Split type slip ring with bearing

Abstract

The invention provides a split-type bearing slip ring, comprising a split-type first slip ring assembly and a split-type second slip ring assembly, a split-type first bearing and a split-type second bearing, and a carbon brush assembly. The first slip ring assembly and the second slip ring assembly are detachably connected to form a full-circle slip ring assembly coaxially fixed on the tire shaft, the first bearing and the second bearing are detachably connected to form a full-circle bearing component, the carbon brush assembly is fixed on the wheel bearing seat, and the slip ring assembly is rotatably arranged on the carbon brush assembly through the bearing component. The split-type bearing slip ring provided by the invention has the slip ring and the bearing designed to be split-type, and the two split-type parts are detachably connected to form a full-circle slip ring assembly and a bearing component. When installing or maintaining the slip ring, there is no need to remove the components mounted on the outside of the tire. The split slip ring and the bearing can be directly connected and installed or split and removed. The installation and maintenance are simple and convenient, and the maintenance cost and the operational safety risk are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of slip rings, in particular to a split type slip ring with bearings. Background Art

[0002] The existing slip ring assembly is usually an integral type, with the slip ring and bearing integrally wrapped around the tire axle to ensure the transmission of current and digital signals during the rotation of the tire. When the existing structure is used or maintained, the components mounted on the outside of the tire need to be removed in advance, which is not only inconvenient for installation and maintenance, but also increases the safety risks and operation time of manual operation. Summary of the invention

[0003] The embodiment of the present invention provides a split type slip ring with bearing to solve the technical problem that the existing slip ring assembly is usually an integral type, and the slip ring and the bearing are integrally covered on the tire axle. When the existing structure is used or maintained, the components mounted on the outside of the tire need to be dismantled in advance, which is not only inconvenient for installation and maintenance, but also increases the safety risk of manual operation and the technical problem of operation time.

[0004] The present invention provides a split-type slip ring with bearings, comprising a first slip ring assembly and a second slip ring assembly of split design, a first bearing and a second bearing of split design, and a carbon brush assembly, wherein the first slip ring assembly and the second slip ring assembly are detachably assembled and connected to form a full-circle slip ring assembly coaxially fixed on a tire shaft, the first bearing and the second bearing are detachably assembled and connected to form a full-circle bearing component, the carbon brush assembly is fixed on a wheel bearing seat, and the slip ring assembly is rotatably arranged on the carbon brush assembly via the bearing component.

[0005] Preferably, the first slip ring assembly includes a first slip ring mechanism and a first connecting structure provided near the split cut surface of the first slip ring mechanism, the second slip ring assembly includes a second slip ring mechanism and a second connecting structure provided near the split cut surface of the second slip ring mechanism, and the first slip ring mechanism and the second slip ring mechanism are fastened and detachably connected to form a full-circle bearing member through the first connecting structure and the second connecting structure.

[0006] Preferably, the first slip ring mechanism comprises a first slip ring fixing seat, a first slip ring insulator and a first slip ring, the first slip ring is embedded in the first slip ring insulator, the first slip ring insulator is fixed on the first slip ring fixing seat, and the first slip ring fixing seat is coaxially fixed on the tire shaft.

[0007] Preferably, the slip ring insulator is provided with a mounting groove, and the first slip ring is embedded in the mounting groove.

[0008] Preferably, a rubber pad is provided between the first slip ring fixing seat and the tire axle.

[0009] Preferably, the first bearing includes a first bearing mechanism and a third connecting structure arranged near the split section of the first bearing mechanism, and the second bearing includes a second bearing mechanism and a fourth connecting structure arranged near the split section of the second bearing mechanism. The first bearing and the second bearing are fastened and detachably connected by the third connecting structure and the fourth connecting structure to form the bearing member that forms a full circle.

[0010] Preferably, the carbon brush assembly comprises a carbon brush fixing seat, a carbon brush cover plate and a carbon brush, the carbon brush is embedded in the carbon brush fixing seat, and the carbon brush fixing seat is fixed to the wheel bearing seat through the carbon brush cover plate.

