CN210953295U

CN210953295U - Spring tension testing device

Info

Publication number: CN210953295U
Application number: CN201922169042.9U
Authority: CN
Inventors: 韩婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-07
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a spring tension testing device, belonging to the testing technical field, comprising a box body made of a thermal insulation explosion-proof plate, wherein the top part in the box body is provided with a heating pipe, the middle part is a testing box, and the lower part is a control box; hydraulic lifting arms are arranged in the left side wall and the right side wall of the box body of the test box, a lifting cross beam is horizontally erected in the box body, two ends of the lifting cross beam are respectively connected with the hydraulic lifting arms, the middle part of the lifting cross beam is fixedly connected with a temperature sensor and a tension sensor, the bottom wall of the test box is a supporting seat, and a spring fixing clamp is arranged on the bottom wall of the test box; the utility model discloses the test box adopts explosion-proof structure, combines the hydraulic pressure lift support arm to realize the tensile test of spring under high temperature environment, and this device is pollution-free, the noise is low, efficient, and it is stable to go up and down, and easy to overhaul the maintenance, and whole test stroke carries out the security height at the incasement, and the temperature is stable in the sealed explosion-proof box, detects the accuracy, and PC machine control intelligence degree of automation is high.

Description

Spring tension testing device

Technical Field

The utility model belongs to the technical field of the test, a spring tension test device is related to.

Background

The spring deforms under the action of external force and restores to the original shape after the external force is removed. The spring has the characteristics that the spring is widely applied to various industries, and a large number of springs exist in industrial manufacture and daily hardware products, so that in order to safely and reasonably utilize the spring, people need to test the performances of the spring in various aspects such as durability, bearing capacity and the like, wherein the tensile force test is an important content. The spring tension testing device in the prior art is generally an open door frame type or desk type testing machine, and the like, wherein certain defects exist, namely the open type testing device is used for testing the tension of the spring, and the accidental situations that the spring with quality problems is pulled, pressed, deformed beyond limit and broken and dislocated exist in the testing process, so that the danger is caused to the surrounding environment and operators, and in addition, the common open type spring testing machine is difficult to test the tension tolerance condition of the spring used in a higher temperature environment.

Disclosure of Invention

In view of the above-mentioned defects of the prior art, the present invention provides a spring tension testing device to solve the above-mentioned problems.

The utility model discloses a spring tension testing device, which comprises a box body, wherein the box body is divided into an upper testing box and a lower control box by a partition plate; the top wall in the test box is provided with a heating pipe, the left and right opposite side walls of the test box are internally provided with hydraulic lifting arms capable of lifting in a chute, a lifting cross beam is horizontally erected in the test box, two ends of the lifting cross beam are respectively connected with the hydraulic lifting arms, the middle part of the lifting cross beam is fixedly connected with a tension sensor, the tension sensor is fixedly connected with a spring hanging claw, and the bottom wall of the test box is provided with a spring fixing clamp and the lifting cross beam is fixedly connected with a temperature sensor; the control box is internally provided with a hydraulic drive motor and a PC (personal computer) which are connected with an external power supply, the PC is connected with an external display, and the tension sensor, the temperature sensor and the heating pipe are connected with the PC circuit.

As a further improvement of the utility model, the test box is made for heat-insulating explosion-proof board.

As a further improvement, the box door of the test box is a split door.

As a further improvement of the utility model, the closed part of the opposite-pulling door gate is provided with a sealing strip.

As a further improvement, corresponding slide ways are respectively arranged on the bottom wall and the top wall in the front in the test box, and the sliding door slides and opens and closes in the slide ways.

As a further improvement of the utility model, the baffle between test box and the control box be thermal-insulated explosion-proof board.

As a further improvement of the utility model, the spring hanging claw is fixed in a buckling manner.

The utility model discloses a spring tension testing arrangement adopts explosion-proof heat preservation test box to combine hydraulic pressure lift support arm, has realized carrying out the security to spring pulling force's test under high temperature environment, and this device is pollution-free, the noise is low, efficient, and the lift is stable, and easy to overhaul maintains, and whole test stroke carries out the security in the incasement, and the box internal temperature of sealed explosion-proof is stable, and PC intelligence automatic machine control detects the accuracy.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the test box of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a spring tension testing device, including box 1, box 1 is separated for upper portion test box 3, lower part control box 4 by the baffle.

The test box 3 is made by thermal-insulated explosion-proof board, and the explosion-proof board is steel sheet, explosion-proof glass board etc. chooses explosion-proof glass board for use can the whole test procedure of direct observation spring, obtains better test effect.

