Elastic testing device for heat-shrinkable insulating tube

Abstract

The utility model discloses an elasticity testing device for a heat-shrinkable insulating tube, and relates to the field of testing devices. The device comprises a testing machine main body, a vertical frame arranged on the top end face of the testing machine main body, a movable seat and a fixed seat arranged on one side of the vertical frame, a hydraulic cylinder arranged on one side of the vertical frame and used for controlling the movable seat to move up and down, and a display screen arranged on one side of the vertical frame and used for displaying an elastic force detection result. According to the thermal shrinkage insulation tube elasticity testing device, through the arrangement of the tubular heater and the pressing rod moving relative to the tubular heater, elasticity testing in the transverse direction and the vertical direction of the thermal shrinkage insulation tube can be met, and the limitation of a traditional clamping piece on clamping and supporting of the thermal shrinkage insulation tube is solved; and in the testing process, the temperature factor in the testing process of the heat-shrinkable insulating tube can be changed, so that the elasticity of the heat-shrinkable insulating tube can be comprehensively tested, and the practicability is good.

Description

Technical Field

[0001] This utility model relates to the field of testing device technology, specifically a heat shrinkable insulating tube elasticity testing device. Background Technology

[0002] Heat shrink tubing can securely wrap around objects of various shapes and sizes, protecting them, such as cables. When wires and cables are subjected to stretching or compression due to insufficient length or space constraints, heat shrink tubing can effectively reduce this pressure, helping the wires and cables maintain their original shape and extending their service life.

[0003] After heat shrinkable insulation tubing is manufactured, its elasticity needs to be tested to verify its quality. In the existing technology, a fully automatic digital display spring tension and compression testing machine is used to test the elasticity of heat shrinkable insulation tubing. This involves connecting both ends of the heat shrinkable insulation tubing to clamping devices set at the testing machine, and then controlling the movement of a set of clamping devices to pull the heat shrinkable insulation tubing. However, in this process, the function of the clamping devices is limited. When testing the elasticity of the heat shrinkable insulation tubing in different directions, the clamping devices cannot make a stable connection with the heat shrinkable insulation tubing.

[0004] The main reason for the above problems is that traditional clamping devices, such as opening and closing clamps, are limited by their own size and can only clamp the two ends of the heat shrinkable insulation tube in the vertical direction. When it is necessary to test the elasticity of the heat shrinkable insulation tube in the lateral direction, the contact between the clamping device and the heat shrinkable insulation tube is incomplete. That is, the contact between the clamping device and the heat shrinkable insulation tube is point-like rather than a large-area surface contact. As a result, the heat shrinkable insulation tube is subjected to uneven force during the subsequent pulling process, which causes it to detach from the clamping device and affects the accurate testing of the elasticity value of the heat shrinkable insulation tube. In order to solve the above problems, we propose a heat shrinkable insulation tube elasticity testing device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a testing device that solves the problem that when supporting heat-shrinkable insulating tubes with a clamping device, the clamping device has limited functionality and cannot achieve a stable connection with the heat-shrinkable insulating tube when testing its elasticity in different orientations.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a heat-shrinkable insulating tube elasticity testing device, comprising a testing machine body, a stand mounted on the top end face of the testing machine body, a movable seat and a fixed seat mounted on one side of the stand, and a hydraulic cylinder mounted on one side of the stand for controlling the up-and-down movement of the movable seat. A set of support mechanisms is provided on the bottom end face of the movable seat and the top end face of the fixed seat. The support mechanisms include:

[0007] The connecting rods are respectively connected to the bottom end face of the movable seat and the top end face of the fixed seat;

[0008] A tubular heater, which is connected to one end of a connecting rod, and one end of the heat-shrinkable insulating tube is sleeved on the outer wall of the tubular heater;

[0009] An adjustment component is used to assist the tubular heater in providing stable support during the testing of heat-shrinkable insulating tubes for varying elasticity.

[0010] Preferably, the adjustment component includes:

[0011] A support base is slidably disposed between the connecting rod and the tubular heater, and a pressure rod is provided on the inner wall of the support base;

[0012] An adjusting screw is rotatably connected to a connecting rod, and the distance between the pressure rod and the tubular heater is adjusted by the adjusting screw.

[0013] Preferably, the top end face of the support base is provided with a telescopic rod for limiting the movement of the support base, and one end of the telescopic rod is connected to the outer wall of the connecting rod.

[0014] Preferably, a bearing is fixedly connected to the top end face of the support base, and the outer wall of one end of the adjusting screw is fixedly connected to the inner wall of the bearing.

