CN106323750A - Variable ground pressure tunnel excavating load experiment platform - Google Patents
Variable ground pressure tunnel excavating load experiment platform Download PDFInfo
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- CN106323750A CN106323750A CN201610634337.7A CN201610634337A CN106323750A CN 106323750 A CN106323750 A CN 106323750A CN 201610634337 A CN201610634337 A CN 201610634337A CN 106323750 A CN106323750 A CN 106323750A
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- assembly
- crag
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
Abstract
A variable ground pressure tunnel excavating load experiment platform comprises a bottom plate, a simulated rock assembly is arranged on the bottom plate, and the bottom of the simulated rock assembly is supported through a supporting mechanism; one side of the simulated rock assembly is provided with a hydraulic cylinder propulsion mechanism for loading the simulated rock assembly, and the other side of the simulated rock assembly is provided with an excavation cutting propulsion mechanism for cutting the simulated rock assembly, so that the similarity experiments of the operating load conditions of a heading machine in the variable ground pressure surrounding rock excavation process are conducted, the research on the load dynamic characteristics of an excavation cutting device in the excavation process is carried out, the force transmission characteristics qualitative analysis of the excavation cutting propulsion mechanism in the loading excavation process is achieved so as to verify the dynamics analysis design scheme of the heading machine under the load-change working condition.
Description
Technical field
The present invention relates to coal mining tunnelling engineering technical field, press tunnelling to bear with particularly relating to a kind of change
Carry laboratory table.
Background technology
In coal mine roadway speedy drivage construction operation, development machine is in tunneling process, and geological stratification is due to rock mass density, lane
Road tunnelling footage, the change of geological conditions characteristic, driving face crustal stress load is distributed and size can be undergone mutation, development end
The phenomenons such as country rock crustal stress significantly changes, and easily causes development machine stall, and excavation operation speed is slow, have a strong impact on building of mine
If speed.In order to avoid development machine in the face of becoming presses fault rate height during country rock operation, poor reliability, efficiency in tunneling process
Low inferior problem, needs the complete machine dynamics caused development machine due to crustal stress change in country rock driving cutting course
Carrying out system test, this is necessary for considering development machine force transfering characteristic in differently stress country rock work surface cutting course,
Development machine is carried out kinetic profile design.
Complete the weighted load specificity analysis to development machine, need in laboratory, carry out being subject to of development machine tunneling process
Power load similarity experiment, test its under different geological conditions, when crustal stress changes, become ground compressive load simulation add
The temperature variation data during work of the pressure delta data of mounted mechanism three-dimensional force transducer, cut reductor and tunneling machine cutting electricity
The change in torque data etc. of machine.Therefore, a kind of tunneling machine cutting load characteristic being applicable to press tunnel speedy drivage with becoming is developed
The development machine complete machine of Mei Ji manufacturing enterprise is pressed driving kinetic test significant by test experiments platform with becoming.
Summary of the invention
The problem existed for prior art, the present invention provides one development machine can pressed country rock tunneling process with becoming
In operation load behavior carry out similarity experiment, the driving load power characteristic that is equipped in tunneling process of cut is ground
Press to the change studied carefully tunnelling load test platform.
