WO2023216644A1 - 一种超声波发生装置及混凝土成型系统 - Google Patents
一种超声波发生装置及混凝土成型系统 Download PDFInfo
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- WO2023216644A1 WO2023216644A1 PCT/CN2023/071614 CN2023071614W WO2023216644A1 WO 2023216644 A1 WO2023216644 A1 WO 2023216644A1 CN 2023071614 W CN2023071614 W CN 2023071614W WO 2023216644 A1 WO2023216644 A1 WO 2023216644A1
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- air
- shaft body
- pressure
- generating device
- air inlet
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- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 13
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000003584 silencer Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
Definitions
- Embodiments of the present application relate to, but are not limited to, the field of material processing, and in particular, to an ultrasonic generating device and a concrete forming system.
- Common vibrators include eccentric, centrifugal and reciprocating vibrators. These vibration modes will cause large periodic loads on components, resulting in damage to bearings, breakage of screws or damage to components.
- a roller-shaped pneumatic vibrator when compressed air of a certain pressure is connected to the air inlet joint, the strong compressed gas will blow the rollers on the track, causing them to rotate at high speed on the track, thereby generating vibration force;
- the structure in a pneumatic turbine vibrator, the structure includes an extruded aluminum alloy shell. An eccentric rotor is installed through a bearing in the shell. An air inlet and an exhaust hole are provided above the shell, which can produce periodic changes in direction and excite the vibration. Vibration with constant vibration force.
- the air inlet on the casing is connected to an air supply device for introducing high-pressure airflow into the interior of the casing.
- a shaft is relatively fixed inside the casing, and a rotating vibration member is set on the shaft.
- the shaft body positions the rotating vibrating part.
- the rotating vibrating part is affected by the air flow and will rotate, and vibrates during the rotation to generate ultrasonic waves.
- the shaft body is provided with a main air channel and a nozzle hole.
- the third part of the main air channel One end is connected to the air inlet, so that part of the air flow introduced by the air inlet enters the main air channel.
- the second end of the main air channel is connected to the air blow hole.
- the air blow hole is set at the position of the shaft body corresponding to the rotating vibration member.
- the air blow hole is used for spraying.
- the air flows out and forms an air film between the rotating vibrating part and the shaft body.
- the air film separates the rotating vibrating part and the shaft body, achieving the purpose of air suspension. It is equivalent to the rotating vibrating part being suspended on the shaft body, and the air film between the two.
- the first end of the shaft body is provided with an air inlet assembly
- the air inlet assembly includes an air inlet end cover
- the first end of the shaft body is inserted into the air inlet end cover
- the air inlet end cover is inserted into the air inlet end cover.
- a first air guide hole is provided, and the first air guide hole connects the main air channel with the air inlet of the housing.
- a flow guide ring is provided on the side of the air inlet end cover close to the rotating vibration member, and a second air guide hole is opened in the flow guide ring.
- the second air guide hole guides the air flow from the air inlet.
- the rotating vibrating part is rotated to push the rotating vibrating part to rotate.
- an annular first air flow channel is formed between the air inlet end cover and the inner wall of the housing, and both the first air guide hole and the second air guide hole pass through the first air flow channel and the air inlet Mouth connected.
- two ends of the second air guide hole are respectively opened on two sides of the flow guide ring, and the second air guide hole extends spirally along the axial direction of the flow guide ring.
- a pressure-maintaining component is provided at the second end of the shaft body.
- the pressure-maintaining component is used to balance the air pressure on both sides of the rotating vibrating member to axially position the rotating vibrating member.
- the pressure-maintaining assembly includes a pressure-maintaining gas outlet ring, the peripheral side of the pressure-maintaining gas outlet ring is connected to the inner wall of the housing, the pressure-maintaining gas outlet ring is sleeved on the shaft, and the pressure-maintaining gas outlet ring and A second airflow channel is left between the shaft bodies.
- an elastic pressure-maintaining plate is provided on the side of the pressure-maintaining air outlet ring away from the rotating vibration member.
- the elastic pressure-maintaining plate is sleeved and fixedly connected to the shaft body, and an elastic air outlet is provided on the elastic pressure-maintaining plate.
- the size of the elastic air outlet changes with the air pressure inside the housing.
- embodiments of the present application provide a concrete forming system, including a concrete mixer, an air supply device and an ultrasonic generating device according to any one of the first aspects.
- the ultrasonic generating device is provided on the concrete mixer and is used to make the concrete mixer The concrete is vibrated into shape; the air supply device is used to provide pure gas to the ultrasonic generating device.
- the concrete forming system provided by the embodiment of the present application also has the same technical effect because it includes the ultrasonic generating device in the first aspect, that is, by arranging the air injection hole connected with the air inlet of the casing, the rotating vibration part and the shaft are An air film is formed between the two bodies, thereby reducing the friction between the two and reducing wear, thereby extending the service life of the device.
- Figure 1 is a schematic structural diagram of the concrete forming system provided by the embodiment of the present application.
- Figure 3 is a schematic structural diagram of the rotating vibration component of the ultrasonic generating device provided by the embodiment of the present application.
- Figure 4 is a schematic structural diagram of the air inlet end cover of the ultrasonic generating device provided by the embodiment of the present application;
- Figure 5 is a schematic three-dimensional structural diagram of the flow guide ring of the ultrasonic generating device provided by the embodiment of the present application;
- Figure 6 is a schematic diagram of the end of the guide ring of the ultrasonic generating device provided by the embodiment of the present application.
- Figure 7 is a schematic diagram of the peripheral side of the flow guide ring of the ultrasonic generating device provided by the embodiment of the present application.
- Figure 9 is a schematic structural diagram of the elastic pressure retaining plate of the ultrasonic generating device provided by the embodiment of the present application.
