CN100582727C - Torsional moment and force loading unit for shield excavation simulation - Google Patents

Torsional moment and force loading unit for shield excavation simulation Download PDF

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Publication number
CN100582727C
CN100582727C CN200810106139A CN200810106139A CN100582727C CN 100582727 C CN100582727 C CN 100582727C CN 200810106139 A CN200810106139 A CN 200810106139A CN 200810106139 A CN200810106139 A CN 200810106139A CN 100582727 C CN100582727 C CN 100582727C
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CN
China
Prior art keywords
loading
simulation
disc
power
frame
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CN200810106139A
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Chinese (zh)
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CN101285386A (en
Inventor
唐晓强
王立平
邓孔书
冯平法
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清华大学
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Priority to CN200810106139A priority Critical patent/CN100582727C/en
Publication of CN101285386A publication Critical patent/CN101285386A/en
Application granted granted Critical
Publication of CN100582727C publication Critical patent/CN100582727C/en

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Abstract

The invention discloses a torque and force loading device for shield tunneling simulation, belonging to the tunnel engineering technical field. The device comprises a frame, a simulation shield head, a loading disc and a slide rail fixed on the frame. The simulation shield head is arranged on the left end of the frame. A force bearing projection is arranged on a cylinder-shaped lateral surface at the right end of the simulation shield head. The loading disc is arranged on the right end of the frame and is slidably connected with the slide rail. The right end of the loading disc is fixedly connected with a lead screw which passes through the frame to be connected with a reduction device and an electric motor in sequence. A loading projection is fixed on the cylinder-shaped lateral surface at the left end of the loading disc. A force loading unit which passes through the loading projection is arranged on the loading projection. When the simulation shield head is contacted with the loading disc, an end surface of the force loading unit is contacted with the force bearing projection on the simulation shield head. Force loading units which pass through the loading disc along the axial direction are uniformly arranged on the loading disc along the circumferential direction. The device realizes tunneling simulation of the shield under different working conditions by adjusting the force loading units on a force loading system and a torque loading system.

