CN108952739B - Pressurizing balancing device for starting of shield machine - Google Patents
Pressurizing balancing device for starting of shield machine Download PDFInfo
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- CN108952739B CN108952739B CN201810976311.XA CN201810976311A CN108952739B CN 108952739 B CN108952739 B CN 108952739B CN 201810976311 A CN201810976311 A CN 201810976311A CN 108952739 B CN108952739 B CN 108952739B
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- sleeve
- shield machine
- fixedly connected
- box body
- shield
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a pressurization balancing device for originating of a shield machine, which comprises a sleeve, wherein the shield machine is arranged in the sleeve, two sliding rods are symmetrically and fixedly connected in the sleeve, a box body is sleeved on each sliding rod, each box body is in sliding connection with the sliding rod, a driving mechanism is arranged in each box body, one end, far away from the sliding rod, of each box body is fixedly connected with an installation block, two cavities are symmetrically formed in the sleeve, a pushing mechanism is arranged in each cavity, two placing grooves are symmetrically formed in the side wall of the sleeve, a fixing plate is arranged in each placing groove, and one end, far away from the shield machine, of the sleeve is fixedly connected with a fixing seat. The shield machine pressurizing device has the advantages of stable structure, simple operation, scientific and reasonable design, short production period, low manufacturing cost, simple installation and operation, firm support for the shield machine, and capability of pressurizing the shield machine more stably so that the shield machine can move and work more stably.
Description
Technical Field
The invention relates to the technical field of shield machine starting, in particular to a pressurization balancing device for the starting of a shield machine.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is that a tunnel is constructed (paved) by a tunneling machine while tunneling, and is different from an open construction method, and internationally, the generalized shield machine can also be used for rock strata and is only different from an open (non-shield method) tunnel tunneling machine. In China, tunnel boring machines used for soft soil strata are customarily called (narrowness) shield machines, tunnel boring machines used for rock strata are called (narrowness) TBM, the shield machines are generally divided into hand-drive shields, extrusion shields, semi-mechanical shields (local air pressure and global air pressure) and mechanical shields (chest-cut cutting shields, air pressure shields, muddy water pressure shields, soil pressure balance shields, mixed shields and special shields) according to the working principle, the boring amount of construction by adopting the shield method accounts for 45 percent of the total construction amount of the subway in Beijing city, and 30 shield machines are used for subway construction at present. Although the shield tunneling machine is high in cost, the underground excavation efficiency of the subway can be improved by 8 to 10 times, and in the construction process, the underground excavation machine does not need to be disassembled on a large scale on the ground, does not block traffic, is free of construction noise, does not settle on the ground, and does not influence the normal life of residents. However, the large shield machine has high technical added value and complex manufacturing process, and only a few enterprises in Europe, America and Japan can be developed and produced internationally; when the shield machine starts, the shield machine needs to be stably fixed, so that the shield machine can better excavate the tunnel; further, a pressurization balancing device for starting of the shield machine is provided to help the shield machine to support more stably; the existing pressurizing balancing device for starting of the shield machine has the advantages of simple integral structure, complex installation and operation and insecure support for the shield machine.
Disclosure of Invention
The invention aims to solve the problems that the whole structure of a pressurization balancing device initiated by a shield machine in the prior art is simple, the installation and operation are complex, and the support of the shield machine is not firm, and provides the pressurization balancing device for the shield machine initiation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pressurizing balancing device for starting of a shield machine comprises a sleeve, wherein the shield machine is arranged in the sleeve, two sliding rods are symmetrically and fixedly connected in the sleeve, a box body is sleeved on each sliding rod and is in sliding connection with each sliding rod, a driving mechanism is arranged in each box body, one end, far away from each sliding rod, of each box body is fixedly connected with an installation block, two cavities are symmetrically formed in the sleeve, a pushing mechanism is arranged in each cavity, two placing grooves are symmetrically formed in the side wall of the sleeve, a fixing plate is arranged in each placing groove, one end, far away from the shield machine, of the sleeve is fixedly connected with a fixing seat, a groove is formed in the fixing seat, two limiting rods are vertically and symmetrically arranged in the groove, an air cylinder is fixedly connected to the top wall of the groove, and one end, far away from the top wall of the groove, of the air cylinder is, and the slide cover is established on the gag lever post and with gag lever post sliding connection, the one end fixedly connected with telescopic link of cylinder is kept away from to the slide, and the telescopic link is kept away from the one end of slide and is run through the recess and extend to the lower extreme of fixing base, the lower extreme of fixing base is equipped with the fixed block, and the fixed block is fixed on the telescopic link.
