Pay-off tightening device for electric power transmission and transformation

Abstract

The utility model discloses a pay-off tightening device for electric power transmission and transformation, and relates to the technical field of tightening devices, the pay-off tightening device comprises a base, a cable rack and a tightening structure, the cable rack and the tightening structure are arranged on the base, the tightening structure comprises a group of fixing racks, a reciprocating screw rod arranged between the group of fixing racks, a motor and a driving wheel; the motor is arranged on the side, away from the reciprocating lead screw, of one fixing frame, the driving wheel is arranged at the output end of the motor, and the driving wheel is in meshed connection with a driven wheel fixedly connected with one end of the reciprocating lead screw. The number of the reciprocating screw rods is two, and the two reciprocating screw rods are arranged above the base in parallel; the two reciprocating screw rods are respectively provided with a sliding seat capable of reciprocating at one end; a mounting groove is formed in the top of the sliding seat, a set of first tightening wheels and a set of second tightening wheels are arranged in the mounting groove, the second tightening wheels are located between the set of first tightening wheels, and a monitoring mechanism is arranged above the position between the two reciprocating lead screws; the cable tightening efficiency is improved, and the tightening tension of cable tightening can be monitored and controlled conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of tightening devices, in particular to a wire-laying and tightening device for power transmission and transformation. Background Art

[0002] Since the current transmission process requires multiple power transformations, the transmission of current is called power transmission and transformation. Power transmission and transformation requires the installation of cables. When installing cables, tightening devices are needed to straighten and tighten the cables to a suitable degree to ensure the normal and safe use of the cables.

[0003] The existing cable tightening device has the following disadvantages:

[0004] 1. The cable tightening device tightens the cable intermittently, that is, the steps of tightening, fixing and resetting the cable are repeated, and there are tightening intervals, which makes the work efficiency low;

[0005] 2. The cable tightening device cannot limit the tightening force and can only rely on the workers' experience and judgment. It is easy for the cable to be too loose or too tight, affecting the subsequent use of the cable. The flexibility and practicality are not high. Utility Model Content

[0006] The utility model aims to provide a cable-laying and tightening device for power transmission and transformation, so as to improve the efficiency of cable tightening and facilitate monitoring and controlling the tightening tension of the cable tightening.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire-laying and tightening device for power transmission and transformation, comprising a base, a cable rack and a tightening structure arranged on the base, the tightening structure comprising a group of fixed frames, a reciprocating screw rod arranged between the group of fixed frames, a motor and a driving wheel; the motor is arranged on the base, the driving wheel is arranged at the output end of the motor, and the driving wheel is meshed and connected with a driven wheel fixedly connected to one end of the reciprocating screw rod; there are two reciprocating screw rods, and the two reciprocating screw rods are arranged in parallel above the base; a sliding seat with reciprocating ends is arranged on the two reciprocating screw rods; a mounting groove is opened on the top of the sliding seat, a group of first tightening wheels and a second tightening wheel are arranged inside the mounting groove, the second tightening wheel is located between the group of first tightening wheels, and a monitoring mechanism is arranged above between the two reciprocating screw rods;

[0008] The monitoring mechanism includes a connecting seat, a lifting seat, a pressure sensor, a pressure spring, a third tightening wheel, and a first lifting device; the pressure sensor is arranged at the bottom of the lifting seat, the pressure spring is arranged between the pressure sensor and the third tightening wheel, the third tightening wheel is provided with a guide rod, the upper end of the guide rod passes through the lifting seat and is provided with a nut, a reset spring is sleeved on the guide rod, the two ends of the reset spring are respectively arranged between the third tightening wheel and the lifting seat, the first lifting device is arranged on the connecting seat, and the output end of the first lifting device is arranged on the lifting seat.

[0009] In order to facilitate receiving the tightening tension value of the monitoring cable, as a preferred wire-laying and tightening device for power transmission and transformation of the utility model, a PLC controller is arranged on the base, and the PLC controller is electrically connected to the first lifting device and the pressure sensor respectively.

[0010] In order to facilitate the movement of the device, as a preferred embodiment of the wire-laying and tightening device for power transmission and transformation of the utility model, a push frame is provided on the base, and universal wheels are provided at the bottom of the base.

[0011] In order to enhance the stability of the device, as a preferred wire-releasing and tightening device for power transmission and transformation of the utility model, a through hole is provided on the base, and a mounting frame fixedly connected to the top of the base is provided on the through hole, and the mounting frame is a U-shaped structure with an opening facing downward, and a second lifting device is provided on the top of the mounting frame, and the output end of the second lifting device passes through the through hole and is provided on the universal wheel.

[0012] In order to facilitate the use of the first lifting device and the second lifting device, as the preferred wire-laying and tightening device for power transmission and transformation of the utility model, the first lifting device and the second lifting device are electric telescopic rods, pneumatic telescopic rods or hydraulic telescopic rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model starts the motor, the driving wheel and the driven wheel are meshed, so that the reciprocating screw rod can achieve the effect of rotation. The reciprocating screw rod rotates, the slide moves, and the cable is passed above the first tightening wheel and below the second tightening wheel. The slide moves, driving the cable to reciprocate, and the cable can be repeatedly tightened and fixed, with high work efficiency.

[0015] 2. The utility model starts the first lifting device, and the lifting seat drives the third tightening wheel to move downward. The cable is located below the third tightening wheel. The cable contacts the third tightening wheel, and the pressure spring moves upward under pressure. The pressure spring squeezes the pressure sensor, so that the pressure sensor can detect the tension of the cable. The PLC controller 19 receives the monitored value. When the tightening tension is too large, the PLC controller 19 starts the first lifting device to move the third tightening wheel upward, which can reduce the tightening tension of the cable and prevent the cable from being too loose or too tight. It will not affect the subsequent use of the cable and has high flexibility and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a side sectional structural schematic diagram of the sliding seat and the monitoring mechanism of the utility model;

[0018] Figure 3 It is a side structural schematic diagram of the mounting frame of the utility model.

[0019] In the figure: 1. base; 2. fixed frame; 3. reciprocating screw; 4. motor; 5. driving wheel; 6. driven wheel; 7. slide seat; 8. mounting groove; 9. first tightening wheel; 10. second tightening wheel; 11. connecting seat; 12. lifting seat; 13. pressure sensor; 14. pressure spring; 15. third tightening wheel; 16. first lifting device; 17. guide rod; 18. reset spring; 19. plc controller; 20. push frame; 21. universal wheel; 22. through hole; 23. mounting frame; 24. second lifting device. DETAILED DESCRIPTION

[0020] See also Figures 1 to 3 , a wire-laying and tightening device for power transmission and transformation, comprising a base 1, a cable rack and a tightening structure arranged on the base 1, the tightening structure comprising a group of fixed frames 2, a reciprocating screw rod 3 arranged between the group of fixed frames 2, a motor 4, and a driving wheel 5; the motor 4 is arranged on the base 1, the driving wheel 5 is arranged at the output end of the motor 4, and the driving wheel 5 is meshed and connected with a driven wheel 6 fixedly connected to one end of the reciprocating screw rod 3; there are two reciprocating screw rods 3, and the two reciprocating screw rods 3 are arranged in parallel above the base 1; the two reciprocating screw rods 3 are each provided with a slide seat 7 with one end that can reciprocate; a mounting groove 8 is opened on the top of the slide seat 7, and a group of first tightening wheels 9 and a second tightening wheel 10 are arranged inside the mounting groove 8, and the second tightening wheel 10 is located between the group of first tightening wheels 9, and a monitoring mechanism is arranged above between the two reciprocating screw rods 3;

[0021] The monitoring mechanism includes a connecting seat 11, a lifting seat 12, a pressure sensor 13, a pressure spring 14, a third tightening wheel 15, and a first lifting device 16; the pressure sensor 13 is arranged at the bottom of the lifting seat 12, the pressure spring 14 is arranged between the pressure sensor 13 and the third tightening wheel 15, the third tightening wheel 15 is provided with a guide rod 17, the upper end of the guide rod 17 passes through the lifting seat 12 and is provided with a nut, the guide rod 17 is sleeved with a reset spring 18, the two ends of the reset spring 18 are respectively arranged between the third tightening wheel 15 and the lifting seat 12, the first lifting device 16 is arranged on the connecting seat 11, and the output end of the first lifting device 16 is arranged on the lifting seat 12;

[0022] A plc controller 19 is provided on the base 1 , and the plc controller 19 is electrically connected to the first lifting device 16 and the pressure sensor 13 respectively.

[0023] In this embodiment: the motor 4 is started, the driving wheel 5 is meshed with the driven wheel 6, so that the reciprocating screw rod 3 can achieve the effect of rotation, the reciprocating screw rod 3 rotates, the slide 7 moves, the cable is passed through the first tightening wheel 9 and the second tightening wheel 10, the slide 7 moves, and the cable is repeatedly tightened and fixed, and the working efficiency is high; and the first lifting device 16 is started, the lifting seat 12 drives the third tightening wheel 15 to move downward, the cable is located below the third tightening wheel 15, the cable contacts the third tightening wheel 15, the pressure spring 14 is pressed and moves upward, the pressure spring 14 squeezes the pressure sensor 13, so that the pressure sensor 13 can detect the tension of the cable, the PLC controller 19 receives the monitored value, and when the tightening tension is too large, the PLC controller 19 starts the first lifting device 16 to move the third tightening wheel 15 upward, which can reduce the tightening tension of the cable tightening, prevent the cable from being too loose or too tight, and will not affect the subsequent use of the cable, with high flexibility and practicality.

[0024] As a technical optimization solution of the utility model, a push frame 20 is arranged on the base 1, and a universal wheel 21 is arranged at the bottom of the base 1.

