CN115842303A - Distributed power grid distribution cable laying device - Google Patents

Abstract

The present invention relates to the technical field of cable laying, in particular to a distributed power distribution cable laying device, which can effectively avoid mutual friction between cable turns and reduce wear on the outer surface of the cable; including: a first base, Two groups of fast-loading shafts are symmetrically installed on the first base, and the bobbins are detachably installed between the two groups of fast-loading shafts. A U-shaped frame is fixedly mounted on the first base, and a swing arm is slidably mounted on the U-shaped frame. The end of the arm relies on the connecting seat to fix the guide wheel mechanism. The guide wheel mechanism is assembled by two sets of double guide wheel units at 90 degrees to each other. The sliding route of the swing arm is parallel to the axis of the bobbin; the feed mechanism relies on The servo lifting mechanism is fixedly installed on the first base, the feeding mechanism is used to pull the cable wound on the spool, and the height of the feeding mechanism is adjusted by controlling the servo lifting mechanism according to the thickness of the cable on the spool.

Description

A distributed power distribution cable laying device

technical field

The invention relates to the technical field of cable laying, in particular to a distributed power distribution cable laying device.

Background technique

The distributed smart grid layout has increasingly become an important strategic measure for the country to seize the commanding heights of the low-carbon economy in the future. It has become a social consensus to accelerate the construction of a strong smart grid with coordinated development of various voltage levels, and to build a safe, reliable, clean, and efficient power supply system;

In the construction of distributed power grids, the laying of large-area cables has become the top priority of power grid construction. Most of the cable laying uses cable pulling equipment to transport the cables wound on the spools. Since the position of the pulling equipment is fixed, the cables on the spools It is wound in a helical shape, so during the pulling process, friction between adjacent turns of the cable is prone to occur, resulting in damage to the outer skin of the cable.

Contents of the invention

In order to solve the above technical problems, the present invention provides a distributed power distribution cable laying device that can effectively avoid the mutual friction between the cable turns and reduce the abrasion of the outer surface of the cable.

A distributed power distribution cable laying device of the present invention comprises:

The first base, two groups of quick-loading shafts are symmetrically installed on the first base, and the bobbin is detachably installed between the two groups of quick-mounting shafts, and a U-shaped frame is fixedly installed on the first base, and the A swing arm is slidably installed on the U-shaped frame, and a guide wheel mechanism is fixedly installed on the end of the swing arm by means of a connecting seat. The sliding path of the arm is parallel to the axis of the spool;

A feeding mechanism, the feeding mechanism is fixedly installed on the first base by means of a servo lifting mechanism, the feeding mechanism is used to pull the cable wound on the bobbin, and the servo lifting mechanism is controlled according to the thickness of the cable on the bobbin. Adjust the height of the feed mechanism.

Preferably, the fast assembly shaft includes a plum blossom shaft, the plum blossom shaft is slidably installed on the first base, the pressure plate and the installation shaft are fixedly arranged on the plum blossom shaft in turn, and the bobbin is rotatably installed on two sets of plum blossom shafts On the installation shaft of the plum blossom shaft, the first spring is sleeved on the plum blossom shaft, the first spring is installed between the pressure plate and the first base, and the first spring is always in a compressed state, and the plum blossom shaft is fixedly installed limited ring.

Preferably, a guide rod and a lead screw are installed in parallel on the U-shaped frame, a lead screw nut is screwed on the lead screw, a guide sleeve is slidably installed on the guide rod, and the lead screw nut and the guide The sleeve is fixedly connected, the swing arm is fixedly installed on the guide sleeve, and the U-shaped frame is also fixedly installed with a reversing mechanism, which is used to change the rotation direction of the screw when the screw nut moves to both ends of the screw. Towards.

Preferably, the reversing mechanism includes two sleeve shafts rotatably mounted on the U-shaped frame, the two sleeve shafts are both rotatably sleeved on the lead screw, and each of the sleeve shafts is coaxially fixed with a passive Bevel gears, the two passive bevel gears are arranged symmetrically, a collar is fixed coaxially on the screw, the collar is located between the two sleeve shafts, and both ends of the collar are provided with synchronous teeth , the end faces of the two sleeve shafts and the sleeve ring are provided with synchronous teeth, the first servo motor is fixedly installed on the U-shaped frame, the output end of the first servo motor is provided with a driving bevel gear, and the driving bevel The gears are respectively meshed with two passive bevel gears for transmission.

