CN105954076B - A kind of modelling system for physical simulation experiment - Google Patents
A kind of modelling system for physical simulation experiment Download PDFInfo
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- CN105954076B CN105954076B CN201610298449.XA CN201610298449A CN105954076B CN 105954076 B CN105954076 B CN 105954076B CN 201610298449 A CN201610298449 A CN 201610298449A CN 105954076 B CN105954076 B CN 105954076B
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- roll adjustment
- air motor
- box body
- walking
- connecting plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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Abstract
The present invention is a kind of modelling system for physical simulation experiment, including experimental box body and the tamping unit being installed on experimental box body；The upper end of experimental box body is equipped with two rows of rack gears being parallel to each other, tamping unit includes compacting impact head, blow cylinder, junction steel plate, tamp connecting plate, walking air motor, walking gear, feed well, guide rod, roll adjustment stud and roll adjustment air motor, middle part and both ends on junction steel plate are installed altogether there are three blow cylinder, the piston push rod front end of blow cylinder is fixed with compacting impact head, it tamps connecting plate bottom end and experimental box body top is set to by walking gear, walking gear and rack gear are mutually ratcheting, tamp the walking air motor advanced on connecting plate equipped with control walking gear, the connected roll adjustment stud in the upper end of blow cylinder in the middle part of junction steel plate, remaining blow cylinder upper end is connected guide rod.The Ramming operation of the achievable experimental material of the present invention, reduces labor intensity, and keeps the experimental model obtained and prototype similarity degree higher.
Description
Technical field
The present invention relates to physical simulation experimental technique fields, more particularly relate to a kind of real for physical simulation
The modelling system tested.
Background technique
China is world's first coal power, and coal production accounts for the 48.3% of the world, while coal is the main of China again
The energy accounts for the 76% and 69% of non-renewable energy production and consumption total amount respectively.However, China is also the high-incidence state of coal mining accident
Family, the accidents such as water, fire, gas, top plate seriously threaten the life security and property safety of mine operation personnel.In order to effective
The generation of Restraining Accidents of Coal Mines, scholars have carried out a large amount of experiment, study the pests occurrence rule of disaster accident, physical simulation
It is a kind of important means.
The physical simulation experiment carried out at this stage is mainly plane physical simulation experiment and large-scale three dimensional physical mould
Draft experiment, it is in the majority to study the distribution of mine pressure and overlying strata movement.Physical simulation is to make in laboratory by the principle of similitude
Experimental model similar with prototype geometry, mechanics parameter, by the mechanics parameter and overlying strata fortune inside test equipment observation model
Dynamic rule, using the result of study on model, so as to inferring that the Mechanics Phenomenon that may occur in prototype and overlying strata move.Cause
This, the similarity degree of model and prototype will directly influence the order of accuarcy of experiment.However, at this stage in the production of experimental model
It in the process, is mostly manually to carry out, the uncertain factor of people brings uncertainty to experimental model production, therefore cannot be accurate
Controlling model mechanics parameter, and manually carry out the shortcomings that there are large labor intensities.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of models for physical simulation experiment
Manufacturing system can complete the Ramming operation of physics analog material, mitigate personnel labor intensity.
The present invention is achieved like this, a kind of modelling system for physical simulation experiment, including experiment
Cabinet and the tamping unit being installed on experimental box body；The upper end of the experimental box body is equipped with two rows of rack gears being parallel to each other,
The tamping unit includes compacting impact head, blow cylinder, junction steel plate, compacting connecting plate, walking air motor, walking tooth
Wheel, feed well, guide rod, roll adjustment stud and roll adjustment air motor, middle part and both ends on the junction steel plate are equipped with three altogether
The blow cylinder of a downward percussion, the piston push rod front end of three blow cylinders are fixedly connected with a compacting impact
The bottom end of head, the compacting connecting plate is set to the top of experimental box body, the walking gear and experimental box by walking gear
Two tooth-arranging strips of body upper end installation are mutually ratcheting, and the pneumatic horse of walking that control walking gear is advanced is equipped on the compacting connecting plate
It reaches, the connected roll adjustment stud in the upper end of the blow cylinder in the middle part of the junction steel plate, the upper end of other two blow cylinder, which is connected, leads
To bar, the roll adjustment stud and guide rod are pierced by compacting connecting plate upwards, and the roll adjustment air motor is installed on compacting connecting plate
Control that is upper and being moved up and down with roll adjustment Stud connection, the roll adjustment stud by roll adjustment air motor, the feed well peace
On compacting connecting plate.
It further, further include the gas source mechanism of driving walking air motor, roll adjustment air motor and blow cylinder work.
Further, the gas source mechanism includes gas station and solenoid directional control valve, the walking air motor, roll adjustment air motor
It is connect respectively through solenoid directional control valve with gas station with blow cylinder.
Further, the modelling system further includes rabbling mechanism and feed mechanism；
Further, the rabbling mechanism is the blender for being stirred to experimental material；
The feed mechanism is used to receive the experimental material that blender is stirred and is delivered in experimental box body；The feeding
Mechanism includes feed frame and feeding hopper, the feed frame be provided with motor, first rotating shaft, first wheel, the second shaft,
The transmission shaft of second wheel hub and belt, the motor is connect with first rotating shaft, and the first wheel is arranged in first rotating shaft simultaneously
It being rotated by first rotating shaft drive, second wheel hub and the second shaft are set on the feed frame above first rotating shaft,
Second wheel hub is installed in the second shaft, passes through the belt connection of winding, institute between the first rotating shaft and the second shaft
Feeding hopper is stated to be installed on belt.
Further, the bottom of the feed well is provided with drain spout.
Further, limit switches are set on the compacting connecting plate.
Further, pressure sensor is provided on the compacting impact head.
The invention has the following beneficial effects:
The present invention provides a kind of modelling systems for physical simulation experiment, can complete experimental material
Ramming operation can reduce the labor intensity of personnel while reducing the uncertain factor of people, convenient for control, when use
By mechanical work, the similarity degree of the experimental model obtained and prototype can be made higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of modelling system schematic for physical simulation experiment provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of feed mechanism in the embodiment of the present invention；.
In figure, 1- experimental box body, 2- experimental model, 3- compacting impact head, 4- feed well, 5- pressure sensor, 6- impact
Cylinder, 7- junction steel plate, 8- rack gear, 9- walking gear, 10- guide rod, 11- roll adjustment air motor, 12- roll adjustment stud, 13- limit
Bit switch, 14- tamp connecting plate, and 15- walks air motor, 16- solenoid directional control valve, 17- gas station, the second wheel hub of 18-, on 19-
Expect rack, 20- motor, 21- first rotating shaft, 22- first wheel, 23- feeding hopper, 24- belt, the second shaft of 25-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 illustratively shows the modelling system provided in an embodiment of the present invention for physical simulation experiment
Schematic diagram.As shown in Figure 1, a kind of model tamper system for physical simulation experiment provided in an embodiment of the present invention,
Including experimental box body 1 and the tamping unit being installed on experimental box body 1；The upper end of experimental box body 1 is equipped with two rows and is parallel to each other
Rack gear 8, tamping unit include compacting impact head 3, blow cylinder 6, junction steel plate 7, compacting connecting plate 14, walking air motor
15, walking gear 9, feed well 4, guide rod 10, roll adjustment stud 12 and roll adjustment air motor 11, middle part on junction steel plate 7 and
The blow cylinder 6 there are three downward percussion is installed at both ends altogether, and the piston push rod front end of three blow cylinders 6 is fixedly connected with
The bottom end of one compacting impact head 3, compacting connecting plate 14 is set to the top of experimental box body 1, walking gear by walking gear 9
9 is mutually ratcheting with two tooth-arranging strips 8 of 1 upper end of experimental box body installation, tamps and is equipped with what control walking gear 9 was advanced on connecting plate 14
Walking air motor 15, the connected roll adjustment stud 12 in upper end of the blow cylinder 6 at 7 middle part of junction steel plate, other two blow cylinder 6
Upper end be connected guide rod 10, roll adjustment stud 12 and guide rod 10 are pierced by compacting connecting plate 14 upwards, and roll adjustment air motor 11 is pacified
Loaded on connecting on compacting connecting plate 14 and with roll adjustment stud 12, roll adjustment stud 12 is moved up and down by roll adjustment air motor 11
Control, feed well 4 are installed on compacting connecting plate 14, and the bottom of feed well 4 is provided with drain spout.By feed well 4 to reality
The experimental material mixed is added in tryoff body 1, so that experimental material be made to reach the bottom of experimental box body 1, and then passes through this system
Tamping unit to carry out Ramming operation to experimental material, to obtain experimental model 2.
As shown in Figure 1, the modelling system of the embodiment of the present invention further includes driving walking air motor 15, roll adjustment pneumatic
The gas source mechanism that motor 11 and blow cylinder 6 work, in embodiments of the present invention, gas source mechanism includes gas station 17 and electromagnetic switch
Valve 16, walking air motor 15, roll adjustment air motor 11 and blow cylinder 6 are connect through solenoid directional control valve 16 with gas station 17 respectively,
Gas source mechanism is the power source of whole system, is capable of providing high pressure gas, drives air motor and blow cylinder work.
Further, the modelling system of the embodiment of the present invention further includes rabbling mechanism and feed mechanism；
In embodiments of the present invention, rabbling mechanism is the blender for being stirred to experimental material；
In embodiments of the present invention, feed mechanism is used to receive experimental material that blender is stirred and is delivered to experimental box
In body 1；As shown in Fig. 2, the feed mechanism of the embodiment of the present invention includes feed frame 19 and feeding hopper 23, feed frame 19 is used
In the entire feed mechanism of support, during actual use, a feed belt is added between feed mechanism and experimental box body 1, is used for
Transmission of the experimental material from feed mechanism to experimental box body 1, feeding hopper 23 are similar for collecting the physics that blender is stirred
The physics analog material of collection is simultaneously poured into feed belt to which physics analog material is entered experiment by feed well 4 by material
In cabinet 1, as shown in Fig. 2, feed frame 19 is provided with motor 20, first rotating shaft 21, first wheel 22, the second shaft 25,
The transmission shaft of two wheel hubs 18 and belt 24, motor 20 is connect with first rotating shaft 21, and first wheel 22 is arranged in first rotating shaft 21
And rotated by the drive of first rotating shaft 21, the second wheel hub 18 and the second shaft 25 are set to the feeder above first rotating shaft 21
On frame 19, the second wheel hub 18 is installed in the second shaft 25, passes through the belt of winding between first rotating shaft 21 and the second shaft 25
24 connections, feeding hopper 23 are installed on belt 24.In progress feed mechanism in use, by control motor 20, will turn
It is dynamic to pass to first rotating shaft 21, and then the feeding hopper 23 on belt 24 is driven to carry out raising and lowering, to utilize feeding material
The supply that bucket 23 carries out materials is added and to experimental box body 1 to the supplement of material, while being capable of reduction equipment to a greater extent
Occupied area.
It tamps and limit switches 13 is set on connecting plate 14.
Pressure sensor 5 is provided on compacting impact head 3.
