CN208155283U - Digital display type tunnel roof sinking detector - Google Patents
Digital display type tunnel roof sinking detector Download PDFInfo
- Publication number
- CN208155283U CN208155283U CN201820543773.8U CN201820543773U CN208155283U CN 208155283 U CN208155283 U CN 208155283U CN 201820543773 U CN201820543773 U CN 201820543773U CN 208155283 U CN208155283 U CN 208155283U
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- digital display
- display type
- elevating lever
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- support post
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000003028 elevating effect Effects 0.000 claims description 30
- 241000233855 Orchidaceae Species 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract 3
- 230000003203 everyday effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a digital display tunnel roof detector that sinks, relates to the auxiliary facilities in the colliery underworkings, solves current detection mode and can't detect the part that the roof sinks most easily, can not carry out real-time detection and digital display's technical problem moreover. The utility model discloses the mode that utilizes displacement sensor and mechanical linkage is implemented and is carried out real-time detection to the roof deflection, and its check point is located the central point in tunnel and puts, also is the roof most easily caving in and the position of direct sinking. The actual sinking amount can be directly displayed by a sensor in a digital mode, and the reading is visual and convenient. After observation and recording are carried out, data can be contrasted and analyzed every day, so that effective reinforcing support measures can be timely taken according to the subsidence of the roadway roof, and major safety accidents caused by roof collapse are prevented. The utility model is used for the measurement of sinking of colliery underworkings roof has that the check point is selected a position rationally, real-time detection and digital demonstration, the accurate advantage of detection data.
Description
Technical field
The utility model relates to the auxiliary equipment in coal mine down-hole tunnel, in particular to a kind of to be used for coal mine down-hole tunnel top
The digital display type detection device that plate sinks.
Background technique
The supporting of coal mine down-hole tunnel generallys use anchor pole, anchor cable adds the mode of anchor net to carry out supporting, overcomes previous branch
If the shortcomings that rigid arched canopy, trapezoidal canopy, making mine in development work, with driving, support speed is fast, labor intensity is low, section
The advantages that material saving and it is commonly used.
Changed and the influence of operated adjacent face goaf pressure by geological conditions, will lead to back be crushed absciss layer,
Phenomena such as sinking, lane side displacement deformation.Roof separation indicator was mostly used to detect greatly in the past the absciss layer of top plate, first top plate
It drills, detects basic point in horizon d and anchoring layer arrangement, detected by displacement to each other, if it is broken to encounter top plate
The case where broken or integral sinking, will be unable to specifically show deflection, be easy to bring major safety risks.Sometimes auxiliary takes wood
Matter beacon is warned, but in order to not influence the reasons such as driving in tunnel, wooden beacon branch is located at tunnel and leans on portion of side side,
The middle section that can not be easiest to sink to top plate is detected, and by the compressive deformation of observation signal column, can only be prompted
There is the sign of sinking, without specific data, does not have scientific guidance.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of digital display type back sinking detection
Device, solve existing detection mode top plate can not be easiest to sink position detect, and cannot be measured in real time and
The technical issues of digitlization display.
The utility model is achieved through the following technical solutions:
A kind of digital display type back sinking detector, including:The support post being vertically set on underworkings bottom plate,
Support post is metal hollow rectangular tube, is fixed on fixed frame above support post with U-shaped card orchid, the fixed frame other end
It is connect with drainage pipeline;
The elevating lever of the inner cavity set metal hollow, rectangular pipe structure of the support post, it is solid in the lower part side of elevating lever
Surely there is spur rack, and cooperate with the hand-operated gear being mounted on the outside of support post, the other side of support post is equipped with locking lifting
The clamping screw of bar;
The top of the elevating lever is hinged by hinge hole and detection crossbeam, and detection crossbeam is made of directly horizontal beam and vertical bar
Angular, the length ratio of horizontal beam and vertical bar is 2:1, detection crossbeam is hinged by the hinged shaft of horizontal beam and vertical bar right angle, in water
The end of flat-topped ridge is perpendicular to be fixed with adjusting rod, and adjusting rod top is equipped with the pallet being in contact with top plate, below horizontal beam
It is equipped with reinforcing rib with the side of vertical bar, is equipped between the top and reinforcing rib of elevating lever and resets extension spring, the lower end of vertical bar is set
There is pull wire pulley;
Be fixed with digital display type displacement sensor in the middle part of the elevating lever, the detection stay thimble of digital display type displacement sensor around
It is fixed after pull wire pulley with elevating lever.
