CN207570591U - A kind of experimental rig of obturation multi- scenarios method maintenance - Google Patents
A kind of experimental rig of obturation multi- scenarios method maintenance Download PDFInfo
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- CN207570591U CN207570591U CN201721536921.5U CN201721536921U CN207570591U CN 207570591 U CN207570591 U CN 207570591U CN 201721536921 U CN201721536921 U CN 201721536921U CN 207570591 U CN207570591 U CN 207570591U
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Abstract
The utility model provides a kind of experimental rig of obturation multi- scenarios method maintenance, belongs to underground filling technical field.The device includes temperature control system, control pressurer system, humidity control system, consolidation draining system and data collecting system, paste body filling body is placed in interior maintenance cylinder, it is wrapped up with outer maintenance cylinder in outside, pressue device applies pressure, the transmission of power is carried out between ball-screw push rod and obturation slurry by force-transmitting piston, pressure sensor is used to weigh the size of pressure；Temperature in heat-protecting glass is controlled by convection fan and Temperature controlled heater, and passes through the temperature in temperature sensor monitors heat-protecting glass；Humidistat is placed in heat-protecting glass, and conductivity, temperature sensor and pore water pressure, temperature sensor are embedded in obturation slurry, and is passed through conducting wire and be attached with data collecting instrument and computer.The present apparatus can simultaneously control the temperature of obturation, pressure, humidity and drainage condition, simulate more true care environments.
Description
Technical field
The utility model is related to underground filling technical fields, particularly relate to a kind of experiment dress of obturation multi- scenarios method maintenance
It puts.
Background technology
With the gradually progress of underground mining work, underground will appear a large amount of goaf, and the presence in these goafs is not
Earth's surface can only be had an impact, can also influence the safety of underground labour and equipment, the method for mining by the way of filling can solve goaf collapse and
The problems such as surface subsidence, becomes one of 21 century mine master mining methods to be used.The method of mining by the way of filling is mainly by obturation
Underground goaf is filled to, improves the rate of recovery of ore and the safety coefficient of underground.
Obturation mainly be mixed by solid waste, cement and water, can add when necessary a certain amount of water-reducing agent,
Mineral additive, flyash etc..Certain hydration can occur between each other for these mixtures, generate hydrated product, a side
Hydration reaction occurs for face, cement and water, releases certain heat, the temperature inside obturation is made to change, and obturation
Heat exchange can also occur between country rock.On the other hand, cement amount number can influence cement and water hydration reaction occurs
Degree, the hydrated reaction product of generation are accumulated in the hole inside obturation, influence the seepage flow behavior inside obturation.Its
Secondary, obturation can also be acted on by the pressure of its overlying rock, the hole inside obturation be made to be extruded under stress closely knit.Cause
This, the effect of obturation heated-water-power-change multi- scenarios method in stope in maintenance processes, shows temperature change, pressure
The features such as variation, pore water pressure variation and conductivity variations, the final intensity for influencing obturation.
In traditional laboratory test, obturation is carried out commonly under the conditions of constant temperature and humidity (20 ° of temperature, humidity 95%)
Maintenance can not consider overburden pressure effect of the obturation in maintenance processes, it is difficult to which it is true in underground to simulate obturation
Care environments.And the strength development of obturation be heated more of power-chemistry of-water-influence collective effect, different care environments pair
The influence on development of strength of filling mass is larger.The strength of filling mass that sampling and testing obtains in stope is filled than what general room was tested
It fills out body intensity and is higher by 1~5 times, therefore, to study more performances and strength development rule of the obturation in true care environments
Rule need to develop the experimental rig for the multi- scenarios method maintenance that can simulate the true care environments in obturation underground.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of experimental rigs of obturation multi- scenarios method maintenance, can
The variation of monitoring obturation internal temperature, pore water pressure, seepage discharge and conductivity in real time is a kind of research more couplings of obturation
The experimental rig of maintenance is closed, asking for more true underground care environments can not be simulated to solve existing obturation curing means
Topic.
The device is adopted including temperature control system, control pressurer system, humidity control system, consolidation draining system and data
Collecting system, wherein, temperature control system includes temperature controller, temperature sensor, convection fan, heat-protecting glass and temperature control heating
Device；Control pressurer system includes motor driver, pressure sensor, force-transmitting piston, ball-screw push rod, pressure regulator, row
Star retarder, pressure display unit and torque motor；Humidity control system includes humidity sensor, hygroscope and humidity controller；
Consolidation draining system includes permeable stone, infiltration receiving flask with a scale and valve；Data collecting system includes data collecting instrument and electricity
Brain；
The device is the rectangular parallelepiped structure surrounded by heat-protecting glass, and heat-protecting glass is mounted on pedestal, and paste body filling body is put
It puts in maintenance cylinder inside, the outer maintenance cylinder of package on the outside of interior maintenance cylinder, is in contact at the top and bottom of paste body filling body with permeable stone,
Setting infiltration receiving flask with a scale and valve below the permeable stone of bottom；Control pressurer system passes through ball-screw push rod and motor
Driver applies pressure to paste body filling body, carries out the biography of power between ball-screw push rod and paste body filling body by force-transmitting piston
It passs, pressure sensor is used to weigh the size of pressure, and torque motor is pushed away pressure transmission to ball-screw by planetary reduction gear
Bar, torque motor are radiated by motor radiating fan, and pressure display unit shows pressure in the device, pressure tune for monitoring
Section device is used to adjust the device pressure size；Temperature in heat-protecting glass passes through temperature controller, convection fan and temperature control heating
Device is controlled, and passes through the temperature in temperature sensor monitors heat-protecting glass；Humidity sensor is in heat-protecting glass, for supervising
Humidity in the device is surveyed, hygroscope and humidity controller are placed in heat-protecting glass, for controlling the humidity in the device；Lotion
Conductivity, temperature sensor and pore water pressure, temperature sensor, conductivity, temperature sensor and hole are embedded in obturation
Gap water pressure, temperature sensor are attached by conducting wire and data collecting instrument and computer；Threaded rod connects support base and peace
Fill the platform of torque motor.
Wherein, heat-protecting glass is by the device inner sealing.
Interior maintenance cylinder and outer maintenance cylinder are cylinder, and interior maintenance cylinder is made of the hollow glass pipe of two semicolumns,
Each cylindrical hole for digging a diameter of 3mm at distance cylinder bottom 5cm and 10cm on interior maintenance cylinder barrel；Interior maintenance cylinder housing high intensity is saturating
Bright rubber band；Outer maintenance cylinder is made of the hollow metal pipe of two semicolumns, is brought into outside outer maintenance cylinder using metal fixation
Row is reinforced.
Permeable stone height is 10mm, and permeable stone sectional area is identical with paste body filling body section product.
Paste body filling body is cylinder.
Pressure sensor is installed, monitoring applies pressure size on force-transmitting piston.
The above-mentioned technical proposal of the utility model has the beneficial effect that：
The utility model is mainly used for simulating the more true care environments of obturation, research filling body heat-water-power-change
The experimental rig of multi- scenarios method behavior, can monitor simultaneously the variation of obturation internal temperature, conductivity variations, seepage discharge variation and
The variation of pore water pressure.The utility model obturation multi- scenarios method conserves experimental rig, can simulate and underground is more similar fills
Body curing condition is filled out, studies own temperature, pore water pressure, conductivity and the water percolating capacity of obturation with overburden pressure, ring
The rule of border temperature, ambient humidity and the variation of obturation self-characteristic is acted on disclosing filling body heat-water-power-change multi- scenarios method
Mechanism.In short, the utility model can simultaneously control the temperature of obturation, pressure, humidity and drainage condition, so as to mould
Intend the more true care environments of obturation, and monitor temperature of the obturation in maintenance processes, conductivity, pore water pressure and
The variation of moisture content.
Description of the drawings
Fig. 1 is the experimental rig structure diagram that the obturation multi- scenarios method of the utility model conserves.