Preferably, positioning pins are also included. A mounting seat is fixedly installed on the U-shaped frame, and a shaft hole is provided through the mounting seat. A sliding shaft is slidably installed in the shaft hole, and the sliding shaft is coaxial with the fixed sleeve. Set on the lead screw, two reversing grooves are provided on the outer wall of the sliding shaft, and a mounting hole communicating with the shaft hole is also provided on the mounting seat, and the positioning pin is elastically slid and installed on the mounting base by the third spring. In the hole, the positioning pin is pressed against the outer wall of the sliding shaft.

Preferably, two locating rings are symmetrically and fixedly installed on the guide rod, and two slip rings are slidably installed on the guide rod at the same time, and the two slip rings are respectively connected to the two locating rings by second springs. The positioning ring can be adjusted and installed on the guide rod by means of the second locking bolt.

Preferably, the double guide wheel unit includes a square frame fixedly installed on the connecting seat, and two guide rollers are rotatably installed in the box; both ends of each guide roller are rotatably installed on the slider, four The slider is symmetrically slid and installed on the frame.

Preferably, the two sliders on the same side are elastically connected by a fourth spring, each slider is fixed with a wedge block, and an adjusting bolt is screwed into the square frame, and the adjusting bolt is rotated A trapezoidal block is installed, and the trapezoidal block is slidably installed between the two wedge-shaped blocks, and the two slopes of the trapezoidal block are respectively wedged with the slopes of the two wedge-shaped blocks.

Preferably, the feed mechanism includes a second base fixedly installed on the servo lifting mechanism, at least three driving rollers are rotatably installed on the second base, and the driving roller is fixedly installed on the second base. The second servo motor for roller rotation, a bracket is fixedly installed on the second base, a linear motor is vertically installed on the bracket, the output end of the linear motor is fixedly connected to a mounting frame, and the mounting frame is installed There are at least two upper pressing rollers, and the upper pressing rollers are located directly above between two adjacent driving rollers.

Preferably, the collar is fixedly installed on the lead screw by means of the first locking bolt.

Compared with the prior art, the beneficial effects of the present invention are as follows: the spools evenly wound with cables are installed between the two groups of fast-loading shafts, and the free ends of the cables are sequentially passed through the guide wheel mechanism and the feeding mechanism, and the feeding mechanism is used to The mechanism pulls the cable dynamically, and at the same time controls the swing arm to reciprocate left and right. The moving speed is the same as the axial moving speed of the cable on the spool. When the feeding mechanism keeps the position unchanged, it can effectively avoid the gap between the winding turns of the cable. The mutual friction reduces the wear of the outer surface of the cable.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is an enlarged schematic diagram of the connection between the plum blossom shaft and the first spring;

Fig. 3 is the enlarged schematic view of the structural connection between the guide rod and the leading screw;

Fig. 4 is a bottom-up enlarged schematic diagram of Fig. 3;

Fig. 5 is the enlarged schematic diagram of the structure of part A in Fig. 4;

Fig. 6 is the enlarged schematic diagram of the structure of part B in Fig. 4;

Fig. 7 is an enlarged schematic diagram of the structural connection between the passive bevel gear and the collar;

Fig. 8 is an enlarged schematic view of the structure of the guide wheel mechanism;

Fig. 9 is an enlarged schematic view of the structure of the feed mechanism;

Marks in the drawings: 1. First base; 2. Quick-loading shaft; 3. Spool; 4. U-shaped frame; 5. Swing arm; 6. Guide wheel mechanism; 7. Servo lifting mechanism; 8. Feed mechanism ;9, plum shaft; 10, pressure plate; 11, installation shaft; 12, limit ring; 13, first spring; 14, pull cap; 15, guide rod; 16, lead screw; 17, lead screw nut; 18. Guide sleeve; 19. Connecting seat; 20. Double guide wheel unit; 21. Reversing mechanism; 22. Sleeve shaft; 23. Passive bevel gear; 24. Collar; 25. Synchronous tooth; 26. First locking Bolt; 27, driving bevel gear; 28, first servo motor; 29, positioning ring; 30, slip ring; 31, second spring; 32, second locking bolt; 33, mounting seat; 34, shaft hole; 35 , sliding shaft; 36, reversing groove; 37, positioning pin; 38, the third spring; 39, box; 40, guide roller; 41, slider; 42, fourth spring; 43, wedge block; 44, adjustment Bolt; 45, trapezoidal block; 46, second base; 47, driving roller; 48, second servo motor; 49, synchronous belt pair; 50, bracket; 51, linear motor; 52, mounting frame; 53, upper pressure roll.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In the description of the present invention, it should be noted that the terms belonging to "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations. This example is written in a progressive manner.