In modelling system of the embodiment of the present invention for physical simulation experiment, tamping unit can be completed to test
The laying of material strikes off and Ramming operation.It present invention can be mainly used for the modelling of three dimensional physical similarity simulation experiment.It is first
First according to experiment needs, a certain specific mine is selected, according to the coal seam thickness of experimental prototype and rock stratum histogram and rock mass
Mechanics parameter obtains the material mixture ratio of model according to the theory of similarity.According to the proportion of model, by physics analog material sand, stone
Cream, chalk powder, water weighing, then fill and stir in blender 28；Then the physics analog material stirred evenly is passed through into blender
It pours into feed hopper, then is poured into the feed well 4 of tamping unit by feed hopper, the physics that feed well 4 will stir evenly
Analog material is transported in experimental box body 1, is then started tamping unit uplink and is walked air motor 15, walking air motor 15 drives
Walking gear 9 is walked on rack gear 8, by physics analog material from one end spreading of experimental box body 1 to other end, is then limited
Switch 13 starts, and walking air motor 15 stops, and starts roll adjustment air motor 11, and decline roll adjustment stud 12 arrives predetermined altitude, opens
Dynamic walking air motor 15 is reversely walked, and experimental material is struck off, until starting side, limit switch 13 starts, and walking stops.It is logical
It crosses solenoid directional control valve 16 and enters high pressure gas to impact cylinder pressure 6, impact cylinder pressure 6 pushes compacting impact head under high-pressure air source effect
3, to tamping for loose experimental material, power is tamped by pressure sensor 5 and is transferred to computer, and make in the pressure of pre set force
It is continued for some time under.Then the Ramming operation of next section of discrete material is carried out.After the completion of layer of material compacting, continue
The laying work of lower layer of material, until the filling of experimental model 2 finishes.
A kind of modelling system for physical simulation experiment provided in an embodiment of the present invention, can complete to test
Experiment spice, feeding, the Ramming operation of material can reduce the labour of personnel while reducing the uncertain factor of people
Intensity, by mechanical work when use, can make the similarity degree of the experimental model obtained and prototype higher convenient for control.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of modelling system for physical simulation experiment, which is characterized in that including experimental box body (1) and installation
Tamping unit on experimental box body (1)；The upper end of the experimental box body (1) is equipped with two rows of rack gears (8) being parallel to each other, institute
Stating tamping unit includes compacting impact head (3), blow cylinder (6), junction steel plate (7), compacting connecting plate (14), the pneumatic horse of walking
Up to (15), walking gear (9), feed well (4), guide rod (10), roll adjustment stud (12) and roll adjustment air motor (11), the company
It connects middle part and both ends on steel plate (7) and blow cylinder (6) there are three downward percussion, three blow cylinders is installed altogether
(6) piston push rod front end is fixedly connected with a compacting impact head (3), and the bottom end of compacting connecting plate (14) passes through walking
Gear (9) is set to the top of experimental box body (1), two tooth-arranging strips of the walking gear (9) and the installation of experimental box body (1) upper end
(8) mutually ratcheting, the walking air motor (15) that control walking gear (9) is advanced, institute are installed on compacting connecting plate (14)
State the blow cylinder (6) in the middle part of junction steel plate (7) upper end be connected roll adjustment stud (12), other two blow cylinder (6) it is upper
It holds and is connected guide rod (10), the roll adjustment stud (12) and guide rod (10) are pierced by compacting connecting plate (14), the roll adjustment upwards
Air motor (11) is installed in compacting connecting plate (14) and connect with roll adjustment stud (12), and the roll adjustment stud (12) is by roll adjustment
The control that air motor (11) moves up and down, the feed well (4) are installed on compacting connecting plate (14).
2. a kind of modelling system for physical simulation experiment as described in claim 1, which is characterized in that also wrap
Include the gas source mechanism of driving walking air motor (15), roll adjustment air motor (11) and blow cylinder (6) work.
3. a kind of modelling system for physical simulation experiment as claimed in claim 2, which is characterized in that described
Gas source mechanism includes gas station (17) and solenoid directional control valve (16), the walking air motor (15), roll adjustment air motor (11) and
Blow cylinder (6) is connect through solenoid directional control valve (16) with gas station (17) respectively.
4. a kind of modelling system for physical simulation experiment a method according to any one of claims 1-3, feature exist
In the modelling system further includes rabbling mechanism and feed mechanism.
