Fog gun with flow guide device and dust suppression vehicle

Abstract

The utility model discloses a fog gun with a flow guide device and a dust suppression vehicle, the fog gun with the flow guide device comprises a fog gun shell, and an air guide driving device, an air outlet flow guide device and an air inlet flow guide device which are arranged in a mounting cavity of the fog gun shell, and the air guide driving device comprises an impeller and a rotary driving piece; an output shaft of the rotary driving part faces an air inlet of the fog gun shell and is connected with an impeller, the air outlet flow guiding device is located on the side, back to the impeller, of the rotary driving part, and the air inlet flow guiding device is located on the side, facing the air inlet of the mounting shell, of the impeller and forms an obliquely-arranged air inlet channel. The air flows to the impeller at a certain inclination angle after passing through the air inlet flow guide device, so that the impeller can effectively act on the air, the output power of the rotary driving part is improved on the premise of not increasing the rotating speed of the impeller, the kinetic energy loss is less, and the noise is lower.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust suppression vehicles, and in particular relates to a fog cannon with a flow guide device and a dust suppression vehicle. Background Art

[0002] A fog cannon is a dust suppression device used to reduce air pollution. The spray device of the fog cannon can spray out fine water mist. The fan installed in the fog cannon is used to blow the water mist to a distant place to absorb dust particles suspended in the air, reduce the concentration of particulate matter in the air, and achieve the effect of suppressing dust and cleaning the air. It is often used in construction sites, transportation ports, mineral mining and other dusty work environments.

[0003] In the prior art, the impeller inlet of the fog cannon lacks an air intake guide, and the airflow rotates along the direction of rotation of the impeller before contacting the impeller. The relative speed between the impeller and the airflow is reduced, which makes it difficult for the impeller to exert force on the airflow. When the impeller speed is constant, the power of the impeller is low and the range of the fog cannon is short. In order to increase the power of the impeller, the speed of the impeller is usually increased to enhance the working capacity of the impeller. However, this also leads to an increase in the rotation speed of the airflow. During the rotation of the airflow, the guide vanes on the front side of the impeller will be impacted to cause kinetic energy loss. The faster the rotation speed of the airflow, the greater the kinetic energy loss, and strong noise will also be generated. Utility Model Content

[0004] In view of the above-mentioned defects or shortcomings, the utility model provides a fog cannon and a dust suppression vehicle with a guide device, aiming to solve the technical problems of low energy efficiency and high noise of existing fog cannons.

[0005] To achieve the above-mentioned purpose, the utility model provides a fog cannon with a guide device, wherein the fog cannon with a guide device comprises a fog cannon shell and an air guide drive device, an air outlet guide device and an air inlet guide device arranged in the installation cavity of the fog cannon shell, the air guide drive device comprises an impeller and a rotating drive member, the output shaft of the rotating drive member faces the air inlet of the fog cannon shell and is connected to the impeller, the air outlet guide device is located on the side of the rotating drive member facing away from the impeller, the air inlet guide device is located on the side of the impeller facing the air inlet of the installation shell, and the air inlet guide device forms an inclined air inlet channel.

[0006] In an embodiment of the utility model, the air inlet is arranged to be gradually tapered from the outside to the inside, the air inlet guide device includes a guide vane grid, the guide vane grid includes a mounting body and a plurality of guide blades, the mounting body includes a blade mounting portion placed in a mounting cavity and a guide cone portion provided on the blade mounting portion and located at the air inlet, the inner rings of the plurality of guide blades are arranged in sequence at intervals along the circumferential direction of the blade mounting portion, and the outer rings of the plurality of guide blades are respectively connected to the inner wall of the mounting cavity, and the tip of the guide cone portion is arranged outward.

[0007] In the embodiment of the utility model, the inner wall of the blade mounting portion facing the mounting cavity is formed with an annular mounting surface, the guide blade is in the shape of a straight plate, and has a large windward surface side and a large leeward surface side arranged oppositely, and the guide blade is inclined on the annular mounting surface so that the large windward surface side is arranged toward the outside of the fog cannon;

[0008] Alternatively, an annular mounting surface is formed on the inner wall of the blade mounting portion facing the mounting cavity, the guide vane is in the shape of a twisted plate that twists and extends from the blade root end toward the blade tip, the blade root end of the guide vane is connected to the annular mounting surface and is arranged parallel to the central axis of the annular mounting surface, and the twisting angle of the guide vane does not exceed 30°.