[0025] In this embodiment, the universal wheel 21 and the push frame 20 further facilitate the movement of the tightening device.

[0026] As a technical optimization solution of the utility model, a through hole 22 is opened on the base 1, and a mounting frame 23 fixedly connected to the top of the base 1 is arranged on the through hole 22. The mounting frame 23 is a U-shaped structure with the opening facing downward. A second lifting device 24 is arranged on the top of the mounting frame 23, and the output end of the second lifting device 24 passes through the through hole 22 and is arranged on the universal wheel 21.

[0027] In this embodiment, when the tightening device is in operation, the second lifting device 24 can be activated to move the universal wheel 21 to the top of the base 1, thereby enhancing the stability of the base 1.

[0028] As a technical optimization solution of the present invention, the first lifting device 16 and the second lifting device 24 are electric telescopic rods, pneumatic telescopic rods or hydraulic telescopic rods.

[0029] In this embodiment, the first lifting device 16 and the second lifting device 24 can be an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

[0030] Working principle: first, start the motor 4, the driving wheel 5 is meshed with the driven wheel 6, so that the reciprocating screw rod 3 can achieve the effect of rotation, the reciprocating screw rod 3 rotates, the slide 7 moves, the cable is passed through the first tightening wheel 9 and the second tightening wheel 10, the slide 7 moves, and the cable can be repeatedly tightened and fixed, and the working efficiency is high; and the first lifting device 16 is started, the lifting seat 12 drives the third tightening wheel 15 to move downward, the cable is located below the third tightening wheel 15, the cable contacts the third tightening wheel 15, the pressure spring 14 is pressed to move upward, the pressure spring 14 squeezes the pressure sensor 13, so that the pressure sensor 13 can detect the tension of the cable, and the PLC controller 19 receives the monitored value. When the tightening tension is too large, the PLC controller 19 starts the first lifting device 16 to move the third tightening wheel 15 upward, which can reduce the tightening tension of the cable tightening and prevent the cable from being too loose or too tight. It will not affect the subsequent use of the cable, and has high flexibility and practicality.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wire-laying and tightening device for power transmission and transformation, comprising a base (1), a cable rack and a tightening structure arranged on the base (1), characterized in that: The tightening structure comprises a group of fixed frames (2), a reciprocating screw rod (3) arranged between the group of fixed frames (2), a motor (4), and a driving wheel (5); the motor (4) is arranged on the base (1), the driving wheel (5) is arranged at the output end of the motor (4), and the driving wheel (5) is meshedly connected with a driven wheel (6) fixedly connected to one end of the reciprocating screw rod (3); there are two reciprocating screw rods (3), and the two reciprocating screw rods (3) are arranged in parallel above the base (1); the two reciprocating screw rods (3) are each provided with a slide seat (7) with one end capable of reciprocating; a mounting groove (8) is provided on the top of the slide seat (7), and a group of first tightening wheels (9) and a second tightening wheel (10) are arranged inside the mounting groove (8), and the second tightening wheel (10) is located between the group of first tightening wheels (9), and a monitoring mechanism is arranged above between the two reciprocating screw rods (3); The monitoring mechanism comprises a connecting seat (11), a lifting seat (12), a pressure sensor (13), a pressure spring (14), a third tightening wheel (15), and a first lifting device (16); the pressure sensor (13) is arranged at the bottom of the lifting seat (12); the pressure spring (14) is arranged between the pressure sensor (13) and the third tightening wheel (15); a guide rod (17) is arranged on the third tightening wheel (15); a nut is arranged at the upper end of the guide rod (17) passing through the lifting seat (12); a reset spring (18) is sleeved on the guide rod (17); two ends of the reset spring (18) are respectively arranged between the third tightening wheel (15) and the lifting seat (12); the first lifting device (16) is arranged on the connecting seat (11); and an output end of the first lifting device (16) is arranged on the lifting seat (12).

2. The wire-laying and tightening device for power transmission and transformation according to claim 1 is characterized in that: A PLC controller (19) is arranged on the base (1), and the PLC controller (19) is electrically connected to the first lifting device (16) and the pressure sensor (13) respectively.

3. The wire-laying and tightening device for power transmission and transformation according to claim 1 is characterized in that: A push frame (20) is arranged on the base (1), and a universal wheel (21) is arranged at the bottom of the base (1).

4. The wire-laying and tightening device for power transmission and transformation according to claim 1 is characterized in that: The base (1) is provided with a through hole (22), and a mounting frame (23) fixedly connected to the top of the base (1) is arranged on the through hole (22); the mounting frame (23) is in a U-shaped structure with its opening facing downward; a second lifting device (24) is arranged on the top of the mounting frame (23); an output end of the second lifting device (24) passes through the through hole (22) and is arranged on the universal wheel (21).

5. The wire-laying and tightening device for power transmission and transformation according to claim 1 is characterized in that: The first lifting device (16) and the second lifting device (24) are electric telescopic rods, pneumatic telescopic rods or hydraulic telescopic rods.

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