To achieve these goals, the present invention adopts the following technical scheme that
Tunnelling load test platform is pressed on a kind of ground that becomes, and including base plate, described base plate is provided with simulation crag assembly, institute
The bottom stating simulation crag assembly is propped up by supporting mechanism, and the side of described simulation crag assembly is provided with hydraulic cylinder pusher
Structure, described hydraulic cylinder propulsive mechanism includes the first hydraulic cylinder being articulated with on column, and described column is fixed on described base plate, described
The external part of the first hydraulic cylinder is held in the end face of described simulation crag assembly, described simulation rock by the first spherical support assembly
The first three-dimensional force transducer, the opposite side of described simulation crag assembly it is provided with between wall assembly and described first spherical support assembly
Being provided with driving cut propulsive mechanism, described driving cut propulsive mechanism includes walk assembly and cut assembly, described walking assembly
Including the base being fixed on described base plate, described base is provided with tooth bar, and described tooth bar is arranged over gear and described tooth bar
Being meshed, described gear is driven by the first motor, and the gear shaft of described gear is fixed on Mobile base, by described first motor
Driving described gear to move along described tooth bar, drive described Mobile base to move relative to described base, described cut assembly is arranged at
On described Mobile base, described cut assembly include for described in cut simulate crag assembly cutterhead, described cutterhead away from
The side of described simulation crag assembly is connected to reductor, and described reductor is provided with temperature sensor, the end of described reductor
End is connected to the second motor, is provided with torque sensor, by described second motor between described second motor and described reductor
Driving described cutterhead to rotate cut, be provided with act and stretch hydraulic cylinder between described cut assembly and described walking assembly, described act is stretched
One end of hydraulic cylinder is articulated with described reductor, and the other end is articulated with described Mobile base.
Further, described simulation crag assembly includes cylinder experiment crag and contains the cylindric gold of described experiment crag
Belong to shell body, described experiment crag stirred in specific proportions with water by cement, rock mass, coal sample, resin, firming agent pour solidifying
Tie in described metal shell body.
Further, described metal shell body is arranged over hanger, for described simulation crag assembly is lifted into corresponding position
Put.
Further, described first spherical support assembly includes the first spherical support being connected to described first cylinder ends
Part, and it is connected to the first spherical support seat of described first three-dimensional force transducer one end, described first three-dimensional force transducer
The other end is connected to the end face of described simulation crag assembly, and described first spherical support part is arranged at described first spherical support seat
In.
Further, described supporting mechanism includes that spring damper and rubber idler assembly, described rubber idler assembly include
Supporting deck and be sheathed on the rubber idler of described support deck, described rubber idler is supported in described simulation crag assembly, institute
Described base plate is fixed in the bottom stating spring damper, and bolted splice is passed through in the end of described rubber idler in top.
Further, also include that inclined shore is in a support component of described simulation crag assembly perisporium, described support component bag
Including the first support seat being fixed on described base plate, one end is articulated with the described first the second hydraulic cylinder supporting seat, described second liquid
The other end of cylinder pressure is articulated with the second spherical support assembly, and described second spherical support assembly is by the second three-dimensional force transducer even
Being connected to the second support seat, described second supports seat supports in the perisporium of described simulation crag assembly, described second spherical support group
The structure of part is identical with the structure of described first support component.
Further, described support component is provided with two, lays respectively at described simulation crag assembly both sides radially, relative to
The axisymmetrical of described simulation crag assembly is arranged.
Further, described first three-dimensional force transducer, described second three-dimensional force transducer, described temperature sensor and described
Torque sensor is all connected to control system, described control system be also attached to described first hydraulic cylinder, described second hydraulic cylinder,
Hydraulic cylinder is stretched in described first motor, described second motor and described act, and described control system is used for receiving described first three axis force
Sensor, described second three-dimensional force transducer, described temperature sensor and the power of described torque sensor collection, temperature, moment of torsion
Data, and control described first hydraulic cylinder, described second hydraulic cylinder, described first motor, described second motor and described act and stretch
The execution of hydraulic cylinder.
Further, described first motor is connected to described gear shaft, described gear and described gear by two stage reducer
Axle is connected by flat key, is connected by universal joint between described gear shaft with described two stage reducer.
Further, described second motor is connected to the 3rd support seat away from one end of described reductor, and the described 3rd supports
Seat bottom be fixed on described Mobile base, top is hinged with described 3rd motor, when described act stretch hydraulic cylinder act stretch time, described
The hinge point that reductor is lifted around described 3rd motor rotates, to drive described cutterhead pitching cut.
Beneficial effects of the present invention:
Being loaded simulation crag assembly by hydraulic cylinder propulsive mechanism, driving cut propulsive mechanism is to simulation crag group
Part tunnels, to press the operation load behavior in country rock tunneling process to carry out similarity experiment, to pick with becoming development machine
Enter the load power characteristic that cut is equipped in tunneling process to study, it is achieved driving cut propulsive mechanism tunneled in load
The qualitative analysis of force transfering characteristic in journey, tests the dynamic analysis design of development machine under live load working condition
Card.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention presses tunnelling load test platform with becoming；
Fig. 2 is the structural representation of hydraulic cylinder propulsive mechanism in Fig. 1；
Fig. 3 is the structural representation tunneling cut propulsive mechanism in Fig. 1；
In figure, 1 base plate, 2 columns, 3 simulation crag assembly, 4 metal shell bodies, 5 hangers, 6 first liquid
Cylinder pressure, 7 first spherical support parts, 8 first spherical support seats, 9 first three-dimensional force transducers, 10 first support seats,
11 second hydraulic cylinders, 12 second spherical support parts, 13 second spherical support seats, 14 second three-dimensional force transducers,
15 second support seats, 16 spring dampers, 17 rubber idler assemblies, 18 bases, 19 tooth bars, 20 gears,
21 gear shafts, 22 flat keys, 23 first motors, 24 two stage reducers, 25 universal joints, 26 Mobile bases, 27 sections
Cut head, 28 pars contractilis, 29 reductors, 30 temperature sensors, 31 lift stretch hydraulic cylinder, 32 second motors, 33 turn round
Square sensor, 34 the 3rd support seats.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that refer to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, the technical scheme between each embodiment can
To be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs
Conflicting will be understood that the combination of this technical scheme does not exists, the most not at the protection model of application claims when maybe cannot realize
Within enclosing.
Such as Fig. 1, the present invention presses tunnelling load test platform with providing a kind of change, including base plate 1 and be arranged on base plate 1
Simulation crag assembly 3, simulation crag assembly 3 bottom prop up by supporting mechanism, simulate crag assembly 3 side be provided with liquid
Cylinder pressure propulsive mechanism, opposite side is provided with driving cut propulsive mechanism, is carried out simulation crag assembly by hydraulic cylinder propulsive mechanism
Load, and by driving cut propulsive mechanism, simulation crag assembly is tunneled, to press country rock to tunnel with becoming development machine
During operation load behavior carry out similarity experiment.
Simulation crag assembly 3 includes the cylinder experiment crag of mechanics and variable hardness and contains the cylindrical shape of experiment crag
Metal shell body 4, experiment crag stirred in specific proportions with water by cement, rock mass, coal sample, resin, firming agent pour solidifying
Tie in metal shell body 4.Metal shell body 4 connection fixed above hanger 5, for being lifted into correspondence by simulation crag assembly 3
Position, during experiment, lifts the state for erecting by hanger 5 by the simulation crag assembly 3 of horizontal positioned, and supporting mechanism is supported in
The bottom of simulation crag assembly 3.
Supporting mechanism includes spring damper 16 and rubber idler assembly 17, rubber idler assembly 17 include support deck and
Being sheathed on the rubber idler supporting deck top, rubber idler is supported in simulation crag assembly 3, supports the middle part of deck by propping up
Seat is fixed on base plate 1, and base plate 1 is fixed in the bottom of spring damper 16, and bolted splice is passed through in the end of rubber idler in top
Portion, by spring damper 16 and rubber idler assembly 17, can erect simulation crag assembly 3, and position, it is ensured that circle
Simulation crag assembly 3 positioning stablity of cylindricality, it is ensured that experiment effect, and spring damper 16 can play slow in experimentation
The effect that punching and auxiliary support.
Such as Fig. 1 and Fig. 2, the side edge of base plate 1 is fixed with column 2, and the top of column 2 is provided with multiple hydraulic cylinder and advances
Mechanism, in the present embodiment, it is movable with simulation crag assembly 3 respectively that the top of column 2 is hinged with four hydraulic cylinder propulsive mechanisms
Connect.Each hydraulic cylinder propulsive mechanism includes the first hydraulic cylinder 6 being articulated with on column 2, and the external part of the first hydraulic cylinder 6 passes through
First spherical support assembly is held in the end face of simulation crag assembly 3, between simulation crag assembly 3 and the first spherical support assembly
It is provided with the first three-dimensional force transducer 9.First spherical support assembly includes the first sphere being movably connected on the first hydraulic cylinder 6 end
Support member 7, and it is connected to the first spherical support seat 8 of first three-dimensional force transducer 9 one end, the first three-dimensional force transducer 9
The other end is connected to simulate the end face of crag assembly 3, and the first spherical support part 7 is arranged to be stated in the first spherical support seat 8, passes through
Simulation crag assembly 3 can persistently be loaded by the first hydraulic cylinder 6 and spherical support assembly, the first hydraulic cylinder 6 controlled loading power
Size, the first three-dimensional force transducer 9 is used for detecting loading force.
The perisporium both sides of simulation crag assembly 3 are additionally provided with a support component, and what a support component tilted is supported in simulation crag group
On the perisporium of part 3, in the present embodiment, a support component is provided with two, lays respectively at simulation crag assembly 3 both sides radially, phase
Axisymmetrical for simulation crag assembly 3 is arranged, by two support components, simulation crag assembly 3 is played side holding
Effect, prevents simulating crag assembly 3 and rolls.Each support component includes the first support seat 10 being fixed on base plate 1, and first supports
One end of seat 10 is hinged with the second hydraulic cylinder 11, and in the present embodiment, the second hydraulic cylinder 11 and the first hydraulic cylinder 6 are flange-type
Hydraulic cylinder.One end of second hydraulic cylinder 11 is articulated with the first support seat 10, and the other end is articulated with the second spherical support assembly, and second
Spherical support assembly is connected to the second support seat 15 by the second three-dimensional force transducer 14, and second supports seat 15 is supported in simulation rock
The perisporium of wall assembly 3, in the present embodiment, the second support seat 15 is supported in the surface of simulation crag assembly 3 perisporium and is also configured as
Circular arc, corresponding with simulation crag assembly 3 shape.The structure of the second spherical support assembly and the structure phase of first support component
With, including being connected to the second spherical support part 12 of the second hydraulic cylinder 11 end, and it is connected to the second three-dimensional force transducer 14
The second spherical support seat 13 of one end, the other end of the second three-dimensional force transducer 14 is articulated with the second support seat 15, the second sphere
Support member 12 is arranged in the second spherical support seat 13.By support component the perisporium of simulation crag assembly 3 is supported and
Clamping, prevents simulating crag assembly 3 and is axially moveable, it is ensured that the stress on it is the most axial in experimentation and deformation.
Such as Fig. 1 and Fig. 3, driving cut propulsive mechanism includes that walk assembly and cut assembly, walking assembly are arranged at base plate 1
On, it is positioned at the lower section of cut assembly, is used for driving cut assembly to advance with cut and simulates crag assembly 3.
Walking assembly includes the base 18 being fixed on base plate 1, and base 18 is fixed with tooth bar 19, movable on base 18
Connecting and have Mobile base 26, be provided with the first motor 23 in Mobile base 26, the first motor 23 is connected to gear by two stage reducer 24
Axle 21, gear 20 is installed on gear shaft 21, and gear 20 is connected by flat key 22 with gear shaft 21, it is ensured that both transport jointly
Dynamic, it is connected by universal joint 25 between gear shaft 21 with two stage reducer 24.Gear 20 is meshed with the tooth bar 19 on base 18,
Gear shaft 21 is then fixed on Mobile base 26, is rotated by the first motor 23 driven gear 20, then gear 20 moves along tooth bar 19,
Owing to gear shaft 21 is fixed on Mobile base 26, and gear 20 is relatively fixed with gear shaft 21, therefore at gear 20 along tooth bar 19
Time mobile, Mobile base 26 respect thereto 18 can be driven to move.
Cut assembly is arranged on Mobile base 26, and when Mobile base 26 is driven mobile, cut assembly moves.Cut
Assembly includes the cutterhead 27 for cut simulation crag assembly, and the rear end of cutterhead 27 is connected to reductor by pars contractilis 28
29, reductor 29 is provided with temperature sensor 30, and for detecting the temperature change of reductor 29, the rear end of reductor 29 is even
It is connected to the second motor 32, between the second motor 32 and reductor 29, is provided with torque sensor 33, for monitoring the second motor 32
Torque and rotation speed change, drive cutterhead 27 to rotate cut by the second motor 32.The rear end of the second motor 32 is connected to the 3rd
Supporting seat 34, Mobile base 26 is fixed in the 3rd bottom supporting seat 34, and top is hinged with the 3rd motor 32, cut assembly and row
Walking to be provided with between assembly act and stretch hydraulic cylinder 31, act is stretched one end of hydraulic cylinder 31 and is articulated with reductor 29, and the other end is articulated with movement
Seat 26, when act stretch hydraulic cylinder 31 lift stretch time, reductor 29 is lifted hinge point around the 3rd motor 32 rear end and rotates, to drive
Cutterhead 27 carries out pitching cut.
9, two the second three-dimensional force transducers 14 of aforementioned four the first three-dimensional force transducer, temperature sensor 30 and moment of torsion pass
Sensor 33 is all connected to control system, control system be also attached to first hydraulic cylinder the 6, second hydraulic cylinder the 11, first motor 23,
Two motors 32 and lift stretch hydraulic cylinder 31, control system for receive first three-dimensional force transducer the 9, second three-dimensional force transducer 14,
Temperature sensor 30 and the power of torque sensor 33 collection, temperature, torque data, and control the first hydraulic pressure after data process
The execution action of hydraulic cylinder 31 is stretched in cylinder the 6, second hydraulic cylinder the 11, first motor the 23, second motor 32 and act, to realize development machine
Pressing the operation load behavior in country rock tunneling process to carry out similarity experiment with becoming, driving cut is being equipped in tunneling process
Load power characteristic study.
The work process of the present invention is: before testing, it is ensured that the plane at base plate 1 place is horizontal, by control
System the first motor 23 processed and the second motor 32 are driven, and make cutterhead 27 at a slow speed near simulation crag assembly 3, by the time cut
27 when coming in contact cut with simulation crag assembly 3 approximation, the rotating speed and first to first hydraulic cylinder the 6, second motor 32
The speed of travel of motor 23 is adjusted, and differently presses the experiment of characterisitic parameter and driving cut parameter；After experiment terminates,
Preserve test data of experiment, respectively the gear 20 of the first hydraulic cylinder 6 and walking assembly is return initial position and closed power supply.
During the pick of actual development machine is dug, driving face ground pressure non-constant value, have a strong impact on the work effect of development machine
Rate.The change ground pressure tunnelling load test platform of present invention design is that rock-soil material under the conditions of differently pressure is carried out driving by one
The mechanical system of experiment, is possible not only to the dynamic transfer characteristics of digging device cutting mechanism in the case of intricately pressure and operation work
Condition carries out detection and similarity simulation experiment, it is achieved the dynamical property analysis of cutting mechanism for heading machine, can be widely applied to lane
The kinetics scientific experiments research of road driving cutting mechanism；And can realize cutterhead 27 in ground tunneling process cut deep,
The tunnelling excavation technology parameters such as speed of gyration carry out confirmatory test and optimization.
It is simulated testing below for different working conditions:
Embodiment 1
With common complex geological condition i.e. weak soil and hard rock ratio in coal mining tunnelling construction as 3:7, choosing
Select the initial field stress pressure needing to load, and realize differently should according to the crustal stress change curve set by control system
The loading of power process in time.Utilize the first hydraulic cylinder 6 that simulation crag assembly 3 is carried out pressure-loaded；By the first three axis force
Roadway surrounding rock crustal stress condition in sensor 9 and the second three-dimensional force transducer 14 feedback test digital simulation tunneling process；Logical
Excess temperature sensor 30 records under set construction environment, the temperature change of reductor 29, draws temperature variation curve；Logical
Torque and the change of rotating speed of the second motor 32 monitored by over torque sensor 33, to test data detect, record with
Statistics, analyzes development machine weighted load situation in the case of pressing with becoming in tunneling process, analyzes and becomes ground pressure tunnelling process
In development machine dynamics.
