CN205982264U - Test device of simulation shield constituent segmentation excavation - Google Patents
Test device of simulation shield constituent segmentation excavation Download PDFInfo
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- CN205982264U CN205982264U CN201620957846.9U CN201620957846U CN205982264U CN 205982264 U CN205982264 U CN 205982264U CN 201620957846 U CN201620957846 U CN 201620957846U CN 205982264 U CN205982264 U CN 205982264U
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Abstract
The utility model provides a test device of simulation shield constituent segmentation excavation, connecting gradually and forming including a plurality of unit's shield structure machine, every unit shield constructs machine and all includes drive control unit, two rotatory shrink mechanisms and outer frames, the drive control unit includes three driving motor to and connect worm wheel screw rod, rear end connecting wire at every driving motor front end, three driving motor passes through the equidistant solid fixed ring of motor mounting difference around central at the main shaft, outer frame is that eight arc pieces connect gradually the component, connects through the stationary blade respectively between adjacent two arc pieces, and keeps there is the free gap between two adjacent arc pieces, be connected with rotatory shrink mechanism respectively at the both ends of main shaft, the utility model discloses a driving motor and the rotatory shrink range of gear control, rotatory shrink is control and stable easily, can contract earlier and afterwards expand, simulates the process that the shield constructs the loss of the machine excavation soil body completely.
Description
Technical field
This utility model belongs to underground engineering technical field, the test dress that more particularly, to a kind of simulation shield stagewise is excavated
Put.
Background technology
It is by 1 according to the model test apparatus that University Of Tianjin proposes:60 ratio, in view of moulded dimension is little, they exist
Following deficiency：
1) the shield machine model of single-unit is only had to be shunk and expanded simulation, only study two-dimensional soil deformation；
2) shield machine is manual operation, and operation is comparatively laborious.
And for example team of Tongji University Zhu He Chinese group is with reference to prototype with the earth pressure balance shield machine of diameter 6.34m, manufactures
The bivalve single-screw model shield of a diameter of 400mm, the digging cutterhead of this model shield and soil output are coaxial.Southwestern traffic
He Chuan team of university, with earth pressure balance shield machine as prototype, designs and has manufactured a diameter of 520mm and 800mm earth pressure balanced
Model shield pilot system, in view of this two model assay systems all carry out reduced scale cun with actual shield machine construction, thus maximum
It is disadvantageous in that：
3) for indoor model test, cost is far above this set system homemade shield machine model test apparatus.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is exactly to provide a kind of simulation shield stagewise to excavate
Assay device it is proposed that with 1:The shield prototype of 20 scale smaller, by the design of stagewise, thus consider three-dimensional soil
Body deforms, and with controlling shield machine using motor, it is convenient to run, and saves test period, employs the receipts of outer rigid housing simultaneously
Contracting prototype causes the purpose of ground loss moreover it is possible to control the ground loss and more of degree of precision to reach simulation shield machine and run
Plus the soil deformation of identical practical situation, it is that constructing tunnel provides truer, accurate experimental data with design, to ensure city
The efficient and safety that shield tunnel is built.
This utility model provide a kind of simulation shield stagewise excavate assay device, including several unit shield machines according to
Secondary be formed by connecting, each unit shield machine all includes drive control unit, Liang Ge rotating shrinking mechanism and outside framework, described driving
Control unit includes three motors, and connects worm gear screw rod, rear end connecting wire in each motor front end；Three
Motor is equidistantly secure around main shaft central authorities respectively by motor fixture；Outside framework is that eight arc-like sheets are sequentially connected
Composition, is connected by stator respectively between two neighboring arc-like sheet, and maintains between activity between two neighboring arc-like sheet
Gap；It is connected to rotating shrinking mechanism at the two ends of main shaft, rotating shrinking mechanism includes planetary gear, drive link, worm gear, interior
Gear, sun wheel, strip rotor, slide mechanism, rotary head；Planetary gear passes through to be driven worm and wheel and is connected, internal gear and planet
Gear is meshed, and the sun wheel being arranged on main shaft is meshed with planetary gear, and internal gear and strip rotor mid portion pass through to slide
Motivation structure is connected；The rotary head fixing with main shaft of strip rotor one end is flexibly connected, the strip rotor other end with housing is set
Stator on frame is flexibly connected.
Preferably, described rotary head is provided with 8 V-shaped groove mouths, 8 strip rotor one end correspond to respectively and are movably connected in 8
In individual V-shaped groove mouth.
Preferably, being connected by rubber Membrane cover between two neighboring unit shield machine.
Work process of the present utility model and operation principle are：Experiment soil box is installed and places this utility model test dress
Put, then carrying out bankets simulates actual soil pressure in true construction environment, and this assay device is buried in the earth, controlling
Under the control at end, assay device volume contracts, and realizes simulation ground loss phenomenon in tunneling for the shield machine.
Drive control unit：This assay device device utilizes multiple motors to drive, and motor rotates makes worm screw revolve
Transhipment is dynamic, drives worm gear, by worm gear and worm screw, kinetic energy is delivered on planetary gear, solid after motor stop motion for making
Determine volume and keep stable, be employed herein the self-locking performance of worm gear.Control end then can control every group of motor respectively, and one
Group motor controls the motion of a unit shield machine, makes assay device realize Discrete control.
Rotating shrinking mechanism：For changing the area of circular section, reach change cylinder volume to reach simulation shield soil
The purpose of loss, drives worm and gear motion by motor, transmits kinetic energy by the drive link being attached thereto and drives planet
Wheel makes internal gear rotate, and internal gear is connected with strip rotor groove makes rotor rotate, and so that central shaft is rotated, using length after rotation
Bar rotor rotates in central shaft circle centre position, so that the distance that the central shaft center of circle is fixed on strip rotor at outside framework is changed,
Because frictional force, under the various factors such as external force, outside framework hardly along significantly rotating counterclockwise, under force to
Contract, before and after rotation, the diameter of circular section there occurs change, so that the area in section changes therewith, by calculating requirement
For reducing 5%.Outside framework is then made up of eight arc-like sheets, and its seam crossing prevents from leading in sandy soil entrance seam using polymorphic structure
Stuck or can not shrink.
Assay device segmentation connects：Constituted one with one group of driver element, one group of rotating shrinking mechanism containing outside framework is combined
Individual unit shield machine, each unit shield machine is all connected respectively at control end, and control end can be made can to control respectively by particular order
The contraction of system unit shield machine, reaches the purpose of Discrete control, makes the data multistage that detection obtains, and produces similar to shield
Machine push ahead during ground loss simulation.Immediately below each unit shield machine, horizontal alignment and support meanss are all installed,
It is connected with rubber Membrane cover between unit shield machine and unit shield machine, so that each unit shield machine will not be offset, improve three-dimensional accuracy.
By the coordinate operation of above-mentioned assay device, make control end can control a unit shield machine respectively by particular order
Contraction, pick up ground loss and progressively carry out, realize for the full simulation being really ground loss in constructing tunnel, coordinate other prison
Survey equipment, be soil body delta data.
Compared with prior art, the beneficial effects of the utility model are：
1) use frame for movement, using rigid mechanical structure and shell, effective resistance to compression prevents deformation, makes data more smart
Really.
2) adopt Discrete control, more conform to the data variation in realistic simulation.
3) control of device can be controlled by computer or Electronic Control end completely, is easy to operate stable, can be preferably
Simulate multinomial experiment.
This utility model device, controls rotating shrinking amplitude using motor and gear, rotating shrinking easily controllable and
Stable, can first shrink and expand afterwards, simulation shield machine excavates the process of ground loss completely.
This utility model device adopts multiple unit shield machine combinations, can adjust unit shield machine quantity in multiple models
Carry out the simulation of different length in case, and combine between unit shield machine and unit shield machine conveniently.
This utility model device is simple and convenient, considers the impact to ground loss in running for the shield machine simultaneously,
Using motor control also can preferably carry out related indoor model test.
Brief description
Fig. 1 is side structure schematic view of the present utility model；
Fig. 2 is stereochemical structure one schematic diagram of the present utility model；
Fig. 3 is another schematic diagram of stereochemical structure of the present utility model；
Accompanying drawing marks：Outside framework 1, stator 2, internal gear 3, planetary gear 4, sun wheel 5, rotary head 6, long rotor 7, drive link
8, fix bar 9, worm gear 10, worm screw 11, motor fixture 12 motor 13, central shaft 15.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is made a detailed explanation.
As shown in Figures 1 to 3, this utility model provides a kind of being embodied as of assay device of simulation shield stagewise excavation
Example, is connected in sequence including several unit shield machines, and each unit shield machine all includes drive control unit, two rotations
Contracting mechanism and outside framework 1, described drive control unit includes three motors 13, and in each motor 13 front end
Connect worm gear 10 screw rod, rear end connecting wire；Three motors 13 by motor fixture 12 respectively equidistant retainer ring around
In main shaft central authorities；Outside framework 1 is that eight arc-like sheets are sequentially connected composition, passes through stator between two neighboring arc-like sheet respectively
2 connections, and maintain free gap between two neighboring arc-like sheet；It is connected to rotating shrinking mechanism at the two ends of main shaft,
Rotating shrinking mechanism includes planetary gear, drive link 8, worm gear 10, internal gear 3, sun wheel 5, strip rotor 7, slide mechanism, turns
6；Planetary gear is connected with worm gear 10 by drive link 8, and internal gear 3 is meshed with planetary gear, is arranged on the perseverance on main shaft
Star-wheel 5 is meshed with planetary gear 4, and internal gear 3 is connected by slide mechanism with strip rotor 7 mid portion；Strip rotor 7 one end
It is flexibly connected with fixing rotary head 6 on main shaft, strip rotor 7 other end is connected with stator 2 activity on setting outside framework 1
Connect.
Wherein：Described rotary head 6 is provided with 8 V-shaped groove mouths, and 8 strip rotor 7 one end correspond to respectively and are movably connected in 8 V
In shape notch.Connected by rubber Membrane cover between two neighboring unit shield machine.
Work process of the present utility model and operation principle are：Experiment soil box is installed and places this utility model test dress
Put, then carrying out bankets simulates actual soil pressure in true construction environment, and this assay device is buried in the earth, controlling
Under the control at end, assay device volume contracts, and realizes simulation ground loss phenomenon in tunneling for the shield machine.
Drive control unit：This assay device device is driven using multiple motors 13, and motor 13 rotates and makes snail
Bar 1111 rotary motion, is driven worm gear 10, by worm gear 10 and worm screw 1111, kinetic energy is delivered on planetary gear, for making driving
Fixed volume keep stable after motor 13 stop motion, is employed herein the self-locking performance of worm gear 10.Control end then can be distinguished
Control every group of motor 13, and the motion of one group of motor 13 one unit shield machine of control, make assay device realize dividing
Section controls.
Rotating shrinking mechanism：For changing the area of circular section, reach change cylinder volume to reach simulation shield soil
The purpose of loss, drives worm gear 10 worm screw 1111 to move by motor 13, transmits kinetic energy by the drive link 8 being attached thereto
Planetary gear 4 is driven so that internal gear 3 is rotated, internal gear 3 is connected with groove with strip rotor 7 makes rotor rotate, and rotates Hou Shi center
Axle 15 rotates, and is rotated in central shaft 15 circle centre position using strip rotor 7, makes central shaft 15 center of circle and strip rotor 7 fixing outside
Distance at framework 1 changes, because frictional force, under the various factors such as external force, outside framework 1 is hardly along big counterclockwise
Rotational motion, under force to contract, before and after rotation, the diameter of circular section there occurs change, so that section
Area changes therewith, is to reduce 5% by calculating requirement.Outside framework 1 is then made up of eight arc-like sheets, and its seam crossing is using abnormity
Structure prevents from leading to stuck in sandy soil entrance seam or can not shrink.
Assay device segmentation connects：Constituted one with one group of driver element, one group of rotating shrinking mechanism containing outside framework 1 is combined
Individual unit shield machine, each unit shield machine is all connected respectively at control end, and control end can be made can to control respectively by particular order
The contraction of system unit shield machine, reaches the purpose of Discrete control, makes the data multistage that detection obtains, and produces similar to shield
Machine push ahead during ground loss simulation.Immediately below each unit shield machine, horizontal alignment and support meanss are all installed,
It is connected with rubber Membrane cover between unit shield machine and unit shield machine, so that each unit shield machine will not be offset, improve three-dimensional accuracy.
By the coordinate operation of above-mentioned assay device, make control end can control a unit shield machine respectively by particular order
Contraction, pick up ground loss and progressively carry out, realize for the full simulation being really ground loss in constructing tunnel, coordinate other prison
Survey equipment, be soil body delta data.
The beneficial effects of the utility model are：
1 uses frame for movement, and using rigid mechanical structure and shell, effective resistance to compression prevents deformation, makes data more accurate.
2 adopt Discrete control, more conform to the data variation in realistic simulation.
The control of 3 devices can be controlled by computer or Electronic Control end completely, is easy to operate stable, can more preferable mould
Intend multinomial experiment.
This utility model device, controls rotating shrinking amplitude using motor 13 with gear, and rotating shrinking is easily controllable
And stable, can first shrink and expand afterwards, simulation shield machine excavates the process of ground loss completely.
This utility model device adopts multiple unit shield machine combinations, can adjust unit shield machine quantity in multiple models
Carry out the simulation of different length in case, and combine between unit shield machine and unit shield machine conveniently.
This utility model device is simple and convenient, considers the impact to ground loss in running for the shield machine simultaneously,
Using motor 13 control and also can preferably carry out related indoor model test.
It is emphasized that：The above is only preferred embodiment of the present utility model, not this utility model is appointed
What pro forma restriction, every any simple modification above example made according to technical spirit of the present utility model, etc.
With change and modification, all still fall within the range of technical solutions of the utility model.
Claims (3)
1. the assay device that a kind of simulation shield stagewise is excavated connects successively it is characterised in that including several unit shield machines
Connect and form, each unit shield machine all includes drive control unit, Liang Ge rotating shrinking mechanism and outside framework, described drive control
Unit includes three motors (13), and connects worm gear screw rod, rear end connecting wire in each motor (13) front end；
Three motors (13) are equidistantly secure around main shaft central authorities respectively by fixture；
Outside framework is that eight arc-like sheets are sequentially connected composition, passes through stator (2) respectively and connect between two neighboring arc-like sheet,
And maintain free gap between two neighboring arc-like sheet；
It is connected to rotating shrinking mechanism at the two ends of main shaft, rotating shrinking mechanism includes planetary gear, drive link, worm gear
(10), internal gear (3), sun wheel (5), strip rotor (7), slide mechanism, rotary head (6)；
Planetary gear passes through transmission worm and wheel (10) and is connected, and internal gear (3) is meshed with planetary gear, is arranged on main shaft
Sun wheel (5) is meshed with planetary gear (4), and internal gear (3) is connected by slide mechanism with strip rotor (7) mid portion；Long
Bar rotor (7) one end is flexibly connected with fixing rotary head (6) on main shaft, on strip rotor (7) other end and setting outside framework
Stator (2) be flexibly connected.
2. a kind of simulation shield stagewise according to claim 1 is excavated assay device is it is characterised in that described turn
Head (6) is provided with 8 V-shaped groove mouths, and 8 strip rotor (7) one end correspond to respectively and are movably connected in 8 V-shaped groove mouths.
3. a kind of simulation shield stagewise according to claim 1 is excavated assay device is it is characterised in that adjacent two
Connected by rubber Membrane cover between individual unit shield machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957846.9U CN205982264U (en) | 2016-08-26 | 2016-08-26 | Test device of simulation shield constituent segmentation excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957846.9U CN205982264U (en) | 2016-08-26 | 2016-08-26 | Test device of simulation shield constituent segmentation excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982264U true CN205982264U (en) | 2017-02-22 |
Family
ID=58037838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620957846.9U Withdrawn - After Issue CN205982264U (en) | 2016-08-26 | 2016-08-26 | Test device of simulation shield constituent segmentation excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198931A (en) * | 2016-08-26 | 2016-12-07 | 浙江大学城市学院 | A kind of assay device simulating shield stagewise excavation |
-
2016
- 2016-08-26 CN CN201620957846.9U patent/CN205982264U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198931A (en) * | 2016-08-26 | 2016-12-07 | 浙江大学城市学院 | A kind of assay device simulating shield stagewise excavation |
| CN106198931B (en) * | 2016-08-26 | 2018-06-08 | 浙江大学城市学院 | A kind of experimental rig simulated shield segmented and excavated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Gang Inventor after: Zhang Jia Inventor after: Song Youzheng Inventor after: Zhu Tianyu Inventor after: Cui Chenghong Inventor after: Xu Xun Inventor after: Cai Shiqi Inventor after: Hong Zihan Inventor after: Wang Xiao Inventor after: Yu Guohua Inventor after: Jiang Wanqing Inventor before: Wei Gang Inventor before: Zhu Tianyu Inventor before: Cui Chenghong Inventor before: Xu Xun Inventor before: Cai Shiqi Inventor before: Hong Zihan Inventor before: Other inventor requests not to publish the name |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180608 |