Ultrasonic generation device and concrete forming system

Patent metadata

Field	Value
Publication number	US-12179385-B2
Application number	US-202318576732-A
Country	US
Kind code	B2
Filing date	Jan 10, 2023
Priority date	May 10, 2022
Publication date	Dec 31, 2024
Grant date	Dec 31, 2024

Abstract

An ultrasonic generation device and a concrete forming system are provided. The ultrasonic generation device includes a housing, a rotary vibration member, and a shaft body. The housing is provided with an air inlet. The rotary vibration member is disposed in the housing. The shaft body is relatively fixed to the housing, the rotary vibration member is sleeved on the shaft body, and the rotary vibration member and the shaft body are rotatable relative to each other. The shaft body is provided with a main air passage and a jet hole, a first end of the main air passage is in communication with the air inlet and a second end of the main air passage is in communication with the jet hole, the jet hole is provided in the shaft body at a position corresponding to the rotary vibration member.

First claim

What is claimed is:

1. An ultrasonic generation device, comprising:
a housing, provided with an air inlet;
a rotary vibration member, disposed in the housing and configured for vibrating during a rotation to generate ultrasonic waves; and
a shaft body, relatively fixed to the housing, wherein the rotary vibration member is sleeved on the shaft body, the rotary vibration member and the shaft body are rotatable relative to each other, the shaft body is provided with a main air passage and a plurality of jet holes, a first end of the main air passage is in communication with the air inlet and a second end of the main air passage is in communication with the plurality of jet holes, the plurality of jet holes are provided in the shaft body at a position corresponding to the rotary vibration member, and the plurality of jet holes are configured for ejecting an air flow to form an air film between the rotary vibration member and the shaft body,
wherein the plurality of jet holes are evenly distributed along a circumference of the shaft body,
wherein an axis of each of the plurality of jet holes is along a radial direction of the shaft body,
wherein an air inlet assembly is provided at a first end of the shaft body, the air inlet assembly comprises an air inlet end cover, the first end of the shaft body is inserted into the air inlet end cover, a first air guide hole is provided in the air inlet end cover, and the first air guide hole communicates the main air passage with the air inlet of the housing,
wherein a guide ring is disposed on a side of the air inlet end cover close to the rotary vibration member, a second air guide hole is provided in the guide ring, and the second air guide hole guides the air flow from the air inlet to the rotary vibration member, to push the rotary vibration member to rotate.

2. The ultrasonic generation device according to claim 1 , wherein an annular first airflow passage is formed between the air inlet end cover and an inner wall of the housing, and the first air guide hole and the second air guide hole are in communication with the air inlet via the first airflow passage.

3. The ultrasonic generation device according to claim 2 , wherein a plurality of second air guide holes are provided and the plurality of second air guide holes are arranged in a circular array about a central axis of the guide ring.

4. The ultrasonic generation device according to claim 3 , wherein two ends of each of the second air guide holes are respectively provided on two side surfaces of the guide ring, and each of the second air guide holes extends helically along an axial direction of the guide ring.

5. The ultrasonic generation device according to claim 4 , wherein a plurality of first air guide holes are provided and the plurality of first air guide holes are evenly distributed along a circumference of the air inlet end cover.

6. A concrete forming system, comprising:
a concrete mixer;
the ultrasonic generation device according to claim 1 , disposed on the concrete mixer and configured for vibration forming of a concrete in the concrete mixer; and
an air supply device, for providing the ultrasonic generation device with a purified air.

7. An ultrasonic generation device, comprising:
a housing, provided with an air inlet;
a rotary vibration member, disposed in the housing and configured for vibrating during a rotation to generate ultrasonic waves; and
a shaft body, relatively fixed to the housing, wherein the rotary vibration member is sleeved on the shaft body, the rotary vibration member and the shaft body are rotatable relative to each other, the shaft body is provided with a main air passage and a plurality of jet holes, a first end of the main air passage is in communication with the air inlet and a second end of the main air passage is in communication with the plurality of jet holes, the plurality of jet holes are provided in the shaft body at a position corresponding to the rotary vibration member, and the plurality of jet holes are configured for ejecting an air flow to form an air film between the rotary vibration member and the shaft body,
wherein the plurality of jet holes are evenly distributed along a circumference of the shaft body,
wherein an axis of each of the plurality of jet holes is along a radial direction of the shaft body,
wherein an air inlet assembly is provided at a first end of the shaft body, the air inlet assembly comprises an air inlet end cover, the first end of the shaft body is inserted into the air inlet end cover, a first air guide hole is provided in the air inlet end cover, and the first air guide hole communicates the main air passage with the air inlet of the housing,
wherein a pressure-retaining assembly is provided at a second end of the shaft body, and the pressure-retaining assembly is configured for balancing air pressure on two sides of the rotary vibration member to realize axial positioning of the rotary vibration member.

8. The ultrasonic generation device according to claim 7 , wherein the pressure-retaining assembly comprises a pressure-retaining exhaust ring, a periphery of the pressure-retaining exhaust ring is connected to an inner wall of the housing, the pressure-retaining exhaust ring is sleeved on the shaft body, and a second airflow passage is formed between the pressure-retaining exhaust ring and the shaft body.

9. The ultrasonic generation device according to claim 8 , wherein an elastic pressure-retaining plate is disposed on a side of the pressure-retaining exhaust ring away from the rotary vibration member, the elastic pressure-retaining plate is sleeved on the shaft body and is fixedly connected to the shaft body, the elastic pressure-retaining plate is provided with elastic air outlets, and a size of each of the elastic air outlets changes with the air pressure in the housing.

Assignees

• Univ Taiyuan Technology
• Shanxi Lingxuda Tech Co Ltd

Inventors

• Kou Ziming
• Wu Juan
• Wang Hulin
• Ren Qichao
• Peng Yanwei
• Zhang Buwen
• Yan Feng

Classifications

• B28C5/48 Primary

  wherein the mixing is effected by vibrations (mixers with vibrating mechanisms in general B01F31/00) · CPC title

• B06B1/183 Primary

  operating with reciprocating masses · CPC title