Multifunctional adjustable device for mining air duct
By designing a multi-functional adjustable device for mining air ducts, the air duct splicing is achieved by using the combination of fixed blocks, slots, tie rods and springs, and the height adjustment is achieved by using the combination of telescopic rods and threaded rods, which solves the problem of unadjustable length and height of the air ducts and improves the applicability of the equipment.
Patent Information
- Application Number
- CN202422673690.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing mining air ducts cannot adjust their length according to the mine depth and cannot support mining air ducts of different heights.
A multi-functional adjustable device for mining air duct is designed to achieve the splicing of the air duct by the combination of fixed blocks, slots, pull rods, springs, limit blocks and handles, and the height adjustment of the air duct is achieved through the combination of telescopic rods, bidirectional threaded rods, worms and worm gears.
It realizes flexible adjustment of the length and height of the air barrel, adapts to different mine depth and height requirements, and improves the applicability and safety of the equipment.
Smart Images

Figure CN223203091U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine air ducts, in particular to a multifunctional adjustable device for a mine air duct. Background Art
[0002] Mine air ducts are used for mine ventilation. Typically constructed from wear-resistant materials, they are designed to effectively deliver fresh air or remove harmful gases. Their design and materials are engineered to withstand harsh environments like high temperatures and humidity, making them widely used in underground workplaces such as coal and metal mines.
[0003] The prior art has the following defects or problems: The prior art has the publication number: CN219795309U, which discloses an energy-saving air duct for mining, comprising a box body, a fan box fixedly installed on the left side of the inner cavity of the box body, a fan bracket fixedly connected to the inner cavity of the fan box, a fan mounting shaft fixedly connected to the inner side of the fan bracket, a fan body movably connected to the surface of the fan mounting shaft, a filter plate fixedly installed on the right side of the inner cavity of the box body, and a filter screen fixedly connected to the inner cavity of the filter plate. This energy-saving air duct for mining facilitates the replacement of the fan box by virtue of the quick installation and removal of the fan box. When the fan box is damaged, it can be replaced in time, thereby improving the working quality of the device. The multi-section box connection setting allows for the installation of multiple fan boxes, which can be used as an emergency, thereby ensuring the working quality of the device. The filter screen isolates the gravel in the mine, protects the internal components of the device, and improves the safety of the device.
[0004] During use, the above-mentioned equipment facilitates the replacement of the fan box through the quick installation and removal setting of the fan box. When the fan box is damaged, it can be replaced in time, thereby improving the working quality of the device. It is impossible to splice multiple mine air ducts together, and the length of the mine air duct cannot be adjusted according to the depth of the mine.
[0005] It should be noted that the above content belongs to the technical knowledge of the inventor and does not necessarily constitute prior art. Utility Model Content
[0006] In view of the deficiencies in the prior art, the utility model provides a multifunctional adjustable device for a mine air duct, which solves the existing problems.
[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional adjustable device for a mine wind duct, comprising a mine wind duct body, a fixed block fixedly connected to the left side of the mine wind duct body, a splicing assembly provided on the right side of the mine wind duct body, the splicing assembly comprising a plurality of clamping blocks, a plurality of the clamping blocks being slidably connected to the right side, a plurality of the clamping blocks being fixedly connected to a pull rod at a section away from the center of the mine wind duct body, a plurality of the pull rods being sleeved with springs on the periphery, a plurality of evenly distributed clamping grooves being provided on the periphery of the fixed block, a support seat being fixedly connected to the bottom of the mine wind duct body, and a support assembly being provided at the bottom of the support seat.
[0008] As an optimal technical solution of the present invention, the support assembly includes multiple telescopic rods, multiple telescopic rods are fixedly connected to the bottom of the support seat, multiple telescopic rods are fixedly connected to the base at the bottom, the support seat is slidably connected to multiple sliders 1, multiple sliders 1 are rotatably connected to connecting rods at the bottom, multiple connecting rods are rotatably connected to sliders 2 at the bottom, and multiple sliders 2 are slidably connected to the top of the base.
[0009] As an optimal technical solution of the present invention, the top of the base is slidably connected to two connecting blocks, multiple sliders are respectively fixedly connected to the two ends of the two connecting blocks, and the two connecting blocks are internally threaded with bidirectional threaded rods.
[0010] As a preferred technical solution of the present invention, a plurality of evenly distributed limiting grooves are provided on the right side of the mining wind duct body, and a plurality of the pull rods are respectively slidably connected inside the plurality of limiting grooves.
[0011] As a preferred technical solution of the present invention, one end of each of the pull rods away from the clamping block is fixedly connected to a limiting block, and the other end of each of the limiting blocks is fixedly connected to a handle.
[0012] As a preferred technical solution of the present invention, two fixing brackets are fixedly connected to the top of the base, and the two fixing brackets are both rotatably connected to the outer periphery of the bidirectional threaded rod.
[0013] As an optimal technical solution of the present invention, two support frames are fixedly connected to the top of the base, a worm is rotatably connected in the middle of the two support frames, one end of the bidirectional threaded rod is fixedly connected to a worm wheel, the worm wheel and the worm are engaged with each other, and the rear end of the worm is fixedly connected to a handle.
[0014] Compared with the prior art, the present invention provides a multifunctional adjustable device for a mine air duct, which has the following beneficial effects:
[0015] 1. This multifunctional adjustable device for a mining wind duct, through the cooperation among the fixing block, the card slot, the limit slot, the card block, the pull rod, the spring, the limit block, and the handle, can first pull the handle so that the card block is pulled into the limit slot through the pull rod, and then the fixing block of another mining wind duct body is installed on the mining wind duct body, and then the force on the pull rod is released so that the two mining wind duct bodies are fixed together, thereby completing the splicing. By splicing multiple mining wind ducts together, the length of the mining wind duct can be adjusted according to the depth of the mine;
[0016] 2. This multifunctional adjustable device for a mining air duct can rotate the handle through the mutual cooperation between the telescopic rod, base, slider one, connecting rod, slider two, connecting block, two-way threaded rod, fixed frame, worm gear, support frame, worm, and handle. The rotation is transmitted to the two-way threaded rod through the worm gear, thereby driving the two connecting blocks on the two-way threaded rod to move, thereby changing the inclination angle of the connecting rod, and can support mining air duct bodies of different heights, thereby improving the applicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic structural diagram of the main body of the mine air duct in the utility model;
[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0020] Figure 4 This is a schematic structural diagram of the base in the present utility model;
[0021] Figure 5 It is a structural schematic diagram of the bidirectional threaded rod in the utility model.
[0022] In the figure: 1. Mining air duct body; 2. Fixing block; 3. Slot; 4. Limiting slot; 5. Block; 6. Pull rod; 7. Spring; 8. Limiting block; 9. Handle; 10. Support seat; 11. Telescopic rod; 12. Base; 13. Slider 1; 14. Connecting rod; 15. Slider 2; 16. Connecting block; 17. Bidirectional threaded rod; 18. Fixing frame; 19. Worm gear; 20. Support frame; 21. Worm; 22. Handle. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figure 1 - Figure 3 , In this embodiment: A multifunctional adjustable device for a mine wind duct, comprising a mine wind duct body 1, a fixed block 2 is fixedly connected to the left side of the mine wind duct body 1, and a splicing assembly is provided on the right side of the mine wind duct body 1, the splicing assembly includes multiple blocks 5, and multiple blocks 5 are slidably connected to the right side of the mine wind duct body 1, multiple blocks 5 are fixedly connected to a pull rod 6 away from the center of the mine wind duct body 1, and multiple pull rods 6 are sleeved with springs 7 on the periphery. A plurality of evenly distributed slots 3 are provided on the periphery of the fixed block 2, a support seat 10 is fixedly connected to the bottom of the mine wind duct body 1, and a support assembly is provided at the bottom of the support seat 10, and a plurality of evenly distributed limiting slots 4 are provided on the right side of the mine wind duct body 1, and multiple pull rods 6 are respectively slidably connected to the inside of the multiple limiting slots 4, and one end of the multiple pull rods 6 away from the block 5 is fixedly connected to the limiting block 8, and the other end of the multiple limiting blocks 8 is fixedly connected to a handle 9.
[0025] Specifically, a fixed block 2 is provided on the left side of the mining wind duct body 1, and the fixed block 2 is a support member connecting the two mining wind duct bodies 1. A clamping block 5 is provided on the right side of the mining wind duct body 1, which is used to clamp the clamping block 5 into the clamping slot 3 on the fixed block 2 of the other mining wind duct body 1, thereby fixing the two mining wind duct bodies 1 together. A limiting groove 4 is provided on the right side of the mining wind duct body 1, which is used to provide moving space for the clamping block 5 and the pull rod 6. The pull rod 6 is provided on the clamping block 5, which is used to pull the clamping block 5 out of the clamping slot 3, thereby making the other mining wind duct body 1 lose its constraint. A spring 7 is provided on the periphery of the pull rod 6 for resetting the movement of the clamping block 5. A limiting block 8 is provided on the pull rod 6 for preventing the spring 7 from resetting the clamping block 5 too far. A handle 9 is provided on the limiting block 8 for the operator to better pull the pull rod 6. A support seat 10 is provided at the bottom of the mining wind duct body 1 for supporting the mining wind duct body 1.
[0026] See also Figure 4 - Figure 5In this embodiment, the support assembly includes multiple telescopic rods 11, multiple telescopic rods 11 are fixedly connected to the bottom of the support seat 10, multiple telescopic rods 11 are fixedly connected to the base 12 at the bottom, multiple sliders 13 are slidably connected to the bottom of the support seat 10, multiple sliders 13 are rotatably connected to the bottom of the connecting rod 14, multiple connecting rods 14 are rotatably connected to sliders 2 15, multiple sliders 2 15 are slidably connected to the top of the base 12, the top of the base 12 is slidably connected to two connecting blocks 16, multiple sliders 2 15 are respectively fixedly connected to the two ends of the two connecting blocks 16, the two connecting blocks 16 are internally threaded with bidirectional threaded rods 17, the top of the base 12 is fixedly connected to two fixing frames 18, the two fixing frames 18 are rotatably connected to the outer periphery of the bidirectional threaded rod 17, the top of the base 12 is fixedly connected to two supporting frames 20, the middle parts of the two supporting frames 20 are rotatably connected to a worm 21, one end of the bidirectional threaded rod 17 is fixedly connected to a worm gear 19, the worm gear 19 and the worm 21 are meshed with each other, and the rear end of the worm 21 is fixedly connected to a hand 22.
[0027] Specifically, a plurality of telescopic rods 11 are provided at the bottom of the support base 10 for supporting the support base 10. A base 12 is fixed to the bottom of the telescopic rod 11 for supporting the ground. A slider 13 is slid at the bottom of the support base 10 for supporting a connecting rod 14. The connecting rod 14 is used to connect the slider 13 and the slider 2 15. The slider 2 15 slides on the base 12 for supporting the connecting rod 14 so that the inclination angle of the connecting rod 14 changes the distance between the support base 10 and the base 12. Two connecting blocks 16 are provided at the top of the base 12 for connecting the sliders on both sides. Block 2 15 moves, and a bidirectional threaded rod 17 is provided inside the two connecting blocks 16, so that the two connecting blocks 16 move in opposite directions. A fixing frame 18 is provided on the bidirectional threaded rod 17 to support the rotation of the bidirectional threaded rod 17. A support frame 20 is provided on the top of the base 12 to support the rotation of the worm 21. A worm wheel 19 is fixed on the bidirectional threaded rod 17 so that the worm 21 and the worm wheel 19 cooperate. The rotation of the worm 21 drives the worm wheel 19 to rotate. A handle 22 is fixed on the worm 21 for the operator to better rotate the worm 21.
[0028] The working principle and usage process of the present invention are as follows: when it is necessary to splice the mining wind duct body 1, the handle 9 can be pulled first to pull the block 5 into the limit groove 4 through the pull rod 6, and then the fixing block 2 of another mining wind duct body 1 can be installed on the mining wind duct body 1, and then the force on the handle 9 can be released so that the two mining wind duct bodies 1 are fixed together, thereby completing the splicing. By splicing multiple mining wind duct bodies 1 together, the length of the mining wind duct body 1 can be adjusted according to the depth of the mine.
[0029] When it is necessary to support the mining wind duct body 1 at a high place, the handle 22 can be turned to drive the worm 21 to rotate, thereby driving the worm wheel 19 to rotate, so that the two-way threaded rod 17 is rotated, thereby driving the two connecting blocks 16 on the two-way threaded rod 17 to move. By changing the position of the slider 2 15, the inclination angle of the connecting rod 14 is changed, and the mining wind duct body 1 at different heights can be supported, thereby improving the applicability of the equipment.
[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A multifunctional adjustable device for a mine air duct, comprising a mine air duct body (1), wherein a fixing block (2) is fixedly connected to the left side of the mine air duct body (1), and characterized in that: A splicing assembly is provided on the right side of the mining wind duct body (1), and the splicing assembly includes a plurality of clamping blocks (5), and the plurality of clamping blocks (5) are all slidably connected to the right side of the mining wind duct body (1), and the plurality of clamping blocks (5) are fixedly connected to a pull rod (6) at a section away from the center of the mining wind duct body (1), and the outer peripheries of the plurality of pull rods (6) are all sleeved with springs (7), and the outer periphery of the fixed block (2) is provided with a plurality of evenly distributed clamping grooves (3), and the bottom of the mining wind duct body (1) is fixedly connected to a support seat (10), and a support assembly is provided at the bottom of the support seat (10).
2. A multifunctional adjustable device for a mine air duct according to claim 1, characterized in that: The support assembly comprises a plurality of telescopic rods (11), the plurality of telescopic rods (11) are fixedly connected to the bottom of the support seat (10), the bottoms of the plurality of telescopic rods (11) are fixedly connected to a base (12), the bottom of the support seat (10) is slidably connected to a plurality of sliders (13), the bottoms of the plurality of sliders (13) are rotatably connected to a connecting rod (14), the bottoms of the plurality of connecting rods (14) are rotatably connected to a slider (15), and the plurality of sliders (15) are slidably connected to the top of the base (12).
3. A multifunctional adjustable device for a mine air duct according to claim 2, characterized in that: The top of the base (12) is slidably connected to two connecting blocks (16), and a plurality of sliders (15) are fixedly connected to both ends of the two connecting blocks (16). The two connecting blocks (16) are internally threadedly connected to bidirectional threaded rods (17).
4. The multifunctional adjustable device for a mine air duct according to claim 1, characterized in that: A plurality of evenly distributed limiting grooves (4) are provided on the right side of the mining wind tube body (1), and a plurality of pull rods (6) are respectively slidably connected inside the plurality of limiting grooves (4).
5. The multifunctional adjustable device for a mine air duct according to claim 1, characterized in that: One end of each of the plurality of pull rods (6) away from the clamping block (5) is fixedly connected to a limiting block (8), and the other end of each of the plurality of limiting blocks (8) is fixedly connected to a handle (9).
6. The multifunctional adjustable device for a mine air duct according to claim 3, characterized in that: Two fixing frames (18) are fixedly connected to the top of the base (12), and both of the fixing frames (18) are rotatably connected to the outer periphery of the bidirectional threaded rod (17).
7. The multifunctional adjustable device for a mine air duct according to claim 3, characterized in that: Two support frames (20) are fixedly connected to the top of the base (12), and a worm (21) is rotatably connected to the middle of the two support frames (20). One end of the bidirectional threaded rod (17) is fixedly connected to a worm wheel (19), and the worm wheel (19) and the worm (21) are meshed with each other. The rear end of the worm (21) is fixedly connected to a handle (22).
Citation Information
Patent Citations
Mining energy-saving air duct
CN219795309U