Noise reduction type mine dust removal fan

Abstract

The utility model relates to the technical field of dust removal fans, in particular to a noise reduction type mine dust removal fan. The noise reduction type mine dust removal fan comprises a butt joint cylinder, an annular embedding groove is formed in the butt joint cylinder, and an elastic wrinkled air bag ring is embedded in the annular embedding groove; a gas storage cavity used for storing gas is formed in the butt joint cylinder, and an abutting assembly is further installed on the butt joint cylinder. According to the noise reduction type mine dust removal fan, the U-shaped rod is pushed inwards, so that the piston ring pushes air in the air storage cavity into the elastic wrinkled air bag ring, the elastic wrinkled air bag ring expands and rapidly fills a gap between the inner barrel wall of the butt joint barrel and the outer pipe wall of the pipeline, and fixed connection between the butt joint barrel and the pipeline is achieved; due to the fact that the expanded elastic wrinkled air bag ring is of an elastic structure, the hidden danger of connection failure or sealing failure of a pipeline in butt joint with the dust removal fan body due to vibration of the dust removal fan body is eliminated in the structural form.

Description

Technical Field

[0001] This utility model relates to the field of dust removal fan technology, and in particular to a noise reduction type dust removal fan for mines. Background Technology

[0002] With the continuous development of my country, the production of my country's mining industry is also constantly improving. Mining is carried out through corresponding mechanical equipment. A large amount of dust is generated during the mining process, which needs to be removed by dust removal fans to provide a clean operating environment for workers.

[0003] Currently available dust collectors are inconvenient to connect to corresponding pipelines during use. To solve this problem, patent document CN 214221233 U describes installing sound-absorbing panels and sound-insulating cotton on the inner wall of the main body, increasing the sound insulation effect of the main body. When the main body is working, the noise emitted is greatly reduced, thereby reducing noise pollution and effectively improving the environmental friendliness of the fan. Furthermore, a connection structure is provided between the main body and the pipeline. By inserting the mounting blocks on both sides of the main body into the mounting groove on one side of the pipeline, the main body and the pipeline are connected. Then, rotating the rotating rod sequentially causes the lower locking block to engage with the locking groove in the pipeline, thus fixing them together. Although the patent document CN 214221233... U's patent document reduces noise pollution by using sound-absorbing panels and sound-insulating cotton, effectively improving the environmental friendliness of the fan. However, its connection structure uses a rotating rod to drive the locking block into the slot in the pipe. This not only requires time-consuming and laborious manual operation of each rotating rod, but also causes the pipe connected to it to vibrate when the dust collector fan vibrates due to working reasons or other reasons. This can lead to potential connection failures and sealing failures between the dust collector fan and the pipe.

[0004] To solve the above problems, it is necessary to improve the connection structure between the dust removal fan and the pipeline based on the structure disclosed in CN 214221233 U, so as to solve the above technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a noise-reducing mine dust removal fan.

[0006] The noise reduction type mine dust removal fan provided by this utility model includes a docking cylinder, an annular fitting groove is provided inside the docking cylinder, and an elastic pleated airbag ring is fitted in the annular fitting groove.

[0007] The docking cylinder has a gas storage chamber for storing gas, and the gas storage chamber is equipped with several annularly distributed docking pipes for communicating with the elastic pleated airbag ring.

[0008] The docking cylinder is also equipped with a mating component for driving the gas in the gas storage chamber to flow into the elastic pleated airbag ring, causing the elastic pleated airbag ring to expand.

[0009] Preferably, the outer surface of the elastic pleated airbag ring is fixedly connected to the inner wall of the annular fitting groove, and a plurality of annularly distributed tube connectors are installed on the outer wall of the elastic pleated airbag ring near the bottom. The tube connectors are fixedly fitted into the groove wall of the annular fitting groove near the bottom and communicate with the air storage chamber. The tube connectors correspond one-to-one with the tube connectors on the elastic pleated airbag ring and are fixedly connected to each other.

[0010] Preferably, the mating assembly includes a piston ring, which is slidably installed inside the mating cylinder. Multiple U-shaped rods distributed in annularly are fixedly installed on the outer ring surface of the piston ring. The U-shaped rods pass through sliding through holes opened at the ends of the mating cylinder. A rotating ring is fixedly mounted on the rod head of the U-shaped rod located on the outer rod section of the mating cylinder. The rotating ring is coaxially arranged with the mating cylinder, and a rotatably connected threaded ring is installed at the bottom of the rotating ring.

[0011] Preferably, a reinforcing steel ring is fixedly mounted on the section of the U-shaped rod located outside the docking cylinder.

[0012] Preferably, a welded pipe is fixedly installed at one end of the docking cylinder near the bottom of the gas storage chamber.

[0013] Preferably, the outer ring wall of the docking cylinder near the end of the welding pipe is provided with an external thread section that matches the threaded ring.

[0014] Compared with related technologies, the noise-reducing mine dust removal fan provided by this utility model has the following beneficial effects:

[0015] When the dust collector fan body is installed and connected to the pipeline in the mine, one end of the pipeline is inserted into the connecting cylinder until the pipeline is inserted to the connection point between the connecting cylinder and the welded pipe. At this time, the U-shaped rod is pushed inward, and the piston ring pushes the gas in the gas storage chamber into the elastic pleated airbag ring. Therefore, the elastic pleated airbag ring expands and quickly fills the gap between the inner wall of the connecting cylinder and the outer wall of the pipeline, realizing the fixed connection between the connecting cylinder and the pipeline. Since the expanded elastic pleated airbag ring is an elastic structure, the structural form eliminates the hidden danger of connection failure or sealing failure of the connecting pipeline caused by the vibration of the dust collector fan body. Attached Figure Description

[0016] Figure 1 One of the structural schematic diagrams of a preferred embodiment of the noise-reducing mine dust removal fan provided by this utility model;

[0017] Figure 2A second structural schematic diagram of a preferred embodiment of the noise-reducing mine dust removal fan provided by this utility model;

[0018] Figure 3 for Figure 1 The diagram shows a cross-sectional view of the structure.

[0019] Figure 4 for Figure 3 A cross-sectional view of the docking cylinder shown.

[0020] Figure 5 for Figure 1 One of the structural schematic diagrams of the abutment component shown;

[0021] Figure 6 for Figure 1 The second schematic diagram of the abutment component is shown.

[0022] The following are the labeling elements in the diagram: 1. Connecting cylinder; 11. Welded pipe; 12. External threaded section; 1a. Annular fitting groove; 1b. Air storage chamber; 1c. Connecting hole; 1d. Sliding through hole; 2. Elastic pleated airbag ring; 3. Abutting assembly; 31. Piston ring; 32. U-shaped rod; 33. Rotating ring; 34. Threaded ring; 35. Reinforcing steel ring. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0025] Please see Figures 1 to 6 This utility model provides a noise reduction type mine dust removal fan, which includes a docking cylinder 1, an elastic pleated airbag ring 2, and an abutment component 3. A welded pipe 11 is fixedly installed at one end of the docking cylinder 1 near the bottom of the air storage chamber 1b. The docking cylinder 1 replaces the connection structure in the patent with publication number CN 214221233 U, and the welded pipe 11 on the docking cylinder 1 is fixedly welded to the main body connection end of the dust removal fan in the patent with publication number CN 214221233 U.

[0026] In the embodiments of this utility model, please refer to Figures 1 to 6The docking cylinder 1 has an annular fitting groove 1a, in which an elastic pleated airbag ring 2 is fitted. The docking cylinder 1 also has a gas storage chamber 1b for gas storage, and several annularly distributed connecting pipes 1c for communicating with the elastic pleated airbag ring 2 are installed in the gas storage chamber 1b. Specifically, the outer surface of the elastic pleated airbag ring 2 is fixedly connected to the inner wall of the annular fitting groove 1a, and several annularly distributed pipe connectors are installed on the outer wall of the elastic pleated airbag ring 2 near the bottom. The connecting pipes 1c are fixedly fitted on the groove wall of the annular fitting groove 1a near the bottom and communicate with the gas storage chamber 1b. The connecting pipes 1c correspond one-to-one with the pipe connectors on the elastic pleated airbag ring 2 and are fixedly connected to each other.

