CN106097862A - A kind of coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function - Google Patents
A kind of coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function Download PDFInfo
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- CN106097862A CN106097862A CN201610384233.5A CN201610384233A CN106097862A CN 106097862 A CN106097862 A CN 106097862A CN 201610384233 A CN201610384233 A CN 201610384233A CN 106097862 A CN106097862 A CN 106097862A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/40—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology
Abstract
The invention discloses the coal and rock infiltration simple experimental device under a kind of adjustable artesian water pressure stabilization function, including sealing system, flood pattern, voltage-stabilizing system and pipeline system；Sealing system includes that sealed cylindrical, sealed cylindrical arrange blow vent, water inlet, relief port, coal petrography sample；Flood pattern includes hand pressure water injecting pump；Voltage-stabilizing system includes voltage stabilizing piston/cylinder, voltage stabilizing piston/cylinder is provided above the sliding rolling arm beam of steelyard with voltage stabilizing sliding weight of steelyard, voltage stabilizing piston is set inside voltage stabilizing piston/cylinder, the upper end, bar portion of voltage stabilizing piston arranges carrying roller, carrying roller withstands the sliding rolling arm beam of steelyard, arranging cylinder body flange base bottom voltage stabilizing piston/cylinder, cylinder body flange base is provided with inlet opening and apopore.Experimental provision of the present invention can be used for the response to aqueous medium pressure-bearing size with immersion time-histories of the experimental analysis coal petrography infiltration radius, provides condition for the coal petrography infiltration time-histories characteristic under further investigation artesian water effect.
Description
Technical field
The present invention relates to the coal and rock infiltration simple experimental device under a kind of adjustable artesian water pressure stabilization function, be used for analyzing coal
Rock mass infiltration time-histories characteristic under artesian water effect.
Background technology
The presplitting control of coal seam tight roof, the heavily stressed release transfer of Deep Mine coal petrography and dynamic load preventing and treating, be China
The main difficult technical that Modern Pit safety and high efficiency is to be faced, especially emits under roof condition in the hard difficulty of thick-layer, right
The impact of Safety of Coal Mine Production is the most prominent.Coal and rock is as natural porous, fissuted medium, after drill disturbance and pore-forming
In release deformation process, boring wall country rock porous dehiscence gap development degree is relatively big, and in coal petrography hole, water-filling artesian water certainly will immerse hole wall
Country rock, is formed and has certain thickness hole wall country rock immersion layer, cause the change of hole wall country rock posting performance.Based on this, propose
Water-filling pressure-bearing Blasting Control technology in follow-on coal petrography hole, and achieve significant effect of field application.But, for this
The fundamental research of technology, does not especially the most obtain incremental advances in terms of coal petrography immersion time-histories characteristic infrastest preparation.
At present, the coal petrography imbibition characteristic research under artesian water effect is the rarest, and existing research is substantially about Lentic environment
Ground sample mechanical characteristic under cranny development during the immersion of lower ground, expansion damage mechanism, different immersion degree changes
And coal petrography water filling fall rush the problems such as principle respectively launch research.Therefore, for the water-filling pressure-bearing blasting technique machine in country rock hole
Coal petrography infiltration time-histories characteristic research under reason and artesian water effect, needs research and development a kind of simple in construction, simple operation, the side of carrying badly
Just coal petrography infiltration test equipment, the immersion coal petrography sample preparation in testing for Novel explosion and the coal petrography under artesian water effect
Infiltration time-histories characteristic research provides condition.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide the coal and rock infiltration simple experiment under a kind of adjustable artesian water pressure stabilization function
Device, in water-filling pressure-bearing explosion bulge test in the coal petrography infiltration time-histories characteristic under further investigation artesian water effect and country rock hole
Sample prepares offer condition.
