CN207180639U - A kind of equipment of field monitoring overburden of the goaf space displacement - Google Patents
A kind of equipment of field monitoring overburden of the goaf space displacement Download PDFInfo
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- CN207180639U CN207180639U CN201721232331.3U CN201721232331U CN207180639U CN 207180639 U CN207180639 U CN 207180639U CN 201721232331 U CN201721232331 U CN 201721232331U CN 207180639 U CN207180639 U CN 207180639U
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- field monitoring
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Abstract
A kind of equipment of field monitoring overburden of the goaf space displacement of the utility model, sleeve including the short steel pipes located at bottom hole end and hole top, at least two anchor poles are plugged in hole, anchor pole one end is connected with anchor head, its other end connects computer by survey line, installs linear displacement transducer on survey line, double-shaft tilt angle sensor is installed on anchor head, it installs A/D converter by cable connection computer on cable.Subterranean strata is monitored using this technical scheme, can laterally and longitudinally displacement measures to underground, solves field monitoring strata movement this problem, can be according to the position where crucial rock stratum, the position of rational adjustment anchor head and quantity, data record and storage are monitored by computer, reduce the workload of Field Force.Its equipment of whole technical scheme and method are simple, and horizontal, longitudinal strata displacement amount can be measured, and measurement accuracy is high, can be greatly facilitated the use to live subterranean strata mobile monitoring.
Description
Technical field：
It the utility model is related to goaf displacement monitoring technical field, and in particular to a kind of field monitoring overburden of the goaf is empty
Between displacement equipment.
Background technology：
Construction operation is carried out at the scene, and it is a highly important part that underground strata movement, which is monitored,.With mined out
The highway or other buildings of the engineering geological condition of area and its complexity, subterranean strata is by gravity and the shadow of moving loads
Slump can occur for sound, because the rock property of each layer position is different, so the deflection of each rock stratum is during rock falls
Different, the extruding between rock is it is also possible to produce lateral displacement in the process., can be with by the observation to these deflections
Understand the transverse and longitudinal misalignment of subterranean strata.
For monitoring of the scene to subterranean strata, below earth's surface, conventional observation procedure can not for the mobile generation of rock stratum
Directly obtain rock displacement parameter.By consulting relevant information, also solve this problem without practicable method at present, because
This needs to find a kind of practicable method is observed to strata movement situation under earth's surface.
Therefore, it is necessary to a kind of more applicable monitoring device for being used for scene be studied, to solve upper technical problem.
Utility model content：
The purpose of this utility model is to provide a kind of equipment of field monitoring overburden of the goaf space displacement, can be to scene
Subterranean strata transverse and longitudinal displacement is monitored.
To achieve the above object, the utility model uses following technical scheme：
The equipment of a kind of field monitoring overburden of the goaf space displacement provided by the utility model, for measuring different depth
Rock stratum displacement, it is installed in the hole dug at the goaf being monitored, including：It is installed on the short steel in the bottom hole portion
Pipe, the short steel pipes inwall are provided with boss, filling block are embedded with the boss, and the bottom of the short steel pipes is blocked,
It is hollow-core construction inside the filling block, is offered on the position that the filling block is in contact with the boss and the filling block
The spout hole that inside is connected, for the filling block towards first through hole is offered on the end face of the hole opening, described first is logical
With being connected inside the filling block, the water that the hole basal bed is oozed out enters the hollow-core construction by the spout hole in hole
In, the top in the hole is provided with sleeve, is at least inserted with two anchor poles in the hole, the rock-bolt length is different, described
The top in the hole is fixed in one end of anchor pole, and its other end is inserted in the hole through the sleeve, and the anchor pole is located at
One end end above the hole is external in computer by survey line, and is provided with linear displacement transducer on the survey line,
One end end that the anchor pole is inserted in the hole is installed with anchor head, and double-shaft tilt angle sensor is provided with anchor head, described
Double-shaft tilt angle sensor is external in computer by cable, and A/D converter is provided with the cable, is also inserted with the hole
Grouting Pipe, one end of the Grouting Pipe are inserted in the hole through the sleeve, and its end is close to the filling block direction
The end face of the hole opening.
Anchor pole pillar is arranged with outside the anchor pole, the anchor pole pillar has rubber close to one end end set of the anchor head
Plug.
Distribution plate is additionally provided with the hole, multiple second through holes are offered on the distribution plate, the distribution plate passes through
Second through hole is sheathed on the anchor pole pillar, and the anchor pole is separated.
Assembly pulley is fixedly installed above the hole, the cable and survey line are connected by assembly pulley with computer.
End face 3~5cm of the filling block described in the threshold value of the Grouting Pipe towards the hole opening.
The filling block is conical structure, and it is internal to be hollow, and the tip of the cone is inlaid in the boss
On, the boss section is triangle, and its first side fits with the hole inwall, second side and the conical surface phase of cone
Fitting, to block the bottom of the short steel pipes, and the second side is parallel with the circular cone body cone, the cone and
Overfall is opened up on the position that the second side is in contact, the water that the hole basal bed is oozed out is entered by the spout hole
It is described it is hollow in, the cone towards offering first through hole on the end face of the hole opening, the first through hole with it is described
It is connected inside filling block.
The tip of the anchor head is provided with screw thread, and hangnail is provided with the anchor head close to the screw thread, the anchor pole
A diameter of 10~20mm, a diameter of 20~30mm of the anchor head.
Close to one end of anchor pole, anchoring has connecting plate to the anchor head, and the double-shaft tilt angle is connected with the connecting plate and is passed
Sensor.
The inside of the anchor pole pillar is coated with lubricant, to reduce the friction between anchor pole and anchor pole pillar.
A kind of beneficial effect of the equipment of field monitoring overburden of the goaf space displacement of the utility model：Using this technology
Scheme is monitored to subterranean strata, can to underground, laterally and longitudinally displacement measures, solve field monitoring rock stratum shifting
This problem is moved, can be according to the position where crucial rock stratum, the rational position for adjusting anchor head and quantity and are deposited at data record
Storage is monitored by computer, reduces the workload of Field Force.Its equipment of whole technical scheme is simple, horizontal, longitudinal rock
Layer displacement can be measured, and measurement accuracy is high, can be greatly facilitated the use to live subterranean strata mobile monitoring.
Brief description of the drawings：
Fig. 1 is the overall structure diagram of the equipment of the utility model field monitoring overburden of the goaf space displacement；
Fig. 2 is the partial structural diagram of anchor head；
Fig. 3 is the structural representation that boss and filling block combine with short steel pipes；
1- computers, 2-A/D converters, 3- cables, 4- sleeves, 5- short steel pipes, 6- cones, 7- Grouting Pipes, 8- twin shafts
Obliquity sensor, 9- anchor heads, 10- anchor poles, 11- anchor pole pillars, 12- distribution plates, 13- assembly pulleys, 14- rubber stoppers, 15- surveys line,
16- linear displacement transducers, 17- spout holes, 18- first through hole, 19- holes, 20- boss.
Embodiment：
With reference to embodiment, the utility model is described in further detail.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being such as related to " first ", " second " in the utility model is only used for describing purpose, and can not manage
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme
With reference to occurring conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the utility model
It is required that protection domain within.
