Cable insulation layer thermal stress deformation integrated detection machine

The integrated thermal stress deformation testing machine for cable insulation layers uses mechanisms such as arc-shaped lifting blocks to simulate the actual state of the cable. Combined with internal and external heating and pressurization, it achieves high-precision thermal stress deformation testing of cable insulation layers under various conditions, solving the problem of discrepancies between test results and actual environmental conditions, and improving the accuracy and reliability of testing.

CN120685463BActive Publication Date: 2025-11-07HANGZHOU AOYU METAL PROD CO LTD
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Patent Information

Application Number
CN202511174888.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2025-11-07
Estimated Expiration
2045-08-21

AI Technical Summary

Technical Problem

Existing cable insulation thermal stress deformation testing equipment cannot perform testing under simulated actual cable usage conditions, leading to discrepancies between test results and actual environmental conditions, especially in bending, folding, and hanging conditions.

Method used

An integrated thermal stress deformation testing machine for cable insulation was designed. By simulating arc bending, folding and lifting mechanisms, combined with internal and external heating and pressurization, the thermal stress deformation of the cable under actual laying conditions can be detected. The cable shape is adjusted by using arc lifting blocks, corner lifting blocks and lifting simulated support blocks, and precise positioning detection is performed by adjustable detection probes.

Benefits of technology

It realizes the simulation of real working conditions under various cable morphologies, improves the accuracy and reliability of test data, avoids the problems of single environment and morphology limitation in traditional methods, and provides high-confidence test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to cable insulation layer detection technical field, specifically, it relates to cable insulation layer thermal stress deformation integrated detection machine, including lower box and separable upper box, the upper box top is provided with heating mechanism for heating, the lower box bottom is provided with pressurizing equipment for pressurizing, the lower box both sides are provided with power supply equipment, the power supply equipment is provided with partition and sealing rubber sleeve between the lower box. The present application is through the initiative form adjustment mechanism and the dynamic adjustable detection probe system, realizes the thermal stress deformation integrated detection of cable insulation layer in the sealed space of heating and pressurizing, provides high credibility data support for the cable reliability design under the real working condition of multiple forms, thereby avoids the problem that the traditional method environment is single, form is limited and detection blind area is big.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable insulation layer detection, and particularly relates to a cable insulation layer thermal stress deformation integrated detection machine. BACKGROUND

[0002] The cable insulation layer is a key material wrapped outside the cable conductor (such as copper wire or aluminum wire), and its core function is to prevent current from flowing along unintended paths (i.e., to prevent conduction between conductors or between the conductor and the ground), while protecting the conductor from environmental factors (such as moisture, chemicals, heat, mechanical damage). The thermal stress detection of the insulation layer is mainly thermal deformation detection, which measures the thickness deformation rate of the insulation layer under pressure at a specified temperature. In addition, thermal deformation detection also monitors size changes by probe contact with the sample under programmed temperature conditions.

[0003] Currently, the thermal stress deformation detection of the cable insulation layer mainly changes the temperature and pressure conditions, and then uses laser scanning or probes to measure the deformation. However, the temperature rise of the general cable during use is caused by the heat generated by the internal conductor. The heating position of the cable insulation layer is inside, while the heating position of the cable insulation layer during general thermal stress deformation detection is outside, which makes the insulation layer heating position different, resulting in different deformation effects.

[0004] In addition, since the cable is mostly hung up for laying or laid underground in real use environment, when hung up, the cable will be in a locally downward bending state, and when laid underground, due to the influence of cable connection points and channel positions, the cable will be in a locally bent and stretched state. However, during the thermal stress deformation detection of the cable insulation layer, a section of the cable is mostly laid straight for detection, which is different from the real use, resulting in a certain difference between the measured thermal deformation value and the thermal deformation value in the real environment. Therefore, a detection device is needed to solve the problem. SUMMARY

