Wire tightening device for power construction

Abstract

The invention belongs to the technical field of power equipment, and particularly relates to a power construction wire tightening device which comprises a bottom plate, a handle is fixed to one end of the top of the bottom plate, a plurality of universal wheels are installed at the bottom of the bottom plate, a pair of first vertical plates distributed on the two sides are fixed to the top of the bottom plate, and a same main shaft is rotationally connected between the two first vertical plates and fixedly sleeved with a winding drum. A rocking handle is fixed to one end of the spindle, and the other end of the spindle is connected with a stopping assembly. According to the cable winding device, the device is moved to a set position through the handle, then the free end of the cable is wound on the winding drum for several circles, then the main shaft is rotated through the rocking handle to drive the winding drum to rotate, the winding drum can wind the cable, and therefore the cable is gradually tensioned; and the main shaft is fixed by the stopping assembly, so that the winding drum is prevented from rotating reversely.

Description

Technical Field

[0001] The invention relates to the technical field of electric power equipment, and in particular to a power construction line tightening device. Background Art

[0002] The construction and renewal of power equipment in power construction is accelerating; in the construction of power equipment, the construction of transmission lines is particularly important, and its construction workload is large. In my country, the laying of transmission lines is mainly based on the erection of overhead transmission lines; in the process of erecting overhead lines, workers are required to lay and tighten the wires on poles or transmission towers. Because the overhead transmission lines are long and the weight of the free drooping section is heavy, the tensioning construction of the wires is difficult.

[0003] After the cable is tightened, the workers can work on the pole and install and fix the cable. However, the existing power construction tightening device is prone to rotation when in use, so corresponding improvements are made to address this problem. Summary of the invention

[0004] Based on the technical problems existing in the prior art, the present invention proposes a power construction line tightening device.

[0005] The present invention proposes an electric power construction line tightening device, comprising a base plate, a handle is fixed at one end of the top of the base plate, a plurality of universal wheels are installed at the bottom of the base plate, a pair of vertical plates one distributed on both sides are fixed to the top of the base plate, a same main shaft is rotatably connected between the two vertical plates one, a reel is fixedly sleeved on the main shaft, a crank is fixed at one end of the main shaft, and a stop assembly is connected to the other end of the main shaft, the device is moved to a predetermined position by the handle, and then the free end of the cable is firstly wound around the reel for several turns, and then the main shaft is driven to rotate by rotating the main shaft by the crank, the reel will reel in the cable, thereby gradually tightening the cable, and when the reel is rotated in the opposite direction by the force of the cable, the stop assembly will fix the main shaft, thereby preventing the reel from reversing.

[0006] Preferably, the stop assembly includes a ratchet fixedly mounted on the end of the main shaft, a pair of ear blocks fixed on a vertical plate are arranged below the ratchet, a guide column is fixed on the top of the ear block, a slide plate is slidably connected between the two guide columns, a clamping rod that can enter the gap between the ratchet teeth is fixed on the top of the slide plate, a spring is sleeved on the guide column, and the two ends of the spring are respectively fixed on the guide column and the slide plate, when the reel is rotated clockwise by the crank handle, the ratchet teeth of the ratchet will intermittently press the clamping rod downward, so that the clamping rod will not interfere with the rotation of the ratchet, and when the reel drives the ratchet to rotate in the opposite direction, the clamping rod will jam the ratchet teeth and prevent the ratchet from rotating, thereby fixing the main shaft.

[0007] Preferably, the stop assembly includes a circular ring fixedly sleeved on the end of the main shaft, the circumferential outer wall of the circular ring is provided with a plurality of flanges distributed in a ring array, a pair of ear blocks 2 fixed on the vertical plate 1 are provided below the circular ring, a guide column 2 is fixed on the top of the ear block 2, the same slide plate 2 is slidably connected between the two guide columns 2, a clamping rod 2 that can enter between two adjacent flanges is fixed on the top of the slide plate 2, the top of the clamping rod 2 is a right-angled triangle structure, a spring 2 is sleeved on the guide column 2, the two ends of the spring 2 are respectively fixedly connected to the guide column 2 and the slide plate 2, when the reel is rotated clockwise by the crank handle, the flange on the circular ring will act on the inclined surface at the top of the clamping rod 2, and intermittently press the clamping rod 2 downward, so that the clamping rod 2 will not interfere with the rotation of the circular ring, and when the reel drives the circular ring to rotate in the opposite direction, the clamping rod 2 will clamp the flange and make the circular ring unable to rotate, thereby fixing the main shaft.

