CN107152463B - Bearing separation type grouting bearing packing device - Google Patents
Bearing separation type grouting bearing packing device Download PDFInfo
- Publication number
- CN107152463B CN107152463B CN201710496956.9A CN201710496956A CN107152463B CN 107152463 B CN107152463 B CN 107152463B CN 201710496956 A CN201710496956 A CN 201710496956A CN 107152463 B CN107152463 B CN 107152463B
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- CN
- China
- Prior art keywords
- bearing
- sealing
- mounting seat
- ring
- grouting
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a bearing separation type grouting bearing packaging device which comprises a connecting shaft, wherein the connecting shaft is fixedly arranged in a self-aligning bearing in a penetrating manner, the self-aligning bearing is assembled in a bearing mounting seat and is arranged in a sealing cavity formed by the self-aligning bearing and the bearing mounting seat, and a grease nipple for injecting lubricating grease into the sealing cavity is arranged on the bearing mounting seat; the part of the connecting shaft, which is positioned at the inner side of the positioning ferrule, is sequentially and fixedly provided with a sealing ring and a labyrinth ring, the mounting seat body is sleeved outside the part of the connecting shaft, which is provided with the sealing ring, the inner side surface of the mounting seat body is provided with a sealing mounting seat, and the sealing mounting seat is fixedly provided with a lip-shaped sealing ring which can rotate relatively with the sealing ring and is in sealing connection with the sealing ring; the labyrinth ring and one end surface of the mounting seat body far away from the bearing mounting seat form labyrinth seal. When the lip-shaped sealing ring of the bearing separation type grouting bearing device is damaged, leaked slurry can be discharged at the observation port and does not enter the bearing cavity, so that the protection of the aligning bearing is realized, the service life of the aligning bearing is prolonged, and the working stability of the whole grouting stirring system is enhanced.
Description
Technical Field
The invention belongs to the technical field of synchronous grouting of shield machines, and particularly relates to a bearing separation type grouting bearing packing device.
Background
The grouting bearing is a core structure of a stirring device of a grouting system of the shield machine, and under the condition that the device continuously rotates, slurry conveyed from the well is continuously and uniformly stirred in a grouting box until the slurry is completely conveyed to the back of a duct piece in a tunnel by a grouting pump, and the space at the rear part of the duct piece is filled, so that the aims of preventing ground subsidence and tunnel water seepage are fulfilled.
The bearing package device used by the current shield machine grouting system has the following characteristics: the sealing performance and the reliability of the bearing in the grouting bearing package are mainly guaranteed by virtue of the lip-shaped sealing ring in the bearing package, namely, the bearing is closely adjacent to the lip-shaped sealing ring, when slurry is continuously stirred in the grouting box body, a sealing cavity formed by two or three lip-shaped sealing rings is filled with sealing grease, meanwhile, the grease is continuously extruded to the slurry direction under the pressure effect of a grease pump, and finally, the innermost sealing ring is extruded into the slurry and enters the back of a duct piece along with the slurry, so that the purpose of protecting the bearing is realized, the service life of the device is prolonged, and the downtime is reduced.
The above-described prior devices have the following disadvantages: when the sealing washer wearing and tearing are serious, ageing loses sealed effect or relevant structure damage, thick liquid gets into the bearing cavity inside, causes the rapid wear of bearing, makes the life of bearing seriously decline, and then makes slip casting (mixing) shaft slope, slip casting stirring vane and bottom of the case contact when the slope is serious, seriously rubs the box, leads to the box to grind, thick liquid to reveal, this greatly reduced grouting system's job stabilization nature, simultaneously because the restriction of construction condition in the pit, need spend a large amount of efforts and time to the processing of this kind of problem, also caused certain influence to the construction progress.
