CN109099048B - Main shaft of pipe-jacking tunneling machine - Google Patents
Main shaft of pipe-jacking tunneling machine Download PDFInfo
- Publication number
- CN109099048B CN109099048B CN201810907846.1A CN201810907846A CN109099048B CN 109099048 B CN109099048 B CN 109099048B CN 201810907846 A CN201810907846 A CN 201810907846A CN 109099048 B CN109099048 B CN 109099048B
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- China
- Prior art keywords
- bearing
- shaft body
- sealing
- wall
- main shaft
- 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.)
- Expired - Fee Related
Links
- 230000005641 tunneling Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 34
- 239000010439 graphite Substances 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims description 14
- 229920001973 fluoroelastomer Polymers 0.000 claims description 8
- 229920001651 Cyanoacrylate Polymers 0.000 claims description 5
- 239000004830 Super Glue Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005461 lubrication Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- 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
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Ocean & Marine Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a main shaft of a pipe-jacking tunneling machine, which comprises a shaft body arranged horizontally, wherein the front end of the shaft body is connected with a cutter fixing head through fastening bolts arranged at equal intervals, the outer wall of the middle of the shaft body is uniformly provided with a driving big gear, the front side of the shaft body is connected with a graphite oilless bearing, the front side of the shaft body is also provided with bearing sealing covers in pairs for clamping the graphite oilless bearing, the outer walls of the bearing sealing covers are connected with bearing positioning sleeves arranged in an annular manner, the shaft body is provided with the step platform, the front side of the shaft body is connected with the graphite oilless bearing, the shaft body can achieve good lubrication between the main shaft and the bearing positioning sleeve through the graphite oilless bearing, and can play a role of sealing the graphite oilless bearing through the arrangement of the bearing sealing cover, thereby can reduce the pollutant and get into the interior effect of rotating of influence of graphite oilless bearing, can play the effect of location to graphite oilless bearing through setting up of bearing position sleeve.
Description
Technical Field
The invention relates to the technical field of main shafts of pipe-jacking tunneling machines, in particular to a main shaft of a pipe-jacking tunneling machine.
Background
The pipe-jacking tunneling machine is an effective tool for excavating pipelines and tunnels by an underground excavation type construction method, and a main shaft mechanism of the pipe-jacking tunneling machine is a power output mechanism for driving a front end cutter head to rotate. However, in the tube push bench used in the prior art, a buffering and damping structure is lacked between the main shaft and the cutter fixing head, so that the sealing effect between the main shaft and the cutter fixing head is easily reduced, water is easily introduced to damage the main shaft, and therefore, improvement treatment is needed.
Disclosure of Invention
The invention aims to provide a main shaft of a pipe-jacking tunneling machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a push pipe entry driving machine main shaft, axis body including the level setting, the axis body front end is equipped with the cutter fixed head, the outer wall evenly is provided with the drive gear wheel in the middle of the axis body, the axis body front side is connected with graphite oilless bearing, the axis body front side still is equipped with the sealed lid of bearing that is used for joint graphite oilless bearing in pairs, the sealed external wall connection of lid of bearing has the bearing position sleeve that "cyclic annular" set up, be provided with the stair platform on the axis body, axis body outer wall connection has the thrust bearing who is located stair platform front step face, the axis body outer wall still is connected with the clearance bearing who is located stair platform back step face, the axis body rear side still is equipped with the bearing location lid, the oil filler point has all.
Preferably, the front end of the bearing positioning sleeve is further annularly provided with an installation bulge, the rear end of the cutter fixing head is provided with an annular slot matched with the installation bulge, fluororubber is adhered between the bottom in the front end of the installation bulge and the annular slot, and a check ring located at the rear end of the bearing positioning sleeve is further arranged on the shaft body.
Preferably, the thrust bearing inner ring is further provided with an annular groove, and the annular groove is fixedly sealed by a super glue to form an O-shaped sealing ring tightly attached to the shaft body.
Preferably, the inner wall of the cutter fixing head is further equidistantly provided with a sealing groove which is annularly arranged, and a sealing ring tightly attached to the shaft body is fixed in the sealing groove in a sealing manner through a super glue.
Preferably, the outer wall of the shaft body is further provided with a bearing sealing sleeve positioned on the outer wall of the thrust bearing and the outer wall of the clearance bearing, and the inner wall of the bearing sealing sleeve is fixedly connected with the step platform.
Preferably, the shaft body penetrates through the bearing sealing cover and the bearing positioning cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the axis body front side is connected with graphite oilless bearing, reach good lubrication between main shaft and the bearing position sleeve that makes through graphite oilless bearing, the axis body front side still is equipped with the bearing seal lid that is used for joint graphite oilless bearing in pairs, can play sealed graphite oilless bearing's effect through the setting of bearing seal lid, thereby can reduce the pollutant and get into graphite oilless bearing in the influence rotation effect, bearing seal lid outer wall connection has the bearing position sleeve of "cyclic annular" setting, setting through the bearing position sleeve can play the effect of location to graphite oilless bearing, and bearing position sleeve front end still the annular be provided with the installation arch, and cutter fixed head rear end sets up assorted annular slot with it, it has fluororubber to glue between the bottom in installation arch front end and the annular slot, still be provided with the retaining ring that is located bearing position sleeve rear end on the axis body, can peg graft fixedly with the cutter fixed head with the reduction through the setting of installation arch and annular slot and fix the axis body A gap is reserved, and a buffering and damping function can be achieved through the arrangement of the fluororubber, so that the relation between the bearing positioning sleeve and the cutter fixing head can be stabilized, the sealing effect is maintained, the probability of sewage permeating into the main shaft is reduced, the graphite oilless bearing can be prevented from being deviated in the jacking excavation process, and the position of the bearing positioning sleeve can be further limited through the arrangement of the check ring;
2. can carry out the joint with back clearance bearing through bearing location lid and seal, the oil filler point has all been seted up on the bearing location lid, setting up through the oil filler point can carry out the oiling to clearance bearing, maintain its lubricated effect, reduce the running resistance, and the axis body outer wall still is equipped with the bearing seal cover that is located thrust bearing and clearance bearing outer wall, bearing seal cover inner wall links to each other with the ladder platform is fixed, can cover thrust bearing and clearance bearing and ladder platform through the bearing seal cover, thereby effectively protect the leakproofness of axis body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 of the present invention;
FIG. 3 is a partial schematic view of the present invention shown in FIG. 1.
In the figure: the device comprises a shaft body 1, a cutter fixing head 2, a driving large gear 3, a graphite oilless bearing 4, a bearing sealing cover 5, a bearing positioning sleeve 6, a step table 7, a thrust bearing 8, a clearance bearing 9, a bearing positioning cover 10, an installation bulge 11, fluororubber 12, a retainer ring 13, an O-shaped sealing ring 14, a sealing ring 15 and a bearing sealing sleeve 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 main shaft of a pipe-jacking tunneling machine comprises a shaft body 1 which is horizontally arranged, wherein a cutter fixing head 2 is arranged at the front end of the shaft body 1, so that the cutter fixing head 2 can be easily detached and installed, a driving gear wheel 3 is uniformly arranged on the middle outer wall of the shaft body 1, the number of the driving gear wheels 3 is four, and the driving gear wheels are respectively driven by four different motors, a graphite oilless bearing 4 is connected to the front side of the shaft body 1, good lubrication is achieved between the main shaft 1 and a bearing positioning sleeve 6 which are enabled to be connected through the graphite oilless bearing 4, a bearing sealing cover 5 used for clamping the graphite oilless bearing 4 is further arranged on the front side of the shaft body 1 in pairs, the effect of sealing the graphite oilless bearing 4 can be achieved through the arrangement of the bearing sealing cover 5, the influence rotating effect in the graphite oilless bearing 4 can be reduced, and the outer wall of, can play the effect of location to graphite oilless bearing 4 through setting up of bearing position sleeve 6, be provided with step platform 7 on the axis body 1, 1 outer wall connection of axis body has the thrust bearing 8 that is located step platform 7 front step face, 1 outer wall of axis body still is connected with the clearance bearing 9 that is located step platform 7 back step face, 1 rear side of axis body still is equipped with bearing location lid 10, can carry out the joint with back clearance bearing 9 through bearing location lid 10 and seal, the oil filler point has all been seted up on bearing location lid 10, can carry out the oiling to clearance bearing 9 through the setting of oil filler point, maintains its lubricated effect, reduces the running resistance.
