CN219605321U - Underground air door for coal mine - Google Patents
Underground air door for coal mine Download PDFInfo
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- CN219605321U CN219605321U CN202320306436.8U CN202320306436U CN219605321U CN 219605321 U CN219605321 U CN 219605321U CN 202320306436 U CN202320306436 U CN 202320306436U CN 219605321 U CN219605321 U CN 219605321U
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- air door
- door
- door leaves
- wind
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Abstract
The utility model discloses a coal mine underground air door which comprises a top box, two fixed bases oppositely arranged in a roadway, and two groups of air door components arranged at intervals, wherein each group of air door components comprises two oppositely arranged hydraulic struts, two fixed blocks, two door leaves and two wind shields; the upper surfaces of two ends of the fixed base are respectively provided with a vertical hydraulic prop, the telescopic ends of the hydraulic prop are provided with fixed blocks, the cylinder body and the fixed blocks of the hydraulic prop are respectively fixed with fixed shafts, each fixed shaft is connected with a rotatable sleeve, the fixed shafts are vertically arranged with the sleeves, the door leaves are respectively connected with fixed pins corresponding to the positions of the sleeves, and the door leaves are respectively connected to the corresponding hydraulic prop through the cooperation rotation of the sleeves and the fixed pins; the outside of the hydraulic prop is wrapped with a wind shield with two open ends and U-shaped cross section, and the side wall of the wind shield is provided with a channel which is convenient for a fixing pin to pass through; the top of four fixed blocks is fixed with the top case that the level set up jointly.
Description
Technical field:
the utility model relates to the technical field of coal mine ventilation, in particular to a coal mine underground air door.
The background technology is as follows:
the air door is an important facility in the underground ventilation system of the coal mine, and is arranged on a door frame in a roadway and used for isolating air flow or adjusting air quantity. At present, in the construction operation process of installing and detaching the air door under the coal mine, because the air door is higher and heavier, more operators are required to ascend to finish the operation of disassembling the air door, the time and the labor are wasted, the disassembly difficulty is high, the strength is high, and the potential safety hazard exists in the operation range.
The utility model comprises the following steps:
the utility model aims to provide a coal mine underground air door, which solves the problems of high difficulty in dismounting the air door, high labor intensity of personnel and high potential safety hazard.
The utility model is implemented by the following technical scheme: the underground coal mine air door comprises a top box, two fixed bases oppositely arranged in a roadway, and two groups of air door assemblies arranged at intervals, wherein each group of air door assemblies comprises two oppositely arranged hydraulic struts, two fixed blocks, two door leaves and two wind shields; grooves are respectively formed in the upper surfaces of two ends of the fixed base, the bottom ends of the cylinder bodies of the hydraulic support posts are vertically clamped in the corresponding grooves, the fixed blocks are fixed on the telescopic ends of the hydraulic support posts, fixed shafts are respectively fixed on the cylinder bodies of the hydraulic support posts and the fixed blocks, rotatable sleeves are connected to the fixed shafts, the fixed shafts are vertically arranged with the sleeves, fixed pins corresponding to the positions of the sleeves are respectively connected to the door leaves, and the door leaves are respectively connected to the corresponding hydraulic support posts through the sleeves and the fixed pins in a matched and rotary mode; the outside of the hydraulic prop is wrapped with a wind shield with two open ends and U-shaped cross section, the top end of the wind shield is abutted with the bottom surface of the fixed block, the bottom end of the wind shield is abutted with the top surface of the fixed base, the wind shield is arranged facing the inner wall of a roadway, and the side wall of the wind shield is provided with a channel which is convenient for the fixing pin to pass through; the top of the four fixed blocks is jointly fixed with the top box which is horizontally arranged.
Preferably, two wind shields arranged at intervals are vertically fixed between the two fixed bases, and when the door leaves of the air door assembly are closed, the inner sides of the door leaves are respectively attached to the corresponding wind shields.
Preferably, the cylinder body of each hydraulic prop is fixedly arranged on the inner wall of the roadway through a fixing clip.
Preferably, universal wheels are respectively arranged at the bottoms of the door leaves.
Preferably, the door leaves are arc-shaped door leaves, wherein one group of arc-shaped protruding surfaces formed when the door leaves of the air door assemblies are closed are arranged facing the wind, and the other group of arc-shaped protruding surfaces formed when the door leaves of the air door assemblies are closed are arranged leeward.
The utility model has the advantages that: the utility model is provided with a top box, two fixed bases oppositely arranged in a roadway and two groups of air door assemblies arranged at intervals, wherein each group of air door assemblies comprises two hydraulic struts oppositely arranged, two fixed blocks, two door leaves and two wind shields, and the sleeve of each hydraulic strut is matched with the fixed pin of each door leaf to enable the door leaf of each group of air door assemblies to be respectively connected to the corresponding hydraulic strut in a rotating way; when the door is assembled and disassembled, the door leaves can be mutually changed from an inclined state to a vertical state by matching with the lifting function of the telescopic ends of the hydraulic struts, so that the door leaves can be disassembled and assembled easily; the utility model has the advantages of simple installation and disassembly, safe and reliable lifting, reduces the construction difficulty and labor intensity, eliminates the potential safety hazard in the construction process, and ensures the safety of operators; meanwhile, in the process of installation and disassembly, the number of constructors is reduced, the labor efficiency is improved, and the personnel cost is saved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the present utility model in a state where the roof box is not installed.
Fig. 3 is a side view of the present utility model.
The components in the drawings are marked as follows: top case 1, unable adjustment base 2, recess 2.1, air door subassembly 3, hydraulic prop 3.1, fixed block 3.2, door leaf 3.3, windshield 3.4, passageway 3.4.1, fixed checkpost 4, fixed axle 5, sleeve 6, fixed pin 7, universal wheel 8, deep bead 9.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "front," "rear," "top," "bottom," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-3, an underground coal mine air door comprises a top box 1, two fixing bases 2 oppositely arranged in a roadway, and two sets of air door components 3 arranged at intervals, wherein each set of air door components 3 comprises two oppositely arranged hydraulic struts 3.1, two fixing blocks 3.2, two door leaves 3.3 and two wind shields 3.4, each hydraulic strut 3.1 is driven to lift by a portable hydropneumatic pump, the portable hydropneumatic pump is existing equipment, the door leaves 3.3 are arc-shaped door leaves, and the arc-shaped bulge faces formed when the door leaves 3.3 of one set of air door components 3 are closed face into the wind, so that the wind pressure is reduced, the service life of the air door is prolonged, and the arc-shaped bulge faces formed when the door leaves 3.3 of the other set of air door components 3 are closed are arranged leeward;
circular grooves 2.1 are respectively formed in the upper surfaces of the two ends of the fixed base 2, the bottom ends of the cylinder bodies of the hydraulic support posts 3.1 are vertically clamped in the corresponding grooves 2.1, the cylinder body of each hydraulic support post 3.1 is fixedly arranged on the inner wall of a roadway through a fixed clip 4, and the cylinder bodies of the hydraulic support posts 3.1 are fixed on the inner wall of the roadway through the fixed clip 4, so that the stability and the installation firmness of an air door are enhanced;
the telescopic end of the hydraulic prop 3.1 is fixedly provided with a fixed block 3.2, the cylinder body of the hydraulic prop 3.1 and the fixed block 3.2 are respectively fixedly provided with a fixed shaft 5, each fixed shaft 5 is connected with a rotatable sleeve 6, the fixed shafts 5 are vertically arranged with the sleeves 6, the door leaves 3.3 are respectively connected with fixed pins 7 corresponding to the positions of the sleeves 6 one by one, the door leaves 3.3 are respectively connected to the corresponding hydraulic prop 3.1 through the matching rotation of the sleeves 6 and the fixed pins 7, the bottoms of the door leaves 3.3 are respectively provided with universal wheels 8, when the telescopic end of the hydraulic prop 3.1 is lifted, the door leaves 3.3 are pulled to be matched with the universal wheels 8 at the bottoms of the door leaves 3.3, so that the door leaves 3.3 are smoothly changed into a vertical state from an inclined state, the disassembly and assembly of the door leaves 3.3 are facilitated, and meanwhile, the universal wheels 8 are arranged to facilitate the opening and closing of air doors;
the outside of the hydraulic prop 3.1 is wrapped with a wind shield 3.4 with two open ends and U-shaped cross section, the top end of the wind shield 3.4 is abutted with the bottom surface of the fixed block 3.2, the bottom end of the wind shield 3.4 is abutted with the top surface of the fixed base 2, the wind shield 3.4 is arranged facing the inner wall of a roadway, the side wall of the wind shield 3.4 is provided with a channel 3.4.1 which is convenient for a fixing pin 7 to pass through, and the wind shield 3.4 is arranged to enhance the sealing effect of an air door and avoid air leakage; the top parts of the four fixed blocks 3.2 are jointly fixed with a horizontally arranged top box 1, and the top box 1 is arranged for placing a portable hydraulic pneumatic pump; two mutually parallel wind shields 9 are vertically fixed between the two fixed bases 2, when the door leaves 3.3 of each air door component 3 are closed, the inner sides of the bottom ends of the door leaves 3.3 are respectively attached to the corresponding wind shields 9, the top ends of the door leaves 3.3 are attached to the bottom surface of the top box 1, and the wind shields 9 are arranged to further enhance the sealing effect of the air door and avoid air leakage.
The utility model is provided with a top box 1, two fixed bases 2 oppositely arranged in a roadway, and two groups of air door assemblies 3 arranged at intervals, wherein each group of air door assemblies 3 comprises two oppositely arranged hydraulic support posts 3.1, two fixed blocks 3.2, two door leaves 3.3 and two wind shields 3.4, and the sleeve 6 of the hydraulic support posts 3.1 is matched with the fixed pins 7 of the door leaves 3.3 to enable the door leaves 3.3 of each group of air door assemblies 3 to be respectively connected to the corresponding hydraulic support posts 3.1 in a rotating way; when the door is assembled and disassembled, the door leaf 3.3 can be mutually changed from an inclined state to a vertical state by matching with the lifting function of the telescopic end of the hydraulic prop 3.1, so that the door leaf 3.3 is convenient to disassemble and assemble; the utility model has the advantages of simple installation and disassembly, safe and reliable lifting, reduces the construction difficulty and labor intensity, eliminates the potential safety hazard in the construction process, and ensures the safety of operators; meanwhile, in the process of installation and disassembly, the number of constructors is reduced, the labor efficiency is improved, and the personnel cost is saved.
Installation and use instructions: firstly, two fixing bases 2 are respectively arranged on the bottom surface close to the side wall of a roadway, the bottoms of cylinder bodies of four hydraulic supports 3.1 are respectively vertically clamped in grooves 2.1 of the fixing bases 2, fixing blocks 3.2 are respectively fixed on the tops of telescopic ends of the hydraulic supports 3.1, a top box 1 is horizontally arranged on the tops of the fixing blocks 3.2, and a bottom plate of the top box 1 is fixedly connected with the fixing blocks 3.2;
secondly, fixing pins 7 at the upper ends of the door leaves 3.3 are respectively inserted into sleeves 6 at the upper ends of the corresponding hydraulic support posts 3.1, at the moment, the door leaves 3.3 are in an inclined state, the telescopic ends of the 4 hydraulic support posts 3.1 are controlled to be simultaneously elongated, so that the fixing blocks 3.2 push the top box 1 to rise, the telescopic ends of the hydraulic support posts 3.1 drive the corresponding door leaves 3.3 to rise until the door leaves 3.3 are changed into a vertical state from the inclined state, at the moment, the top surfaces of the top box 1 are just attached to the top wall in a roadway, and in the rising process of the door leaves 3.3, the sleeves 6 at the lower ends of the corresponding hydraulic support posts 3.1 are respectively rotated, so that the fixing pins 7 at the lower ends of the door leaves 3.3 are respectively inserted into the corresponding sleeves 6;
then, the cylinder bodies of the hydraulic support columns 3.1 are fixedly arranged on the inner wall of the roadway through the fixing clips 4 respectively; each wind shield 3.4 is wrapped and installed around the corresponding hydraulic prop 3.1 facing the inner wall of the roadway, so that the top end of the wind shield 3.4 is abutted with the bottom surface of the fixed block 3.2, and the bottom end of the wind shield 3.4 is abutted with the top surface of the fixed base 2, thereby playing a role of wind shielding;
finally, two parallel wind deflectors 9 are vertically mounted between the two fixed bases 2, and when the door leaves 3.3 of each air door assembly 3 are closed, the inner sides of the bottom ends of the door leaves 3.3 are attached to the corresponding wind deflectors 9.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The underground coal mine air door is characterized by comprising a top box, two fixed bases oppositely arranged in a roadway, and two groups of air door assemblies arranged at intervals, wherein each group of air door assemblies comprises two oppositely arranged hydraulic struts, two fixed blocks, two door leaves and two wind shields; grooves are respectively formed in the upper surfaces of two ends of the fixed base, the bottom ends of the cylinder bodies of the hydraulic support posts are vertically clamped in the corresponding grooves, the fixed blocks are fixed on the telescopic ends of the hydraulic support posts, fixed shafts are respectively fixed on the cylinder bodies of the hydraulic support posts and the fixed blocks, rotatable sleeves are connected to the fixed shafts, the fixed shafts are vertically arranged with the sleeves, fixed pins corresponding to the positions of the sleeves are respectively connected to the door leaves, and the door leaves are respectively connected to the corresponding hydraulic support posts through the sleeves and the fixed pins in a matched and rotary mode; the outside of the hydraulic prop is wrapped with a wind shield with two open ends and a U-shaped cross section, the top end of the wind shield is abutted with the bottom surface of the fixed block, the bottom end of the wind shield is abutted with the top surface of the fixed base, the wind shield is arranged facing the inner wall of a roadway, and a channel which is convenient for the fixed pin to pass through is formed in the side wall of the wind shield; the top of the four fixed blocks is jointly fixed with the top box which is horizontally arranged.
2. The underground coal mine air door according to claim 1, wherein two wind shields arranged at intervals are vertically fixed between the two fixed bases, and when the door leaves of the air door assembly are closed, the inner sides of the door leaves are respectively attached to the corresponding wind shields.
3. A coal mine underground air door as claimed in claim 1 or claim 2, wherein the cylinder body of each hydraulic prop is fixedly mounted on the inner wall of the roadway by a fixing clip.
4. A coal mine underground air door as claimed in claim 3, wherein the bottoms of the door leaves are respectively provided with universal wheels.
5. A coal mine underground air door as claimed in claim 1, wherein the door leaves are arc-shaped door leaves, and wherein one set of arc-shaped raised surfaces formed when the door leaves of the air door assemblies are closed are arranged facing the wind, and the other set of arc-shaped raised surfaces formed when the door leaves of the air door assemblies are closed are arranged facing the wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306436.8U CN219605321U (en) | 2023-02-23 | 2023-02-23 | Underground air door for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306436.8U CN219605321U (en) | 2023-02-23 | 2023-02-23 | Underground air door for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605321U true CN219605321U (en) | 2023-08-29 |
Family
ID=87745408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306436.8U Active CN219605321U (en) | 2023-02-23 | 2023-02-23 | Underground air door for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605321U (en) |
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2023
- 2023-02-23 CN CN202320306436.8U patent/CN219605321U/en active Active
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