Coal mine ventilator air pressure detection device

Abstract

The utility model discloses an air pressure detection device for a coal mine ventilator, and relates to the technical field of coal mining auxiliary equipment. Comprising a mounting ring, mounting mechanisms are mounted at the positions, close to the upper and lower edges, of the left and right side walls of the mounting ring, four inclined rods are uniformly mounted on the inner wall of the mounting ring in the circumferential direction, a mounting sleeve is fixedly mounted between the inclined rods, a rotating mechanism is mounted in the mounting sleeve, and a fixing ring is fixedly mounted on the rear side face of the rotating mechanism; an adjusting mechanism is fixedly installed between the upper inner wall and the lower inner wall of the fixing ring, the adjusting mechanism comprises a base plate, a second motor, a second ball screw, a second bearing assembly, a second ball nut, a guide rod and a guide sleeve, and an air pressure detector is installed on the adjusting mechanism. According to the utility model, the wind pressure detection device is convenient to disassemble and assemble, the installation and use of ventilation pipes with various pipe diameters can be met, and the position of the wind pressure detector is convenient to adjust in the use process, so that the wind pressure detection range is wider, the accuracy is higher, and the applicability is stronger.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining auxiliary equipment technical field, concretely is a coal mine ventilation machine wind pressure detection device. BACKGROUND

[0002] When mining, ventilation machine is needed to be used to ventilate, thereby diluting and removing harmful and toxic gas and mine coal dust produced in the process of roadway excavation construction, thereby providing good working environment, and in order to grasp the operation of the underground ventilation machine in time, the wind pressure in the ventilation duct needs to be detected, so as to manage the underground ventilation machine.

[0003] In the prior art, the conventional coal mine ventilation machine wind pressure detection device is connected and fixed with the ventilation pipe by screws, which consumes a lot of time for disassembly, and cannot meet the installation and use of ventilation pipes with different diameters, cannot automatically adjust the position of the wind pressure detector during use, cannot detect wind pressure in different ranges, and reduces the accuracy and applicability of the device. UTILITY MODEL CONTENT

[0004] The utility model provides a coal mine ventilation machine wind pressure detection device to solve the problem in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal mine ventilation machine wind pressure detection device, comprising a mounting ring, mounting mechanisms are mounted on the left and right side walls of the mounting ring near the upper and lower edges, four inclined rods are uniformly mounted on the inner wall of the mounting ring in the circumferential direction, and a mounting sleeve is fixedly mounted between the inclined rods, a rotating mechanism is mounted in the mounting sleeve, a fixed ring is fixedly mounted on the rear surface of the rotating mechanism, an adjusting mechanism is fixedly mounted between the upper and lower inner walls of the fixed ring, and a wind pressure detector is mounted on the adjusting mechanism.

[0006] Further, the mounting mechanism comprises a fixed plate, a first bearing assembly, a first ball screw, a handle, a first ball nut, a rectangular sleeve, a rectangular opening and an arc plate, two fixed plates are arranged left and right, the fixed plates are mounted on the inner wall of the mounting ring, the first ball screws are mounted on the fixed plates through the first bearing assemblies, and the left and right first ball screws are mirror arranged, the first ball screws are fixedly connected through the handle, the first ball screws are provided with the first ball nuts, the first ball nuts are fixedly mounted with the rectangular sleeves, the rectangular openings are formed in the side walls of the mounting ring corresponding to the rectangular sleeves, and the arc plates are fixedly mounted on the ends of the rectangular sleeves outside the mounting ring.

[0007] Further, the rectangular sleeve is sleeved on the outer surface of the first ball screw, and the outer surface of the rectangular sleeve is movably attached to the inner wall of the rectangular opening.

[0008] Furthermore, a limit block is fixedly installed on the end of the first ball screw away from the handle.

[0009] Furthermore, an anti-slip rubber pad is fixedly installed on the side of the arc-shaped plate away from the mounting ring.

[0010] Furthermore, the rotating mechanism includes a first motor and an X-shaped bracket. The first motor is installed inside the mounting sleeve, and the X-shaped bracket is fixedly installed on the rear side of the output shaft of the first motor. The X-shaped bracket is fixedly installed on the inner wall of the fixing ring.