- 1-ultrasonic generating device 11-casing; 111-air inlet; 112-fixed part; 12-rotating vibration part; 121-installation sleeve; 122-elastic blade; 13-shaft body; 131-main airway; 132-injection hole; 14-air inlet assembly; 141-air inlet end cover; 1411-sealing part; 1412-air guide part; 1413-first air guide hole; 142-flow guide ring; 1421-second air guide hole; 15 -First air flow channel; 16-pressure maintaining component; 161-pressure maintaining air outlet ring; 1611-second air flow channel; 162-connector; 163-elastic pressure-maintaining plate; 1631-pressure-maintaining plate body; 1632-elastic part; 1633- Elastic air outlet; 17-muffler end cover; 171-third air guide hole; 18-elastic retaining ring; 19-mounting seat; 191-fixed bottom plate; 192-movable hoop;
- first and second are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the embodiments of this application, unless otherwise specified, "plurality" means two or more.
- orientation terms such as “upper”, “lower”, “left” and “right” are defined relative to the orientations in which the components in the drawings are schematically placed. It should be understood that these directions sexual terms are relative concepts and they are used for relative description and clarification, which may change accordingly according to changes in the orientation of the components in the drawings.
- connection should be understood in a broad sense.
- connection can be a fixed connection, a detachable connection, or an integral body; it can be a direct connection. , can also be connected indirectly through intermediaries.
- the terms “comprising”, “comprises” or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also Includes other elements not expressly listed or elements inherent to the process, method, article or apparatus.
- an element defined by the statement “comprises a" does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element.
- Embodiments of the present application provide a concrete forming system, which mainly processes concrete materials through vibrating machinery to increase the fluidity of concrete materials to facilitate forming and at the same time increase the compactness of concrete.
- the vibration machine transmits vibration energy of a certain frequency, amplitude and excitation force to the concrete material, which greatly reduces the adhesion and internal friction in the concrete material, making it appear in a heavy liquid state. Due to the sinking of the aggregate under its own weight Drop and arrange, eliminate the gas in the concrete mixture, eliminate the gaps, so that the aggregate and cement slurry can be densely arranged and effectively filled.
- the concrete forming system provided by the embodiment of the present application includes a concrete mixer 2, an air supply device 3 and an ultrasonic generating device 1.
- the ultrasonic generating device 1 is provided on the concrete mixer 2 and is used to vibrate the concrete in the concrete mixer 2. Molding; the gas supply device 3 is used to provide pure gas to the ultrasonic generating device 1.
- the embodiment of the present application provides an ultrasonic wave generating device 1.
- the ultrasonic wave generating device 1 provided by the embodiment of the present application includes a housing 11, a rotating vibration member 12 and a shaft 13.
- the housing 11 is provided with The air inlet 111; the rotating vibration member 12 is provided in the housing 11 for vibrating during rotation to generate ultrasonic waves; the shaft 13 is relatively fixed to the housing 11, and the rotating vibration member 12 is sleeved on the shaft 13 and rotates The vibrator 12 and the shaft 13 can rotate relative to each other.
- the shaft 13 is provided with a main air channel 131 and a jet hole 132.
- the first end of the main air channel 131 is connected to the air inlet 111, and the second end of the main air channel 131 is connected to the air jet.
- Hole 132, the air jet hole 132 is provided at the position of the shaft body 13 corresponding to the rotating vibration member 12.
- the air jet hole 132 is used to spray air flow and form an air film between the rotating vibration member 12 and the shaft body 13.
- the air inlet 111 on the housing 11 is connected to the air supply device 3 for introducing high-pressure airflow into the interior of the housing 11.
- a shaft 13 is relatively fixed inside the housing 11.
- the rotary vibration member 12 is set on the body 13, and the shaft body 13 positions the rotary vibration member 12.
- the rotary vibration member 12 will rotate under the influence of the air flow, and vibrate during the rotation to generate ultrasonic waves.
- the shaft body 13 is provided with There is a main air channel 131 and a blow hole 132.
- the first end of the main air channel 131 is connected with the air inlet 111, so that part of the air flow introduced by the air inlet 111 enters the main air channel 131.
- the second end of the main air channel 131 is connected with the air inlet 111.
- the air injection hole 132 is provided at the position of the shaft 13 corresponding to the rotating vibration member 12.
- the air injection hole 132 is used to eject air and form an air film between the rotating vibration member 12 and the shaft 13.
- the air film will move the rotating vibration member 12 is separated from the shaft body 13 to achieve the purpose of air suspension, which is equivalent to the rotating vibration part 12 being suspended on the shaft body 13.
- the friction between the two is greatly reduced, and the wear of the rotating vibration part 12 is reduced accordingly, thereby extending the
- the service life of the device is compared with solutions in the related art in which components are subject to heavy loads and are prone to wear and tear.
- the ultrasonic generating device 1 of the present application is provided with an air jet hole 132 to form an air film between the rotating vibration member 12 and the shaft 13 , thereby reducing the friction between the two and reducing wear, thereby extending the service life of the device.
- the present application does not limit the shape of the casing 11, such as prismatic, square, cylindrical, etc.
- the casing 11 is cylindrical, and the airflow flows from the casing. One end of the body 11 flows toward the other end to drive the rotating vibration member 12 to move.
- this application does not limit the position of the air inlet 111.
- the air inlet 111 is provided at the end of the housing 11; for another example, the air inlet 111 is provided at the peripheral side of one end of the housing 11.
- the air inlet 111 is provided on the peripheral side of one end of the housing 11, and the air inlet 111 protrudes from the surface of the housing 11, so as to facilitate the air inlet 111 and the air supply.
- the rotating vibration component 12 includes a mounting sleeve 121 and a plurality of elastic blades 122.
- the inner diameter of the mounting sleeve 121 is larger than the outer diameter of the corresponding position of the shaft 13.
- the mounting sleeve 121 is sleeved on the shaft 13.
- the mounting shaft The elastic blades 122 are fixedly connected to the outer peripheral side of 13.
- a plurality of elastic blades 122 are in a circular array about the axis of the mounting sleeve 121.
- the elastic blades 122 and the mounting sleeve 121 The axes are set at an angle.
- the nozzle hole 132 can be a square hole or a round hole; the nozzle hole 132 can be a constant diameter hole or a variable diameter hole.
- the jet holes 132 are circular equal-diameter holes.
- the plurality of air blow holes 132 are evenly distributed along the circumferential direction of the shaft body 13.
