A high-reliability column type conductive slip ring capable of preventing redundant materials

Abstract

The application provides a kind of high-reliability column type conductive slip ring of preventing redundant, relating to conductive slip ring technical field, including center shaft, combined support is rotatably installed at the outer circle of the bottom of center shaft, locking nut is fixedly installed at the outer circle of center shaft middle, the outer circle of locking nut is equipped with baffle, bearing baffle is fixedly installed at the front end of combined support by bolt, the inner circle of bearing baffle is equipped with baffle, the baffle of the outer circle of locking nut and the baffle of the inner circle of bearing baffle cooperate to form labyrinth structure, the larger foreign matter can be effectively prevented from being stuck between locking nut and bearing baffle by foreign matter push block, and the parts are prevented from being damaged by foreign matter stuck in equipment;The waste oil collecting rod of the application can collect and cache the waste oil generated when angular contact ball bearing works, and reduce the resistance when angular contact ball bearing operates.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of conductive slip rings, in particular to a kind of high reliability column type conductive slip ring of preventing excess. BACKGROUND

[0002] Conductive slip ring belongs to a kind of rotary electric transmission connector, is the electric transmission device of realization between two relative rotation structure body electric signal, electric power transmission, through the brush wire of brush of slip ring stator part and the sliding electric friction contact of slip ring rotor part ring piece, realize sliding electric transmission under the rotation state.

[0003] However, in the face of high load, low friction torque, it cannot be sealed to prevent excess into the interior of slip ring, meanwhile, the abrasion and waste oil generated in the working process of slip ring are easily accumulated in the interior, influence electric performance transmission.

[0004] Meanwhile, the bearing capacity of traditional conductive slip ring intersects, and in high load condition, slip ring is easily failure.

[0005] Based on this, the present application provides a kind of high reliability column type conductive slip ring of preventing excess. SUMMARY

[0006] The present application provides a kind of high reliability column type conductive slip ring of preventing excess for the above technical problems, including center shaft, the outer circle of center shaft bottom is rotationally installed with combination support, characterized in that, the rear end of combination support is fixedly installed with first support shell and second support shell, the rear end of center shaft is fixedly installed with transmission shaft, the outer circle of center shaft middle is fixedly installed with lock nut, the outer circle of lock nut is equipped with baffle, the inner circle of bearing baffle that the front end of combination support is fixedly installed with is equipped with baffle, the baffle of lock nut outer circle and the baffle of bearing baffle inner circle cooperate to form the structure similar to labyrinth.

[0007] Further, the bottom of lock nut is fixedly installed with push wheel support ring, a plurality of push wheel supports are fixedly installed in the inner circle of push wheel support ring, push wheel is rotationally installed in push wheel support, a plurality of foreign matter push blocks are radially slidably installed in the inner circle of bearing baffle, compression spring is fixedly installed between foreign matter push block and bearing baffle, side push block is slidably installed on the both sides of foreign matter push block, compression spring is fixedly installed between side push block and foreign matter push block, push wheel and the rear end of foreign matter push block are rollingly matched, and the number of push wheel is half of foreign matter push block.

[0008] Further, the rear end of center shaft is evenly provided with a plurality of collection grooves, collection groove is communicated to the end of center shaft, waste oil collection rod is fixedly installed in collection groove, and the inside of waste oil collection rod is toothed.

[0009] Further, the transmission shaft is slidably installed with a sliding support ring, the front end of the sliding support ring is rotatably installed with an adjusting support ring, a plurality of adjusting sliding grooves are arranged on the transmission shaft, a positioning sliding block is fixedly installed on the inner ring of the adjusting support ring, the positioning sliding block is in sliding cooperation with the adjusting sliding grooves, a clamping key is slidably installed in the positioning sliding block through a compression spring, a reset push plate is slidably installed at the rear end of the transmission shaft, a reset rod is fixedly installed at the front end of the reset push plate, the reset rod at the front end of the reset push plate is slidably installed in the adjusting sliding groove, and the front end of the reset rod is in contact cooperation with the positioning sliding block.

