CN214472472U - Cold resistance testing device of power cable - Google Patents
Cold resistance testing device of power cable Download PDFInfo
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- CN214472472U CN214472472U CN202023222587.0U CN202023222587U CN214472472U CN 214472472 U CN214472472 U CN 214472472U CN 202023222587 U CN202023222587 U CN 202023222587U CN 214472472 U CN214472472 U CN 214472472U
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- refrigerator
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Abstract
The utility model discloses a cold resistance verifying attachment of power cable, including detection case and refrigerator, detection case one side is provided with the refrigerator, and the refrigerator is connected with the cold air duct, and the inside rear wall left and right sides of detection case is provided with two rolling bearings, and the rolling bearing internal rotation is connected with the installation pivot, installs the initiative carousel in the installation pivot of left part, installs passive carousel in the installation pivot of right part; a plurality of groups of rotating assemblies are arranged above the middle part between the two groups of rotating bearings, and ratchet rollers are arranged on the front sides of the rotating assemblies; a cable is coiled in the driven turntable, and the other end of the cable is fixed in the driving turntable by bypassing the ratchet roller; a support frame is arranged at the rear side of the detection box, a motor is arranged on the support frame, and the motor is rotationally connected with a mounting rotating shaft corresponding to the driving turntable; the utility model discloses simple structure, reasonable in design can detect the structural strength of cable under the different temperatures, simulates the condition of buckling of different degrees, makes the detection of cold resistance more comprehensive.
Description
Technical Field
The utility model belongs to the technical field of the cable detects, in particular to power cable's cold resistance verifying attachment.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater; china's native spanes 50 latitudes, the north-south difference in temperature is great, when power cable uses in the northern area, general time can be in low temperature operating condition every year, and the embrittlement phenomenon can appear under the low temperature state in the cable line skin of rubber materials preparation, if power cable cold resistance is not enough, the problem of damaged electric leakage can appear when receiving the collision in the line skin after the embrittlement, not only waste the energy and take place danger easily, it detects to be necessary to carry out cold resistance to the cable, current cold resistance monitoring flow is mostly after putting into low temperature environment with the cable wholly, it detects its embrittlement limit to buckle repeatedly, but this kind of detection method is difficult to simulate out the effect that sharp object collided, in order to solve this problem, the utility model provides a power cable's cold resistance verifying attachment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable's cold resistance verifying attachment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a device for testing cold resistance of a power cable comprises a detection box and a refrigerator, wherein the refrigerator is arranged on one side of the detection box, a control panel is arranged on the refrigerator, the refrigerator is connected with a cold air pipe, and the cold air pipe is arranged on the bottom side in the detection box; the left and right parts of the rear wall in the detection box are provided with two rotating bearings, the rotating bearings are rotatably connected with an installation rotating shaft, the installation rotating shaft at the left part is provided with an active turntable, and the installation rotating shaft at the right part is provided with a passive turntable; a plurality of groups of rotating assemblies are arranged above the middle part between the two groups of rotating bearings, and ratchet rollers are arranged on the front sides of the rotating assemblies; a cable is coiled in the passive turntable, and the other end of the cable is fixed in the active turntable by bypassing the ratchet roller; a first infrared temperature probe is arranged on the side wall of the detection box corresponding to the active turntable, and a second infrared temperature probe is arranged on the side wall of the detection box corresponding to the passive turntable; a support frame is arranged on the rear side of the detection box, a motor is mounted on the support frame, and the motor is rotationally connected with a mounting rotating shaft corresponding to the driving turntable; and a sealing door is arranged on the front side of the detection box.
Preferably, the control panel is provided with a display screen and control keys.
Preferably, the rotating assembly is provided with three groups, the corresponding ratchet rollers are provided with three groups, and the rotating assembly comprises fixed bearings arranged on the front side and the rear side of the rear wall of the detection box and a rotating shaft penetrating through the bearings.
Preferably, a buckle matched with the cable is arranged in the driving turntable.