Disclosure of Invention
In order to overcome the defects, the invention provides the bearing separation type grouting bearing device, which can effectively prevent slurry from entering a bearing cavity, improve the use stability of a bearing, reduce the shutdown maintenance time of a grouting system and prolong the service life of the grouting bearing device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a bearing separation type slip casting bearing package device, includes the connecting axle, and the one end of this connecting axle is fixed connection with the slip casting (mixing) shaft of shield constructs the machine, and the other end is fixed wears to locate in the aligning bearing, still is equipped with mounting seat body and the bearing mount pad of fixed connection with the slip casting box of shield constructs the machine, the cross-section of bearing mount pad is the U type and overlaps and locate outside the other end tip of connecting axle, the connecting axle is located the inboard fixed positioning collar that is equipped with of inner port of bearing mount pad, positioning collar and the inner of bearing mount pad can relative rotation and sealing connection, aligning bearing assemble in the bearing mount pad and place in the bearing mount pad with the sealing chamber that positioning collar forms, be equipped with on the bearing mount pad and be used for to the lubricating nipple of filling grease in the sealing chamber; the part of the connecting shaft, which is positioned at the inner side of the positioning ferrule, is sequentially and fixedly provided with a sealing ring and a labyrinth ring, the mounting seat body is sleeved outside the part of the connecting shaft, which is provided with the sealing ring, the part of the mounting seat body, which corresponds to the inner side surface of the sealing ring, is provided with a sealing mounting seat, and the sealing mounting seat is fixedly provided with a lip-shaped sealing ring which can rotate relatively with the sealing ring and is in sealing connection with the sealing ring; and one end surface of the labyrinth ring, which is far away from the bearing mounting seat, of the mounting seat body is provided with labyrinth sealing.
As a further improvement of the invention, an end cover is arranged on one end surface of the mounting seat body, which is close to the bearing mounting seat, a groove is formed on the part, corresponding to the inner side surface of the sealing ring, of the mounting seat body, the sealing mounting seat is fixed in one end, far away from the end cover, of the groove, the lip-shaped sealing ring is fixed on the sealing mounting seat through a sealing compression ring, and the sealing locking ring is fixed in one end, close to the end cover, of the groove.
As a further improvement of the invention, the positioning sleeve ring is provided with a sealing groove, a felt sealing ring is arranged in the sealing groove, and the positioning sleeve ring can rotate relatively and is in sealing connection with the inner end of the bearing mounting seat through the felt sealing ring.
As a further improvement of the invention, the outer circumferences of the mounting seat body and the bearing mounting seat are provided with slurry leakage observation pieces, the slurry leakage observation pieces are provided with slurry leakage observation openings, the outer ends of the slurry leakage observation pieces are fixedly connected with the outer side surfaces of the inner ends of the bearing mounting seat, and the inner ends of the slurry leakage observation pieces are matched with the mounting seat body and are fixedly connected with the grouting box body of the shield machine.
As a further improvement of the invention, O-shaped ring grooves are respectively processed on the inner side surfaces of the positioning ferrule and the sealing ring, which are close to the connecting shaft, and O-shaped rings are arranged in the O-shaped ring grooves.
As a further improvement of the invention, the mounting seat body is provided with a through hole and is fixedly connected with the grouting box body of the shield machine through bolts.
As a further improvement of the invention, felt seals are arranged on the sealing compression ring, and the lip-shaped sealing rings are three lip-shaped sealing rings.
The beneficial effects of the invention are as follows: according to the bearing separation type grouting bearing packaging device, the lip-shaped sealing cavity is isolated from the aligning bearing, when the lip-shaped sealing ring is worn or damaged, slurry cannot leak into the bearing cavity, so that the service life of the bearing is prolonged, and the shutdown maintenance time and frequency are reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
The following description is made with reference to the accompanying drawings:
1-a connecting shaft; 2-mounting a seat body; 3-labyrinth ring; 4-cover plate; 5-sealing a compression ring; 6-sealing a locking ring; 7-sealing the mounting seat; 8-positioning a ferrule; 9-a sealing ring; 10-felt sealing rings; 11-a slurry leakage observation piece; 12-a bearing mount; 13-lip seal ring; 14-aligning the bearing; 15-grease nipple.
Detailed Description
A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. The scope of the invention is not limited to the following examples, but is intended to be limited only by the appended claims and the equivalents and modifications thereof, which fall within the scope of the invention.
Referring to fig. 1, a bearing separation type grouting bearing packing device according to the present invention includes: the sealing device comprises a connecting shaft 1, a mounting seat 2, a labyrinth ring 3, a cover plate 4, a sealing compression ring 5, a sealing locking ring 6, a sealing mounting seat 7, a positioning ferrule 8, a sealing ring 9, a felt seal 10, a slurry leakage observation port 11, a bearing mounting seat 12, a lip-shaped sealing ring 13 and a aligning bearing 14.
One end of the connecting shaft 1 is welded with the grouting stirring shaft, the other end of the connecting shaft is matched with the aligning bearing 14, under the action of grouting driving, the connecting shaft 1 rotates along with the grouting stirring shaft, the labyrinth ring 3, the positioning ring 8 and the sealing ring 9 are installed on the connecting shaft 1, the labyrinth ring 3 and the sealing ring 9 rotate along with the connecting shaft 1 by virtue of the matching relation, the positioning ring 8 is fixed on the connecting shaft 1 by virtue of positioning screws, a sealing groove is machined on the positioning ring 8, a felt seal 10 is installed in the groove, the felt seal plays a role of preventing external impurities from entering a bearing cavity, O-shaped ring grooves are machined on the positioning ring 8 and the sealing ring 9, and O-shaped rings are installed in the grooves so as to prevent slurry from leaking or entering the inside of the bearing cavity through the matching clearance.
The mounting seat 2 is provided with a through hole, and is connected with the grouting box body by a bolt, and one end face of the mounting seat 2 and the labyrinth ring 3 form labyrinth seal, so that the sealing performance of the device is improved; meanwhile, a sealing compression ring 5, a sealing locking ring 6 and a sealing installation seat 7 are further assembled on the installation seat 2, the sealing installation seat mainly plays a role of installing a lip-shaped sealing ring 13, the sealing compression ring 5 is tightly pressed on the end face of each lip-shaped sealing ring, a felt seal is installed on the sealing compression ring 6 to prevent external impurities from entering the lip-shaped sealing ring 13 to cause abrasion or damage of sealing, a cover plate 4 is assembled at the other end of the installation seat 2, the cover plate 4 is connected through bolts, after the cover plate 4 is completely installed, the lip-shaped sealing ring 13 is tightly pressed under the action of the sealing locking ring 6, and when the connecting shaft 1 rotates, the installation seat 2, the cover plate 4, the sealing compression ring 5, the sealing locking ring 6, the sealing installation seat 7 and the lip-shaped sealing ring 13 are all kept static, so that the sealing function is realized; simultaneously, the three lip-shaped sealing rings form two sealing cavities, pressure grease is injected into the cavities, and when the device works, the grease is continuously extruded from the sealing cavities and finally extruded into slurry, and is pumped to the back of the duct piece along with the slurry, so that the anti-leakage sealing performance of the device is realized.
The leakage observation piece 11 on be equipped with the leakage observation mouth, utilize the bolt to install on the slip casting box to with mount pad 2 cooperation location, the tang external diameter on the bearing mount pad 12 cooperates with the hole of leakage observation piece 11, and utilizes the bolt to connect, install aligning bearing 14 and grease nipple in bearing mount pad 12, form the bearing seal chamber under the effect of location lasso 8 and felt seal 10, can pour into lubricating grease into the seal chamber through the grease nipple, play the lubrication effect to aligning bearing.
Therefore, when the lip-shaped sealing ring 13 is damaged, leaked slurry can be discharged at the observation port and does not enter the bearing cavity, so that the protection of the aligning bearing 14 is realized, the service life of the aligning bearing is prolonged, and the working stability of the whole grouting stirring system is enhanced.
Claims (7)
1. The utility model provides a bearing separation formula slip casting bearing package device, includes connecting axle (1), the one end of this connecting axle and the slip casting (mixing) shaft fixed connection of shield constructs the machine, and in the other end was fixed wears to locate aligning bearing (14), its characterized in that: the automatic lubrication device is characterized by further comprising an installation seat body (2) and a bearing installation seat (12) which are fixedly connected with a grouting box body of the shield machine, wherein the cross section of the bearing installation seat is U-shaped and sleeved outside the end part of the other end of the connecting shaft, the connecting shaft is positioned inside an inner port of the bearing installation seat and is fixedly provided with a positioning ferrule (8), the positioning ferrule and the inner end of the bearing installation seat can relatively rotate and are in sealing connection, a self-aligning bearing is assembled in the bearing installation seat and is arranged in a sealing cavity formed by the bearing installation seat and the positioning ferrule, and a grease nipple (15) for injecting lubricating grease into the sealing cavity is arranged on the bearing installation seat; the part of the connecting shaft, which is positioned at the inner side of the positioning ferrule, is sequentially and fixedly provided with a sealing ring (9) and a labyrinth ring (3), the installation seat body is sleeved outside the part of the connecting shaft, which is provided with the sealing ring, the part of the installation seat body, which corresponds to the inner side surface of the sealing ring, is provided with a sealing installation seat (7), and a lip-shaped sealing ring (13) is fixed on the sealing installation seat and can rotate relatively with the sealing ring in a sealing way; and one end surface of the labyrinth ring, which is far away from the bearing mounting seat, of the mounting seat body is provided with labyrinth sealing.
2. The bearing separation type grouting bearing packing device according to claim 1, wherein: an end cover (4) is arranged on one end face, close to the bearing mounting seat, of the mounting seat body, a groove is formed in the part, corresponding to the inner side face of the sealing ring, of the mounting seat body, the sealing mounting seat (7) is fixed in the end, far away from the end cover, of the groove, the lip-shaped sealing ring is fixed on the sealing mounting seat (7) through a sealing compression ring (5), and the sealing locking ring is fixed in the end, close to the end cover, of the groove.
3. The bearing separation type grouting bearing packing device according to claim 1, wherein: the positioning sleeve ring is provided with a sealing groove, a felt sealing ring (10) is arranged in the sealing groove, and the positioning sleeve ring can rotate relatively and is in sealing connection with the inner end of the bearing mounting seat through the felt sealing ring (10).
4. The bearing separation type grouting bearing packing device according to claim 1, wherein: the grouting device comprises a mounting seat body and a bearing mounting seat, wherein a grouting observation piece (11) is arranged on the periphery of the mounting seat body and the periphery of the bearing mounting seat, a grouting observation port is formed in the grouting observation piece, the outer end of the grouting observation piece is fixedly connected with the outer side face of the inner end of the bearing mounting seat, and the inner end of the grouting observation piece is matched with the mounting seat body and fixedly connected with a grouting box body of a shield machine.
5. The bearing separation type grouting bearing packing device according to claim 1, wherein: o-shaped ring grooves are respectively machined in the inner side surfaces, close to the connecting shaft, of the positioning ferrule and the sealing ring, and O-shaped rings are arranged in the O-shaped ring grooves.
6. The bearing separation type grouting bearing packing device according to claim 1, wherein: and the mounting seat body is provided with a through hole and is fixedly connected with a grouting box body of the shield machine through bolts.
7. The bearing separation type grouting bearing packing device according to claim 1, wherein: the sealing compression ring is provided with felt seals, and the lip-shaped sealing rings are three lip-shaped sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496956.9A CN107152463B (en) | 2017-06-26 | 2017-06-26 | Bearing separation type grouting bearing packing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496956.9A CN107152463B (en) | 2017-06-26 | 2017-06-26 | Bearing separation type grouting bearing packing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152463A CN107152463A (en) | 2017-09-12 |
| CN107152463B true CN107152463B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710496956.9A Active CN107152463B (en) | 2017-06-26 | 2017-06-26 | Bearing separation type grouting bearing packing device |
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| CN (1) | CN107152463B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131387A (en) * | 2018-02-07 | 2018-06-08 | 徐工集团凯宫重工南京有限公司 | A kind of compound seal shield machine slip casting bearing packet |
| CN109268505A (en) * | 2018-12-05 | 2019-01-25 | 飞翼股份有限公司 | A kind of sealing structure of shaft end of crude tailings Paste mixer |
| CN111219074A (en) * | 2020-03-10 | 2020-06-02 | 海南卓典高科技开发有限公司 | Grouting device and grouting machine |
| CN115228255B (en) * | 2022-08-04 | 2023-09-15 | 安徽雨辰机电制造有限公司 | Side-entering stirrer sealing device |
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| US20050146096A1 (en) * | 2004-01-02 | 2005-07-07 | Swisher James A. | Trunnion assembly |
| CN101280847A (en) * | 2007-12-24 | 2008-10-08 | 沈阳重型机械集团有限责任公司 | Main bearing multi-layer sealing structure of complete section tunnel boring machine |
| CN102335962A (en) * | 2011-09-30 | 2012-02-01 | 永济新时速电机电器有限责任公司 | Novel mortar truck with sealing structure |
| CN202273996U (en) * | 2011-10-21 | 2012-06-13 | 宝鸡恒通隧道设备有限公司 | Novel bearing seal structure for mortar truck |
| CN104019137A (en) * | 2014-06-20 | 2014-09-03 | 北方重工集团有限公司 | Bottom bearing sealing device for sand conveyor shaft |
| WO2016124021A1 (en) * | 2015-02-02 | 2016-08-11 | 江苏鹏飞集团股份有限公司 | Stationary sealing plate, movable sealing plate, and labyrinth sealing apparatus of shaking apparatus for use in dusty environment |
| CN106401593A (en) * | 2016-11-21 | 2017-02-15 | 中车兰州机车有限公司 | Mortar trolley |
| CN206106089U (en) * | 2016-08-31 | 2017-04-19 | 中铁机械装备研究设计院(成都)有限公司 | End face seal structure suitable for horizontal (mixing) shaft of mortar tank |
| CN207018367U (en) * | 2017-06-26 | 2018-02-16 | 江苏凯宫隧道机械有限公司 | Bearing divergence type slip casting bearing package is put |
-
2017
- 2017-06-26 CN CN201710496956.9A patent/CN107152463B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050146096A1 (en) * | 2004-01-02 | 2005-07-07 | Swisher James A. | Trunnion assembly |
| CN101280847A (en) * | 2007-12-24 | 2008-10-08 | 沈阳重型机械集团有限责任公司 | Main bearing multi-layer sealing structure of complete section tunnel boring machine |
| CN102335962A (en) * | 2011-09-30 | 2012-02-01 | 永济新时速电机电器有限责任公司 | Novel mortar truck with sealing structure |
| CN202273996U (en) * | 2011-10-21 | 2012-06-13 | 宝鸡恒通隧道设备有限公司 | Novel bearing seal structure for mortar truck |
| CN104019137A (en) * | 2014-06-20 | 2014-09-03 | 北方重工集团有限公司 | Bottom bearing sealing device for sand conveyor shaft |
| WO2016124021A1 (en) * | 2015-02-02 | 2016-08-11 | 江苏鹏飞集团股份有限公司 | Stationary sealing plate, movable sealing plate, and labyrinth sealing apparatus of shaking apparatus for use in dusty environment |
| CN206106089U (en) * | 2016-08-31 | 2017-04-19 | 中铁机械装备研究设计院(成都)有限公司 | End face seal structure suitable for horizontal (mixing) shaft of mortar tank |
| CN106401593A (en) * | 2016-11-21 | 2017-02-15 | 中车兰州机车有限公司 | Mortar trolley |
| CN207018367U (en) * | 2017-06-26 | 2018-02-16 | 江苏凯宫隧道机械有限公司 | Bearing divergence type slip casting bearing package is put |
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| CN107152463A (en) | 2017-09-12 |
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