Valve spring experiment fixing device

Abstract

The utility model discloses a valve spring experiment fixing device, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a mounting plate, the upper surface of the mounting plate is fixedly connected with an adjustable self-locking mechanism, the adjustable self-locking mechanism comprises angle iron, the side surface of the angle iron is fixedly connected with a guide support, and the guide support is fixedly connected with a spring. The inner wall of the guide support is movably connected with a movable shaft, the outer surface of the movable shaft is sleeved with a pressure spring, and the side surface of the movable shaft is fixedly connected with a grip; the bottom end of the movable shaft is fixedly connected with a clamping block, the side surface of the clamping block is fixedly connected with a first clamping jaw, and the side surface of the clamping block is fixedly connected with a roller, through the arrangement of an adjustable self-locking mechanism, to-be-detected springs of different specifications can be fixed, the applicability is wide, use is convenient, and the practicability is high. The recovery range of the spring is conveniently detected, the elasticity of the spring is consistent, and the advantage of detecting the elasticity of the spring is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring detection equipment, in particular to a valve spring experimental fixing device. Background Art

[0002] Valve springs refer to springs used on various valves. Valve springs determine the opening pressure, the travel of the valve disc, and the stability of the seal in the closed state. The springs in the valve springs determine the normal operation of many check valves, safety valves, insurance valves and other valves. The springs determine the opening pressure, the travel of the valve disc, and the stability of the seal in the closed state.

[0003] Although the existing gate valve spring test fixing device can fix the tested spring, it cannot fix springs of different specifications. For example, a Chinese patent discloses a "valve spring test fixing device" with an application number of "CN201520589288.0", which includes: a vertical support rod fixed on the base, a horizontal cross bar fixed on the support rod, a guide rod is also provided on the inner side of the support rod between the cross bar and the base, and a pressure plate is slidably connected to the guide rod. The device has a single structure, and although it can fix the tested spring, it cannot fix springs of different specifications, and its applicability is relatively limited. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a valve spring test fixing device. The device can fix springs to be tested of different specifications by setting an adjustable self-locking mechanism. The device has a wide range of applicability and is easy to use. It is convenient to detect the recovery range of the spring and ensure the consistency of the spring elastic force, thus achieving the advantage of spring elastic force detection.

[0005] The utility model also provides a valve spring experimental fixing device as mentioned above, comprising: a base plate, the upper surface of the base plate is fixedly connected to a mounting plate, the upper surface of the mounting plate is fixedly connected to an adjustable self-locking mechanism, the adjustable self-locking mechanism comprises: an angle iron, the side surface of the angle iron is fixedly connected to a guide support, the inner wall of the guide support is movably connected to a movable shaft, the outer surface of the movable shaft is sleeved with a pressure spring, and the side surface of the movable shaft is fixedly connected to a handle; through the mutual cooperation between the above parts, springs to be tested of different specifications can be fixed, and the applicability is relatively wide and easy to use.

[0006] The bottom end of the movable shaft is fixedly connected with a clamping block, the side surface of the clamping block is fixedly connected with a first clamping claw, and the side surface of the clamping block is fixedly connected with a roller. Through the mutual cooperation between the above parts, it can be adjusted and has wide applicability.

[0007] According to the valve spring test fixture of the utility model, the bottom end of the movable shaft is fixedly connected with a handle, and the handle is provided in two groups, and the outer surface of the handle is bonded with a rubber anti-slip sleeve. Through the mutual cooperation between the above parts, it is convenient to control the clamping fixture.

[0008] According to the valve spring test fixture of the utility model, a slot is provided on the upper surface of the mounting plate, and a valve spring is placed on the upper surface of the slot. The mutual cooperation between the above parts facilitates the placement of the valve spring.

[0009] According to the valve spring test fixture of the utility model, the upper surface of the bottom plate is fixedly connected with a side plate, and the material of the side plate is aluminum alloy. The mutual cooperation between the above parts facilitates installation and fixing.

[0010] According to the valve spring test fixture of the utility model, the side surface of the side plate is fixedly connected with a guide rail, and the side surface of the guide rail is fixedly connected with a slider. The mutual cooperation between the above parts facilitates the installation of the cylinder.