Preferably, the sealing door is provided with a visual window, and the visual window is made of glass materials or transparent acrylic materials.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses simple structure, reasonable in design, the inside infrared temperature probe that is provided with of detection case cooperates the refrigerator, can detect the structural strength of cable under the different temperatures, the utility model discloses be provided with multiunit ratchet roller, not only can realize the detection of simulating sharp-pointed object collision to the power cable when carrying out the detection of buckling, can select the quantity that the cable bypasses the ratchet roller moreover, simulate the bending condition of different degrees, make the detection of cold resistance more comprehensive; the utility model discloses once detect the completion back, can pull down initiative carousel and passive carousel, change the cable conductor that a set of needs detected down, convenient and fast improves detection efficiency, practices thrift check-out time.
Drawings
Fig. 1 is a schematic front view of the cross-section of the present invention.
Fig. 2 is a schematic side view of the cross section of the present invention.
In the figure: 1. the device comprises a detection box, 2, a refrigerator, 3, a control panel, 4, a cold air pipe, 5, an active turntable, 6, a passive turntable, 7, a cable, 8, a ratchet roller, 9, a first infrared temperature probe, 10, a second infrared temperature probe, 11, a sealing door, 12, a visible window, 13, a motor, 14, a bracket, 15, a rotating bearing, 16, an installation rotating shaft, 17 and a rotating assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment provides a device for testing cold resistance of a power cable, including a detection box 1 and a refrigerator 2, wherein one side of the detection box 1 is provided with the refrigerator 2, the refrigerator 2 is provided with a control panel 3, the refrigerator 2 is connected to a cold air pipe 4, and the cold air pipe 4 is disposed at a bottom side inside the detection box 1; two rotating bearings 15 are arranged on the left and right parts of the rear wall in the detection box 1, an installation rotating shaft 16 is rotatably connected in each rotating bearing 15, an active turntable 5 is installed on the installation rotating shaft 16 on the left part, and a passive turntable 6 is installed on the installation rotating shaft 16 on the right part; a plurality of groups of rotating assemblies 17 are arranged above the middle part between the two groups of rotating bearings 16, and a ratchet roller 8 is arranged on the front side of each rotating assembly 17; a cable 7 is coiled in the passive turntable 6, and the other end of the cable 7 is coiled around the ratchet roller 8 and fixed in the active turntable 5; a first infrared temperature probe 9 is arranged on the side wall of the detection box 1 corresponding to the active turntable 5, and a second infrared temperature probe 10 is arranged on the side wall of the detection box 1 corresponding to the passive turntable 6; a supporting frame 14 is arranged at the rear side of the detection box 1, a motor 13 is mounted on the supporting frame 14, and the motor 13 is rotatably connected with a mounting rotating shaft 16 corresponding to the driving turntable 5; the front side of the detection box 1 is provided with a sealing door 11.
In order to facilitate the setting of the temperature inside the detection box 1 by the operator, in this embodiment, a display screen and a control key are arranged on the control panel 3.
In order to simulate various bending states and facilitate detection, in this embodiment, the rotating assembly 17 is provided with three sets, the corresponding ratchet rollers 8 are provided with three sets, and the rotating assembly 17 includes fixed bearings arranged on the front and rear sides of the rear wall of the detection box 1 and a rotating shaft penetrating through the bearings.
In order to facilitate the driving turntable 5 to pull the cable 7 to rotate, in this embodiment, a buckle matched with the cable 7 is provided in the driving turntable 5.
In order to facilitate the operators to observe the internal condition of the detection box 1 in time, in this embodiment, the sealing door 11 is provided with a visual window 12, and the visual window 12 is made of glass material or transparent acrylic material.
The utility model discloses a theory of operation: when the utility model is used, the cable 7 to be detected is coiled on the passive turntable 6, then the passive turntable 6 and the active turntable 5 are arranged on the corresponding installation rotating shaft 16, the cable 7 bypasses the ratchet roller 8 and is arranged on the buckle of the active turntable 5, the quantity bypassing the ratchet roller 8 can be selected according to the actual detection requirement, the sealing door 11 is closed after the installation, and the refrigerator 2 is opened for cooling, the utility model discloses a detection box 1 is internally provided with a first infrared temperature probe 9 and a second infrared temperature probe 10, the temperature of the cable 7 on the active turntable 5 and the passive turntable 6 can be monitored in real time, when the temperature in the detection box 1 reaches the detection requirement, the motor 13 is started, the motor 13 drives the active turntable 5 to rotate, and then drives the cable 7 to rotate, and the cable 7 can be bent when bypassing the ratchet roller 8, thereby realizing the bending detection of the cable 7, the sharp pricks on the ratchet roller 8 can simulate the condition that the cable 7 is impacted by a sharp object under the condition of low temperature, and the cable 7 is subjected to more comprehensive cold resistance detection; after a group of cables 7 are detected, the sealing door 11 is opened, the active turntable 5 and the passive turntable 6 are taken down, the cables 7 on the active turntable 5 are taken down for further detection or recording, the next group of cables 7 to be tested are wound on the passive turntable 6, and the next detection can be performed after the winding is completed, so that the detection is convenient and fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a power cable's cold resistance verifying attachment, includes detection case and refrigerator, its characterized in that: a refrigerator is arranged on one side of the detection box, a control panel is arranged on the refrigerator, the refrigerator is connected with a cold air pipe, and the cold air pipe is arranged on the bottom side in the detection box; the left and right parts of the rear wall in the detection box are provided with two rotating bearings, the rotating bearings are rotatably connected with an installation rotating shaft, the installation rotating shaft at the left part is provided with an active turntable, and the installation rotating shaft at the right part is provided with a passive turntable; a plurality of groups of rotating assemblies are arranged above the middle part between the two groups of rotating bearings, and ratchet rollers are arranged on the front sides of the rotating assemblies; a cable is coiled in the passive turntable, and the other end of the cable is fixed in the active turntable by bypassing the ratchet roller; a first infrared temperature probe is arranged on the side wall of the detection box corresponding to the active turntable, and a second infrared temperature probe is arranged on the side wall of the detection box corresponding to the passive turntable; a support frame is arranged on the rear side of the detection box, a motor is mounted on the support frame, and the motor is rotationally connected with a mounting rotating shaft corresponding to the driving turntable; and a sealing door is arranged on the front side of the detection box.
2. The cold resistance test device for power cables according to claim 1, characterized in that: and the control panel is provided with a display screen and control keys.
3. The cold resistance test device for power cables according to claim 1, characterized in that: the rotating assembly is provided with three groups, the corresponding ratchet rollers are provided with three groups, and the rotating assembly comprises fixed bearings arranged on the front side and the rear side of the rear wall of the detection box and a rotating shaft penetrating through the bearings.
4. The cold resistance test device for power cables according to claim 1, characterized in that: and a buckle matched with the cable is arranged in the driving turntable.
5. The cold resistance test device for power cables according to claim 1, characterized in that: the sealing door is provided with a visual window, and the visual window is made of glass materials or transparent acrylic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023222587.0U CN214472472U (en) | 2020-12-29 | 2020-12-29 | Cold resistance testing device of power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023222587.0U CN214472472U (en) | 2020-12-29 | 2020-12-29 | Cold resistance testing device of power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214472472U true CN214472472U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023222587.0U Active CN214472472U (en) | 2020-12-29 | 2020-12-29 | Cold resistance testing device of power cable |
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| Country | Link |
|---|---|
| CN (1) | CN214472472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267274A (en) * | 2022-09-27 | 2022-11-01 | 南通晶巨锠机械有限公司 | Cable detection device |
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2020
- 2020-12-29 CN CN202023222587.0U patent/CN214472472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267274A (en) * | 2022-09-27 | 2022-11-01 | 南通晶巨锠机械有限公司 | Cable detection device |
| CN115267274B (en) * | 2022-09-27 | 2022-12-20 | 南通晶巨锠机械有限公司 | Cable detection device |
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