CN218004744U - Double-pole transformer fuse down-lead installation device - Google Patents

Abstract

The utility model relates to the technical field of cable accessory installation, in particular to a double-rod fuse lower lead installation device, which comprises an installation conveying frame; the double-rod variable fuse lower lead mounting mechanism is slidably mounted on the mounting conveying frame and is used for lower lead mounting and preliminary pre-bending into a semi-finished product; the puncture clamp assembly mechanism is positioned on one side of the mounting and conveying frame and is used for matching with the lower lead mounting mechanism of the double-rod fuse to carry out lower lead clamping; the lower lead elbow mechanism of the double-rod variable fuse is arranged on the mounting conveying frame; the finished product conveying line is positioned on one side of the mounting conveying frame; and the discharging manipulator is arranged between the mounting conveying frame and the finished product conveying line in a spanning mode. Compared with the prior art, the utility model discloses an automatic down-lead installation has reduced the cost of labor, and the processing uniformity is better, and two screws of double-end lock screw mechanism lock simultaneously, and the parallelism that makes the puncture press from both sides is higher, has receiving agencies, improves the convenience of receiving the material.

Description

Double-pole transformer fuse down-lead installation device

Technical Field

The utility model relates to a cable accessories installs technical field, specifically is a two pole change fuse downlead installation device.

Background

At present, the manufacturing steps of the down lead on the double-rod fuse protector are mostly manually completed, the cable line is cut by a wire cutting pliers, the cable line is stripped by a wire stripping pliers, the cable line joint is pressed by a pressing pliers, and the cable line is bent manually. The whole down-lead manufacturing process is complex to operate, the requirement on the proficiency of operators is high, the automation degree is low, the labor intensity is high, the working efficiency is low, and the operation site is disordered.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a two pole change fuse lower lead wire installation device.

The utility model discloses the technical problem that solve adopts following technical scheme to realize:

a dual-pole transformer fuse down-lead mounting device comprising:

mounting a conveying frame;

the double-rod variable fuse lower lead mounting mechanism is slidably mounted on the mounting conveying frame and is used for lower lead mounting and preliminary pre-bending into a semi-finished product;

the puncture clamp assembling mechanism is positioned on one side of the mounting and conveying frame and used for matching with the lower lead mounting mechanism of the double-rod transformer fuse to clamp a lower lead;

the double-rod variable fuse down-lead elbow mechanism is arranged on the mounting conveying frame and used for re-bending the semi-finished product subjected to primary pre-bending by the double-rod variable fuse down-lead mounting mechanism to a set angle to form a final finished product;

the finished product conveying line is positioned on one side of the mounting conveying frame and is used for conveying finished products of the lower leads of the double-rod variable fuse;

and the discharging manipulator is arranged between the mounting conveying frame and the finished product conveying line in a spanning mode, and is used for grabbing the finished product with the lower lead of the double-rod fuse protector mounted onto the finished product conveying line from the mounting conveying frame.

Preferably, double-pole transformer fuse down-lead installation mechanism includes bearing board of slidable mounting on the installation carriage, the puncture of setting on the bearing board presss from both sides the smelting tool, puncture clamp removes the cylinder, set up the puncture clamp fixation clamp in the puncture clamp smelting tool, set up in the bearing board bottom and press from both sides the lifting cylinder with the puncture that the puncture clamp fixation clamp is connected, the side of bearing board is provided with cable clamp jacking cylinder, cable clamp jacking cylinder is connected with the cable clamp.

Preferably, the double-rod fuse lower lead mounting mechanism further comprises a driven wheel, a cable bending rod, a driving wheel and a servo motor, wherein the driven wheel is arranged in the pre-bending inner wheel and is coaxially and rotatably connected with the pre-bending inner wheel, the cable bending rod is arranged on the end face of the driven wheel, the driving wheel is meshed with the driven wheel, the servo motor is connected with the driving wheel, the central axis of the cable clamp is located between the pre-bending inner wheel and the cable bending rod, and the servo motor is mounted at the bottom of the bearing plate.

Preferably, the lower lead mounting mechanism of the double-rod fuse further comprises a cable fixing clamp which is slidably mounted on the mounting conveying frame, and the cable fixing clamp is connected with the bearing plate through a connecting rod.