Embodiment 2
Keeping geological conditions weak soil and hard rock ratio in the implementation case is 3:7, and the first hydraulic cylinder 6 is carrying out pressure-loaded
During, the first hydraulic cylinder 6 is divided into upper and lower two groups, named A group and B group, apply different force value respectively, and by it
It is divided into two kinds of different situations: pitching and tumbling.
The situation of pitching: before driving cut propulsive mechanism drives, adjust the pressure-loaded of the first hydraulic cylinder 6 of A group
Numerical value so that it is pressure-loaded numerical value is less than the first hydraulic cylinder 6 of B group, so that have between simulation crag assembly 3 and base plate 1
There is a fixed angle of altitude, regulate the rotating speed size of the second motor 32 on this basis, record the first three-dimensional force transducer 9 and the second three-dimensional
The pressure value change of force transducer 14, draws pressure history.
Situation about tumbling: before driving cut propulsive mechanism drives, adjust the pressure-loaded of the first hydraulic cylinder 6 of A group
Numerical value so that it is pressure-loaded numerical value is more than the first hydraulic cylinder 6 of B group, so that have between simulation crag assembly 3 and base plate 1
There is certain inclination angle, regulate the rotating speed size of the second motor 32 on this basis, record the first three-dimensional force transducer 9 and the second three-dimensional
The pressure value change of force transducer 14, draws pressure history.
Embodiment 3
In the implementation case, in geological conditions, hard rock content is mutated into 95% by 70%, right by changing the first hydraulic cylinder 6
The size of the pressure-loaded numerical value of simulation crag assembly 3, thus reduce development machine required driving cutting force in tunneling process, with this
Simulate the situation that geological conditions is undergone mutation.
The present invention presses tunnelling load test platform can simulate shield excavation machine at crustal stress change, geological conditions with becoming
Do not change, development machine does not change the tunneling process under speed conditions, and crustal stress does not changes, geological conditions does not changes, development machine changes
Tunneling process etc. in the case of variable speed；In simulation process, by control system realize the record of each sensing data with
Extracting, complete the control to each mechanism, the analysis of machine power load characteristic is tunneled in final realization to pressing with becoming in load tunneling process.
Above example is only in order to illustrate technical scheme and unrestricted, although with reference to preferred embodiment to this
Bright be described in detail, it will be appreciated by those skilled in the art that technical scheme can be modified or etc.
With replacing, without deviating from objective and the scope of the technical program, it all should be contained in scope of the presently claimed invention.
