CN217362357U - Electric wire tightening device with controllable tension - Google Patents

Abstract

The utility model discloses an electric stringing device with controllable pulling force, relating to the technical field of electric stringing devices; in order to realize the tension controllable electric wire tightening function; the device comprises a main body, wherein reels are rotatably arranged on the inner walls of two sides of the main body through shafts, a driven gear is fixed at one end of a winding wheel shaft, a driving mechanism for driving the driven gear to rotate is arranged on one side of the main body, the driving mechanism comprises a wire tightening motor and a motor support, and the wire tightening motor is fixed on the outer wall of one side of the motor support; the using method of the device comprises the following steps of adjusting the winding length of the tightening rope; and the knob is rotated to control the wire tightening motor to move, so that the driving gear is meshed with the driven gear, and the indicating needle is ensured to be aligned with the indicating wire. The utility model discloses a set up main part, tight line motor, first couple subassembly and second couple subassembly, can utilize tight line motor work, through drive gear and driven gear's transmission, drive the reel and tighten up.

Description

Electric wire tightening device with controllable pulling force

Technical Field

The utility model relates to an electronic take-up technical field especially relates to a controllable electronic take-up of pulling force.

Background

The tightener, also called ratchet tightener, is used for tightening the wire in the overhead line laying construction; when in use, the steel wire rope or the galvanized iron wire on the wire grip is firstly loosened and fixed on the cross arm, the wire is clamped by the wire clamp, and then the special wrench is pulled; due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened; although the current turn-buckle can satisfy certain user demand, mostly manual control, if adopt the motor to replace manual operation, have again can not be according to the problem of actual conditions control tight line degree, consequently, still need to improve.

Through retrieval, the Chinese patent with the application number of CN201820944016.1 discloses an electric and hand-operated dual-purpose tightener, which comprises a tightener main body, an electric speed reducing module fixing seat, an anti-dropping device, a manual module, a locking device, an anti-twisting device and a shackle; the electric speed reducing module fixing seat is installed on the tightener main body, the anti-disengaging device is installed on the electric speed reducing module fixing seat, the electric speed reducing module is connected with the anti-disengaging device and the tightener main body through the electric speed reducing module fixing seat, the locking device is installed on an input shaft of the tightener main body, the manual module is connected with the tightener main body through the locking device, the anti-twisting device is installed on the tightener main body, and the shackle is installed on the upper portion of the tightener main body. The tightener in the above patent has the following disadvantages: the degree of tightening cannot be controlled according to actual conditions, and therefore, improvement is still needed.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an electric wire tightening device with controllable tension.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric wire tightening device with controllable pulling force comprises a main body, wherein reels are rotatably mounted on the inner walls of two sides of the main body through shafts, a driven gear is fixed at one end of a winding wheel shaft, a driving mechanism for driving the driven gear to rotate is arranged on one side of the main body, the driving mechanism comprises a wire tightening motor and a motor support, the wire tightening motor is fixed on the outer wall of one side of the motor support, and the output end of the wire tightening motor is rotatably connected with a driving gear meshed with the driven gear; a first hook assembly used for pulling a lead is arranged on one side of the main body, the same tightening rope is connected between the first hook assembly and the reel, and a second hook assembly used for connecting a cross arm is arranged on the other side of the main body; a tension control mechanism is arranged between the second hook assembly and the main body, the tension control mechanism comprises a movable frame and a second guide slide bar, the second guide slide bar is symmetrically arranged on the outer walls of two sides of the movable frame, mounting plates are fixed on the outer walls of two sides of the main body, the second guide slide bar is connected to the inner wall of the mounting plate in a sliding manner, two conducting strips are arranged on the inner wall of the mounting plate, conducting rings matched with the conducting strips are embedded in the outer wall of the circumference of the second guide slide bar, and the two conducting strips are connected to a control circuit of the stringing motor; the inner walls of two sides of the movable frame are fixed with second installation rods, the inner walls of two sides of the main body are fixed with first installation rods, the outer walls of the first installation rods are fixed with elastic pull ropes distributed at equal intervals, and one ends of the elastic pull ropes are detachably fixed on the second installation rods.

