A hydroelectric integrated explosion-proof slip ring

Abstract

A water-electricity integrated explosion-proof slip ring comprises a shell, a tubular waterway stator, a tubular waterway rotor, a rotating shaft and a conductive slip ring, wherein the waterway stator is fixedly connected to the shell, the water inlet end of the waterway stator is connected to a high-pressure water source through a fixed water inlet pipe, the rotating shaft is connected to the shell through a bearing, one end of the waterway rotor is sealed and rotatably connected to the water outlet end of the waterway stator, and the other end is connected to a rotating device after passing through the center hole of the rotating shaft, the waterway rotor is fixedly connected to the rotating shaft, the conductive slip ring is installed between the rotating shaft and the shell, the fixed cable of the conductive slip ring is connected to the input cable on the shell, and the rotating cable is connected to the rotating device after passing through the rotating shaft. The present invention skillfully combines the conductive slip ring and the water slip ring, and compared with the existing water supply and power supply device, it has the advantages of simple structure, reliable operation, strong adaptability, etc., and can meet the water supply and power supply needs of various types of rotating equipment that require high-pressure water, large current, and no limit on the number of turns.

Description

Technical Field

[0001] The invention relates to a water-electricity integrated explosion-proof slip ring, which is suitable for various equipments under harsh working conditions such as high dust and high humidity, and which require high-pressure water, high current, and 360-degree rotation without limit on the number of circles, and belongs to the technical field of water supply and power supply devices. Background Art

[0002] Some equipment operating in high dust and high humidity environments, such as fog cannons, require both power and water supply, and rotate or swing around the center, which makes it very difficult to supply water and power. Existing similar equipment all uses cable dragging power supply, which can only swing in a small range or rotate a limited number of circles, and cannot rotate 360° unlimited circles. In addition, the water and electricity are separated, the structure is complex, the reliability is poor, and the adaptability is insufficient. In many cases, it cannot meet the use requirements. Summary of the invention

[0003] The purpose of the present invention is to provide a water-electricity integrated explosion-proof slip ring to address the shortcomings of the prior art, so as to meet the needs of various types of equipment requiring high-pressure water, high current, and 360° rotation without limit on the number of turns.

[0004] The problem described in the present invention is solved by the following technical solution:

[0005] A hydroelectric integrated explosion-proof slip ring comprises a shell, a tubular waterway stator, a tubular waterway rotor, a rotating shaft and a conductive slip ring, wherein the waterway stator is fixedly connected to the shell, the water inlet end of the waterway stator is connected to a high-pressure water source via a fixed water inlet pipe, the rotating shaft is rotatably connected to the shell via a bearing, one end of the waterway rotor is sealingly rotatably connected to the water outlet end of the waterway stator, and the other end is connected to a rotating device after passing through a center hole of the rotating shaft, the waterway rotor is fixedly connected to the rotating shaft, the conductive slip ring is installed between the rotating shaft and the shell, the fixed cable of the conductive slip ring is connected to an input cable on the shell, and the rotating cable is connected to the rotating device after passing through the rotating shaft.

[0006] The above-mentioned hydropower integrated explosion-proof slip ring, the conductive slip ring includes a control line slip ring and a power line slip ring, the power line slip ring includes an insulating ring key, a butterfly spring, two support plates, two fixed insulating plates, a plurality of circuit stator disks, a plurality of stator insulating disks, a plurality of rotor insulating disks and a plurality of circuit rotor disks, all of which are annular bodies sleeved on the outside of the rotating shaft, the butterfly spring is clamped between the two support plates; the insulating ring key is located between the two fixed insulating plates and is fixedly connected to the rotating shaft, the circuit stator disk, the stator insulating disk, the rotor insulating disk and the circuit rotor disk are all sleeved on the outside of the insulating ring key, the circuit rotor disk and the rotor insulating disk are fixedly connected to the insulating ring key, the circuit stator disk and the circuit rotor disk are divided into a plurality of groups, each group includes at least one circuit stator disk and a circuit rotor disk, one side of each circuit stator disk is in sliding contact with the circuit rotor disk of the same group, and the other side rests on the fixed insulating plate or the stator insulating disk, one side of the circuit rotor disk is in sliding contact with the circuit stator disk of the same group, and the other side rests on the rotor insulating disk or is in sliding contact with another circuit stator disk of the same group, the butterfly spring, the supporting plate, the fixed insulating plate, the circuit stator disk, the stator insulating disk, the rotor insulating disk and the circuit rotor disk are pressed together by insulating fasteners connected to the casing, the supporting plate, the fixed insulating plate, the circuit stator disk, the stator insulating disk are connected to the insulating fasteners, each circuit stator disk is connected to one power line of the input cable through a fixed power line, and each circuit rotor disk is connected to one power line of the rotating equipment through a rotating power line.

[0007] In the above-mentioned hydropower integrated explosion-proof slip ring, the fixed control line of the control line slip ring is connected to the input control cable of the input cable, and the rotating control line is connected to the rotating device after passing through the rotating shaft.

[0008] The above-mentioned hydroelectric integrated explosion-proof slip ring has a fixed aviation plug and a fixed explosion-proof plug installed on the shell. The fixed control line of the control line slip ring is connected to the input control cable in the input cable through the fixed aviation plug, and the fixed power line connected to the circuit stator disk is connected to the input power cable in the input cable through the fixed explosion-proof plug.

[0009] The above-mentioned hydropower integrated explosion-proof slip ring has a rotor terminal assembly fixed to one end of the rotating shaft close to the rotating equipment, and a rotating aviation plug and a rotating explosion-proof plug are installed on the rotor terminal assembly. The rotating control line of the control line slip ring is connected to the rotating equipment control cable through the rotating aviation plug, and the rotating power line connected to the circuit rotor disk is connected to the rotating equipment power cable through the rotating explosion-proof plug.

[0010] In the above-mentioned hydroelectric integrated explosion-proof slip ring, the insulating ring key and the rotating shaft, and the insulating ring key and the circuit rotor disk and the rotor insulating disk are all connected by keys.

[0011] In the above-mentioned integrated hydroelectric explosion-proof slip ring, an insulating sealant layer is provided between the inner wall of the rotating shaft and the outer wall of the waterway rotor, and the insulating sealant layer solidifies and seals the channels of the rotating control line and the rotating power line.

[0012] In the above-mentioned integrated hydropower explosion-proof slip ring, the insulating fastener is a stud with an insulating sleeve on the outside and nuts arranged at both ends of the stud.

[0013] The present invention skillfully combines the conductive slip ring and the water slip ring. Compared with the existing water-electricity separation water supply and power supply device, it has the advantages of simple structure, reliable operation, strong adaptability, etc. It can meet the water supply and power supply needs of various equipment requiring high-pressure water, large current, and 360° unlimited rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the structure of an insulating ring bond;

[0016] Figure 3 It is a schematic diagram of the structure of the circuit rotor disk;

[0017] Figure 4 It is a schematic diagram of the structure of the circuit stator disk.

[0018] The numbers in the figure are: 1, waterway rotor, 2, rotation control line, 3, rotor terminal assembly, 4, rotation aviation plug, 5, rotation equipment control cable, 6, upper bearing, 7, rotation shaft, 8, support plate, 9, butterfly spring, 10, fixed insulation plate, 11, circuit stator disk, 12, stator insulation disk, 13, circuit rotor disk, 14, insulation fastener, 15, mounting plate, 16, shell, 17, fixing frame, 18, fixed water inlet pipe, 19, lower sealing cover, 20, sealant, 21, insulation waterproof pad, 22, control line slip ring, 23, waterway stator, 24, fixed Fixed control line, 25, fixed aviation plug, 26, input control cable, 27, fixed explosion-proof plug, 28, input power cable, 29, fixed power line, 30, insulating ring key, 31, lower bearing, 32, insulating sleeve, 33, fixed power line crimping terminal, 34, rotor insulating disk, 35, rotating power line crimping terminal, 36, upper bearing seat, 37, rotating equipment power cable, 38, upper sealing cover, 39, rotating explosion-proof plug, 40, rotating power line, 41, insulating sealant layer, 42, rotating shaft connecting key, 43, keyway, 44, ring key connecting key. DETAILED DESCRIPTION

[0019] The present invention provides an integrated explosion-proof slip ring for water supply and power supply, which is particularly suitable for use in harsh working conditions such as high dust and high humidity, and for various types of equipment that require high-pressure water, high current, and 360° rotation without limit on the number of turns.

[0020] The present invention mainly includes a shell, a waterway stator, a waterway rotor, and a conductive slip ring (including a control line slip ring and a power line slip ring); the high-pressure water (≤10MPa) input by the waterway stator can be converted and transmitted to the rotating equipment through the waterway rotor, and the large current (≤180A) can be converted and transmitted to the rotating equipment through the conductive slip ring to supply power to the high-power (≤90kW) electrical equipment, ensuring that the equipment can rotate 360° around its rotation axis without limit on the number of turns; the power line slip ring includes a circuit stator disk and a circuit rotor disk, which are connected by a copper friction disk (a total of 5 circuits), and its conductivity can be equivalent to 70 square Copper cables and circuits are isolated by insulation layers; the water channel stator and water channel rotor adopt a sealed rotating sleeve structure (a total of 1 channel); the water and electricity parts inside the equipment adopt an insulation layer and waterproof seal; the number of circuits inside the equipment can be increased or decreased according to the actual power supply requirements, which can provide more than 5 high-current power supply channels; the number of water channels can also be increased or decreased according to demand; the control line slip ring and power line slip ring can also increase or decrease the number of channels according to demand, and the inlet and outlet lines all use aviation plugs or waterproof plugs. The overall protection level of the equipment can reach IP65, the explosion-proof level reaches ExtDA21T4, and the insulation level is F.

[0021] As attached Figure 1 As shown, the present invention mainly includes a waterway rotor 1, a rotating control line 2, a rotor terminal assembly 3, a rotating aviation plug 4, a rotating equipment control cable 5, an upper bearing 6, a rotating shaft 7, a support plate 8, a butterfly spring 9, a fixed insulating plate 10, a circuit stator disk 11, a stator insulating disk 12, a circuit rotor disk 13, an insulating fastener 14, a mounting plate 15, a housing 16, a fixing frame 17, a fixed water inlet pipe 18, a lower sealing cover 19, a sealant 20, an insulating waterproof pad 21, and a control line slip ring 22. , water channel stator 23, fixed control line 24, fixed aviation plug 25, input control cable 26, fixed explosion-proof plug 27, input power cable 28, fixed power line 29, insulating ring key 30, lower bearing 31, insulating sleeve 32, fixed power line crimping terminal 33, rotor insulating disk 34, rotating power line crimping terminal 35, upper bearing seat 36, rotating equipment power cable 37, upper sealing cover 38, rotating explosion-proof plug 39, rotating power line 40 and insulating sealant layer 41.