Preferably, actuating mechanism includes that the level fixes the connecting plate in the box, it is connected with the pivot to rotate on the connecting plate, and the both ends of pivot all rotate with the lateral wall of box and be connected, the cover is equipped with the gear in the pivot, and the gear is located one side of connecting plate, the rack has been seted up on the litter, and gear and rack meshing, still the cover is equipped with the worm wheel in the pivot, and the worm wheel is located one side that the gear was kept away from to the connecting plate, be equipped with the second motor in the box, the drive end of second motor is equipped with the worm, and worm wheel meshing.
Preferably, pushing mechanism is including rotating the two-way threaded rod of connection in the cavity, two motor rooms have been seted up to the symmetry on the sleeve, every all be equipped with first motor in the motor room, and the one end of every two-way threaded rod runs through the lateral wall of cavity and the lateral wall of motor room and is connected with the drive end of first motor, every equal fixedly connected with supporting shoe in the cavity, and every supporting shoe is all established on two-way threaded rod and is connected with two-way threaded rod rotation, every equal symmetrical cover is equipped with two movable blocks on the two-way threaded rod, and every movable block all with two-way threaded rod threaded connection, every all rotate on the movable block and be connected with the connecting rod, every the one end that the movable block was kept away from to the connecting rod all runs.
Preferably, the moving blocks are symmetrically arranged at two sides of the supporting block.
Preferably, each mounting block is fixedly connected with the shield tunneling machine through a locking screw.
Preferably, a plurality of fixing feet are fixedly connected to one side of each fixing plate far away from the placing groove.
Preferably, the lower extreme of fixing base has seted up the fixed slot, and the fixed block setting is in the fixed slot.
Preferably, a stabilizing plate is horizontally arranged in the box body, and the stabilizing plate is sleeved on the worm and is in rotating connection with the worm.
The invention has the following advantages:
1. the shield machine pressurizing device has the advantages of stable structure, simple operation, scientific and reasonable design, short production period, low manufacturing cost, simple installation and operation, firm support for the shield machine, and capability of pressurizing the shield machine more stably so that the shield machine can move and work more stably.
2. According to the invention, the left and right lateral body fixing of the whole device can be more stably carried out by arranging the first motor, the bidirectional threaded rod, the moving block, the connecting rod, the fixing plate and the fixing foot; the air cylinder, the limiting rod, the sliding plate and the telescopic rod fixing block are arranged in the groove, so that the whole equipment can be fixed at the bottom; through the second motor, the worm wheel, the rotating shaft and the gear which are arranged in the box body, the shield machine can be pressurized more stably, so that the shield machine can move more stably.
Drawings
FIG. 1 is a schematic structural diagram of a pressurized balancing device for shield machine initiation according to the present invention;
FIG. 2 is a side view of the pressurized balancing apparatus for shield machine initiation as set forth in the present invention;
FIG. 3 is a schematic structural diagram of the interior of a box body of the pressurization balancing device for the originating of the shield machine according to the present invention;
fig. 4 is a schematic structural diagram of part a of the pressurization balancing device for shield machine initiation according to the present invention.
