CN212262576U

CN212262576U - Bearing seat for vacuum belt dehydrator

Info

Publication number: CN212262576U
Application number: CN202020232512.1U
Authority: CN
Inventors: 朱方佳; 凌金华; 李兵凡
Original assignee: Zhejiang Shanying Paper Industry Co Ltd
Current assignee: Aituo Environmental Energy Zhejiang Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-01-01
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a bearing frame for vacuum belt hydroextractor. The bearing mechanism comprises a bearing mechanism, the bearing mechanism is arranged on a supporting base through an installation frame body, a bearing seat shell is arranged on the installation frame body, the bearing seat shell is sleeved on the circumferential outer side of the bearing mechanism, the circumferential outer side of the bearing seat shell is connected with the installation frame body through a plurality of fixing screw rods, a carrier roller shaft head penetrates through the central part of the bearing mechanism, a plurality of jackscrews used for fixing the carrier roller shaft head are arranged on the outer side of an inner ring of the bearing mechanism, an installation gap is formed between the carrier roller shaft head and the inner ring of the bearing mechanism, closed structures are arranged at two ends of the bearing mechanism, an oil guide nozzle is arranged in the middle of each closed structure, and an oil seal piece capable of preventing lubricating oil and water vapor from leaking into an inner cavity of the. The utility model has the advantages that: the bearing mechanism and the roller head are prevented from being rusted, and the roller head is convenient to disassemble and convenient to overhaul.

Description

Bearing seat for vacuum belt dehydrator

Technical Field

The utility model relates to a bearing erection equipment field, concretely relates to a bearing frame for vacuum belt hydroextractor.

Background

The bearing seat is one of mechanical parts commonly used in the field of mechanical transmission, almost places with bearings can relate to the bearing seat, the bearing seat is a component which is arranged on a machine body or a foundation and is used for supporting the bearings, the bearing seat is a seat body which is used for installing and fixing the bearings and can bear certain supporting force, and the bearings are matched with shafts on the bearing seat to realize synchronous rotation with the shafts. The bearing block is widely applied to various fields such as forging, smelting, heat treatment, boilers, dust collectors, material conveying and the like, at present, the sealing of the bearing block of the fan is mostly of a traditional felt type, but when the sealing mode is used, because the sealing performance of the bearing block is poor, oil leakage often occurs, a large amount of lubricating oil is wasted, a machine halt is often caused, and the working efficiency is influenced, and when the sealing mode is applied to a vacuum belt dehydrator for desulfurization, because a large amount of high-chlorine wastewater exists in desulfurization slurry, the temperature of the slurry is about 50 ℃, water vapor in the environment is large, the bearing block is easy to enter water, the bearing is corroded and blocked, and the normal operation of a carrier roller is even influenced, meanwhile, when the bearing block is replaced, because the size gap between a shaft head and the inner ring of the carrier roller bearing block is small, and the contact surface is corroded, the rust is dead, and when dismantling the bearing frame, the degree of difficulty is very big, causes inconvenience to maintenance work.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a fan bearing seat sealing device [ CN201810267983.3], which comprises a bearing seat body, wherein the bearing seat body comprises a base and an arc block, the arc block is located at the middle position of the top of the base, the middle position of the base is provided with the arc block, the middle position of the arc block is fixedly connected with the bearing seat body, one side of the arc block is provided with a bearing seat end cover matched with the arc block, the bearing seat end cover is provided with a plurality of first threaded holes distributed annularly, one side of the bearing seat end cover is provided with an annular felt body, the arc block is provided with a plurality of second threaded holes corresponding to the first threaded holes, each first threaded hole is internally provided with a bolt in a penetrating manner, the lower end of each bolt extends into the second socket, the arc block is provided with an arc groove, and the arc ring is arranged inside the arc groove.

