CN114572617B - Air cushion conveying device, air cushion conveying system and method - Google Patents
Air cushion conveying device, air cushion conveying system and method Download PDFInfo
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- CN114572617B CN114572617B CN202210252690.4A CN202210252690A CN114572617B CN 114572617 B CN114572617 B CN 114572617B CN 202210252690 A CN202210252690 A CN 202210252690A CN 114572617 B CN114572617 B CN 114572617B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
An air cushion conveying device, an air cushion conveying system and a method comprise a conveying belt, wherein the conveying belt comprises an upper layer feeding belt and a lower layer return belt, a first upper air chamber sealing plate is arranged below the upper layer feeding belt, a first lower air chamber sealing plate is arranged below the first upper air chamber sealing plate, a lower layer return belt is arranged below the first lower air chamber sealing plate, a second upper air chamber sealing plate is arranged below the lower layer return belt, and a second lower air chamber sealing plate is arranged below the second upper air chamber sealing plate; the first upper air chamber sealing plate and the first lower air chamber sealing plate enclose an upper air chamber, and the second upper air chamber sealing plate and the second lower air chamber sealing plate enclose a lower air chamber; the first upper air chamber sealing plate and the second upper air chamber sealing plate are provided with a plurality of linearly arranged air flow passages, two ends of each air flow passage are provided with air outflow openings, and the middle part of each air flow passage is provided with an air vent. The air film forming process is stable, so that the smoothness and stability of belt operation are improved, and meanwhile, the safety and reliability of the whole device are ensured.
Description
Technical Field
The invention belongs to the technical field of air cushion conveying, and particularly relates to an air cushion conveying device, an air cushion conveying system and an air cushion conveying method.
Background
Air cushion belt conveyors are also known as air cushion conveyors. Is a novel continuous conveying device which is first researched by the Netherlands in the seventies of the twentieth century. The technology is introduced in the eighties in China, a large test prototype with the bandwidth of 1 meter and the length of 97 meters which is self-developed in China is installed in a Wang Pingcun coal mine of the Beijing mining office, and a prolongation of popularization and application of an air cushion conveyor in China is pulled from the test prototype, but the existing air cushion conveyor (such as an air cushion conveyor belt device disclosed in a patent CN 207890543U) still has the problems of unreasonable air chamber structure, unstable air flow pressure and uncontrollable precision; in addition, the existing air cushion belt conveyor is inconvenient to install and maintain.
Disclosure of Invention
In view of the technical problems in the background art, the air cushion conveying device, the air cushion conveying system and the air cushion conveying method provided by the invention have the advantages that the air film forming process is stable, the smoothness and stability of belt operation are improved, and meanwhile, the safety and reliability of the whole device are ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
the air cushion conveying device comprises a conveying belt, wherein the conveying belt comprises an upper layer feeding belt and a lower layer return belt, a first upper air chamber sealing plate is arranged below the upper layer feeding belt, a first lower air chamber sealing plate is arranged below the first upper air chamber sealing plate, a lower layer return belt is arranged below the first lower air chamber sealing plate, a second upper air chamber sealing plate is arranged below the lower layer return belt, and a second lower air chamber sealing plate is arranged below the second upper air chamber sealing plate;
the first upper air chamber sealing plate, the first lower air chamber sealing plate, the second upper air chamber sealing plate and the second lower air chamber sealing plate are arranged in the main body groove box bracket; the first upper air chamber sealing plate and the first lower air chamber sealing plate enclose an upper air chamber, and the second upper air chamber sealing plate and the second lower air chamber sealing plate enclose a lower air chamber; the first upper air chamber sealing plate and the second upper air chamber sealing plate are provided with a plurality of linearly arranged air flow passages, two ends of each air flow passage are provided with air outflow openings, and the middle part of each air flow passage is provided with an air vent.
In a preferred embodiment, the two adjacent gas channels are connected (communicated) through a communication port.
In a preferred embodiment, the gas flow channel is a shuttle groove.
In the preferred scheme, the first upper air chamber sealing plate and the second upper air chamber sealing plate are arc-shaped plates, and the first lower air chamber sealing plate and the second lower air chamber sealing plate are downwards concave multi-folded plates; the inner wall of the main body groove box bracket is provided with a strip-shaped mounting groove, a second lower air cavity sealing plate is hung on the strip-shaped mounting groove, and a second upper air cavity sealing plate is lapped on the second lower air cavity sealing plate; the first lower air cavity sealing plate is hung at the top of the main body groove box bracket, and the first upper air cavity sealing plate is lapped on the first lower air cavity sealing plate.
