Power distribution network erecting and reinforcing device and cable reinforcing and tensioning regulation and control method

Abstract

The invention discloses a power distribution network erecting and reinforcing device and a cable reinforcing and tensioning regulation and control method in the technical field of power grid erecting. The power distribution network erecting and reinforcing device comprises a telegraph pole, mounting bases are fixedly connected to the left side face and the right side face of the telegraph pole correspondingly, and wiring supports are fixedly connected to the side faces, away from each other, of the two mounting bases; the upper surface of each stringing support is fixedly connected with a set of clamping devices, the left side face and the right side face of the telegraph pole are fixedly connected with an inclined strut support and a U-shaped supporting frame, and the bottom face of each stringing support is connected with the inner wall of the U-shaped supporting frame in a clamped mode. The upper surface of each inclined strut bracket is fixedly connected with a group of cable fixing mechanisms, and the cable fixing mechanisms can be used for carrying out auxiliary clamping and fixing on the distribution network cable, so that the distribution network cable can be conveniently and stably erected; the other side face, opposite to the cable fixing mechanism, of each stringing support is provided with a cable tensioning control mechanism, tensioning regulation and control can be conducted on the distribution network cable through the cable tensioning control mechanisms, and therefore the tension borne by the distribution network cable is controlled.

Description

Technical Field

[0001] The invention relates to a distribution network erection reinforcement device and a cable reinforcement and tensioning control method, belonging to the technical field of power network erection. Background Art

[0002] The distribution system is an electric power network system composed of a variety of distribution equipment (or components) and distribution facilities that transform voltage and directly distribute electric energy to end users. The distribution network is composed of overhead lines, poles, cables, distribution transformers, switchgear, reactive compensation capacitors and other distribution equipment and ancillary facilities. Its main function in the power grid is to distribute electric energy. In the process of grid construction, grid line supports are often required. With the development of society and the acceleration of urbanization, distribution network facilities have gradually been improved. In order to ensure the safe construction of the grid, it is often necessary to clamp the grid supports.

[0003] A Chinese patent with announcement number CN218498783U discloses an easy-to-install power distribution network rack, including a pole body and a support plate, on which a clamping assembly is installed; the clamping assembly includes a clamping block, a first threaded rod, a first rotating wheel, a second threaded rod, a second rotating wheel, a limit block and a connecting plate, and the upper surface of the support plate is slidably connected to the connecting plate. However, in the above patent, the support plate for erecting the power grid is installed and fixed at the top of the pole through a mounting seat, and the support plate cannot be supported obliquely, so its stability is poor, and it is impossible to effectively assist in clamping and tensioning the distribution network cable, which easily causes the distribution network cable to sag. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a distribution network erection reinforcement device and a cable reinforcement and tensioning control method.

[0005] The technical solution of the present invention is as follows:

[0006] A distribution network erection reinforcement device, comprising a power pole, the left and right sides of the power pole are fixedly connected with mounting seats, the sides of the two mounting seats that are away from each other are fixedly connected with a wire rack through mounting screws, the upper surface of each wire rack is fixedly connected with a group of clamps, the left and right sides of the power pole are fixedly connected with diagonal bracing brackets through two groups of mounting bolts, the upper surface of each diagonal bracing bracket is fixedly connected with a U-shaped support frame, and the bottom surface of each wire rack is clamped with the inner wall of the U-shaped support frame;

[0007] A set of cable fixing mechanisms are fixedly connected to the upper surface of each of the diagonal bracing brackets, and the distribution network cables can be auxiliary clamped by the cable fixing mechanisms, so as to facilitate the stable installation of the distribution network cables;

[0008] A group of cable tensioning control mechanisms are arranged on the other side of each of the wiring brackets relative to the cable fixing mechanism, and the cable tensioning control mechanisms can be used to adjust and control the tension of the distribution network cables, thereby controlling the tension of the substation cables.

[0009] As a preferred solution, the cable fixing mechanism includes a support rod fixed to the upper surface of the diagonal support bracket, the top of each support rod is fixedly connected to a U-shaped hoop, a wire clamp is provided above the U-shaped hoop, the left and right sides of the U-shaped hoop are fixedly connected to a fastening plate, the upper surface of the fastening plate is provided with mounting screw holes, the upper surface of the wire clamp is sleeved with fastening bolts, and the bottom ends of the fastening bolts are threadedly connected to the inner walls of the mounting screw holes.