Above-mentioned scheme has solved current bearing frame to a certain extent and has sealed the problem that the effect is not good, easy oil leak, but this scheme still has a lot of insufficiencies, for example: the bearing frame is very easily intake, causes bearing corrosion, jam, influences the normal operating of bearing roller even, when dismantling the bearing frame moreover, the degree of difficulty is great, causes inconvenience to maintenance work.

Disclosure of Invention

The utility model aims at the above problem, provide a reasonable in design, be difficult for intaking and convenient to detach's a bearing frame for vacuum belt hydroextractor.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the bearing seat for the vacuum belt dehydrator comprises a bearing mechanism, wherein the bearing mechanism is arranged on a supporting base through a mounting frame body, a bearing seat shell for sealing the bearing mechanism is arranged on the mounting frame body, the bearing seat shell is sleeved on the circumferential outer side of the bearing mechanism, the circumferential outer side of the bearing seat shell is connected with the mounting frame body through a plurality of fixing screws, a carrier roller shaft head for supporting the bearing mechanism penetrates through the center part of the bearing mechanism, a plurality of jackscrews for fixing the carrier roller shaft head are arranged on the outer side of the inner ring of the bearing mechanism, and a mounting clearance for mounting jackscrews is arranged between the carrier roller shaft head and the inner ring of the bearing mechanism, both ends of the bearing mechanism are provided with a closed structure for closing the housing of the bearing seat, an oil guide nozzle for inputting lubricating oil into the inner cavity of the bearing mechanism is arranged in the middle of the closed structure, and an oil seal piece capable of preventing lubricating oil from leaking and preventing water vapor from entering the inner cavity of the bearing mechanism is arranged between the inner side of the closed structure and the bearing mechanism. Through setting up the enclosed construction at bearing mechanism both ends, utilize the common cooperation of enclosed construction and bearing frame shell to make bearing mechanism sealed wherein, and lubricating oil gets into the bearing mechanism inner chamber through the oil seal spare that sets up on the enclosed construction, has prevented that bearing mechanism and bearing roller spindle nose from producing the corrosion, and has effectively avoided outside steam and bearing mechanism to produce the contact, simultaneously, fixed through the jackscrew between bearing roller spindle nose and the bearing mechanism inner circle, convenient to detach, it is convenient to overhaul.

In the bearing pedestal for the vacuum belt dehydrator, the bearing mechanism comprises a bearing inner ring, the jackscrews are arranged on the outer side of the bearing inner ring at equal intervals, a bearing outer ring is arranged on the outer side of the circumference of the bearing inner ring, an annular ball channel is formed between the bearing outer ring and the bearing inner ring, and a plurality of bearing balls which are the same in size and can rotate in the circumferential direction of the annular ball channel are arranged in the annular ball channel.

In the above-described bearing housing for a vacuum belt dehydrator, an annular fixing member for fixing a bearing mechanism is provided between the inner side in the circumferential direction of the housing of the bearing housing and the outer side in the circumferential direction of the outer ring of the bearing. The annular fixing piece can keep the bearing mechanism in stable operation and avoid the abrasion of the outer ring of the bearing mechanism caused by the contact between the circumferential outer ring of the bearing mechanism and the circumferential inner side of the bearing seat shell.

In foretell a bearing frame for vacuum belt hydroextractor, bearing frame shell circumference is equipped with a plurality of installation departments, and every installation department is equipped with an installation through-hole, and the bearing frame shell passes through the fixed screw and fixes the setting on the installation support body with the mode that the installation through-hole mutually supported, and the installation department that is located the bearing frame shell upper end links to each other with enclosed construction. The setting of installation not only can make between bearing frame shell and the installation support body zonulae occludens, can also make between bearing frame shell and the enclosed construction closely laminate, and the leakproofness is good.

In foretell a bearing frame for vacuum belt hydroextractor, the installation support body includes two sets of parallel arrangement at the installation cylinder group of bearing frame shell both sides, and installation cylinder group bottom links to each other through arc portion, and installation cylinder group includes the installation cylinder of two vertical settings, links to each other through the installation screw rod is fixed between installation cylinder and the bearing frame shell. Therefore, the bearing seat shell can be kept stable, and the phenomenon of no shaking is reduced.

In the above-described bearing housing for a vacuum belt dehydrator, the upper end of the arc-shaped portion has an arc-shaped groove for bearing the housing of the bearing housing.

In foretell a bearing frame for vacuum belt hydroextractor, support the base setting at first supporting seat and the second supporting seat at arc portion both ends, and fixed linking to each other between first supporting seat, second supporting seat, the arc portion, and integrated into one piece sets up between first supporting seat, second supporting seat, arc portion, the installation cylinder, the one end that first supporting seat and second supporting seat kept away from axle arc portion is equipped with the fixed body of rod that is used for fixed first supporting seat and second supporting seat. The integrated into one piece sets up the structure that makes between support base and the installation support body more stable.

In the bearing pedestal for the vacuum belt dehydrator, a buffer space recessed towards the bearing pedestal shell is formed between the bottom of the arc-shaped part and the bottoms of the first supporting seat and the second supporting seat, and the width of the buffer space is the same as the diameter of the bearing pedestal shell. The buffer space is arranged to reserve enough space when the bearing seat shell has downward pressure due to excessive bearing capacity.

In the bearing pedestal for the vacuum belt dehydrator, the sealing structure comprises an outer end cover and an inner end cover which are respectively arranged at two ends of the bearing pedestal shell, a bearing sealing space is jointly formed among the bearing pedestal shell, the outer end cover and the inner end cover, and the bearing mechanism is arranged in the bearing sealing space.

In the bearing pedestal for the vacuum belt dehydrator, the outer end cover and the inner end cover are fixedly connected with the outer side of the bearing pedestal shell through the end cover mounting screw, and the oil seal piece is arranged on the circumferential inner side of the inner end cover. The oil seal piece is used for preventing lubricating oil input into the inner cavity of the bearing mechanism from leaking.

Compared with the prior art, the utility model has the advantages of: simple structure, through setting up the enclosed construction at bearing mechanism both ends, utilize outside end cover, interior end cover and bearing frame shell's common cooperation to make bearing mechanism seal in the bearing enclosure space, and lubricating oil gets into the bearing mechanism inner chamber through the oil blanket piece that sets up on the enclosed construction, prevented that bearing mechanism and bearing roller spindle nose from producing the corrosion, and effectively avoided outside steam and bearing mechanism to produce the contact, simultaneously, it is fixed through the jackscrew between bearing roller spindle nose and the bearing mechanism inner circle, convenient to detach, it is convenient to overhaul.

Drawings

FIG. 1 is an overall semi-sectional view of the present invention;

fig. 2 is a half sectional view of the right structure of the present invention.

