Cable laying device based on pumped storage power station

Abstract

The invention discloses a pumped storage power station-based cable laying device, which comprises a cable laying machine (1) and a cable arranging machine (2) which are connected with each other, and further comprises a cable pressing mechanism and a cable holder which are arranged at the rear end of the cable laying machine (1), the cable pressing mechanism comprises a first stand column (3), one side of the first stand column (3) is rotatably connected with a swing frame (4), and the other side of the first stand column (3) is rotatably connected with the cable laying machine (2). The end part of the swing frame (4) is fixedly connected with a main shaft (5), the middle part of the main shaft (5) is rotatably connected with a wire pressing roller (6), the end part of the main shaft (5) is detachably connected with a limiting rod (7), the end part of the limiting rod (7) extends to the radial outer side of the wire pressing roller (6) and is rotatably connected with a roller (8), and a wiring groove for a cable to pass through is formed between the roller (8) and the wire pressing roller (6). According to the invention, the laying stability of the cable can be improved.

Description

Technical Field

[0001] The invention relates to a cable laying device, in particular to a cable laying device based on a pumped storage power station. Background Art

[0002] Pumped storage power stations generally use 3 loops of 500kV cables starting from the underground GIS, along the long-distance outlet tunnel to the cable mezzanine of the ground GIS switch building, and then connected to the ground GIS; this requires the manufacturer to lay the cables during the installation process. At present, the laying device for long-distance cables generally consists of a cable spreading machine, a cable laying machine and a roller, in which the cable spreading machine is installed at the end position and is used to roll the cable on the cable rack; the cable laying machine is used in conjunction with cable hoists, traction machines, cable laying pulleys and other equipment to pull and position the cables to achieve the cable laying effect; multiple rollers are arranged at intervals on both sides of the cable laying machine and move with the cable laying machine, thereby supporting the cable and reducing the friction of the cable during transportation.

[0003] However, the disadvantage of this cable laying method is that the speed of the cable unwinding machine and the speed of the cable arranging machine cannot be kept completely consistent, which often causes the cable to become loose or over-tightened during the laying process due to the speed difference between the two, thus affecting the laying effect of the cable. On the other hand, when the cable is too loose, it is easy to cause the cable to drag on the ground or the cable to detach from the roller, thus affecting the laying stability and quality of the cable.

[0004] In addition, due to factors such as the external environment and unexpected interference, the cable laying machine will not maintain a uniform speed during the cable laying process and often needs to stop. Once there is a deviation in the stopping time of the cable unwinding machine and the cable laying machine, it will easily cause excessive cable laying, which further increases the possibility of the cable loosening and falling, affecting the stability of cable laying.

[0005] Therefore, the existing cable laying method has the problem of poor laying stability. Summary of the invention

[0006] The purpose of the present invention is to provide a cable deployment device based on a pumped storage power station, which can improve the laying stability of the cable.

[0007] The technical solution of the present invention is as follows: a cable deployment device based on a pumped-storage power station comprises a cable deployment machine and a cable arrangement machine which are connected to each other, and also comprises a wire pressing mechanism and a wire rack arranged at the rear end of the cable deployment machine, wherein the wire pressing mechanism comprises a first column, one side of the first column is rotatably connected to a swing frame, the end of the swing frame is fixedly connected to a main shaft, the middle part of the main shaft is rotatably connected to a wire pressing roller, the end of the main shaft is detachably connected to a limit rod, the end of the limit rod extends to the radially outer side of the wire pressing roller and is rotatably connected to a roller, and a wiring groove for the cable to pass through is formed between the roller and the wire pressing roller.

[0008] In the aforementioned cable deployment device based on a pumped-storage power station, counterweights are detachably connected to the swing frames on both sides of the first column.

[0009] In the aforementioned cable deployment device based on a pumped-storage power station, the limit rod is L-shaped in shape, the end of the main shaft is slidably connected to the limit rod through a slide groove, and a locking screw threadedly connected to the main shaft is provided on one side of the slide groove. The locking screw is used to axially limit the limit rod after being screwed in.

[0010] In the aforementioned cable deployment device based on a pumped storage power station, the end of the locking screw is in contact with the side wall of the limiting rod.

[0011] In the aforementioned cable deployment device based on a pumped storage power station, a tooth groove is provided on the side wall of the limit rod, the outer part of the tooth groove is engaged with a tooth plate located in the slide groove, and the end of the locking screw extends into the slide groove and engages with the tooth plate.

[0012] In the aforementioned cable deployment device based on a pumped-storage power station, a first baffle is fixedly connected to one side of the limit rod, and a limit nut is threadedly connected to the other side of the limit rod. A second baffle is provided on the inner side of the limit nut and is sleeved on the limit rod. The first baffle and the second baffle are respectively located on the left and right sides of the roller and are used to limit the roller axially.

[0013] In the aforementioned cable deployment device based on a pumped storage power station, the wire rack includes a second column, a telescopic rod is slidably connected to the second column, and a conductor roller is rotatably connected to the upper end of the telescopic rod.

[0014] In the aforementioned cable deployment device based on a pumped storage power station, sensors located on the upper and lower sides of the swing frame are detachably connected to the first column, and the sensors are used to control the cable deployment machine to change speed after the swing frame rotates to a high position or a low position.

[0015] Compared with the prior art, the present invention has the following characteristics:

[0016] (1) The present invention cooperates with the structure of the swing frame and the wire pressing roller so that the cable can be pressed and tensioned after it is extended, and floats up and down with the extension of the cable, thereby alleviating the looseness of the cable caused by excessive extension or the over-tensioning problem caused by insufficient excessive release, and effectively improving the laying stability of the cable; on this basis, through the coordinated setting of the limit rod and the roller, an annular wiring groove can be formed on the outside of the cable, thereby preventing the cable from detaching from the wire pressing roller after excessive extension, thereby facilitating the subsequent re-tightening of the cable, and further improving the laying stability of the cable of the present invention;

[0017] (2) By limiting the connection structure of the limit rod and the roller, the extension position of the limit rod on the main shaft and the lateral position of the roller on the limit rod can be adjusted as needed, thereby ensuring that the roller can press the cable stably after adjustment to prevent the cable from being detached after being loosened, and can also be applied to cables of different outer diameters, thereby improving the applicability of the present invention;

[0018] (3) By coordinating the structure of the swing frame and the counterweight, the manufacturer can control the tension of the cable by adjusting the weight of the counterweight, thereby ensuring that the cable is fully tensioned under the pressure while avoiding excessive pressure on the cable roller;

[0019] Therefore, the present invention can improve the laying stability of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the installation of the wire pressing roller and the limit rod in Example 1;

[0022] Figure 3 It is a schematic diagram of the installation of the wire pressing roller and the limit rod in Example 2.

[0023] The marks in the attached drawings are: 1-cable unwinding machine, 2-cable arranging machine, 3-first column, 4-swing frame, 5-spindle, 6-wire pressing roller, 7-limiting rod, 8-roller, 9-counterweight, 10-slide, 11-locking screw, 12-tooth plate, 13-first baffle, 14-limiting nut, 15-second baffle, 16-second column, 17-telescopic rod, 18-conductor roller, 19-sensor, 701-tooth groove. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0025] Embodiment 1. A cable deployment device based on a pumped storage power station is constructed as follows Figure 1 and2 As shown, it includes a cable unwinding machine 1 and a cable arranging machine 2 that are connected to each other. A plurality of supporting wheels can be arranged on both sides of the cable arranging machine 2 as needed. It also includes a wire pressing mechanism and a wire rack arranged at the rear end of the cable unwinding machine 1. The wire pressing mechanism includes a first column 3. One side of the first column 3 is rotatably connected to a swing frame 4. The end of the swing frame 4 is fixedly connected to a main shaft 5. The middle part of the main shaft 5 is rotatably connected to a wire pressing roller 6. A V-shaped groove for buckling the cable is formed on the outside of the wire pressing roller 6. The end of the main shaft 5 is detachably connected to a limiting rod 7. The end of the limiting rod 7 extends to the radially outer side of the wire pressing roller 6 and is rotatably connected to a roller 8. A wiring groove for the cable to pass through is formed between the roller 8 and the wire pressing roller 6.

[0026] The swing frames 4 on both sides of the first column 3 are detachably connected with counterweights 9 .

[0027] The limiting rod 7 is L-shaped in shape, and the end of the main shaft 5 is slidably connected to the limiting rod 7 via a slide groove 10. A locking screw 11 threadedly connected to the main shaft 5 is provided on one side of the slide groove 10. The locking screw 11 is used to axially limit the limiting rod 7 after being screwed in.

[0028] The end of the locking screw 11 is in contact with the side wall of the limiting rod 7 .

[0029] A first baffle 13 is fixedly connected to one side of the limit rod 7, and a limit nut 14 is threadedly connected to the other side of the limit rod 7. A second baffle 15 sleeved on the limit rod 7 is provided on the inner side of the limit nut 14. The first baffle 13 and the second baffle 15 are respectively located on the left and right sides of the roller 8 and are used to limit the roller 8 axially.

[0030] The wire rack includes a second column 16 , on which a telescopic rod 17 is slidably connected. After being extended to any height, the telescopic rod 17 can be height-limited by a conventional fixing mechanism. The upper end of the telescopic rod 17 is rotatably connected to a wire roller 18 .

[0031] The first column 3 is detachably connected with sensors 19 located on the upper and lower sides of the swing frame 4. The sensor 19 can be a proximity switch or a photoelectric switch. The sensor 19 is used to control the cable deployment machine 1 to change speed after the swing frame 4 rotates to a high position or a low position, so that the swing frame 4 always remains in a suspended state.

[0032] Working principle of the present invention: When installing the present invention, first install the wire drum wound with the cable on the cable unwinding machine 1, then pull out the cable and pass it through the wire pressing roller 6, the conductor roller 18 and the cable arranging machine 2 in sequence, so that the cable unwinding machine 1 and the cable arranging machine 2 respectively unwind and arrange the cable to realize the laying function. When the cable passes through the wire pressing roller 6, the operator first fits the cable to the surface of the wire pressing roller 6, and then adjusts the lateral position of the roller 8 by rotating the limit nut 14 according to the outer diameter of the cable, so that the two rollers 8 can press the surface of the cable from both sides after they are in place. After the roller 8 is positioned, the operator tightens the locking screw 11 to limit the height of the roller 8, so that the roller 8 cooperates with the wire pressing roller 6 to press the surrounding side walls of the cable after installation, preventing the cable from detaching from the wire pressing roller 6 in a loose state.

[0033] When the cable is being arranged, the cable extends from the cable unwinding machine 1 and passes through the wire pressing roller 6 and the conductor roller 18 along the V-shaped routing path, and the wire pressing roller 6 applies a downward squeezing force to the cable. At the same time, when the pay-off and take-up speeds of the cable unwinding machine 1 and the cable unwinding machine 2 deviate, the swing frame 4 can swing up and down with the extension of the cable, thereby ensuring that the cable is in a tensioned state. When the swing frame 4 swings to the trigger sensor 19, it means that the cable margin is too large or too small at this time, and the cable unwinding machine 1 changes speed according to the set value, so that the swing frame 4 remains suspended between the thresholds on both sides.

[0034] Embodiment 2. A cable deployment device based on a pumped storage power station is constructed as follows Figure 1 and 3 As shown, it includes a cable spreading machine 1 and a cable arranging machine 2 which are connected to each other, and also includes a wire crimping mechanism and a wire rack arranged at the rear end of the cable spreading machine 1, the wire crimping mechanism includes a first column 3, one side of the first column 3 is rotatably connected to a swing frame 4, the end of the swing frame 4 is fixedly connected to a main shaft 5, the middle part of the main shaft 5 is rotatably connected to a wire crimping roller 6, the outside of the wire crimping roller 6 is formed with a V-shaped groove for buckling the cable, the end of the main shaft 5 is detachably connected to a limit rod 7, the end of the limit rod 7 extends to the radial outside of the wire crimping roller 6 and is rotatably connected to a roller 8, and a wiring groove for the cable to pass through is formed between the roller 8 and the wire crimping roller 6.

[0035] The swing frames 4 on both sides of the first column 3 are detachably connected with counterweights 9 .

[0036] The limiting rod 7 is L-shaped in shape, and the end of the main shaft 5 is slidably connected to the limiting rod 7 via a slide groove 10. A locking screw 11 threadedly connected to the main shaft 5 is provided on one side of the slide groove 10. The locking screw 11 is used to axially limit the limiting rod 7 after being screwed in.

[0037] A tooth groove 701 is provided on the side wall of the limiting rod 7 , and the outer portion of the tooth groove 701 is buckled and connected with a tooth plate 12 located in the slide groove 10 . The end of the locking screw 11 extends into the slide groove 10 and buckles with the tooth plate 12 .

[0038] A first baffle 13 is fixedly connected to one side of the limit rod 7, and a limit nut 14 is threadedly connected to the other side of the limit rod 7. A second baffle 15 sleeved on the limit rod 7 is provided on the inner side of the limit nut 14. The first baffle 13 and the second baffle 15 are respectively located on the left and right sides of the roller 8 and are used to limit the roller 8 axially.

[0039] The wire rack includes a second column 16 , on which a telescopic rod 17 is slidably connected. After being extended to any height, the telescopic rod 17 can be height-limited by a conventional fixing mechanism. The upper end of the telescopic rod 17 is rotatably connected to a wire roller 18 .

[0040] The first column 3 is detachably connected with sensors 19 located on the upper and lower sides of the swing frame 4. The sensor 19 can be a proximity switch or a photoelectric switch. The sensor 19 is used to control the cable deployment machine 1 to change speed after the swing frame 4 rotates to a high position or a low position, so that the swing frame 4 always remains in a suspended state.

[0041] Compared with Example 1, this embodiment improves the connection structure between the main shaft 5 and the limit rod 7 by interlocking the limit rod 7 with the tooth plate 12 through the tooth groove 701 and using the locking screw 11 to squeeze and limit the tooth plate 12, so that the axial limiting effect of the limit rod 7 can be improved and the possibility of axial movement of the limit rod 7 can be prevented.

Claims

1. A cable deployment device based on a pumped storage power station, comprising a cable deployment machine (1) and a cable arrangement machine (2) connected to each other, characterized in that: The invention also comprises a wire pressing mechanism and a wire rack arranged at the rear end of the cable unfolding machine (1), wherein the wire pressing mechanism comprises a first column (3), one side of the first column (3) is rotatably connected to a swing frame (4), the end of the swing frame (4) is fixedly connected to a main shaft (5), the middle of the main shaft (5) is rotatably connected to a wire pressing roller (6), the end of the main shaft (5) is detachably connected to a limit rod (7), the end of the limit rod (7) extends to the radial outer side of the wire pressing roller (6) and is rotatably connected to a roller (8), and a wiring groove for the cable to pass through is formed between the roller (8) and the wire pressing roller (6).

2. The cable deployment device based on a pumped storage power station according to claim 1, characterized in that: Counterweights (9) are detachably connected to the swing frames (4) on both sides of the first column (3).

3. The cable deployment device based on a pumped storage power station according to claim 1, characterized in that: The limiting rod (7) has an L-shaped appearance. The end of the main shaft (5) is slidably connected to the limiting rod (7) via a sliding groove (10). A locking screw (11) threadedly connected to the main shaft (5) is provided on one side of the sliding groove (10). The locking screw (11) is used to axially limit the limiting rod (7) after being screwed in.

4. The cable deployment device based on a pumped storage power station according to claim 3 is characterized in that: The end of the locking screw (11) is in contact with the side wall of the limiting rod (7).

5. The cable deployment device based on a pumped storage power station according to claim 3 is characterized in that: A tooth groove (701) is provided on the side wall of the limiting rod (7), and the outside of the tooth groove (701) is buckled and connected with a tooth plate (12) located in the sliding groove (10), and the end of the locking screw (11) extends into the sliding groove (10) and is buckled with the tooth plate (12).

6. The cable deployment device based on a pumped storage power station according to claim 3 is characterized in that: A first baffle (13) is fixedly connected to one side of the limit rod (7), and a limit nut (14) is threadedly connected to the other side of the limit rod (7). A second baffle (15) sleeved on the limit rod (7) is provided on the inner side of the limit nut (14). The first baffle (13) and the second baffle (15) are respectively located on the left and right sides of the roller (8) and are used to axially limit the roller (8).

7. The cable deployment device based on a pumped storage power station according to claim 1, characterized in that: The wire rack comprises a second column (16), a telescopic rod (17) is slidably connected to the second column (16), and a wire roller (18) is rotatably connected to the upper end of the telescopic rod (17).

8. The cable deployment device based on a pumped storage power station according to claim 1, characterized in that: The first column (3) is detachably connected to sensors (19) located at the upper and lower sides of the swing frame (4), and the sensors (19) are used to control the cable deployment machine (1) to change speed after the swing frame (4) rotates to a high position or a low position.

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