CN220455387U - Wire and cable conductor resistance testing device - Google Patents
Wire and cable conductor resistance testing device Download PDFInfo
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- CN220455387U CN220455387U CN202321966861.6U CN202321966861U CN220455387U CN 220455387 U CN220455387 U CN 220455387U CN 202321966861 U CN202321966861 U CN 202321966861U CN 220455387 U CN220455387 U CN 220455387U
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000004020 conductor Substances 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
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- 206010000369 Accident Diseases 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model provides a wire and cable conductor resistance testing device, which comprises a base and an upper cover, wherein the base is provided with a stretching mechanism and a fastening mechanism, the fastening mechanism is used for fixing the cable, and the stretching mechanism is used for stretching the cable; the stretching mechanism is provided with a stretching motor, and the base is provided with a power supply for supplying power to the stretching mechanism. The utility model reduces the influence of the air conditioner on the wire and cable conductor resistance testing process, the temperature fluctuation amplitude in the test process is reduced, so that the test result is more accurate.
Description
Technical Field
The utility model belongs to the field of resistance measurement, and particularly relates to a wire and cable conductor resistance testing device.
Background
In the use process of the electric wire and the cable, if the direct current resistance of the conductor exceeds the technical parameters of the national standard, the loss of the electric wire and the cable is increased when the current passes through the conductor, the current-carrying capacity is reduced, and the heating of the electric wire and the cable is increased. The insulation and sheath materials coated outside the conductor are accelerated to age, so that the phenomena of electric leakage, short circuit and the like of a power supply line are caused when serious, even fire accidents are caused, serious losses are caused for all parties, and life safety of people is endangered. And the influence of the ambient temperature on the test result is very large in the conductor resistance test process. In the testing process, the constant temperature adjustment is mainly carried out by an air conditioner, and the temperature has certain fluctuation, so that the conductor resistance has larger deviation when the temperature is 20 ℃ calculated finally;
moreover, if the stress is uneven when the cable conductor is clamped in the measuring process, the cable at the stressed position is easy to squeeze and deform, so that the test data is inaccurate, and the risk of electric leakage is also possible, thereby causing injury to detection personnel.
Disclosure of Invention
In view of the above, the utility model aims to provide a wire and cable conductor resistance testing device, which reduces the influence of an air conditioner on a wire and cable conductor resistance testing process, reduces the temperature fluctuation range of the testing process and ensures that the testing result is more accurate.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the wire and cable conductor resistance testing device comprises a base and an upper cover, wherein the base is provided with a stretching mechanism and a fastening mechanism, the fastening mechanism is used for fixing a cable, and the stretching mechanism is used for stretching the cable; the stretching mechanism is provided with a motor, and the base is provided with a power supply for supplying power to the stretching mechanism.
Further, the stretching mechanism comprises a stretching motor, a stretching screw rod, a guide rod, a first moving plate and a second moving plate, wherein the stretching motor is arranged in the middle of the upper surface of the base, two fixed plates are respectively arranged at two ends of the upper surface of the base, two guide rods are respectively arranged at two ends of the two fixed plates and the stretching motor, and the stretching screw rod is also arranged at two ends of the two fixed plates and the stretching motor; the stretching screw rod is connected to the output end of the stretching motor; the first moving plate and the second moving plate are connected with the stretching screw rod through guide rods, and the first moving plate and the second moving plate are respectively arranged on two sides of the stretching motor.
Further, the first moving plate and the second moving plate are respectively provided with threads matched with the stretched screw rod.
Furthermore, a fastening mechanism is arranged on the first moving plate and the second moving plate.
Further, the fastening mechanism comprises a first fastening clamp, a second fastening clamp and a fastening bolt, two fastening sliding rails which are arranged in parallel are arranged on the upper surface of the first moving plate, the bottoms of the first fastening clamp and the second fastening clamp are in sliding connection with the fastening sliding rails, and the fastening bolt penetrates through the first fastening clamp and the second fastening clamp and is connected with the fastening nut.