[0005] The present application provides a cable insulation layer thermal stress deformation integrated detection machine to simulate arc-shaped bending, bending and hanging downward bending mechanism to help the cable to perform thermal stress deformation detection in the simulated real laying state. In addition, the cable can be connected at both ends to realize power supply, heat generation in the cable, and thus form temperature rise inside and outside the cable insulation layer, thereby solving the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the present application provides a cable insulation layer thermal stress deformation integrated detection machine, which comprises a lower box body and a separable upper box body, the top end of the upper box body is provided with a heating mechanism for heating, the bottom end of the lower box body is provided with a pressurizing device for pressurizing, the two sides of the lower box body are provided with a power supply device, the power supply device is provided between the lower box body and the lower box body, and the sealing sleeve is shaped and matched with the edge of the upper box body, so that the edge sealing property is ensured when the upper box body and the lower box body are combined to form a sealed cylindrical detection box, and the laying channel arranged in the inner side of the lower box body is further provided, the laying channel comprises an upper channel and a lower channel, the upper channel is concave for laying the cable and is provided with a locking hoop at both ends, and the lower channel is attached to the bottom wall of the lower box body.

[0007] The upper channel is provided with a through groove, and the cable locking head connected with the power supply device is arranged at both ends.

[0008] The shape adjusting mechanism comprises an arc-shaped jacking block, a corner jacking block and a lifting simulation supporting block below the through groove, the top surface of the arc-shaped jacking block is a convex arc, which is used for making the cable in a curved state, the top end of the corner jacking block is a sharp corner, which is used for making the cable in a bent state, and the lifting simulation supporting block is a concave block, which is used for lifting the two ends of the cable to make the middle part droop, simulating the lifting state, the upper channel is provided with three through grooves corresponding to the lifting paths of the arc-shaped jacking block, the corner jacking block and the lifting simulation supporting block, and the driving assembly is an electric push rod vertically arranged in the lower channel, so that the arc-shaped jacking block, the corner jacking block and the lifting simulation supporting block pass through the through grooves and invade the laying path of the upper channel respectively to adjust the shape of the cable.

[0009] The detection probe system comprises a side detection probe and an adjustable detection probe, the side detection probe is arranged on the side wall of the lower box body and faces the upper part of the laying channel to detect the flat cable, and the adjustable detection probe is arranged below the shape adjusting mechanism and is used for detecting the cable after shape adjustment.

[0010] As a further improvement of the technical scheme, long grooves are arranged on the arc-shaped jacking block, the corner jacking block and the lifting simulation supporting block, and the adjustable detection probe comprises a deformation detection probe and a jacking part for driving the deformation detection probe to lift and lower;

[0011] The deformation detection probe passes through the long grooves to contact the cable and independently detects the deformation of the insulation layer in the curved, bent and drooping states.

[0012] The adjustable detection probe further comprises a horizontal control part for driving the jacking part to move horizontally.

[0013] The horizontal control member comprises a horizontal control knob and a sliding block, the sliding block is slidably arranged along the length direction of the lower channel, the horizontal control knob is arranged on the lower channel, and the output end of the horizontal control knob is connected with the sliding block and drives the sliding block to slide, and the jacking member is arranged on the sliding block, so that the sliding block is controlled to slide through the horizontal control knob, and the horizontal position of the jacking member and the deformation detection probe is adjusted.

[0014] As a further improvement of the technical solution, a plurality of side detection probes are arranged on the side wall of the lower box, and each side detection probe comprises a driving member and a probe body, the driving member penetrates through the side wall of the lower box, and the probe body is arranged on the output end of the driving member to drive the probe body to approach the laying path of the upper channel through the driving member.

[0015] Among them, a plurality of side detection probes are distributed between the arc-shaped jacking block, the corner jacking block and the lifting simulation support block, and are used for detecting the flat laying section not affected by the shape adjusting mechanism.

[0016] As a further improvement of the technical solution, the cable locking head comprises an adjustable telescopic frame and a power connection joint arranged at the telescopic end of the adjustable telescopic frame, the power connection joint is a circular joint, and the power connection joint is matched with the arc surface of the upper channel and is used for clamping the end of the cable and forming an electric path with the power supply equipment.

[0017] In the technical solution, the cable locking head is connected with the adjustable telescopic frame through the power connection joint, current is passed through the two ends of the cable to make the cable internally generate heat, and the sealing box, the heating mechanism and the pressurizing equipment are combined to form a double real environment of internal heating and external heating and pressurizing, so that the cable power supply working condition and the environmental temperature and pressure load are simulated synchronously, and the authenticity of the detection data is improved.

[0018] Compared with the prior art, the cable insulation layer thermal stress deformation integrated detection machine has the following beneficial effects:

[0019] 1. The arc-shaped jacking block, the corner jacking block and the lifting simulation support block are driven by the electric push rod to actively jack the cable on the upper channel, so that the cable forms four real working conditions, i.e. flat laying state, upward bending state, upward folding state and lifting downward bending state, thereby integrating cable multi-form deformation simulation in a single device.

[0020] 2. The adjustable detection probe is integrated below the shape adjusting mechanism, the sliding block is driven to move transversely by the horizontal control member, the detection point is accurately positioned, the deformation detection probe is vertically pushed through the long slot of each jacking block by the jacking member, and the insulation layer of the bending and folding section is directly contacted, so that full coverage detection of the flat laying and bending areas is realized.

[0021] 3. Through the active morphological adjustment mechanism and the dynamically adjustable detection probe system, the thermal stress deformation integrated detection of the cable insulation layer under the multi-morphology real working condition is realized in the heated and pressurized sealed space, high confidence data support is provided for the cable reliability design, thereby avoiding the problems of single environment, morphological limitation and large detection blind area of the traditional method. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic diagram of the present application;

[0023] Figure 2 It is the overall structure schematic diagram of the present application after separating the upper box body and the heating mechanism;

[0024] Figure 3 It is the structure distribution schematic diagram of the present application; Figure 2 It is the structure distribution schematic diagram of the present application;

[0025] Figure 4 It is the structure distribution schematic diagram of the present application;

[0026] Figure 5 It is the structure distribution schematic diagram of the present application;

[0027] Figure 6 It is the structure distribution schematic diagram of the present application of the arc-shaped lifting block, the corner lifting block and the lifting simulation support block on the laying channel;

[0028] Figure 7 It is the structure distribution schematic diagram of the present application; Figure 6 It is the structure distribution schematic diagram of the present application;

[0029] Figure 8 It is the structure distribution schematic diagram of the present application of the arc-shaped lifting block, the corner lifting block and the lifting simulation support block after lifting the cable.

[0030] In the figure: 1, lower box body; 2, upper box body; 3, heating mechanism; 4, pressurizing equipment; 5, power supply equipment; 6, laying channel; 61, cable locking head; 611, power supply connector; 612, adjustable telescopic frame; 62, upper channel; 63, lower channel; 7, arc-shaped lifting block; 8, corner lifting block; 9, lifting simulation support block; 10, driving assembly; 11, side detection probe; 111, driving piece; 112, probe main body; 12, adjustable detection probe; 1201, deformation detection probe; 1202, lifting piece; 13, horizontal control piece; 1301, horizontal control element; 1302, sliding block. DETAILED DESCRIPTION

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Reference Figures 1 to 8 As shown, this invention provides an integrated testing machine for thermal stress deformation of cable insulation. To simulate real-world conditions during thermal stress deformation testing of cable insulation, and to detect thermal stress deformation data of the cable under various states, thereby making the thermal stress deformation testing of the insulation more realistic, the machine is configured with a lower housing 1 and a separable upper housing 2, as shown below. Figure 2 As shown, the lower chamber 1 and the upper chamber 2 form a cylindrical testing chamber. Sealing rubber gaskets are provided at the edges of both chambers, and they are sealed together by a threaded locking structure at the edges, creating a sealed space inside after merging. A heating mechanism 3 is provided at the top of the upper chamber 2, which can be a hot air drying mechanism, ensuring a temperature of 120±2℃. The heating mechanism 3 can heat the sealed space. A pressurizing device is provided at the bottom of the lower chamber 1. 4. The pressurizing device 4 can be a booster pump, which can pressurize the sealed space to control the temperature and pressure within the sealed space formed by the lower box 1 and the upper box 2, facilitating the detection of thermal stress deformation of the insulation layer. The lower box 1 is equipped with power supply devices 5 on both sides, which can be power sources to energize the cable and obtain thermal stress test data of the cable under energized and normal conditions. During normal testing, a control group can be set up to obtain thermal stress test data of the cable when it is not energized, reducing data errors.

