CN204575041U - A kind of anchor cable formula instrument of roof separation - Google Patents
A kind of anchor cable formula instrument of roof separation Download PDFInfo
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- CN204575041U CN204575041U CN201520193167.4U CN201520193167U CN204575041U CN 204575041 U CN204575041 U CN 204575041U CN 201520193167 U CN201520193167 U CN 201520193167U CN 204575041 U CN204575041 U CN 204575041U
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- cable body
- displacement
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- 238000000926 separation method Methods 0.000 title claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 75
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims abstract description 5
- 230000032798 delamination Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a kind of anchor cable formula instrument of roof separation, this indicator is primarily of hollow cable body, displacement basic point connecting line, pallet, lockset, displacement reading device forms, cable body is hollow, it is inner that displacement basic point connecting line runs through hollow cable body, one end is fixed in cable body top, the other end is passed by cable body tail end, be connected with displacement reading device, measure cable body section by displacement reading device and move basic point connecting line length variations amount, obtain cable body deflection, then the rock stratum absciss layer amount within the scope of anchorage cable anchoring is recorded, and the linear relationship of pulling force suffered by cable body deflection and cable body can be utilized to draw the value of cable body supporting power.This indicator is ensureing on the basis compared with high accurancy and precision and reliability, have without the need to beat specially get monitoring boring, monitoring while play prop effectiveness, the features such as prop force and deformation can be monitored, there is good promotion prospect.
Description
Technical field
The utility model belongs to Instrument technology field, relates to specifically a kind ofly measuring anchorage cable anchoring scope rock stratum absciss layer amount and the stressed anchor cable formula instrument of roof separation of prop.
Background technology
Prop supporting power and deflection size weigh the important indicator of supporting effect.At present, conventional all kinds of mining roof plate absciss layer indicators can carry out Real-Time Monitoring comparatively accurately to roadway roof absciss layer, but need to beat specially to get to monitor boring, not only destroy top board integrality, and add underground construction amount significantly, affect workman and normally produce; Can only monitor roadway roof absciss layer amount, it is stressed with distortion to monitor prop simultaneously, and monitoring the data obtained is single, is difficult to synthetically evaluate supporting quality and roof stability.Conventional force cell has sinusoid, fluid pressure type, piezoelectric type etc., and this quasi-instrument is subject to down-hole harsh environmental effects, and accuracy and stability are difficult to long-term guarantee.A kind of anchor cable formula instrument of roof separation of introduction of the present invention had both completed monitoring task, also played effect of prop, got monitoring boring without the need to beating specially; Mechanical displacement scale or displacement indicator can process and convert and directly show the distortion of anchor cable and stressed size, for comprehensive evaluation supporting effect provides comparatively accurately effective data.
In utility model
The purpose of this utility model is to provide a kind of anchor cable formula instrument of roof separation, this indicator is ensureing on the basis compared with high measurement precision and reliability, have without the need to beat specially get monitoring boring, monitoring while play prop effectiveness, the features such as prop force and deformation can be monitored.
The utility model solves the technical scheme that its technical matters adopts:
Technical scheme one:
A kind of anchor cable formula instrument of roof separation, be made up of hollow cable body, displacement basic point connecting line, pallet, lockset, displacement reading device, cable body is hollow, it is inner that displacement basic point connecting line runs through hollow cable body, and one end is fixed in cable body top, and the other end is passed by cable body tail end, be connected with displacement reading device, measure cable body section by displacement reading device and move basic point connecting line length variations amount, obtain cable body deflection, thus record the rock stratum absciss layer amount within the scope of anchorage cable anchoring.
A kind of anchor cable formula instrument of roof separation, by recording cable body deflection, the linear relationship of pulling force suffered by cable body deflection and cable body is utilized to draw the pulling force size that cable body bears, obtain the value of cable body supporting power, displacement reading device is mechanical displacement scale, is made up of displacement transformational structure and scale, and displacement signal is converted to the signal that can read for scale by displacement transformational structure, scale is double scale, indicates roof delamination amount and cable bolting power respectively.The transformational relation of roof delamination amount and cable bolting power is:
In formula, F is cable bolting power, and Δ l is that cable body section moves basic point line length variable quantity, and E is the elastic modulus of anchor cable body of rod metal material used, and A is the cross-sectional area of the anchor cable body of rod, and l is the initial length of the anchor cable body of rod.
During installation, anchor cable body is withstood Anchor Agent and fills in boring, when cable body and Anchor Agent arrive most deep of holing, anchor pole favourable turn is connected with cable body tail end external thread, drives whole anchor cable body to rotate, until stirred by Anchor Agent by rig, Anchor Agent is by after cable body anchoring, pallet is inserted in cable body tail end, is compressed by lockset, form initial anchor force.By cable body tail end displacement basic point connecting line through internal thread attaching nut and bent tube type external thread nut, internal thread attaching nut and bent tube type external thread nut carry out screw thread and connect, and bent tube type external thread nut is threaded with scale bottom.After stretching for displacement basic point connecting line, be fastened in displacement zero graduation line by scale pointer, indicator installs.
Technical scheme two:
A kind of anchor cable formula instrument of roof separation, be made up of hollow cable body, displacement basic point connecting line, pallet, lockset, displacement reading device, cable body is hollow, it is inner that displacement basic point connecting line runs through hollow cable body, and one end is fixed in cable body top, and the other end is passed by cable body tail end, be connected with displacement reading device, measure cable body section by displacement reading device and move basic point connecting line length variations amount, obtain cable body deflection, thus record the rock stratum absciss layer amount within the scope of anchorage cable anchoring.
A kind of anchor cable formula instrument of roof separation, by recording cable body deflection, utilizing the linear relationship of pulling force suffered by cable body deflection and cable body to draw the pulling force size that cable body bears, obtaining the value of cable body supporting power.
Displacement reading device is displacement indicator, be made up of displacement transducer and secondary instrument, the displacement signal of reading is transferred to secondary instrument process, computing and storage by data connecting line by displacement transducer, and displacement indicator can show roof delamination amount and cable bolting power respectively.
During installation, anchor cable body is withstood Anchor Agent and fills in boring, when cable body and Anchor Agent arrive most deep of holing, anchor pole favourable turn is connected with cable body tail end external thread, drives whole anchor cable body to rotate, until stirred by Anchor Agent by rig, Anchor Agent is by after cable body anchoring, pallet is inserted in cable body tail end, is compressed by lockset, form initial anchor force.Internal threaded nut is threaded with cable body threads section, displacement basic point line is connected with displacement transducer by holding screw, be anchored on displacement transducer larger diameter end, displacement transducer upper end diameter is greater than internal threaded nut internal diameter, may be stuck in internal threaded nut bottom, regulating internal threaded nut to be threaded with cable body threads section scope by rotating, displacement basic point line can be strained.By data connecting line, the displacement signal of reading to be transferred to that secondary instrument carries out processing by displacement transducer, computing and storage.
The beneficial effects of the utility model:
1. getting monitoring boring without the need to beating specially: this equipment had both completed monitoring task, also played effect of prop, avoiding and getting monitoring boring because beating specially, and destroying top board integrality further; Decrease underground construction amount, can avoid affecting workman and normally produce.
2. can try to achieve prop force and deformation: anchor cable section moves the deflection of basic point connecting line length variations quantitative response cable body, and then draw monitored area roof delamination amount, the linear relationship of pulling force and distortion suffered by cable body, the size of pulling force suffered by cable body can be drawn, try to achieve cable bolting power, displacement indicator or mechanical displacement scale all directly can show roof delamination amount and cable bolting power.
3. improve monitoring accuracy and reliability: compare conventional force cell, original displacement signal is accurately converted into the roof delamination amount and cable bolting force information that can read by the displacement reading device of this instrument, shown in real time by display device, higher precision and long-term stability can be ensured in severe subsurface environment.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the utility model better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model, wherein:
Fig. 1, Fig. 2 are anchor cable formula instrument of roof separation one-piece construction schematic diagram.
Fig. 3 is cable body section of structure.
Fig. 4 is cable body tail end and displacement transducer junction structural representation.
Fig. 5 is cable body tail end and bent tube type external thread nut junction structural representation.
Embodiment one
With reference to Fig. 1, Fig. 3, Fig. 5, the utility model is described, anchor cable formula instrument of roof separation is made up of hollow cable body 1, displacement basic point connecting line 2, pallet 3, lockset 4, displacement reading device (internal thread attaching nut 5, scale pointer 6, scale 7, bent tube type external thread nut 8), internal thread attaching nut is provided with internal thread 12, bent tube type external thread nut two interface end is provided with external thread 13, and cable body tail end is provided with external thread 14.Cable body 1 length is greater than boring 9 degree of depth, pallet 3 thickness, lockset 4 thickness sum, makes cable body tail end expose to boring, to be connected with bent tube type external thread nut 8, and ensures that cable body 1 top reaches boring 9 bosom, guarantees anchoring quality.Displacement basic point connecting line is welded in cable body top 16, and through whole hollow cable body 1, is passed by cable body tail end.
During installation, anchor cable body 1 is withstood Anchor Agent 15 and pushes boring 9, when cable body 1 and Anchor Agent arrive the most deep of boring 9, anchor pole favourable turn is connected with cable body tail end external thread 14, drives whole anchor cable body 1 to rotate, until stirred by Anchor Agent 15 by rig, Anchor Agent 15 is by after cable body 1 anchoring, pallet 3 is inserted in cable body tail end, is compressed by lockset 4, form initial anchor force.By cable body tail end displacement basic point connecting line 2 through internal thread attaching nut 5 and bent tube type external thread nut 8, internal thread attaching nut 5 is threaded with bent tube type external thread nut 8, and bent tube type external thread nut 8 is threaded with scale 7 bottom.After stretching for displacement basic point connecting line, be fastened in displacement zero graduation line by scale pointer 6, indicator installs.Scale 7 scale 18 shows cable bolting power size, and scale 19 shows roof delamination amount, and the two is linearly correlated with.
Embodiment two
Be described the utility model with reference to Fig. 2, Fig. 3, Fig. 4, before installation displacement reading device, the institute of embodiment two is identical with embodiment one in steps.The displacement reading device of embodiment two is made up of internal thread attaching nut 5, displacement transducer 29, holding screw 17, secondary instrument 11, data connecting line 10.
After forming initial anchor force, internal threaded nut 5 is threaded with cable body 1 threads section, displacement basic point line 2 is connected with displacement transducer 29 by holding screw 17, be anchored on displacement transducer 29 larger diameter end, the diameter of displacement transducer 29 larger diameter end is greater than internal threaded nut 5 internal diameter, may be stuck in internal threaded nut 5 bottom, regulating internal threaded nut 5 to be threaded with cable body 1 threads section scope by rotating, displacement basic point line 2 can be strained.By data connecting line 10, the displacement signal of reading to be transferred to that secondary instrument 11 carries out processing by displacement transducer 29, computing and storage.
More than to make those of ordinary skill in the art understand the utility model; and to the detailed description that the utility model carries out; but can expect; not departing from the scope that claim of the present utility model contains and can also make other changes and modifications, these changes and amendment are all in protection domain of the present utility model.
Claims (4)
1. an anchor cable formula instrument of roof separation, by hollow cable body, displacement basic point connecting line, pallet, lockset, displacement reading device forms, it is characterized in that cable body is hollow, it is inner that displacement basic point connecting line runs through hollow cable body, one end is fixed in cable body top, the other end is passed by cable body tail end, be connected with displacement reading device, measure cable body section by displacement reading device and move basic point connecting line length variations amount, obtain cable body deflection, thus the rock stratum absciss layer amount recorded within the scope of anchorage cable anchoring, displacement reading device can be mechanical displacement scale or displacement indicator.
2. a kind of anchor cable formula instrument of roof separation according to claim 1, is characterized in that by recording cable body deflection, and the linear relationship of the pulling force utilizing cable body deflection and cable body to bear draws cable body supporting power size.
3. a kind of anchor cable formula instrument of roof separation according to claim 1, it is characterized in that mechanical displacement scale is made up of displacement transformational structure and scale, displacement indicator is made up of displacement transducer and secondary instrument, and the displacement signal of reading is transferred to secondary instrument process, computing and storage by data connecting line by displacement transducer.
4. a kind of anchor cable formula instrument of roof separation according to claim 1, is characterized in that mechanical displacement scale is double scale, and indicate roof delamination amount and cable bolting power respectively, displacement indicator can show roof delamination amount and cable bolting power respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193167.4U CN204575041U (en) | 2015-04-01 | 2015-04-01 | A kind of anchor cable formula instrument of roof separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193167.4U CN204575041U (en) | 2015-04-01 | 2015-04-01 | A kind of anchor cable formula instrument of roof separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575041U true CN204575041U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193167.4U Expired - Fee Related CN204575041U (en) | 2015-04-01 | 2015-04-01 | A kind of anchor cable formula instrument of roof separation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781523A (en) * | 2016-03-02 | 2016-07-20 | 重庆大学 | Method for measuring swelling capacity of coal seam through ground drilling |
| CN106958459A (en) * | 2017-05-12 | 2017-07-18 | 中国矿业大学(北京) | A kind of back unstability grading forewarning system device and method for early warning |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
-
2015
- 2015-04-01 CN CN201520193167.4U patent/CN204575041U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781523A (en) * | 2016-03-02 | 2016-07-20 | 重庆大学 | Method for measuring swelling capacity of coal seam through ground drilling |
| CN106958459A (en) * | 2017-05-12 | 2017-07-18 | 中国矿业大学(北京) | A kind of back unstability grading forewarning system device and method for early warning |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN113503180B (en) * | 2021-09-13 | 2021-11-16 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160401 |