Preferably, the mounting and conveying frame is provided with a linear guide rail and a conveying rack, the bearing plate and the cable fixing clamp are correspondingly and slidably mounted on the linear guide rail, the bottom of the bearing plate is provided with a gear meshed with the conveying rack, and the bearing plate is provided with a cable moving motor connected with the gear.

Preferably, the puncture clamp assembly mechanism comprises an assembly base, a puncture clamp feeding frame, a grounding ring feeding frame, a six-axis robot and a screwing assembly, wherein the puncture clamp feeding frame, the grounding ring feeding frame, the six-axis robot and the screwing assembly are arranged on the assembly base, and the tail end of the six-axis robot is provided with a gas claw.

Preferably, the tightening assembly comprises a tightening base arranged on the assembly base, a forward moving linear guide rail arranged at the top of the tightening base, a forward moving base slidably mounted on the forward moving linear guide rail, a forward moving cylinder arranged on the tightening base and connected with the forward moving base, upper and lower guide rails vertically arranged on the forward moving base, upper and lower bases slidably mounted on the upper and lower guide rails, upper and lower cylinders arranged on the forward moving base and connected with the upper and lower bases, a transverse moving guide rail horizontally arranged on the upper and lower bases, a transverse moving section bar slidably mounted on the transverse moving guide rail, a transverse moving rack arranged on the transverse moving section bar, a transverse moving motor arranged on the upper and lower bases and provided with a gear meshed with the transverse moving rack bar, a motor mounting rack connected with the transverse moving section bar, tightening motors arranged on the motor mounting rack and connected with each other, a coupler, a sleeve mounting seat connected with the coupler, a tightening sleeve connected with the sleeve mounting seat, a clamping cylinder base connected with the sleeve mounting seat, and a broken-head nut clamping cylinder connected with the clamping cylinder base.

Preferably, lead wire elbow mechanism under two pole transformer fuses is including setting up the mounting plate on the installation carriage, the promotion cylinder of setting in the mounting plate bottom, install the lifting plate on the mounting plate through promoting the bearing, the cable guide plate of setting on the lifting plate, set up on the lifting plate and be located the crooked interior wheel of cable guide plate side, the driven gear who is connected with the coaxial rotation of crooked interior wheel, driving gear with driven gear meshing, the setting is in lifting plate bottom and the bending motor of driving gear connection, be provided with the bending wheel on the driven gear terminal surface, the central axis of cable guide plate is located between crooked interior wheel and the bending wheel, the promotion cylinder is connected with the lifting plate through the optical axis that passes mounting plate.

The utility model has the advantages that:

compared with the prior art, the utility model discloses an automatic down-lead installation has reduced the cost of labor, and the processing uniformity is better, and two screws of double-end lock screw mechanism lock simultaneously, and the parallelism that makes the puncture press from both sides is higher, has receiving agencies, improves the convenience of receiving the material.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a first schematic structural view of the mounting rack of the present invention;

FIG. 3 is a second schematic structural view of the mounting rack of the present invention;

fig. 4 is a first structural schematic diagram of the lower lead mounting mechanism of the medium-double-rod transformer fuse of the present invention;

fig. 5 is a second structural schematic view of the lower lead mounting mechanism of the medium-double-rod transformer fuse of the present invention;

fig. 6 is a third schematic structural view of the lower lead mounting mechanism of the medium-double-rod transformer fuse of the present invention;

fig. 7 is a schematic structural view of the middle puncture clamp assembling mechanism of the present invention;

fig. 8 is a first schematic structural view of the tightening assembly according to the present invention;

fig. 9 is a second schematic structural view of the tightening assembly of the present invention;

fig. 10 is a third schematic structural view of the tightening assembly of the present invention;

fig. 11 is a fourth schematic structural view of the tightening assembly according to the present invention;

fig. 12 is a fourth schematic structural view of the lower lead elbow mechanism of the middle double-pole transformer.

