CN221247779U - Processing equipment for five-cylinder pump cross head slipper - Google Patents

Abstract

The utility model discloses processing equipment for a five-cylinder pump cross head slipper, which comprises a baffle plate and a pull rod, wherein the baffle plate comprises a left baffle plate and a right baffle plate which are respectively used for being clamped at the left end and the right end of the slipper; the left baffle is fixedly connected with the left end of the pull rod; the right baffle is provided with a second central hole, the outer wall of the right end of the pull rod is provided with external threads, and the right end of the pull rod penetrates through the slide shoe and then penetrates through the second central hole on the right baffle to be connected with the nut in a matched mode. According to the crosshead shoe processing equipment, the structure of clamping the two ends of the shoe is realized by adopting the baffle plate and the pull rod structure, so that uneven stress of the crosshead shoe in the clamping process can be avoided, the situation of extrusion deformation is avoided, the structure is simple, the size is small, the manufacturing cost is low, the use is convenient, the safety is high, meanwhile, the parts are convenient and fast to assemble and disassemble, the stress of the parts is uniform and reasonable, the clamping force can be adjusted, and the crosshead shoe processing equipment is applicable to the field of processing thin-wall parts of the same type, and is economical and applicable.

Description

Processing equipment for five-cylinder pump cross head slipper

Technical Field

The utility model relates to the technical field of petroleum drilling equipment processing, in particular to processing equipment for a five-cylinder pump cross head slipper.

Background

The cross head is widely applied to the five-cylinder pump, is a core component of the five-cylinder pump, is an important component of the cross head, and linearly reciprocates along with the cross head, and among all moving components, in order to reduce the friction coefficient between the cross head and the inner wall of the pump body, the service life of the machine is prolonged, the mechanical performance is ensured to be more stable, and the slide is usually manufactured by adopting copper alloy.

However, in the actual processing process, the thin-wall part made of copper material is easy to generate plastic deformation, the dimensional accuracy is affected, and the conventional clamping mode has defects, such as: in the process of clamping the part, the stress points of the part are not uniform and deform, so that the dimensional accuracy of the finished part is affected.

In view of this, the present application has been made.

Disclosure of utility model

The utility model aims to provide processing equipment for a five-cylinder pump cross head slipper, which aims to solve the technical problem that in a conventional clamping mode, deformation can be caused due to uneven stress points of parts, and the size precision of finished parts is affected.

The utility model is realized by the following technical scheme:

A processing device for a five-cylinder pump cross head slipper comprises a baffle plate and a pull rod,

The baffle plate comprises a left baffle plate and a right baffle plate which are respectively used for being clamped at the left end and the right end of the slipper;

The left baffle is fixedly connected with the left end of the pull rod;

The right baffle is provided with a second central hole, the outer wall of the right end of the pull rod is provided with external threads, and the right end of the pull rod penetrates through the slide shoe and then penetrates through the second central hole on the right baffle to be connected with the nut in a matched mode.

According to the crosshead shoe processing equipment, the structure of clamping the two ends of the shoe is realized by adopting the baffle plate and the pull rod structure, so that uneven stress of the crosshead shoe in the clamping process can be avoided, the situation of extrusion deformation is avoided, the structure is simple, the size is small, the manufacturing cost is low, the use is convenient, the safety is high, meanwhile, the parts are convenient and fast to assemble and disassemble, the stress of the parts is uniform and reasonable, the clamping force can be adjusted, and the crosshead shoe processing equipment is applicable to the field of processing thin-wall parts of the same type, and is economical and applicable.

In a specific embodiment, a first positioning step matched with the diameter of the inner circular surface of the shoe is machined on one side, facing the shoe, of the left baffle plate, and a second positioning step matched with the diameter of the inner circular surface of the shoe is machined on one side, facing the shoe, of the right baffle plate.

In a specific embodiment, a centering plane is machined on one side, facing away from the slipper, of the left baffle plate.

In a specific embodiment, a first central hole is formed in the left baffle, a pull rod clamping position is reserved at the left end of the pull rod, and the connecting part of the left baffle and the pull rod after the pull rod clamping position passes through the first central hole is fixedly connected; or the left baffle plate and the left end of the pull rod are integrally formed, and the left center of the left baffle plate is provided with a pull rod clamping position.

In a specific embodiment, a first central hole is formed in the left baffle, a baffle clamping position is arranged on the left side of the left baffle, and the left end of the pull rod penetrates through the first central hole and is in threaded connection with the nut.

