CN214888426U

CN214888426U - Intermediate bearing support of acid-resistant environment

Info

Publication number: CN214888426U
Application number: CN202121324486.6U
Authority: CN
Inventors: 冷国强; 武翠红
Original assignee: Spirid Tianjin Machinery Technology Co ltd
Current assignee: Spirid Tianjin Machinery Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-26
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses an intermediate bearing support of acid-resistant environment, including two end covers of support body and rigid coupling at support body both ends, set up first through-hole in the support body, central point puts rigid coupling bearing lateral wall in the first through-hole, bearing inside wall rigid coupling axis, two annular projections of end cover inside wall rigid coupling respectively, two first through-hole both ends are pegged graft respectively to the annular projection. The utility model discloses the end cover has been set up, and the end cover medial surface joint the skeleton oil blanket, and the leakproofness in the first through-hole can effectively be guaranteed to the skeleton oil blanket, effectively avoids the acid material to get into to still set up annular inserted block on the end cover, through annular inserted block and the annular slot interference fit on the end cover, guaranteed the leakproofness of end cover and this body coupling of support, avoided the acid material to pass through the bearing department in end cover and the first through-hole of this body coupling gap department infiltration of preparation, makeed the utility model discloses protective properties to the bearing when using in acid-proof environment.

Description

Intermediate bearing support of acid-resistant environment

Technical Field

The utility model relates to a bearing support technical field specifically is an intermediate bearing support of acid-resistant environment.

Background

The middle bearing is one of bearings and widely applied to mechanical equipment, the middle bearing is a main bearing unit of a ship shafting and bears a large load in the working process, so that the general strength of the middle bearing support is high, and a plurality of middle bearings can often work in an acid environment at present, so that the middle bearing support can be provided with an acid-proof and corrosion-proof coating, but the current middle bearing support still has the following defects when being used in the acid environment:

at present, the middle bearing support is generally made of corrosion-resistant materials or provided with corrosion-resistant coatings, but through holes of a plurality of middle bearing support mounting bearings are designed to be open, so that acid gas or liquid is caused to contact a bearing body through the through holes, the service life of the bearing is influenced, end covers are arranged on the middle bearing support to cover two ends of the through holes, but the sealing performance is poor, and the situation that acid substances enter or permeate can still occur.

To this end, an acid-resistant intermediate bearing support is proposed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intermediate bearing support of acid-resistant environment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intermediate bearing support who acidproof environment, includes two end covers of support body and rigid coupling at support body both ends, set up first through-hole in the support body, central point puts rigid coupling bearing lateral wall in the first through-hole, bearing inside wall rigid coupling axis, two annular projections of end cover inside wall rigid coupling respectively, two first through-hole both ends are pegged graft respectively to the annular projection, annular projection is located one end and sets up annular groove in the first through-hole, the ring groove inside callipers bone frame oil blanket, the end cover is close to support body one side rigid coupling annular inserted block, annular slot is seted up to support body lateral wall, annular inserted block lateral wall is the rubber layer structure, annular inserted block and annular slot interference fit.

Preferably, a plurality of threaded through holes are formed in the end cover, threaded holes are formed in the position, corresponding to the threaded through holes, of the support body, the threaded holes and the threaded through holes are connected with fixing bolts in an internal thread mode, the fixing bolts are sleeved with gaskets, and the gaskets are of a double-stack self-locking gasket structure.

Preferably, the top surface of the support body is provided with an oil filling port, the inside of the side wall of the support body is provided with an oil duct, the oil duct is communicated with the oil filling port, the oil duct is also communicated with the first through hole, the oil filling port is in threaded connection with a sealing cover, the bottom surface of the sealing cover is fixedly connected with a sealing plug, and the sealing plug is in interference fit with the inside of the oil filling port.

Preferably, two second through holes are formed in the two end covers respectively, two ends of the middle shaft penetrate through the two second through holes respectively, and the outer side walls of the end parts of the two ends of the middle shaft are fixedly connected with two flat keys respectively.