[0011] Furthermore, the adjustment mechanism includes a pad, a second motor, a second ball screw, a second bearing assembly, a second ball nut, a guide rod, and a guide sleeve. Two pads are provided, and the pads are respectively installed at the middle of the upper and lower inner walls of the fixed ring. The second motor is installed on the lower surface of the upper pad, and the second ball screw is installed on the lower surface of the output shaft of the second motor. The second ball screw is connected to the lower pad through the second bearing assembly. A second ball nut is provided on the second ball screw. The guide rod is installed between the upper and lower pads, and the guide sleeve is movably sleeved on the guide rod. The side of the guide sleeve facing the second ball nut is connected and fixed to the wind pressure detector.

[0012] Compared with the prior art, this utility model provides a coal mine ventilation fan air pressure detection device, which has the following beneficial effects:

[0013] 1. The coal mine ventilation fan air pressure detection device is designed with upper and lower installation mechanisms that abut against the inner wall of the ventilation pipe, making it easy to install and disassemble the air pressure detection device and accommodating ventilation pipes of various diameters.

[0014] 2. The coal mine ventilation fan air pressure detection device uses a rotating mechanism to drive the fixed ring to rotate in both directions, which in turn causes the adjusting mechanism inside the fixed ring to move the air pressure detector. This facilitates the adjustment of the position of the air pressure detector, resulting in a wider air pressure detection range, higher accuracy, and greater applicability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a front sectional view of the present invention;

[0017] Figure 3 This is a left sectional view of the present invention;

[0018] Figure 4 This is a rear view of the fixing ring of this utility model.

[0019] In the figure: 1, mounting ring; 2, mounting mechanism; 201, fixed plate; 202, first bearing assembly; 203, first ball screw; 204, handle; 205, first ball nut; 206, rectangular sleeve; 207, rectangular opening; 208, arc plate; 3, inclined rod; 4, mounting sleeve; 5, rotating mechanism; 501, first motor; 502, X-shaped support; 6, fixed ring; 7, adjusting mechanism; 701, pad; 702, second motor; 703, second ball screw; 704, second bearing assembly; 705, second ball nut; 706, guide rod; 707, guide sleeve; 8, wind pressure detector; 9, limiting block; 10, anti-skid rubber pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model discloses a coal mine ventilator wind pressure detection device, including mounting ring 1, the left and right side wall of mounting ring 1 near upper and lower edge position all install mounting mechanism 2, the inner wall of mounting ring 1 is all installed with four inclined rods 3 along the circumference, and the fixed mounting of inclined rod 3 between is installed with mounting sleeve 4, the mounting sleeve 4 is installed with rotating mechanism 5, the rear side of rotating mechanism 5 is fixedly installed with fixed ring 6, the upper and lower inner wall of fixed ring 6 is fixedly installed with adjusting mechanism 7, and the wind pressure detector 8 is installed on adjusting mechanism 7.

[0022] Specifically, the mounting mechanism 2 includes fixed plate 201, first bearing assembly 202, first ball screw 203, handle 204, first ball nut 205, rectangular sleeve 206, rectangular opening 207 and arc plate 208, the left and right of fixed plate 201 are provided with two, the fixed plate 201 is installed on the inner wall of mounting ring 1, the first ball screw 203 is installed on the fixed plate 201 through first bearing assembly 202, and the left and right first ball screw 203 are mirror image arranged, the first ball screw 203 is fixedly connected through handle 204, the first ball screw 203 is all provided with first ball nut 205, the first ball nut 205 is fixedly installed with rectangular sleeve 206, and the rectangular opening 207 is set up on the side wall of corresponding mounting ring 1 of rectangular sleeve 206, and the arc plate 208 is fixedly installed on the end of rectangular sleeve 206 outside mounting ring 1.

[0023] In the embodiment, the handle 204 drives the left and right first ball screws 203 to rotate in the left and right first bearing assemblies 202, the left and right first ball screws 203 drive the left and right first ball nuts 205 to move, the left and right first ball nuts 205 drive the left and right rectangular sleeves 206 to move in the rectangular openings 207, the left and right rectangular sleeves 206 drive the arc-shaped plates 208 to move, the arc-shaped plates 208 abut against the inner wall of the ventilation pipe, and the mounting ring 1 is fixed.

