CN212364343U

CN212364343U - Multi-point displacement dynamic air quantity measuring device

Info

Publication number: CN212364343U
Application number: CN202020982113.7U
Authority: CN
Inventors: 梁文靖; 杨晓林
Original assignee: Nanjing Yixiang Environmental Technology Co ltd
Current assignee: Nanjing Yixiang Environmental Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-15
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a multiple spot displacement dynamic formula amount of wind dynamic measurement device, include: the mounting panel, the upper portion of mounting panel is equipped with box body and box body in the left side be equipped with the second motor, the power take off end of second motor is equipped with second screw rod and second screw rod surface and is equipped with the sliding block, threaded connection between sliding block and the second screw rod, sliding block upper portion is equipped with mounting disc and mounting disc upper portion and is equipped with first motor, first motor passes through bolt and mounting disc fixed connection. The utility model discloses at ground surface mounting box body, the first motor that drives its upper portion through the inside drive arrangement of box body removes, and first motor drives first screw rod rotatory, makes the lifter that is connected with first screw rod stretch out and draw back from top to bottom to adjust the wind speed measuring device on its upper portion and reciprocate, this kind of setting can detect a plurality of positions in the tunnel and the wind speed of co-altitude not, thereby can obtain the average wind speed in tunnel cross-section, can calculate and draw accurate amount of wind size.

Description

Multi-point displacement dynamic air quantity measuring device

Technical Field

The utility model relates to an amount of wind measurement technical field, more specifically are a multiple spot displacement dynamic formula amount of wind dynamic measurement device.

Background

The underground ventilation of the coal mine is an important guarantee for the safety production of the coal mine, and the air volume directly influences the underground normal production of the coal mine, so that coal mine enterprises must monitor the underground air volume change constantly to ensure that the air volume can meet the requirement of the underground normal production of the coal mine.

At present, a common method for monitoring air volume in an underground coal mine is to install air speed sensors at fixed points on two sides of an underground tunnel of the coal mine or below a top plate, and monitor the air volume by converting air speed into air volume. However, there is an obvious error in converting the monitored wind speed into the wind volume, because the wind speed distribution at different positions in the tunnel is different, and the wind speed monitoring at only one point or a plurality of points cannot accurately obtain the average wind speed of the whole tunnel section, so that the wind volume cannot be accurately obtained, and under the condition that the difference between the average wind speed and the wind speed of the monitored point is large, the wind speed monitoring even loses the meaning completely, and cannot provide guidance data for the wind volume monitoring. Therefore, a new technical solution needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple spot displacement dynamic formula amount of wind dynamic measurement device, this dynamic measurement device is at ground surface mounting box body, the first motor that drives its upper portion through the inside drive arrangement of box body removes, and first motor drives first screw rod rotatory, make the lifter that is connected with first screw rod stretch out and draw back from top to bottom, thereby adjust the wind speed measurement device on its upper portion and reciprocate, this kind of setting can detect a plurality of positions in the tunnel and the wind speed of co-altitude not, thereby can obtain the average wind speed in tunnel cross-section, can calculate the amount of wind that reachs the accuracy, satisfy the practical application demand.

In order to achieve the above object, the utility model provides a following technical scheme: a kind of multipoint displacement dynamic wind rate measuring device, including: the wind speed sensor comprises a mounting plate, a box body is arranged on the upper portion of the mounting plate, a second motor is arranged on the left side in the box body, a power output end of the second motor is provided with a second screw, a sliding block is arranged on the surface of the second screw, the sliding block is in threaded connection with the second screw, a mounting plate is arranged on the upper portion of the sliding block, a first motor is arranged on the upper portion of the mounting plate, the first motor is fixedly connected with the mounting plate through bolts, a power output end of the first motor is provided with a first screw, a lifting rod is arranged outside the first screw, a threaded groove is formed in the lifting rod, the first screw is inserted into the threaded groove and is in threaded connection with the first screw, a connecting plate is arranged on the upper portion of the lifting rod, a fixing seat is arranged on the upper portion of the connecting plate, a connecting rod is arranged on the upper portion, the movable rods are provided with four groups and are evenly distributed, the movable rods are rotatably connected with the connecting rods, and the interiors of the movable rods are connected with the wind speed sensors through wires.

As a preferred embodiment of the utility model, the both sides of first screw rod are equipped with first gag lever post and pass through bolt and first motor fixed connection, the lifter surface is equipped with sleeve and sleeve both sides and is equipped with the movable block, the movable block cup joint on first gag lever post surface and rather than sliding connection.

As a preferred embodiment of the utility model, the both sides of second screw rod are equipped with second gag lever post and run through sliding block and box body fixed connection.

As an embodiment of the present invention, the upper end of the connecting rod is provided with a support rod and a support rod connected to the connecting rod, and the left side of the support rod is provided with a tail fin and a counterweight.

As an optimized embodiment of the utility model, the hood has two sets of bowl body to constitute and be the upper and lower structure range, the semicircular structure that is of the bowl body sets up and the surface is equipped with circular bowl mouth, and is two sets of the installation opposite direction of the bowl body just is fixed through welding mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the utility model discloses at ground surface mounting box body, the first motor that drives its upper portion through the inside drive arrangement of box body removes, and first motor drives first screw rod rotatory, makes the lifter that is connected with first screw rod stretch out and draw back from top to bottom to adjust the wind speed measuring device on its upper portion and reciprocate, this kind of setting can detect a plurality of positions in the tunnel and the wind speed of co-altitude not, thereby can obtain the average wind speed in tunnel cross-section, can calculate and draw accurate amount of wind size.

(2) The utility model discloses set up the wind vane device on fan housing upper portion, can accurately detect the wind direction, the fan housing has the circular bowl body group of two not equidirectional simultaneously to constitute, and the bowl mouth opposite direction of the two bowl bodies, can detect the wind speed of not equidirectional, has improved the accuracy that the wind speed detected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the top view of the inner structure of the box body of the present invention;

fig. 3 is a schematic view of the structure of the fan housing of the present invention;

fig. 4 is the schematic view of the internal structure of the lifting rod of the present invention.

In the drawing, a mounting plate-1, a box body-2, a first motor-3, a first screw-4, a first limiting rod-5, a lifting rod-6, a sleeve-7, a movable block-8, a connecting disc-9, a fixed seat-10, a connecting rod-11, an air speed sensor-12, a movable rod-13, a fan cover-14, a tail fin-15, a balancing weight-16, a supporting rod-17, a second motor-18, a second screw-19, a second limiting rod-20, a sliding block-21, a mounting disc-22, a bowl body-23, a bowl mouth-24 and a thread groove-25 are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a kind of multipoint displacement dynamic wind rate measuring device, including: the mounting plate 1, the upper portion of the mounting plate 1 is provided with a box body 2, the left side in the box body 2 is provided with a second motor 18, the power output end of the second motor 18 is provided with a second screw rod 19, the surface of the second screw rod 19 is provided with a sliding block 21, the sliding block 21 is in threaded connection with the second screw rod 19, the upper portion of the sliding block 21 is provided with a mounting disc 22, the upper portion of the mounting disc 22 is provided with a first motor 3, the mounting plate 1 and the box body 2 are mounted in a roadway, the second motor 18 is started to drive the second screw rod 19 to rotate, the sliding block 21 on the surface of the second screw rod 19 moves left and right along the horizontal direction, so that the first motor 3 mounted on the upper portion of the sliding block 21 moves, the detection range is increased, the first motor 3 is fixedly connected with the mounting disc 22 through bolts, the power output end of the first motor 3 is provided with a first screw rod 4, the outer portion of the first screw rod 4 is provided with a lifting rod, the upper part of the lifting rod 6 is provided with a connecting disc 9, the upper part of the connecting disc 9 is provided with a fixed seat 10, the upper part of the fixed seat 10 is provided with a connecting rod 11, the surface of the connecting rod 11 is provided with a movable rod 13, the tail end of the movable rod 13 is provided with a fan cover 14, the movable rods 13 are provided with four groups which are uniformly distributed and are rotatably connected with the connecting rod 11, the inner part of the movable rod 13 is connected with the wind speed sensor 12 through a lead, meanwhile, the first motor 3 is started to drive the first screw rod 4 to rotate, so that the lifting rod 6 in threaded connection with the first screw rod 4 moves up and down, the wind speed sensor 12 connected with the upper part of the 9 disc is driven to move up and down, the vertical measuring point position can be measured, meanwhile, the surface of the connecting rod 11 arranged on the upper part of the fixed, the wind speed sensor 12 can obtain the wind speed through the rotating frequency of the fan cover 14, so that the wind volume is calculated, the device can detect a plurality of point positions in a roadway, the obtained average value is more accurate, and the wind volume measurement accuracy is improved.

Further improved, as shown in fig. 1: the both sides of first screw rod 4 are equipped with first gag lever post 5 and first gag lever post 5 passes through bolt and 3 fixed connection of first motor, 6 surfaces of lifter are equipped with sleeve 7 and sleeve 7 both sides are equipped with movable block 8, movable block 8 cup joints on 5 surfaces of first gag lever post and rather than sliding connection, and setting up of 5 cooperation sleeves 7 of first gag lever posts and movable block 8 has increased the stability that 6 removals of lifter.

Further improved, as shown in fig. 2: the both sides of second screw rod 19 are equipped with second gag lever post 20 and second gag lever post 20 runs through sliding block 21 and box body 2 fixed connection, and the setting up of second gag lever post 20 has increased sliding stability of sliding block 21.