[0033] The integrated testing machine for thermal stress deformation of cable insulation also includes a laying channel 6 and a shape adjustment mechanism set inside the lower housing 1. The laying channel 6 includes an upper channel 62 and a lower channel 63. The upper channel 62 is a long channel for laying cables, and the lower channel 63 fits against the arc-shaped bottom wall of the lower housing 1. The upper channel 62 is equipped with locking clamps on both sides to lock the two ends of the cable laid on the upper channel 62. The upper channel 62 is equipped with cable locking heads 61 for connecting to the power supply equipment 5 at both ends. When the cable is laid on the upper channel 62, it can be connected through the cable locking heads 61 on both sides, so that the cable can be energized during the testing process, allowing the cable to heat up from the inside, thereby simulating the thermal deformation of the insulation layer of the cable under the actual use state when energized, and obtaining relevant data. The upper channel 62 has a through groove.

[0034] As Figure 6 and Figure 7 shown, the shape adjusting mechanism includes an arc-shaped jacking block 7, a corner jacking block 8 and a lifting simulation supporting block 9, all of which are driven to rise by a driving assembly 10, and can intrude into the upper passage 62 to jacking and adjusting the shape of the cable laid on the upper passage 62;

[0035] The upper passage 62 and the lower passage 63 are both arc-shaped long passages, and the inner recess of the upper passage 62 is adapted to the placement of the cable, and three through grooves are provided at the bottom end of the upper passage 62, corresponding to the positions of the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9;

[0036] The driving assembly 10 is an electric push rod, and is vertically arranged on the lower passage 63, and the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9 are respectively arranged on the output end of one driving assembly 10, to realize the lifting driving of the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9, so that the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9 are controlled to rise respectively, pass through the through grooves and intrude into the laying path of the upper passage 62.

[0037] It also includes side detection probes 11 and adjustable detection probes 12, the side detection probes 11 are arranged on both sides of the lower box body 1, and face the upper laying passage 6, and can detect the deformation of the outer insulation layer of the cable laid on the upper passage 62.

[0038] As Figure 6 and Figure 8 shown, the arc-shaped jacking block 7 is an arc-shaped block with a convex top surface, the corner jacking block 8 has a sharp corner at the top end, and the lifting simulation supporting block 9 is a concave block, and long grooves are provided on the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9, and adjustable detection probes 12 are arranged below the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9, and the detection ends of the adjustable detection probes 12 pass through the corresponding long grooves, so that after the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9 complete the shape adjustment of the cable on the upper passage 62, the adjustable detection probes 12 can complete the thermal stress deformation detection of the cable insulation layer;

[0039] As Figure 7As shown, the adjustable detection probe 12 is arranged below the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9, and the adjustable detection probe 12 comprises a deformation detection probe 1201, a jacking piece 1202 and a horizontal control piece 13. The horizontal control piece 13 comprises a horizontal control element 1301 and a sliding block 1302. The sliding block 1302 is slidingly installed on the lower passage 63, and the sliding direction is the same as the length direction of the laying passage 6. The horizontal control element 1301 is arranged on the lower passage 63, and the output end of the horizontal control element 1301 is connected to the sliding block 1302, so that the horizontal control element 1301 can control the horizontal sliding of the sliding block 1302. The jacking piece 1202 is vertically arranged on the sliding block 1302, and the deformation detection probe 1201 is arranged at the jacking end of the jacking piece 1202, and the end of the deformation detection probe 1201 penetrates through the long slot and faces the cable on the upper passage 62.

[0040] The horizontal control element 1301 can control the horizontal sliding of the sliding block 1302, so as to adjust the position of the deformation detection probe 1201 below the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9. After the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9 complete the shape adjustment of the cable, the deformation detection probe 1201 is used for detection.

[0041] It should be clear that when the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9 penetrate through the through slot and intrude into the laying path of the upper passage 62, the cable laid on the upper passage 62 will be lifted up. At this time, the cable on the arc-shaped jacking block 7 will be in a curved state, and the cable on the corner jacking block 8 will be in a bent state which is tapered and cornered. At the lifting simulation supporting block 9, the two ends of the cable will be lifted up by the concave lifting simulation supporting block 9. At this time, the part of the cable in the middle of the lifting simulation supporting block 9 will be bent down under the action of gravity, simulating the state of the cable being lifted up under the action of gravity. At this time, the thermal stress deformation of the cable insulation layer in these states can be detected by the deformation detection probe 1201, and the real data can be obtained.