[0022] The waterway rotor 1 is installed on the waterway stator 23 through a transition fitting and sealed. The water outlet end of the waterway rotor 1 passes through the rotating shaft 7 and is connected to the rotating shaft 7 through a mounting flange and a fastening screw. The rotating control line 2 and the rotating power line 40 pass through the rotating shaft 7 and are cured and sealed by an insulating sealant layer 41. The rotating control line 2 is connected to the control line slip ring 22. The rotating power line 40 is pressed into the rotating power line crimping terminal 35 and is fastened to the circuit rotor disk 13 by an electrician using a cross pan head screw. The fixed power line 29 is pressed into the fixed power line crimping terminal 33 and is fastened to the circuit stator disk 11 by an electrician using a cross pan head screw. The rotating shaft 7 and the lower bearing 31 are installed on the mounting plate 15 and locked with a retaining spring. Then, the support plate 8, the back-to-back butterfly plate 16, and the back-to-back butterfly plate 17 are installed in order from top to bottom. The spring 9, the supporting plate 8, the fixed insulating plate 10, the circuit stator disk 11, the circuit rotor disk 13, the circuit stator disk 11, the stator insulating disk 12, the circuit stator disk 11, the circuit rotor disk 13, the rotor insulating disk 34, the circuit rotor disk 13, the circuit stator disk 11, the stator insulating disk 12, the circuit stator disk 11, the circuit rotor disk 13, the rotor insulating disk 34, the circuit rotor disk 13, the circuit stator disk 11, the fixed insulating plate 10, and the insulating ring key 30 penetrate into the rotating shaft 7, the key on the inner ring of the insulating ring key 30 is embedded in the keyway of the rotating shaft 7, the circuit rotor disk 13, the key on the inner ring of the rotor insulating disk 34 is embedded in the keyway on the inner ring of the insulating ring key 30, the supporting plate 8, the fixed insulating plate 10, the circuit stator disk 11 and the stator insulating disk 12 The three mounting holes are aligned, three insulating fasteners 14 are inserted, and the compressed butterfly spring 9 is tightened with studs until the contact surface of the circuit rotor disk 13 and the circuit stator disk 11 fits tightly but can rotate. After the matching fasteners and seals are installed, the control line slip ring 22 is installed at the output shaft at the bottom of the rotating shaft 7 by matching and locking the set screws. The inner square hole of the fixing frame 17 is inserted into the waterway stator 23. The fixing ring mounting claws of the control line slip ring 22 are aligned with the mounting holes of the fixing frame 17 and locked with bolts. The fixing frame 17 is fastened with fasteners on the mounting plate 15. The above-assembled parts are installed into the housing 16 and fastened with bolts to the mounting plate 15. The two ends of the fixed control line 24 are respectively connected to the control line slip ring 22 and the twelve-channel fixed aviation plug 25, one end of the fixed power line 29 is connected to the fixed explosion-proof plug 27, the input power cable 28 and the input control cable 26 are respectively connected to the fixed explosion-proof plug 27 and the twelve-channel fixed aviation plug 25, the bottom of the shell 16 is sealed with an insulating waterproof pad 21 and a lower sealing cover 19, the fixed water inlet pipe 18 passes through the shell 16 and is sealed with a sealant 20 and then installed on the waterway stator 23, the upper part of the rotating shaft 7 is installed on the upper bearing seat 36 through the upper bearing seat 36 and fasteners, the upper sealing cover 38 passes through the rotating shaft 7 and is fastened to the shell 16 with bolts, the rotating equipment control cable 5 and the rotating equipment power cable 37 are respectively connected to the twelve-channel rotating aviation plug 4 and the rotating explosion-proof plug 39, and are connected to the rotating control line 2 and the rotating power line 40,The twelve-channel rotating aviation plug 4 and the rotating explosion-proof plug 39 are installed on the rotor terminal assembly 3. The annular key on the rotor terminal assembly 3 is inserted into the keyway at the end of the rotating shaft 1 and fastened with screws. The twelve-channel rotating aviation plug 4 and the rotating explosion-proof plug 38 are installed on the rotor terminal assembly 3. The hydroelectric integrated explosion-proof slip ring can be connected to the rotating part of the equipment through the mounting plate on the rotor terminal assembly 3, and connected to the fixed part of the equipment through the mounting flange on the housing 16.

[0023] The invention is suitable for equipment that requires high-pressure water, high current, and 360° rotation without limit on the number of turns. It is suitable for harsh working conditions such as high dust and high humidity, and can effectively avoid cable dragging and pulling caused by rotation and swinging. This product has good conductivity and high-pressure water conductivity, explosion-proof safety, and high reliability.

Claims

1. A hydropower integrated explosion-proof slip ring, characterized in that: The structure comprises a shell (16), a tubular waterway stator (23), a tubular waterway rotor (1), a rotating shaft (7) and a conductive slip ring. The waterway stator (23) is fixedly connected to the shell (16). The water inlet end of the waterway stator (23) is connected to a high-pressure water source via a fixed water inlet pipe (18). The rotating shaft (7) is rotatably connected to the shell (16) via a bearing. One end of the waterway rotor (1) is sealed and rotatably connected to the water outlet end of the waterway stator (23). The other end passes through the center hole of the rotating shaft (7) and is connected to a rotating device. The waterway rotor (1) is fixedly connected to the rotating shaft (7). The conductive slip ring is installed between the rotating shaft (7) and the shell (16). The fixed cable of the conductive slip ring is connected to the input cable on the shell. The rotating cable passes through the rotating shaft (7) and is connected to the rotating device. The conductive slip ring comprises a control line slip ring (22) and a power line slip ring, and the power line slip ring comprises an insulating ring key (30), a butterfly spring (9), two support plates (8), two fixed insulating plates (10), a plurality of circuit stator disks (11), a plurality of stator insulating disks (12), a plurality of rotor insulating disks (34) and a plurality of circuit rotor disks (13), all of which are annular bodies sleeved on the outside of the rotating shaft (7), and the butterfly spring (9) is sandwiched between the two support plates (8); the insulating ring key (30 ) is located between two fixed insulating plates (10) and is fixedly connected to the rotating shaft (7); the circuit stator disk (11), the stator insulating disk (12), the rotor insulating disk (34) and the circuit rotor disk (13) are all sleeved outside the insulating ring key (30); the circuit rotor disk (13) and the rotor insulating disk (34) are fixedly connected to the insulating ring key (30); the circuit stator disk (11) and the circuit rotor disk (13) are divided into a plurality of groups, each group comprising at least one circuit stator disk (11) and one circuit rotor disk (13), one side of each circuit stator disk (11) is in sliding contact with the circuit rotor disk (13) of the same group, and the other side is against the fixed insulating plate (10) or the stator insulating disk (12), one side of the circuit rotor disk (13) is in sliding contact with the circuit stator disk (11) of the same group, and the other side is against the rotor insulating disk (34) or is in sliding contact with another circuit stator disk (11) of the same group, the butterfly spring (9), the support plate (8), the fixed insulating plate (10), the circuit stator disk (11), the stator insulating disk (12), the rotor insulation disk (34) and the circuit rotor disk (13) are pressed together by an insulating fastener (14) connected to the housing, the support plate (8), the fixed insulation plate (10), the circuit stator disk (11), and the stator insulation disk (12) are connected to the insulating fastener (14), each circuit stator disk (11) is connected to a power line of the input cable through a fixed power line (29), and each circuit rotor disk (13) is connected to a power line of the rotating equipment through a rotating power line (40); The fixed control line (24) of the control line slip ring (22) is connected to the input control cable (26) of the input cable, and the rotating control line (2) passes through the rotating shaft (7) and is connected to the rotating device; The water channel rotor (1) is mounted on the water channel stator (23) via a transition fitting and sealed; the water outlet end of the water channel rotor (1) passes through the rotating shaft (7) and is connected to the rotating shaft (7) via a mounting flange and fastening screws.

2. The hydroelectric integrated explosion-proof slip ring according to claim 1 is characterized in that: A fixed aviation plug (25) and a fixed explosion-proof plug (27) are installed on the housing (16); the fixed control line (24) of the control line slip ring (22) is connected to an input control cable (26) in the input cables via the fixed aviation plug (25); and the fixed power line (29) connected to the circuit stator disk (11) is connected to an input power cable (28) in the input cables via the fixed explosion-proof plug (27).

3. The hydroelectric integrated explosion-proof slip ring according to claim 1 is characterized in that: A rotor terminal assembly (3) is fixed to one end of the rotating shaft (7) close to the rotating device, and a rotating aviation plug (4) and a rotating explosion-proof plug (39) are installed on the rotor terminal assembly (3). The rotating control line (2) of the control line slip ring (22) is connected to the rotating device control cable (5) through the rotating aviation plug (4), and the rotating power line (40) connected to the circuit rotor disk (13) is connected to the rotating device power cable (37) through the rotating explosion-proof plug (39).

4. The hydroelectric integrated explosion-proof slip ring according to claim 1 is characterized in that: The insulating ring key (30) and the rotating shaft (7), and the insulating ring key (30) and the circuit rotor disk (13) and the rotor insulating disk (34) are all connected by keys.

5. The hydroelectric integrated explosion-proof slip ring according to claim 1 is characterized in that: An insulating sealant layer (41) is provided between the inner wall of the rotating shaft (7) and the outer wall of the water channel rotor (1), and the insulating sealant layer (41) solidifies and seals the passages of the rotating control line (2) and the rotating power line (40).

6. The hydroelectric integrated explosion-proof slip ring according to claim 1 is characterized in that: The insulating fastener (14) is a stud with an insulating sleeve on the outside and nuts arranged at both ends of the stud.

Images