Further improved, as shown in fig. 1: last end of connecting rod 11 is equipped with and rotates between bracing piece 17 and the connecting rod 11 to be connected, the left side of bracing piece 17 is equipped with skeg 15 and the right side is equipped with balancing weight 16, and skeg 15 and balancing weight 16 that the bracing piece 17 both ends set up can confirm the wind direction fast, ensure data collection's accuracy.

In a further improvement, as shown in fig. 3: the fan housing 14 has two sets of bowls 23 to constitute and is the structural arrangement from top to bottom, the semicircular structure that is of the bowls 23 sets up and the surface is equipped with circular bowl mouth 24, and is two sets of the installation opposite direction of the bowls 23 just fixes through the welding mode, and the fan housing 14 comprises the circular bowls 23 of two not equidirectional installations, can receive the wind-force of equidirectional not.

The utility model discloses install mounting panel 1 and box body 2 inside the tunnel, start second motor 18 and drive second screw rod 19 rotatory, make sliding block 21 on second screw rod 19 surface move along the horizontal direction and remove, thereby make the first motor 3 of sliding block 21 upper portion installation remove, increased its detection range, first motor 3 starts to drive first screw rod 4 rotatory simultaneously, make the lifter 6 of threaded connection between with first screw rod 4 reciprocate, thereby drive wind speed sensor 12 who connects 9 upper portions and reciprocate, can measure vertical measurement point location, connecting rod 11 surface mounting that fixing base 10 upper portions set up simultaneously has movable rod 13, the fan housing 14 of the end of movable rod 13 rotates in the wind, wind speed sensor 12 can draw the wind speed through the rotational frequency of fan housing 14, thereby calculate the amount of wind, the device can detect a plurality of points in the tunnel, therefore, the obtained average value is more accurate, and the accuracy of air quantity measurement is improved.

And (4) supplementary notes: the utility model discloses in wind velocity transducer's model does: "GHHB-FS".

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multiple spot displacement dynamic formula amount of wind dynamic measurement device which characterized in that: the method comprises the following steps: the mounting plate (1), the box body (2) is arranged on the upper portion of the mounting plate (1), the second motor (18) is arranged on the left side in the box body (2), the power output end of the second motor (18) is provided with the second screw (19), the surface of the second screw (19) is provided with the sliding block (21), the sliding block (21) is in threaded connection with the second screw (19), the mounting disc (22) is arranged on the upper portion of the sliding block (21), the first motor (3) is arranged on the upper portion of the mounting disc (22), the first motor (3) is fixedly connected with the mounting disc (22) through bolts, the first screw (4) is arranged on the power output end of the first motor (3), the lifting rod (6) is arranged outside the first screw (4), the lifting rod (6) is internally provided with a threaded groove (25), and the first screw (4) is inserted inside the threaded groove (25) and is in threaded connection with the lifting rod (6), the utility model discloses a wind-speed sensor, including lifter (6), connecting pad (9), connecting rod (11), fan housing (14), movable rod (13), connecting rod (11), fan housing (12), lifter (6) upper portion is equipped with connecting pad (9) and connecting pad (9), fixing pad (10) upper portion is equipped with connecting rod (11) and connecting rod (11) surface and is equipped with wind speed sensor (12), the middle part surface of connecting rod (11) is equipped with movable rod (13) and movable rod (13) end and is equipped with fan housing (14), movable rod (13) are provided with four groups and evenly distributed and rotate between movable rod (13) and connecting rod (11) and are connected, movable rod (13) inside is.

2. The multipoint movable air volume dynamic measuring device according to claim 1, characterized in that: the utility model discloses a lifting device, including first screw rod (4), lifter (6), first gag lever post (5), first motor (3), lifter (6) surface, the both sides of first screw rod (4) are equipped with first gag lever post (5) and first gag lever post (5) pass through bolt and first motor (3) fixed connection, lifter (6) surface is equipped with sleeve (7) and sleeve (7) both sides and is equipped with movable block (8), movable block (8) cup joint on first gag lever post (5) surface and rather than sliding connection.

3. The multipoint movable air volume dynamic measuring device according to claim 1, characterized in that: and second limiting rods (20) are arranged on two sides of the second screw (19), and the second limiting rods (20) penetrate through the sliding blocks (21) to be fixedly connected with the box body (2).

4. The multipoint movable air volume dynamic measuring device according to claim 1, characterized in that: the last end of connecting rod (11) is equipped with bracing piece (17) and rotates between bracing piece (17) and connecting rod (11) to be connected, the left side of bracing piece (17) is equipped with tail fin (15) and the right side is equipped with balancing weight (16).

5. The multipoint movable air volume dynamic measuring device according to claim 1, characterized in that: the fan housing (14) is composed of two groups of bowl bodies (23) and is arranged in an up-down structure, the semicircular structure of the bowl bodies (23) is arranged, a circular bowl opening (24) is formed in the surface of the bowl bodies, and the bowl bodies (23) are fixed in a welding mode in the opposite installation directions.