Device for detecting high temperature resistance of cable

Abstract

The utility model discloses a cable high temperature resistance detection device which comprises a heating device, two sides of the heating device are both provided with through holes, two ends of the heating device are both fixedly provided with clamping and fixing mechanisms, a stretching detection mechanism is installed between the clamping and fixing mechanisms and the heating device, and the stretching detection mechanism is connected with the heating device. The cable detection device comprises a heating device and two clamping and fixing mechanisms, a detected cable passes through through holes formed in the two sides of the heating device, rubber rings are bonded in the through holes, the number of the clamping and fixing mechanisms is two, and each clamping and fixing mechanism is provided with a stretching detection mechanism, and the cable detection device relates to the technical field of cable detection. The clamping and fixing mechanism and the stretching detection mechanism are arranged outside the heating equipment, so that the clamping and fixing mechanism and the stretching detection mechanism are not heated, and the service life is prolonged; only a small part of the cable entering the heating equipment is heated, so that the cable loss can be reduced, and the detection cost can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection, in particular to a device for detecting the high-temperature resistance performance of a cable. Background Art

[0002] As is well known, a cable is composed of one or more insulated wires and an insulating layer wrapped around the wires. The main function of the cable is to transmit electricity or signals. According to its uses, cables can be divided into power cables, control cables, compensating cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and so on.

[0003] In the existing device for detecting the high-temperature resistance performance of a cable, a stretching mechanism is usually arranged in a heating box. The stretching mechanism is used to stretch the heated cable. However, this device with the stretching mechanism placed inside the heating equipment has the following deficiencies:

[0004] 1) The stretching mechanism will be heated together with the cable in the heating equipment, so the temperature of the working environment of the stretching mechanism is high, resulting in a shortened service life of the stretching mechanism;

[0005] 2) It is necessary to dock the stretching mechanism and the cable in the narrow inner cavity of the heating equipment, so the operation is not convenient. Summary of the Utility Model

[0006] In view of the problems existing in the existing device for detecting the high-temperature resistance performance of a cable, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a device for detecting the high-temperature resistance performance of a cable, which solves the problems existing in the existing device for detecting the high-temperature resistance performance of a cable, that is, the stretching mechanism will be heated together with the cable in the heating equipment, so the temperature of the working environment of the stretching mechanism is high, resulting in a shortened service life of the stretching mechanism; it is necessary to dock the stretching mechanism and the cable in the narrow inner cavity of the heating equipment, so the operation is not convenient.

[0008] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

[0009] A device for detecting the high-temperature resistance performance of a cable, including a heating equipment, through holes are provided on both sides of the heating equipment, clamping and fixing mechanisms are fixedly installed at both ends of the heating equipment, and a stretching and detecting mechanism is commonly installed between the clamping and fixing mechanisms and the heating equipment.

[0010] As a preferred solution of the device for detecting the high-temperature resistance performance of a cable according to the present utility model, wherein: the through holes on both sides of the heating equipment are for the cable to be detected to pass through, and rubber rings are bonded in the through holes.

[0011] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: there are two clamping and fixing mechanisms, and a tensile detection mechanism is installed on each clamping and fixing mechanism.

[0012] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: the clamping and fixing mechanism includes a support plate fixed to the top of the heating device. An arc-shaped plate is installed on the support plate through bolts. An upper arc-shaped plate is arranged above the lower arc-shaped plate. A threaded pin is rotatably connected to the top end of the upper arc-shaped plate through a bearing. The threaded pin is threadedly connected to a U-shaped frame, and the U-shaped frame is welded to the support plate.

[0013] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: a bearing seat is installed at the top end of the upper arc-shaped plate, and the bearing seat and the threaded pin are rotatably connected through a bearing;

[0014] Chute is provided on the inner wall of the U-shaped frame. Sliders are welded to both ends of the upper arc-shaped plate, and the sliders are slidably connected to the inner wall of the chute.

[0015] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: the tensile detection mechanism includes an electric push rod detachably installed at the bottom of the support plate. A pressure wheel frame is detachably installed at the bottom of the electric push rod. A pressure wheel is fixedly installed on the pressure wheel frame, and a pressure sensor is installed on the bottom wall of the pressure wheel.