In the figure: the shield machine comprises a sleeve 1, a connecting rod 2, a fixing foot 3, a fixing plate 4, a first motor 5, a fixing seat 6, a mounting block 7, a supporting block 8, a sliding rod 9, a bidirectional threaded rod 10, an air cylinder 11, a limiting rod 12, a sliding plate 13, a telescopic rod 14, a fixing block 15, a second motor 16, a stabilizing plate 17, a worm 18, a box body 19, a connecting plate 20, a gear 21, a moving block 22, a rotating shaft 23, a worm wheel 24, a groove 25, a placing groove 26, a locking screw 27, a motor chamber 28, a cavity 29 and a shield machine 30.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "cover", "fitted", "attached", "fixed", "distributed", and the like are to be understood in a broad sense, and may be, for example, fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, a pressurization balancing device for starting a shield machine includes a sleeve 1, a shield machine 30 is arranged in the sleeve 1, two sliding rods 9 are symmetrically and fixedly connected in the sleeve 1, so that the shield machine 30 can be stably pressurized, the shield machine 30 can move more stably, a box 19 is sleeved on each sliding rod 9, each box 19 is slidably connected with the sliding rod 9, a driving mechanism is arranged in each box 19, an installation block 7 is fixedly connected to one end of each box 19, which is far away from the sliding rod 9, and each installation block 7 is fixedly connected with the shield machine 30 through a locking screw 27 and used for installing the shield machine 30; two cavities 29 are symmetrically formed in the sleeve 1, a pushing mechanism is arranged in each cavity 29, two placing grooves 26 are symmetrically formed in the side wall of the sleeve 1, a fixing plate 4 is arranged in each placing groove 26, and one side, far away from the placing grooves 26, of each fixing plate 4 is fixedly connected with a plurality of fixing legs 3, so that the stable fixation of the fixing plates 4 to the whole equipment can be increased; a fixed seat 6 is fixedly connected to one end, away from a shield machine 30, of a sleeve 1, a groove 25 is formed in the fixed seat 6, two limiting rods 12 are vertically and symmetrically arranged in the groove 25, an air cylinder 11 is fixedly connected to the top wall of the groove 25, a sliding plate 13 is fixedly connected to one end, away from the top wall of the groove 25, of the air cylinder 11, the sliding plate 13 is sleeved on the limiting rods 12 and is in sliding connection with the limiting rods 12, an expansion rod 14 is fixedly connected to one end, away from the air cylinder 11, of the sliding plate 13, an end, away from the sliding plate 13, of the expansion rod 14 penetrates through the groove 25 and extends to the lower end of the fixed seat 6; the fixed slot has been seted up to the lower extreme of fixing base 6, and fixed block 15 sets up in the fixed slot, the fixed block 15 of being convenient for receive and release.
In the invention, the driving mechanism comprises a connecting plate 20 horizontally fixed in a box body 19 and used for supporting the rotation of a rotating shaft 23, the connecting plate 20 is rotatably connected with the rotating shaft 23, two ends of the rotating shaft 23 are rotatably connected with the side wall of the box body 19, a gear 21 is sleeved on the rotating shaft 23, the gear 21 is positioned on one side of the connecting plate 20, a rack is arranged on a slide bar 9, the gear 21 is meshed with the rack, a worm wheel 24 is further sleeved on the rotating shaft 23, the worm wheel 24 is positioned on one side of the connecting plate 20 far away from the gear 21, a second motor 16 is arranged in the box body 19, a worm 18 is arranged at the driving end of the second motor 16, and the; a stabilizing plate 17 is horizontally arranged in the box body 19, and the stabilizing plate 17 is sleeved on the worm 18 and is rotationally connected with the worm 18.
In the invention, the pushing mechanism comprises a bidirectional threaded rod 10 which is rotationally connected in a cavity 29, two motor chambers 28 are symmetrically arranged on a sleeve 1, a first motor 5 is arranged in each motor chamber 28, one end of each bidirectional threaded rod 10 penetrates through the side wall of the cavity 29 and the side wall of the motor chamber 28 and is connected with the driving end of the first motor 5, a supporting block 8 is fixedly connected in each cavity 29, each supporting block 8 is sleeved on the bidirectional threaded rod 10 and is rotationally connected with the bidirectional threaded rod 10, and moving blocks 22 are symmetrically arranged on two sides of each supporting block 8; all the symmetrical cover is equipped with two moving blocks 22 on every two-way threaded rod 10, and every moving block 22 all with two-way threaded rod 10 threaded connection, all rotates on every moving block 22 and is connected with connecting rod 2, and the one end that moving block 22 was kept away from to every connecting rod 2 all runs through the lateral wall of cavity 29 and rotates with fixed plate 4 and be connected.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the invention, a first motor 5 drives a bidirectional threaded rod 10 to rotate on a supporting block 8, so that two moving blocks 22 sleeved on the bidirectional threaded rod 10 can move relatively, a connecting rod 2 rotatably connected to the moving blocks 22 can push a fixed plate 4 to move, and the fixed plate 4 is fixed on a side wall for placing integral equipment through a fixed pin 3 arranged on the fixed plate 4; the sliding plate 13 sleeved on the two limiting rods 12 is pushed by the air cylinder 11 to move in the groove 25, so that the groove 25 pushes the fixing block 15 on the telescopic rod 14 to fix the whole equipment at the bottom; finally, the worm 18 is driven to rotate on the telescopic rod 14 through the second motor 16, the worm 18 is meshed with a worm wheel 24 sleeved on the rotating shaft 23, so that the rotating shaft 23 can rotate on the connecting plate 20, the rotating shaft 23 is sleeved with a gear 21, the gear 21 is meshed with a rack arranged on the sliding rod 9, so that the box body 19 slides on the sliding rod 9, the mounting block 7 is fixedly connected with the shield tunneling machine 30 through a locking screw 27, the mounting block 7 is fixedly connected onto the box body 19, and the shield tunneling machine 30 can be stably pushed to construct a tunnel to be excavated by the box body 19 on the sliding rod 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A pressurization balancing device for originating of a shield machine comprises a sleeve (1) and is characterized in that a shield machine (30) is arranged in the sleeve (1), two sliding rods (9) are symmetrically and fixedly connected in the sleeve (1), a box body (19) is sleeved on each sliding rod (9), each box body (19) is in sliding connection with each sliding rod (9), a driving mechanism is arranged in each box body (19), one end, far away from each sliding rod (9), of each box body (19) is fixedly connected with a mounting block (7), two cavities (29) are symmetrically formed in the sleeve (1), a pushing mechanism is arranged in each cavity (29), two placing grooves (26) are symmetrically formed in the side wall of the sleeve (1), a fixing plate (4) is arranged in each placing groove (26), and a shield fixing seat (6) is fixedly connected at one end, far away from the shield machine (30), of the sleeve (1), seted up recess (25) in fixing base (6), vertical symmetry is equipped with two gag lever post (12) in recess (25), fixedly connected with cylinder (11) on the roof of recess (25), one end fixedly connected with slide (13) of recess (25) roof are kept away from in cylinder (11), and slide (13) cover establish on gag lever post (12) and with gag lever post (12) sliding connection, the one end fixedly connected with telescopic link (14) of cylinder (11) are kept away from in slide (13), and telescopic link (14) keep away from the one end of slide (13) and run through recess (25) and extend to the lower extreme of fixing base (6), the lower extreme of fixing base (6) is equipped with fixed block (15), and fixed block (15) fix on telescopic link (14).
2. The pressure equalizing device for shield tunneling machine origination according to claim 1, the driving mechanism comprises a connecting plate (20) horizontally fixed in the box body (19), a rotating shaft (23) is rotatably connected on the connecting plate (20), and both ends of the rotating shaft (23) are rotatably connected with the side wall of the box body (19), a gear (21) is sleeved on the rotating shaft (23), and the gear (21) is positioned at one side of the connecting plate (20), the sliding rod (9) is provided with a rack, the gear (21) is meshed with the rack, the rotating shaft (23) is also sleeved with a worm wheel (24), and the worm wheel (24) is positioned on one side of the connecting plate (20) far away from the gear (21), a second motor (16) is arranged in the box body (19), a worm (18) is arranged at the driving end of the second motor (16), and the worm (18) is meshed with a worm wheel (24).
3. The pressurization balancing device for the originating of the shield tunneling machine according to claim 1, wherein the pushing mechanism comprises a bidirectional threaded rod (10) rotatably connected in a cavity (29), the sleeve (1) is symmetrically provided with two motor chambers (28), each motor chamber (28) is provided with a first motor (5), one end of each bidirectional threaded rod (10) penetrates through the side wall of the cavity (29) and the side wall of the motor chamber (28) and is connected with the driving end of the first motor (5), a supporting block (8) is fixedly connected in each cavity (29), each supporting block (8) is sleeved on the bidirectional threaded rod (10) and is rotatably connected with the bidirectional threaded rod (10), two moving blocks (22) are symmetrically sleeved on each bidirectional threaded rod (10), and each moving block (22) is in threaded connection with the bidirectional threaded rod (10), each moving block (22) is rotatably connected with a connecting rod (2), and one end, far away from the moving block (22), of each connecting rod (2) penetrates through the side wall of the cavity (29) and is rotatably connected with the fixed plate (4).
4. The pressure equalizing device for shield tunneling machine initiation according to claim 3, wherein the moving blocks (22) are symmetrically disposed on both sides of the support block (8).
5. Pressurized balancing device for shield machine originations according to claim 1, characterized in that each of the mounting blocks (7) is fixedly connected with the shield machine (30) by means of locking screws (27).
6. Pressure equalizing device for shield tunneling machine initiation according to claim 1, characterized in that a plurality of fastening feet (3) are fixedly connected to each fastening plate (4) on the side facing away from the standing groove (26).
7. The pressure balance device for shield tunneling machine initiation according to claim 1, wherein a fixing groove is opened at the lower end of the fixing seat (6), and the fixing block (15) is disposed in the fixing groove.
8. The pressurized balancing device for shield tunneling machine origination according to claim 2, wherein a stabilizer plate (17) is horizontally disposed in the box (19), and the stabilizer plate (17) is sleeved on the worm (18) and is rotatably connected to the worm (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976311.XA CN108952739B (en) | 2018-08-25 | 2018-08-25 | Pressurizing balancing device for starting of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976311.XA CN108952739B (en) | 2018-08-25 | 2018-08-25 | Pressurizing balancing device for starting of shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN108952739A CN108952739A (en) | 2018-12-07 |
| CN108952739B true CN108952739B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976311.XA Active CN108952739B (en) | 2018-08-25 | 2018-08-25 | Pressurizing balancing device for starting of shield machine |
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| Country | Link |
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| CN (1) | CN108952739B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184401A (en) * | 2021-11-09 | 2022-03-15 | 中铁第一勘察设计院集团有限公司 | Similar model test system for earth pressure balance type shield underpass composite foundation |
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|---|---|---|---|---|
| GB352944A (en) * | 1930-04-10 | 1931-07-10 | George Henry Dunlop | Improved means for directing tunnelling machines |
| CN101298836A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Pressurization balancing device for shield machine initialization |
| CN202085671U (en) * | 2011-05-27 | 2011-12-28 | 商丘市恒尔机械设备科技有限公司 | Mold lifting mechanism of green bean cake forming machine |
| CN204327103U (en) * | 2014-12-12 | 2015-05-13 | 中铁十一局集团城市轨道工程有限公司 | A kind of reaction frame started for tunneling shield |
| CN106837362A (en) * | 2017-04-24 | 2017-06-13 | 中铁十八局集团有限公司 | The constructing device and construction method of shield launching |
| CN206860183U (en) * | 2017-07-03 | 2018-01-09 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
| CN108019212A (en) * | 2017-12-21 | 2018-05-11 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of device for preventing from twisting during shield launching |
| CN207640547U (en) * | 2018-04-02 | 2018-07-24 | 张华� | Orthopedic splint installs clamp device |
-
2018
- 2018-08-25 CN CN201810976311.XA patent/CN108952739B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB352944A (en) * | 1930-04-10 | 1931-07-10 | George Henry Dunlop | Improved means for directing tunnelling machines |
| CN101298836A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Pressurization balancing device for shield machine initialization |
| CN202085671U (en) * | 2011-05-27 | 2011-12-28 | 商丘市恒尔机械设备科技有限公司 | Mold lifting mechanism of green bean cake forming machine |
| CN204327103U (en) * | 2014-12-12 | 2015-05-13 | 中铁十一局集团城市轨道工程有限公司 | A kind of reaction frame started for tunneling shield |
| CN106837362A (en) * | 2017-04-24 | 2017-06-13 | 中铁十八局集团有限公司 | The constructing device and construction method of shield launching |
| CN206860183U (en) * | 2017-07-03 | 2018-01-09 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
| CN108019212A (en) * | 2017-12-21 | 2018-05-11 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of device for preventing from twisting during shield launching |
| CN207640547U (en) * | 2018-04-02 | 2018-07-24 | 张华� | Orthopedic splint installs clamp device |
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| CN108952739A (en) | 2018-12-07 |
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Inventor after: Gao Chong Inventor after: Xu Ming Inventor before: Xu Ming |
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Effective date of registration: 20200713 Address after: 101300, Lin River Street, 16 Lin River Economic Development Zone, Beijing, Shunyi District Applicant after: CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENGINEERING Co.,Ltd. Address before: 225300 66 Chuang Chuang Road, Gao Gang, Taizhou, Jiangsu Applicant before: Xu Ming |
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