Valve glue dismounting and mounting device

Abstract

The utility model relates to a valve glue dismounting device which comprises a workbench, a mounting mechanism and a dismounting mechanism, a support is fixedly arranged on the workbench, a driving assembly is fixedly arranged on the support, the dismounting mechanism comprises a cutting knife and a dismounting seat, and the mounting mechanism comprises a mounting push cylinder and a mounting seat. The mounting push cylinder is driven by the driving assembly to mount the valve glue to the valve, on one hand, manual mounting can be replaced, the problem that manual operation wastes time and labor is solved, mounting efficiency is greatly improved, on the other hand, it can be ensured that the valve glue is evenly stressed and embedded into the valve, and mounting efficiency is improved. And the problem of rubber deformation or local stress concentration caused by traditional hammering installation can be solved, so that the assembly quality and the service life of the sealing element are remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of fracturing equipment technology, and in particular to a valve assembly / disassembly device. Background Technology

[0002] With the continuous advancement of fracturing technology, the maintenance and replacement needs of the valve assembly, a core component of the fracturing truck plunger pump, are becoming increasingly prominent. The valve assembly mainly consists of a metal valve body and a rubber valve insert. The valve insert, as the primary sealing element, is prone to wear under long-term high-pressure operating conditions, leading to a decline in sealing performance. Therefore, the valve insert needs to be replaced periodically during regular maintenance.

[0003] Currently, the maintenance of valve assemblies involves manual disassembly using tools, followed by manual installation of the valve insert. However, due to the excellent tensile strength and resilience of the valve insert, manual installation is laborious. The lack of specialized fastening tools makes it difficult to standardize the installation of new inserts, affecting maintenance quality and work efficiency. Utility Model Content

[0004] This utility model provides a valve assembly / disassembly device to solve at least one of the above-mentioned technical problems.

[0005] In a first aspect, this utility model provides a valve assembly / disassembly device, comprising:

[0006] A workbench, on which a support is fixedly mounted, and a drive assembly is fixedly mounted on the support;

[0007] The disassembly mechanism includes a cutter and a disassembly base. The disassembly base is mounted on the workbench and located below the support. The disassembly base is used to secure the valve assembly to be disassembled.

[0008] The mounting mechanism includes a mounting pusher and a mounting base. The mounting base is mounted on the worktable and is located below the bracket. The mounting base is used to fix the valve to be installed. The cutter or the mounting pusher is mounted on the output end of the drive assembly.

[0009] During disassembly, the cutter is mounted on the output end of the drive assembly, which drives the cutter to move towards the valve assembly to cut the valve adhesive; or

[0010] During installation, the mounting pusher is mounted on the output end of the drive assembly, which drives the mounting pusher to move toward the valve to install the valve adhesive onto the valve.

[0011] In one embodiment, the disassembly base includes a base plate and a fixing bracket, the fixing bracket being fixed to the base plate and having a fixing slot, and the valve including a valve seat, the fixing slot being able to engage with the valve seat.

[0012] In one embodiment, the disassembly seat further includes a fixed side plate, which is fixed to the base plate and located on one side of the fixed bracket. The valve also includes a valve support rod, and the fixed side plate is used to support the valve support rod.

[0013] In one embodiment, the mounting mechanism further includes a mounting guide sleeve fitted over the valve, and the driving assembly is capable of driving the mounting pusher to move toward the valve so that the valve adhesive moves along the outer side wall of the mounting guide sleeve onto the valve.

[0014] In one embodiment, the mounting guide sleeve has a tapered cross-section, and the mounting push cylinder has a groove inside. The shape of the groove matches the outer surface of the mounting guide sleeve, and the cross-section of the groove is also tapered. The mounting push cylinder can slide along the outer surface of the mounting guide sleeve through the groove.

[0015] In one embodiment, a limiting groove is also provided inside the mounting push cylinder, the limiting groove being used to fix the valve adhesive.

[0016] In one embodiment, the drive assembly includes a drive member, a drive rod, and a connector. The drive member is fixed to the bracket, the drive rod is fixed to the output end of the drive member, and the connector is fixed to the end of the drive rod opposite to the drive member. The mounting push cylinder and the cutter can both be detachably connected to the connector.

[0017] In one embodiment, the support includes a top plate and two side support plates, the side support plates being arranged vertically, the bottom of the side support plates being fixed to the workbench, and the two ends of the top plate being fixedly connected to the two side support plates respectively.

[0018] In one embodiment, the mounting base has a fixing groove, and the valve is fixed in the fixing groove.

[0019] In one embodiment, a positioning seat is fixedly provided on the workbench, and the positioning seat can fix the disassembly seat and the mounting seat.

[0020] Compared with the prior art, the advantages of this utility model are that the embodiments of this application provide a valve adhesive disassembly and assembly device, including a workbench, an installation mechanism and a disassembly mechanism. A bracket is fixedly installed on the workbench, and a drive component is fixedly installed on the bracket. The disassembly mechanism includes a cutter and a disassembly seat, and the installation mechanism includes an installation push cylinder and an installation seat. During installation, the installation push cylinder is driven by the drive component to install the valve adhesive onto the valve. On the one hand, it can replace manual installation, solve the problem of time-consuming and labor-intensive manual operation, and greatly improve the installation efficiency. On the other hand, it can ensure that the valve adhesive is evenly embedded into the valve under force, and overcome the problems of rubber deformation or local stress concentration caused by traditional hammering installation, thereby significantly improving the assembly quality and service life of the sealing components. Attached Figure Description

[0021] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0022] Figure 1 This is a schematic diagram of the workbench and disassembly mechanism of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0023] Figure 2 This is a schematic diagram of the workbench and installation mechanism of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0024] Figure 3 This is a first view of the disassembly base of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0025] Figure 4 This is a second view of the disassembly base of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0026] Figure 5 This is a schematic diagram of the valve assembly and cutter of a valve assembly / disassembly device provided in some embodiments of this application.

[0027] Figure 6 This is a cross-sectional view of the installation mechanism of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0028] Figure 7 This is a cross-sectional view of the mounting pusher of a valve adhesive disassembly and assembly device provided in some embodiments of this application.

[0029] Figure label:

[0030] 1. Cylinder; 2. Top plate; 3. Drive rod; 4. Side support plate; 5. Cutting blade; 6. Valve adhesive; 7. Valve seat; 8. Valve support rod; 9. Disassembly seat; 9-1. Base plate; 9-2. Fixing slot; 9-3. Fixing inclined groove; 9-4. Fixing side plate; 10. Workbench; 11. Mounting push cylinder; 11-1. Connecting pin; 11-2. Limiting groove; 12. Mounting guide sleeve; 13. Mounting seat. Detailed Implementation

[0031] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0032] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0033] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0035] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0036] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0037] The present invention will be further described below with reference to the accompanying drawings.

[0038] Firstly, see Figures 1-2 An embodiment of this application provides a valve assembly / disassembly device, including a workbench 10, a disassembly mechanism, and an assembly mechanism.

[0039] A support is fixedly mounted on the worktable 10, and a drive assembly is fixedly mounted on the support. The disassembly mechanism includes a cutter 5 and a disassembly seat 9. The disassembly seat 9 can be installed on the worktable 10 and is located below the support. The disassembly seat 9 is used to fix the valve assembly to be disassembled. The installation mechanism includes a mounting pusher 11 and a mounting seat 13. The mounting seat 13 can be installed on the worktable 10 and is located below the support. The mounting seat 13 is used to fix the valve to be installed. The cutter 5 or the mounting pusher 11 is installed at the output end of the drive assembly.

[0040] During disassembly, the cutter 5 is mounted on the output end of the drive assembly, which drives the cutter 5 to move towards the valve assembly to cut the valve adhesive 6; or

[0041] During installation, the mounting pusher 11 is mounted at the output end of the drive assembly, which can drive the mounting pusher 11 to move toward the valve to install the valve adhesive 6 onto the valve.