Claims (10)
1. one kind becomes ground pressure tunnelling load test platform, it is characterised in that including: base plate, described base plate is provided with simulation
Crag assembly, the bottom of described simulation crag assembly propped up by supporting mechanism, and the side of described simulation crag assembly is provided with liquid
Cylinder pressure propulsive mechanism, described hydraulic cylinder propulsive mechanism includes the first hydraulic cylinder being articulated with on column, and described column is fixed on institute
Stating base plate, the external part of described first hydraulic cylinder is held in the end of described simulation crag assembly by the first spherical support assembly
Face, is provided with the first three-dimensional force transducer, described simulation rock between described simulation crag assembly and described first spherical support assembly
The opposite side of wall assembly is provided with driving cut propulsive mechanism, and described driving cut propulsive mechanism includes walk assembly and cut group
Part, described walking assembly includes that the base being fixed on described base plate, described base are provided with tooth bar, and described tooth bar is arranged over
Gear is meshed with described tooth bar, and described gear is driven by the first motor, and the gear shaft of described gear is fixed on Mobile base, logical
Crossing described first motor drives described gear to move along described tooth bar, drives described Mobile base to move relative to described base, described
Cut assembly is arranged on described Mobile base, and described cut assembly includes the cutterhead for simulating crag assembly described in cut,
Described cutterhead is connected to reductor away from the side of described simulation crag assembly, and described reductor is provided with temperature sensor,
The end of described reductor is connected to the second motor, is provided with torque sensor between described second motor and described reductor, logical
Cross cutterhead described in described second driven by motor and rotate cut, be provided with act between described cut assembly and described walking assembly and stretch liquid
Cylinder pressure, described act stretches one end of hydraulic cylinder and is articulated with described reductor, and the other end is articulated with described Mobile base.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 1, it is characterised in that: described simulation crag assembly
Including cylinder experiment crag and the cylindrical metal shell body of the described experiment crag of splendid attire, described experiment crag is by cement, rock
Body, coal sample, resin, firming agent and water stir in specific proportions to pour and are condensed in described metal shell body.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 2, it is characterised in that: on described metal shell body
Side is provided with hanger, for described simulation crag assembly is lifted into correspondence position.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 1, it is characterised in that: described first spherical support
Assembly includes the first spherical support part being connected to described first cylinder ends, and is connected to described first three axis force sensing
The first spherical support seat of device one end, the other end of described first three-dimensional force transducer is connected to the end of described simulation crag assembly
Face, described first spherical support part is arranged in described first spherical support seat.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 1, it is characterised in that: described supporting mechanism includes
Spring damper and rubber idler assembly, described rubber idler assembly includes supporting deck and being sheathed on the rubber of described support deck
Glue carrying roller, described rubber idler is supported in described simulation crag assembly, and described base plate is fixed in the bottom of described spring damper,
Bolted splice is passed through in the end of described rubber idler in top.
The most according to claim 1 become ground pressure tunnelling load test platform, it is characterised in that: also include inclined shore in
The support component of described simulation crag assembly perisporium, described support component includes the first support seat being fixed on described base plate, one
End is articulated with the described first the second hydraulic cylinder supporting seat, and the other end of described second hydraulic cylinder is articulated with the second spherical support group
Part, described second spherical support assembly is connected to the second support seat by the second three-dimensional force transducer, and described second supports seat props up
Support in the perisporium of described simulation crag assembly, the structure of described second spherical support assembly and the structure of described first support component
Identical.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 6, it is characterised in that: described support component is provided with
Two, lay respectively at described simulation crag assembly both sides radially, arrange relative to the axisymmetrical of described simulation crag assembly.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 6, it is characterised in that: described first three axis force passes
Sensor, described second three-dimensional force transducer, described temperature sensor and described torque sensor are all connected to control system, described
Control system is also attached to described first hydraulic cylinder, described second hydraulic cylinder, described first motor, described second motor and described
Hydraulic cylinder is stretched in act, and described control system is used for receiving described first three-dimensional force transducer, described second three-dimensional force transducer, described
Power that temperature sensor and described torque sensor gather, temperature, torque data, and control described first hydraulic cylinder, described the
The execution of hydraulic cylinder is stretched in two hydraulic cylinders, described first motor, described second motor and described act.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 1, it is characterised in that: described first motor passes through
Two stage reducer is connected to described gear shaft, and described gear is connected by flat key with described gear shaft, and described gear shaft is with described
Connected by universal joint between two stage reducer.
Tunnelling load test platform is pressed on the ground that becomes the most according to claim 1, it is characterised in that: described second motor is remote
Be connected to the 3rd support seat from one end of described reductor, described Mobile base, top are fixed in the described 3rd bottom supporting seat
Be hinged with described 3rd motor, when described act stretch hydraulic cylinder lift stretch time, described reductor is lifted around described 3rd motor
Hinge point rotates, to drive described cutterhead pitching cut.