Description

A kind of moment of torsion and force loading device that is used for shield excavation simulation
Technical field
The invention belongs to the Tunnel Engineering technical field, the particularly a kind of charger that can simulate suffered moment of torsion and power in the large-scale shield driving process.
Background technology
Building the tunnel with shield method utilizes the cutterhead rotary cutting soil body exactly and promotes shield machine by lifting jack and advance, therefore, cutterhead and propulsion system are the critical components in the shield machine, to the computational analysis of cutter disc torque and jack thrust, are the prerequisites that guarantees that the shield structure cuts smoothly, advances.
Shield machine is a kind of unconventional large-scale engineering machinery, and problem is much and very complicated, is not enough by theoretical analysis and calculation merely, depends on experimental study; On the other hand, because its cost is very high, is not easy to build material object and tests, adopting the reduced scale test to study is a kind of selection preferably.
Warp is found the prior art literature search, Japanese patent of invention JP8-29297, and name is called: a kind of shield driving centrifugal model test device and test method.Domestic patent: CN1619281A, name is called: the soil box for analogue of simulation shiold tunnelling machine testing.These patents are primarily aimed at the digging process of shield structure, build the soil box that can experimentize.Though these simulation soil body apparatus owing to will consider all multifactor of soil, make the complex structure of package unit more near the soil layer in the reality, cost also increases with regard to corresponding simultaneously.
Summary of the invention
The objective of the invention is on the basis of not building soil box, a kind of mechanical hook-up that is used for large-scale shield excavation simulation moment of torsion and power loading is provided, to solve under different working conditions, large-scale shield driving process is subjected to the simulation of power and moment of torsion simultaneously.
To achieve these goals, the present invention has taked following technical scheme.This charger includes frame, simulation shield head, loading disc and is fixed on slide rail on the frame.Wherein, simulation shield head is arranged on the left end of frame, and the cylindrical lateral surface of simulation shield head right-hand member is provided with stressed projection.Loading disc is arranged in the right-hand member of frame and is slidingly connected with slide rail, and the axis of the axis of loading disc and simulation shield head point-blank; The right-hand member of loading disc is fixedlyed connected with leading screw, leading screw passes frame and is connected with reduction gear, reduction gear is connected with motor, be fixed with loaded projections on the cylindrical lateral surface of loading disc left end, loaded projections is provided with the first power loading unit through loaded projections, when simulation shield head contacted with loading disc, the end face of the first power loading unit contacted with stressed projection on simulating the shield head; On loading disc, along the circumferential direction also evenly be furnished with vertically the second power loading unit through loading disc.
The described first power loading unit or the second power loading unit include set gradually from left to right with slide glass, pressure transducer, loading spring and setting nut; Wherein: loading spring withstands on right-hand member with slide glass by pressure transducer, and the power setting nut withstands on the right-hand member of power loading spring.
Described number through the second power loading unit of loading disc of along the circumferential direction evenly arranging on loading disc is 4~12.
Described loaded projections is along two of the circumferencial direction symmetric arrangement of loading disc.
Displacement transducer also is installed on the described reduction gear.
Compared with prior art, charger provided by the present invention has following effect:
1) charger include frame, loading disc, be installed in one on loading disc cover power loading unit and a cover moment of torsion loading unit, linear motion system.Motion by the control loaded dish realizes the power of simulation shield head is loaded, and it is simple in structure;
2) realize the driving simulation of shield structure under different operating modes with the power loading unit on the torque loading system by regulating force loading system, easy and simple to handle;
3) charger needn't be built the entity soil box, has reduced cost and measuring error.
Description of drawings
Fig. 1 structural representation of the present invention
Fig. 2 power loading unit of the present invention structural representation
Fig. 3 effect structure figure of the present invention
Fig. 4 effect structure figure two of the present invention
Among the figure: 1, simulation shield head, 2, the power loading unit, 3, loading disc, 4, leading screw, 5, reduction gear, 6, displacement transducer, 7, motor, 8, frame, 9, loaded projections, 10, stressed projection, 11, slide rail, 12, web member
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described.
As shown in Figure 1, present embodiment mainly includes loading disc 3, is installed in the cover of one on the loading disc 3 power loading unit, a cover moment of torsion loading unit and a linear motion system.Concrete structure includes frame 8, loading disc 3, simulation shield head 1 as shown in Figure 1.Simulation shield head 1 is arranged in the left end of frame 8, and loading disc 3 is arranged in the right-hand member of frame 8.Also be fixed with a pair of horizontal slide rail 11 on the frame 8, the web member 12 that is fixed on the loading disc both sides is enclosed within the outside surface of slide rail, and loading disc can be slided along slide rail, and the axis of the axis of loading disc 3 and simulation shield head 1 point-blank.Be fixed with a pair of stressed projection 10 on the cylindrical lateral surface of the close right-hand member of simulation shield head 1, a pair of stressed projection 10 is arranged symmetrically on the cylindrical lateral surface of simulation shield head 1.The right-hand member of loading disc 3 is fixedlyed connected with screw mandrel 4, and reduction gear 5 and motor 7, installation position displacement sensor 6 on the reduction gear 5 are installed on the frame 8.Leading screw 4 passes frame 8, and its right-hand member is connected with reduction gear 5, and reduction gear 5 is connected with motor 10.On loading disc 3, along the circumferential direction evenly be furnished with 2, four power loading units 2 of four power loading units vertically through loading disc 3.As shown in Figure 2, power loading unit 2 comprises strong loading sheet 13, pressure transducer 14, power loading spring 15 and power setting nut 16.Wherein: loading spring 15 withstands on right-hand member with slide glass 13 by pressure transducer 14, and power setting nut 16 withstands on the right-hand member of power loading spring 15.Pass the left side of loading disc 3 with slide glass 13 in the power loading unit 2, be used for contacting, its loading force with simulation shield head 1.
Symmetric arrangement has a pair of loaded projections 9 of stretching out loading disc 3 left sides on the cylindrical lateral surface of loading disc 3 left ends, all is furnished with the power loading unit 2 through loaded projections 9 on each loaded projections 9.When the right side of simulation shield head 1 contacted with the left side of loading disc 3, contacting with the side of stressed projection with slide glass on the power loading unit 2 was used for simulation shield head is applied moment of torsion.
When impacting loading, as shown in Figure 3, the power loading unit of regulating in advance on the loading disc 32 requires required power scope to simulation, drives 3 pairs of simulations of loading discs shield head 1 by control motor 7 then and impacts loading.
When power loads, as shown in Figure 4, the power loading unit of regulating in advance on the loading disc 32 requires required power scope and torque range to simulation, starter motor 7, motor 7 drives reducer casing 5, and reducer casing 5 drives screw mandrel 4 rectilinear motions, and screw mandrel 4 and loading disc 3 be rectilinear motion together, what make power loading unit 2 on the loading disc 3 contacts generation power and moment of torsion with slide glass 13 with the front of simulation shield head 1 and the stressed projection 10 of simulation shield head 1 side.According to the motion of simulation shield head 1, the motion of controlling and driving motor 7 is to realize the power loading to simulation shield head 1.
As shown in Figure 2, regulate power setting nut 16 during loading or to the right left, loading spring 15 is compressed or loosen, power loading unit 2 pretightning forces, record by pressure transducer 14, force of compression loading spring 15 can produce pressure on the simulation shield head 1 when power acts on slide glass 13, and the size of pressure is by force transducer 14 The real time measure.Power loading unit 2 produces along loading disc 3 faces of cylinder and closes moment of torsion, and power loading unit 2 produces linear direction along the lateral circumferential face and makes a concerted effort.

