Detection tool for detecting lift of control valve assembly

Abstract

The utility model provides a control valve assembly lift gauge, which relates to the field of gauges, and comprises a large bottom plate, a group of side plates, a positioning block, an upper pressing plate and a dial indicator, the group of side plates are vertically arranged on the large bottom plate to form a frame, the positioning plate is transversely arranged between the middle positions of the group of side plates, a V-shaped block is arranged on the upper end surface of the positioning plate, and the upper pressing plate is arranged on the positioning plate. The center of the positioning block is provided with a hole site, a flange sleeve is installed on the hole site, an opening sleeve is installed in a hole of the flange sleeve, a sleeve of a dial indicator is installed in the opening sleeve, a guide rod penetrates through the center of the upper pressing plate, the top of the guide rod is rotationally connected with an opening deflector rod, the opening deflector rod is hinged to the upper end of the upper pressing plate, and a connecting rod is fixed to the end, away from the guide rod, of the opening deflector rod. According to the utility model, the V-shaped block and the pressing block at the bottom of the guide rod are combined to fix the control valve assembly, the dial indicator arranged at the lower end of the positioning plate is used for measuring the lift of the control valve assembly, the control valve assembly is convenient to assemble and disassemble, the measurement is accurate, and the measurement efficiency and accuracy are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection tools, in particular to an inspection tool for measuring the lift of a control valve component. Background Art

[0002] Control valve components refer to accessories or fittings installed on control valves to support and enhance the performance of control valves. These accessories are usually designed to improve the operation of the valve, monitor fluid flow, and ensure the safe and efficient operation of the system.

[0003] Some common control valve components include: actuator; positioner; position sensor; manual operating device; valve body; seal; valve seat and valve disc; connector......

[0004] The lift size of the control valve assembly in this case is very important. How to accurately measure the lift of the control valve assembly has always been a topic of concern to quality inspectors. For this reason, this case was born. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a control valve assembly lift measuring tool, which solves the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a control valve assembly lift inspection fixture: including a large bottom plate and a group of side plates, a positioning plate, an upper pressure plate, and a dial indicator, a group of the side plates are vertically arranged on the large bottom plate to form a frame, the positioning plate is horizontally arranged between the middle positions of a group of side plates, a V-shaped block is installed on the upper end surface of the positioning plate, a hole is arranged in the center of the positioning plate, a flange sleeve is installed on the hole, an open sleeve is installed in the hole of the flange sleeve, a sleeve of a dial indicator is installed in the open sleeve, a guide rod is passed through the center of the upper pressure plate, the top of the guide rod is rotatably connected to the opening lever, the opening lever is hinged to the upper end of the upper pressure plate, and a connecting rod is fixed to the end of the opening lever away from the guide rod.

[0009] Preferably, a hinge seat is fixed on the upper pressure plate, and the opening lever is hinged on the hinge seat.

[0010] Preferably, a guide sleeve is provided on the central hole of the upper pressure plate, and the guide rod is inserted and movable in the guide sleeve.

[0011] Preferably, a pressure block is connected to the bottom end of the guide rod, a spring is sleeved on the guide rod, and a hexagonal nut for adjusting the spring force is installed on the guide rod at the lower end of the spring.

[0012] Preferably, both ends of the upper pressing plate are fixed to a set of side plates by means of hexagon socket screws.

[0013] Preferably, a flange sleeve mounting guide hole is provided in the center of the positioning plate, a flange sleeve mounting step hole is provided on the flange sleeve mounting guide hole, a plurality of hexagon socket screw mounting holes are provided on the upper end of the flange sleeve mounting step hole, and the flange sleeve is arranged on the flange sleeve mounting step hole and the flange sleeve mounting guide hole and is fixed by the hexagon socket screw mounting holes.

[0014] Preferably, a hinge seat mounting hole is provided on the opening lever, and the opening lever is hinged on the hinge seat through the hinge seat mounting hole. A connecting rod mounting hole is longitudinally provided at the tail of the opening lever, and the opening lever fixes the connecting rod through the connecting rod mounting hole.

[0015] Preferably, a cylindrical pin is passed through the top of the guide rod, and the guide rod is rotatably connected to the opening lever through the cylindrical pin.

