CN206627406U - A kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device - Google Patents
A kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device Download PDFInfo
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- CN206627406U CN206627406U CN201720331043.7U CN201720331043U CN206627406U CN 206627406 U CN206627406 U CN 206627406U CN 201720331043 U CN201720331043 U CN 201720331043U CN 206627406 U CN206627406 U CN 206627406U
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- pusher
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- seal casinghousing
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Abstract
The utility model belongs to permeability variation detection technology field, it is related to a kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device, rigid plastics probing shell is provided with the inside of seal casinghousing, probe aperture is uniformly provided with side wall, top, which is stayed, sets sealing plate and sealing plate slide rail, multicore transmission pipeline is fixed on sealing plate slide rail, loading pusher is provided with seal casinghousing internal side wall, it is fixed at the top of loading pusher on rigid plastics probe loading plate, the afterbody of seal casinghousing and top are respectively equipped with unloading pusher, metal probe is fixed on rigid plastics probe loading plate, the retracted position and the collapsed position of aligned position in the middle part of metal probe and loading pusher for unloading pusher are respectively mounted support；The end that multicore integrates transfer tube is provided with Multi-core cable joint, and Multi-core cable joint is connected with the multi-functional induced polarization instrument of outside；Its is simple in construction, easy to operate, reasonable in design, and light portable, result of detection is stablized accurate.
Description
Technical field：
The utility model belongs to permeability variation detection technology field, is related to before and after a kind of seam mining pine in overlying strata stratum
Layer is dissipated by the permeability variation detecting devices under mining influence, particularly a kind of shallow overburden Seam Mining unconsolidated formation infiltration rate change
Measurement apparatus.
Background technology：
The continued downturn since 2012 of Chinese coal economic situation, at present coal of the coal price already below certain areas
Charcoal production cost, particularly traditional coal bases-North China type coalfield, because working seam is deeper, coal exists North China type coalfield
The unsafe factor run into production process is more, such as water damage, Gas Disaster, top plate disaster etc..The Northwest is due to coal seam
The geological conditions of preservation is relatively simple, coal mining advantage of lower cost, the unsafe factor being related in progress of coal mining
Degree of danger is relatively low, therefore northwest turns into the most important base of the coal in China energy.Due to northwest coalfield Energy Base
Coal seam be mainly Datong seam group, buried depth is shallower, and the subject matter that coal seam is related in recovery process is Quaternary aquifer
Water damage preventing and treating problem, Quaternary aquifer protection problem.Therein 4th is that loose aquifer water damage has turned into threat coal seam
The main preventing and treating water problems of exploitation, and the water protection mining of arid area is as it in the weight of the Northwest's ecological environmental protection
Weight.
At present, the preventing and treating for unconsolidated formation water damage relate generally to two aspect the problem of, one be Atmospheric precipitation infiltration,
Its supply problem as aquifer water；Another be after seam mining Quaternary Strata by deformation, move and stablize again
Permeability situation of change afterwards.Both of which is related to foregoing anti-harness the river and water protection mining problem.For Atmospheric precipitation
Research is infiltrated, the critical parameter of estimated offer that can be to inflow rate of mine water, while Quaternary aquifer can also be obtained
Hydrogeological parameter, to watery evaluation of Quaternary aquifer etc.；For the water protection mining problem of Quaternary aquifer, lead to
It is the infiltrative change of loose aquifer to cross continuous probe the 4th, to evaluate whether the water isolating of water barrier in unconsolidated formation has
There is self-regeneration function, or show whether Seam Mining is influenceed to this layer of position with result of detection.Therefore it is infiltrative to unconsolidated formation
Change detection is very important, and detection achievement is also significantly.
The current infiltrative research report that yet there are no for loose aquifer, particularly in shallow overburden seam mining mistake
In journey corresponding research contents is there are no in terms of the permeability detection of overlying strata loose aquifer.Therefore there is an urgent need to develop a kind of wound
New property shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device, to loosely aqueous to the 4th system of shallow overburden coal seam mining area
The permeability change detection and research work of layer.
The content of the invention：
The shortcomings that goal of the invention of the present utility model is to overcome prior art to exist, seeks design and a kind of shallow overburden is provided
Seam Mining unconsolidated formation infiltration rate measure of the change device, to be the permeability of loose aquifer to shallow overburden coal seam mining area the 4th
Change detection and research work.