[0008] Preferably, the stop assembly includes a sleeve disk fixedly mounted on the end of the main shaft, and the circumferential outer wall of the sleeve disk is provided with a plurality of slots distributed in a circular array, and magnetic blocks are fixed in the slots, and a pair of ear blocks three fixed on the vertical plate one are arranged below the sleeve disk, and a guide column three is fixed on the top of the ear block three, and the same slide plate three is slidably connected between the two guide columns three, and a clamping rod three is passed through and fixed on the slide plate three, and an electromagnet is embedded on the top of the clamping rod three, and the electromagnet is connected to an energizing assembly. When the reel is rotated clockwise by the crank handle, the energizing assembly supplies a positive current to the electromagnet, so that the electromagnet generates a repulsive force on the magnetic block, so that the clamping rod three will not interfere with the rotation of the sleeve disk, and when the reel drives the sleeve disk to rotate in the opposite direction, the energizing assembly will supply a reverse current to the electromagnet, so that the electromagnet generates an attractive force on the magnetic block, so that the clamping rod three will move upward and be inserted into one of the slots, so that the sleeve disk cannot rotate, thereby fixing the main shaft.

[0009] Preferably, the power-on component includes a generator electrically connected to the electromagnet, the generator is fixed on the inner surface of the vertical plate, the generator output shaft is connected to a gear, a gear ring is fixedly sleeved on the main shaft, the gear ring is meshingly connected to the gear, when the drum rotates clockwise, the generator supplies a forward current to the electromagnet, and when the drum rotates counterclockwise, the generator supplies a reverse current to the electromagnet.

[0010] Preferably, a pair of vertical plates 2 distributed on both sides are fixed on the top of the base plate, and a pair of shaft columns distributed up and down are rotatably connected between the two vertical plates 2. A cable tie wheel is fixedly sleeved on the shaft column. The free end of the cable is passed through the two cable tie wheels and then wound onto the drum. In this way, the cable can be constrained by the cable tie wheel, thereby preventing the cable from being deflected when the cable is tightened.

[0011] Preferably, a vertical plate three located between the cable tie wheel and the drum is fixed on the top of the base plate, and a pair of clamping blocks symmetrically distributed up and down are provided on the front end surface of the vertical plate three, and the arc surfaces of the two clamping blocks are opposite to each other, and an elastic connection is formed between the clamping blocks and the vertical plate three, and an arc groove for the cable to pass through is opened on the arc surface, and a wiping strip covering the arc groove is detachably fixed on the arc surface. The free end of the cable is passed through the cable tie wheel and then between the two clamping blocks, and then the free end of the cable is wound around the drum, so that when the cable is tightened, the two clamping blocks can remove dust, mud and the like on the cable through the wiping strip, thereby preventing the cable surface from being worn after winding.

[0012] Preferably, a pair of guide sleeves are fixed to the front end surface of the vertical plate three, guide rods are inserted in the guide sleeves, the ends of the guide rods are fixed on the corresponding clamping blocks, spring three is sleeved on the guide rods, and the two ends of the spring three are respectively fixedly connected to the guide sleeves and the clamping block, so that the elastic force of the spring three can act on the clamping block to clamp the cable.

[0013] Preferably, a pair of poles for winding the cable are fixed to the circumferential outer wall of the drum, so that the free end of the cable can be wound several times between the two poles, and then the cable can be reeled in by the drum.

[0014] Compared with the prior art, the present invention provides a power construction tightening device, which has the following beneficial effects: 1. A power construction tightening device, which is provided with a stop assembly, and the main shaft is rotated by a crank to drive the drum to rotate, and the drum will reel in the cable, thereby gradually tightening the cable. When the drum is rotated in the opposite direction by the force of the cable, the stop assembly will fix the main shaft to prevent the drum from reversing.

[0015] 2. A power construction line tightening device, by setting a clamping rod 1, when the drum is rotated clockwise by the crank handle, the ratchet teeth of the ratchet wheel will intermittently press the clamping rod 1 downward, so that the clamping rod 1 will not interfere with the rotation of the ratchet wheel, and when the drum drives the ratchet wheel to rotate in the opposite direction, the clamping rod 1 will clamp the ratchet teeth and make the ratchet wheel unable to rotate, thereby fixing the main shaft.

[0016] 3. A power construction tightening device, by setting a clamping rod 2, when the drum is rotated clockwise by the crank handle, the flange on the ring will act on the inclined surface at the top of the clamping rod 2, and intermittently press the clamping rod 2 downward, so that the clamping rod 2 will not interfere with the rotation of the ring, and when the drum drives the ring to rotate in the opposite direction, the clamping rod 2 will clamp the flange and prevent the ring from rotating, thereby fixing the main shaft.

[0017] 4. A power construction tightening device, by setting a clamping rod three, when the drum is rotated clockwise by the crank handle, the power-on component will pass a positive current to the electromagnet, so that the electromagnet has a repulsive force on the magnetic block, so that the clamping rod three will not interfere with the rotation of the sleeve disc, and when the drum drives the sleeve disc to rotate in the opposite direction, the power-on component will pass a reverse current to the electromagnet, so that the electromagnet has an attractive force on the magnetic block, so that the clamping rod three will move upward and insert into one of the slots, so that the sleeve disc cannot rotate, thereby fixing the main shaft.

[0018] 5. A power construction tightening device, by setting a power-on component, when the drum rotates clockwise, the generator will pass a positive current to the electromagnet, and when the drum rotates counterclockwise, the generator will pass a reverse current to the electromagnet.

[0019] 6. A power construction tightening device, which sets a clamping block, passes the free end of the cable through the cable tie wheel and then passes it between two clamping blocks, and then winds the free end of the cable onto the drum. In this way, when tightening the cable, the two clamping blocks can remove dust and sand on the cable through the wiping strip, thereby preventing the cable surface from being worn after winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a power construction tightening device proposed by the present invention; Figure 2 A schematic diagram of the ratchet installation structure of a power construction tightening device proposed by the present invention; Figure 3 This is a schematic diagram of the circular installation structure of a power construction tightening device proposed by the present invention; Figure 4 A schematic diagram of the generator installation structure of a power construction tightening device proposed by the present invention; Figure 5 This is a schematic diagram of the sleeve disc installation structure of a power construction tightening device proposed by the present invention; Figure 6 This is a schematic diagram of the installation structure of an electromagnet of a power construction tightening device proposed by the present invention; Figure 7 This is a schematic diagram of the installation structure of a clamp block of a power construction tightening device proposed by the present invention; Figure 8 The present invention provides a schematic diagram of the clamping block structure of a power construction line tightening device.