The upper air chamber and the lower air chamber of the air cushion conveying device are respectively connected with an upper air chamber air supply branch pipe and a lower air chamber air supply branch pipe, an upper air chamber air pressure regulating valve is arranged on the upper air chamber air supply branch pipe, a lower air chamber air pressure regulating valve is arranged on the lower air chamber air supply branch pipe, the upper air chamber air supply branch pipe and the lower air chamber air supply branch pipe are connected with a main air supply pipe, and the main air supply pipe is connected with an air compressor; an upper air chamber air inlet pressure gauge is arranged at the outlet of the upper air chamber air pressure regulating valve, and a lower air chamber air inlet pressure gauge is arranged at the outlet of the lower air chamber air pressure regulating valve.
In the preferred scheme, air cushion conveyer externally mounted have the conveyer corridor, conveyer corridor top is equipped with wind-force recovery pipeline, is equipped with filter, air make-up machine and check valve in proper order along the flow direction of wind on the wind-force recovery pipeline, the check valve output is connected with total air supply pipe.
In the preferred scheme, the upper air chamber air pressure regulating valve and the lower air chamber air pressure regulating valve are pressure regulating valves.
In a preferred embodiment, the method of operating the air cushion conveyor system comprises the steps of:
s1: opening an air compressor, an upper air chamber air pressure regulating valve and a lower air chamber air pressure regulating valve, and regulating the opening sizes of the upper air chamber air pressure regulating valve and the lower air chamber air pressure regulating valve to be consistent when the air cushion conveying device is empty, so that an upper layer feeding belt and a lower layer return belt float upwards, and air films are generated on the lower surfaces of the upper layer feeding belt and the lower layer return belt;
s2: when the upper layer feeding belt starts feeding, increasing the opening of the air pressure regulating valve of the upper air chamber to enable the upper layer feeding belt to keep a floating state continuously, and recording the pressure values of the air inlet pressure gauge of the upper air chamber and the air inlet pressure gauge of the lower air chamber, wherein the pressure values are working pressures;
s3: starting a air supplementing machine, sucking air flow in a conveyor corridor into a wind power recovery pipeline, filtering dust in the wind power recovery pipeline by a filter, and supplementing clean air into a main air supply pipe;
s4: under the condition of ensuring that the pressure values of the working pressures of the upper air chamber air inlet pressure gauge and the lower air chamber air inlet pressure gauge are constant, the upper air chamber air pressure regulating valve and the lower air chamber air pressure regulating valve are adaptively adjusted.
The following beneficial effects can be achieved in this patent:
1. the air film forming process is stable, so that the smoothness and stability of belt operation are improved, and meanwhile, the safety and reliability of the whole device are ensured.
2. The lower parts of the upper layer feeding belt and the lower layer return belt are respectively provided with an air film, and the whole belt has small transmission resistance. The existing air cushion conveying device only sets an air film on the upper layer belt, and the lower layer belt can pull the upper layer belt, so that the pressure formed by the air film is improved, and energy conservation is not facilitated.
3. The invention designs the air cushion conveying system based on the air cushion conveying device, can collect positive pressure air flow around the air cushion conveying device and supplement the air flow into the main air supply pipe, thus reducing the electric energy consumption of the air compressor.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a three-dimensional block diagram of an air cushion conveyor of the present invention;
FIG. 2 is an expanded view of the air cushion conveyor of the present invention;
FIG. 3 is a diagram of a three-dimensional structure of the air cushion conveyor of the present invention;
FIG. 4 is a first upper plenum seal block diagram of the present invention;
FIG. 5 is a schematic diagram of an air cushion conveyor installation of the present invention;
FIG. 6 is a cross-sectional view of the air cushion conveyor of the present invention;
FIG. 7 is a three-dimensional block diagram of the air cushion conveyor of the present invention;
FIG. 8 is a flow chart of the air flow between the first upper air seal and the upper feed belt of the present invention;
FIG. 9 is a block diagram of a conventional air cushion conveyor;
FIG. 10 is a flow chart of the air flow under the belt of the conventional air cushion conveyor;
FIG. 11 is a block diagram of an air cushion conveyor system according to the present invention.
In the figure: the upper layer feeding belt 101, the lower layer return belt 102, the first upper air chamber sealing plate 2, the main body groove box bracket 3, the first lower air chamber sealing plate 4, the lower air chamber 5, the second lower air chamber sealing plate 6, the second upper air chamber sealing plate 7, the upper air chamber 8, the air flow channel 9, the vent 10, the communication port (11, the air outflow port 12, the partition 13, the upper air chamber air pressure regulating valve 14, the lower air chamber air pressure regulating valve 15, the air compressor 16, the conveyor corridor 17, the filter 18, the air supplementing machine 19, the one-way valve 20, the upper air chamber air inlet pressure gauge 21 and the lower air chamber air inlet pressure gauge 22.
Detailed Description
The preferable scheme is as shown in fig. 1 to 8, the air cushion conveying device comprises a conveying belt, wherein the conveying belt comprises an upper layer feeding belt 101 and a lower layer return belt 102, a first upper air chamber sealing plate 2 is arranged below the upper layer feeding belt 101, a first lower air chamber sealing plate 4 is arranged below the first upper air chamber sealing plate 2, a lower layer return belt 102 is arranged below the first lower air chamber sealing plate 4, a second upper air chamber sealing plate 7 is arranged below the lower layer return belt 102, and a second lower air chamber sealing plate 6 is arranged below the second upper air chamber sealing plate 7; the first upper air chamber sealing plate 2 and the second upper air chamber sealing plate 7 have the same structure, and the first lower air chamber sealing plate 4 and the second lower air chamber sealing plate 6 have the same structure.
The first upper air chamber sealing plate 2, the first lower air chamber sealing plate 4, the second upper air chamber sealing plate 7 and the second lower air chamber sealing plate 6 are arranged in the main body groove box bracket 3; the first upper air chamber sealing plate 2 and the first lower air chamber sealing plate 4 enclose an upper air chamber 8, and the second upper air chamber sealing plate 7 and the second lower air chamber sealing plate 6 enclose a lower air chamber 5; the first upper air chamber sealing plate 2 and the second upper air chamber sealing plate 7 are provided with a plurality of linearly arranged air flow passages 9, two ends of each air flow passage 9 are provided with air flow outlets 12, and the middle part of each air flow passage 9 is provided with an air vent 10. The gas flow passage 9 and the gas outflow port 12 are designed for the following purposes: the gas forms a dynamic balance gas film in the gas, so that the gas continuously does not excessively accumulate in the gas film to change the state.
As shown in fig. 9, the principle of air film generation in the conventional air cushion conveyor is: the belt below is the multiple spot and sprays, and the atress just to gas outlet position is big, and other regional atress is little, can lead to the belt to warp easily like this, can influence the accumulation state of material after the belt warp, and the uneven atress of belt causes the belt to shift very easily.
The air film generation principle in the air cushion conveying device of the invention is as follows: the middle part of the first upper air chamber sealing plate 2 is provided with a vent hole 10, the vent hole 10 is positioned in the middle part of the air flow channel 9, and two sides of the air flow channel 9 are respectively provided with an air outflow opening 12. When the air flow enters the upper part of the first upper air chamber sealing plate 2, the air flow is more easily split to two sides, and especially at the moment of floating up the belt, the belt stabilizing device is more beneficial to the stabilization of the belt. The existing air cushion conveying device is easy to cause belt shaking.
The two adjacent gas flow channels 9 are communicated through a communicating air passage opening (11. The gas flow channels 9 are shuttle grooves. Each two adjacent gas flow channels are communicated through two symmetrical communicating air passage openings, so that gas is accumulated in the restraining range to generate enough upward thrust to jack up a belt, the first upper gas chamber sealing plate 2 and the second upper gas chamber sealing plate 7 are respectively provided with a partition plate 13, and the partition plates 13 can divide a gas film into a plurality of areas so as to ensure the integrity of the shape of the gas-gap gas film and the stability of integral transmission.
Specifically, the first upper air chamber sealing plate 2 and the second upper air chamber sealing plate 7 are arc-shaped plates, and the first lower air chamber sealing plate 4 and the second lower air chamber sealing plate 6 are downward concave multi-folded plates; the inner wall of the main body groove box bracket 3 is provided with a strip-shaped mounting groove, a second lower air cavity sealing plate 6 is hung on the strip-shaped mounting groove, and a second upper air cavity sealing plate 7 is lapped on the second lower air cavity sealing plate 6; the first lower air cavity sealing plate 4 is hung at the top of the main body groove box bracket 3, and the first upper air cavity sealing plate 2 is lapped on the first lower air cavity sealing plate 4. The design is favorable for installation and disassembly, and is convenient for later maintenance.
The preferable scheme is as shown in fig. 11, an air cushion conveying system comprises an air cushion conveying device, wherein an upper air chamber 8 and a lower air chamber 5 of the air cushion conveying device are respectively connected with an upper air chamber air supply branch pipe and a lower air chamber air supply branch pipe, an upper air chamber air pressure regulating valve 14 is arranged on the upper air chamber air supply branch pipe, a lower air chamber air pressure regulating valve 15 is arranged on the lower air chamber air supply branch pipe, the upper air chamber air supply branch pipe and the lower air chamber air supply branch pipe are connected with a main air supply pipe, and the main air supply pipe is connected with an air compressor 16; an upper air chamber air inlet pressure gauge 21 is arranged at the outlet of the upper air chamber air pressure regulating valve 14, and a lower air chamber air inlet pressure gauge 22 is arranged at the outlet of the lower air chamber air pressure regulating valve 15.
Preferably, the upper air chamber air pressure regulating valve 14 and the lower air chamber air pressure regulating valve 15 are pressure regulating valves. And the opening degree of the valve is automatically adjusted according to the preset outlet pressure value.
The air cushion conveying device is externally provided with a conveyor corridor 17, the top of the conveyor corridor 17 is provided with a wind power recovery pipeline, a filter 18, a wind supplementing machine 19 and a one-way valve 20 are sequentially arranged on the wind power recovery pipeline along the wind flow direction, and the output end of the one-way valve 20 is connected with a main air supply pipe.
The invention collects the positive pressure air flow around the air cushion conveyor and supplements the air flow into the main air supply pipe, thus reducing the electric energy consumption of the air compressor 16.
Preferably, the method of operating the air cushion conveyor system comprises the steps of:
s1: opening an air compressor 16, an upper air chamber air pressure regulating valve 14 and a lower air chamber air pressure regulating valve 15, and regulating the opening sizes of the upper air chamber air pressure regulating valve 14 and the lower air chamber air pressure regulating valve 15 to be consistent when the air cushion conveying device is empty, so that an upper layer feeding belt 101 and a lower layer return belt 102 float upwards, and air films are generated on the lower surfaces of the upper layer feeding belt 101 and the lower layer return belt 102;
s2: when the upper layer feeding belt 101 starts to feed, increasing the opening of the upper air chamber air pressure regulating valve 14 to keep the upper layer feeding belt 101 in a floating state, and recording the pressure values of the upper air chamber air inlet pressure gauge 21 and the lower air chamber air inlet pressure gauge 22, wherein the pressure values are working pressures;
s3: starting a air supplementing machine 19, sucking air flow in a conveyor corridor 17 into a wind power recovery pipeline, filtering dust in the wind power recovery pipeline by a filter 18, and supplementing clean air into a main air supply pipe;
s4: under the condition of ensuring that the working pressure values of the upper air chamber air inlet pressure gauge 21 and the lower air chamber air inlet pressure gauge 22 are constant, the upper air chamber air pressure regulating valve 14 and the lower air chamber air pressure regulating valve 15 are adaptively adjusted.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (2)
1. The utility model provides an air cushion conveyer, includes conveyer belt, and conveyer belt includes upper feeding belt (101) and lower floor return belt (102), its characterized in that: a first upper air chamber sealing plate (2) is arranged below the upper layer feeding belt (101), a first lower air chamber sealing plate (4) is arranged below the first upper air chamber sealing plate (2), a lower layer return belt (102) is arranged below the first lower air chamber sealing plate (4), a second upper air chamber sealing plate (7) is arranged below the lower layer return belt (102), and a second lower air chamber sealing plate (6) is arranged below the second upper air chamber sealing plate (7);
the first upper air chamber sealing plate (2), the first lower air chamber sealing plate (4), the second upper air chamber sealing plate (7) and the second lower air chamber sealing plate (6) are arranged in the main body groove box bracket (3); the first upper air chamber sealing plate (2) and the first lower air chamber sealing plate (4) enclose an upper air chamber (8), and the second upper air chamber sealing plate (7) and the second lower air chamber sealing plate (6) enclose a lower air chamber (5); a plurality of gas flow channels (9) which are linearly arranged are arranged on the first upper gas chamber sealing plate (2) and the second upper gas chamber sealing plate (7), gas outflow openings (12) are arranged at two ends of the gas flow channels (9), and a vent hole (10) is arranged in the middle of the gas flow channels (9);
two adjacent gas flow passages (9) are communicated through a communication port (11);
the gas flow passage (9) is a shuttle groove.
2. The air cushion conveyor of claim 1, wherein: the first upper air chamber sealing plate (2) and the second upper air chamber sealing plate (7) are arc-shaped plates, and the first lower air chamber sealing plate (4) and the second lower air chamber sealing plate (6) are downwards concave multi-fold plates; the inner wall of the main body groove box bracket (3) is provided with a strip-shaped mounting groove, a second lower air cavity sealing plate (6) is hung on the strip-shaped mounting groove, and a second upper air cavity sealing plate (7) is lapped on the second lower air cavity sealing plate (6); the first lower air cavity sealing plate (4) is hung at the top of the main body groove box bracket (3), and the first upper air cavity sealing plate (2) is lapped on the first lower air cavity sealing plate (4).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310783698.8A CN116803863A (en) | 2022-03-15 | 2022-03-15 | Method for operating an air cushion conveyor system |
| CN202210252690.4A CN114572617B (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying device, air cushion conveying system and method |
| CN202310783692.0A CN116767755A (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252690.4A CN114572617B (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying device, air cushion conveying system and method |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310783692.0A Division CN116767755A (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying system |
| CN202310783698.8A Division CN116803863A (en) | 2022-03-15 | 2022-03-15 | Method for operating an air cushion conveyor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114572617A CN114572617A (en) | 2022-06-03 |
| CN114572617B true CN114572617B (en) | 2023-08-01 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310783698.8A Pending CN116803863A (en) | 2022-03-15 | 2022-03-15 | Method for operating an air cushion conveyor system |
| CN202310783692.0A Pending CN116767755A (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying system |
| CN202210252690.4A Active CN114572617B (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying device, air cushion conveying system and method |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310783698.8A Pending CN116803863A (en) | 2022-03-15 | 2022-03-15 | Method for operating an air cushion conveyor system |
| CN202310783692.0A Pending CN116767755A (en) | 2022-03-15 | 2022-03-15 | Air cushion conveying system |
Country Status (1)
| Country | Link |
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| CN (3) | CN116803863A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734271A (en) * | 1971-05-03 | 1973-05-22 | A Alexandrovich | Band conveyer on an air cushion |
| CA2435181A1 (en) * | 2003-07-15 | 2005-02-25 | Bernard J. Sherwood | Vacuum belt conveyor system |
| CN102502165A (en) * | 2011-11-09 | 2012-06-20 | 北京交通大学 | Double-air-chamber box body for transmitting suspended materials |
| CN102942015A (en) * | 2012-10-18 | 2013-02-27 | 马成贵 | Totally-enclosed double-air cushion belt conveyor |
| CN204416306U (en) * | 2015-01-16 | 2015-06-24 | 北京国电清新环保技术股份有限公司 | A kind of two air chamber structure of energy recovery type of air cushion-belt conveyer |
| CN109502313A (en) * | 2018-11-01 | 2019-03-22 | 林广成 | A kind of air cushion conveyer modularization barrel and prefabricated and installation method |
| CN212638790U (en) * | 2020-05-28 | 2021-03-02 | 江门市南方输送机械工程有限公司 | Heavy-load starting device for feeding section at tail of air cushion machine |
| CN113955385A (en) * | 2020-07-21 | 2022-01-21 | 郑州佰沃科技发展有限公司 | Air cushion belt conveyor |
-
2022
- 2022-03-15 CN CN202310783698.8A patent/CN116803863A/en active Pending
- 2022-03-15 CN CN202310783692.0A patent/CN116767755A/en active Pending
- 2022-03-15 CN CN202210252690.4A patent/CN114572617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734271A (en) * | 1971-05-03 | 1973-05-22 | A Alexandrovich | Band conveyer on an air cushion |
| CA2435181A1 (en) * | 2003-07-15 | 2005-02-25 | Bernard J. Sherwood | Vacuum belt conveyor system |
| CN102502165A (en) * | 2011-11-09 | 2012-06-20 | 北京交通大学 | Double-air-chamber box body for transmitting suspended materials |
| CN102942015A (en) * | 2012-10-18 | 2013-02-27 | 马成贵 | Totally-enclosed double-air cushion belt conveyor |
| CN204416306U (en) * | 2015-01-16 | 2015-06-24 | 北京国电清新环保技术股份有限公司 | A kind of two air chamber structure of energy recovery type of air cushion-belt conveyer |
| CN109502313A (en) * | 2018-11-01 | 2019-03-22 | 林广成 | A kind of air cushion conveyer modularization barrel and prefabricated and installation method |
| CN212638790U (en) * | 2020-05-28 | 2021-03-02 | 江门市南方输送机械工程有限公司 | Heavy-load starting device for feeding section at tail of air cushion machine |
| CN113955385A (en) * | 2020-07-21 | 2022-01-21 | 郑州佰沃科技发展有限公司 | Air cushion belt conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116803863A (en) | 2023-09-26 |
| CN114572617A (en) | 2022-06-03 |
| CN116767755A (en) | 2023-09-19 |
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