[0015] Preferably, the outer wall of the tubular heater is provided with threaded teeth, and a limit nut is threadedly fitted onto the outer wall of the tubular heater with threaded teeth.

[0016] Preferably, the outer wall of each of the multiple sets of connecting rods is provided with mounting screws for connecting the connecting rods to the bottom end face of the movable seat and the top end face of the fixed seat.

[0017] Preferably, one side of the support frame is used for a display screen to show the elasticity test results.

[0018] This utility model discloses an elasticity testing device for heat-shrinkable insulating tubes, which has the following advantages: the device, through the tubular heater and the pressure rod that moves relative to the tubular heater, can satisfy the elasticity test of the heat-shrinkable insulating tube in different directions, both horizontally and vertically, thus overcoming the limitations of traditional clamping devices for holding and supporting heat-shrinkable insulating tubes. Furthermore, the device can change the temperature factor during the testing process, enabling a more comprehensive test of the elasticity of the heat-shrinkable insulating tube, and thus has good practicality. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the tubular heater and heat-shrinkable insulating tube of this utility model;

[0022] Figure 3 This is a schematic diagram of the tubular heater and adjustment assembly of this utility model;

[0023] Figure 4 This is an exploded view of the connecting rod and movable seat structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the moving rod and adjusting screw structure of this utility model.

[0025] In the diagram, 1. Main body of the testing machine; 101. Stand; 102. Hydraulic cylinder; 103. Display screen; 2. Movable seat; 201. Fixed seat; 301. Connecting rod; 302. Tubular heater; 303. Limit nut; 304. Adjustment assembly; 3041. Support seat; 3042. Pressure rod; 3043. Adjusting screw; 3044. Telescopic rod; 3045. Bearing; 305. Mounting screw. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] This application provides a testing device that solves the problem that when a heat-shrinkable insulating tube is supported by a clamping device, the clamping device has limited functionality and cannot be stably connected to the heat-shrinkable insulating tube when testing its elasticity in different positions. This allows the clamping device to achieve a multi-functional transformation.

[0028] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0029] This utility model discloses a device for testing the elasticity of heat-shrinkable insulating tubes.

[0030] According to the appendix Figure 1-5 As shown, the testing machine includes a main body 1, a stand 101 mounted on the top end of the main body 1, a movable seat 2 and a fixed seat 201 mounted on one side of the stand 101, a hydraulic cylinder 102 mounted on one side of the stand 101 for controlling the up and down movement of the movable seat 2, and a display screen 103 mounted on one side of the stand 101 for displaying the elasticity test results. The main body 1, stand 101, movable seat 2, fixed seat 201, hydraulic cylinder 102, and display screen 103 constitute a fully automatic digital display spring tension and compression testing machine of model RMLS-1000N. In use, the two ends of the heat shrinkable insulating tube are connected to the movable seat 2 and the fixed seat 201 respectively. Then, the hydraulic cylinder 102 is started, causing the hydraulic cylinder 102 to move the movable seat 2 away from the fixed seat 201, thereby stretching the heat shrinkable insulating tube located between the movable seat 2 and the fixed seat 201. The elasticity value of the heat shrinkable insulating tube after the tension test is displayed on the display screen 103.

[0031] Both the bottom end face of the movable base 2 and the top end face of the fixed base 201 are equipped with a set of support mechanisms. These support mechanisms allow for elasticity testing of the heat-shrinkable insulating tube in both lateral and vertical directions, and also enable testing of the tube's elasticity at different set temperatures. The support mechanisms include a connecting rod 301, which connects to both the bottom end face of the movable base 2 and the top end face of the fixed base 201. A tubular heater 302 is connected to one end of the connecting rod 301. One end of the heat-shrinkable insulating tube is fitted onto the outer wall of the tubular heater 302. The tubular heater 302 is model SRY6-5 and is powered via a cable connected to a power supply device (not shown in the attached diagram). The tubular heater 302 can test the lateral elasticity of the heat-shrinkable insulating tube itself; details can be found in the attached diagram. Figure 3 .

[0032] The outer wall of the tubular heater 302 is provided with threaded teeth, and a limit nut 303 is threadedly fitted onto the outer wall of the tubular heater 302 with threaded teeth. The limit nut 303 is provided to prevent the heat shrinkable insulating tube from slipping off the outer wall of the tubular heater 302.