[0010] Further, the first support shell and the second support shell are hinged, the first support shell and the second support shell are each provided with a sealing semicircular rod and a sealing semicircular groove, the sealing semicircular rod and the sealing semicircular groove on the first support shell and the second support shell are in cooperation to form a labyrinth structure, a sealing bottom plate is fixedly installed at the rear end of the first support shell and the second support shell, a plurality of bottom terminal heads are fixedly installed at the rear end of the sealing bottom plate, a rotating groove is arranged in the sealing bottom plate, a sealing plate is fixedly installed at the rear end of the transmission shaft, a transmission gear is fixedly installed at the rear end of the sealing plate, the sealing plate is in rotary cooperation with the rotating groove in the sealing bottom plate, and the sealing plate and the sealing bottom plate are combined into a labyrinth structure.

[0011] Further, a plurality of positioning rings are fixedly installed on the inner walls of the first support shell and the second support shell, a brush support ring is fixedly installed on the positioning ring at the inner ring of the first support shell and the second support shell, and a plurality of slip ring brushes are fixedly installed on the inner ring of the brush support ring, the slip ring brushes are connected with the bottom terminal heads through wires, recessed conductive rings are fixedly installed on the adjusting support ring and the sliding support ring, the slip ring brushes are in contact cooperation with the recessed conductive rings, a plurality of side terminal heads are fixedly installed on the outer ring of the first support shell and the second support shell, and the side terminal heads are connected with the corresponding slip ring brushes through wires.

[0012] Further, a plurality of pairs of wear temporary storage rings are fixedly installed on the inner ring of the adjusting support ring and the sliding support ring, and the wear temporary storage rings are fixedly installed on the left and right sides of the recessed conductive ring.

[0013] Further, a plurality of flow guide grooves are arranged at the bottom of the positioning ring on the inner wall of the first support shell and the second support shell, the flow guide grooves pass through all the positioning rings, a waste oil collection ring is fixedly installed between the first support shell and the second support shell, and a plurality of attachment plates are arranged in the waste oil collection ring.

[0014] Further, a pair of angular contact ball bearings are fixedly installed on the outer ring of the bottom of the central shaft, the angular contact ball bearing at the top is in contact cooperation with the locking nut, an angular contact ball bearing is fixedly installed on the outer ring of the angular contact ball bearing, and a bearing steel sleeve is fixedly installed on the front end of the bearing steel sleeve through bolts on the combined support.

[0015] Further, the upper half of the locking nut is fixedly installed on the central shaft through a taper segment set screw.

[0016] Further, a 1-mm gap is left between the baffle of the locking nut outer ring and the baffle of the bearing baffle inner ring and the push wheel support ring.

[0017] Further, a 1-mm gap is left between the baffle of the locking nut outer ring and the baffle of the bearing baffle inner ring and the push wheel support ring.

[0018] The beneficial effects of the present application compared with the prior art are: (1) the present application can effectively prevent foreign matter from entering the inside of the slip ring through the labyrinth structure at both ends of the combined support; (2) the present application can effectively prevent larger foreign matter from being stuck between the locking nut and the bearing baffle, preventing the foreign matter from damaging the parts in the equipment; (3) the waste oil collecting rod of the present application can collect and buffer the waste oil generated during the operation of the angular contact ball bearing, reducing the resistance during the operation of the angular contact ball bearing; (4) the wear debris temporary storage ring of the present application can collect the wear debris generated during the operation of the slip ring, ensuring the normal operation of the slip ring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the side structure of the present application.

[0021] Figure 3 It is a schematic diagram of the back structure of the present application.

[0022] Figure 4 It is a schematic diagram of the half-section structure of the present application.

[0023] Figure 5 It is a schematic diagram of the half-section structure of the center shaft of the present application.

[0024] Figure 6 It is a schematic diagram of the half-section structure of the combined support of the present application.

[0025] Figure 7 It is a schematic diagram of the local section structure of the foreign matter push block of the present application.

[0026] Figure 8 It is a schematic diagram of the top structure of the locking nut of the present application.

[0027] Figure 9 It is a schematic diagram of the half-section structure of the waste oil collecting rod of the present application.

[0028] Figure 10 It is a schematic diagram of the overall half-section structure of the present application.

[0029] Figure 11 It is a schematic diagram of the local section structure of the present application.

[0030] Figure 12The second support shell internal assembly structure schematic diagram of the present application.

[0031] Figure 13 The adjusting support ring half-section structure schematic diagram of the present application.

[0032] Figure 14 The first support shell overall structure schematic diagram of the present application.

[0033] Figure 15 The waste oil collection ring overall structure schematic diagram of the present application.