Further, the inner sides of the first fastening clamp and the second fastening clamp are in a saw-tooth shape.
Further, a button for controlling the stretching motor is arranged on the base.
Further, the edge of the base is provided with a step structure, and the step structure is matched with the size of the upper cover.
Further, a test bridge is arranged in the upper cover.
Further, the upper cover is also provided with a placing groove for placing a mercury thermometer.
Compared with the prior art, the wire and cable conductor resistance testing device has the following advantages:
(1) The electric wire and cable conductor resistance testing device reduces the influence of an air conditioner on the electric wire and cable conductor resistance testing process, reduces the temperature fluctuation range in the testing process, and enables the testing result to be more accurate.
(2) According to the wire and cable conductor resistance testing device, the stretching mechanism is arranged, so that the cable is straightened, and the motor is used for operation, so that labor is saved, and the operation is more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a device for testing resistance of a wire and cable conductor according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a wire and cable conductor resistance testing device with an upper cover removed according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an upper cover according to an embodiment of the present utility model;
FIG. 4 is a side view of a fastening mechanism according to an embodiment of the present utility model;
fig. 5 is a side view of a first clip according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a base; 2. an upper cover; 3. a stretching mechanism; 31. stretching the motor; 32. stretching the lead screw; 33. a guide rod; 34. a first moving plate; 35. a second moving plate; 36. a fixing plate; 4. a fastening mechanism; 41. a first fastening clip; 42. a second fastening clip; 43. a fastening bolt; 44. and fastening the sliding rail.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The electric wire and cable conductor resistance testing device comprises a base 1 and an upper cover 2, wherein the base 1 is provided with a stretching mechanism 3 and a fastening mechanism 4, the fastening mechanism 4 is used for fixing a cable, and the stretching mechanism is used for stretching the cable; the stretching mechanism is provided with a stretching motor 31, and the base 1 is provided with a power supply for supplying power to the stretching mechanism.
Preferably, the stretching mechanism 3 includes a stretching motor, a stretching screw 32, a guide rod 33, a first moving plate 34 and a second moving plate 35, the stretching motor 31 is disposed in the middle of the upper surface of the base 1, two fixing plates 36 are respectively disposed at two ends of the upper surface of the base 1, two guide rods 33 are disposed at two ends of the two fixing plates 36 and the stretching motor 31, and the stretching screw 32 is disposed at two ends of the two fixing plates 36 and the stretching motor 31; the stretching screw 32 is connected to the output end of the stretching motor; the first moving plate 34 and the second moving plate 35 are connected with the stretching screw 32 through the guide rod 33, and the first moving plate 34 and the second moving plate 35 are respectively arranged on two sides of the stretching motor 31.
The motor works to drive the first moving plate 34 and the second moving plate 35 to move to two sides, so that the cable is stretched,
Preferably, the first moving plate 34 and the second moving plate 35 are both provided with threads matching the stretched screw 32.
Preferably, the first moving plate 34 and the second moving plate 35 are provided with a fastening mechanism 4.
Preferably, the fastening mechanism 4 includes a first fastening clip 41, a second fastening clip 42, and a fastening bolt 43, two fastening sliding rails 44 disposed in parallel are disposed on the upper surface of the first moving plate 34, bottoms of the first fastening clip 41 and the second fastening clip 42 are slidably connected with the fastening sliding rails 44, and the fastening bolt 43 passes through the first fastening clip 41 and the second fastening clip 42 and is connected with a fastening nut.
The fastening slide rail 44 is of a T-shaped structure, and the first fastening clamp 41 or the second fastening clamp 42 is matched with the structure of the fastening slide rail 44, so that the limit is realized, and the falling off is avoided; meanwhile, limiting structures are arranged at two ends of the fastening sliding rail 44, so that the fastening sliding rail 44 is prevented from falling off.
Preferably, the inner sides of the first fastening clip 41 and the second fastening clip 42 are serrated, so that the first fastening clip 41 and the second fastening clip can clamp the cable more favorably and avoid falling off.
