CN215433291U - Bridge clamp for cable detection - Google Patents
Bridge clamp for cable detection Download PDFInfo
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- CN215433291U CN215433291U CN202120578599.2U CN202120578599U CN215433291U CN 215433291 U CN215433291 U CN 215433291U CN 202120578599 U CN202120578599 U CN 202120578599U CN 215433291 U CN215433291 U CN 215433291U
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- cable
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Abstract
The utility model discloses an electric bridge clamp for cable detection, which comprises a bottom plate, wherein a first supporting block is fixedly connected to the upper surface of the bottom plate, a winding wheel is movably connected to the interior of the first supporting block, a fixed block is fixedly connected to the upper surface of the bottom plate and positioned on the right side of the first supporting block, a plastic block is fixedly connected to the upper surface of the fixed block, a metal block is connected to the right surface of the plastic block in a threaded manner, a connecting hole is formed in the upper surface of the metal block, and a sliding groove is formed in the upper surface of the bottom plate and positioned on the right side of the first supporting block. According to the utility model, through designing the metal block and the plastic block, the purpose of improving the accuracy of the contact surface and the measurement accuracy is achieved, the diameter of the wire can be accurately calculated while the wire is ensured to be stretched, the measurement accuracy is improved, through designing the fixed block and the movable block, no tension force is generated between the metal block and the wire, the stress consistency of the whole wire is realized, and the detection accuracy is improved.
Description
Technical Field
The utility model relates to the technical field of bridge clamps, in particular to a bridge clamp for cable detection.
Background
The bridge clamp is an auxiliary tool for detecting resistance performance, current and voltage chucks are respectively arranged on the left and the right of a common auxiliary tool, resistance capacity is small, high current and voltage cannot be borne, and the service life of the bridge clamp is easily influenced. According to the GB/T3048 standard, direct current resistance measurement is required to be carried out on a metal conductor and a wire core of a wire cable in the production process of a metal conductor. The cable is characterized in that a conductive wire core in the cable is taken as a main part and plays a role in transmitting current, the direct current resistance of a conductor of the cable is one of important indexes for representing the electrical performance of the cable, therefore, the direct current resistance of the wire core needs to be measured in the cable production and manufacturing process, an instrument for measuring the direct current resistance of the wire core generally adopts a digital bridge, the wire core of the cable is fixed well through two clamps, the digital bridge is electrically connected with the clamps through a plurality of wires and is used for analyzing direct current resistance data, in order to ensure the rigidness of a measurement experiment, a plurality of lengths of different cable cores are generally selected for testing, the existing testing device does not have a length metering function, the distance between the two clamps needs to be adjusted by means of a measuring scale, namely, the selected cable core testing length is relatively troublesome to operate, certain human errors exist, and the testing experiment data are influenced.
For example, the electrical bridge clamp for the electric wire and cable introduced in CN201820182412.5, although the problem that the method for measuring the length of the conducting wire is relatively inaccurate and can bring large errors to the measurement of the resistance of the conducting wire is solved, the following defects still exist:
1. the existing bridge clamp for detecting the cable has the problem that a metal head moving in the middle can generate errors on the measurement of the device;
2. the diameter of the cable can be changed due to the fact that the existing bridge clamp for detecting the cable is too large in pulling force, and therefore the experimental result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an electric bridge clamp for cable detection.
In order to achieve the purpose, the utility model adopts the following technical scheme: an electric bridge clamp for cable detection comprises a bottom plate, wherein a first supporting block is fixedly connected to the upper surface of the bottom plate, a winding wheel is movably connected to the interior of the first supporting block, a fixed block is fixedly connected to the upper surface of the bottom plate and positioned on the right side of the first supporting block, a plastic block is fixedly connected to the upper surface of the fixed block, a metal block is in threaded connection with the right surface of the plastic block, and a connecting hole is formed in the upper surface of the metal block;
a sliding groove is formed in the upper surface of the bottom plate and located on the right side of the first supporting block, a ruler is fixedly connected to the upper surface of the bottom plate and located on the rear side of the sliding groove, a movable block is connected to the upper surface of the sliding groove in a sliding mode, a fixed rod is connected to the right surface of the movable block in a sliding mode, and an adjusting ring is connected to the outer surface of the movable block in a threaded mode;
the upper surface of the bottom plate is fixedly connected with a second supporting block on the right side of the sliding groove, the left surface of the second supporting block is fixedly connected with a sleeve, and a tension sensor is fixedly connected inside the sleeve.
As a further description of the above technical solution:
the outer surface fixed connection of take-up reel has the stopper, the internal surface of stopper and the surface meshing of first supporting block.
As a further description of the above technical solution:
the number of the plastic blocks is two, and the plastic block on the right side is fixedly connected with the movable block.
As a further description of the above technical solution:
the lower surface of the fixed rod is in contact with the sliding groove, and the lower surface of the adjusting ring is in contact with the fixed rod.
As a further description of the above technical solution:
the left surface of the tension sensor is fixedly connected with a rope, and one end, far away from the tension sensor, of the rope is fixedly connected with a clamp.
As a further description of the above technical solution:
and the outer surface of the clamp is in threaded connection with a nut.
As a further description of the above technical solution:
and the outer surface of the winding wheel is fixedly connected with a lead, and the lead penetrates through the metal block and the plastic block and is fixedly connected with the clamp.
As a further description of the above technical solution:
the clamp, the winding wheel and the two metal blocks are positioned on the same straight line.
The utility model has the following beneficial effects:
1. compared with the prior art, the electric bridge clamp for cable detection realizes the improvement of the accuracy of the contact surface and achieves the purpose of improving the accuracy of measurement by designing the metal block and the plastic block.
2. Compared with the prior art, the electric bridge clamp for cable detection can accurately calculate the diameter of the wire while ensuring the wire to be stretched by designing the tension sensor, so that the purpose of improving the accuracy of measurement is achieved.
3. Compared with the prior art, this cable detects uses electric bridge anchor clamps through design fixed block and movable block, realizes not having the pulling force between metal block and the wire, realizes that whole wire atress is unanimous, reaches the purpose that improves the accuracy of detecting.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a bridge clamp for cable detection according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a top view of a bridge clamp for cable inspection according to the present invention;
fig. 4 is a schematic view of an overall structure of a bridge clamp for cable detection according to the present invention.
Illustration of the drawings:
1. a base plate; 2. a fixed block; 3. a first support block; 4. a limiting block; 5. a winding wheel; 6. a wire; 7. a ruler; 8. fixing the rod; 9. adjusting the ring; 10. a metal block; 11. connecting holes; 12. a movable block; 13. a nut; 14. a clip; 15. a sleeve; 16. a second support block; 17. a tension sensor; 18. A chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present invention provides an electrical bridge fixture for cable inspection, comprising: the measuring device comprises a bottom plate 1, wherein a first supporting block 3 is fixedly connected to the upper surface of the bottom plate 1, a winding wheel 5 is movably connected to the inner part of the first supporting block 3, limiting blocks 4 are fixedly connected to the outer surface of the winding wheel 5, the inner surface of each limiting block 4 is meshed with the outer surface of the first supporting block 3, a fixed block 2 is fixedly connected to the upper surface of the bottom plate 1 and positioned on the right side of the first supporting block 3, two plastic blocks are fixedly connected to the upper surface of the fixed block 2, the right plastic blocks are fixedly connected with a movable block 12, a metal block 10 is in threaded connection with the right surface of each plastic block, the metal block 10 is used for conducting electricity, a connecting hole 11 is formed in the upper surface of the metal block 10, and the connecting hole 11 is used for fixing a probe of a measuring device;
a sliding groove 18 is formed in the upper surface of the bottom plate 1 and located on the right side of the first supporting block 3, the lower surface of the fixed rod 8 is in contact with the sliding groove 18, the lower surface of the adjusting ring 9 is in contact with the fixed rod 8, a ruler 7 is fixedly connected to the upper surface of the bottom plate 1 and located on the rear side of the sliding groove 18, the upper surface of the sliding groove 18 is in sliding connection with the movable block 12, the right surface of the movable block 12 is in sliding connection with the fixed rod 8, and the outer surface of the movable block 12 is in threaded connection with the adjusting ring 9;
