Explosion-proof fan

Abstract

The anti-explosion fan comprises an anti-explosion fan body, the anti-explosion fan body comprises an anti-explosion shell and an anti-explosion motor part installed in the anti-explosion shell, the anti-explosion motor part comprises a motor and an impeller, the motor is installed in the anti-explosion shell, the impeller is connected to the output end of the motor, and the exterior of the anti-explosion shell is connected with a supporting frame; the supporting frame comprises a movable supporting frame, the motor is installed in the explosion-proof shell through the installation structure, the installation structure comprises an extruded ring, a suspension assembly, a positioning piece and a positioning groove block, the positioning groove block is connected to the inner wall of the explosion-proof shell, the suspension assembly is connected to the outer portion of the motor, and the extruded ring and the positioning piece are both located in the explosion-proof shell. All the components are convenient to assemble and disassemble, and all the components are mutually promoted to cooperate and cooperate, so that all the structures are higher in practicability and connectivity; in addition, when the anti-explosion fan blows air, water vapor of blown air can be increased, and therefore the humidity of the using environment is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of explosion-proof fan, in particular to an explosion-proof fan. BACKGROUND

[0002] The explosion-proof fan is a special fan designed for safe operation in flammable and explosive environment. Its core goal is to prevent the fan from becoming an ignition source, thereby avoiding the occurrence of explosion accidents. The structure of the explosion-proof fan is designed to be explosion-proof. For example, the motor is an explosion-proof motor, and the shell is an insulating anti-static high-light material shell. When it works in an environment where explosive mixtures exist, it will not cause an explosion. The structures of the current explosion-proof fan are fixed and locked during assembly, which is not convenient for disassembly and assembly. In addition, there is a problem of dust layer heat dissipation. In a dust environment (such as flour mill, coal mill, wood processing plant, metal polishing workshop, etc.), even if the surface temperature of the motor is lower than the ignition temperature of the dust cloud, the dust layer deposited on the motor shell will have a heat insulation effect. The heat generated by the operation of the motor is difficult to dissipate, which may cause the internal temperature of the dust layer to continuously rise, eventually exceeding the smoldering temperature or the minimum ignition temperature of the dust, causing spontaneous combustion or explosion.

[0003] Therefore, we propose an explosion-proof fan to solve the above problems. SUMMARY

[0004] The purpose of the present application is to solve the problems existing in the prior art and provide an explosion-proof fan which is convenient to assemble and disassemble and can increase humidity.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0006] An explosion-proof fan, comprising an explosion-proof fan, the explosion-proof fan comprising an explosion-proof shell and an explosion-proof motor piece installed in the explosion-proof shell, the explosion-proof motor piece comprising a motor and an impeller, the motor being installed in the explosion-proof shell, the impeller being connected to the output end of the motor, and the motor being capable of driving the impeller to rotate when the motor is working to blow air outward from the explosion-proof shell, a support frame being connected to the outside of the explosion-proof shell, the support frame comprising a movable support frame, the movable support frame being capable of supporting the explosion-proof fan for placement and facilitating movement of the explosion-proof fan, the motor being installed in the explosion-proof shell through a mounting structure, the mounting structure comprising a squeezed ring, a suspension assembly, a positioning piece and a positioning groove block, the positioning groove block being connected to the inner wall of the explosion-proof shell, the suspension assembly being connected to the outside of the motor, and the squeezed ring and the positioning piece both being located in the explosion-proof shell.

[0007] Positioning grooves are formed in the four positioning groove blocks, and the positioning grooves are in communication with the two faces of the positioning groove blocks.

[0008] The suspension assembly comprises two clamping blocks, which are connected to the shell of the motor by bolts, so that the two clamping blocks are opposite to each other, and the two ends of the two clamping blocks are connected with suspension rods by bolts, and the end of the suspension rod away from the clamping block is connected with a convex block, and the convex block is inserted into the positioning groove.

[0009] The positioning member comprises a hollow ring, and four positioning blocks are arranged on the side of the hollow ring in a circumferential manner, and the positioning blocks are inserted into the positioning groove.