To achieve these goals, present invention employs following technical scheme: under a kind of adjustable artesian water pressure stabilization function
Coal and rock infiltration simple experimental device, including sealing system, flood pattern, voltage-stabilizing system and pipeline system；
Described sealing system includes that sealed cylindrical, sealed cylindrical top arrange blow vent, and sealed cylindrical bottom arranges water inlet
Mouth and relief port, arrange cylinder flange base, arrange coal petrography sample inside sealed cylindrical bottom sealed cylindrical；
Described flood pattern includes hand pressure water injecting pump；
Described voltage-stabilizing system includes that voltage stabilizing piston/cylinder, voltage stabilizing piston/cylinder are provided above the sliding rolling scale with voltage stabilizing sliding weight of steelyard
Bar, sliding rolling arm beam of steelyard end is rotationally connected by bearing pin with support, arranges voltage stabilizing piston inside voltage stabilizing piston/cylinder, voltage stabilizing piston
Head is downward, and the bar portion of voltage stabilizing piston is upward through the top of voltage stabilizing piston/cylinder, and sets in the upper end, bar portion of voltage stabilizing piston
Putting carrying roller, carrying roller withstands the sliding rolling arm beam of steelyard, arranges cylinder body flange base bottom voltage stabilizing piston/cylinder, cylinder body flange base offer with
The inlet opening of the internal connection of voltage stabilizing piston/cylinder and apopore；
Pipeline system includes being arranged on the vent line of sealed cylindrical blow vent, being arranged on sealed cylindrical water inlet and cylinder body
Cylinder inlet pipeline between flange base apopore, it is arranged on the pressure relief pipeline of sealed cylindrical relief port and is arranged on cylinder body
Water injecting pipeline between flange base inlet opening and hand pressure water injecting pump, vent line arranges vent line stop valve, and cylinder is intake
Pipeline arranges check valve, and pressure relief pipeline arranges pressure relief pipeline stop valve, and water injecting pipeline arranges water injecting pipeline stop valve.
Further, described sealed cylindrical top arranges Pressure gauge.
Further, described coal petrography sample is diameter 50～100mm, highly 100～the cylindrical shape of 200mm, and coal petrography tries
The axially spaced sample segmentation joint-cutting that some levels are set in sample surface.
Further, described sample segmentation joint-cutting is 3～7, and sample segmentation joint-cutting depth capacity is 10mm.
Further, described pedestal upper end is vertically spaced some height adjusting holes for installing bearing pin.
Further, the described sliding rolling arm beam of steelyard being carved with pressure scale, voltage stabilizing sliding weight of steelyard is provided with and can reciprocatingly slide along the sliding rolling arm beam of steelyard
Slide block, slide block and the sliding rolling arm beam of steelyard are fixed by voltage stabilizing sliding weight of steelyard fixed knob.
Further, the head edge of described voltage stabilizing piston arranges cannelure, and cannelure is embedded in annular rubber ring.
Further, described voltage stabilizing piston/cylinder inwall is provided with limit buckle near apical position.
Further, between described cylinder flange base and sealed cylindrical and cylinder body flange base and voltage stabilizing piston/cylinder
Between be equipped with gasket seal.
Further, pressure tank is unloaded in the connection of described pressure relief pipeline.
Beneficial effect: experimental provision simple in construction of the present invention, can be conveniently used for experimental analysis coal petrography infiltration radius and be situated between water
Matter pressure-bearing size and the response of immersion time-histories, for the coal petrography infiltration time-histories characteristic under further investigation artesian water effect and country rock hole
Sample in interior water-filling pressure-bearing explosion bulge test prepares to provide condition.
Accompanying drawing explanation
Fig. 1 is the integral installation figure of experimental provision of the present invention；
Fig. 2 is the side view of sealed cylindrical；
Fig. 3 is the top view of sealed cylindrical；
Fig. 4 is the side view of cylinder flange base；
Fig. 5 is the top view of cylinder flange base；
Fig. 6 is the side view of voltage stabilizing piston/cylinder；
Fig. 7 is the top view of voltage stabilizing piston/cylinder；
Fig. 8 is the side view of voltage stabilizing piston；
Fig. 9 is the top view of voltage stabilizing piston；
Figure 10 is the side view of cylinder body flange base and support；
Figure 11 is the top view of cylinder body flange base and support
Figure 12 is the side view of the sliding rolling arm beam of steelyard；
Figure 13 is the top view of the sliding rolling arm beam of steelyard.
In figure: 1-coal petrography sample, 2-cylinder flange base, 3-gasket seal, 4-sealed cylindrical, 5-bolt, 6-pipeline system
System, 7-pressure relief pipeline stop valve, 8-vent line stop valve, 9-hand pressure water injecting pump, 10-voltage stabilizing sliding weight of steelyard, the 11-sliding rolling arm beam of steelyard, 12-
Water injecting pipeline stop valve, 13-voltage stabilizing piston/cylinder, 14-voltage stabilizing piston, 15-check valve, 16-sample segmentation joint-cutting, 17-pressure
Table, 18-unloads pressure tank, 19-support, 20-limit buckle, 21-carrying roller, 22-height adjusting holes, 23-voltage stabilizing sliding weight of steelyard fixed knob,
24-pressure scale, 25-cylinder body flange base, 26-annular rubber ring.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is done and further explain.
As it is shown in figure 1, the coal and rock infiltration simple experimental device under a kind of adjustable artesian water pressure stabilization function of the present invention, bag
Include sealing system, flood pattern, voltage-stabilizing system and pipeline system 6.
As Fig. 2 is to shown in 5, and described sealing system includes sealed cylindrical 4, thick steel sheet seamless welding form.O-ring
Cylinder 4 tops arrange blow vent.Sealed cylindrical 4 top arranges Pressure gauge 17.Sealed cylindrical 4 bottom arranges water inlet and relief port.
Arranging cylinder flange base 2 bottom sealed cylindrical 4, cylinder flange base 2 is connected by bolt 5 with sealed cylindrical 4, and cylinder
Gasket seal 3 it is provided with, it is achieved the sealing between sealed cylindrical 4 and cylinder flange base 2 between flange base 2 and sealed cylindrical 4.
Sealed cylindrical 4 is internal arranges coal petrography sample 1, and for ease of the coal petrography infiltration radius under the conditions of observation different time course, described coal petrography tries
Sample 1 is diameter 50～100mm, highly 100～the cylindrical shape of 200mm, and coal petrography sample 1 surface is axially spaced arranges some
The sample segmentation joint-cutting 16 of level, described sample segmentation joint-cutting 16 is 3～7, and sample segmentation joint-cutting 16 depth capacity is 10mm.
Described flood pattern includes hand pressure water injecting pump 9.
As shown in FIG. 6 to 13, described voltage-stabilizing system include voltage stabilizing piston/cylinder 13, piston/cylinder 13 be by thick steel sheet without
Seam welding forms.Voltage stabilizing piston/cylinder 13 is provided above the sliding rolling arm beam of steelyard 11 with voltage stabilizing sliding weight of steelyard 10, on the described sliding rolling arm beam of steelyard 11
Being carved with pressure scale 24, voltage stabilizing sliding weight of steelyard 10 is provided with the slide block that can reciprocatingly slide along the sliding rolling arm beam of steelyard 11, and slide block leads to the sliding rolling arm beam of steelyard 11
Cross voltage stabilizing sliding weight of steelyard fixed knob 23 to fix.The sliding rolling arm beam of steelyard 11 end is rotationally connected by bearing pin with support 19, on described support 19
End is vertically spaced some height adjusting holes 22 for installing bearing pin, by selecting different height adjusting holes 22, and can
To facilitate the setting height(from bottom) adjusting the sliding rolling arm beam of steelyard 11.Voltage stabilizing piston/cylinder 13 is internal arranges voltage stabilizing piston 14, voltage stabilizing piston 14
Head is downward, and the head edge of voltage stabilizing piston 14 arranges cannelure, and cannelure is embedded in annular rubber ring 26, is used for preventing voltage stabilizing
The extravasation of artesian water in piston/cylinder 13, in keeping voltage stabilizing piston/cylinder 13, aqueous medium is in voltage stabilizing state, voltage stabilizing piston 14
Bar portion is upward through the top of voltage stabilizing piston/cylinder 13, and arranges carrying roller 21, carrying roller 21 in the upper end, bar portion of voltage stabilizing piston 14
Withstanding the sliding rolling arm beam of steelyard 11, in order to limit voltage stabilizing piston 14 upper limit displacement, voltage stabilizing piston/cylinder 9 inwall is provided with limit near apical position
Position button 20.Arranging cylinder body flange base 25 bottom voltage stabilizing piston/cylinder 13, cylinder body flange base 25 offers and voltage stabilizing piston cylinder
The inlet opening of the internal connection of body 9 and apopore.
Pipeline system 6 include being arranged on sealed cylindrical 4 blow vent vent line, be arranged on sealed cylindrical 4 water inlet with
Cylinder inlet pipeline between cylinder body flange base 25 apopore, it is arranged on the pressure relief pipeline of sealed cylindrical 4 relief port and sets
Put the water injecting pipeline between cylinder body flange base 25 inlet opening and hand pressure water injecting pump 9.
Cylinder inlet pipeline arranges check valve 15, and pressure relief pipeline arranges pressure relief pipeline stop valve 7, and pressure relief pipeline connects
Unloading pressure tank 18, water injecting pipeline arranges water injecting pipeline stop valve 12, for realize the water filling of aqueous medium in sealed cylindrical 4, supercharging,
Voltage stabilizing and release.Vent line arranges vent line stop valve 8, empties sealed cylindrical 4 inner air in the injecting process.