Preferably: a lower clamp is fixed at one end of the elastic pull rope, and an upper clamp is detachably arranged at the top of the lower clamp through a bolt; the shape adaptation of clamp and last clamp and second installation pole down.

Further: and one end of the second guide slide bar is fixedly provided with a limiting block.

Further preferred is: first couple subassembly is including installation head, first couple, there is first bullet tooth through spring mounting in the first couple, first couple one end both sides outer wall is fixed with same first rotation support, first rotation support rotates and connects in the installation head inner wall, installation head inner wall rotates and is connected with the pulley, tighten up that the rope is mobilizable to be installed on the pulley, main part both sides inner wall is fixed with the dead lever, and the dead lever outer wall rotates and is connected with the runner, tightens up rope one end and is fixed in on the runner.

As an optimization of the utility model: the second hook assembly comprises a second hook and a second rotating support, second elastic teeth are installed in the second hook through springs, the second hook is fixed on the inner walls of the two sides of the second rotating support, and the second rotating support is rotatably connected to the inner wall of one end of the movable frame.

As the utility model discloses further preferred: the clamping groove is formed in the outer wall of one side of the main body, the fixing frame is fixed in the clamping groove, the inner wall of one side of the fixing frame is connected with the adjusting stud through threads, one end of the adjusting stud is fixed with the knob, the other end of the adjusting stud is rotatably connected to the inner wall of the motor support, a first guide slide rod is fixed on the outer wall of one side of the motor support, and the first guide slide rod is slidably connected to the inner wall of the fixing frame.

As a further aspect of the present invention: the outer wall of one side of the main body is provided with an indicating line, an indicating needle is fixed on the outer wall of the top of the motor support, and the position of the indicating needle is matched with the indicating line.

On the basis of the scheme: a guide cylinder is fixed on the inner wall of one side of the main body, and a tightening rope penetrates through the guide cylinder.

On the basis of the foregoing scheme, it is preferable that: the inner walls of two sides of the mounting head are fixed with limiting arc plates which are of arc structures matched with the pulleys.

On the basis of the scheme, the following steps are preferred: the electric wire tightening device further comprises a wire clamping mechanism, the wire clamping mechanism comprises a second clamping plate and a first clamping plate, and a hanging ring matched with the first hook is rotatably connected to the inner wall of one side of the second clamping plate; the utility model discloses a wire casing, including first cardboard, second cardboard top outer wall, first cardboard sliding connection and first cardboard, second cardboard and first cardboard adjacent one side outer wall are provided with the wire casing of looks adaptation, and the wire casing is curved column structure, the inslot integral type is provided with presss from both sides tight rib, first cardboard both sides outer wall integral type is provided with first side support, and second cardboard both sides outer wall integral type is provided with second side support, and second side support internal rotation is connected with threaded fastener, and threaded fastener passes through threaded connection in first side support inner wall.

A use method of a tension-controllable electric wire tightening device comprises the following steps:

s1: adjusting the winding length of the tightening rope;

s2: the knob is rotated to control the wire tightening motor to move, so that the driving gear is meshed with the driven gear, and meanwhile, the indicating needle is ensured to be aligned to the indicating wire;

s3: fixing a corresponding number of elastic pull ropes on the second mounting rod according to actual conditions;

s4: the first hook is reliably connected with the wire or the device for clamping the wire;

s5: the second hook is reliably connected with the cross arm;

s6: controlling a wire tightening motor to work and performing tightening operation;

s7: and (5) tightening is completed.

