Air inlet cylinder of mining fan

Abstract

The utility model belongs to the technical field of mine fan air inlet cylinders, and particularly relates to a mine fan air inlet cylinder which comprises a lower cylinder body and an upper cylinder body, supporting legs are fixedly connected to the lower portion of the lower cylinder body, a first connecting plate is fixedly connected to the outer wall of the lower cylinder body, and a second connecting plate is fixedly connected to the outer wall of the upper cylinder body. And through holes are formed in the connecting plate I and the connecting plate II. According to the mine fan air inlet cylinder, a handle is rotated to drive a connecting rod to rotate, the connecting rod rotates to drive a gear to rotate, a movable plate is driven to slide in a sliding groove under cooperation of clamping teeth, accordingly, the movable plate relieves position limiting of a second inserting rod, then the second inserting rod is pulled out, a square cylinder can be rotated to drive a rotating rod to rotate, and the rotating rod is driven to rotate. The rotating rod rotates to drive a half gear to rotate, so that a rack plate is driven to move, then an insertion rod I moves, when the insertion rod I moves to retract, a clamping block on a filter plate can be clamped into the air inlet cylinder through a clamping groove, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of air inlet cylinders of mine fans, and specifically relates to an air inlet cylinder of a mine fan. Background Technique

[0002] The air inlet cylinder of a mine fan is an important component in the mine ventilation system. It is a cylindrical structure connected to the air inlet of the mine fan, and its main function is to guide air to smoothly enter the fan interior.

[0003] At present, most of the air inlet cylinders of existing mine fans do not have the function of cleaning the filter plate at the air inlet. When the impurities on the filter plate accumulate to a certain extent, it will not only reduce the ventilation effect of the fan, but also may cause a series of safety hazards. In view of this, we propose an air inlet cylinder of a mine fan. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an air inlet cylinder of a mine fan, which can solve the problems raised in the above background technique.

[0005] To achieve the above purpose, an air inlet cylinder of a mine fan proposed by the utility model includes a lower cylinder body and an upper cylinder body. Support feet are fixedly connected below the lower cylinder body. A first connecting plate is fixedly connected to the outer wall of the lower cylinder body. A second connecting plate is fixedly connected to the outer wall of the upper cylinder body. Through holes are provided on both the first connecting plate and the second connecting plate. Card slots are provided on the inner walls of both the lower cylinder body and the upper cylinder body. The card slots are clamped with clamping blocks. The clamping blocks are fixedly connected with a filter plate. An auxiliary mechanism is provided on the filter plate. The auxiliary mechanism includes insertion holes, and the insertion holes are provided on the filter plate.

[0006] Preferably, a connection box is fixedly connected above the upper cylinder body. A receiving groove is provided in the connection box. A fixing plate is fixedly connected in the receiving groove. A sliding groove is provided on the side wall of the fixing plate. A sliding block is slidably connected to the sliding groove.

[0007] Preferably, the sliding block is fixedly connected with a rack plate. A round block is fixedly connected below the rack plate. A first inserting rod is fixedly connected to one end of the round block away from the rack plate.

[0008] Preferably, the round block is fixedly connected with a spring. One end of the spring away from the round block is fixedly connected to the outer wall of the upper cylinder body. The rack plate is engaged with a semi-gear. The semi-gear is fixedly connected with a rotating rod, and the rotating rod is rotatably connected to the inner wall of the connection box.

[0009] Preferably, one end of the rotating rod away from the semi-gear is fixedly connected with a square tube. There is a round hole on the square tube, and a second inserting rod is inserted into the round hole. One end of the square tube away from the rotating rod is rotatably connected with a connecting rod. One end of the connecting rod away from the square tube is fixedly connected with a gear. One end of the gear away from the connecting rod is fixedly connected with a handle. A torsion spring is arranged between the connecting rod and the square tube.

[0010] Preferably, the gear meshes with a toothed block. The toothed block is fixedly connected with a movable plate. The movable plate is slidably connected with a sliding groove, and the sliding groove is arranged on the side wall of the connecting box. An elastic telescopic rod is fixedly connected above the movable plate. One end of the elastic telescopic rod away from the movable plate is fixedly connected with a second auxiliary plate. The side wall of the connecting box is fixedly connected with a first auxiliary plate. There is a circular hole on the first auxiliary plate. By rotating the handle, the connecting rod can be driven to rotate. The rotation of the connecting rod will drive the rotation of the gear. With the cooperation of the toothed block, the movable plate will be driven to slide in the sliding groove, so that the movable plate releases the position limit of the second inserting rod. Then, the second inserting rod is pulled out. At this time, the square tube can be rotated to drive the rotation of the rotating rod. The rotation of the rotating rod will drive the rotation of the semi-gear, thereby driving the rack plate to move, and further driving the first inserting rod to move. When the first inserting rod moves to retract, the clamping block on the filter plate can be clamped in the intake cylinder through the clamping groove. The operation is simple and convenient. By rotating the semi-gear in the reverse direction, the tooth block on the semi-gear is away from the rack plate. At the same time, with the cooperation of the spring, the first inserting rod will be inserted into the jack on the filter plate, thus completing the installation and fixation of the filter plate. Then, the second inserting rod is inserted into the round hole again to complete the position limit of the square tube. Then, the handle is released. Under the elastic reset action of the torsion spring, the gear will be driven to rotate, so that the movable plate moves to limit the second inserting rod again, thereby ensuring the stability of the filter plate fixation.

[0011] The utility model provides a mine fan intake cylinder. It has the following beneficial effects:

[0012] (1) By rotating the handle, the connecting rod can be driven to rotate. The rotation of the connecting rod will drive the rotation of the gear. With the cooperation of the toothed block, the movable plate will be driven to slide in the sliding groove, so that the movable plate releases the position limit of the second inserting rod. Then, the second inserting rod is pulled out. At this time, the square tube can be rotated to drive the rotation of the rotating rod. The rotation of the rotating rod will drive the rotation of the semi-gear, thereby driving the rack plate to move, and further driving the first inserting rod to move. When the first inserting rod moves to retract, the clamping block on the filter plate can be clamped in the intake cylinder through the clamping groove. The operation is simple and convenient.

[0013] (2) The air intake cylinder of the mine fan rotates the semi-gear in the reverse direction to make the tooth blocks on the semi-gear move away from the rack plate. At the same time, with the cooperation of the spring, the first insertion rod will be inserted into the jack on the filter plate, thus completing the installation and fixation of the filter plate. Then, the second insertion rod is re-inserted into the round hole to complete the position limit of the square tube. Next, the handle is released, and under the elastic reset action of the torsion spring, the gear will be driven to rotate, so that the movable plate moves to limit the second insertion rod again, thereby ensuring the stability of the filter plate fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0015] Figure 1 It is a schematic three-dimensional structure diagram of the whole of the present invention;

[0016] Figure 2 It is a schematic three-dimensional structure diagram of part of the devices of the present invention Figure 1 ;

[0017] Figure 3 It is a schematic three-dimensional sectional structure diagram of part of the devices of the present invention;

[0018] Figure 4 It is of the present invention Figure 3 Schematic diagram of the structure of area A;

[0019] Figure 5 It is a schematic three-dimensional structure diagram of part of the devices of the present invention Figure 2 ;

[0020] Figure 6 It is of the present invention Figure 5 Schematic diagram of the structure of area B;

[0021] Figure 7 It is a schematic three-dimensional structure diagram of part of the devices of the present invention Figure 3 .

[0022] Description of the reference numerals in the drawings:

[0023] 1. Lower cylinder body; 2. Upper cylinder body; 3. First connecting plate; 4. Second connecting plate; 5. Through hole; 6. Support feet; 7. Filter plate; 8. Clamping block; 9. Auxiliary mechanism; 91. Insertion hole; 92. Connection box; 93. Fixed plate; 94. Slide block; 95. Rack plate; 96. Round block; 97. First insertion rod; 98. Spring; 99. Rotating rod; 910. Half gear; 911. Square cylinder; 912. Round hole; 913. Second insertion rod; 914. First auxiliary plate; 915. Connecting rod; 916. Torsion spring; 917. Gear; 918. Handle; 919. Teeth; 920. Movable plate; 921. Sliding groove; 922. Elastic telescopic rod; 923. Second auxiliary plate; 10. Card slot.

[0024] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1 - 7 , the present utility model provides an air intake cylinder for a mine fan, including a lower cylinder body 1 and an upper cylinder body 2. Support feet 6 are fixedly connected to the lower part of the lower cylinder body 1. A first connecting plate 3 is fixedly connected to the outer wall of the lower cylinder body 1. A second connecting plate 4 is fixedly connected to the outer wall of the upper cylinder body 2. Through holes 5 are provided on both the first connecting plate 3 and the second connecting plate 4. Card slots 10 are provided on the inner walls of both the lower cylinder body 1 and the upper cylinder body 2. A clamping block 8 is clamped in the card slot 10. A filter plate 7 is fixedly connected to the clamping block 8. An auxiliary mechanism 9 is provided on the filter plate 7. The auxiliary mechanism 9 includes an insertion hole 91, and the insertion hole 91 is provided on the filter plate 7.