[0024] Specifically, the rectangular sleeve 206 is sleeved on the outer surface of the first ball screw 203, and the outer surface of the rectangular sleeve 206 is movably attached to the inner wall of the rectangular opening 207.

[0025] In the embodiment, the rectangular sleeve 206 can stably move left and right.

[0026] Specifically, the first ball screw 203 is fixedly installed with a limiting block 9 at the end away from the handle 204.

[0027] In the embodiment, the limiting block 9 prevents the first ball nut 205 from falling off the first ball screw 203.

[0028] Specifically, the arc-shaped plate 208 is fixedly installed with an anti-skid rubber pad 10 on the side away from the mounting ring 1.

[0029] In the embodiment, the anti-skid rubber pad 10 increases the friction between the arc-shaped plate 208 and the inner wall of the ventilation pipe, so that the arc-shaped plate 208 abuts more stably.

[0030] Specifically, the rotating mechanism 5 includes a first motor 501 and an X-shaped support 502, the first motor 501 is installed in the mounting sleeve 4, the output shaft rear side of the first motor 501 is fixedly installed with the X-shaped support 502, and the X-shaped support 502 is fixedly installed on the inner wall of the fixed ring 6.

[0031] In the embodiment, the first motor 501 drives the X-shaped support 502 to rotate forward and backward, so that the X-shaped support 502 drives the fixed ring 6 to rotate forward and backward, the first motor 501 is a forward and reverse motor, has a self-locking function, and the forward and reverse rotation range of the first motor 501 is 0-220 degrees.

[0032] Specifically, the adjustment mechanism 7 includes a pad 701, a second motor 702, a second ball screw 703, a second bearing assembly 704, a second ball nut 705, a guide rod 706, and a guide sleeve 707. Two pads 701 are provided, and the pads 701 are respectively installed at the middle of the upper and lower inner walls of the fixing ring 6. The second motor 702 is installed on the lower surface of the upper pad 701, and the second ball screw 703 is installed on the lower surface of the output shaft of the second motor 702. The second ball screw 703 is connected to the lower pad 701 through the second bearing assembly 704. The second ball nut 705 is provided on the second ball screw 703. The guide rod 706 is installed between the upper and lower pads 701. The guide sleeve 707 is movably sleeved on the guide rod 706, and the side of the guide sleeve 707 facing the second ball nut 705 is connected and fixed to the wind pressure detector 8.

[0033] In this embodiment, the second motor 702 drives the second ball screw 703 to rotate in the second bearing assembly 704, causing the second ball screw 703 to drive the second ball nut 705 to move, the second ball nut 705 to drive the wind pressure detector 8 to move, and the wind pressure detector 8 to drive the guide sleeve 707 to move on the guide rod 706, making the movement of the wind pressure detector 8 more stable.

[0034] In use, the mounting ring 1 is installed inside the ventilation duct. The handle 204 in the mounting mechanism 2 drives the left and right first ball screws 203 to rotate within the left and right first bearing assemblies 202. The left and right first ball screws 203 move the left and right first ball nuts 205, causing the left and right first ball nuts 205 to move the left and right rectangular sleeves 206 within the rectangular openings 207. The rectangular sleeves 206 then move the arc-shaped plate 208, which presses against the inner wall of the ventilation duct, thus fixing the mounting ring 1 in place. Then, the output shaft of the first motor 501 in the rotating mechanism 5 drives the X-shaped bracket. The X-shaped bracket 502 rotates in both directions, causing the fixed ring 6 to rotate in both directions. The fixed ring 6 then rotates the wind pressure detector 8 on the adjusting mechanism 7. In addition, the second motor 702 in the adjusting mechanism 7 drives the second ball screw 703 to rotate in the second bearing assembly 704. This causes the second ball screw 703 to move the second ball nut 705, which in turn moves the wind pressure detector 8. The wind pressure detector 8 then moves the guide sleeve 707 on the guide rod 706, facilitating the adjustment of the position of the wind pressure detector 8. This results in a wider wind pressure detection range, higher accuracy, and greater applicability.