It is specific, 6 front ends of bearing position sleeve still the annular be provided with installation arch 11, just 2 rear ends of cutter fixed head are seted up with the protruding 11 assorted annular slots of installation, it has fluororubber 12 to glue between the bottom in the protruding 11 front ends of installation and the annular slot, still be provided with the retaining ring 13 that is located 6 rear ends of bearing position sleeve on the axis body 1, can peg graft fixedly with the cutter fixed head 2 with the axis body 1 through the setting of installation arch 11 and annular slot and reserve the clearance in order to reduce, can play a buffer function through the setting of fluororubber 12 to not only can stabilize the relation between bearing position sleeve 6 and the cutter fixed head 2, also can prevent that graphite oil free bearing 4 from advancing the excavation in-process and producing the skew in the top, can further inject the position of bearing position sleeve 6 through the setting of retaining ring 13.
Specifically, an annular groove is further formed in the inner ring of the thrust bearing 8, an O-shaped sealing ring 14 tightly attached to the shaft body 1 is fixed to the annular groove in a sealing mode through super glue, and the working stability of the thrust bearing 8 can be improved through the mutual matching of the annular groove and the O-shaped sealing ring 14.
Specifically, the seal groove that the annular set up is seted up to 2 inner walls of cutter fixed head still equidistance, just through the sealed sealing ring 15 that is fixed with through the powerful glue and hugs closely in axis body 1 in the seal groove, can further increase the steadiness of position between cutter fixed head 2 and the axis body 1 through setting up of seal groove and sealing ring 15, also can reduce the deflection that cutter fixed head 2 and axis body 1 junction produced.
Specifically, the outer wall of the shaft body 1 is further provided with a bearing sealing sleeve 16 located on the outer wall of the thrust bearing 8 and the outer wall of the clearance bearing 9, the inner wall of the bearing sealing sleeve 16 is fixedly connected with the step platform 7, and the thrust bearing 8, the clearance bearing 9 and the step platform 7 can be covered through the bearing sealing sleeve 16, so that the sealing performance of the shaft body 1 is effectively protected.
Specifically, the axis body 1 runs through the bearing seal lid 5 and the bearing location lid 10 setting, can protect for graphite oilless bearing 4 and clearance bearing 9 respectively through bearing seal lid 5 and bearing location lid 10.
The working principle is as follows: the invention relates to a main shaft of a pipe-jacking tunneling machine, wherein the front side of a shaft body 1 is connected with a graphite oilless bearing 4, good lubrication is achieved between the main shaft 1 and a bearing positioning sleeve 6 through the graphite oilless bearing 4, the front side of the shaft body 1 is also provided with bearing sealing covers 5 used for clamping the graphite oilless bearing 4 in pairs, the effect of sealing the graphite oilless bearing 4 can be achieved through the arrangement of the bearing sealing covers 5, so that the influence on the rotation effect caused by the entering of pollutants into the graphite oilless bearing 4 can be reduced, the outer wall of each bearing sealing cover 5 is connected with the bearing positioning sleeve 6 in an annular arrangement, the graphite oilless bearing 4 can be positioned through the arrangement of the bearing positioning sleeve 6, the front end of each bearing positioning sleeve 6 is also provided with an annular mounting bulge 11, the rear end of a cutter fixing head 2 is provided with an annular slot matched with the cutter fixing head, fluorine rubber 12 is bonded between, the shaft body 1 is also provided with a check ring 13 positioned at the rear end of the bearing positioning sleeve 6, the shaft body 1 and the cutter fixing head 2 can be fixedly spliced through the arrangement of the mounting protrusion 11 and the annular slot to reduce a reserved gap, and a buffer function can be achieved through the arrangement of the fluororubber 12, so that the relation between the bearing positioning sleeve 6 and the cutter fixing head 2 can be stabilized, the graphite oilless bearing 4 can be prevented from being deviated in the jacking excavation process, and the position of the bearing positioning sleeve 6 can be further limited through the arrangement of the check ring 13; can carry out the joint with back clearance bearing 9 through bearing location lid 10 and seal, the oil filler point has all been seted up on the bearing location lid 10, setting through the oil filler point can carry out the oiling to clearance bearing 9, maintain its lubricated effect, reduce the running resistance, and 1 outer wall of axis body still is equipped with the bearing seal cover 16 that is located thrust bearing 8 and clearance bearing 9 outer wall, 16 inner walls of bearing seal cover are fixed continuous with step platform 7, can cover thrust bearing 8 and clearance bearing 9 and step platform 7 through bearing seal cover 16, thereby effectively protect the leakproofness of axis body 1.
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 a push pipe entry driving machine main shaft, includes axis body (1) that the level set up, its characterized in that: the front end of the shaft body (1) is provided with a cutter fixing head (2), the outer wall of the middle of the shaft body (1) is uniformly provided with a driving big gear (3), the front side of the shaft body (1) is connected with a graphite oilless bearing (4), the front side of the shaft body (1) is also provided with bearing sealing covers (5) which are used for clamping the graphite oilless bearing (4) in pairs, the outer wall of the bearing sealing cover (5) is connected with a bearing positioning sleeve (6) which is arranged in an annular shape, a step platform (7) is arranged on the shaft body (1), the outer wall of the shaft body (1) is connected with a thrust bearing (8) positioned on the front step surface of the step platform (7), the outer wall of the shaft body (1) is also connected with a clearance bearing (9) positioned on the rear step surface of the step platform (7), the rear side of the shaft body (1) is further provided with a bearing positioning cover (10), and oil holes are formed in the bearing positioning cover (10).
2. The main shaft of a pipe-jacking tunneling machine according to claim 1, characterized in that: bearing position sleeve (6) front end still the annular be provided with installation arch (11), just cutter fixed head (2) rear end seted up with installation arch (11) assorted annular slot, it has fluororubber (12) to bond between the bottom in installation arch (11) front end and the annular slot, still be provided with retaining ring (13) that are located bearing position sleeve (6) rear end on axis body (1).
3. The main shaft of a pipe-jacking tunneling machine according to claim 1, characterized in that: an annular groove is further formed in the inner ring of the thrust bearing (8), and an O-shaped sealing ring (14) tightly attached to the shaft body (1) is fixed in the annular groove in a sealing mode through super glue.
4. The main shaft of a pipe-jacking tunneling machine according to claim 1, characterized in that: the inner wall of the cutter fixing head (2) is equidistantly provided with a sealing groove which is annularly arranged, and a sealing ring (15) tightly attached to the shaft body (1) is fixed in the sealing groove in a sealing manner through a super glue.
5. The main shaft of a pipe-jacking tunneling machine according to claim 1, characterized in that: the outer wall of the shaft body (1) is further provided with a bearing sealing sleeve (16) located on the outer walls of the thrust bearing (8) and the clearance bearing (9), and the inner wall of the bearing sealing sleeve (16) is fixedly connected with the step platform (7).
6. The main shaft of a pipe-jacking tunneling machine according to claim 1, characterized in that: the shaft body (1) penetrates through the bearing sealing cover (5) and the bearing positioning cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907846.1A CN109099048B (en) | 2018-08-10 | 2018-08-10 | Main shaft of pipe-jacking tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907846.1A CN109099048B (en) | 2018-08-10 | 2018-08-10 | Main shaft of pipe-jacking tunneling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109099048A CN109099048A (en) | 2018-12-28 |
| CN109099048B true CN109099048B (en) | 2020-02-07 |
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ID=64849201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810907846.1A Expired - Fee Related CN109099048B (en) | 2018-08-10 | 2018-08-10 | Main shaft of pipe-jacking tunneling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109099048B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899974B (en) * | 2010-08-03 | 2012-02-08 | 三一重型装备有限公司 | Development machine and floating sealing device thereof |
| CN202597900U (en) * | 2012-06-04 | 2012-12-12 | 江苏银旭隧道机械有限公司 | Supporting structure of heading machine drive spindle |
| CN102691501B (en) * | 2012-06-14 | 2014-06-11 | 三一重型装备有限公司 | Tunneling machine and cutting part thereof |
| CN102767369A (en) * | 2012-08-17 | 2012-11-07 | 冯刚 | Cutting mechanism of heading machine |
| CN103244138B (en) * | 2013-05-18 | 2015-01-07 | 大连理工大学 | Design method of slidingly-supported disc-shaped hob of heading machine |
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2018
- 2018-08-10 CN CN201810907846.1A patent/CN109099048B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN109099048A (en) | 2018-12-28 |
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Effective date of registration: 20200109 Address after: 114000 No.3 Industrial Road, industrial park, Tai'an County, Anshan City, Liaoning Province Applicant after: Liaoning new Fuyuan Precision Manufacturing 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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