Cable erection installation tensioning device

Abstract

The application discloses a cable erecting installation tensioning device and relates to the technical field of cable installation. The cable erecting installation tensioning device comprises a tensioning shell, an assembling structure is arranged on one side of the tensioning shell, the tensioning shell is in a V shape, rotating discs are rotatably arranged at both ends in the tensioning shell, one end of a cable is inserted into a clamping hole through a wire hole in a wire holder, under the action of a wire clamping structure, a winding rod can well wind the cable, a user can rotate the rotating disc through a handle, the rotating disc drives the rotating disc above to rotate through a first rotating block, the winding rod rotates, the cable can be wound and tensioned, when the first rotating block rotates, the first rotating block drives a reciprocating screw rod to rotate through a transmission chain wheel and a transmission chain, the wire holder can repeatedly move along a guide rod, the cable can be uniformly wound on the surface of the winding rod, cable knotting is avoided, and the use in the later period is not affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable installation, in particular to a cable erection installation tensioning device. BACKGROUND

[0002] The cable is a kind of power or signal transmission device, usually composed of several or several groups of wires, and the cable is inevitably pulled tight during erection and installation, and the connection work between the cables is carried out. However, if the cable is directly pulled tight by manual operation, the physical consumption of manual operation is large, so the tensioning device needs to be used.

[0003] As disclosed in the publication No. CN115621908A, a kind of tensioning device for cable erection installation, relates to the technical field of cable installation, including: carrier, the front side of the carrier is rotationally installed with tensioning shaft body;The front side left end of the carrier is provided with transmission part, and transmission part is "L" shaped structure;The front side right end of the carrier is rotationally installed with swing shaft body;Hand wheel is arranged on the tensioning shaft body below. The application adds a pushing tensioning mechanism on the basis of rotating tensioning, and the reasonable cooperation of the two mechanisms ensures the tensioning effect of the cable, and only needs to rotate hand wheel to synchronously operate two mechanisms, so that two mechanisms can synchronously tension the cable, ensure the tensioning efficiency of the cable, without manual operation or separately equipped with power driven equipment for two mechanisms, solve the problem that most of the existing devices rely on manual rotation of winch and other similar objects to tension the cable, the tensioning mode of the cable is single, which leads to low tensioning efficiency.

[0004] The existing cable erection installation tensioning device winds and tensions the cable through winding rod, but in the process of rotating tensioning, the winding rod is easily reversed under the action of cable rebound force, so that the cable cannot be tensioned, and in the process of winding and tensioning, the cable is wound on the surface of the winding rod, which is easily wound together, disorderly, and affects the later use. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a kind of cable erection installation tensioning device, to solve the problems raised above.

[0006] In order to achieve the above object, the present application is realized by the following technical scheme: a cable erection installation tensioning device, comprising a tensioning shell, one side of the tensioning shell is provided with an assembly structure, the tensioning shell is in the shape of a V, both ends of the tensioning shell inside are rotatably installed with rotating discs, a winding rod is fixedly installed between the two rotating discs, the middle of the winding rod is provided with a wire clamping structure, both ends of one side of the tensioning shell are fixedly installed with mounting blocks, a reciprocating screw rod is rotatably installed between the two mounting blocks, a guide rod is fixedly installed between the two mounting blocks, a wire guide seat is slidably installed between the reciprocating screw rod and the guide rod, a wire guide hole is formed in the surface of the wire guide seat, a first rotating block is fixedly installed on the upper end of the rotating disc located above, the first rotating block is in transmission connection with the reciprocating screw rod through a transmission sprocket and a transmission chain, a second rotating block is arranged on the lower end of the rotating disc located below, and an anti-reverse rotation structure is arranged on the lower end of the second rotating block.

[0007] Preferably, the upper end of the tensioning shell is fixedly installed with a fixed seat, the upper end of the fixed seat is rotatably installed with a rotating plate, the rotating plate is in the shape of a circle, the upper end of the rotating plate is fixedly installed with a handle, and the upper end of the first rotating block is fixedly connected with the rotating plate.