Preferably, two ends of the bottom surface of the support body are fixedly connected with two fixing lugs respectively, and a plurality of mounting through holes are formed in the fixing lugs.

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

the utility model discloses the end cover has been set up, and the end cover medial surface joint the skeleton oil blanket, and the leakproofness in the first through-hole can effectively be guaranteed to the skeleton oil blanket, effectively avoids the acid material to get into to still set up annular inserted block on the end cover, through annular inserted block and the annular slot interference fit on the end cover, guaranteed the leakproofness of end cover and this body coupling of support, avoided the acid material to pass through the bearing department in end cover and the first through-hole of this body coupling gap department infiltration of preparation, makeed the utility model discloses protective properties to the bearing when using in acid-proof environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the explosion structure of the present invention;

FIG. 3 is an enlarged schematic view of the top cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of the side view section structure of the present invention.

In the figure: the bearing comprises a support seat body 1, an end cover 2, a bearing 3, a middle shaft 4, a fixing bolt 5, a gasket 6, a sealing cover 7, a first through hole 11, an annular slot 12, a threaded hole 13, an oil filling port 14, an oil duct 15, a fixing lug 16, a mounting through hole 17, a second through hole 21, an annular insertion block 23, an annular convex column 24, an annular clamping groove 25, a framework oil seal 26, a threaded through hole 27, a flat key 41 and a sealing plug 71.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an intermediate bearing support of acid-resistant environment, including support body 1 and two end covers 2 of rigid coupling at support body both ends, set up first through-hole 11 in the support body 1, central point puts rigid coupling bearing 3 lateral walls in the first through-

hole

11, 3 inside wall rigid coupling axis 4 of bearing, two fixed lugs 16 of 1 bottom surface both ends of support body rigid coupling respectively, set up a plurality of installation through-holes 17 on the fixed lug 16, can install this preparation in required position through installation through-hole 17 and fixed lug 16, set up two second through-holes 21 on two end covers 2 respectively, two second through-holes 21 are passed respectively at axis 4 both ends, two parallel keys 41 of axis 4 both ends tip lateral wall rigid coupling respectively, can guarantee the stability of axis 4 junction through parallel key 41.

Referring to fig. 3, two annular convex columns 24 are fixedly connected to inner side walls of two end covers 2, the two annular convex columns 24 are respectively inserted into two ends of the first through hole 11, an annular clamping groove 25 is formed at one end of each annular convex column 24 located in the first through hole 11, and a bone rack oil seal 26 is clamped in the annular clamping groove 25; the framework oil seal 26 can effectively ensure the sealing property in the first through hole 11 and effectively avoid the entering of acidic substances.

Referring to fig. 3, an annular insert 23 is fixedly connected to one side of the end cap 2 close to the support body 1, an annular slot 12 is formed in the side wall of the support body 1, the outer side wall of the annular insert 23 is of a rubber layer structure, the annular insert 23 is in interference fit with the annular slot 12, and the annular insert 23 on the end cap 2 is in interference fit with the annular slot 12, so that the sealing property of the connection between the end cap 2 and the support body 1 is ensured, and acidic materials are prevented from permeating into the bearing 3 in the first through hole 11 through a connecting gap between the end cap 2 and the production body 1.

Referring to fig. 3, a plurality of threaded through holes 27 are formed in the end cover 2, the threaded hole 13 is formed in the support body 1 corresponding to the plurality of threaded through holes 27, the threaded hole 13 and the threaded through hole 27 are connected with the fixing bolt 5 through internal threads, the fixing bolt 5 is sleeved with the gasket 6, the gasket 6 is of a double-stack self-locking washer structure, the end cover 2 and the support body can be installed and removed through the fixing bolt 5, and the bearing 3 is convenient to maintain or replace.

