CN106522976A - Reducing spiral conveying device for shield tunneling machine - Google Patents
Reducing spiral conveying device for shield tunneling machine Download PDFInfo
- Publication number
- CN106522976A CN106522976A CN201611167837.0A CN201611167837A CN106522976A CN 106522976 A CN106522976 A CN 106522976A CN 201611167837 A CN201611167837 A CN 201611167837A CN 106522976 A CN106522976 A CN 106522976A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- helical blade
- ring
- cylinder body
- support
- 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.)
- Pending
Links
- 230000005641 tunneling Effects 0.000 title abstract 2
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 239000004519 grease Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008674 spewing Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a reducing spiral conveying device for a shield tunneling machine. The reducing spiral conveying device comprises a cylinder body and a spiral blade, wherein a screw rod is arranged in the cylinder body, and the spiral blade is fixed on the screw rod; the cylinder body is of a reducing structure and comprises a big column section, a middle section and a small column section; a gap is formed between the spiral blade and the inner wall of the cylinder body, and the radius of the spiral blade is matched with the corresponding cylinder body; and support bearings, a support ring, spacer rings and pressure rings are arranged in a mounting hole of the cylinder body, the support bearings are mounted in an inner hole of the cylinder body, the spacer ring is arranged between every two adjacent support bearings, the support ring is mounted on inner holes of the support bearings, is in contact with the spiral blade and can synchronously rotate along with the spiral blade, and the pressure rings are connected with the cylinder body. According to the reducing spiral conveying device, a gushing phenomenon of underground water can be effectively prevented in the working process; and by utilizing the design of a three-bearing support structure, the abrasion of the inner wall of the cylinder body and the spiral blade can be effectively prevented, the service life of a spiral conveyor is greatly prolonged, and the working stability of the spiral conveyor is greatly improved.
Description
Technical field
The present invention relates to shield machine field, more particularly to a kind of shield machine reducing formula helix transporting device.
Background technology
Conveying worm is one of nucleus equipment of earth pressure balance shield machine output dregs, in conveying worm helical-blade
In the presence of piece, it is cut the dregs that knife cutting gets off and is constantly transported on belt conveyor by anterior shield Tu Cang, and then
Ground is transported to endlessly, so as to ensure being carried out continuously for shield machine driving.In earth pressure balance shield machine, spiral
Conveyer mainly has following functions：1) dregs that gets off will be cut to be displaced on belt conveyor in native storehouse；2) on the ground of infiltration
In layer, the excessive generation spewing phenomenon of hydraulic pressure is prevented；3) by controlling the rotating speed and discharge capacity of conveying worm ensureing spoil storehouse
Pressure balance, cause excavation face to cave in prevent pressure uneven or earth's surface seriously settled.
Existing spiral conveyor device mainly has the disadvantage that：1) conveying worm rely primarily on front butterfly gate and after go out
Preventing from gushing, because helical feed machine drum body is first-class diameter structure, pressure is entered after cylinder except along stroke pressure native port strobe
Be unearthed after all pouring into outside loss port strobe, now can only prevent from gushing by the closure of rear unearthed port strobe, cause
Conveying worm transfer efficiency is low；2) drive end that is supported on of conveying worm relies on self-aligning bearing, relies on spiral shell at Tu Cang ends
Contact of the vane piece with cylinder, in the conveying worm course of work, as Jing often contains rubble grain and helical blade in dregs
Contact between cylinder inboard wall, causes the abrasion of helical feed machine drum body, and cylinder worn out phenomenon occurs even when serious,
This leverages the stability of conveying worm work, simultaneously because the restriction of underground construction condition, the place to such problem
Reason needs to spend substantial amounts of energy and time, and certain impact is also result in construction speed.
Based on above reason, it is necessary to invent a kind of spiral conveyor device that can be solved the above problems, have to reach
Effect prevents underground water from gushing, it is ensured that transfer efficiency, reduces conveying worm barrel wear, improves conveying worm service life
Purpose.
The content of the invention
The present invention is for the problems of conveying worm during shield machine construction, there is provided a kind of shield machine is with different
Footpath formula helix transporting device, the device can be effectively prevented gushing for underground water, it is ensured that support pressure, reduce conveying worm
The service life of barrel wear and raising conveying worm.
