Air volume monitoring device for mine ventilator centralized control system

Abstract

The utility model discloses an air volume monitoring device for a mine ventilator centralized control system, which relates to the technical field of mine ventilation and comprises a ventilation pipeline. The movable groove is integrally formed in the surface of the bottom of the ventilation pipeline, the movable groove communicates with the interior of the ventilation pipeline, a placing frame is installed in the movable groove and movably clamped in the movable groove, rotating rods are symmetrically arranged on the two sides of the placing frame, the placing frame is arranged in the ventilation pipeline, and the rotating rods are arranged on the rotating rods; the air volume sensor is installed on the surface of the placing frame, the air volume sensor is located in the ventilation pipeline, when maintenance is needed, the placing frame is rotated, the air volume sensor is turned over to the bottom of the ventilation pipeline, the air volume sensor can be rapidly moved out of the ventilation pipeline, and therefore maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine ventilation technical field, concretely is a kind of mine ventilation fan centralized control system air volume monitoring device. BACKGROUND

[0002] Coal mine ventilation air volume monitoring device is the equipment for monitoring and measuring the air volume in the coal mine underground ventilation system, in coal mine, the normal operation of ventilation system is very important, it can provide fresh air, exclude harmful gas, control coal dust, maintain suitable working environment.

[0003] Such as the announcement number CN 220303388 U is named a coal mine ventilation air volume monitoring device, the device includes ventilation duct, and monitoring mechanism is fixed on ventilation duct, and monitoring mechanism includes mounting plate, fixed assembly, monitor, bottom plate and lifting assembly, by the setting of fixed assembly, it can conveniently on ventilation duct whole dismounting to mounting plate, and the setting of lifting assembly can quickly lift bottom plate and monitor, in time the surface of monitor is cleaned up;

[0004] The above-mentioned device is removed from the duct by the lifting mode driven by the rotation of the screw rod during use, but this moving mode is relatively complex, and the process of rotating the screw rod is relatively long, time-consuming and laborious, which is not convenient for overhauling the monitoring mechanism;Therefore, we propose a kind of mine ventilation fan centralized control system air volume monitoring device to solve the problems raised in the above-mentioned. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of mine ventilation fan centralized control system air volume monitoring device to solve the problems raised in the above-mentioned background technology, i.e., the lifting moving mode of monitoring mechanism driven by the rotation of screw rod is relatively complex, and the process of rotating screw rod is relatively long, time-consuming and laborious, which is not convenient for overhauling monitoring mechanism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of mine ventilation fan centralized control system air volume monitoring device, including ventilation duct;

[0007] Further comprising:

[0008] movable groove is integrally formed on the bottom surface of ventilation duct, and the movable groove is communicated with the inside of ventilation duct, the inside of movable groove is provided with a placing rack, and the placing rack is movably clamped in the inside of movable groove, the two sides of the placing rack are symmetrically provided with rotating rods, and the placing rack is rotated in the inside of movable groove through rotating rods, the upper end surface of the placing rack is provided with an air volume sensor, and the air volume sensor is located in the inside of ventilation duct.

[0009] Preferably, gaps are left between the two ends of the placing rack and the fitting positions of the two sides of the movable groove.

[0010] Preferably, a first step surface is arranged on one side of the inner wall of the movable groove, and the first step surface is located at one end of the placing rack; a second step surface is arranged on the other side of the inner wall of the movable groove, and the second step surface is located at the other end of the placing rack; the first step surface and the second step surface are oppositely arranged; a first protrusion is integrally arranged at one end of the placing rack, and the first protrusion is movably fitted on the surface of the first step surface; a second protrusion is integrally arranged at the other end of the placing rack, and the second protrusion is oppositely arranged between the first protrusion; and the second protrusion is movably fitted on the surface of the second step surface.

[0011] Preferably, a rotating hole is arranged on the bottom surface of the ventilation duct, and two rotating holes are symmetrically arranged on the two sides of the movable groove; an eccentric rod is movably clamped in the rotating hole; an upper clamping plate is arranged on the upper end of the eccentric rod, and the upper clamping plate is located in the ventilation duct and is fitted on the connecting position between the placing rack and the movable groove; and a lower clamping plate is arranged on the bottom of the eccentric rod, and the lower clamping plate is located on the bottom of the ventilation duct and is aligned with the upper clamping plate.

[0012] Preferably, a rotating hole is arranged on the bottom surface of the ventilation duct, and two rotating holes are symmetrically arranged on the two sides of the movable groove; an eccentric rod is movably clamped in the rotating hole; an upper clamping plate is arranged on the upper end of the eccentric rod, and the upper clamping plate is located in the ventilation duct and is fitted on the connecting position between the placing rack and the movable groove; and a lower clamping plate is arranged on the bottom of the eccentric rod, and the lower clamping plate is located on the bottom of the ventilation duct and is aligned with the upper clamping plate.

[0013] Preferably, a rotating hole is arranged on the bottom surface of the ventilation duct, and two rotating holes are symmetrically arranged on the two sides of the movable groove; an eccentric rod is movably clamped in the rotating hole; an upper clamping plate is arranged on the upper end of the eccentric rod, and the upper clamping plate is located in the ventilation duct and is fitted on the connecting position between the placing rack and the movable groove; and a lower clamping plate is arranged on the bottom of the eccentric rod, and the lower clamping plate is located on the bottom of the ventilation duct and is aligned with the upper clamping plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By arranging the placing rack in the ventilation duct, the air volume sensor is arranged on the surface of the placing rack and located in the ventilation duct, and when maintenance is needed, the placing rack is rotated to turn the air volume sensor to the bottom of the ventilation duct, so that the air volume sensor can be quickly removed from the inside of the ventilation duct, thereby facilitating maintenance.

[0016] 2. By arranging the fixing mechanism on the two sides of the connecting position between the placing rack and the movable groove, the fixing mechanism is composed of the upper clamping plate, the lower clamping plate and the eccentric rod, the placing rack is fixed by the upper clamping plate and the lower clamping plate to prevent the placing rack from being loose and deviated when maintenance is not needed, and the protrusions are arranged on the two ends of the placing rack to be clamped with the step surfaces on the two sides of the inner wall of the movable groove to limit the turning angle of the placing rack. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first perspective view of the overall structure of the utility model.

[0018] Figure 2 It is the whole structure second visual angle schematic view of the utility model;

[0019] Figure 3 It is the placing rack structure schematic view of the utility model;

[0020] Figure 4 It is the ventilation pipeline mechanism schematic view of the utility model;

[0021] In the drawing: 1, ventilation pipeline; 2, movable slot; 3, round hole; 4, rotating hole; 5, first step surface; 6, second step surface; 7, placing rack; 8, first convex strip; 9, second convex strip; 10, air volume sensor; 11, rotating rod; 12, rotating disc; 13, upper clamping plate; 14, eccentric rod; 15, lower clamping plate; 16, push block. DETAILED DESCRIPTION

[0022] 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, not all the embodiments.

[0023] The utility model provides a kind of air volume monitoring device for mine ventilator centralized control system, and the device includes ventilation pipeline 1.The utility model mainly solves the problem that the mode of using screw rod rotation to drive monitoring mechanism to move up and down is more complex, and the process of rotating screw rod is longer, time-consuming and laborious, which is not convenient for maintenance of monitoring mechanism.

[0024] For the device provided by the utility model, please refer to Figures 1-4 , and specific introduction is made below.

[0025] Movable slot 2 is integrally formed on the bottom surface of ventilation pipeline 1, and movable slot 2 is connected to the inside of ventilation pipeline 1, and placing rack 7 is installed in the inside of movable slot 2, and placing rack 7 is movably clamped in the inside of movable slot 2, and rotating rod 11 is symmetrically arranged on the two sides of placing rack 7, and placing rack 7 rotates in the inside of movable slot 2 through rotating rod 11, air volume sensor 10 is installed on the upper end surface of placing rack 7, and air volume sensor 10 is located in the inside of ventilation pipeline 1, round hole 3 is arranged on one side of the surface of ventilation pipeline 1, and one end of rotating rod 11 extends out of the outside of ventilation pipeline 1 through round hole 3, rotating disc 12 is arranged on one end of rotating rod 11, and rotating disc 12 is located on the outside of ventilation pipeline 1, and placing rack 7 is rotated through rotating disc 12, and there is a gap between the two ends of placing rack 7 and the abutting parts on the two sides of movable slot 2, and a certain gap is left to facilitate the overturning of placing rack 7.

[0026] Please refer to Figures 3-4Further illustrate, the inner wall side of the movable groove 2 is provided with a first step surface 5, and the first step surface 5 is located at one end of the placing rack 7, the other side of the inner wall of the movable groove 2 is provided with a second step surface 6, the second step surface 6 is located at the other end of the placing rack 7, and the first step surface 5 and the second step surface 6 are reversely arranged, one end of the placing rack 7 is integrally provided with a first convex strip 8, and the first convex strip 8 is movably attached to the surface of the first step surface 5, the other end of the placing rack 7 is integrally provided with a second convex strip 9, the second convex strip 9 and the first convex strip 8 are reversely arranged, and the second convex strip 9 is movably attached to the surface of the second step surface 6, so that the rotation range of the placing rack 7 can be limited.

[0027] Please refer to Figures 3-4 Further illustrate, the bottom surface of the ventilation duct 1 is provided with a rotating hole 4, and the rotating hole 4 is symmetrically provided with two and located at two sides of the movable groove 2, the inside of the rotating hole 4 movably clamps an eccentric rod 14, the upper end of the eccentric rod 14 is installed with an upper clamping plate 13, the upper clamping plate 13 is located inside the ventilation duct 1, and the upper clamping plate 13 is attached to the connecting part between the placing rack 7 and the movable groove 2, the bottom of the eccentric rod 14 is installed with a lower clamping plate 15, the lower clamping plate 15 is located at the bottom of the ventilation duct 1, and the lower clamping plate 15 is aligned with the upper clamping plate 13, the bottom of the lower clamping plate 15 is provided with a push block 16.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A kind of mine ventilator control system air volume monitoring device, including ventilation duct (1); characterized in that Further comprising: Movable slot (2), integrally formed in the bottom surface of ventilation duct (1), and movable slot (2) is communicated with the inside of ventilation duct (1), the inside of movable slot (2) is installed with placing rack (7), and placing rack (7) is movably engaged in the inside of movable slot (2), the both sides of placing rack (7) are symmetrically provided with rotating rod (11), and placing rack (7) is rotated in the inside of movable slot (2) by rotating rod (11), the upper end surface of placing rack (7) is installed with air volume sensor (10), and air volume sensor (10) is located in the inside of ventilation duct (1).

2. The air volume monitoring device for a mine fan centralized control system according to claim 1, characterized in that: The both ends of placing rack (7) and the fitment between the both sides of movable slot (2) are left with gap.

3. The air volume monitoring device for a mine fan centralized control system according to claim 1, characterized in that: The inner wall of movable slot (2) is provided with first step surface (5) on one side, and first step surface (5) is located at one end of placing rack (7), the other side of the inner wall of movable slot (2) is provided with second step surface (6), second step surface (6) is located at the other end of placing rack (7), and first step surface (5) and second step surface (6) are reversely arranged, one end of placing rack (7) is integrally provided with first convex strip (8), and first convex strip (8) is movably attached to the surface of first step surface (5), the other end of placing rack (7) is integrally provided with second convex strip (9), second convex strip (9) and first convex strip (8) are reversely arranged, and second convex strip (9) is movably attached to the surface of second step surface (6).

4. The air volume monitoring device for a mine fan centralized control system according to claim 1, characterized in that: The bottom surface of ventilation duct (1) is provided with rotating hole (4), and rotating hole (4) is symmetrically provided with two and is located at the both sides of movable slot (2) respectively, the inside of rotating hole (4) is movably engaged with eccentric rod (14), the upper end of eccentric rod (14) is installed with upper engaging plate (13), and upper engaging plate (13) is located in the inside of ventilation duct (1), and upper engaging plate (13) is attached to the connecting part between placing rack (7) and movable slot (2), the bottom of eccentric rod (14) is installed with lower engaging plate (15), and lower engaging plate (15) is located at the bottom of ventilation duct (1), and lower engaging plate (15) is aligned with upper engaging plate (13).

5. The air volume monitoring device for a mine fan centralized control system according to claim 4, characterized in that: The bottom of lower engaging plate (15) is provided with dial block (16).

6. The air volume monitoring device for a mine fan centralized control system according to claim 1, characterized in that: One side of the surface of ventilation duct (1) is provided with round hole (3), and one end of rotating rod (11) extends out of the outside of ventilation duct (1) through round hole (3), one end of rotating rod (11) is provided with rotating disc (12), and rotating disc (12) is located on the outside of ventilation duct (1).

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