CN217571664U

CN217571664U - Clamping device and valve body assembling device

Info

Publication number: CN217571664U
Application number: CN202221453604.8U
Authority: CN
Inventors: 姜琛; 李晓斌; 王宝杰
Original assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Current assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-14
Anticipated expiration: 2032-06-09

Abstract

The application relates to the technical field of part assembly, and discloses a clamping device and a valve body assembly device. Wherein press from both sides and get device includes: clamping jaw and actuating lever, clamping jaw include the spacing groove, and the actuating lever includes extension and assembly portion, the clamping jaw rotationally assemble in assembly portion, the extension is used for controlling the spacing groove with treat that the clamp gets a joint or release. Compared with the prior art, the clamping jaw rotationally assembles in the assembly part of actuating lever, makes things convenient for the relative actuating lever of clamping jaw rotatory, just also can adjust the clamping jaw in a flexible way and treat the clamp angle of mounting mutually, deals with the structure of different cavitys, the convenience in the further improvement assembling process.

Description

Clamping device and valve body assembling device

Technical Field

The application relates to the technical field of part assembly, in particular to a clamping device and a valve body assembly device.

Background

When parts installed in the cavity of the equipment are installed or disassembled, the whole equipment is often disassembled by workers, so that the assembly is carried out by consuming large manpower, and the difficulty of the disassembly and the installation is further increased because the assembling position of the parts in the cavity is narrow and the operation space is small.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the assembly of the part in the cavity is difficult, hard, the main aim at of this application provides one kind and gets device and valve body assembly quality of pressing from both sides that can swiftly assemble the part in the cavity.

In order to realize the purpose of the utility model, the following technical scheme is adopted in the application:

according to an aspect of the present application, there is provided a gripping apparatus including:

the clamping jaw comprises a limiting groove;

the driving rod comprises an extension part and an assembly part, the clamping jaw is rotatably assembled on the assembly part, and the extension part is used for controlling the limiting groove to be clamped or released with a piece to be clamped.

According to an embodiment of the application, the clamping jaw further comprises a connecting piece, one end of the connecting piece is rotatably connected with the assembling portion, and the other end of the connecting piece is fixedly connected with the clamping jaw.

According to an embodiment of the present application, the connecting member includes a rotating portion and a fixing portion, the rotating portion and the assembling portion are rotatably connected, and the fixing portion and the clamping jaw are fixedly connected.

According to an embodiment of this application, wherein assembly portion is the through-hole, the rotating part rotationally assemble in the through-hole, the one end of fixed part with rotating part fixed connection, the other end to the clamping jaw extends, and with clamping jaw fixed connection.

According to an embodiment of the present application, wherein the connecting piece is V-shaped or C-shaped, the rotating portion is located at a bending position of the connecting piece, and the fixing portion is located at two ends of the connecting piece.

According to an embodiment of the present application, an arc-shaped abutting surface is provided between the rotating portion and the fitting portion.

According to an embodiment of the application, wherein the clamping jaw includes the fixing base, the fixing base encloses into the spacing groove, the spacing groove includes the opening, the opening is towards treating the clamp and gets the piece.

According to an embodiment of the application, wherein the fixing base includes towards the joint wall of spacing groove, treat that the clamp is got and pass through the spacing being fixed in of joint wall spacing in the spacing groove.

According to an embodiment of the present application, the fixing base includes a guide wall facing the opening portion, and the guide wall is disposed at both ends of the catching wall.

According to another aspect of this application, provide a valve body assembly quality, include press from both sides get the device, wherein, the extension of actuating lever extends outside the installation cavity of valve seat to drive the spacing groove of clamping jaw with the valve body joint or the release in the installation cavity.

By above-mentioned technical scheme can know, the advantage and the positive effect of getting device and valve body assembly quality of this application lie in: the clamping jaw is used for pressing from both sides to get and treats the clamp and get the piece, and the extension through the actuating lever can stretch out the outside of cavity, control the spacing groove of clamping jaw with treat that the clamp gets a joint or release, because the clamping jaw rotationally assembles in the assembly portion of actuating lever, make things convenient for the relative actuating lever of clamping jaw rotatory, just also can adjust the clamping jaw in a flexible way and treat the clamp of mounting and get the angle, reply the structure of different cavities, convenience in the further improvement assembling process.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic overall structural diagram of a gripping device according to an embodiment of the present disclosure;

fig. 2 is a schematic overall structure diagram of a clamping jaw in the clamping device provided in the embodiment of the present application;

fig. 3 is a schematic overall structure diagram of a connecting member in a clamping device according to an embodiment of the present disclosure;

fig. 4 is a schematic overall structure diagram of a driving rod in a gripping device according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a use state of a gripping device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a use state of the valve body assembling device according to the embodiment of the present application.