Further, the two sides up and down of the digital display type displacement sensor are equipped with limit angle steel, digital display type displacement sensor
Other side pressing plate and bolt are fixed with elevating lever.
Further, it is fixed with chassis in the bottom of the support post, there is taper locator in chassis lower central position.
Further, the fixed frame has adjustable port, and the other end is welded with annular snap orchid, and annular snap orchid encircles in tunnel one
On the drainage pipeline of side, blending bolt fastening.
The utility model compared with prior art, due to being implemented in the way of displacement sensor and mechanical linkage to top plate
Deflection is measured in real time, and test point is located at the center in tunnel and top plate is easiest to be caving and directly sink
Position.Practical deflection can directly be shown by sensor with number, read intuitive and convenient.It, can after observation performs record
To be compared and analyzed daily to data, to take effective reinforcement supporting measure in time according to the deflection of back,
Prevent serious accident brought by roof caving.
Sinking of the utility model for coal mine down-hole tunnel top plate measures, and has test point bit selecting reasonable, can examine in real time
It surveys and digitlization is shown, the accurate advantage of detection data.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of digital display type back sinking detector;
Fig. 2 is the structural schematic diagram for detecting crossbeam;
Fig. 3 is working condition schematic diagram of the utility model in normal tunnel;
Fig. 4 is working condition schematic diagram of the utility model when back sinks.
In figure:1- adjusting rod, 2- detect crossbeam, 2.1- horizontal beam, 2.2- vertical bar, 3- reset extension spring, 4- digital display type
Displacement sensor, 5- elevating lever, 6- hand-operated gear, 7- fixed frame, 7.1- adjustable port, 7.2- annular snap is blue, 8- support post, 9-
Drainage pipeline, 10- pallet, 11- reinforcing rib, 12- hinged shaft, 13- pull wire pulley, 14- hinge hole, 15- limit angle steel, 16- lock
Tight bolt, 17-U shape card is blue, and 18- detects bracing wire, 19- spur rack, the chassis 20-, 21- taper locator.
Specific embodiment
Clear and complete description is carried out to the technical solution of the utility model by embodiment below in conjunction with attached drawing.
As shown in Figure 1, 2, a kind of digital display type back sinking detector, including:It is vertically set on underworkings bottom plate
On support post 8, support post 8 is metal hollow rectangular tube, and the top of support post 8 is fixed in solid with U-shaped card orchid 17
Determine on frame 7,7 other end of fixed frame is connect with drainage pipeline 9;
The elevating lever 5 of the inner cavity set metal hollow, rectangular pipe structure of the support post 8, in the lower part of elevating lever 5 one
Side is fixed with spur rack 19, and cooperates with the hand-operated gear 6 for being mounted on 8 outside of support post, and the other side of support post 8 is equipped with
Lock the clamping screw 16 of elevating lever 5;
The top of the elevating lever 5 is hinged by hinge hole 14 and detection crossbeam 2, and detection crossbeam 2 is by horizontal beam 2.1 and erects
The length ratio of 2.2 form right angle shape of bar, horizontal beam 2.1 and vertical bar 2.2 is 2:1, detection crossbeam 2 passes through horizontal beam 2.1 and vertical bar
The hinged shafts 12 of 2.2 right angles is hinged, is fixed with adjusting rod 1 the end of horizontal beam 2.1 is perpendicular, 1 top of adjusting rod is equipped with
The pallet 10 being in contact with top plate is equipped with reinforcing rib 11, the top of elevating lever 5 with the side of vertical bar 2.2 below horizontal beam 2.1
It is equipped between reinforcing rib 11 and resets extension spring 3, the lower end of vertical bar 2.2 is equipped with pull wire pulley 13;
The middle part of the elevating lever 5 is fixed with digital display type displacement sensor 4, the detection bracing wire of digital display type displacement sensor 4
18 is fixed with elevating lever 5 after pull wire pulley 13.