[0010] As a preferred solution, the cable tensioning control mechanism includes an oblique support seat fixedly arranged on the side of the cable rack, a mounting frame is fixedly arranged on the top of the oblique support seat, a mounting shaft is fixedly arranged in the middle of the mounting frame, a triangular seat is fixedly arranged on the mounting shaft, and slide grooves are respectively arranged on the three side directions of the triangular seat, and telescopic rods are movably inserted in the slide grooves, and the ends of the telescopic rods are fixedly connected with arc-shaped support plates, a gear plate is rotatably installed on the mounting shaft, the gear plate is located at the front side of the triangular seat, a fixing pin is fixedly arranged on the telescopic rod, and a track groove is opened on the gear plate for slidingly cooperating with the fixing pin, and the track line of the track groove is arranged to change the distance from the center of the gear plate; a servo motor is installed at the lower back of the mounting frame, the output shaft of the servo motor extends into the inner cavity of the mounting frame and is fixedly installed with a driving gear, and the driving gear is meshed with the gear plate; fixed guide wheels are respectively arranged at the lower left and right sides of the gear plate, and the fixed guide wheels are rotatably installed on the mounting frame through the guide wheel shaft.

[0011] As a preferred solution, two groups of symmetrical stabilizing blocks are fixedly connected to the outer surface of the utility pole, and the side surfaces of the two groups of stabilizing blocks that are far away from each other are respectively fixedly connected to the side surfaces of the two mounting seats that are close to each other.

[0012] As a preferred solution, the front and back sides of each U-shaped support frame are threadedly connected with positioning bolts, the front and back sides of each cable rack are provided with positioning holes, and the output end of each positioning bolt is located inside the positioning hole.

[0013] As a preferred solution, a carrying handle is fixedly connected to the upper surface of each wire crimping clamp, and the carrying handle is located in the middle of the wire crimping clamp.

[0014] As a preferred solution, a pull rod is fixedly connected to the outer surface of each support rod, and the rear end of each pull rod is fixedly connected to the front side of the wire rack.

[0015] As a preferred solution, a fastening screw hole is provided on the upper surface of each of the clamps, a holding screw is threadedly connected to the inner wall of each fastening screw hole, and a non-slip rough surface is provided at the bottom end of each holding screw.

[0016] A cable installation and reinforcement method uses the aforementioned distribution network installation and reinforcement device, and installs a cable rack onto the mounting seats on both sides of the pole through the cooperation of mounting screws and mounting nuts, and connects and fixes the mounting seats through stabilizing blocks, and installs the diagonal support bracket on the pole through the cooperation of mounting bolts and nuts, and uses a U-shaped support frame to support the bottom of the cable rack, effectively increasing the stability of the cable rack, inserting the power grid cable into the clamp to clamp the cable, and placing the cable inside the U-shaped hoop, then clamping the wire clamp, and turning the fastening bolt to thread it into the mounting screw hole, so as to perform secondary reinforcement on the distribution network cable and achieve stable installation of the distribution network cable.

[0017] A cable installation tensioning and control method uses the aforementioned distribution network installation reinforcement device, and passes the cable through the gap between the fixed guide wheels on both sides and the arc-shaped support plate and tensions it for installation. When in use, the servo motor is remotely controlled to rotate, thereby driving the gear plate to rotate through the engagement of the driving gear with the gear plate, and then driving the fixed pin and the telescopic rod to telescope through the track groove, thereby driving the arc-shaped support plate to move axially along the telescopic rod, and the three arc-shaped support plates move synchronously, so that the tensioning force can be adjusted to increase or decrease according to the current tensioning state of the cable, thereby realizing remote dynamic tensioning adjustment.

[0018] Beneficial Effects

[0019] The present invention can fix the wiring bracket and provide bottom support through the stabilizing block, diagonal support bracket, U-shaped support frame, positioning bolts and positioning holes provided by the cable fixing mechanism, effectively increase the overall stability of the wiring bracket, facilitate the stable installation of the distribution network cable, and can assist in clamping and fixing the end of the distribution cable through the provided support rod, U-shaped hoop, wire clamp, fastening bolts and mounting screw holes; in addition, through the remote control dynamic adjustment mode of the cable tensioning control mechanism, the tensioning force of the distribution cable is enhanced, and the problem of sagging of the distribution network cable is effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the overall three-dimensional structure of the reinforcement device for the distribution network;

[0021] Figure 2 Rear view of utility poles being reinforced for the power distribution grid;

[0022] Figure 3 Side view of a utility pole being erected in a reinforcement system for a power distribution network;

[0023] Figure 4 It is a schematic diagram of the overall three-dimensional structure of the U-shaped hoop in the reinforcement device for the power distribution network;