[0010] Preferably, the moving support frame comprises two V-shaped rods, and each V-shaped rod comprises a support rod A and a support rod B connected together, and an intermediate connecting piece is fixedly connected between the support rod A and the support rod B, and the two intermediate connecting pieces are connected to the explosion-proof shell by bolts, so that the explosion-proof shell is connected between the two intermediate connecting pieces and located between the two V-shaped rods, and it can be seen that the explosion-proof shell is supported in the moving support frame, and the two V-shaped rods each comprise a support rod A and a support rod B, which means that the support rod A and the support rod B each have two, and one of the support rod A and the support rod B is connected for use, and one end of the support rod A and the support rod B is connected together, so that the support rod A and the support rod B are V-shaped, and one end of each of the two support rod A and the two support rod B is connected with a bottom rod, and the bottom of each of the two bottom rods is connected with two moving wheels.

[0011] Preferably, a handle is connected between the two V-shaped rods, the handle comprises a handle rod, and a protective rubber layer is arranged on the surface of the middle section of the handle rod to prevent slipping and protect the handle rod from being scratched by the hands of the person carrying the handle rod and prevent the handle rod from slipping off, and a concave connecting block is fixedly connected to each end of the handle rod, and the two concave connecting blocks are connected to the outer sides of the included angles of the two V-shaped rods by connecting shafts, and the connecting shafts are located at the inner angles of the V-shaped rods, and the moving support frame can be carried and moved by the handle rod, and the moving wheels in the moving support frame can assist the moving support frame to slide.

[0012] Preferably, the moving support frame is connected with the explosion-proof shell through a connecting assembly, the connecting assembly comprises a concave connecting block connected to the intermediate connecting piece, a circular connecting disc is connected to the concave connecting block, a connecting bolt is fixedly connected to the middle position of the circular connecting disc, an arc-shaped groove is formed in the circular connecting disc, and a locking member is arranged in the arc-shaped groove, the locking member comprises a locking rod arranged in the arc-shaped groove, and a grommet and a locking disc are arranged on the locking rod, the grommet is sleeved on the locking rod, and the locking disc is connected to the end of the locking rod in a threaded manner.

[0013] In the assembly, two connecting bolts are respectively penetrated through two intermediate connecting pieces, that is, two intermediate connecting pieces are sleeved on the connecting bolts, since the concave connecting block is connected to the explosion-proof shell, and the circular connecting disc is connected to the concave connecting block, and further, the connecting bolt and the intermediate connecting piece can be moved, so that the explosion-proof shell can be moved between the two intermediate connecting pieces under the cooperation of the concave connecting block, the circular connecting disc and the connecting bolt, that is, the explosion-proof fan is movably connected between the two V-shaped rods, and further, the explosion-proof fan can be moved between the movable support frames. In addition, after the connecting bolt is penetrated through the intermediate connecting piece, a nut is connected to the connecting bolt in a threaded connection manner, the intermediate connecting piece and the circular connecting disc are connected together by tightening the nut, so that the intermediate connecting piece and the circular connecting piece are not easily rotated, so that the explosion-proof fan is not easily moved and the blowing angle is changed between the movable support frames.

[0014] Preferably, two ends of the explosion-proof shell are respectively connected with front blocking assembly A and front blocking assembly B, the front blocking assembly A comprises positioning ring A and protective net A, the front blocking assembly B comprises positioning ring B and protective net B, the positioning ring A and the positioning ring B both comprise ring body A and blocking piece, and the protective net A and the protective net B both comprise ring body B and net body.

[0015] Preferably, the blocking piece is fixedly connected to the inner circle position of the ring body A, and the blocking piece protrudes from the ring body A, the net body is connected to the inner circle of the ring body B, and the net body comprises a plurality of protective rings and a plurality of protective rods, the diameters of the plurality of protective rings are different, and the plurality of protective rings with different diameters are arranged in layers in order from small to large, and the plurality of protective rods are connected to the plurality of protective rings arranged in layers in the form of circumferential distribution. The front blocking assembly A and the front blocking assembly B are respectively connected to the air inlet and the air outlet positions of the explosion-proof shell to prevent foreign matters from entering the explosion-proof shell and affecting the normal work of the explosion-proof fan.

