Mine ventilation safety equipment

Through the coordination of the turntable assembly and the rotating seat, the fixation of the toothed rod and the toothed teeth, and the design of the feet and base, the complex problem of fan direction adjustment in the mine environment is solved, and the flexibility and safety of the fan are improved.

CN223270225UActive Publication Date: 2025-08-26TONGMEI DATANG TASHAN COAL MINE CO LTD
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Patent Information

Application Number
CN202422768275.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-08-26
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

The existing mine ventilation safety equipment is complex and inflexible in adjusting the fan direction in the mine environment, and the large fan weight makes it difficult to lift.

Method used

The combination of the turntable assembly and the rotating seat is adopted. By fixing the toothed rod and the toothed, combined with the design of the support feet and the base, the fan direction is flexibly adjusted and stable fixated, and a protective net is equipped to prevent debris from being involved.

Benefits of technology

It improves the flexibility and safety of the equipment in the mine environment, simplifies the fan direction adjustment process, saves workers' physical strength, and enhances the stability and safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses mine ventilation safety equipment, which relates to the technical field of mine ventilation safety equipment, and comprises a base, four corners of the bottom surface of the base are fixedly connected with supporting legs, four corners of the top surface of the base are fixedly connected with supporting rods, the top ends of the supporting rods are fixedly connected with reinforcing rings, the reinforcing rings are internally provided with turntable assemblies, and the turntable assemblies are arranged right above the base. A rotating seat is arranged over the rotating disc assembly, handrails are fixedly connected to the middles of the two sides of the rotating seat, and a fan shell is fixedly connected to the rotating seat. According to the utility model, the turntable assembly is matched with the rotating seat, so that the function of adjusting the direction of equipment at any time is realized; through the cooperation of a latch rod and latches, the orientation of the fan is conveniently fixed, and the fan is prevented from rotating due to accidents; the supporting legs are matched with the base, so that the device can be conveniently placed in a complex mine environment; through the cooperation of the protective net and the fan shell, sundries are prevented from being rolled in; according to the device, the flexibility of equipment is improved, and the physical strength of workers is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mine ventilation safety equipment, in particular to a mine ventilation safety equipment. Background Art

[0002] Mine ventilation safety equipment is specially designed according to the needs of various non-coal mines such as metallurgy, nonferrous metals, gold, chemicals, building materials and nuclear industries. It can be used as the main fan or auxiliary fan, and can be installed on the surface or underground. It is suitable for the joint operation of multiple fans. It is an ideal station fan for all levels of the multi-fan series-parallel multi-stage station ventilation system. It is also suitable for ventilation in large workshops, tunnels, civil air defense projects and other occasions. Its structure is generally composed of motor, impeller, air duct, blower base and other parts. However, due to the complex and changeable operating environment of mines, the direction of the fan often needs to be adjusted. Due to the heavy weight of the fan itself, the machine needs to be re-lifted and placed, and the operation process is extremely cumbersome and complicated. Therefore, the above problems need to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a mine ventilation safety device.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a mine ventilation safety device, comprising a base, wherein the four corners of the bottom surface of the base are fixed with supporting feet, and the four corners of the top surface of the base are fixed with support rods, the top of the support rod is fixed with a reinforcement ring, a turntable assembly is provided inside the reinforcement ring, the turntable assembly is placed directly above the base, and a rotating seat is provided directly above the turntable assembly, handrails are fixed to the middle of both sides of the rotating seat, and a fan casing is fixed to the rotating seat.

[0005] Preferably, the front and rear ends of the reinforcement ring are provided with threaded holes, a gear rod is provided in the threaded hole, the distal ends of the two gear rods are fixedly connected to a handwheel, the outer side of the gear rod is threaded, and the reinforcement ring is threadedly connected to the gear rod.

[0006] Preferably, the proximal ends of the two latching gear rods are fixedly connected to the conical heads.

[0007] Preferably, a circle of latching teeth is fixed to the bottom end of the rotating seat, and the latching teeth and the reinforcement ring are at the same horizontal position.

[0008] Preferably, the turntable assembly includes a lower outer ring arranged below the inside of the reinforcement ring, the lower outer ring is installed in the middle of the top surface of the base, and an inner ring is provided above the lower outer ring, and rolling grooves are provided on the top surface and the outer side of the bottom surface of the inner ring, and several balls are arranged at equal distances in the rolling grooves, and isolation blocks are provided between the several balls, and the inner ring is rotatably connected to the lower outer ring.

[0009] Preferably, an upper outer ring is provided above the inner ring, the upper outer ring is rotatably connected to the inner ring, and the upper outer ring is installed in the middle of the bottom surface of the rotating seat.

[0010] Preferably, protective nets are installed on the inner walls of the front and rear ends of the fan housing, and a mounting seat is fixedly connected to the middle of the bottom surface of the inner wall of the fan housing, and a special motor is installed in the middle of the top surface of the mounting seat. The output shaft of the special motor is coaxial with the fan housing, and fan blades are installed at the front end of the output shaft of the special motor.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: in the present invention, the function of adjusting the direction of the equipment at any time is realized through the cooperation between the turntable assembly and the rotating seat; the cooperation between the latch rod and the latch gear facilitates the fixing of the direction of the fan to prevent the fan from rotating due to accidents; the cooperation between the support legs and the base facilitates placement in the complex environment of the mine; the cooperation between the protective net and the fan casing prevents debris from being drawn in, thereby improving safety; the device improves the flexibility of the equipment and saves workers' physical strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the top-view cross-sectional three-dimensional structure of the rotating seat proposed in the utility model;

[0015] Figure 3 This is a partial exploded diagram of the turntable proposed in the present invention;

[0016] Figure 4 This is a schematic diagram of the overall side sectional three-dimensional structure proposed by the utility model.

[0017] Serial numbers in the figure: 1. Base; 2. Support rod; 3. Reinforcement ring; 4. Rotating seat; 5. Handrail; 6. Fan casing; 7. Gear rod; 8. Handwheel; 9. Gear; 10. Lower outer ring; 11. Inner ring; 12. Ball; 13. Isolation block; 14. Upper outer ring; 15. Protective net; 16. Mounting seat; 17. Special motor; 18. Fan blades. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Example: See Figure 1-4 The utility model is a mine ventilation safety device, comprising a base 1, the four corners of the bottom surface of the base 1 are fixed with supporting feet, which can be placed stably in the complex environment of the mine through the supporting feet; and the four corners of the top surface of the base 1 are fixed with support rods 2, and the top of the support rods 2 is fixed with a reinforcement ring 3, which increases the stability of the device; a turntable assembly is provided inside the reinforcement ring 3, and the turntable assembly is placed just above the base 1, and the device can be turned through the turntable assembly; and a rotating seat 4 is provided just above the turntable assembly, and handrails 5 are fixed in the middle of both sides of the rotating seat 4, which can be easily rotated through the handrails 5 Equipment; and the fan casing 6 is fixedly connected to the rotating seat 4, and threaded holes are opened at the front and rear ends of the reinforcement ring 3, and a gear rod 7 is provided in the threaded hole, which is convenient for clamping the equipment and fixing the direction through the gear rod 7; the two gear rods 7 are fixed with a hand wheel 8 at the far end, and the gear rod 7 is convenient for rotating the hand wheel 8; and the outer side of the gear rod 7 is threaded, and the reinforcement ring 3 is threadedly connected to the gear rod 7, and the proximal ends of the two gear rods 7 are fixed with a conical head, which is convenient for clamping the gear 9 through the conical head; a circle of gears 9 is fixed to the bottom end of the rotating seat 4, and the gears 9 and the reinforcement ring 3 are at the same horizontal position.

[0020] In the present invention, the turntable assembly includes a lower outer ring 10 provided at the lower inside of the reinforcement ring 3, which is convenient for connecting to the base 1 through the lower outer ring 10; the lower outer ring 10 is installed in the middle of the top surface of the base 1, and an inner ring 11 is provided above the lower outer ring 10, and the inner ring 11 is convenient for placing balls 12; rolling grooves are opened on the top surface and the outer side of the bottom surface of the inner ring 11, and a number of balls 12 are equidistantly provided in the rolling grooves, and isolation blocks 13 are provided between the several balls 12, and the rotation of the turntable assembly is facilitated by the balls 12; and the inner ring 11 is rotatably connected to the lower outer ring 10, and an upper outer ring 14 is provided above the inner ring 11, which is convenient for rotating with the rotating seat 4 through the upper outer ring 14. Installation; the upper outer ring 14 is rotatably connected to the inner ring 11, and the upper outer ring 14 is installed in the middle of the bottom surface of the rotating seat 4, and the inner walls of the front and rear ends of the fan casing 6 are installed with a protective net 15, which prevents foreign objects from being drawn in; and a mounting seat 16 is fixedly connected to the middle of the bottom surface of the inner wall of the fan casing 6, and the mounting seat 16 is used to facilitate the installation of a special motor 17; a special motor 17 is installed in the middle of the top surface of the mounting seat 16, and the special motor 17 is used to provide power to the fan blades 18; the output shaft of the special motor 17 is coaxial with the fan casing 6, and the front end of the output shaft of the special motor 17 is installed with fan blades 18, and wind power is generated by the fan blades 18.

[0021] Working principle: When using the present utility model, first place the device in the desired position, then turn the front and rear end hand wheels 8 of the device to make the front and rear end gear rods 7 turn out from the threaded holes, and the conical heads leave the gears 9. At this time, the turntable assembly can rotate freely, then hold the handrail 5, rotate the upper part of the device, adjust it to the desired direction, and then turn the front and rear end hand wheels 8 of the device in the opposite direction to make the front and rear end gear rods 7 turn in from the threaded holes, and the conical heads tightly clamp the gears 9. At this time, the turntable assembly is fixed, and then the power is turned on, and the dedicated motor 17 starts to run to drive the fan blades 18 to generate wind.

[0022] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mine ventilation safety device, comprising a base (1), characterized in that: The four corners of the bottom surface of the base (1) are fixed with supporting feet, and the four corners of the top surface of the base (1) are fixed with support rods (2), the top of the support rod (2) is fixed with a reinforcement ring (3), a turntable assembly is provided inside the reinforcement ring (3), the turntable assembly is placed directly above the base (1), and a rotating seat (4) is provided directly above the turntable assembly, handrails (5) are fixed to the middle of both sides of the rotating seat (4), and a fan housing (6) is fixed to the rotating seat (4).

2. A mine ventilation safety device according to claim 1, characterized in that: The reinforcing ring (3) has threaded holes at both the front and rear ends, and a toothed rod (7) is provided in the threaded hole. The distal ends of the two toothed rods (7) are fixedly connected to a hand wheel (8), and the outer sides of the toothed rods (7) are threaded, and the reinforcing ring (3) is threadedly connected to the toothed rods (7).

3. A mine ventilation safety device according to claim 2, characterized in that: The proximal ends of the two latching tooth rods (7) are fixedly connected to the conical heads.

4. The mine ventilation safety device according to claim 1, characterized in that: A circle of latching teeth (9) is fixedly connected to the bottom end of the rotating seat (4), and the latching teeth (9) and the reinforcement ring (3) are at the same horizontal position.

5. The mine ventilation safety device according to claim 1, characterized in that: The turntable assembly includes a lower outer ring (10) arranged below the inner portion of the reinforcement ring (3), the lower outer ring (10) is mounted on the middle portion of the top surface of the base (1), and an inner ring (11) is provided above the lower outer ring (10), and rolling grooves are provided on the outer sides of the top and bottom surfaces of the inner ring (11), and a plurality of balls (12) are arranged at equal intervals in the rolling grooves, and isolation blocks (13) are provided between the plurality of balls (12), and the inner ring (11) is rotatably connected to the lower outer ring (10).

6. The mine ventilation safety device according to claim 5, characterized in that: An upper outer ring (14) is provided above the inner ring (11), the upper outer ring (14) is rotatably connected to the inner ring (11), and the upper outer ring (14) is installed in the middle of the bottom surface of the rotating seat (4).

7. The mine ventilation safety device according to claim 1, characterized in that: A protective net (15) is installed on the inner walls of the front and rear ends of the fan housing (6), and a mounting seat (16) is fixedly connected to the middle of the bottom surface of the inner wall of the fan housing (6). A special motor (17) is installed in the middle of the top surface of the mounting seat (16). The output shaft of the special motor (17) is coaxial with the fan housing (6), and a fan blade (18) is installed at the front end of the output shaft of the special motor (17).