The operating procedure of experimental provision of the present invention is as follows:
1) preparation of coal petrography sample and installation；Debugging gasket seal 3 position, makes gasket seal 3 bolt hole and cylinder flange
Bolt hole position alignment on base 2, is placed in ready coal petrography sample 1 on gasket seal 3 and puts into sealed cylindrical 4,
Screwing bolts 5 fixing seal cylinder 4, gasket seal 3 and cylinder flange base 2, cover sealed cylindrical 4；
2) pipeline connects and air discharge；Should be first by hand pressure water injecting pump, pipeline between voltage stabilizing piston/cylinder and cylinder
Connect, and whether signal piping exists infiltration release phenomenon, changes aging or underproof pipeline in time.Then, release is closed
Pressure relief pipeline stop valve 7 on pipeline, opens the vent line stop valve 8 on vent line, starts hands by hand pressure water injecting pump 9
Pressure injection water, until vent line has constant stream to overflow, illustrates that sealed cylindrical 4 and interior air drain, now closes breather
Vent line stop valve 8 on road；
3) water filling pressurization and voltage stabilizing of damming；Need to require voltage stabilizing sliding weight of steelyard 10 is fixed on the sliding rolling arm beam of steelyard in advance according to experimental pressure
Pressure calibration position on 11, after the air in cylinder 4 to be sealed drains, continues water filling supercharging, and now voltage stabilizing piston 14 starts
Upper shifting, carrying roller 21 holds up the sliding rolling arm beam of steelyard 11 slidably, when the sliding rolling arm beam of steelyard 11 is close to horizontal level, stops water filling, and closes
Water injecting pipeline stop valve 12 on water injecting pipeline, closed system.Subsequently by regulation voltage stabilizing sliding weight of steelyard 10 on the sliding rolling arm beam of steelyard 11
Pressure calibration position realizes the constant voltage servo regulation and control of artesian water in system, and in sealed cylindrical 4, artesian water trace runs off or pressure
During reduction, under the servo regulation effect of voltage stabilizing sliding weight of steelyard 10, the artesian water in voltage stabilizing piston/cylinder 13 is unidirectional benefit in cylinder 4
Pressure, it is ensured that coal petrography sample Soaking experiment process is in voltage stabilizing state.
4), after the infiltration of coal petrography sample meets regulation time-histories, the relief tube stop valve 7 slowly opening pressure relief pipeline carries out draining
Release, opens sealed cylindrical 4, takes out coal petrography sample 1, along the disrumpent feelings block in coal petrography sample 1 Article 1 sample segmentation joint-cutting 16 position,
Obtain the first segmentation coal petrography infiltration sample under corresponding time-histories, the saturation distribution spy on this segmentation sample section of observational record
Levying, reload in sealed cylindrical 4 by remainder coal petrography sample 1, water filling is pressurized to constant experimental pressure again, continues real
Test.Repeat above-mentioned coal petrography Soaking experiment step, coal petrography sample 1 can be obtained and infiltrate radius to aqueous medium pressure-bearing and time-histories of soaking
Response relation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the infiltration of the coal and rock under adjustable artesian water pressure stabilization function simple experimental device, it is characterised in that: include sealing system
System, flood pattern, voltage-stabilizing system and pipeline system (6)；
Described sealing system includes that sealed cylindrical (4), sealed cylindrical (4) top arrange blow vent, and sealed cylindrical (4) bottom is arranged
Water inlet and relief port, sealed cylindrical (4) bottom arranges cylinder flange base (2), and sealed cylindrical (4) is internal arranges coal petrography sample
(1)；
Described flood pattern includes hand pressure water injecting pump (9)；
Described voltage-stabilizing system includes that voltage stabilizing piston/cylinder (13), voltage stabilizing piston/cylinder (13) are provided above with voltage stabilizing sliding weight of steelyard (10)
The sliding rolling arm beam of steelyard (11), the sliding rolling arm beam of steelyard (11) end is rotationally connected by bearing pin with support (19), and voltage stabilizing piston/cylinder (13) is interior
Portion arranges voltage stabilizing piston (14), and the head of voltage stabilizing piston (14) is downward, and the bar portion of voltage stabilizing piston (14) is upward through voltage stabilizing piston
The top of cylinder body (13), and carrying roller (21) is set in the upper end, bar portion of voltage stabilizing piston (14), carrying roller (21) withstands the sliding rolling arm beam of steelyard
(11), voltage stabilizing piston/cylinder (13) bottom arranges cylinder body flange base (25), and cylinder body flange base (25) offers lives with voltage stabilizing
The inlet opening of the internal connection of plug cylinder body (9) and apopore；
Pipeline system (6) includes being arranged on the vent line of sealed cylindrical (4) blow vent, being arranged on sealed cylindrical (4) water inlet
And cylinder inlet pipeline between cylinder body flange base (25) apopore, it is arranged on the pressure relief pipeline of sealed cylindrical (4) relief port
And it being arranged on the water injecting pipeline between cylinder body flange base (25) inlet opening and hand pressure water injecting pump (9), vent line arranges logical
Air pipe stop valve (8), cylinder inlet pipeline arranges check valve (15), and pressure relief pipeline arranges pressure relief pipeline stop valve (7), water filling
Pipeline arranges water injecting pipeline stop valve (12).