[0008] Preferably, both ends of the wire guide seat are respectively provided with a threaded hole and a through hole, the reciprocating screw rod and the guide rod are movably inserted into the threaded hole and the through hole respectively, a pressing rod is movably installed on one side of the wire guide seat, the pressing rod has at least three and is circularly distributed about the wire guide hole, and a pressing wheel is rotatably installed on one end of the pressing rod.

[0009] Preferably, both ends of one side of the wire guide seat are fixedly installed with mounting racks, the mounting racks are in the shape of L, a sliding rod is fixedly installed in the inside of the mounting rack, the sliding rod is located on one side of the pressing rod, a sliding seat is movably sleeved on the surface of the sliding rod, a movable supporting rod is movably installed on one side of the sliding seat, one end of the movable supporting rod is movably connected with the pressing rod, and a supporting spring connected with the sliding seat is sleeved on the surface of the sliding rod.

[0010] Preferably, the assembly structure comprises two double-threaded screws, the two double-threaded screws are rotatably installed in the inside of one side of the tensioning shell, the two double-threaded screws are in transmission connection with each other through a transmission sprocket and a transmission chain, and one end of one of the double-threaded screws extends to the outside of the tensioning shell and is provided with a handle.

[0011] Preferably, a moving groove is formed in one side of the tensioning shell, the moving groove is located on one side of the double-threaded screw, movable screw sleeves are movably sleeved on both ends of the double-threaded screw, clamping seats are installed on one end of the movable screw sleeves penetrating through the moving groove, and clamping holes are formed in opposite sides of the two clamping seats.

[0012] Preferably, the card line structure includes a card hole, the card hole is opened in the middle of the winding rod, the inside of the winding rod is provided with a movable slot, the inside of the movable slot movably installs a movable block, the upper end of the movable block is fixedly installed with a compression spring, and the lower end of the movable block is fixedly installed with a clamping rod.

[0013] Preferably, the surface of the winding rod is provided with a groove, the inside of the groove is provided with a sliding groove connected with the movable slot, the inside of the sliding groove is penetrated through a sliding block connected with the movable block, and the inside of the groove movably installs an adjusting ring.

[0014] Preferably, the anti-reverse structure includes a supporting sleeve, the supporting sleeve is fixedly installed at the lower end of the tensioning shell, the lower end of the second rotating block movably penetrates into the inside of the supporting sleeve and is installed with a staggered gear, the lower end of the adjusting rod movably penetrates into the supporting sleeve, the lower end of the adjusting rod is located outside the supporting sleeve and is installed with a handle, the upper end of the adjusting rod is fixedly installed with a staggered gear disc, and the staggered gear disc is clamped with the staggered gear.

[0015] Preferably, the lower end of the inside of the supporting sleeve is rotatably installed with a ratchet wheel, the adjusting rod movably penetrates into the inside of the ratchet wheel, the two sides of the adjusting rod are provided with connecting grooves, the two sides of the inside of the ratchet wheel are provided with connecting blocks, the connecting blocks are slidably connected with the connecting grooves, the surface of the adjusting rod is sleeved with a clamping spring connected with the staggered gear disc and the ratchet wheel, the lower end of the inside of the supporting sleeve is rotatably installed with a movable clamping block matched with the ratchet wheel, and one side of the movable clamping block is provided with a return spring.

[0016] The application provides a cable erection installation tensioning device, which has the following beneficial effects compared with the prior art:

[0017] 1. The cable erection installation tensioning device, the user can place the tensioning shell on one side of the telegraph pole, the user rotates one of the two double-threaded screws through the handle, the two double-threaded screws are synchronously rotated under the action of the transmission sprocket and the transmission chain, the moving sleeve moves in the opposite direction along the double-threaded screw under the action of the screw thread, the clamping seat clamps the telegraph pole, and therefore the installation and disassembly of the tensioning shell are facilitated.

[0018] 2. This type of cable installation tensioning device involves inserting one end of the cable through the wire hole on the conductor seat into the clamping hole. Under the action of the clamping structure, the winding rod can effectively wind up the cable. The user can rotate the rotating plate by holding the handle. The rotating plate drives the rotating disk above to rotate through the first rotating block, causing the winding rod to rotate and tighten the cable. When the first rotating block rotates, it drives the reciprocating screw to rotate through the transmission sprocket and transmission chain, allowing the conductor seat to move repeatedly along the guide rod, making it easy to evenly wind the cable on the surface of the winding rod and avoid cable knots, which would affect later use.

