CN211479484U - Rotatable similar material simulation experiment device - Google Patents
Rotatable similar material simulation experiment device Download PDFInfo
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- CN211479484U CN211479484U CN201922495789.3U CN201922495789U CN211479484U CN 211479484 U CN211479484 U CN 211479484U CN 201922495789 U CN201922495789 U CN 201922495789U CN 211479484 U CN211479484 U CN 211479484U
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Abstract
The utility model belongs to the technical field of similar material simulation experiments, and relates to a rotatable similar material simulation experiment device, wherein an external horizontal rod and an external vertical rod are welded and fixed with a rotating shaft, the rotating shaft is fixed at the top of a supporting rod, two ends of the supporting rod are respectively welded and fixed with the rotating shaft and a model frame base, an experiment table is connected with the supporting rod through the external horizontal rod, the external vertical rod and the rotating shaft, and the rotation of the experiment table is realized through the rotation of the rotating shaft; the pressurizing plate is fixed with the middle jack, the middle jack is fixed with the top beam of the experiment table, and the pressurizing plate uniformly applies the pressure of the middle jack to the laid similar materials; the upper portion jack is articulated with model frame back timber, laboratory bench back timber respectively, and the lower part jack is articulated with model frame base, laboratory bench bottom plate respectively, and the rotation through the laboratory bench becomes the laying process of horizontal rock stratum with the laying process of slope rock stratum, has reduced the experiment degree of difficulty greatly, and easy operation is just effective.
Description
The technical field is as follows:
the utility model belongs to the technical field of similar material simulation experiment, a rotatable formula similar material simulation experiment device to slope stratum is related to.
Background art:
the similar material simulation experiment is an experimental means for simulating an original rock stratum indoors according to a certain proportion based on actual geological conditions. Compared with the actual geological experiment, the indoor similar material simulation experiment has the advantages of self, and particularly, when the geological condition is complex and the field experiment is difficult to carry out, the advantages of the indoor experiment are more obvious, so that the indoor similar material simulation experiment is very wide in application.
When simulating horizontal rock stratum, only need according to conventional operation, lay at the experiment platform can, nevertheless have certain inclination when the rock stratum, especially the inclination is great, for example during the comparatively common steeply inclined coal seam of mining field and rock stratum, present similar material simulation experiment platform is because it is comparatively fixed, can not carry out nimble rotation operation, so when carrying out the laying of above-mentioned inclined rock stratum, comparatively difficult, is difficult to guarantee simultaneously that the rock stratum inclination keeps unchangeable. Therefore, a similar material simulation experiment platform specially aiming at the inclined rock stratum is needed.
At present, there are also some similar material simulation experiment platforms for deviated rock, for example, CN201811386851.9 discloses a rotatable similar material simulation experiment apparatus and an experiment method, the apparatus includes: the frame comprises a bottom plate and upright posts, and the upright posts are arranged on the periphery of the bottom plate; the test bed is rotatably arranged in the middle of the frame and comprises similar material filling grooves, a pressurizing cylinder and baffle plates, the baffle plates are symmetrically arranged on the front side and the rear side of the similar material filling grooves, each baffle plate comprises a plurality of strip-shaped baffle plates, the strip-shaped baffle plates are sequentially stacked along the height direction of the similar material filling grooves, the pressurizing cylinder is arranged above the strip-shaped baffle plate on the uppermost layer, and the similar material filling grooves are used for filling and laying similar materials; the swinging ring is fixedly arranged on the outer side of the test bed; the driving mechanism is used for driving the swinging ring to rotate a set angle relative to the frame; the device is complex, the number of the device is large, the weight of the whole test bed is basically born by the auxiliary wheel at the bottom, the auxiliary wheel also bears the weight of the whole test bed, similar materials and swinging rings which can reach several tons when the auxiliary wheel plays a role of rotation, the auxiliary wheel is easy to damage, in addition, the swinging rings are driven by the motor, the requirement on the power of the motor is high, and the stability and the realization easiness are not as good as those of a jack; CN201320178389X discloses rotatable similar material analogue test platform, it includes cuboid test frame, support and is located the swing circle of cuboid test frame one side, evenly is provided with handle and scale mark on the swing circle, and the intersection on cuboid test frame is provided with two connecting rods alternately, is provided with the rotary trough at the intersect department of connecting rod, and the rotary trough is connected with the center department of swing circle through the connecting axle. When the inclined or steeply inclined coal seam needs to be simulated, the handle can be rotated to enable the swinging ring to rotate, the swinging ring drives the cuboid test frame to rotate through the connecting shaft, the rotatable test bed can realize the stress simulation that overlying strata and a bottom rock stratum approach the actual condition, and a foundation is laid for the prediction of the mine pressure change after the mining of the on-site inclined or steeply inclined coal seam; however, the manual rotation is difficult to realize for a test bed which can reach several tons of weight, and the realization is very laborious; in addition, the rotation precision is difficult to control due to manual rotation, a limiting safety device is lacked, the rotation precision cannot be guaranteed, the rotation angle cannot be guaranteed to be fixed and unchanged, and potential safety hazards exist.