[0033] The adjusting component 304 is used to assist the tubular heater 302 in providing stable support during different elasticity tests of the heat-shrinkable insulating tube. Specifically, during the test of the vertical elasticity of the heat-shrinkable insulating tube, it ensures a stable connection between both ends of the tube and the movable seat 2 and the fixed seat 201. The adjusting component 304 includes a support seat 3041, which is slidably disposed between the connecting rod 301 and the tubular heater 302. A pressure rod 3042 is provided on the inner wall of the support seat 3041. An adjusting screw 3043 is rotatably connected to the connecting rod 301. The adjusting screw 3043 adjusts the pressure rod. The distance between the pressure rod 3042 and the tubular heater 302 is adjusted. The top end face of the support base 3041 is provided with a telescopic rod 3044 to limit the movement of the support base 3041. One end of the telescopic rod 3044 is connected to the outer wall of the connecting rod 301. A bearing 3045 is fixedly connected to the top end face of the support base 3041. One end of the adjusting screw 3043 is fixedly connected to the inner wall of the bearing 3045. Through the bearing 3045, the support base 3041 and the pressure rod 3042 will not rotate equally when the adjusting screw 3043 is rotated.

[0034] The outer walls of multiple sets of connecting rods 301 are provided with mounting screws 305 for connecting the connecting rods 301 to the bottom end face of the movable seat 2 and the top end face of the fixed seat 201.

[0035] This heat-shrinkable insulation tube elasticity testing device, through the tubular heater 302 and the pressure rod 3042 that moves relative to the tubular heater 302, can meet the elasticity test of the heat-shrinkable insulation tube in different directions, both horizontally and vertically. It solves the limitations of traditional clamping components for clamping and supporting heat-shrinkable insulation tubes. Furthermore, it can change the temperature factor during the testing process, enabling a more comprehensive test of the elasticity of the heat-shrinkable insulation tube, and has good practicality.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A heat-shrinkable insulating tube elasticity testing device, comprising a testing machine body (1), a stand (101) disposed on the top end face of the testing machine body (1), a movable seat (2) and a fixed seat (201) disposed on one side of the stand (101), and a hydraulic cylinder (102) disposed on one side of the stand (101) for controlling the up-and-down movement of the movable seat (2), characterized in that, The bottom end face of the movable seat (2) and the top end face of the fixed seat (201) are each provided with a set of support mechanisms, the support mechanisms including: The connecting rod (301) is connected to the bottom end face of the movable seat (2) and the top end face of the fixed seat (201), respectively; A tubular heater (302) is connected to one end of a connecting rod (301), and one end of the heat-shrinkable insulating tube is sleeved on the outer wall of the tubular heater (302); Adjustment component (304) is used to assist the tubular heater (302) in providing stable support during the testing of different elasticities of the heat-shrinkable insulating tube.

2. The heat-shrinkable insulating tube elasticity testing device according to claim 1, characterized in that, The adjustment component (304) includes: A support base (3041) is slidably disposed between a connecting rod (301) and a tubular heater (302), and a pressure rod (3042) is provided on the inner wall of the support base (3041); An adjusting screw (3043) is rotatably connected to a connecting rod (301), and the distance between the pressure rod (3042) and the tubular heater (302) is adjusted by the adjusting screw (3043).

3. The heat-shrinkable insulating tube elasticity testing device according to claim 2, characterized in that, The top end face of the support base (3041) is provided with a telescopic rod (3044) for limiting the movement of the support base (3041), and one end of the telescopic rod (3044) is connected to the outer wall of the connecting rod (301).

4. The heat-shrinkable insulating tube elasticity testing device according to claim 3, characterized in that, The top end face of the support base (3041) is fixedly connected to a bearing (3045), and the outer wall of one end of the adjusting screw (3043) is fixedly connected to the inner wall of the bearing (3045).

5. The heat-shrinkable insulating tube elasticity testing device according to claim 1, characterized in that, The outer wall of the tubular heater (302) is provided with threaded teeth, and a limit nut (303) is threadedly sleeved on the outer wall of the tubular heater (302) with threaded teeth.

6. The heat-shrinkable insulating tube elasticity testing device according to claim 1, characterized in that, The outer walls of the multiple sets of connecting rods (301) are provided with mounting screws (305) for connecting the connecting rods (301) to the bottom end face of the movable seat (2) and the top end face of the fixed seat (201).

7. The heat-shrinkable insulating tube elasticity testing device according to claim 1, characterized in that, A display screen (103) is used on one side of the stand (101) to display the elasticity test results.

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