CN105510069A - Automatic true-triaxial intelligent assembling physical simulation test device system and test method - Google Patents
Automatic true-triaxial intelligent assembling physical simulation test device system and test method Download PDFInfo
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- CN105510069A CN105510069A CN201510894802.6A CN201510894802A CN105510069A CN 105510069 A CN105510069 A CN 105510069A CN 201510894802 A CN201510894802 A CN 201510894802A CN 105510069 A CN105510069 A CN 105510069A
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Abstract
The invention relates to an automatic true-triaxial intelligent assembling physical simulation test device system and test method, and the device system comprises a model counter-force structure and a hydraulic loading system; the model counter-force structure comprises counter-force walls arranged at six surfaces, i.e., left, right, front, back, upper and lower surface, the six counter-force walls form a space for accommodating a sample, each wall is connected with the hydraulic loading system, and under the effect of the hydraulic loading system, the true-triaxial load is applied to the sample; and the top wall can open, thereby facilitating mechanical move-out of the sample. A top beam automatic lift translation system can cooperate with a hoisting base plate, can move the model out conveniently, and can provide a safer, more efficient and more intelligent automatic test device than before for the development of the geomechanics model test.
Description
Technical field
The invention belongs to Mineral Engineering, Geotechnical Engineering scientific research technical field, particularly a kind of robotization true triaxial Intelligent assembly physical analog test apparatus system and test method.
Background technology
Geomechanical model test is the important means of research Mineral Engineering, large-scale geotechnical engineering problems, particularly Problems of Underground Engineering.The construction technology of geomechanical model test energy simulate complex engineering, the mode of action of load and time effect etc., the stressed overall process of energy research engineering.Therefore not only can the normal stress of research engineering with this test, can also the ultimate load of research engineering and damage-form.Meanwhile, compared with numerical result, the result given by it is vivid, directly perceived.Because geomechanical model testing technology has the superiority of above-mentioned uniqueness, now extensively paid attention to by domestic and international Geotechnical Engineering circle and applied.
Wherein simulation test device is as the important component part of geomechanical model test, and the effect for test plays a part very important.
At present, for geomechanical model test, carried out a large amount of research work, have developed a series of simulation test device, present Research is as follows:
(1) application number be 201110038876.1 Chinese patent disclose a kind of ultra-large type geotechnical engineering three-dimensional model test system, comprise ultra-large type model test apparatus, the hydraulic loading system be connected with full-scale model test device respectively and strain displacement test macro, the large-scale three dimensional model test of cross type tunnel can be completed.But this device cannot implementation model entirety shift out, model dissection can not be carried out easily, be unfavorable for the filling of cast material pile up and model test after observe.
(2) application number be 201110038852.6 Chinese patent disclose the multi-functional Geotechnical Engineering simulation test device of a kind of large-scale combined sound, this device is made up of some Pin counter-force bench frame apparatus, front visual reaction beam, rear loading reaction beam, the dynamic reaction frame of arch, hydraulic loading system, servo dynamic loading system, model elevating translational motorcycle system etc., can be applicable to plane and the three-dimensional geological mechanics Static and dynamic model test of Geotechnical Engineering under foundation ditch, side slope and large ground pressure.But this device is only four sides and loads, and can not realize true triaxial six loading; The manual teardown that model shifts out, the filling of cast material all needs to carry out reaction beam before piling up, assembled, fixing, complicated operation.
(3) application number be 201110039078.0 Chinese patent disclose a kind of large-scale independent assortment Pin formula high-ground stress underground engineering model test device, comprise some Pin pin-connected panel counter-force bench frame apparatus, hydraulic loading system, model elevating translational acting trailer system, this device bulk strength, rigidity are high, good stability, lifting and propelling movement stable action, can ensure the integrality of model in transfer process.But this device is only three loadings, true triaxial six loading can not be realized; Model elevating translational acting trailer system model of only Model transfer being come in and gone out loads space, and the filling of cast material still needs before piling up to carry out the manually assembled, fixing of reaction beam, complicated operation.
In Ph.D. Dissertation's " deep laneway surrounding rock failure evolvement process and control mechanism research and apply thereof " literary composition that in April, (4) 2009 is delivered by Chen Kunfu, the 2nd chapter discloses the three-dimensional Excavation simulation testing table of a kind of large scale, testing table, primarily of stage body, loading system, excavation and support system, test supervisory system and Digital photographic measurement system five part composition, can be applicable to simulation deep tunnel excavation and supporting physical process.But the stage body of this device forms for building, the free assembling combination of stage body cannot be realized, and this device implementation model entirety cannot shift out, model dissection can not be carried out easily, be unfavorable for the filling of cast material pile up and model test after observe.
The model test stand device system of the above-mentioned unit of comprehensive analysis, also has the following disadvantages:
1. loaded rear generally can not facilitating and intactly Model transfer has been gone out model support, the manual dismounting of reaction beam is carried out in extensible still needing, and operates more loaded down with trivial details, at substantial manpower.
2. the filling of cast material needs the manual dismounting carrying out reaction beam, complicated operation before piling up.
3. existing model test apparatus system can not realize elevating translational and the locking of back timber.
4. when manually shifting out cast material, cast material is easily subject to external disturbance, affects the accuracy of test findings.
In order to more convenient, carry out geomechanical model test efficiently, need to develop a kind of robotization true triaxial Intelligent assembly physical analog test apparatus system, to realize the efficient assembling of test unit and model entirety shifts out.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, there is provided a kind of and assemble flexible, simple to operate, observation convenience, back timber robotization locking, translation can be realized, facilitate the filling of cast material is piled up, model hangs out physical analog test apparatus and test method, thus improve intellectuality, the robotization of test unit.
For achieving the above object, the present invention adopts following technical proposals:
Robotization true triaxial Intelligent assembly physical analog test apparatus system, comprises model counterforce structure and hydraulic loading system; Described model counterforce structure comprises the counter force wall being positioned at surrounding and upper and lower six faces, and six counter force wall compositions hold the space of sample, and each metope is all connected with hydraulic loading system, under hydraulic loading system effect, applies true triaxial load to sample; Wherein top metope can be opened automatically, and the machinery being convenient to sample shifts out.
By the hydraulic loaded control system on each counter force wall of difference Controlling model, the true triaxial of implementation model loads.After off-test, back timber robotization elevating translational system, Liftable floor combination, can facilitate shifting out of implementation model.Avoid artificial dismounting model support, while saving labour, can warranty test model not by disturbance, keep original form during off-test, can the failure mode of observation model material more accurately, obtain test findings more accurately.
Described counter force wall is cancelled structure, counter force wall described in every face is made up of some reaction beams be mutually permanently connected, wherein top reaction beam is provided with back timber robotization elevating translational system, and described back timber robotization elevating translational system comprises back timber hoist cylinder, track, roller and motor.
One end of described back timber hoist cylinder is fixedly connected with top reaction beam, the other end is fixedly connected with described roller by link, described track be arranged in parallel along two lateral reaction copings and extends toward the outer side, described roller under the driving of described motor, along described non-orbiting scroll.
The lifting of top reaction beam is realized by back timber hoist cylinder.When top reaction beam is in lifting state, drives back timber hoist cylinder along rail moving by roller, and then realize the translation of top reaction beam.
The extension of described track is collapsible rail bracket, and described collapsible rail bracket comprises crossbeam, column, diagonal brace; The two ends of described crossbeam respectively with the top of lateral reaction beam and the top of described column hinged, one end and the described crossbeam of described diagonal brace are hinged, the other end is connected with the middle part chute of described column, described diagonal brace is provided with limiting component-slide-bar at chute link, the slide-bar two ends of this end of diagonal brace are provided with set bolt, are screwed and namely realize the relative fixing of slide-bar and chute by the extruding of bolt to the chute be arranged on column.
When being arranged to duty, crossbeam connects around the rotating shaft of lateral reaction back end, and crossbeam-rotating is to level; Column rotates around the other end of crossbeam, and in rotary course, diagonal brace detent ends is along slide, and column rotates to vertical position, screws diagonal brace slide-bar two ends set bolt, fixes its position, with the connection of reinforcing crossmember and diagonal brace, realizes the expansion of collapsible track.After test, by above-mentioned inverse operation, folding track frame can be regained.
Be provided with described back timber hoist cylinder in the below of top reaction beam, the base of described back timber hoist cylinder is fixedly connected with lateral reaction coping; At two described lateral reaction copings, be provided with the sliding rail that top exceeds described top reaction beam, on the reaction beam of described top, the electric car engine be provided with the trolley of auxiliary work, being connected with described trolley, and control the flexible pulley Shift cylinder of described trolley; When top reaction beam described in the jacking of described back timber hoist cylinder to corresponding height and described pulley Shift cylinder is overhanging time, described trolley is along described sliding rail upper surface slide.
Stop when described trolley arrives described sliding rail upper level rising, described pulley Shift cylinder makes described trolley be extended to sliding rail upper surface, described electric car engine makes described trolley move along described sliding rail, realizes automatically shifting out of described top reaction beam.