The working principle is as follows: carry out fixed connection with the one end and the clip 14 of wire 6, the other end and the take-up pulley 5 of wire 6 carry out fixed connection, through rotating take-up pulley 5 with wire 6 fixed to appointed pulling force, move stopper 4 downwards, prevent that take-up pulley 5 is not hard up, observe tension sensor 17's registration, can calculate the diameter of wire 6 under this pulling force, thereby be convenient for calculate the influence value that resistance received the diameter, adjust the position of movable block 12, and carry out the reading through ruler 7, acquire the length value, measure after being connected measuring probe and connecting hole 11.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a cable detects uses electric bridge anchor clamps, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a first supporting block (3), the interior of the first supporting block (3) is movably connected with a winding wheel (5), the upper surface of the bottom plate (1) is fixedly connected with a fixed block (2) on the right side of the first supporting block (3), the upper surface of the fixed block (2) is fixedly connected with a plastic block, the right surface of the plastic block is in threaded connection with a metal block (10), and the upper surface of the metal block (10) is provided with a connecting hole (11);
a sliding groove (18) is formed in the upper surface of the bottom plate (1) and located on the right side of the first supporting block (3), a ruler (7) is fixedly connected to the upper surface of the bottom plate (1) and located on the rear side of the sliding groove (18), a movable block (12) is connected to the upper surface of the sliding groove (18) in a sliding mode, a fixed rod (8) is connected to the right surface of the movable block (12) in a sliding mode, and an adjusting ring (9) is connected to the outer surface of the movable block (12) in a threaded mode;
the upper surface of the bottom plate (1) is fixedly connected with a second supporting block (16) on the right side of the sliding groove (18), the left surface of the second supporting block (16) is fixedly connected with a sleeve (15), and a tension sensor (17) is fixedly connected inside the sleeve (15).
2. The bridge clamp for cable detection according to claim 1, wherein: the outer surface fixed connection of take-up reel (5) has stopper (4), the internal surface of stopper (4) and the surface engagement of first supporting block (3).
3. The bridge clamp for cable detection according to claim 1, wherein: the number of the plastic blocks is two, and the plastic block on the right side is fixedly connected with the movable block (12).
4. The bridge clamp for cable detection according to claim 1, wherein: the lower surface of the fixing rod (8) is in contact with the sliding groove (18), and the lower surface of the adjusting ring (9) is in contact with the fixing rod (8).
5. The bridge clamp for cable detection according to claim 1, wherein: the left surface of the tension sensor (17) is fixedly connected with a rope, and one end, far away from the tension sensor (17), of the rope is fixedly connected with a clamp (14).
6. The bridge clamp for cable inspection according to claim 5, wherein: the outer surface of the clamp (14) is in threaded connection with a nut (13).
7. The bridge clamp for cable detection according to claim 1, wherein: the outer surface of the winding wheel (5) is fixedly connected with a lead (6), and the lead (6) penetrates through the metal block (10) and the plastic block and is fixedly connected with the clamp (14).
8. The bridge clamp for cable inspection according to claim 5, wherein: the clamp (14), the winding wheel (5) and the two metal blocks (10) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578599.2U CN215433291U (en) | 2021-03-22 | 2021-03-22 | Bridge clamp for cable detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578599.2U CN215433291U (en) | 2021-03-22 | 2021-03-22 | Bridge clamp for cable detection |
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| Publication Number | Publication Date |
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| CN215433291U true CN215433291U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120578599.2U Active CN215433291U (en) | 2021-03-22 | 2021-03-22 | Bridge clamp for cable detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116125140A (en) * | 2023-04-14 | 2023-05-16 | 易润线缆有限公司 | Resistance value test equipment for cable on-line production |
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2021
- 2021-03-22 CN CN202120578599.2U patent/CN215433291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116125140A (en) * | 2023-04-14 | 2023-05-16 | 易润线缆有限公司 | Resistance value test equipment for cable on-line production |
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