Hydraulic-electric combined slip ring for transmitting liquid and load
By setting water leakage holes on the outer wall of the rotor of the hydraulic and electrical combination slip ring and using flange connection, the problem of liquid slip ring easily leaking liquid when transmitting liquid and the built-in control board is inconvenient for maintenance, which prevents liquid leakage and facilitates maintenance effect.
Patent Information
- Application Number
- CN202420934491.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing hydraulic and electrical combination slip rings are prone to leakage when transmitting liquids, and the built-in control board is not convenient for installation and maintenance, which poses a risk of short-circuit leakage.
A hydraulic and electrical combination slip ring that transmits liquid and load is designed. By setting a water drain hole on the outer wall of the rotor, liquid leakage is prevented from leaking into the circuit part, and flange connection is used to facilitate product assembly and maintenance.
It effectively prevents liquid leakage into the circuit, avoids short circuit caused by liquid leakage, reduces unnecessary repair costs, and facilitates timely repair of faults.
Smart Images
Figure CN222463738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of combined slip rings, in particular to a liquid-electric combined slip ring for transmitting liquid and load. Background Art
[0002] At present, liquid slip rings can infinitely rotate the transmission medium 360° and are commonly used industrial joints in the industry. Liquid-electric combination slip rings are mainly used in rotating equipment that needs to transmit liquid and load, mainly to solve the problem of pipe and wire winding during mechanical equipment rotation. Application of slip rings: Products are widely used in electrical testing machinery and equipment, rotary workbenches, robot arms, medical equipment, packaging automation machines, etc.
[0003] When transporting liquid, there may be leakage. If there is a control board, there is a possibility of leakage and short circuit. At the same time, the built-in control board is not easy to install and maintain.
[0004] To this end, we have developed a hydraulic-electric combined slip ring for transmitting liquid and load to solve the above problems. Utility Model Content
[0005] The utility model aims to overcome the deficiencies of the prior art and to provide a hydraulic-electric combined slip ring for transmitting liquid and load, which has the advantages of preventing leakage, being easy to maintain, and being convenient to assemble.
[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a liquid-electric combined slip ring for transmitting liquid and load, comprising a rotor, a stator and an electric slip ring, wherein a flange, a first step, a plurality of outer ring grooves, a second step and a slot are sequentially arranged on the length direction of the outer wall of the rotor, and a through hole is arranged at the center position, a plane is arranged on the side wall of the flange, a first connecting hole is arranged on the plane, a second connecting hole is arranged on the outer ring groove close to the first step, the first connecting hole is connected with the second connecting hole through a connecting hole, a liquid channel and a drain hole are sequentially arranged on the outer wall of the stator, one end of the stator is fixedly connected to a cover plate, the cover plate is fixedly connected to the electric slip ring, the stator and the rotor are rollingly connected through a first bearing and a second bearing, and are sealed through a first O-ring and a second O-ring.
[0007] Preferably, a countersunk hole is provided at one end of the rotor, the countersunk hole is communicated with the connecting hole, and a plug is fixedly connected thereto.
[0008] Preferably, a first inner ring groove is respectively provided at both sides of the bottom end of the liquid channel, the first inner ring groove is sealed and connected to the rotor via the first O-ring, and the liquid channel is arranged at the top end of the second connecting hole.
[0009] Preferably, a second inner ring groove is provided at one side of the bottom end of the drain hole, and the second inner ring groove is sealingly connected to the rotor via the second O-ring.
[0010] Preferably, a boss is provided at one end of the cover plate, and the boss abuts against the inner wall of the stator.
[0011] Preferably, the electric slip ring is covered with a shell, a contact plate is provided at a middle position of the shell, and the contact plate is fixedly connected to the cover plate by screws.
[0012] Preferably, a load is rollingly connected in the middle of the housing via a third bearing and a fourth bearing, and an inner lead is passed through one end of the load.
[0013] Preferably, an external lead is provided at one end of the electric slip ring.
[0014] Preferably, the slot is clamped with a retaining spring, the second step is press-fitted with the second bearing, and the retaining spring is press-fitted with the second bearing.
[0015] Preferably, the outer surface of the rotor is provided with a coating.
[0016] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:
[0017] Drain holes are added to prevent liquid from leaking into the circuit part. Once a leak occurs in the liquid circuit, the leaked liquid can be directly discharged through the drain hole and will not flow into the circuit part, thus avoiding short circuits caused by liquid leakage and reducing unnecessary maintenance costs. At the same time, it is easy for personnel to discover equipment failures and repair them in time. The liquid circuit part and the circuit part are connected by flanges to facilitate product assembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the hydraulic-electric combined slip ring for transmitting liquid and load according to the utility model.
[0019] Figure 2 It is a left side view of the rotor of the utility model.
[0020] Figure 3 For this utility model Figure 2 Cross-sectional view at AA in the middle.
[0021] Figure 4 It is a right side view of the rotor of the utility model. DETAILED DESCRIPTION
[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] Figures 1 to 4 In the invention, a hydraulic-electric combined slip ring for transmitting liquid and load includes a rotor 10, a stator 20 and an electric slip ring 50. A flange 11, a first step 12, two outer ring grooves 13, a second step 14 and a slot 15 are sequentially arranged on the length direction of the outer wall of the rotor 10, and a through hole 16 is arranged at the center. A countersunk hole 19 is arranged at one end of the rotor 10, the countersunk hole 19 is connected to the connecting hole 113, and a plug 191 is fixedly connected. A screw hole 17 for connection is arranged at the other end of the rotor 10. A plane 111 is provided on the side wall of the flange 11, and a first connection hole 112 is provided on the plane 111. A second connection hole 114 is provided on the outer ring groove 13 near the first step 12. The first connection hole 112 is connected to the second connection hole 114 through the connecting hole 113. The outer wall of the stator 20 is provided with a liquid channel 21 and a drain hole 22 in sequence. One end of the stator 20 is fixedly connected to a cover plate 60, and the cover plate 60 is fixedly connected to the electric slip ring 50. The stator 20 and the rotor 10 are rollingly connected through the first bearing 30 and the second bearing 35, and are sealed through the first O-ring 40 and the second O-ring 45. The hydraulic-electric combined slip ring is a 1-way water, 6-way 2A hydraulic-electric combined slip ring.