[0011] According to the valve spring test fixture of the utility model, the side surface of the side plate is fixedly connected with a fixing plate, and the side surface of the fixing plate is fixedly connected with a cylinder. Through the mutual cooperation between the above parts, a power source is provided to press the pressure plate downward.

[0012] According to the valve spring test fixture described in the utility model, the output end of the cylinder is fixedly connected with a pressure plate, the side surface of the pressure plate is fixedly connected to the side surface of the slider, the lower surface of the pressure plate is fixedly connected with a mounting frame, and the side surface of the mounting frame is fixedly connected with a second claw. Through the mutual cooperation between the above parts, the valve spring is conveniently clamped and fixed.

[0013] According to the valve spring test fixture of the utility model, the upper surface of the bottom plate is fixedly connected with a guide column, and the upper surface of the guide column is fixedly connected with a limit block. Through the mutual cooperation between the above parts, a guiding function is played to reduce the wear of the slider.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model can fix springs of different specifications to be tested by setting an adjustable self-locking mechanism. It has a wide range of applicability, is easy to use, and can conveniently detect the recovery range of the spring, ensuring the consistency of the spring elastic force, thereby achieving the advantage of spring elastic force detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structural diagram of the valve spring experimental fixture of the utility model;

[0018] Figure 2 It is a side sectional view of the valve spring experimental fixture of the utility model;

[0019] Figure 3 This is a structural diagram of the adjustable self-locking mechanism of the valve spring experimental fixture of the utility model;

[0020] Figure 4 This is the internal structure diagram of the adjustable self-locking mechanism of the valve spring experimental fixture of the utility model;

[0021] Figure 5 The utility model is a valve spring test fixing device Figure 2 Enlarged view of point A in the middle.

[0022] Legend:

[0023] 1. Base plate; 2. Mounting plate; 3. Adjustable self-locking mechanism; 4. Angle iron; 5. Guide support; 6. Movable shaft; 7. Pressure spring; 8. Clamping block; 9. First clamping claw; 10. Handle; 11. Roller; 12. Valve spring; 13. Slot; 14. Side plate; 15. Fixed plate; 16. Cylinder; 17. Pressure plate; 18. Guide column; 19. Guide rail; 20. Slider; 21. Mounting frame; 22. Second clamping claw; 23. Limit block. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5The utility model embodiment is a valve spring experimental fixing device, which includes: a bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with a guide column 18, the upper surface of the guide column 18 is fixedly connected with a limit block 23, which plays a guiding role and reduces the wear of the slider 20, the upper surface of the bottom plate 1 is fixedly connected with a side plate 14, the side surface of the side plate 14 is fixedly connected with a fixing plate 15, the side surface of the fixing plate 15 is fixedly connected with a cylinder 16, which provides a power source to press the pressure plate 17 downward, the output end of the cylinder 16 is fixedly connected with a pressure plate 17, the side surface of the pressure plate 17 is fixedly connected to the side surface of the slider 20, the lower surface of the pressure plate 17 is fixedly connected with a mounting frame 21, the side surface of the mounting frame 21 is fixedly connected with a second claw 22, which is convenient for clamping and fixing the valve spring 12, the side surface of the side plate 14 is fixedly connected with a guide rail 19, and the side surface of the guide rail 19 is fixedly connected with the slider 20, which is convenient for The installation of the cylinder 16, the side plate 14 is made of aluminum alloy, which is convenient for installation and fixation, the upper surface of the bottom plate 1 is fixedly connected with the mounting plate 2, the upper surface of the mounting plate 2 is provided with a slot 13, and the upper surface of the slot 13 is placed with a valve spring 12, which is convenient for placing the valve spring 12, and the upper surface of the mounting plate 2 is fixedly connected with an adjustable self-locking mechanism 3, the adjustable self-locking mechanism 3 includes: an angle iron 4, the side surface of the angle iron 4 is fixedly connected with a guide support 5, the inner wall of the guide support 5 is movably connected with a movable shaft 6, the bottom end of the movable shaft 6 is fixedly connected with a handle 10, and the handle 10 is provided with two groups. The outer surface of the handle 10 is bonded with a rubber anti-slip sleeve, which is convenient for controlling the clamping and fixing device, the outer surface of the movable shaft 6 is sleeved with a pressure spring 7, and the side surface of the movable shaft 6 is fixedly connected with the handle 10, which can realize the fixation of springs to be tested of different specifications, and has a wide applicability and is easy to use.