[0042] As shown in Figure 6 and Figure 7 , the side detection probe 11 comprises a driving piece 111 arranged through the side wall of the lower box body 1 and a probe body 112 arranged at the end of the driving piece 111, and the probe body 112 faces the cable laying position of the upper passage 62, so as to perform lateral thermal stress deformation detection on the laid cable. The side detection probe 11 is arranged on the side wall of the lower box body 1, and is spaced apart from the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9, so that the side detection probe 11 can detect the part of the cable which is not affected by the shape of the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation supporting block 9.

[0043] It should be clear that, asFigure 8 As shown, when the arc-shaped jacking block 7, the corner jacking block 8 and the lifting simulation support block 9 respectively jack part of the cable, the cable will form four states, i.e. flat state, upward bending state, upward folding state and lifting downward bending state, the cable on both sides and the jacked part remain flat state, and the side detection probe 11 corresponds to detect the cable in flat state.

[0044] As shown in the figure, Figure 5 The cable locking head 61 includes a power supply connector 611 and an adjustable telescopic support 612, the adjustable telescopic support 612 is arranged on one side of the upper passage 62, the power supply connector 611 is arranged at the telescopic end of the adjustable telescopic support 612, and the power supply connector 611 is opposite to one side of the upper passage 62, and the power supply connector 611 is connected to the power supply device 5 through a wire, so that when the cable is placed on the upper passage 62, the adjustable telescopic support 612 on both sides of the upper passage 62 can be used to control the power supply connector 611 on both sides to approach and connect to the cable on both sides respectively, so that the current passes through the cable, the cable generates heat, and the outer insulation layer of the cable can form an internal and external double heating state.

[0045] As shown in the figure, Figure 5 The power supply connector 611 is a circular connector that fits the arc surface of the upper passage 62, when the cable is flat on the upper passage 62, the power supply connector 611 will approach the arc surface when it is close to the end of the cable, so that the power supply connector 611 at both ends forms an effect similar to clamping the cable from both sides, and the power supply connector 611 will closely fit the wire at the end of the cable, so that the cable, the power supply connector 611 and the power supply device 5 form an electrical path, thereby realizing the power-on heating of the cable.

[0046] Working principle: separate the upper box 2, lay the cable to be detected in the upper channel 62, at this time, the driving assembly 10 can be started, the arc-shaped lifting block 7, the corner lifting block 8 and the lifting simulation support block 9 are driven through the driving assembly 10 respectively to move up through the through slot, lift the cable, so that the cable forms a curved, bent and downward bending shape on the upper channel 62, simulates various shapes of current in the real use condition, and then locks the cable at both ends through the locking hoop, at this time, the power connection 611 is connected on both sides of the cable by adjusting the adjustable telescopic support 612, at this time, the power supply equipment 5 is started, the current flows through the cable through the power connection 611, forms the power supply use state, the upper box 2 is closed, the lower box 1 and the upper box 2 form a sealed space, at this time, the heating mechanism 3 and the pressurizing equipment 4 are started, the sealed space is heated and pressurized, the cable insulation layer is deformed under the heat stress in the power supply state of the cable, at this time, the heat stress deformation detection of the cable in the flat state can be completed through the side detection probe 11, in addition, the horizontal position of the deformation detection probe 1201 under the arc-shaped lifting block 7, the corner lifting block 8 and the lifting simulation support block 9 can be adjusted by starting the horizontal control 1301 to control the horizontal sliding of the sliding block 1302, and the deformation detection probe 1201 is started to move up through the long slot and contact the curved, bent and downward bending cable respectively, so as to detect the heat stress deformation data of the cable in the upward bending state, the upward bending state and the lifting downward bending state, in addition, two groups of control groups can be set during detection, one group is the cable in the power supply state but the heating mechanism 3 does not work, the heat data generated in the cable itself during work is obtained, the other group is in the power-off state, the heat stress deformation data of the cable itself in normal state is obtained by working the heating mechanism 3, which further enhances the accuracy of the data, and the heat stress deformation of the cable insulation layer is comprehensively evaluated combined with multiple detection data, and the heat stress deformation data of the cable in different forms is easily obtained.