[0019] 3. This type of cable installation tensioning device, when the wire is inserted into the wire hole, the support spring supports the sliding seat, and the sliding seat supports the clamping rod through the movable support rod, so that the clamping wheel at one end of the clamping rod is in contact with both sides of the cable, so that cables of different widths can always be kept in the middle of the wire hole, which enhances the winding and tensioning effect, and can further prevent the cable from tangling and knotting.

[0020] 4. This type of cable installation tensioning device, when the winding rod rotates, drives the rotating disk to rotate, and the second rotating block of the rotating disk rotates. The adjusting rod, under the action of the locking spring, supports the misaligned toothed disk. The misaligned toothed disk is engaged with the misaligned gear. The rotating block drives the adjusting rod to rotate through the misaligned toothed disk and the misaligned gear. The adjusting rod drives the ratchet to rotate through the connecting block and the connecting groove. Under the action of the movable locking block, the ratchet cannot rotate in the opposite direction, so the adjusting rod, the second rotating block and the winding rod cannot rotate in the opposite direction, thus strengthening the cable tensioning effect. When it is necessary to loosen the cable, the user pulls the adjusting rod down through the handle. The adjusting rod drives the misaligned toothed disk to move down and disengage from the misaligned gear, so that the second rotating block and the winding rod can rotate in the opposite direction, thereby achieving the cable unwinding effect. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the surface structure of the present invention;

[0022] Figure 2 This is a side view of the present invention;

[0023] Figure 3 This is a schematic diagram of the half-section structure of the present invention;

[0024] Figure 4 For the present invention Figure 3 Enlarged schematic diagram of the structure at point A;

[0025] Figure 5 For the present invention Figure 3 Enlarged structural diagram at point B;

[0026] Figure 6A schematic view of the wire seat structure of the present application;

[0027] Figure 7 A schematic view of the wire seat structure of the present application; Figure 6 A schematic view of the enlarged structure at C in the middle;

[0028] Figure 8 A schematic view of the anti-reverse structure of the present application.

[0029] In the figure: 100, tensioning housing; 101, moving groove; 110, rotating disc; 120, winding rod; 121, clamping hole; 122, movable groove; 123, recess; 124, sliding groove; 125, adjusting ring; 126, sliding block; 127, clamping rod; 128, compression spring; 129, movable block; 130, fixed seat; 131, rotating plate; 132, handle; 140, first rotating block; 150, second rotating block; 151, staggered gear; 200, mounting block; 210, reciprocating screw rod; 220, guide rod; 300, wire seat; 301, wire hole; 310, mounting frame; 311, sliding rod; 312, sliding seat; 313, movable support rod; 314, support spring; 320, compression rod; 321, compression wheel; 400, clamping seat; 401, clamping hole; 410, double thread screw; 411, moving screw sleeve; 500, support sleeve; 510, ratchet wheel; 511, return spring; 512, movable clamping block; 513, connecting block; 520, adjusting rod; 521, staggered gear disc; 522, connecting groove; 523, handle; 530, clamping spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to Figures 1 to 3The utility model provides a cable erection installation tensioner, including tensioner casing 100, the one side of tensioner casing 100 is provided with assembly structure, tensioner casing 100 is the shape of the concave, both ends in tensioner casing 100 are rotatably installed rotating disc 110, and the both ends of two rotating discs 110 are fixedly installed winding rod 120, and the middle of winding rod 120 is provided with wire clamping structure, and both ends of the one side of tensioner casing 100 are fixedly installed mounting block 200, and reciprocating screw rod 210 is rotatably installed between two mounting blocks 200, and guide rod 220 is fixedly installed between two mounting blocks 200, and wire guide seat 300 is slidably installed between reciprocating screw rod 210 and guide rod 220, the surface of wire guide seat 300 is provided with wire hole 301, the upper end of rotating disc 110 is fixedly installed first rotating block 140, and first rotating block 140 is in transmission with reciprocating screw rod 210 through transmission chain wheel and transmission chain, and the upper end of tensioner casing 100 is fixedly installed fixed seat 130, and the upper end of fixed seat 130 is rotatably installed rotating plate 131, and rotating plate 131 is the shape of the circle, and the upper end of rotating plate 131 is fixedly installed handle 132, and the upper end of first rotating block 140 is fixedly connected with rotating plate 131;