[0016] Preferably, hexagon socket screw mounting holes are longitudinally opened on both sides of the positioning plate, and the positioning plate is fixed to a set of side plates through the hexagon socket screw mounting holes.

[0017] (III) Beneficial effects

[0018] The utility model provides a control valve assembly lift test fixture, which has the following beneficial effects:

[0019] 1. The lift gauge for measuring the control valve assembly has a set of side plates fixed on both sides of the bottom plate, a positioning plate fixed horizontally in the middle of the side plates, a V-block installed on the upper end surface of the positioning plate, a flange sleeve installed on the through hole of the positioning plate, an open sleeve installed in the flange sleeve, a sleeve of a dial indicator fixed in the open sleeve, an upper pressure plate fixed on the top of the side plate, a guide sleeve installed in the middle of the upper pressure plate, a guide rod inserted in the guide sleeve, the top of the guide rod is rotated to connect the open lever, a standard gauge block is placed in the V-block, and the bottom of the joint guide rod is clamped and fixed, at this time, the initial state of the dial indicator is set to zero, and then the control valve assembly is clamped with the V-block and the guide rod, the pointer of the dial indicator rotates, and the lift data of the control valve assembly is measured and read. The gauge is convenient for fixing the control valve assembly to be tested, and the measurement is accurate, which greatly improves the efficiency of detecting the control valve assembly.

[0020] 2. The lift gauge for measuring the control valve assembly has a guide rod with its top hinged on a hinge seat through an open lever, so that the guide rod can reciprocate up and down in the guide sleeve, which is used for better loading and unloading the control valve assembly. A spring is sleeved on the guide rod, and a hexagonal nut for adjusting the spring force is provided on the guide rod at the lower end of the spring, so that the control valve assembly can be better pressed through the guide rod, thereby improving the stability of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic diagram of the cross-sectional structure of a control valve assembly lift inspection tool of the utility model;

[0022] Figure 2 for Figure 1 A magnified view of point A;

[0023] Figure 3 This is a top view schematic diagram of a positioning plate of a control valve assembly lift inspection tool according to the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of a positioning plate of a control valve assembly lift inspection tool according to the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of an opening lever of a control valve assembly lift inspection tool of the utility model;

[0026] Figure 6 The utility model is a schematic diagram of the guide rod structure of a control valve assembly lift measuring tool.

[0027] In the figure: 1. guide rod; 2. hinge seat; 3. open lever; 4. connecting rod; 5. upper pressure plate; 6. guide sleeve; 7. side plate; 8. pressure block; 9. V-block; 10. positioning plate; 11. flange sleeve; 12. open sleeve; 13. large bottom plate; 14. spring; 15. dial indicator; 16. hexagon socket screw; 17. hexagon nut; 18. hexagon socket screw mounting hole; 19. flange sleeve mounting step hole; 20. flange sleeve mounting guide hole; 22. hinge seat mounting hole; 23. connecting rod mounting hole; 24. cylindrical pin; 25. control valve assembly; 26. dial; 27. sleeve; 28. measuring rod. DETAILED DESCRIPTION

[0028] Control valve components 25 refer to accessories or fittings installed on control valves to support and enhance the performance of the control valves. These accessories are generally designed to improve the operation of the valve, monitor fluid flow, and ensure safe and efficient operation of the system. Some common control valve components 25 include:

[0029] Actuator: The actuator of a control valve is responsible for adjusting the position of the valve according to the input signal to adjust the fluid flow.

[0030] Positioner: It is used to monitor the exact position of the valve and adjust the actuator through the feedback system to ensure that the valve operates in the expected position.

[0031] Position sensor: used to monitor the actual position of the valve and provide feedback information to the control system to achieve closed-loop control.

[0032] Manual Override: Allows the operator to manually adjust the valve position when necessary, usually for maintenance or emergency situations.

[0033] Valve Body: The main part of a control valve, which can have different structures and materials depending on the specific application.

[0034] Seal: Used to ensure that the valve can effectively prevent the flow of fluid when it is closed and improve the sealing performance of the valve.

[0035] Valve seat and valve disc: core components used to control fluid flow, which can have different shapes and materials according to different designs.