[0035] In summary, this coal mine ventilation fan air pressure detection device is easy to assemble and disassemble, and can be used with ventilation pipes of various diameters. During use, the position of the air pressure detector 8 can be easily adjusted, resulting in a wider air pressure detection range, higher accuracy, and stronger applicability.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A coal mine ventilation fan air pressure detection device, comprising an mounting ring (1), characterized in that: Mounting mechanisms (2) are installed on the left and right sidewalls near the upper and lower edges of the mounting ring (1). Four diagonal rods (3) are evenly installed on the inner wall of the mounting ring (1) along the circumference, and mounting sleeves (4) are fixedly installed between the diagonal rods (3). A rotating mechanism (5) is installed inside the mounting sleeve (4). A fixing ring (6) is fixedly installed on the rear side of the rotating mechanism (5). An adjusting mechanism (7) is fixedly installed between the upper and lower inner walls of the fixing ring (6). A wind pressure detector (8) is installed on the adjusting mechanism (7).

2. The coal mine ventilation fan air pressure detection device according to claim 1, characterized in that: The mounting mechanism (2) includes a fixing plate (201), a first bearing assembly (202), a first ball screw (203), a handle (204), a first ball nut (205), a rectangular sleeve (206), a rectangular opening (207), and an arc plate (208). Two fixing plates (201) are arranged on the left and right sides. The fixing plates (201) are mounted on the inner wall of the mounting ring (1). Each fixing plate (201) is equipped with a first ball screw (203) via the first bearing assembly (202). The first ball screw (203) is mirror-arranged. The first ball screws (203) are fixedly connected by a handle (204). Each of the first ball screws (203) is provided with a first ball nut (205). A rectangular sleeve (206) is fixedly installed on the first ball nut (205). A rectangular opening (207) is opened on the side wall of the mounting ring (1) corresponding to the rectangular sleeve (206). An arc plate (208) is fixedly installed on the end of the rectangular sleeve (206) located outside the mounting ring (1).

3. The coal mine ventilation fan air pressure detection device according to claim 2, characterized in that: The rectangular sleeve (206) is fitted onto the outer surface of the first ball screw (203), and the outer surface of the rectangular sleeve (206) is in movable contact with the inner wall of the rectangular opening (207).

4. The coal mine ventilation fan air pressure detection device according to claim 2, characterized in that: A limit block (9) is fixedly installed on the end of the first ball screw (203) away from the handle (204).

5. The coal mine ventilation fan air pressure detection device according to claim 2, characterized in that: An anti-slip rubber pad (10) is fixedly installed on the side of the arc plate (208) away from the mounting ring (1).

6. The coal mine ventilation fan air pressure detection device according to claim 1, characterized in that: The rotating mechanism (5) includes a first motor (501) and an X-shaped bracket (502). The first motor (501) is installed in the mounting sleeve (4). The X-shaped bracket (502) is fixedly installed on the rear side of the output shaft of the first motor (501). The X-shaped bracket (502) is fixedly installed on the inner wall of the fixing ring (6).

7. The coal mine ventilation fan air pressure detection device according to claim 1, characterized in that: The adjustment mechanism (7) includes a pad (701), a second motor (702), a second ball screw (703), a second bearing assembly (704), a second ball nut (705), a guide rod (706), and a guide sleeve (707). There are two pads (701), and the pads (701) are respectively installed at the middle of the upper and lower inner walls of the fixing ring (6). The second motor (702) is installed on the lower surface of the upper pad (701), and the second ball screw (703) is installed on the lower surface of the output shaft of the second motor (702). The second ball screw (703) is connected to the lower pad (701) through the second bearing assembly (704).

8. The coal mine ventilation fan air pressure detection device according to claim 7, characterized in that: The second ball screw (703) is provided with a second ball nut (705), the guide rod (706) is installed between the upper and lower pads (701), the guide rod (706) is movably sleeved on the guide sleeve (707), and the side of the guide sleeve (707) facing the second ball nut (705) is connected and fixed to the wind pressure detector (8).

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