The utility model has the advantages that:

1. the utility model can utilize the tightening motor to work, the reel is driven to tighten up through the transmission of the driving gear and the driven gear by the transmission of the driving gear and the driven gear, the elastic pull rope, the conducting strips and the conducting rings are arranged, during the tightening process, the second guide sliding rod slides on the inner wall of the mounting plate based on the deformation of the elastic pull rope, when the pulling force reaches a certain degree, the conducting rings are contacted and conducted with the circuit between the two conducting strips, thereby the control circuit of the tightening motor generates an electric signal, the control unit for controlling the work of the tightening motor receives the electric signal and further controls the tightening motor to stop working, thereby avoiding the phenomenon of overlarge pulling force, a user can adjust the quantity of the elastic pull rope fixed on the second mounting rod according to the actual demand, thereby achieving the purpose of changing the maximum pulling force and the tightening degree, the practicability is improved.

2. By arranging the lower clamp and the upper clamp, the elastic pull rope can be conveniently disassembled and assembled on the second mounting rod, so that the practicability is improved; through setting up the stopper, can avoid the second direction slide bar to break away from the mounting panel, promote the reliability.

3. By arranging the structures such as the pulley and the first hook, the traction requirement can be met, the smoothness of the structure during working is guaranteed, and the reliability is improved; by arranging the second hook and other structures, the device can be reliably connected with the cross arm, so that the use requirement is met; through setting up adjusting stud, first direction slide bar isotructure, can twist through the knob and move adjusting stud, make drive gear and driven gear separation, promote the practicality.

4. By arranging the indicating needle and the indicating line, the motor bracket can be conveniently positioned, and the operation precision of the adjusting stud is ensured; through setting up guide cylinder and spacing arc board, can lead and spacing tightening up the rope, avoid tightening up the rope and break away from the pulley, promote the reliability.

5. Through setting up the second cardboard, the different wire casing of first cardboard and specification, can install first side support one end in threaded fastener one end, through rotatory threaded fastener, it is fixed to utilize first cardboard and second cardboard to carry out the joint to the not unidimensional line body, press from both sides tight rib and can further play skid-proof effect, because the guide post sets up in wire casing one side, consequently, do not influence the dismantlement separation between second cardboard and the first cardboard and the line body, promoted the practicality.

Drawings

Fig. 1 is a schematic structural view of an electric tensioner according to the present invention with controllable tension;

fig. 2 is a schematic structural view of the electric tensioner according to another angle of the present invention with controllable tension;

fig. 3 is a schematic structural view of a first hook of the tension-controllable electric wire tightening device provided by the present invention;

fig. 4 is a schematic structural view of the electric tensioner fixing frame with controllable tension of the present invention detached from the main body;

fig. 5 is a schematic structural view of an elastic pull rope and a movable frame of the tension-controllable electric tensioner of the present invention;

fig. 6 is a schematic structural view of an upper clamp and a lower clamp of the tension-controllable electric tensioner of the present invention;

fig. 7 is a schematic structural view of an electric wire tightener with controllable tension according to embodiment 2 of the present invention;

fig. 8 is a schematic structural view of a wire clamping mechanism of an electric wire tensioning device with controllable tension according to embodiment 2 of the present invention;

fig. 9 is a circuit working flow chart of the electric wire tightening device with controllable tension of the present invention.

In the figure: 1 main body, 2 reels, 3 tightening ropes, 4 second hooks, 5 second elastic teeth, 6 movable frames, 7 second guide sliding rods, 8 driven gears, 9 tightening motors, 10 fixed frames, 11 knobs, 12 first hooks, 13 first elastic teeth, 14 mounting heads, 15 pulleys, 16 motor supports, 17 limit arc plates, 18 guide cylinders, 19 fixed rods, 20 rotating wheels, 21 first rotating supports, 22 first guide sliding rods, 23 adjusting studs, 24 driving gears, 25 clamping grooves, 26 indicating lines, 27 indicating needles, 28 first mounting rods, 29 second mounting rods, 30 second rotating supports, 31 conductive plates, 32 mounting plates, 33 conductive rings, 34 limit blocks, 35 elastic pull ropes, 36 lower clamping rings, 37 upper clamping rings, 38 first clamping plates, 39 second clamping plates, 40 hanging rings, 41 first side supports, 42 second side supports, 43 threaded fasteners, 44 clamping ribs, 45 guide columns, 9 guide sliding rods, 9 fixed rods, 10 fixed frames, 11 knobs, 12 first hooks, 13 first elastic mounting rods, 27 indicating lines, 27 indicating needles, 28 first mounting rods, 29 second mounting rods, 30 second rotating supports, 31 conductive plates, 32 mounting plates, 33 and 34 limiting blocks, 46 wire grooves.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