[0034] The figure mark: 1-the center axis; 2-the combined support; 3-the bearing steel sleeve; 4-the angular contact ball bearing; 5-the locking nut; 6-the bearing baffle; 7-the taper section set screw; 8-the waste oil collection rod; 9-the collection groove; 10-the foreign matter push block; 11-the side push block; 12-the push wheel; 13-the push wheel support ring; 14-the push wheel support ring; 15-the first support shell; 16-the second support shell; 17-the side terminal; 18-the transmission shaft; 19-the adjusting support ring; 20-the wear temporary storage ring; 21-the inner concave conductive ring; 22-the sliding support ring; 23-the waste oil collection ring; 24-the sealing bottom plate; 25-the sealing plate; 26-the transmission gear; 27-the bottom terminal; 28-the brush support ring; 29-the slip ring brush; 30-the adjusting sliding groove; 31-the reset push plate; 32-the flow guide groove; 33-the sealing semicircular rod; 34-the sealing semicircular groove; 35-the positioning sliding block. DETAILED DESCRIPTION

[0035] The technical solutions provided by the present application are further illustrated below in combination with the drawings and according to the specific embodiments.

[0036] As Figures 1-15 shown, a foreign matter prevention high reliability column type conductive slip ring, comprising a center axis 1, the bottom outer circle of the center axis 1 is rotatably installed with a combined support 2, a 1-mm labyrinth structure is formed between the bottom of the center axis 1 and the bottom of the combined support 2, a locking nut 5 is fixedly installed on the middle outer circle of the center axis 1, a baffle is arranged on the outer circle of the locking nut 5, a bearing baffle 6 is fixedly installed on the front end of the combined support 2 through a bolt, a baffle is arranged on the inner circle of the bearing baffle 6, the baffles on the outer circle of the locking nut 5 and the inner circle of the bearing baffle 6 cooperate to form a labyrinth structure, through the labyrinth structures at both ends, foreign matter can be effectively prevented from entering the inside of the combined support 2 when the slip ring is working, and meanwhile the friction torque of the slip ring is not affected.

[0037] As Figures 1-15As shown, the inner ring of the combined support 2 is fixedly installed with a bearing steel sleeve 3, the top of the bearing steel sleeve 3 is fixedly installed on the combined support 2 by bolts, and a pair of angular contact ball bearings 4 are fixedly installed between the inner part of the bearing steel sleeve 3 and the outer ring of the center shaft 1. Supporting the center shaft 1 through the plurality of angular contact ball bearings 4 can effectively improve the load bearing capacity of the slip ring during work and reduce the risk of jamming due to excessive temperature during work.

[0038] As shown in the figure, Figures 1-15 The bottom of the locking nut 5 is fixedly installed with a push wheel support ring 14, the inner ring of the push wheel support ring 14 is fixedly installed with a plurality of push wheel supports 13, the push wheel 12 is rotatably installed in the push wheel support 13, and the inner ring of the bearing baffle 6 is radially slidably installed with a plurality of foreign matter push blocks 10. The foreign matter push block 10 is used to prevent larger foreign matter from being stuck in the gap between the bearing baffle 6 and the locking nut 5, and the foreign matter push block 10 and the bearing baffle 6 are fixedly installed with a compression spring. The side push block 11 is slidably installed on both sides of the foreign matter push block 10, and the compression spring is fixedly installed between the side push block 11 and the foreign matter push block 10. The rear end of the push wheel 12 is in rolling cooperation with the foreign matter push block 10, and the number of the push wheel 12 is half of that of the foreign matter push block 10. When starting the work of the slip ring, the locking nut 5 is driven to rotate synchronously by the rotation of the center shaft 1, and the foreign matter push block 10 is pushed to slide to the center in the bearing baffle 6 by the contact cooperation between the push wheel 12 and the foreign matter push block 10, so that the large foreign matter stuck between the locking nut 5 and the bearing baffle 6 is pushed out, preventing the foreign matter from scratching the parts stuck in the pores. At the same time, cooperating with the labyrinth structure, it can effectively prevent foreign matter from entering the inside of the combined support 2 and affecting the normal work of the angular contact ball bearing 4.

