CN104807663B - A kind of loading device of simulation TBM construction operation real working condition experimental benches - Google Patents
A kind of loading device of simulation TBM construction operation real working condition experimental benches Download PDFInfo
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- CN104807663B CN104807663B CN201510200459.0A CN201510200459A CN104807663B CN 104807663 B CN104807663 B CN 104807663B CN 201510200459 A CN201510200459 A CN 201510200459A CN 104807663 B CN104807663 B CN 104807663B
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Abstract
The invention discloses a kind of loading device of simulation TBM construction operation real working condition experimental benches, including loading device base and the fixed outer cylinder being fixed on loading device base, the front end of the fixed outer cylinder is provided with loading device fixed plate, and load simulation mechanism, cross slid platform mechanism, loading device ball-and-socket hinge device, moment of flexure simulation mechanism and load torque simulation mechanism are provided with the fixed outer cylinder；Can ensure that the experimental bench for being provided with loading device of the present invention realizes the straight line driving experiment of TBM models and level or pitching the tuning experiment of TBM models.And simplify the structure of experimental bench, make that machine shape is smaller, can accurately simulate TBM construction operation real working conditions in laboratory conditions, can be with country rock under accurate simulation TBM excavation operation operating modes to the effect of contraction of shield, different country rock physical characteristics can be contrasted to the track correction of TBM drivings and the influence of planning, for the design and control of TBM propulsion systems provide foundation.
Description
Technical field
The present invention relates to tunneling boring hard rock mole (Tunnel Boring Machine, abbreviation TBM) technical field, tool
Body is related to a kind of corollary apparatus for loading of experimental bench of simulation TBM construction operation real working conditions.
Background technology
TBM mechanisms have the characteristic of underconstrained, must realize excavation operation by country rock constraint.TBM in construction operation,
Geological environment is complicated and bears Strong Impact Loading, is not only easily caused that complete machine oscillation is strong, key structure part is damaged, and it is tunneled
Track occurs the situation for deviateing desired trajectory.TBM working conditions are broadly divided into straight line excavation operation operating mode and tuning operation work
Condition, TBM under straight line excavation operation operating mode, due to cutterhead front rock uneven distribution, it may appear that tunneling direction load is inclined
The situation of load；Under tuning working condition, due to cutterhead deflection, the unbalance loading of tunneling direction can be also subject to during tuning.Therefore
The emphasis for simulating TBM construction operation stress real working conditions is to provide unbalance loading suffered by TBM cutterheads.Additionally, TBM is in tuning working condition
Under be also subject to the moment of flexure opposite with its steering direction, be also subject to opposite with its cutterhead rotation direction negative during rock cutting
Carry moment of torsion.For reply TBM tunnels the above mentioned problem of appearance under complex working condition, it is necessary to build one kind and can simulate TBM and truly make
The experimental provision of suffered various load under industry operating mode：By the real working condition accurate reproduction of TBM construction operation stress, and can be based on
The Changing Pattern of this experimental provision research TBM supports propulsion Huan Bu mechanisms key member stress in tunneling process, and then to set
Meter precisely, efficiently and high rigidity TBM support propulsion Huan Bu mechanisms and control provide foundation, herein under the premise of, it is necessary to design
A kind of matched loading device.
The content of the invention
For prior art, influence and TBM supports for the different characteristics of surrounding rock of experimental study to TBM drivings track are pushed away
The Changing Pattern of Jin Huanbu mechanisms key member stress in tunneling process, it is true that the present invention provides a kind of simulation TBM construction operations
The loading device of real working condition experimenting platform, can accurate simulation TBM construction operation real working conditions, especially simulation different surrounding rock physics spy
Property can increase the function of the experimental bench for being provided with loading device of the present invention to the effect of contraction of TBM, and simplify structure, whole
Machine profile is smaller, can accurately simulate TBM construction operation real working conditions in laboratory conditions, is after platform is carried out with it
The characteristics of continuous experiments experiment result is more credible.
