CN215804672U - Multi-degree-of-freedom air guide device in underground coal mine - Google Patents

Abstract

The utility model discloses a multi-degree-of-freedom air guide device in a coal mine, which comprises an air duct which is horizontally arranged, wherein an air guide blade and a driving device are arranged in the air duct, a disc base is arranged right below the air duct, the disc base is fixedly arranged on a bottom plate, a vibration reduction blind hole is vertically and downwards formed in the disc base, and a vibration reduction spring is vertically arranged at the hole bottom of the vibration reduction blind hole; the utility model has the beneficial effects that: the multifunctional lifting machine is simple in structure, can realize the functions of lifting with multiple degrees of freedom, angle adjustment and the like, can be flexibly adjusted according to different requirements, is more flexible and changeable to use, achieves multiple purposes, fully utilizes equipment resources, and is worthy of being popularized and used in a large range.

Description

Multi-degree-of-freedom air guide device in underground coal mine

The technical field is as follows:

the utility model relates to the technical field of underground air guide devices of coal mines, in particular to an underground multi-degree-of-freedom air guide device of a coal mine.

Background art:

the air guide device is indispensable equipment in a coal mine tunnel, and mainly has the function of realizing ventilation, so that the gas concentration is reduced, and the personal safety of workers is ensured; during the in-service use, because the trend in tunnel, the width in tunnel, the position that the tunnel was located all is different, consequently different tunnels need design different air ducting, equipment reuse rate is poor, the wasting of resources, someone has researched and developed the air ducting that can carry out single angle modulation among the prior art, still can not satisfy changeable air ducting demand, wait urgently to research and develop more multi freedom's air ducting and adapt to new production demand.

The utility model has the following contents:

the utility model aims to provide a multi-degree-of-freedom air guide device in a coal mine.

The utility model comprises the following contents: a multi-degree-of-freedom air guide device in a coal mine comprises an air duct which is horizontally arranged, an air guide blade and a driving device are installed in the air duct, a disc base is arranged under the air duct, the disc base is fixedly installed on a bottom plate, a vibration reduction blind hole is vertically and downwards formed in the disc base, a vibration reduction spring is vertically installed at the hole bottom of the vibration reduction blind hole and is in sliding connection with a vibration reduction slide bar, the bottom end of the vibration reduction slide bar is in contact with the vibration reduction spring, the top end of the vibration reduction slide bar is hinged with the air duct, adjusting base posts are vertically arranged at the two side positions of the disc base, the bottom end of each adjusting base post is attached to the bottom plate, an adjusting blind hole is vertically and downwards formed in the top end of each adjusting base post, an adjusting slide bar is connected in the adjusting blind hole in a sliding mode, and a locking screw hole is horizontally formed in the outer wall of each adjusting base post, the air duct is arranged in the adjusting fork seat, the adjusting slide rod is fixedly connected with the adjusting blind hole, the adjusting blind hole is communicated with the adjusting blind hole, the locking screw is screwed in the locking screw and locks the adjusting slide rod, the top end of the adjusting slide rod is fixedly connected with the semicircular adjusting fork seat, and the air duct is arranged in the adjusting fork seat.

Furthermore, the bottom end of the adjusting slide rod is vertically upwards provided with a limiting blind hole, a limiting spring and a positioning ball are sequentially installed from the hole bottom of the limiting blind hole to a hole opening, a bottom plate is provided with a circular arc-shaped track groove matched with the positioning ball, the track groove takes the axis of the adjusting foundation column as the center, the positioning ball rolls in the track groove, and the track groove is provided with a plurality of positioning pits matched with the positioning ball.

Furthermore, the locking surface of the locking screw is provided with an anti-skid spine.

Further, the surface of the positioning ball is coated with a wear-resistant coating.

Furthermore, the section of the adjusting fork seat is circular.

The utility model has the beneficial effects that: the multifunctional lifting machine is simple in structure, can realize the functions of lifting with multiple degrees of freedom, angle adjustment and the like, can be flexibly adjusted according to different requirements, is more flexible and changeable to use, achieves multiple purposes, fully utilizes equipment resources, and is worthy of being popularized and used in a large range.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

