CN112578143A - Coal mine ventilation wind speed detection structure - Google Patents
Coal mine ventilation wind speed detection structure Download PDFInfo
- Publication number
- CN112578143A CN112578143A CN202011644562.1A CN202011644562A CN112578143A CN 112578143 A CN112578143 A CN 112578143A CN 202011644562 A CN202011644562 A CN 202011644562A CN 112578143 A CN112578143 A CN 112578143A
- Authority
- CN
- China
- Prior art keywords
- wind speed
- cross rod
- cross
- reset gear
- coal mine
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
Abstract
The invention discloses a coal mine ventilation wind speed detection structure which is characterized in that a plurality of connecting seats are equidistantly arranged on a vertical rod, each connecting seat is a U-shaped seat, a reset gear is rotatably arranged on one end of each connecting seat, a torsion spring is arranged on each reset gear, a fixing sleeve is arranged on the other end of each connecting seat, a abdicating groove is formed in each fixing sleeve, a cross rod is arranged in each fixing sleeve, the cross rod is perpendicular to the vertical rod, a rack is arranged on each cross rod and is positioned in the abdicating groove, the rack is meshed with the reset gear, two wind speed meters are respectively arranged on two ends of the cross rod, a limiting ring is arranged between each wind speed meter and each fixing sleeve, and a foot rest is arranged at the bottom of the vertical rod.
Description
Technical Field
The invention discloses a coal mine ventilation wind speed detection structure, relates to a structure capable of detecting wind speed in a coal mine ventilation process, and belongs to the field of coal mine equipment. In particular to a wind speed detection structure which is matched with a trapezoidal or arc roadway section through elastic connection between a cross rod and a reset gear so as to collect wind speed points.
Background
Wind speed detection is an important part of coal mine ventilation management, according to relevant regulations, a mine must establish a wind measuring system, and complete wind measurement is carried out every 10 days, while the traditional wind speed monitoring method is that a wind speed sensor is fixedly arranged on a top plate of a corresponding wind speed measuring tunnel section to carry out single-point measurement on wind speed, but because the wind speeds of all positions on the tunnel section are not uniform, the single-point monitoring method cannot accurately calculate the average wind speed of the whole section of the tunnel, the measurement error is large, although the existing measurement method for measuring the average wind speed of the whole tunnel section by moving the wind speed sensor expands the wind speed measuring points on the same tunnel section, the wind speed detection precision is effectively improved, but in the actual situation, because the section shapes of the tunnel are not regular square structures, when the wind speed is measured at the side wall of the tunnel by point arrangement, the distributed wind speed measuring points are difficult to form measuring point tracks matched with the shape of the side wall of the roadway, and the measuring precision of the average wind speed is influenced.
The notice number CN111648827A discloses a roadway wind speed remote unmanned automatic measurement monitoring system and a method, wherein the measurement monitoring system comprises a ground monitoring host, an underground network switch, an underground centralized display and data transmission device, a PLC (programmable logic controller), a first longitudinal rod, a second longitudinal rod, a transverse rod, a first driving device, a second driving device, a third driving device, a first longitudinal slide block, a second longitudinal slide block, a transverse slide block and a wind speed sensor; make wind speed sensor move and real-time measurement tunnel wind speed at tunnel section according to setting for the orbit through above-mentioned equipment and control system, calculate the average wind speed in tunnel, upload measured data to ground monitoring host computer after the measurement is accomplished to reply monitoring state, the device can only be applicable to regular square tunnel section because the restriction of its track and structure, is difficult to the accurate tunnel lateral wall of pressing close to when to trapezoidal or arc tunnel and measures.
The notice number CN106771336A discloses a tunnel section wind speed measuring device and a measuring point position calculating method, the tunnel section wind speed measuring device comprises a vertical measuring rod, a base and a wind speed measuring wind cup, the base comprises a frame, a chute is formed in the inner side surface of the frame, the vertical measuring rod is connected in the chute of the base in a sliding mode through a prism base arranged at the bottom of the vertical measuring rod, the wind speed measuring wind cup is fixedly arranged on the vertical measuring rod, the wind speed measuring wind cup is arranged according to the position determined by the Chebyf method, and when the measuring device aims at a trapezoid or arc-shaped tunnel, the profile of a side measuring point of the measuring device cannot accurately keep the uniform distance with the side wall of the tunnel, and the measuring precision of the average.
Disclosure of Invention
In order to improve the situation, the invention provides a coal mine ventilation wind speed detection structure, which is matched with a trapezoidal or arc roadway section through elastic connection between a cross rod and a reset gear so as to collect wind speed points.
The invention discloses a coal mine ventilation wind speed detection structure, which is realized as follows: the invention relates to a coal mine ventilation wind speed detection structure, which consists of a vertical rod, a fixed sleeve, an anemometer, a cross rod, a limiting ring, a trundle, a foot rest, a reset gear, a connecting seat, a rack and a push handle, wherein a plurality of connecting seats are equidistantly arranged on the vertical rod, the connecting seat is a U-shaped seat, the reset gear is rotatably arranged on one end of the connecting seat, the reset gear is provided with a torsion spring, the fixed sleeve is arranged on the other end of the connecting seat, the fixed sleeve is provided with a abdicating groove, the cross rod is arranged in the fixed sleeve, the cross rod is vertical to the vertical rod, the rack is arranged on the cross rod and positioned in the abdicating groove, the rack is meshed with the reset gear, two anemometers are respectively arranged on two ends of the cross rod, the limiting ring is arranged between the anemometer and the fixed sleeve, the foot rest is arranged at the bottom of the, the inner wall of the fixed sleeve is provided with a plurality of guide strips, the cross sections of the guide strips are semicircular, and the reset gear is made of a magnetic material.
Advantageous effects
Firstly, the accurate coincident wind speed point acquisition and measurement can be carried out on the side wall of the trapezoidal or arc roadway section.
And secondly, wind speed measurement at multiple groups of positions can be performed simultaneously, and the measurement efficiency is improved.
And thirdly, the mobile use is convenient.
Fourthly, the locking effect of the bolt can be assisted.
Fifthly, the structure is simple, and the device is convenient and practical.
Sixthly, the cost is low, and the popularization is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a coal mine ventilation wind speed detection structure of the invention;
FIG. 2 is a right side view of a coal mine ventilation wind speed detection structure of the present invention;
FIG. 3 is a perspective view of a structure for detecting ventilation wind speed in a coal mine according to the present invention, which only shows the structure of the fixing sleeve of the device;
in the attached drawings
Wherein the method comprises the following steps: upright stanchion (1), fixed sleeve (2), anemometer (3), cross bar (4), spacing ring (5), caster (6), foot rest (7), reset gear (8), connecting seat (9), rack (10), push handle (11)
The specific implementation mode is as follows:
the invention discloses a coal mine ventilation wind speed detection structure, which is realized as follows: the invention relates to a coal mine ventilation wind speed detection structure which comprises an upright post (1), a fixed sleeve (2), an anemometer (3), a cross rod (4), a limiting ring (5), a caster (6), a foot rest (7), a reset gear (8), a connecting seat (9), a rack (10) and a push handle (11), wherein a plurality of connecting seats (9) are equidistantly arranged on the upright post (1), the connecting seats (9) are U-shaped seats, the reset gear (8) is rotatably arranged on one end of the connecting seats (9), the reset gear (8) is provided with a torsion spring, the fixed sleeve (2) is arranged on the other end of the connecting seat (9), the fixed sleeve (2) is provided with a abdicating groove, the cross rod (4) is arranged inside the fixed sleeve (2), the cross rod (4) is vertical to the upright post (1), the rack (10) is arranged on the cross rod (4) and is positioned in the abdicating groove, the rack (10) is meshed with the reset gear (8, two anemometers (3) are respectively arranged at two ends of a cross rod (4), a limiting ring (5) is arranged between the anemometer (3) and a fixing sleeve (2), a foot rest (7) is arranged at the bottom of a vertical rod (1), a trundle (6) is arranged on the foot rest (7), a pushing handle (11) is arranged on the vertical rod (1), the end faces of two ends of the cross rod (4) are cambered surfaces, a plurality of guide strips are arranged on the inner wall of the fixing sleeve (2), the cross section of each guide strip is semicircular, and a reset gear (8) is made of a magnetic material.
When the wind speed detection structure is used, the wind speed detection structure is placed on a wind speed measurement section of a coal mine tunnel, wind speeds of multiple groups of positions on the tunnel section are measured through multiple groups of anemometers (3) on the wind speed measurement section, the wind speed detection structure is pushed to transversely move on the wind speed measurement section through a pushing handle (11), the positions of the multiple groups of anemometers (3) are changed, different positions of the wind speed section of the tunnel are detected, when the wind speed detection structure transversely moves and tightly clings to the side wall of the tunnel, a cross rod (4) is propped against the side wall of the tunnel, a worker continuously pushes the wind speed detection structure, the cross rod (4) is enabled to be subjected to the reaction force of the side wall of the tunnel to enable the cross rod (4) to overcome the elastic stress of a torsion spring and slide in a fixing sleeve (2), at the moment, a reset gear (8) is meshed with a rack (10), the plurality of cross rods (4) are correspondingly matched to support the side wall of the roadway, so that the drainage track of the anemometer (3) on the cross rods (4) is matched with the shape of the side wall of the roadway, an identical measuring point of the wind speed measuring section of the roadway is obtained, and the average value of the wind speed is improved to obtain the detection precision; after the measurement is finished, the vertical rod (1) is pushed away from the side wall of the roadway, and at the moment, under the stress action of a torsion spring at the end part of a gear rotating shaft, the gear rotates to drive the cross rod (4) to slide so that the cross rod (4) restores to the initial position;
the reset gear (8) is made of a magnetic material, so that the rack (10) can be clamped, the connection stability of the rack (10) and the reset gear (8) is improved, and rust on the rack (10) can be adsorbed in the moving process of the rack (10);
the end faces of two ends of the cross rod (4) are designed to be cambered surfaces, so that the cross rod (4) can form embedded extrusion with the surface of a roadway when extruding the side wall of the roadway, the cross rod (4) is kept supported, and the formation of offset sliding is avoided;
the inner wall of the fixed sleeve (2) is provided with a plurality of guide strips, the cross sections of the guide strips are in a semicircular design, so that the cross bar (4) can be guided, and meanwhile, the surface contact between the cross bar (4) and the fixed sleeve (2) is changed into line contact, so that the friction force between the cross bar (4) and the fixed sleeve (2) is reduced, and the phenomenon that the cross bar (4) is blocked due to overlarge friction force when sliding in the fixed sleeve (2) is avoided;
a limiting ring (5) is arranged between the anemometer (3) and the fixed sleeve (2) to limit the cross rod (4) and avoid the cross rod (4) from sliding excessively to cause slippage;
the cross rod (4), the rack (10) and the reset gear (8) are matched, when the device is used, the cross rod (4) is supported against a roadway rock wall, so that the cross rod (4) overcomes the elastic stress of a torsion spring at the position of the reset gear (8) and slides in the fixed sleeve (2), the rack (10) slides in the abdicating groove to limit and guide the cross rod (4), and the cross rods (4) are matched with the roadway side wall to support in an adaptive manner, so that an inosculation measuring point of the roadway wind speed measuring section is obtained;
the aim of acquiring wind speed points by matching trapezoid or arc roadway sections through elastic connection between the cross rod (4) and the reset gear (8) is fulfilled.
Claims (9)
1. The utility model provides a colliery ventilation wind speed detects structure which characterized by: on the pole setting was arranged in to a plurality of connecting seats equidistance, the connecting seat was U type seat, and the rotatable one of arranging the connecting seat in of reset gear is served, be provided with torsion spring on the reset gear, fixed cover is arranged in on the other end of connecting seat, it has the groove of stepping down to open on the fixed cover, and fixed cover is arranged in inside to the horizontal pole, horizontal pole and pole setting are mutually perpendicular, and on the horizontal pole was arranged in to the rack, and was located the groove of stepping down, rack and reset gear mesh mutually, and two anemometers are arranged in respectively on the both ends of horizontal pole, be provided with the spacing ring between anemometer and the fixed cover, the bottom of pole setting is arranged in to the foot rest, be provided.
2. The structure of claim 1, wherein the fixing sleeve has a plurality of guide bars on its inner wall.
3. The structure of claim 1, wherein the cross section of the guide strip is semicircular.
4. The coal mine ventilation wind speed detection structure according to claim 1, wherein the reset gear is made of a magnetic material.
5. The coal mine ventilation wind speed detection structure according to claim 1, characterized in that the end faces of the two ends of the cross rod are both designed to be cambered surfaces, so that when the cross rod extrudes the side wall of the roadway, the cross rod and the surface of the roadway form embedded extrusion, the cross rod is kept supported, and the formation of offset sliding is avoided.
6. The structure of claim 3, wherein the cross section of the guide bar is semicircular, so that the cross bar can be guided and the cross bar and the fixing sleeve are in line contact instead of surface contact, thereby reducing the friction between the cross bar and the fixing sleeve and avoiding the cross bar from being blocked due to excessive friction when the cross bar slides in the fixing sleeve.
7. The coal mine ventilation wind speed detection structure as claimed in claim 1, wherein a limiting ring is arranged between the anemometer and the fixing sleeve, so that the cross bar can be limited, and the cross bar is prevented from sliding off due to excessive sliding.
8. The coal mine ventilation wind speed detection structure according to claim 1, characterized in that the cross rod, the rack and the reset gear are designed in a matched manner, when in use, the cross rod is supported against a rock wall of a roadway, so that the cross rod overcomes the elastic stress of the torsion spring at the reset gear to slide in the fixed sleeve, the rack slides in the abdicating groove to limit and guide the cross rod, and the cross rods are matched with each other to support the side wall of the roadway in an adaptive manner, so that an inosculation measuring point of the wind speed measuring section of the roadway is obtained.
9. The coal mine ventilation wind speed detection structure according to claim 1, characterized in that the cross bar and the reset gear are elastically connected to fit a trapezoidal or arc roadway section for wind speed point collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011644562.1A CN112578143A (en) | 2020-12-24 | 2020-12-24 | Coal mine ventilation wind speed detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011644562.1A CN112578143A (en) | 2020-12-24 | 2020-12-24 | Coal mine ventilation wind speed detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112578143A true CN112578143A (en) | 2021-03-30 |
Family
ID=75144604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011644562.1A Pending CN112578143A (en) | 2020-12-24 | 2020-12-24 | Coal mine ventilation wind speed detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112578143A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719320A (en) * | 2021-08-30 | 2021-11-30 | 兴义民族师范学院 | Coal mine tunnel country rock stability monitoring devices |
| CN113933531A (en) * | 2021-09-24 | 2022-01-14 | 煤炭科学技术研究院有限公司 | Tunnel wind meter |
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| CN106771336A (en) * | 2017-01-13 | 2017-05-31 | 长安大学 | A kind of tunnel cross-section wind speed measuring device and measurement point position calculating method |
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| CN209027479U (en) * | 2018-11-14 | 2019-06-25 | 安阳市宁通网络科技有限公司 | A kind of Plane Curved set-back measuring device |
| CN210427617U (en) * | 2019-11-06 | 2020-04-28 | 云南省公路科学技术研究院 | Highway tunnel section wind speed detection auxiliary device |
| CN111648827A (en) * | 2020-06-11 | 2020-09-11 | 中煤科工集团重庆研究院有限公司 | Remote unmanned automatic measurement and monitoring system and method for roadway wind speed |
| CN211927947U (en) * | 2020-05-14 | 2020-11-13 | 武汉中交交通工程有限责任公司 | Highway tunnel smoke exhaust air valve wind speed measuring device |
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2020
- 2020-12-24 CN CN202011644562.1A patent/CN112578143A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016044974A (en) * | 2014-08-19 | 2016-04-04 | パナソニックＩｐマネジメント株式会社 | Tunnel wind direction and velocity measurement method, and system thereof |
| KR101542699B1 (en) * | 2014-10-23 | 2015-08-06 | 주식회사 이음엔지니어링 | System and method for measuring ventilation capacity of ventilation instruments in tunnel for tab |
| CN104777325A (en) * | 2015-04-16 | 2015-07-15 | 中国建筑科学研究院 | System and method for testing wind speed in subway platform and tunnel |
| CN106352844A (en) * | 2016-09-30 | 2017-01-25 | 石家庄铁道大学 | Tunnel monitoring device |
| CN106771336A (en) * | 2017-01-13 | 2017-05-31 | 长安大学 | A kind of tunnel cross-section wind speed measuring device and measurement point position calculating method |
| CN106706949A (en) * | 2017-02-15 | 2017-05-24 | 长安大学 | Wind cup mounting bracket applied to tunnel ventilation air speed or air flow testing |
| CN206618771U (en) * | 2017-02-15 | 2017-11-07 | 长安大学 | It is a kind of be used for tunnel ventilation wind speed or wind quantity test when vane mounting bracket |
| CN209027479U (en) * | 2018-11-14 | 2019-06-25 | 安阳市宁通网络科技有限公司 | A kind of Plane Curved set-back measuring device |
| CN210427617U (en) * | 2019-11-06 | 2020-04-28 | 云南省公路科学技术研究院 | Highway tunnel section wind speed detection auxiliary device |
| CN211927947U (en) * | 2020-05-14 | 2020-11-13 | 武汉中交交通工程有限责任公司 | Highway tunnel smoke exhaust air valve wind speed measuring device |
| CN111648827A (en) * | 2020-06-11 | 2020-09-11 | 中煤科工集团重庆研究院有限公司 | Remote unmanned automatic measurement and monitoring system and method for roadway wind speed |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719320A (en) * | 2021-08-30 | 2021-11-30 | 兴义民族师范学院 | Coal mine tunnel country rock stability monitoring devices |
| CN113719320B (en) * | 2021-08-30 | 2023-10-24 | 兴义民族师范学院 | Coal mine roadway surrounding rock stability monitoring device |
| CN113933531A (en) * | 2021-09-24 | 2022-01-14 | 煤炭科学技术研究院有限公司 | Tunnel wind meter |
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