[0016] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: a first support connection seat is welded to the bottom of the support plate. The top end of the electric push rod is inserted into the first support connection seat, and the first support connection seat and the electric push rod are fixed by bolts;

[0017] A second support connection seat is welded to the top end of the pressure wheel frame. The bottom end of the electric push rod is inserted into the second support connection seat, and the electric push rod and the second support connection seat are fixed by bolts.

[0018] As a preferred solution of a cable high-temperature resistance performance detection device described in the present utility model, wherein: the tensile detection mechanism further includes a guiding component;

[0019] A cross bar is installed at the bottom of the heating device. The other end of the cross bar is detachably connected to a guide wheel frame, and the guide wheel frame is rotatably connected to a roller through a bearing.

[0020] Compared with the prior art:

[0021] 1. By opening through holes for the cable to pass through on both sides of the heating device, the clamping and fixing mechanism and the stretching detection mechanism are both arranged outside the heating device, so that the clamping and fixing mechanism and the stretching detection mechanism will not be heated, which helps to improve the service life.

[0022] 2. Only a small part of the cable entering the heating device is heated, so that the cable loss can be reduced, which helps to save the detection cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram provided by the present utility model;

[0024] Figure 2 provided by the present utility model Figure 1 cross-sectional view;

[0025] Figure 3 is a side view of the clamping and fixing mechanism provided by the present utility model;

[0026] Figure 4 is a schematic diagram of the pressing wheel provided by the present utility model.

[0027] In the figure: heating device 1, cable 2, cross bar 3, first support connection seat 4, third support connection seat 5, pressing wheel 6, pressure sensor 61, pressing wheel frame 7, second support connection seat 8, electric push rod 9, first support connection seat 10, support plate 11, guide wheel frame 12, roller 13, lower arc plate 14, U-shaped frame 15, threaded pin 16, turntable 17, upper arc plate 18, bearing seat 181. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the purpose, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

[0029] The present utility model provides a cable high-temperature resistance detection device. Please refer to Figures 1-4 , which includes a heating device 1. The heating device 1 can be an existing heating box, heating furnace, etc. The through holes on both sides of the heating device 1 are for the cable to be detected to pass through, and rubber rings are bonded in the through holes. Through holes are opened on both sides of the heating device 1, and clamping and fixing mechanisms are fixedly installed at both ends of the heating device 1. A stretching detection mechanism is commonly installed between the clamping and fixing mechanism and the heating device 1, and a stretching detection mechanism is installed on each clamping and fixing mechanism.

[0030] The clamping and fixing mechanism includes a support plate 11 fixed to the top of the heating device 1. A lower arc plate 14 is installed on the support plate 11 by bolts. An upper arc plate 18 is arranged above the lower arc plate 14. The top end of the upper arc plate 18 is rotatably connected to a threaded pin 16 through a bearing. Specifically, a bearing seat 181 is installed at the top end of the upper arc plate 18, and the bearing seat 181 and the threaded pin 16 are rotatably connected through a bearing. A turntable 17 is fixedly installed at the top end of the threaded pin 16. The threaded pin 16 is threadedly connected to a U-shaped frame 15, and the U-shaped frame 15 is welded to the support plate 11. The lower arc plate 14 and the upper arc plate 18 can clamp the cable; and both the lower arc plate 14 and the upper arc plate 18 are at least 10 cm long, so as to increase the clamping force;

[0031] Chutes are formed on the inner wall of the U-shaped frame 15, and sliders are welded to both ends of the upper arc plate 18. The sliders are slidably connected to the inner wall of the chutes.

[0032] The stretching detection mechanism includes an electric push rod 9 detachably installed at the bottom of the support plate 11. Specifically, a first support connection seat 10 is welded to the bottom of the support plate 11. The top end of the electric push rod 9 is inserted into the first support connection seat 10, and the first support connection seat 10 and the electric push rod 9 are fixed by bolts. A pressure wheel frame 7 is detachably installed at the bottom of the electric push rod 9. Specifically, a second support connection seat 8 is welded to the top end of the pressure wheel frame 7. The bottom end of the electric push rod 9 is inserted into the second support connection seat 8, and the electric push rod 9 and the second support connection seat 8 are fixed by bolts. A pressure wheel 6 is fixedly installed on the pressure wheel frame 7, and a pressure sensor 61 is installed on the bottom wall of the pressure wheel 6; the heating device 1 heats a part of the cable 2 inside it.