[0042] The valve adhesive disassembly and assembly device provided in this application embodiment, during installation, uses a drive assembly to drive the installation pusher 11 to install the valve adhesive 6 onto the valve. On the one hand, it can replace manual installation, solving the problem of time-consuming and labor-intensive manual operation and greatly improving installation efficiency. On the other hand, it can ensure that the valve adhesive 6 is evenly embedded into the valve under force, overcoming the problems of rubber deformation or local stress concentration caused by traditional hammering installation, thereby significantly improving the assembly quality and service life of the seal. In addition, during disassembly, the drive assembly drives the cutter 5 to cut the valve adhesive 6 of the valve assembly. Compared with manual operation, the cutting depth can be precisely controlled to avoid damage to other components of the valve assembly, and the valve adhesive 6 can be disassembled more conveniently, further improving the overall maintenance efficiency.

[0043] like Figure 1 , Figure 3 and Figure 4 As shown, in some embodiments, the disassembly base 9 includes a base plate 9-1 and a fixing bracket. The fixing bracket is fixed to the base plate 9-1 and has a fixing slot 9-2. The valve includes a valve seat 7, and the fixing slot 9-2 can engage with the valve seat 7.

[0044] The integrated design of the fixed bracket and base plate 9-1, combined with the snap-fit ​​structure between the fixed slot 9-2 and the valve seat 7, enables rapid positioning and stable fixation of the valve assembly. This structure, on the one hand, utilizes the limiting effect of the slot to prevent axial displacement of the valve seat 7 during operation, improving the stability of disassembly; on the other hand, it greatly improves the maintenance efficiency of the valve assembly by simplifying the assembly process of the disassembly mechanism.

[0045] like Figures 3-5 As shown, in some embodiments, the disassembly seat 9 further includes a fixed side plate 9-4, which is fixed to the base plate 9-1 and located on one side of the fixed card seat. The valve also includes a valve support rod 8, which is supported by the fixed side plate 9-4.

[0046] By adding a fixed side plate 9-4 to one side of the fixed card seat and forming a three-dimensional support structure with the base plate 9-1, the radial limiting effect of the fixed side plate 9-4 on the valve support rod 8 during the maintenance of the valve assembly can further improve the stability of the disassembly operation and distribute the force on the entire valve assembly, avoiding deformation of the valve seat 7 caused by stress concentration.

[0047] In some embodiments, the fixing bracket is further provided with a fixing groove 9-3, which can cooperate with the inclined part of the valve support rod 8, thereby further enhancing the support effect of the disassembly seat 9 on the valve assembly, thereby accurately controlling the cutting depth, avoiding damage to other parts of the valve assembly, and making it easier to disassemble the valve glue 6.

[0048] like Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments, the mounting mechanism further includes a mounting guide sleeve 12, which is fitted over the valve. The drive assembly can drive the mounting pusher 11 to move toward the valve so that the valve adhesive 6 moves along the outer wall of the mounting guide sleeve 12 onto the valve.

[0049] By setting the installation guide sleeve 12, the movement path of the valve 6 can be radially constrained, avoiding misalignment or deformation of the sealing ring due to skew during installation. Furthermore, the inner wall of the installation guide sleeve 12 forms a sliding fit with the outer surface of the valve, allowing the valve 6 to move smoothly along its outer wall, reducing unnecessary friction between the valve 6 ring and the valve, and extending the service life of the seal. In addition, the installation guide sleeve 12 can cooperate with the drive assembly and the installation push cylinder 11 to achieve mechanized installation of the valve 6, significantly reducing manual operation intensity and greatly improving maintenance efficiency.

[0050] In addition, in some embodiments, the installation guide sleeve 12 can be designed as a split or adjustable type, thereby adapting to different specifications of valves and sealing rings, improving the versatility of the tooling and reducing equipment modification costs.