[0009] In an embodiment of the utility model, the fog cannon housing includes a main body and an air inlet portion, the main body and the air inlet portion are connected to each other to form an installation cavity, one end of the air inlet portion forms an air inlet, the other end of the air inlet portion is adjustably connected to the main body, one end of the main body away from the air inlet portion forms an air outlet, the air inlet guide device is arranged in the air inlet portion, and the wind guide drive device and the air outlet guide device are arranged in the main body.

[0010] In an embodiment of the utility model, an annular groove for the main body to extend into is formed at one end of the air inlet portion connected to the main body, a through position adjustment hole is formed on the side wall of the annular groove, and the position adjustment hole has at least two installation points arranged in sequence along the length direction of the air inlet portion, and a connecting hole corresponding to the installing point is formed on the main body, and the main body and the air inlet portion are detachably connected by a first fastener passing through the position adjustment hole and the connecting hole.

[0011] In an embodiment of the utility model, the outlet guide plate of the air outlet guide device is extended in the direction from the air inlet to the air outlet in the shape of a vertical plate, and the air guide drive device also includes a mounting sleeve placed in the mounting cavity and a driving guide plate extending from the outer peripheral wall of the mounting sleeve. The rotating drive member is placed in the mounting sleeve, the driving guide plate is connected to the inner wall of the fog cannon housing, and the driving guide plate is aligned with the outlet guide plate of the air outlet guide device.

[0012] In an embodiment of the utility model, the driving guide plate includes a first plate portion and a second plate portion which are arranged in sequence along the direction from the air inlet toward the air outlet, the second plate portion is aligned with the outlet guide plate of the air outlet guide device, and the first plate portion is bent and extended from the second plate portion toward the impeller, and the bending direction is opposite to the rotation direction of the impeller.

[0013] In an embodiment of the utility model, a connecting strip is extended from the side wall of the installation cavity, and one end of the driving guide plate away from the installation sleeve abuts against the connecting strip and is detachably connected to the connecting strip through a second fastener.

[0014] In an embodiment of the utility model, a first avoidance opening is formed on the mounting sleeve for extending the lifting ear of the rotating driving member, and a second avoidance opening is formed on the driving guide plate for accommodating the lifting ear. An arched reinforcement plate portion is also provided on the mounting sleeve, which spans the first avoidance opening and is connected to the driving guide plate at the top.

[0015] In order to achieve the above-mentioned object, the utility model also provides a dust suppression vehicle, wherein the dust suppression vehicle includes the above-mentioned fog cannon with a guide device.

[0016] Through the above technical solution, the fog cannon and dust suppression vehicle with a guide device provided by the embodiment of the utility model have the following beneficial effects:

[0017] When the above-mentioned fog cannon with a guide device is used, the rotary driving member in the wind guide driving device drives the impeller to rotate, driving the air to pass through the air inlet, the installation cavity and the air outlet of the fog cannon shell in sequence, and the installation cavity is provided with an air inlet guide device and an air outlet guide device which are respectively arranged corresponding to the air inlet and the air outlet, and the output shaft of the rotary driving member is arranged toward the air inlet, and the air inlet guide device forms an inclined air inlet channel. After the air passes through the air inlet guide device, it flows to the impeller at a certain inclined angle, so that the impeller can effectively act on the air, and the output power of the rotary driving member is increased without increasing the impeller rotation speed, thereby increasing the range of the fog cannon; after passing through the impeller, the air tends to spirally move, and the air outlet guide device is used to limit the circumferential movement of the air along the fog cannon shell, so that the air is concentrated and ejected in a straight line along the length direction of the fog cannon shell, and since there is no need to increase the impeller rotation speed, the rotation speed of the air in the installation cavity is also lower than that of the traditional fog cannon, and the kinetic energy loss of the air at the air outlet guide device is smaller, and the noise generated is lower.

[0018] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide an understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the structure of a fog cannon according to an embodiment of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a guide vane according to an embodiment of the utility model;

[0022] Figure 3 It is a schematic structural diagram of another guide vane according to an embodiment of the utility model;

[0023] Figure 4It is a three-dimensional diagram of a fog cannon according to one embodiment of the utility model;

[0024] Figure 5 It is a partial structural schematic diagram of an air guide drive device according to an embodiment of the utility model.