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: described sealed cylindrical (4) top arranges Pressure gauge (17).
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: described coal petrography sample (1) is diameter 50～100mm, highly 100～the cylindrical shape of 200mm, coal petrography sample (1) surface
Axially spaced sample segmentation joint-cutting (16) that some levels are set.
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 3, its feature
Being: described sample segmentation joint-cutting (16) is 3～7, sample segmentation joint-cutting (16) depth capacity is 10mm.
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: described support (19) upper end edge vertical direction is spaced some height adjusting holes (22) for installing bearing pin.
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
Being: be carved with pressure scale (24) on the described sliding rolling arm beam of steelyard (11), voltage stabilizing sliding weight of steelyard (10) is provided with can be reciprocal along the sliding rolling arm beam of steelyard (11)
The slide block slided, slide block is fixed by voltage stabilizing sliding weight of steelyard fixed knob (23) with the sliding rolling arm beam of steelyard (11).
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: the head edge of described voltage stabilizing piston (14) arranges cannelure, and cannelure is embedded in annular rubber ring (26).
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: described voltage stabilizing piston/cylinder (9) inwall is provided with limit buckle (20) near apical position.
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: between described cylinder flange base (2) and sealed cylindrical (4) and cylinder body flange base (25) and voltage stabilizing piston/cylinder
(9) gasket seal (3) it is equipped with between.
Coal and rock infiltration simple experimental device under adjustable artesian water pressure stabilization function the most according to claim 1, its feature
It is: pressure tank (18) is unloaded in the connection of described pressure relief pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384233.5A CN106097862B (en) | 2016-06-02 | 2016-06-02 | A kind of coal and rock under adjustable artesian water pressure stabilization function infiltrates simple experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384233.5A CN106097862B (en) | 2016-06-02 | 2016-06-02 | A kind of coal and rock under adjustable artesian water pressure stabilization function infiltrates simple experimental device |
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| Publication Number | Publication Date |
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| CN106097862A true CN106097862A (en) | 2016-11-09 |
| CN106097862B CN106097862B (en) | 2018-07-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441718A (en) * | 2016-11-11 | 2017-02-22 | 中国船舶重工集团公司第七0三研究所 | Marine water-pressure-resistant seal pressurizing device |
| CN109342201A (en) * | 2018-11-07 | 2019-02-15 | 湖南科技大学 | Rock closing crack hydraulic pressure transient changing test device and method under shock loading |
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| CN101916522A (en) * | 2010-07-16 | 2010-12-15 | 中国石油天然气股份有限公司 | Split-type source rock hydrocarbon generation simulation system and source rock hydrocarbon generation kettle |
| CN103148748A (en) * | 2013-03-08 | 2013-06-12 | 中国矿业大学 | Bearing pressure adjustable plastic expansion pipe deep hole blasting control method |
| CN103267722A (en) * | 2013-05-07 | 2013-08-28 | 中国矿业大学 | Pressure bearing permeation grouting strengthening test apparatus and method |
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| JP2008052143A (en) * | 2006-08-25 | 2008-03-06 | Oyo Jishin Keisoku Kk | Unit type liquefaction experimental equipment |
| CN201653349U (en) * | 2010-03-03 | 2010-11-24 | 中国矿业大学 | Mine coal-rock mass transport deformation measurement device |
| CN101916522A (en) * | 2010-07-16 | 2010-12-15 | 中国石油天然气股份有限公司 | Split-type source rock hydrocarbon generation simulation system and source rock hydrocarbon generation kettle |
| CN103148748A (en) * | 2013-03-08 | 2013-06-12 | 中国矿业大学 | Bearing pressure adjustable plastic expansion pipe deep hole blasting control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106441718A (en) * | 2016-11-11 | 2017-02-22 | 中国船舶重工集团公司第七0三研究所 | Marine water-pressure-resistant seal pressurizing device |
| CN109342201A (en) * | 2018-11-07 | 2019-02-15 | 湖南科技大学 | Rock closing crack hydraulic pressure transient changing test device and method under shock loading |
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| Publication number | Publication date |
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| CN106097862B (en) | 2018-07-17 |
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