[0021] In the figure: 1, bottom plate; 2, vertical plate 1; 3, main shaft; 4, reel; 5, crank handle; 6, universal wheel; 7, handle; 8, ratchet; 9, clamping rod 1; 10, ear block 1; 11, guide column 1; 12, spring 1; 13, slide plate 1; 14, ear block 2; 15, guide column 2; 16, slide plate 2; 17, clamping rod 2; 18, spring 2; 19, ring; 20, flange; 21, sleeve ; 22. Slot; 23. Magnetic block; 24. Ear block three; 25. Guide column three; 26. Clamp rod three; 27. Electromagnet; 28. Vertical plate two; 29. ​​Shaft column; 30. Cable pulley; 31. Vertical plate three; 32. Clamp block; 33. Wiping strip; 34. Guide sleeve; 35. Guide rod; 36. Spring three; 37. Arc groove; 38. Column rod; 39. Generator; 40. Gear; 41. Gear ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] Reference Figure 1-Figure 8 A power construction tightening device comprises a base plate 1, a handle 7 is fixed at one end of the top of the base plate 1, a plurality of universal wheels 6 are installed at the bottom of the base plate 1, a pair of vertical plates 2 distributed on both sides are fixed on the top of the base plate 1, and the same main shaft 3 is rotatably connected between the two vertical plates 2, a reel 4 is fixedly sleeved on the main shaft 3, a crank 5 is fixed at one end of the main shaft 3, and a stop assembly is connected to the other end of the main shaft 3. The device is moved to a predetermined position by the handle 7, and then the free end of the cable is first wound around the reel 4 for several turns, and then the main shaft 3 is rotated by the crank 5 to drive the reel 4 to rotate, and the reel 4 will reel in the cable, thereby gradually tightening the cable. When the reel 4 is rotated in the opposite direction by the force of the cable, the stop assembly will fix the main shaft 3, thereby preventing the reel 4 from reversing.

[0025] In embodiment 1, the stop assembly includes a ratchet 8 fixedly sleeved on the end of the main shaft 3, a pair of ear blocks 10 fixed on the vertical plate 2 are arranged below the ratchet 8, a guide column 11 is fixed on the top of the ear block 10, and the same slide plate 13 is slidably connected between the two guide columns 11, and a clamping rod 9 that can enter the tooth gap of the ratchet 8 is fixed on the top of the slide plate 13, and a spring 12 is sleeved on the guide column 11, and the two ends of the spring 12 are respectively fixed on the guide column 11 and the slide plate 13. When the reel 4 is rotated clockwise by the crank handle 5, the ratchet teeth of the ratchet 8 will intermittently press the clamping rod 9 downward, so that the clamping rod 9 will not interfere with the rotation of the ratchet 8, and when the reel 4 drives the ratchet 8 to rotate in the opposite direction, the clamping rod 9 will jam the ratchet teeth and make the ratchet 8 unable to rotate, thereby fixing the main shaft 3.

[0026] In the second embodiment, the stop assembly includes a circular ring 19 fixedly sleeved on the end of the main shaft 3, and a plurality of flanges 20 distributed in a circular array are provided on the circumferential outer wall of the circular ring 19. A pair of ear blocks 14 fixed on the vertical plate 2 are provided below the circular ring 19, and a guide column 15 is fixed on the top of the ear block 14. The same slide plate 16 is slidably connected between the two guide columns 15. A clamping rod 17 capable of entering between two adjacent flanges 20 is fixed on the top of the slide plate 16. The top of the clamping rod 17 is a right-angled triangle structure. The guide column 15 is fixed on the top of the vertical plate 2. A spring 2 18 is sleeved on 15, and the two ends of the spring 2 18 are fixedly connected to the guide column 2 15 and the slide plate 2 16 respectively. When the reel 4 is rotated clockwise by the crank 5, the flange 20 on the ring 19 will act on the inclined surface of the top of the clamping rod 2 17, and intermittently press the clamping rod 2 17 downward, so that the clamping rod 2 17 will not interfere with the rotation of the ring 19. When the reel 4 drives the ring 19 to rotate in the opposite direction, the clamping rod 2 17 will clamp the flange 20 and make the ring 19 unable to rotate, thereby fixing the main shaft 3.

