CN115674247A - Mechanical arm for machining hydraulic end valve body of fracturing pump - Google Patents
Mechanical arm for machining hydraulic end valve body of fracturing pump Download PDFInfo
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- CN115674247A CN115674247A CN202211703002.8A CN202211703002A CN115674247A CN 115674247 A CN115674247 A CN 115674247A CN 202211703002 A CN202211703002 A CN 202211703002A CN 115674247 A CN115674247 A CN 115674247A
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Abstract
The invention relates to the technical field of valve seat production, in particular to a manipulator for machining a valve body at a hydraulic end of a fracturing pump. The heat of the valve body and the clamping plate is taken away by the airflow sprayed from the high-pressure spray head, the plurality of radiating fins are fixedly connected to the outer sides of the clamping plate and are used for increasing the contact area of the clamping plate and the air, so that the clamping plate has good heat dissipation, the compressed air is released from the air outlets at the two ends of the flow guide block, and the airflow discharged from the two sides can cool the valve body when the valve body is not clamped, so that the steps of standing and cooling can be shortened or even omitted, the production process is coherent, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of valve seat production, in particular to a manipulator for machining a valve body at a hydraulic end of a fracturing pump.
Background
At present, hydraulic fracturing becomes a common measure for increasing the yield of oil and gas wells at home and abroad, all fracturing pump trucks used realize the high pressure of extruded liquid by means of the opening and closing of a pump valve assembly and a piston cylinder body in a plunger pump, a pump valve hydraulic end assembly mainly comprises a valve body and a valve seat, wherein the production and processing of the valve body mainly comprise forging forming, semi-finishing and heat treatment, while the traditional production equipment mainly has the problems of low production efficiency, equipment partition distribution and non-communication of part production routes.
Among the prior art, the manipulator function of robot is comparatively single, just go centre gripping spare part through simple clamping structure, at the in-process that the robot transported, if when transferring the valve body after forging to next technology, because the valve body temperature after forging is higher, the clamping jaw can rise at the clamping valve body rear temperature, lead to the clamping jaw to break down easily, the valve body after forging needs long-time cooling of stewing to enter into process on next step in addition, the process to production is not enough coherent, the efficiency of production can further improve.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a mechanical hand for processing a hydraulic end valve body of a fracturing pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mechanical arm for processing a valve body at the hydraulic end of a fracturing pump comprises a connecting seat, wherein the connecting seat is used for connecting the device to a robot, one end of the connecting seat is fixedly connected with two parallel mounting plates, telescopic rods are arranged on the inner sides of the two mounting plates, and the outer walls of the telescopic rods are fixedly connected with the connecting seat; the clamping transmission mechanism is arranged on the inner sides of the two mounting plates, one end of the clamping transmission mechanism is connected with the telescopic rod, the other end of the clamping transmission mechanism is connected with two symmetrically-distributed clamping plates, the telescopic rod can drive the two clamping plates to contract inwards and clamp the two clamping plates after pushing the clamping transmission mechanism, and a clamping groove is formed in one side, opposite to the two clamping plates, of the two clamping plates; the electromagnetic valves are fixedly provided with high-pressure spray heads on the outer wall of one side, close to the clamping plates, of each electromagnetic valve, the electromagnetic valves are arranged at the tops of the mounting plates, and a plurality of radiating fins are fixedly connected to the outer side of each clamping plate; the negative pressure positioning structure is arranged at the bottom of the mounting plate, the input end of the negative pressure positioning structure is fixedly connected with a communicating pipe, one end of the communicating pipe, which is far away from the negative pressure positioning structure, is connected with the output end of the electromagnetic valve, and when the communicating pipe blows air into the negative pressure positioning structure, the middle part of the negative pressure positioning structure can generate negative pressure; and the jumping mechanism is arranged in the clamping groove.
