Low-noise energy-saving mining fan

Abstract

The utility model discloses a low-noise energy-saving mining fan, which belongs to the technical field of mining fans, solves the problem that an existing device cannot reduce vibration and noise generated during operation of a motor and a transmission shaft inside the fan, and comprises a cushioning and noise-reducing component, the cushioning and noise-reducing component comprises a semicircular plate which is movably sleeved outside a fan body, the fan body is provided with a semicircular plate, the inner wall of the semicircular plate is pasted with a cushioning pad, the inner wall of the cushioning pad is attached to the surface of the fan body, the inner wall of the cushioning pad is provided with a sound absorption groove, the cushioning and noise reduction assembly is fixed to the outer surface of the fan body, the cushioning pad is used for absorbing vibration generated during operation of a motor in the fan body, and the sound absorption groove is formed in the inner wall of the cushioning pad; and then the situation that vibration in the fan body is transmitted to the ground or the wall around the fan body, so that the parts are violently rombed and noise is generated is avoided, the noise generated in the fan body can be absorbed through the sound absorption grooves, and the purpose of reducing the noise is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining fans, in particular to a low-noise and energy-saving mining fan. Background Art

[0002] Energy-saving mining fans are a type of axial flow fans. Due to the particularity of the industry in which they are used and the places where they are applicable, mining fans have significant differences in performance parameters and external dimensions from general axial flow fans. Mining fans are mainly used for mine ventilation.

[0003] After searching, the application with patent application number CN202021167835.3 discloses an energy-saving side-inlet, plate-type low-noise ventilator device for mining, the main body of which is a fan, which includes an air inlet end and an air outlet end, a square side air inlet device is installed on one side of the air inlet end of the fan, and a plate-type silencer is installed on one side of the air outlet end, wherein an air inlet is provided on the side air inlet device, the air inlet direction of the side air inlet device is perpendicular to the air inlet direction of the fan, and an air guide plate is also installed inside the side air inlet device along the air inlet direction, the end of the air guide plate is bent into an arc shape, facing the air inlet end of the fan, and the plate-type silencer includes a position installed at the air outlet end inside the fan, including an outer ring and a partition vertically set up inside the outer ring;

[0004] Although the mining energy-saving side-inlet, plate-type low-noise fan device is equipped with a side air inlet device, which can effectively reduce the fan noise by changing the original air inlet direction of the fan through the air inlets on the left and right sides, the mining energy-saving side-inlet, plate-type low-noise fan device cannot reduce the vibration and noise generated by the operation of its internal motor and transmission shaft.

[0005] Therefore, we proposed a low-noise and energy-saving mining fan. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a low-noise and energy-saving mining fan, which solves the problem that the prior art device cannot reduce the vibration and noise generated by the operation of its internal motor and transmission shaft.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a low-noise energy-saving mining energy-saving fan, comprising a fan body, a flange is fixedly installed at one end of the fan body for air inlet, and a first threaded hole is opened on the side of the flange;

[0008] The outer surface of the fan body is provided with a shock absorbing and noise reducing component;

[0009] The shock absorbing and noise reduction component includes a semicircular plate movably mounted on the outside of the fan body, a shock absorbing pad is pasted on the inner wall of the semicircular plate, the inner wall of the shock absorbing pad is in contact with the surface of the fan body, and a sound absorbing groove is provided on the inner wall of the shock absorbing pad.

[0010] Preferably, the sound absorbing grooves are hexagonal and distributed in a honeycomb shape on the inner wall of the shock absorbing pad, and the shock absorbing pad is made of soft rubber material, wherein the soft rubber material can absorb the vibration generated when the motor inside the fan body is running, and the noise inside the fan body can be absorbed through the sound absorbing grooves.

[0011] Preferably, a connecting plate is fixedly installed on the side of the semicircular plate, and a second threaded hole is opened through the top surface of the connecting plate. There are two semicircular plates in total, and the internal threads of the second threaded hole are sleeved with a first bolt. The first bolt thread is sleeved inside the second threaded hole to fix the two semicircular plates together, wherein the two semicircular plates can be fixed together by the first bolt.