In order to solve the above-mentioned technical problem, a kind of simulation TBM construction operation real working condition experimental benches proposed by the present invention
Loading device, including loading device base and the fixed outer cylinder being fixed on loading device base, the front end of the fixed outer cylinder
Loading device fixed plate is provided with, load simulation mechanism, cross slid platform mechanism, loading device ball pivot are provided with the fixed outer cylinder
Mechanism, moment of flexure simulation mechanism and load torque simulation mechanism；The load simulation mechanism includes loading axis and hydraulic clamping device, institute
State loading axis and pass through the hydraulic clamping device along the tunneling direction of experimental bench；The loading axis is passed through along the tunneling direction of experimental bench
The cross slid platform mechanism and loading device ball-and-socket hinge device；The loading device ball-and-socket hinge device includes being inlaid in double in a cover plate
Spherical slide plate, the described pair of front end face of spherical slide plate is interior concave spherical surface, and the described pair of rear end face of spherical slide plate is outer convex spherical, institute
The middle section for stating the front end face of cover plate is the interior concave spherical surface matched with the rear end face of described pair of spherical slide plate；The cross is slided
Platform mechanism includes the line slideway of a pair of vertical direction being vertically mounted in the loading device fixed plate, the pair of vertical
Vertical slide unit is equipped with the line slideway in direction, the vertical slide unit is vertical in the loading device fixed plate by being fixed on
Adjustment hydraulic oil cylinder driving, sets a pair of line slideways of horizontal direction, the pair of horizontal direction on the rear end face of the vertical slide unit
Line slideway on be equipped with horizontal sliding table, the horizontal sliding table is driven by the horizontal adjustment oil cylinder being fixed on the vertical slide unit
Dynamic, the middle section of the rear end face of the horizontal sliding table is the outer convex spherical matched with the front end face of described pair of spherical slide plate；
The cover plate is fixed on the rear end face of the horizontal sliding table, and elastic washer is provided between the cover plate and the horizontal sliding table；
It is close contact between the horizontal sliding table, double spherical slide plates and cover plate；Described pair of spherical slide plate is fixed on the hydraulic clamp
On the rear end face of device；The moment of flexure simulation mechanism includes be arranged between the loading device fixed plate and the cover plate the
One moment of flexure oil cylinder and the second moment of flexure oil cylinder, the first moment of flexure oil cylinder and the second symmetrical arrangement of moment of flexure oil cylinder, the lid
Plate is provided with symmetrical two vias, and the rear flange of the first moment of flexure oil cylinder and the second moment of flexure oil cylinder is and loading device
Fixed plate is fixed, the tailpiece of the piston rod of the first moment of flexure oil cylinder and the second moment of flexure oil cylinder respectively through after the via on cover plate with
One pressing plate is hinged the load torque simulation mechanism includes the rock panel being arranged in the fixed outer cylinder, outside the rock panel
Edge is provided with pin, and the pin is placed in the strip through-hole.
Compared with prior art, the beneficial effects of the invention are as follows：
1) the invention provides a kind of loading device of simulation TBM construction operation real working condition experimental benches, experimental bench tool
Functional complete, structure is relatively simple, profile is smaller, it is true accurately to simulate TBM construction operations in laboratory conditions
Operating mode, with its be platform carry out subsequent experimental experimental result it is more credible the characteristics of.
2) experimental study that step mechanism performance is changed in TBM support propulsions is carried out using the present invention, by design and application loading
Device, simulates suffered offset loading force in TBM construction operation real working conditions, moment of flexure and moment of torsion even load exactly；Allow rear
By changing the size of simulated offset loading force, moment of flexure and moment of torsion even load in continuous experiment, to find out support in TBM tunneling processes and push away
The Changing Pattern of Jin Huanbu mechanisms key member stress, and then step machine is changed in the support propulsion of, efficient and high rigidity accurate for design
Structure provides foundation.
Brief description of the drawings
Fig. 1 is the signal of the simulation TBM construction operation real working condition experimental benches that the present invention is provided with loading device of the present invention
Figure；
Fig. 2-1 is the structural representation of loading device of the present invention；
Fig. 2-2 is the structural representation of cutterhead shield in experimental bench；；
Fig. 3 is the front sectional view of assembly in fixed outer cylinder shown in Fig. 1；
Fig. 4 is the vertical view cutaway drawing of assembly in fixed outer cylinder shown in Fig. 3；
Fig. 5 is the right view of cutterhead shield part in Fig. 3；
Fig. 6 is suspension device structural perspective shown in Fig. 1；
Fig. 7 is the cylinder structure schematic diagram of side shield shown in Fig. 5.
In figure：
1- loading device 2-TBM model 3- suspension devices
4- base plate 151- rock panel 16- fixed outer cylinders
17- loading device fixed plate 18- loading device bases 21- support propulsion Huan Bu mechanisms
22- cutterhead transmission component 23- shield support component 24- cutter head back plates
25- cutter heads foreboard 211,212- support boots 221,222- shaft couplings
223rd, the wear-resisting copper sheets of 224- gear shafts 225- ring gears 226-
227- gear ring axially position plate 228- cutterhead 231- bottoms shield
232- headstocks 233- tops shield 234- tops shield oil cylinder
235th, 236- sides shield 237,238- sides shield oil cylinder 31,32- faggings seat
33rd, 34- supports stretcher for boot and shoe plate
Specific embodiment
Technical solution of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, described is specific
Embodiment is only explained to the present invention, is not intended to limit the invention.
The simulation TBM construction operation real working condition experimental benches of loading device of the present invention, its structure are installed as shown in figure 1,
Including loading device 1, TBM models 2, suspension device 3 and base plate 4, loading device of the present invention 1 is fixed with the base plate 4；It is described
TBM models 2 include support propulsion Huan Bu mechanisms 21 and the cutterhead shield being connected with support propulsion Huan Bu mechanisms 21, the loading dress
Put 1 and cutterhead shield be arranged in a fixed outer cylinder 16, the fixed outer cylinder 16 is fixed on loading device base 18, the branch
Protection unit 3 is located at the outside of support propulsion Huan Bu mechanisms 21.Loading device proposed by the present invention 1 and the suspension device 3 are pacified
On base plate 4.Because TBM working conditions are broadly divided into straight line excavation operation operating mode and tuning working condition, therefore, the experiment
Platform major experimental function includes the straight line driving experiment of TBM models 2 and level or pitching the tuning experiment of TBM models 2.
The loading device 1 of simulation TBM construction operation real working condition experimental benches of the invention is the simulation TBM picks of whole experimental bench
Enter operation stress real working condition, as shown in Fig. 2-1, Fig. 3 and Fig. 4, the loading device includes loading device base 18 and is fixed on
Fixed outer cylinder 16 on loading device base 18, the front end of the fixed outer cylinder 16 is provided with loading device fixed plate 17, described
Load simulation mechanism, cross slid platform mechanism, loading device ball-and-socket hinge device, moment of flexure simulation mechanism and load are provided with fixed outer cylinder 16
Torque simulation mechanism.The fixed outer cylinder 16 is provided with the tunneling direction one of strip through-hole, the strip through-hole and experimental bench, rock
The outer rim of slabstone 151 is provided with pin 152, and the pin 152 is placed in the strip through-hole, therefore, the strip through-hole is played
The guide effect of the moving process of rock panel 151.
As shown in Fig. 2-1, Fig. 3 and Fig. 4, the load simulation mechanism in loading device of the present invention includes loading axis 111
With hydraulic clamping device 112, the loading axis 111 along experimental bench tunneling direction pass through the hydraulic clamping device 112；The load
The loading axis 111 of simulation mechanism passes through the cross slid platform mechanism 12 and loading device ball-and-socket hinge device along the tunneling direction of experimental bench
13；The rear end of load simulation mechanism loading axis 111 withstands on the front end face of the rock panel 151, the rear end face of the rock panel 151
Fitted with the front end of TBM models 2；When the experiment of straight line driving is carried out and tuning is tested, TBM models 2 pass through rock to experimental bench
Plate 151 promotes loading axis 111 to be moved along tunneling direction, because hydraulic clamping device 112 is connected with loading device ball-and-socket hinge device, hydraulic pressure
Binding clasp 112 can not be moved along tunneling direction, therefore hydraulic clamping device 112 produces relative slip with loading axis 111, further through control
Hydraulic clamping device 112 pairs clamps loading axis 111 and applies clamping force, acts opposite with tunneling direction in loading axis 111
Frictional force, this power is ultimately applied to the front end of TBM models 2 by loading axis 111, rock panel 151；TBM picks are simulated with this
The load along tunneling direction during entering suffered by cutterhead.The size of this load can be clamped by controlling hydraulic clamping device 112
The size of power is adjusted.
As shown in Fig. 2-1, Fig. 3 and Fig. 4, the loading device ball-and-socket hinge device 13 includes being inlaid in double in a cover plate 132
Spherical slide plate 131, the described pair of front end face of spherical slide plate 131 is interior concave spherical surface, and the rear end face of described pair of spherical slide plate 131 is outer
Convex spherical, the middle section of the front end face of the cover plate 132 is the indent matched with the rear end face of described pair of spherical slide plate 131
Sphere；The cover plate 132 is machined with appropriately sized circular hole with the described pair of center of spherical slide plate 131, and loading axis 111 can be made therefrom to wear
Cross and do not interfered in experimentation.
As shown in Fig. 2-1, Fig. 3 and Fig. 4, the cross slid platform mechanism 12 includes that being vertically mounted on the loading device fixes
The line slideway 122 of a pair of vertical direction on plate 17, vertical cunning is equipped with the line slideway 122 of the pair of vertical direction
Platform 121, the vertical slide unit 121 is driven by the vertical adjustment oil cylinder 123 being fixed in the loading device fixed plate 17, described
A pair of line slideways of horizontal direction 125, the line slideway of the pair of horizontal direction are set on the rear end face of vertical slide unit 121
It is equipped with horizontal sliding table 124 on 125, the horizontal sliding table 124 is by the horizontal adjustment oil cylinder that is fixed on the vertical slide unit 121
126 drive；Vertical slide unit 121 and the center of horizontal sliding table 124 are all machined with appropriately sized circular hole, can make load simulation mechanism therefrom
Through and not interfering in experimentation；The middle section of the rear end face of the horizontal sliding table 124 is and described pair of sphere
The outer convex spherical that the front end face of slide plate 131 matches.
As shown in Fig. 2-1, Fig. 3 and Fig. 4, the cover plate 132 is fixed on the rear end face of the horizontal sliding table 124, described
Elastic washer 133 is provided between cover plate 132 and the horizontal sliding table 124；The center of the elastic washer 133 is machined with appropriately sized
Circular hole, can make loading axis 111 extend there through and not interfered in experimentation.The horizontal sliding table 124, double spherical slide plates
It is close contact between 131 and cover plate 132；Described pair of spherical slide plate 131 is fixed on the rear end face of the hydraulic clamping device 112
On；, when tuning experiment is carried out, described pair of spherical slide plate 131 can be between horizontal sliding table 124 and cover plate 132 slightly for experimental bench
Slide, and then drive the level and pitching of binding clasp 112 and the generation of 111 self adaptation TBM models of loading axis 2；Experimental bench exists
Carry out straight line driving experiment and tuning test when, cross slid platform mechanism 12 can by drive loading device ball-and-socket hinge device 13 and then
Drive load simulation mechanism 11 to realize the translation in horizontally and vertically direction, loading axis 111 is done level with respect to TBM models 2
With the translation of vertical direction；Consequently, it is possible to experimental bench can be by controlling the vertical adjustment oil cylinder 123 and water of cross slid platform mechanism
The whole oil cylinder 126 of Heibei provincial opera changes active position of 11 fictitious loads of load simulation mechanism in the front end of TBM models 2, and then simulates
Unbalance loading under TBM actual conditions suffered by cutterhead.
As shown in Fig. 2-1 and Fig. 4, the moment of flexure simulation mechanism 14 includes being arranged on the loading device fixed plate 17 and institute
The the first moment of flexure oil cylinder 141 and the second moment of flexure oil cylinder 142 between cover plate 132 are stated, the first moment of flexure oil cylinder 141 and second is curved
The symmetrical arrangement of square oil cylinder 142, the cover plate 132 is provided with symmetrical two vias, the first moment of flexure oil cylinder
141 and second the rear flange of moment of flexure oil cylinder 142 fixed with loading device fixed plate 17, the first moment of flexure oil cylinder 141 and
The tailpiece of the piston rod of two moment of flexure oil cylinders 142 is hinged after respectively passing through the via on cover plate 132 with a pressing plate 143,144；Experimental bench
When tuning experiment is carried out, two moment of flexure oil cylinders 141,142 shrink simultaneously, extrude simultaneously band by pressing plate 143 and pressing plate 144 respectively
The dynamic double spherical slide plates 131 of cover plate 132 pairs apply pressure, and then produce moment of friction on two spheres of double spherical slide plates 131,
The yawing moment of this moment of friction and TBM models 2 conversely, simulated with this under TBM tuning operating modes suffered by cutterhead with its side of deflection
To opposite moment of flexure；The size of this moment of flexure can be by controlling the big of the first moment of flexure oil cylinder 141 and the pressure of the second moment of flexure oil cylinder 142
It is small to adjust.
As shown in Fig. 2-1, Fig. 3 and Fig. 4, the load torque simulation mechanism includes being arranged on the loading device 1 and TBM
Rock panel 151 between model 2, the outer rim of the rock panel 151 is provided with pin 152, and the pin 152 is placed in the bar shaped
In through hole；The pin 152 pins the free degree that rock panel 151 is rotated along tunneling direction, while the strip through-hole makes pin
152 do not limit rock panel 151 with TBM models 2 along tunneling direction movement；Experimental bench is carrying out the experiment of straight line driving and tuning reality
When testing, the rotatable parts of TBM models 2 are rotated relative to rock panel 151, rock panel 151 give TBM models 2 rotatable parts and its
The opposite moment of friction of rotation direction, load torque suffered by cutterhead in TBM actual conditions is simulated with this.The loading axis 111
Can realize resetting by artificial or extra setting hydraulic means with rock panel 151.
As shown in Fig. 2-2, Fig. 3 and Fig. 4, cutterhead shield in experimental bench include cutter head foreboard 25, cutterhead transmission component 22,
Shield support component 23 and cutter head back plate 24；The cutterhead transmission component 22 includes the ring gear 225 fixed with cutterhead 228, institute
State ring gear 225 to be driven by many nested structure identical drive devices, the ring gear 225 is symmetrical by two sets in the present embodiment
The structure identical first driving means of arrangement and the second drive device drive, and the first driving means include and servomotor
I shaft coupling 221 being sequentially connected and with the meshed gears axle 223 of ring gear 225；Second drive device includes and servo electricity
Shaft coupling 222 that machine II is sequentially connected and with the meshed gears axle 224 of ring gear 225；The servomotor I and servomotor II
It is separately fixed in cutter head back plate 24；The rear end of the ring gear 225 is provided with step surface, and the cutter head foreboard 25 is enclosed within described
On terrace, gear ring axially position plate 227 is fixed with the rear end face of the ring gear 225；The cutter head foreboard 25 is interior with described
Wear-resisting copper sheet 226 is respectively provided between gear ring 225 and between the cutter head foreboard 25 and gear ring axially position plate 227；It is wear-resisting
Copper sheet 226 can effectively reduce when ring gear 225 is rotated respectively with rubbing that cutter head foreboard 25 and gear ring axially position plate 227 are produced
Wipe.When the experiment of straight line driving is carried out and tuning is tested, the cutterhead 228 withstands on forward in rock panel 151 experimental bench；With described
Many set drive devices are rotated by ring gear 225 for input with movable knife disc 228, and provide the driving torque of the rotation of cutterhead 228, with
Load torque suffered by balance TBM models 2.The shield support component 23 includes that bottom shield 231, top shield 233 and left and right are right
Claim two side shields 235,236 of arrangement, the rear and front end of the bottom shield 231 is solid with cutter head foreboard 25 and cutter head back plate 24
It is fixed, multigroup bolt connection piece is provided between the cutter head foreboard 25 and cutter head back plate 24, the bottom of the bottom shield 231 is prolonged forward
Stretch out a rock panel supporting plate；The rock panel 151 is arranged on the rock panel supporting plate；It is fixed above the bottom shield 231
Have a headstock, between the headstock and top shield 233, the headstock and two side shields 235 being symmetrically arranged,
Respectively it is provided with shield oil cylinder 234,237,238 between 236, the two ends of the shield oil cylinder 234,237,238 are connected by hinge
Connect.