[0025] Description of Reference Numerals

[0026] 1 Fog cannon housing 11 Air inlet

[0027] 12 Air outlet 13 Installation cavity

[0028] 14 Main body 15 Air intake

[0029] 16 Position adjustment hole 2 Air guide drive device

[0030] 21 Impeller 22 Rotating drive element

[0031] 23 Install the sleeve 231 First avoidance

[0032] 24 driving guide plate 241 first plate portion

[0033] 242 second plate portion 243 second avoidance opening

[0034] 25 reinforcement plate 26 connection strip

[0035] 3 Exit guide device 31 Exit guide plate

[0036] 32 guide body 4 intake guide device

[0037] 41 mounting body 411 blade mounting portion

[0038] 412 guide cone 42 guide blade

[0039] 421 Leaf root 422 Leaf tip

[0040] 423 Windward side 424 Leeward side

[0041] 43 Intake channel DETAILED DESCRIPTION

[0042] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0043] The following describes the fog cannon with a flow guide device and the dust suppression vehicle of the present invention with reference to the accompanying drawings.

[0044] like Figure 1As shown, the utility model provides a fog cannon with a flow guide device, wherein the fog cannon with a flow guide device comprises:

[0045] The fog cannon housing 1 forms a mounting cavity 13 having an air inlet 11 and an air outlet 12;

[0046] The air guide driving device 2 is placed in the installation cavity 13 and includes an impeller 21 and a rotary driving member 22, wherein the output shaft of the rotary driving member 22 is arranged toward the air inlet 11 and is connected to the impeller 21;

[0047] The air outlet guide device 3 is placed in the installation cavity 13 and located on the side of the rotary drive member 22 facing away from the impeller 21;

[0048] The air inlet guide device 4 is disposed in the installation cavity 13 and is located on the side of the impeller 21 facing the air inlet 11 , and the air inlet guide device 4 is formed with an inclined air inlet channel 43 .

[0049] When the above-mentioned fog cannon with a guide device is used, the rotary driving member 22 in the wind guide driving device 2 drives the impeller 21 to rotate, driving the air to pass through the air inlet 11, the installation cavity 13 and the air outlet 12 of the fog cannon housing 1 in sequence, and the installation cavity 13 is provided with an air inlet guide device 4 and an air outlet guide device 3 respectively corresponding to the air inlet 11 and the air outlet 12, the output shaft of the rotary driving member 22 is arranged toward the air inlet 11, and the air inlet guide device 4 is formed with an inclined air inlet channel 43, and the air flows to the impeller 21 at a certain inclination angle after passing through the air inlet guide device 4, so that The impeller 21 can effectively act on the air, and the output power of the rotating drive member 22 is increased without increasing the rotation speed of the impeller 21, thereby increasing the range of the fog cannon. The air tends to spiral after passing through the impeller 21, and the air outlet guide device 3 is used to limit the circumferential movement of the air along the fog cannon housing 1, so that the air is concentrated and ejected in a straight line along the length direction of the fog cannon housing 1. Since there is no need to increase the rotation speed of the impeller 21, the rotation speed of the air in the installation cavity 13 is also lower than that of the traditional fog cannon, the kinetic energy loss of the air at the air outlet guide device 3 is smaller, and the noise generated is lower.

[0050] like Figure 1As shown, in the embodiment of the utility model, the air inlet 11 is gradually narrowed from the outside to the inside to facilitate the collection of air, and the air inlet guide device 4 includes a guide vane, and the guide vane includes a mounting body 41 and a plurality of guide vanes 42. The mounting body 41 includes a blade mounting portion 411 placed in the mounting cavity 13 and a guide cone 412 provided on the blade mounting portion 411 and located at the air inlet 11. The blade mounting portion 411 is formed with an annular mounting surface facing the inner wall of the mounting cavity 13. The inner rings of the plurality of guide vanes 42 are sequentially spaced along the annular mounting surface, and the outer rings of the plurality of guide vanes 42 are respectively connected to the inner wall of the mounting cavity 13, and the two adjacent ones are connected to the inner wall of the mounting cavity 13. The guide blades 42 form an air inlet channel 43. Due to the action of the wind guide drive device 2, the air has already had a certain rotation speed at the air inlet 11, and the rotation direction is the same as the rotation direction of the impeller 21. After the air enters the air inlet channel 43, due to the stopping effect of the guide blades 42, the air cannot continue to rotate, and the circumferential rotation speed is partially or completely offset. The speed direction of the air when entering the working area of ​​the impeller 21 is close to or completely perpendicular to the working surface of the impeller 21, so that the impeller 21 can effectively work on the air, thereby increasing the range of the fog cannon and maintaining the kinetic energy loss and noise generated by the fog cannon within a certain range.

