patent/CN218347556U/en active Active
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