As shown in Fig. 2-2, Fig. 3, Fig. 4, Fig. 5 and Fig. 7, the rear end face of the top shield 233 is provided with the cunning of vertical direction
Road, the front end face of the cutter head back plate 24 is provided with the guide rail 239 coordinated with the slideway；Two for being symmetrically arranged
The lower end of side shield 235,236 is respectively hinged with the bottom shield 231；The rod chamber of each shield oil cylinder 234,237,238
A conical spring 501 is arranged with 502；Experimental bench carry out straight line driving experiment and tuning experiment before, Schilling each
The piston rod of shield oil cylinder 234,237,238 stretches out a segment distance, while compressing the rod chamber 502 of each shield oil cylinder 234,237,238
The conical spring 501 of arrangement, the actual works of equivalent TBM are sized to until conical spring 501 is compressed into its rigidity
Stop during the rigidity size of country rock in condition；Enclosed during there is variation rigidity characteristic, with TBM actual conditions due to conical spring 501
Rock rigidity physical characteristic is similar to, so when the rigidity of conical spring 501 can simulate the firm of country rock in TBM actual conditions
Degree characteristic；After the experiment of straight line driving and tuning experiment start, each piston rod of shield oil cylinder 234,237,238 is made to drive first each
1~2mm is opened from be hinged shield, while the conical spring 501 of rod chamber 502 is compressed, to simulate TBM actual conditions
In, before its cutterhead driving, first by shield stretching on the wall rock of hole, rock has necessarily deform this process；Because now real
Platform is tested by top shield 233 and both sides side shield 235,236 by each connecting shield oil cylinder 234,237,238 and truncated cone spiral bullet
Spring 501 is respectively series relationship to the rigidity topological relation of headstock 232, with TBM actual conditions in by country rock by shield and
Oil cylinder is similar to the rigidity topological relation of headstock；The rigidity of conical spring 501 is enclosed in can simulating TBM actual conditions again
The stiffness characteristics of rock, so when shield support section 23 can simulate effect of contraction of the country rock to shield in TBM actual conditions.Close
Reason chooses different conical springs 501, can contrast constraint of the different surrounding rock physical characteristic to shield in TBM actual conditions
Effect.
As shown in Figure 3 and Figure 4, the cutter head back plate 24 is connected with the support propulsion Huan Bu mechanisms 21.
As shown in figure 1, the support propulsion Huan Bu mechanisms 21 in experimental bench include girder, saddletree, propelling cylinder side chain, support
Oil cylinder side chain, support boots are hinged with positioned at the propelling cylinder side chain of girder homonymy and the tailpiece of the piston rod of support cylinder side chain；The branch
Support propulsion Huan Bu mechanisms 21 are used as this experimental bench research object；Experimental bench is propped up when the experiment of straight line driving is carried out and tuning is tested
Support propulsion Huan Bu mechanisms 21 enable TBM models 2 to realize that straight line driving and tuning are transported as the core transmission component of TBM models 2
It is dynamic.
As shown in figures 1 to 6, the suspension device 3 in experimental bench includes the fagging seat 31,32 being symmetrically arranged；It is described
A plurality of adjustable pull bar is provided between two fagging seats, the adjustment and the increasing of intensity that the installation site of suspension device 3 is realized with this
Plus；The inner side of described two fagging seats is respectively equipped with support stretcher for boot and shoe plate 33,34, and experimental bench is carrying out the experiment of straight line driving and tuning reality
When testing, the support propulsion Huan Bu mechanisms 21 are supported on the support stretcher for boot and shoe plate of the suspension device 3 by the support boots 211,212 of both sides
33rd, on 34, the frictional force between the support boots and support stretcher for boot and shoe plate of both sides provides reaction force for TBM models 2 are tunneled forward.
As shown in figure 1, being provided with a plurality of T-slot, the loading dress along the tunneling direction of experimental bench on base plate 4 in experimental bench
The fagging seat 31,32 of bottom set seat 18 and suspension device 3 is fixed on base plate 4 by foundation bolt.
Although above in conjunction with accompanying drawing, invention has been described, the invention is not limited in above-mentioned specific implementation
Mode, above-mentioned specific embodiment is only schematical, and rather than restricted, one of ordinary skill in the art is at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to of the invention
Within protection.
Claims (2)
1. a kind of loading device of simulation TBM construction operation real working condition experimental benches, including loading device base (18) and fixation
Rock panel (151) is provided with fixed outer cylinder (16) on loading device base (18), the fixed outer cylinder (16), its feature exists
In the front end of the fixed outer cylinder (16) is provided with loading device fixed plate (17), the fixed outer cylinder (16) and is provided with load
Simulation mechanism, cross slid platform mechanism, loading device ball-and-socket hinge device, moment of flexure simulation mechanism and load torque simulation mechanism；
The load simulation mechanism includes loading axis (111) and hydraulic clamping device (112), and the loading axis (111) is along experimental bench
Tunneling direction pass through the hydraulic clamping device (112)；The loading axis (111) passes through described ten along the tunneling direction of experimental bench
Word slipway mechanism and loading device ball-and-socket hinge device；
The loading device ball-and-socket hinge device includes the double spherical slide plates (131) being inlaid in a cover plate (132), and described pair of sphere is slided
The front end face of plate (131) is interior concave spherical surface, and the described pair of rear end face of spherical slide plate (131) is outer convex spherical, the cover plate (132)
The middle section of front end face be the interior concave spherical surface matched with the rear end face of described pair of spherical slide plate (131)；
The cross slid platform mechanism includes the straight of a pair of vertical direction being vertically mounted on the loading device fixed plate (17)
Line guide rail (122), is equipped with vertical slide unit (121), the vertical slide unit on the line slideway (122) of the pair of vertical direction
(121) the vertical adjustment oil cylinder (123) by being fixed on the loading device fixed plate (17) drives, the vertical slide unit
(121) a pair of line slideways of horizontal direction (125), the line slideway (125) of the pair of horizontal direction are set on rear end face
On be equipped with horizontal sliding table (124), the horizontal sliding table (124) is by the horizontal adjustment that is fixed on the vertical slide unit (121)
Oil cylinder (126) drives, the middle section of the rear end face of the horizontal sliding table (124) be with before described pair of spherical slide plate (131)
The outer convex spherical that end face matches；
The cover plate (132) is fixed on the rear end face of the horizontal sliding table (124), and the cover plate (132) slides with the level
Elastic washer (133) is provided between platform (124)；The horizontal sliding table (124), between double spherical slide plates (131) and cover plate (132)
To be in close contact；Described pair of spherical slide plate (131) is fixed on the rear end face of the hydraulic clamping device (112)；
The moment of flexure simulation mechanism includes be arranged between the loading device fixed plate (17) and the cover plate (132) the
One moment of flexure oil cylinder (141) and the second moment of flexure oil cylinder (142), the first moment of flexure oil cylinder (141) and the second moment of flexure oil cylinder (142) are in
It is symmetrically arranged, the cover plate (132) is provided with symmetrical two vias, the first moment of flexure oil cylinder (141) and
The rear flange of two moment of flexure oil cylinders (142) is fixed with loading device fixed plate (17), the first moment of flexure oil cylinder (141) and second
The tailpiece of the piston rod of moment of flexure oil cylinder (142) is hinged after respectively passing through the via on cover plate (132) with a pressing plate (143,144)；
The load torque simulation mechanism includes the rock panel (151) being arranged in the fixed outer cylinder (16), the rock panel
(151) outer rim is provided with pin (152), and the pin (152) is placed in a strip through-hole.
2. the loading device of TBM construction operation real working condition experimental benches is simulated according to claim 1, it is characterised in that
A plurality of T-slot is provided with along the tunneling direction of experimental bench on the base plate (4) of experimental bench, the loading device base (18) is by lower margin
It is bolted on the base plate (4).
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| CN201510200459.0A CN104807663B (en) | 2015-04-23 | 2015-04-23 | A kind of loading device of simulation TBM construction operation real working condition experimental benches |
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| CN201510200459.0A CN104807663B (en) | 2015-04-23 | 2015-04-23 | A kind of loading device of simulation TBM construction operation real working condition experimental benches |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865922B (en) * | 2016-05-20 | 2018-08-07 | 天津大学 | Double track tunnel excavates face and unloading model is added to test system |
| CN107100632B (en) * | 2017-04-07 | 2020-05-05 | 浙江大学城市学院 | Sectional type size reduction test device for simulating double-round shield tunneling |
| CN108035728B (en) * | 2017-11-22 | 2019-07-23 | 天津大学 | Simulate the characteristics of surrounding rock simulator of TBM construction operation real working condition experimental bench |
| CN111122370A (en) * | 2019-12-31 | 2020-05-08 | 中铁工程服务有限公司 | Test device capable of simulating eccentric load working condition of TBM cutter head |
| CN115493867B (en) * | 2022-11-17 | 2023-01-31 | 沈阳建筑大学 | Simulation experiment equipment for double-shield TBM hydraulic propulsion system |
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| CN101285386A (en) * | 2008-05-09 | 2008-10-15 | 清华大学 | Torsional moment and force loading unit for shield excavation simulation |
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| CN103575522A (en) * | 2013-11-12 | 2014-02-12 | 浙江大学 | Cutter disc simulation loading device of tunnel full-fracture-surface heading machine |
| CN104165743A (en) * | 2014-08-07 | 2014-11-26 | 湖南工程学院 | Shafting torsional vibration simulation testing table and testing method thereof |
| CN104165058A (en) * | 2014-07-30 | 2014-11-26 | 浙江大学 | Device for simulating geological environment in TBM tunneling process |
| CN204002801U (en) * | 2014-07-30 | 2014-12-10 | 浙江大学 | A kind of TBM driving geological environment analogue means |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5132331B2 (en) * | 2008-01-18 | 2013-01-30 | カヤバ工業株式会社 | Hydraulic motor inspection device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285386A (en) * | 2008-05-09 | 2008-10-15 | 清华大学 | Torsional moment and force loading unit for shield excavation simulation |
| CN201859095U (en) * | 2010-11-02 | 2011-06-08 | 中国科学院武汉岩土力学研究所 | Three-dimensional loading simulation test device for tunnel borer |
| CN103575522A (en) * | 2013-11-12 | 2014-02-12 | 浙江大学 | Cutter disc simulation loading device of tunnel full-fracture-surface heading machine |
| CN104165058A (en) * | 2014-07-30 | 2014-11-26 | 浙江大学 | Device for simulating geological environment in TBM tunneling process |
| CN204002801U (en) * | 2014-07-30 | 2014-12-10 | 浙江大学 | A kind of TBM driving geological environment analogue means |
| CN104165743A (en) * | 2014-08-07 | 2014-11-26 | 湖南工程学院 | Shafting torsional vibration simulation testing table and testing method thereof |
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