CN109099048A - Pipe jacking tunnelling machine main shaft - Google Patents

Pipe jacking tunnelling machine main shaft Download PDF

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Publication number
CN109099048A
CN109099048A CN201810907846.1A CN201810907846A CN109099048A CN 109099048 A CN109099048 A CN 109099048A CN 201810907846 A CN201810907846 A CN 201810907846A CN 109099048 A CN109099048 A CN 109099048A
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CN
China
Prior art keywords
bearing
axis body
wall
main shaft
setting
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.)
Granted
Application number
CN201810907846.1A
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Chinese (zh)
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CN109099048B (en
Inventor
甘红兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning New Fuyuan Precision Manufacturing Technology Co ltd
Original Assignee
Huainan Zhongtai Mining Equipment Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Huainan Zhongtai Mining Equipment Manufacturing Co Ltd filed Critical Huainan Zhongtai Mining Equipment Manufacturing Co Ltd
Priority to CN201810907846.1A priority Critical patent/CN109099048B/en
Publication of CN109099048A publication Critical patent/CN109099048A/en
Application granted granted Critical
Publication of CN109099048B publication Critical patent/CN109099048B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/02Shafts; Axles
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/74Sealings of sliding-contact bearings

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  • 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 kind of pipe jacking tunnelling machine main shafts, including horizontally disposed axis body, the axis body front end passes through the fastening bolt being placed equidistant with and is connected with cutter fixing head, outer wall is evenly arranged with drive gear wheel among the axis body, graphite oil-free bearing is connected on front side of the axis body, the bearing seal cover for being clamped graphite oil-free bearing is also equipped on front side of the axis body in pairs, the bearing seal cover outer wall is connected with the bearing positioning sleeve of " ring-type " setting, ladder platform is provided on the axis body, graphite oil-free bearing is connected on front side of axis body, reach good lubrication between the main shaft that the present invention is made by graphite oil-free bearing and bearing positioning sleeve, it can play the role of sealed graphite oilless bearing by the setting of bearing seal cover, entering in graphite oil-free bearing so as to reducing pollutant influences rotating effect, pass through setting for bearing positioning sleeve Set the effect that positioning can be played to graphite oil-free bearing.