In the figure, a bearing mechanism 1, a bearing inner ring 11, a bearing outer ring 12, an annular ball channel 13, bearing balls 14, a mounting frame body 2, a mounting cylinder group 21, an arc-shaped part 22, a mounting cylinder 23, a mounting screw 24, an arc-shaped groove 25, a supporting base 3, a first supporting seat 31, a second supporting seat 32, a fixing rod body 33, a bearing seat shell 4, a fixing screw 41, an annular fixing piece 42, a mounting part 43, a mounting through hole 44, a carrier roller shaft head 5, a jackscrew 51, a closed structure 6, an oil guide nozzle 61, an oil seal piece 62, an outer side end cover 63, an inner side end cover 64, an end cover mounting screw 65, a buffer space 7 and a bearing closed space 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the bearing seat for the vacuum belt dehydrator comprises a bearing mechanism 1, wherein the bearing mechanism 1 is arranged on a supporting base 3 through an installation frame body 2, a bearing seat shell 4 for sealing the bearing mechanism 1 is arranged on the installation frame body 2, the bearing seat shell 4 is sleeved on the circumferential outer side of the bearing mechanism 1, the circumferential outer side of the bearing seat shell 4 is connected with the installation frame body 2 through a plurality of fixing screws 41, a roller head 5 for supporting the bearing mechanism 1 penetrates through the central part of the bearing mechanism 1, a plurality of jackscrews 51 for fixing the roller head 5 are arranged on the outer side of an inner ring of the bearing mechanism 1, an installation gap of the jackscrews 51 for installation is arranged between the roller head 5 and the inner ring of the bearing mechanism 1, sealing structures 6 for sealing the bearing seat shell 4 are arranged at two ends of the bearing mechanism 1, an oil guide nozzle 61 for inputting lubricating oil into an inner cavity of the bearing mechanism, and an oil seal 62 capable of preventing lubricating oil from leaking and preventing water vapor from entering the inner cavity of the bearing mechanism 1 is arranged between the inner side of the closed structure 6 and the bearing mechanism 1. The bearing mechanism 1 is sealed in the bearing seat shell 4 and the closed structure 6, the phenomenon that the bearing mechanism 1 is corroded or rusted due to contact with water vapor is effectively avoided, and meanwhile, the carrier roller shaft head 5 is fixed by the jackscrew 51 arranged on the outer side of the inner ring of the bearing mechanism 1, so that the bearing mechanism 1 is convenient to disassemble, maintain and replace for overhaul.

The bearing mechanism 1 comprises a bearing inner ring 11, the jackscrews 51 are arranged on the outer side of the bearing inner ring 11 at equal intervals, a bearing outer ring 12 is arranged on the outer side of the circumference of the bearing inner ring 11, an annular ball channel 13 is formed between the bearing outer ring 12 and the bearing inner ring 11, and a plurality of bearing balls 14 which are the same in size and can rotate in the circumference direction of the annular ball channel 13 are arranged in the annular ball channel 13. The bearing inner ring 11 is lengthened, so that the jackscrew 51 can be conveniently installed, the installation gap between the bearing inner ring 11 and the roller shaft head 5 is 8-12 wires, the bearing structure 1 can be conveniently disassembled and assembled, and the axial displacement and inner ring running phenomena of the bearing structure 1 can be effectively prevented.

Specifically, an annular fixing member 42 for fixing the bearing mechanism 1 is provided between the inner circumferential side of the bearing housing 4 and the outer circumferential side of the bearing outer ring 12.

Visibly, the bearing seat housing 4 is circumferentially provided with a plurality of mounting portions 43, each mounting portion 43 is provided with a mounting through hole 44, the bearing seat housing 4 is fixedly arranged on the mounting frame body 2 in a manner that the fixing screw 41 is matched with the mounting through hole 44, and the mounting portion 43 at the upper end of the bearing seat housing 4 is connected with the closed structure 6. A mounting portion 43 at the upper end of the bearing housing 4 is used for a fixed connection with the closure 6.

Further, the installation frame body 2 comprises two sets of installation cylinder groups 21 which are arranged on two sides of the bearing seat shell 4 in parallel, the bottoms of the installation cylinder groups 21 are connected through an arc-shaped portion 22, the installation cylinder groups 21 comprise two vertically arranged installation cylinders 23, and the installation cylinders 23 are fixedly connected with the bearing seat shell 4 through installation screws 24.

The arcuate section 22 obviously has an arcuate recess 25 at its upper end for carrying the bearing housing 4.

Preferably, the supporting base 3 is disposed on the first supporting seat 31 and the second supporting seat 32 at two ends of the arc portion 22, and the first supporting seat 31, the second supporting seat 32 and the arc portion 22 are fixedly connected to each other, and the first supporting seat 31, the second supporting seat 32, the arc portion 22 and the installation column 23 are integrally formed with each other, and a fixing rod 33 for fixing the first supporting seat 31 and the second supporting seat 32 is disposed at one end of the first supporting seat 31 and the second supporting seat 32 away from the arc portion 22. The support base 3 here is made of a metallic material.

Further, a buffer space 7 recessed toward the bearing housing 4 is formed between the bottom of the arc portion 22 and the bottoms of the first and

second support seats

31 and 32, and the width of the buffer space 7 is the same as the diameter of the bearing housing 4.

In detail, the sealing structure 6 includes an outer end cover 63 and an inner end cover 64 respectively disposed at two ends of the bearing seat housing 4, and the bearing seat housing 4, the outer end cover 63, and the inner end cover 64 together form a bearing sealing space 8 therebetween, and the bearing mechanism 1 is disposed in the bearing sealing space 8. The oil guide nozzle is arranged on the outer end cover 63, and one end of the oil guide nozzle is communicated with the inner cavity of the bearing mechanism.

More specifically, the outer end cover 63 and the inner end cover 64 are fixedly connected to the outside of the bearing housing 4 by an end cover mounting screw 65, and the oil seal 62 is disposed circumferentially inside the inner end cover 64.

The principle of the embodiment is as follows: through lengthening the bearing inner ring 11, and fix the bearing roller shaft head 5 through the jackscrew 51, it is convenient for the bearing mechanism 1 to dismantle when overhauing, moreover, utilize the mutual cooperation of outside end cover 63, medial extremity cover 64 and bearing frame shell 4 to make the bearing mechanism 1 be in the bearing enclosure space 8, simultaneously, through setting up the oil guide nozzle 61 that is linked together with the bearing mechanism 1 inner chamber on the outside end cover 63, can ensure that lubricating oil is full of the bearing mechanism 1 inner chamber, prevent bearing mechanism 1 and bearing roller shaft head 5 from producing the corrosion, and oil seal 62 also can prevent the outer hourglass and the outside steam of lubricating oil to get into the bearing mechanism 1 inner chamber, make bearing mechanism 1 and bearing roller shaft head 5 can not receive the corrosion influence in the high humidity, corrosive waste water environment, ensure that bearing mechanism 1 operates in a flexible way, reduce and overhaul work load.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the bearing mechanism 1, the bearing inner race 11, the bearing outer race 12, the annular ball passage 13, the bearing balls 14, the mounting frame body 2, the mounting cylinder group 21, the arc-shaped portion 22, the mounting cylinder 23, the mounting screw 24, the arc-shaped groove 25, the support base 3, the first support seat 31, the second support seat 32, the fixing rod body 33, the bearing seat housing 4, the fixing screw 41, the annular fixing member 42, the mounting portion 43, the mounting through hole 44, the idler head 5, the jackscrew 51, the closing structure 6, the oil guide nozzle 61, the oil seal 62, the outer end cover 63, the inner end cover 64, the end cover mounting screw 65, the buffer space 7, the bearing closing space 8, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A bearing seat for a vacuum belt dehydrator comprises a bearing mechanism (1), wherein the bearing mechanism (1) is arranged on a supporting base (3) through an installation frame body (2), and is characterized in that a bearing seat shell (4) used for sealing the bearing mechanism (1) is arranged on the installation frame body (2), the bearing seat shell (4) is sleeved on the circumferential outer side of the bearing mechanism (1), the circumferential outer side of the bearing seat shell (4) is connected with the installation frame body (2) through a plurality of fixing screw rods (41), a carrier roller shaft head (5) used for supporting the bearing mechanism (1) penetrates through the central part of the bearing mechanism (1), a plurality of jackscrews (51) used for fixing the carrier roller shaft head (5) are arranged on the outer side of an inner ring of the bearing mechanism (1), and an installation gap of the jackscrew (51) used for installation is arranged between the carrier roller shaft head (5) and the inner ring of the bearing mechanism (1), and bearing mechanism (1) both ends be equipped with enclosed construction (6) that are used for sealing bearing frame shell (4), enclosed construction (6) in the middle of be equipped with and supply lubricating oil to input to oil guide nozzle (61) of bearing mechanism (1) inner chamber, and be equipped with between enclosed construction (6) inboard and bearing mechanism (1) and can separate lubricating oil and spill and vapor entering bearing mechanism (1) inner chamber oil seal spare (62).

