CN213298380U

CN213298380U - Air quantity adjusting device of coal mine ventilator

Info

Publication number: CN213298380U
Application number: CN202022205033.3U
Authority: CN
Inventors: 马永元; 付占国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-28
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a local fan field for the colliery, more specifically the colliery ventilation blower air volume adjusting device that says so, including slewing mechanism and support frame, the utility model discloses can the flabellum can rotate different angle modulation amount of wind according to the distance of screw thread post back-and-forth movement, easy and simple to handle, technical cost is low, simple structure. The support frame includes the shell, the fixed plate, the flabellum, arc wall II, traveller and arc piece, the angle such as shell front end and rear end is provided with a plurality of connecting holes, two confinement rings laminate with fixed plate front end and rear end respectively, shell rear end fixedly connected with fixed plate, hollow post rear end rotates and connects on the fixed plate, the angle is provided with a plurality of arc walls II on the shell, be provided with a plurality of flabellums on the shell, the equal fixedly connected with arc piece in every flabellum upper end, arc piece and the cooperation of arc wall II, the equal fixedly connected with traveller of every flabellum lower extreme, a plurality of travelers are sliding connection respectively in a plurality of arc walls I, the equal fixed connection of a plurality of travelers is at the push pedal front end.

Description

Air quantity adjusting device of coal mine ventilator

Technical Field

The utility model relates to a local fan field for the colliery, more specifically the colliery ventilation blower air volume adjusting device that says so.

Background

The utility model discloses a utility model with publication number CN201723239U discloses a local fan air volume adjusting device. The utility model provides a current ventilation blower amount of wind control technique with high costs, difficult operation, easily to colliery gas monitored control system produce disturb and easily cause adverse effect's problem to the ventilation blower. The local ventilator air volume adjusting device comprises a cylinder body, a pair of guide grooves and an air volume adjusting plate, wherein one end of the cylinder body is provided with a square opening, the pair of guide grooves are respectively fixed at the edges of the left side and the right side of the square opening, and the air volume adjusting plate is embedded in the guide grooves; a cam pressing mechanism is arranged above the air quantity adjusting plate; the cam pressing mechanism comprises a cross rod, a rotating shaft and a cam supported on the cross rod through the rotating shaft. The utility model discloses effectively solved current ventilation blower amount of wind control technology with high costs, difficult operation, easily to colliery gas monitored control system produce disturb and easily cause adverse effect's problem to the ventilation blower, be applicable to colliery local fan's amount of wind control in the pit. However, the fan blade of the patent can not adjust the air volume according to different rotating angles and has a complex structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a colliery ventilation blower air volume adjusting device, its beneficial effect can rotate different angle modulation amount of wind for the flabellum, and is easy and simple to handle, and technical cost is low, simple structure.

The utility model relates to a local fan field for the colliery, more specifically the colliery ventilation blower air volume adjusting device that says so, including slewing mechanism and support frame, the utility model discloses can the flabellum can rotate different angle modulation amount of wind according to the distance of screw thread post back-and-forth movement, easy and simple to handle, technical cost is low, simple structure.

The rear end of the rotating mechanism is rotatably connected to the rear end of the support frame.

Slewing mechanism includes hollow post, arc wall I, screw thread post, dwang, restrictor ring, push pedal and spring, and the first-class angle of hollow post is provided with a plurality of arc walls I, and screw thread post threaded connection is in hollow post, screw thread post right-hand member fixedly connected with dwang, and the dwang rear end is provided with the screw hole, and two restrictor ring fixed connection are on hollow post, the rear end fixedly connected with spring in the hollow post, spring front end fixedly connected with push pedal.

The support frame includes the shell, the fixed plate, the flabellum, arc wall II, traveller and arc piece, the angle such as shell front end and rear end is provided with a plurality of connecting holes, two confinement rings laminate with fixed plate front end and rear end respectively, shell rear end fixedly connected with fixed plate, hollow post rear end rotates and connects on the fixed plate, the angle is provided with a plurality of arc walls II on the shell, be provided with a plurality of flabellums on the shell, the equal fixedly connected with arc piece in every flabellum upper end, arc piece and the cooperation of arc wall II, the equal fixedly connected with traveller of every flabellum lower extreme, a plurality of travelers are sliding connection respectively in a plurality of arc walls I, the equal fixed connection of a plurality of travelers is at the push pedal front end.

The arc-shaped groove I is the same as the arc-shaped groove II.