[0051] like Figure 2 As shown, in some embodiments of the present application, the guide vane 42 is set in a straight plate shape, and has a relatively arranged windward large surface side 423 and a leeward large surface side 424, and the guide vane 42 is tilted on the annular mounting surface so that the windward large surface side 423 is arranged facing the outside of the fog cannon. For the straight plate-shaped guide vane 42, its blade root end 421 to the blade tip 422 all have a guiding effect on the intake airflow, so that the impeller 21 has a stronger working capacity, and the speed can be greatly reduced under the condition of unchanged driving power, thereby reducing the aerodynamic noise of the impeller 21. Further, the inclination angle of the guide vane 42 is between 10°-30°. In a specific embodiment of the utility model, the guide vane grid has 24 guide vanes 42, and the projections of adjacent guide vanes 42 partially overlap, and the inclination angle of the guide vane 42 is preferably 20°.

[0052] like Figure 3As shown, in some embodiments of the present application, the guide vane 42 is configured as a twisted plate extending from the blade root end 421 toward the blade tip 422, the blade root end 421 of the guide vane 42 is connected to the annular mounting surface and is parallel to the central axis of the annular mounting surface, and the twisting angle of the guide vane 42 does not exceed 30°. The twisted guide vane 42 has a blade root end 421 of 0°, and an inclination angle of the blade tip 422 between 10° and 30°. The blade root end 421 has less obstruction to the air inlet 11, and the air circulation is better, which can more effectively improve the range of the fog cannon. In a specific embodiment of the utility model, the guide vane grid has 24 guide vanes 42, and the inclination angle of the blade tip 422 is preferably 20°.

[0053] It should be noted that the above two types of guide blades 42 can both improve energy efficiency and reduce noise, but the two types of guide blades 42 have different emphases on range and noise. If you want the range of the fog cannon to be higher, you can use the spirally twisted guide blades 42. If you want the noise of the fog cannon to be lower, you can use the straight plate guide blades 42. The specific selection can be made according to the actual usage scenario.

[0054] Furthermore, the diameter of the blade mounting portion 411 can be close to or completely equal to the connecting portion of the impeller 21 (located at the center of the impeller 21 and used to connect the blades and the driving shaft of the rotating driving member 22). The tip of the guide cone 412 is arranged outward to reduce the resistance of the air intake guide device 4 to the air.

[0055] More specifically, the guide vane is connected to the fog cannon housing 1 by welding to ensure the reliability of the connection. Of course, the guide vane can also be installed by a card-mounted manner. A plurality of card-mounted grooves can be provided on the inner wall of the fog cannon housing 1. The top 422 of the guide vane 42 is correspondingly embedded in the card-mounted groove, and a cover plate is added to seal the card-mounted groove to achieve the fixation of the guide vane. Similarly, the installation of the guide vane 42 on the blade mounting portion 411 can also adopt the above-mentioned installation method.

[0056] like Figure 4As shown, in the embodiment of the utility model, the fog cannon housing 1 includes a main body 14 and an air inlet 15, the main body 14 and the air inlet 15 are connected together to form a mounting cavity 13, one end of the air inlet 15 forms an air inlet 11, the other end of the air inlet 15 is connected to the main body 14 at an adjustable distance, the end of the main body 14 away from the air inlet 15 forms an air outlet 12, the air inlet guide device 4 is arranged in the air inlet 15, and the wind guide drive device 2 and the air outlet guide device 3 are arranged in the main body 14. Then, through the split fog cannon housing 1, the installation position of the air inlet 15 can be changed, and then the distance between the guide vane and the impeller 21 can be adjusted, and the distance between the guide vane and the impeller 21 can be optimized according to the actual use environment and use requirements. It should be noted that the split housing provided by the utility model can be directly applied to the product or used as a separate test piece. The appropriate spacing between the guide vanes and the impeller 21 is first optimized, and then the obtained spacing between the guide vanes and the impeller 21 is applied to the integral fog cannon housing 1.