[0016] Preferably, the hollow ring surface is provided with a mounting hole, and the mounting hole is provided with an atomizing nozzle, the lower side of the explosion-proof fan is provided with a water box, the outer circle position of the hollow ring and the water box are respectively connected with water pipe connecting head A and water pipe connecting head B in a threaded connection manner, the water pipe connecting head A is first penetrated through the explosion-proof shell and then connected to the hollow ring when connected to the hollow ring, the water box and the hollow ring are connected through a communication pipe A, both ends of the communication pipe A are sleeved on the water pipe connecting head A and the water pipe connecting head B, respectively, the water box is provided with a water supply pump, the water supply pump is communicated with the water pipe connecting head B through a connecting pipe B, the water box is provided with a water filling pipe, the water filling pipe is provided with a sealing cover, and water can be added to the water box through the water filling pipe;

[0017] When it is needed to increase the water vapor in the blown gas, the water supply pump is controlled to start working, and the water in the water box is pumped and sent to the hollow ring through the connecting pipe B, the water pipe connector B, the connecting pipe A and the water pipe connector A, when the water fills in the hollow ring, the filled water is sprayed from the atomizing nozzle in the explosion-proof shell, and is blown out with the wind at the same time to increase the humidity of the gas blown by the explosion-proof fan.

[0018] Preferably, four accommodating grooves are formed in the top of the water box, and the explosion-proof shell is provided with plug blocks matched with the accommodating grooves, and the side of the water box is provided with a plug slot penetrating through the plug slot, the plug slot is communicated with the accommodating grooves, and a positioning plug rod A is matched in the plug slot.

[0019] When it is needed to connect the explosion-proof shell to the top of the water box, the plug blocks on the explosion-proof shell are inserted into the accommodating grooves, and the plug blocks are lower than the top of the accommodating grooves, then the positioning plug rod A is inserted into the plug slot and pressed on the top of the plug blocks, so that the plug blocks are not easy to be separated from the accommodating grooves, to realize the connection of the explosion-proof shell and the water box.

[0020] Preferably, a positioning hole is formed in the top of the water box, the positioning hole penetrates through the plug slot, a positioning plug rod B is matched in the positioning hole, a clamping hole is formed in the positioning plug rod A, the clamping hole is the same size as the positioning hole, when the positioning plug rod A is inserted into the plug slot to limit the plug blocks in the accommodating grooves, the clamping hole on the positioning plug rod A is matched with the positioning hole, then the positioning plug rod B is inserted into the positioning hole and the clamping hole, so that the positioning plug rod A is not easy to be separated from the plug slot, and the stability of the plug blocks in the accommodating grooves is further increased.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] The components in the present application are convenient to assemble and disassemble, and promote and cooperate with each other, so that the practicality and connection of the structures are stronger.

[0023] In addition, the explosion-proof fan can also increase the water vapor of the blown gas when blowing, so as to increase the humidity of the use environment, and the effects of active cooling and reducing dust deposition are achieved; wherein the active cooling: the atomized water mist is sprayed on the motor shell, a large amount of heat is taken away through the evaporation of water, the surface temperature of the motor shell is effectively reduced, and the motor shell can be kept below the safe temperature (lower than the lowest ignition temperature of the dust layer) even in the case of dust covering;

[0024] The continuous water mist can flush or moisten the surface of the motor shell, reduce the adhesion and accumulation of combustible dust on the surface of the motor, and reduce the risk of forming an insulating dust layer; the moist dust is relatively difficult to be ignited;

[0025] Solve the special adjustment of dust explosion prevention, compared with the gas environment, the dust environment under the explosion prevention (especially to prevent the dust layer from spontaneous combustion) is more demanding on temperature control, sometimes relying on the temperature class (T-Class) of explosion-proof motor is not enough to deal with the risk of overheating caused by dust deposition, especially in high dust concentration, poor ventilation area, if the accidental dust cloud is dispersed, the water mist can play a certain explosion suppression effect, the water mist provides an active, additional temperature control means;

[0026] In addition, in the explosion-proof shell, spray water mist, and combine with the air extraction in the explosion-proof shell, can further reduce the temperature of the environment where the motor is located, thereby cooling the motor during operation, preventing the motor temperature from being too high to affect the service life of internal components. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A shaft view of an explosion-proof fan is proposed in the present application;

[0028] Figure 2 A split view of the support frame and the explosion-proof fan; Figure 1

[0029] Figure 3 A split view of the support frame; Figure 2

[0030] Figure 4 A split view of the connection assembly; Figure 2

[0031] Figure 5 A split view of the front stop assembly A and the explosion-proof fan; Figure 2

[0032] Figure 6 A split view of the front stop assembly B and the explosion-proof fan; Figure 1

[0033] Figure 7 A split view of the explosion-proof shell and the explosion-proof motor part; Figure 6

[0034] Figure 8 Another view of the explosion-proof fan; Figure 7

[0035] Figure 9 A split view of the suspension assembly and the explosion-proof motor part; Figure 7

[0036] A schematic view of the explosion-proof fan and the water box connected in the present application Figure 10 Figure 1

[0037] Figure 11 A schematic view of the explosion-proof fan and the water box connected in the present application​​​​​​​​​Figure 2 ;

[0038] Figure 12 For Figure 11 Structure diagram of the middle water box;

[0039] Figure 13 For Figure 12 Split diagram of the top structure of the middle water box.

[0040] In the figure: 1, support frame; 110, handle; 111, handle rod; 112, concave connecting block; 120, moving support frame; 121, support rod A; 122, support rod B; 123, bottom rod; 124, middle connecting sheet; 126, moving wheel; 2, connecting assembly; 21, concave connecting block; 22, circular connecting disc; 221, arc-shaped groove; 23, connecting bolt; 24, locking piece; 241, locking rod; 242, grommet; 243, locking disc; 3, explosion-proof fan; 31, explosion-proof shell; 32, explosion-proof motor piece; 4, front blocking assembly A; 41, positioning ring piece A; 42, protective net A; 5, front blocking assembly B; 51, positioning ring piece B; 52, protective net B; 6, extrusion ring; 7, suspension assembly; 71, clamping block; 72, suspension rod; 73, convex block; 8, positioning piece; 81, hollow ring; 82, positioning block; 83, water pipe connector A; 9, positioning groove block; 10, water box; 101, water pipe connector B; 102, water filling pipe; 103, containing groove; 104, insertion slot; 105, positioning hole; 106, positioning insertion rod A; 107, positioning insertion rod B; 108, insertion block. DETAILED DESCRIPTION

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0042] In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0043] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all.

[0045] Referring to Figures 1-13 An explosion-proof fan, comprising an explosion-proof fan 3, the explosion-proof fan 3 comprising an explosion-proof shell 31 and an explosion-proof motor part 32 installed in the explosion-proof shell 31, the explosion-proof motor part 32 comprising a motor and an impeller, the motor being installed in the explosion-proof shell 31, the impeller being connected to the output end of the motor, and when the motor is working, the impeller can be driven to rotate to blow air outward from the explosion-proof shell 31, and a support frame 1 is connected outside the explosion-proof shell 31, the support frame 1 comprising a movable support frame 120, which can not only support the explosion-proof fan 3 to be placed, but also facilitate the movement of the explosion-proof fan 3, and the motor is installed in the explosion-proof shell 31 through a mounting structure;

[0046] The mounting structure comprises a squeezed ring 6, a suspension assembly 7, a positioning part 8 and a positioning groove block 9, the positioning groove block 9 being connected to the inner wall of the explosion-proof shell 31, the suspension assembly 7 being connected to the outside of the motor, and the squeezed ring 6 and the positioning part 8 both being located in the explosion-proof shell 31;

[0047] The suspension assembly 7 comprises two clamping blocks 71, the two clamping blocks 71 being respectively connected to the shell of the motor through bolts, so that the two clamping blocks 71 are oppositely arranged, and suspension rods 72 are connected to the two ends of the two clamping blocks 71 through bolts, a convex block 73 being connected to the end of the suspension rod 72 away from the clamping block 71, and the convex block 73 being inserted into the positioning groove;

[0048] The positioning part 8 comprises a hollow ring 81, four positioning blocks 82 being circumferentially arranged and connected to the side of the hollow ring 81, and the positioning blocks 82 being inserted into the positioning groove;

[0049] Four positioning grooves are formed in the positioning groove block 9, and the positioning grooves are connected through two faces of the positioning groove block.

