Vertical shaft structure integrating air inlet and air outlet

By designing a vertical shaft structure that integrates air intake and exhaust, and using positioning and adjustment components to adjust the angle of the air intake pipe and the air volume, the problem of fixed air outlet and fixed air inlet position in mine ventilation shafts has been solved, achieving flexible ventilation adjustment and improving the ventilation effect of the mine.

CN223952636UActive Publication Date: 2026-02-27HUNAN LIANSHAO MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520834980.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-02-27
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

The size of the air outlet in a mine ventilation shaft is fixed and cannot be adjusted, which affects the air speed and ventilation efficiency. In addition, the position of the air inlet is fixed and cannot be freely adjusted, resulting in uneven ventilation in the mine.

Method used

Design a vertical shaft structure that integrates air intake and exhaust, including an air outlet and an air inlet, each equipped with a fan. The angle of the air inlet pipe and the air volume are adjusted by positioning and adjustment components to achieve independent airflow operation and flexible adjustment.

Benefits of technology

It improves the uniformity of air intake and the ability to adjust the air output, adapting to the ventilation needs of different mines and enhancing the underground ventilation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vertical shaft structure integrating air inlet and air outlet, which comprises a vertical shaft, an air outlet and an air inlet are respectively arranged in the vertical shaft, the air outlet is provided with an upper opening and a lower opening, and the air inlet is provided with an open top and a closed bottom. Fans used for exhausting air and feeding air are arranged in the air outlet and the air inlet correspondingly, the bottom of the air inlet communicates with a fixing pipe, an air inlet pipe is rotationally arranged in the fixing pipe, a positioning assembly used for fixing the air inlet pipe is arranged in the fixing pipe, and an adjusting assembly is arranged at the position, above the air outlet, in the vertical shaft; the adjusting assembly is used for adjusting the air outlet amount above the air outlet. The angle of the air inlet pipe can be adjusted, so that the angle of the air inlet pipe can be adjusted according to the underground space structure, the air inlet uniformity is improved, and the ventilation requirements of different mines are met by adjusting the air outlet quantity of the air outlet.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mine ventilation technical field, concretely is a kind of vertical shaft structure integrated with air intake, air outlet. BACKGROUND

[0002] Air shaft is the shaft of mine used for ventilation, and the shaft for entering fresh air is air intake shaft; the shaft for discharging dirty air is air outlet shaft. The number of air shafts set in each mine field is related to the ventilation system used and air shaft arrangement mode, and each ventilation system at least has one air intake shaft and one air outlet shaft. The air intake shaft can be cage shaft, inclined shaft for stringing car, ramp or main adit, and dedicated air intake shaft can also be used.

[0003] At present, the air outlet size of mine air shaft is fixed, and the air outlet size is almost impossible to adjust, and the air outlet size directly affects wind speed and ventilation efficiency: too large air outlet easily leads to airflow speed drop, reduces ventilation effect; too small air outlet increases wind speed, causes noise and may cause local airflow impact discomfort, cannot adapt to the ventilation requirements of different mines, and the position of air intake is also fixed, so the air intake is inconvenient to adjust air intake position at any time, so that the ventilation effect of some remote positions underground is not good enough, and the overall ventilation effect is affected. SUMMARY

[0004] The purpose of this section is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the present utility model.

[0005] In view of the above and / or problems existing in the prior art, the present utility model is proposed.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical scheme:

[0007] A vertical shaft structure integrated with air intake and air outlet, comprising a vertical shaft, an air outlet and an air intake are respectively formed in the vertical shaft, the air outlet is provided with an upper and lower opening, the air intake is provided with a top opening and a bottom closure, and a fan for exhausting air and air intake is respectively arranged in the air outlet and the air intake;

[0008] The bottom of the air intake is communicated with a fixed pipe, the fixed pipe is rotatably provided with an air intake pipe inside, and the fixed pipe is provided with a positioning assembly for fixing the air intake pipe inside;

[0009] An adjusting assembly is arranged above the air outlet in the vertical shaft, and the adjusting assembly is used for adjusting the air outlet above the air outlet.

[0010] Further, the positioning assembly comprises a fixed cylinder fixed outside the fixed pipe, and a pull rod is arranged in the fixed cylinder, and one end of the pull rod is fixedly connected with a moving plate.

[0011] Further, one side of the moving plate is fixedly connected with a pair of insertion rods, and a plurality of insertion holes matched with the insertion rods are formed in the outer side of the air inlet pipe in a circumferential direction.

[0012] Further, the adjusting assembly comprises a double-shaft motor arranged in the shaft, both ends of the double-shaft motor are fixedly connected with a lead screw, the lead screw is screwed with a moving block, one side of the moving block is fixedly connected with a sealing plate, and the outer side of the sealing plate is slidably connected with the inner wall of the shaft.

[0013] Further, the upper and lower openings of the air outlet are both provided with a first filter plate, and the upper opening of the air inlet is provided with a second filter plate.

[0014] Further, one side of the moving plate is fixedly connected with a spring, and one end of the pull rod is fixedly connected with a pull plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The air outlet and the air inlet are separated by the partition plate in the middle of the shaft, the air outlet and the air inlet are independently operated in a bidirectional airflow mode, the exhaust fan in the air outlet and the air inlet fan in the air inlet are installed on the two sides of the partition plate, the external air is introduced into the air inlet through the operation of the air inlet fan, and then is introduced into the underground through the fixed pipe at the bottom of the air inlet and the air inlet pipe, the angle of the air inlet pipe can be adjusted through the rotation of the air inlet pipe in the fixed pipe, so that the angle of the air inlet pipe can be adjusted according to the underground space structure, the air inlet uniformity is improved, the dirty air in the underground is discharged to the outside through the air outlet through the operation of the exhaust fan, the air outlet amount above the air outlet can be adjusted through the adjusting assembly, so that the air outlet amount of the air outlet is increased or decreased, and the ventilation demand of different mines is met.

[0017] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and the accompanying drawings.

[0018] The technical solutions of the present application will be further described in detail below with the help of the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the bottom of the shaft of the present application;

[0022] Figure 3 is a schematic diagram of the structure of the positioning assembly of the present application;

[0023] Figure 4 is a schematic diagram of the structure of the adjusting assembly of the present application.

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] 1, shaft; 2, air outlet; 3, air inlet; 4, fixed tube; 5, air inlet tube; 6, positioning assembly; 61, fixed cylinder; 62, pull rod; 63, moving plate; 64, plug rod; 65, plug hole; 7, adjusting assembly; 71, double-shaft motor; 72, lead screw; 73, moving block; 74, sealing plate; 8, first filter plate; 9, second filter plate; 10, spring; 11, pull plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0028] Secondly, the present application is described in detail in combination with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0029] Thirdly, the "one embodiment" or "embodiment" referred to herein is intended to mean a specific feature, structure, characteristic, or combination of features and characteristics described herein that is included in at least one implementation of the present application. The various appearances of "in one embodiment" or "in an embodiment" in the specification are not necessarily all referring to the same embodiment.

[0030] Please refer to Figures 1-4 As shown in the drawings, the utility model embodiment provides a vertical shaft structure of integrated air intake and air outlet, including vertical shaft 1, vertical shaft 1 is separately provided with air outlet 2 and air intake 3, air outlet 2 is set up as up and down open, air intake 3 is set up as top open, bottom closed, air outlet 2 and air intake 3 are separately provided with fan for air exhaust and air intake in the inside;

[0031] Air intake 3 bottom is communicated with fixed pipe 4, and fixed pipe 4 is rotatably provided with air intake pipe 5 in the inside, and fixed pipe 4 is provided with positioning assembly 6 for fixing air intake pipe 5 in the inside;

[0032] Adjusting assembly 7 is arranged in the inside of vertical shaft 1 above air outlet 2, and adjusting assembly 7 is used to adjust the air volume at the position above air outlet 2.

[0033] The middle part of vertical shaft 1 is separated into left and right air outlet 2 and air intake 3 by partition, realizes the independent operation of two-way airflow of air exhaust and air intake, and the air exhaust fan in air outlet 2 and the air intake fan in air intake 3 are installed on the both sides of the partition, the external air is made to enter through air intake 3 by the operation of air intake fan, and enters the underground through fixed pipe 4 and air intake pipe 5 at the bottom of air intake 3, the angle of air intake pipe 5 can be adjusted by the rotation of air intake pipe 5 in fixed pipe 4, so that the angle of air intake pipe 5 can be adjusted according to the underground space structure, the air intake uniformity is improved, the underground foul air is made to exhaust to the outside through air outlet 2 by the operation of air exhaust fan, and the air volume above air outlet 2 can be adjusted by adjusting assembly 7, so that the air volume of air outlet 2 increases or decreases, and the ventilation demand of different mines is met.

[0034] Preferably, positioning assembly 6 includes fixed cylinder 61 fixedly arranged on the outside of fixed pipe 4, pull rod 62 is inserted into the inside of fixed cylinder 61, and one end of pull rod 62 is fixedly connected with moving plate 63.

[0035] One side of moving plate 63 is fixedly connected with a pair of insertion rods 64, and a plurality of insertion holes 65 matched with insertion rods 64 are formed on the outside of air intake pipe 5 in the circumferential direction.

[0036] The moving plate 63 is driven to slide in the fixed cylinder 61 by the pull rod 62, the pull rod 62 drives the insertion rod 64 to separate from the insertion hole 65 when the moving plate 63 slides, the fixing of the air inlet pipe 5 is released, the air inlet pipe 5 is rotated and adjusted in the fixed pipe 4, the insertion rod 64 is reinserted into the insertion hole 65 outside the air inlet pipe 5 by pushing the pull rod 62 after the air inlet pipe 5 is rotated to the appropriate position, and thus the position of the air inlet pipe 5 is fixed.

[0037] Preferably, the adjusting assembly 7 comprises a double-shaft motor 71 arranged in the shaft 1, the double-shaft motor 71 is fixedly connected with lead screws 72 at both ends, the lead screws 72 are screwed with moving blocks 73, the moving blocks 73 are fixedly connected with the sealing plates 74 on one side, and the sealing plates 74 are slidably connected with the inner walls of the shaft 1 on the outer sides.

[0038] The moving blocks 73 drive the two sealing plates 74 to move towards each other or in opposite directions by rotating the lead screws 72 driven by the double-shaft motor 71, and thus the air outlet amount of the air outlet 2 is adjusted.

[0039] Preferably, the air outlet 2 is provided with the first filter plates 8 above and below the openings, and the air inlet 3 is provided with the second filter plates 9 above the opening.

[0040] The inside of the air outlet 2 and the air inlet 3 is filtered by the first filter plates 8 and the second filter plates 9, so that sundries and dust are prevented from entering the inside of the shaft 1.

[0041] Preferably, the moving plate 63 is fixedly connected with springs 10 on one side, and the pull rod 62 is fixedly connected with a pull plate 11 at one end.

[0042] The moving plate 63 has a certain elasticity by the springs 10, the springs 10 are extruded when the pull rod 62 is pulled by the pull plate 11, and the insertion rod 64 is inserted into the insertion hole 65 by the moving plate 63 after the pull plate 11 is released.

[0043] The working principle of the utility model is as follows: the air outlet 2 and the air inlet 3 on the left and right sides of the shaft 1 are separated by a partition plate in the middle, realizing the independent operation of the two-way airflow of the air outlet and the air inlet, the exhaust fan in the air outlet 2 and the air inlet fan in the air inlet 3 are installed on the two sides of the partition plate, the outside air enters through the air inlet 3 by the operation of the air inlet fan, and enters the underground through the fixed pipe 4 at the bottom of the air inlet 3 and the air inlet pipe 5, the angle of the air inlet pipe 5 can be adjusted by the rotation of the air inlet pipe 5 in the fixed pipe 4, so that the angle of the air inlet pipe 5 can be adjusted according to the underground space structure, the air inlet uniformity is improved, the underground dirty air is discharged to the outside through the air outlet 2 by the operation of the exhaust fan, the rotation of the lead screw 72 driven by the double-shaft motor 71 drives the moving blocks 73 to drive the two sealing plates 74 to move towards each other or in opposite directions, and thus the air outlet amount of the air outlet 2 is adjusted, the air outlet amount of the air outlet 2 is increased or decreased, and the ventilation demand of different mines is met.

[0044] It is to be understood that the development of the particular implementations described herein was not determined merely by the availability of certain items or materials. Rather and more generally, specific implementations can be determined, for example, based on the particular requirements of the instrument or system to which that implementation relates. For example, a specific implementation of a reagent or kit can be determined based on the number of assays or assays types that are to be performed by the instrument or system that implementation relates to.

[0045] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A vertical shaft structure integrating air intake and air outlet, characterized in that, The utility model relates to a vertical shaft air supply and air intake device, including vertical shaft (1), the air outlet (2) and air intake (3) are set up in the vertical shaft (1) respectively, the air outlet (2) is set up as open upward and downward, the air intake (3) is set up as open at top and close at bottom, the air outlet (2) and air intake (3) are set up respectively in the inside for the fan of air exhaust and air intake, The bottom of air intake (3) is connected with fixed pipe (4), the fixed pipe (4) is rotatably provided with air intake pipe (5) inside, the fixed pipe (4) is provided with the positioning assembly (6) for fixing air intake pipe (5) inside, The vertical shaft (1) is provided with adjusting assembly (7) above the air outlet (2) inside, and the adjusting assembly (7) is used for adjusting the air volume at the air outlet (2) above.

2. The vertical shaft structure integrating air intake and air outlet according to claim 1, characterized in that: The positioning assembly (6) includes a fixed cylinder (61) fixed to the outside of the fixed pipe (4), a pull rod (62) is inserted into the fixed cylinder (61), and one end of the pull rod (62) is fixedly connected with a moving plate (63).

3. The vertical shaft structure integrating air intake and air outlet according to claim 2, characterized in that: One side of the moving plate (63) is fixedly connected with a pair of insertion rods (64), and a plurality of insertion holes (65) are formed on the outer side of the air intake pipe (5) in the circumferential direction.

4. The vertical shaft structure integrating air intake and air outlet according to claim 1, characterized in that: The adjusting assembly (7) includes a double-shaft motor (71) arranged inside the vertical shaft (1), both ends of the double-shaft motor (71) are fixedly connected with a lead screw (72), the lead screw (72) is screwed with a moving block (73), one side of the moving block (73) is fixedly connected with a sealing plate (74), and the outer side of the sealing plate (74) is slidably connected with the inner wall of the vertical shaft (1).

5. The vertical shaft structure integrating air intake and air outlet according to claim 1, characterized in that: The air outlet (2) is provided with a first filter plate (8) at the open top and bottom, and the air intake (3) is provided with a second filter plate (9) above the open top.

6. The vertical shaft structure integrating air intake and air outlet according to claim 2, characterized in that: One side of the moving plate (63) is fixedly connected with a spring (10), and one end of the pull rod (62) is fixedly connected with a pull plate (11).