Measuring device for power supply cable installation

Abstract

The invention belongs to the technical field of measuring devices, and particularly discloses a measuring device for power supply cable installation, which comprises a measuring tape, the measuring tape comprises a plurality of measuring units connected end to end, every two adjacent measuring units are connected through a rotating structure, each measuring unit comprises a lap joint block, and a measuring strip is embedded in each lap joint block. The cross section of the lap joint block is in a concave shape, inserting holes are formed in the positions, located on the two sides of the measuring strip, of the top face of the lap joint block, spring plungers are embedded in the positions, close to the inserting holes, of the lap joint block, the rotating structure comprises a penetrating piece, the two ends of the penetrating piece abut against the lap joint block, and a fixing plate abuts against the side, away from the penetrating piece, of the lap joint block. Inserting rods penetrate through the two ends of the penetrating pieces and penetrate through the lap joint blocks to be connected with the fixing plates in an inserted mode. When the device is actually used, the length of the cable can be accurately measured, errors of the measured length of the cable can be avoided, the measuring tape can be prevented from slipping from the outer wall of the cable, and accurate measurement of the length of the cable is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of measuring devices, and in particular relates to a measuring device for power supply cable installation. Background Art

[0002] During the installation process of the power cable, the length of the power cable needs to be measured. The traditional method of measuring the length of the power cable is usually to use a measuring instrument. However, the measuring instrument is not convenient for measuring the power cable in a complex environment. The staff needs to use a tape measure to measure the power cable. Currently, the tape measures used to measure power cables on the market are usually steel tape measures. The surface of the steel tape measures is relatively smooth. When measuring the power cables with steel tape measures, the staff needs to place the steel tape measure against the outer wall of the power cable and measure along the laying trajectory of the power cable. The existing steel tape measure has a strip structure and a concave cross-section. When measuring continuously bent power cables, the steel tape measure is easily separated from the power cable, which leads to errors in the measurement values ​​of the power cables. Summary of the Invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a measuring device for power supply cable installation.

[0004] To achieve the above object, the present invention provides a measuring device for power cable installation, comprising a measuring belt, wherein the measuring belt comprises a plurality of measuring units connected end to end, and every two adjacent measuring units are connected by a rotating structure; The measuring unit includes a bridge block, a measuring bar is embedded in the bridge block, the cross section of the bridge block is concave, the top surface of the bridge block is located on both sides of the measuring bar and has sockets, and a spring plunger is embedded in the portion of the bridge block near the sockets.

[0005] In the above technical solution, further, the rotating structure includes a through piece, both ends of the through piece are in contact with the overlapping block, the side of the overlapping block facing away from the through piece is in contact with a fixed plate, both ends of the through piece are penetrated by a plug-in rod, and the plug-in rod penetrates the overlapping block and is plugged into the fixed plate.

[0006] In the above technical solution, further, a ferrule is detachably connected to the connecting block, both ends of the ferrule are plugged into the connecting block through a socket, the end of the ferrule abuts against a spring plunger, and the output end of the spring plunger extends into the interior of the socket.

[0007] In the above technical solution, further, the overlapping block at one end is abutted against a marking plate, and both sides of the marking plate are detachably connected with side abutment bars, and the side abutment bars are rotatably connected to the overlapping block.

[0008] In the above technical solution, further, the overlapping block located at the other end is fixedly connected to a sleeve tube, a winding rod is clamped inside the sleeve tube, one end of the winding rod is sleeved with a second cross plate, the other end of the winding rod is sleeved with a first cross plate, the end of the winding rod facing away from the first cross plate is threadedly connected to the first connecting block, the inner wall of the first connecting block abuts against the second cross plate, the end of the winding rod facing away from the first connecting block is fixedly connected to an abutting block, the inner wall of the abutting block abuts against the first cross plate.

[0009] In the above technical solution, further, a transmission rod is detachably connected to the abutment block, an end of the transmission rod facing away from the abutment block is sleeved with a storage shell, an inner wall of the storage shell is fixedly connected with a coil spring, and an end of the coil spring facing away from the storage shell is fixedly connected to the transmission rod.