[0027] In embodiment 3, the stop assembly includes a sleeve disk 21 fixedly mounted on the end of the main shaft 3, and a plurality of slots 22 distributed in a circular array are provided on the circumferential outer wall of the sleeve disk 21, and a magnetic block 23 is fixed in the slot 22. A pair of ear blocks 24 fixed on the vertical plate 2 are arranged below the sleeve disk 21, and a guide column 25 is fixed on the top of the ear block 24. A same slide plate 3 is slidably connected between the two guide columns 25, and a clamping rod 3 26 is fixed on the slide plate 3, and an electromagnet 27 is embedded on the top of the clamping rod 3 26, and the electromagnet 27 is connected to the power supply assembly When the reel 4 is rotated clockwise by the crank 5, the energizing component supplies a positive current to the electromagnet 27, causing the electromagnet 27 to produce a repulsive force on the magnetic block 23, so that the clamping rod three 26 will not interfere with the rotation of the sleeve disk 21. When the reel 4 drives the sleeve disk 21 to rotate in the opposite direction, the energizing component will supply a reverse current to the electromagnet 27, causing the electromagnet 27 to produce an attractive force on the magnetic block 23, so that the clamping rod three 26 will move upward and be inserted into one of the slots 22, thereby preventing the sleeve disk 21 from rotating, thereby fixing the main shaft 3.

[0028] Among them, the power-on component includes a generator 39 electrically connected to the electromagnet 27. The generator 39 is fixed on the inner surface of the vertical plate 2. The output shaft of the generator 39 is connected to a gear 40. A ring gear 41 is fixedly sleeved on the main shaft 3. The ring gear 41 is meshed with the gear 40. When the drum 4 rotates clockwise, the generator 39 supplies a forward current to the electromagnet 27. When the drum 4 rotates counterclockwise, the generator 39 supplies a reverse current to the electromagnet 27.

[0029] Furthermore, a pair of vertical plates 28 distributed on both sides are fixed to the top of the base plate 1, and a pair of shaft columns 29 distributed up and down are rotatably connected between the two vertical plates 28. A cable tie wheel 30 is fixedly sleeved on the shaft column 29. The free end of the cable is passed through the two cable tie wheels 30 and then wound onto the drum 4. In this way, the cable can be constrained by the cable tie wheel 30, thereby preventing the cable from being deflected when the cable is tightened.

[0030] Furthermore, a vertical plate three 31 located between the cable tying wheel 30 and the drum 4 is fixed on the top of the base plate 1, and a pair of clamping blocks 32 symmetrically distributed up and down are provided on the front end surface of the vertical plate three 31, and the arc surfaces of the two clamping blocks 32 are opposite to each other, and an elastic connection is formed between the clamping blocks 32 and the vertical plate three 31, and an arc groove 37 for the cable to pass through is opened on the arc surface, and a wiping strip 33 covering the arc groove 37 is detachably fixed on the arc surface, and the wiping strip 33 can be installed on the arc surface by means of snap fasteners, Velcro, bonding and bolting. After the free end of the cable passes through the cable tying wheel 30, it passes between the two clamping blocks 32, and then the free end of the cable is wound around the drum 4. In this way, when the cable is tightened, the two clamping blocks 32 can remove dust and sand on the cable through the wiping strip 33, thereby preventing the cable from being worn after winding.

[0031] Among them, a pair of guide sleeves 34 are fixed to the front end surface of the vertical plate three 31, and a guide rod 35 is inserted in the guide sleeve 34. The end of the guide rod 35 is fixed on the corresponding clamping block 32. A spring three 36 is sleeved on the guide rod 35, and the two ends of the spring three 36 are respectively fixedly connected to the guide sleeve 34 and the clamping block 32, so that the elastic force of the spring three 36 can act on the clamping block 32 to clamp the cable.

[0032] Furthermore, a pair of poles 38 for winding the cable are fixed to the circumferential outer wall of the reel 4 , so that the free end of the cable can be wound several times between the two poles 38 , and then the cable can be reeled in by the reel 4 .

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A power construction tightening device, comprising a base plate (1), characterized in that: A handle (7) is fixed at one end of the top of the base plate (1), a plurality of universal wheels (6) are installed at the bottom of the base plate (1), a pair of vertical plates (2) distributed on both sides are fixed at the top of the base plate (1), a main shaft (3) is rotatably connected between the two vertical plates (2), a reel (4) is fixedly sleeved on the main shaft (3), a crank (5) is fixed at one end of the main shaft (3), and a stop assembly is connected to the other end of the main shaft (3), and the stop assembly is used to fix the main shaft (3) when the reel (4) is rotated in the opposite direction due to the force of the cable.

