CN216098469U - Copper pipe resistance measuring clamp - Google Patents
Copper pipe resistance measuring clamp Download PDFInfo
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- CN216098469U CN216098469U CN202121638712.8U CN202121638712U CN216098469U CN 216098469 U CN216098469 U CN 216098469U CN 202121638712 U CN202121638712 U CN 202121638712U CN 216098469 U CN216098469 U CN 216098469U
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- copper pipe
- jaw chuck
- copper
- pressing block
- resistance measuring
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Abstract
The utility model relates to the technical field of copper pipe detection, in particular to a copper pipe resistance measuring clamp. The three-jaw chuck of the fixing part is matched with the adjustable power supply device, so that the circular truncated cone-shaped conductor is pushed into the copper pipe after being fixed by the three-jaw chuck, the uniform power supply to the copper pipe is realized, the circular truncated cone-shaped conductor also meets the requirements of copper pipes with different sizes, and the problem of large measurement error caused by uneven power supply is solved; the cooperation of the three-jaw chuck provided with the base and the pressing block is adopted, so that the three-jaw chuck provided with the pressing block is adjusted to be at a proper distance from the conductor through sliding the three-jaw chuck along the limiting column, then the voltage of the copper pipe is measured through the pressing block on the three-jaw chuck, and the uniform and stable contact between the pressing block and the copper pipe is ensured through the inclined plane on the pressing block and the spring between the pressing block and the base.
Description
Technical Field
The utility model relates to the technical field of copper pipe detection, in particular to a copper pipe resistance measuring clamp.
Background
When the resistance of the copper pipe needs to be detected, the resistance value of the copper pipe is generally obtained by introducing current to the copper pipe and measuring the voltage between two end parts of the copper pipe, but in the process, firstly, because the copper pipe is of a hollow structure, if the current is introduced to the outer wall of one side of the copper pipe, the resistance value finally measured and calculated is easy to have larger deviation because of the annular structure of the copper pipe, and when the voltage of the copper pipe is measured, the voltage directly connected to the side of the outer side wall of the copper pipe is easy to have larger error, so that the resistance data is inaccurate; and when the copper pipe is measured, the distance between the position where the current is introduced and the position where the voltage is measured needs to be kept to be larger than 1.5 times of the perimeter of the outer wall of the copper pipe, so that the measured data can be ensured to be accurate, and the position where the voltage is measured needs to be flexibly set to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the technical defects, and provide a copper pipe resistance measuring clamp, wherein a three-jaw chuck of a fixing part is matched with an adjustable power supply device, so that a round table-shaped conductor is pushed into a copper pipe after being fixed by the three-jaw chuck, the copper pipe is uniformly supplied with power, the round table-shaped conductor also meets the requirements of copper pipes with different sizes, and the problem of larger measuring error caused by uneven power supply is solved; the cooperation of the three-jaw chuck provided with the base and the pressing block is adopted, so that the three-jaw chuck provided with the pressing block is adjusted to be at a proper distance from the conductor through sliding the three-jaw chuck along the limiting column, then the voltage of the copper pipe is measured through the pressing block on the three-jaw chuck, and the uniform and stable contact between the pressing block and the copper pipe is ensured through the inclined plane on the pressing block and the spring between the pressing block and the base.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the resistance measuring device comprises fixing parts which are arranged at two end parts of a copper pipe and used for fixing and a measuring part used for measuring the resistance of the copper pipe; the fixing part comprises a three-jaw chuck which is arranged on the outer side of the copper pipe and is used for clamping the copper pipe from the outer side; the copper pipe is also provided with a limiting column which is connected with the three-jaw chuck in a sliding way and is arranged along the length direction of the copper pipe and used for adjusting the position of the three-jaw chuck; the measuring part comprises an adjustable power supply device which is arranged at the end part of the copper pipe and is connected with the limiting column in a sliding way; and a voltage measuring device provided on one of the three-jaw chucks.
Further optimizing the technical scheme, the adjustable power supply device comprises a sliding table in sliding connection with the limiting column; and the electrified conductor is arranged in the middle of one side of the sliding table, which is close to the copper pipe; and a screw rod connected with the other side of the sliding table through a rotating shaft.
Further optimize this technical scheme, be provided with the insulating piece between circular telegram conductor and the sliding stand.
Further optimize this technical scheme, circular truncated cone form copper conductor that circular truncated cone form copper conductor is close to copper pipe one side and is less than close to the sliding stand one side for the circular telegram conductor.
Further optimizing the technical scheme, the voltage measuring device comprises a base arranged on the upper side of the telescopic end of the three-jaw chuck; the copper pressing block is arranged on the base and close to the side of the copper pipe; the plurality of pressing blocks are connected through a wire.
Further optimize this technical scheme, be provided with the insulation board between the flexible end of base and three-jaw chuck.
Further optimize this technical scheme, pass through spring coupling between briquetting and the base.