[0011] Preferably, the carbon brush assembly is provided with an inlet channel, and the split slip ring assembly is provided with an outlet channel, and the inlet channel and the outlet channel are used for lead-in communication connection.

[0012] Preferably, the line inlet channel includes a first line inlet channel opened on the carbon brush cover plate and a second line inlet channel on the carbon brush, and the first line inlet channel and the second line inlet channel are interconnected.

[0013] Preferably, the first outlet channel on the first slip ring, the second outlet channel on the carbon brush insulating plate and the third outlet channel opened on the first slip ring fixing seat are interconnected.

[0014] The beneficial effects brought about by the technical solution provided by the present invention include:

[0015] The split-type slip ring with bearing provided by the present invention designs the slip ring and the bearing to be split-type, and the two parts of the split-type are detachably connected and assembled to form a slip ring assembly and a bearing component that form a whole circle. When installing or maintaining the slip ring, there is no need to remove the parts mounted on the outer side of the tire, and the split-type slip ring and the bearing can be directly assembled and connected for installation or split and removed. The installation and maintenance are simple and convenient, and the maintenance cost and the operational safety risk are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 A schematic diagram of the structure of a split type bearing slip ring provided in an embodiment of the present invention;

[0018] Figure 2Another schematic structural diagram of a split type bearing slip ring provided in an embodiment of the present invention;

[0019] Figure 3 A schematic cross-sectional view of a split-type sliding ring with bearings provided in an embodiment of the present invention;

[0020] Figure 4 A schematic diagram of the exploded cross-sectional structure of a split-type sliding ring with bearings provided in an embodiment of the present invention;

[0021] Figure 5 A schematic diagram of a partially exploded structure of a split type bearing slip ring provided in an embodiment of the present invention;

[0022] Figure 6 A schematic diagram of a partial cross-sectional exploded structure of a split type bearing slip ring provided in an embodiment of the present invention;

[0023] Figure 7 A schematic diagram of a partial cross-sectional exploded structure of a split type bearing slip ring provided in an embodiment of the present invention;

[0024] Figure 8 A schematic diagram of the use principle of a split type bearing slip ring provided in an embodiment of the present invention;

[0025] Fig. 9 A schematic diagram of another use principle of the split type bearing slip ring provided in an embodiment of the present invention;

[0026] Fig.10 A schematic diagram of communication connection between a first connecting line and a second connecting line provided by a split type bearing slip ring provided in an embodiment of the present invention;

[0027] In the figure:

[0028] 110. First slip ring assembly; 120. Second slip ring assembly; 210. First bearing; 1111. First slip ring fixing seat; 1112. Rubber pad; 1113. First slip ring insulator; 1114. First slip ring; 1115. First connecting line; 1116. First communication module; 310. Carbon brush assembly; 3111. Carbon brush fixing seat; 3112. Carbon brush; 3113. Carbon brush cover plate; 3114. Second connecting line; 3115. Second communication module; 410. Dust ring; 500. Tire axle; 600. Wheel bearing seat. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] An embodiment of the present invention provides a split-type slip ring with a bearing, which can solve the technical problem that the existing slip ring assembly is usually an integral type, and the slip ring and the bearing are integrally covered on the tire axle. When the existing structure is used or maintained, the components mounted on the outside of the tire need to be dismantled in advance, which is not only inconvenient for installation and maintenance, but also increases the safety risk of manual operation and the technical problem of operation time.

[0031] Please refer to Figure 1-2 and Figure 5 The present invention provides a split-type bearing slip ring, which is applied to a tire automatic inflation and deflation system, and includes a split-design first slip ring assembly 110 and a split-design second slip ring assembly 120, a split-design first bearing 210 and a split-design second bearing, and a carbon brush assembly 310. The first slip ring assembly 110 and the second slip ring assembly 120 are detachably assembled and connected to form a full-circle slip ring assembly, which is coaxially fixed on a tire shaft 500. The first bearing 210 and the second bearing are detachably assembled and connected to form a full-circle bearing component. The carbon brush assembly 310 is fixed on a wheel bearing seat 600, and the slip ring assembly is rotatably disposed on the carbon brush assembly 310 through the bearing component.