In foretell manipulator is used in processing of fracturing pump hydraulic end valve body, centre gripping drive mechanism includes worker shape connecting block and rack, the one end of rack and the outer wall fixed connection of worker shape connecting block, every movable groove has all been seted up at the middle part of mounting panel, the outer wall of worker shape connecting block and the inner wall sliding connection in movable groove, the outer wall of worker shape connecting block and the tip fixed connection of telescopic link, every curved latch has all been seted up to the one end that the grip block is close to the rack, the centre of a circle department of latch is provided with the jack-post, the outer wall of jack-post and the outer wall fixed connection of grip block, the both ends and two mounting panel swing joint of jack-post.
In the above-mentioned manipulator is used in processing of fracturing pump hydraulic end valve body, every the outer wall of mounting panel all sets up two spouts that are parallel to each other with the activity groove, the inner wall of spout and the outer wall sliding connection of jack-post, the inner wall at spout both ends all rotates and is connected with two spacing posts, two the interval of high pressure nozzle is less than the diameter of jack-post.
In foretell manipulator is used in processing of fracturing pump hydraulic end valve body, the equal fixedly connected with separation blade in both sides of worker's shape connecting block, two fixedly connected with first extension spring between the grip block.
In foretell manipulator for processing of fracturing pump fluid end valve body, the arc wall has been seted up to one side that negative pressure location structure is close to the grip block, the inner chamber has been seted up at the middle part of arc wall, the inner wall fixedly connected with water conservancy diversion piece of inner chamber, the equal fixed mounting of both sides outer wall of water conservancy diversion piece has a gas outlet head, gas outlet head is linked together with the inside of communicating pipe.
In foretell manipulator is used in processing of fracturing pump hydraulic end valve body, the equal fixedly connected with elasticity separation blade in both sides of arc wall inner wall, two guide plates of one end fixedly connected with of negative pressure location structure, the guide plate is located the both ends setting of arc wall.
In the manipulator for processing the hydraulic end valve body of the fracturing pump, the jumping mechanism comprises an inner supporting block, an outer blocking cover and an air inlet cover, one end of the air inlet cover is communicated with the inside of the inner supporting block, the outer blocking cover is sleeved at the top of the inner supporting block, the inner wall of the outer blocking cover is tightly attached to the outer wall of the inner supporting block, the bottom of the inner wall of the inner supporting block is fixedly connected with a magnet, the top of the inside of the outer blocking cover is also fixedly connected with a magnet, a second tension spring is arranged in the middle of the inner supporting block, the upper end and the lower end of the second tension spring are respectively fixedly connected with the inner walls of the outer blocking cover and the inner supporting block, a first air vent is formed in the outer wall of the outer blocking cover, a second air vent matched with the second air vent is formed in the outer wall of the inner supporting block, and a one-way air guide valve for one-way air inlet is fixedly installed in the air inlet cover.
In the mechanical arm for processing the fracturing pump hydraulic end valve body, the magnetic poles at the opposite sides of the two magnets are the same.
Compared with the prior art, this mechanical arm is used in processing of fracturing pump hydraulic end valve body's advantage lies in:
1. the heat on the valve body and the clamping plate is taken away by the airflow sprayed from the high-pressure spray head, the plurality of radiating fins are fixedly connected to the outer sides of the clamping plate and are used for increasing the contact area of the clamping plate and the air, so that the clamping plate has good heat dissipation, the compressed air is released from the air outlet heads at the two ends of the flow guide block, and the airflow discharged from the two sides can cool the valve body when the valve body is not clamped, so that the step of standing and cooling can be shortened or even omitted, the production process is coherent, and the production efficiency is improved;
2. the outer blocking cover moves upwards due to repulsive force between the two magnets, air enters the inner support block from the air inlet cover, the air in the inner support block is heated to expand due to heat on the valve body during clamping, the outer blocking cover is further lifted upwards and constrained by the second tension spring, the pressure in the inner support block is gradually increased, when the first vent hole and the second vent hole are overlapped, the air in the inner support block is instantly released, the outer blocking cover rapidly falls under the restraint of the second tension spring, the friction between the valve body and the top of the outer blocking cover is extremely small in the falling process, namely the valve body can be easily forced to rotate when the high-pressure nozzle cools the valve body, and therefore the temperature of the valve body is fully cooled;
3. the communicating pipe is connected with compressed air, the compressed air is released from the air outlet heads at the two ends of the flow guide block, high-speed airflow flows through the surface of the arc-shaped groove, negative pressure is formed at the inner cavity according to Bernoulli's theorem, the outer wall of the valve seat is fixed in an adsorption mode, the valve body can be clamped by the device for heat dissipation, clamping and positioning can be assisted, and the operating requirement for subsequent installation and fixation is met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the present invention in another direction;
FIG. 3 is a disassembled perspective view of the mounting plate of the present invention;
FIG. 4 is a schematic view of the clamp actuator of the present invention;
FIG. 5 is a schematic perspective view of the clamping plate of the present invention;
FIG. 6 is a cross-sectional structural view at the mounting plate of the present invention;
FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6 according to the present invention;
FIG. 8 is a cross-sectional schematic view of the negative pressure positioning structure of the present invention;
FIG. 9 is an enlarged schematic view of the structure at B in FIG. 8 according to the present invention;
FIG. 10 is an enlarged schematic view of the structure of the jitter structure of the present invention;
FIG. 11 is a schematic cross-sectional structural view of the jumping structure of the present invention;
fig. 12 is a schematic perspective view of the valve body of the present invention after clamping.