To achieve these goals, agent structure of the present utility model includes rigid plastics probing shell, metal probe, more
Core integrates transfer tube, unloading pusher, loading pusher, rigid plastics probe loading plate, loading power transfer tube, unloading power
Connecting tube, multicore cable, support, seal casinghousing, probe aperture, Multi-core cable joint, sealing plate and sealing plate slide rail；Seal casinghousing
Inner side is provided with rigid plastics probing shell, for protecting metal probe, the seal casinghousing of cylindrical-shaped structure made of PVC material
17 probe apertures are uniformly provided with side wall, one layer of elastomer is provided with probe aperture, make metal probe through probe aperture
There is sealing property afterwards, avoid unconsolidated formation water from entering in seal casinghousing；Stayed at the top of seal casinghousing and set sealing plate and sealing plate slide rail,
To keep sealing in metal probe loading and uninstall process, seal gasket, multicore transmission are provided with sealing plate slide rail
Pipeline is fixed on sealing plate slide rail, and the length of seal casinghousing is 2m, wall thickness 5mm, a diameter of 70mm；Seal casinghousing private side
Three groups of loading pushers relative with probe hole site are evenly arranged with wall, loads and rigid plastics is fixed at the top of pusher
Metal probe is promoted to enter in detection destination layer on probe loading plate, during loading, by loading between three groups of loading pushers
Power transfer tube UNICOM, and promoted using pump-up device；The afterbody of seal casinghousing and top are respectively equipped with one group of unloading and pushed away
Dynamic device, unloads that the structure and parameter of pusher is consistent with loading pusher, and two groups of unloading pushers are by unloading power connector pipe
UNICOM, unloading power connector pipe are arranged on the multicore that length is 50 meters and integrated in transfer tube；The metal probe of steel material is fixed
On rigid plastics probe loading plate, the length of metal probe is 40mm, a diameter of 2mm, the spacing of two neighboring metal probe
It is consistent with probe aperture for 10mm, the number of metal probe；The wire that each metal probe individually connects is collected in multicore cable,
And be integrated in multicore with unloading power connector pipe, one piece of loading power transfer tube and integrate transfer tube, unload the punctured bit of pusher
Put and be respectively mounted support with the collapsed position of aligned position in the middle part of metal probe and loading pusher；Multicore integrates transfer tube
End be provided with Multi-core cable joint, Multi-core cable joint is connected with the multi-functional induced polarization instrument of outside, for carrying out direct current
The collection of resistance rate data.
Loading pusher described in the utility model is jack type pushing meanss, and pump-up device uses inflator, due to gold
It is only 2mm to belong to probe diameter, therefore easily can be entered under the impetus of small-sized pusher in unconsolidated formation, loads pusher
A diameter of 35mm, contracted length 20mm, loading length is 50mm.
Seal casinghousing described in the utility model is cylindrical, using PVC (Polyvinyl chloride, polyvinyl chloride) material
Material is made, and reduces result of detection accuracy of the Conductivity due to detection device to unconsolidated formation.
Multicore described in the utility model integrates transfer tube and is made up of 17 core cables and two a diameter of 5mm flexible pipes, 17 cores electricity
Cable is gathered data transmission line, and two flexible pipes are the power transfer conduit of loading pusher and unloading pusher, and multicore is integrated to be transmitted
Pipe outer wall is provided with length scales since the section of housing top to measure investigation depth.
The utility model loads pusher in use, the pipeline of unloading pusher is in opening, and one of them is in
Pressurized state one is in atmospheric pressure state, promotes metal probe to release and enter in unconsolidated formation out of seal casinghousing, to measure.
The power source of unloading pusher described in the utility model is gas, and it is unloaded using inflator after measurement
Promote, unloading pusher is in use, the pipeline of loading pusher is in opening, and at this moment loading propeller is in pressurization shape
State, unloading propeller are in atmospheric pressure state, promote metal probe to extract and withdraw in seal casinghousing from unconsolidated formation.