Referring to fig. 4, an oil filling port 14 is formed in the top surface of the support body 1, an oil passage 15 is formed in the side wall of the support body 1, the oil passage 15 is communicated with the oil filling port 14, the oil passage 15 is further communicated with the inside of the first through hole 11, the oil filling port 14 is in threaded connection with the sealing cover 7, the bottom surface of the sealing cover 7 is fixedly connected with the sealing plug 71, the sealing plug 71 is in interference fit with the inside of the oil filling port 14, and lubricating oil is conveniently added through the oil filling port to lubricate and maintain the bearing 3 in the first through hole 11.

The working principle is as follows: the utility model discloses an installation through-hole 17 and fixed lug 16 can be installed this preparation in required position to connect axis 3 both ends. The utility model discloses end cover 2 has been set up, and 2 medial surfaces of end cover have blocked skeleton oil blanket 26, and the leakproofness in first through-hole 11 can effectively be guaranteed to skeleton oil blanket 26, effectively avoids the acid substance to get into to annular inserted block 23 has still been set up on end cover 2, through annular inserted block 23 and the 12 interference fit of annular slot on the end cover 2, guaranteed the leakproofness that end cover 2 and support body 1 are connected, avoid the acid substance to pass through end cover 2 and the 3 departments of bearing in the first through-hole 11 of the infiltration of preparation body 1 joint gap department, make the utility model discloses protective properties to the bearing when using in acid-proof environment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intermediate bearing support of acid-resistant environment, includes two end cover (2) at support body both ends of support body (1) and rigid coupling, its characterized in that:

a first through hole (11) is formed in the support body (1), the outer side wall of the bearing (3) is fixedly connected to the center position in the first through hole (11), and the inner side wall of the bearing (3) is fixedly connected to the middle shaft (4);

two annular convex columns (24) are fixedly connected to the inner side walls of the two end covers (2) respectively, the two annular convex columns (24) are inserted into two ends of the first through hole (11) respectively, an annular clamping groove (25) is formed in one end, located in the first through hole (11), of each annular convex column (24), and an oil seal (26) of the bone rack is clamped in each annular clamping groove (25);

the end cover (2) is fixedly connected with an annular insertion block (23) at one side close to the support body (1), an annular insertion groove (12) is formed in the side wall of the support body (1), the outer side wall of the annular insertion block (23) is of a rubber layer structure, and the annular insertion block (23) is in interference fit with the annular insertion groove (12).

2. An acid environment resistant center bearing support according to claim 1, wherein: the end cover (2) is provided with a plurality of thread through holes (27), the support body (1) is provided with thread holes (13) corresponding to the thread through holes (27), the thread holes (13) and the thread through holes (27) are connected with fixing bolts (5) in an internal thread mode, the fixing bolts (5) are sleeved with gaskets (6), and the gaskets (6) are of a double-stack self-locking gasket structure.

3. An acid environment resistant center bearing support according to claim 1, wherein: the oil filling port (14) is formed in the top surface of the support body (1), the oil duct (15) is formed in the side wall of the support body (1), the oil duct (15) is communicated with the oil filling port (14), the oil duct (15) is further communicated with the interior of the first through hole (11), the oil filling port (14) is connected with the sealing cover (7) in a threaded mode, the bottom surface of the sealing cover (7) is fixedly connected with the sealing plug (71), and the sealing plug (71) is in interference fit with the interior of the oil filling port (14).

4. An acid environment resistant center bearing support according to claim 1, wherein: two second through holes (21) are respectively formed in the two end covers (2), two ends of the middle shaft (4) respectively penetrate through the two second through holes (21), and the outer side walls of the end parts of the two ends of the middle shaft (4) are respectively and fixedly connected with two flat keys (41).

5. An acid environment resistant center bearing support according to claim 1, wherein: two ends of the bottom surface of the support body (1) are fixedly connected with two fixing lugs (16) respectively, and a plurality of mounting through holes (17) are formed in the fixing lugs (16).