CN216012705U - Torsion spring life test equipment - Google Patents

Abstract

The utility model discloses a torsion spring life-span test equipment in spring test equipment technical field, including base, support frame, motor, gear, rotation head, rolling pin, centre rod, controller, the motor passes through the support frame with the rotation head and installs in the base, the motor passes through the gear and is connected with the rotation head, the rolling pin is installed in the axle center of rotation head, the upper right corner demountable installation in rotation head axle center has the centre rod, the motor all is connected with the controller with the rotation head. Has the advantages that: 1. the service life of the torsion spring is tested, the rotation angle can be quantized, the torsion times can be controlled through a controller, and the service life test or the strong torsion process of the torsion spring is achieved; 2. the torsion work requirement of 25N.m of torque can be completed through the power of the motor; 3. the central rod can be freely replaced, and different products can be freely switched; 4. the error of the torsion angle is less than 0.1 degree, and the simulation analysis can be effectively finished.

Description

Torsion spring life test equipment

Technical Field

The utility model belongs to the technical field of spring test equipment, in particular to torsion spring life-span test equipment.

Background

At present, with the rapid development of the mechanical industry, the application of the spring is wider and wider, and the torsion data of the spring becomes an important index for evaluating the quality of the spring.

The spring torsion testing machine on the market at present has some unsatisfactory places: or the power transmission is realized by gears and chains, and the mechanism is heavy and complex; or the clamping mode adopts the chuck, the clamping area is small, the clamping force is small, the clamping cannot be realized, the clamping can slip, the sample spring can rotate or axially slide, the clamping force is large, the sample spring can be damaged, the sample spring is damaged before the test is started, and the test accuracy is reduced; or the test requirements of products with different specifications are difficult to meet due to the limitation of the equipment structure.

In a word, a spring torsion testing machine in the existing market is difficult to meet the torsion test of a spring, so that a spring torsion testing device which is simple in structure, good and reliable in sample clamping effect, convenient to operate and low in cost is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of specific torsion spring life test, the utility model discloses the decision research and development torsion spring life-span test equipment.

The utility model provides a torsion spring life-span test equipment, includes base, support frame, motor, gear, rotation head, rotational pin, centre rod, controller, the motor passes through the support frame with the rotation head and installs in the base, the motor passes through the gear and rotates the head and be connected, the rotational pin is installed in the axle center of rotation head, the upper right corner demountable installation who rotates head axle center has the centre rod, the motor all is connected with the controller with the rotation head.

Further, the bottom of the rotating head is provided with a spring guide plate.

Furthermore, the device also comprises an auxiliary positioning device which is arranged on one side of the rotating pin.

Furthermore, the auxiliary positioning device comprises a supporting column and a pushing spring device, the pushing spring device is installed at the top end of the supporting column, the supporting column is arranged on one side of the rotating pin, and the pushing spring device is matched with the rotating pin.

The utility model discloses the beneficial effect who gains as follows:

1. the torsion life test of the torsion spring can quantify the rotation angle, and the torsion times can be controlled by the controller, so that the life test or the strong torsion process of the torsion spring is achieved;

2. the torsion work requirement of 25N.m of torque can be completed through the power of the motor;

3. the central rod can be freely replaced, and different products can be freely switched;

4. the error of the torsion angle is less than 0.1 degree, and the simulation analysis can be effectively finished.

Drawings

FIG. 1 is a front view of a torsion spring life test apparatus;

FIG. 2 is a left side view of the torsion spring life testing apparatus;

FIG. 3 is an enlarged view of a portion of the rotating head;

fig. 4 is a front view of a torsion spring suitable for the present invention;

the reference numbers in the figures are:

the device comprises a torsion spring mounting position 1, a rotating pin 2, a central rod 3, a motor 4, a gear 5, a rotating head 6, a controller 7, a base 8, a support frame 9, a spring guide plate 10, an auxiliary positioning device 11, a spring pushing device 12 and a support column 13.

Detailed Description

Example 1

As shown in fig. 1-4, a torsion spring life test equipment, includes base 8, support frame 9, motor 4, gear 5, rotates first 6, rolling pin 2, centre rod 3, controller 7, motor 4 and rotation head 6 pass through support frame 9 and install in base 8, motor 4 passes through gear 5 and is connected with rotation head 6, rolling pin 2 is installed in the axle center of rotation head 6, the upper right corner demountable installation who rotates first 6 axle centers has centre rod 3, motor 4 and rotation head 6 all are connected with controller 7, rotate first 6 bottoms and install spring guide plate 10.

Still include auxiliary positioning device 11, auxiliary positioning device 11 includes support column 13 and pushes away spring device 12, it installs in the top of support column 13 to push away spring device 12, support column 13 sets up in rotation pin 2 one side, it sets up with rotation pin 2 matching to push away spring device 12.

The working process is as follows: the utility model outputs power by the rotation of the motor 4, the power is output to the position of the rotating head 6 by the gear 5, the central rod 3 with the diameter of 25mm is arranged on the rotating head 6, and the end head of the central rod 3 can be processed into any required size according to the inner diameter size of the torsion spring to meet the fixing requirement of the torsion spring; the rotation torque is set to be 28.4N.m through the power of a motor, the test can be completed on any torsion spring with the wire diameter within 8mm and the torque not exceeding 25N.m, the torsion spring is fixed through a central rod 3, the position of a rotation pin 2 is set through a controller 7, the position of the rotation pin 2 is set to be accurate in a free state, the torsion spring can be put in, the controller 7 can complete the setting of at most 3 angles, the free angle, the pre-tightening angle and the working angle of the torsion spring are set, the angle deviation is less than 0.1 degrees through a positioning inductor, the spring torsion simulation can be accurately completed, the controller 7 sets the torsion times of the spring, when the torsion spring is broken or falls off, the automatic stop can be realized due to the disappearance of the torque, when the torsion times reach the set times, the automatic stop of the device is realized, the torsion spring is pushed out of the test device through an auxiliary positioning device, and the torsion spring enters a container through a spring guide plate 10, and completing the test work of the torsion spring.

Claims (4)

1. A torsion spring life test device is characterized in that: including base (8), support frame (9), motor (4), gear (5), rotate head (6), rotating pin (2), centre rod (3), controller (7), install in base (8) through support frame (9) motor (4) and rotation head (6), motor (4) pass through gear (5) and are connected with rotation head (6), rotating pin (2) are installed in the axle center of rotating head (6), the upper right corner demountable installation in rotation head (6) axle center has centre rod (3), motor (4) and rotation head (6) all are connected with controller (7).

2. A torsion spring life test apparatus according to claim 1, wherein: the device is characterized by further comprising a spring guide plate (10), wherein the spring guide plate (10) is installed at the bottom of the rotating head (6).

3. A torsion spring life test apparatus according to claim 1, wherein: the device is characterized by further comprising an auxiliary positioning device (11), wherein the auxiliary positioning device (11) is arranged on one side of the rotating pin (2).

4. A torsion spring life test apparatus according to claim 3, wherein: auxiliary positioning device (11) include support column (13) and push away spring assembly (12), push away spring assembly (12) and install in the top of support column (13), support column (13) set up in rotating pin (2) one side, push away spring assembly (12) and rotating pin (2) matching setting.

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