CN220322688U - A spring fatigue testing equipment for spring production - Google Patents

Abstract

The utility model relates to the technical field of spring detection, in particular to spring fatigue detection equipment for spring production, which comprises a detection equipment body and a support, wherein the surface of the detection equipment body is fixedly connected with the end part of the support, a hydraulic cylinder is installed in the support, the output end of the hydraulic cylinder is fixedly connected with an upper transverse plate, a protection mechanism is arranged in the support, and an adjusting mechanism is arranged in the detection equipment body. The motor in the protection mechanism drives the speed reducer to rotate, the speed reducer drives the screw rod to rotate, the screw rod drives the screw rod nuts to move, the two screw rod nuts drive the sliding blocks to slide in the support, the two screw rod nuts drive the cover body to move, the spring body is covered by the cover body, if the spring body breaks, broken spring residues cannot be sputtered out, injury can not be brought to staff, and safety of the detection equipment is improved.

Description

A spring fatigue testing equipment for spring production

Technical field

The utility model relates to the technical field of spring detection, specifically a spring fatigue detection equipment for spring production.

Background technique

Spring is a mechanical part that uses elasticity to control the movement of parts, mitigate impact or vibration, store energy, measure force, etc. It plays a wide range of roles in industrial production and daily life. The spring needs to be tested for fatigue during production.

For example, a spring fatigue testing equipment with the authorization announcement number CN212722021U includes an equipment base. A telescopic driving mechanism is fixedly installed on the top of the equipment base. Support guide rods are fixedly installed on both sides of the top of the telescopic driving mechanism. Two sets of The upper movable sleeve of the support guide rod is provided with a top plate, and the middle movable sleeves of the two sets of support guide rods are provided with a mounting bottom plate. Although the above documents can flexibly adjust the distance between the lower fixed seat and the upper fixed seat, thereby adapting to different conditions. Fatigue testing of springs of different heights;

However, when in use, the testing equipment stretches the spring back and forth during the process of testing the fatigue degree of the spring. Since there is no protective tool during the testing, if the spring suddenly breaks during testing, it will break. The spring residue will sputter out in all directions, which can easily splash onto the body of the staff and cause harm to the staff, thus reducing the safety of the testing equipment; at the same time, during the process of fatigue testing of springs of different heights Among them, staff are required to manually turn the wheel to adjust the height of the upper fixed seat to conduct fatigue testing on springs of different heights. As a result, staff are required to operate when testing different high-speed springs, thus reducing the problem. The degree of automation of testing equipment.

Utility model content

The purpose of this utility model is to propose a spring fatigue testing equipment for spring production in order to solve the problems of reducing the safety of the testing equipment and reducing the automation level of the testing equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

Design a spring fatigue testing equipment for spring production, including a testing equipment body and a bracket. The surface of the testing equipment body is fixedly connected to the end of the bracket. A hydraulic cylinder is installed inside the bracket. The output of the hydraulic cylinder An upper horizontal plate is fixedly connected to the end, a protective mechanism is provided inside the bracket, and an adjustment mechanism is provided inside the body of the detection equipment.

Preferably, the protection mechanism includes a motor and a reducer. The motor is fixed to the surface of the bracket through a motor base. The output shaft of the motor is fixed to a reducer. The reducer is fixedly connected to the lead screw. The screw is threadedly connected to the screw nut. The outer wall of the screw nut is fixed with a slider. The slider is slidingly connected to the bracket. The end of the screw nut is fixed with a cover.

Preferably, the cover body fits the surface of the detection equipment body, and the reducer is fixed on the outer wall of the bracket.

Preferably, the two ends of the screw are rotatably connected to the bracket and the connecting column through bearings respectively. The two connecting columns are fixed on the surface of the bracket, and the sliding column is fixed on the surface of the upper horizontal plate. The two connecting columns are fixed on the surface of the bracket. The sliding columns are all slidingly connected to the bracket.

Preferably, the adjustment mechanism includes an electric telescopic rod and a vertical plate. The electric telescopic rod is installed inside the body of the detection equipment. The output end of the electric telescopic rod is fixed with a vertical plate. The vertical plate is slidingly connected to the cylinder. , the cylinder is fixed on the outer wall of the vertical column.

Preferably, the vertical column is slidingly connected to the detection equipment body, the vertical plate is slidingly connected to the sliding rod, the sliding rod is fixed inside the detection equipment body, and the end of the vertical column is fixed to a lower horizontal plate. , the surfaces of the upper horizontal plate and the lower horizontal plate are provided with spring bodies.

