Circulating fan suitable for coal dressing

Abstract

The utility model belongs to the field of circulating fans, and particularly relates to a circulating fan suitable for coal dressing, which comprises an outer main body, a mounting cover is arranged at the rear end of the outer main body, and an assembling mechanism is arranged between the outer main body and the mounting cover; the assembling mechanism comprises a motor, the motor is arranged at the front end of the outer main body, the motor is fixedly connected with the outer main body, the rear end of the motor penetrates through the front end of the outer main body to reach the interior of the outer main body, and the rear end of the motor is fixedly connected with a transmission rod; through the design of the assembling mechanism, the function that the impeller can be conveniently disassembled is achieved, and the problems that an existing fan is not provided with an assembly which can be conveniently disassembled, cleaned and overhauled, due to the fact that in the long-term use process of the fan, much coal dust is extremely prone to being accumulated on the surface of the impeller, if cleaning is not conducted in time, the draft force of the fan is extremely prone to being reduced, and the fan is damaged are solved. And meanwhile, the problem that the interior of the fan is easily blocked is solved, and the convenience of later maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circulating fan, concretely is circulating fan suitable for coal separation. BACKGROUND

[0002] The motor of the circulating fan is started, and the blades are driven to rotate, when the blades rotate, they hit the air, and air flow is generated, because the shape and angle of the blades are reasonably designed, the air flow is pushed out of the air outlet of the circulating fan, and at the same time, because of the flow of the air flow, the surrounding air is also sucked into the air inlet of the circulating fan.

[0003] The existing circulating fan suitable for coal separation can refer to the composite dry coal separation equipment with the application number CN200920266967.9, which comprises a coal separation sorting machine, a main fan, a cyclone dust collector combination, a bag type dust collector and connecting pipelines, and the main fan outlet pipeline is communicated with the lower opening of each air chamber of the coal separation sorting machine, the dust suction cover located at the upper part of the coal separation sorting machine is connected with the inlet side pipeline of the cyclone dust collector combination through the connecting pipeline, the outlet side pipeline of the cyclone dust collector combination is connected with a induced draft fan through the connecting pipeline, the outlet end of the induced draft fan is connected with the bag type dust collector, and the outlet end of the bag type dust collector is connected with the inlet of the main fan through the connecting pipeline.

[0004] The fan does not have the components that can be easily removed, cleaned and maintained, and the surface of the impeller is prone to accumulate a large amount of coal dust during long-term use, which can easily reduce the suction of the fan and cause blockage in the fan, so the circulating fan suitable for coal separation is provided. INVENTION CONTENTS

[0005] In order to make up for the shortcomings of the prior art, the existing fan does not have components that can be easily removed, cleaned and maintained, and the surface of the impeller is prone to accumulate a large amount of coal dust during long-term use, which can easily reduce the suction of the fan and cause blockage in the fan, so the circulating fan suitable for coal separation is provided.

[0006] The technical scheme adopted by the utility model to solve its technical problems is that the circulating fan suitable for coal separation comprises an outer main body, a cover is arranged at the rear end of the outer main body, an assembling mechanism is arranged between the outer main body and the cover, and the assembling mechanism comprises a rotating shaft, a rotating shaft sleeve and a rotating shaft sleeve cover.

[0007] The assembling mechanism comprises a motor, the motor is arranged at the front end of the outer body, the motor is fixedly connected with the outer body, the rear end of the motor passes through the front end of the outer body to reach the inside of the outer body, and the rear end of the motor is fixedly connected with a transmission rod, the inside of the transmission rod is inserted with an impeller, and the transmission rod is slidably connected with the impeller, the outside of the rear end of the transmission rod is sleeved with a threaded block, and the transmission rod is threadedly connected with the threaded block.

[0008] Preferably, the left and right sides of the outer body are also fixedly connected with second fixed blocks, the left and right sides of the mounting cover are also fixedly connected with first fixed blocks, the front end of the first fixed block is fixedly connected with a fixed insertion block, the fixed insertion block is inserted into the second fixed block, and the fixed insertion block is slidably connected with the second fixed block.

[0009] Preferably, the inside of the side end of the second fixed block is sleeved on the outside of the movable insertion block, and the second fixed block is slidably connected with the movable insertion block, one side of the movable insertion block is fixedly connected with a third fixed block, the outside of the movable insertion block is sleeved with a first reset spring, one end of the first reset spring is fixedly connected with the second fixed block, and the other end of the first reset spring is fixedly connected with the third fixed block.

[0010] Preferably, the upper and lower ends of the third fixed block are also fixedly connected with fourth fixed blocks, the fourth fixed blocks are sleeved on the outside of the first guide rod, and the fourth fixed blocks are slidably connected with the first guide rod.

[0011] Preferably, the front end of the third fixed block is fixedly connected with a first fixed seat, one end of a push rod is rotatably connected to the outside of the first fixed seat, the other end of the push rod is rotatably connected with a second fixed seat, and the front end of the second fixed seat is fixedly connected with a pressing plate.

[0012] Preferably, the left and right sides of the pressing plate are also sleeved with second guide rods, and the pressing plate is slidably connected with the second guide rods, the outside of the second guide rods is sleeved with a second reset spring, the rear end of the second reset spring is fixedly connected with the outer body, and the front end of the second reset spring is fixedly connected with the pressing plate.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model discloses the structural design of assembling mechanism, realized the function that can remove the impeller conveniently, solved the existing fan and did not set up the component that can remove the cleaning and overhauling conveniently, because the fan surface is extremely easy to gather more coal dust in the long -term use, if not cleaning in time, extremely easy to cause the pumping of fan to reduce, and simultaneously extremely easy to cause the problem of the inside of fan to be blocked, improved the convenience of later -stage maintenance.

[0015] 2. The utility model discloses a structure design of assembly mechanism, realized the function that can conveniently install, solved when installing, if not set up the component of convenient assembly, thereby when installing later, the problem of great difficulty, and not easy operation, increased the operation difficulty, improved the convenience of installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, according to these drawings, still can obtain other drawings.

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the first local section structure schematic diagram of the utility model;

[0019] Figure 3 It is the second local section structure schematic diagram of the utility model;

[0020] Figure 4 It is the Figure 1 enlarged structure schematic diagram of A in the utility model;

[0021] Figure 5 It is the Figure 1 enlarged structure schematic diagram of B in the utility model;

[0022] Figure 6 It is the Figure 2 enlarged structure schematic diagram of C in the utility model;

[0023] Figure 7 It is the Figure 2 enlarged structure schematic diagram of D in the utility model;

[0024] Figure 8 It is the Figure 2 enlarged structure schematic diagram of E in the utility model;

[0025] Figure 9 It is the Figure 3 enlarged structure schematic diagram of F in the utility model.

[0026] In the figure: 1, the outer body; 2, the rotating cover; 10, the motor; 11, the transmission rod; 12, the impeller; 13, the threaded block; 14, the first fixed block; 15, the fixed plug; 16, the second fixed block; 17, the movable plug; 18, the third fixed block; 19, the first return spring; 20, the fourth fixed block; 21, the first guide rod; 22, the first fixed seat; 23, the push rod; 24, the second fixed seat; 25, the pressing plate; 26, the second guide rod; 27, the second return spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-9 As shown in the figure, the circulating fan suitable for coal selection comprises an outer body 1; an installation cover 2 is arranged at the rear end of the outer body 1; and an assembling mechanism is arranged between the outer body 1 and the installation cover 2.

[0029] The assembling mechanism comprises a motor 10; the motor 10 is arranged at the front end of the outer body 1; the motor 10 is welded together with the outer body 1; the rear end of the motor 10 penetrates through the front end of the outer body 1 to reach the inside of the outer body 1; the rear end of the motor 10 is welded together with a transmission rod 11; an impeller 12 is inserted into the inside of the transmission rod 11; the transmission rod 11 is slidably connected with the impeller 12; a threaded block 13 is sleeved on the outer side of the rear end of the transmission rod 11; the transmission rod 11 is threadedly connected with the threaded block 13; and the threaded block 13 is circular in design.

[0030] When working, the threaded block 13 is rotated along the outer side of the transmission rod 11 until the threaded block 13 is completely separated from the outer side of the transmission rod 11; the impeller 12 is pulled to drive the impeller 12 to move along the inside of the transmission rod 11 until the impeller 12 is completely separated from the inside of the transmission rod 11; and then the impeller 12 is taken out.

[0031] Further, the second fixed block 16 is also welded together with the left and right sides of the outer body 1; the first fixed block 14 is also welded together with the left and right sides of the installation cover 2; the fixed plug 15 is welded together with the front end of the first fixed block 14; the fixed plug 15 is inserted into the inside of the second fixed block 16; the fixed plug 15 is slidably connected with the second fixed block 16; and the fixed plug 15 is circular in design.

[0032] When working, the installation cover 2 is pulled outwards to drive the fixed plug 15 to move outwards along the inside of the second fixed block 16 until the fixed plug 15 is completely separated from the second fixed block 16.

[0033] Further, the second fixed block 16 side end is internally sleeved outside the moving plug block 17, and the second fixed block 16 is slidably connected with the moving plug block 17, the moving plug block 17 is welded together on one side with the third fixed block 18, the moving plug block 17 is externally sleeved with the first return spring 19, one end of the first return spring 19 is welded together with the second fixed block 16, and the other end of the first return spring 19 is welded together with the third fixed block 18, and the moving plug block 17 is designed as an inclined surface;

[0034] In work, the third fixed block 18 drives the moving plug block 17 to move along the inner wall of the second fixed block 16 until the end of the moving plug block 17 completely separates from the side end position of the fixed plug block 15, and the third fixed block 18 moves while pulling the first return spring 19 to extend.

[0035] Further, the upper and lower ends of the third fixed block 18 are also welded together with the fourth fixed block 20, the fourth fixed block 20 is sleeved outside the first guide rod 21, and the fourth fixed block 20 is slidably connected with the first guide rod 21, the first guide rod 21 is welded together on one side with the second fixed block 16, and the first guide rod 21 is designed as a circular rod;

[0036] In work, the third fixed block 18 moves, driving the fourth fixed block 20 to move along the outside of the first guide rod 21.

[0037] Further, the front end of the third fixed block 18 is welded together with the first fixed seat 22, the first fixed seat 22 is rotatably connected with one end of the push rod 23 outside, the other end of the push rod 23 is rotatably connected with the second fixed seat 24, the front end of the second fixed seat 24 is welded together with the pressing plate 25, and the inner wall of the push rod 23 is designed as a circle;

[0038] In work, when the pressing plate 25 moves, the second fixed seat 24 is also moved, and the second fixed seat 24 drives the push rod 23 to rotate along the outside of the second fixed seat 24, and at the same time, the push rod 23 rotates along the outside of the first fixed seat 22, and at the same time, the push rod 23 pushes the third fixed block 18 to move outward.

[0039] Further, the left and right sides of the pressing plate 25 are also sleeved with the second guide rod 26, and the pressing plate 25 is slidably connected with the second guide rod 26, the second guide rod 26 is externally sleeved with the second return spring 27, the rear end of the second return spring 27 is welded together with the outer main body 1, the front end of the second return spring 27 is welded together with the pressing plate 25, and the second guide rod 26 is designed as a circular rod;

[0040] In work, the pressing plate 25 is pressed to the motor 10 position, driving the pressing plate 25 to move along the outside of the second guide rod 26, and at the same time, the second return spring 27 is squeezed to shrink.

