CN105110189A - Automatic balancing lifting tool and using method thereof - Google Patents
Automatic balancing lifting tool and using method thereof Download PDFInfo
- Publication number
- CN105110189A CN105110189A CN201510637466.7A CN201510637466A CN105110189A CN 105110189 A CN105110189 A CN 105110189A CN 201510637466 A CN201510637466 A CN 201510637466A CN 105110189 A CN105110189 A CN 105110189A
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- balance
- hoisting beam
- lifting
- suspension bracket
- equalizing
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Abstract
The invention relates to an automatic balancing lifting tool. The automatic balancing lifting tool consists of a lifting beam, a balance control system, a lifting frame driving mechanism and the like, and is suitable for balanced lifting of large-size objects with gravity center positions which are not certain. By receiving information of an inclination angle sensor and a position sensor through a balance controller, the balance controller automatically completes data processing and then gives out a driving control instruction to a motor, the motor drives a lifting frame to move through a speed reducer, a lead screw and a lead screw nut to realize the adjustment of the lifting point of the lifting tool, and thereby a balanced lifting state is achieved. The automatic balancing lifting tool has the advantages that the structure is simple, the operation is facilitated, the trouble in artificially and repetitively finding the gravity center position is avoided, the lifting efficiency of the large-size objects is improved and the operating difficulty and lifting cost are reduced.
Description
Technical field
The present invention relates to a kind of suspender, specifically a kind of self-equalizing suspender that can lift by crane the large-scale or ultra-large type object of indefinite center-of-gravity position, belongs to mechanical hoisting technical field.
Background technology
During lifting object, especially for the large-sized object of indefinite center-of-gravity position, usually due to the impact of the factors such as hoisting object quality is unbalanced, volume is unbalanced, run-off the straight after object is lifted, makes suspender belt unbalance stress, even slippage, causes a serious accident.Current balancing lifting method for setting up the lifting of many steel ropes multiple spot, or uses the lifting of trigonometric expression equalizing bar instead, but these lifting modes lack self-equalizing hoisting function, and efficiency is low, and lifting operation difficulty is large, and hoisting cost is high, remains to be further improved.
Summary of the invention
The present invention be directed to the deficiency that existing suspender exists, one is when proposing a kind of large-scale or ultra-large type object at the indefinite center-of-gravity position of lifting, by automatically regulating hoisting beam hoisting point position, realize the suspender of balancing lifting, two using method that there is provided this suspender.
Realize foregoing invention object, the technical solution used in the present invention is: a kind of self-equalizing suspender, comprises hoisting beam, suspension bracket, motor, retarder, hook, also comprises the screw-nut body, the balance control system that are made up of leading screw and nut;
Described hoisting beam is beam type welding structural element, and hoisting beam is connected with guide rail, and screw-nut body is arranged on hoisting beam, and the two ends of leading screw are connected with bearing seat and reducer output shaft respectively, equipped feed screw nut on leading screw, feed screw nut and suspension bracket floating connection; Be provided with guide wheel bottom suspension bracket, guide wheel rolls with guide rail and coordinates; Bottom hoisting beam, corner is connected with hook;
Described balance control system comprises balance controller, remote controller, position transduser, obliquity sensor, end position and limit inclination angle warning device; Position transduser is connected with balance controller respectively with obliquity sensor, and position transduser is arranged on the end position of hoisting beam end, and obliquity sensor is arranged on bottom hoisting beam; Balance controller is arranged in control box;
Remote controller is by communication and balance controller connection control.
Hoisting beam is the beam type structure with shaped steel and Plate Welding, is provided with the guide rail of applicable suspension bracket along hoisting beam movement above it.
Balance control system comprises two position transdusers and an obliquity sensor, and two position transdusers are arranged on the end position at hoisting beam two ends respectively, and an obliquity sensor is arranged on hoisting beam.
Self-equalizing suspender is provided with balance indicator lamp, hoisting beam extreme tilt angles and suspension bracket end position warning device.
Wireless remote controller comprises manually balance and controls and balance Control Scheme two functions, mutually switches between two functions.
The using method of suspender is: position transduser detects the information that suspension bracket moves on to hoisting beam two ends end position, and obliquity sensor detects obliquity information during hoisting beam run-off the straight; After balance controller accepts the detection signal of position transduser and obliquity sensor, control machine operation, under motor drives, drive suspension bracket to move along guide rail by retarder, leading screw and nut mechanism, change lifting center of gravity position; When hoisting beam is up to the standard state, motor stops driving suspension bracket to move, and reaches balancing lifting state, utilizes the auto-lock function of leading screw and nut mechanism, retarder simultaneously or control motor braking to realize the locking of suspender state of equilibrium;
Remote controller sends balance by radio communication to balance controller and controls start and stop, self-equalizing and manually balance control command.
Balance Control Scheme instruction and manually switching mutually between balance control command two functions:
Balance Control Scheme function: balance controller is after the suspension bracket end position information receiving the hoisting beam angled state information of obliquity sensor collection, position transduser collection, balance controller automatically completes data processing and sends adjustment instruction and controls machine operation, make the relative hoisting beam of suspension bracket produce rectilinear movement, thus reach balancing lifting state;
Manual balance controlling functions: manual control adjustment controller controls machine operation, makes the angle of inclination that hoisting beam reaches predetermined.
Compared with prior art, the present invention can by regulating the hoisting point position of hoisting beam automatically, realize the suspender of balancing lifting, structure is simple, easy to operate, avoid the trouble manually repeatedly finding center-of-gravity position, improve lifting efficiency, reduce the task difficulty of the large-scale or ultra-large type object of the indefinite center-of-gravity position of lifting, reduce hoisting cost.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention.
Fig. 2 is integral structure birds-eye view of the present invention.
Fig. 3 is integral structure lateral plan of the present invention.
Fig. 4 is balance control system block diagram of the present invention.
In figure: 1-hanging object, 2-suspender belt, 3-links up with, 4-bearing seat, 5-control box, 6-end cap, 7-position transduser, 8-suspension bracket, 9-hoist lifting hook, 10-guide wheel, 11-guide rail, 12-motor, 13-retarder, 14-coupler, 15-lead screw, 16-hoisting beam, 17-feed screw nut, 18-obliquity sensor, 19-storage battery, 20-guide wheel shaft.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
See accompanying drawing 1-4, this self-equalizing suspender disclosed in this invention comprises: 1-hanging object, 2-suspender belt, and 3-links up with, 4-bearing seat, 5-control box, 6-end cap, 7-position transduser, 8-suspension bracket, 9-hoist lifting hook, 10-guide wheel, 11-guide rail, 12-motor, 13-retarder, 14-coupler, 15-leading screw, 16-hoisting beam, 17-feed screw nut, 18-obliquity sensor, 19-storage battery, 20-guide wheel shaft.Wherein leading screw and feed screw nut form screw-nut body; Balance control system comprises balance controller, remote controller, position transduser, obliquity sensor, end position and limit inclination angle warning device.
Hoisting beam is the beam-shaped structural part with shaped steel or Plate Welding, as: " U " type beam, i-shaped beams, II font beam etc. of upper opening.Hoisting beam both sides are connected with guide rail respectively.
In the present embodiment, be described for the U-shaped beam of upper opening.Hoisting beam left end is provided with bearing seat, control box, and right-hand member is provided with retarder, motor, and wherein reductor adopts worm-gear speed reducer, and it possesses auto-lock function.Screw-nut body in the present embodiment comprises leading screw and feed screw nut, leading screw and lead screw.The two ends of the lead screw on hoisting beam are connected with the mouth of bearing seat and retarder respectively through hoisting beam both sides end cap.Equipped feed screw nut on leading screw.4 guide wheels are installed in the bottom of suspension bracket, and connected by guide wheel shaft between two guide wheels on its Width, guide wheel is arranged on the below of guide rail, and the guide wheel on suspension bracket rolls along the lower driving surface of guide rail.Feed screw nut and suspension bracket floating connection, driven by motor screw turns, and then drive feed screw nut sway on leading screw, suspension bracket under the drive of feed screw nut, along leading screw axial direction sway.Hook bottom hoisting beam hangs with the suspender belt determining length, suspender belt catches suspended object, and the suspension ring of suspension bracket hang on hoist lifting hook.