The utility model proposes a spring fatigue testing equipment for spring production. The beneficial effect is that the motor in the protection mechanism drives the reducer to rotate, the reducer drives the screw to rotate, the screw drives the screw nut to move, and the two screws The nut drives the slider to slide inside the bracket, and the two screw nuts drive the cover body to move so that the left end of the cover body is in contact with the bracket. At the same time, the motors on both sides are stopped to cover the detection spring body, and the detection equipment body is set to When the spring body is tested for fatigue, the spring body is covered by the cover. If the spring body breaks, the broken spring residue will not sputter out and cause harm to the staff, which improves the safety of the testing equipment. sex.

The electric telescopic rod in the adjustment mechanism drives the vertical plate to move. The vertical plate slides in the sliding rod. The vertical plate drives the column to move. The column drives the vertical column to slide in the body of the testing equipment. The vertical column drives the lower horizontal plate to rise to adjust the lower horizontal plate. The height of the plate is set when fatigue testing of spring bodies of different heights does not require staff to operate. The corresponding mechanical structure is driven by an electric telescopic rod for adjustment, which improves the automation of the testing equipment.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic diagram of the front section structure of Figure 1;

Figure 3 is a left structural diagram of Figure 2;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 2;

Figure 5 is an enlarged structural schematic diagram of position B in Figure 2.

In the picture: 1. Testing equipment body, 2. Bracket, 3. Hydraulic cylinder, 4. Protection mechanism, 401. Motor, 402. Reducer, 403. Lead screw, 404. Lead screw nut, 405. Slider, 406. Cover body, 5. Sliding column, 6. Adjustment mechanism, 601, electric telescopic rod, 602. vertical plate, 603. cylinder, 604. vertical column, 6a1, pointer, 6a2, scale, 6a3, transparent glass, 7. bottom Horizontal plate, 8, upper horizontal plate, 9, sliding rod, 10, connecting column.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings:

Example 1:

Refer to the accompanying drawings 1-5: In this embodiment, a spring fatigue testing equipment for spring production includes a testing equipment body 1 and a bracket 2. The surface of the testing equipment body 1 is fixedly connected to the end of the bracket 2, and the bracket 2 There is a hydraulic cylinder 3 installed inside. The model of the hydraulic cylinder 3 can be selected according to actual needs to meet the work. The output end of the hydraulic cylinder 3 is fixedly connected with the upper horizontal plate 8. The hydraulic cylinder 3 drives the upper horizontal plate 8 to move. The internal design of the bracket 2 There is a protection mechanism 4, and an adjustment mechanism 6 is provided inside the detection equipment body 1. The protection mechanism 4 includes a motor 401 and a reducer 402. The models of the motor 401 and the reducer 402 are selected according to actual needs to meet the work requirements. The motor 401 passes through the motor base. Fixed on the surface of the bracket 2, the output shaft of the motor 401 is fixed with a reducer 402. The motor 401 drives the reducer 402 to rotate. The reducer 402 is fixedly connected to the lead screw 403. The reducer 402 drives the lead screw 403 to rotate. The lead screw 403 It is threadedly connected with the screw nut 404. The screw nut 403 drives the screw nut 404 to move. The outer wall of the screw nut 404 is fixed with a slider 405. The slider 405 is slidingly connected to the bracket 2. The two screw nuts 404 drive the slider 405. Sliding inside the bracket 2, the end of the screw nut 404 is fixed with a cover 406. The two screw nuts 404 drive the cover 406 to move, so that the left end of the cover 406 comes into contact with the bracket 2, and the detected spring body Cover, the cover 406 fits the surface of the detection equipment body 1, and the reducer 402 is fixed on the outer wall of the bracket 2;

The motor 401 in the protection mechanism 4 drives the reducer 402 to rotate, the reducer 402 drives the screw 403 to rotate, the screw 403 drives the screw nut 404 to move, and the two screw nuts 404 drive the slider 405 to slide inside the bracket 2. The two screw nuts 404 drive the cover body 406 to move, so that the left end of the cover body 406 is in contact with the bracket 2. At the same time, the motors 401 on both sides are stopped to cover the spring body to be tested, and the testing equipment body 1 is set to fatigue the spring body. During the degree detection, the spring body is covered by the cover body 406. If the spring body breaks, the broken spring residue will not sputter out and cause harm to the staff, which improves the safety of the testing equipment.