As shown in Figures 1 to 9, a distributed power distribution cable laying device of the present invention includes:

The first base 1, two groups of quick-loading shafts 2 are symmetrically installed on the first base 1, the bobbins 3 are detachably installed between the two groups of quick-loading shafts 2, and the first base 1 is fixedly installed with a U-shaped frame 4 A swing arm 5 is slidably installed on the U-shaped frame 4, and a guide wheel mechanism 6 is fixedly installed on the end of the swing arm 5 by means of a connecting seat 19. The guide wheel mechanism 6 is assembled by two sets of double guide wheel units 20 at ninety degrees to each other. , the sliding route of the swing arm 5 is parallel to the axis of the bobbin 3;

The feeding mechanism 8 is fixedly installed on the first base 1 by means of the servo lifting mechanism 7. The feeding mechanism 8 is used to pull the cable wound on the bobbin 3, and controls the servo according to the thickness of the cable on the bobbin 3. The lifting mechanism 7 is used to adjust the height of the feeding mechanism 8;

Specifically in this embodiment, the spool 3 evenly wound with cables is installed between the two groups of fast-loading shafts 2, and the free ends of the cables pass through the guide wheel mechanism 6 and the feed mechanism 8 in turn, and the feed mechanism 8 is used to Pull the cable with power, and at the same time control the swing arm 5 to reciprocate left and right. The moving speed is the same as the axial moving speed of the cable on the spool 3. When the position of the feed mechanism 8 remains unchanged, the cable can be effectively avoided. The friction between them reduces the wear of the outer surface of the cable.

Further, the specific structure of each group of quick-mounting shafts 2 includes a plum blossom shaft 9, and the plum blossom shaft 9 is slidably installed on the first base 1. By using the plum blossom shaft 9, it can ensure that the bobbin 3 is pulled and rotated by the cable. 9 is always fixed, and the plum blossom shaft 9 is fixedly provided with a pressure plate 10 and an installation shaft 11 in sequence. A spring 13 is installed between the pressure plate 10 and the first base 1, and the first spring 13 is always in a compressed state. Under the action of elastic force, the situation of pulling out from the first base 1 occurs, and the outer end of the plum blossom shaft 9 can also be detachably installed with a pull cap 14, which is convenient for the staff to pull the plum blossom shaft 9 outward;

When it is necessary to replace the bobbin 3, pull the handle cap 14 outwards to make the plum blossom shaft 9 overcome the elastic force of the first spring 13 and move outward until the installation shaft 11 is completely drawn out from the bobbin 3. At this time, the empty Remove the spool 3, place another set of spools 3 wrapped with cables between the two sets of installation shafts 11, loosen the two handle caps 14, and insert the two installation shafts 11 coaxially into the two ends of the spool 3 , complete the replacement of the bobbin 3.

Specifically how the swing arm 5 is slidably installed on the U-shaped frame 4, as shown in Fig. 3 to Fig. 7, a guide rod 15 and a leading screw 16 are installed in parallel on the U-shaped frame 4, and the screw-mounted sleeve on the leading screw 16 is provided with a screw. Lever nut 17, a guide sleeve 18 is slidably installed on the guide rod 15, the screw nut 17 is fixedly connected with the guide sleeve 18, the swing arm 5 is fixedly installed on the guide sleeve 18, and a reversing mechanism 21 is also fixedly installed on the U-shaped frame 4 , for reversing the direction of rotation of the lead screw 16 when the lead screw nut 17 moves to both ends of the lead screw 16;

Further, the reversing mechanism 21 includes two sleeve shafts 22 rotatably mounted on the U-shaped frame 4, the two sleeve shafts 22 are both rotatably sleeved on the lead screw 16, and each sleeve shaft 22 is coaxially and fixedly sleeved There is a passive bevel gear 23, two passive bevel gears 23 are arranged symmetrically, a collar 24 is coaxially fixed on the lead screw 16, the collar 24 is located between the two sleeve shafts 22, and both ends of the collar 24 are provided with synchronous Teeth 25, the end faces of the two sleeve shafts 22 and the collar 24 are provided with synchronous teeth 25, the collar 24 is respectively meshed with the two sleeve shafts 22 through the synchronous teeth 25 when moving left and right with the lead screw 16, and the U-shaped frame 4 The first servo motor 28 is fixedly installed on the top, and the output end of the first servo motor 28 is provided with a driving bevel gear 27, and the driving bevel gear 27 is engaged with two passive bevel gears 23 for transmission; specifically, the collar 24 relies on the first lock Tight bolt 26 is fixedly installed on the leading screw 16;

In this embodiment, by starting the first servo motor 28, the driving bevel gear 27 drives the two passive bevel gears 23 and the two sleeve shafts 22 to rotate along their own axes respectively, and the rotation directions of the two sleeve shafts 22 are opposite. Control the lead screw 16 to move along its own axis, so that the synchronous teeth 25 at both ends of the collar 24 mesh with the synchronous teeth 25 on the two sleeve shafts 22 respectively, so as to realize the control of the forward and reverse rotation of the lead screw 16 .

Specifically how to move the lead screw 16 along the axial direction, the U-shaped frame 4 is fixedly installed with a mounting seat 33, the mounting seat 33 is provided with a shaft hole 34, and the inside of the shaft hole 34 is slidingly installed with a sliding shaft 35 along the axial direction. 35 is coaxially fixedly sleeved on the lead screw 16. Two reversing grooves 36 are arranged on the outer wall of the sliding shaft 35. The distance between the two reversing grooves 36 is equal to the distance that the collar 24 moves left and right. The mounting seat 33 A mounting hole communicating with the shaft hole 34 is also provided on the top, and the positioning pin 37 is installed in the mounting hole by elastic sliding of the third spring 38, and the positioning pin 37 is pressed against the outer wall of the sliding shaft 35;

In this embodiment, by moving the lead screw 16 in the axial direction, the positioning pin 37 and the two reversing grooves 36 are used to limit the movement of the lead screw 16, so as to prevent the collar 24 from not moving in place and causing the collar 24 and sleeve shaft 22 can't engage and keep synchronous situation to take place.

Further, two positioning rings 29 are symmetrically and fixedly installed on the guide rod 15, and two slip rings 30 are also slidably installed on the guide rod 15 at the same time, and the second springs are passed between the two slip rings 30 and the two positioning rings 29 respectively. 31 connection, the positioning ring 29 can be adjusted and installed on the guide rod 15 by means of the second locking bolt 32; when the guide sleeve 18 moves to the left with the lead screw nut 17, the guide sleeve 18 is pressed against the slip ring 30 and the second spring Under the action of the elastic force of 31, the resistance of the guide sleeve 18 to move to the left is increasing. At this time, the guide sleeve 18, the screw nut 17 and the lead screw 16 are subjected to rightward pressure. When the pressure received by the lead screw 16 and the sliding shaft 35 overcomes When the elastic force of the third spring 38 moves to the right, the positioning pin 37 moves from the right reversing groove 36 to the left reversing groove 36. At this time, the collar 24 completes the reversing between the two sleeve shafts 22 to make the wire The bar 16 reverses, thereby driving the lead screw nut 17 and the guide sleeve 18 to move to the right; the same is true when the guide sleeve 18 moves to the far right; the structure is simple, and it is convenient to exchange the reverse rotation of the lead screw 16.

The concrete structure of double guide wheel unit 20 is as shown in Figure 8, and double guide wheel unit 20 comprises the square frame 39 that is fixedly installed on the connecting seat 19, and two guide rollers 40 are installed in rotation in square frame 39; Each guide roller 40 The two ends of each are rotatably mounted on the slide block 41, and the four slide blocks 41 are symmetrically slidably mounted on the frame 39;

Further, the two slide blocks 41 on the same side are elastically connected by a fourth spring 42, and each slide block 41 is fixedly provided with a wedge-shaped block 43, and an adjusting bolt 44 is screwed into the square frame 39, and on the adjusting bolt 44 A trapezoidal block 45 is installed in rotation, and the trapezoidal block 45 is slidably installed between the two wedge-shaped blocks 43, and the two slopes of the trapezoidal block 45 are respectively wedged with the slopes of the two wedge-shaped blocks 43;

In this embodiment, the relative positional relationship between the trapezoidal block 45 and the two wedge-shaped blocks 43 can be adjusted by turning the adjusting bolt 44, thereby adjusting the distance between the two guide rollers 40 so that it can be aligned with the cable to be guided and conveyed. Matching; by setting two sets of double guide wheel units 20 at 90 degrees, the four guide rollers 40 on the two sets of double guide wheel units 20 can be used to limit the four directions of the cables in a well-shaped shape, reducing cables and Friction between other structures.

The concrete structure of feeding mechanism 8 is shown in Figure 9, and feeding mechanism 8 comprises the second base 46 that is fixedly installed on the servo lifting mechanism 7, and the second base 46 is rotatably installed with at least three drive rollers 47, three Carry out synchronous transmission through synchronous belt pair 49 between two driving rollers 47, the second servomotor 48 that drives wherein one driving roller 47 rotates is fixedly installed on the second base 46, and bracket 50 is fixedly installed on the second base 46, A linear motor 51 is vertically installed on the bracket 50, and the output end of the linear motor 51 is fixedly connected with a mounting frame 52. At least two upper pressing rollers 53 are installed on the mounting frame 52, and the upper pressing rollers 53 are located at two adjacent driving rollers 47. directly above between;

In this embodiment, by controlling the linear motor 51, several upper pressing rollers 53 press the cable on several driving rollers 47, and by starting the second servo motor 48, under the transmission of the synchronous belt pair 49, the drive Several driving rollers 47 rotate synchronously along their own axes to realize the transmission of cables.

A distributed power distribution cable laying device of the present invention, its installation method, connection method or setting method are all common mechanical methods, as long as it can achieve its beneficial effect, it can be implemented.

The above are only preferred embodiments of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a distributed power grid distribution cable laying device which characterized in that includes:

the bobbin fixing device comprises a first base (1), wherein two groups of quick-mounting shafts (2) are symmetrically mounted on the first base (1), a bobbin (3) is detachably mounted between the two groups of quick-mounting shafts (2), a U-shaped frame (4) is fixedly mounted on the first base (1), a swing arm (5) is slidably mounted on the U-shaped frame (4), a guide wheel mechanism (6) is fixedly mounted at the end part of the swing arm (5) by virtue of a connecting seat (19), the guide wheel mechanism (6) is formed by assembling two groups of double guide wheel units (20) at ninety degrees, and the sliding route of the swing arm (5) is parallel to the axis of the bobbin (3);

the feeding mechanism (8) is fixedly mounted on the first base (1) through the servo lifting mechanism (7), the feeding mechanism (8) is used for drawing the cable wound on the spool (3), and the servo lifting mechanism (7) is controlled according to the thickness of the cable on the spool (3) to adjust the height of the feeding mechanism (8).

2. The distributed power distribution cable laying device for the power grid according to claim 1, wherein the quick-mounting shaft (2) comprises a quincunx shaft (9), the quincunx shaft (9) is slidably mounted on the first base (1), a pressure plate (10) and a mounting shaft (11) are sequentially and fixedly arranged on the quincunx shaft (9), the spool (3) is rotatably mounted on the mounting shafts (11) of the two groups of quincunx shafts (9), a first spring (13) is sleeved on the quincunx shaft (9), the first spring (13) is mounted between the pressure plate (10) and the first base (1), the first spring (13) is always in a compressed state, and a limit ring (12) is fixedly mounted on the quincunx shaft (9).

3. The distributed power distribution cable laying device for the power grid according to claim 1, wherein a guide rod (15) and a lead screw (16) are installed on the U-shaped frame (4) in parallel, a lead screw nut (17) is installed on the lead screw (16) in a threaded and sleeved mode, a guide sleeve (18) is installed on the guide rod (15) in a sliding mode, the lead screw nut (17) is fixedly connected with the guide sleeve (18), the swing arm (5) is fixedly installed on the guide sleeve (18), and a reversing mechanism (21) is further fixedly installed on the U-shaped frame (4) and used for reversing the rotating direction of the lead screw (16) when the lead screw nut (17) moves to two ends of the lead screw (16).

4. A distributed power distribution cable laying apparatus according to claim 3, wherein the reversing mechanism (21) includes two sleeve shafts (22) rotatably mounted on the U-shaped frame (4), the two sleeve shafts (22) are rotatably sleeved on the lead screw (16), each sleeve shaft (22) is coaxially and fixedly sleeved with a driven bevel gear (23), the two driven bevel gears (23) are symmetrically arranged, the lead screw (16) is coaxially and fixedly provided with a sleeve ring (24), the sleeve ring (24) is located between the two sleeve shafts (22), two ends of the sleeve ring (24) are provided with synchronous teeth (25), the end surfaces of the two sleeve shafts (22) close to the sleeve ring (24) are provided with synchronous teeth (25), the U-shaped frame (4) is fixedly mounted with the first servo motor (28), the output end of the first servo motor (28) is provided with the driving bevel gear (27), and the driving bevel gear (27) is respectively engaged with the two driven bevel gears (23).

5. The distributed power distribution cable laying device according to claim 4, further comprising a positioning pin (37), wherein the U-shaped frame (4) is fixedly provided with a mounting seat (33), the mounting seat (33) is provided with a shaft hole (34) in a penetrating manner, the shaft hole (34) is provided with a sliding shaft (35) in a sliding manner, the sliding shaft (35) is coaxially and fixedly sleeved on the lead screw (16), the outer wall of the sliding shaft (35) is provided with two reversing grooves (36), the mounting seat (33) is further provided with a mounting hole communicated with the shaft hole (34), the positioning pin (37) is elastically and slidably mounted in the mounting hole by means of a third spring (38), and the positioning pin (37) abuts against the outer wall of the sliding shaft (35).

6. A distributed power grid distribution cable laying apparatus according to claim 5, wherein two positioning rings (29) are symmetrically and fixedly mounted on the guide bar (15), and two sliding rings (30) are slidably mounted on the guide bar (15), the two sliding rings (30) are connected to the two positioning rings (29) through second springs (31), and the positioning rings (29) are adjustably mounted on the guide bar (15) by means of second locking bolts (32).

7. A distributed network distribution cable installation according to claim 1, wherein the double guide wheel unit (20) comprises a frame (39) fixedly mounted on the connecting base (19), the frame (39) being rotatably mounted with two guide rollers (40); two ends of each guide roller (40) are rotatably arranged on the sliding blocks (41), and the four sliding blocks (41) are symmetrically and slidably arranged on the frame (39).

8. The distributed power distribution cable laying device according to claim 7, wherein two sliders (41) on the same side are elastically connected through a fourth spring (42), each slider (41) is fixedly provided with a wedge block (43), an adjusting bolt (44) is screwed into the square frame (39), the adjusting bolt (44) is rotatably provided with a trapezoid block (45), the trapezoid block (45) is slidably mounted between the two wedge blocks (43), and two inclined surfaces of the trapezoid block (45) are respectively wedged with inclined surfaces of the two wedge blocks (43).

9. The distributed power grid distribution cable laying device according to claim 1, wherein the feeding mechanism (8) includes a second base (46) fixedly mounted on the servo lifting mechanism (7), at least three driving rollers (47) are rotatably mounted on the second base (46), a second servo motor (48) for driving the driving rollers (47) to rotate is fixedly mounted on the second base (46), a support (50) is fixedly mounted on the second base (46), a linear motor (51) is vertically mounted on the support (50), an output end of the linear motor (51) is fixedly connected with a mounting rack (52), at least two upper compression rollers (53) are mounted on the mounting rack (52), and the upper compression rollers (53) are located right above between two adjacent driving rollers (47).

10. A distributed grid electrical distribution cable installation according to claim 4, wherein the collar (24) is fixedly mounted on the lead screw (16) by means of a first locking bolt (26).

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