an electric stringing device with controllable pulling force is shown in figures 1-6 and comprises a main body 1, wherein inner walls of two sides of the main body 1 are rotatably provided with a reel 2 through a shaft, one end of the shaft of the reel 2 is fixedly provided with a driven gear 8, one side of the main body 1 is provided with a driving mechanism for driving the driven gear 8 to rotate, the driving mechanism comprises a stringing motor 9 and a motor bracket 16, the stringing motor 9 is fixed on the outer wall of one side of the motor bracket 16 through screws, and the output end of the stringing motor 9 is rotatably connected with a driving gear 24 which is meshed and matched with the driven gear 8; a first hook component for drawing a lead is arranged on one side of the main body 1, the same tightening rope 3 is connected between the first hook component and the reel 2, and a second hook component for connecting a cross arm is arranged on the other side of the main body 1; a tension control mechanism is arranged between the second hook assembly and the main body 1, the tension control mechanism comprises a movable frame 6 and a second guide slide bar 7, the second guide slide bar 7 is symmetrically arranged on the outer walls of two sides of the movable frame 6, the outer walls of two sides of the main body 1 are fixedly provided with mounting plates 32 through screws, the second guide slide bar 7 is connected to the inner wall of the mounting plate 32 in a sliding manner, the inner wall of the mounting plate 32 is provided with two conducting strips 31, the outer wall of the circumference of the second guide slide bar 7 is provided with a conducting ring 33 matched with the conducting strips 31 in an embedded manner, and the two conducting strips 31 are connected to a control circuit of the stringing motor 9; second mounting rods 29 are fixed on the inner walls of two sides of the movable frame 6 through screws, first mounting rods 28 are fixed on the inner walls of two sides of the main body 1 through screws, elastic pull ropes 35 which are distributed at equal intervals are fixed on the outer walls of the first mounting rods 28, and one ends of the elastic pull ropes 35 are detachably fixed on the second mounting rods 29; by arranging the main body 1, the stringing motor 9, the first hook component and the second hook component, the reel 2 can be driven to tighten by the transmission of the driving gear 24 and the driven gear 8 by utilizing the work of the stringing motor 9, the elastic pulling rope 35, the conducting strips 31 and the conducting rings 33 are arranged, in the tightening process, the second guide sliding rod 7 slides on the inner wall of the mounting plate 32 based on the deformation of the elastic pulling rope 35, when the pulling force reaches a certain degree, the conducting rings 33 are contacted and conducted with a circuit between the two conducting strips 31, so that a control circuit of the stringing motor 9 generates an electric signal, a control unit for controlling the work of the stringing motor 9 receives the electric signal, and further controls the stringing motor 9 to stop working, thereby avoiding the phenomenon of overlarge pulling force, and a user can adjust the quantity of the elastic pulling rope 35 fixed on the second mounting rod 29 according to actual requirements, thereby achieving the purpose of changing the maximum pulling force and the tightening degree and improving the practicability.

In order to facilitate the reliable fixing of one end of the elastic pull rope 35; as shown in fig. 6, a lower clamp 36 is fixed at one end of the elastic pull rope 35, and an upper clamp 37 is detachably mounted at the top of the lower clamp 36 through a bolt; the lower clamp 36 and the upper clamp 37 are matched with the shape of the second mounting rod 29; through setting up down clamp 36 and last clamp 37, can be convenient with the dismouting of elasticity stay cord 35 on second installation pole 29, promoted the practicality.