On the sidewall at described lateral reaction wall top, be provided with the back timber locked cylinder that level is fixing, on the fixed connecting part of described top reaction beam, be provided with the back timber lock hole with described back timber locked cylinder cooperating.
Described hydraulic loading system comprises hydraulic jack and thrust plate, described hydraulic jack is embedded to be fixed in the rectangular grid of each described reaction beam, the termination of described hydraulic jack is fixedly connected with described thrust plate, the described thrust plate that during loading, described hydraulic jack promotes to contact with model moves, thus realizes the loading to all directions of described model.
Each described counter force wall is assembled by each reaction beam, by freely assembled, and the change of implementation model size.
Be provided with the Liftable base plate carrying cast material in described model counterforce structure, comprise base plate, bar shaped steel rib, suspension ring; Described base plate is provided with suspension ring, and described base plate bottom welding has bar shaped steel rib, and wherein steel rib is embedding in the thrust plate reserving gaps of bottom, can act on base plate to facilitate bottom thrust plate and realize bottom-loaded.
The corner of described base plate is provided with suspension ring.
The test method of robotization true triaxial Intelligent assembly physical analog test apparatus system, comprises the following steps:
Step 1: device is set to duty, drives back timber locked cylinder, is unlocked by top reaction beam, drives back timber robotization elevating translational system, is shifted out by described top reaction beam;
Step 2: test material and related sensor are embedded in also compacting in simulation test device, drives back timber robotization elevating translational system, described top reaction beam is retracted original position, and is locked by top reaction beam;
Step 3: model is loaded, monitors and acquisition test data;
Step 4: repeat step 1, complete the unblock of described top reaction beam, rise and shift out, connects lifting part by hoist cable and is hung out by model;
Step 5: top reaction beam is retracted original position and locks, tests complete.
The invention has the beneficial effects as follows:
1, back timber robotization elevating translational system of the present invention, Liftable floor combination, can facilitate shifting out of implementation model, carries out model views and analyse and observe research further and retain after being convenient to test.
2, back timber robotization elevating translational system of the present invention, automatic locking system can realize the robotization of the lifting of back timber, translation, locking, succinctly efficiently, can be applied to that cast material filling is piled up, the assembling of model test apparatus easily, improve test efficiency.
3, collapsible rail bracket of the present invention can fold according to demand or launch, and effectively saves lab space.
Accompanying drawing explanation
Fig. 1 is the present invention's one-piece construction schematic diagram;
Fig. 2 is that in Fig. 1, collapsible rail bracket launches, top reaction beam is removed, model hangs out design sketch;
Fig. 3 is the partial structurtes schematic diagram of A type back timber robotization elevating translational system, automatic locking system;
Fig. 4 is the partial structurtes schematic diagram of Type B back timber robotization elevating translational system, automatic locking system;
Fig. 5 is the inner structure schematic diagram in Fig. 1 after front reaction beam dismounting.
Wherein, 1 model loads counterforce device system, reaction beam bottom 1-1, about 1-2 reaction beam, reaction beam before and after 1-3,1-4 top reaction beam; 2 embedded type hydraulic loading systems, 2-1 embedded type hydraulic oil cylinder, 2-2 thrust plate; 3 back timber robotization elevating translational systems, 3-1 back timber hoist cylinder, 3-2 roller, 3-3 micro-machine, 3-4 track, 3-4 ' sliding rail, 3-5 pulley Shift cylinder, 3-6 trolley; 4 automatic locking systems, 4-1 triangle flange, 4-2 locked cylinder; 5 Liftable base plates, 5-1 base plate, 5-2 bar shaped steel rib, 5-3 suspension ring; 6 collapsible rail brackets, 6-1 crossbeam, 6-2 column, 6-3 diagonal brace, 6-4 set bolt, 6-5 chute.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1:
As shown in Figure 1 and Figure 2: robotization true triaxial Intelligent assembly physical analog test apparatus system comprises model and loads counterforce device system 1, embedded type hydraulic loading system 2, back timber robotization elevating translational system 3, automatic locking system 4, Liftable base plate 5, collapsible rail bracket 6;
As shown in Fig. 2, Fig. 5: the model of robotization true triaxial Intelligent assembly physical analog test apparatus system loads counterforce device system 1, be made up of reaction beam, 1-4 top reaction beam before and after reaction beam, about 1-2 reaction beam, 1-3 bottom 1-1, each reaction beam to be composed of a fixed connection counter force wall form counter force wall assembly with hydraulic loading system by high-strength bolt.