Hoisting beam is provided with position transduser and obliquity sensor; Position transduser is arranged on top, hoisting beam two ends, the end position of position transduser restriction suspension bracket sway.Hoisting beam is provided with obliquity sensor, in the present embodiment, obliquity sensor is arranged on the bottom of hoisting beam, for detecting the angled state of hoisting beam in real time, hoisting beam is provided with balance indicator lamp and extreme tilt angles degree warning indicator lamp, for showing state of equilibrium and hoisting beam reaches tilt boundary angle alarm.Motor, position transduser and obliquity sensor are connected with the balance controller be arranged in control box respectively, the signal that balance controller receiving position sensor and obliquity sensor gather, control machine operation, remote controller sends control command by radio communication to balance controller.
Remote controller is by communication and balance controller connection control.
This suspender can adopt storage battery and electrical source of power two kinds of modes to power, and battery box is arranged in the control box of hoisting beam side.Balance controller circuit and electronics package are installed in control box.Wireless remote controller has and automatically and manually balances handoff functionality, and remote controller remote manual control can be utilized to regulate the leaning angle of hoisting beam and control motor start and stop.
The using method of this suspender is: after all facilities are ready, with determining that suspended object catches by the suspender belt of length, then hangs on the hook bottom hoisting beam by the other end of suspender belt; Position transduser detects the information that suspension bracket moves on to hoisting beam two ends end position, and obliquity sensor detects obliquity information during hoisting beam run-off the straight; After balance controller accepts the detection signal of position transduser and obliquity sensor, control machine operation, under motor drives, drive suspension bracket to move along guide rail by retarder, leading screw and nut mechanism, thus change lifting center of gravity position; When hoisting beam is up to the standard state, motor stops driving suspension bracket to move, thus reaches balancing lifting state, utilizes the auto-lock function of leading screw and nut mechanism, retarder simultaneously or control motor braking to realize the locking of suspender state of equilibrium.
Remote controller sends balance by radio communication to balance controller and controls start and stop, self-equalizing and manually balance control command, balance Control Scheme instruction and manually switching mutually between balance control command two functions:
Balance Control Scheme function: balance controller is receiving the hoisting beam angled state information of obliquity sensor collection, after position transduser collects suspension bracket end position information, balance controller sends instruction and controls machine operation, and suspension bracket is moved in the middle part of hoisting beam; When lifting by crane, by hanging piece with determining that the suspender belt of length is connected with the hook bottom hoisting beam, when being tilted by hanging piece, the change at hoisting beam inclination angle is detected by obliquity sensor, balance controller sends instruction, control machine operation, drive screw-nut body motion, realize the movement of suspension bracket relative to hoisting beam.
Manual balance controlling functions: Non-follow control remote control equipment (RCE) adjustment controller, makes it control machine operation, drives suspension bracket to move, makes the angle of inclination that hoisting beam reaches predetermined.
Balance controller in the present invention can show angle of inclination after the hoisting beam angle of inclination status information receiving obliquity sensor collection, more intuitively.As preferably, can deceleration of electrons function be set in balance controller, in hoisting process, deceleration of electrons can be realized according to emergency case, cause motor to quit work, stop suspension bracket and move; This balance controller can according to the rotating speed of the state self-regulation motor at angle of inclination in lifting process, and above-mentioned functions is all realized by the connection of balance controller and obliquity sensor and motor.
More than show and describe groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. a self-equalizing suspender, comprises hoisting beam, suspension bracket, motor, retarder, hook, it is characterized in that: also comprise the screw-nut body, the balance control system that are made up of leading screw and nut;
Described hoisting beam is beam type welding structural element, and hoisting beam is connected with guide rail, and screw-nut body is arranged on hoisting beam, and the two ends of leading screw are connected with bearing seat and reducer output shaft respectively, equipped feed screw nut on leading screw, feed screw nut and suspension bracket floating connection; Be provided with guide wheel bottom suspension bracket, guide wheel rolls with guide rail and coordinates; Bottom hoisting beam, corner is connected with hook;
Described balance control system comprises balance controller, remote controller, position transduser, obliquity sensor, end position and limit inclination angle warning device; Position transduser is connected with balance controller respectively with obliquity sensor, and position transduser is arranged on the end position of hoisting beam end, and obliquity sensor is arranged on bottom hoisting beam; Balance controller is arranged in control box;
Remote controller is by communication and balance controller connection control.
2. self-equalizing suspender according to claim 1, is characterized in that, described hoisting beam is the beam type structure with shaped steel and Plate Welding, is provided with the guide rail of applicable suspension bracket along hoisting beam movement above it.
3. self-equalizing suspender according to claim 1, it is characterized in that, described balance control system comprises two position transdusers and an obliquity sensor, and two position transdusers are arranged on the end position at hoisting beam two ends respectively, and an obliquity sensor is arranged on hoisting beam.
4. self-equalizing suspender according to claim 1, is characterized in that, described self-equalizing suspender is provided with balance indicator lamp, hoisting beam extreme tilt angles and suspension bracket end position warning device.
5. self-equalizing suspender according to claim 1, is characterized in that, described wireless remote controller comprises manually balance and controls and balance Control Scheme two functions, mutually switches between two functions.
6. the self-equalizing suspender according to any one of claim 1-5, it is characterized in that, the using method of described suspender is: position transduser detects the information that suspension bracket moves on to hoisting beam two ends end position, and obliquity sensor detects obliquity information during hoisting beam run-off the straight; After balance controller accepts the detection signal of position transduser and obliquity sensor, control machine operation, under motor drives, drive suspension bracket to move along guide rail by retarder, leading screw and nut mechanism, change lifting center of gravity position; When hoisting beam is up to the standard state, motor stops driving suspension bracket to move, and reaches balancing lifting state, utilizes the auto-lock function of leading screw and nut mechanism, retarder simultaneously or control motor braking to realize the locking of suspender state of equilibrium;
Remote controller sends balance by radio communication to balance controller and controls start and stop, self-equalizing and manually balance control command.
7. the using method of self-equalizing suspender according to claim 6, is characterized in that, balance Control Scheme instruction and manually switching mutually between balance control command two functions:
Balance Control Scheme function: balance controller is after the suspension bracket end position information receiving the hoisting beam angled state information of obliquity sensor collection, position transduser collection, balance controller automatically completes data processing and sends adjustment instruction and controls machine operation, make the relative hoisting beam of suspension bracket produce rectilinear movement, thus reach balancing lifting state;
Manual balance controlling functions: manual control adjustment controller controls machine operation, makes the angle of inclination that hoisting beam reaches predetermined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510637466.7A CN105110189A (en) | 2015-10-06 | 2015-10-06 | Automatic balancing lifting tool and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510637466.7A CN105110189A (en) | 2015-10-06 | 2015-10-06 | Automatic balancing lifting tool and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105110189A true CN105110189A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510637466.7A Pending CN105110189A (en) | 2015-10-06 | 2015-10-06 | Automatic balancing lifting tool and using method thereof |
Country Status (1)
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| CN (1) | CN105110189A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128798A (en) * | 2016-02-29 | 2017-09-05 | 上海昂舟机电科技有限公司 | A kind of autobalance suspender and its application method |
| CN107673205A (en) * | 2017-09-30 | 2018-02-09 | 上海建工五建集团有限公司 | The component gravity center posture automatic regulating apparatus and method of prefabricated part hanging |
| CN107755643A (en) * | 2017-12-08 | 2018-03-06 | 广西玉柴机器股份有限公司 | A kind of core Special slings for assembling and method |
| CN108088067A (en) * | 2017-09-25 | 2018-05-29 | 北京京创鑫业科技有限公司 | A kind of large space air conditioning device-specific presss from both sides beam type hanger |
| CN108147280A (en) * | 2016-12-29 | 2018-06-12 | 张琴 | Suspension hook transverse shifting component and spliced emergent gantry crane |
| CN108382995A (en) * | 2018-03-01 | 2018-08-10 | 安徽火炎焱文化传媒有限公司 | A kind of operating method of stage adjustable and balancing sunpender |
| CN108408594A (en) * | 2018-05-15 | 2018-08-17 | 福建省工业设备安装有限公司 | A kind of two-shipper lifting load smart allocation formula balance system and control method |
| CN108609475A (en) * | 2018-06-19 | 2018-10-02 | 燕山大学 | Parallel leveling suspender |
| CN108760008A (en) * | 2018-07-18 | 2018-11-06 | 清华大学 | A kind of self-balancing mechanism |
| CN108797664A (en) * | 2018-05-25 | 2018-11-13 | 国家电网公司 | A kind of spiral jacking type electric power pylon differential settlement automatic regulating system |
| CN108844891A (en) * | 2018-03-30 | 2018-11-20 | 中交路桥北方工程有限公司 | A kind of prestress pipe friction resistance test device and its test method |
| CN110116963A (en) * | 2019-05-06 | 2019-08-13 | 江阴鼎力高科起重机械有限公司 | The large-scale more fulcrums of hangar hang shared crane |
| CN111232824A (en) * | 2020-02-14 | 2020-06-05 | 一汽解放汽车有限公司 | Automatic adjusting and hoisting device for commercial vehicle |
| CN111268549A (en) * | 2018-12-04 | 2020-06-12 | 中发天信(北京)航空发动机科技股份有限公司 | Two-point type self-balancing hanging device and hanging method |
| WO2020240049A1 (en) * | 2019-05-29 | 2020-12-03 | Wat Motor Sanayi Ve Ticaret Anonim Sirketi | A balancing mechanism for correctly mounting electric motors |
| CN112744358A (en) * | 2017-06-23 | 2021-05-04 | Rte电力运输网络公司 | Anti-slewing device and method for lifting, suspending and moving loads |
| CN113148844A (en) * | 2021-05-26 | 2021-07-23 | 深圳市瑞河科技有限公司 | Automatic detection and regulation control system for hoisting balance of mooring rope |
| CN113336091A (en) * | 2021-04-28 | 2021-09-03 | 上海建工五建集团有限公司 | Intelligent lifting adjusting device and method for prefabricated components of fabricated building |
| CN113942926A (en) * | 2021-11-10 | 2022-01-18 | 中冶华天工程技术有限公司 | Automatic balance adjusting lifting appliance for straightening rollers and lifting method thereof |
| CN114326733A (en) * | 2021-12-28 | 2022-04-12 | 无锡睿勤科技有限公司 | Automatic gravity center adjusting device, intelligent desk lamp and anti-toppling method of intelligent desk lamp |
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| CN114847245A (en) * | 2022-06-10 | 2022-08-05 | 上海海洋大学 | Intelligent shrimp catching system based on hanger rail device |
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2015
- 2015-10-06 CN CN201510637466.7A patent/CN105110189A/en active Pending
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128798A (en) * | 2016-02-29 | 2017-09-05 | 上海昂舟机电科技有限公司 | A kind of autobalance suspender and its application method |
| CN108147280A (en) * | 2016-12-29 | 2018-06-12 | 张琴 | Suspension hook transverse shifting component and spliced emergent gantry crane |
| CN108147280B (en) * | 2016-12-29 | 2019-07-30 | 江苏腾发建筑机械有限公司 | Suspension hook transverse shifting component and spliced emergency gantry crane |
| CN112744358B (en) * | 2017-06-23 | 2024-06-11 | Rte电力运输网络公司 | Anti-rotation device and method for lifting, hanging and moving load |
| CN112744358A (en) * | 2017-06-23 | 2021-05-04 | Rte电力运输网络公司 | Anti-slewing device and method for lifting, suspending and moving loads |
| CN108088067A (en) * | 2017-09-25 | 2018-05-29 | 北京京创鑫业科技有限公司 | A kind of large space air conditioning device-specific presss from both sides beam type hanger |
| CN107673205A (en) * | 2017-09-30 | 2018-02-09 | 上海建工五建集团有限公司 | The component gravity center posture automatic regulating apparatus and method of prefabricated part hanging |
| CN107755643A (en) * | 2017-12-08 | 2018-03-06 | 广西玉柴机器股份有限公司 | A kind of core Special slings for assembling and method |
| CN108382995B (en) * | 2018-03-01 | 2022-11-18 | 安徽火炎焱文化传媒有限公司 | Operation method of adjustable balance suspender for stage |
| CN108382995A (en) * | 2018-03-01 | 2018-08-10 | 安徽火炎焱文化传媒有限公司 | A kind of operating method of stage adjustable and balancing sunpender |
| CN108844891A (en) * | 2018-03-30 | 2018-11-20 | 中交路桥北方工程有限公司 | A kind of prestress pipe friction resistance test device and its test method |
| CN108408594A (en) * | 2018-05-15 | 2018-08-17 | 福建省工业设备安装有限公司 | A kind of two-shipper lifting load smart allocation formula balance system and control method |
| CN108408594B (en) * | 2018-05-15 | 2024-05-28 | 福建省工业设备安装有限公司 | Control method of intelligent distribution type balance system for double-machine hoisting load |
| CN108797664A (en) * | 2018-05-25 | 2018-11-13 | 国家电网公司 | A kind of spiral jacking type electric power pylon differential settlement automatic regulating system |
| CN108609475B (en) * | 2018-06-19 | 2019-08-23 | 燕山大学 | Parallel leveling suspender |
| CN108609475A (en) * | 2018-06-19 | 2018-10-02 | 燕山大学 | Parallel leveling suspender |
| CN108760008A (en) * | 2018-07-18 | 2018-11-06 | 清华大学 | A kind of self-balancing mechanism |
| CN111268549A (en) * | 2018-12-04 | 2020-06-12 | 中发天信(北京)航空发动机科技股份有限公司 | Two-point type self-balancing hanging device and hanging method |
| CN110116963A (en) * | 2019-05-06 | 2019-08-13 | 江阴鼎力高科起重机械有限公司 | The large-scale more fulcrums of hangar hang shared crane |
| CN110116963B (en) * | 2019-05-06 | 2024-05-28 | 江阴鼎力高科起重机械有限公司 | Multi-pivot suspension sharing crane for large-scale hangar |
| WO2020240049A1 (en) * | 2019-05-29 | 2020-12-03 | Wat Motor Sanayi Ve Ticaret Anonim Sirketi | A balancing mechanism for correctly mounting electric motors |
| CN111232824A (en) * | 2020-02-14 | 2020-06-05 | 一汽解放汽车有限公司 | Automatic adjusting and hoisting device for commercial vehicle |
| CN113336091A (en) * | 2021-04-28 | 2021-09-03 | 上海建工五建集团有限公司 | Intelligent lifting adjusting device and method for prefabricated components of fabricated building |
| CN113148844A (en) * | 2021-05-26 | 2021-07-23 | 深圳市瑞河科技有限公司 | Automatic detection and regulation control system for hoisting balance of mooring rope |
| CN113942926A (en) * | 2021-11-10 | 2022-01-18 | 中冶华天工程技术有限公司 | Automatic balance adjusting lifting appliance for straightening rollers and lifting method thereof |
| CN113942926B (en) * | 2021-11-10 | 2024-07-02 | 中冶华天工程技术有限公司 | Automatic balance adjustment lifting appliance for straightening roller and lifting method thereof |
| CN114326733A (en) * | 2021-12-28 | 2022-04-12 | 无锡睿勤科技有限公司 | Automatic gravity center adjusting device, intelligent desk lamp and anti-toppling method of intelligent desk lamp |
| CN114383390A (en) * | 2021-12-30 | 2022-04-22 | 潍坊信合节能科技有限公司 | Medium-frequency induction diathermy furnace and medium-frequency induction diathermy furnace lining drying process |
| CN114383390B (en) * | 2021-12-30 | 2023-06-16 | 潍坊信合节能科技有限公司 | Intermediate frequency induction diathermy furnace and intermediate frequency induction diathermy furnace lining drying process |
| CN114847245A (en) * | 2022-06-10 | 2022-08-05 | 上海海洋大学 | Intelligent shrimp catching system based on hanger rail device |
| CN114847245B (en) * | 2022-06-10 | 2023-11-28 | 上海海洋大学 | Intelligent shrimp catching system based on hanging rail device |
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Application publication date: 20151202 |