[0026] The bottom end of the movable shaft 6 is fixedly connected with a clamping block 8, the side surface of the clamping block 8 is fixedly connected with a first clamping claw 9, and the side surface of the clamping block 8 is fixedly connected with a roller 11, which is adjustable and has wide applicability.

[0027] Working principle: During use, first put the valve spring 12 into the slot 13, then pull the handle 10 to make the movable shaft 6 move through the pressure spring 7, and use the clamping block 8 to make the first clamping jaw 9 clamp and fix the valve spring 12, then start the cylinder 16, and the guide rail 19 is fixedly connected to the side surface of the side plate 14, and the slider 20 is fixedly connected to the side surface of the guide rail 19, and the side surface of the pressure plate 17 is fixed to the side surface of the slider 20, and the output end of the cylinder 16 is fixedly connected to the upper surface of the pressure plate 17, and the pressure plate 17 is pressed downward by starting the cylinder 16, and the second clamping jaw 22 is fixedly connected to the side surface of the mounting frame 21, so that the second clamping jaw 22 fixes the valve spring 12, and the pressure plate 17 presses down the valve spring 12, thereby achieving the purpose of detection and detecting its mechanical properties.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A valve spring test fixture, characterized in that: include: A bottom plate (1), the upper surface of the bottom plate (1) being fixedly connected to a mounting plate (2), the upper surface of the mounting plate (2) being fixedly connected to an adjustable self-locking mechanism (3), the adjustable self-locking mechanism (3) comprising: an angle iron (4), the side surface of the angle iron (4) being fixedly connected to a guide support (5), the inner wall of the guide support (5) being movably connected to a movable shaft (6), the outer surface of the movable shaft (6) being sleeved with a pressure spring (7), and the side surface of the movable shaft (6) being fixedly connected to a handle (10); The bottom end of the movable shaft (6) is fixedly connected to a clamping block (8), the side surface of the clamping block (8) is fixedly connected to a first clamping claw (9), and the side surface of the clamping block (8) is fixedly connected to a roller (11).

2. A valve spring test fixture according to claim 1, characterized in that: The bottom end of the movable shaft (6) is fixedly connected to a handle (10), and the handle (10) is provided in two groups. The outer surface of the handle (10) is bonded with a rubber anti-slip sleeve.

3. A valve spring test fixture according to claim 1, characterized in that: A slot (13) is provided on the upper surface of the mounting plate (2), and a valve spring (12) is placed on the upper surface of the slot (13).

4. A valve spring test fixture according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a side plate (14), and the side plate (14) is made of an aluminum alloy.

5. A valve spring test fixture according to claim 4, characterized in that: A guide rail (19) is fixedly connected to the side surface of the side plate (14), and a sliding block (20) is fixedly connected to the side surface of the guide rail (19).

6. A valve spring test fixture according to claim 4, characterized in that: A fixing plate (15) is fixedly connected to the side surface of the side plate (14), and a cylinder (16) is fixedly connected to the side surface of the fixing plate (15).

7. A valve spring test fixture according to claim 6, characterized in that: The output end of the cylinder (16) is fixedly connected to a pressure plate (17), the side surface of the pressure plate (17) is fixedly connected to the side surface of the slider (20), the lower surface of the pressure plate (17) is fixedly connected to a mounting frame (21), and the side surface of the mounting frame (21) is fixedly connected to a second claw (22).

8. A valve spring test fixture according to claim 1, characterized in that: A guide column (18) is fixedly connected to the upper surface of the bottom plate (1), and a limit block (23) is fixedly connected to the upper surface of the guide column (18).

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