[0032] In the embodiment, one end of the cable is inserted into the clamping hole 121 by penetrating the wire hole 301 on the wire guide seat 300, under the action of the wire clamping structure, the winding rod 120 can well wind the cable, the user can rotate the rotating plate 131 through the handle 132, the rotating plate 131 drives the upper rotating disc 110 to rotate through the first rotating block 140, so that the winding rod 120 rotates and can wind and tension the cable, when the first rotating block 140 rotates, the first rotating block 140 drives the reciprocating screw rod 210 to rotate through the transmission chain wheel and the transmission chain, so that the wire guide seat 300 can repeatedly move along the guide rod 220, which facilitates the cable to be uniformly wound on the surface of the winding rod 120, avoids the cable knotting and affects the later use.

[0033] Please refer to Figure 3 、 Figure 6 and Figure 7The utility model provides a kind of cable erection installation tensioning device, threaded hole and through-hole are set in the both ends of wire seat 300 respectively, reciprocating screw rod 210 and guide rod 220 are respectively inserted in the inside of threaded hole and through-hole, tensioning rod 320 is movably installed on the side of wire seat 300, tensioning rod 320 has at least three and about wire hole 301 is circularly distributed, tensioning wheel 321 is rotatably installed at the end of tensioning rod 320, mounting bracket 310 is fixedly installed at the both ends of the side of wire seat 300, mounting bracket 310 is L-shaped, slide rod 311 is fixedly installed in the inside of mounting bracket 310, slide rod 311 is located at the side of tensioning rod 320, slide seat 312 is movably sleeved on the surface of slide rod 311, movable support rod 313 is movably installed on the side of slide seat 312, movable support rod 313 is movably connected with tensioning rod 320 at one end, support spring 314 is sleeved on the surface of slide rod 311 and connected with slide seat 312;

[0034] In the embodiment, when the wire is inserted into the wire hole 301, the support spring 314 supports the slide seat 312, the slide seat 312 supports the tensioning rod 320 through the movable support rod 313, so that the tensioning wheel 321 at one end of the tensioning rod 320 is attached to the two sides of the cable, so that the cable of different widths can be kept in the middle of the wire hole 301 at all times, and the winding tensioning effect is enhanced, and the cable winding knot can be further prevented.

[0035] Please refer to Figure 2 A kind of cable erection installation tensioning device, assembly structure includes two double thread screws 410, two double thread screws 410 are rotatably installed in the inside of one side of tensioning shell 100, two double thread screws 410 are connected with each other by transmission chain wheel and transmission chain, one end of one of double thread screws 410 extends to the outside of tensioning shell 100 and is equipped with handle, one side of tensioning shell 100 is provided with moving groove 101, moving groove 101 is located at the side of double thread screw 410, mobile screw sleeve 411 is movably sleeved at the both ends of double thread screw 410, clamping seat 400 is installed at one end of mobile screw sleeve 411 and penetrates moving groove 101, two clamping seats 400 are provided with clamping hole 401 on the opposite side;

[0036] In the embodiment, the user can place the tensioning shell 100 on one side of the telegraph pole, the user rotates one of the double thread screws 410 by the handle, the two double thread screws 410 are synchronously rotated under the action of the transmission chain wheel and the transmission chain, the mobile screw sleeve 411 moves in the opposite direction along the double thread screw 410 under the action of the thread, so that the clamping seat 400 clamps the telegraph pole, thereby facilitating the installation and disassembly of the tensioning shell 100.

[0037] Please refer to Figure 3 And Figure 4The cable erecting and installing tensioning device, the clamping structure comprises a clamping hole 121, the clamping hole 121 is arranged in the middle of the winding rod 120, the inside of the winding rod 120 is provided with a movable groove 122, the movable block 129 is movably arranged in the movable groove 122, the upper end of the movable block 129 is fixedly provided with a compression spring 128, the lower end of the movable block 129 is fixedly provided with a clamping rod 127, the lower end of the clamping rod 127 is movably inserted into the inside of the clamping hole 121, the surface of the winding rod 120 is provided with a groove 123, the inside of the groove 123 is provided with a sliding groove 124 connected with the movable groove 122, the sliding groove 124 is provided with a sliding block 126 connected with the movable block 129, the inside of the groove 123 is movably provided with an adjusting ring 125, the adjusting ring 125 is connected with the sliding block 126, and the outer diameter of the adjusting ring 125 is equal to the outer diameter of the winding rod 120.

[0038] In the embodiment, the user pulls the adjusting ring 125 upwards, the adjusting ring 125 drives the movable block 129 to move in the movable groove 122 through the sliding block 126, the compression spring 128 is compressed, the clamping rod 127 is retracted into the inside of the clamping hole 121, the user inserts one end of the cable into the inside of the clamping hole 121, the user releases the adjusting ring 125, the clamping rod 127 and the movable block 129 move downwards under the action of the compression spring 128, the clamping rod 127 clamps one end of the cable, and the cable is limited in the inside of the clamping hole 121, so that the winding rod 120 conveniently rotates the cable.

[0039] Please refer to Figure 3 and Figure 8 The cable erecting and installing tensioning device, the lower end of the rotating disc 110 located below is provided with a second rotating block 150, the lower end of the second rotating block 150 is provided with an anti-reverse structure, the anti-reverse structure comprises a supporting sleeve 500, the supporting sleeve 500 is fixedly installed at the lower end of the tensioning shell 100, the lower end of the second rotating block 150 is movably inserted into the inside of the supporting sleeve 500 and is provided with a staggered gear 151, the lower end of the adjusting rod 520 is movably inserted into the inside of the supporting sleeve 500, the lower end of the adjusting rod 520 is located outside the supporting sleeve 500 and is provided with a handle 523, the upper end of the adjusting rod 520 is fixedly provided with a staggered gear disc 521, the staggered gear disc 521 is clamped with the staggered gear 151, the lower end of the inside of the supporting sleeve 500 is rotatably provided with a ratchet wheel 510, the adjusting rod 520 is movably inserted into the inside of the ratchet wheel 510, the two sides of the adjusting rod 520 are provided with connecting grooves 522, the two sides of the inside of the ratchet wheel 510 are provided with connecting blocks 513, the connecting blocks 513 are slidably connected with the connecting grooves 522, the surface of the adjusting rod 520 is provided with a clamping spring 530 connected with the staggered gear disc 521 and the ratchet wheel 510, the lower end of the inside of the supporting sleeve 500 is rotatably provided with a movable clamping block 512 matched with the ratchet wheel 510, one side of the movable clamping block 512 is provided with a return spring 511.

[0040] In the embodiment, when the winding rod 120 rotates, the rotating disc 110 rotates, the second rotating block 150 of the rotating disc 110 rotates, the adjusting rod 520 supports the staggered tooth disc 521 under the action of the clamping spring 530, the staggered tooth disc 521 is clamped with the staggered gear 151, the rotating block drives the adjusting rod 520 to rotate through the staggered tooth disc 521 and the staggered gear 151, the adjusting rod 520 drives the ratchet wheel 510 to rotate through the connecting block 513 and the connecting groove 522, the ratchet wheel 510 cannot be reversely rotated under the action of the movable clamping block 512, the adjusting rod 520, the second rotating block 150 and the winding rod 120 cannot be reversely rotated, and the tensioning effect of the cable is strengthened; when the cable needs to be loosened, the user pulls down the adjusting rod 520 through the handle 523, the adjusting rod 520 drives the staggered tooth disc 521 to move downwards, the staggered tooth disc 521 is disengaged from the staggered gear 151, the second rotating block 150 and the winding rod 120 can be reversely rotated, and the effect of paying out the cable is achieved.

[0041] Working principle: the user can put the tensioning shell 100 on one side of the telegraph pole, the user rotates one of the two thread rods 410 through the handle, the two thread rods 410 rotate synchronously under the action of the transmission sprocket and the transmission chain, the moving sleeve 411 moves in the opposite direction along the thread rod 410 under the action of the thread, so that the clamping seat 400 clamps the telegraph pole, thereby facilitating the installation and removal of the tensioning shell 100, one end of the cable is inserted into the inside of the clamping hole 121 through the wire hole 301 on the wire seat 300, the user pulls the adjusting ring 125 upwards, the adjusting ring 125 drives the movable block 129 to move in the movable slot 122, the compression spring 128 is compressed, the clamping rod 127 is retracted into the clamping hole 121, the user inserts one end of the cable into the inside of the clamping hole 121, the user releases the adjusting ring 125, the clamping rod 127 and the movable block 129 move downward under the action of the compression spring 128, so that the clamping rod 127 clamps one end of the cable, so that the cable is limited in the clamping hole 121, thereby facilitating the rotation of the winding rod 120, the user can rotate the rotating plate 131 through the handle 132, the rotating plate 131 drives the upper rotating disc 110 to rotate through the first rotating block 140, so that the winding rod 120 rotates, the cable can be wound and tensioned, when the first rotating block 140 rotates, the first rotating block 140 drives the reciprocating screw rod 210 to rotate through the transmission sprocket and the transmission chain, so that the wire seat 300 can move back and forth along the guide rod 220, facilitating the uniform winding of the cable on the surface of the winding rod 120, avoiding the knot of the cable affecting the later use, when the winding rod 120 rotates, the rotating disc 110 rotates, the second rotating block 150 rotates, the adjusting rod 520 supports the misaligned tooth disc 521 under the action of the clamping spring 530, the misaligned tooth disc 521 is clamped with the misaligned gear 151, the rotating block drives the adjusting rod 520 to rotate through the misaligned tooth disc 521 and the misaligned gear 151, the adjusting rod 520 drives the ratchet wheel 510 to rotate through the connecting block 513 and the connecting groove 522, the ratchet wheel 510 cannot be reversely rotated under the action of the movable clamping block 512, so that the adjusting rod 520, the second rotating block 150 and the winding rod 120 cannot be reversely rotated, thereby strengthening the tensioning effect of the cable, when it is needed to relax the cable, the user pulls the adjusting rod 520 downward through the handle 523, the adjusting rod 520 drives the misaligned tooth disc 521 to move downward and disengage from the misaligned gear 151, so that the second rotating block 150 and the winding rod 120 can be reversely rotated, thereby achieving the effect of unwinding.

[0042] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A cable erection installation tensioning device comprising a tensioning housing (100), characterized in that: The side of the tensioning shell (100) is provided with an assembly structure, the tensioning shell (100) is in the shape of a concave, both ends of the inside of the tensioning shell (100) are rotatably installed with rotating discs (110), two rotating discs (110) are fixedly installed with a winding rod (120) between them, the middle position of the winding rod (120) is provided with a wire clamping structure, both ends of the side of the tensioning shell (100) are fixedly installed with mounting blocks (200), the reciprocating wire rod (210) is rotatably installed between the two mounting blocks (200), the guide rod (220) is fixedly installed between the two mounting blocks (200), the wire guide seat (300) is slidably installed between the reciprocating wire rod (210) and the guide rod (220), the surface of the wire guide seat (300) is provided with a wire guide hole (301), the upper end of the rotating disc (110) is fixedly installed with a first rotating block (140), the first rotating block (140) is in transmission connection with the reciprocating wire rod (210) through a transmission sprocket and a transmission chain, the lower end of the rotating disc (110) is provided with a second rotating block (150), and the lower end of the second rotating block (150) is provided with an anti-reverse rotation structure. The both ends of the wire guide seat (300) are respectively provided with a threaded hole and a through hole, the reciprocating wire rod (210) and the guide rod (220) are movably inserted into the inside of the threaded hole and the through hole respectively, the wire guide seat (300) is movably installed with a pressing rod (320) on one side, the pressing rod (320) has at least three and is circularly distributed about the wire guide hole (301), and one end of the pressing rod (320) is rotatably installed with a pressing wheel (321). Both ends of the wire guide seat (300) are fixedly installed with mounting racks (310) on one side, the mounting rack (310) is in the shape of L, the inside of the mounting rack (310) is fixedly installed with a sliding rod (311), the sliding rod (311) is located on one side of the pressing rod (320), the surface of the sliding rod (311) is movably sleeved with a sliding seat (312), one side of the sliding seat (312) is movably installed with a movable supporting rod (313), one end of the movable supporting rod (313) is movably connected with the pressing rod (320), and the surface of the sliding rod (311) is sleeved with a supporting spring (314) connected with the sliding seat (312).

2. A cable erection and installation tensioning device according to claim 1, characterised in that: The upper end of the tensioning shell (100) is fixedly installed with a fixed seat (130), the upper end of the fixed seat (130) is rotatably installed with a rotating plate (131), the rotating plate (131) is in the shape of a circle, the upper end of the rotating plate (131) is fixedly installed with a handle (132), and the upper end of the first rotating block (140) is fixedly connected with the rotating plate (131).

3. A cable erection and installation tensioning device according to claim 1, characterised in that: The assembly structure comprises two double thread screws (410), the two double thread screws (410) are rotatably installed inside one side of the tensioning shell (100), the two double thread screws (410) are connected with each other through a transmission chain wheel and a transmission chain, and one end of one of the double thread screws (410) extends to the outside of the tensioning shell (100) and is provided with a handle.

4. A cable erection and installation tensioning device according to claim 3, characterised in that: One side of the tensioning shell (100) is provided with a moving groove (101), the moving groove (101) is located on one side of the double thread screw (410), the two ends of the double thread screw (410) are movably sleeved with a moving screw sleeve (411), and one end of the moving screw sleeve (411) penetrates through the moving groove (101) and is provided with a clamping seat (400), and the opposite sides of the two clamping seats (400) are provided with clamping holes (401).

5. A cable erection and installation tensioning device according to claim 1, wherein: The wire clamping structure comprises a clamping hole (121) which is arranged in the middle of the winding rod (120), an activity groove (122) is arranged in the inside of the winding rod (120), an activity block (129) is movably arranged in the inside of the activity groove (122), a compression spring (128) is fixedly arranged on the upper end of the activity block (129), a clamping rod (127) is fixedly arranged on the lower end of the activity block (129), and the lower end of the clamping rod (127) movably penetrates the inside of the clamping hole (121).

6. A cable erection and installation tensioning device according to claim 5, wherein: A groove (123) is arranged on the surface of the winding rod (120), a sliding groove (124) connected with the activity groove (122) is arranged in the inside of the groove (123), a sliding block (126) connected with the activity block (129) penetrates through the inside of the sliding groove (124), an adjusting ring (125) is movably arranged in the inside of the groove (123), the adjusting ring (125) is connected with the sliding block (126), and the outer diameter of the adjusting ring (125) is equal to the outer diameter of the winding rod (120).

7. A cable erection and installation tensioning device according to claim 1 wherein: The anti-reversal structure comprises a supporting sleeve (500), the supporting sleeve (500) is fixedly arranged on the lower end of the tensioning shell (100), the lower end of the second rotating block (150) movably penetrates the inside of the supporting sleeve (500) and is provided with a staggered gear (151), the lower end of the supporting sleeve (500) movably penetrates an adjusting rod (520), the lower end of the adjusting rod (520) is located outside the supporting sleeve (500) and is provided with a handle (523), the upper end of the adjusting rod (520) is fixedly provided with a staggered gear disc (521), and the staggered gear disc (521) is clamped with the staggered gear (151).

8. A cable erection and installation tensioning device according to claim 7, characterised in that: The lower end inside the supporting sleeve (500) is rotationally installed with a ratchet wheel (510), the adjusting rod (520) is movably inserted into the inside of the ratchet wheel (510), both sides of the adjusting rod (520) are provided with connecting grooves (522), both sides of the inside of the ratchet wheel (510) are provided with connecting blocks (513), the connecting blocks (513) are slidably connected with the connecting grooves (522), the surface of the adjusting rod (520) is sleeved with clamping springs (530) connected with the staggered toothed disc (521) and the ratchet wheel (510), the lower end inside the supporting sleeve (500) is rotationally installed with a movable clamping block (512) matched with the ratchet wheel (510), one side of the movable clamping block (512) is provided with a return spring (511).

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