[0039] As shown in the figure, Figures 1-15 The rear end outer ring is uniformly provided with a plurality of collecting grooves 9, which are communicated to the end of the center shaft 1. The waste oil collecting rod 8 is fixedly installed in the collecting groove 9. The inside of the waste oil collecting rod 8 is toothed. The waste oil collecting rod 8 is used to collect the mixture of waste oil and dust generated by the angular contact ball bearing 4 during work, and the toothed structure on the waste oil collecting rod 8 can better buffer the waste oil, so that the angular contact ball bearing 4 can maintain a good working state.

[0040] As shown in the figure, Figures 1-15As shown, the rear end of the central shaft 1 is fixedly installed with a transmission shaft 18, the transmission shaft 18 is provided with a plurality of adjusting sliding grooves 30, the transmission shaft 18 is transversely slidably installed with a sliding support ring 22, the front end of the sliding support ring 22 is rotatably installed with an adjusting support ring 19, the adjusting support ring 19 is fixedly installed with a positioning sliding block 35 at the inner ring, the positioning sliding block 35 is slidably installed with a clamping key in the inner part through a compression spring, the front end of the adjusting sliding groove 30 is in inverted L shape and is provided with a clamping groove, the clamping key in the positioning sliding block 35 cooperates with the clamping groove at the front end of the adjusting sliding groove 30, which is used for adjusting the sliding position of the adjusting support ring 19 and the sliding support ring 22 on the transmission shaft 18, so as to facilitate the removal of the waste oil collecting rod 8 when the slip ring is checked and cleaned, the rear end of the transmission shaft 18 is slidably installed with a reset push plate 31, the front end of the reset push plate 31 is fixedly installed with a reset rod, the reset rod at the front end of the reset push plate 31 is slidably installed in the adjusting sliding groove 30, the reset rod at the front end is in contact with the positioning sliding block 35, and the clamping key in the positioning sliding block 35 is retracted by pressing the reset push plate 31, so that the adjusting support ring 19 can rotate on the transmission shaft 18, and the sliding position of the adjusting support ring 19 on the transmission shaft 18 can be adjusted.

[0041] As shown in Figures 1-15 The rear end of the combined support 2 is fixedly installed with a first support shell 15 and a second support shell 16, the first support shell 15 and the second support shell 16 are hingedly connected, which facilitates the adjustment of the adjusting support ring 19 and the sliding support ring 22 when the slip ring is checked and cleaned, and makes the checking and cleaning more convenient, the first support shell 15 and the second support shell 16 are both provided with a sealing semicircular rod 33 and a sealing semicircular groove 34, the sealing semicircular rod 33 and the sealing semicircular groove 34 on the first support shell 15 and the second support shell 16 cooperatively form a labyrinth structure, which is used for preventing foreign matters from entering from outside and increasing the stability when cooperating with each other, the rear end of the first support shell 15 and the second support shell 16 is fixedly installed with a sealing bottom plate 24, the rear end of the sealing bottom plate 24 is fixedly installed with a plurality of bottom terminal heads 27, the sealing bottom plate 24 is provided with a rotating groove, the rear end of the transmission shaft 18 is fixedly installed with a sealing plate 25, the sealing plate 25 is rotatably matched with the rotating groove in the sealing bottom plate 24 and is combined into a labyrinth structure, the rear end of the sealing plate 25 is fixedly installed with a transmission gear 26, which is used for connecting with an external driving device.

[0042] As shown in Figures 1-15As shown, the inner wall of the first support shell 15 and the second support shell 16 is fixedly installed with a plurality of positioning rings, the positioning ring on the inner circle of the first support shell 15 and the second support shell 16 is fixedly installed with a brush support ring 28, the inner circle of the brush support ring 28 is fixedly installed with a plurality of slip ring brushes 29, the slip ring brush 29 is connected with the bottom terminal 27 through the corresponding wire, the adjusting support ring 19 and the sliding support ring 22 are fixedly installed with an inner concave conductive ring 21, the slip ring brush 29 is in contact with the inner concave conductive ring 21, the outer circle of the first support shell 15 and the second support shell 16 is fixedly installed with a plurality of side terminals 17, the side terminal 17 is connected with the corresponding slip ring brush 29 through the wire, the inner circle of the adjusting support ring 19 and the sliding support ring 22 is fixedly installed with a plurality of pairs of wear temporary storage rings 20, the wear temporary storage ring 20 is fixedly installed on the left and right sides of the inner concave conductive ring 21, the wear temporary storage ring 20 is provided with a buffer groove for storing wear, the entrance of the buffer groove is located on one side of the inner concave conductive ring 21, the wear temporary storage ring 20 is used to buffer the wear generated by the friction between the slip ring brush 29 and the inner concave conductive ring 21 during the working of the slip ring, so as to prevent the poor contact between the wear temporary storage ring 20 and the slip ring brush 29 caused by the wear, and to prevent the slip ring from working normally.

