CN215444802U

CN215444802U - Bearing insulation assembly structure with insulation layer in bearing sleeve

Info

Publication number: CN215444802U
Application number: CN202121860383.1U
Authority: CN
Inventors: 刘保国
Original assignee: Linqing Jiuxing Bearing Technology Co ltd
Current assignee: Linqing Jiuxing Bearing Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-07
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of bearing insulation, in particular to a bearing insulation assembly structure with an insulation layer arranged in a bearing sleeve. It includes fixing device and sets up the stop device in the bearing sleeve intra-annular, fixing device includes the bearing sleeve ring, the inner wall of bearing sleeve ring is provided with the insulation board, the slip cavity has been seted up to the inner wall of bearing sleeve ring, establishes the bearing insulation assembly structure of insulating layer in this bearing sleeve, through the stop device who sets up, can be when the installation bearing body, spacing and fixed to it, make its can be stable bear great axial load when using, solved current assembly mode behind the change insulating layer, can not be accurate fix the bearing in the middle of the centre in the bearing sleeve, when the bearing rotational speed is higher, bear under the condition of great axial load, will lead to the bearing to send the displacement easily and rock, influence driven stationarity and reliability problem.

Description

Bearing insulation assembly structure with insulation layer in bearing sleeve

Technical Field

The utility model relates to the technical field of bearing insulation, in particular to a bearing insulation assembly structure with an insulation layer arranged in a bearing sleeve.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearings are used in many occasions, such as motors and the like, but under the condition that a variable frequency power supply is used in a motor operation place, electromagnetic fields around the motors are extremely complex, high shaft voltage can be generated, the risk level of generating shaft current is quite high, reliable insulation treatment must be carried out on the bearings of the motors, and the electric corrosion of the shaft current to the bearings of the motors is prevented.

However, the existing insulation protection device is worn and has low insulation performance due to long-term use, so that the insulation layer between the bearing and the bearing sleeve needs to be replaced after the insulation layer is replaced for a period of time, but the existing assembly mode cannot accurately fix the bearing in the middle of the bearing sleeve after the insulation layer is replaced, and the bearing is easy to displace and shake under the conditions that the bearing has high rotating speed and bears large axial load, so that the transmission stability and reliability are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bearing insulation assembling structure with an insulation layer arranged in a bearing sleeve, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides a bearing insulation assembling structure with an insulation layer arranged in a bearing sleeve, which comprises a fixing device and a limiting device arranged in a bearing sleeve ring, wherein the fixing device comprises a bearing sleeve ring, an insulation plate is arranged on the inner wall of the bearing sleeve ring, a sliding cavity is arranged on the inner wall of the bearing sleeve ring, a sliding chute communicated with the sliding cavity is arranged on the side wall of the sliding cavity, a threaded counter bore is arranged on the outer wall of the bearing sleeve ring, a threaded column is connected with the threaded counter bore in a threaded manner, a bearing body is arranged in the bearing sleeve ring, a bearing seat is arranged on the outer wall of the bearing sleeve ring, the limiting device comprises a lead screw arranged in the sliding cavity, and a clamping plate is connected with the inner wall of the lead screw in a threaded manner.

As a further improvement of the technical scheme, the side wall of the clamping plate is provided with a plate pad.

As a further improvement of the technical scheme, the inner wall of the bearing lantern ring is provided with a clamping groove, and the outer wall of the insulating plate is attached to the clamping groove.

As a further improvement of the technical scheme, the outer wall of one end of the screw rod is provided with a plurality of handles.

As a further improvement of the technical scheme, one end of the screw rod is provided with a slot, an inserted rod is inserted in the slot, and the outer wall of the inserted rod is fixedly connected with the handle.

As a further improvement of the technical scheme, a baffle is installed on the side wall of the bearing lantern ring, the baffle is of an annular structure, and the inner ring of the baffle is slightly larger than the inner ring of the bearing body.

As a further improvement of the technical scheme, the side walls of the baffle and the bearing lantern ring are both provided with threaded through holes, and the threaded through holes are internally connected with bolts in a threaded mode.