[0010] In the above technical solution, further, one end of the second cross plate is detachably connected to a handle, the handle is clamped with the first cross plate, the lower end of the handle is fixedly connected to the base, rollers are distributed on one side of the measuring belt, and abutment plates are rotatably connected on both sides of the rollers, one of the abutment plates is clamped with the first cross plate, and the abutment plates on the other side are clamped with the second cross plate.

[0011] In the above technical solution, further, a sliding groove is provided on the upper part of the handle near the measuring tape, and a pressure strip is slidably connected to the inside of the sliding groove, one end of the pressure strip is fixedly connected to a pressure end head, and the other end of the pressure strip is fixedly connected to an extrusion spring, and the end of the extrusion spring facing away from the pressure strip is fixedly connected to the inner wall of the sliding groove, and the side wall of the pressure strip is fixedly connected to an inclined block, and the inclined block is an isosceles triangle structure, and a pressing rod is abutted on the inclined block, and the pressing rod passes through the handle, and a reset spring is fixedly connected to the outer wall of the pressing rod, and the end of the reset spring facing away from the pressing rod is fixedly connected to the handle.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. When used in practice, the device can accurately measure the length of the cable, thus avoiding errors in the measured length of the cable; 2. When the device is actually used, it can prevent the measuring tape from slipping off the outer wall of the cable, thus achieving accurate measurement of the cable length; 3. When the device is actually in use, the measuring tape can be quickly stored, making it easier for workers to quickly measure the cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the connection structure between the measuring tape and the sleeve tube proposed in the present invention; Figure 3 This is a schematic diagram of the connection structure between the ferrule and the overlapping block proposed in the present invention; Figure 4 This is a schematic diagram of the connection structure of the measuring strip and the bridge block proposed in the present invention; Figure 5 This is a schematic diagram of the connection structure between the pressure strip and the handle proposed in the present invention; Figure 6 This is a schematic diagram of the connection structure between the storage shell and the coil spring proposed in the present invention.

[0014] In the figure: 1. roller; 2. measuring tape; 3. first cross plate; 4. coil spring; 5. second cross plate; 6. first connecting block; 7. handle; 8. base; 9. abutment plate; 10. marking plate; 11. pressing rod; 12. sleeve tube; 13. side abutment strip; 14. ferrule; 15. rewinding rod; 16. abutment block; 17. storage shell; 18. overlap block; 19. socket; 20. measuring strip; 21. spring plunger; 22. through-piece; 23. transmission rod; 24. plug-in rod; 25. fixing plate; 26. sliding groove; 27. abutment end; 28. abutment strip; 29. ​​extrusion spring; 30. tilting block; 31. return spring. DETAILED DESCRIPTION

[0015] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] like Figures 1-6 A measuring device for power cable installation shown includes a measuring belt 2, which includes a plurality of measuring units connected end to end, with every two adjacent measuring units connected via a rotating structure; The measuring unit includes a bridge block 18, on which a measuring bar 20 is embedded. The cross-section of the bridge block 18 is concave, and the top surface of the bridge block 18 is located on both sides of the measuring bar 20 with sockets 19. A spring plunger 21 is embedded in the portion of the bridge block 18 near the socket 19. The spring plunger 21 is a structure in the prior art and is well known to those skilled in the art. The use of the spring plunger 21 can firmly connect the ferrule 14 to the bridge block 18.

[0017] The rotating structure includes a through piece 22, both ends of which are in contact with the overlapping block 18, and the side of the overlapping block 18 facing away from the through piece 22 is in contact with a fixed plate 25. Both ends of the through piece 22 are penetrated by a plug-in rod 24, which passes through the overlapping block 18 and is plugged into the fixed plate 25, so that the through piece 22 and the fixed plate 25 can be rotated on the overlapping block 18.

[0018] The ferrule 14 is detachably connected to the bridge block 18. Both ends of the ferrule 14 are plugged into the bridge block 18 through the socket 19. The end of the ferrule 14 abuts against the spring plunger 21. The output end of the spring plunger 21 extends to the inside of the socket 19. The ferrule 14 is a structure in the prior art. When the ferrule 14 is connected to the bridge block 18, the ferrule 14 can drive the cable to be fixed on the bridge block 18.

[0019] The overlapping block 18 at one end is abutted against the marking plate 10, and the side abutment strips 13 are detachably connected on both sides of the marking plate 10. The side abutment strips 13 are rotatably connected to the overlapping block 18. The marking plate 10 is a red plastic plate. The setting of the marking plate 10 can facilitate the staff to find the end of the measuring tape 2.

[0020] The overlapping block 18 at the other end is fixedly connected to the sleeve tube 12, and the interior of the sleeve tube 12 is clamped with a reeling rod 15, one end of the reeling rod 15 is sleeved with the second cross plate 5, and the other end of the reeling rod 15 is sleeved with the first cross plate 3, and the end of the reeling rod 15 facing away from the first cross plate 3 is threadedly connected to the first connecting block 6, and the inner wall of the first connecting block 6 abuts against the second cross plate 5, and the end of the reeling rod 15 facing away from the first connecting block 6 is fixedly connected to the abutting block 16, and the inner wall of the abutting block 16 abuts against the first cross plate 3, so that the reeling rod 15 can drive the sleeve tube 12 to reel the measuring tape 2.

[0021] A transmission rod 23 is detachably connected to the abutment block 16, and a storage shell 17 is sleeved on the end of the transmission rod 23 facing away from the abutment block 16. A coil spring 4 is fixedly connected to the inner wall of the storage shell 17, and an end of the coil spring 4 facing away from the storage shell 17 is fixedly connected to the transmission rod 23. The coil spring 4 can drive the transmission rod 23 to rotate, and at this time the transmission rod 23 can drive the winding rod 15 to rewind the measuring tape 2.

[0022] One end of the second cross plate 5 is detachably connected to a handle 7, which is clamped with the first cross plate 3. The lower end of the handle 7 is fixedly connected to a base 8. A roller 1 is distributed on one side of the measuring belt 2. Both sides of the roller 1 are rotatably connected to abutment plates 9, one of which is clamped with the first cross plate 3, and the other side abutment plate 9 is clamped with the second cross plate 5. The roller 1 can roll on the outer wall of the measuring belt 2, thereby realizing the measurement of the measuring belt 2 along the trajectory of the cable.

[0023] A sliding groove 26 is provided on the upper part of the handle 7 near the measuring tape 2. A pressing strip 28 is slidably connected to the interior of the sliding groove 26. One end of the pressing strip 28 is fixedly connected to a pressing end 27. The other end of the pressing strip 28 is fixedly connected to an extrusion spring 29. The end of the extrusion spring 29 facing away from the pressing strip 28 is fixedly connected to the inner wall of the sliding groove 26. The side wall of the pressing strip 28 is fixedly connected to an inclined block 30. The inclined block 30 is an isosceles triangle structure. The pressing rod 11 is abutted on the inclined block 30. The pressing rod 11 passes through the handle 7, and a return spring 31 is fixedly connected to the outer wall of the pressing rod 11. The end of the return spring 31 facing away from the pressing rod 11 is fixedly connected to the handle 7. When the staff presses the pressing rod 11, the pressing strip 28 can drive the pressing end 27 to press on the measuring tape 2, thereby fixing the use length of the measuring tape 2. It should be added that the side of the tilting block 30 facing away from the pressing end 27 is in contact with the pressing rod 11, and the tilting block 30 will not be separated from the pressing rod 11.

[0024] Working principle: When the device is actually used, the staff's hand pulls the measuring tape 2 through the marking plate 10, and then uses the hoop 14 to sleeve the cable. Then the end of the hoop 14 is plugged into the connecting block 18 through the jack 19, so that the bottom wall of the connecting block 18 can be attached to the cable. The staff's hand holds the handle 7, and then pulls the measuring tape 2 through the handle 7. When the measuring tape 2 measures the bending part of the cable, the staff uses the hoop 14 to sleeve the cable, and then the hoop 1 The end of 4 is plugged into the overlapping block 18 through the socket 19, which can prevent the measuring tape 2 from separating from the outer wall of the cable. When the hoop 14 is plugged into the overlapping block 18, the staff's hand presses the pressing rod 11, and the pressing strip 28 can drive the pressing end 27 to press on the measuring tape 2, thereby fixing the use length of the measuring tape 2 and facilitating the plugging of the hoop 14 and the overlapping block 18. It should be added that scale lines are engraved on the measuring strip 20, and the scale lines of two adjacent measuring strips 20 are continuous.

[0025] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A measuring device for power supply cable installation, comprising a measuring tape (2), characterized in that: The measuring belt (2) comprises a plurality of measuring units connected end to end, and every two adjacent measuring units are connected via a rotating structure; The measuring unit comprises a bridge block (18), a measuring bar (20) is embedded in the bridge block (18), the cross section of the bridge block (18) is concave, the top surface of the bridge block (18) is located on both sides of the measuring bar (20) and is provided with a socket (19), and a spring plunger (21) is embedded in a portion of the bridge block (18) near the socket (19).

2. A power cable installation measuring device according to claim 1, characterized in that: The rotating structure comprises a through piece (22), both ends of the through piece (22) are in contact with the lap block (18), a side of the lap block (18) facing away from the through piece (22) is in contact with a fixed plate (25), and both ends of the through piece (22) are penetrated by a plug-in rod (24), and the plug-in rod (24) penetrates the lap block (18) and is plugged into the fixed plate (25).

3. A power cable installation measuring device according to claim 1, characterized in that: The ferrule (14) is detachably connected to the connecting block (18), and both ends of the ferrule (14) are plugged into the connecting block (18) through the socket (19). The end of the ferrule (14) abuts against the spring plunger (21), and the output end of the spring plunger (21) extends into the interior of the socket (19).

4. A measuring device for power cable installation according to claim 1, characterized in that: The overlap block (18) at one end abuts against a marking plate (10), and both sides of the marking plate (10) are detachably connected to side abutment bars (13), and the side abutment bars (13) are rotatably connected to the overlap block (18).

5. The power cable installation measuring device according to claim 1, characterized in that: The overlapping block (18) at the other end is fixedly connected to the sleeve tube (12), the interior of the sleeve tube (12) is clamped with a reeling rod (15), one end of the reeling rod (15) is sleeved with the second cross plate (5), the other end of the reeling rod (15) is sleeved with the first cross plate (3), the end of the reeling rod (15) away from the first cross plate (3) is threadedly connected to the first connecting block (6), the inner wall of the first connecting block (6) abuts against the second cross plate (5), the end of the reeling rod (15) away from the first connecting block (6) is fixedly connected to the abutting block (16), the inner wall of the abutting block (16) abuts against the first cross plate (3).

6. A power cable installation measuring device according to claim 5, characterized in that: The abutment block (16) is detachably connected to a transmission rod (23), one end of the transmission rod (23) facing away from the abutment block (16) is sleeved with a storage shell (17), an inner wall of the storage shell (17) is fixedly connected to a coil spring (4), and one end of the coil spring (4) facing away from the storage shell (17) is fixedly connected to the transmission rod (23).

7. A power cable installation measuring device according to claim 5, characterized in that: One end of the second cross plate (5) is detachably connected to a handle (7), the handle (7) is clamped to the first cross plate (3), the lower end of the handle (7) is fixedly connected to a base (8), a roller (1) is distributed on one side of the measuring belt (2), and both sides of the roller (1) are rotatably connected to abutment plates (9), one of the abutment plates (9) is clamped to the first cross plate (3), and the other side of the abutment plate (9) is clamped to the second cross plate (5).

8. A power cable installation measuring device according to claim 7, characterized in that: A sliding groove (26) is provided at the upper portion of the handle (7) near the measuring tape (2), and a pressing strip (28) is slidably connected inside the sliding groove (26), one end of the pressing strip (28) is fixedly connected to a pressing end (27), and the other end of the pressing strip (28) is fixedly connected to an extrusion spring (29), and the end of the extrusion spring (29) facing away from the pressing strip (28) is fixedly connected to the inner wall of the sliding groove (26), and the side wall of the pressing strip (28) is fixedly connected to an inclined block (30), and the inclined block (30) is an isosceles triangle structure, and a pressing rod (11) is abutted on the inclined block (30), and the pressing rod (11) and the handle (7) are penetrated, and a return spring (31) is fixedly connected to the outer wall of the pressing rod (11), and the end of the return spring (31) facing away from the pressing rod (11) is fixedly connected to the handle (7).

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