5. a kind of modelling system for physical simulation experiment as claimed in claim 4, which is characterized in that described
Rabbling mechanism is the blender for being stirred to experimental material；
The feed mechanism is used to receive the experimental material that blender is stirred and is delivered in experimental box body (1)；The feeding
Mechanism includes feed frame (19) and feeding hopper (23), and the feed frame (19) is provided with motor (20), first rotating shaft
(21), first wheel (22), the second shaft (25), the second wheel hub (18) and belt (24), the transmission shaft of the motor (20) with
First rotating shaft (21) connection, the first wheel (22), which is arranged on first rotating shaft (21) and is driven by first rotating shaft (21), to carry out
Rotation, second wheel hub (18) and the second shaft (25) are set on the feed frame (19) above first rotating shaft (21), institute
It states the second wheel hub (18) to be installed on the second shaft (25), passes through winding between the first rotating shaft (21) and the second shaft (25)
Belt (24) connection, the feeding hopper (23) is installed on belt (24).
6. a kind of modelling system for physical simulation experiment as described in claim 1, which is characterized in that described
The bottom of feed well (4) is provided with drain spout.
7. a kind of modelling system for physical simulation experiment as described in claim 1, which is characterized in that described
It tamps and limit switches (13) is set on connecting plate (14).
8. a kind of modelling system for physical simulation experiment as described in claim 1, which is characterized in that described
Pressure sensor (5) are provided in compacting impact head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298449.XA CN105954076B (en) | 2016-04-28 | 2016-04-28 | A kind of modelling system for physical simulation experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298449.XA CN105954076B (en) | 2016-04-28 | 2016-04-28 | A kind of modelling system for physical simulation experiment |
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| Publication Number | Publication Date |
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| CN105954076A CN105954076A (en) | 2016-09-21 |
| CN105954076B true CN105954076B (en) | 2019-02-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845104A (en) * | 2018-05-28 | 2018-11-20 | 河南理工大学 | A kind of mine analog simulation coal rock layer filling compacting forming experiment method |
| CN108825305B (en) * | 2018-06-22 | 2019-10-22 | 西安科技大学 | It is unidirectional to impact lower energy conduction path and conduction efficiency test method |
| CN110514804A (en) * | 2019-08-30 | 2019-11-29 | 西安科技大学 | A kind of Seam Mining physical simulation experiment filling device and packing method |
| CN111798730A (en) * | 2020-06-18 | 2020-10-20 | 山东大学 | Full-automatic filler tamping system and method suitable for geomechanical model test |
| CN117554144B (en) * | 2024-01-11 | 2024-03-22 | 中国矿业大学(北京) | Tunnel physical model test device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427917C (en) * | 2005-07-29 | 2008-10-22 | 长安大学 | Indoor asphalt mixture rotating and vibrating compactor |
| CN101299039B (en) * | 2008-04-16 | 2012-01-11 | 河南高远公路养护设备股份有限公司 | Asphalt mixture die setting molding experiment instrument |
| CN102042923B (en) * | 2010-11-11 | 2013-10-02 | 江苏省交通科学研究院股份有限公司 | Indoor grinding and forming instrument of bituminous mixture test specimen and forming control method thereof |
| CN104933937B (en) * | 2015-07-01 | 2016-02-03 | 中国矿业大学(北京) | A kind of 3D prints physical simulation model experiment platform and application process |
| CN105092331A (en) * | 2015-08-19 | 2015-11-25 | 东北电力大学 | Full-automatic reciprocating sand sample preparing instrument |
| CN105259332B (en) * | 2015-11-10 | 2017-07-04 | 西安科技大学 | A kind of similar material simulation experiment device and method |
| CN105353093B (en) * | 2015-12-03 | 2017-03-29 | 山东科技大学 | A kind of automatic laying device and its using method for Equivalent Materials Testing |
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