[0050] Referring to Figures 1-13, an explosion-proof fan, when assembled, explosion-proof motor parts 32 are placed in the explosion-proof housing 31, and four convex blocks 73 are opposite four positioning groove blocks 9, then move the explosion-proof motor parts 32 and insert the convex blocks 73 in the positioning grooves respectively, at this time the state of the motor is supported in the explosion-proof housing 31 by four suspension rods 72, then place the hollow ring 81 in the explosion-proof housing 31, make the positioning blocks 82 correspond to the positioning groove blocks 9, and move the hollow ring 81 and insert the positioning blocks 82 in the positioning grooves, at the same time the hollow ring 81 contacts the four positioning groove blocks 9, and the opening of the four positioning grooves faces the stop, and then the convex blocks 73 and the positioning blocks 82 fill the positioning grooves, then place the extruded ring 6 in the explosion-proof housing 31 and extrude the hollow ring 81, and lock the extruded ring 6 and the explosion-proof housing 31 by bolts, so that the positioning blocks 82 on the hollow ring 81 extrude the convex blocks 73 in the positioning grooves to prevent them from being separated, to connect the suspension rods 72 and the explosion-proof housing 31, and to connect the motor in the explosion-proof housing 31 in a detachable manner by the suspension assembly 7.

[0051] Referring to Figures 1-13 , an explosion-proof fan, the moving support frame 120 includes two V-shaped rods, the V-shaped rod includes a support rod A21 and a support rod B122 connected together, and an intermediate connecting piece 124 fixedly connected between the support rod A21 and the support rod B122, the two intermediate connecting pieces 124 are connected to the explosion-proof housing 31 by bolts, so that the explosion-proof housing 31 is connected between the two intermediate connecting pieces 124 and located between the two V-shaped rods, it can be known that the explosion-proof housing 31 is supported in the moving support frame 120, the two V-shaped rods both include the support rod A21 and the support rod B122 means that the support rod A21 and the support rod B12 both have two, one of which is used in connection with the support rod A21 and the support rod B122, and one end of the support rod A21 and the support rod B122 is connected together, so that the support rod A21 and the support rod B122 are V-shaped, one end of the two support rod A21 and the same end of the two support rod B122 are both connected with the bottom rod 123, and the bottom of the two bottom rods 123 are both connected with two moving wheels 126.

[0052] Referring to Figures 1-13 , an explosion-proof fan, two V-shaped rods are connected with a handle 110, the handle 110 includes a handle rod 111, and a protective rubber layer is arranged on the surface of the middle position of the handle rod 111 to prevent slipping and protection, prevent the hands of the person carrying from being injured by friction with the handle rod 111 and prevent the carrying from slipping off, and the two ends of the handle rod 111 are fixedly connected with concave connecting blocks 112, the two concave connecting blocks 112 are respectively connected with the outside of the included angle of the two V-shaped rods through connecting shafts, and the connecting shafts are located at the inside angle position of the V-shaped rods, the moving support frame 120 can be carried and moved through the handle rod 111, and the moving wheels 126 in the moving support frame 120 can assist the moving support frame 120 to slide.

[0053] With reference to Figures 1-13 An explosion-proof fan, the mobile support frame 120 is connected with the explosion-proof shell 31 through the connecting assembly 2, the connecting assembly 2 comprises a concave connecting block 21 connected to the intermediate connecting piece 124, a circular connecting disc 22 is connected to the concave connecting block 21, and a connecting bolt 23 is fixedly connected to the middle position of the circular connecting disc 22, an arc-shaped groove 221 is formed in the circular connecting disc 22, and a locking piece 24 is arranged in the arc-shaped groove 221, the locking piece 24 comprises a locking rod 241 arranged in the arc-shaped groove 221, and a grommet 242 and a locking disc 243 are arranged on the locking rod 241, the grommet 242 is sleeved on the locking rod 241, and the locking disc 243 is connected to the end of the locking rod 241 in a threaded connection mode.

