CN108979657B - Waterproof mechanism of axle - Google Patents
Waterproof mechanism of axle Download PDFInfo
- Publication number
- CN108979657B CN108979657B CN201810908387.9A CN201810908387A CN108979657B CN 108979657 B CN108979657 B CN 108979657B CN 201810908387 A CN201810908387 A CN 201810908387A CN 108979657 B CN108979657 B CN 108979657B
- Authority
- CN
- China
- Prior art keywords
- wall
- main shaft
- sleeve
- suspension sleeve
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000725 suspension Substances 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000003292 glue Substances 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 5
- 229920001973 fluoroelastomer Polymers 0.000 claims description 11
- 238000004078 waterproofing Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a shaft waterproof mechanism which comprises a main shaft and a front suspension sleeve, wherein a cutter head cylinder is sleeved at the tail end of the main shaft, an O-shaped sealing ring wrapped on the outer wall of the main shaft is adhered to the inner wall of the cutter head cylinder, the cutter head cylinder and the main shaft are further reinforced through locking bolts arranged at equal intervals, the initial end of the main shaft is connected with a motor through a coupler, the outer wall of the motor is provided with a mounting sleeve for butt joint, the inner ring of the mounting sleeve is adhered with a polyurethane rubber ring tightly attached to the outer wall of the motor through strong glue, the mounting sleeve for butt joint is adhered to the outer wall of the motor through the strong glue, the mounting sleeve and the front suspension sleeve are fixed through the strong glue, and meanwhile, the front side of the outer wall of the main shaft is rotatably connected with a front auxiliary bearing fixed to the inner wall of the front suspension sleeve, so that the front auxiliary bearing.
Description
Technical Field
The invention relates to the technical field of shafts, in particular to a waterproof mechanism for a shaft.
Background
The shaft (draft) is a cylindrical object penetrating through the middle of the bearing, the shaft is a mechanical part which supports a rotating part and rotates together with the rotating part to transfer motion, torque or bending moment, and the shaft is also an important driving part in the pipe-jacking tunneling machine.
Disclosure of Invention
The present invention is directed to a shaft waterproof mechanism to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a shaft waterproof mechanism comprises a main shaft and a front suspension sleeve, wherein a cutter head cylinder is sleeved at the tail end of the main shaft, an O-shaped sealing ring wrapped on the outer wall of the main shaft is adhered to the inner wall of the cutter head cylinder, the cutter head cylinder and the main shaft are further reinforced through locking bolts arranged at equal intervals, the initial end of the main shaft is connected with a single-drive motor through a coupling, the outer wall of the motor is provided with an installation sleeve for butt joint, the inner ring of the installation sleeve is adhered with a polyurethane rubber ring tightly attached to the outer wall of the motor through strong glue, the installation sleeve is fixedly installed on the front side of the front suspension sleeve through bolts, the front side of the outer wall of the main shaft is rotatably connected with a front auxiliary bearing fixed to the inner wall of the front suspension sleeve, the rear end of the front suspension sleeve is fixedly inserted into the rear suspension sleeve, the rear side of the outer wall of the main shaft is rotatably connected with a rear auxiliary bearing connected, the left side and the right side of the waterproof nut are respectively in contact with the opposite sides of the rear suspension sleeve and the cutter head cylinder.
Preferably, the outer wall of the main shaft is further sleeved with sealing covers positioned on the inner walls of the front suspension sleeve and the rear suspension sleeve respectively, the inner walls of the front suspension sleeve and the rear suspension sleeve are fixedly adhered to the outer walls of the sealing covers through strong glue, and the main shaft penetrates through the two sealing covers.
Preferably, the sealing cover is located at the rear sides of the front auxiliary bearing and the rear auxiliary bearing respectively, the rear side of the sealing cover is provided with a check ring sleeved on the outer wall of the main shaft, the inner ring and the front side of the check ring are covered with a fluororubber pad, and the fluororubber pad covered by the front side of the check ring is in contact with the rear side of the sealing cover respectively.
Preferably, preceding suspension cover rear side is fixed with the insert ring that the annular set up, just back suspension cover front side is opened and is equipped with and inserts ring assorted annular slot, insert ring and preceding suspension cover integrated setting, the insert ring outer wall has sealed the pad through the adhesion of powerful glue.
Preferably, a rubber ring for sealing and waterproofing is also fixedly adhered between the mounting sleeve and the front suspension sleeve.
Preferably, both sides all glue around the waterproof nut and have the sealing washer of hollow setting, and the sealing washer that is located the waterproof nut front side hugs closely with the rear overhang cover rear side, and the sealing washer that is located the waterproof nut rear side hugs closely with blade disc barrel front side.
Compared with the prior art, the invention has the beneficial effects that: the invention is convenient to assemble and disassemble on the basis of water resistance, firstly, the installation sleeve for butt joint is adhered to the outer wall of the motor through strong glue, then the installation sleeve and the front suspension sleeve are fixed by bolts, simultaneously, the front side of the outer wall of the main shaft is rotationally connected with a front auxiliary bearing fixed with the inner wall of the front suspension sleeve, thereby the front auxiliary bearing and the main shaft can be installed, the outer wall of the main shaft is also sleeved on the sealing covers on the inner walls of the front suspension sleeve and the rear suspension sleeve, the inner wall of the front suspension sleeve and the outer wall of the sealing cover are fixed by adhesion of strong glue, the main shaft penetrates through the sealing cover, the sealing cover is respectively positioned at the rear side of the front auxiliary bearing, the rear side of the sealing cover is also provided with a check ring sleeved on the outer wall of the main shaft, the inner ring and the front side of the check ring are both covered with fluororubber pads, and the fluororubber pads covered at the front side of the check ring are respectively arranged in contact with the rear side of the sealing cover, therefore, the front auxiliary bearing can be sealed in a waterproof way by utilizing the mutual matching of the sealing cover, the retainer ring and the fluororubber pad; the front suspension sleeve and the rear suspension sleeve can be fixedly connected in an inserting way through the mutual matching of the inserting ring and the annular slot, and meanwhile, the sealing effect of the joint of the front suspension sleeve and the rear suspension sleeve can be enhanced through the sealing gasket; and lie in inside back auxiliary bearing of back overhang cover and also install according to the same form of above-mentioned preceding auxiliary bearing and seal, afterwards, cup joint waterproof nut in the main shaft outer wall, cup joint the blade disc barrel again and install in the end of main shaft through the bolt, in addition, the waterproof nut left and right sides all glues the sealing washer that even has hollow setting, and the sealing washer hugs closely with back overhang cover and blade disc barrel opposite side respectively, can strengthen the sealed effect of main shaft through the setting of sealing washer, and has very high practicality, this kind of axle waterproofing mechanism's service function has been promoted greatly, guarantee its result of use and result of use, and is suitable for extensive popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the structure of the connection between the sealing cap and the retainer ring according to the present invention;
fig. 3 is a schematic structural view of the connection relationship between the main shaft and the cutter head cylinder.
In the figure: the device comprises a main shaft 1, a front suspension sleeve 2, a cutter head cylinder 3, a sealing ring 4, a motor 5, an installation sleeve 6, a polyurethane rubber ring 7, a front auxiliary bearing 8, a rear suspension sleeve 9, an annular slot 10, a rear auxiliary bearing 11, a waterproof nut 12, a sealing cover 13, a retaining ring 14, a fluororubber pad 15 and an insert ring 16.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a shaft waterproof mechanism comprises a main shaft 1 and a front suspension sleeve 2, wherein a cutter head cylinder 3 is sleeved at the tail end of the main shaft 1, the inner wall of the cutter head cylinder 3 is adhered with an O-shaped sealing ring 4 wrapped on the outer wall of the main shaft 1, the cutter head cylinder 3 and the main shaft 1 are further reinforced through locking bolts arranged at equal intervals, the initial end of the main shaft 1 is connected with a single-drive motor 5 through a coupling, the outer wall of the motor 5 is provided with an installation sleeve 6 for butt joint, the inner ring of the installation sleeve 6 is adhered with a polyurethane rubber ring 7 tightly attached to the outer wall of the motor 5 through strong glue, the installation sleeve 6 is fixedly installed on the front side of the front suspension sleeve 2 through bolts, the front side of the outer wall of the main shaft 1 is rotatably connected with a front auxiliary bearing 8 fixed with the inner wall of the front suspension sleeve 2, the rear end of the front suspension sleeve 2 is fixedly inserted with a rear suspension sleeve 9, the rear side of the outer wall of the main shaft 1 is, the outer wall of the main shaft 1 is further screwed with a waterproof nut 12, and the left side and the right side of the waterproof nut 12 are respectively in contact with the opposite sides of the rear suspension sleeve 9 and the cutter head cylinder 3.