[0024] A first inner ring groove 211 is provided at both sides of the bottom end of the liquid channel 21, and the first inner ring groove 211 is sealed and connected to the rotor 10 through a first O-ring 40. The liquid channel 21 is arranged at the top of the second connecting hole 114. The first O-ring 40 seals the liquid channel of the stator and the rotor. A second inner ring groove 221 is provided at one side of the bottom end of the drain hole 22, and the second inner ring groove 221 is sealed and connected to the rotor 10 through a second O-ring 45. The second O-ring 45 prevents leakage of the electric slip ring 50 part of the flow channel.
[0025] A boss 61 is provided at one end of the cover plate 60, and the boss 61 abuts against the inner wall of the stator 20. The electric slip ring 50 is covered with a housing 51, and an abutment plate 501 is provided at the middle of the housing 51. The abutment plate 501 is fixedly connected to the cover plate 60 by screws 65.
[0026] The middle of the housing 51 is rollingly connected to a load 59 through the third bearing 55 and the fourth bearing 56, and an inner lead 57 is passed through one end of the load 59. An outer lead 52 is provided at one end of the slip ring 50. The outer end of the housing 51 of the slip ring 50 is provided with an outer lead 52, and the inner lead 57 is passed through the through hole 16 inside.
[0027] The clamping groove 15 is clamped with a clamping spring 151, the second step 14 is pressed against the second bearing 35, and the clamping spring 151 is pressed against the second bearing 35. That is, the second bearing 35 is pressed between the second step 14 and the clamping spring 151. The outer surface of the rotor 10 is provided with a coating 101, which is a nickel-plated layer with a thickness of 5 μm.
[0028] The stator and rotor of the hydraulic-electric combined slip ring are connected by rolling through the first bearing 30 and the second bearing 35. The first connecting hole 112, the connecting hole 113, the second connecting hole 114 and the liquid channel 21 are channels for conveying liquid. A drain hole 22 is added between the liquid channel and the circuit. The drain hole 22 is sealed by the second O-ring 45. When the liquid circuit of the slip ring leaks, the liquid can flow out directly from the drain hole 22, and the staff can find it in time. At the same time, whether the liquid circuit part or the circuit part is damaged, the electric slip ring 50 is fixedly installed on the outside of the cover plate 60, and the lead wire at one end of the electric slip ring 50 is set on the outside of the cover plate 60, and the lead wire at one end passes through the through hole 16. Since the fixing screw 65 is set outside the product, it is also very simple for on-site personnel to replace it.
[0029] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.
Claims
1. A hydraulic-electric combined slip ring for transmitting liquid and load, characterized in that: The invention comprises a rotor (10), a stator (20) and an electric slip ring (50), wherein a flange (11), a first step (12), an outer ring groove (13), a second step (14) and a slot (15) are sequentially arranged on the outer wall of the rotor (10) in the length direction, and a through hole (16) is arranged at the center position, a plane (111) is arranged on the side wall of the flange (11), a first connecting hole (112) is arranged on the plane (111), a second connecting hole (114) is arranged on the outer ring groove (13) close to the first step (12), and the The first connection hole (112) is connected to the second connection hole (114) through a connecting hole (113); a liquid channel (21) and a drain hole (22) are sequentially provided on the outer wall of the stator (20); one end of the stator (20) is fixedly connected to a cover plate (60); the cover plate (60) is fixedly connected to the electric slip ring (50); the stator (20) and the rotor (10) are rollingly connected through a first bearing (30) and a second bearing (35), and are sealingly connected through a first O-ring (40) and a second O-ring (45).
2. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: A countersunk hole (19) is provided at one end of the rotor (10); the countersunk hole (19) is communicated with the communicating hole (113) and is fixedly connected to a plug (191).
3. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 2, characterized in that: A first inner ring groove (211) is provided at both sides of the bottom end of the liquid channel (21), and the first inner ring groove (211) is sealed and connected to the rotor (10) via the first O-ring (40). The liquid channel (21) is arranged at the top end of the second connecting hole (114).
4. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: A second inner ring groove (221) is provided at one side of the bottom end of the drain hole (22), and the second inner ring groove (221) is sealedly connected to the rotor (10) via the second O-ring (45).
5. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: A boss (61) is provided at one end of the cover plate (60), and the boss (61) abuts against the inner wall of the stator (20).
6. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 5, characterized in that: The electric slip ring (50) is covered by a housing (51), a contact plate (501) is provided at the middle position of the housing (51), and the contact plate (501) is fixedly connected to the cover plate (60) by means of screws (65).
7. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 6, characterized in that: The middle of the housing (51) is rollingly connected to a load (59) via a third bearing (55) and a fourth bearing (56), and an inner lead (57) is passed through one end of the load (59).
8. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: An external lead (52) is provided at one end of the electric slip ring (50).
9. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: The clamping groove (15) is clamped with a clamping spring (151), the second step (14) is pressed against the second bearing (35), and the clamping spring (151) is pressed against the second bearing (35).
10. The hydraulic-electric combined slip ring for transmitting liquid and load according to claim 1, characterized in that: The outer surface of the rotor (10) is provided with a coating (101).