Preferably, the base 1 is provided with a button for controlling the stretching motor 31.
Preferably, the edge of the base 1 is provided with a step structure, and the step structure is matched with the size of the upper cover 2, so that the upper cover 2 can be assembled with the base 1 more closely, and the portable multifunctional portable electric power device is convenient to store.
Preferably, the test bridge is provided inside the upper case 2.
Preferably, the upper cover 2 is further provided with a placing groove for placing a mercury thermometer and monitoring the temperature in real time.
The working principle is that a cable is placed on the two-end fastening mechanisms 4, then the fastening nuts are rotated through a jig such as a wrench, the first fastening clamp 41 and the second fastening clamp 42 clamp the cable, then the button is pressed to control the fastening motor to work, the fastening motor drives the first moving plate 34 and the second moving plate 35 to move in opposite directions, the cable is stretched straight, then the fastening motor is closed, and the cable resistance is tested.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. Wire and cable conductor resistance testing arrangement, its characterized in that: the cable stretching device comprises a base and an upper cover, wherein a stretching mechanism and a fastening mechanism are arranged on the base, the fastening mechanism is used for fixing cables, and the stretching mechanism is used for stretching the cables; the stretching mechanism is provided with a stretching motor, and the base is provided with a power supply for supplying power to the stretching mechanism;
the stretching mechanism comprises a stretching motor, a stretching screw rod, guide rods, a first moving plate and a second moving plate, wherein the stretching motor is arranged in the middle of the upper surface of the base, two fixed plates are respectively arranged at two ends of the upper surface of the base, two guide rods are respectively arranged at two ends of the two fixed plates and the stretching motor, and the stretching screw rods are also arranged at two ends of the two fixed plates and the stretching motor; the stretching screw rod is connected to the output end of the stretching motor; the first moving plate and the second moving plate are connected with the stretching screw rod through guide rods, and the first moving plate and the second moving plate are respectively arranged on two sides of the stretching motor.
2. The wire and cable conductor resistance testing device of claim 1, wherein: the first moving plate and the second moving plate are respectively provided with threads matched with the stretching screw rod.
3. The wire and cable conductor resistance testing device of claim 1, wherein: and the first moving plate and the second moving plate are respectively provided with a fastening mechanism.
4. A wire and cable conductor resistance test apparatus as claimed in claim 3 wherein: the fastening mechanism comprises a first fastening clamp, a second fastening clamp and a fastening bolt, wherein two fastening sliding rails which are arranged in parallel are arranged on the upper surface of the first moving plate, the bottoms of the first fastening clamp and the second fastening clamp are in sliding connection with the fastening sliding rails, and the fastening bolt penetrates through the first fastening clamp and the second fastening clamp and is connected with a fastening nut.
5. The wire and cable conductor resistance testing device of claim 4 wherein: the inner sides of the first fastening clamp and the second fastening clamp are in a saw-tooth shape.
6. The wire and cable conductor resistance testing device of claim 1, wherein: the base is provided with a button for controlling the stretching motor.
7. The wire and cable conductor resistance testing device of claim 1, wherein: the edge of the base is provided with a step structure which is matched with the size of the upper cover.
8. The wire and cable conductor resistance testing device of claim 1, wherein: the test bridge is arranged in the upper cover.
9. The wire and cable conductor resistance testing device of claim 1, wherein: the upper cover is also provided with a placing groove for placing a mercury thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966861.6U CN220455387U (en) | 2023-07-25 | 2023-07-25 | Wire and cable conductor resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966861.6U CN220455387U (en) | 2023-07-25 | 2023-07-25 | Wire and cable conductor resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220455387U true CN220455387U (en) | 2024-02-06 |
Family
ID=89726369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321966861.6U Active CN220455387U (en) | 2023-07-25 | 2023-07-25 | Wire and cable conductor resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220455387U (en) |
-
2023
- 2023-07-25 CN CN202321966861.6U patent/CN220455387U/en active Active
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