According to Fig. 1, a kind of equipment of field monitoring overburden of the goaf space displacement, for measuring the rock of different depth
The displacement of layer, it is installed in the hole 19 dug at the goaf being monitored, including：It is installed on the diameter of the bottom of hole 19
Scope is 110-140mm short steel pipes 5, and the inwall of short steel pipes 5 is provided with boss 20, filling is embedded with the boss 20
Block, the bottom of the short steel pipes 5 is blocked, can be by the boss 20 before the short steel pipes 5 are placed into the hole 19
It is welded on the inwall of short steel pipes 5, is hollow-core construction inside the filling block, the filling block is in contact with the boss 20
Position on offer the spout hole 17 being connected with inside the filling block, the end that the filling block is open towards the hole 19
First through hole 18 is offered on face, the first through hole 18 is placed with being connected inside the filling block by the short steel pipes 5
During to 19 bottom of hole, the water oozed out in the bottom of hole 19 overflows along the contact surface between the boss 20 and filling block, the water now overflowed
It can be entered by the spout hole 17 in the hollow-core construction, water that can smoothly in tap 19, suffered by reduction short steel pipes 5
Buoyancy so that short steel pipes 5 are smoothly placed into the bottom of hole 19, and when device to hole 19 injects mortar, mortar can be along the first through hole
18 fill to the filling block boring structure, the filling block is blocked the bottom in the hole 19, in order to avoid
Running pulp, the top in the hole 19 are provided with the sleeve 4 that diameter range is 120-150mm, two are at least inserted with the hole 19
Individual anchor pole 10, the length of anchor pole 10 is different, to be distributed at formation depth different in the hole 19, each anchor pole
The top in the hole 19 is fixed in 10 one end, and its other end is inserted in the hole 19 through the sleeve 4, each anchor
Bar 10 is external in computer 1 positioned at one end end of the top of hole 19 by survey line 15, and is provided with the survey line 15
Linear displacement transducer 16, one end end that each anchor pole 10 is inserted in the hole 19 are installed with anchor head 9, and anchor head 9 is put
At the formation depth for needing to measure, and keep anchor head 9 vertical, double-shaft tilt angle sensor is provided with each anchor head 9
8, it be arranged in parallel with anchor pole 10, and each double-shaft tilt angle sensor 8 is external in computer 1 by cable 3, each electricity
The a length of 80mm of size, a width of 40, high 20mm A/D converter 2 are provided with cable 3, the top of hole 19 is fixedly installed pulley
Group 13, each cable 3 and survey line 15 are connected by assembly pulley 13 with computer 1, and slip casting is also inserted with the hole 19
Pipe 7, one end of the Grouting Pipe 7 is inserted in the hole 19 through the sleeve 4, and its end is close to the upper of the filling block
End face, to ensure slip casting effect, in practice, the upper surface of neat threshold value filling block is 3~5cm to engineering.
Further, anchor pole pillar 11 is arranged with outside each anchor pole 10, the anchor pole 10 is shielded, institute
One end end set that anchor pole pillar 11 is stated close to the anchor head 9 has rubber stopper 14, to prevent from entering inside the anchor pole pillar 11
Water, and then protect the miscellaneous part in anchor pole pillar 11.
Further, distribution plate 12 is additionally provided with the hole 19, multiple second through holes are offered on the distribution plate 12,
The distribution plate 12 is sheathed on the anchor pole pillar 11 by second through hole, and the anchor pole pillar 11 and described second leads to
Hole is interference fit so that the distribution plate 12 is connected to the outer wall of anchor pole pillar 11 so that distribution plate 12 is steadily arranged on
In the hole 19, the anchor pole 10 is separated by the distribution plate 12, in order to avoid disturbed mutually between anchor pole 10.
Further, as shown in Fig. 2 the tip of the anchor head 9 is provided with screw thread, on the anchor head 9 close to the screw thread
It is provided with hangnail, a diameter of 10~20mm of the anchor pole 10, a diameter of 20~30mm of the anchor head 9.
Further, in the present embodiment, as shown in figure 3, the filling block is the structure of cone 6, and it is internal for sky
The heart, the tip of the cone 6 are inlaid on the boss 20, and the section of boss 20 is triangle, its first side and institute
The inwall of hole 19 to be stated to fit, second side and the conical surface of cone 6 fit, to block the bottom of the short steel pipes 5, and it is described
Second side is parallel with the conical surface of cone 6, is opened up on the position that the cone 6 is in contact with the second side excessive
Head piece, the water that the basal bed of hole 19 is oozed out by the spout hole 17 enter it is described it is hollow in, the cone 6 is towards institute
State and offer first through hole 18 on the end face of the opening of hole 19, the first through hole 18 inside the filling block with being connected.
Further, the anchor head 9 close to anchor pole 10 one end anchoring have connecting plate, on the connecting plate it is affixed
State double-shaft tilt angle sensor 8 so that the mounting surface and tested surface of double-shaft tilt angle sensor 8 fix consolidation, and contact is smooth, avoids making
Error caused by vibration during industry.
Further, the inside of the anchor pole pillar 11 is coated with lubricant, with reduce anchor pole 10 and anchor pole pillar 11 it
Between friction.