[0043] As shown in the figure, Figures 1-15 The bottom of the positioning ring of the inner wall of the first support shell 15 and the second support shell 16 is provided with a plurality of flow guide grooves 32, the flow guide grooves 32 pass through all the positioning rings, the bottom between the first support shell 15 and the second support shell 16 is fixedly installed with a waste oil collection ring 23, the waste oil collection ring 23 is provided with a plurality of attachment plates inside, and the waste oil collection ring 23 is used to buffer the waste oil generated during the working of the slip ring.

[0044] Working principle: when the slip ring is started, the transmission shaft 18 and the center shaft 1 are driven to rotate by the external motor and the transmission gear 26, the center shaft 1 is driven to rotate synchronously by the locking nut 5, the locking nut 5 is driven to revolve by the push wheel 12, the contact between the foreign matter pushing block 10 and the push wheel 12 makes the foreign matter pushing block 10 slide alternately in the bearing baffle 6, the foreign matter between the locking nut 5 and the bearing baffle 6 is pushed away, and the labyrinth structure at both ends of the angular contact ball bearing 4 can effectively prevent smaller foreign matter from entering the inside of the combined support 2 during working.

[0045] During the working of the slip ring, the waste oil generated during the working of the angular contact ball bearing 4 is collected and buffered by the waste oil collection rod 8, the waste oil inside the first support shell 15 and the second support shell 16 is guided to the flow guide groove 32 for buffering through the flow guide groove 32, the working state of the slip ring is avoided to be affected by the waste oil during the working of the slip ring, and the wear generated during the working of the slip ring is buffered by the wear temporary storage ring 20, so as to avoid the poor contact during the working of the slip ring.

[0046] When the slip ring is checked and cleaned, the first support shell 15 and the second support shell 16 are opened to clean the inside, then the reset push plate 31 is pressed and the adjusting support ring 19 is rotated, then the adjusting support ring 19 and the wear temporary storage ring 20 are pulled to the rear end of the transmission shaft 18, the distance between the adjusting support ring 19 and the waste oil collecting rod 8 is pulled apart, and the waste oil collecting rod 8 is taken out for cleaning.

Claims

1. A high-reliability anti-excess column type conductive slip ring, comprising a center shaft (1), a combined support (2) is rotatably installed at the bottom outer ring of the center shaft (1), characterized in that, The combination support (2) rear end fixedly installed with first support shell (15) and second support shell (16), the center shaft (1) rear end fixedly installed with transmission shaft (18), the center shaft (1) middle outer ring fixedly installed with locking nut (5), locking nut (5) outer ring is equipped with baffle, the combination support (2) front end is fixedly installed with bearing baffle (6) through bolt, bearing baffle (6) inner ring is equipped with baffle, and the baffle of locking nut (5) outer ring and the baffle of bearing baffle (6) inner ring cooperate to form the structure similar to labyrinth; The locking nut (5) bottom fixedly installed with push wheel support ring (14), a plurality of push wheel supports (13) are fixedly installed in the inner ring of push wheel support ring (14), and the push wheel (12) is rotatably installed in the push wheel support (13).A plurality of foreign matter push blocks (10) are radially slidably installed in the inner ring of bearing baffle (6), and a compression spring is fixedly installed between foreign matter push block (10) and bearing baffle (6).The side push block (11) is slidably installed on the both sides of foreign matter push block (10), and a compression spring is fixedly installed between side push block (11) and foreign matter push block (10).The push wheel (12) is in rolling cooperation with the rear end of foreign matter push block (10), and the number of push wheel (12) is half of foreign matter push block (10). The center shaft (1) rear end outer ring is uniformly provided with a plurality of collecting grooves (9), and the collecting groove (9) is communicated to the end of center shaft (1).The waste oil collecting rod (8) is fixedly installed in the collecting groove (9), and the inside of waste oil collecting rod (8) is toothed. The transmission shaft (18) is slidably installed with sliding support ring (22), and the adjusting support ring (19) is rotatably installed on the front end of sliding support ring (22).A plurality of adjusting sliding grooves (30) are provided on the transmission shaft (18), and the positioning sliding block (35) is fixedly installed in the inner ring of adjusting support ring (19).The positioning sliding block (35) is in sliding cooperation with adjusting sliding groove (30), and the clamping key is slidably installed in the positioning sliding block (35) through compression spring.The reset push plate (31) is slidably installed on the rear end of transmission shaft (18), and the reset rod is fixedly installed on the front end of reset push plate (31).The reset rod of reset push plate (31) front end is slidably installed in adjusting sliding groove (30), and the reset rod front end is in contact cooperation with positioning sliding block (35). A plurality of pairs of wear temporary storage rings (20) are fixedly installed in the inner ring of adjusting support ring (19) and sliding support ring (22), and the wear temporary storage ring (20) is fixedly installed on the left and right sides of inner concave conductive ring (21).

