CN111342415A - Water Cable System - Google Patents

Abstract

The invention belongs to the technical field of power systems. The water cable system is characterized in that it includes a pontoon, a cable, and a cable retracting device; the cable retracting device is wound with a cable, and the upper end of the cable is connected to the power output end of the shore power box through a switching device on the cable retracting device, The lower end of the cable passes through the slope of the water bank and then passes through the cable channel on the pontoon, and is connected to the power input end of the power supply box on the water wharf; The floating box includes a floating box body and a cover plate; the floating box body is divided into an upper cavity and a lower cavity by a partition plate, the upper end of the floating box body is provided with a convex ring for placing the cover plate, and the cover plate is placed on the convex ring; the floating box The upper end of the body is provided with a groove opening on the front and rear surfaces, the groove opening is located above the partition plate, and the groove opening is communicated with the upper cavity to form a cable channel. The invention has the characteristics of good cable concealment, and the length of the cable can be adjusted with the rise and fall of water.

Description

Water Cable System

technical field

The invention belongs to the technical field of electric power systems, and in particular relates to a water cable system.

Background technique

The power supply of the water terminal is connected with the shore power by cables, and the cables are usually supported by brackets. The shortcomings are: 1. The aerial wiring affects the appearance; 2. The bracket is easily affected by wind, etc., and there is a possibility of breaking, which affects the power supply.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a water cable system, which has the characteristics of good cable concealment, and the cable length can be adjusted with the rise and fall of water.

In order to achieve the above object, the technical scheme adopted in the present invention is: a water cable system, which is characterized in that it comprises a floating bridge 6, a cable 5, and a cable retracting and releasing device 2; The transfer device on the cable retracting device is connected to the power output end of the shore power box 1. The lower end of the cable 5 passes through the water bank slope 4 and then passes through the cable channel on the pontoon, and then connects with the power box 7 on the water dock 8. The pontoon bridge includes a plurality of pontoons 6, the upper parts of adjacent pontoons are hinged to each other, the pontoon near the shore is placed on the shore by the pedal 18, and the pontoon near the water wharf is connected with the water wharf by cables The floating box includes a floating box body 12 and a cover plate 11; the floating box body 12 is divided into an upper cavity and a lower cavity 17 by a partition plate 18, and the upper end of the floating box body 12 is provided with a convex ring 16 for placing the cover plate , the cover plate 11 rests on the convex ring 16; the upper end of the floating box body 12 is provided with a groove opening 14 on the front and rear surfaces, the groove opening 14 is located above the partition 18, and the groove opening 14 communicates with the upper cavity to form a cable aisle.

The cable retracting device 2 includes a support frame, a cable frame, a rotating mechanism, a motor 22, a control circuit, a counting sensor 35, and a water depth detector 9; the cable frame is fixed on the rotating mechanism, the support frame is U-shaped, and the cable The frame is located in the U-shaped space of the support frame, the left end of the rotating mechanism is mounted on the left fixed plate 21 of the support frame by a bearing, and the right end of the rotating mechanism is mounted on the right fixed plate 33 of the support frame by a bearing; the motor 22 is installed by the motor The seat is fixedly installed on the left fixed plate 21, and the output shaft of the motor 22 is connected with the left end of the rotating shaft 43 of the rotating mechanism by a coupling; the motor 22 is connected with the shore power by a power line, and a control switch is installed on the power line. Connect with the control end of the control circuit; the water depth detector 9 is installed on the side of the water wharf 8, the counting sensor 35 is installed on the support frame, the counting sensor 35 faces the cable rack, and the water depth detector 9 and the counting sensor 35 are respectively composed of The data line is connected with the signal input end of the control circuit, and the power input end of the control circuit is connected with the shore power.

The support frame includes a left bracket 20, a left fixing plate 21, a right bracket 27, a right fixing plate 33, and a bracket connecting rod 34; , the bottom end of the left bracket 20 and the bottom end of the right bracket 27 are fixedly connected by a plurality of bracket connecting rods 34; the upper end of the left bracket 20 is fixed with a left fixed plate 21, and the left fixed plate 21 is provided with a bearing installation through hole , the upper end of the right bracket 27 is fixed with a right fixing plate 33, and the right fixing plate 33 is provided with a bearing installation through hole.

The cable rack includes 3-30 single cable support racks 24. The cable single support rack 24 has an H-shaped structure. The upper end of the cable single support rack 24 forms a U-shaped groove 41. The lower end is fixedly connected with the rotating shaft 43 of the rotating mechanism; a radius scale 26 is fixed on the vertical rod of the single cable support frame 24 .

The rotating mechanism includes a rotating shaft 43 and a bearing 36; the left and right ends of the rotating shaft 43 are respectively installed with bearings 36, and the left bearing 36 is installed in the bearing installation through hole of the left fixed plate 21 of the support frame. It is fixedly connected with the left fixing plate 21; the left bearing 36 is installed in the bearing installation through hole of the right fixing plate 33 of the support frame, and the bearing is fixedly connected with the right fixing plate 33; the left end of the rotating shaft 43 is located in the left fixing plate 21 On the left side, the right end of the rotating shaft 43 is located on the right side of the right fixing plate 33 .

The switching device includes an insulating terminal plate 29, an insulating fixing plate 30, an inner terminal 23, an outer terminal 31, and a ring-shaped conductive sheet 38; the right side of the cable single support frame 24 of the cable receiving and placing device 2 is fixed with insulation. The wiring board 29, the right side of the insulating wiring board 29 is provided with A-phase, B-phase, C-phase annular chute 28, the left side of the insulating wiring board 29 is provided with A-phase holes, B-phase holes, C-phase holes The hole of phase A is connected with the annular chute of phase A, the hole of phase B is connected with the annular chute of phase B, and the hole of phase C is connected with the annular chute of phase C; An annular conductive sheet 38 is fixed in the annular chute 28. The inner terminal 23 of phase A is inserted into the hole of phase A and connected to the annular conductive sheet 38 in the annular chute 28 of phase A, and the inner terminal 23 of phase B is inserted into the hole of phase A. The B-phase hole is connected to the annular conductive sheet 38 in the B-phase annular chute 28, and the C-phase inner terminal 23 is inserted into the C-phase hole and connected to the C-phase annular conductive sheet 38 in the annular chute 28; The inner terminals 23 of the A-phase, B-phase and C-phase are respectively connected with the upper ends of the A-phase, B-phase and C-phase wires of the cable 5; the insulating fixing plate 30 is fixed on the right fixing plate 33, and the insulating fixing plate 30 There are A-phase holes, B-phase holes, and C-phase holes. The insulating fixing plate 30 at the A-phase holes, B-phase holes, and C-phase holes is fixed with a nut 37, and the left end of the outer terminal 31 is provided with a spring hole. The spring 39 is pressed in the spring hole by the steel ball 40; the left end of the external terminal 31 of the A-phase, B-phase and C-phase is screwed through the corresponding nut 37 and then passes through the corresponding A-phase hole, B-phase hole, C-phase hole The steel ball 40 in the left end of the external terminal 31 of phase A, phase B and phase C is in contact with the annular conductive sheet 38 in the corresponding annular chute 28, and the external terminal of phase A, B and C The right ends of 31 are respectively connected with the power output terminals of the shore power box 1 by power lines.

The right end of the rotating shaft 43 is fixed with the rotating handle 32 .

The guide roller 3 is installed on the bracket connecting rod 34 .

The beneficial effects of the invention are: the cable has the characteristics of good concealment and safety, and the length of the cable can be adjusted with the rise and fall of water.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a top view of the pontoon of the present invention.

FIG. 3 is a right side view of FIG. 2 .

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1 .

FIG. 5 is a schematic structural diagram of the cable retracting and unwinding device of the present invention.

FIG. 6 is a rear view of FIG. 5 .

FIG. 7 is a right side view of FIG. 5 .

In the picture: 1-shore power box, 2-cable retractable device, 3-guide roller, 4-water bank slope, 5-cable, 6-pontoon, 7-power box, 8-water dock, 9-water depth detection device, 10-water, 11-cover, 12-floating box, 13-hinge plate, 14-groove opening, 15-cable cavity, 16-convex ring, 17-lower cavity, 18-partition, 19- Pedals, 20-left bracket, 21-left fixing plate, 22-motor, 23-inner terminal, 24-cable single support bracket, 25-upper end of cable, 26-radius scale, 27-right bracket, 28 -Annular chute, 29-insulated terminal plate, 30-insulated fixing plate, 31-outer terminal, 32-rotating handle, 33-right fixing plate, 34-support connecting rod, 35-counting sensor, 36-bearing, 37 - Nut, 38-ring conductive sheet, 39-spring, 40-steel ball, 41-U-shaped groove, 42-connecting rod, 43-rotating shaft.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, the water cable system includes a pontoon 6, a cable 5, and a cable retracting device 2; the cable retracting device 2 is wound with a cable 5, and the upper end of the cable 5 passes through the cable The transfer device on the retractable device is connected to the power output end of the shore power box 1. The lower end of the cable 5 passes through the water bank slope 4 and then passes through the cable channel on the pontoon, and then connects to the water wharf (or water pontoon) 8. connected to the power input terminal of the power box 7 on the

The pontoon includes a plurality of pontoons 6 (such as 10-200 pontoons), the upper parts of adjacent pontoons are hinged to each other, and the pontoons near the shore are placed on the shore by pedals (connecting plates) 18 (people can pass the pedals to the pontoon. 6), the pontoon near the water wharf is connected with the water wharf by cables (people can go from the pontoon 6 to the water yard);

The floating box includes a floating box body 12 and a cover plate 11; the floating box body 12 is divided into an upper cavity and a lower cavity by a partition plate 18 (the lower cavity is a sealed cavity, and the partition plate and the floating box body can be integrated) 17, The inner upper end of the floating box body 12 is provided with a convex ring 16 (square ring) for placing the cover plate, and the cover plate 11 is placed on the convex ring 16; the upper end of the floating box body 12 is provided with grooves on the front and rear surfaces Port 14 (the cover plate 11 and the groove port structure, the cable is easy to lay; just lift the cover plate, the cable can be put into the cable channel), the groove port 14 is located above the partition plate 18, the groove port 14 and The upper chambers communicate with each other to form a cable channel (the cable channels on all the floating boxes constitute the total cable channel).

As shown in Figure 5, Figure 6, Figure 7, the cable retracting device 2 includes a support frame, a cable frame, a rotating mechanism, a motor 22, a control circuit (control board), a counting sensor 35, and a water depth detector 9; The cable frame is fixed on the rotating mechanism, the support frame is U-shaped (left and right direction, as shown in Figure 7), the cable frame is located in the U-shaped space of the support frame, and the left end of the rotating mechanism is mounted on the left fixed plate of the support frame by a bearing. 21 (the left side in Figure 5 is the rear, the right side is the front; the left side of Figure 5 is the left, the right side is the right), the right end of the rotating mechanism is mounted on the right fixing plate 33 of the support frame by a bearing;

The motor 22 is fixedly installed on the left fixing plate 21 by the motor base, and the output shaft of the motor 22 is connected with the left end of the rotating shaft 43 of the rotating mechanism by the coupling; switch, the control switch is connected to the control terminal of the control circuit (the control circuit controls the forward and reverse rotation of the motor 22);

The water depth detector 9 is installed on the side of the water wharf 8, the counting sensor 35 is installed on the support frame, and the counting sensor 35 faces the cable frame (the counting sensor 35 measures the number of the single cable support frame 24 passing through during the rotation process, Thereby measuring the length of the cable retraction), the water depth detector 9 and the counting sensor 35 are respectively connected with the signal input end of the control circuit by the data line, and the display end of the control circuit is connected with the display (displaying the length of the cable retraction), control The power input terminal of the circuit is connected to the shore power;

The support frame includes a left bracket 20, a left fixing plate 21, a right bracket 27, a right fixing plate 33, and a bracket connecting rod 34; , the bottom end of the left bracket 20 and the bottom end of the right bracket 27 are fixedly connected by a plurality of bracket connecting rods 34 (multiple 2-10); the upper end of the left bracket 20 is fixed with a left fixing plate 21 (eg welded ), the left fixed plate 21 is provided with a bearing installation through hole, the upper end of the right bracket 27 is fixed with a right fixed plate 33 (such as welding), and the right fixed plate 33 is provided with a bearing installation through hole;

The cable rack includes 3-30 single cable support racks 24 (preferably 4-32 single cable support racks, evenly distributed), and the single cable rack 24 is an H-shaped structure (consisting of 2 vertical rods). and a connecting rod 42, the two vertical rods are fixedly connected by the connecting rod 42), the upper end of the single cable support frame 24 forms a U-shaped groove 41 (for storing cables), and the lower end of the single cable support frame 24 is connected to the The rotating shaft 43 of the rotating mechanism is fixedly connected (such as welding, the 3-30 single cable support frames 24 are evenly distributed along the circumference); the vertical rod of the single cable support frame 24 is fixed with a radius scale 26 (to know the volume of the coil). After the cable radius, the length of the cable can be determined);

The rotating mechanism includes a rotating shaft 43 and a bearing 36; the left and right ends of the rotating shaft 43 are respectively installed with bearings 36, and the left bearing 36 is installed in the bearing installation through hole of the left fixed plate 21 of the support frame. It is fixedly connected with the left fixing plate 21; the left bearing 36 is installed in the bearing installation through hole of the right fixing plate 33 of the support frame, and the bearing is fixedly connected with the right fixing plate 33; the left end of the rotating shaft 43 is located in the left fixing plate 21 On the left side, the right end of the rotating shaft 43 is located on the right side of the right fixing plate 33 .

The switching device includes an insulating terminal plate 29, an insulating fixing plate 30, an inner terminal 23, an outer terminal 31, and an annular conductive sheet 38; the right side of the cable single support frame 24 is fixed with an insulated terminal plate 29 (or: The insulating junction plate 29 is fixed on the rotating shaft 43, and the insulating junction plate 29 is located on the right side of the cable single support frame 24; The annular chute 28 for phase B and phase C, the left side of the insulating junction plate 29 is provided with a hole for phase A, a hole for phase B, and a hole for phase C. It is communicated with the annular chute of phase B, and the hole of phase C is communicated with the annular chute of phase C; the annular chute 28 of phase A, phase B, and phase C are all fixed with annular conductive sheet 38, and the internal wiring of phase A After the post 23 is inserted into the A-phase hole, it is connected to the annular conductive sheet 38 in the A-phase annular chute 28, and the B-phase inner terminal 23 is inserted into the B-phase hole. After the inner terminal 23 of phase C is inserted into the hole of phase C, it is connected with the annular conductive sheet 38 in the annular chute 28 of phase C; the inner terminals 23 of phase A, phase B and phase C are respectively connected with the The upper ends of the A-phase, B-phase, and C-phase wires are connected; the insulating fixing plate 30 is fixed (eg, welded) on the right fixing plate 33, and the insulating fixing plate 30 is provided with A-phase holes, B-phase holes, and C-phase holes. A nut 37 is fixed on the insulating fixing plate 30 at the A-phase hole, B-phase hole and C-phase hole, and a spring hole is formed in the left end of the outer terminal 31, and the spring 39 is pressed in the spring hole by the steel ball 40; , The left ends of the external terminals 31 of B-phase and C-phase are screwed through the corresponding nut 37 and then passed through the corresponding A-phase holes, B-phase holes, and C-phase holes (external threads are provided on the external terminals). The steel balls 40 in the left ends of the external terminals 31 of the B-phase and C-phase are in contact with the annular conductive sheet 38 in the corresponding annular chute 28, and the right ends of the external terminals 31 of the A-phase, B-phase and C-phase are in contact with each other. They are respectively connected with the power output terminals of the shore power box 1 by power lines.

The right end of the rotating shaft 43 is fixed with the rotating handle 32 .

A guide roller (guide wheel) 3 is installed on the bracket connecting rod 34, and the cable 5 passes through the lower end of the guide roller.

Both the support frame and the cable frame are made of steel pipes. The materials of the inner terminal 23, the outer terminal 31 and the spring 39 are conductive materials.

A GPS positioning device (with anti-theft function) is installed on the support frame.

Use: The water depth detector 9 measures the water depth, calculates the water depth variation (the height of the water bank changes accordingly), and through the slope (angle) of the water bank slope, the length of the water bank slope without water can be determined, and the required cables can be measured. When the length is changed (the amount of retraction or release), the control circuit controls the forward and reverse rotation of the motor 22 of the cable retraction and retraction device 2 to realize the retraction and retraction of the cable and keep the cable at an appropriate length.

Claims (8)

1. The water cable system is characterized by comprising a floating bridge (6), a cable (5) and a cable winding and unwinding device (2); a cable (5) is wound on the cable winding and unwinding device (2), the upper end of the cable (5) is connected with the power output end of the shore power box (1) through a switching device on the cable winding and unwinding device, and the lower end of the cable (5) passes through a cable channel on the pontoon after passing through the water bank slope surface (4) and then is connected with the power input end of the power box (7) on the water wharf (8); the pontoon bridge comprises a plurality of pontoons (6), the upper parts of adjacent pontoons are hinged with each other, the pontoons close to the shore are built on the shore by pedals (18), and the pontoons close to the water wharf are connected with the water wharf by cables; the buoyancy tank comprises a buoyancy tank body (12) and a cover plate (11); the interior of the buoyancy tank body (12) is divided into an upper cavity and a lower cavity (17) by a partition plate (18), a convex ring (16) for placing a cover plate is arranged at the upper end part in the buoyancy tank body (12), and the cover plate (11) is placed on the convex ring (16); the front and the rear surfaces of the upper end part of the buoyancy tank body (12) are respectively provided with a notch (14), the notches (14) are positioned above the partition plate (18), and the notches (14) are communicated with the upper cavity to form a cable channel.

2. The water cable system of claim 1, wherein: the cable winding and unwinding device (2) comprises a support frame, a cable frame, a rotating mechanism, a motor (22), a control circuit, a counting sensor (35) and a water depth detector (9); the cable frame is fixed on the rotating mechanism, the supporting frame is U-shaped, the cable frame is positioned in the U-shaped space of the supporting frame, the left end part of the rotating mechanism is arranged on a left fixing plate (21) of the supporting frame through a bearing, and the right end part of the rotating mechanism is arranged on a right fixing plate (33) of the supporting frame through a bearing; the motor (22) is fixedly arranged on the left fixing plate (21) by a motor base, and an output shaft of the motor (22) is connected with the left end of a rotating shaft (43) of the rotating mechanism by a coupler; the motor (22) is connected with shore power through a power line, a control switch is arranged on the power line, and the control switch is connected with the control end of the control circuit; the water depth detector (9) is installed on the side of the water wharf (8), the counting sensor (35) is installed on the supporting frame, the counting sensor (35) faces towards the cable frame, the water depth detector (9) and the counting sensor (35) are respectively connected with the signal input end of the control circuit through data lines, and the power supply input end of the control circuit is connected with shore power.

3. The water cable system of claim 2, wherein: the support frame comprises a left bracket (20), a left fixing plate (21), a right bracket (27), a right fixing plate (33) and a bracket connecting rod (34); the left support (20) and the right support (27) are in a triangular shape, the left support (20) is positioned on the left side of the right support (27), and the bottom end part of the left support (20) is fixedly connected with the bottom end part of the right support (27) through a plurality of support connecting rods (34); the upper end of left branch frame (20) is fixed with left fixed plate (21), and it has bearing installation through-hole to open on left fixed plate (21), and the upper end of right branch frame (27) is fixed with right fixed plate (33), and it has bearing installation through-hole to open on right fixed plate (33).

4. The water cable system of claim 2, wherein: the cable frame comprises 3-30 cable single support frames (24), the cable single support frames (24) are in an H-shaped structure, a U-shaped groove (41) is formed at the upper end part of each cable single support frame (24), and the lower end of each cable single support frame (24) is fixedly connected with a rotating shaft (43) of the rotating mechanism; a radius scale (26) is fixed on the vertical rod of the cable single support frame (24).

5. The water cable system of claim 2, wherein: the rotating mechanism comprises a rotating shaft (43) and a bearing (36); the left end part and the right end part of the rotating shaft (43) are respectively provided with a bearing (36), the bearing (36) on the left side is arranged in a bearing mounting through hole of a left fixing plate (21) of the supporting frame, and the bearing is fixedly connected with the left fixing plate (21); the left bearing (36) is arranged in a bearing mounting through hole of a right fixing plate (33) of the support frame, and the bearing is fixedly connected with the right fixing plate (33); the left end of the rotating shaft (43) is positioned on the left side of the left fixing plate (21), and the right end of the rotating shaft (43) is positioned on the right side of the right fixing plate (33).

6. The water cable system of claim 1, wherein: the switching device comprises an insulating wiring plate (29), an insulating fixing plate (30), an inner connecting post (23), an outer connecting post (31) and an annular conducting strip (38); an insulating wiring disc (29) is fixed on the right side face of a cable single supporting frame (24) of the cable winding and unwinding device (2), an annular chute (28) of an A phase, an annular chute of a B phase and an annular chute of a C phase are arranged on the right side face of the insulating wiring disc (29), an A phase hole, a B phase hole and a C phase hole are arranged on the left side face of the insulating wiring disc (29), the A phase hole is communicated with the annular chute of the A phase, the B phase hole is communicated with the annular chute of the B phase, and the C phase hole is communicated with the annular chute of the C phase; annular conducting strips (38) are fixed in the annular sliding chutes (28) of the A phase, the B phase and the C phase, the inner connecting columns (23) of the A phase are inserted into the holes of the A phase and then connected with the annular conducting strips (38) in the annular sliding chutes (28) of the A phase, the inner connecting columns (23) of the B phase are inserted into the holes of the B phase and then connected with the annular conducting strips (38) in the annular sliding chutes (28) of the B phase, and the inner connecting columns (23) of the C phase are inserted into the holes of the C phase and then connected with the annular conducting strips (38) in the annular sliding chutes (28) of the C phase; the inner connecting columns (23) of the A phase, the B phase and the C phase are respectively connected with the upper ends of the A phase, the B phase and the C phase of the cable (5); an insulation fixing plate (30) is fixed on a right fixing plate (33), an A-phase hole, a B-phase hole and a C-phase hole are formed in the insulation fixing plate (30), nuts (37) are fixed on the insulation fixing plate (30) at the A-phase hole, the B-phase hole and the C-phase hole, a spring hole is formed in the left end portion of an external connecting column (31), and a spring (39) is pressed in the spring hole through a steel ball (40); the left end parts of the external connecting posts (31) of the A phase, the B phase and the C phase are screwed through corresponding nuts (37) and then pass through corresponding holes of the A phase, the B phase and the C phase, steel balls (40) in the left end parts of the external connecting posts (31) of the A phase, the B phase and the C phase are in contact with corresponding annular conducting strips (38) in the annular sliding grooves (28), and the right end parts of the external connecting posts (31) of the A phase, the B phase and the C phase are respectively connected with a power output end of the shore power box (1) through power wires.

7. The water cable system of claim 5, wherein: and a rotating handle (32) is fixed at the right end of the rotating shaft (43).

8. A water cable system according to claim 3, wherein: and the support connecting rod (34) is provided with a guide roller (3).

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