[0054] With reference to Figures 1-13 An explosion-proof fan, when assembled, two connecting bolts 23 respectively penetrate two intermediate connecting pieces 124, that is, the two intermediate connecting pieces 124 are sleeved on the connecting bolts 23, since the concave connecting block 21 is connected to the explosion-proof shell 31 and the circular connecting disc 22 is connected to the concave connecting block 21, and since the connecting bolt 23 and the intermediate connecting piece 124 can move, the explosion-proof shell 31 can move between the two intermediate connecting pieces 124 under the cooperation of the concave connecting block 21, the circular connecting disc 22 and the connecting bolt 23, that is, the explosion-proof fan 3 is movably connected between the two V-shaped rods, and further, the explosion-proof fan 2 can move between the mobile support frames 120, in addition, after the connecting bolt 23 penetrates the intermediate connecting piece 124, a nut is connected to the connecting bolt 23 in a threaded connection mode, the intermediate connecting piece 124 and the circular connecting disc 22 are connected together by tightening the nut, so that the intermediate connecting piece 124 and the circular connecting piece 22 are not easily rotated, so that the explosion-proof fan 3 is not easily moved between the mobile support frames 120 and the blowing angle is changed.

[0055] With reference to Figures 1-13 An explosion-proof fan, two front stop assemblies A4 and B5 are respectively connected to the two ends of the explosion-proof shell 31, the front stop assembly A4 comprises a positioning ring A41 and a protective net A42, the front stop assembly B5 comprises a positioning ring B51 and a protective net B52, the positioning ring A41 and the positioning ring B51 both comprise a ring body A and a stop block, the protective net A42 and the protective net B52 both comprise a ring body B and a net body, the stop block is fixedly connected to the inner ring position of the ring body A and protrudes from the ring body A, the net body is connected to the inner ring of the ring body B, and the net body comprises a plurality of protective rings and a plurality of protective rods, the diameters of the plurality of protective rings are different, and the plurality of protective rings are arranged in layers in order from small to large, and the plurality of protective rods are connected to the plurality of layered protective rings in a circumferential distribution mode.

[0056] With reference toFigures 1-13 When the front blocking assembly A4 is assembled with the explosion-proof housing 31, the ring body A in the positioning ring A41 is passed through the position of the inner wall of the air outlet of the explosion-proof housing 31, and then the ring body B in the protective net A42 is placed in the air outlet of the explosion-proof housing 31, and the ring body B is inserted between the four blocking blocks and the inner wall of the explosion-proof housing 31, and then the bolts are passed through the blocking blocks in the positioning ring A41 and the ring body B in the protective net A42 and are screwed to the explosion-proof housing 31.

[0057] When the front blocking assembly B5 is assembled with the explosion-proof housing 31, the ring body B in the protective net B52 is placed in the air inlet of the explosion-proof housing 31 and is pressed in the pressing ring 6, and then the ring body A in the positioning ring B51 is placed in the position of the inner wall of the air inlet of the explosion-proof housing 31, and then the four blocking blocks on the ring body A are inserted into the inner wall position of the ring body B in the protective net B52, and then the bolts are passed through the blocking blocks in the positioning ring B51 and the ring body B in the protective net B52 and are screwed to the explosion-proof housing 31.

[0058] In the above manner, the front blocking assembly A4 and the front blocking assembly B5 are respectively connected at the air inlet and the air outlet positions of the explosion-proof housing 31 to prevent foreign matters from entering the explosion-proof housing 31 and affecting the normal work of the explosion-proof fan 3.

[0059] Referring to Figures 1-13 The hollow ring 81 is provided with mounting holes on the surface, and the mounting holes are provided with atomizing nozzles. The water box 10 is arranged below the explosion-proof fan 3. The water pipe connector A83 and the water pipe connector B101 are respectively connected to the outer ring position of the hollow ring 81 in a threaded connection manner. The water pipe connector A83 is connected to the hollow ring 81 after penetrating the explosion-proof housing 31. The water box 10 and the hollow ring 81 are connected through the communication pipe A. The two ends of the communication pipe A are respectively sleeved on the water pipe connector A83 and the water pipe connector B101. The water box 10 is provided with a water supply pump. The water supply pump is communicated with the water pipe connector B101 through the connecting pipe B. The water box 10 is provided with a water injection pipe 102. The water injection pipe 102 is provided with a sealing cover. Water can be injected into the water box 10 through the water injection pipe 102.