Specifically, the outer wall of the main shaft 1 is further respectively sleeved with a sealing cover 13 located on the inner wall of the front suspension sleeve 2 and the inner wall of the rear suspension sleeve 9, the inner wall of the front suspension sleeve 2 and the inner wall of the rear suspension sleeve 9 are respectively fixed to the outer wall of the sealing cover 13 through adhesion of strong glue, and the main shaft 1 penetrates through the two sealing covers 13.
Specifically, sealed lid 13 is located preceding auxiliary bearing 8 and rear auxiliary bearing 11's rear side respectively, sealed lid 13 rear side still all is provided with the retaining ring 14 of cup jointing in main shaft 1 outer wall, retaining ring 14 inner circle and front side all cover fluororubber pad 15, just fluororubber pad 15 that retaining ring 14 front side covered contacts the setting with sealed lid 13's rear side respectively.
Specifically, 2 rear sides of preceding suspension cover are fixed with the insert ring 16 that the annular set up, just the 9 front sides of back suspension cover open be equipped with insert ring 16 assorted annular slot 10, insert ring 16 and preceding suspension cover 2 be the integration setting, 16 outer walls of insert ring have sealed the pad through the adhesion of powerful glue.
Specifically, a rubber ring for sealing and water proofing is also fixedly adhered between the mounting sleeve 6 and the front suspension sleeve 2.
Specifically, the left side and the right side of the waterproof nut 12 are both adhered with sealing rings which are arranged in a hollow mode, and the sealing rings are respectively attached to the opposite sides of the rear suspension sleeve 9 and the cutter head cylinder 3.
The working principle is as follows: the invention relates to a shaft waterproof mechanism, when in use, firstly, a mounting sleeve 6 for butt joint is adhered to the outer wall of a motor 5 through strong glue, then the mounting sleeve 6 and a front suspension sleeve 2 are fixed by bolts, simultaneously, the front side of the outer wall of a main shaft 1 is rotatably connected with a front auxiliary bearing 8 fixed with the inner wall of the front suspension sleeve 2, so that the front auxiliary bearing 8 and the main shaft 1 can be mounted, the outer wall of the main shaft 1 is also sleeved on sealing covers 13 on the inner walls of the front suspension sleeve 2 and a rear suspension sleeve 9, the inner wall of the front suspension sleeve 2 and the outer wall of the sealing cover 13 are adhered and fixed through the strong glue, the main shaft 1 penetrates through the sealing covers 13, the sealing covers 13 are respectively positioned on the rear sides of the front auxiliary bearing 8, a retainer ring 14 sleeved on the outer wall of the main shaft 1 is also arranged on the rear side of the sealing cover 13, the inner ring and the front side of the retainer ring 14 are both covered, so that the front auxiliary bearing 8 can be sealed in a waterproof manner by the mutual cooperation of the seal cover 13, the retainer ring 14 and the fluororubber pad 15; the front suspension sleeve 2 and the rear suspension sleeve 9 can be fixedly inserted through the mutual matching of the insert ring 16 and the annular slot 10, and meanwhile, the sealing effect of the joint of the front suspension sleeve and the rear suspension sleeve can be enhanced through the sealing gasket; and the back auxiliary bearing 11 that is located inside back overhang cover 9 also installs according to the same form of above-mentioned preceding auxiliary bearing 8 and seals, afterwards, cup joint waterproof nut 12 in main shaft 1 outer wall, cup joint blade disc barrel 3 again and install in main shaft 1's end through the bolt, in addition, the equal gluing in waterproof nut 12 left and right sides has the sealing washer of hollow setting, and the sealing washer is hugged closely with back overhang cover 9 and blade disc barrel 3 opposite side respectively, can strengthen main shaft 1's sealed effect through the setting of sealing washer.
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 (6)
1. The utility model provides an axle waterproofing mechanism, includes main shaft (1) and preceding overhang cover (2), its characterized in that: the end of the main shaft (1) is sleeved with a cutter head cylinder (3), the inner wall of the cutter head cylinder (3) is adhered with an O-shaped sealing ring (4) wrapped on the outer wall of the main shaft (1), the cutter head cylinder (3) and the main shaft (1) are further reinforced through locking bolts arranged at equal intervals, the initial end of the main shaft (1) is connected with a single-drive motor (5) through a coupler, the outer wall of the motor (5) is provided with a mounting sleeve (6) used for butt joint, the inner ring of the mounting sleeve (6) is adhered with a polyurethane rubber ring (7) tightly attached to the outer wall of the motor (5) through strong glue, the mounting sleeve (6) is fixedly installed on the front side of the front suspension sleeve (2) through bolts, the front side of the outer wall of the main shaft (1) is rotatably connected with a front auxiliary bearing (8) fixed to the inner wall of the front suspension sleeve (2), and the rear end of the front suspension sleeve (2) is, the rear auxiliary bearing (11) connected with the inner wall of the rear suspension sleeve (9) is rotatably connected to the rear side of the outer wall of the main shaft (1), the outer wall of the main shaft (1) is further screwed with a waterproof nut (12), and the left side and the right side of the waterproof nut (12) are respectively in contact with the opposite sides of the rear suspension sleeve (9) and the cutter head cylinder (3).
2. The shaft waterproofing mechanism according to claim 1, wherein: the outer wall of the main shaft (1) is further respectively sleeved with a sealing cover (13) located on the inner wall of the front suspension sleeve (2) and the inner wall of the rear suspension sleeve (9), the inner walls of the front suspension sleeve (2) and the rear suspension sleeve (9) are respectively fixed with the outer wall of the sealing cover (13) through adhesion of strong glue, and the main shaft (1) penetrates through the two sealing covers (13).
3. The shaft waterproofing mechanism according to claim 2, wherein: sealed lid (13) are located the rear side of preceding auxiliary bearing (8) and back auxiliary bearing (11) respectively, sealed lid (13) rear side still all is provided with retaining ring (14) of cup jointing in main shaft (1) outer wall, retaining ring (14) inner circle and front side all cover fluororubber pad (15), just fluororubber pad (15) that retaining ring (14) front side covered contact the setting with the rear side of sealed lid (13) respectively.
4. The shaft waterproofing mechanism according to claim 1, wherein: preceding suspension cover (2) rear side is fixed with insert ring (16) that the annular set up, just hang cover (9) front side open be equipped with insert ring (16) assorted annular slot (10), insert ring (16) and preceding suspension cover (2) be the integration setting, insert ring (16) outer wall has sealed the pad through the adhesion of powerful glue.
5. The shaft waterproofing mechanism according to claim 1, wherein: and a rubber ring for sealing and water proofing is also fixedly adhered between the mounting sleeve (6) and the front suspension sleeve (2).
6. The shaft waterproofing mechanism according to claim 1, wherein: both sides all glue around waterproof nut (12) have the sealing washer of hollow setting, and the sealing washer that is located the waterproof nut front side hugs closely with back overhang cover (9) rear side, and the sealing washer that is located the waterproof nut rear side hugs closely with blade disc barrel (3) front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908387.9A CN108979657B (en) | 2018-08-10 | 2018-08-10 | Waterproof mechanism of axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908387.9A CN108979657B (en) | 2018-08-10 | 2018-08-10 | Waterproof mechanism of axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108979657A CN108979657A (en) | 2018-12-11 |
| CN108979657B true CN108979657B (en) | 2020-01-14 |
Family
ID=64555949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810908387.9A Active CN108979657B (en) | 2018-08-10 | 2018-08-10 | Waterproof mechanism of axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108979657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137241B (en) * | 2021-05-19 | 2022-10-18 | 安徽唐兴装备科技股份有限公司 | Locking type cutter head main shaft connecting structure of pipe-jacking tunneling machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1324619C (en) * | 1988-07-26 | 1993-11-23 | Kabushiki Kaisha Iseki Kaihatsu Koki | Shield tunneling machine with eccentricity accommodating seal structure |
| CN2685570Y (en) * | 2004-03-08 | 2005-03-16 | 广东省基础工程公司 | Pipe-jacking tunneller |
| CN201081015Y (en) * | 2007-08-17 | 2008-07-02 | 广州广重企业集团有限公司 | Disk-shaped knife seal device |
| CN202127318U (en) * | 2011-07-19 | 2012-01-25 | 北京三一电机系统有限责任公司 | Motor and sealing device thereof |
| CN202580019U (en) * | 2011-11-30 | 2012-12-05 | 广州广船国际股份有限公司 | Main shaft sealing structure of heading device |
-
2018
- 2018-08-10 CN CN201810908387.9A patent/CN108979657B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108979657A (en) | 2018-12-11 |
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Effective date of registration: 20191218 Address after: 225800 Hexiang Road West, Baoying Economic Development Zone, Yangzhou City, Jiangsu Province Applicant after: Jiangsu xinrunhui Technology Co., Ltd Address before: 232121 Incubation Park, Fengtai Economic Development Zone, Huainan City, Huainan City, Anhui Province Applicant before: Huainan Zhongtai mining equipment manufacturing Co., Ltd. |
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