In a specific embodiment, a limiting boss with a diameter larger than an inner diameter of the central hole is arranged on the right side of the left baffle plate mounted at the left end of the pull rod.

In a specific embodiment, a tip hole is formed in the right end face of the pull rod.

In a specific embodiment, the baffle is made of common carbon structural steel, and the baffle structure is disc-shaped.

In a specific embodiment, the pull rod is made of common carbon structural steel, and the pull rod structure is cylindrical or cylindrical stepped.

In a specific embodiment, the left baffle and the right baffle are both in a partially hollowed-out flange structure.

The flange with the structure can lighten the weight of the whole processing equipment, is convenient to clamp and is not easy to deform.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. According to the processing equipment for the cross head slipper of the five-cylinder pump, provided by the embodiment of the utility model, the structure of clamping the two ends of the slipper is realized by adopting the baffle plate and the pull rod structure, so that the situation that the cross head slipper is stressed unevenly and is extruded and deformed in the clamping process can be avoided;

2. The processing equipment for the five-cylinder pump cross head slipper provided by the embodiment of the utility model has the advantages of simple structure, small volume, low manufacturing cost, convenience in use, high safety, convenience in part disassembly and assembly, uniform and reasonable part stress, capability of adjusting the clamping force, suitability for the field of processing thin-wall parts of the same type, economy and applicability;

3. The processing equipment for the five-cylinder pump cross head slipper provided by the embodiment of the utility model provides a brand-new and more reasonable clamping mode for product parts with a thin-wall cylindrical structure similar to the cross head slipper;

4. According to the processing equipment for the five-cylinder pump cross head slipper, provided by the embodiment of the utility model, the left baffle plate and the right baffle plate are of the local hollowed-out flange structures, so that the weight of the whole processing equipment can be reduced, the clamping is convenient, and the structure is not easy to deform.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of clamping provided in embodiment 1 of the present utility model;

FIG. 2 is an exploded view of the structural features provided in embodiment 1 of the present utility model;

FIG. 3 is a full sectional view and a partial enlarged view of embodiment 1 of the present utility model;

FIG. 4 is a full sectional view and a partial enlarged view of a tie rod according to embodiment 1 of the present utility model;

Fig. 5 is an assembly diagram of practical application of the slipper provided in embodiment 3 of the present utility model;

FIG. 6 is an exploded view of the structural features provided in embodiment 2 of the present utility model;

FIG. 7 is a full sectional view and a partial enlarged view of embodiment 2 of the present utility model;

FIG. 8 is a full sectional view and a partial enlarged view of the tie rod according to embodiment 2 of the present utility model;

fig. 9 is a comparison diagram of clamping the same type of thin-walled member according to embodiment 4 of the present utility model.

In the drawings, the reference numerals and corresponding part names:

10-baffle, 110-left baffle, 111-alignment plane, 112-positioning step I, 113-center hole I, 114-hollowed waist-shaped hole I, 115-baffle clamping position, 120-right baffle, 122-positioning step II, 123-center hole II, 124-hollowed waist-shaped hole II, 20-slipper, 210-slipper body, 211-oil groove, 212-counter bore, 30-nut, 310-nut body I, 311-body internal thread I, 320-nut body II, 321-body internal thread II, 330-spacer, 40-pull rod, 410-pull rod body, 411-pull rod clamping position, 412-thread relief groove I, 413-external thread I, 414-nut guide section, 415-tip hole, 416-external thread II, 417-thread relief groove II, 418-limit boss, 50-cross head, 510-counter screw.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures have not been described in detail in order to avoid obscuring the present utility model.

Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

Example 1

1-5, The processing equipment for the five-cylinder pump cross head slipper provided by the embodiment of the utility model comprises a baffle plate 10, a nut 30 and a pull rod 40; the baffle 10 comprises a left baffle 110 and a right baffle 120, wherein the left baffle 110 is provided with a centering plane 111, a first positioning step 112, a first central hole 113 and a first hollowed-out waist-shaped hole 114, and the right baffle 120 is provided with a second positioning step 122, a second central hole 123 and a second hollowed-out waist-shaped hole 124; the diameters of the first center hole 113 and the second center hole 123 are equal to the diameter of the outer circle of the pull rod 40, the diameters of the first positioning step 112 and the second positioning step 122 are equal to the diameter of the inner circle surface of the slipper 20, the left baffle 110 and the pull rod 40 are fixed on the left side of the pull rod 40 in a welding mode, and a pull rod clamping position 411 is reserved, or the left baffle 110 and the left end of the pull rod 40 are integrally formed, the left center position of the left baffle 110 is provided with the pull rod clamping position 411, the right baffle 120 and the pull rod 40 are in clearance fit, preferably, the baffles are made of common carbon structural steel and are disc-shaped, and the left baffle 110 and the right baffle 120 are both made of local hollowed flange structures.

The pull rod body 410 is provided with a thread tool retracting groove 412, an external thread 413, a nut guide section 414 and a tip hole 415 on the right end face, preferably, the pull rod body 410 is made of common carbon structural steel and is cylindrical, and the tip hole 415 on the right end face of the pull rod body 410 can be convenient to adopt a one-clamping-one-top processing technology.

The shoe 20 is a typical thin-wall part, the left end face and the right end face of the shoe 20 are respectively embedded into the first baffle positioning step 112 and the second positioning step 122, so that the shoe 20 is accurately positioned, the basic dimensions are the same, a first internal thread 311 is arranged on the nut 30 by adopting clearance fit, the first internal thread 311 is matched with a first external thread 413 on the right side of the pull rod 40, the threads are screwed up, the pull rod 40 drives the left baffle 110 to right, the right baffle 120 is relatively displaced to the left, and the aim of limiting the axial movement or rotation of the shoe is achieved.

In use, the pull rod body 410 welded with the left baffle 110 penetrates through the slipper 20 and penetrates through the right baffle 120, and is matched with the external thread 413 through the nut 30 to connect various parts, so that the slipper 20 is respectively limited to move axially and circumferentially. In the state that the nut 40 is matched with the external thread one 413 and is screwed, the nut 30 is attached to the right end face of the baffle 120, the slipper 20 is in a locked state, and the equipment and parts on the equipment form a whole, so that a stable structure is ensured, the processing quality of the equipment can be effectively ensured, and the equipment is an indispensable part of the equipment. When the nut 30 is loosened from the first external thread 413, the right baffle 120 is in an unstressed state, and the right baffle 120 can move or rotate axially along the pull rod 40, and the shoe 20 is in an unstressed state and can also move or rotate circumferentially along the pull rod 40. In addition, when the parts are required to be loosened or replaced, the nut 30 is only required to be loosened, and the nut has the characteristics of simple structure, convenience in assembly and disassembly, safety and reliability.

Example 2

As shown in fig. 6 to 8, the processing device for the five-cylinder pump cross head slipper provided by the embodiment of the utility model comprises a baffle plate 10, a nut 30 and a pull rod 40; the baffle 10 comprises a left baffle 110 and a right baffle 120, wherein the left baffle 110 is provided with a centering plane 111, a first positioning step 112, a first central hole 113, a first hollowed-out waist-shaped hole 114 and a baffle clamping position 115; the right baffle 120 is provided with a second positioning step 122, a second central hole 123 and a second hollowed-out waist-shaped hole 124; the diameters of the first center hole 113 and the second center hole 123 are equal to the diameter of the outer circle of the pull rod 40, the diameters of the first positioning step 112 and the second positioning step 122 are equal to the diameter of the inner circle surface of the slipper 20, the left baffle 110, the right baffle 120 and the pull rod 40 are in clearance fit and fixed on the left side and the right side of the pull rod 40 in a threaded locking mode, preferably, the baffles are made of common carbon structural steel and are disc-shaped, and the left baffle 110 and the right baffle 120 are in local hollowed-out flange structures.

The pull rod body 410 is provided with a first thread retracting groove 412, a second thread retracting groove 417, a first external thread 413, a second external thread 416, a nut guide section 414, a tip hole 415 on the right end face, and a limit boss 418, preferably, the pull rod body 410 is made of common carbon structural steel, is in a cylindrical ladder shape, and the limit boss 418 is used for limiting the position of the left baffle 110, and then is fastened by the second nut body 320, so that the axial movement or the rotation movement of the left baffle 110 is limited, and the tip hole 415 is arranged on the right end face of the pull rod body 410, so that a one-to-one processing technology is convenient to use.

The shoe 20 is a typical thin-wall part, the left end face and the right end face of the shoe body 210 are respectively embedded into the first baffle positioning step 112 and the second positioning step 122 to enable the two baffle positioning steps to be accurately positioned, the basic dimensions are the same, clearance fit is adopted, the nut 30 comprises a second left nut body 320, the first right nut body 310 and the inner wall of the nut are both provided with a second body internal thread 321 and a first body internal thread 311, the second body internal thread 321 is matched and screwed with the second external thread 416 of the pull rod 40, axial movement and circumferential rotation of the left baffle 110 are limited, the first body internal thread 311 is matched and screwed with the first external thread 413 on the right side of the pull rod 40, the pull rod drives the left baffle to move rightwards, and the right baffle is displaced leftwards relative to achieve the purpose of limiting the axial movement or rotation of the shoe, preferably, the nut body adopts common carbon structural steel, and the outer edge is hexagonal and is convenient to screw with a wrench.

When in use, the left baffle 110 is inserted into the left side of the pull rod 40, the right end face of the left baffle 110 is clung to the limit boss 418, the gasket 330 is inserted (or the gasket is not used) to enlarge the stressed area, the second nut body 320 is screwed up, the shoe body 210 is inserted along the right side of the pull rod, the left end face of the shoe is embedded into the first positioning step 112, the right baffle 120 is inserted from the pull rod 40, the first nut body 310 is matched with the first external thread 413 to connect all parts, and the axial and circumferential movements of the shoe body 210 are respectively limited. Under the state that the nut is screwed with the screw thread, the first nut body 310 is attached to the right end face of the right baffle 120, the slipper body 210 is in a locked state at this time, and the equipment and the parts on the equipment form a whole, so that a stable structure is ensured, and the processing quality of the slipper body can be effectively ensured. When the first nut body 310 is released from the first external thread 413, the right baffle 120 is in an unstressed state, and the right baffle 120 can move or rotate axially along the pull rod 40, and the slipper body 210 is in an unstressed state and can also move or rotate circumferentially along the pull rod 40. In addition, when the parts are required to be loosened or replaced, the first nut body 310 is only required to be loosened, and the nut has the characteristics of simple structure, convenience in assembly and disassembly, safety and reliability.

Example 3

As shown in fig. 2, an embodiment of the present utility model provides a processing device for a cross-head slipper and an assembling process for the slipper, where an oil groove 211 and a counter bore 212 are provided on a slipper body 210. Firstly, 1/3 part of the slipper body 210 is respectively attached to the surfaces of two outer circles of the cross head 50, and the slipper body is matched with the countersunk head screw 510 to extend into the countersunk head hole 212 of the slipper body 210 by utilizing threaded holes distributed on the outer circle surface of the cross head 50 to be fixedly connected with the outer circle of the cross head 50 by threads;

Initial state: the left baffle 110 and the pull rod body 410 are welded into a whole or integrally formed, the right baffle 120, the shoe 20 and the nut 30 are all in a separated state,

The first step: the shoe 20 passes through the pull rod 40, the left end face of the shoe 20 is aligned with the right end face of the left baffle plate 110, so that the left end of the shoe is embedded into the first positioning step 111 of the outer circle of the left baffle plate 110, and the shoe is accurately positioned;

Secondly, the right baffle 120 passes through the pull rod 40, so that the outer circle positioning step 122 of the right baffle 120 is embedded into the right end surface of the slipper 20, and the slipper is accurately positioned;

And a third step of: the nut 30 passes through the pull rod 40 and is matched with the external thread 413 on the right side of the pull rod 40 to form threaded connection;

Fourth step: the nut 30 is screwed down to drive the right baffle plate 120 to move leftwards, so that the distance between the left baffle plate 110 and the right baffle plate 120 is continuously reduced, and the slide shoe 20 is limited to move under the action of clamping force, thereby achieving the effect of positioning and locking;

Fifth step: at this time, all parts on the equipment are mutually matched and are similar to a whole, so that a set of reliable clamping system is formed.

Example 4

As shown in fig. 6, an embodiment of the present utility model provides a processing device for a cross-head slipper and an assembling process for the slipper, where an oil groove 211 and a counter bore 212 are provided on a slipper body 210. Firstly, 1/3 part of the slipper body 210 is respectively attached to the surfaces of two outer circles of the cross head 50, and the slipper body is matched with the countersunk head screw 510 to extend into the countersunk head hole 212 of the slipper body 210 by utilizing threaded holes distributed on the outer circle surface of the cross head 50 to be fixedly connected with the outer circle of the cross head 50 by threads;

Initial state: the left end of the pull rod body 410 passes through the first central hole 113 of the left baffle plate 110 and is in threaded connection with the left end of the pull rod body 410 through the second nut body 320, the pull rod body 410 is provided with a limit boss 418, the right end surface of the left baffle plate 110 is abutted against the left end surface of the limit boss 418, the right baffle plate 120, the slipper 20 and the nut 30 are all in a separated state,

The first step: the shoe 20 passes through the pull rod 40, the left end face of the shoe 20 is aligned with the right end face of the left baffle plate 110, so that the left end of the shoe is embedded into the first positioning step 111 of the outer circle of the left baffle plate 110, and the shoe is accurately positioned;

Secondly, the right baffle 120 passes through the pull rod 40, so that the outer circle positioning step 122 of the right baffle 120 is embedded into the right end surface of the slipper 20, and the slipper is accurately positioned;

And a third step of: the first nut body 310 passes through the pull rod 40 and is matched with the first external thread 413 on the right side of the pull rod to form threaded connection;

Fourth step: the first nut body 310 and the second nut body 320 are screwed tightly, so that the pull rod 40 drives the left baffle plate 110 to move rightwards and the right baffle plate 120 to move leftwards relatively, the distance between the left baffle plate 110 and the right baffle plate 120 is continuously reduced, and the sliding shoe 20 limits the movement under the action of clamping force, so that the positioning and locking effects are achieved;

Fifth step: at this time, all parts on the equipment are mutually matched and are similar to a whole, so that a set of reliable clamping system is formed.

Example 5

As shown in fig. 9, the embodiment of the utility model provides a processing device for a five-cylinder pump cross head slide shoe, which is used for clamping the processing of the thin-wall parts of the same type, and can be applied to the products of the thin-wall parts of other types only by properly modifying the local size data of the device. The utility model has the advantages of simple structure, small volume, convenient disassembly and assembly of parts and reliable clamping.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A processing device for a five-cylinder pump cross head slipper is characterized by comprising a baffle plate (10) and a pull rod (40),

The baffle (10) comprises a left baffle (110) and a right baffle (120) which are respectively used for being clamped at the left end and the right end of the slipper (20);

The left baffle (110) is fixedly connected with the left end of the pull rod (40);

the right baffle (120) is provided with a second center hole (123), the outer wall of the right end of the pull rod (40) is provided with an external thread (413), and the right end of the pull rod (40) penetrates through the slipper (20) and then penetrates through the second center hole (123) of the right baffle (120) to be connected with the nut (30) in a matching way.

2. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein a first positioning step (112) matched with the diameter size of the inner circular surface of the slipper (20) is processed on one side of the left baffle plate (110) facing the slipper (20), and a second positioning step (122) matched with the diameter size of the inner circular surface of the slipper (20) is processed on one side of the right baffle plate (120) facing the slipper (20).

3. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein a centering plane (111) is processed on the side of the left baffle plate (110) facing away from the slipper (20).

4. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein a first central hole (113) is formed in the left baffle plate (110), a pull rod clamping position (411) is reserved at the left end of the pull rod (40), and the connection part of the left baffle plate (110) and the pull rod (40) penetrates through the first central hole (113) in a fixed connection mode;

Or the left baffle (110) and the left end of the pull rod (40) are integrally formed, and a pull rod clamping position (411) is arranged at the center position of the left side of the left baffle (110).

5. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein the left baffle (110) is provided with a first center hole (113), the left side of the left baffle (110) is provided with a baffle clamping position (115), and the left end of the pull rod (40) passes through the first center hole (113) and is in threaded connection with a second nut body (320).

6. The processing device for the five-cylinder pump cross head slipper according to claim 5, wherein a limit boss (418) with a diameter larger than the inner diameter of the first central hole (113) is arranged on the right side of the left baffle (110) mounted on the left end of the pull rod (40).

7. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein a center hole (415) is formed in the right end surface of the pull rod (40).

8. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein the baffle plate (10) is made of common carbon structural steel, and the baffle plate (10) has a disc-shaped structure.

9. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein the pull rod (40) is made of common carbon structural steel, and the pull rod (40) has a cylindrical or cylindrical stepped structure.

10. The processing device for the five-cylinder pump cross head slipper according to claim 1, wherein the left baffle plate (110) and the right baffle plate (120) are of a partially hollowed-out flange structure.