Referring to Figures 1-5: In this embodiment, the two ends of the screw 403 are rotatably connected to the bracket 2 and the connecting column 10 through bearings respectively. The two connecting columns 10 are fixed on the surface of the bracket 2, and the surface of the upper horizontal plate 8 The sliding column 5 is fixedly connected. Both sliding columns 5 are slidingly connected with the bracket 2. The upper horizontal plate 8 drives the sliding column 5 to slide in the bracket 2. The upper horizontal plate 8 drives the spring body to stretch, and the reciprocating motion of the hydraulic cylinder 3 , to perform fatigue testing on the spring body. The adjustment mechanism 6 includes an electric telescopic rod 601 and a vertical plate 602. The model of the electric telescopic rod 601 is selected according to actual needs to meet the work requirements. The electric telescopic rod 601 is installed inside the testing equipment body 1 , the output end of the electric telescopic rod 601 is fixed with a vertical plate 602, the electric telescopic rod 601 drives the vertical plate 602 to move, the vertical plate 602 is slidingly connected to the column 603, the vertical plate 602 drives the column 603 to move, the cylinder 603 is fixed to the vertical column 604 On the outer wall, the vertical column 604 is slidingly connected with the detection equipment body 1. The cylinder 603 drives the vertical column 604 to slide in the detection equipment body 1. The vertical column 604 drives the lower horizontal plate 7 to rise to adjust the height of the lower horizontal plate 7. The vertical plate 602 is slidingly connected with the sliding rod 9. The vertical plate 602 slides in the sliding rod 9. The sliding rod 9 is fixed inside the body 1 of the detection equipment. The end of the vertical column 604 is fixed with the lower horizontal plate 7, the upper horizontal plate 8 and The surface of the lower horizontal plate 7 is provided with a spring body, and the two ends of the spring to be detected are fixed on the upper horizontal plate 8 and the lower horizontal plate 7 respectively;

The electric telescopic rod 601 in the adjustment mechanism 6 drives the vertical plate 602 to move. The vertical plate 602 slides in the sliding rod 9. The vertical plate 602 drives the cylinder 603 to move. The cylinder 603 drives the vertical column 604 to slide in the detection equipment body 1. The vertical column 604 drives the lower horizontal plate 7 to rise to adjust the height of the lower horizontal plate 7. It is set to perform fatigue testing on the spring bodies of different heights. No staff are required to operate. The corresponding mechanical structure is driven by the electric telescopic rod 601. Adjustments were made to improve the automation of the detection equipment.

working principle:

When testing the fatigue degree of the spring body, first fix the two ends of the spring to be tested on the upper horizontal plate 8 and the lower horizontal plate 7 respectively. The specific fixing process is an existing technology and will not be elaborated here. , start the protective mechanisms 4 on both sides, cover the spring body, start the hydraulic cylinder 3, the hydraulic cylinder 3 drives the upper horizontal plate 8 to move, the upper horizontal plate 8 drives the slide column 5 to slide in the bracket 2, and the upper horizontal plate 8 drives the spring The body is stretched, and the fatigue degree of the spring body is tested through the reciprocating motion of the hydraulic cylinder 3. After completion, the protection of the spring body is released, and the spring body is removed. When the height of the lower horizontal plate 7 needs to be adjusted, the adjustment mechanism is started. 6. Adjust the height of the lower horizontal plate 7 and conduct fatigue testing on the spring bodies of different heights and sizes. The specific protection process and adjustment process:

1. Protection process:

At the same time, the motors 401 on both sides drive the reducer 402 to rotate, the reducer 402 drives the screw 403 to rotate, the screw 403 drives the screw nut 404 to move, and the two screw nuts 404 drive the slider 405 to slide inside the bracket 2 , the two screw nuts 404 drive the cover body 406 to move, so that the left end of the cover body 406 is in contact with the bracket 2. At the same time, the motors 401 on both sides are stopped to cover the detected spring body. After completion, rotate both sides in the opposite direction at the same time. The motor 401, the cover 406 returns to the initial position;

2. Adjustment process:

Start the electric telescopic rod 601. The electric telescopic rod 601 drives the vertical plate 602 to move. The vertical plate 602 slides in the sliding rod 9. The vertical plate 602 drives the column 603 to move. The cylinder 603 drives the vertical column 604 to slide in the detection equipment body 1. The vertical column 604 drives the lower horizontal plate 7 to rise to adjust the height of the lower horizontal plate 7. After completion, stop the electric telescopic rod 601. When the electric telescopic rod 601 contracts, the lower horizontal plate 7 descends.