- the air jet holes 132 eject airflow in multiple directions to apply forces in multiple directions to the rotating vibrating member 12 to balance the forces in each radial direction of the rotating vibrating member 12 , thereby achieving radial positioning of the rotating vibrating member 12 .
- the mounting sleeve 121 is provided with stress-bearing surfaces corresponding to the two jet hole groups, and the force-bearing surfaces are The plane is perpendicular to the axis of the jet hole 132 on the corresponding side.
- the airflow ejected from the two jet hole groups will produce two forces on the mounting sleeve 121. These two forces are along the axis of the mounting sleeve 121.
- the force components are equal in value and opposite in direction, so that the air flow ejected from the blow hole 132 can not only realize the radial positioning of the rotating vibrating member 12 , but also realize the axial positioning of the rotating vibrating member 12 .
- an air inlet assembly 14 is provided at the first end of the shaft 13, that is, An air inlet assembly 14 is provided at one end of the housing 11 where the air inlet 111 is provided.
- the air inlet assembly 14 includes an air inlet end cover 141. The first end of the shaft 13 is inserted into the air inlet end cover 141. There is an opening in the air inlet end cover 141.
- the first air guide hole 1413 communicates the main air channel 131 with the air inlet 111 of the housing 11 .
- the end of the housing 11 can be closed or open. In order to facilitate the assembly of various components in the housing 11, refer to Figure 2. In an embodiment of the present application, the housing 11 Both ends are open, so that the air inlet assembly 14, the rotating vibration member 12, etc. can be put into and assembled from the end of the housing 11.
- the present application does not limit the shape of the air inlet end cover 141.
- the air inlet end cover 141 is in the shape of a boss, and the end with the larger radial cross-sectional area is the seal. part 1411, the end with the smaller radial cross-sectional area is the air guide part 1412, the peripheral side of the sealing part 1411 is in contact with the inner wall of the housing 11, so as to seal the first end of the housing 11, and the air guide part of the air inlet end cover 141
- the air guide portion 1412 is disposed close to the rotating vibration member 12 , and the first air guide hole 1413 is opened on the peripheral side of the air guide portion 1412 .
- the air intake assembly 14 also includes a flow guide ring 142.
- the flow guide ring 142 is disposed on the side of the air intake end cover 141 close to the rotating vibration member 12.
- the flow guide ring 142 A second air guide hole 1421 is opened in the ring 142 .
- the second air guide hole 1421 guides the air flow from the air inlet 111 to the rotating vibration member 12 to promote the rotation of the rotating vibration member 12 .
- the air inlet end cover 141 and the inner wall of the housing 11 are An annular first airflow channel 15 is formed therebetween. Specifically, the first airflow channel 15 is surrounded by the sealing portion 1411 of the air inlet end cover 141, the air guide portion 1412 of the air inlet end cover 141, the housing 11 and the guide ring 142. Combined, the first air guide hole 1413 and the second air guide hole 1421 are both connected to the air inlet 111 through the first air flow channel 15 .
- the flow guide ring 142 In order to enable the flow guide ring 142 to generate more airflows, referring to Figures 5 to 8, in one embodiment of the present application, there are multiple second air guide holes 1421, and the plurality of second air guide holes 1421 surround the flow guide ring. 142 in a circular array on the central axis to generate multiple airflows toward the rotating vibrating member 12, so that the multiple elastic blades 122 of the rotating vibrating member 12 are forced to vibrate. For example, there are two second air guide holes 1421.
- both ends of the second air guide hole 1421 are respectively opened in the guide ring. 142, and the second air guide holes 1421 extend spirally along the axial direction of the guide ring 142. That is, the two second air guide holes 1421 are arranged at an angle with the busbar of the guide ring 142, so that the second guide holes 1421 are arranged at an angle with the busbar of the guide ring 142.
- the airflow from the air hole 1421 blows vertically toward the elastic blade 122 to ensure the vibration frequency and rotation speed of the rotating vibration member 12, thereby achieving the most efficient use of the airflow in the second air guide hole 1421.
- first air guide holes 1413 there are multiple first air guide holes 1413 , and the plurality of first air guide holes 1413 are evenly distributed along the circumferential direction of the air inlet end cover 141 .
- first air guide holes 1413 there are four first air guide holes 1413.
- the four first air guide holes 1413 are distributed along the radial direction of the air guide part 1412, forming a cross-shaped layout.
- the air inlet 111 is opposite to one of the first air guide holes 1413. Yes, the first air guide hole 1413 not only connects the main air channel 131 but also connects everywhere in the first air flow channel 15 to balance the air flow velocity.
- a pressure maintaining component 16 is provided at the second end of the shaft body 13, and the pressure maintaining component 16 is used to balance the rotating vibration member 12 The air pressure on both sides is used to position the rotating vibration member 12 in the axial direction.
- the pressure-maintaining assembly 16 includes a pressure-maintaining air outlet ring 161.
- the peripheral side of the pressure-maintaining air outlet ring 161 is connected to the inner wall of the housing 11.
- the pressure-maintaining air outlet ring 161 is sleeved on the shaft 13, and the pressure-maintaining air outlet ring 161 and the shaft body There is a second airflow channel 1611 between 13.
- a second airflow channel 1611 is provided so that the airflow can flow out, which not only ensures the flow of the airflow in a certain direction, but also creates a back pressure to position the rotating vibration member 12 in the axial direction.
- the pressure-maintaining air outlet ring 161 can be fixed in the casing 11 by snapping, bonding, welding, etc., refer to Figure 2, in an embodiment of the present application, a plurality of positioning holes are opened on the housing 11 corresponding to the position of the pressure-maintaining air outlet ring 161, and a connector 162 is provided in the positioning hole to fix the housing 11 and the pressure-maintaining air outlet ring 161.
- the connecting parts 162 can be positioning pins, screws, etc., and are fixed by the connecting parts 162 to facilitate disassembly, assembly and maintenance.
- the pressure-maintaining component 16 also includes an elastic pressure-maintaining plate 163.
- the elastic pressure-maintaining plate 163 is disposed on the side of the pressure-maintaining air outlet ring 161 away from the rotating vibration member 12.
- the elastic pressure-maintaining plate 163 is sleeved and fixedly connected to the shaft 13.
- the elastic pressure-maintaining plate 163 is An elastic air outlet 1633 is provided on 163, and the size of the elastic air outlet 1633 changes with the air pressure in the housing 11.
- the elastic pressure-maintaining plate 163 is in the shape of a disc.
- the elastic pressure-maintaining plate 163 includes a pressure-maintaining plate body 1631 connected to the shaft 13.
- the pressure-maintaining plate body 1631 is provided with a plurality of elastic parts. 1632.
- the gap between the elastic part 1632 and the pressure retaining plate body 1631 forms an elastic air outlet 1633.
- the elastic part 1632 is in the shape of a long strip.
- the elastic part 1632 is freely disposed at one end away from the shaft body 13. When the airflow flows through the second airflow channel 1611, , encountering the elastic pressure retaining plate 163, the air flow forms a certain pressure on the elastic part 1632.
- the pressure causes the elastic part 1632 to deform and protrude toward the direction of the air flow, thereby increasing the area of the elastic air outlet 1633.
- the elastic part 1632 returns to the initial state by relying on its own elastic force, and the area of the elastic air outlet 1633 decreases accordingly, thereby achieving the purpose of the elastic pressure-maintaining plate 163 adapting to the air flow pressure, thereby generating a stable back pressure, so that the pressure-maintaining component 16 is in
- the air pressure is small or large, the air pressure balance on both sides of the rotating vibration member 12 can be ensured.
- a silencer end cover 17 is also provided.
- the silencer end cover 17 is arranged away from the elastic pressure maintaining plate 163.
- the silencer end cover 17 is fixedly connected to the housing 11, and the silencer end cover 17 is provided with a plurality of third air guide holes 171.
- the third air guide holes 171 are arranged in a circular array around the central axis of the silencer end cover 17. So that the airflow is finally guided to the outside of the housing 11 through the third air guide hole 171 .
- the silencer end cover 17 is provided with an elastic spring on the side away from the rotating vibration member 12.
- the retaining ring 18 is clamped on the inside of the housing 11, and the silencer end cover 17 is against the elastic retaining ring 18.
- the air inlet end cover 141 can also be provided with a retaining ring on the side away from the rotating vibration member 12. 18. Position the air inlet end cover 141 in a similar manner.
- the present application does not limit the form of the shaft body 13.
- the shaft body 13 is a three-section stepped shaft, and the first section of the shaft body 13 has a larger diameter. , this section cooperates with the pressure-maintaining air outlet ring 161 and the elastic pressure-maintaining plate 163 in the pressure-maintaining assembly 16.
- the second section of the shaft body 13 has a moderate diameter.
- the air jet hole 132 is provided on this section and cooperates with the rotating vibration member 12.
- the shaft body 13 The third section of 13 has a smaller diameter and is used to cooperate with the guide ring 142 and extend into the air inlet end cover 141.
- the second end of the shaft 13 can be fixed to the silencer end cover 17 or can be connected to the silencer end cover 17.
- the cover 17 is provided integrally.
- the ultrasonic generating device 1 also includes a mounting base 19, and the mounting base 19 includes a fixed bottom plate 191 and a movable hoop 192.
- the housing 11 is clamped in the movable hoop 192.
- the fixed bottom plate 191 can be fixed to the concrete mixer 2 through fasteners such as bolts.
- the movable hoop 192 includes a fixed block 1921 and a movable block that can interlock with each other. 1922.
- the fixed block 1921 is fixedly connected to the fixed bottom plate 191.
- One end of the movable block 1922 and the fixed block 1921 is hinged, and the other end is connected through a fastener.
- the peripheral side of the housing 11 A groove-shaped fixed portion 112 is provided, and the movable block 1922 and the fixed block 1921 are provided with matching protrusions corresponding to the fixed portion 112 to axially limit the housing 11 within the movable hoop 192 .
- the shaft 13 on which the rotating vibration member 12 is set is provided with an air injection hole 132 connected with the air inlet 111.
- An air film is formed between 12 and the shaft body 13, thereby reducing friction between the two and reducing wear, thereby extending the service life of the device.
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Abstract
一种超声波发生装置（1），包括壳体（11）、旋转振动件（12）和轴体（13），壳体（11）设置有进气口（111）；旋转振动件（12）设置于壳体（11）内，用于在旋转过程中振动以产生超声波；轴体（13）与壳体（11）相对固定，旋转振动件（12）套设在轴体（13）上，旋转振动件（12）与轴体（13）可相对旋转，轴体（13）上开设有主气道（131）和喷气孔（132），主气道（131）的第一端连通进气口（111），主气道（131）的第二端连通喷气孔（132），喷气孔（132）设置于轴体（13）对应旋转振动件（12）的位置，喷气孔（132）用于喷出气流并在旋转振动件（12）和轴体（13）之间形成气膜。一种混凝土成型系统，包括混凝土搅拌机（2）、前述超声波发生装置（1）以及供气装置（3），超声波发生装置（1）用于在混凝土搅拌过程中产生超声波振动。超声波发生装置（1）及混凝土成型系统不易磨损，使用寿命长。
Description
相关申请的交叉引用
本申请基于申请号为202210505691.5、申请日为2022年05月10日、发明名称为“一种超声波发生装置及混凝土成型系统”的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
本申请实施例涉及但不限于物料处理领域，尤其涉及一种超声波发生装置及混凝土成型系统。
振动器常用于混凝土搅拌等物料处理场合，通常振动器采用电力或气流驱动，工作部分是一棒状空心圆柱体，内部装有偏心振子，在电动机带动下高速转动而产生高频微幅的振动。
常见的振动器有偏心式、离心式和往复式，这些振动方式都会对部件造成较大的周期性载荷，从而引起轴承的损坏、螺丝的断裂或者部件的损伤。例如在一种滚柱形气动振动器中，当进气接头接入一定压力的压缩空气后，强压缩气体会吹动轨道上的滚柱，使之在轨道上高速旋转，从而产生振动力；又例如在一种气动涡轮振动器中，结构包括挤压成型的铝合金壳体，壳体内通过轴承设置有偏心转子，壳体上方设置有空气入口和排气孔，可以产生方向周期变化，激振力不变的振动。
上述方案中，由于滚柱做高速离心旋转运动，对滚柱及器座的磨损较大，定期需更换，造成后期维护复杂，使用有局限，气动涡轮振动器也由 于轴承承受巨大的周期性振动，造成轴承需定期更换，因此如何降低设备磨损，提高设备使用寿命成了亟待解决的问题。
发明内容
本申请实施例提供的超声波发生装置及混凝土成型系统，具有不易磨损，使用寿命长的优点。
第一方面，本申请实施例提供一种超声波发生装置，包括壳体、旋转振动件和轴体，壳体设置有进气口；旋转振动件设置于壳体内，用于在旋转过程中振动以产生超声波；轴体与壳体相对固定，旋转振动件套设在轴体上，旋转振动件与轴体可相对旋转，轴体上开设有主气道和喷气孔，主气道的第一端连通进气口，主气道的第二端连通喷气孔，喷气孔设置于轴体对应旋转振动件的位置，喷气孔用于喷出气流并在旋转振动件和轴体之间形成气膜。
本申请实施例提供的超声波发生装置，壳体上的进气口连接供气装置，用于将高压气流导入到壳体内部，壳体内部相对固定有轴体，轴体上套设旋转振动件，轴体对旋转振动件进行定位，旋转振动件受到气流的影响会产生旋转，并在旋转过程中振动以产生超声波，此外，轴体上开设有主气道和喷气孔，主气道的第一端连通进气口，以使进气口导入的一部分气流进入主气道中，主气道的第二端连通喷气孔，喷气孔设置于轴体对应旋转振动件的位置，喷气孔用于喷出气流并在旋转振动件和轴体之间形成气膜，气膜将旋转振动件和轴体隔开，达到空气悬浮的目的，相当于旋转振动件悬浮在轴体上，两者之间的摩擦大幅减小，旋转振动件的磨损随之降低，从而延长了装置的使用寿命，与相关技术中部件受载荷大，易磨损的方案相比，本申请的超声波发生装置，由于设置了喷气孔，在旋转振动件和轴体之间形成气膜，从而减小两者之间的摩擦，降低磨损，进而延长了装置的使用寿命。