As shown in Figure 2: the back timber robotization elevating translational system 3 of robotization true triaxial Intelligent assembly physical analog test apparatus system, Liftable base plate 5, collapsible rail bracket 6 combine, shifting out of implementation model can be facilitated, its implementation is that collapsible rail bracket launches, robotization lifting, the translation of top reaction beam is completed by back timber robotization elevating translational system 3, crane connects Liftable base plate 5 by hoist cable, is hung out by model.
As shown in Figure 2: the collapsible rail bracket 6 of robotization true triaxial Intelligent assembly physical analog test apparatus system is made up of crossbeam 6-1, column 6-2, diagonal brace 6-3, the folding of collapsible rail bracket can be realized or launch, its implementation is connect around the axle of lateral reaction beam-ends, crossbeam 6-1 rotates to level, connect around other end axle, column 6-2 rotates to vertical, the chute 6-5 screwing diagonal brace 6-3 holds set bolt 6-4, fix its position, with the connection of reinforcing crossmember 6-1 and column 6-2, realize the expansion of collapsible track 6.Collapsible rail bracket 6 can launch according to demand or fold, and effectively saves test space.
As shown in Fig. 3, Fig. 5: the embedded type hydraulic loading system 2 of robotization true triaxial Intelligent assembly physical analog test apparatus system is made up of embedded type hydraulic oil cylinder 2-1 and thrust plate 2-2, wherein said embedded type hydraulic oil cylinder is embedded to be fixed in each reaction beam rectangular grid, realizes the loading to model power by thrust plate 2-2.
Oil cylinder is all fixed on model counterforce structure with ring flange by high-strength bolt, and the thrust plate 2-2 that during loading, hydraulic jack 2-1 promotes to contact with model moves thus realizes the level of model and vertically stress loading.
A type back timber robotization elevating translational system 3 as shown in Figure 3 forms primarily of back timber hoist cylinder 3-1, roller 3-2, micro-machine 3-3, track 3-4, the robotization lifting of top reaction beam, translation can be realized, its implementation is that the roller 3-2 that the back timber hoist cylinder 3-1 being fixed on top reaction beam is connected by cylinder barrel end acts on left and right reaction beam, to control the lifting of back timber, roller 3-2, micro-machine 3-3 are all fixed on cylinder tube end connection, and micro-machine 3-3 driving rolls realizes the translation of back timber.
A type automatic locking system 4 as shown in Figure 3 forms primarily of triangle flange 4-1, locked cylinder 4-2, the robotization locking of top reaction beam can be realized, unlock, its implementation is that the cylinder rod that the locked cylinder 4-2 being fixed on left and right reaction beam releases can insert the triangle flange 4-1 being fixed on top reaction beam, realizes the locking of back timber.
The test method of robotization true triaxial Intelligent assembly physical analog test apparatus system, comprises three phases, and the first stage is the making landfill of cast material; Subordinate phase is that model loads, excavation test; Phase III shifts out for testing rear model.
Concrete test procedure is as follows:
1) collapsible rail bracket is launched;
2) drive the locked cylinder of automatic locking system, top reaction beam is unlocked, by back timber hoist cylinder by top reaction beam jack-up, until triangle flange is higher than front and back reaction beam;
3) start micro-machine, driving rolls realize top reaction beam shift out;
4) test material and related sensor are embedded in model and load also compacting in counterforce device;
5) successively start micro-machine, back timber hoist cylinder, locked cylinder, complete the retracting of top reaction beam, decline, lock;
6) model is loaded, monitoring and acquisition test data;
7) off-test, repeats step 2-3, completes the unblock of top reaction beam, rises, shifts out;
8) crane connects Liftable base plate by hoist cable, is hung out by model;
9) repeat step 5, top reaction beam is retracted original position, collapsible rail bracket is folded up, test complete.
Embodiment 2:
Fig. 4 is Type B back timber robotization elevating translational system, the partial structurtes schematic diagram of automatic locking system, comprise locked cylinder 4-2, back timber hoist cylinder 3-1, pulley Shift cylinder 3-5, micro-machine 3-3, trolley 3-6, sliding rail 3-4 ', wherein locked cylinder 4-2 is connected with triangle flange 4-1 and locks, during system works, locked cylinder 4-2 unlocks, back timber hoist cylinder 3-1 makes back timber robotization elevating translational system rise, when trolley 3-6 height is concordant with the upper surface of sliding rail 3-4 ', to promote trolley 3-6 protruding for pulley Shift cylinder 3-5, back timber hoist cylinder 3-1 declines, final realization drives system mobile along sliding rail 3-4 ' by micro-machine 3-3.
As shown in Figure 5, Liftable base plate 5 comprises base plate 5-1, bar shaped steel rib 5-2, suspension ring 5-3, base plate 5-1 is provided with suspension ring 5-3, described base plate bottom welding has bar shaped steel rib 5-2, wherein steel rib 5-2 can be embedded in the thrust plate 2-2 reserving gaps of bottom, acts on base plate 5-1 realize bottom-loaded to facilitate bottom thrust plate 2-2.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can be without departing from the spirit or scope of the present invention, realize in other embodiments, the part be not described in detail, for prior art, do not repeat at this.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and feature.
Claims (10)
1. robotization true triaxial Intelligent assembly physical analog test apparatus system, is characterized in that: comprise model counterforce structure and hydraulic loading system; Described model counterforce structure comprises the counter force wall being positioned at surrounding and upper and lower six faces, and six counter force wall compositions hold the space of sample, and each metope is all connected with hydraulic loading system, under hydraulic loading system effect, applies true triaxial load to sample; Wherein top metope can be opened automatically, and the machinery being convenient to sample shifts out.
2. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 1, it is characterized in that: described counter force wall is cancelled structure, counter force wall described in every face is made up of some reaction beams be mutually permanently connected, wherein top reaction beam is provided with back timber robotization elevating translational system, and described back timber robotization elevating translational system comprises back timber hoist cylinder, track, roller and motor.
3. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 2, it is characterized in that: one end of described back timber hoist cylinder is fixedly connected with top reaction beam, the other end is fixedly connected with described roller by link, described track be arranged in parallel along two lateral reaction copings and extends toward the outer side, described roller under the driving of described motor, along described non-orbiting scroll.
4. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 3, is characterized in that: the extension of described track is collapsible rail bracket, and described collapsible rail bracket comprises crossbeam, column, diagonal brace; The two ends of described crossbeam respectively with the top of lateral reaction beam and the top of described column hinged, one end and the described crossbeam of described diagonal brace are hinged, the other end is connected with the middle part chute of described column, described diagonal brace is provided with limiting component-slide-bar at chute link, the slide-bar two ends of this end of diagonal brace are provided with set bolt, are screwed and namely realize the relative fixing of slide-bar and chute by the extruding of bolt to the chute be arranged on column.
5. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 2, it is characterized in that: be provided with described back timber hoist cylinder in the below of top reaction beam, the base of described back timber hoist cylinder is fixedly connected with lateral reaction coping; At two described lateral reaction copings, be provided with the sliding rail that top exceeds described top reaction beam, on the reaction beam of described top, the electric car engine be provided with the trolley of auxiliary work, being connected with described trolley, and control the flexible pulley Shift cylinder of described trolley; When top reaction beam described in the jacking of described back timber hoist cylinder to corresponding height and described pulley Shift cylinder is overhanging time, described trolley is along described sliding rail upper surface slide.
6. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 5, it is characterized in that: on the sidewall at described lateral reaction wall top, be provided with the back timber locked cylinder that level is fixing, on the fixed connecting part of described top reaction beam, be provided with the back timber lock hole with described back timber locked cylinder cooperating.
7. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 1, it is characterized in that: described hydraulic loading system comprises hydraulic jack and thrust plate, described hydraulic jack is embedded to be fixed in the rectangular grid of each described reaction beam, the termination of described hydraulic jack is fixedly connected with described thrust plate, the described thrust plate that during loading, described hydraulic jack promotes to contact with model moves, thus realizes the loading to all directions of described model.
8. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 1, is characterized in that: each described counter force wall is assembled by each reaction beam, by freely assembled, and the change of implementation model size.
9. robotization true triaxial Intelligent assembly physical analog test apparatus system according to claim 1, is characterized in that: described Liftable base plate comprises base plate, bar shaped steel rib, suspension ring; Described base plate is provided with suspension ring, and described base plate bottom welding has bar shaped steel rib, and wherein steel rib can be embedded in the thrust plate reserving gaps of bottom, acts on base plate realize bottom-loaded to facilitate bottom thrust plate.
10. the test method of robotization true triaxial Intelligent assembly physical analog test apparatus system, is characterized in that, comprise the following steps:
Step 1: device is set to duty, drives back timber locked cylinder, is unlocked by top reaction beam, drives back timber robotization elevating translational system, is shifted out by described top reaction beam;
Step 2: test material and related sensor are embedded in also compacting in simulation test device, drives back timber robotization elevating translational system, described top reaction beam is retracted original position, and is locked by top reaction beam;
Step 3: model is loaded, monitors and acquisition test data;
Step 4: repeat step 1, complete the unblock of described top reaction beam, rise and shift out, connects lifting part by hoist cable and is hung out by model;
Step 5: top reaction beam is retracted original position and locks, tests complete.
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