10. A clamping jaw; 11. a limiting groove; 111. an opening part; 12. a fixed seat; 13. a clamping wall; 14. a guide wall;

20. a drive rod; 21. an extension; 22. an assembling portion; 221. a through hole;

30. a connecting member; 31. a rotating part; 32. a fixed part;

40. a part to be clamped; 50. and (7) installing a cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The workman is when the internal assembly part of cavity such as valve box, because operating space is limited, and most all carries out the part installation through the installation through-hole, and the operation of getting up to install is inconvenient, and dismantles the installation degree of difficulty big, and the assembly of part is difficult to add more difficult between the cavity, for improving assembly efficiency, according to an aspect of this application, provides a clamp and gets the device, includes:

a clamping jaw 10 comprising a limiting groove 11;

the driving rod 20 comprises an extension part 21 and an assembly part 22, the clamping jaw 10 is rotatably assembled on the assembly part 22, and the extension part 21 is used for controlling the limiting groove 11 to be clamped or released with the to-be-clamped part 40.

Referring to fig. 1 to 5, the clamping jaw 10 is used for clamping a to-be-clamped member 40, and the extension portion 21 of the driving rod 20 can extend out of the outer side of the cavity to control the clamping of the limiting groove 11 of the clamping jaw 10 and the to-be-clamped member 40 to be clamped or released, and since the clamping jaw 10 is rotatably assembled to the assembling portion 22 of the driving rod 20, the clamping jaw 10 can be conveniently rotated relative to the driving rod 20, so that the clamping angle of the clamping jaw 10 relative to the to-be-clamped member can be flexibly adjusted, structures of different cavities can be matched, and convenience in the assembling process can be further improved.

Referring to fig. 3, according to an embodiment of the present application, a connecting member 30 is further included, wherein one end of the connecting member 30 is rotatably connected to the mounting portion 22, and the other end is fixedly connected to the clamping jaw 10. Connecting piece 30 can set up to the pin, assembly portion 22 can set up the swivelling hole, clamping jaw 10 passes through the pin rotates with assembly portion 22 to be connected, and when using, outside extension 21 stretched out the cavity of installation, assembly portion 22 and clamping jaw 10 stretched into installation cavity 50 in, through spacing groove 11 with treat that the clamp gets 40 joint, treat that the clamp gets 40 and dismantle, or through spacing groove 11 with treat that the clamp gets 40 joint after, will treat through assembly portion 22 that the clamp gets 40 and remove to the cavity wait the mounted position and assemble.

In the use, because the internal structural change of installation cavity 50, clamping jaw 10 is rotatory relative to assembly portion 22, conveniently adjusts the joint angle between spacing groove 11 and the piece 40 of waiting to get, also is convenient for adjust the angle of clamping jaw 10 in installation cavity 50, improves the convenience in the assembling process.

According to an embodiment of the present application, the connecting element 30 includes a rotating portion 31 and a fixing portion 32, the rotating portion 31 is rotatably connected to the assembling portion 22, and the fixing portion 32 is fixedly connected to the clamping jaw 10. Rotating part 31 and assembly portion 22 pass through the mode rotatable coupling of pin or rings, and fixed part 32 is extended to treating the 40 directions of clip by rotating part 31, rotating part 31 and fixed part 32 body coupling have the rotation axis between assembly portion 22 and the rotating part 31, fixed part 32 is the radius of rotation of clamping jaw 10 to the convenient angle to the relative actuating lever 20 of clamping jaw 10 is adjusted.

Referring to fig. 3 and 4, according to an embodiment of the present disclosure, the assembling portion 22 includes a through hole 221, the rotating portion 31 is rotatably assembled to the through hole 221, one end of the fixing portion 32 is fixedly connected to the rotating portion 31, and the other end extends toward the clamping jaw 10 and is fixedly connected to the clamping jaw 10. The rotating portion 31 may be configured as a pin structure, and the pin passes through the through hole 221 and is rotatably assembled to the assembling portion 22 of the driving rod 20, such that one end of the fixing portion 32 is integrally connected to the rotating portion 31, and the other end extends toward the clamping jaw 10 and is fixedly connected to the clamping jaw 10. Under the influence of the self gravity of the clamping jaw 10, the rotating part 31 rotates relative to the assembling part 22 of the driving rod 20, after the limiting groove 11 of the clamping jaw 10 is clamped with the part 40 to be clamped, the extending part 21 passes through the lever principle, when the clamping jaw is disassembled, after the limiting groove 11 in the clamping jaw 10 is clamped with the part 40 to be clamped in the first direction, the assembling part 22 is driven to apply force to the clamping jaw 10 in the second direction, the first direction and the second direction can be set to be perpendicular to each other, so that the clamping jaw 10 can drive the part 40 to be clamped far away from the installation position, and the disassembly is realized.