2. A bearing housing for a vacuum belt dehydrator according to claim 1, wherein said bearing mechanism (1) comprises a bearing inner ring (11), and said jackscrews (51) are equidistantly disposed outside said bearing inner ring (11), said bearing inner ring (11) is circumferentially provided with a bearing outer ring (12), and an annular ball channel (13) is formed between said bearing outer ring (12) and said bearing inner ring (11), said annular ball channel (13) is provided with a plurality of bearing balls (14) which have the same size and can circumferentially rotate in said annular ball channel (13).

3. A bearing housing for a vacuum belt dehydrator according to claim 2, wherein an annular fixing member (42) for fixing the bearing mechanism (1) is provided between the inner circumferential side of the housing (4) and the outer circumferential side of the outer ring (12).

4. A bearing housing for a vacuum belt dehydrator according to claim 2 or 3, wherein the bearing housing shell (4) is circumferentially provided with a plurality of mounting portions (43), and each mounting portion (43) is provided with a mounting through hole (44), the bearing housing shell (4) is fixedly arranged on the mounting frame body (2) in a manner of being mutually matched with the mounting through holes (44) through a fixing screw (41), and the mounting portion (43) at the upper end of the bearing housing shell (4) is connected with the sealing structure (6).

5. A bearing housing for a vacuum belt dehydrator according to claim 4, wherein said mounting frame body (2) comprises two sets of mounting cylinder groups (21) arranged in parallel on both sides of the housing (4) of the bearing housing, the bottoms of said mounting cylinder groups (21) are connected by means of an arc-shaped portion (22), and said mounting cylinder groups (21) comprise two vertically arranged mounting cylinders (23), said mounting cylinders (23) are fixedly connected with the housing (4) of the bearing housing by means of mounting screws (24).

6. A bearing housing for a vacuum belt extractor according to claim 5, characterized in that the upper end of the arc-shaped part (22) has an arc-shaped groove (25) for carrying the housing (4) of the bearing housing.

7. A bearing housing for a vacuum belt dehydrator according to claim 6, wherein said support base (3) is provided with a first support seat (31) and a second support seat (32) at both ends of the arc portion (22), and the first support seat (31), the second support seat (32), and the arc portion (22) are fixedly connected, and the first support seat (31), the second support seat (32), the arc portion (22), and the installation column (23) are integrally formed, and one end of the first support seat (31) and the second support seat (32) away from the shaft arc portion (22) is provided with a fixing rod (33) for fixing the first support seat (31) and the second support seat (32).

8. A bearing housing for a vacuum belt dehydrator according to claim 7, wherein a buffer space (7) recessed toward the bearing housing (4) is formed between the bottom of said arc-shaped portion (22) and the bottom of said first and second supporting seats (31, 32), and the width of said buffer space (7) is the same as the diameter of the bearing housing (4).

9. A bearing housing for a vacuum belt dehydrator according to claim 1, wherein said enclosing structure (6) comprises an outer end cap (63) and an inner end cap (64) respectively disposed at both ends of the housing (4), and the housing (4), the outer end cap (63) and the inner end cap (64) together form a bearing enclosed space (8), said bearing mechanism (1) being disposed in the bearing enclosed space (8).

10. A bearing housing for a vacuum belt dehydrator according to claim 9, wherein said outer end cap (63) and inner end cap (64) are fixedly connected to the outside of the housing (4) by end cap mounting screws (65), and said oil seal (62) is disposed circumferentially inside the inner end cap (64).