In the figure:

1. mounting a conveying frame; 11. a linear guide rail; 12. a conveyor rack; 13. a cable moving motor;

2. a lower lead mounting mechanism of the double-rod transformer fuse; 21. a carrier plate; 22. a puncture clamp; 23. a puncture clamp moving cylinder; 24. a puncture clamp fixing clamp; 25. the puncture clamp lifts the cylinder; 26. a cable clamp jacking cylinder; 27. a cable clamp; 28. pre-bending the inner wheel; 29. a cable bending rod; 210. a servo motor; 211. a cable fixing clip; 212. a connecting rod;

3. a puncture clamp assembling mechanism; 31. assembling a base; 32. a puncture clamp feeding frame; 33. a grounding ring feeding frame; 34. a six-axis robot; 35. a pneumatic claw;

36. screwing the assembly; 361. screwing down the base; 362. a linear guide rail is moved forwards; 363. a forward moving base; 364. a forward cylinder; 365. an upper guide rail and a lower guide rail; 366. an upper base and a lower base; 367. an upper cylinder and a lower cylinder; 368. transversely moving the guide rail; 369. transversely moving the section bar; 3610. transversely moving the rack; 3611. a traversing motor; 3612. a motor mounting bracket; 3613. screwing down the motor; 3614. a coupling; 3615. a sleeve mounting seat; 3616. screwing down the sleeve; 3617. clamping the cylinder base; 3618. the broken-end nut clamps the cylinder;

4. a lower lead elbow mechanism of the double-pole variable fuse; 41. mounting a bottom plate; 42. a lift cylinder; 43. lifting the bearing; 44. a lifting plate; 45. a cable guide plate; 46. a curved inner wheel; 47. a driven gear; 48. a driving gear; 49. a bending motor; 410. a bending wheel; 411. an optical axis;

5. a finished product conveying line;

6. discharge manipulator.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and efficacy of the present invention easy to understand, the present invention is further explained below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 12, a double-pole fuse down-lead mounting device mainly comprises a mounting and conveying frame 1, a double-pole fuse down-lead mounting mechanism 2, a piercing clamp assembling mechanism 3, a double-pole fuse down-lead elbow mechanism 4, a finished product conveying line 5 and a discharging manipulator 6. The double-rod fuse lower lead installation mechanism 2 is slidably installed on the installation conveying frame 1, the double-rod fuse lower lead elbow mechanism 4 is fixedly installed at the tail end of the installation conveying frame 1, the puncture clamp assembly mechanism 3 and the finished product conveying line 5 are located on the same side of the installation conveying frame 1, and the discharge manipulator 6 stretches across between the installation conveying frame 1 and the finished product conveying line 5.

In this embodiment, specifically, a linear guide rail 11 and a conveying rack 12 are arranged on the installation conveying frame 1, two linear guide rails 11 are arranged, one conveying rack 12 is arranged, the dual-rod fuse lower lead installation mechanism 2 is correspondingly and slidably installed on the linear guide rail 11, a cable moving motor 13 is arranged on the dual-rod fuse lower lead installation mechanism 2, and the cable moving motor 13 is connected with a gear (not shown in the figure) meshed with the conveying rack 12.

In the embodiment, specifically, the dual-lever transformer lower lead mounting mechanism 2 is used for lower lead mounting and preliminary pre-bending into a semi-finished product; lead wire installation mechanism 2 under two pole change fuse includes bearing board 21 of slidable mounting on installation carriage 1, the puncture of setting on bearing board 21 presss from both sides smelting tool 22, puncture clamp moving cylinder 23, the puncture clamp fixation clamp 24 of setting in puncture clamp smelting tool 22, the puncture clamp lifting cylinder 25 of setting in bearing board 21 bottom and being connected with puncture clamp fixation clamp 24, the side of bearing board 21 is provided with cable clamp jacking cylinder 26, cable clamp jacking cylinder 26 is connected with cable clamp 27. The cable clamp further comprises a pre-bending inner wheel 28, a driven wheel coaxially and rotatably connected with the pre-bending inner wheel 28, a cable bending rod 29 arranged on the end face of the driven wheel, a driving wheel meshed with the driven wheel and a servo motor 210 connected with the driving wheel, wherein the central axis of the cable clamp 27 is located between the pre-bending inner wheel 28 and the cable bending rod 29, and the servo motor 210 is installed at the bottom of the bearing plate 21. The device also comprises a cable fixing clamp 211 which is slidably arranged on the installation conveying frame 1, and the cable fixing clamp 211 is connected with the bearing plate 21 through a connecting rod 212.

