CN210164795U

CN210164795U - Self-aligning floatable thrust bearing

Info

Publication number: CN210164795U
Application number: CN201920742285.4U
Authority: CN
Inventors: 丁小玲; 张良平; 刘峰; 葛亚萍; 曹海健; 邓卫翔
Original assignee: DONGTAI MARINE PARTS Co Ltd
Current assignee: DONGTAI MARINE PARTS Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-03-20
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a but self-aligning thrust bearing that floats relates to bearing technical field. The utility model discloses a body, thrust chamber and oil pocket have been seted up respectively to body inside, the oil pocket is inside to have seted up annular accuse oil pocket, there is the piston head through a feather key sliding connection between the annular accuse oil pocket inner wall, a first terminal surface fixedly connected with piston rod of piston, piston rod one end runs through the body outside and fixedly connected with disc, the piston rod is located the outside week side cover of body and is equipped with buffer spring, jackshaft week side fixedly connected with thrust disc, a thrust disc fixed surface is connected with the oil control ring, an oil control ring fixed surface is connected with thrust ring, oil control ring week side and the cooperation of oil pocket inner wall. The utility model discloses a design of oil pocket, piston head, piston rod, disc, buffer spring, oil control ring and thrust collar, buffer spring slows down the axial impact force of thrust collar to the bearing, avoids the bearing to damage the normal use that influences equipment.

Description

Self-aligning floatable thrust bearing

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a but self-aligning thrust bearing that floats.

Background

The bearing is a part used for determining the relative movement position of the rotating shaft and other parts and has a supporting or guiding function. The main function of the device is to support a mechanical rotating shaft so as to reduce the mechanical load friction of the device in the transmission process, the thrust bearing is one of the bearings, the thrust bearing plays a role in bearing the axial load in an assembly body, and the thrust disc and the intermediate shaft are forged into a whole.

The existing thrust bearing is simple in structure, and is easily damaged by continuous impact of load in strong work, so that the normal use of equipment is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but from aligning thrust bearing that floats, through the design of oil pocket, piston head, piston rod, disc, buffer spring, oil control ring and thrust ring, it is fairly simple to have solved current thrust bearing general structure, receives the continuous impact of load in stronger work, causes the damage easily, influences the problem of equipment normal use.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a self-aligning floatable thrust bearing, which comprises a body and an intermediate shaft; the oil cylinder is characterized in that a thrust cavity and an oil cavity are respectively arranged in the body, an annular oil control cavity is arranged in the oil cavity, a piston head is connected between the inner walls of the annular oil control cavity in a sliding manner through a guide key, a piston rod is fixedly connected to one end face of the piston head, one end of the piston rod penetrates through the outside of the body and is fixedly connected with a disc, a buffer spring is sleeved on the circumferential side face of the piston rod, which is positioned on the outside of the body, one end of the buffer spring is fixedly connected with a first surface of the disc, the other end of the buffer spring is fixedly connected with the outer wall of the body, the circumferential side face of the intermediate shaft is fixedly connected with a thrust disc, the thrust disc is positioned in the thrust cavity, an oil control ring is fixedly connected to one surface of the thrust disc, a thrust ring is fixedly connected, one surface of the thrust ring is fixedly connected with the piston head.

Further, the outer wall of the body is fixedly communicated with an oil injection pipe, and one end of the oil injection pipe is communicated with the inside of the oil cavity.

Further, the two ports of the body are fixedly connected with sealing covers through bolts, and sealing assemblies are arranged at the connecting positions of the sealing covers and the peripheral side face of the middle shaft.

Furthermore, a gland is fixed to the top of the body through bolts, an oil return pipe penetrates through and is fixed to one surface of the gland, and the oil return pipe is communicated with the inner portion of the thrust cavity.

The utility model discloses following beneficial effect has: the utility model discloses an oil pocket, the piston head, the piston rod, the disc, buffer spring, the design of accuse oil ring and thrust collar, when the jackshaft drives thrust collar horizontal axial displacement, the thrust collar passes through thrust collar and drives piston head horizontal displacement, the piston head drives the piston rod and twitches, buffer spring slows down the axial impact force of thrust collar to the bearing, avoid the bearing to damage the normal use that influences equipment, thrust collar is at thrust intracavity horizontal floating in-process simultaneously, the thrust collar drives the accuse oil ring and twitches along the oil pocket inner wall, during accuse oil ring roll-off oil pocket, the lubricating oil in the oil pocket flows into the thrust pocket, lubricated thrust collar, when the accuse oil ring slides in the oil pocket, plug up the oil pocket, thereby reach the purpose to thrust collar.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a self-aligning floatable thrust bearing;

FIG. 2 is a schematic structural view of the interior of the body;

in the drawings, the components represented by the respective reference numerals are listed below:

1-body, 2-intermediate shaft, 101-thrust cavity, 102-oil cavity, 103-piston head, 104-piston rod, 105-circular disk, 106-buffer spring, 107-thrust disk, 108-oil control ring, 109-thrust ring, 110-oil filling pipe, 111-sealing cover, 112-sealing assembly, 113-gland, 114-oil returning pipe, 115-output flange, 116-input flange and 117-annular oil control cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention relates to a self-aligning floatable thrust bearing, which comprises a body 1 and an intermediate shaft 2; the inner part of the body 1 is respectively provided with a thrust cavity 101 and an oil cavity 102, the inner part of the oil cavity 102 is provided with an annular oil control cavity 117, the inner wall of the annular oil control cavity 117 is connected with a piston head 103 in a sliding way through a guide key, one end surface of the piston head 103 is fixedly connected with a piston rod 104, one end of the piston rod 104 penetrates through the outer part of the body 1 and is fixedly connected with a disc 105, the peripheral side surface of the piston rod 104 positioned at the outer part of the body 1 is sleeved with a buffer spring 106, one end of the buffer spring 106 is fixedly connected with one surface of the disc 105, the other end of the buffer spring 106 is fixedly connected with the outer wall of the body 1, the peripheral side surface of the intermediate shaft 2 is fixedly connected with a thrust disc 107, the thrust disc 107 is positioned in the thrust cavity 101, one surface of the thrust disc 107 is fixedly, the circumferential side surface of the thrust collar 109 is matched with the inner wall of the annular oil control cavity 117, the two can rotate relatively and slide relatively, and one surface of the thrust collar 109 is fixedly connected with the piston head 103.

An oil filling pipe 110 is fixedly communicated with the outer wall of the body 1, one end of the oil filling pipe 110 is communicated with the interior of the oil cavity 102, and lubricating oil can be conveniently added into the oil cavity 102.

Wherein, body 1 both ends mouth all is through bolt fixedly connected with sealed lid 111, and sealed lid 111 is provided with seal assembly 112 with the junction of 2 week side faces of jackshaft, avoids the lubricating oil in the thrust chamber 101 to leak.

The top of the body 1 is fixed with a gland 113 through a bolt, one surface of the gland 113 is fixedly provided with an oil return pipe 114 in a penetrating manner, and the oil return pipe 114 is communicated with the inside of the thrust cavity 101, so that lubricating oil in the thrust cavity 101 conveniently flows back into the oil cavity 102.

Wherein, jackshaft 2 one end is provided with output flange 115, and the jackshaft 2 other end is provided with input flange 116, and output flange 115 and input flange 116 cooperate and support jackshaft 2.

The working principle of the embodiment is as follows: during use, the intermediate shaft 2 drives the thrust disc 107 to move horizontally and axially, the thrust disc 107 drives the piston head 103 to move horizontally through the thrust ring 109, the piston head 103 drives the piston rod 104 to twitch, the buffer spring 106 reduces the axial impact force of the thrust disc 107 on the bearing, the bearing is prevented from being damaged and the normal use of the equipment is prevented from being influenced, meanwhile, in the horizontal floating process of the thrust disc 107 in the thrust cavity 101, the thrust disc 107 drives the oil control ring 108 to twitch along the inner wall of the oil cavity 102, when the oil control ring 108 slides out of the oil cavity 102, lubricating oil in the oil cavity 102 flows into the thrust cavity 101, the thrust disc 107 is lubricated, and when the oil control ring 108 slides into the oil cavity 102, the oil cavity 102 is blocked, so.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A self-aligning floatable thrust bearing comprises a body (1) and an intermediate shaft (2); the method is characterized in that: the anti-thrust oil-gas mixing device is characterized in that a thrust cavity (101) and an oil cavity (102) are respectively formed inside the body (1), an annular oil control cavity (117) is formed inside the oil cavity (102), a piston head (103) is connected between the inner walls of the annular oil control cavity (117) in a sliding mode through a guide key, a piston rod (104) is fixedly connected to one end face of the piston head (103), one end of the piston rod (104) penetrates through the outside of the body (1) and is fixedly connected with a disc (105), a buffer spring (106) is sleeved on the peripheral side face, located on the outside of the body (1), of the piston rod (104), one end of the buffer spring (106) is fixedly connected to one surface of the disc (105), the other end of the buffer spring (106) is fixedly connected with the outer wall of the body (1), a thrust disc (107) is fixedly connected, an oil control ring (108) is fixedly connected to one surface of the thrust disc (107), a thrust ring (109) is fixedly connected to one surface of the oil control ring (108), the peripheral side surface of the oil control ring (108) is matched with the inner wall of the oil cavity (102), the peripheral side surface of the thrust ring (109) is matched with the inner wall of the annular oil control cavity (117), and one surface of the thrust ring (109) is fixedly connected with the piston head (103).

2. The self-aligning floatable thrust bearing according to claim 1, wherein an oil filling pipe (110) is fixedly communicated with the outer wall of the body (1), and one end of the oil filling pipe (110) is communicated with the inside of the oil chamber (102).

3. The self-aligning floatable thrust bearing according to claim 1, wherein both ends of the body (1) are fixedly connected with sealing covers (111) through bolts, and a sealing assembly (112) is arranged at the connection position of the sealing covers (111) and the circumferential side surface of the intermediate shaft (2).

4. The self-aligning floatable thrust bearing according to claim 1, wherein a gland (113) is fixed to the top of the body (1) through bolts, an oil return pipe (114) penetrates through and is fixed to one surface of the gland (113), and the oil return pipe (114) is communicated with the inside of the thrust chamber (101).