The two sides up and down of the digital display type displacement sensor 4 be equipped with limit angle steel 15, digital display type displacement sensor 4 it is another
Side pressing plate and bolt and elevating lever 5 are fixed.
It is fixed with chassis 20 in the bottom of the support post 8, there is taper locator 21 in chassis lower central position.
The fixed frame 7 has adjustable port 7.1, and the other end is welded with annular snap orchid 7.2, and annular snap orchid 7.2 encircles Yu Xiang
On the drainage pipeline 9 of road side, blending bolt fastening.
As shown in Figures 1 to 4, the utility model is using support post 8 as main carrying and fixed, material selection metal
Hollow, rectangular pipe is fixed with support post chassis 20 in the bottom of column, and there is taper locator 21 in chassis lower central position,
It needs in advance to punching to roadway floor when contacting with roadway floor to position, displacement will not be generated in use process.Support post
Top has U-shaped card orchid 17 to be fixed on fixed frame 7, and fixed frame 7 has adjustable port, and the other end is welded with annular snap orchid, ring
It embraces on the drainage pipeline 9 of tunnel side, by bolt fastening, it is ensured that the fixation of support post 8 is not shaken reliably.
Elevating lever 5 is also metal hollow rectangular tube, is nested in support post 8, can do oscilaltion campaign.In elevating lever
5 lower part side is fixed with spur rack 19 and cooperates with hand-operated gear 6, and main function is can be according to the height in tunnel to lifting
Bar 5 realizes quick adjusting, after height adjustment, is then locked by clamping screw 16.Its height adjustment range exists
Between 2600~3700mm, the needs in various tunnels are fully met.Digital display type displacement is fixed in the medium position of elevating lever 5 to pass
Sensor 4, the upper and lower sides of displacement sensor have limit angle steel 15 to be limited, and prevent from rotating, and there is pressing plate in the side of displacement sensor
And bolt is fixed with elevating lever 5.
Detecting crossbeam 2 is the primary drive mechanism crushed, and is hingedly fixed in the top of elevating lever 5, can be along hinged shaft 12
It is rotated, concrete shape is square, has made reinforcement processing.Detection crossbeam 2 end be fixed with adjusting rod 1 and with top
The pallet 10 that plate is in contact, detection crossbeam 2 have stretching reset spring 3 to connect with the top of elevating lever 5, limit angle steel 15 also to inspection
The original state for surveying crossbeam 2 plays the role of limit and primary data zeroing.2.2 end of vertical bar of detection crossbeam 2 has bracing wire sliding
Wheel 13, principle are the design for considering structure and the actual state in tunnel, and the length ratio of horizontal beam 2.1 and vertical bar 2.2 is 2:1,
The detection bracing wire 18 of displacement sensor is then fixed after pull wire pulley 13 with elevating lever 5, is pressurized and swings in detection crossbeam 2
When can will test bracing wire 18 tensile elongation realize 1:2, it is consistent with the amount of crushing, keeps reading data intuitively accurate.
The utility model is fixed on tunnel side, does not influence driving and pedestrian, adjustable above and below height, is suitable for coal mine
The tunnel of different height plays an important role prevention coal mine roof plate accident.
The essence that the utility model can be embodied in a variety of forms without departing from the utility model, so should manage
Solution, above-described embodiment is not limited to details above-mentioned, and should widely explain in claim limited range, therefore fall into
Change and modification in claim or its equivalent scope should be covered by the following claims.