[0041] Working principle: when need to be removed, first press the pressing plate 25 to the motor 10 position, drive the pressing plate 25 along the second guide rod 26 outside move, extrude the second reset spring 27 shrink, and when the pressing plate 25 moves, drive the second fixed seat 24 move, and the second fixed seat 24 drive the push rod 23 along the second fixed seat 24 outside rotate, while the push rod 23 along the first fixed seat 22 outside rotate, push the third fixed block 18 move outward, and when the third fixed block 18 moves, drive the fourth fixed block 20 along the first guide rod 21 outside move, while the third fixed block 18 drive the moving block 17 along the second fixed block 16 inner wall move, until the moving block 17 one end completely separate from the fixed block 15 side end position, and the third fixed block 18 move while pulling the first reset spring 19 extend, then pull the mounting cover 2 outward, drive the fixed block 15 along the second fixed block 16 inside move outward, until completely separate, then rotate the threaded block 13 along the transmission rod 11 outside, until the threaded block 13 completely separate from the transmission rod 11 outside, pull the impeller 12 drive the impeller 12 along the transmission rod 11 inside move, until completely separate from the transmission rod 11 inside, the impeller 12 is taken out.

[0042] When need to be installed, the fixed block 15 of the first fixed block 14 front end is inserted along the second fixed block 16 inside, and the second fixed block 16 insertion will extrude the moving block 17 along the second fixed block 16 inside move outward, until completely inserted, under the first reset spring 19 rebound force makes the moving block 17 automatically rebound to the original position, so that the fixed block 15 position is fixed.

[0043] The above shows and describes the basic principle, main features and advantages of the present application. The skilled in the art should understand that the present application is not limited to the above examples, the above examples and the description in the specification is just to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application.

Claims

1. A circulating fan suitable for coal selection, comprising an outer main body (1); characterized in that: The outer body (1) rear end is provided with mounting cover (2), the outer body (1) and mounting cover (2) between setting assembly mechanism; The assembly mechanism includes motor (10), the motor (10) is arranged in the outer body (1) front end, the motor (10) and outer body (1) fixed connection, the motor (10) rear end penetrates the outer body (1), the motor (10) rear end fixed connection has transmission rod (11), the transmission rod (11) slidingly connected with impeller (12), the transmission rod (11) near the outer side of the rear end screw connection has screw block (13), the outer body (1) both sides are fixedly connected with second fixed block (16), the mounting cover (2) both sides are fixedly connected with first fixed block (14).

2. A recirculating fan suitable for use in coal preparation according to claim 1 characterised in that: The first fixed block (14) front end fixedly connected with fixed plug block (15), the fixed plug block (15) and second fixed block (16) slidingly connected.

3. A recirculating fan suitable for use in coal preparation according to claim 2 characterised in that: The second fixed block (16) side end's inside slidingly connected with mobile plug block (17), the mobile plug block (17) fixedly connected with third fixed block (18), the mobile plug block (17) outside is provided with first return spring (19), and both ends of the first return spring (19) are fixedly connected with second fixed block (16) and third fixed block (18) respectively.

4. A recirculating fan suitable for use in coal preparation according to claim 3 characterised in that: The third fixed block (18) upper and lower ends are fixedly connected with fourth fixed block (20), the fourth fixed block (20) slidingly connected with first guide rod (21), and the first guide rod (21) is fixedly connected with second fixed block (16).

5. A recirculating fan suitable for use in coal preparation according to claim 4 characterised in that: The third fixed block (18) front end fixedly connected with first fixed seat (22), the first fixed seat (22) outside rotatably connected with push rod (23), the push rod (23) rotatably connected with second fixed seat (24), and the second fixed seat (24) front end fixedly connected with pressing plate (25).

6. A recirculating fan suitable for use in coal preparation according to claim 5 characterised in that: The pressing plate (25) both sides are slidingly connected with second guide rod (26), the second guide rod (26) outside is provided with second return spring (27), and both ends of the second return spring (27) are fixedly connected with outer body (1) and pressing plate (25) respectively.

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