[0051] like Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments, the cross-section of the mounting guide sleeve 12 is conical, and a groove is provided inside the mounting push cylinder 11. The shape of the groove matches the outer surface of the mounting guide sleeve 12, and the cross-section of the groove is also conical. The mounting push cylinder 11 can slide along the outer surface of the mounting guide sleeve 12 through the groove.

[0052] By designing the sliding grooves of the installation guide sleeve 12 and the installation push cylinder 11 as matching conical structures, the progressive guidance and self-centering positioning of the valve 6 installation process are achieved, ensuring that the push cylinder always slides along the preset path, eliminating deviations in manual operation, and gradually tightening the valve 6 during the movement of the installation push cylinder 11, which can avoid deformation or damage to the sealing ring caused by instantaneous overload.

[0053] In some embodiments, different compression ratios of valve 6 can be adapted by adjusting the taper angle or the guide sleeve length.

[0054] like Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments, a limiting groove 11-2 is also provided inside the mounting push cylinder 11, and the limiting groove 11-2 is used to fix the valve glue 6.

[0055] By setting the limiting groove 11-2, the valve 6 can be constrained to prevent it from loosening or shifting during the movement of the installation push cylinder 11, ensuring that the rubber ring is always in the preset position. In addition, the limiting groove 11-2 has a pre-fixing function, which allows the operator to pre-install the valve 6 into the push cylinder, realizing a streamlined operation mode from pre-installation to pushing, thereby greatly shortening the single installation cycle time. Furthermore, the limiting groove 11-2 and the conical slide work together, with the limiting groove 11-2 providing the main fixing force during the pushing process. When the rubber ring enters the conical section, it gradually transitions to a radial compression state, thereby achieving smooth transmission.

[0056] In some embodiments, the depth and width of the limiting groove 11-2 can be adaptively adjusted according to different specifications of valve 6.

[0057] like Figure 1 and Figure 2 As shown, in some embodiments, the drive assembly includes a drive member, a drive rod 3, and a connector. The drive member is fixed to the bracket, the drive rod 3 is fixed to the output end of the drive member, and the connector is fixed to the end of the drive rod 3 opposite to the drive member. The push cylinder 11 and the cutter 5 can be detachably connected to the connector.

[0058] By adopting a detachable connector design, the same drive component can be adapted to install the push cylinder 11 and the cutter 5, achieving dual-purpose functionality. Of course, in other embodiments, two sets of drive components can be used according to specific needs, which will not be elaborated here.

[0059] In addition, the cutter 5 and the mounting push cylinder 11 adopt a detachable connection structure, which allows vulnerable parts to be replaced independently, greatly reducing maintenance costs. In some implementations, the drive rod 3 and the connecting parts are coated with anti-corrosion coating, thereby extending the service life of the core transmission components in the highly corrosive environment of the oil field.

[0060] In some embodiments, the mounting push cylinder 11 is provided with a connecting pin 11-1, which enables quick disassembly of the mounting push cylinder 11 from the drive assembly via the connecting pin 11-1 and the connector. In addition, the cutter 5 is also provided with a quick disassembly hole or pin to enable quick disassembly from the drive assembly.

[0061] like Figure 1 and Figure 2 As shown, in some embodiments, the bracket includes a top plate 2 and two side support plates 4. The side support plates 4 are arranged in a vertical direction, and the bottom of the side support plates 4 is fixed to the workbench 10. The two ends of the top plate 2 are respectively fixedly connected to the two side support plates 4.

[0062] The portal frame structure formed by the double-sided support plates 4 and the top plate 2 can greatly improve the structural stability, and by reserving an installation interface at the top plate 2, it can accommodate drive components of different specifications.

[0063] In some embodiments, the two side support plates 4 can also be replaced with two lifting components as needed, thereby enabling the height of the top plate 2 to be adjustable, further accommodating different specifications of valve assemblies, and thus expanding the applicability of the device.

[0064] like Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments, the mounting base 13 has a fixing groove, and the valve is fixed in the fixing groove.