[0060] When it is needed to increase the water vapor in the blown gas, the water supply pump is controlled to start working and the water in the water box 10 is pumped and sent to the hollow ring 81 through the connecting pipe B, the water pipe connector B101, the communication pipe A and the water pipe connector A83. When the water is filled in the hollow ring 81, the filled water is sprayed from the atomizing nozzles in the explosion-proof housing 31 and is blown out together with the wind to increase the humidity of the gas blown out by the explosion-proof fan 3.

[0061] Referring to Figures 1-13The explosion-proof fan is characterized in that: four accommodating grooves 103 are formed in the top of the water box 10, the outer side of the explosion-proof shell 31 is provided with plug blocks 108 matched with the accommodating grooves 103, and the side of the water box 10 is provided with a plug groove 104 penetrating the water box 10, the plug groove 104 is communicated with the accommodating grooves 103, and a positioning plug rod A 106 is matched in the plug groove 104; when the explosion-proof shell 31 needs to be connected to the top of the water box 10, the plug blocks 108 on the explosion-proof shell 31 are inserted into the accommodating grooves 103, the plug blocks 108 are lower than the top of the accommodating grooves 103, then the positioning plug rod A 106 is inserted into the plug groove 104 and pressed on the top of the plug blocks 108, so that the plug blocks 108 are not easy to be separated from the accommodating grooves 103, thereby realizing the connection of the explosion-proof shell 31 and the water box 10. In addition, the water box 10 can also increase the downward gravity; when the explosion-proof fan 3 is supported and used through the support frame 1, the movable wheels 126 are locked to prevent the explosion-proof fan 3 from moving, and the water box 10 increases the downward gravity to increase the resistance of the explosion-proof fan 3 to move.

[0062] The top of the water box 10 is provided with a positioning hole 105 penetrating the plug groove 104, a positioning plug rod B 107 is matched in the positioning hole 105, a clamping hole is formed in the positioning plug rod A 106, the clamping hole has the same specification as the positioning hole 105, when the positioning plug rod A 106 is inserted into the plug groove 104 to limit the plug blocks 108 in the accommodating grooves 103, the clamping hole on the positioning plug rod A 106 is matched with the positioning hole 105, then the positioning plug rod B 107 is inserted into the positioning hole 105 and the clamping hole, so that the positioning plug rod A 106 is not easy to be separated from the plug groove 104, and the stability of the plug blocks 108 in the accommodating grooves 103 is further increased.

[0063] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited to the above embodiment, and any change, modification, replacement, combination and simplification made without departing from the spirit and principle of the present application shall be equivalent replacement mode, which shall be included in the protection scope of the present application.

Claims

1. An explosion-proof fan, comprising an explosion-proof fan (3), the explosion-proof fan (3) comprising an explosion-proof housing (31) and an explosion-proof motor component (32) installed in the explosion-proof housing (31), the explosion-proof motor component (32) comprising a motor and an impeller, the motor being installed in the explosion-proof housing (31), the impeller being connected to the output end of the motor, and a support frame (1) being connected to the outside of the explosion-proof housing (31), the support frame (1) comprising a movable support frame (120), characterized in that, The motor is installed in the explosion-proof enclosure (31) by means of an installation structure, which includes a compression ring (6), a suspension assembly (7), a positioning element (8) and a positioning slot (9). The positioning slot (9) is connected to the inner wall of the explosion-proof enclosure (31), the suspension assembly (7) is connected to the outside of the motor, and the compression ring (6) and the positioning element (8) are both located in the explosion-proof enclosure (31). Each of the four positioning slot blocks (9) has a positioning slot, which penetrates and connects the two surfaces of the positioning slot block; The suspension assembly (7) includes two clamping blocks (71), which are respectively bolted to the motor housing. Both ends of the two clamping blocks (71) are bolted to a suspension rod (72). A protruding block (73) is connected to the end of the suspension rod (72) away from the clamping block (71), and the protruding block (73) is engaged with the positioning groove. The positioning component (8) includes a hollow ring (81), and four positioning blocks (82) arranged in a circle are connected to the side of the hollow ring (81), and the positioning blocks (82) are inserted into the positioning groove.

2. The explosion-proof fan according to claim 1, characterized in that, The movable support frame (120) includes two V-shaped rods, each including a support rod A (21) and a support rod B (122) connected together. An intermediate connecting piece (124) is fixedly connected between the support rod A (21) and the support rod B (122). The two intermediate connecting pieces (124) are bolted to the explosion-proof shell (31). One end of the two support rods A (21) and the same end of the two support rods B (122) are connected to a bottom rod (123). Two movable wheels (126) are connected to the bottom of the two bottom rods (123).

3. The explosion-proof fan according to claim 2, characterized in that, A handle (110) is connected between two V-shaped rods. The handle (110) includes a handle rod (111), and a protective rubber layer is arranged on the surface of the middle section of the handle rod (111). Both ends of the handle rod (111) are fixedly connected to concave connecting blocks (112). The two concave connecting blocks (112) are respectively connected to the outside of the included angle of the two V-shaped rods through connecting shafts, and the connecting shafts are located at the inner angle of the V-shaped rods.

4. The explosion-proof fan according to claim 2, characterized in that, The mobile support frame (120) is connected to the explosion-proof shell (31) via the connecting assembly (2). The connecting assembly (2) includes a concave connecting block (21) connected to the intermediate connecting piece (124). A circular connecting plate (22) is connected to the concave connecting block (21), and a connecting bolt (23) is fixedly connected to the middle position of the circular connecting plate (22). An arc groove (221) is provided on the circular connecting plate (22), and a locking member (24) is provided in the arc groove (221). The locking member (24) includes a locking rod (241) located in the arc groove (221), and a washer (242) and a locking disc (243) are on the locking rod (241). The washer (242) is sleeved on the locking rod (241), and the locking disc (243) is connected to the end of the locking rod (241) by a threaded connection.

5. An explosion-proof fan according to claim 1, characterized in that, The explosion-proof housing (31) has front windshield assembly A (4) and front windshield assembly B (5) connected to its two ends respectively. The front windshield assembly A (4) includes a positioning ring A (41) and a protective net A (42). The front windshield assembly B (5) includes a positioning ring B (51) and a protective net B (52). Both the positioning ring A (41) and the positioning ring B (51) include a ring body A and a stop block. Both the protective net A (42) and the protective net B (52) include a ring body B and a net body.

6. The explosion-proof fan according to claim 5, characterized in that, The stop block is fixedly connected to the inner ring of ring A and protrudes from ring A. The net body is connected to the inner ring of ring B. The net body includes several protective rings and several protective rods. The diameters of the protective rings are different, and the protective rings of different diameters are arranged in layers in order from small to large. The protective rods are connected to the layers of protective rings in a circumferential distribution.

7. An explosion-proof fan according to claim 1, characterized in that, The hollow ring (81) has an installation hole on its surface, and an atomizing nozzle is provided in the installation hole. A water box (10) is provided below the explosion-proof fan (3). The outer ring of the hollow ring (81) and the water box (10) are respectively connected by a threaded connection to a water pipe connector A (83) and a water pipe connector B (101). The water box (10) and the hollow ring (81) are connected by a connecting pipe A. The two ends of the connecting pipe A are respectively sleeved on the water pipe connector A (83) and the water pipe connector B (101). A water supply pump is provided in the water box (10). The water supply pump is connected to the water pipe connector B (101) through the connecting pipe B. A water injection pipe (102) is provided on the water box (10). The water injection pipe (102) has a sealing cap.

8. An explosion-proof fan according to claim 7, characterized in that, The top of the water box (10) is provided with four receiving slots (103). The outer side of the explosion-proof shell (31) is provided with a plug (108) that is adapted to the receiving slots (103). The side of the water box (10) is provided with a slot (104) that is connected to the receiving slots (103). A positioning plug A (106) is inserted into the slot (104).

9. An explosion-proof fan according to claim 8, characterized in that, The water box (10) has a positioning hole (105) on the top. The positioning hole (105) passes through the slot (104). A positioning rod B (107) is inserted into the positioning hole (105). A locking hole is opened on the positioning rod A (106). The locking hole has the same specifications as the positioning hole (105).

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