It is described in detail below in conjunction with the accompanying drawings and overburden of the goaf space displacement monitoring is carried out using equipment of the present utility model
Operation process：
First, drilling 19 is carried out in area to be measured, sleeve 4 is arranged on to the top in the hole 19, and the hole 19 being drilled is entered
Row cleaning；Short steel pipes 5 are arranged on to the bottom in the hole 19, filling block is inlaid on the boss 20 in the short steel pipes 5, it is right
The bottom of the short steel pipes 5 is blocked；The anchor head 9 for being provided with double-shaft tilt angle sensor 8 is solidly connected to the one end of anchor pole 10, its is another
One end is connected with survey line 15, and linear displacement transducer 16 is provided with survey line 15, by the connecting cable of double-shaft tilt angle sensor 8
3, A/D converter 2 is installed on cable 3, the cable 3 and survey line 15 are all connected to computer 1, and in cable 3 and survey line
Number label is sticked on 15 respectively；The end of anchor head 9 of the different anchor pole 10 of at least two root long degree is plugged in the hole 19, will be noted
Slurry pipe 7 is also inserted in the hole 19, and its end is located at the lower section of the end of anchor pole 10, and the end of Grouting Pipe 7 is than inserting
The distance that anchor head 9 most deep in hole 19 grows 1.5m is located at, and multiple slurry outlets are bored in the end of the slurry output end in Grouting Pipe 7, just
In more preferable pulp；Mortar is injected into the hole 19 by the Grouting Pipe 7, the mortar is less than 1mm using sand fineness
Cleaning fine sand and cement, by the ratio of mud 0.5:1 configuration is formed, and mortar is filled to the filling block along the first through hole 18
Boring structure, the filling block is set to block the bottom in the hole 19, in order to avoid running pulp, slip casting process mesopore 19 is interior can be continuous
There is air discharge, until starting overfall in the hole 19, stop slip casting；Finally after mortar initial set, cut off outside the Grouting Pipe 7
The part in the outside of hole 19 is exposed to, after general 16 hours, mortar solidifies completely, passes through movement of the computer 1 to subterranean strata
Situation is observed, i.e., the vertical displacement H and strata movement that obtain different depth rock stratum inclination alpha are read by computer 1, is led to
Lateral displacement L=H × tan α of rock stratum are calculated in the inclination alpha for crossing vertical displacement H and strata movement, and then obtain rock stratum
Horizontal, length travel.
Finally it should be noted that：Above example is only illustrating the technical solution of the utility model rather than it is limited
System, although the utility model is described in detail with reference to above-described embodiment, those of ordinary skill in the art should manage
Solution：Specific embodiment of the present utility model can still be modified or equivalent substitution, and without departing from the utility model
Any modification of spirit and scope or equivalent substitution, it all should cover among present claims scope.
Claims (9)
1. a kind of equipment of field monitoring overburden of the goaf space displacement, the displacement of the rock stratum for measuring different depth, it is pacified
Loaded in the hole dug at the goaf being monitored, it is characterised in that：Including：It is installed on the short steel pipes in the bottom hole portion, institute
State short steel pipes inwall and be provided with boss, filling block is embedded with the boss, the bottom of the short steel pipes is blocked, it is described to fill out
It is hollow-core construction to fill inside block, is offered on the position that the filling block is in contact with the boss and phase inside the filling block
The spout hole of connection, the filling block is towards offering first through hole, the first through hole and institute on the end face of the hole opening
State and be connected inside filling block, the water that the hole basal bed is oozed out is entered in the hollow-core construction by the spout hole, institute
The top for stating hole is provided with sleeve, is at least inserted with two anchor poles in the hole, the rock-bolt length is different, the anchor pole
The top in the hole is fixed in one end, and its other end is inserted in the hole through the sleeve, and the anchor pole is located at the hole
One end end of top is external in computer by survey line, and linear displacement transducer is provided with the survey line, the anchor
One end end that bar is inserted in the hole is installed with anchor head, and double-shaft tilt angle sensor is provided with anchor head, and the twin shaft inclines
Angle transducer is external in computer by cable, and A/D converter is provided with the cable, slip casting is also inserted with the hole
Pipe, one end of the Grouting Pipe are inserted in the hole through the sleeve, and its end is close to described in filling block direction
The end face of hole opening.
A kind of 2. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
Anchor pole pillar is arranged with outside anchor pole, the anchor pole pillar has rubber stopper close to one end end set of the anchor head.
A kind of 3. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
Distribution plate is additionally provided with hole, multiple second through holes are offered on the distribution plate, the distribution plate passes through second through hole
It is sheathed on the anchor pole pillar, the anchor pole is separated.
A kind of 4. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
Assembly pulley is fixedly installed above hole, the cable and survey line are connected by assembly pulley with computer.
A kind of 5. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
End face 3~5cm of the filling block described in the threshold value of Grouting Pipe towards the hole opening.
A kind of 6. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
Filling block is conical structure, and its inside is hollow, and the tip of the cone is inlaid on the boss, and the boss is cut
Face is triangle, and its first side fits with the hole inwall, and the conical surface of second side and cone fits, to block
The bottom of short steel pipes is stated, and the second side is parallel with the circular cone body cone, the cone and the second side
Open up overfall on the position being in contact, the water that the hole basal bed is oozed out by the spout hole enter it is described it is hollow in,
The cone is towards offering first through hole on the end face of the hole opening, phase inside the first through hole and the filling block
Connection.
A kind of 7. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
The tip of anchor head is provided with screw thread, and hangnail is provided with the anchor head close to the screw thread, the anchor pole a diameter of 10~
20mm, a diameter of 20~30mm of the anchor head.
A kind of 8. equipment of field monitoring overburden of the goaf space displacement according to claim 1, it is characterised in that：It is described
Close to one end of anchor pole, anchoring has connecting plate to anchor head, and the double-shaft tilt angle sensor is connected with the connecting plate.
A kind of 9. equipment of field monitoring overburden of the goaf space displacement according to claim 2, it is characterised in that：It is described
The inside of anchor pole pillar is coated with lubricant, to reduce the friction between anchor pole and anchor pole pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232331.3U CN207180639U (en) | 2017-09-25 | 2017-09-25 | A kind of equipment of field monitoring overburden of the goaf space displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232331.3U CN207180639U (en) | 2017-09-25 | 2017-09-25 | A kind of equipment of field monitoring overburden of the goaf space displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180639U true CN207180639U (en) | 2018-04-03 |
Family
ID=61749282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232331.3U Expired - Fee Related CN207180639U (en) | 2017-09-25 | 2017-09-25 | A kind of equipment of field monitoring overburden of the goaf space displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180639U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389008A (en) * | 2017-09-25 | 2017-11-24 | 辽宁工程技术大学 | A kind of device and method of field monitoring overburden of the goaf space displacement |
| CN108590766A (en) * | 2018-04-20 | 2018-09-28 | 程刚 | A kind of depression of coal mine gob overlying warp damage rock stratum monitors system |
| CN110608647A (en) * | 2019-10-19 | 2019-12-24 | 山东科技大学 | Mining goaf bottom plate deep hole displacement meter and using method thereof |
| CN111456723A (en) * | 2020-04-08 | 2020-07-28 | 中国矿业大学 | One-hole dual-purpose method for overburden three-zone detection and rock stratum movement monitoring |
| CN112253198A (en) * | 2020-09-25 | 2021-01-22 | 中铁隆昌铁路器材有限公司 | Composite hollow anchor rod assembly and mounting method thereof |
-
2017
- 2017-09-25 CN CN201721232331.3U patent/CN207180639U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389008A (en) * | 2017-09-25 | 2017-11-24 | 辽宁工程技术大学 | A kind of device and method of field monitoring overburden of the goaf space displacement |
| CN108590766A (en) * | 2018-04-20 | 2018-09-28 | 程刚 | A kind of depression of coal mine gob overlying warp damage rock stratum monitors system |
| CN110608647A (en) * | 2019-10-19 | 2019-12-24 | 山东科技大学 | Mining goaf bottom plate deep hole displacement meter and using method thereof |
| CN111456723A (en) * | 2020-04-08 | 2020-07-28 | 中国矿业大学 | One-hole dual-purpose method for overburden three-zone detection and rock stratum movement monitoring |
| CN111456723B (en) * | 2020-04-08 | 2021-07-09 | 中国矿业大学 | One-hole dual-purpose method for overburden three-zone detection and rock stratum movement monitoring |
| CN112253198A (en) * | 2020-09-25 | 2021-01-22 | 中铁隆昌铁路器材有限公司 | Composite hollow anchor rod assembly and mounting method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |