CN206891318U - A kind of roof delamination instrument system - Google Patents
A kind of roof delamination instrument system Download PDFInfo
- Publication number
- CN206891318U CN206891318U CN201720087588.8U CN201720087588U CN206891318U CN 206891318 U CN206891318 U CN 206891318U CN 201720087588 U CN201720087588 U CN 201720087588U CN 206891318 U CN206891318 U CN 206891318U
- Authority
- CN
- China
- Prior art keywords
- pulley
- pallet
- instrument system
- rope
- roof delamination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of roof delamination instrument system, mainly by depth basic point, steel wire rope, pallet, pallet anchorage head, pulley, fix bar, dial, pointer, fastener etc. forms, described pulley forms an overall structure by fix bar and pallet, the steel wire rope through different length leads to tunnel surface out of drilling respectively for shallow foundation point and deep basic point, the other end of the steel wire rope both passes through pallet hole and is located at pulley both sides respectively, the other end of two steel wire ropes is tightened through fastening screw is fixed on pulley edge side, described pulley side surface attachment has circular scale, described dial is fixedly arranged above a vertical pointer.The utility model can more intuitively judge and obtain the information of roof delamination, improve the precision of monitoring result, and processing is simply and readily realized.
Description
【Technical field】
The utility model belongs to mine down-hole tunnel driving ore pressure monitor technical field, and in particular to a kind of roof delamination
Instrument system.
【Background technology】
Underground coal mine geology mining conditions are complicated, seek mine strata-pressure behavior, are to provide supporting construction for tunnel to set
Meter and the foundation of support form selection.Roof separation indicator indicator is mainly used for the roof delamination monitoring of coal mine roadway, instructs
Roof timbering parameter is chosen and prevents the generation of top plate roof fall accident.
Current roof separation indicator mainly uses mechanically, but its onsite application effect extreme difference, number after a large amount of separation indicators installations
According to substantially unchanged, and the tunnel surface point position disunity of shallow foundation point and deep basic point, its absciss layer amount is analyzed if made the difference,
Add the error and unreliability of measurement result.
In order to accurately grasp the mechanics of back, accurately measure between the rock stratum of crucial rock stratum and lower section from
Layer amount, is necessary to provide a kind of roof delamination instrument system in fact, to solve above technical problem.
【Utility model content】
The utility model solves the problems, such as it is to overcome that original roof separation indicator measurement effect is poor, can not directly read key
The defects of rock stratum is with lower section rock stratum absciss layer amount, there is provided a kind of roof delamination instrument system, be improved measurement accuracy.
The utility model uses following technical scheme：
A kind of roof delamination instrument system, including：Pulley and two ropes, one of rope are fixed on rock by fixed anchor head
Two positions of layer top plate, the other end of rope is connected to the circumferential surface of the pulley；Two ropes respectively along clockwise and
Wrapped anti-clockwise is in the circumferential surface of the pulley, respectively edge driving pulley rotation clockwise or counterclockwise.
Described roof delamination instrument system also includes pallet, and the pallet is fixed on tunnel surface, is set in the pallet
There are two rope passages, two ropes are wound in the circumferential surface of the pulley by two rope passages.
Two rope passages in described pallet extend from tray center to pallet both sides respectively to be formed, and two ropes lead to
The one end open in road is upward from tray center, and another end opening of two rope passages is downward from pallet both sides.
Two ropes are wound in the circumferential outer surface of pulley with tension mode, and two ropes are in the circumference minimum point of pulley
Pulley is anchored on by fastener.
A wherein rope is wound in the lower-left quarter turn face of pulley, and the bottom right 1/4 that another rope is wound in pulley is justified
Side face.
The pulley is rotatablely installed on the pallet by fix bar, forms an overall structure.
Include two fix bars, one end of two fix bars is fixedly connected on the pallet, two fix bars
The other end is connected to the rotating shaft of the central shaft hole through the pulley.
The pulley surface is provided with pointer and dial, by reading the pointer indicated quarter on the dial
The variable quantity of degree detects the amount of spin of the pulley.
Two fixed anchor heads are individually fixed in soft rock position below crucial rock stratum position and crucial rock stratum.
The pallet is fixed on tunnel surface by fixed anchor head.
Compared with prior art, the utility model at least has the advantages that：The utility model is on back
A layer-through drilling is made a call to by side, determines anchor head and shallow fixed anchor head is fully mounted in layer-through drilling by deep and firm, passes through two fixed anchors
Two ropes are separately fixed in tunnel by head, and the other end of rope is fixed on pulley, and the other end of two ropes is led to
Fastener connection is crossed, so, any one position for fixing anchor head changes, you can pulley rotation is driven, so as to accurately calculate
Go out absciss layer amount.
【Brief description of the drawings】
Fig. 1 is that the utility model device forms structure chart；
Fig. 2 (a) is the structural representation of pallet and pulley in the utility model device；
Fig. 2 (b) is the combining structure schematic diagram of pallet and fix bar in the utility model device.
Fig. 3 is that the utility model installs instrumentation plan；
Fig. 4 is instrumentation plan after the utility model absciss layer.
Wherein, 1-1 is that deep basic point fixes anchor head, 1-2 is that shallow foundation point fixes anchor head, 2-1 is deep basic point steel wire rope, 2-2 is
Shallow foundation point steel wire rope, 3 be pallet, 4 be pulley, 5 be fix bar, 6 be pointer, 7 be fastener, 8 be circular scale, 9 be support
Disk fixes anchorage head, 10-1 is dextral rope passage, 10-2 is sinistral rope passage.
【Embodiment】
The essential characteristic of absciss layer is produced according to back, i.e., whether absciss layer depends on lower section incompetent bed relative to upper to top plate
The movement of Fang Guanjian rock stratum, roof delamination amount are a kind of relative shifts.
The utility model provides a kind of roof delamination instrument system, and the system is by depth basic point, steel wire rope, pallet, pallet
Rope passage, pulley, fix bar, circular scale, fastener, pointer etc. form.It is of the present utility model to be characterized in that
A layer-through drilling is made a call to above back, respectively installs shallow foundation point, deep basic point completely in the position of setting in the drilling,
Described shallow foundation point, the steel wire rope through different length is led to beyond the surface of tunnel deep basic point out of drilling respectively, the steel wire
The other end of rope, which is each passed through in pallet after left and right rope passage, is located at pulley both sides, and described pulley passes through fix bar and pallet
Form a whole structure, and the described steel wire rope other end is fixed through fastener along pulley both sides of the edge be connected with each other respectively, institute
The pulley surface stated is attached with circular scale, has one end that a vertical pointer is fixed on fix bar above described dial.
Fig. 1 and Fig. 2 is referred to, the deep basic point that the roof delamination instrument system includes being fixed in tunnel fixes anchor head 1-1, shallow
Basic point fixes anchor head 1-2, inside sets the pallet 3 of rope passage, and pulley 4.Two fixed anchor heads are disposed entirely within back
In the layer-through drilling of top, described two fixed anchor heads lead to tunnel by the steel wire rope of different length out of drilling respectively
Beyond surface, pallet 3 is installed on tunnel surface, left rope passage 10-2 and the right side are offered respectively from center to both sides in pallet
Rope passage 10-1, two steel wire ropes 2-1,2-2 are each passed through left and right rope passage 10-2,10-1 in pallet 3, along pallet
The both sides of the edge of pulley 4 of 3 lower sections, fasten by fastener 7, two steel wire ropes 2 is close to outward flange (the i.e. lower half circle of pulley 4
All outer surfaces) form an entirety.Two steel wire ropes are close to the lower half circumferential outer surface of pulley 4 with tension mode and are fixed on pulley
On, it is preferred that two steel wire ropes are fastened on pulley in the minimum point of pulley by same fastener 7, form an entirety, but
It is not limited thereto, the lower half circumferential outer surface of pulley 4 also can be individually fixed on, as long as the basic point that every steel wire rope is connected is fixed
Anchor head position, which changes, can drive pulley rotation.