The invention content is as follows:
the utility model discloses a shortcoming that prior art exists is overcome to the invention, is difficult to the problem of simulation slope stratum to present similar material simulation experiment platform, designs and provides a rotatable formula similar material simulation experiment device for carry out similar material simulation experiment to slope and steeply-inclined stratum.
In order to achieve the above object, the main structure of the rotatable similar material simulation experiment device of the present invention comprises a model frame, an experiment table, an upper jack, a lower jack, an additional vertical rod, an additional horizontal rod, a support rod, a circular bolt hole, a fixed rod, a fixed base, a bar bolt hole and a rotating shaft, wherein the experiment table comprises an experiment table bottom plate, an experiment table side plate consisting of a left side plate and a right side plate, a rectangular baffle consisting of a front baffle and a rear baffle, an experiment table top beam, a middle jack and a pressurizing plate; the model frame base, the model frame vertical beam and the model frame top beam are all made of section steel materials and are fixed together in a welding mode to form a model frame, and the model frame vertical beam consists of a left vertical beam and a right vertical beam; circular bolt holes are formed in the two ends of the rectangular baffle, the two ends of the experiment table side plate and the two ends of the fixing rod, strip-shaped bolt holes are formed in the middle of the fixing base, the fixing base is fixedly welded on the model frame base, the fixing rod fixedly welds the experiment table side plate and the fixing base together through the circular bolt holes and the strip-shaped bolt holes, and the number and the length of the fixing rod are determined according to experiment requirements; the rectangular baffles are sequentially arranged along the vertical direction and are welded and fixed with the experiment table side plate through circular bolt holes at two ends, and the experiment table side plate, the experiment table bottom plate and the rectangular baffles form a box-type working groove with a uncovered structure; the external cross rod, the left side plate and the right side plate are welded and fixed together, the external vertical rod, the top beam of the experiment table and the bottom plate of the experiment table are welded and fixed together, the external cross rod and the external vertical rod are welded and fixed together with the rotating shaft, the rotating shaft is fixed at the top of the supporting rod, two ends of the supporting rod are respectively welded and fixed together with the rotating shaft and the base of the model frame, the experiment table is connected with the supporting rod through the external cross rod, the external vertical rod and the rotating shaft, and the rotation of the rotating shaft is realized; the pressurizing plate is fixed with the middle jack, the middle jack is fixed with the top beam of the experiment table, and the pressurizing plate uniformly applies the pressure of the middle jack to the laid similar materials; the upper jack is respectively hinged with the model frame top beam and the experiment table top beam, and the lower jack is respectively hinged with the model frame base and the experiment table bottom plate, so as to realize the purpose of rotation.
The utility model discloses carry out similar material simulation experiment's concrete step as follows to the slope stratum (dead lever is in operating condition when not experimenting):
s1: the fixed rod is removed, so that the experiment table is in a rotatable state;
s2: pressurizing the upper jack and the lower jack, and rotating the experiment table through a rotating shaft under the hydraulic action until the experiment table rotates to a set angle, namely a rock stratum inclination angle;
s3: according to the thickness of an original rock stratum and an experimental design, a rectangular baffle is gradually added on a side plate of the experiment table through a circular bolt hole 8, and a working groove is formed;
s4: a fixed rod is installed to ensure the stability of the experiment table;
s5: according to the experimental design, similar materials are flatly paved into a working groove layer by layer, after one rock stratum is tamped, the upper rock stratum is continuously paved and tamped until all rock stratums are paved, and the process is the same as that of a general similar material simulation experiment process;
s6: the fixing rods are dismantled one by one, the fixing between the side plate and the fixed base of the experiment table is removed, the upper jack and the lower jack release pressure, the experiment table is reset, and after the resetting, the fixing rods are fixed again to increase the stability of the experiment table;
s7: and standing for a period of time, after the similar materials are dried in the air, removing the rectangular baffle, and uniformly applying stress to the similar materials by the middle jack through the pressurizing plate.
Compared with the prior art, the utility model, to the slope stratum, through the rotation of laboratory bench, become the laying process of horizontal stratum with the laying process of slope stratum, reduced the experiment degree of difficulty greatly, easy operation and effective.
Description of the drawings:
fig. 1 is the original schematic diagram of the main structure of the rotatable similar material simulation experiment device of the utility model.
Fig. 2 is a front view of the rotatable similar material simulation experiment device after rotating a certain angle.
Fig. 3 is a left side view of the rotatable similar material simulation experiment device of the present invention.
Fig. 4 is a schematic view of the hinge mode of the rotatable similar material simulation experiment device of the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example (b):
the model frame is mainly composed of a model frame 1 and an experiment table 2, the structure of the model frame is shown in figure 1, the model frame 1 is composed of a model frame base 1-1, a model frame vertical beam 1-2 and a model frame top beam 1-3 which are welded, the model frame base 1-1, the model frame vertical beam 1-2 and the model frame top beam 1-3 are all made of section steel materials, and the model frame vertical beam 1-2 is composed of a left vertical beam 1-2-1 and a right vertical beam 1-2-2;
the experiment table 2 comprises an experiment table bottom plate 2-1, experiment table side plates 2-2, rectangular baffle plates 2-3, experiment table top beams 2-4, a middle jack 2-5 and a pressurizing plate 2-6; the experiment table side plate 2-2 is divided into a left side plate 2-2-1 and a right side plate 2-2-2, the rectangular baffle plate 2-3 consists of a front baffle plate 2-3-1 and a rear baffle plate 2-3-2, and circular bolt holes 8 are formed in the two ends of the rectangular baffle plate 2-3 and the experiment table side plate 2-2; the rectangular baffles 2-3 are sequentially arranged along the vertical direction and are fixed with the lateral plates 2-2 of the experiment table through circular bolt holes 8 at two ends, and the lateral plates 2-2 of the experiment table, the bottom plate 2-1 of the experiment table and the rectangular baffles 2-3 jointly form a working groove of a box type uncovered structure; the external cross rod 6 is welded with the left side plate 2-2-1 and the right side plate 2-2-2 together, the external vertical rod 5 is welded with the experiment table top beam 2-4 and the experiment table bottom plate 2-1 together, the external cross rod 6 and the external vertical rod 5 are both welded with the rotating shaft 12, the rotating shaft 12 is welded at the top of the supporting rod 7, two ends of the supporting rod 7 are respectively fixed with the rotating shaft 12 and the model frame base 1-1 together, the experiment table 2 is connected with the supporting rod 7 through the external cross rod 6, the external vertical rod 5 and the rotating shaft 12, and the rotating shaft 12 can rotate; the pressurizing plates 2-6 are fixed with the middle jacks 2-5, the middle jacks 2-5 are fixed with the top beams 2-4 of the experiment table, and the pressurizing plates 2-6 are used for uniformly applying the pressure of the middle jacks 2-5 to the laid similar materials;
the fixing base 10 is welded on the model frame base 1-1, the middle part of the fixing base 10 is provided with a strip bolt hole 11, two ends of a fixing rod 9 are provided with circular bolt holes 8, and the fixing rod 9 is used for fixing the experiment table side plate 2-2 and the fixing base 10 together through the circular bolt holes 8 and the strip bolt holes 11, so that the stability of the experiment table 2 is improved; the length of the fixed rod 9 is not only, a plurality of fixed rods 9 are provided as required, and the lengths of the plurality of fixed rods 9 are different;
the upper jack 3 is respectively connected with a model frame top beam 1-3 and an experiment table top beam 2-4, the lower jack 4 is respectively connected with a model frame base 1-1 and an experiment table bottom plate 2-1, the connection modes are hinged, and the hinge mode is shown in figure 4.
In the embodiment, the rotation of the experiment table 2 can be realized by 60 degrees at most, the sizes of the model frame 1, the experiment table 2, the upper jack 3, the lower jack 4 and related structures can be changed according to the inclination angle of a required simulated rock stratum, and meanwhile, a ground rotating device can be additionally arranged on the basis of the invention to realize the clockwise rotation of the experiment table 2 or realize the clockwise rotation by adopting other methods in consideration of the front-back symmetry characteristic of the experiment device.
The concrete steps of the similar material simulation experiment of the inclined rock stratum in the embodiment are as follows (the fixed rod is in a working state when the experiment is not carried out):
s1: the fixed rod 9 is removed, so that the experiment table 2 is in a rotatable state;
s2: pressurizing the upper jack 3 and the lower jack 4, and rotating the experiment table 2 through the rotating shaft 12 under the hydraulic action until the experiment table rotates to a set angle, namely a rock stratum inclination angle;
s3: according to the thickness of an original rock stratum and an experimental design, a rectangular baffle plate 2-3 is gradually added on a side plate 2-2 of an experiment table through a circular bolt hole 8, and a working groove is formed;
s4: a fixing rod 9 is installed to ensure the stability of the experiment table 2;
s5: according to the experimental design, similar materials are flatly paved into a working groove layer by layer, after one rock stratum is tamped, the upper rock stratum is continuously paved and tamped until all rock stratums are paved, and the process is the same as that of a general similar material simulation experiment process;
s6: the fixing rods 9 are dismantled one by one, the fixing between the experiment table side plate 2-2 and the fixing base 10 is removed, the upper jack 3 and the lower jack 4 are decompressed, the experiment table 2 is reset, and after the resetting, the fixing rods 9 are fixed again to increase the stability of the experiment table 2;
s7: and standing for a period of time, after the similar materials are dried in the air, removing the rectangular baffle plates 2-3, and uniformly applying stress to the similar materials by the middle jack 2-5 through the pressurizing plate 2-6.
Claims (1)
1. A rotatable similar material simulation experiment device is characterized in that a main body structure comprises a model frame, an experiment table, an upper jack, a lower jack, an additional vertical rod, an additional transverse rod, a supporting rod, a circular bolt hole, a fixing rod, a fixing base, a strip-shaped bolt hole and a rotating shaft, wherein the experiment table comprises an experiment table bottom plate, an experiment table side plate consisting of a left side plate and a right side plate, a rectangular baffle consisting of a front baffle and a rear baffle, an experiment table top beam, a middle jack and a pressurizing plate; the model frame base, the model frame vertical beam and the model frame top beam are all made of section steel materials and are fixed together in a welding mode to form a model frame, and the model frame vertical beam consists of a left vertical beam and a right vertical beam; circular bolt holes are formed in the two ends of the rectangular baffle, the two ends of the experiment table side plate and the two ends of the fixing rod, strip-shaped bolt holes are formed in the middle of the fixing base, the fixing base is fixedly welded on the model frame base, the fixing rod fixedly welds the experiment table side plate and the fixing base together through the circular bolt holes and the strip-shaped bolt holes, and the number and the length of the fixing rod are determined according to experiment requirements; the rectangular baffles are sequentially arranged along the vertical direction and are welded and fixed with the experiment table side plate through circular bolt holes at two ends, and the experiment table side plate, the experiment table bottom plate and the rectangular baffles form a box-type working groove with a uncovered structure; the external cross rod, the left side plate and the right side plate are welded and fixed together, the external vertical rod, the top beam of the experiment table and the bottom plate of the experiment table are welded and fixed together, the external cross rod and the external vertical rod are welded and fixed together with the rotating shaft, the rotating shaft is fixed at the top of the supporting rod, two ends of the supporting rod are respectively welded and fixed together with the rotating shaft and the base of the model frame, the experiment table is connected with the supporting rod through the external cross rod, the external vertical rod and the rotating shaft, and the rotation of the rotating shaft is realized; the pressurizing plate is fixed with the middle jack, the middle jack is fixed with the top beam of the experiment table, and the pressurizing plate uniformly applies the pressure of the middle jack to the laid similar materials; the upper jack is respectively hinged with the model frame top beam and the experiment table top beam, and the lower jack is respectively hinged with the model frame base and the experiment table bottom plate.
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| CN201922495789.3U CN211479484U (en) | 2019-12-31 | 2019-12-31 | Rotatable similar material simulation experiment device |
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| CN111063247A (en) * | 2019-12-31 | 2020-04-24 | 青岛理工大学 | Rotatable similar material simulation experiment device and method |
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| CN111063247A (en) * | 2019-12-31 | 2020-04-24 | 青岛理工大学 | Rotatable similar material simulation experiment device and method |
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