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WO2023039990A1 - Dispositif de levage électrique à vide - Google Patents

Dispositif de levage électrique à vide Download PDF

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Publication number
WO2023039990A1
WO2023039990A1 PCT/CN2021/125414 CN2021125414W WO2023039990A1 WO 2023039990 A1 WO2023039990 A1 WO 2023039990A1 CN 2021125414 W CN2021125414 W CN 2021125414W WO 2023039990 A1 WO2023039990 A1 WO 2023039990A1
Authority
WO
WIPO (PCT)
Prior art keywords
chassis
electric vacuum
vacuum lifter
relief valve
pressure relief
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/125414
Other languages
English (en)
Chinese (zh)
Inventor
王黎
卢俊峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Huafeng Electric Tools Co Ltd
Original Assignee
Zhejiang Huafeng Electric Tools Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Huafeng Electric Tools Co Ltd filed Critical Zhejiang Huafeng Electric Tools Co Ltd
Publication of WO2023039990A1 publication Critical patent/WO2023039990A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the utility model belongs to the field of carrying, moving or dumping cargo loads, in particular to an electric vacuum lifter.
  • the electric vacuum lifter Since its launch, the electric vacuum lifter has been favored by the market. Compared with traditional suction cups, it has many advantages such as greater adsorption, easier use, faster speed, and higher safety. Therefore, the application space is huge, such as construction, decoration, etc. In the industry, the handling of large plates such as marble and ceramic tiles, as well as the installation of door and window glass by equipment installation units, the lifting of equipment with smooth surfaces, etc.
  • the existing technology is gradually improved into an external expandable battery.
  • the socket is also prone to wear and tear on the contact parts due to frequent use.
  • the connection is not firm or the electrical contact is poor; after the external battery is installed, it is easily damaged by the collision of external objects, resulting in an unstable connection or poor electrical contact.
  • the sockets in the prior art are usually designed in one piece with the casing, and it is difficult to repair locally when a problem occurs, and only the entire casing can be replaced, and there are many parts in the casing, which requires all disassembly and replacement, so it is very cumbersome and difficult to maintain. high cost.
  • the utility model has invented a socket with easy replacement, which is convenient for maintenance and reduces maintenance cost.
  • an electric vacuum lifter including a chassis, a closed-loop sealing strip is continuously arranged on the edge of the lower surface of the chassis, and the lower surface of the chassis is surrounded by the sealing strip
  • the area is a vacuum adsorption area.
  • the middle of the body is a handle area that can be grasped.
  • the power supply part includes a battery socket detachably connected with the body and a battery pack movably connected with the battery socket.
  • a pressure relief valve assembly is provided near the handle area of the air extraction device, the pressure relief valve assembly includes a thin rod-shaped pressure relief valve stem, and an exposed pressing cap is provided on the upper end of the pressure relief valve stem.
  • the pressure relief valve stem and the pressing part are made integrally, and the diameter of the pressing part needs to be relatively large to obtain a good finger touch. Therefore, the material needs to be selected with a larger diameter and then the stem is turned, so that both Waste of material also increases the processing cost, and the design of the preferred method as a two-stage combination reduces the material cost and processing cost.
  • the upper end of the pressing cap is threadedly connected to the upper end of the pressure relief valve stem, the diameter of the exposed part of the pressing cap is larger than the diameter of the pressure relief valve stem, and the peripheral surface of the pressing cap is provided with knurling. Since the pressure relief valve stem needs to be pressed with force from the fingertips to deflate the pressure cap, its diameter is larger to increase the contact area with the fingertips to obtain a good tactile feeling, and knurling is provided on the surrounding surface to increase the hand during disassembly. The friction force of the internal rotation presses the cap.
  • the battery socket is connected to the body through screws.
  • screw connection facilitates reliable fixing and disassembly of the two during maintenance.
  • the battery socket is engaged with the battery pack.
  • the specific structure and connection method of the snap-fit connection adopted are known technologies, and have the advantages of convenient and stable connection.
  • a power display bar is provided in the battery socket.
  • the power display bar is convenient for observing the power condition and replacing the spare battery pack in time.
  • a pressure gauge is further provided on the upper surface of the chassis, and the pressure gauge communicates with the vacuum adsorption area. Setting the pressure gauge is convenient for visually understanding the negative pressure between the main body of the suction cup and the suctioned object and observing the stability of the pressure from the reading of the gauge, thereby improving the safety of use.
  • a flexible protective sheath is provided around the entire periphery of the pressure gauge. In order to protect the pressure gauge from being easily damaged when it is impacted by external force.
  • the chassis is made of aluminum alloy. To improve the anti-deformation ability under load, improve the stability and durability of use.
  • the thickness of the chassis is millimeters.
  • the thickness value is the preferred value of the ratio between self-weight and deformation resistance in multiple tests.
  • the utility model separates the battery socket which is prone to poor contact in the power supply part from the integrated design of the prior art, and forms a separate assembly detachable from the body, so that only when the battery socket has a problem Simple component replacement is required to solve the problem of cumbersome maintenance and high maintenance cost.
  • the external movable connection battery pack is not limited by the original structure, and it is convenient to replace the battery with a larger capacity, so as to meet the needs of frequent use. .
  • Fig. 1 is a structural representation of the utility model
  • Fig. 2 is a schematic structural view of the utility model in the direction of A in Fig. 1;
  • Fig. 3 is an exploded view of parts of the utility model.
  • an electric vacuum lifter includes a chassis 10 and a body 40; the chassis 10 can be made of light-weight and high-strength materials such as aluminum alloy or carbon fiber.
  • the chassis 10 is made of aluminum alloy. Material, thickness is 6mm.
  • the middle of the body 40 is a handle area 70 that can be grasped, and a closed-loop sealing strip 20 is continuously formed on the edge of the lower surface of the chassis 10, and the area surrounded by the sealing strip 20 on the lower surface of the chassis 10 is a vacuum adsorption area 30;
  • the lower surface of the sealing strip 20 is in direct contact with the surface of the object to be transported, and then the air is continuously drawn out from the vacuum adsorption area 30 by the air suction device 50, so that a negative pressure is formed between the vacuum adsorption area 30 and the surface of the object, and the two form adsorption.
  • the body 40 is arranged on the upper surface of the chassis 10, one end of the body 40 is provided with an air extraction device 50, and the other end of the body 40 is provided with a power supply part 60, the air extraction device 50 is electrically connected with the power supply part 60, and the air extraction device 50 communicates with the vacuum adsorption area 30 , the air extraction power switch 41 is set at the junction of the handle area 70 and the air extraction device 50, the air extraction power switch 41 controls the air extraction device 50, the air extraction power switch 41 is turned on, and the air extraction device 50 extracts the air in the vacuum adsorption area 30;
  • the power unit 60 includes a battery socket 61 detachably connected to the body 40 and a battery pack 62 movably connected to the battery socket 61.
  • the battery socket 61 is connected to the body 40 by screws, and the screw connection is used to securely fix and connect the two. Easy to disassemble for maintenance.
  • the battery socket 61 is engaged with the battery pack 62 .
  • the battery connection socket 61 is provided with a power display bar, which is convenient for observing the power situation, so as to replace the spare battery pack in time.
  • a pressure relief valve assembly 80 is provided near the handle area 70.
  • the pressure relief valve assembly 80 communicates with the vacuum adsorption area 30.
  • the pressure relief valve assembly 80 includes a thin rod-shaped pressure relief valve stem 81.
  • the pressure relief valve stem 81 There is an exposed pressing cap 82 on the upper end. The upper end of the pressing cap 82 and the pressure relief valve stem 81 is threaded, the diameter of the exposed part of the pressing cap 82 is larger than the diameter of the pressure relief valve stem 81, and the peripheral surface of the pressing cap 82 is provided with knurling, which is convenient for increasing hand rotation during disassembly Press the friction of the cap 82.
  • a pressure gauge 90 is also provided on the upper surface of the chassis 10 , and the pressure gauge 90 communicates with the vacuum adsorption area 30 . Setting the pressure gauge 90 is convenient for visually understanding the negative pressure between the suction cup main body 1 and the suctioned object and observing the stability of the pressure from the readings on the gauge, thereby improving the safety of use.
  • a hook plate 42 is set between the upper surface of the chassis 10 and the body 40. The hook plate 42 is used to install a lanyard to facilitate the carrying and storage of the electric vacuum lifter.
  • the sealing strip 20 is foamed rubber. Foam rubber is light, soft, elastic, and not easy to transfer heat. It has the functions of shock resistance, impact mitigation, heat insulation, and sound insulation. It is suitable for compression deformation and automatic restoration to its original shape.
  • the object has at least one surface that is a flat surface and can cover the four sides of the chassis. Continuously press the air suction power switch 41 to draw out the air in the vacuum adsorption area, so that It is in a state of negative pressure with the object to be transported, observe the pressure gauge 90 negative pressure, reach and stabilize within the pressure range, and the electric vacuum lifter firmly sucks the flat building materials.
  • the electric vacuum lifter When the handling is over, the electric vacuum lifter is ready to be removed. At this time, the pressing cap 82 in the pressure relief valve assembly 80 is continuously pressed to release the vacuum state, and the electric vacuum lifter is separated from the object to be transported. The electric vacuum lifter can be easily removed.
  • the battery socket 61 is prone to poor contact or loose engagement after frequent and repeated plugging and unplugging.
  • the body 40 is detachably connected by screws, so only the corresponding screws need to be removed during maintenance to complete the replacement of the component battery socket 61 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un dispositif de levage électrique à vide, comprenant un châssis (10). Une bande de caoutchouc d'étanchéité en boucle fermée (20) est renfermée en continu sur le bord de la surface inférieure du châssis (10) ; une zone englobée par la bande de caoutchouc d'étanchéité (20) sur la surface inférieure du châssis (10) constitue une zone d'adsorption sous vide (30) ; un corps de machine (40) est disposé sur la surface supérieure du châssis (10) ; un dispositif d'extraction d'air (50) est disposé à une extrémité du corps de machine (40) ; un composant d'alimentation électrique (60) est disposé à l'autre extrémité du corps de machine (40) ; le dispositif d'extraction d'air (50) est raccordé électriquement au composant d'alimentation électrique (60) ; le milieu du corps de machine (40) est une zone de poignée (70) pouvant être saisie ; et le composant d'alimentation électrique (60) comprend un connecteur de batterie (61) relié amovible au corps de machine (40), ainsi qu'un bloc-batterie (62) relié mobile au connecteur de batterie (61). Grâce à cet agencement, le connecteur de batterie (61), qui est davantage sujet à un mauvais contact dans le composant d'alimentation électrique (60), peut être séparé, par rapport à la conception intégrée des antériorités, afin de former un ensemble distinct pouvant être séparé du corps de machine (40), de sorte que les problèmes liés à un entretien fastidieux et à des coûts d'entretien élevés peuvent être résolus par simple remplacement de l'ensemble lorsque le connecteur de batterie (61) rencontre des problèmes.
PCT/CN2021/125414 2021-09-16 2021-10-21 Dispositif de levage électrique à vide Ceased WO2023039990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122251962.2U CN215516307U (zh) 2021-09-16 2021-09-16 一种电动真空提升器
CN202122251962.2 2021-09-16

Publications (1)

Publication Number Publication Date
WO2023039990A1 true WO2023039990A1 (fr) 2023-03-23

Family

ID=79797169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/125414 Ceased WO2023039990A1 (fr) 2021-09-16 2021-10-21 Dispositif de levage électrique à vide

Country Status (2)

Country Link
CN (1) CN215516307U (fr)
WO (1) WO2023039990A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310232A (en) * 1990-09-26 1994-05-10 Bartholomy & Co. Vacuum lifter
CN208200110U (zh) * 2018-05-08 2018-12-07 广州市柯西机械设备有限公司 一种重型液压翻转旋转吸盘吊具的真空系统
CN210214525U (zh) * 2019-07-16 2020-03-31 杭州怡田工具制造有限公司 一种带安全泄压阀的真空吸盘
CN111433149A (zh) * 2018-05-08 2020-07-17 香港尼摩电动工具有限公司 真空吸盘夹具
CN111943013A (zh) * 2020-08-19 2020-11-17 浙江玥耀起重机械有限公司 一种无线真空吸盘吊具
CN213834192U (zh) * 2020-11-09 2021-07-30 武汉长泽绝缘材料有限公司 一种用于绝缘板的真空吸盘吊机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310232A (en) * 1990-09-26 1994-05-10 Bartholomy & Co. Vacuum lifter
CN208200110U (zh) * 2018-05-08 2018-12-07 广州市柯西机械设备有限公司 一种重型液压翻转旋转吸盘吊具的真空系统
CN111433149A (zh) * 2018-05-08 2020-07-17 香港尼摩电动工具有限公司 真空吸盘夹具
CN210214525U (zh) * 2019-07-16 2020-03-31 杭州怡田工具制造有限公司 一种带安全泄压阀的真空吸盘
CN111943013A (zh) * 2020-08-19 2020-11-17 浙江玥耀起重机械有限公司 一种无线真空吸盘吊具
CN213834192U (zh) * 2020-11-09 2021-07-30 武汉长泽绝缘材料有限公司 一种用于绝缘板的真空吸盘吊机

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