[0027] The docking cylinder 1 is also equipped with a mating assembly 3 for driving the gas in the gas storage chamber 1b to flow into the elastic pleated airbag ring 2, causing the elastic pleated airbag ring 2 to expand. The mating assembly 3 includes a piston ring 31, which is slidably installed in the docking cylinder 1. Multiple U-shaped rods 32 are fixedly installed on the outer ring surface of the piston ring 31. The U-shaped rods 32 pass through the sliding through holes 1d opened at the end of the docking cylinder 1. A rotating ring 33 is fixedly mounted on the rod head of the U-shaped rod 32 located on the outer rod section of the docking cylinder 1. The rotating ring 33 is coaxially arranged with the docking cylinder 1. A threaded ring 34 is rotatably connected to the bottom of the rotating ring 33. An external threaded section 12 matching the threaded ring 34 is provided on the outer ring wall of the docking cylinder 1 near the welded pipe 11.

[0028] It should be noted that when the main body of the dust collector fan is installed and connected to the pipeline in the mine, one end of the pipeline is inserted into the connecting cylinder 1 until the pipeline is inserted to the connection point between the connecting cylinder 1 and the welded pipe 11. At this time, the U-shaped rod 32 is pushed inward, and the piston ring 31 pushes the gas in the gas storage chamber 1b into the elastic pleated airbag ring 2. Therefore, the elastic pleated airbag ring 2 expands and quickly fills the gap between the inner wall of the connecting cylinder 1 and the outer wall of the pipeline, realizing the fixed connection between the connecting cylinder 1 and the pipeline. Since the expanded elastic pleated airbag ring 2 is an elastic structure, the structural form eliminates the hidden danger of connection failure or sealing failure of the connecting pipeline caused by the vibration of the main body of the dust collector fan.

[0029] After the threaded ring 34 slides along the external thread section 12 of the mating cylinder 1, the threaded ring 34 is screwed in along the external thread section 12, so that the threaded ring 34 is threadedly fixed to the external thread section 12, thereby completing the fixation of the piston ring 31 in the gas storage chamber 1b. Since a rotating ring 33 is provided between the connecting end of the U-shaped rod 32 and the threaded ring 34, it does not affect the screwing of the threaded ring 34 on the external thread section 12.

[0030] When it is necessary to inspect the main body of the dust collector fan, the connecting cylinder 1 and the connecting pipe on the main body of the dust collector fan can be quickly disassembled. Specifically, the threaded ring 34 is unscrewed along the external thread section 12, and then the U-shaped rod 32 is pulled outward, so that the piston ring 31 slides outward along the air storage chamber 1b and creates a negative pressure inside the air storage chamber 1b. Therefore, the gas in the elastic pleated air bag ring 2 flows back into the air storage chamber 1b, so that the elastic pleated air bag ring 2 elastically returns to the pleated contracted state. Then, the connecting cylinder 1 is slid outward from the pipe to complete the disassembly of the main body of the dust collector fan and the connecting pipe. It is simple and convenient.

[0031] The U-shaped rod 32 is fixedly mounted with a reinforcing steel ring 35 on the rod section outside the docking cylinder 1. So when the threaded ring 34 is tightened and fixed to the external threaded section 12 on the outer ring wall of the docking cylinder 1, the U-shaped rod 32 and the reinforcing steel ring 35 on the rod section outside the docking cylinder 1 can effectively protect the docking cylinder 1 and reduce the risk of deformation of the docking cylinder 1 due to impact.

[0032] The working principle of the noise-reducing mine dust removal fan provided by this utility model is as follows:

[0033] When the main body of the dust collector fan is installed and connected to the pipeline in the mine, one end of the pipeline is inserted into the connecting cylinder 1 until the pipeline is inserted to the connection point between the connecting cylinder 1 and the welded pipe 11. At this time, the U-shaped rod 32 is pushed inward, and the piston ring 31 pushes the gas in the gas storage chamber 1b into the elastic pleated airbag ring 2. Therefore, the elastic pleated airbag ring 2 expands and quickly fills the gap between the inner wall of the connecting cylinder 1 and the outer wall of the pipeline, realizing the fixed connection between the connecting cylinder 1 and the pipeline. Since the expanded elastic pleated airbag ring 2 is an elastic structure, the structural form eliminates the hidden danger of connection failure or sealing failure of the connecting pipeline caused by the vibration of the main body of the dust collector fan.

[0034] After the threaded ring 34 slides along the external thread section 12 of the mating cylinder 1, the threaded ring 34 is screwed in along the external thread section 12, so that the threaded ring 34 is threadedly fixed to the external thread section 12, thereby completing the fixation of the piston ring 31 in the gas storage chamber 1b. Since a rotating ring 33 is provided between the connecting end of the U-shaped rod 32 and the threaded ring 34, it does not affect the screwing of the threaded ring 34 on the external thread section 12.

[0035] When the main body of the dust collector fan needs to be inspected, the connecting cylinder 1 and the connecting pipe on the main body of the dust collector fan can be quickly disassembled. Specifically, the threaded ring 34 is unscrewed along the external thread section 12, and then the U-shaped rod 32 is pulled outward, so that the piston ring 31 slides outward along the air storage chamber 1b and creates a negative pressure inside the air storage chamber 1b. Therefore, the gas in the elastic pleated air bag ring 2 flows back into the air storage chamber 1b, so that the elastic pleated air bag ring 2 elastically returns to the pleated contracted state. Then, the connecting cylinder 1 is slid outward from the pipe to complete the disassembly of the main body of the dust collector fan and the connecting pipe. It is simple and convenient.

[0036] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A noise-reducing mine dust removal fan, characterized in that, It includes a docking cylinder (1), which has an annular fitting groove (1a) inside, and an elastic pleated airbag ring (2) is fitted in the annular fitting groove (1a). The docking cylinder (1) has a gas storage chamber (1b) for storing gas, and the gas storage chamber (1b) is equipped with a number of annularly distributed docking pipes (1c) for communicating with the elastic pleated airbag ring (2). The docking cylinder (1) is also equipped with an abutment component (3) for driving the gas in the gas storage chamber (1b) to flow into the elastic pleated airbag ring (2) so that the elastic pleated airbag ring (2) expands.

2. The noise-reducing mine dust removal fan according to claim 1, characterized in that, The outer surface of the elastic pleated airbag ring (2) is fixedly connected to the inner wall of the annular fitting groove (1a), and a number of annularly distributed pipe fittings are installed on the outer wall of the elastic pleated airbag ring (2) near the bottom. The pipe fitting (1c) is fixedly fitted on the groove wall of the annular fitting groove (1a) near the bottom and communicates with the air storage chamber (1b). The pipe fitting (1c) corresponds one-to-one with the pipe fittings on the elastic pleated airbag ring (2) and is fixedly connected to each other.

3. The noise-reducing mine dust removal fan according to claim 1, characterized in that, The mating assembly (3) includes a piston ring (31), which is slidably installed inside the docking cylinder (1). Multiple U-shaped rods (32) are fixedly installed on the outer ring surface of the piston ring (31). The U-shaped rods (32) pass through sliding through holes (1d) opened at the ends of the docking cylinder (1). A rotating ring (33) is fixedly mounted on the rod head of the U-shaped rod (32) located on the outer rod section of the docking cylinder (1). The rotating ring (33) is coaxially arranged with the docking cylinder (1), and a rotatably connected threaded ring (34) is installed at the bottom of the rotating ring (33).

4. The noise-reducing mine dust removal fan according to claim 3, characterized in that, The U-shaped rod (32) is fixedly mounted with a reinforcing steel ring (35) on the rod section located outside the docking cylinder (1).

5. The noise-reducing mine dust removal fan according to claim 3, characterized in that, A welded pipe (11) is fixedly installed at one end of the docking cylinder (1) near the bottom of the gas storage chamber (1b).

6. The noise-reducing mine dust removal fan according to claim 5, characterized in that, The outer ring wall of the docking cylinder (1) near the welding pipe (11) is provided with an external thread section (12) that matches the threaded ring (34).

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