When the utility model carries out on-site construction operations, first shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change is filled
It is placed in the exploration hole for completion of having constructed, the scale marked on transfer tube is integrated according to multicore, transfers to default depth
Degree, air pressure promotion then is carried out to loading pusher connecting tube, metal probe is entered detection destination layer, then connect multicore electricity
Cable joint carries out data acquisition, data acquisition is complete using three pole MNB observation devices to multi-functional induced polarization instrument device to detection destination layer
Air pressure promotion is carried out to unloading pusher connecting tube after finishing, metal probe is extracted from detection destination layer and is retracted to capsul
In vivo, the detection operations of next destination layer are then carried out, repeat detection operations of the above procedure completion to exploration hole full section, specifically
Process is：
(1) according to the buried depth and thickness of detection destination layer, starting investigation depth is pre-designed, record start position is used to put
The use of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device is put, detection aperture is arranged to 75mm, set in the 2m of aperture
Borehole casing is put to fall into exploration hole to prevent foreign matter to prevent collapse hole, casing length 2.1m and eminence ground 0.1m；
(2) detected after drilling construction using shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device,
First check loading pusher and unloading pusher whether normal work, pipeline whether gas leakage, multicore integrate transfer tube in multicore
Shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device is put into drilling by cable with the presence or absence of open circuit after inspection
It is interior, and compare the length scales that multicore is integrated on transfer tube and be put into original position；
(3) loading pusher transmission pipeline is inflated using pump-up device, pressure gauge is observed, when air pressure reaches
During 0.4MPa, metal probe enters in destination layer to be measured, and now withdrawing pump-up device makes air pressure be reduced to 0MPa, by multicore cable
Joint accesses multi-functional induced polarization instrument, uses existing three pole observation device gathered data；
(4) unloading pusher pipeline is inflated after data acquisition, observed pressure table, when air pressure reaches 0.4MPa
When, metal probe is extracted and entered in seal casinghousing out of destination layer to be measured, and now withdrawing pump-up device is reduced to air pressure
0MPa, the measuring section transfer 2m and carry out continuing observation after measuring, in next measuring section, repeat process above；If survey
During amount, when causing metal probe not to be retracted in seal casinghousing due to destination layer densification to be measured, then repeat to push away loading
Dynamic device transmission pipeline and unloading pusher pipeline are inflated, make metal probe is loosened in destination layer to be measured after again to unloading
The inflation of pusher pipeline is retracted in seal casinghousing.
Compared with prior art, its is simple in construction for the utility model, easy to operate, reasonable in design, light portable, detection
As a result it is accurate to stablize, in use, measurement apparatus is put into the exploration hole for completion of having constructed, according to scale numerical value on the outside of pipeline,
Predetermined investigation depth is positioned over, then loading pusher pipeline is inflated so that probe contacts unconsolidated formation and starts to gather
Data, gathered data use multi-functional induced polarization instrument device, and measuring method uses three pole observation systems；Measuring section detection is right after terminating
Unloading pusher pipeline, which is inflated, makes probe be retracted in housing, repeats above procedure, until full section measurement terminates.
Brief description of the drawings：
Fig. 1 is agent structure principle schematic of the present utility model.
Fig. 2 is that agent structure of the present utility model loads probe principle schematic.
Fig. 3 is loading described in the utility model, unloading pusher profile.
Fig. 4 is multicore integrated cable described in the utility model and probe profile.
Fig. 5 is seal casinghousing top sealing plate structure chart described in the utility model.
Embodiment：
The utility model is described in further detail by way of example and in conjunction with the accompanying drawings.
Embodiment：
The agent structure of the present embodiment includes rigid plastics probing shell 101, metal probe 102, multicore and integrates transfer tube
103rd, pusher 104, loading pusher 105, rigid plastics probe loading plate 106, loading power transfer tube 107, unloading are unloaded
Power connector pipe 108, multicore cable 109, support 111, seal casinghousing 114, probe aperture 112, Multi-core cable joint 113, sealing
Plate 201 and sealing plate slide rail 202；The inner side of seal casinghousing 114 is provided with rigid plastics probing shell 101, for protecting metal to visit
Pin 102,17 probe apertures 112, probe are uniformly provided with the side wall of seal casinghousing 114 of cylindrical-shaped structure made of PVC material
One layer of elastomer is provided with hole 112, metal probe 102 is avoided loose through there is sealing property after probe aperture 112
Layer water enters in seal casinghousing 114；The top of seal casinghousing 114, which is stayed, sets sealing plate 201 and sealing plate slide rail 202, in metal
Probe 102 load and uninstall process in keep sealing, seal gasket, multicore transmission pipeline are provided with sealing plate slide rail 202
103 are fixed on sealing plate slide rail 202, and the length of seal casinghousing 114 is 2m, wall thickness 5mm, a diameter of 70mm；Seal casinghousing
Three groups of loading pushers 105 relative with the position of probe aperture 112 are evenly arranged with 114 internal side walls, loading pusher 105
Top is fixed on rigid plastics probe loading plate 106, promotes during loading metal probe 102 to enter in detection destination layer,
By the UNICOM of loading power transfer tube 107 between three groups of loading pushers 105, and promoted using pneumatic source；Seal casinghousing 114
Afterbody and top be respectively equipped with one group of unloading pusher 104, unload the structure and parameter and loading pusher of pusher 104
105 is consistent, and two groups of unloading pushers 104 are arranged on length by unloading the UNICOM of power connector pipe 108, unloading power connector pipe 108
Spend and integrated for 50 meters of multicore in transfer tube 103；The metal probe 102 of steel material is fixed on rigid plastics probe loading plate
On 106, the length of metal probe 102 is 40mm, a diameter of 2mm, and the spacing of two neighboring metal probe 102 is 10mm, metal
The number of probe 102 is consistent with probe aperture 112；The wire that each metal probe 102 individually connects collects in multicore cable 109
It is interior, and be integrated in multicore with unloading power connector pipe 108,107 1 pieces of loading power transfer tube and integrate transfer tube 103, unloading pushes away
The retracted position of dynamic device 104 and the collapsed position of the middle part aligned position of metal probe 102 and loading pusher 105 are pacified
Fill support 111；The end that multicore integrates transfer tube 103 is provided with Multi-core cable joint 113, Multi-core cable joint 113 and outside
Multi-functional induced polarization instrument connection, for carrying out the collection of DC resistivity data.
It is jack type pushing meanss that pusher 105 is loaded described in the present embodiment, and pneumatic source uses inflator, due to metal
The diameter of probe 102 is only 2mm, therefore easily can be entered under the impetus of small-sized pusher in unconsolidated formation, and loading promotes
A diameter of 35mm of device 105, contracted length 20mm, loading length are 50mm.
Seal casinghousing 114 is cylindrical described in the present embodiment, using PVC (Polyvinyl chloride, polyvinyl chloride)
Material is made, and reduces result of detection accuracy of the Conductivity due to detection device to unconsolidated formation.
Multicore described in the present embodiment integrates transfer tube 103 and is made up of 17 core cables and two a diameter of 5mm flexible pipes, 17 cores electricity
Cable is gathered data transmission line, and two flexible pipes are the power transfer conduit of loading pusher and unloading pusher, and multicore is integrated to be transmitted
The outer wall of pipe 103 is provided with length scales since the section of housing top to measure investigation depth.
The present embodiment load pusher 105 in use, unloading pusher 104 pipeline be in opening, one of them
In pressurized state, one is in atmospheric pressure state, promotes metal probe 102 to be released out of seal casinghousing 114 and enters unconsolidated formation
It is interior, to measure.
The power source that pusher 104 is unloaded described in the present embodiment is gas, and it is unloaded using inflator after measurement
Carry promote, unloading pusher 105 in use, loading pusher 105 pipeline be in opening, at this moment loading propeller 105
In pressurized state, unloading propeller 104 is in atmospheric pressure state, promotes metal probe 102 to extract and withdraw close from unconsolidated formation
In capsule body 114.
During the present embodiment on-site construction operations, first shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device is placed
In in the exploration hole for having constructed completion, the scale marked on transfer tube 103 is integrated according to multicore, is transferred to predetermined depth,
Then air pressure promotion is carried out to loading pusher connecting tube 107, metal probe 102 is entered detection destination layer, then connected more
Core cable connector 113 carries out data acquisition, number using three pole MNB observation devices to multi-functional induced polarization instrument device to detection destination layer
Air pressure promotion is carried out to unloading pusher connecting tube 108 after according to collection, metal probe 102 is extracted from detection destination layer
And be retracted in seal casinghousing 114, the detection operations of next destination layer are then carried out, it is complete to exploration hole to repeat above procedure completion
The detection operations of section, detailed process are：
(1) according to the buried depth and thickness of detection destination layer, starting investigation depth is pre-designed, record start position is used to put
The use of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device is put, detection aperture is arranged to 75mm, set in the 2m of aperture
Borehole casing is put to fall into exploration hole to prevent foreign matter to prevent collapse hole, casing length 2.1m and eminence ground 0.1m；
(2) detected after drilling construction using shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device,
First check loading pusher 105 and unloading pusher 104 whether normal work, pipeline whether gas leakage, multicore integrates transfer tube 103
In multicore cable with the presence or absence of open circuit, shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device is put after inspection
Enter in drilling, and compare the length scales that multicore is integrated on transfer tube 103 and be put into original position；
(3) loading pusher transmission pipeline 107 is inflated using pump-up device, pressure gauge is observed, when air pressure reaches
During 0.4MPa, metal probe 102 enters in destination layer to be measured, and now withdrawing pump-up device makes air pressure be reduced to 0MPa, by multicore
Cable connector 113 accesses multi-functional induced polarization instrument, uses existing three pole observation device gathered data；
(4) unloading pusher pipeline 108 is inflated after data acquisition, observed pressure table, when air pressure reaches
During 0.4MPa, metal probe 102 is extracted out of destination layer to be measured and entered in seal casinghousing 114, now withdraws aerating device
Air pressure is set to be reduced to 0MPa, the measuring section transfers 2m and carries out continuing observation after measuring, in next measuring section, repeat mistake above
Journey；If in measurement process, because destination layer densification to be measured causes metal probe 102 can not be retracted in seal casinghousing 114
When, then repeat to be inflated loading pusher transmission pipeline 107 and unloading pusher pipeline 108, treating metal probe 102
Survey in destination layer after loosening and the unloading inflation of pusher pipeline 108 is retracted in seal casinghousing 114 again.