Wherein：1-motor radiating fan；2-temperature controller；3-motor driver；4-Switching Power Supply； 5—
220VAC interfaces；6-temperature sensor；7-pressure sensor；8-force-transmitting piston；9-convection fan；10-permeable stone；
11-paste body filling body；12-conductivity, temperature sensor；13-heat-protecting glass；14-pore water pressure, temperature sensor；
15-threaded rod；16-pedestal；17-infiltration receiving flask with a scale；18-valve；19-interior maintenance cylinder；20-conserve cylinder outside；
21-Temperature controlled heater；22-humidity sensor；23-hygroscope；24-ball-screw push rod；25-pressure regulator；26—
Humidity controller；27-planetary reduction gear；28-pressure display unit；29-torque motor；30-data collecting instrument；31-electricity
Brain.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of experimental rig of obturation multi- scenarios method maintenance, as shown in Figure 1, the device includes temperature
Control system, control pressurer system, humidity control system, consolidation draining system and data collecting system are spent, wherein, temperature control
System includes temperature controller 2, temperature sensor 6, convection fan 9, heat-protecting glass 13 and Temperature controlled heater 21；Pressure control system
System includes motor driver 3, pressure sensor 7, force-transmitting piston 8, ball-screw push rod 24, pressure regulator 25, planetary reduction gear
Device 27, pressure display unit 28 and torque motor 29；Humidity control system includes humidity sensor 22, hygroscope 23 and humid control
Device 26；Consolidation draining system includes permeable stone 10, infiltration receiving flask 17 with a scale and valve 18；Data collecting system includes data
Acquisition Instrument 30 and computer 31；
The device is the rectangular parallelepiped structure surrounded by heat-protecting glass 13, and heat-protecting glass 13 is mounted on pedestal 16, and lotion fills
It fills out body 11 to be placed in interior maintenance cylinder 19, the interior 19 outer maintenance cylinder 20 of outside package of maintenance cylinder, at the top and bottom of paste body filling body
It is in contact with permeable stone 10,10 lower section setting of the permeable stone infiltration receiving flask 17 with a scale and valve 18 of bottom；Pressure control system
System applies pressure, ball-screw push rod 24 and lotion by ball-screw push rod 24 and motor driver 3 to paste body filling body 11
The transmission of power is carried out between obturation 11 by force-transmitting piston 8, pressure sensor 7 is used to weigh the size of pressure, torque motor
29 by planetary reduction gear 27 by pressure transmission to ball-screw push rod 24, torque motor 29 is carried out by motor radiating fan 1
Heat dissipation, pressure display unit 28 show pressure in the device for monitoring, and pressure regulator 25 is big for adjusting the device pressure
It is small；Temperature in heat-protecting glass 13 is controlled, and pass through temperature by temperature controller 2, convection fan 9 and Temperature controlled heater 21
Spend the temperature in the monitoring heat-protecting glass 13 of sensor 6；Humidity sensor 22 is wet in the device for monitoring in heat-protecting glass 13
Degree, hygroscope 23 and humidity controller 26 are placed in heat-protecting glass, for controlling the humidity in the device；Paste body filling body
Conductivity, temperature sensor 12 and pore water pressure, temperature sensor 14, conductivity, 12 and of temperature sensor are embedded in 11
Pore water pressure, temperature sensor 14 are attached by conducting wire and data collecting instrument 30 and computer 31；The connection branch of threaded rod 15
The platform of support group seat 16 and mounting torque motor 29.
The utility model, being capable of same time control for studying the experimental rig of filling body heat-water-power-change multi- scenarios method behavior
The many factors such as obturation proportioning processed, initial temperature, curing temperature, humidity, pressure can detect the change of obturation internal temperature simultaneously
The data such as change, pore water pressure variation, conductivity variations and seepage discharge variation.
The operation principle of the utility model is as follows：
Paste body filling body place system principle：The external side of paste body filling is by being pieced together by transparent organic semicircular cylinder glass
Interior maintenance cylinder keeps shape.It is wrapped up outside interior maintenance cylinder by outer maintenance cylinder.
Control pressurer system principle：The control pressurer system of this equipment is pushed away by force-transmitting piston, pressure sensor, ball-screw
Bar, torque motor, planetary reduction gear, motor driver composition.The measurement feedback of pressure value is shown by pressure sensor and pressure
Device is realized.It is powered on by 220VAC interfaces 5 to device, passes through the start-stop of 4 control device of Switching Power Supply.The Working mould of motor acquiescence
Formula is Analog control mode, and the size of pressure is adjusted by adjusting pressure adjustment knob.When adjusting manually, ball-screw pushes away
The direction of motion of bar 24 can be realized positive downlink, three kinds of working conditions of reversed uplink and stopping by three-stage switch.Pressure
The numerical value of sensor 7 and the control analog quantity of electric machine controller can be controlled by host computer come acquisition process and in real time, be realized
Line pressure closed-loop control.The real-time acquisition and adjustment of pressure data are realized using the acquisition of host computer and processing function.It fills simultaneously
Point it is not afraid of the characteristic that stall burns out using the linear output character and long-term work of direct current torque motor, realizes the accurate control of pressure
System.First with the output torque of planetary reduction gear amplification motor, rotation torque is then transformed by pressure by ball-screw again.
The output torque of direct current torque motor is directly proportional with electric current, is a kind of linear relationship, as long as controlling through armature winding
Size of current can control Motor torque export size, also can control pressure size.Connect as long as motor is in
Under continuous operating condition, pressure output size will be strictly proportional with electric current.
Curing temperature control system principle：The system is by temperature controller 2, temperature sensor 6, Temperature controlled heater and convection current
Fan 9 forms.First by temperature controller set temperature control range, temperature controller is acquired by temperature sensor and closed
Temperature in environment controls Temperature controlled heater and convection fan work, the model that the temperature control of enclosed environment is specified in experiment
In enclosing.Temperature control system can also be connected when necessary with the data acquistion and control system of host computer, realize environment temperature and
The real-time temperature difference control of slurry temperature.The closed environment of environment temperature control is made of four blocks of heat-protecting glasses and upper and lower roof and floor,
The heat-protecting glass at four sides can realize light dismounting by Quick Release screw.
Maintenance humidity control system principle：The system is made of humidity controller 26, humidity sensor 22 and hygroscope 23,
Humid control range is set by humidity controller, then humidity controller is acquired wet in enclosed environment by humidity sensor
Degree, controls the work of hygroscope, in the range that the humid control of enclosed environment is specified in experiment.
Consolidation draining system principle：Barrel bottom is equipped with permeable stone 10, is controlled whether by the valve 18 of permeable stone bottom
Draining.
Data collecting system principle：In charging, implantation measures temperature, pore water pressure and conductance inside paste body filling body
The various kinds of sensors of the parameters such as rate is connected by the outlet hole of barrel side with data collecting instrument and computer, realizes filling
The real-time monitoring of body inner parameter.
Specific embodiment is as follows：
As shown in Figure 1, experimental rig includes the interior maintenance cylinder of heat-protecting glass container, obturation, obturation conserves cylinder, humidity outside
Controller, temperature controller, torque motor, electric machine controller, pore water pressure sensor, temperature sensor, humidity sensor,
Conductivity sensor, infiltration receiving flask with a scale, data collecting instrument and computer recorder etc..
Experimental rig is cuboid, and the temperature sensor, pressure sensor and humidity sensor of care environments is controlled to distinguish
It is connected with temperature controller, pressure controller and humidity controller；Temperature sensor in obturation, pore water pressure sensor and
Conductivity sensor is connected respectively with data collecting instrument and computer, and the collected data of these sensors institute are monitored in real time by computer
And it preserves.
Cylinder bottom is conserved in obturation and is equipped with permeable stone, sectional area is identical with the sectional area of obturation sample, and lower part is set
Have a valve switch, control obturation slurry whether draining, infiltration receiving flask with a scale is placed below in valve switch, for receiving
Collect the water oozed out from permeable stone.
Splice cylinder is conserved in paste body filling body, obturation slurry is prepared according to test requirements document, conserve cylinder bottom inside
One piece of permeable stone is first placed in portion, and paste body filling body is poured into interior maintenance cylinder, and height is poured when paste body filling body reaches certain
When spending, temperature sensor, pore water pressure sensor and conductivity sensor are embedded in paste body filling body, sensor is led
Line is connected away by the circular hole on interior maintenance cylinder, then proceedes to pour paste body filling body, until reach the height of test requirements document,
And strike off paste body filling body surface face, one piece of permeable stone is placed at top, then clasps interior maintenance cylinder with elastic string, finally with outside metal
Maintenance cylinder wraps interior maintenance cylinder.
In order to apply overburden pressure to obturation slurry, force-transmitting piston is placed on to the top permeable stone of interior maintenance cylinder
On, pressure application system is combined by ball-screw push rod, torque motor, planetary reduction gear, motor driver, simulation is different
Overburden pressure.The measurement feedback of pressure value is realized that torque is converted by torque motor by pressure sensor and digital display meter
Force value realizes the application of overburden pressure.
During experiment, by set temperature controller and humidity controller, using temperature sensor and humidity sensor
Device is fed back into row information, controls the curing temperature and maintenance humidity of obturation sample.The change of the chemical characteristic of obturation can lead to
Cross the dosage for changing water, the realizations such as the dosage of cement and the type of tailings.Therefore, different chemical factors can be simulated, pressure, supported
Protect the influence to heat-water-power-change multi- scenarios method function of obturation such as temperature, humidity.
Power on, maintenance pressure, curing temperature and maintenance humidity of obturation sample etc. are set respectively, by temperature sensing
Device, pore water pressure sensor and conductivity sensor are coupled on data collecting instrument, and then data collecting instrument connects computer,
The variation of monitoring obturation internal temperature, pore water pressure and conductivity and water percolating capacity in real time, with analysis filling body heat-water-power-
Change multi- scenarios method action rule.
The utility model obturation multi- scenarios method conserves the characteristics such as experimental rig, the strength of filling mass conserved and reality
Situation is more closely, test data is relatively reliable.It can comparative study conventional chambers experiment curing condition and more true underground
Strength of filling mass characteristic under curing condition is modified intensity of the obturation under routine test curing condition, reduces water
Mud dosage saves filling cost for bargh.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of principle described in the utility model is not departed from, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (6)
1. a kind of experimental rig of obturation multi- scenarios method maintenance, it is characterised in that：Including temperature control system, pressure control system
System, humidity control system, consolidation draining system and data collecting system, wherein, temperature control system includes temperature controller
(2), temperature sensor (6), convection fan (9), heat-protecting glass (13) and Temperature controlled heater (21)；Control pressurer system includes electricity
Machine driver (3), pressure sensor (7), force-transmitting piston (8), ball-screw push rod (24), pressure regulator (25), planet subtract
Fast device (27), pressure display unit (28) and torque motor (29)；Humidity control system includes humidity sensor (22), hygroscope
(23) and humidity controller (26)；Consolidation draining system includes permeable stone (10), infiltration receiving flask (17) with a scale and valve
(18)；Data collecting system includes data collecting instrument (30) and computer (31)；
The device is the rectangular parallelepiped structure surrounded by heat-protecting glass (13), and heat-protecting glass (13) is on pedestal (16), lotion
Obturation (11) is placed in interior maintenance cylinder (19), the outer maintenance cylinder (20) of package, paste body filling body top on the outside of interior maintenance cylinder (19)
Portion and bottom are in contact with permeable stone (10), setting infiltration receiving flask (17) with a scale and valve below the permeable stone (10) of bottom
Door (18)；Control pressurer system is applied by ball-screw push rod (24) and motor driver (3) to paste body filling body (11) presses
Power carries out the transmission of power, pressure sensor by force-transmitting piston (8) between ball-screw push rod (24) and paste body filling body (11)
(7) for weighing the size of pressure, torque motor (29) gives pressure transmission to ball-screw push rod by planetary reduction gear (27)
(24), torque motor (29) is radiated by motor radiating fan (1), and pressure display unit (28) shows the device for monitoring
Interior pressure, pressure regulator (25) is for adjusting the device pressure size；Temperature in heat-protecting glass (13) is controlled by temperature
Device (2), convection fan (9) and Temperature controlled heater (21) are controlled, and pass through temperature sensor (6) monitoring heat-protecting glass (13)
In temperature；Humidity sensor (22) is in heat-protecting glass (13), for monitoring humidity in the device, hygroscope (23) and humidity
Controller (26) is placed in heat-protecting glass, for controlling the humidity in the device；Paste body filling body is embedded with conductance in (11)
Rate, temperature sensor (12) and pore water pressure, temperature sensor (14), conductivity, temperature sensor (12) and pore water pressure
Power, temperature sensor (14) are attached by conducting wire and data collecting instrument (30) and computer (31)；Threaded rod (15) connection branch
The platform of support group seat (16) and mounting torque motor (29).