According to an embodiment of the present application, the connecting member 30 is V-shaped or C-shaped, the rotating portion 31 is located at the bending position of the connecting member 30, and the fixing portions 32 are located at both ends of the connecting member 30. By way of example, the connecting member 30 is a V-shaped or C-shaped cylindrical structure, the fixing portions 32 are disposed at two ends of the connecting member 30, the fixing portions 32 at two ends of the connecting member 30 are symmetrically disposed, and the fixing portions 32 are fixedly connected with two positions of the clamping jaw 10, so as to further improve the stability of the clamping jaw 10 for clamping the to-be-clamped member 40.

According to an embodiment of the present application, an arc-shaped abutting surface (not labeled) is provided between the rotating portion 31 and the assembling portion 22. The connecting piece 30 is a cylindrical structure, and the force bearing surface between the rotating part 31 and the assembling part 22 is an arc abutting surface, so that the resistance of the rotating part 31 in rotating relative to the assembling part 22 is reduced, and preferably, the rotating part 31 can rotate relative to the assembling part 22 within a range of 360 degrees to meet the use requirements under different conditions.

Referring to fig. 2 and 5, according to an embodiment of the present application, the clamping jaw 10 includes a fixing seat 12, the fixing seat 12 encloses the limiting groove 11, the limiting groove 11 includes an opening portion 111, and the opening portion 111 faces the to-be-clamped member 40. As an example, the fixing base 12 may be set to be a plate-shaped structure, the fixing portion 32 in the connecting component 30 is vertically connected to the plate surface of the fixing base 12, the limiting groove 11 is formed along the extending direction of the plate surface of the fixing base 12, the opening portion 111 faces the to-be-clamped component 40, so that the to-be-clamped component 40 passes through the opening portion 111 and is limitedly fixed in the limiting groove 11 along the extending direction of the plate surface of the fixing base 12, after the driving rod 20 applies force, and during detachment, after the limiting groove 11 in the clamping jaw 10 and the to-be-clamped component 40 are clamped in the extending direction of the plate surface of the fixing base 12, the extending portion extends out of the mounting cavity 50, and according to a lever principle, after applying force to the extending portion, the assembling portion 22 may be driven to apply force to the clamping jaw 10 in the perpendicular direction of the plate surface of the fixing base 12, so that the clamping jaw 10 can drive the to-be-clamped component 40 to be far away from the mounting position, thereby achieving detachment.

According to an embodiment of the present application, wherein the fixing seat 12 includes a clamping wall 13 facing the limiting groove 11, the to-be-clamped component 40 is fixed in the limiting groove 11 in a limiting manner through the clamping wall 13. As an example, the clamping wall 13 is in a step structure or a necking structure along the vertical direction of the surface of the fixing seat 12, and further, the clamping stability between the clamping jaw 10 and the to-be-clamped part 40 is improved through the clamping wall 13, the to-be-clamped part 40 is fixed in the limiting groove 11 in a limiting manner, and the relative displacement between the clamping jaw 10 and the to-be-clamped part 40 is avoided when the to-be-clamped part 40 is assembled through the clamping device.

According to an embodiment of the present application, the fixing base 12 includes a guide wall 14 facing the opening 111, and the guide wall 14 is disposed at both ends of the engaging wall 13. The guide walls 14 are connected with the clamping walls 13, the opening calibers of the two guide walls 14 are gradually reduced from the opening parts 111 of the limiting grooves 11 to the inner side direction of the limiting grooves 11, the to-be-clamped piece 40 is guided to move to the clamping walls 13 from the guide walls 14, the clamping walls 13 on the peripheral sides of the limiting grooves 11 are clamped with the corresponding positions of the to-be-clamped piece 40, the clamping efficiency between the clamping jaws 10 and the to-be-clamped piece 40 is improved through the guide walls 14, and then the assembling efficiency is improved.

As an example, referring to fig. 5, when the clamping device is actually used for installation, the to-be-clamped part 40 is clamped into the limiting groove 11 outside the installation cavity 50, at this time, the clamping wall 13 is in forced clamping with the to-be-clamped part 40 in the extending direction of the plate surface of the fixing base 12, under the action of the self gravity of the to-be-clamped part 40, the rotating part 31 of the connecting part 30 rotates to a stable state relative to the assembling part 22 of the driving rod 20, so that the to-be-clamped part 40 is stably clamped with the clamping jaw 10 in the vertical direction, a worker or a driving assembly can drive the to-be-clamped part 40 to extend into the installation cavity 50 through the extending part of the driving rod 20, when the to-be-clamped part 40 moves to the assembling position, the fixing base 12 applies a force to the to-be-clamped part through the lever principle, so as to improve the stability of the assembly between the to-be-clamped part 40 and the assembling position, after the assembly, the assembling part 22 is pulled out of the connecting part 30 from the installation cavity 50 through the extending part, the clamping device is separated from the limiting groove 11, and the to complete the clamping of the installation.

When the clamping device is used for dismounting in practice, the clamping device extends into the mounting cavity 50, the assembly portion 22 is driven by the extending portion to extend into the mounting cavity 50, the rotating portion 31 of the connecting piece 30 simultaneously rotates relative to the assembly portion 22 of the driving rod 20 and drives the fixing portion 32, the clamping jaw 10 is close to the to-be-clamped piece 40 along the extending direction of the surface of the fixing base 12, the clamping jaw 10 continues to move after the to-be-clamped piece 40 faces the opening portion 111, the to-be-clamped piece 40 enters the limiting groove 11 along the guide arm and is stably clamped with the clamping wall 13 in the extending direction of the surface of the fixing base 12, the extending portion drives the assembly portion 22 to apply force to the clamping jaw 10 and the surface of the fixing base 12 in the vertical direction through the lever principle, the clamping jaw 10 can drive the to-be-clamped piece 40 to be far away from the mounting position, after the to-be-clamped piece 40 is completely taken out from the mounting position, the assembly portion 22 is driven by the extending portion to be taken out from the mounting cavity 50, the clamping device and the to-be-clamped piece 40 are taken out, and dismounting is realized.

The hydraulic fracturing construction gradually becomes the main production increasing measure of an oil field, fracturing fluid or sand carrying fluid is pumped to the bottom of a well under the action of high pressure to realize fracturing operation, so that the oil gas yield is increased. The key component of the construction mode is a plunger pump for generating high pressure, and the plunger pump mainly comprises a power end and a hydraulic end. Along with the large-scale exploitation of unconventional energy, the fracturing operation has higher pressure and longer operation time, which can accelerate the damage of the plunger pump, particularly the erosion and the abrasion of a vulnerable part 'valve body' inside a hydraulic end under the action of a high-pressure medium. In the field use process of an oil field, the special maintenance tool can be used for quickly replacing the valve body in the hydraulic end, so that the manpower can be saved for customers, the operation efficiency can be improved, and the operation time can be shortened. Therefore, the invention (or the utility model) can rapidly complete the replacement of the valve body in the hydraulic end of the plunger pump by developing and designing the valve body taking-out tool, thereby improving the operation production efficiency.

According to another aspect of the application, a valve body assembling device is provided, which includes the clamping device, wherein the extension portion 21 of the driving rod 20 extends to the outside of the installation cavity 50 of the valve seat, so as to drive the limiting groove 11 of the clamping jaw 10 to be clamped with or released from the valve body in the installation cavity 50.

By way of example, with reference to figures 1-6, the gripping device is composed of three parts: a dismounting rod (corresponding to the driving rod 20), a lifting ring (corresponding to the connecting piece 30) and a jaw (corresponding to the jaw 10). The front end (corresponding to the assembling part 22) of the dismounting rod is provided with a through hole 221, the hanging ring passes through the through hole 221 on the dismounting rod and then is fixed with the clamping jaw, and the clamping jaw can rotate freely around the through hole 221 on the handle rod.

1. The same tool can realize the disassembly of the upper valve body and the lower valve body in a mode of rotating the front end hanging ring (equivalent to the connecting piece 30) on the handle rod (equivalent to the driving rod 20) for 360 degrees, reduces the types of field maintenance tools, and is simple to operate.

2. When the lower valve body has an abnormal problem, the valve body taking-out tool can take out the lower valve body easily by using a lever principle by taking the intersecting line of the valve box (equivalent to the installation cavity 50) as a supporting point, so that the operation maintenance efficiency is improved.

3. When the plunger pump pumps acid liquor or other corrosive liquids, an operator can use the tool to disassemble the valve body, so that the hand of the operator is prevented from contacting the corrosive liquid, and the safety of field maintenance personnel is protected.

As an example, referring to fig. 6, when the clamping device is actually used for mounting, the valve body (corresponding to the to-be-clamped part 40) is clamped into the limiting groove 11 outside the mounting cavity 50, at this time, the clamping wall 13 and the valve body are in forced clamping in the extending direction of the surface of the fixing base 12, under the action of the gravity of the valve body, the rotating portion 31 of the connecting member 30 rotates to a stable state relative to the mounting portion 22 of the driving rod 20, so that the valve body and the clamping jaw 10 are stably clamped in the vertical direction, a worker or a driving assembly can drive the valve body to extend into the mounting cavity 50 through the extending portion of the driving rod 20, when the valve body moves to the mounting position, the fixing base 12 applies a force to the valve body toward the mounting position through the lever principle, so as to improve the stability of the mounting between the valve body and the mounting position, after the mounting is completed, the extending portion 22 is driven out of the mounting cavity 50 through the extending portion, the rotating portion 31 of the driving rod 30 simultaneously rotates relative to the mounting portion 22 of the fixing base 20, and pulls the fixing portion 32, so that the clamping jaw 10 is away from the surface of the fixing base 12, and further, the to separate the to be mounted device, and the to be mounted.

When the clamping device is used in practice for disassembling, the clamping device extends into the installation cavity 50, the assembly portion 22 is driven by the extending portion to extend into the installation cavity 50, the rotating portion 31 of the connecting piece 30 simultaneously rotates relative to the assembly portion 22 of the driving rod 20 and drives the fixing portion 32, so that the clamping jaw 10 is close to the valve body along the extending direction of the surface of the fixing base 12, after the clamping piece 40 faces the opening portion 111, the clamping jaw 10 continues to move, the valve body enters the limiting groove 11 along the guide arm and is stably clamped with the clamping wall 13 in the extending direction of the surface of the fixing base 12, and through the lever principle, the extending portion drives the assembly portion 22 to apply force to the clamping jaw 10 in the direction perpendicular to the surface of the fixing base 12, so that the clamping jaw 10 can drive the clamping piece 40 to be clamped to be far away from the installation position, after the valve body is completely taken out of the installation cavity 50 through the extending portion, the clamping device and the valve body are taken out, and then the valve body are taken out, and the disassembly of the valve body is achieved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gripping apparatus, comprising:

the clamping jaw (10) comprises a limiting groove (11);

the driving rod (20) comprises an extension portion (21) and an assembling portion (22), the clamping jaw (10) is rotatably assembled on the assembling portion (22), and the extension portion (21) is used for controlling the limiting groove (11) to be clamped or released with a piece (40) to be clamped.

2. The grasping apparatus according to claim 1, further comprising a connecting member (30), wherein one end of the connecting member (30) is rotatably connected to the fitting portion (22) and the other end is fixedly connected to the holding jaw (10).

3. The gripping apparatus according to claim 2, wherein the connecting member (30) comprises a rotating portion (31) and a fixing portion (32), the rotating portion (31) being rotatably connected to the mounting portion (22), the fixing portion (32) being fixedly connected to the gripping jaw (10).

4. The grasping apparatus according to claim 3, wherein the fitting portion (22) includes a through hole (221), the rotating portion (31) is rotatably fitted in the through hole (221), and one end of the fixing portion (32) is fixedly connected to the rotating portion (31) and the other end thereof extends toward the gripping jaw (10) and is fixedly connected to the gripping jaw (10).

5. The grasping apparatus according to claim 3, wherein the connecting member (30) is V-shaped or C-shaped, the rotating portion (31) is located at a bent position of the connecting member (30), and the fixing portions (32) are located at both ends of the connecting member (30).

6. Gripping device according to any one of claims 3-5, characterized in that between the rotating part (31) and the fitting part (22) there is an arc-shaped abutment surface.

7. The gripping device according to any one of claims 1 to 5, characterised in that the gripping jaw (10) comprises a fixed seat (12), the fixed seat (12) enclosing a limiting groove (11), the limiting groove (11) comprising an opening (111), the opening (111) facing the part (40) to be gripped.

8. The clamping device as claimed in claim 7, characterized in that the holder (12) comprises a clamping wall (13) facing the limiting groove (11), and the part to be clamped (40) is fixed in the limiting groove (11) in a limiting manner by the clamping wall (13).

9. The gripping device according to claim 8, characterized in that the holder (12) further comprises guide walls (14) facing the opening (111), the guide walls (14) being provided at both ends of the catching wall (13).

10. A valve body assembling device, characterized by comprising the clamping device as claimed in any one of claims 1 to 9, wherein the extension part (21) of the driving rod (20) extends out of the valve seat mounting cavity (50) to drive the limiting groove (11) of the clamping jaw (10) to be clamped or released with the valve body in the mounting cavity (50).