Claims (4)
1. a kind of digital display type back sinking detector, including:The support post being vertically set on underworkings bottom plate
(8), support post (8) is metal hollow rectangular tube, and support post (8) top is fixed in fixed frame with U-shaped card blue (17)
(7) on, fixed frame (7) other end is connect with drainage pipeline (9), it is characterized in that:
The elevating lever (5) of the inner cavity set metal hollow, rectangular pipe structure of the support post (8), in the lower part of elevating lever (5)
Side is fixed with spur rack (19), and is cooperated with the hand-operated gear (6) being mounted on the outside of support post (8), support post (8)
The other side is equipped with the clamping screw (16) of locking elevating lever (5);
The top of the elevating lever (5) is by hinge hole (14) and detects crossbeam (2) hingedly, detects crossbeam (2) by horizontal beam
(2.1) with vertical bar (2.2) form right angle shape, the length ratio of horizontal beam (2.1) and vertical bar (2.2) is 2:1, detection crossbeam (2) is logical
The hinged shaft (12) of horizontal beam (2.1) and vertical bar (2.2) right angle is crossed hingedly, in the perpendicular fixation in end of horizontal beam (2.1)
Have adjusting rod (1), adjusting rod (1) top is equipped with pallet (10) with top plate contact, below horizontal beam (2.1) with vertical bar
(2.2) side is equipped with reinforcing rib (11), is equipped between the top and reinforcing rib (11) of elevating lever (5) and resets extension spring (3),
The lower end of vertical bar (2.2) is equipped with pull wire pulley (13);
It is fixed with digital display type displacement sensor (4) in the middle part of the elevating lever (5), the detection of digital display type displacement sensor (4) is drawn
Line (18) is fixed with elevating lever (5) afterwards around pull wire pulley (13).
2. digital display type back sinking detector according to claim 1, it is characterized in that:The digital display type displacement sensing
The two sides up and down of device (4) are equipped with limit angle steel (15), the other side pressing plate and bolt of digital display type displacement sensor (4) and lifting
Bar (5) is fixed.
3. digital display type back sinking detector according to claim 1, it is characterized in that:The support post (8)
Bottom is fixed with chassis (20), and chassis lower central position has taper locator (21).
4. digital display type back sinking detector according to claim 1, it is characterized in that:The fixed frame (7) has can
It adjusts hole (7.1), and the other end is welded with annular snap orchid (7.2), annular snap orchid (7.2) encircles in the drainage pipeline of tunnel side
(9) on, blending bolt fastening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820543773.8U CN208155283U (en) | 2018-04-17 | 2018-04-17 | Digital display type tunnel roof sinking detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820543773.8U CN208155283U (en) | 2018-04-17 | 2018-04-17 | Digital display type tunnel roof sinking detector |
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CN208155283U true CN208155283U (en) | 2018-11-27 |
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CN201820543773.8U Withdrawn - After Issue CN208155283U (en) | 2018-04-17 | 2018-04-17 | Digital display type tunnel roof sinking detector |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507516A (en) * | 2018-04-17 | 2018-09-07 | 中煤平朔集团有限公司 | Digital display type tunnel roof sinking detector |
CN110470273A (en) * | 2019-09-19 | 2019-11-19 | 河南理工大学 | A kind of back sinking measurement ball monitoring method based on pressure difference |
CN111879228A (en) * | 2020-07-31 | 2020-11-03 | 谭静 | Mine tunnel top and bottom plate measuring device |
-
2018
- 2018-04-17 CN CN201820543773.8U patent/CN208155283U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507516A (en) * | 2018-04-17 | 2018-09-07 | 中煤平朔集团有限公司 | Digital display type tunnel roof sinking detector |
CN110470273A (en) * | 2019-09-19 | 2019-11-19 | 河南理工大学 | A kind of back sinking measurement ball monitoring method based on pressure difference |
CN110470273B (en) * | 2019-09-19 | 2021-07-09 | 河南理工大学 | Roadway roof subsidence measuring ball monitoring method based on pressure difference |
CN111879228A (en) * | 2020-07-31 | 2020-11-03 | 谭静 | Mine tunnel top and bottom plate measuring device |
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GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20181127 Effective date of abandoning: 20230707 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20181127 Effective date of abandoning: 20230707 |