[0027] In an embodiment of the present utility model, in order to enable the auxiliary mechanism 9 to operate better, specifically, a connection box 92 is fixedly connected above the upper cylinder body 2. An accommodation groove is provided in the connection box 92, and a fixed plate 93 is fixedly connected in the accommodation groove. A chute is provided on the side wall of the fixed plate 93, and a slider 94 is slidably connected to the chute. The slider 94 is fixedly connected with a rack plate 95. A round block 96 is fixedly connected below the rack plate 95. One end of the round block 96 away from the rack plate 95 is fixedly connected with a first insertion rod 97. The round block 96 is fixedly connected with a spring 98. One end of the spring 98 away from the round block 96 is fixedly connected with the outer wall of the upper cylinder body 2. The rack plate 95 meshes with a semi-gear 910. The semi-gear 910 is fixedly connected with a rotating rod 99, and the rotating rod 99 is rotatably connected to the inner wall of the connection box 92. One end of the rotating rod 99 away from the semi-gear 910 is fixedly connected with a square tube 911. A round hole 912 is provided on the square tube 911, and a second insertion rod 913 is inserted into the round hole 912. One end of the square tube 911 away from the rotating rod 99 is rotatably connected with a connecting rod 915. One end of the connecting rod 915 away from the square tube 911 is fixedly connected with a gear 917. One end of the gear 917 away from the connecting rod 915 is fixedly connected with a handle 918. A torsion spring 916 is provided between the connecting rod 915 and the square tube 911.

[0028] Further, the gear 917 meshes with a locking tooth 919. The locking tooth 919 is fixedly connected to a movable plate 920. The movable plate 920 is slidably connected to a sliding groove 921, and the sliding groove 921 is provided on the side wall of the connection box 92. Above the movable plate 920, an elastic telescopic rod 922 is fixedly connected. One end of the elastic telescopic rod 922 away from the movable plate 920 is fixedly connected to an auxiliary plate two 923. The arrangement of the elastic telescopic rod 922 facilitates the movement and reset of the movable plate 920. The side wall of the connection box 92 is fixedly connected to an auxiliary plate one 914. A circular hole is provided on the auxiliary plate one 914. The arrangement of the circular hole facilitates the insertion and fixation of the insertion rod two 913. By rotating the handle 918, the rotation of the connecting rod 915 is driven. The rotation of the connecting rod 915 will drive the rotation of the gear 917. With the cooperation of the locking tooth 919, the movable plate 920 will be driven to slide in the sliding groove 921, so that the movable plate 920 releases the position limit of the insertion rod two 913. Then, the insertion rod two 913 is pulled out. At this time, the square tube 911 can be rotated to drive the rotation of the rotating rod 99. The rotation of the rotating rod 99 will drive the rotation of the half gear 910, thereby driving the rack plate 95 to move, and further driving the insertion rod one 97 to move. When the insertion rod one 97 moves to retract, the block 8 on the filter plate 7 can be clamped in the air inlet cylinder through the card slot 10. The operation is simple and convenient. By rotating the half gear 910 in the reverse direction, the tooth block on the half gear 910 is separated from the rack plate 95. At the same time, with the cooperation of the spring 98, the insertion rod one 97 will be inserted into the insertion hole 91 on the filter plate 7, thus completing the installation and fixation of the filter plate 7. Then, the insertion rod two 913 is inserted into the circular hole 912 again to complete the position limit of the square tube 911. Then, the handle 918 is released. Under the elastic reset action of the torsion spring 916, the gear 917 will be driven to rotate, so that the movable plate 920 moves to limit the insertion rod two 913 again, thereby ensuring the stability of the fixation of the filter plate 7.

[0029] In the present utility model, during use, the air inlet cylinder is assembled by the lower cylinder body 1, the upper cylinder body 2, the first connecting plate 3 and the second connecting plate 4. Then, each component is tightly connected through the through hole 5 and bolts. Then, the rotation of the handle 918 drives the rotation of the connecting rod 915. The rotation of the connecting rod 915 drives the rotation of the gear 917. With the cooperation of the engaging teeth 919, it drives the movable plate 920 to slide in the sliding groove 921, so that the movable plate 920 releases the position limit of the second inserting rod 913. Then, the second inserting rod 913 is pulled out. At this time, the square cylinder 911 can be rotated to drive the rotation of the rotating rod 99. The rotation of the rotating rod 99 drives the rotation of the semi-gear 910, thereby driving the rack plate 95 to move, and further driving the first inserting rod 97 to move. When the first inserting rod 97 moves to retract, the clamping block 8 on the filter plate 7 can be clamped inside the air inlet cylinder through the clamping groove 10. Then, the semi-gear 910 is rotated in the reverse direction to make the tooth block on the semi-gear 910 away from the rack plate 95. At the same time, with the cooperation of the spring 98, the first inserting rod 97 is inserted into the insertion hole 91 on the filter plate 7, thus completing the installation and fixation of the filter plate 7. Then, the second inserting rod 913 is reinserted into the round hole 912 to complete the position limit of the square cylinder 911. Then, the handle 918 is released. Under the elastic reset action of the torsion spring 916, it drives the gear 917 to rotate, so that the movable plate 920 moves to limit the second inserting rod 913 again, thereby ensuring the stability of the fixation of the filter plate 7.

[0030] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made by using the description and drawings of the present utility model under the inventive concept of the present utility model, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. A mine fan intake cylinder, comprising a lower cylinder body (1) and an upper cylinder body (2), characterized in that: A support leg (6) is fixedly connected below the lower cylinder body (1). A first connecting plate (3) is fixedly connected to the outer wall of the lower cylinder body (1). A second connecting plate (4) is fixedly connected to the outer wall of the upper cylinder body (2). Through holes (5) are provided on both the first connecting plate (3) and the second connecting plate (4). Clamping grooves (10) are provided on the inner walls of both the lower cylinder body (1) and the upper cylinder body (2). A clamping block (8) is clamped in the clamping groove (10). The clamping block (8) is fixedly connected to a filter plate (7). An auxiliary mechanism (9) is provided on the filter plate (7). The auxiliary mechanism (9) includes a jack (91), and the jack (91) is provided on the filter plate (7).

2. The air intake cylinder of a mine fan according to claim 1, wherein: A connection box (92) is fixedly connected above the upper cylinder body (2). A receiving groove is provided in the connection box (92). A fixing plate (93) is fixedly connected in the receiving groove. A sliding groove is provided on the side wall of the fixing plate (93). A slider (94) is slidably connected to the sliding groove.

3. The air inlet cylinder of a mine fan according to claim 2, characterized in that: The slider (94) is fixedly connected to a rack plate (95). A round block (96) is fixedly connected below the rack plate (95). A first insertion rod (97) is fixedly connected to one end of the round block (96) away from the rack plate (95).

4. The air inlet barrel of a mine fan according to claim 3, characterized in that: A spring (98) is fixedly connected to the round block (96). One end of the spring (98) away from the round block (96) is fixedly connected to the outer wall of the upper cylinder body (2). The rack plate (95) meshes with a half gear (910). The half gear (910) is fixedly connected to a rotating rod (99), and the rotating rod (99) is rotatably connected to the inner wall of the connection box (92).

5. The air inlet cylinder of a mine fan according to claim 4, characterized in that: A square tube (911) is fixedly connected to one end of the rotating rod (99) away from the half gear (910). A round hole (912) is provided on the square tube (911). A second insertion rod (913) is inserted into the round hole (912). One end of the square tube (911) away from the rotating rod (99) is rotatably connected to a connecting rod (915). A gear (917) is fixedly connected to one end of the connecting rod (915) away from the square tube (911). A handle (918) is fixedly connected to one end of the gear (917) away from the connecting rod (915). A torsion spring (916) is provided between the connecting rod (915) and the square tube (911).

6. The air intake cylinder of a mine fan according to claim 5, characterized in that: The gear (917) meshes with a tooth (919). The tooth (919) is fixedly connected to a movable plate (920). The movable plate (920) is slidably connected to a sliding groove (921), and the sliding groove (921) is provided on the side wall of the connection box (92). An elastic telescopic rod (922) is fixedly connected above the movable plate (920). A second auxiliary plate (923) is fixedly connected to one end of the elastic telescopic rod (922) away from the movable plate (920). A first auxiliary plate (914) is fixedly connected to the side wall of the connection box (92). A circular hole is provided on the first auxiliary plate (914).

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