在本申请的一种可能的实现方式中，喷气孔有多个，多个喷气孔沿轴体的环向均匀分布。
在本申请的一种可能的实现方式中，喷气孔的轴线沿轴体的径向设置。
在本申请的一种可能的实现方式中，轴体的第一端设置有进气组件，进气组件包括进气端盖，轴体的第一端插入进气端盖，进气端盖内开设有第一导气孔，第一导气孔将主气道和壳体的进气口连通。
在本申请的一种可能的实现方式中，进气端盖靠近旋转振动件一侧设置有导流环，导流环内开设有第二导气孔，第二导气孔将进气口的气流导向旋转振动件，以推动旋转振动件旋转。
在本申请的一种可能的实现方式中，进气端盖和壳体的内壁之间形成有环形的第一气流通道，第一导气孔和第二导气孔均通过第一气流通道和进气口连通。
在本申请的一种可能的实现方式中，第二导气孔有多个，多个第二导气孔绕导流环的中心轴线圆形阵列。
在本申请的一种可能的实现方式中，第二导气孔的两端分别开设于导流环的两个侧面，且第二导气孔沿导流环的轴向螺旋延伸。
在本申请的一种可能的实现方式中，第一导气孔有多个，多个第一导气孔沿进气端盖的环向均匀分布。
在本申请的一种可能的实现方式中，轴体的第二端设置有保压组件，保压组件用于平衡旋转振动件两侧的气压，以对旋转振动件轴向定位。
在本申请的一种可能的实现方式中，保压组件包括保压出气环，保压出气环的周侧和壳体内壁连接，保压出气环套设于轴体，且保压出气环和轴体之间留有第二气流通道。
在本申请的一种可能的实现方式中，保压出气环远离旋转振动件一侧设置有弹性保压板，弹性保压板套设并固定连接于轴体，弹性保压板上设 置有弹性出风口，弹性出风口的尺寸随壳体内的气压变化。
第二方面，本申请实施例提供一种混凝土成型系统，包括混凝土搅拌机、供气装置和第一方面中任一项的超声波发生装置，超声波发生装置设置于混凝土搅拌机上，用于使混凝土搅拌机中混凝土被振动成型；供气装置用于向超声波发生装置提供纯净气体。
本申请实施例提供的混凝土成型系统，由于包含了第一方面中的超声波发生装置，因此也具有相同的技术效果，即通过设置与壳体进气口连通的喷气孔，在旋转振动件和轴体之间形成气膜，从而减小两者之间的摩擦，降低磨损，进而延长了装置的使用寿命。
图1为本申请实施例提供的混凝土成型系统的结构示意图；
图2为本申请实施例提供的超声波发生装置的剖切结构示意图；
图3为本申请实施例提供的超声波发生装置的旋转振动件的结构示意图；
图4为本申请实施例提供的超声波发生装置的进气端盖的结构示意图；
图5为本申请实施例提供的超声波发生装置的导流环的三维结构示意图；
图6为本申请实施例提供的超声波发生装置的导流环的端部示意图；
图7为本申请实施例提供的超声波发生装置的导流环的周侧示意图；
图8为本申请实施例提供的超声波发生装置的导流环的剖切示意图；
图9为本申请实施例提供的超声波发生装置的弹性保压板的结构示意图；
图10为本申请实施例提供的超声波发生装置的轴体和消音端盖的结构示意图；
图11为本申请实施例提供的超声波发生装置的安装座的结构示意图。
附图标记：
1-超声波发生装置；11-壳体；111-进气口；112-固定部；12-旋转振动件；121-安装轴套；122-弹性叶片；13-轴体；131-主气道；132-喷气孔；14-进气组件；141-进气端盖；1411-密封部；1412-导气部；1413-第一导气孔；142-导流环；1421-第二导气孔；15-第一气流通道；16-保压组件；161-保压出气环；1611-第二气流通道；162-连接件；163-弹性保压板；1631-保压板本体；1632-弹性部；1633-弹性出风口；17-消音端盖；171-第三导气孔；18-弹性挡圈；19-安装座；191-固定底板；192-活动抱箍；1921-固定块；1922-活动块；2-混凝土搅拌机；3-供气装置。
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请的具体技术方案做进一步详细描述。以下实施例用于说明本申请，但不用来限制本申请的范围。
在本申请实施例中，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请实施例的描述中，除非另有说明，“多个”的含义是两个或两个以上。
此外，在本申请实施例中，“上”、“下”、“左”以及“右”等方位术语是相对于附图中的部件示意置放的方位来定义的，应当理解到，这些方向性术语是相对的概念，它们用于相对于的描述和澄清，其可以根据附图中部件所放置的方位的变化而相应地发生变化。
在本申请实施例中，除非另有明确的规定和限定，术语“连接”应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或成一体；可以是直接相连，也可以通过中间媒介间接相连。
在本申请实施例中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
在本申请实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其他实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
本申请实施例提供了一种混凝土成型系统，主要通过振动机械处理混泥土物料，用于使混凝土物料的流动性增大以便于成型，同时增加混凝土的密实性。具体的，振动机械将一定频率、振幅和激振力的振动能量传给混凝土物料，使其中的粘着力和内摩擦力大大降低，使之呈现重质液体状态，由于骨料在自重作用下沉落和排列，排除混凝土拌合物中的气体，消除空隙，使骨料和水泥浆得到致密的排列和有效的填充。
参照图1，本申请实施例提供的混凝土成型系统，包括混凝土搅拌机2、供气装置3和超声波发生装置1，超声波发生装置1设置于混凝土搅拌机2上，用于使混凝土搅拌机2中混凝土被振动成型；供气装置3用于向超声波发生装置1提供纯净气体。
在此基础上，本申请实施例提供一种超声波发生装置1，参照图2，本申请实施例提供的超声波发生装置1包括壳体11、旋转振动件12和轴体13，壳体11设置有进气口111；旋转振动件12设置于壳体11内，用于在旋转过程中振动以产生超声波；轴体13与壳体11相对固定，旋转振动件 12套设在轴体13上，旋转振动件12与轴体13可相对旋转，轴体13上开设有主气道131和喷气孔132，主气道131的第一端连通进气口111，主气道131的第二端连通喷气孔132，喷气孔132设置于轴体13对应旋转振动件12的位置，喷气孔132用于喷出气流并在旋转振动件12和轴体13之间形成气膜。
本申请实施例提供的超声波发生装置1，壳体11上的进气口111连接供气装置3，用于将高压气流导入到壳体11内部，壳体11内部相对固定有轴体13，轴体13上套设旋转振动件12，轴体13对旋转振动件12进行定位，旋转振动件12受到气流的影响会产生旋转，并在旋转过程中振动以产生超声波，此外，轴体13上开设有主气道131和喷气孔132，主气道131的第一端连通进气口111，以使进气口111导入的一部分气流进入主气道131中，主气道131的第二端连通喷气孔132，喷气孔132设置于轴体13对应旋转振动件12的位置，喷气孔132用于喷出气流并在旋转振动件12和轴体13之间形成气膜，气膜将旋转振动件12和轴体13隔开，达到空气悬浮的目的，相当于旋转振动件12悬浮在轴体13上，两者之间的摩擦大幅减小，旋转振动件12的磨损随之降低，从而延长了装置的使用寿命，与相关技术中部件受载荷大，易磨损的方案相比，本申请的超声波发生装置1，由于设置了喷气孔132，在旋转振动件12和轴体13之间形成气膜，从而减小两者之间的摩擦，降低磨损，进而延长了装置的使用寿命。
其中，本申请对壳体11的形状不做限制，例如：棱柱型、方型、圆柱型等，参照图2，在本申请的一种实施例中，壳体11为圆柱型，气流从壳体11内的一端朝向另一端流动以带动旋转振动件12运动。
此外，本申请对进气口111的位置不做限制，例如，进气口111设置在壳体11的端部；又例如，进气口111设置在壳体11一端的周侧。参照图2，在本申请的一种实施例中，进气口111设置于壳体11的一端的周侧，且进 气口111凸出于壳体11表面，以便于进气口111和供气装置3的连接。
需要说明的是，本申请对旋转振动件12的结构不作限制，任意能够围绕轴体13旋转，并产生振动的结构均在本申请的保护范围内，参照图3，在本申请的一种实施例中，旋转振动件12包括安装轴套121和多个弹性叶片122，安装轴套121的内径大于轴体13对应位置的外径，安装轴套121套设在轴体13上，安装轴体13的外周侧固定连接弹性叶片122，多个弹性叶片122关于安装轴套121的轴线呈圆周阵列，此外，为了使气流通过弹性叶片122带动旋转振动件12旋转，弹性叶片122和安装轴套121的轴线呈夹角设置。
需要说明的是，本申请对喷气孔132的形式不作限制，喷气孔132可以为方孔，也可以为圆孔；喷气孔132可以为等径孔，也可以为变径孔。参照图2，在本申请的一种实施例中，喷气孔132为圆形等径孔。
为了使旋转振动件12的受力更均衡，参照图2，在本申请的一种实施例中，喷气孔132有多个，多个喷气孔132沿轴体13的环向均匀分布，多个喷气孔132朝向多个方向喷出气流，以对旋转振动件12施加多个方向的力，使旋转振动件12各径向受到的力相平衡，从而实现对旋转振动件12的径向定位。
此外，本申请对喷气孔132的轴线方向即其开口朝向不作限制，例如，喷气孔132的轴线与轴体13的轴线呈锐角夹角，多个喷气孔132分成两个喷气孔组，喷气孔组中的多个喷气孔132沿轴体13呈环状分布，且两个喷气孔组对称设置，即当其中一个喷气孔组中的喷气孔132开口朝向轴体13的第一端倾斜时，另一个喷气孔组中的喷气孔132开口朝向轴体13的第二端倾斜相同角度，相应的，安装轴套121上设置有与两个喷气孔组分别对应的受力面，且该受力面垂直于其对应侧的喷气孔132的轴线，此时，两个喷气孔组所喷出的气流作用在安装轴套121上会产生两个力，这两个力 沿安装轴套121的轴向分力数值相等且方向相反，使得喷气孔132喷出的气流不但可以实现旋转振动件12的径向定位，还能实现旋转振动件12的轴向定位。
参照图2，在本申请的一种实施例中，只有一组呈环状排布的喷气孔132，且喷气孔132的轴线均沿轴体13的径向设置，使得喷气孔132的长度最小，气流的沿程压力损失也更小，更利于保持喷气孔132喷出气流的压力。
为了在壳体11内形成有利于旋转振动件12转动的气流，参照图2和图4，在本申请的一种实施例中，轴体13的第一端设置有进气组件14，也即壳体11设置进气口111的一端设置有进气组件14，进气组件14包括进气端盖141，轴体13的第一端插入进气端盖141，进气端盖141内开设有第一导气孔1413，第一导气孔1413将主气道131和壳体11的进气口111连通。
需要说明的是，壳体11的端部可以是封闭设置，也可以是开口设置，为了便于壳体11内各部件的组件，参照图2，在本申请的一种实施例中，壳体11的两端均开口设置，以便进气组件14、旋转振动件12等从壳体11端部放入装配。
此外，本申请对进气端盖141的形状不作限制，参照图4，在本申请的一种实施例中，进气端盖141呈凸台状，其中径向截面积较大的一端为密封部1411，径向截面积较小一端为导气部1412，密封部1411的周侧和壳体11的内壁贴合，以将壳体11的第一端封闭，进气端盖141的导气部1412则靠近旋转振动件12设置，第一导气孔1413开设于导气部1412的周侧上。
参照图2和图5，在本申请的一种实施例中，进气组件14还包括导流环142，导流环142设置在进气端盖141靠近旋转振动件12的一侧，导流环142内开设有第二导气孔1421，第二导气孔1421将进气口111的气流导 向旋转振动件12，以推动旋转振动件12旋转。
为了使进气口111的气流能方便的导入第一导气孔1413和第二导气孔1421，参照图2，在本申请的一种实施例中，进气端盖141和壳体11的内壁之间形成有环形的第一气流通道15，具体的，第一气流通道15由进气端盖141的密封部1411、进气端盖141的导气部1412、壳体11和导流环142围合而成，第一导气孔1413和第二导气孔1421均通过第一气流通道15和进气口111连通。
为了使导流环142能产生更多股气流，参照图5～图8，在本申请的一种实施例中，第二导气孔1421有多个，多个第二导气孔1421绕导流环142的中心轴线圆形阵列，以产生多股流向旋转振动件12的气流，使得旋转振动件12的多个弹性叶片122均受力产生振动，示例地，第二导气孔1421有两个。
此外，为了第二导气孔1421产生的气流能够垂直吹向弹性叶片122，参照图5～图8，在本申请的一种实施例中，第二导气孔1421的两端分别开设于导流环142的两个侧面，且第二导气孔1421沿导流环142的轴向螺旋延伸，也即的两个第二导气孔1421与导流环142的母线成夹角设置，使经过第二导气孔1421的气流垂直吹向弹性叶片122，以保证旋转振动件12的振动频率和转速，从而达到对第二导气孔1421中气流的最高效的利用。
由于进气口111开设在第一气流通道15的一侧，从而使得第一气流通道15各处的气流速度并不均衡，为了平衡第一气流通道15内的气流速度，参照图1和图4，在本申请的一种实施例中，第一导气孔1413有多个，多个第一导气孔1413沿进气端盖141的环向均匀分布。
示例地，第一导气孔1413有四个，四个第一导气孔1413均沿导气部1412的径向分布，形成十字型的布局，进气口111则与其中一个第一导气孔1413对正，使得第一导气孔1413既连通了主气道131，又将第一气流通 道15的各处连通，以平衡气流流速。
为了实现对轴体13的轴向定位，参照图2，在本申请的一种实施例中，轴体13的第二端设置有保压组件16，保压组件16用于平衡旋转振动件12两侧的气压，以对旋转振动件12轴向定位。
具体的，保压组件16包括保压出气环161，保压出气环161的周侧和壳体11内壁连接，保压出气环161套设于轴体13，且保压出气环161和轴体13之间留有第二气流通道1611，当气流流经弹性叶片122后，继续朝向保压出气环161流动会受到阻挡，从而产生反向流动气流，以平衡旋转振动件12两侧的气流，同时设置第二气流通道1611，使得气流可以流出，既保证了气流沿一定方向的流动，又能形成背压将旋转振动件12轴向定位。
需要说明的是，本申请对保压出气环161与壳体11的固定方式不作限制，示例地，保压出气环161可以通过卡接、粘接、焊接等方式固定在壳体11内，参照图2，在本申请的一种实施例中，壳体11上对应保压出气环161位置开设有多个定位孔，定位孔内设置有连接件162将壳体11和保压出气环161固定在一起，连接件162可以为定位销、螺钉等，通过连接件162的方式固定，便于拆装和维护。
此外，保压组件16还包括弹性保压板163，弹性保压板163设置于保压出气环161远离旋转振动件12的一侧，弹性保压板163套设并固定连接于轴体13，弹性保压板163上设置有弹性出风口1633，弹性出风口1633的尺寸随壳体11内的气压变化。
参照图9，在本申请的一种实施例中，弹性保压板163为圆片状，弹性保压板163包括与轴体13连接的保压板本体1631，保压板本体1631上设置有多个弹性部1632，弹性部1632和保压板本体1631之间的空隙形成弹性出风口1633，弹性部1632呈长条状，弹性部1632远离轴体13的一端自由设置，当气流流过第二气流通道1611后，遭遇弹性保压板163，气流对 弹性部1632形成一定压力，当气压增大时，该压力使弹性部1632发生形变，朝向气流方向凸出，从而增大弹性出风口1633的面积，当压力减小时，弹性部1632依靠自身弹力向初始状态恢复，弹性出风口1633的面积随之减小，从而达到弹性保压板163适配气流压力的目的，从而产生稳定的背压，使得保压组件16在气压较小或者较大时都可以保证旋转振动件12两侧的气压平衡
为了降低超声波发生装置1因振动产生的噪声，参照图2和图10，在本申请的一种实施例中，还设置有消音端盖17，消音端盖17设置在弹性保压板163远离保压出气环161的一侧，消音端盖17固定连接于壳体11，且消音端盖17上设有多个第三导气孔171，第三导气孔171绕消音端盖17的中心轴线圆周阵列，以使气流最终通过第三导气孔171导出到壳体11外部。
需要说明的是，本申请对消音端盖17和壳体11的固定方式不作限制，参照图2，在本申请的一种实施例中，消音端盖17远离旋转振动件12一侧设置有弹性挡圈18，弹性挡圈18卡接在壳体11内侧，消音端盖17抵靠在弹性挡圈18上，相应的，进气端盖141远离旋转振动件12一侧也可以设置弹性挡圈18，通过类似的方式对进气端盖141进行定位。
此外，本申请对轴体13的形式不作限制，参照图2和图10，在本申请的一种实施例中，轴体13为三段式阶梯轴，轴体13的第一段直径较大，该段与保压组件16中的保压出气环161和弹性保压板163配合，轴体13的第二段直径适中，该段上开设喷气孔132，并与旋转振动件12配合，轴体13的第三段直径较小，用于和导流环142配合，并伸入到进气端盖141中，同时轴体13的第二端可以固定于消音端盖17，也可以和消音端盖17一体设置。
在此基础上，为了便于超声波发生装置1在混凝土搅拌机2上的安装，参照图11，在本申请的一种实施例中，超声波发生装置1还包括安装座19， 安装座19包括固定底板191和活动抱箍192，壳体11卡接在活动抱箍192内，固定底板191可通过螺栓等紧固件固定在混凝土搅拌机2，活动抱箍192包括可相互扣合的固定块1921和活动块1922，固定块1921与固定底板191固定连接，活动块1922和固定块1921一端铰接，另一端通过紧固件连接，为了便于壳体11和活动抱箍192的卡接，壳体11的周侧设置有凹槽状的固定部112，活动块1922和固定块1921对应固定部112位置设置有与之配合的凸起，以将壳体11轴向限位在活动抱箍192内。
由于本申请的超声波发生装置1和混凝土成型系统中，旋转振动件12所套设的轴体13上开设有与进气口111连通的喷气孔132，喷气孔132喷出气流并在旋转振动件12和轴体13之间形成气膜，从而减小两者之间的摩擦，降低磨损，进而延长了装置的使用寿命。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。
本申请实施例提供的超声波发生装置及混凝土成型系统，通过设置与壳体进气口连通的喷气孔，在旋转振动件和轴体之间形成气膜，从而减小两者之间的摩擦，降低磨损，进而延长了装置的使用寿命。
Claims (13)
- 一种超声波发生装置，包括：壳体，设置有进气口；旋转振动件，设置于所述壳体内，用于在旋转过程中振动以产生超声波；轴体，与所述壳体相对固定，所述旋转振动件套设在所述轴体上，所述旋转振动件与所述轴体可相对旋转，所述轴体上开设有主气道和喷气孔，所述主气道的第一端连通所述进气口，所述主气道的第二端连通所述喷气孔，所述喷气孔设置于所述轴体对应所述旋转振动件的位置，所述喷气孔用于喷出气流并在所述旋转振动件和所述轴体之间形成气膜。
- 根据权利要求1所述的超声波发生装置，其中，所述喷气孔有多个，多个所述喷气孔沿所述轴体的环向均匀分布。
- 根据权利要求2所述的超声波发生装置，其中，所述喷气孔的轴线沿所述轴体的径向设置。
- 根据权利要求3所述的超声波发生装置，其中，所述轴体的第一端设置有进气组件，所述进气组件包括进气端盖，所述轴体的第一端插入所述进气端盖，所述进气端盖内开设有第一导气孔，所述第一导气孔将所述主气道和所述壳体的进气口连通。
- 根据权利要求4所述的超声波发生装置，其中，所述进气端盖靠近所述旋转振动件一侧设置有导流环，所述导流环内开设有第二导气孔，所述第二导气孔将所述进气口的气流导向所述旋转振动件，以推动所述旋转振动件旋转。
- 根据权利要求5所述的超声波发生装置，其中，所述进气端盖和所述壳体的内壁之间形成有环形的第一气流通道，所述第一导气孔和所述第二导气孔均通过所述第一气流通道和所述进气口连通。
- 根据权利要求6所述的超声波发生装置，其中，所述第二导气孔有多个，多个所述第二导气孔绕所述导流环的中心轴线圆形阵列。
- 根据权利要求7所述的超声波发生装置，其中，所述第二导气孔的两端分别开设于所述导流环的两个侧面，且所述第二导气孔沿所述导流环的轴向螺旋延伸。
- 根据权利要求8所述的超声波发生装置，其中，所述第一导气孔有多个，多个所述第一导气孔沿所述进气端盖的环向均匀分布。
- 根据权利要求4所述的超声波发生装置，其中，所述轴体的第二端设置有保压组件，所述保压组件用于平衡所述旋转振动件两侧的气压，以对所述旋转振动件轴向定位。
- 根据权利要求10所述的超声波发生装置，其中，所述保压组件包括保压出气环，所述保压出气环的周侧和所述壳体内壁连接，所述保压出气环套设于所述轴体，且所述保压出气环和所述轴体之间留有第二气流通道。
- 根据权利要求11所述的超声波发生装置，其中，所述保压出气环远离所述旋转振动件一侧设置有弹性保压板，所述弹性保压板套设并固定连接于所述轴体，所述弹性保压板上设置有弹性出风口，所述弹性出风口的尺寸随所述壳体内的气压变化。
- 一种混凝土成型系统，包括：混凝土搅拌机；权利要求1～12中任一项所述的超声波发生装置，设置于所述混凝土搅拌机上，用于使所述混凝土搅拌机中混凝土被振动成型；供气装置，用于向所述超声波发生装置提供纯净气体。
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| CN201357511Y (zh) * | 2009-02-27 | 2009-12-09 | 长沙中联重工科技发展股份有限公司 | 水泥沥青砂浆立式搅拌机 |
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