[0024] Figure 5 A schematic diagram of the installation position of the cable tensioning control mechanism in the reinforcement device for the distribution network;

[0025] Figure 6 Schematic diagram of the cable tensioning control mechanism structure in the reinforcement device for the distribution network. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Example 1

[0028] Please refer to Figures 1 to 4 As shown, a distribution network erection reinforcement device includes a power pole 1, and the left and right sides of the power pole 1 are fixedly connected with mounting seats 3, and the sides of the two mounting seats 3 that are far away from each other are fixedly connected with a wire rack 8 by mounting screws, and the distribution network cable can be installed and erected through the wire rack 8, and the upper surface of each wire rack 8 is fixedly connected with a group of clamps 5, and the distribution network cable can be clamped by the clamp 5, which is convenient for the cable erection work, and the left and right sides of the power pole 1 are fixedly connected with diagonal brace brackets 11 by two groups of mounting bolts, and the upper surface of each diagonal brace bracket 11 is fixedly connected with a U-shaped support frame 10, and the bottom surface of each wire rack bracket 8 is snap-fitted with the inner wall of the U-shaped support frame 10, and the wire rack bracket 8 can be fixedly connected with the diagonal brace bracket 11 and the U-shaped support frame 10. The bottom support effectively increases the stability of the wire rack 8. A group of cable fixing mechanisms 30 are fixedly connected to the upper surface of each diagonal support bracket 11. The cable fixing mechanism 30 includes a support rod 12 fixed to the upper surface of the diagonal support bracket 11. The top of each support rod 12 is fixedly connected to a U-shaped hoop 13. A wire clamp 14 is provided above each U-shaped hoop 13. The left and right sides of each U-shaped hoop 13 are fixedly connected to a fastening plate 18. A mounting screw hole 19 is provided on the upper surface of each fastening plate 18. A fastening bolt 20 is sleeved on the upper surface of each wire clamp 14. The bottom end of each fastening bolt 20 is threadedly connected to the inner wall of the mounting screw hole 19. The bolt tightening of the U-shaped hoop 13 and the wire clamp 14 can assist in clamping the distribution network cable, which is convenient for the stable installation of the distribution network cable.

[0029] Optionally, two sets of symmetrical stabilizing blocks 2 are fixedly connected to the outer surface of the utility pole 1, and the sides of the two sets of stabilizing blocks 2 that are far away from each other are respectively fixedly connected to the sides of the two mounting seats 3 that are close to each other. In the actual implementation process, the mounting seats 3 can be connected and fixed, effectively increasing the stability of the wire rack 8.

[0030] Optionally, the front and back sides of each U-shaped support frame 10 are both threadedly connected with positioning bolts 9, the front and back sides of each cable rack 8 are both provided with positioning holes 17, and the output end of each positioning bolt 9 is located inside the positioning hole 17. In the actual implementation process, the U-shaped support frame 10 can be installed and fixed on the cable rack 8, so as to provide stable support for the cable rack 8.

[0031] Optionally, the upper surface of each crimping hoop 14 is fixedly connected with a carrying handle 4, and the carrying handle 4 is located in the middle of the crimping hoop 14. In the actual implementation process, it is possible for the staff to more conveniently pick up the crimping hoop 14, which is convenient for pressing and fixing the cable.

[0032] Optionally, the outer surface of each support rod 12 is fixedly connected with a pull rod 16, and the rear end of each pull rod 16 is fixedly connected to the front of the wire rack 8. In the actual implementation process, the support rod 12 can be pulled and fixed, which effectively increases the stability of the support rod 12.

[0033] Optionally, each clamp 5 has a fastening screw hole 7 on its upper surface, each fastening screw hole 7 has a holding screw 6 threadedly connected to its inner wall, and each holding screw 6 has a non-slip rough surface 15 at its bottom. In actual implementation, the cable can be fastened to the inside of the clamp 5, which is convenient for the stable installation of the distribution network cable.

[0034] Based on this, the present embodiment provides a cable installation and reinforcement method. When in use, the wiring bracket 8 is first installed on the mounting seat 3 on both sides of the utility pole 1 by means of the cooperation of the mounting screws and the mounting nuts, and the mounting seat 3 is connected and fixed by the stabilizing block 2. At the same time, the diagonal support bracket 11 is installed on the utility pole 1 by means of the cooperation of the mounting bolts and nuts, and the bottom of the wiring bracket 8 is supported by the U-shaped support frame 10, thereby effectively increasing the stability of the wiring bracket 8. The power grid cable is inserted into the clamp 5 to clamp the cable, and the cable is placed inside the U-shaped hoop 13, and then the wire clamp 14 is inserted, and the fastening bolt 20 is turned to be threadedly connected to the inside of the mounting screw hole 19, so as to perform secondary reinforcement on the distribution network cable and realize the stable installation of the distribution network cable.