Further optimize this technical scheme, the briquetting is provided with the inclined plane near the copper pipe tip.
Further optimizing the technical scheme, the plurality of limiting columns are provided with threaded holes in the side, away from the copper pipe, of the sliding table in a connecting manner; the screw rod is in threaded connection with the threaded hole.
Further optimize this technical scheme, the screw rod is kept away from sliding stand one end and is provided with the turning handle.
Compared with the prior art, the utility model has the following advantages: 1. the three-jaw chuck of the fixing part is matched with the adjustable power supply device, so that the structure is favorable for ensuring that the circular truncated cone-shaped conductor is pushed into the copper pipe after being fixed by the three-jaw chuck, so that the uniform power supply to the copper pipe is realized, and the circular truncated cone-shaped conductor also meets the requirements of copper pipes with different sizes; 2. the three-jaw chuck provided with the base is matched with the pressing block, the structure is favorable for ensuring that the three-jaw chuck provided with the pressing block is adjusted to be at a proper distance from the conductor by sliding the three-jaw chuck along the limiting column, then the voltage of the copper pipe is measured by the pressing block on the three-jaw chuck, and the uniform and stable contact between the pressing block and the copper pipe is ensured by the inclined plane on the pressing block and the spring between the pressing block and the base.
Drawings
Fig. 1 is a schematic view of the overall structure of a copper pipe resistance measuring clamp.
Fig. 2 is a schematic structural diagram of a sliding table of a copper pipe resistance measuring clamp.
FIG. 3 is a schematic structural diagram of a voltage measuring device and a three-jaw chuck of a copper tube resistance measuring clamp.
Fig. 4 is an exploded view of a voltage measuring device of a copper tube resistance measuring clamp.
In the figure: 1. a copper pipe; 2. a fixed part; 3. a measuring section; 4. a three-jaw chuck; 5. a limiting column; 6. an adjustable power supply device; 7. a voltage measuring device; 8. a sliding table; 9. an energizing conductor; 10. a screw; 11. an insulating sheet; 12. a base; 13. briquetting; 14. an insulating plate; 15. a spring; 16. a bevel; 17. a threaded hole; 18. and (7) rotating a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: as shown in fig. 1 to 4, the measuring device comprises a fixing part 2 for fixing arranged at two ends of a copper tube 1 and a measuring part 3 for measuring the resistance of the copper tube 1; the fixing part 2 comprises a three-jaw chuck 4 which is arranged at the outer side of the copper pipe 1 and is used for clamping the copper pipe 1 from the outer side; the copper pipe is also provided with a limit column 5 which is connected with the three-jaw chuck 4 in a sliding way and is arranged along the length direction of the copper pipe 1 and used for adjusting the position of the three-jaw chuck 4; the measuring part 3 comprises an adjustable power supply device 6 which is arranged at the end part of the copper pipe 1 and is connected with a limiting column 5 in a sliding way; and a voltage measuring device 7 provided on one of the three-jaw chucks 4;
the adjustable power supply device 6 comprises a sliding table 8 which is connected with the limiting column 5 in a sliding manner; and an electrified conductor 9 arranged in the middle of one side of the sliding table 8 close to the copper pipe 1; and a screw 10 rotatably connected to the other side of the slide table 8;
an insulating sheet 11 is arranged between the electrified conductor 9 and the sliding table 8;
the electrified conductor 9 is a truncated cone-shaped copper conductor, one side of which close to the copper pipe 1 is smaller than one side of which close to the sliding table 8;
the voltage measuring device 7 comprises a base 12 arranged on the upper side of the telescopic end of the three-jaw chuck 4; and a copper pressing block 13 arranged on the base 12 and close to the copper pipe 1 side; the plurality of press blocks 13 are connected by a wire;
an insulating plate 14 is arranged between the base 12 and the telescopic end of the three-jaw chuck 4;
the pressing block 13 is connected with the base 12 through a spring 15;
an inclined plane 16 is arranged at the end part of the pressing block 13 close to the copper pipe 1;
the side, far away from the copper pipe 1, of the sliding table 8 of the limiting columns 5 is provided with a threaded hole 17 in a connecting mode; the screw rod 10 is in threaded connection with the threaded hole 17;
the end of the screw rod 10 far away from the sliding table 8 is provided with a rotating handle 18.