To solve above-mentioned technical problem, the shield machine reducing formula helix transporting device of the present invention includes cylinder and helical-blade
Piece, is provided with screw rod in the cylinder, the helical blade is fixed on screw rod, and the cylinder is reducing formula structure, including great circle
Shell of column, interlude and roundlet shell of column, the interlude is variable-diameter structure, and the interlude connects big cylindrical section and roundlet shell of column；
The helical blade leaves gap with cylinder inboard wall, and the radius of the helical blade is adapted with corresponding cylinder；The cylinder
Installing hole in be provided with spring bearing, support ring, spacer ring and pressure ring, the spring bearing is arranged on the endoporus of cylinder, described
Spacer ring is provided between support bearing, the support ring is arranged on the endoporus of spring bearing, support ring is contacted with helical blade and can be with
Helical blade synchronous axial system, the pressure ring are connected with cylinder by bolt, and the Main Function of pressure ring is to apply an axle to spacer ring
To pressure, it is ensured that pressuring action of the spacer ring to spring bearing.
Further, the circumferential position of the cylinder installation spring bearing is provided with grease hole, provides for bearing support
Lubricant grease.
Further, the spacer ring is provided with sealed groove, is provided with sealing ring in the sealed groove.Mainly to support shaft
Dust-proof and sealing function has been held, when conveying worm works, it is ensured that the media such as muddy water are not entered in spring bearing, to prevent spiral shell
In the rotation conveyer course of work, dregs, water etc. produce interference to bearing support, meanwhile, the seal grease of sealing ring is by being opened in reducing
Grease hole supply on the cylinder of formula structure.
Further, the internal diameter of the support ring is less than cylinder internal diameter, and the support ring is interference fit with helical blade
Or the position welding contacted with helical blade in support ring using the mode welded, it is ensured that when conveying worm works,
Pushing out ring is rotated together with helical blade.
Further, the spring bearing is 3, the contact site of 3 support rings and helical blade circumferencial direction into
120 ° uniform, and trisection is installed in the helical pitch of helical blade axial direction, to provide the helical-blade of support helix conveying device
The power that piece is not contacted with cylinder inboard wall, it is ensured that the inwall when helical blade is rotated not with cylinder is contacted, so as to prevent helical-blade
The abrasion that piece is caused because of CONTACT WITH FRICTION with cylinder inboard wall, improves the service life of helical blade and cylinder, enhances spiral
The job stability of conveying device.
Further, be provided with pad between the pressure ring and cylinder, can by between pressure ring and cylinder increase and decrease pad come
Adjustment thrust of the spacer ring to spring bearing.
Further, the helical blade is welded on the screw rod of conveying worm, and the screw rod is an overall structure
Round steel, the helical blade of relevant radii is welded according to the installation site of the cylinder of reducing formula structure, ensures cylinder in welding
Gap is installed in cooperation with helical blade.
Beneficial effects of the present invention：
(1) when the underground water with pressure pours into large-diameter cylinder body through cylinders with small diameter, due to large-diameter cylinder body body
Long-pending increase, makes the pressure of underground water reduce rapidly, can effectively prevent the spewing phenomenon of underground water；
(2) 3 bearing support structures are employed, make the screw rod of conveying worm receive 3 support forces into 120 ° of distributions,
The directly contact of helical blade and cylinder inboard wall is avoided, the abrasion of cylinder inboard wall and helical blade can be effectively prevented, be carried significantly
The service life and job stability of high conveying worm.
Description of the drawings
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is further elucidated.
Fig. 1 is the structural representation of the shield machine reducing formula helix transporting device of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Specific embodiment
With reference to Fig. 1 and Fig. 2, the shield machine reducing formula helix transporting device of the present invention includes cylinder 1 and helical blade 2,
Screw rod is provided with the cylinder 1, the helical blade 2 is fixed on screw rod, the cylinder 1 is reducing formula structure, including great circle
Shell of column, interlude and roundlet shell of column, the interlude is variable-diameter structure, and the interlude connects big cylindrical section and roundlet shell of column；
The helical blade 2 leaves gap with 1 inwall of cylinder, and the radius of the helical blade 2 is adapted with corresponding cylinder 1；It is described
Spring bearing 3, support ring 5, spacer ring 6 and pressure ring 7 are provided with the installing hole of cylinder 1, the spring bearing 3 is arranged on cylinder 1
Endoporus, is provided with spacer ring 6 between the spring bearing 3, the support ring 5 is arranged on the endoporus of spring bearing 3, support ring 5 and spiral shell
Vane piece 2 is contacted and can be connected with cylinder 1 by bolt with 2 synchronous axial system of helical blade, the pressure ring 7, the main work of pressure ring 7
Be to spacer ring 6 apply an axial compressive force, it is ensured that pressuring action of the spacer ring 6 to spring bearing 3.
The present embodiment preferably, install the circumferential position of spring bearing 3 and be provided with grease hole by the cylinder 1, is
Hold bearing 3 and lubricant grease is provided.
Preferably, the spacer ring 6 is provided with sealed groove to the present embodiment, sealing ring 4 is provided with the sealed groove.It is main
Will be to 3 dust-proof and sealing functions of spring bearing, when conveying worm works, it is ensured that in spring bearing 3, do not enter muddy water etc.
Medium, to prevent in the conveying worm course of work dregs, water etc. to produce interference to bearing support 3, meanwhile, sealing ring 4 it is close
Oil sealing fat is by the grease hole supply being opened on the cylinder 1 of reducing formula structure.
Preferably, the internal diameter of the support ring 5 is less than 1 internal diameter of cylinder, the support ring 5 and helical blade to the present embodiment
2 is interference fit or the position welding contacted with helical blade 2 in support ring 5 using the mode welded, it is ensured that in spiral transferring
When sending machine to work, support ring 5 is rotated together with helical blade 2.
Preferably, the spring bearing 3 is 3 to the present embodiment, and 3 support rings 5 are existed with the contact site of helical blade 2
Circumferencial direction is uniform into 120 °, and trisection is installed in the helical pitch of 2 axial direction of helical blade, to provide support helix conveying dress
The power that the helical blade 2 put is not contacted with 1 inwall of cylinder, it is ensured that do not contact with the inwall of cylinder 1 when helical blade 2 is rotated,
So as to the abrasion for preventing helical blade 2 and 1 inwall of cylinder from causing because of CONTACT WITH FRICTION, making for helical blade 2 and cylinder 1 is improve
With the life-span, the job stability of helix transporting device is enhanced.
The present embodiment preferably, is provided with pad between the pressure ring 7 and cylinder 1, can by pressure ring 7 and cylinder 1 it
Between increase and decrease pad adjusting thrust of the spacer ring 6 to spring bearing 3.
Preferably, the helical blade 2 is welded on the screw rod of conveying worm the present embodiment, and the screw rod is one piece
Integrally-built round steel, welds the helical blade 2 of relevant radii according to the installation site of the cylinder 1 of reducing formula structure, in welding
When ensure that gap is installed in cylinder 1 and the cooperation of helical blade 2.
When in use, one end of 1 big cylindrical section of cylinder passes through the shield machine of the present embodiment reducing formula helix transporting device
Bolt is connected with conveying worm main cylinder, and one end of roundlet shell of column is connected with the oblique cylinder being welded on anterior shield by bolt
Connect, Jing actual tests are used, the shield machine reducing formula helix transporting device of the present embodiment has the advantage that：
(1) when the underground water with pressure pours into large-diameter cylinder body through cylinders with small diameter, due to large-diameter cylinder body body
Long-pending increase, makes the pressure of underground water reduce rapidly, can effectively prevent the spewing phenomenon of underground water；
(2) 3 bearing support structures are employed, make the screw rod of conveying worm receive 3 support forces into 120 ° of distributions,
The directly contact of helical blade and cylinder inboard wall is avoided, the abrasion of cylinder inboard wall and helical blade can be effectively prevented, be carried significantly
The service life and job stability of high conveying worm.
Elaborate many details in order to fully understand the present invention in the above description.But above description is only
Presently preferred embodiments of the present invention, the present invention can be implemented with being much different from alternate manner described here, therefore this
Invention is not embodied as being limited by disclosed above.Any those skilled in the art are without departing from the technology of the present invention simultaneously
In the case of aspects, all make many possible to technical solution of the present invention using the methods and techniques content of the disclosure above
Change and modify, or the Equivalent embodiments for being revised as equivalent variations.Every content without departing from technical solution of the present invention, according to this
The technical spirit of invention still falls within skill of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification
In the range of the protection of art scheme.
Claims (7)
1. set in a kind of shield machine reducing formula helix transporting device, including cylinder (1) and helical blade (2), the cylinder (1)
There is screw rod, the helical blade (2) is fixed on screw rod, it is characterised in that：The cylinder (1) is reducing formula structure, including big
Cylindrical section, interlude and roundlet shell of column, the interlude is variable-diameter structure, and the interlude connects big cylindrical section and small column
Section；The helical blade (2) leaves gap, radius and corresponding cylinder (1) of the helical blade (2) with cylinder (1) inwall
It is adapted；It is provided with spring bearing (3), support ring (5), spacer ring (6) and pressure ring (7) in the installing hole of the cylinder (1), described
Support bearing (3) is provided with spacer ring (6) installed in the endoporus of cylinder (1) between the spring bearing (3), the support ring (5) is arranged on
On the endoporus of spring bearing (3), support ring (5) is contacted with helical blade (2) and can be described with helical blade (2) synchronous axial system
Pressure ring (7) is connected with cylinder (1) by bolt.
2. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：Cylinder (1) peace
The circumferential position of dress spring bearing (3) is provided with grease hole.
3. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：The spacer ring (6) sets
There is sealed groove, sealing ring (4) is installed in the sealed groove.
4. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：The support ring (5)
Internal diameter be less than cylinder (1) internal diameter, the support ring (5) and helical blade (2) are interference fit or the mode using welding
In the position welding that support ring (5) is contacted with helical blade (2), it is ensured that when conveying worm works, support ring (5) and spiral
Blade (2) is rotated together.
5. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：The spring bearing
(3) it is 3,3 support rings (5) are uniform into 120 ° in circumferencial direction with the contact site of helical blade (2), in helical blade
(2) in an axial helical pitch, trisection is installed, with the screw rod of support helix conveyer, it is ensured that when helical blade (2) is rotated
Do not contact with the inwall of cylinder (1).
6. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：The pressure ring (7) with
Cylinder is provided with pad between (1).
7. shield machine according to claim 1 reducing formula helix transporting device, it is characterised in that：The helical blade
(2) it is welded on the screw rod of conveying worm, the screw rod is an integrally-built round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167837.0A CN106522976A (en) | 2016-12-16 | 2016-12-16 | Reducing spiral conveying device for shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167837.0A CN106522976A (en) | 2016-12-16 | 2016-12-16 | Reducing spiral conveying device for shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522976A true CN106522976A (en) | 2017-03-22 |
Family
ID=58340885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167837.0A Pending CN106522976A (en) | 2016-12-16 | 2016-12-16 | Reducing spiral conveying device for shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820728A (en) * | 2018-09-06 | 2018-11-16 | 中国铁建重工集团有限公司 | A kind of screw-rod structure, screw conveyor and development machine |
| CN114542102A (en) * | 2022-01-29 | 2022-05-27 | 中铁隧道局集团有限公司 | Multi-section variable-speed variable-section anti-surging spiral conveyor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938434A (en) * | 1973-03-19 | 1976-02-17 | Cox Clyde H | Sludge dewatering |
| CN2055814U (en) * | 1989-08-07 | 1990-04-11 | 四川省建材工业科学研究所 | Steady material feeding machine with single pipe overflow |
| CN1543450A (en) * | 2001-08-29 | 2004-11-03 | ������ѧ��ʽ���� | Process for the preparation of aromatic dicarboxylic acids |
| CN101117175A (en) * | 2007-09-07 | 2008-02-06 | 太原科技大学 | Helical blade supporting arrangement |
| CN103552817A (en) * | 2013-10-30 | 2014-02-05 | 煤炭科学研究总院 | Spiral conveyer with special pipe walls |
| CN103787035A (en) * | 2014-02-20 | 2014-05-14 | 乌鲁木齐市众凯达机电有限公司 | Middle bearing device of spiral conveyor |
| CN203767498U (en) * | 2014-02-27 | 2014-08-13 | 中国铁建重工集团有限公司 | Support device for screw shaft of screw conveyer and shield tunneling machine |
| CN206309398U (en) * | 2016-12-16 | 2017-07-07 | 徐工集团凯宫重工南京有限公司 | A kind of shield machine reducing formula helix transporting device |
-
2016
- 2016-12-16 CN CN201611167837.0A patent/CN106522976A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938434A (en) * | 1973-03-19 | 1976-02-17 | Cox Clyde H | Sludge dewatering |
| CN2055814U (en) * | 1989-08-07 | 1990-04-11 | 四川省建材工业科学研究所 | Steady material feeding machine with single pipe overflow |
| CN1543450A (en) * | 2001-08-29 | 2004-11-03 | ������ѧ��ʽ���� | Process for the preparation of aromatic dicarboxylic acids |
| CN101117175A (en) * | 2007-09-07 | 2008-02-06 | 太原科技大学 | Helical blade supporting arrangement |
| CN103552817A (en) * | 2013-10-30 | 2014-02-05 | 煤炭科学研究总院 | Spiral conveyer with special pipe walls |
| CN103787035A (en) * | 2014-02-20 | 2014-05-14 | 乌鲁木齐市众凯达机电有限公司 | Middle bearing device of spiral conveyor |
| CN203767498U (en) * | 2014-02-27 | 2014-08-13 | 中国铁建重工集团有限公司 | Support device for screw shaft of screw conveyer and shield tunneling machine |
| CN206309398U (en) * | 2016-12-16 | 2017-07-07 | 徐工集团凯宫重工南京有限公司 | A kind of shield machine reducing formula helix transporting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820728A (en) * | 2018-09-06 | 2018-11-16 | 中国铁建重工集团有限公司 | A kind of screw-rod structure, screw conveyor and development machine |
| CN114542102A (en) * | 2022-01-29 | 2022-05-27 | 中铁隧道局集团有限公司 | Multi-section variable-speed variable-section anti-surging spiral conveyor |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |