CN201130126Y - Automatic test device for tension and compression force of spiral cable - Google Patents

Abstract

The utility model relates to a test device which is used to test the stretching compression force of a spiral cable. The technical problem which aims to solve is that an automatic test device for the stretching compression force of the spiral cable is provided. The test device has reasonable and simple structure, and can fast and effectively test the stretching and compression force of the spiral cable, which is characterized in that the test device is formed by three parts, wherein the first part is an electronic motor which is used to provided powder for the stretching and the compression of the spiral cable, the second is a polished rod wire arranging machine which is used to control the speed and the stroke when the spiral cable is proceeded with the stretching and compression tests, and the third is a stretching and compression force measuring sensor which is used to test the size of the tensile force or compression force when the spiral cable is tested. The test device adopts a horizontal type design, which can eliminate the effect of the self weight of the spiral cable to the test, and can fast and effectively test the stretching and compression force of the spiral cable.

Description

Automatic test device for tension and compression force of spiral cable

Technical field:

The utility model relates to a testing device for testing the tension and compression force of a spiral cable.

Background technique:

As a signal transmission cable that can be extended and shortened, spiral cables are widely used in various instruments and equipment. In some precision instruments, there are strict requirements on the force generated by the tension and compression of the spiral cable. But there is no special test device for tensile force and compressive force of spiral cable at present. If the existing general-purpose electronic tensile machine is used to test the spiral cable, only one data can be tested at a time, and the tensile force and compressive force cannot be tested simultaneously in one process, and can only be tested separately, which is cumbersome to operate; and the existing electronic tensile force The machine is basically a vertical structure, and errors will occur due to gravity when testing the tension and compression force of the spiral cable.

Invention content:

The technical problem to be solved by the utility model is to provide an automatic testing device for the tension and compression force of the spiral cable, which has a simple and reasonable structure and can quickly and effectively test the tension and compression force of the spiral cable.

In order to solve the problems of the technologies described above, the utility model proposes the following technical solutions and realizes:

The automatic testing device for tension and compression force of spiral cables mainly includes a power device for stretching and compressing spiral cables arranged on a base, and a tension and compression force measuring and sensing device; it is characterized in that:

The base mainly includes two support plates arranged at its left and right ends, and polished rods, guide rods and test rods installed horizontally between the support plates; the polished rods, guide rods and test rods are parallel to each other; the The test rod is detachably mounted on the bracket plate;

The power device mainly includes a polished rod wire arranging machine and an electric motor for driving the polished rod wire arranging machine; The guide rod is equipped with a distance-adjusting nut for controlling the stretching and compression stroke; a connecting rod for pulling the spiral cable set on the test rod is also provided on the polished rod cable machine, and the connecting rod is provided with An interface that can be fixed to the stretched end of the spiral cable;

The sensing device mainly includes tensile and compressive force sensors and a sensor digital display; the sensor can be installed on the bracket plate at the left end or the right end, and the sensor is provided with an interface that can be fixed with the end of the spiral cable; The interface and the interface on the connecting rod are kept on a horizontal line.

The polished rod winding machine is equipped with a speed control device for the winding machine.

The polished rod winding machine is connected with the electric motor through a sprocket.

The utility model brings the following beneficial effects:

After adopting the utility model, it is only necessary to put the spiral cable on the test rod, fix the two ends of the spiral cable in the interface on the sensor and the connecting rod respectively, and then the tension and compression force of the spiral cable can be synchronized conveniently. test, and multiple trials can be performed in succession. Moreover, the utility model adopts a horizontal design, which can eliminate the influence of the self-weight of the spiral cable on the test, and can quickly and effectively test the tension and compression force of the spiral cable.

Description of drawings:

Fig. 1: the structural representation of a preferred embodiment of the present utility model

Detailed ways:

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

See Figure 1, 1 is the sensor; 2 is the sensor digital display; 3 is the test rod; 4 is the connecting rod; 5 is the fixed interface of the spiral cable; 9 is the polished rod; 10 is the distance adjustment nut of the polished rod cable machine; 11 is the guide rod of the polished rod cable machine; 12 is the motor; 13 is the sprocket

Polished rod 9, guide rod 11 and test rod 3 are horizontally installed between left and right support plates; Mutually parallel between described polished rod 9, guide rod 11 and test rod 3; through the mounting hole. Test rod 3 two ends are provided with external thread, can be fixed on left and right support plate by nut connection, make it can be dismantled very easily so that put on and take off spiral cable.

The power device for stretching and compressing the spiral cable mainly includes a polished rod cable machine 6 with a cable machine speed control device 7, and an electric motor 12 for driving the polished rod cable machine 6; the two are connected by a sprocket 13 . The polished rod wiring machine 6 is installed on the polished rod 9, and the polished rod wiring machine 6 is equipped with a roller 8 cooperating with the guide rod 11, and the guide rod 11 is equipped with a distance adjusting nut 10 for controlling the stretching and compression stroke; The polished rod wiring machine 6 is also provided with a connecting rod 4 for pulling the spiral cable sleeved on the test rod 3, and the connecting rod 4 is provided with an interface that can be fixed with the stretching end of the spiral cable .

The sensing device mainly includes tension and compression force sensor 1 and sensor digital display instrument 2; said sensor 1 is provided with an interface that can be fixed with the end of the spiral cable; said interface and the interface on the connecting rod 4 maintain on a horizontal line.

During the test, the spiral cable is hung on the test rod 3 as a whole to eliminate the influence of gravity during stretching or compression; the tensile end of the spiral cable is connected to the interface on the connecting rod 4, and the other end is connected to the interface of the tension and compression force sensor 1 phase fixed. The polished rod arranging machine 6 moving laterally stretches and compresses the spiral cable through the connecting rod 4, and the moving direction of the polished rod arranging machine 6 is kept parallel to the direction of the spiral cable.

The working method of this testing device is: the motor 12 is energized, and the polished rod cable machine 6 moves back and forth laterally under its drive, and the distance-adjusting nut on the guide rod 11 can be adjusted according to the stretching and compression ranges of different spiral cables. 10 to control its movement range; and control the movement speed of the polished rod cable machine 6 according to the requirements of the test; power the sensor 1 to display the tension or compression force of the spiral cable on the sensor digital display 2.

Claims (3)

1. The automatic test device for tension and compression force of spiral cables mainly includes a power device for stretching and compressing spiral cables and a sensor device for stretching and compressing force, which are arranged on the base; it is characterized in that: The base mainly includes two support plates arranged at its left and right ends, and polished rods, guide rods and test rods installed horizontally between the support plates; the polished rods, guide rods and test rods are parallel to each other; the The test rod is detachably mounted on the bracket plate; The power device mainly includes a polished rod wire arranging machine and an electric motor for driving the polished rod wire arranging machine; The guide rod is equipped with a distance-adjusting nut for controlling the stretching and compression stroke; a connecting rod for pulling the spiral cable set on the test rod is also provided on the polished rod cable machine, and the connecting rod is provided with An interface that can be fixed to the stretched end of the spiral cable; The sensing device mainly includes tensile and compressive force sensors and a sensor digital display; the sensor can be installed on the bracket plate at the left end or the right end, and the sensor is provided with an interface that can be fixed with the end of the spiral cable; The interface and the interface on the connecting rod are kept on a horizontal line. 2. The automatic testing device for tension and compression force of spiral cables according to claim 1, characterized in that: said polished rod cable arranging machine is equipped with a cable arranging machine speed control device. 3. The automatic testing device for tensile and compressive force of spiral cables according to claim 1 or 2, characterized in that: the polished rod wiring machine is connected to the electric motor through a sprocket.

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