In order to improve reliability; as shown in fig. 5, one end of the second guide slide bar 7 is fixed with a limiting block 34 through a screw; by providing the stopper 34, the second guide slide bar 7 can be prevented from being detached from the mounting plate 32, and the reliability is improved.

To facilitate pulling the wire; as shown in fig. 1-3, the first hook component includes a mounting head 14 and a first hook 12, a first elastic tooth 13 is mounted in the first hook 12 through a spring, the same first rotating bracket 21 is fixed on the outer walls of two sides of one end of the first hook 12, the first rotating bracket 21 is rotatably connected to the inner wall of the mounting head 14, the inner wall of the mounting head 14 is rotatably connected with a pulley 15, the tightening rope 3 is movably mounted on the pulley 15, the inner walls of two sides of the main body 1 are fixed with fixing rods 19 through screws, the outer walls of the fixing rods 19 are rotatably connected with a rotating wheel 20, and one end of the tightening rope 3 is fixed on the rotating wheel 20; through setting up structures such as pulley 15, first couple 12, can satisfy and pull the demand, and guarantee the smooth degree of structure during operation, promoted the reliability.

To facilitate connection of the cross arm; as shown in fig. 5, the second hook assembly includes a second hook 4 and a second rotating bracket 30, a second elastic tooth 5 is installed in the second hook 4 through a spring, the second hook 4 is fixed on the inner walls of two sides of the second rotating bracket 30, and the second rotating bracket 30 is rotatably connected to the inner wall of one end of the movable frame 6; through setting up second couple 4 isotructures, can be connected the reliable and cross arm of device, satisfy the user demand.

To facilitate control of the length of the winding of the cinch cord 3; as shown in fig. 4, a clamping groove 25 is formed in the outer wall of one side of the main body 1, a fixing frame 10 is fixed in the clamping groove 25 through a screw, an adjusting stud 23 is connected to the inner wall of one side of the fixing frame 10 through a thread, a knob 11 is fixed at one end of the adjusting stud 23 through a screw, the other end of the adjusting stud 23 is rotatably connected to the inner wall of the motor support 16, a first guide slide bar 22 is fixed on the outer wall of one side of the motor support 16 through a screw, and the first guide slide bar 22 is slidably connected to the inner wall of the fixing frame 10; through setting up adjusting stud 23, first direction slide bar 22 isotructure, can twist adjusting stud 23 through knob 11, make drive gear 24 and driven gear 8 separation, promoted the practicality.

In order to improve reliability; as shown in fig. 4, an indication line 26 is arranged on the outer wall of one side of the main body 1, an indication needle 27 is fixed on the outer wall of the top of the motor bracket 16 through a screw, and the position of the indication needle 27 is matched with the indication line 26; by arranging the indicating needle 27 and the indicating line 26, the motor bracket 16 can be conveniently positioned, and the operation precision of the adjusting stud 23 is ensured.

To avoid the tensioning rope 3 from disengaging from the pulley 15; as shown in fig. 3, a guide cylinder 18 is fixed on the inner wall of one side of the main body 1 through screws, and the tightening rope 3 passes through the guide cylinder 18; the inner walls of two sides of the mounting head 14 are fixed with limiting arc plates 17 through screws, and the limiting arc plates 17 are of arc structures matched with the pulleys 15; through setting up guide cylinder 18 and spacing arc 17, can lead and spacing tightening rope 3, avoid tightening rope 3 to break away from pulley 15, promote the reliability.