The specific operation method of the lower lead mounting mechanism 2 of the double-rod transformer fuse comprises the following steps: the manipulator puts into puncture clamp smelting tool 22 respectively with two puncture clamps and fixes, puncture clamp fixation clamp 24 presss from both sides the first half tight with the puncture, puncture clamp lifting cylinder 25 is mentioned the puncture clamp first half, middle die joint interval enlarges, the manipulator is transplanted to the cable presss from both sides upper and lower die joint interval through the puncture and with the cable, cable fixation clamp 211 is put into in proper order to ground ring etc. cable clamp 27 is fixed with cable etc. the puncture clamp fixation clamp 24 loosens, puncture clamp lifting cylinder 25 descends, then will puncture clamp fixed screw up, then cable moving motor 13 drives the gear and carries rack 12 meshing, make double-pole variable fuse lower lead wire installation mechanism 2 removes along linear guide 11, cable fixation clamp 211 is driven by connecting rod 212, will accomplish the semi-manufactured goods of installing double-pole variable fuse lower lead wire and remove to next station.

In the present embodiment, specifically, the piercing clamp assembling mechanism 3 is used for clamping a down lead by matching with the dual-lever fuse down lead mounting mechanism 2. The puncture clamp assembling mechanism 3 mainly comprises an assembling base 31, a puncture clamp feeding frame 32, a grounding ring feeding frame 33, a six-axis robot 34 and a screwing assembly 36, wherein the puncture clamp feeding frame 32, the grounding ring feeding frame 33, the six-axis robot 34 and the screwing assembly 36 are arranged on the assembling base 31, and the tail end of the six-axis robot 34 is provided with an air claw 35. In use, the six-axis robot 34 sequentially places the piercing clamp and the grounding ring into a dual-pole fuse down-lead mounting mechanism 2 through the pneumatic claw 35, and then the tightening assembly 36 tightens the piercing clamp nut.

As a further improvement of this embodiment, specifically, the tightening assembly 36 mainly includes a tightening base 361 disposed on the assembly base 31, a forward moving linear guide 362 disposed on the top of the tightening base 361, a forward moving base 363 slidably mounted on the forward moving linear guide 362, a forward cylinder 364 disposed on the tightening base 361 and connected to the forward moving base 363, an upper and lower guide 365 vertically disposed on the forward moving base 363, an upper and lower base 366 slidably mounted on the upper and lower guide 365, an upper and lower cylinder 367 disposed on the forward moving base 363 and connected to the upper and lower base 366, a traverse guide 368 horizontally disposed on the upper and lower base 366, a traverse profile 369 slidably mounted on the traverse guide 368, a traverse rack 3610 disposed on the traverse profile 369, a traverse motor mount 3612 connected to the traverse profile, a tightening motor 3613, a coupling 3614 disposed on the motor mount 3612 and connected to each other, a sleeve mount 3615 connected to the coupling 3614, a sleeve mount 3615 connected to the sleeve mount 3615, a sleeve mount 3617 connected to the cylinder mount 3617, and a nut clamp base 3617 connected to the sleeve mount 3615.

The specific operation method of the puncture clamp assembling mechanism 3 comprises the following steps: the upper air cylinder 367 and the lower air cylinder 367 are arranged at an upper position, the screwing sleeve 3616 is aligned with a nut of a piercing clip on the dual-rod fuse down-lead mounting mechanism 2 under the action of the front air cylinder 364 and the transverse moving motor 3611, the upper air cylinder 367 and the lower air cylinder 367 slowly descend while the screwing motor 3613 is started, a guide port is designed at the position of a nut inlet of the screwing sleeve 3616, the nut falls into the sleeve, the upper half and the lower half of the piercing clip are folded and continuously act until the constant-torque nut is screwed off, then the screwing motor 3613 stops, the upper air cylinder 367 and the lower air cylinder 367 stretch out, the advancing cylinder 364 and the transverse moving motor 3611 reset the sleeve, the broken nut in the sleeve cannot fall under the action of a clamping sheet in the sleeve at the moment, the upper air cylinder 367 and the lower air cylinder 367 descend when the sleeve moves above the broken nut clamping cylinder 3618, the broken nut clamping cylinder 3618 clamps the broken nut, the upper air cylinder 367 and the broken nut descends again, the broken nut is pulled out of the sleeve, and then the broken nut clamping cylinder 3618 loosens and falls freely.

In the present embodiment, specifically, the dual-pole fuse lower lead bending mechanism 4 is used for re-bending the semi-finished product after the primary pre-bending of the dual-pole fuse lower lead mounting mechanism 2 to a set angle to form a final finished product. The double-rod fuse lower lead elbow mechanism 4 mainly comprises an installation bottom plate 41 arranged on an installation conveying frame 1, a lifting air cylinder 42 arranged at the bottom of the installation bottom plate 41, a lifting plate 44 installed on the installation bottom plate 41 through a lifting bearing 43, a cable guide plate 45 arranged on the lifting plate 44, a bending inner wheel 46 arranged on the lifting plate 44 and located on the side edge of the cable guide plate 45, a driven gear 47 coaxially and rotatably connected with the bending inner wheel 46, a driving gear 48 meshed with the driven gear 47, and a bending motor 49 arranged at the bottom of the lifting plate 44 and connected with the driving gear 48, wherein a bending wheel 410 is arranged on the end face of the driven gear 47, the central axis of the cable guide plate 45 is located between the bending inner wheel 46 and the bending wheel 410, and the lifting air cylinder 42 is connected with the lifting plate 44 through an optical axis 411 penetrating through the installation bottom plate 41.

The specific operation method of the lower lead elbow mechanism 4 of the double-pole transformer fuse comprises the following steps: after the cable reaches the upper part of the bending mechanism, the lifting cylinder 42 is started to simultaneously lift the cable guide plate 45, the bending motor 49, the driving gear 48, the driven gear 47, the bending inner wheel 46 and the bending wheel 410 which are arranged on the lifting plate 44, the bending wheel 410 is arranged on the driven gear 47, the starting position of the bending wheel 410 is the outer side of the cable and is opposite to the bending inner wheel 46 through the cable, and the bending motor 49 drives the driving gear 48, the driven gear 47 and the bending wheel 410 to bend the cable to a preset angle.

In this embodiment, specifically, the finished product conveying line 5 is used for conveying a finished product on which the lower lead of the dual-pole fuse is installed.

In this embodiment, specifically, the discharging manipulator 6 is used for grabbing the finished product with the double-pole fuse down lead mounted thereon from the mounting conveyor 1 to the finished product conveyor line 5.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a two pole change fuse is lead wire installation device down which characterized in that: the method comprises the following steps:

installing a conveying frame (1);

the lower lead mounting mechanism (2) of the double-rod variable fuse is slidably mounted on the mounting and conveying frame (1) and is used for mounting the lower lead and preliminarily pre-bending the lower lead into a semi-finished product;

the puncture clamp assembly mechanism (3) is positioned on one side of the mounting and conveying frame (1) and is used for being matched with the lower lead mounting mechanism (2) of the double-rod fuse to carry out lower lead clamping;

the double-rod variable fuse down-lead elbow mechanism (4) is installed on the installation conveying frame (1) and used for re-bending the semi-finished product subjected to primary pre-bending by the double-rod variable fuse down-lead installation mechanism (2) to a set angle to form a final finished product;

the finished product conveying line (5) is positioned on one side of the mounting conveying frame (1) and is used for conveying finished products of the lower leads of the double-rod variable fuse;

the discharging manipulator (6) is installed between the installation conveying frame (1) and the finished product conveying line (5) in a spanning mode, and the finished product of the lower lead of the installed double-pole fuse protector is grabbed to the finished product conveying line (5) from the installation conveying frame (1).

2. A dual beam transformer fuse down lead mounting arrangement as set forth in claim 1, wherein: the double-rod fuse lower lead mounting mechanism (2) comprises a bearing plate (21) which is slidably mounted on a mounting conveying frame (1), a puncture clamp fixture (22) which is arranged on the bearing plate (21), a puncture clamp moving cylinder (23), a puncture clamp fixing clamp (24) which is arranged in the puncture clamp fixture (22), and a puncture clamp lifting cylinder (25) which is arranged at the bottom of the bearing plate (21) and connected with the puncture clamp fixing clamp (24), wherein a cable clamp jacking cylinder (26) is arranged on the side edge of the bearing plate (21), and the cable clamp jacking cylinder (26) is connected with a cable clamp (27).

3. A dual beam fuse down lead mounting apparatus as set forth in claim 2, wherein: the double-rod fuse down-lead mounting mechanism (2) further comprises a pre-bending inner wheel (28), a driven wheel, a cable bending rod (29), a driving wheel and a servo motor (210), wherein the driven wheel is coaxially and rotatably connected with the pre-bending inner wheel (28), the cable bending rod (29) is arranged on the end face of the driven wheel, the driving wheel is meshed with the driven wheel, the servo motor (210) is connected with the driving wheel, the central axis of a cable clamp (27) is located between the pre-bending inner wheel (28) and the cable bending rod (29), and the servo motor (210) is mounted at the bottom of the bearing plate (21).

4. A dual beam fuse down lead mounting apparatus as set forth in claim 3, wherein: the double-rod fuse down-lead mounting mechanism (2) further comprises a cable fixing clamp (211) which is slidably mounted on the mounting conveying frame (1), and the cable fixing clamp (211) is connected with the bearing plate (21) through a connecting rod (212).

5. A dual beam fuse down lead mounting apparatus as set forth in claim 4, wherein: the installation conveying frame (1) is provided with a linear guide rail (11) and a conveying rack (12), the bearing plate (21) and the cable fixing clamp (211) are correspondingly and slidably installed on the linear guide rail (11), the bottom of the bearing plate (21) is provided with a gear meshed with the conveying rack (12), and the bearing plate (21) is provided with a cable moving motor (13) connected with the gear.

6. The apparatus of claim 1, wherein: the puncture clamp assembling mechanism (3) comprises an assembling base (31), a puncture clamp feeding frame (32) arranged on the assembling base (31), a grounding ring feeding frame (33), a six-axis robot (34) and a screwing assembly (36), wherein an air claw (35) is arranged at the tail end of the six-axis robot (34).

7. A dual lever transformer fuse drop wire mounting arrangement as recited in claim 6, further comprising: the tightening assembly (36) comprises a tightening base (361) arranged on the assembly base (31), a forward moving linear guide rail (362) arranged at the top of the tightening base (361), a forward moving base (363) slidably mounted on the forward moving linear guide rail (362), a forward moving cylinder (364) arranged on the tightening base (361) and connected with the forward moving base (363), an upper guide rail (365) and a lower guide rail (365) vertically arranged on the forward moving base (363), an upper base (366) slidably mounted on the upper guide rail (365), an upper cylinder (367) arranged on the forward moving base (363) and connected with the upper base (366), a transverse moving guide rail (368) horizontally arranged on the upper base (366), a transverse moving profile (369) slidably mounted on the transverse moving guide rail (368), a transverse moving gear rack (3610) arranged on the transverse moving profile (3610), a transverse moving motor profile (3611) arranged on the upper base (366) and provided with a gear meshed with the transverse moving rack (3610), a motor (3612) connected with the mounting rack (3614), a tightening sleeve (3615) arranged on the motor (3612), and a tightening sleeve (3615) connected with the mounting sleeve (3614), and a tightening sleeve (3615) arranged on the mounting rack (3615), and a tightening sleeve (3615) connected with the mounting sleeve (3614), A clamping cylinder base (3617) connected with the sleeve mounting seat (3615), and a broken-end nut clamping cylinder (3618) connected with the clamping cylinder base (3617).

8. The apparatus of claim 1, wherein: the double-rod fuse lower lead elbow mechanism (4) comprises an installation bottom plate (41) arranged on an installation conveying frame (1), a lifting cylinder (42) arranged at the bottom of the installation bottom plate (41), a lifting plate (44) arranged on the installation bottom plate (41) through a lifting bearing (43), a cable guide plate (45) arranged on the lifting plate (44), a bending inner wheel (46) arranged on the lifting plate (44) and positioned on the side edge of the cable guide plate (45), a driven gear (47) coaxially and rotatably connected with the bending inner wheel (46), a driving gear (48) meshed with the driven gear (47), and a bending motor (49) arranged at the bottom of the lifting plate (44) and connected with the driving gear (48), wherein a bending wheel (410) is arranged on the end face of the driven gear (47), the central axis of the cable guide plate (45) is positioned between the bending inner wheel (46) and the bending wheel (410), and the lifting cylinder (42) is connected with the lifting plate (44) through an optical axis (411) penetrating through the installation bottom plate (41).

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