阅读说明：本技术 一种煤矿通风风速检测结构 (Coal mine ventilation wind speed detection structure ) 是由 赵康 赵象卓 张佼 陈辰 张伟 樊星伯 于 2020-12-24 设计创作，主要内容包括：本发明一种煤矿通风风速检测结构公开了一种通过横杆和复位齿轮之间的弹性连接从而吻合梯形或者弧形的巷道断面以进行风速点采集的风速检测结构,其特征在于多个连接座等距置于立杆上,所述连接座为U型座,复位齿轮可转动的置于连接座的一端上,所述复位齿轮上设置有扭转弹簧,固定套置于连接座的另一端上,所述固定套上开有让位槽,横杆置于固定套内部,所述横杆和立杆相垂直,齿条置于横杆上,且位于让位槽中,所述齿条和复位齿轮相啮合,两个风速计分别置于横杆的两端上,所述风速计和固定套之间设置有限位环,脚架置于立杆的底部。(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.)

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.

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.