Description

Pipe jacking tunnelling machine main shaft
Technical field
The present invention relates to pipe jacking tunnelling machine spindle technology field, specially a kind of pipe jacking tunnelling machine main shaft.
Background technique
Pipe jacking tunnelling machine is a kind of effective tool for removing to excavate pipeline and tunnel by tunneling formula construction method, and push pipe is dug Mainshaft mechanism into machine is the power take-off mechanism for driving front end cutterhead to rotate.But the push pipe in the prior art used Lack the structure of bumper and absorbing shock between its main shaft of machine and cutter fixing head, to be easily reduced close between main shaft and cutter fixing head Effect is sealed, and then is easy waterlogged damage main shaft, thus also improvement is needed to handle.
Summary of the invention
The purpose of the present invention is to provide a kind of pipe jacking tunnelling machine main shafts, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of pipe jacking tunnelling machine main shaft, including it is horizontally disposed Axis body, the axis body front end is equipped with cutter fixing head, and outer wall is evenly arranged with drive gear wheel, the axis among the axis body It is connected with graphite oil-free bearing on front side of body, is also equipped with the bearing seal for being clamped graphite oil-free bearing on front side of the axis body in pairs Lid, the bearing seal cover outer wall is connected with the bearing positioning sleeve of " ring-type " setting, is provided with ladder platform on the axis body, described Axis body outer wall is connected with the thrust bearing of the terrace before ladder platform, and the axis body outer wall is also connected with the terrace after ladder platform Gap bearing, the axis body rear end is additionally provided with bearing locating cover, offers oil filler point on the bearing locating cover.
Preferably, bearing positioning sleeve front end also annular is provided with installation protrusion, and cutter fixing head rear end is opened Equipped with the annular slot to match with installation protrusion, adhesion has fluorine rubber between bottom in the raised front end of the installation and annular slot Glue is additionally provided with the retaining ring positioned at bearing positioning sleeve rear end on the axis body.
Preferably, the thrust bearing inner ring is also provided with annular groove, and the annular groove is sealed by seccotine and fixed There are the O-ring seals for being tightly attached to axis body.
Preferably, the cutter fixing head inner wall also equidistantly offers the seal groove of annular setting, and in the seal groove The sealing ring for being tightly attached to axis body is fixed with by seccotine sealing.
Preferably, the axis body outer wall is additionally provided with the bearing seal cover positioned at thrust bearing and gap bearing outer wall, described Bearing seal cover inner wall is fixedly linked with ladder platform.
Preferably, the axis body rear and front end extends through bearing seal cover and the setting of bearing locating cover.
Compared with prior art, the beneficial effects of the present invention are:
1, it is connected with graphite oil-free bearing on front side of axis body, between the main shaft made by graphite oil-free bearing and bearing positioning sleeve Reach good lubrication, is also equipped with the bearing seal cover for being clamped graphite oil-free bearing on front side of axis body in pairs, it is close by bearing The setting of capping can play the role of sealed graphite oilless bearing, enter shadow in graphite oil-free bearing so as to reduce pollutant Rotating effect is rung, bearing seal cover outer wall is connected with the bearing positioning sleeve of " ring-type " setting, passes through the setting energy of bearing positioning sleeve Enough effects that positioning is played to graphite oil-free bearing, and bearing positioning sleeve front end also annular is provided with installation protrusion, and cutter is solid Determine head rear end and offer matched annular slot, adhesion has fluorine rubber between bottom in the raised front end of installation and annular slot Glue is additionally provided with the retaining ring positioned at bearing positioning sleeve rear end on axis body, can will by the setting of installation protrusion and annular slot Axis body and cutter fixing head are plugged and fixed to reduce preset clearance, can be played a buffering by the setting of fluorubber and be subtracted Function is shaken, so that the relationship between bearing positioning sleeve and cutter fixing head can not only be consolidated, sealing effect is maintained, reduces sewage The probability in main shaft is penetrated into, can also prevent graphite oil-free bearing from generating offset in jacking digging process, pass through setting for retaining ring The position of bearing positioning sleeve can be further limited by setting;
2, post gap bearing can be carried out by clamping sealing by bearing locating cover, offers oiling on bearing locating cover Hole can carry out oiling to gap bearing by the setting of oil filler point, maintain its lubricant effect, reduce running resistance, and axis body Outer wall is additionally provided with the bearing seal cover positioned at thrust bearing and gap bearing outer wall, bearing seal cover inner wall and ladder platform stationary phase Even, thrust bearing and gap bearing and ladder platform can be covered by bearing seal cover, thus effective protection axis body Leakproofness.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is one of the part in structure of the invention Fig. 1 enlarged diagram;
Fig. 3 is two schematic diagrames of the part in structure of the invention Fig. 1.
In figure: 1 axis body, 2 cutter fixing heads, 3 drive gear wheels, 4 graphite oil-free bearings, 5 bearing seal covers, 6 bearings are fixed Position set, 7 ladder platforms, 8 thrust bearings, 9 gap bearings, 10 bearing locating covers, 11 installation protrusions, 12 fluorubber, 13 retaining rings, 14O Shape sealing ring, 15 sealing rings, 16 bearing seal covers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of pipe jacking tunnelling machine main shaft, including it is horizontally disposed Axis body 1,1 front end of axis body is equipped with cutter fixing head 2, so that cutter fixing head 2 is readily disassembled installation, the axis The intermediate outer wall of body 1 is evenly arranged with drive gear wheel 3, and the quantity of drive gear wheel 3 is set as four, and respectively by four differences Motor driven, be connected with graphite oil-free bearing 4 on front side of the axis body 1, the main shaft 1 made by graphite oil-free bearing 4 with Reach good lubrication between bearing positioning sleeve 6, is also equipped in pairs for being clamped graphite oil-free bearing 4 on front side of the axis body 1 Bearing seal cover 5 can play the role of sealed graphite oilless bearing 4 by the setting of bearing seal cover 5, so as to reduce dirt Dye object, which enters, influences rotating effect in graphite oil-free bearing 4,5 outer wall of bearing seal cover is connected with the bearing of " ring-type " setting Positioning sleeve 6 can be played the effect of positioning to graphite oil-free bearing 4 by the setting of bearing positioning sleeve 6, be set on the axis body 1 It is equipped with ladder platform 7,1 outer wall of axis body is connected with the thrust bearing 8 of the terrace before ladder platform 7, and 1 outer wall of axis body also connects It is connected to the gap bearing 9 of terrace after being located at ladder platform 7,1 rear end of axis body is additionally provided with bearing locating cover 10, passes through bearing Post gap bearing 9 can be carried out clamping sealing by locating cover 10, offered oil filler point on the bearing locating cover 10, passed through note The setting of oilhole can carry out oiling to gap bearing 9, maintain its lubricant effect, reduce running resistance.
Specifically, 6 front end of bearing positioning sleeve also annular is provided with installation protrusion 11, and after the cutter fixing head 2 End offers the annular slot to match with installation protrusion 11, glues between bottom in raised 11 front ends of the installation and annular slot It is connected with fluorubber 12, the retaining ring 13 positioned at 6 rear end of bearing positioning sleeve is additionally provided on the axis body 1, by installing raised 11 Hes Axis body 1 and cutter fixing head 2 can be plugged and fixed to reduce preset clearance for the setting of annular slot, pass through fluorubber 12 Setting can play a pooling feature, so that the pass between bearing positioning sleeve 6 and cutter fixing head 2 can not only be consolidated System, can also prevent graphite oil-free bearing 4 from generating offset in jacking digging process, can be to bearing by the setting of retaining ring 13 The position of positioning sleeve 6 further limits.
Specifically, 8 inner ring of thrust bearing is also provided with annular groove, and the annular groove is sealed by seccotine and is fixed There are the O-ring seals 14 for being tightly attached to axis body 1, thrust bearing 8 can be increased by the mutual cooperation of annular groove and O-ring seals 14 The stability of work.
Specifically, 2 inner wall of cutter fixing head also equidistantly offers the seal groove of annular setting, and in the seal groove The sealing ring 15 for being tightly attached to axis body 1 is fixed with by seccotine sealing, it can be into one by the setting of seal groove and sealing ring 15 Step increases the stability of position between cutter fixing head 2 and axis body 1, can also reduce cutter fixing head 2 and is produced from 1 junction of axis body Raw deflection.
Specifically, 1 outer wall of axis body is additionally provided with the bearing seal cover 16 positioned at 9 outer wall of thrust bearing 8 and gap bearing, 16 inner wall of bearing seal cover is fixedly linked with ladder platform 7, can be by thrust bearing 8 and gap axis by bearing seal cover 16 Hold 9 and ladder platform 7 covered, thus the leakproofness of effective protection axis body 1.
Specifically, 1 rear and front end of axis body extends through bearing seal cover 5 and bearing locating cover 10 is arranged, pass through axis It holds sealing cover 5 and bearing locating cover 10 can be respectively that graphite oil-free bearing 4 and gap bearing 9 are protected.
Working principle: a kind of pipe jacking tunnelling machine main shaft of the present invention is connected with graphite oil-free bearing 4 on front side of axis body 1, passes through stone Reach good lubrication between the black main shaft 1 made of oilless bearing 4 and bearing positioning sleeve 6, is also equipped in pairs for card on front side of axis body 1 The bearing seal cover 5 for connecing graphite oil-free bearing 4 can play the work of sealed graphite oilless bearing 4 by the setting of bearing seal cover 5 With entering in graphite oil-free bearing 4 so as to reducing pollutant influences rotating effect, and 5 outer wall of bearing seal cover is connected with " ring The bearing positioning sleeve 6 of shape " setting, the effect of positioning can be played by the setting of bearing positioning sleeve 6 to graphite oil-free bearing 4, And 6 front end of bearing positioning sleeve also annular is provided with installation protrusion 11, and 2 rear end of cutter fixing head offers matched ring