[0047] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A cable insulation layer thermal stress deformation integrated detection machine, comprising a lower box body (1) and a separable upper box body (2), the upper box body (2) is provided with a heating mechanism (3) at the top end for heating, the lower box body (1) is provided with a pressurizing device (4) at the bottom end for pressurizing, and the lower box body (1) is provided with a power supply device (5) on both sides, characterized in that, Also include: The laying channel (6) is arranged in the inner side of the lower box (1), the laying channel (6) includes the upper channel (62) and the lower channel (63), the upper channel (62) is concave for laying cable and is provided with locking hoop at both ends, the lower channel (63) is attached to the bottom wall of the lower box (1); The upper channel (62) is provided with a through slot, and the cable locking head (61) connected to the power supply equipment (5) is arranged at both ends of the through slot; The form adjusting mechanism includes an arc-shaped jacking block (7) located below the through slot, a corner jacking block (8) and a lifting simulation supporting block (9), which are driven to lift by driving assemblies (10) respectively, and can invade the laying path of the upper channel (62) through the through slot to adjust the cable form, the top surface of the arc-shaped jacking block (7) is convex arc-shaped, used for making the cable in a curved state, the top end of the corner jacking block (8) is a sharp corner, used for making the cable in a bent state, the lifting simulation supporting block (9) is a concave block, used for lifting the two ends of the cable to make the middle part droop, simulating the lifting state, long slots are formed on the arc-shaped jacking block (7), the corner jacking block (8) and the lifting simulation supporting block (9); The detection probe system includes a side detection probe (11) and an adjustable detection probe (12), the side detection probe (11) is arranged on the side wall of the lower box (1) and faces the upper part of the laying channel (6) to detect the flat cable, the adjustable detection probe (12) is arranged below the form adjusting mechanism and is used for detecting the cable after form adjustment, the adjustable detection probe (12) includes a deformation detection probe (1201) and a jacking piece (1202) for driving the deformation detection probe (1201) to lift; The deformation detection probe (1201) contacts the cable through the long slot and independently detects the deformation of the insulating layer in the curved, bent and drooping states.

2. The cable insulation thermal stress deformation integrated detection machine according to claim 1, wherein, The upper channel (62) is provided with three through slots corresponding to the lifting paths of the arc-shaped jacking block (7), the corner jacking block (8) and the lifting simulation supporting block (9), and the driving assembly (10) is an electric push rod vertically arranged in the lower channel (63), so as to drive the arc-shaped jacking block (7), the corner jacking block (8) and the lifting simulation supporting block (9) to pass through the through slots and invade the laying path of the upper channel (62) to adjust the cable form.

3. The cable insulation thermal stress deformation integrated detection machine according to claim 1, wherein, The cable locking head (61) includes an adjustable telescopic support (612) and a power connection (611) arranged at the telescopic end thereof, the power connection (611) is a circular joint, which is attached to the arc surface of the upper channel (62) and is used for clamping the end of the cable and forming an electric path with the power supply equipment (5).

4. The cable insulation thermal stress deformation integrated detection machine according to claim 1, wherein, The adjustable detection probe (12) further comprises a horizontal control element (13) for driving the horizontal movement of the jacking element (1202), the horizontal control element (13) comprising a horizontal control knob (1301) and a sliding block (1302), the sliding block (1302) being slidably installed along the length direction of the lower channel (63), the horizontal control knob (1301) being arranged on the lower channel (63) and having an output end connected to the sliding block (1302) and driving the sliding block (1302) to slide, the jacking element (1202) being arranged on the sliding block (1302) so as to be controlled to slide by the horizontal control knob (1301) to adjust the horizontal position of the jacking element (1202) and the deformation detection probe (1201).

5. The cable insulation thermal stress deformation integrated detection machine according to claim 1, wherein, The side detection probe (11) is arranged on the side wall of the lower box (1) in multiple, the side detection probe (11) comprising a driving element (111) and a probe body (112), the driving element (111) penetrating through the side wall of the lower box (1), the probe body (112) being arranged on the output end of the driving element (111) to drive the probe body (112) to approach the laying path of the upper channel (62) by the driving element (111); Wherein, the plurality of side detection probes (11) are distributed between the arc jacking block (7), the corner jacking block (8) and the lifting simulation support block (9) at intervals, for detecting the flat laying section of the cable which is not affected by the shape adjusting mechanism.

6. The cable insulation thermal stress deformation integrated detection machine according to claim 1, wherein, The energized device (5) and the lower box (1) are provided with a partition and sealing rubber sleeve, and the partition and sealing rubber sleeve is shaped to fit the edge of the upper box (2), so as to ensure the edge sealing when the upper box (2) and the lower box (1) are combined to form a sealed cylindrical detection box.

Citation Information

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