[0032] The carbon brush assembly 310 is fixed on the wheel bearing seat 600. When the tire rotates, the carbon brush assembly 310 is fixed, and the slip ring assembly rotates with the rotation of the tire. Among them, the carbon brush assembly 310 is equivalent to the stator, and the slip ring assembly is equivalent to the rotor. The rotor rotates relative to the stator.

[0033] The split-type slip ring with bearing provided by the present invention designs the slip ring and the bearing to be split-type, and the two parts of the split-type slip ring assembly and the bearing component are detachably connected and assembled to form a complete circle. When installing or maintaining the split-type slip ring on the tire-type gantry crane, there is no need to remove the parts mounted on the outer side of the tire, and the split-type slip ring and the bearing can be directly installed or removed in split parts. The installation and maintenance are simple and convenient, and the maintenance cost and the operation safety risk are reduced.

[0034] The split design is defined as two parts being half of a circular ring, i.e., a semicircular ring. The cross-sections of the first slip ring assembly 110 and the second slip ring assembly 120 are combined to form a full-circle slip ring, and the cross-sections of the first bearing 210 and the second bearing are combined to form a full-circle bearing. The cross-sections of the two parts are split cross-sections. The split design can also be called a half-and-half design.

[0035] In one embodiment, the first slip ring assembly 110 includes a first slip ring mechanism and a first connecting structure provided near the split surface of the first slip ring mechanism, and the second slip ring assembly 120 includes a second slip ring mechanism and a second connecting structure provided near the split surface of the second slip ring mechanism, and the first slip ring mechanism and the second slip ring mechanism are fastened and detachably connected by the first connecting structure and the second connecting structure to form a full-circle bearing member.

[0036] In one embodiment, the first connecting structure is a first lug and a first screw hole formed on the first lug, the second lug is located on the outer peripheral surface of the first slip ring mechanism near the split section, the second connecting structure is a second lug and a second screw hole formed on the second lug, the second lug is located on the outer peripheral surface of the second slip ring mechanism near the split section, and the first screw hole and the second screw hole are connected by bolts.

[0037] In one embodiment, the first slip ring mechanism includes a first slip ring fixing seat 1111, a first slip ring insulator 1113 and a first slip ring 1114, the first slip ring 1114 is embedded in the first slip ring insulator 1113, the first slip ring insulator 1113 is fixed on the first slip ring fixing seat 1111, and the first slip ring fixing seat 1111 is coaxially fixed on the tire shaft 500.

[0038] In one embodiment, the second slip ring mechanism includes a second slip ring fixing seat, a second slip ring insulator and a second slip ring, the second slip ring is embedded in the second slip ring insulator, the second slip ring insulator is fixed on the second slip ring fixing seat, and the second slip ring fixing seat is coaxially fixed on the tire shaft 500.

[0039] In one embodiment, the first slip ring insulator 1113 is provided with a mounting groove, and the first slip ring 1114 and the second slip ring are embedded in the mounting groove.

[0040] In one embodiment, a rubber pad 1112 is provided between the first slip ring fixing seat 1111 and the tire shaft 500, and the rubber pad 1112 is used to adjust the gap between the first slip ring fixing seat 1111, the second slip ring fixing seat and the tire shaft 500, so that the slip ring assembly is firmly and coaxially fixed on the tire shaft 500.

[0041] In one embodiment, the first bearing includes a first bearing mechanism and a third connecting structure provided near the split surface of the first bearing mechanism, and the second bearing includes a second bearing mechanism and a fourth connecting structure provided near the split surface of the second bearing mechanism, and the first bearing and the second bearing are fastened and detachably connected by the third connecting structure and the fourth connecting structure to form the bearing member that is formed into a full circle.

[0042] In one embodiment, the third connecting structure is a first slot opened at the position of the split section of the first bearing mechanism, and the fourth connecting structure is a second slot opened at the position of the split section of the second bearing mechanism. The first slot and the second slot are fastened by snaps or bolts as long as the performance of the bearing is not affected.