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| CN201610634337.7A CN106323750B (en) | 2016-08-05 | 2016-08-05 | Become ground pressure tunnelling load test platform |
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| CN201610634337.7A CN106323750B (en) | 2016-08-05 | 2016-08-05 | Become ground pressure tunnelling load test platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063723A (en) * | 2017-03-20 | 2017-08-18 | 辽宁工程技术大学 | A kind of Vertical Axis Road-header cut simulation experiment system |
| CN107091721A (en) * | 2017-06-22 | 2017-08-25 | 辽宁工程技术大学 | One kind anchor combined unit experimental provision of pick branch and method |
| CN107356383A (en) * | 2017-07-18 | 2017-11-17 | 东北大学 | A kind of shield machine cutter abrasion testing machine |
| CN108256199A (en) * | 2018-01-11 | 2018-07-06 | 辽宁工程技术大学 | The Shearer Helical Drum cutting transient state load extracting method of coal petrography containing bull's-eye |
| CN109209419A (en) * | 2018-10-26 | 2019-01-15 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109238761A (en) * | 2018-09-25 | 2019-01-18 | 绍兴文理学院 | The model test method and its device of a kind of gallery test under simulation Deep Condition |
| CN109339812A (en) * | 2018-10-26 | 2019-02-15 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109356605A (en) * | 2018-10-26 | 2019-02-19 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109655246A (en) * | 2018-11-28 | 2019-04-19 | 山东职业学院 | A kind of drilling well PDC drill bit self-regulation device working performance test method |
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| CN112610230A (en) * | 2020-11-13 | 2021-04-06 | 山东大学 | Tunnel boring machine indoor model experiment method and system based on similar theory |
| CN112683567A (en) * | 2021-01-07 | 2021-04-20 | 太原理工大学 | Cutting head-like underground tunneling surface environment simulation device |
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| CN107063723A (en) * | 2017-03-20 | 2017-08-18 | 辽宁工程技术大学 | A kind of Vertical Axis Road-header cut simulation experiment system |
| CN107091721A (en) * | 2017-06-22 | 2017-08-25 | 辽宁工程技术大学 | One kind anchor combined unit experimental provision of pick branch and method |
| CN107356383B (en) * | 2017-07-18 | 2019-08-02 | 东北大学 | A kind of shield machine cutter abrasion testing machine |
| CN107356383A (en) * | 2017-07-18 | 2017-11-17 | 东北大学 | A kind of shield machine cutter abrasion testing machine |
| CN108256199A (en) * | 2018-01-11 | 2018-07-06 | 辽宁工程技术大学 | The Shearer Helical Drum cutting transient state load extracting method of coal petrography containing bull's-eye |
| CN108256199B (en) * | 2018-01-11 | 2021-07-13 | 辽宁工程技术大学 | Method for extracting transient load of pyrite-containing nodule coal rock cut by spiral drum of coal mining machine |
| CN109238761A (en) * | 2018-09-25 | 2019-01-18 | 绍兴文理学院 | The model test method and its device of a kind of gallery test under simulation Deep Condition |
| CN109339812A (en) * | 2018-10-26 | 2019-02-15 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109356605A (en) * | 2018-10-26 | 2019-02-19 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109209419A (en) * | 2018-10-26 | 2019-01-15 | 张世远 | A kind of solid rock stratum hole brill method |
| CN109655246A (en) * | 2018-11-28 | 2019-04-19 | 山东职业学院 | A kind of drilling well PDC drill bit self-regulation device working performance test method |
| CN110274837A (en) * | 2019-07-18 | 2019-09-24 | 湖北万测试验设备有限公司 | A kind of antidetonation suspension and support testing machine |
| CN112610230A (en) * | 2020-11-13 | 2021-04-06 | 山东大学 | Tunnel boring machine indoor model experiment method and system based on similar theory |
| CN112683567A (en) * | 2021-01-07 | 2021-04-20 | 太原理工大学 | Cutting head-like underground tunneling surface environment simulation device |
| CN115493867A (en) * | 2022-11-17 | 2022-12-20 | 沈阳建筑大学 | Simulation experiment equipment for double-shield TBM hydraulic propulsion system |
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