Claims (4)

1, a kind of moment of torsion and force loading device that is used for shield excavation simulation is characterized in that: include frame (8), simulation shield head (1), loading disc (3) and be fixed on slide rail (11) on the frame (8); Wherein, simulation shield head (1) is arranged in the left end of frame (8), and the cylindrical lateral surface of simulation shield head (1) right-hand member is provided with stressed projection (10); Loading disc (3) is arranged in the right-hand member of frame (8) and is slidingly connected with slide rail (11), and the axis of the axis of loading disc (3) and simulation shield head (1) point-blank; The right-hand member of loading disc (3) is fixedlyed connected with leading screw (4), leading screw (4) passes frame (8) and is connected with reduction gear (5), reduction gear is connected with motor (7), be fixed with loaded projections (9) on the cylindrical lateral surface of loading disc (3) left end, loaded projections (9) is provided with the first power loading unit through loaded projections (9), when simulation shield head (1) and loading disc (3) when contacting, the end face of the first power loading unit contacts with stressed projection (10) on simulating shield head (1); On loading disc (3), along the circumferential direction also evenly be furnished with vertically the second power loading unit through loading disc (3);
The described first power loading unit or the second power loading unit include set gradually from left to right with slide glass (13), pressure transducer (14), loading spring (15) and power setting nut (16); Wherein: loading spring (15) withstands on right-hand member with slide glass (13) by pressure transducer (14), and power setting nut (16) withstands on the right-hand member of power loading spring (15).
2, a kind of moment of torsion and force loading device that is used for shield excavation simulation according to claim 1 is characterized in that: described number through the second power loading unit of loading disc (3) of along the circumferential direction evenly arranging on loading disc (3) is 4~12.
3, a kind of moment of torsion and force loading device that is used for shield excavation simulation according to claim 1 is characterized in that: described loaded projections (9) is along two of the circumferencial direction symmetric arrangement of loading disc (3).
4, a kind of moment of torsion and force loading device that is used for shield excavation simulation according to claim 1 is characterized in that: displacement transducer (6) also is installed on the described reduction gear (5).
CN200810106139A 2008-05-09 2008-05-09 Torsional moment and force loading unit for shield excavation simulation CN100582727C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810106139A CN100582727C (en) 2008-05-09 2008-05-09 Torsional moment and force loading unit for shield excavation simulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810106139A CN100582727C (en) 2008-05-09 2008-05-09 Torsional moment and force loading unit for shield excavation simulation

Publications (2)

Publication Number Publication Date
CN101285386A CN101285386A (en) 2008-10-15
CN100582727C true CN100582727C (en) 2010-01-20

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Application Number Title Priority Date Filing Date
CN200810106139A CN100582727C (en) 2008-05-09 2008-05-09 Torsional moment and force loading unit for shield excavation simulation

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156041B (en) * 2011-03-15 2012-10-10 清华大学 Force loading device
CN102393270B (en) * 2011-08-09 2014-06-11 上海交通大学 Development machine compliance design experiment device
CN102607825B (en) * 2011-12-26 2014-04-16 北京航空航天大学 Moment load simulator
CN103437771B (en) * 2013-07-29 2015-06-03 同济大学 Indoor model test device capable of simulating slurry balance shield construction and use method thereof
CN103512745B (en) * 2013-10-12 2016-05-11 无锡创明传动工程有限公司 A kind of torque loading mechanism
CN103575522B (en) * 2013-11-12 2015-09-23 浙江大学 Mole cutterhead analog loading device
CN104280227B (en) * 2014-09-16 2016-08-17 大连理工大学 Full face rock tunnel boring machine cutterhead reduced scale testing stand and method for designing
CN104807663B (en) * 2015-04-23 2017-06-20 天津大学 A kind of loading device of simulation TBM construction operation real working condition experimental benches
CN108445088B (en) * 2018-02-10 2021-02-19 浙江理工大学 Axial force loading device for elastic wave detection and elastic wave detection system
CN109083648B (en) * 2018-08-23 2019-04-16 山东大学 Model test intersects hidden cavern excavation manipulator and method
CN109973103B (en) * 2019-03-22 2020-04-14 东北大学 Shield simulation test device with adjustable angle
CN110242309B (en) * 2019-06-03 2021-03-23 义乌工商职业技术学院 Model test device for simulating shield tunneling machine tunneling

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