Disassembling and assembling tool for reciprocating pump valve

Abstract

The utility model discloses a disassembling and assembling tool for a reciprocating pump valve, which comprises a connecting plate, a plurality of locking pieces, a plurality of stop dogs and a hand wheel assembly, the hand wheel assembly is detachably arranged at the upper part of the connecting plate, each locking piece is connected with one stop dog, and the plurality of stop dogs are sequentially arranged along the circumferential direction of the connecting plate. Through the application of the disassembling and assembling tool for the reciprocating pump valve, the disassembling and assembling tool for the reciprocating pump valve is suitable for assembling and disassembling the valve frame of the one-way valve, the disassembling and assembling actions of the valve frame can be rapidly and stably completed, the check and maintenance efficiency of the one-way valve is further improved, and the stability of the installed one-way valve is ensured; the device is simple in structure, convenient to use and wide in application range, and operators can assemble and carry the device conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of reciprocating pump one-way valves, in particular to a disassembly and assembly tool for a reciprocating pump valve. Background Art

[0002] At present, check valves are widely used in various industries. With the further promotion of reciprocating pump technology for coal mines, the market demand for reciprocating pumps is also increasing year by year. As the market sales of reciprocating pumps further increase, the spare parts business of corresponding wearing parts is also increasing, especially the spare parts business of the vulnerable check valve.

[0003] In the prior art, in order to inspect and maintain the one-way valve, it is often necessary to remove or install the valve frame of the one-way valve from the valve seat. This is usually done by workers on a workbench on site and requires the cooperation of multiple tools. It is troublesome to carry and inconvenient to operate. On the other hand, the valve frame needs to be reinstalled after the inspection and maintenance work is completed, but the force applied during installation is not easy to control, and it is difficult to ensure the stability of the reinstalled one-way valve. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a disassembly and assembly tool for a reciprocating pump valve, comprising: a connecting plate, a plurality of locking members, a plurality of blocks and a handwheel assembly, wherein the handwheel assembly is detachably mounted on the upper part of the connecting plate, each of the locking members is connected to a block, and the plurality of blocks are sequentially arranged along the circumference of the connecting plate;

[0005] The connecting plate is provided with a plurality of adjusting grooves, which are sequentially arranged along the circumference of the connecting plate, each of which is extended along the radial direction of the connecting plate, and the locking member is lockably arranged in the adjusting groove;

[0006] Wherein, the handwheel assembly has at least one connecting end, a positioning groove is axially arranged at the center position of the connecting plate, and the connecting end can be inserted and installed in the positioning groove.

[0007] In another preferred embodiment, each of the stoppers is used to abut against a valve rack, and the valve rack is installed on a valve seat.

[0008] In another preferred embodiment, the connecting plate includes: a central portion and a plurality of extension portions, the central portion is provided with the positioning groove, the outer edge of the central portion radially extends outward to form the extension portion, and the extension portion is provided with the adjustment groove.

[0009] In another preferred embodiment, one end of the adjustment groove passes through the outer edge of the connecting plate and forms an opening.

[0010] In another preferred embodiment, the locking member has at least a force-applying portion, a supporting portion and a threaded portion arranged in sequence from top to bottom, the supporting portion is supported on the upper surface of the connecting plate, and the threaded portion is threadedly connected to the stopper; when the locking member is locked, the upper end of the stopper and the lower end of the supporting portion clamp the connecting plate.

[0011] In another preferred embodiment, the stopper has at least one contact surface, the contact surface is in contact with the valve frame, and both ends of the contact surface in the horizontal direction respectively have a rounded corner portion.

[0012] In another preferred embodiment, the handwheel assembly comprises: a connecting shaft and a handwheel body, the handwheel body is mounted on the connecting shaft, and the connecting end is formed at one end of the connecting shaft.

[0013] In another preferred embodiment, a connecting head is formed at the other end of the connecting shaft, and the connecting head is used to be connected to a torque providing device.

[0014] In another preferred embodiment, the radial cross section of the connecting end is arranged in a cross shape.