[0033] The stretching detection mechanism further includes a guiding component; a cross bar 3 is installed at the bottom of the heating device 1. Specifically, a third support connection seat 5 is fixedly installed on the heating device 1. The cross bar 3 is inserted into the inner wall of the third support connection seat 5 and fixed to the cross bar 3 by bolts. The other end of the cross bar 3 is detachably connected to a guide wheel frame 12. Specifically, a first support connection seat 4 is fixedly installed at the bottom of the guide wheel frame 12. The cross bar 3 is inserted into the inner wall of the first support connection seat 4 and fixed to the cross bar 3 by bolts. The guide wheel frame 12 is rotatably connected to a roller 13 through a bearing; the roller 13 supports the cable 2, and when the cable 2 is bent by force, it can prevent the cable from being squeezed between the inner wall of the through hole on the heating device 1.

[0034] During specific use, the cable 2 is passed through the through hole on the heating device 1, and both ends of the cable 2 are respectively passed through between the lower arc plate 14 and the upper arc plate 18. By rotating the turntable 17, the threaded pin 16 is driven to rotate, so that the upper arc plate 18 descends and cooperates with the lower arc plate 14 to clamp the cable 2; the electric push rod 9 extends to drive the pressure wheel 6 to descend to stretch the cable 2, and the magnitude of the pulling force of the cable 2 being stretched can be obtained through the pressure sensor 61, so as to detect the high-temperature resistance performance of the cable 2.

[0035] Although the present utility model has been described above with reference to the embodiments, various improvements can be made thereto and components thereof can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the present utility model can be combined with each other in any way, and the exhaustive description of these combinations is not given in this specification only for the consideration of saving space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for testing the high temperature resistance of a cable, comprising a heating device (1), characterized in that: Through holes are provided on both sides of the heating device (1), clamping and fixing mechanisms are fixedly installed at both ends of the heating device (1), and a stretching detection mechanism is installed between the clamping and fixing mechanism and the heating device (1); The clamping and fixing mechanism comprises a support plate (11) fixed to the top of the heating device (1), a lower arc plate (14) being mounted on the support plate (11) by means of bolts, an upper arc plate (18) being arranged above the lower arc plate (14), a threaded pin (16) being rotatably connected to the top of the upper arc plate (18) by means of a bearing, the threaded pin (16) being threadedly connected to a U-shaped frame (15), and the U-shaped frame (15) being welded to the support plate (11); The stretching detection mechanism comprises an electric push rod (9) detachably mounted on the bottom of a support plate (11); a pressure wheel frame (7) detachably mounted on the bottom of the electric push rod (9); a pressure wheel (6) is fixedly mounted on the pressure wheel frame (7); and a pressure sensor (61) is mounted on the bottom wall of the pressure wheel (6).

2. A cable high temperature resistance performance detection device according to claim 1, characterized in that: The through holes on both sides of the heating device (1) are used for the cables to be tested to pass through, and rubber rings are bonded inside the through holes.

3. A cable high temperature resistance performance detection device according to claim 1, characterized in that: The clamping and fixing mechanisms are provided with two, and each clamping and fixing mechanism is installed with a stretching detection mechanism.

4. A cable high temperature resistance performance detection device according to claim 3, characterized in that: A bearing seat (181) is installed at the top end of the upper arc-shaped plate (18), and the bearing seat (181) is rotatably connected to the threaded pin (16) via a bearing; A slide groove is provided on the inner wall of the U-shaped frame (15), and sliding blocks are welded at both ends of the upper arc-shaped plate (18), and the inner wall of the slide groove is slidably connected to the sliding blocks.

5. A cable high temperature resistance performance detection device according to claim 4, characterized in that: A first support connection seat (10) is welded to the bottom of the support plate (11), the top end of the electric push rod (9) is inserted into the first support connection seat (10), and the first support connection seat (10) and the electric push rod (9) are fixed by bolts; A second supporting connection seat (8) is welded to the top end of the pressure wheel frame (7), the bottom end of the electric push rod (9) is inserted into the second supporting connection seat (8), and the electric push rod (9) and the second supporting connection seat (8) are fixed by bolts.

6. A cable high temperature resistance performance detection device according to claim 1, characterized in that: The tensile testing mechanism also includes a guide assembly; A cross bar (3) is installed at the bottom of the heating device (1), and the other end of the cross bar (3) is detachably connected to a guide wheel frame (12), and the guide wheel frame (12) is rotatably connected to a roller (13) via a bearing.

Images