[0043] In one embodiment, please refer to Figure 3 , 4 , 6 and 7, the carbon brush assembly 310 is provided with an inlet channel, the split slip ring assembly is provided with an outlet channel, the inlet channel and the outlet channel are connected to achieve strong current transmission between the two and superimpose weak current for signal communication. A first connecting line 1115 is provided in the outlet channel, a second connecting line 3114 is provided in the inlet channel, and the ends of the first connecting line 1115 and the second connecting line 3114 are provided with a first communication module 1116 and a second communication module 3115, respectively.

[0044] In a modified embodiment of the present application, the outlet channel provides a lead channel for the first connecting line 1115 to enter the first slip ring or the second slip ring from the tire axle, and the inlet channel provides a lead channel for the second connecting line 3114 to enter the carbon brush from outside the wheel bearing seat. In other embodiments of the present application, the inlet channel and the outlet channel can also be implemented as being opened at other positions of the slip ring assembly and the carbon brush assembly.

[0045] In one embodiment, please refer to Figure 8-10 The vehicle power supply and display control assembly are electrically connected to the wheel side ECU assembly through a first connection line 1115 that works together with one or two lines, the wheel side ECU assembly is connected to the display control assembly through a second connection line 3114, and the wheel side air pump is electrically connected to the wheel side ECU assembly. The wheel side air pump rotates with the tire.

[0046] The electrical signals of the vehicle power supply and the display and control assembly are transmitted through the second connecting line 3114 in the incoming channel of the carbon brush assembly 310 to the slip ring assembly which always has a friction contact point with it, and then the electrical signals are transmitted to the wheel-side air pump and the wheel-side ECU assembly through the first connecting line 1115 in the outgoing channel of the slip ring assembly, thereby realizing the function of taking power from the vehicle power supply and transmitting it to the wheel-side air pump and the wheel-side ECU assembly, and realizing the function of transmitting electric energy, and realizing the carrier bus communication between the display and control assembly and the wheel-side ECU assembly.

[0047] In one embodiment, a tire pressure detection sensor is provided in the tire, and the first connecting line 1115 of the tire pressure detection sensor is led out through the tire shaft 500 and reaches the position of the split slip ring assembly through the outlet channel. The first connecting line 1115 is connected to the first communication module 1116, and the second connecting line 3114 is connected to the incoming line channel by the external wheel-side ECU assembly and the vehicle power supply. The second connecting line 3114 is connected to the second communication module 3115, and the second communication module 3115 and the first communication module 1116 are communicated to obtain the tire pressure information in the tire. The wheel-side ECU assembly controls the power supply of the vehicle and controls the wheel-side air pump to accurately replenish the pressure of the tire.

[0048] In one embodiment, the first communication module 1116 is integrated into the wheel-side ECU assembly, and the second communication module 3115 is integrated into the display and control assembly.

[0049] In one embodiment, the first connection line 115 and the second connection line 3114 are seamlessly connected and electrically connected.

[0050] In one embodiment, a temperature sensor is provided in the tire, and a first connecting line 1115 of the temperature sensor is led out through the tire shaft 500 and reaches the position of the split slip ring assembly through the outlet channel. A first communication module 1116 is provided at the end of the first connecting line 1115, and a second connecting line 3114 is connected to the incoming line channel by an external wheel-side ECU assembly and a vehicle power supply. A second communication module 3115 is provided at the end of the second connecting line 3114. The second communication module 3115 is communicatively connected to the first communication module 1116 to obtain temperature information inside the tire.

[0051] In one embodiment, the carbon brush assembly 310 includes a carbon brush fixing seat 3111, a carbon brush cover plate 3113 and a carbon brush 3112, wherein the carbon brush 3112 is embedded in the carbon brush fixing seat 3111, and the carbon brush fixing seat 3111 is fixed to the wheel bearing seat 600 through the carbon brush cover plate 3113.