The chamber door of test box 3 be to sliding door 14, heating pipe 2 has been inlayed at test box 3 internal top, it has corresponding slide 13 to open on preceding diapire in test box 3 and the roof, sliding opening and shutting in sliding door 14 in slide 13, the advantage of this kind of mode of opening and shutting is, the orbit that opens and shuts to the sliding door removes at the horizontal direction, its occupation space is little, succinctly regular, avoid hindering the hoist and mount of various types of spring, it is equipped with sealing strip 12 to 14 doorways of sliding door department of opening and shutting, the rising and the dimension of assurance incasement temperature are steady, the performance of spring under certain temperature is surveyed in the test. The heating pipe is preferably an electric heating pipe, and is convenient to install and maintain and low in cost.

Be equipped with hydraulic pressure lift arm 6 in the relative lateral wall about test box 3, the internal spout 15 about having seted up of both sides, lift crossbeam 7 level frame is in test box 3 and both ends connect hydraulic pressure lift arm 6 respectively, and hydraulic drive motor drive hydraulic pressure lift arm 6 drives lift crossbeam 7 oscilaltion in spout 15, because hydraulic pressure lift arm 6 reciprocating lifting motion for lift crossbeam 7 is reciprocating stretching action. A tension sensor 5 is fixedly connected to the middle of the lifting cross beam 7, the tension sensor 5 is fixedly connected with a spring hanging claw 8, a spring fixing clamp 9 matched with the spring hanging claw 8 to fix a tested spring is arranged on the bottom wall of the test box 3, and a temperature sensor 10 is fixedly connected to the lifting cross beam 7.

The lower part of the box body 1 is a control box 4, a hydraulic drive motor and a PC (personal computer) which are connected with an external power supply are arranged in the control box 4, the PC is connected with an external display, and the tension sensor 5, the temperature sensor 10 and the heating pipe 2 are connected with a PC circuit. The baffle between test box 3 and control box 4 is the thermal insulation explosion-proof board, and control box 4 lies in the function that the bottommost portion of box 1 had whole device end seat concurrently, and it can adopt with this device testing strength assorted ordinary steel material preparation, need not thermal insulation explosion-proof board to reduce cost. The front of the control box 4 is provided with a box door, and the side wall of the box door can be provided with a data wire hole and a power wire hole.

In addition, this device spring lifting claw 8 is fixed for the buckle, its simple structure, and convenient operation is swift, and this device can be equipped with the anchor clamps of different grade type simultaneously to the spring test of adaptation different grade type can be selected and used the spring hoist and mount mounting fixture among the ripe prior art, is no longer repeated here.

The utility model discloses a spring tension testing arrangement, during the test, only need will be surveyed the spring and fix on equipment, then through the PC adjusted test procedure to through corresponding data in temperature sensor 10 and the tension sensor 5 monitoring box, obtain audio-visual test result through outside display device, whole testing process goes on in box 1, stops the potential safety hazard.

Claims

1. A spring tension testing device comprises a box body (1), and is characterized in that the box body (1) is divided into an upper testing box (3) and a lower control box (4) by a partition plate; the testing device is characterized in that a heating pipe (2) is arranged on the inner top wall of the testing box (3), hydraulic lifting arms (6) capable of lifting in a sliding chute (15) are arranged in the left side wall and the right side wall of the testing box (3), a lifting cross beam (7) is horizontally erected in the testing box (3), two ends of the lifting cross beam are respectively connected with the hydraulic lifting arms (6), a tension sensor (5) is fixedly connected to the middle of the lifting cross beam (7), the tension sensor (5) is fixedly connected with a spring hanging claw (8), a spring fixing clamp (9) is arranged on the bottom wall of the testing box (3), and a temperature sensor (10) is fixedly connected to the lifting; the hydraulic drive motor and the PC machine which are connected with an external power supply are arranged in the control box (4), the PC machine is connected with an external display, and the tension sensor (5), the temperature sensor (10) and the heating pipe (2) are connected with the PC machine circuit.

2. A spring tension testing device according to claim 1, characterized in that the testing box (3) is made of a thermal insulating explosion-proof plate.

3. A spring tension testing device according to claim 2, characterized in that the door of the testing box (3) is a sliding door (14).

4. A spring tension testing device according to claim 3, wherein a sealing strip (12) is provided at the closing position of the doorway of the sliding door (14).

5. A spring tension testing device according to claim 4, characterized in that the bottom wall and the top wall of the front inside of the testing box (3) are respectively provided with corresponding slideways (13), and the sliding door (14) slides and opens and closes in the slideways (13).

6. A spring tension testing device according to claim 5, characterized in that the partition between the testing box (3) and the control box (4) is a thermal insulation explosion-proof plate.

7. A spring tension test device according to any of claims 1-6, characterized in that the spring finger (8) is snap-fit.