[0012] Preferably, an arc-shaped plate is fixedly installed at one end of the semicircular plate close to the flange, and a third threaded hole is penetrated through the side wall of the arc-shaped plate. The internal threads of the third threaded hole and the first threaded hole are fitted with a second bolt, wherein the semicircular plate can be fixed on the flange by threading the second bolt into the third threaded hole and the first threaded hole in sequence, and then the two semicircular plates can be limited and fixed on the outside of the fan body.

[0013] Preferably, a mounting seat is fixedly installed on the bottom surface of the semicircular plate, a mounting plate is fixedly installed on the bottom surface of the mounting seat, mounting holes are opened through both ends of the mounting plate, wherein screws are passed through the mounting holes to fix the mounting plate in a specific position, and then the fan body is limited and fixed.

[0014] The utility model provides a low-noise and energy-saving mining fan. It has the following beneficial effects:

[0015] 1. The low-noise energy-saving mining fan fixes the shock-absorbing noise reduction component on the outer surface of the fan body, and uses the shock-absorbing pad to absorb the vibration generated by the operation of the motor inside the fan body, thereby preventing the vibration inside the fan body from being transmitted to the ground or wall around it, thereby causing these parts to vibrate violently and generate noise. The noise generated inside the fan body can be absorbed by the sound-absorbing groove, thereby achieving the purpose of reducing noise, and solving the problem that the existing device cannot reduce the vibration and noise generated by the operation of the internal motor and transmission shaft;

[0016] 2. The low-noise and energy-saving mining fan can fix the semicircular plate on the flange by threading the second bolt into the third threaded hole and the first threaded hole in sequence, and then limit the vibration-absorbing and noise-reducing component to the outside of the fan body, so as to avoid the vibration-absorbing and noise-reducing component shaking on the outer surface of the fan body and generating noise. Screws are used to pass through the mounting holes to fix the mounting plate in a specific position, and then the fan body is limit-fixed, thereby achieving the purpose of limit-fixing the fan body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the fan body structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the shock-absorbing and noise-reducing component of the utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the shock-absorbing and noise-reducing component of the utility model.

[0021] In the figure: 1. fan body; 2. flange; 3. first threaded hole; 4. shock-absorbing and noise reduction component; 41. semicircular plate; 42. shock-absorbing pad; 43. sound-absorbing groove; 44. connecting plate; 45. second threaded hole; 46. first bolt; 47. arc plate; 48. third threaded hole; 5. mounting seat; 6. mounting plate; 7. mounting hole; 8. second bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] like Figure 1-4As shown: it includes a fan body 1, a flange 2 is fixedly installed at one end of the fan body 1 for air inlet, a first threaded hole 3 is opened on the side of the flange 2, and a shock-absorbing noise reduction component 4 is arranged on the outer surface of the fan body 1. The shock-absorbing noise reduction component 4 includes a semicircular plate 41 movably mounted on the outside of the fan body 1, a shock-absorbing pad 42 is pasted on the inner wall of the semicircular plate 41, and the inner wall of the shock-absorbing pad 42 is fitted with the surface of the fan body 1. A sound-absorbing groove 43 is opened on the inner wall of the shock-absorbing pad 42, and the sound-absorbing groove 43 is hexagonal and distributed on the inner wall of the shock-absorbing pad 42 in a honeycomb shape. The shock-absorbing pad 42 is made of soft rubber. A connecting plate 44 is fixedly installed on the side of the semicircular plate 41, and a second threaded hole 45 is opened through the top surface of the connecting plate 44. There are two 41 in total, and the internal thread of the second threaded hole 45 is sleeved with a first bolt 46, and the first bolt 46 is threadedly sleeved inside the second threaded hole 45 to fix the two semicircular plates 41 together. By fixing the shock absorbing and noise reduction component 4 to the outer surface of the fan body 1, the shock absorbing pad 42 is used to absorb the vibration generated when the motor inside the fan body 1 is in operation, thereby preventing the vibration inside the fan body 1 from being transmitted to the ground or wall around it, thereby causing these parts to vibrate violently and generate noise. The noise generated inside the fan body 1 can be absorbed by the sound absorbing groove 43, thereby achieving the purpose of reducing noise, and solving the problem that the existing device cannot reduce the vibration and noise generated when the internal motor and transmission shaft are in operation;