in the figure, a bottom plate 1, a disc base 2, a damping blind hole 3, an air duct 4, an air guide blade 5, a positioning pit 6, an adjusting fork seat 7, a damping slide rod 8, an adjusting slide rod 9, an adjusting blind hole 10, a damping spring 11, a limiting blind hole 12, a limiting spring 13, a positioning ball 14, a track groove 15, an adjusting base column 16 and a locking screw 17.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, a multi-degree-of-freedom air guide device in a coal mine comprises a horizontally arranged air duct 4, an air guide blade 5 and a driving device are installed in the air duct 4, a disc base 2 is arranged under the air duct 4, the disc base 2 is fixedly installed on a bottom plate 1, a damping blind hole 3 is vertically and downwardly formed in the disc base 2, a damping spring 11 is vertically installed at the bottom of the damping blind hole 3, the damping blind hole 3 is in sliding connection with a damping slide bar 8, the bottom end of the damping slide bar 8 is in contact with the damping spring 11, the top end of the damping slide bar 8 is hinged to the air duct 4, adjusting base pillars 16 are vertically arranged at two sides of the disc base 2, the bottom ends of the adjusting base pillars 16 are attached to the bottom plate 1, adjusting blind holes 10 are vertically and downwardly formed in the top ends of the adjusting base pillars 16, an adjusting slide rod 9 is connected in the adjusting blind hole 10 in a sliding manner, a locking screw hole is horizontally formed in the outer wall of the adjusting foundation column 16 and communicated with the adjusting blind hole 10, a locking screw 17 is screwed in the locking screw hole, the adjusting slide rod 9 is locked by the locking screw 17, a semicircular adjusting fork seat 7 is fixedly connected to the top end of the adjusting slide rod 9, and the air duct 4 is placed in the adjusting fork seat 7; a limiting blind hole 12 is vertically and upwards formed in the bottom end of the adjusting slide rod 9, a limiting spring 13 and a positioning ball 14 are sequentially mounted from the hole bottom to the hole opening of the limiting blind hole 12, a circular arc-shaped track groove 15 matched with the positioning ball 14 is formed in the bottom plate 1, the track groove 15 takes the axis of the adjusting base column 16 as the center, the positioning ball 14 rolls in the track groove 15, and a plurality of positioning pits 6 matched with the positioning ball 14 are formed in the track groove 15; the locking surface of the locking screw 17 is provided with an anti-skid spine; the surface of the positioning ball 14 is coated with a wear-resistant coating; the section of the adjusting fork seat 7 is circular.

The working principle is as follows: during operation, the height and the longitudinal angle can be adjusted by adjusting the telescopic amount of the adjusting slide rods 9 (the two adjusting slide rods 9 are different in telescopic amount), the transverse angle can be adjusted by rolling the positioning balls 14 on the track grooves 15, and the positioning pits 6 can realize the positioning function.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a colliery is air ducting of multi freedom in pit, its includes dryer (4) that the level set up install air guide vane (5) and drive arrangement in dryer (4), its characterized in that: a disc base (2) is arranged under the air duct (4), the disc base (2) is fixedly installed on a base plate (1), a damping blind hole (3) is vertically formed downwards in the disc base (2), a damping spring (11) is vertically installed at the bottom of the damping blind hole (3), the damping blind hole (3) is in sliding connection with a damping slide rod (8), the bottom end of the damping slide rod (8) is in contact with the damping spring (11), the top end of the damping slide rod (8) is hinged with the air duct (4), adjusting base columns (16) are vertically arranged at the two side positions of the disc base (2), the bottom end of each adjusting base column (16) is attached to the base plate (1), an adjusting blind hole (10) is vertically formed downwards in the top end of each adjusting base column (16), an adjusting slide rod (9) is connected in the adjusting blind hole (10) in a sliding mode, the adjusting device is characterized in that a locking screw hole is horizontally formed in the outer wall of the adjusting base column (16), the locking screw hole is communicated with the adjusting blind hole (10), a locking screw (17) is screwed in the locking screw hole, the adjusting slide rod (9) is locked by the locking screw (17), a semicircular adjusting fork seat (7) is fixedly connected to the top end of the adjusting slide rod (9), and the air duct (4) is placed in the adjusting fork seat (7).

2. The coal mine underground multi-degree-of-freedom air guide device as claimed in claim 1, wherein: the bottom of adjusting slide bar (9) is vertical ascending has seted up spacing blind hole (12) spacing spring (13) and location ball (14) are installed in proper order to the drill way to the hole bottom of spacing blind hole (12) set up on bottom plate (1) with convex track groove (15) of location ball (14) assorted, track groove (15) with the axis of adjusting foundation column (16) is the center, location ball (14) are in roll in track groove (15) set up on track groove (15) a plurality of with location ball (14) assorted positioning hole (6).

3. The coal mine underground multi-degree-of-freedom air guide device as claimed in claim 1, wherein: the locking surface of the locking screw (17) is provided with an anti-skid spine.

4. The coal mine underground multi-degree-of-freedom air guide device as claimed in claim 2, wherein: the surface of the positioning ball (14) is coated with a wear-resistant coating.

5. The coal mine underground multi-degree-of-freedom air guide device as claimed in claim 1, wherein: the section of the adjusting fork seat (7) is circular.

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