Example 2:

Referring to Figures 1-5: In this embodiment, the adjustment mechanism 6 also includes a pointer 6a1, a scale 6a2 and a transparent glass 6a3. The pointer 6a1 is fixed on the outer wall of the lower horizontal plate 7, and the scale 6a2 is fixed on the surface of the bracket 2 , the transparent glass 6a3 is installed inside the cover 406, so that when adjusting the height of the lower horizontal plate 7, the lower horizontal plate 7 drives the pointer 6a1, the pointer 6a1 moves on the surface of the scale 6a2, and the staff can observe the movement of the pointer 6a1 The height of the lower horizontal plate 7 is judged by the distance. The cover 406 drives the transparent glass 6a3 to move. When the spring body is undergoing fatigue testing, the staff can observe the state of the spring body through the transparent glass 6a3.

working principle:

Furthermore, when adjusting the height of the lower horizontal plate 7, the lower horizontal plate 7 drives the pointer 6a1, and the pointer 6a1 moves on the surface of the scale 6a2. The staff can judge the height of the lower horizontal plate 7 by observing the distance moved by the pointer 6a1. The body 406 drives the transparent glass 6a3 to move. When the spring body is undergoing fatigue testing, the staff can observe the state of the spring body through the transparent glass 6a3.

Although the present invention has been illustrated and described with reference to preferred embodiments, it will be understood by those of ordinary skill in the art that various changes in form and details may be made within the scope of the claims.

Claims (6)

1. A spring fatigue testing equipment for spring production, including a testing equipment body (1) and a bracket (2). The surface of the testing equipment body (1) is fixedly connected to the end of the bracket (2), and is characterized by: : A hydraulic cylinder (3) is installed inside the bracket (2). The output end of the hydraulic cylinder (3) is fixedly connected with an upper horizontal plate (8). A protective mechanism (8) is provided inside the bracket (2). 4). An adjustment mechanism (6) is provided inside the body (1) of the detection equipment. 2. A spring fatigue testing equipment for spring production according to claim 1, characterized in that: the protection mechanism (4) includes a motor (401) and a reducer (402), and the motor (401) passes The motor base is fixed on the surface of the bracket (2), the output shaft of the motor (401) is fixedly connected with a reducer (402), the reducer (402) is fixedly connected to the screw (403), and the screw (403) is threadedly connected to the screw nut (404). The outer wall of the screw nut (404) is fixed with a slider (405). The slider (405) is slidingly connected to the bracket (2). The screw The end of the lever nut (404) is fixedly connected with a cover body (406). 3. A spring fatigue testing equipment for spring production according to claim 2, characterized in that: the cover body (406) fits the surface of the testing equipment body (1), and the reducer (402) ) is fixed on the outer wall of the bracket (2). 4. A spring fatigue testing equipment for spring production according to claim 2, characterized in that: both ends of the screw (403) are rotatably connected to the bracket (2) and the connecting column (10) through bearings respectively. , the two connecting columns (10) are fixed on the surface of the bracket (2), the sliding column (5) is fixed on the surface of the upper horizontal plate (8), and the two sliding columns (5) are both fixed on the surface of the bracket (2). Slidingly connected with bracket (2). 5. A spring fatigue testing equipment for spring production according to claim 1, characterized in that: the adjustment mechanism (6) includes an electric telescopic rod (601) and a vertical plate (602), and the electric telescopic rod (601) is installed inside the detection equipment body (1). The output end of the electric telescopic rod (601) is fixed with a vertical plate (602). The vertical plate (602) is slidingly connected to the cylinder (603). The cylinder (603) is fixed on the outer wall of the vertical column (604). 6. A spring fatigue testing equipment for spring production according to claim 5, characterized in that: the vertical column (604) is slidingly connected to the testing equipment body (1), and the vertical plate (602) is connected to the sliding The rod (9) is slidingly connected, and the sliding rod (9) is fixed inside the detection equipment body (1). The end of the vertical column (604) is fixed with a lower horizontal plate (7), and the upper horizontal plate (7) is fixed. The surfaces of the plate (8) and the lower transverse plate (7) are provided with spring bodies.