In use, as shown in connection with figures 1-4,
firstly, two ends of a copper pipe 1 are respectively fixed on a three-jaw chuck 4 close to an adjustable power supply device 6, then a rotating handle 18 at one side of a rotary sliding table 8 is rotated to drive a screw rod 10 to rotate, the screw rod 10 is in threaded connection with a threaded hole 17, the sliding table 8 is pushed to the copper pipe 1 along a limiting column 5, so that an electrified conductor 9 at one side of the sliding table 8 extends into the copper pipe 1 and is in full contact with the copper pipe 1, and the electrified conductor 9 is in a column table shape, so that the copper pipes 1 with different sizes can be taken into consideration, and the requirement that the electrified position is in full contact with the circumferential direction of the copper pipe 1 is met;
then, the three-jaw chuck 4 of the voltage measuring device 7 is slidably mounted along the limiting column 5, so that the distance between the voltage measuring device 7 and the adjustable power supply device 6 is larger than 1.5 times of the perimeter of the outer wall of the copper pipe 1 when the distance between the position where current is introduced and the position where voltage is measured, then the three-jaw chuck 4 is screwed and fixed to drive the voltage measuring device 7 located at the telescopic end of the three-jaw chuck 4 to approach the copper pipe 1, in the process, because the spring 15 is arranged between the base 12 and the pressing block 13, the problem that the pressing block 13 is easy to extrude the copper pipe 1 to cause deformation is avoided, and because the end part of the pressing block 13 close to the copper pipe 1 is provided with the inclined plane 16, the pressing block 13 is also ensured to be fully contacted with the copper pipe 1;
and finally, after the two ends of the copper pipe 1 are fixed, current is introduced into the copper pipe 1 through the electrified conductor 9, and the voltage values of the copper pipe 1 which are uniform in the circumferential direction are measured through the pressing blocks 13 connected through the wires in the voltage measuring devices 7 at the two sides, so that the more accurate resistance value of the copper pipe 1 can be calculated.
The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to the common knowledge in the field, and the utility model is mainly used for protecting the mechanical arrangement, so the control mode and the circuit connection are not explained in detail in the utility model.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a copper pipe resistance measurement anchor clamps which characterized in that: comprises fixing parts (2) which are arranged at two ends of a copper pipe (1) and are used for fixing and a measuring part (3) which is used for measuring the resistance of the copper pipe (1); the fixing part (2) comprises a three-jaw chuck (4) which is arranged on the outer side of the copper pipe (1) and is used for clamping the copper pipe (1) from the outer side; the copper pipe is also provided with an edge limiting column (5) which is connected with the three-jaw chuck (4) in a sliding way and is arranged along the length direction of the copper pipe (1) and used for adjusting the position of the three-jaw chuck (4); the measuring part (3) comprises an adjustable power supply device (6) which is arranged at the end part of the copper pipe (1) and is connected with the limiting column (5) in a sliding way; and a voltage measuring device (7) arranged on a three-jaw chuck (4).
2. A copper tube resistance measuring fixture in accordance with claim 1, characterized in that: the adjustable power supply device (6) comprises a sliding table (8) which is in sliding connection with the limiting column (5); and an electrified conductor (9) arranged in the middle of one side of the sliding table (8) close to the copper pipe (1); and a screw (10) rotatably connected to the other side of the slide table (8).
3. A copper tube resistance measuring fixture in accordance with claim 2, characterized in that: an insulating sheet (11) is arranged between the electrified conductor (9) and the sliding table (8).
4. A copper tube resistance measuring fixture as claimed in claim 3, further comprising: the electrified conductor (9) is a truncated cone-shaped copper conductor, one side of which close to the copper pipe (1) is smaller than one side of which close to the sliding table (8).
5. A copper tube resistance measuring fixture in accordance with claim 1, characterized in that: the voltage measuring device (7) comprises a base (12) arranged on the upper side of the telescopic end of the three-jaw chuck (4); and a copper pressing block (13) arranged on the base (12) and close to the copper pipe (1); the plurality of pressing blocks (13) are connected through a lead.
6. A copper pipe resistance measuring fixture as claimed in claim 5, characterized in that: an insulating plate (14) is arranged between the base (12) and the telescopic end of the three-jaw chuck (4).
7. A copper pipe resistance measuring fixture as claimed in claim 5, characterized in that: the pressing block (13) is connected with the base (12) through a spring (15).
8. A copper pipe resistance measuring fixture as claimed in claim 5, characterized in that: an inclined plane (16) is arranged at the end part of the pressing block (13) close to the copper pipe (1).
9. A copper tube resistance measuring fixture in accordance with claim 2, characterized in that: a plurality of limiting columns (5) are provided with threaded holes (17) in a connecting way at the side of the sliding table (8) far away from the copper pipe (1); the screw rod (10) is in threaded connection with the threaded hole (17).
10. A copper tube resistance measuring fixture as defined in claim 9, further comprising: and a rotating handle (18) is arranged at one end of the screw rod (10) far away from the sliding table (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121638712.8U CN216098469U (en) | 2021-07-19 | 2021-07-19 | Copper pipe resistance measuring clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121638712.8U CN216098469U (en) | 2021-07-19 | 2021-07-19 | Copper pipe resistance measuring clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216098469U true CN216098469U (en) | 2022-03-22 |
Family
ID=80722453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121638712.8U Active CN216098469U (en) | 2021-07-19 | 2021-07-19 | Copper pipe resistance measuring clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216098469U (en) |
-
2021
- 2021-07-19 CN CN202121638712.8U patent/CN216098469U/en active Active
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