Two sides of pulley 4 are formed a whole structure by two fix bars 5 and pallet 3 respectively, and pulley 4 is at two
Motion is rotated freely between fix bar 5.A pointer 6 is placed with one end of a fix bar 5, is used to refer to current state
The location of pulley, in the circular scale 8 of surface attachment one for the side roller 4 for having pointer 6, according to the more of the diameter of pulley 4
Representative distance between 8 each lattice of dial is assured that less, and the location variation of the front and rear pointer 6 of observation twice of contrast is
To observe the size of roof delamination amount twice.
Fig. 3 and Fig. 4 is referred to, in some section of the next rectangular shaped roadways of coal mine, one is made a call to through difference along back
The drilling of rock stratum layer position, depth basic point 1-1,1-2 is individually fixed in through guide rod soft below crucial rock stratum position and crucial rock stratum
Rock position, i.e., deep basic point and shallow foundation point, after fixing, extremely drilled by steel wire rope 2-1,2-2 of different length traction respectively
Outside, then two steel wire ropes 2-1,2-2 are each passed through left and right rope passage 10-2,10-1 in pallet 3, and pallet 3 is close into square
The surface in shape tunnel, two steel wire ropes 2-1,2-2 are tensed, is fixed along the both sides of the edge of pulley 4 by fastener 7, makes steel wire
Rope 2-1 and 2-2, pulley 4 etc. form a whole, that is, reach the purpose for installing the roof delamination system.
After installing the roof delamination instrument system, record corresponding to the circular scale 8 indicated by the surface pointer 6 of pulley 4
Numerical value, be designated as X1, with showing for mine pressure, produce absciss layer between deep basic point and shallow foundation point, i.e. rock where shallow foundation point 1-2
Layer position sinks relative to rock stratum position where deep basic point 1-1, and the relative motion between steel wire rope 2-1 and 2-2, which drives, to be slided
The rotate counterclockwise of wheel 4, at the same time, observation of being gone into the well for the second time, record the now correspondence of dial 8 indicated by pointer 6
Numerical value, be designated as X2, the difference (X1-X2) recorded twice is to go into the well twice during observation, top plate depth basic point 1-1 and shallow foundation point
The size of the absciss layer amount of top plate between 1-2.
Claims (10)
- A kind of 1. roof delamination instrument system, it is characterised in that：Including：Pulley and two ropes, one of rope pass through fixed anchor Head is fixed on two positions of rock stratum roof plate, and the other end of rope is connected to the circumferential surface of the pulley；Two rope difference Along the circumferential surface for being wrapped in the pulley clockwise and anticlockwise, rotated respectively along driving pulley clockwise or counterclockwise.
- A kind of 2. roof delamination instrument system according to claim 1, it is characterised in that：Described roof delamination instrument system is also Include pallet (3), the pallet (3) is fixed on tunnel surface, and two rope passages, two ropes are provided with the pallet (3) Rope is wound in the circumferential surface of the pulley by two rope passages.
- A kind of 3. roof delamination instrument system according to claim 2, it is characterised in that：Two ropes in described pallet Passage extends from tray center to pallet both sides respectively to be formed, and the one end open of two rope passages is upward from tray center, and two Another end opening of individual rope passage is downward from pallet both sides.
- A kind of 4. roof delamination instrument system according to claim 2, it is characterised in that：Two ropes are wound with tension mode In the circumferential outer surface of pulley, and two ropes are anchored on pulley in the circumference minimum point of pulley by fastener.
- A kind of 5. roof delamination instrument system according to claim 4, it is characterised in that：Wherein a rope is wound in pulley Lower-left quarter turn face, another rope be wound in the bottom right quarter turn face of pulley.
- A kind of 6. roof delamination instrument system according to claim any one of 2-5, it is characterised in that：The pulley passes through solid Fixed pole (5) is rotatablely installed on the pallet, forms an overall structure.
- A kind of 7. roof delamination instrument system according to claim 6, it is characterised in that：Include two fix bars (5), one end of two fix bars (5) is fixedly connected on the pallet (3), the other ends of two fix bars (5) be connected to through The rotating shaft of the central shaft hole of the pulley.