In the figure: 1. a connecting seat; 2. mounting a plate; 3. a telescopic rod; 4. a clamping transmission mechanism; 5. a clamping plate; 6. a chute; 7. a card slot; 8. an electromagnetic valve; 9. a high pressure spray head; 10. a jumping mechanism; 11. a negative pressure positioning structure; 12. a heat sink; 13. a movable groove; 14. an I-shaped connecting block; 15. a rack; 16. a column shaft; 17. clamping teeth; 18. a baffle plate; 19. a limiting column; 20. a first tension spring; 21. an inner cavity; 22. a flow guide block; 23. an arc-shaped slot; 24. an elastic baffle plate; 25. a baffle; 26. a communicating pipe; 27. an air outlet head; 28. an inner supporting block; 29. an outer shield; 30. a magnet; 31. a second tension spring; 32. a first vent hole; 33. a second vent hole; 34. an air inlet cover; 35. a one-way air guide valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-12, a mechanical arm for processing a fracturing pump hydraulic end valve body comprises a connecting seat 1, wherein the connecting seat 1 is used for connecting the device to a connecting arm of a robot, one end of the connecting seat 1 is fixedly connected with two parallel mounting plates 2, the two mounting plates 2 are distributed up and down, telescopic rods 3 are arranged on the inner sides of the two mounting plates 2, and the outer walls of the telescopic rods 3 are fixedly connected with the connecting seat 1; the clamping transmission mechanism 4 is installed on the inner sides of the two installation plates 2, one end of the clamping transmission mechanism 4 is connected with the telescopic rod 3, the other end of the clamping transmission mechanism 4 is connected with the two clamping plates 5 which are symmetrically distributed, the clamping transmission mechanism 4 serves as a transmission structure, after the telescopic rod 3 pushes the clamping transmission mechanism 4, the two clamping plates 5 can be driven to rotate and contract inwards to clamp through transmission of the clamping transmission mechanism 4, a clamping groove 7 is formed in one side, opposite to the two clamping plates 5, and the clamping groove 7 is used for clamping a valve body; the electromagnetic valve 8 is used for controlling the on-off of high-pressure airflow, the outer wall of one side, close to the clamping plate 5, of the electromagnetic valve 8 is fixedly provided with a high-pressure spray head 9, the high-pressure spray head 9 sprays airflow to take away heat on the valve body and the clamping plate 5, the electromagnetic valve 8 is arranged at the top of the mounting plate 2, the outer side of each clamping plate 5 is fixedly connected with a plurality of radiating fins 12, and the radiating fins 12 are used for increasing the contact area of the clamping plate 5 and air, so that the clamping plate 5 has good radiating performance; the negative pressure positioning structure 11 can pull the clamping transmission mechanism 4 and the clamping plate 5 to synchronously contract after the telescopic rod 3 contracts, so that the outer wall of the valve body is close to the negative pressure positioning structure 11, the negative pressure positioning structure 11 is used for assisting in clamping the valve body and keeping the stability of the valve body, the valve body is enabled to have reliable stability during clamping under the common positioning of the clamping plate 5 and the negative pressure positioning structure 11, the negative pressure positioning structure 11 is installed at the bottom of the installation plate 2, the input end of the negative pressure positioning structure 11 is fixedly connected with a communicating pipe 26, one end, far away from the negative pressure positioning structure 11, of the communicating pipe 26 is connected with the output end of the electromagnetic valve 8, and when the communicating pipe 26 blows into the negative pressure positioning structure 11, negative pressure is generated in the middle of the negative pressure positioning structure 11 according to the Bernoulli principle; the jumping mechanism 10 is installed inside the clamping groove 7, the jumping mechanism 10 is used for jumping to reduce friction with the valve body, the valve body can rotate under the driving of air flow, and the cooling effect is improved.
Wherein, the clamping transmission mechanism 4 comprises an I-shaped connecting block 14 and a rack 15, one end of the rack 15 is fixedly connected with the outer wall of the I-shaped connecting block 14, a movable groove 13 is arranged at the middle part of each mounting plate 2, the outer wall of the I-shaped connecting block 14 is slidably connected with the inner wall of the movable groove 13, the outer wall of the I-shaped connecting block 14 is fixedly connected with the end part of the telescopic rod 3, one end of each clamping plate 5, which is close to the rack 15, is provided with an arc-shaped latch 17, a shaft column 16 is arranged at the circle center of the latch 17, the outer wall of the shaft column 16 is fixedly connected with the outer wall of the clamping plate 5, two ends of the shaft column 16 are movably connected with the two mounting plates 2, when the movable groove 13 pushes the rack 15 to move, the clamping plate 5 can be driven by the rack 15 to rotate along the shaft column 16, so that the two clamping plates 5 are separated, the outer wall of each mounting plate 2 is provided with two chutes 6 parallel to the movable groove 13, the inner wall of the chute 6 is connected with the outer wall of the shaft post 16 in a sliding manner, the inner walls at two ends of the chute 6 are connected with two limit posts 19 in a rotating manner, the distance between the two high-pressure nozzles 9 is smaller than the diameter of the shaft post 16, when the telescopic rod 3 contracts, due to the limit of the limit posts 19, the two clamping plates 5 are firstly folded in a rotating manner, then the shaft post 16 passes through the two limit posts 19 and slides along the chute 6 under the driving of the rack 15, at the moment, the clamping plates 5 are retracted into the mounting plate 2, finally, the shaft post 16 passes through and is clamped at the limit post 19 at the tail end of the chute 6, then, if the telescopic rod 3 is driven to extend, the rack 15 drives the clamping plates 5 to rotate along the shaft post 16, so that the two clamping plates 5 are opened and a valve body is placed down, wherein both sides of the I-shaped connecting block 14 are fixedly connected with baffle plates 18, and a first tension spring 20 is fixedly connected between the two clamping plates 5, the telescopic rod 3 continues to extend, and when the blocking pieces 18 on the two sides of the I-shaped connecting block 14 abut against the clamping teeth 17, the shaft post 16 passes through the limiting post 19 at the tail end of the sliding groove 6 again until the shaft post 16 is reset.
Wherein, the arc wall 23 has been seted up to one side that negative pressure location structure 11 is close to grip block 5, inner chamber 21 has been seted up at the middle part of arc wall 23, the inner wall fixedly connected with water conservancy diversion piece 22 of inner chamber 21, the equal fixed mounting of both sides outer wall of water conservancy diversion piece 22 has a gas outlet 27, gas outlet 27 is linked together with the inside of communicating pipe 26, the equal fixedly connected with elastic catch 24 in both sides of arc wall 23 inner wall, two guide plates 25 of one end fixedly connected with of negative pressure location structure 11, guide plate 25 is located the both ends setting of arc wall 23, 26 departments insert compressed air communicating pipe, compressed air releases from the gas outlet 27 at water conservancy diversion piece 22 both ends, the surface of arc wall 23 is flowed through to fast-speed air current, according to bernoulli's theorem, make inner chamber 21 department form the negative pressure, thereby it is fixed to the outer wall absorption of valve seat, and the both sides combustion gas can also cool down the valve body when not centre gripping valve body.
Wherein, the jumping mechanism 10 comprises an inner supporting block 28, an outer blocking cover 29 and an air inlet cover 34, one end of the air inlet cover 34 is communicated with the inside of the inner supporting block 28, the outer blocking cover 29 is sleeved on the top of the inner supporting block 28, the inner wall of the outer blocking cover 29 is tightly attached to the outer wall of the inner supporting block 28, the bottom of the inner wall of the inner supporting block 28 is fixedly connected with a magnet 30, the opposite side magnetic poles of the two magnets 30 are the same, the top of the inside of the outer blocking cover 29 is also fixedly connected with the magnet 30, the middle part of the inner supporting block 28 is provided with a second tension spring 31, the upper end and the lower end of the second tension spring 31 are respectively fixedly connected with the inner walls of the outer blocking cover 29 and the inner supporting block 28, the outer wall of the outer blocking cover 29 is provided with a first vent hole 32, the outer wall of the inner supporting block 28 is provided with a second vent hole 33 matched with the second vent hole 33, the inside of the air inlet cover 34 is fixedly provided with a one-way air guide valve 35 for one-way air inlet, firstly, a repulsive force is arranged between the two magnets 30, the outer shield cover 29 moves upwards, air enters the inner support block 28 from the air inlet cover 34, the air inside the inner support block 28 is heated to expand due to the heat of the valve body during clamping, the outer shield cover 29 is lifted upwards further, the outer shield cover 29 is restrained by the second tension spring 31, the pressure inside the inner support block 28 is gradually increased, when the first vent hole 32 is overlapped with the second vent hole 33, the air inside the inner support block 28 is released instantly, the outer shield cover 29 falls rapidly under the restraint of the second tension spring 31, the friction between the valve body and the top of the outer shield cover 29 is extremely small during falling, namely the high-pressure nozzle 9 can easily rotate the valve body under the stress during the temperature reduction of the valve body, so that the temperature reduction of the valve body is more sufficient, and the operation is repeated after the outer shield cover 29 is retracted, so that the clamped valve body jumps.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a mechanical hand is used in processing of fracturing pump fluid end valve body which characterized in that includes:
the robot comprises a connecting seat (1) for connecting the device to a robot, wherein one end of the connecting seat (1) is fixedly connected with two parallel mounting plates (2), telescopic rods (3) are arranged on the inner sides of the two mounting plates (2), and the outer walls of the telescopic rods (3) are fixedly connected with the connecting seat (1);
the clamping transmission mechanism (4) is installed on the inner sides of the two installation plates (2), one end of the clamping transmission mechanism (4) is connected with the telescopic rod (3), the other end of the clamping transmission mechanism (4) is connected with the two clamping plates (5) which are symmetrically distributed, the telescopic rod (3) can drive the two clamping plates (5) to contract inwards and clamp the clamping plates after pushing the clamping transmission mechanism (4), and a clamping groove (7) is formed in one side, opposite to the two clamping plates (5);
the electromagnetic valve (8) is fixedly provided with a high-pressure spray head (9) on the outer wall of one side, close to the clamping plate (5), of the electromagnetic valve (8), the electromagnetic valve (8) is arranged at the top of the mounting plate (2), and the outer side of each clamping plate (5) is fixedly connected with a plurality of radiating fins (12);
the negative pressure positioning structure (11), the negative pressure positioning structure (11) is installed at the bottom of the installation plate (2), the input end of the negative pressure positioning structure (11) is fixedly connected with a communicating pipe (26), one end, far away from the negative pressure positioning structure (11), of the communicating pipe (26) is connected with the output end of the electromagnetic valve (8), and when the communicating pipe (26) blows air into the negative pressure positioning structure (11), the middle of the negative pressure positioning structure (11) can generate negative pressure;
and the jumping mechanism (10), wherein the jumping mechanism (10) is arranged in the clamping groove (7).
2. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 1, wherein: centre gripping drive mechanism (4) are including worker shape connecting block (14) and rack (15), the one end of rack (15) and the outer wall fixed connection who works shape connecting block (14), every movable groove (13) have all been seted up at the middle part of mounting panel (2), the outer wall of worker shape connecting block (14) and the inner wall sliding connection who moves about groove (13), the outer wall of worker shape connecting block (14) and the tip fixed connection of telescopic link (3), every curved latch (17) have all been seted up to the one end that grip block (5) are close to rack (15), the centre of a circle department of latch (17) is provided with jack-post (16), the outer wall of jack-post (16) and the outer wall fixed connection of grip block (5), the both ends and two mounting panel (2) swing joint of jack-post (16).
3. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 2, wherein: every two spout (6) that parallel with activity groove (13) are all seted up to the outer wall of mounting panel (2), the inner wall of spout (6) and the outer wall sliding connection of jack-post (16), the inner wall at spout (6) both ends all rotates and is connected with two spacing post (19), two the interval of high pressure nozzle (9) is less than the diameter of jack-post (16).
4. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 2, wherein: both sides of worker shape connecting block (14) all fixedly connected with separation blade (18), two fixedly connected with first extension spring (20) between grip block (5).
5. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 1, wherein: negative pressure location structure (11) are close to one side of grip block (5) and have seted up arc wall (23), inner chamber (21) have been seted up at the middle part of arc wall (23), the inner wall fixedly connected with water conservancy diversion piece (22) of inner chamber (21), the equal fixed mounting in both sides outer wall of water conservancy diversion piece (22) has gas outlet head (27), gas outlet head (27) are linked together with the inside of communicating pipe (26).
6. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 5, wherein: the equal fixedly connected with elasticity separation blade (24) in both sides of arc wall (23) inner wall, two guide plates (25) of one end fixedly connected with of negative pressure location structure (11), guide plate (25) are located the both ends setting of arc wall (23).
7. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 1, wherein: beat mechanism (10) and cover (34) including interior piece (28), outer fender cover (29) and the air inlet, the one end of air inlet cover (34) is linked together with the inside of interior piece (28), the top of interior piece (28) is cup jointed in outer fender cover (29), the inner wall of outer fender cover (29) closely laminates with the outer wall of interior piece (28), the bottom fixedly connected with magnet (30) of interior piece (28) inner wall, the inside also fixedly connected with magnet (30) in top of outer fender cover (29), the middle part of interior piece (28) is provided with second extension spring (31), the upper and lower both ends of second extension spring (31) respectively with the inner wall fixed connection of outer fender cover (29), interior piece (28), first air vent (32) have been seted up to the outer wall of outer fender cover (29), the outer wall of interior piece (28) has seted up second air vent (33) matched with second air vent (33), the one-way air guide valve (35) of the one-way air inlet of the inside fixed mounting of air inlet cover (34) of air inlet.
8. The mechanical arm for processing the hydraulic end valve body of the fracturing pump as claimed in claim 7, wherein: the opposite sides of the two magnets (30) have the same magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211703002.8A CN115674247B (en) | 2022-12-29 | 2022-12-29 | Mechanical arm for machining hydraulic end valve body of fracturing pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211703002.8A CN115674247B (en) | 2022-12-29 | 2022-12-29 | Mechanical arm for machining hydraulic end valve body of fracturing pump |
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| CN115674247A true CN115674247A (en) | 2023-02-03 |
| CN115674247B CN115674247B (en) | 2023-03-17 |
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| CN202211703002.8A Active CN115674247B (en) | 2022-12-29 | 2022-12-29 | Mechanical arm for machining hydraulic end valve body of fracturing pump |
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| CN114310666A (en) * | 2022-01-25 | 2022-04-12 | 湖北中油科昊机械制造有限公司 | Novel process method and device for machining valve seat |
| CN114412763A (en) * | 2022-03-30 | 2022-04-29 | 东营百华石油技术开发有限公司 | Oil-well pump for well washing |
| CN115229101A (en) * | 2022-07-22 | 2022-10-25 | 盐城市崇达石化机械有限公司 | Integral forging process and equipment for valve body of fracturing pump |
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| CN115674247B (en) | 2023-03-17 |
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