The distance from the centers of the plurality of connecting holes on the shell and the threaded holes on the rotating rod to the axis of the hollow column is equal.

The utility model discloses colliery ventilation blower air regulation device's beneficial effect does:

the utility model discloses colliery ventilation blower air regulation device, the utility model discloses can flabellum 2-3 can be according to the distance rotation different angle modulation amount of wind of screw post 1-3 back-and-forth movement, easy and simple to handle, technical cost is low, simple structure.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of the air volume adjusting device of the coal mine ventilator of the utility model;

FIG. 2 is a schematic structural view of a rotating mechanism;

FIG. 3 is a schematic view of a half cross-sectional structure of a hollow column;

FIG. 4 is a schematic structural view of the supporting frame;

FIG. 5 is a schematic view of a fan blade.

In the figure: a rotating mechanism 1; 1-1 of a hollow column; 1-2 of an arc-shaped groove; 1-3 of a threaded column; rotating the rods 1-4; 1-5 of a confinement ring; 1-6 parts of a push plate; 1-7 of a spring; a support frame 2; a housing 2-1; a fixing plate 2-2; 2-3 of fan blades; 2-4 of an arc-shaped groove; 2-5 of a sliding column; and 2-6 of arc-shaped blocks.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the following explains this embodiment with reference to fig. 1-5, the utility model relates to a local fan field for the coal mine, more specifically the colliery ventilation blower air volume adjusting device that says so, including slewing mechanism 1 and support frame 2, the utility model discloses can the flabellum 2-3 can rotate different angle regulation amount of wind according to the distance of screw post 1-3 back-and-forth movement, easy and simple to handle, technical cost is low, simple structure.

The rear end of the rotating mechanism 1 is rotatably connected to the rear end of the support frame 2.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1-5, the rotating mechanism 1 includes a hollow column 1-1, arc-shaped grooves i 1-2, threaded columns 1-3, rotating rods 1-4, limiting rings 1-5, push plates 1-6 and springs 1-7, the hollow column 1-1 is provided with a plurality of arc-shaped grooves i 1-2 at equal angles, the threaded columns 1-3 are connected in the hollow column 1-1 in a threaded manner, the right ends of the threaded columns 1-3 are fixedly connected with the rotating rods 1-4, the rear ends of the rotating rods 1-4 are provided with threaded holes, the two limiting rings 1-5 are fixedly connected to the hollow column 1-1, the rear ends in the hollow column 1-1 are fixedly connected with the springs 1-7, and the front ends of the springs 1-7 are fixedly connected with the push plates 1-. The rotating rod 1-4 is rotated clockwise, the rotating rod 1-4 drives the threaded column 1-3 to rotate in the hollow column 1-1, the rotating rod 1-4 can be connected with a threaded hole in the rotating rod 1-4 through a connecting hole in a threaded manner through a bolt to fix the threaded column 1-4, the threaded column 1-3 moves backwards to drive the plurality of sliding columns 2-5 to move backwards, the plurality of sliding columns 2-5 drive the push plate 1-6 to move backwards, the springs 1-7 are in a compressed state, the fan blades 2-3 can rotate at different angles according to the back-and-forth movement distance of the threaded column 1-3, and the two limiting rings 1-5 are used for preventing the hollow column 1-1 from being separated from the fixed plate.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1-5, the support frame 2 includes a housing 2-1, a fixing plate 2-2, fan blades 2-3, arc-shaped grooves ii 2-4, sliding columns 2-5 and arc-shaped blocks 2-6, the front end and the rear end of the housing 2-1 are equiangularly provided with a plurality of connecting holes, two limiting rings 1-5 are respectively attached to the front end and the rear end of the fixing plate 2-2, the rear end of the housing 2-1 is fixedly connected with the fixing plate 2-2, the rear end of the hollow column 1-1 is rotatably connected to the fixing plate 2-2, the housing 2-1 is equiangularly provided with a plurality of arc-shaped grooves ii 2-4, the housing 2-1 is provided with a plurality of fan blades 2-3, the upper end of each fan blade 2-3 is fixedly connected with an arc-shaped block 2-6, the arc-shaped blocks 2-, the lower end of each fan blade 2-3 is fixedly connected with a sliding column 2-5, the sliding columns 2-5 are respectively connected in the arc-shaped grooves I1-2 in a sliding mode, and the sliding columns 2-5 are fixedly connected to the front end of the push plate 1-6. When the threaded columns 1-3 move backwards, the rear ends of the threaded columns 1-3 push the sliding columns 2-5 to slide along the arc-shaped grooves I1-2 respectively, each sliding column 2-5 drives the corresponding fan blade 2-3 to move, and the fan blades 2-3 drive the arc-shaped blocks 2-6 to slide in the arc-shaped grooves II 2-4.

The fourth concrete implementation mode:

the present embodiment will be described with reference to FIGS. 1-5, wherein the arcuate slots I1-2 and II 2-4 are identical.

The fifth concrete implementation mode:

in the following, referring to fig. 1-5, the plurality of connection holes on the housing 2-1 and the threaded holes on the rotating rod 1-4 are located at the same distance from the axis of the hollow column 1-1.

The utility model discloses a theory of operation: the rotating rod 1-4 is rotated clockwise, the rotating rod 1-4 drives the threaded column 1-3 to rotate in the hollow column 1-1, the rotating rod 1-4 can be connected with a threaded hole in the rotating rod 1-4 through a connecting hole in a threaded manner through a bolt to fix the threaded column 1-4, the threaded column 1-3 moves backwards to drive the plurality of sliding columns 2-5 to move backwards, the plurality of sliding columns 2-5 drive the push plate 1-6 to move backwards, the springs 1-7 are in a compressed state, the fan blades 2-3 can rotate at different angles according to the back-and-forth movement distance of the threaded column 1-3, and the two limiting rings 1-5 are used for preventing the hollow column 1-1 from being separated from the fixed plate. When the threaded columns 1-3 move backwards, the rear ends of the threaded columns 1-3 push the sliding columns 2-5 to slide along the arc-shaped grooves I1-2 respectively, each sliding column 2-5 drives the corresponding fan blade 2-3 to move, and the fan blades 2-3 drive the arc-shaped blocks 2-6 to slide in the arc-shaped grooves II 2-4.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. Colliery ventilation machine air regulation device, including slewing mechanism (1) and support frame (2), its characterized in that: the rear end of the rotating mechanism (1) is rotatably connected with the rear end of the support frame (2);

the rotating mechanism (1) comprises a hollow column (1-1), an arc-shaped groove I (1-2), a threaded column (1-3), a rotating rod (1-4), a limiting ring (1-5), a push plate (1-6) and a spring (1-7), a plurality of arc-shaped grooves I (1-2) are arranged at equal angles on a hollow column (1-1), a threaded column (1-3) is in threaded connection with the inside of the hollow column (1-1), the right end of the threaded column (1-3) is fixedly connected with a rotating rod (1-4), the rear end of the rotating rod (1-4) is provided with a threaded hole, two limiting rings (1-5) are fixedly connected with the hollow column (1-1), the rear end inside the hollow column (1-1) is fixedly connected with a spring (1-7), and the front end of the spring (1-7) is fixedly connected with a push plate (1-6);

the support frame (2) comprises a shell (2-1), a fixed plate (2-2), fan blades (2-3), arc-shaped grooves II (2-4), sliding columns (2-5) and arc-shaped blocks (2-6), wherein a plurality of connecting holes are formed in the front end and the rear end of the shell (2-1) at equal angles, two limiting rings (1-5) are respectively attached to the front end and the rear end of the fixed plate (2-2), the fixed plate (2-2) is fixedly connected to the rear end of the shell (2-1), the rear end of a hollow column (1-1) is rotatably connected to the fixed plate (2-2), a plurality of arc-shaped grooves II (2-4) are formed in the shell (2-1) at equal angles, a plurality of fan blades (2-3) are arranged on the shell (2-1), and the arc-shaped blocks (2-6) are fixedly connected to the upper ends of the fan, the arc-shaped blocks (2-6) are matched with the arc-shaped grooves II (2-4), the lower end of each fan blade (2-3) is fixedly connected with a sliding column (2-5), the sliding columns (2-5) are respectively connected in the arc-shaped grooves I (1-2) in a sliding mode, and the sliding columns (2-5) are fixedly connected to the front ends of the push plates (1-6).

2. An air volume adjusting device of a coal mine ventilator according to claim 1, characterized in that: the arc-shaped groove I (1-2) is the same as the arc-shaped groove II (2-4).

3. An air volume adjusting device of a coal mine ventilator according to claim 2, characterized in that: the distance between the centers of the plurality of connecting holes on the shell (2-1) and the threaded holes on the rotating rod (1-4) and the axis of the hollow column (1-1) is equal.