[0035] Example 2

[0036] A distribution network erection reinforcement device based on Example 1 is designed to better improve the phenomenon of cable sagging caused by shrinkage and expansion due to changes in temperature in the environment; in this embodiment, a set of cable tensioning control mechanisms 40 are provided on the other side of the cable rack 8 relative to the cable fixing mechanism, and the distribution network cable can be tensioned and regulated by the cable tensioning control mechanism 40, thereby controlling the tension of the power cable;

[0037] Specifically, Figure 5-6As shown, the cable tension control mechanism 40 includes an inclined support 41 fixedly arranged on the side of the cable rack 8, a mounting frame 42 is fixedly arranged on the top of the inclined support 41, a mounting shaft 420 is fixedly arranged in the middle of the mounting frame 42, a triangular seat 43 is fixedly installed on the mounting shaft 420, and three side directions of the triangular seat 43 are respectively provided with slide grooves 44, and telescopic rods 45 are movably inserted in the slide grooves 44, and the ends of the telescopic rods 45 are fixedly connected to the arc-shaped support plate 46, and a gear plate 47 is rotatably installed on the mounting shaft 420, and the gear plate 47 is located on the front side of the triangular seat 43. A fixing pin 48 is fixedly provided on the rod 45, and a track groove 49 slidably matched with the fixing pin 48 is opened on the gear plate 47, and the track line of the track groove 49 is set at a distance from the center of the gear plate 47 in varying distances; a servo motor 410 is installed at the lower back of the installation frame 42, and the output shaft 411 of the servo motor 410 extends into the inner cavity of the installation frame 42 and is fixedly installed with a driving gear 412, and the driving gear 412 is meshed with the gear plate 47; fixed guide wheels 413 are respectively provided at the lower left and right sides of the gear plate 47, and the fixed guide wheel 413 is rotatably installed on the installation frame 42 through a guide wheel shaft 414.

[0038] Based on this, the present embodiment provides a cable installation tensioning and regulating method, by passing the cable through the gap between the fixed guide wheels 413 on both sides and the arc-shaped support plate 46 and tensioning the cable. When in use, the servo motor 410 is remotely controlled to rotate, thereby driving the gear plate 47 to rotate by engaging the driving gear 412 with the gear plate 47, and then driving the fixed pin 48 and the telescopic rod 45 to telescope through the track groove 49, thereby driving the arc-shaped support plate 46 to move axially along the telescopic rod 45, and the three arc-shaped support plates 46 move synchronously, so that the tensioning force can be adjusted to increase or decrease according to the current tensioning state of the cable, thereby realizing remote dynamic tensioning adjustment.

[0039] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A distribution network erection reinforcement device, characterized in that: The utility pole (1) comprises a mounting seat (3) fixedly connected to the left and right sides of the utility pole (1); the sides of the two mounting seats (3) away from each other are fixedly connected to a wire rack (8) by means of mounting screws; the upper surface of each wire rack (8) is fixedly connected to a group of clamps (5); the left and right sides of the utility pole (1) are fixedly connected to a diagonal brace (11) by means of two groups of mounting bolts; the upper surface of each diagonal brace (11) is fixedly connected to a U-shaped support frame (10); the bottom surface of each wire rack (8) is snap-fitted to the inner wall of the U-shaped support frame (10); A group of cable fixing mechanisms (30) are fixedly connected to the upper surface of each diagonal support bracket (11), and the distribution network cables can be auxiliary clamped by the cable fixing mechanisms (30), so as to facilitate the stable installation of the distribution network cables; Each of the wiring brackets (8) is provided with a group of cable tension control mechanisms (40) on the other side of the cable fixing mechanism. The cable tension control mechanisms (40) can be used to adjust the tension of the distribution network cables, thereby controlling the tension of the power cables.

2. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The cable fixing mechanism comprises a support rod (12) fixed to the upper surface of the diagonal support bracket (11), the top end of each support rod (12) is fixedly connected to a U-shaped hoop (13), a wire clamp (14) is arranged above the U-shaped hoop (13), the left and right sides of the U-shaped hoop (13) are fixedly connected to a fastening plate (18), the upper surface of the fastening plate (18) is provided with a mounting screw hole (19), the upper surface of the wire clamp (14) is sleeved with a fastening bolt (20), and the bottom end of the fastening bolt (20) is threadedly connected to the inner wall of the mounting screw hole (19).

3. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The cable tensioning control mechanism (40) comprises an inclined support seat (41) fixedly arranged on the side of the cable rack (8), a mounting frame (42) fixedly arranged on the top of the inclined support seat (41), a mounting shaft (420) fixedly arranged in the middle of the mounting frame (42), a triangular seat (43) fixedly arranged on the mounting shaft (420), sliding grooves (44) respectively arranged on the three side directions of the triangular seat (43), telescopic rods (45) movably inserted in the sliding grooves (44), the ends of the telescopic rods (45) fixedly connected to the arc-shaped support plate (46), a gear plate (47) rotatably mounted on the mounting shaft (42), the gear plate (47) being located on the front side of the triangular seat (43), and the telescopic rod (45) being rotatably mounted on the mounting shaft (42). A fixing pin (48) is fixedly arranged on the mounting frame (45), and a track groove (49) is provided on the gear plate (47) to be slidably matched with the fixing pin (48), and the track line of the track groove (49) is arranged at a distance from the center of the gear plate (47) in a manner of varying distances; a servo motor (410) is installed at the lower back of the mounting frame (42), and the output shaft (411) of the servo motor (410) extends into the inner cavity of the mounting frame (42) and is fixedly installed with a driving gear (412), and the driving gear (412) is meshed with the gear plate (47); fixed guide wheels (413) are respectively arranged at the lower left and right sides of the gear plate (47), and the fixed guide wheels (413) are rotatably installed on the mounting frame (42) through guide wheel shafts (414).

4. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: Two groups of symmetrical stabilizing blocks (2) are fixedly connected to the outer surface of the electric pole (1), and the side surfaces of the two groups of stabilizing blocks (2) that are far away from each other are respectively fixedly connected to the side surfaces of the two mounting seats (3) that are close to each other.

5. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The front and back sides of each U-shaped support frame (10) are both threadedly connected with positioning bolts (9), the front and back sides of each wiring bracket (8) are both provided with positioning holes (17), and the output end of each positioning bolt (9) is located inside the positioning hole (17).

6. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The upper surface of each wire crimping hoop (14) is fixedly connected to a carrying handle (4), and the carrying handle (4) is located in the middle of the wire crimping hoop (14).

7. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The outer surface of each support rod (12) is fixedly connected to a pull rod (16), and the rear end of each pull rod (16) is fixedly connected to the front side of the wire rack (8).

8. A distribution network erection reinforcement device as claimed in claim 1, characterized in that: The upper surface of each of the clamps (5) is provided with a fastening screw hole (7), the inner wall of each fastening screw hole (7) is threadedly connected with a holding screw (6), and the bottom end of each holding screw (6) is provided with an anti-slip rough surface 15.

9. A cable installation and reinforcement method, using a distribution network installation and reinforcement device as claimed in claim 2, characterized in that: By means of the cooperation of the mounting screws and the mounting nuts, the wiring bracket 8 is installed on the mounting seats 3 on both sides of the utility pole 1, and the mounting seats 3 are connected and fixed by means of the stabilizing blocks 2. At the same time, by means of the cooperation of the mounting bolts and nuts, the diagonal support bracket 11 is installed on the utility pole 1, and the bottom of the wiring bracket 8 is supported by the U-shaped support frame 10, thereby effectively increasing the stability of the wiring bracket 8. The power grid cable can be inserted into the clamp 5 to clamp the cable, and the cable is placed inside the U-shaped hoop 13, and then inserted into the wire clamp 14, and the fastening bolts 20 are turned to be threadedly connected to the inside of the mounting screw holes 19, so as to perform secondary reinforcement on the distribution network cable and realize the stable installation of the distribution network cable.

10. A cable installation tension control method, using a distribution network installation reinforcement device as claimed in claim 3, characterized in that: The cable is passed through the gap between the fixed guide wheels (413) on both sides and the arc-shaped support plate (46) and tensioned and erected. When in use, the servo motor (410) is remotely controlled to rotate, thereby driving the gear plate (47) to rotate by engaging the driving gear (412) with the gear plate (47), and then driving the fixed pin (48) and the telescopic rod (45) to telescope through the track groove (49), thereby driving the arc-shaped support plate (46) to move axially along the telescopic rod (45), and the three arc-shaped support plates (46) move synchronously, so that the tensioning force can be adjusted to increase or decrease according to the current tensioning state of the cable, thereby realizing remote dynamic tensioning adjustment.

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