[0025] Embodiment 2:

[0026] like Figure 1-3 As shown: an arc plate 47 is fixedly installed at one end of the semicircular plate 41 close to the flange 2, and a third threaded hole 48 is penetrated through the side wall of the arc plate 47, and the third threaded hole 48 and the first threaded hole 3 are internally threaded with a second bolt 8, a mounting seat 5 is fixedly installed on the bottom surface of the semicircular plate 41, and a mounting plate 6 is fixedly installed on the bottom surface of the mounting seat 5, and mounting holes 7 are penetrated at both ends of the mounting plate 6. By threading the second bolt 8 into the third threaded hole 48 and the first threaded hole 3 in sequence, the semicircular plate 41 can be fixed to the flange 2, and then the shock-absorbing and noise-reducing component 4 can be limited and fixed on the outside of the fan body 1, which can prevent the shock-absorbing and noise-reducing component 4 from shaking on the outer surface of the fan body 1 and generating noise, and a screw is used to pass through the mounting hole 7 to fix the mounting plate 6 at a specific position, and then the fan body 1 is limited and fixed, thereby achieving the purpose of limiting and fixing the fan body 1.

[0027] Working principle and use process of the utility model: When using the low-noise and energy-saving mining energy-saving fan, the two semicircular plates 41 are sleeved on both sides of the fan body 1, and then the first bolt 46 is threadedly sleeved inside the second threaded hole 45 on the two semicircular plates 41, and then the two semicircular plates 41 are fixed together, and then the second bolt 8 is threadedly sleeved in the third threaded hole 48 and the first threaded hole 3 in sequence to fix the semicircular plate 41 and the flange 2 together, and then the shock-absorbing and noise-reducing component 4 is fixed to the outer surface of the fan body 1, and the vibration generated by the operation of the motor inside the fan body 1 is absorbed by the shock-absorbing pad 42, thereby avoiding oscillation between the motor and other parts connected to it, and the noise inside the fan body 1 can be absorbed by the sound-absorbing groove 43.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A low-noise, energy-saving mining fan, comprising a fan body (1), a flange (2) being fixedly mounted on one end of the fan body (1) for air inlet, and a first threaded hole (3) being provided on a side surface of the flange (2); Features: The outer surface of the fan body (1) is provided with a shock absorbing and noise reducing component (4); The shock absorbing and noise reduction component (4) comprises a semicircular plate (41) movably mounted on the outside of the fan body (1); a shock absorbing pad (42) is adhered to the inner wall of the semicircular plate (41); the inner wall of the shock absorbing pad (42) is in contact with the surface of the fan body (1); and a sound absorbing groove (43) is provided on the inner wall of the shock absorbing pad (42).

2. A low-noise and energy-saving mining fan according to claim 1, characterized in that: The sound absorbing grooves (43) are hexagonal and distributed in a honeycomb shape on the inner wall of the shock absorbing pad (42); the shock absorbing pad (42) is made of soft rubber material.

3. A low-noise and energy-saving mining fan according to claim 1, characterized in that: A connecting plate (44) is fixedly mounted on the side of the semicircular plate (41), and a second threaded hole (45) is penetrated through the top surface of the connecting plate (44). There are two semicircular plates (41) in total, and a first bolt (46) is threadedly sleeved on the inner thread of the second threaded hole (45). The first bolt (46) is threadedly sleeved on the inner part of the second threaded hole (45) to fix the two semicircular plates (41) together.

4. A low-noise and energy-saving mining fan according to claim 1, characterized in that: An arc-shaped plate (47) is fixedly mounted on one end of the semicircular plate (41) close to the flange (2); a third threaded hole (48) is penetrated through the side wall of the arc-shaped plate (47); and a second bolt (8) is mounted on the internal threads of the third threaded hole (48) and the first threaded hole (3).

5. A low-noise and energy-saving mining fan according to claim 1, characterized in that: A mounting seat (5) is fixedly mounted on the bottom surface of the semicircular plate (41), a mounting plate (6) is fixedly mounted on the bottom surface of the mounting seat (5), and mounting holes (7) are formed through both ends of the mounting plate (6).

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