[0052] In one embodiment, the carbon brush fixing seat 3111 is embedded in the installation groove of the slip ring fixing seat, and a dust ring 410 is sealed between the carbon brush fixing seat 3111 and two groove walls of the installation groove.

[0053] In one embodiment, the line inlet channel includes a first line inlet channel opened on the carbon brush cover plate 3113 and a second line inlet channel on the carbon brush 3112 , and the first line inlet channel and the second line inlet channel are interconnected.

[0054] In one embodiment, the first outlet channel on the first slip ring 1114, the second outlet channel on the insulating plate of the carbon brush 3112, and the third outlet channel opened on the first slip ring fixing seat 1111, the first outlet channel, the second outlet channel and the third outlet channel are interconnected.

[0055] In one embodiment, the number of the split slip ring assemblies is two, and the corresponding number of incoming line channels and outgoing line channels are both two, so as to improve the stability of signal transmission.

[0056] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0057] It should be noted that, in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0058] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A split type slip ring with bearings, It is characterized in that include: A first slip ring assembly and a second slip ring assembly of split design, a first bearing and a second bearing of split design, and a carbon brush assembly, wherein the first slip ring assembly and the second slip ring assembly are detachably assembled and connected to form a full circle of the slip ring assembly, which is coaxially fixed on the tire shaft, the first bearing and the second bearing are detachably assembled and connected to form a full circle of the bearing component, the carbon brush assembly is fixed on the wheel bearing seat, and the slip ring assembly is rotatably arranged on the carbon brush assembly through the bearing component; The first slip ring assembly includes a first slip ring mechanism and a first connection structure provided near the split cut surface of the first slip ring mechanism, the second slip ring assembly includes a second slip ring mechanism and a second connection structure provided near the split cut surface of the second slip ring mechanism, the first slip ring mechanism and the second slip ring mechanism are fastened and detachably connected to form a full-circle bearing member through the first connection structure and the second connection structure; The first slip ring mechanism comprises a first slip ring fixing seat, a first slip ring insulating member and a first slip ring, wherein the first slip ring is embedded in the first slip ring insulating member, the first slip ring insulating member is fixed on the first slip ring fixing seat, and the first slip ring fixing seat is coaxially fixed on the tire shaft; The carbon brush assembly includes a carbon brush fixing seat, a carbon brush cover plate and a carbon brush, wherein the carbon brush is embedded in the carbon brush fixing seat, the carbon brush fixing seat is fixed to the wheel bearing seat through the carbon brush cover plate, and the carbon brush fixing seat is embedded in the mounting groove of the slip ring fixing seat.

2. The split type bearing slip ring according to claim 1, It is characterized in that The slip ring insulating member is provided with a mounting groove, and the first slip ring is embedded in the mounting groove.

3. The split type bearing slip ring according to claim 1, It is characterized in that A rubber pad is provided between the first sliding ring fixing seat and the tire shaft.

4. The split type bearing slip ring according to claim 3, It is characterized in that The first bearing includes a first bearing mechanism and a third connecting structure arranged near the split surface of the first bearing mechanism, and the second bearing includes a second bearing mechanism and a fourth connecting structure arranged near the split surface of the second bearing mechanism. The first bearing and the second bearing are fastened and detachably connected by the third connecting structure and the fourth connecting structure to form the bearing member that is a full circle.

5. The split type bearing slip ring according to claim 1, It is characterized in that The carbon brush assembly is provided with an inlet channel, and the split slip ring assembly is provided with an outlet channel, and the inlet channel and the outlet channel are used for lead wires for communication connection.

6. The split type bearing slip ring according to claim 5, It is characterized in that The inlet channel includes a first inlet channel opened on the carbon brush cover plate and a second inlet channel on the carbon brush, and the first inlet channel and the second inlet channel are interconnected.

7. The split type bearing slip ring according to claim 6, It is characterized in that The first outlet channel on the first slip ring, the second outlet channel on the carbon brush insulation plate and the third outlet channel opened on the first slip ring fixing seat, the first outlet channel, the second outlet channel and the third outlet channel are interconnected.

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