2. The power construction tightening device according to claim 1, characterized in that: The stop assembly comprises a ratchet (8) fixedly sleeved on the end of the main shaft (3), a pair of ear blocks (10) fixed on a vertical plate (2) are arranged below the ratchet (8), a guide column (11) is fixed on the top of the ear block (10), a slide plate (13) is slidably connected between the two guide columns (11), a clamping rod (9) capable of entering the tooth gap of the ratchet (8) is fixed on the top of the slide plate (13), a spring (12) is sleeved on the guide column (11), and the two ends of the spring (12) are respectively fixed on the guide column (11) and the slide plate (13).

3. The power construction tightening device according to claim 1, characterized in that: The stop assembly comprises a circular ring (19) fixedly sleeved on the end of the main shaft (3), the circumferential outer wall of the circular ring (19) is provided with a plurality of flanges (20) distributed in an annular array, a pair of ear blocks (14) fixed on the vertical plate (2) are arranged below the circular ring (19), a guide column (15) is fixed on the top of the ear block (14), a slide plate (16) is slidably connected between the two guide columns (15), a clamping rod (17) capable of entering between two adjacent flanges (20) is fixed on the top of the slide plate (16), the top of the clamping rod (17) is a right-angled triangle structure, a spring (18) is sleeved on the guide column (15), and the two ends of the spring (18) are respectively fixedly connected to the guide column (15) and the slide plate (16).

4. The power construction tightening device according to claim 1, characterized in that: The stop assembly comprises a sleeve disc (21) fixedly mounted on the end of the main shaft (3), a plurality of slots (22) distributed in an annular array are provided on the circumferential outer wall of the sleeve disc (21), a magnetic block (23) is fixed in the slot (22), a pair of ear blocks (24) fixed on the vertical plate (2) are arranged below the sleeve disc (21), a guide column (25) is fixed on the top of the ear block (24), a slide plate (3) is slidably connected between the two guide columns (25), a clamping rod (26) is fixed through the slide plate (3), an electromagnet (27) is embedded on the top of the clamping rod (26), and the electromagnet (27) is connected to the power supply assembly.

5. The power construction tightening device according to claim 4, characterized in that: The power supply assembly comprises a generator (39) electrically connected to the electromagnet (27); the generator (39) is fixed to the inner surface of the vertical plate (2); the output shaft of the generator (39) is connected to a gear (40); a gear ring (41) is fixedly sleeved on the main shaft (3); and the gear ring (41) is meshingly connected to the gear (40).

6. The power construction tightening device according to claim 1, characterized in that: A pair of vertical plates (28) distributed on both sides are fixed to the top of the bottom plate (1), a pair of shaft columns (29) distributed up and down are rotatably connected between the two vertical plates (28), and a cable tie wheel (30) is fixedly sleeved on the shaft column (29).

7. The power construction tightening device according to claim 6, characterized in that: A vertical plate three (31) located between the cable tie wheel (30) and the reel (4) is fixed on the top of the bottom plate (1), and a pair of clamping blocks (32) symmetrically distributed up and down are arranged on the front end surface of the vertical plate three (31), and the arc surfaces of the two clamping blocks (32) are opposite to each other, and an elastic connection is formed between the clamping blocks (32) and the vertical plate three (31), and an arc groove (37) for the cable to pass through is opened on the arc surface, and a wiping strip (33) covering the arc groove (37) is detachably fixed on the arc surface.

8. The power construction tightening device according to claim 7, characterized in that: A pair of guide sleeves (34) are fixed to the front end surface of the vertical plate (31), a guide rod (35) is inserted into the guide sleeve (34), the end of the guide rod (35) is fixed to the corresponding clamping block (32), a spring (36) is sleeved on the guide rod (35), and the two ends of the spring (36) are respectively fixedly connected to the guide sleeve (34) and the clamping block (32).

9. The power construction tightening device according to claim 1, characterized in that: A pair of poles (38) for winding cables are fixed to the circumferential outer wall of the drum (4).

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