Example 2:

in order to fix line bodies with different sizes, the electric line tightening device with controllable tension further comprises a line clamping mechanism, as shown in fig. 7 and 8, wherein the line clamping mechanism comprises a second clamping plate 39 and a first clamping plate 38, and a hanging ring 40 matched with the first hook 12 is rotatably connected to the inner wall of one side of the second clamping plate 39; a guide column 45 is fixed on the outer wall of the top of the second clamping plate 39 through a screw, the first clamping plate 38 is connected to the outer wall of the guide column 45 in a sliding manner, a wire groove 46 matched with the second clamping plate 39 is formed in the outer wall of one side, adjacent to the first clamping plate 38, of the second clamping plate 39, the wire groove 46 is of a bent structure, a clamping rib 44 is integrally arranged in the wire groove 46, a first side support 41 is integrally arranged on the outer wall of the two sides of the first clamping plate 38, a second side support 42 is integrally arranged on the outer wall of the two sides of the second clamping plate 39, a threaded fastener 43 is rotatably connected in the second side support 42, and the threaded fastener 43 is connected to the inner wall of the first side support 41 through threads; through setting up second cardboard 39, the different wire casing 46 of first cardboard 38 and specification, can install 41 one end in threaded fastener 43 one end with first side support, through rotatory threaded fastener 43, it is fixed to utilize first cardboard 38 and second cardboard 39 to carry out the joint to the not unidimensional line body, press from both sides tight rib 44 and can further play skid-proof effect, because guide post 45 sets up in wire casing 46 one side, therefore, do not influence the dismantlement separation between second cardboard 39 and first cardboard 38 and the line body, and the practicality is improved.

Example 3:

a method for using a tension-controllable electric tensioner, as shown in fig. 1-9, comprising the steps of:

s1: adjusting the winding length of the tightening rope 3;

s2: rotating the knob 11 to control the wire tightening motor 9 to move, so that the driving gear 24 is meshed with the driven gear 8, and simultaneously, the indicating needle 27 is ensured to be aligned with the indicating wire 26;

s3: according to actual conditions, a corresponding number of elastic pull ropes 35 are fixed on the second mounting rod 29;

s4: the first hook 12 is reliably connected with the wire or the device for clamping the wire;

s5: the second hook 4 is reliably connected with the cross arm;

s6: controlling the wire tightening motor 9 to work and performing tightening operation;

s7: and (5) tightening is completed.

The above description is for the preferred embodiment of the present invention, but not for the only embodiment of the present invention, the protection scope of the present invention is not limited thereto, and any person skilled in the art can combine the prior art or the common general knowledge in the technical scope of the present invention, and the technical solution and the inventive concept of the present invention are equivalent, equivalent or changed, and all shall be covered within the protection scope of the present invention.

Claims (9)

1. The electric stringing device with controllable pulling force comprises a main body (1) and is characterized in that inner walls of two sides of the main body (1) are rotatably provided with a reel (2) through a shaft, a driven gear (8) is fixed at one end of the shaft of the reel (2), one side of the main body (1) is provided with a driving mechanism for driving the driven gear (8) to rotate, the driving mechanism comprises a stringing motor (9) and a motor support (16), the stringing motor (9) is fixed on the outer wall of one side of the motor support (16), and the output end of the stringing motor (9) is rotatably connected with a driving gear (24) which is meshed and matched with the driven gear (8); a first hook component for drawing a lead is arranged on one side of the main body (1), a same tightening rope (3) is connected between the first hook component and the reel (2), and a second hook component for connecting a cross arm is arranged on the other side of the main body (1); a tension control mechanism is arranged between the second hook assembly and the main body (1), the tension control mechanism comprises a movable frame (6) and a second guide slide bar (7), the second guide slide bar (7) is symmetrically arranged on the outer walls of two sides of the movable frame (6), mounting plates (32) are fixed on the outer walls of two sides of the main body (1), the second guide slide bar (7) is connected to the inner wall of the mounting plates (32) in a sliding manner, two conductive strips (31) are mounted on the inner wall of the mounting plates (32), conductive rings (33) matched with the conductive strips (31) are mounted on the outer wall of the circumference of the second guide slide bar (7) in an embedded manner, and the two conductive strips (31) are connected to a control circuit of the stringing motor (9); second installation rods (29) are fixed on the inner walls of two sides of the movable frame (6), first installation rods (28) are fixed on the inner walls of two sides of the main body (1), elastic pull ropes (35) distributed at equal intervals are fixed on the outer walls of the first installation rods (28), and one ends of the elastic pull ropes (35) are detachably fixed on the second installation rods (29).

2. The tension-controllable electric wire tightener according to claim 1, characterized in that a lower clamp (36) is fixed at one end of the elastic pull rope (35), and an upper clamp (37) is detachably mounted at the top of the lower clamp (36) through a bolt; the lower clamp (36) and the upper clamp (37) are matched with the shape of the second mounting rod (29).

3. The tension-controllable electric tensioner according to claim 2, characterized in that a stop block (34) is fixed to one end of the second guide slide (7).

4. The electric stringing device with controllable pulling force as claimed in claim 3, wherein the first hook component comprises a mounting head (14) and a first hook (12), a first elastic tooth (13) is mounted in the first hook (12) through a spring, the outer walls of two sides of one end of the first hook (12) are fixed with a same first rotating support (21), the first rotating support (21) is rotatably connected to the inner wall of the mounting head (14), the inner wall of the mounting head (14) is rotatably connected with a pulley (15), the stringing rope (3) is movably mounted on the pulley (15), the inner walls of two sides of the main body (1) are fixed with a fixing rod (19), the outer wall of the fixing rod (19) is rotatably connected with a rotating wheel (20), and one end of the stringing rope (3) is fixed on the rotating wheel (20).

5. The tension-controllable electric wire tightening device according to claim 4, wherein the second hook assembly comprises a second hook (4) and a second rotating support (30), a second elastic tooth (5) is installed in the second hook (4) through a spring, the second hook (4) is fixed on the inner walls of two sides of the second rotating support (30), and the second rotating support (30) is rotatably connected to the inner wall of one end of the movable frame (6).

6. The tension-controllable electric stringing device according to claim 5, wherein a clamping groove (25) is formed in an outer wall of one side of the main body (1), the fixing frame (10) is fixed in the clamping groove (25), an adjusting stud (23) is connected to an inner wall of one side of the fixing frame (10) through a thread, a knob (11) is fixed to one end of the adjusting stud (23), the other end of the adjusting stud (23) is rotatably connected to an inner wall of the motor support (16), a first guide slide bar (22) is fixed to an outer wall of one side of the motor support (16), and the first guide slide bar (22) is slidably connected to the inner wall of the fixing frame (10).

7. The tension-controllable electric wire tightening device according to claim 6, characterized in that an indicating line (26) is arranged on the outer wall of one side of the main body (1), an indicating needle (27) is fixed on the outer wall of the top of the motor bracket (16), and the position of the indicating needle (27) is matched with the indicating line (26).

8. The electric stringing device with controllable pulling force according to claim 7, characterized in that a guiding cylinder (18) is fixed on the inner wall of one side of the main body (1), the stringing rope (3) passes through the guiding cylinder (18), a limiting arc plate (17) is fixed on the inner wall of the two sides of the mounting head (14), and the limiting arc plate (17) is in an arc structure matched with the pulley (15).

9. The tension-controllable electric stringing device according to claim 8, further comprising a stringing mechanism, wherein the stringing mechanism comprises a second clamping plate (39) and a first clamping plate (38), and a hanging ring (40) matched with the first hook (12) is rotatably connected to the inner wall of one side of the second clamping plate (39); the outer wall of the top of the second clamping plate (39) is fixed with a guide column (45) through a screw, the first clamping plate (38) is slidably connected to the outer wall of the guide column (45), a wire groove (46) matched with the outer wall of one side, adjacent to the second clamping plate (39) and the first clamping plate (38), is formed in the wire groove (46) and is of a bent structure, a clamping rib (44) is arranged in the wire groove (46) in an integrated mode, a first side support (41) is arranged in the outer wall of two sides of the first clamping plate (38) in an integrated mode, a second side support (42) is arranged in the outer wall of two sides of the second clamping plate (39) in an integrated mode, a threaded fastener (43) is connected to the inner wall of the first side support (41) in an internal rotation mode, and the threaded fastener (43) is connected to the inner wall of the first side support (41) through threads.

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