[0065] By precisely fitting the fixing groove with the shape of the valve, automatic centering and positioning are achieved, greatly improving maintenance efficiency and preventing the valve from shifting during the installation of valve glue 6, thus avoiding affecting the installation accuracy.

[0066] like Figure 1 and Figure 2 As shown, in some embodiments, a positioning seat is fixedly provided on the workbench 10, which can fix the disassembly seat 9 and the mounting seat 13.

[0067] By setting a positioning seat, the disassembly seat 9 and the mounting seat 13 can be quickly installed and fixed, thus achieving two uses in one unit. They can be used in conjunction with the installation push cylinder 11 and the cutter 5, respectively, which greatly reduces the production cost of the device. Furthermore, it can be adapted to various models of valve assemblies by changing the positioning fixtures of different specifications.

[0068] Although the present invention has been described with reference to preferred embodiments, various modifications can be made thereto and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A valve assembly / disassembly device, characterized in that, include: A workbench, on which a support is fixedly mounted, and a drive assembly is fixedly mounted on the support; The disassembly mechanism includes a cutter and a disassembly base. The disassembly base is mounted on the workbench and located below the support. The disassembly base is used to secure the valve assembly to be disassembled. The mounting mechanism includes a mounting pusher and a mounting base. The mounting base is mounted on the worktable and is located below the bracket. The mounting base is used to fix the valve to be installed. The cutter or the mounting pusher is mounted on the output end of the drive assembly. During disassembly, the cutter is installed at the output end of the drive assembly, and the drive assembly can drive the cutter to move toward the valve assembly to cut the valve adhesive of the valve assembly; or During installation, the mounting pusher is mounted on the output end of the drive assembly, which drives the mounting pusher to move toward the valve to install the valve adhesive onto the valve.

2. The valve assembly / disassembly device according to claim 1, characterized in that, The disassembly base includes a base plate and a fixing bracket. The fixing bracket is fixed to the base plate and has a fixing slot. The valve includes a valve seat, and the fixing slot can engage with the valve seat.

3. The valve assembly / disassembly device according to claim 2, characterized in that, The disassembly base also includes a fixed side plate, which is fixed to the base plate and located on one side of the fixed bracket. The valve also includes a valve support rod, and the fixed side plate is used to support the valve support rod.

4. The valve assembly / disassembly device according to claim 1, characterized in that, The installation mechanism further includes an installation guide sleeve, which is fitted over the valve. The drive assembly can drive the installation pusher to move toward the valve so that the valve adhesive moves along the outer wall of the installation guide sleeve onto the valve.

5. The valve assembly / disassembly device according to claim 4, characterized in that, The installation guide sleeve has a tapered cross-section, and the installation push cylinder has a sliding groove inside. The shape of the sliding groove matches the outer surface of the installation guide sleeve, and the cross-section of the sliding groove is also tapered. The installation push cylinder can slide along the outer surface of the installation guide sleeve through the sliding groove.

6. The valve assembly / disassembly device according to claim 1, characterized in that, The mounting push cylinder is also provided with a limiting groove, which is used to fix the valve adhesive.

7. The valve assembly / disassembly device according to claim 1, characterized in that, The drive assembly includes a drive component, a drive rod, and a connector. The drive component is fixed to the bracket, the drive rod is fixed to the output end of the drive component, and the connector is fixed to the end of the drive rod opposite to the drive component. The mounting push cylinder and the cutter can both be detachably connected to the connector.

8. The valve assembly / disassembly device according to claim 1, characterized in that, The support includes a top plate and two side support plates. The side support plates are arranged vertically and their bottoms are fixed to the workbench. The two ends of the top plate are respectively fixedly connected to the two side support plates.

9. The valve assembly / disassembly device according to claim 1, characterized in that, The mounting base has a fixing groove, and the valve is fixed in the fixing groove.

10. The valve assembly / disassembly device according to claim 1, characterized in that, A positioning seat is fixedly installed on the workbench, which can fix the disassembly seat and the mounting seat.

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