[0036] Connectors: Used to connect the control valve to the piping system and ensure a stable installation.

[0037] The combination of these control valve assemblies 25 can be adjusted and customized according to specific engineering requirements and application scenarios to meet the system's precise requirements for fluid control.

[0038] The utility model embodiment provides a control valve assembly 25 lift detection tool, such as Figure 1-6 As shown, it includes a large bottom plate 13 and a group of side plates 7, a positioning plate, an upper pressure plate 5, and a dial indicator 15. A group of side plates 7 are vertically arranged on the large bottom plate 13 to form a frame. The positioning plate 10 is horizontally arranged between the middle positions of a group of side plates 7. A V-shaped block 9 is installed on the upper end surface of the positioning plate 10. A hole is arranged in the center of the positioning plate, and a flange sleeve 11 is installed on the hole. An open sleeve 12 is installed in the hole of the flange sleeve 11. A sleeve 27 of the dial indicator 15 is installed in the open sleeve 12. The dial 26 of the dial indicator 15 is downward, and the measuring rod 28 passes through the flange sleeve 11 upward. A guide rod 1 is passed through the center of the upper pressure plate 5. The top of the guide rod 1 is rotatably connected to the opening lever 3. The opening lever 3 is hinged at the upper end of the upper pressure plate 5. A connecting rod 4 is fixed to the end of the opening lever 3 away from the guide rod 1, so that the guide rod 1 can reciprocate up and down.

[0039] like Figure 1 As shown, a hinge seat 2 is fixed on the upper pressing plate 5 , and an opening lever 3 is hinged on the hinge seat 2 .

[0040] like Figure 1 As shown, a guide sleeve 6 is provided on the central hole of the upper pressing plate 5 , and the guide rod 1 is inserted and movable in the guide sleeve 6 .

[0041] like Figure 1 As shown, a pressure block 8 is connected to the bottom end of the guide rod 1, a spring 14 is sleeved on the guide rod 1, and a hexagonal nut 17 for adjusting the force of the spring 14 is installed on the guide rod 1 at the lower end of the spring 14.

[0042] like Figure 1 As shown, both ends of the upper pressing plate 5 are fixed to a set of side plates 7 by hexagon socket screws 16 .

[0043] like Figure 1 and 2 As shown in FIG. 4 , a flange sleeve mounting guide hole 20 is provided in the center of the positioning plate 10, a flange sleeve mounting step hole 19 is provided on the flange sleeve mounting guide hole 20, and a plurality of hexagon socket screw mounting holes 18 are provided on the upper end of the flange sleeve mounting step hole 19. The flange sleeve 11 is sleeved on the flange sleeve mounting step hole 19 and the flange sleeve mounting guide hole 20, and is fixed by the hexagon socket screw mounting holes 18.

[0044] like Figure 1 and 5 As shown, a hinge seat mounting hole is provided on the opening lever 3, and the opening lever 3 is hinged on the hinge seat through the hinge seat mounting hole. A connecting rod mounting hole 23 is longitudinally provided at the tail of the opening lever 3, and the opening lever 3 fixes the connecting rod 4 through the connecting rod mounting hole 23.

[0045] like Figure 6 As shown, a cylindrical pin 24 is passed through the top of the guide rod 1 , and the guide rod 1 is rotatably connected to the opening lever 3 through the cylindrical pin 24 .

[0046] like Figure 1 As shown, hexagon socket screw mounting holes 18 are longitudinally opened on both sides of the positioning plate 10, and the positioning plate is fixed to a set of side plates 7 through the hexagon socket screw mounting holes 18.

[0047] Working principle: The inspection fixture frame is composed of a large bottom plate 13, a group of side plates 7, a positioning plate 10 and an upper pressure plate 5. A V-shaped block 9 is placed on the upper end surface of the positioning plate 10, a flange sleeve 11 is installed on the positioning plate 10, and an inverted dial indicator 15 is installed through the flange sleeve 11. A guide sleeve 6 is placed on the upper pressure plate 5, and a guide rod 1 is inserted into the guide sleeve 6. The top of the guide rod 1 is rotatably connected to the open lever 3, and the open lever 3 is hinged to the upper end of the upper pressure plate 5 through a hinge seat. The guide rod 1 can reciprocate up and down through the open lever 3. A pressing block 8 is provided at the bottom of the guide rod 1 for pressing the control valve assembly 25. A spring 14 is sleeved on the guide rod 1, and a hexagonal nut 17 for adjusting the force of the spring 14 is placed on the guide rod 1 at the lower end of the spring 14;

[0048] When the lift gauge of the control valve assembly 25 is used, the standard gauge block is placed in the V-block 9 and fixed with the bottom of the joint guide rod 1. At this time, the pointer of the dial indicator 15 is set and adjusted to zero. After removing the standard gauge block, the control valve assembly 25 is clamped with the V-block 9 and the guide rod 1. The pointer of the dial indicator 15 rotates and the lift data of the control valve assembly 25 is measured and read.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A control valve assembly lift test fixture, characterized in that: The utility model comprises a large bottom plate (13), a group of side plates (7), a positioning plate (10), an upper pressure plate (5), and a dial indicator (15). The group of side plates (7) are vertically arranged on the large bottom plate (13) to form a frame. The positioning plate (10) is horizontally arranged between the middle positions of the group of side plates (7). A V-shaped block (9) is installed on the upper end surface of the positioning plate (10). A hole is arranged in the center of the positioning plate (10). A flange sleeve (11) is installed on the hole. An opening sleeve (12) is installed in the hole of the flange sleeve (11). A sleeve (27) of the dial indicator (15) is installed in the opening sleeve (12). A guide rod (1) is passed through the center of the upper pressure plate (5). The top of the guide rod (1) is rotatably connected to an opening lever (3). The opening lever (3) is hinged to the upper end of the upper pressure plate (5). A connecting rod (4) is fixed to the end of the opening lever (3) away from the guide rod (1).

2. A control valve assembly lift measuring fixture according to claim 1, characterized in that: A hinge seat (2) is fixed on the upper pressure plate (5), and the opening lever (3) is hinged on the hinge seat (2).

3. A control valve assembly lift measuring fixture according to claim 1, characterized in that: A guide sleeve (6) is provided on the central hole of the upper pressing plate (5), and the guide rod (1) is inserted and movable in the guide sleeve (6).

4. A control valve assembly lift measuring fixture according to claim 1, characterized in that: The bottom end of the guide rod (1) is connected to a pressure block (8), a spring (14) is sleeved on the guide rod (1), and a hexagonal nut (17) for adjusting the spring force is installed on the guide rod (1) at the lower end of the spring (14).

5. The lift test fixture for measuring a control valve assembly according to claim 1, characterized in that: The two ends of the upper pressing plate (5) are fixed to a set of side plates (7) by means of hexagon socket screws (16).

6. A control valve assembly lift test fixture according to claim 1, characterized in that: A flange sleeve mounting guide hole (20) is provided at the center of the positioning plate (10), a flange sleeve mounting step hole (19) is provided on the flange sleeve mounting guide hole (20), a plurality of hexagon socket screw mounting holes (18) are provided on the upper end of the flange sleeve mounting step hole, and the flange sleeve (11) is sleeved on the flange sleeve mounting step hole (19) and the flange sleeve mounting guide hole (20) and fixed via the hexagon socket screw mounting holes (18).

7. A control valve assembly lift test fixture according to claim 1, characterized in that: The opening lever (3) is provided with a hinge seat mounting hole (22), and the opening lever (3) is hinged to the hinge seat (2) through the hinge seat mounting hole (22). A connecting rod mounting hole (23) is longitudinally provided at the tail of the opening lever (3), and the opening lever (3) is fixed to the connecting rod (4) through the connecting rod mounting hole (23).

8. The lift test fixture for measuring a control valve assembly according to claim 1, characterized in that: A cylindrical pin (24) is passed through the top of the guide rod (1), and the guide rod (1) is rotatably connected to the opening lever (3) via the cylindrical pin (24).

9. The lift test fixture for measuring a control valve assembly according to claim 1, characterized in that: Hexagon socket screw mounting holes (18) are longitudinally opened on both sides of the positioning plate (10), and the positioning plate (10) is fixed to a set of side plates (7) through the hexagon socket screw mounting holes (18).

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