Claims (3)
1. a kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device, it is characterised in that agent structure is moulded including hard
Expect probing shell, metal probe, multicore integrate transfer tube, unloading pusher, loading pusher, rigid plastics probe loading plate,
Load power transfer tube, unloading power connector pipe, multicore cable, support, seal casinghousing, probe aperture, Multi-core cable joint, sealing
Plate and sealing plate slide rail；Rigid plastics probing shell is provided with the inside of seal casinghousing, in the seal casinghousing side wall of cylindrical-shaped structure
17 probe apertures are uniformly provided with, one layer of elastomer is provided with probe aperture, is stayed at the top of seal casinghousing and sets sealing plate and sealing
Plate slide rail, seal gasket is provided with sealing plate slide rail, multicore transmission pipeline is fixed on sealing plate slide rail, the length of seal casinghousing
Spend for 2m, wall thickness 5mm, a diameter of 70mm；Be evenly arranged with seal casinghousing internal side wall three groups it is relative with probe hole site
Loading pusher, load and be fixed at the top of pusher on rigid plastics probe loading plate, between three groups of loading pushers by
Power transfer tube UNICOM is loaded, the afterbody of seal casinghousing and top are respectively equipped with one group of unloading pusher, unload the knot of pusher
Structure and parameter are consistent with loading pusher, and two groups of unloading pushers unload power connector pipe by unloading power connector pipe UNICOM
Integrated installed in the multicore that length is 50 meters in transfer tube；Metal probe is fixed on rigid plastics probe loading plate, and metal is visited
The length of pin is 40mm, a diameter of 2mm, and the spacing of two neighboring metal probe is 10mm, the number and probe aperture of metal probe
Unanimously；The wire that each metal probe individually connects is collected in multicore cable, and is passed with unloading power connector pipe, loading power
Defeated one piece of pipe is integrated in multicore and integrates transfer tube, unload the retracted position of pusher and aligned position in the middle part of metal probe and
The collapsed position of loading pusher is respectively mounted support；The end that multicore integrates transfer tube is provided with Multi-core cable joint, multicore
Cable connector is connected with the multi-functional induced polarization instrument of outside.
2. shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device according to claim 1, it is characterised in that described
Loading pusher is jack type pushing meanss, loads a diameter of 35mm, the contracted length 20mm of pusher, and loading length is
50mm。
3. shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device according to claim 1, it is characterised in that described
Multicore integrates transfer tube and is made up of 17 core cables and two a diameter of 5mm flexible pipes, and 17 core cables are gathered data transmission line, and two is soft
Manage as loading pusher and unload the power transfer conduit of pusher, the integrated transmission pipe outer wall of multicore is provided with since the section of housing top
Length scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331043.7U CN206627406U (en) | 2017-03-31 | 2017-03-31 | A kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331043.7U CN206627406U (en) | 2017-03-31 | 2017-03-31 | A kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627406U true CN206627406U (en) | 2017-11-10 |
Family
ID=60206476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331043.7U Expired - Fee Related CN206627406U (en) | 2017-03-31 | 2017-03-31 | A kind of shallow overburden Seam Mining unconsolidated formation infiltration rate measure of the change device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206627406U (en) |
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2017
- 2017-03-31 CN CN201720331043.7U patent/CN206627406U/en not_active Expired - Fee Related
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