2. A redundant prevention high reliability column type conductive slip ring according to claim 1, characterized in that, The first support shell (15) and the second support shell (16) are hinged, and the first support shell (15) and the second support shell (16) are each provided with a sealing semicircular rod (33) and a sealing semicircular groove (34), the sealing semicircular rod (33) and the sealing semicircular groove (34) on the first support shell (15) and the second support shell (16) are matched to form a labyrinth structure, a sealing bottom plate (24) is fixedly installed at the rear end of the first support shell (15) and the second support shell (16), a plurality of bottom terminal heads (27) are fixedly installed at the rear end of the sealing bottom plate (24), a rotating groove is arranged in the sealing bottom plate (24), a sealing plate (25) is fixedly installed at the rear end of the transmission shaft (18), a transmission gear (26) is fixedly installed at the rear end of the sealing plate (25), the sealing plate (25) is rotationally matched with the rotating groove in the sealing bottom plate (24) and is combined into a labyrinth structure.

3. A high-reliability, excess-material-preventing, post-type conductive slip ring according to claim 2, wherein A plurality of positioning rings are fixedly installed on the inner walls of the first support shell (15) and the second support shell (16), a brush support ring (28) is fixedly installed on the positioning ring of the inner circle of the first support shell (15) and the second support shell (16), a plurality of slip ring brushes (29) are fixedly installed on the inner circle of the brush support ring (28), the slip ring brushes (29) are connected with the bottom terminal heads (27) through wires, an inner concave conductive ring (21) is fixedly installed on the adjusting support ring (19) and the sliding support ring (22), the slip ring brushes (29) are in contact with the inner concave conductive ring (21), a plurality of side terminal heads (17) are fixedly installed on the outer circle of the first support shell (15) and the second support shell (16), and the side terminal heads (17) are connected with the corresponding slip ring brushes (29) through wires.

4. The excess prevention high reliability column type conductive slip ring according to claim 1, wherein, A plurality of flow guide grooves (32) are arranged at the bottom of the positioning ring of the inner wall of the first support shell (15) and the second support shell (16), the flow guide grooves (32) penetrate all the positioning rings, a waste oil collecting ring (23) is fixedly installed at the bottom between the first support shell (15) and the second support shell (16), and a plurality of attachment plates are arranged in the waste oil collecting ring (23).

5. The excess prevention high reliability column type conductive slip ring according to claim 1, wherein, A pair of angular contact ball bearings (4) are fixedly installed on the outer circle of the bottom of the central shaft (1), the angular contact ball bearing (4) at the top is in contact with a locking nut (5), the angular contact ball bearing (4) is fixedly installed on the outer circle of the bearing steel sleeve (3), and the bearing steel sleeve (3) is fixedly installed on the combined support (2) through bolts.

6. A high-reliability, excess debris prevention, post-type conductive slip ring according to claim 1, wherein, The upper half of the locking nut (5) is fixedly installed on the central shaft (1) through a taper segment set screw (7).

7. A high-reliability, excess debris prevention, post-type conductive slip ring according to claim 1, wherein A 1-mm gap is left between the baffle of the outer circle of the locking nut (5) and the push wheel support ring (14) and the baffle of the inner circle of the bearing baffle (6).

8. A high-reliability, excess debris prevention, post-type conductive slip ring according to claim 1, wherein, A 1-mm gap labyrinth is formed between the bottom of the central shaft (1) and the bottom of the combined support (2).

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