[0015] In another preferred embodiment, it further comprises: a fixing rod, a fixing member and a workbench, wherein the fixing member is arranged at the upper end of the fixing rod, the lower end of the fixing rod is fixedly connected to the workbench, and one end of the fixing member is used to press the valve seat into contact.

[0016] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art:

[0017] Through the application of the utility model, a disassembly and assembly tool for a reciprocating pump valve is provided, which is suitable for installing and disassembling the valve frame of the one-way valve. The disassembly and assembly of the valve frame can be completed quickly and stably, thereby further improving the inspection and maintenance efficiency of the one-way valve and ensuring the stability of the one-way valve after installation. The utility model has a simple structure and is easy to use. It is convenient for operators to assemble and carry it, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the use status of a disassembly and assembly tool for a reciprocating pump valve of the utility model;

[0019] Figure 2 It is a first schematic diagram of a disassembly and assembly tool for a reciprocating pump valve of the utility model;

[0020] Figure 3 It is a second schematic diagram of a disassembly and assembly tool for a reciprocating pump valve of the utility model;

[0021] Figure 4 A schematic diagram of a connection plate of a disassembly and assembly tool for a reciprocating pump valve of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of a hand wheel assembly of a disassembly and assembly tool for a reciprocating pump valve.

[0023] In the attached figure:

[0024] 1. Connecting plate; 2. Locking piece; 3. Block; 4. Handwheel assembly; 5. Adjusting groove; 6. Connecting end; 7. Positioning groove; 8. Valve frame; 9. Valve seat; 10. Center; 11. Extension; 12. Opening; 13. Force-applying part; 14. Support part; 15. Contact surface; 16. Fillet; 17. Connecting shaft; 18. Handwheel body; 19. Connecting head; 20. Fixing rod; 21. Fixing piece. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “inside”, “outside”, “front”, “back”, “lateral” and “vertical” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device or component referred to must have a specific direction and therefore should not be understood as a limitation on the present invention.

[0027] like Figures 1 to 5As shown, a disassembly and assembly tool for a reciprocating pump valve in a preferred embodiment is shown, comprising: a connecting plate 1, a plurality of locking members 2, a plurality of blocks 3 and a handwheel assembly 4, wherein the handwheel assembly 4 is detachably mounted on the upper portion of the connecting plate 1, wherein each locking member 2 is connected to a block 3, and the plurality of blocks 3 are sequentially arranged along the circumference of the connecting plate 1; wherein the connecting plate 1 is provided with a plurality of adjusting grooves 5, wherein the plurality of adjusting grooves 5 are sequentially arranged along the circumference of the connecting plate 1, wherein each adjusting groove 5 is extended radially along the connecting plate 1, and the locking member 2 is lockably arranged in the adjusting groove 5; wherein the handwheel assembly 4 has at least one connecting end 6, wherein a positioning groove 7 is axially arranged at the center position of the connecting plate 1, and the connecting end 6 can be insertedly installed in the positioning groove 7. Furthermore, the disassembly and assembly tool for the reciprocating pump valve is at least used to complete the installation and disassembly work of the device to be treated by partially rotating it; specifically, when it is necessary to rotate the part, the torque can be applied to the handwheel assembly 4 and transmitted to the connecting plate 1 through the cooperation of the positioning groove 7 and the connecting end 6, and the stopper 3 can be first locked at the appropriate position of the adjustment groove 5 by the locking piece 2, and under the action of the above-mentioned torque, the stopper 3 contacts the above-mentioned part and promotes its stable rotation.

[0028] Further, as a preferred embodiment, the above-mentioned device to be treated is preferably a one-way valve, which at least includes a valve seat 9 and a valve frame 8 rotatably mounted on the valve seat 9 .

[0029] Further, as a preferred embodiment, each stopper 3 is used to abut against a valve rack 8, and the valve rack 8 is installed on a valve seat 9. Further, when the valve rack 8 needs to be installed or disassembled, the valve seat 9 is first fixed in position, and then the reciprocating pump valve is installed on the valve rack 8 using a disassembly and assembly tool, and the stopper 3 can be located at different positions according to the size type of the valve rack 8 by adjusting the groove 5 and the locking member 2.