2. the experimental rig of obturation multi- scenarios method maintenance according to claim 1, it is characterised in that：The heat-protecting glass
(13) by the device inner sealing.
3. the experimental rig of obturation multi- scenarios method maintenance according to claim 1, it is characterised in that：The interior maintenance cylinder
(19) and outer maintenance cylinder (20) is cylinder, and interior maintenance cylinder (19) is made of the hollow glass pipe of two semicolumns, interior to support
Each cylindrical hole for digging a diameter of 3mm at distance cylinder bottom 5cm and 10cm on casing (19) barrel；Interior maintenance cylinder (19) housing is high-strength
Spend transparent rubber band；Outer maintenance cylinder (20) is made of the hollow metal pipe of two semicolumns, is used outside outer maintenance cylinder (20)
Metal is fixed band and is reinforced.
4. the experimental rig of obturation multi- scenarios method maintenance according to claim 1, it is characterised in that：The permeable stone
(10) it is highly 10mm, permeable stone (10) sectional area is identical with paste body filling body (11) sectional area.
5. the experimental rig of obturation multi- scenarios method maintenance according to claim 1, it is characterised in that：The paste body filling
Body (11) is cylinder.
6. the experimental rig of obturation multi- scenarios method maintenance according to claim 1, it is characterised in that：The force-transmitting piston
(8) pressure sensor (7) is installed, monitoring applies pressure size on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536921.5U CN207570591U (en) | 2017-11-16 | 2017-11-16 | A kind of experimental rig of obturation multi- scenarios method maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536921.5U CN207570591U (en) | 2017-11-16 | 2017-11-16 | A kind of experimental rig of obturation multi- scenarios method maintenance |
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| Publication Number | Publication Date |
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| CN207570591U true CN207570591U (en) | 2018-07-03 |
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ID=62690556
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| CN201721536921.5U Active CN207570591U (en) | 2017-11-16 | 2017-11-16 | A kind of experimental rig of obturation multi- scenarios method maintenance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677323A (en) * | 2017-11-16 | 2018-02-09 | 北京科技大学 | A kind of experimental rig of obturation multi- scenarios method maintenance |
| CN109709278A (en) * | 2019-01-11 | 2019-05-03 | 东北大学 | A kind of experimental rig and method for simulating in situ environment strength of filling mass forming process |
-
2017
- 2017-11-16 CN CN201721536921.5U patent/CN207570591U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677323A (en) * | 2017-11-16 | 2018-02-09 | 北京科技大学 | A kind of experimental rig of obturation multi- scenarios method maintenance |
| CN109709278A (en) * | 2019-01-11 | 2019-05-03 | 东北大学 | A kind of experimental rig and method for simulating in situ environment strength of filling mass forming process |
| CN109709278B (en) * | 2019-01-11 | 2022-03-01 | 东北大学 | Testing device and method for simulating strength forming process of filling body in-situ environment |
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