Compared with the prior art, the utility model has the beneficial effects that:

in this insulating bearing assembly structure of establishing the insulating layer in the bearing housing, through the stop device who sets up, can be when the installation bearing body, spacing and fixed to it, make its bear great axial load that can be stable when using, solved current assembly mode behind the change insulating layer, can not be accurate fix the bearing in the middle of the centre in the bearing housing, when the bearing rotational speed is higher, bear under the condition of great axial load, will lead to the bearing to send the displacement easily and rock, influence driven stationarity and reliability's problem.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a bearing housing according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a limiting device in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a bearing seat according to embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of a bearing body according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of a baffle plate in embodiment 1 of the present invention.

The various reference numbers in the figures mean:

100. a fixing device;

110. a bearing collar; 111. an insulating plate; 112. a sliding cavity; 113. a chute; 114. a threaded post; 115. a bearing body; 116. a card slot;

120. a bearing seat;

130. a baffle plate; 131. perforating the threads;

200. a limiting device;

210. a screw rod; 211. a splint; 212. a plate pad; 213. a grip; 214. a slot; 215. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 6, the present embodiment provides a bearing insulation assembly structure with an insulation layer in a bearing housing, including a fixing device 100 and a limiting device 200 disposed in a bearing sleeve 110, where the fixing device 100 includes the bearing sleeve 110, an insulation plate 111 is disposed on an inner wall of the bearing sleeve 110, a sliding cavity 112 is disposed on the inner wall of the bearing sleeve 110, a sliding chute 113 communicated with the sliding cavity 112 is disposed on a side wall of the sliding cavity 112, a threaded counter bore is disposed on an outer wall of the bearing sleeve 110, a threaded post 114 is connected to the threaded counter bore in a threaded manner, a bearing body 115 is disposed in the bearing sleeve 110, a bearing seat 120 is disposed on an outer wall of the bearing sleeve 110, the limiting device 200 includes a screw rod 210 disposed in the sliding cavity 112, a clamp plate 211 is connected to an inner wall of the screw rod 210 in a threaded manner, and two clamp plates 211 are disposed, a distance between the two clamp plates 211 is reduced by rotation of the clamp plate 210, thereby realize pressing from both sides tight fixedly to bearing body 115, and splint 211 is the rectangle structure, and the rectangle structure can keep great area of contact with bearing body 115, improves the fixity ability to bearing body 115, through the stop device 200 that sets up, can be when the installation bearing body 115, spacing and fixed to it, make its can be stable bear great axial load when using.

In the device, the insulating plate 111 is of an annular structure, the outer wall of the insulating plate 111 is attached to the inner wall of the bearing sleeve ring 110, the outer wall of the insulating plate 111 is attached to the outer wall of the outer ring of the bearing body 115, and the insulating plate 111 is made of rubber; further, the screw rod 210 penetrates through the sliding groove 113 and is in sliding connection with the sliding groove, the screw rod 210 penetrates through the side wall of the clamping plate 211 and is in threaded connection with the side wall, when the bearing body 115 is placed in the bearing sleeve ring 110, the screw rod 210 is pulled towards the outer ring of the bearing sleeve ring 110 when the bearing body is installed, the screw rod 210 drives the clamping plate 211 to slide in the sliding cavity 112, the bearing body 211 is placed in the bearing sleeve ring 110 by sliding the screw rod 210, the two clamping plates 211 are located on the side wall of the bearing body 115, the screw rod 210 is screwed, the screw rod 210 rotates to drive the clamping plate 211 to move, the two clamping plates 211 move to clamp and fix the bearing body 115, and the two clamping plates 211 move simultaneously, so that the bearing body 115 is located in the bearing sleeve ring 110 and fixed in the middle.

In order to prevent the bearing body 115 from being pinched by the clamp plate 211, the side wall of the clamp plate 211 is provided with a plate pad 212, the plate pad 212 is preferably made of rubber, the rubber has strong flexibility, and the plate pad 212 is in contact with the bearing body 115, thereby preventing the bearing body 115 from being pinched by the clamp plate 211.

In order to improve the firmness of the bearing sleeve ring 110, the insulating plate 111 is prevented from displacing when in use, the inner wall of the bearing sleeve ring 110 is provided with a clamping groove 116, the outer wall of the insulating plate 111 is attached to the clamping groove 116, when the outer ring of the bearing body 115 is in contact with the inner ring of the insulating plate 111, the insulating plate 111 cannot move due to the limitation of the clamping groove 116, and the firmness of the bearing sleeve ring 110 is further improved.

In order to facilitate the screwing of the screw rod 210, the outer wall of one end of the screw rod 210 is provided with the handles 213, the handles 213 are of a cylindrical structure and are annularly arranged at one end of the screw rod 210, the handles 213 are provided with a plurality of handles 213, the stress points of the screw rod 210 can be improved through the plurality of handles 213, and the screw rod 210 is driven to rotate by rotating the handles 213 during use, so that the screw rod 210 is screwed rapidly.

In order to prevent the grip 213 from occupying space and affecting the installation of the bearing body 115, one end of the screw rod 210 is provided with a slot 214, an inserted rod 215 is inserted in the slot 214, the outer wall of the inserted rod 215 is fixedly connected with the grip 213, when the bearing is used, the inserted rod 215 is inserted in the slot 214, the screw rod 210 can be driven to rotate by rotating the grip 213, and the grip 213 can be taken out when the grip 213 is not rotated in a plug-in matching mode.

In order to improve the protection of the bearing body 115, the baffle 130 is installed on the side wall of the bearing collar 110, the baffle 130 is of an annular structure, the inner ring of the baffle 130 is slightly larger than the inner ring of the bearing body 115, and the baffle 130 isolates the bearing body 115 from the outside, so that an external object cannot contact with the bearing body 115, and the protection of the bearing body 115 is further realized.

In order to facilitate the disassembly of the baffle 130, the baffle 130 and the side wall of the bearing sleeve ring 110 are both provided with a threaded through hole 131, the threaded through hole 131 is internally connected with a bolt, the bolt is screwed, and the baffle 130 can be taken down from the side wall of the bearing sleeve ring 110 by separating the bolt from the threaded through hole 131, so that the disassembly of the baffle 130 is realized, and the insulation plate 111 is conveniently replaced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Establish the bearing insulation assembly structure of insulating layer in the bearing housing, its characterized in that: comprises a fixing device (100) and a limiting device (200) arranged in a bearing sleeve ring (110), the fixing device (100) comprises a bearing sleeve ring (110), an insulating plate (111) is arranged on the inner wall of the bearing sleeve ring (110), the inner wall of the bearing lantern ring (110) is provided with a sliding cavity (112), the side wall of the sliding cavity (112) is provided with a sliding chute (113) communicated with the sliding cavity (112), the outer wall of the bearing lantern ring (110) is provided with a threaded counter bore, a threaded column (114) is connected with the internal thread of the threaded counter bore, a bearing body (115) is arranged in the bearing sleeve ring (110), a bearing seat (120) is arranged on the outer wall of the bearing sleeve ring (110), stop device (200) is including setting up lead screw (210) in slip cavity (112), the inner wall threaded connection of lead screw (210) has splint (211).

2. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 1, wherein: the side wall of the clamping plate (211) is provided with a plate pad (212).

3. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 1, wherein: the inner wall of the bearing lantern ring (110) is provided with a clamping groove (116), and the outer wall of the insulating plate (111) is attached to the clamping groove (116).

4. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 1, wherein: the outer wall of one end of the screw rod (210) is provided with a plurality of handles (213), and the handles (213) are arranged.

5. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 4, wherein: a slot (214) is formed in one end of the screw rod (210), an inserted rod (215) is inserted in the slot (214), and the outer wall of the inserted rod (215) is fixedly connected with the handle (213).

6. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 1, wherein: baffle (130) are installed to the lateral wall of bearing lantern ring (110), baffle (130) are the loop configuration, the inner circle of baffle (130) slightly is greater than the inner circle of bearing body (115).

7. The insulating assembly structure of bearing with insulating layer in bearing housing according to claim 6, wherein: the side walls of the baffle (130) and the bearing sleeve ring (110) are both provided with threaded through holes (131), and bolts are connected with the threaded through holes (131) in an internal thread mode.