[0030] Furthermore, as a preferred embodiment, the outer periphery of the valve frame 8 is provided with a plurality of mutually independent force-bearing surfaces, and the force-bearing surfaces are used to contact with the stopper 3 .

[0031] Further, as a preferred embodiment, the connecting plate 1 includes: a central portion 10 and a plurality of extension portions 11 , the central portion 10 is provided with a positioning groove 7 , the outer edge of the central portion 10 radially extends outward to form the extension portion 11 , and the extension portion 11 is provided with an adjustment groove 5 .

[0032] Furthermore, as a preferred embodiment, the central portion 10 and the extension portion 11 together present a special-shaped plate structure.

[0033] Further, as a preferred embodiment, the number of the locking member 2, the stopper 3, and the extending portion 11 is preferably three.

[0034] Further, as a preferred embodiment, the three extension portions 11 are arranged equidistantly relative to the periphery of the central portion 10 .

[0035] Further, as a preferred embodiment, one end of the adjustment groove 5 passes through the outer edge of the connecting plate 1 and forms an opening 12. Further, the opening 12 is provided to facilitate the pre-installed locking member 2 and stopper 3 to be moved from the opening 12 along the radial direction of the connecting plate 1 and installed into the adjustment groove 5.

[0036] Further, as a preferred embodiment, the adjustment groove 5 is provided at least along the axial direction of the connecting plate 1 and penetrates the connecting plate 1 .

[0037] Further, as a preferred embodiment, the adjustment slot 5 is preferably arranged in a U-shape.

[0038] Further, as a preferred embodiment, the locking member 2 has at least a force-applying portion 13, a supporting portion 14 and a threaded portion arranged in sequence from top to bottom, the supporting portion 14 is supported on the upper surface of the connecting plate 1, and the threaded portion is threadedly connected to the stopper 3; when the locking member 2 is locked, the upper end of the stopper 3 and the lower end of the supporting portion 14 clamp the connecting plate 1. Further, the locking member 2 can be pre-installed with the stopper 3 through the threaded portion to form a unit, and then the unit is installed in the adjustment groove 5, and then the locking member 2 is adjusted to control its threaded portion to further rotate so that the spacing between the supporting portion 14 and the stopper 3 is reduced until it is tightly against the connecting plate 1 to form a lock.

[0039] Further, as a preferred embodiment, the upper end of the stopper 3 is provided with a screw hole matching with the threaded portion.

[0040] Further, as a preferred embodiment, the locking member 2 is preferably a butterfly locking screw.

[0041] Further, as a preferred embodiment, the width of the adjustment slot 5 is slightly larger than the outer diameter of the lower portion of the butterfly locking screw. Further, the lower portion of the screw is preferably the above-mentioned threaded portion.

[0042] Further, as a preferred embodiment, the stopper 3 has at least one contact surface 15, the contact surface 15 contacts the valve frame 8, and the two ends of the contact surface 15 in the horizontal direction respectively have a rounded corner 16. Further, the contact surface 15 applies a stable force to the valve frame 8 as the stopper 3 moves, and the provision of the rounded corner 16 prevents the stopper 3 from causing damage to the valve frame 8 during the force application process.

[0043] Further, as a preferred embodiment, the handwheel assembly 4 includes: a connecting shaft 17 and a handwheel body 18 , the handwheel body 18 is mounted on the connecting shaft 17 , and a connecting end 6 is formed at one end of the connecting shaft 17 .

[0044] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0045] The utility model also has the following implementation methods based on the above:

[0046] In a further embodiment of the present invention, a connector 19 is formed at the other end of the connecting shaft 17, and the connector 19 is used to connect to a torque providing device.

[0047] In a further embodiment of the present invention, the connector 19 is provided at least along the axial direction of the connecting plate 1 and protrudes from the upper end of the hand wheel body 18 so as to be connected with the torque providing device.

[0048] In a further embodiment of the present invention, the radial cross section of the connector 19 is preferably arranged in a regular hexagon.

[0049] In a further embodiment of the utility model, the torque providing device is preferably a torque wrench. Further, it can be ensured that the one-way valve after installation meets the design requirements and its performance stability is guaranteed as much as possible.

[0050] In a further embodiment of the present invention, the radial cross section of the connecting end 6 is arranged in a cross shape.

[0051] In a further embodiment of the utility model, it also includes: a fixing rod 20, a fixing member 21 and a workbench, the fixing member 21 is arranged at the upper end of the fixing rod 20, the lower end of the fixing rod 20 is fixedly connected to the workbench, and one end of the fixing member 21 is used to press the valve seat 9.

[0052] In a further embodiment of the present invention, one end of the fixing member 21 is preferably tightly against the upper edge of the outer periphery of the valve seat 9 .

[0053] In a further embodiment of the utility model, the other end of the fixing member 21 can be slidably mounted on the fixing rod 20 up and down, and a nut is provided at the upper end of the fixing rod 20. The nut can be adjustably arranged on the fixing rod 20 so that the position can be adjusted at least along the axial direction so that the nut can position the fixing member 21 downward.

[0054] In a further embodiment of the utility model, a positioning hole matching the lower end of the fixing rod 20 is provided on the workbench.

[0055] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A disassembly and assembly tool for a reciprocating pump valve, characterized in that: include: A connecting plate, a plurality of locking members, a plurality of blocks and a handwheel assembly, wherein the handwheel assembly is detachably mounted on the upper portion of the connecting plate, each of the locking members is connected to a block, and the plurality of blocks are sequentially arranged along the circumference of the connecting plate; The connecting plate is provided with a plurality of adjusting grooves, which are sequentially arranged along the circumference of the connecting plate, each of which is extended along the radial direction of the connecting plate, and the locking member is lockably arranged in the adjusting groove; Wherein, the handwheel assembly has at least one connecting end, a positioning groove is axially arranged at the center position of the connecting plate, and the connecting end can be inserted and installed in the positioning groove.

2. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: Each of the stoppers is used to abut against a valve frame, and the valve frame is installed on a valve seat.

3. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: The connecting plate comprises: a central portion and a plurality of extension portions, the central portion is provided with the positioning groove, the outer edge of the central portion radially extends outward to form the extension portion, and the extension portion is provided with the adjustment groove.

4. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: One end of the adjusting slot passes through the outer edge of the connecting plate and forms an opening.

5. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: The locking member has at least a force-applying portion, a supporting portion and a threaded portion which are arranged in sequence from top to bottom, the supporting portion is supported on the upper surface of the connecting plate, and the threaded portion is threadedly connected to the stopper; when the locking member is locked, the upper end of the stopper and the lower end of the supporting portion clamp the connecting plate.

6. The disassembly and assembly tool for a reciprocating pump valve according to claim 2, characterized in that: The stopper has at least one contact surface, the contact surface is in contact with the valve frame, and both ends of the contact surface in the horizontal direction have a rounded corner portion respectively.

7. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: The handwheel assembly comprises: a connecting shaft and a handwheel body, the handwheel body is mounted on the connecting shaft, and one end of the connecting shaft is formed with the connecting end.

8. The disassembly and assembly tool for a reciprocating pump valve according to claim 7, characterized in that: A connecting head is formed at the other end of the connecting shaft, and the connecting head is used to be connected to a torque providing device.

9. The disassembly and assembly tool for a reciprocating pump valve according to claim 1, characterized in that: The radial cross section of the connecting end is arranged in a cross shape.

10. The disassembly and assembly tool for a reciprocating pump valve according to claim 2, characterized in that: Also includes: A fixing rod, a fixing member and a workbench, wherein the fixing member is arranged at the upper end of the fixing rod, the lower end of the fixing rod is fixedly connected to the workbench, and one end of the fixing member is used for pressing the valve seat.

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