[0057] Specifically, the main body 14 is further configured as a detachable main air cylinder section and a guide air cylinder section, wherein an air guide driving device 2 is provided in the main air cylinder section, and an air outlet guide device 3 is provided in the guide air cylinder section, so as to facilitate the disassembly, assembly and maintenance of the fog cannon.

[0058] In the embodiment of the utility model, an annular groove is formed at one end of the air inlet 15 connected to the main body 14 for the main body 14 to extend into, a through position adjustment hole 16 is formed on the side wall of the annular groove, and the position adjustment hole 16 has at least two installation points arranged in sequence along the length direction of the air inlet 15, and a connecting hole corresponding to the installation point is formed on the main body 14, and the main body 14 and the air inlet 15 are detachably connected by a first fastener penetrating through the position adjustment hole 16 and the connecting hole. The first fastener includes a bolt and a nut, and the air inlet 15 can be prevented from loosening or tightened by screwing the bolt or the nut, so as to quickly adjust the position of the air inlet 15, and the position adjustment hole 16 is a waist-shaped hole extending along the length direction of the air inlet 15, so as to realize the stepless adjustment of the position of the air inlet 15. In addition, the air intake portion 15 can also be configured to extend into the main body portion 14, and a step surface is formed in the main body portion 14 to stop the air intake portion 15. By setting the above-mentioned position adjustment hole 16, connecting hole and first fastener, stepless adjustment of the air intake portion 15 can also be achieved.

[0059] like Figure 1 and Figure 5As shown, in the embodiment of the utility model, the outlet guide plate 31 of the outlet guide device 3 is extended in the direction from the air inlet 11 to the air outlet 12 in the shape of an upright plate, the air guide drive device 2 also includes a mounting sleeve 23 placed in the mounting cavity 13 and a driving guide plate 24 extending from the outer peripheral wall of the mounting sleeve 23, the rotary drive member 22 is placed in the mounting sleeve 23, the driving guide plate 24 is connected to the inner wall of the fog cannon housing 1, and the driving guide plate 24 is aligned with the outlet guide plate 31 of the outlet guide device 3. The output shaft of the rotary drive member 22 is arranged toward the guide vane, and the driving guide plate 24 flush with the outlet guide plate 31 can further suppress the rotation of the air and improve the spraying effect of the fog cannon.

[0060] Specifically, the mounting sleeve 23 includes a separately arranged arc plate portion and a straight plate portion, which are used to adapt to the arc housing and the mounting bottom surface of the rotary drive member 22, and the arc plate portion and the straight plate portion are both connected with a driving guide plate 24. Further, five driving guide plates 24 are sequentially arranged on the arc plate portion, and there is a 10mm gap between the arc plate portion and the motor, which does not affect the heat dissipation of the motor, and three driving guide plates 24 are sequentially arranged on the straight plate portion.

[0061] More specifically, the air outlet guide device 3 also includes a conical guide body 32, which is arranged on the side of the rotating drive member 22 away from the impeller 21, and a plurality of outlet guide plates 31 are arranged at intervals on the guide body 32, and the end surface of the outlet guide plate 31 facing the air outlet 12 is inclined inward and arranged in a serrated shape. After passing through the impeller 21, the air has a tendency to rotate, and the amount of gas on the outside is more, so the air guide effect can be further improved by the above-mentioned outlet guide plate 31 with a longer outer side and a shorter inner side. Furthermore, the guide body 32 is made of a sound-absorbing material.

[0062] In the embodiment of the utility model, the driving guide plate 24 includes a first plate portion 241 and a second plate portion 242 sequentially arranged in the direction from the air inlet 11 to the air outlet 12, the second plate portion 242 is aligned with the outlet guide plate 31 of the outlet air guide device 3, and the first plate portion 241 is bent and extended from the second plate portion 242 toward the impeller 21, and the bending direction is opposite to the rotation direction of the impeller 21. After passing through the impeller 21, the air first contacts the first plate portion 241, and then gradually transitions to the second plate portion 242 along the first plate portion 241, and the movement direction of the air changes more gently, which is conducive to improving the guide effect and reducing noise. Specifically, the inclination angle of the first plate portion 241 is preferably 30°.

[0063] It should be noted that the above angle is based on the length direction of the fog cannon housing 1 , and the inclination direction is opposite to the rotation direction of the impeller 21 .

[0064] In the embodiment of the utility model, a connecting strip 26 is provided on the side wall of the installation cavity 13, and one end of the driving guide plate 24 away from the installation sleeve 23 abuts against the connecting strip 26 and is detachably connected to the connecting strip 26 through a second fastener. By providing the connecting strip 26, the wind guide drive device 2 can be quickly disassembled and assembled, so as to facilitate the maintenance or replacement of the rotating drive member 22. Specifically, the connecting strip 26 is provided in an L shape, one side of which is welded to the side wall of the installation cavity 13, and the other side is formed with a plurality of connecting holes for inserting the second fastener.

[0065] The rotating drive member 22 of the fog cannon is usually configured as a driving motor and has a large size. Therefore, a lifting lug is provided on the rotating drive member 22 for easy transportation and installation. In the embodiment of the utility model, the mounting sleeve 23 is formed with a first avoidance opening 231 for the lifting lug of the rotating drive member 22 to extend out, and the driving guide plate 24 is formed with a second avoidance opening 243 for accommodating the lifting lug. The first avoidance opening 231 and the second avoidance opening 243 are combined to constitute an avoidance space for placing the lifting lug of the rotating drive member 22, and the openings of the first avoidance opening 231 and the second avoidance opening 243 face the outlet guide plate 31. In addition, in order to ensure the balance of the rotary drive member 22 during hoisting, the lifting lug is usually set in the middle position of the rotary drive member 22, so the first avoidance opening 231 and the second avoidance opening 243 also need to extend to the middle position of the installation sleeve 23 and the driving guide plate 24 accordingly, and the structural strength of the installation sleeve 23 and the driving guide plate 24 can be ensured by setting the arched reinforcing plate portion 25. The reinforcing plate spans the first avoidance opening 231 and the top end is connected to the driving guide plate 24, and the lifting lug can pass normally from the inner side of the reinforcing plate portion 25. Similarly, for the wiring port on the rotary drive member 22, the installation sleeve 23 and the driving guide plate 24 are also formed with a corresponding avoidance structure.

[0066] In order to achieve the above objectives, the utility model also provides a dust suppression vehicle, wherein the dust suppression vehicle includes the above-mentioned fog cannon with a guide device. Since the dust suppression vehicle adopts all the technical solutions of the above-mentioned embodiments, it has at least the same beneficial effects, which will not be described one by one here.

[0067] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0068] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0069] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0070] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A fog cannon with a guide device, characterized in that: The fog cannon with a flow guide device comprises: A fog cannon housing (1) forms a mounting cavity (13) having an air inlet (11) and an air outlet (12); An air guide drive device (2) is disposed in the installation cavity (13) and comprises an impeller (21) and a rotary drive member (22), wherein an output shaft of the rotary drive member (22) is arranged toward the air inlet (11) and is connected to the impeller (21); An air outlet guide device (3) is disposed in the installation cavity (13) and is located on a side of the rotary drive member (22) facing away from the impeller (21); An air intake guide device (4) is placed in the installation cavity (13) and is located on the side of the impeller (21) facing the air intake port (11), and the air intake guide device is formed with an inclined air intake channel (43).

2. The fog cannon with a flow guide device according to claim 1, characterized in that: The air inlet (11) is arranged to be gradually contracted from the outside to the inside, the air inlet guide device (4) comprises a guide vane, the guide vane comprises a mounting body (41) and a plurality of guide vanes (42), the mounting body (41) comprises a vane mounting portion (411) disposed in the mounting cavity (13) and a guide cone portion (412) disposed on the vane mounting portion (411) and located at the air inlet (11), the inner rings of the plurality of guide vanes (42) are arranged in sequence at intervals along the circumferential direction of the vane mounting portion (411), and the outer rings of the plurality of guide vanes (42) are respectively connected to the inner wall of the mounting cavity (13), and the tip of the guide cone portion (412) is arranged outwards.

3. The fog cannon with a flow guide device according to claim 2, characterized in that: The blade mounting portion (411) is formed with an annular mounting surface on the inner wall facing the mounting cavity (13); the guide blade (42) is in the shape of a straight plate and has a large windward surface side (423) and a large leeward surface side (424) arranged opposite to each other; the guide blade (42) is arranged obliquely on the annular mounting surface so that the large windward surface side (423) is arranged facing the outside of the fog cannon; Alternatively, the blade mounting portion (411) is formed with an annular mounting surface on the inner wall facing the mounting cavity (13); the guide blade (42) is in the shape of a twisted plate that twists and extends from the blade root end (421) toward the blade tip (422); the blade root end (421) of the guide blade (42) is connected to the annular mounting surface and is arranged parallel to the central axis of the annular mounting surface; and the twisting angle of the guide blade (42) does not exceed 30°.

4. The mist cannon with a flow guide device according to any one of claims 1 to 3, characterized in that: The fog cannon housing (1) comprises a main body (14) and an air inlet (15); the main body (14) and the air inlet (15) are connected to form the installation cavity (13); one end of the air inlet (15) forms the air inlet (11); the other end of the air inlet (15) is connected to the main body (14) at an adjustable distance; the end of the main body (14) facing away from the air inlet (15) forms the air outlet (12); the air inlet guide device (4) is arranged in the air inlet (15); and the wind guide drive device (2) and the air outlet guide device (3) are arranged in the main body (14).

5. The fog cannon with a flow guide device according to claim 4, characterized in that: An annular groove is formed at one end of the air inlet portion (15) connected to the main body portion (14) for the main body portion (14) to extend into, a through position adjustment hole (16) is formed on the side wall of the annular groove, and the position adjustment hole (16) has at least two mounting points arranged in sequence along the length direction of the air inlet portion (15), and a connecting hole corresponding to the mounting point is formed on the main body portion (14), and the main body portion (14) and the air inlet portion (15) are detachably connected by a first fastener penetrating the position adjustment hole (16) and the connecting hole.

6. The mist cannon with a flow guide device according to any one of claims 1 to 3, characterized in that: The outlet guide plate (31) of the air outlet guide device (3) is extended in the direction from the air inlet (11) to the air outlet (12) in the shape of an upright plate, the air guide drive device (2) further comprises a mounting sleeve (23) disposed in the mounting cavity (13) and a driving guide plate (24) extending from the outer peripheral wall of the mounting sleeve (23), the rotating drive member (22) is disposed in the mounting sleeve (23), the driving guide plate (24) is connected to the inner wall of the fog cannon housing (1), and the driving guide plate (24) is aligned with the outlet guide plate (31) of the air outlet guide device (3).

7. The fog cannon with a flow guide device according to claim 6, characterized in that: The driving guide plate (24) comprises a first plate portion (241) and a second plate portion (242) which are arranged in sequence in a direction from the air inlet (11) toward the air outlet (12); the second plate portion (242) is arranged to be aligned with the outlet guide plate (31) of the air outlet guide device (3); the first plate portion (241) is bent and extended from the second plate portion (242) toward the impeller (21), and the bending direction is opposite to the rotation direction of the impeller (21).

8. The fog cannon with a flow guide device according to claim 6, characterized in that: A connecting strip (26) is provided on the side wall of the installation cavity (13); one end of the driving guide plate (24) away from the installation sleeve (23) abuts against the connecting strip (26) and is detachably connected to the connecting strip (26) via a second fastener.

9. The fog cannon with a flow guide device according to claim 6, characterized in that: The mounting sleeve (23) is formed with a first avoidance opening (231) for the lifting ear of the rotary drive member (22) to extend out, and the driving guide plate (24) is formed with a second avoidance opening (243) for accommodating the lifting ear. The mounting sleeve (23) is also provided with an arched reinforcing plate portion (25), which spans the first avoidance opening (231) and is connected to the driving guide plate (24) at the top.

10. A dust suppression vehicle, characterized in that: The dust suppression vehicle comprises a fog cannon with a guide device according to any one of claims 1 to 9.

Images