Adhesion has fluorubber 12 between bottom in shape slot, installation 11 front ends of protrusion and annular slot, is additionally provided on axis body 1 positioned at axis The retaining ring 13 for holding 6 rear end of positioning sleeve, can be by axis body 1 and cutter fixing head 2 by the setting of installation protrusion 11 and annular slot It is plugged and fixed to reduce preset clearance, a pooling feature can be played by the setting of fluorubber 12, thus can not only Relationship between enough firm bearing positioning sleeve 6 and cutter fixing head 2, also can prevent graphite oil-free bearing 4 from excavating in jacking Offset is generated in journey, the position of bearing positioning sleeve 6 can be further limited by the setting of retaining ring 13;Pass through bearing locating cover 10 can carry out post gap bearing 9 clamping sealing, offer oil filler point on bearing locating cover 10, pass through the setting of oil filler point Oiling can be carried out to gap bearing 9, maintain its lubricant effect, reduce running resistance, and 1 outer wall of axis body is additionally provided with positioned at thrust The bearing seal cover 16 of 9 outer wall of bearing 8 and gap bearing, 16 inner wall of bearing seal cover are fixedly linked with ladder platform 7, pass through bearing Sealing shroud 16 can cover thrust bearing 8 and gap bearing 9 and ladder platform 7, thus the sealing of effective protection axis body 1 Property.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of pipe jacking tunnelling machine main shaft, including horizontally disposed axis body (1), it is characterised in that: axis body (1) front end is equipped with Cutter fixing head (2), the intermediate outer wall of the axis body (1) are evenly arranged with drive gear wheel (3), connection on front side of the axis body (1) Have graphite oil-free bearing (4), is also equipped with the bearing seal for being clamped graphite oil-free bearing (4) on front side of the axis body (1) in pairs It covers (5), bearing seal cover (5) outer wall is connected with the bearing positioning sleeve (6) of " ring-type " setting, is arranged on the axis body (1) Have ladder platform (7), axis body (1) outer wall is connected with the thrust bearing (8) of the terrace before ladder platform (7), the axis body (1) Outer wall is also connected with the gap bearing (9) positioned at ladder platform (7) terrace afterwards, and it is fixed that axis body (1) rear end is additionally provided with bearing (10) are covered in position, offer oil filler point on the bearing locating cover (10).
2. a kind of pipe jacking tunnelling machine main shaft according to claim 1, it is characterised in that: bearing positioning sleeve (6) front end Also annular is provided with installation protrusion (11), and the cutter fixing head (2) rear end offers and installs what protrusion (11) matched Annular slot, there is fluorubber (12) adhesion between bottom in raised (11) front end of the installation and annular slot, the axis body (1) On be additionally provided with the retaining ring (13) positioned at bearing positioning sleeve (6) rear end.
3. a kind of pipe jacking tunnelling machine main shaft according to claim 1, it is characterised in that: thrust bearing (8) inner ring is also Annular groove is offered, and the annular groove is fixed with the O-ring seals (14) for being tightly attached to axis body (1) by seccotine sealing.
4. a kind of pipe jacking tunnelling machine main shaft according to claim 1, it is characterised in that: cutter fixing head (2) inner wall The seal groove of annular setting is also equidistantly offered, and is fixed in the seal groove by seccotine sealing and is tightly attached to axis body (1) Sealing ring (15).
5. a kind of pipe jacking tunnelling machine main shaft according to claim 1, it is characterised in that: axis body (1) outer wall is additionally provided with Positioned at the bearing seal cover (16) of thrust bearing (8) and gap bearing (9) outer wall, bearing seal cover (16) inner wall and ladder Platform (7) is fixedly linked.
6. a kind of pipe jacking tunnelling machine main shaft according to claim 1, it is characterised in that: axis body (1) rear and front end point It Guan Chuan not bearing seal cover (5) and bearing locating cover (10) setting.
CN201810907846.1A 2018-08-10 2018-08-10 Main shaft of pipe-jacking tunneling machine Expired - Fee Related CN109099048B (en)

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 true CN109099048A (en) 2018-12-28
CN109099048B CN109099048B (en) 2020-02-07

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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

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Country Link
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101899974A (en) * 2010-08-03 2010-12-01 三一重型装备有限公司 Development machine and floating sealing device thereof
CN102691501A (en) * 2012-06-14 2012-09-26 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
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
CN103244138A (en) * 2013-05-18 2013-08-14 大连理工大学 Design method of slidingly-supported disc-shaped hob of heading machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101899974A (en) * 2010-08-03 2010-12-01 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
CN102691501A (en) * 2012-06-14 2012-09-26 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
CN103244138A (en) * 2013-05-18 2013-08-14 大连理工大学 Design method of slidingly-supported disc-shaped hob of heading machine

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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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200207

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CF01 Termination of patent right due to non-payment of annual fee