- A kind of 8. roof delamination instrument system according to claim any one of 1-5, it is characterised in that：The pulley surface is set Be equipped with pointer (6) and dial (8), by read the variable quantity of the pointer (6) indicated scale on the dial come Detect the amount of spin of the pulley.
- A kind of 9. roof delamination instrument system according to any one of claim 1 to 5, it is characterised in that：Two fixed anchors Head is individually fixed in soft rock position below crucial rock stratum position and crucial rock stratum.
- A kind of 10. roof delamination instrument system according to any one of claim 2 to 5, it is characterised in that：The pallet leads to Cross fixed anchor head and be fixed on tunnel surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087588.8U CN206891318U (en) | 2017-01-23 | 2017-01-23 | A kind of roof delamination instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087588.8U CN206891318U (en) | 2017-01-23 | 2017-01-23 | A kind of roof delamination instrument system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891318U true CN206891318U (en) | 2018-01-16 |
Family
ID=61328248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087588.8U Active CN206891318U (en) | 2017-01-23 | 2017-01-23 | A kind of roof delamination instrument system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643413A (en) * | 2017-01-23 | 2017-05-10 | 陕西煤业化工技术研究院有限责任公司 | Roof separation indicator system |
-
2017
- 2017-01-23 CN CN201720087588.8U patent/CN206891318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643413A (en) * | 2017-01-23 | 2017-05-10 | 陕西煤业化工技术研究院有限责任公司 | Roof separation indicator system |
| CN106643413B (en) * | 2017-01-23 | 2024-02-27 | 陕西煤业化工技术研究院有限责任公司 | Roof separation layer appearance system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110318795B (en) | Coal mine tunnel surrounding rock deformation characteristic combined monitoring system and monitoring method | |
| WO2018082307A1 (en) | Total-tunnel total-process full-section surface deformation monitoring apparatus and method | |
| CN201110753Y (en) | Large range mechanical type multi-point displacement gage | |
| CN110044318B (en) | Multipoint displacement meter for monitoring deformation of coal mine anchor-shotcrete supporting roadway surrounding rock | |
| CN203011346U (en) | Large-displacement flexible monitoring system for deep part of landslide | |
| CN101105387A (en) | Mechanical type multiple-point displacement gage | |
| CN101832745A (en) | Multi-position base plate delaminating monitor and using method thereof | |
| CN206891318U (en) | A kind of roof delamination instrument system | |
| CN101566452B (en) | Rotary disc deep base point displacement meter and measuring method thereof | |
| CN100489560C (en) | Method for detecting reinforcing bar cage length in concrete pouring pile by magnetic logging method | |
| CN204924522U (en) | A moment of torsion detection device for revolving dig rig unit head | |
| CN106643413A (en) | Roof separation indicator system | |
| CN201915940U (en) | Device for recording displacement parameters of drill bit of drilling machine by using laser in real time | |
| CN103925963B (en) | Water level and water depth measuring device | |
| CN206300603U (en) | Coal mine roadway pucking amount automated watch-keeping facility | |
| CN203310698U (en) | Coal mine tunnel coal-rock mass anchoring performance testing device | |
| CN108426663B (en) | Rectangular drilling stress monitoring device and monitoring method | |
| CN105952487A (en) | Device for analyzing broken expand degree and stability of deep soft internal and external surrounding rock of anchoring body | |
| CN100554880C (en) | Sliding intelligent inclinometer | |
| CN2709927Y (en) | Multi-point displacement measuring indicating instrument for rock separation layer | |
| CN110906850B (en) | Accurate positioning device and method for inclined deep hole sensor | |
| CN103616001A (en) | Roadway surrounding rock body multipoint bed separation volume monitoring and measuring device and mounting and measuring method | |
| CN204575041U (en) | A kind of anchor cable formula instrument of roof separation | |
| CN110864982A (en) | Low-energy-consumption automatic hard rock impact device with combination of moving pulleys and fixed pulleys and use method | |
| CN207163446U (en) | A kind of gradiometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |