WO2017099269A1 - 지게차 - Google Patents
지게차 Download PDFInfo
- Publication number
- WO2017099269A1 WO2017099269A1 PCT/KR2015/013392 KR2015013392W WO2017099269A1 WO 2017099269 A1 WO2017099269 A1 WO 2017099269A1 KR 2015013392 W KR2015013392 W KR 2015013392W WO 2017099269 A1 WO2017099269 A1 WO 2017099269A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frame
- chain
- load cell
- forklift
- present
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/127—Working platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
- G01G19/083—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles lift truck scale
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/15—Fork lift trucks, Industrial trucks
Definitions
- the present invention relates to a forklift, and more particularly, to a forklift that enables the forklift to measure the weight of cargo to be transported.
- Forklift trucks are generally used to move cargo. And forklifts have a fixed weight of cargo they can carry. There is a risk of safety accidents if the forklift carries more weight than the allowable weight.
- grasping the weight of cargo acting on the forklift is a very important factor in preventing accidents, and it is sometimes necessary to measure and record the weight of cargo depending on the working environment.
- the pressure of hydraulic oil is formed in a lift cylinder when a forklift loads a load.
- the pressure of the hydraulic oil is measured and the weight of the cargo is determined by converting the pressure of the hydraulic oil into weight.
- the method of converting the pressure of the hydraulic fluid as described above has a problem that the response is slow and the reliability is about 5%.
- Patent Document 1 Korean Utility Model Registration Publication No. 20-0344391 (announced on March 11, 2004)
- an object of the present invention is to provide a forklift that can accurately grasp the weight of the cargo more quickly and accurately when loaded on the forklift.
- the weight measuring unit 100 is a supporter frame 16, the hole 18 is formed in the vertical direction from the top frame 14; A shaft 102 having one side connected to the chain 50 and the other side passing through the hole 18; A load cell 106 installed to penetrate the shaft 102 through which the hole 18 of the supporter frame 16 passes; And a nut 110 coupled to the shaft 102 through which the load cell 106 is penetrated so that tensile stress applied to the chain 50 is actuated by the load cell 106. have.
- the forklift may further include first and second columns 104 and 108 provided on the shaft 102 to be disposed above and below the load cell 106, respectively. have.
- the forklift according to the embodiment of the present invention made as described above is remarkably compared to conventionally measuring the hydraulic pressure of the lift cylinder by directly measuring the weight of the cargo acting directly on the chain, the load applied to the chain The weight of the cargo can be weighed quickly.
- the forklift according to the embodiment of the present invention can significantly improve the reliability compared to conventionally measuring the hydraulic pressure of the lift cylinder by measuring the load acting directly on the chain.
- the weight measuring unit by placing the weight measuring unit on the top of the mast, it is possible to avoid interference with cargo or other objects as much as possible, thereby preventing damage to the weight measuring unit as much as possible.
- 1 and 2 is a view for explaining a forklift according to an embodiment of the present invention.
- FIG 3 is a view for explaining a weight measurement unit in a forklift according to an embodiment of the present invention.
- 1 and 2 are views for explaining a forklift according to an embodiment of the present invention.
- 3 is a view for explaining a weight measurement unit in a forklift according to an embodiment of the present invention.
- the forklift is provided with a base frame 10, and the base frame 10 is provided with a mast frame 12 in the vertical direction.
- the top frame 14 is disposed above the mast frame 12, and the carriage unit 40 is provided in front of the mast frame 12.
- the moving frame 20 is provided in the mast frame 12 so that the moving frame can be elevated, and the moving frame 20 is provided with a guide pulley 22.
- the actuator 30 is installed in the base frame 10, and the moving frame 20 described above is connected to the rod of the actuator 30.
- one side of the chain 50 is installed in the top frame 14, via the guide pulley 22, the other side is installed in the carriage unit 40.
- the moving frame 20 is lifted by the operation of the actuator 30, and the carriage unit 40 is lifted by the lifting action of the moving frame 20.
- the chain 50 pulls the carriage unit 40 when the moving frame 20 rises to raise the carriage unit 40.
- the chain 50 causes the carriage unit 40 to be lowered by the weight of the carriage unit 40 when the moving frame 20 is lowered.
- the weight measuring unit 100 is provided at a portion where the chain 50 is installed in the top frame 14.
- the weighing unit 100 measures the weight of the cargo W by the amount of displacement that is deformed when compressed and compressed by the tensile force applied to the chain 50.
- the forklift converts the tensile force acting on the chain 50 into a compressive force and converts the compressive force into weight, which is a significantly faster time compared to conventionally measuring the hydraulic pressure of the lift cylinder.
- the weight of the cargo (W) can be measured.
- the forklift according to the embodiment of the present invention can significantly improve the reliability compared to conventionally measuring the hydraulic pressure of the lift cylinder by measuring the load acting directly on the chain 50.
- the forklift according to the embodiment of the present invention, by placing the weight measuring unit 100 on the top of the mast to avoid the interference with the cargo (W) and other objects as much as possible to minimize the damage of the weight measuring unit 100 You can prevent it.
- the weight measuring unit 100 may be installed in the support frame 16 formed in the top frame 14, as shown in FIG.
- the supporter frame 16 may be formed in the top frame 14, and the holes 18 may be formed in the supporter frame 16 in the vertical direction.
- the shaft 102 is connected to the chain 50.
- the shaft 102 is provided in the supporter frame 16 to penetrate the hole 18 described above. In other words, both ends of the chain 50 are directed downward by way of the guide pulley 22.
- the load cell 106 penetrates the shaft 102 through which the hole 18 of the supporter frame 16 passes.
- the nut 110 is fastened to the shaft 102 through which the load cell 106 is passed.
- the tensile force acting on the chain 50 acts in the direction of raising the shaft 102, and the nut 110 is fastened to the shaft 102, so that a force acts in the rising direction and thus compresses the load cell 106.
- the load cell 106 is a tensile force applied to the chain 50 is operated by the compressive stress.
- the load cell 106 may be relatively less durable than other components. That is, there may be a possibility that the load cell 106 is damaged by the tensile force applied to the chain 50.
- the forklift according to the embodiment of the present invention can be used more safely as the chain 50 is not loosened even when the load cell 106 is damaged.
- the nut 110 does not pass through the supporter frame 16 even if the load cell 106 is broken and detached due to some unexpected problem, so that the chain 50 is not loosened. ) Can prevent the accident from falling.
- the first and second columns 104, 108 may be provided on the upper side and the lower side of the load cell 106, respectively.
- the first and second columns 104, 108 may be configured to be inserted into the shaft 102.
- the forklift is a tension force acting on the chain 50 is applied to the load cell 106 through the nut 110, wherein the first column 104 is the supporter frame 16 Direct friction between the load cell 106 and the load cell 106 can be avoided, thereby preventing damage to the load cell 106.
- the tensile force acting on the chain 50 is applied to the load cell 106 through the nut 110, and the second column 108 is the nut 110.
- the compressive force can be dispersed by preventing the concentration of the compressive force in a specific portion of the load cell 106. That is, damage of the load cell 106 can be prevented by dispersing the compressive force at the end of the load cell 106.
- the end of the shaft 102 may be further provided with a pin 112.
- the pin 112 prevents the nut 110 from loosening at random.
- Installed in the forklift according to an embodiment of the present invention can be used to measure the load applied to the fork.
- top frame 16 supporter frame
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Claims (3)
- 베이스 프레임(10);상기 베이스 프레임(10)에 세로방향으로 배치된 마스트 프레임(12);상기 마스트 프레임(12)의 상측에 배치된 탑 프레임(14);상기 마스트 프레임(12)에서 승강되는 무빙 프레임(20);상기 무빙 프레임(20)에 구비된 가이드 풀리(22);상기 베이스 프레임(10)에 설치되어 상기 무빙 프레임(20)을 승강 작동시키는 액추에이터(30);상기 마스트 프레임(12)에서 승강되는 캐리지 유닛(40);일측이 상기 탑 프레임(14)에 설치되고, 상기 가이드 풀리(22)를 경유하며, 타측이 상기 캐리지 유닛(40)에 설치되는 체인(50); 및상기 체인(50)이 상기 탑 프레임(14)에 설치되는 부분에서 상기 체인(50)에 작용되는 인장력에 의해 압축되어 압축된 변위에 의해 화물의 중량을 계측하는 중량 계측 유닛(100);을 포함하는 지게차.
- 제 1항에 있어서,상기 중량 계측 유닛(100)이,상기 탑 프레임(14)에서 수직방향으로 홀(18)이 형성된 서포터 프레임(16);일측이 상기 체인(50)에 연결되고 타측이 상기 홀(18)을 관통하는 샤프트(102);상기 서포터 프레임(16)의 상기 홀(18)이 관통된 상기 샤프트(102)에 관통되도록 설치된 로드 셀(106); 및상기 로드 셀(106)이 관통된 상기 샤프트(102)에 체결되어 상기 체인(50)에 작용된 인장응력이 상기 로드 셀(106)에 압력으로 작동되도록 하는 너트(110);를 포함하는 것을 특징으로 하는 지게차.
- 제 2항에 있어서,상기 로드 셀(106)의 상측과 하측에 각각 배치되도록 상기 샤프트(102)에 구비되는 제1, 2 칼럼(104, 108);을 더 포함하는 것을 특징으로 하는 지게차.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018529563A JP2018536605A (ja) | 2015-12-08 | 2015-12-08 | フォークリフト車両 |
CN201580085704.6A CN108473290A (zh) | 2015-12-08 | 2015-12-08 | 叉车 |
PCT/KR2015/013392 WO2017099269A1 (ko) | 2015-12-08 | 2015-12-08 | 지게차 |
EP15910295.3A EP3385213A4 (en) | 2015-12-08 | 2015-12-08 | FORK LIFT FORK |
US16/060,045 US20190084815A1 (en) | 2015-12-08 | 2015-12-08 | Forklift |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2015/013392 WO2017099269A1 (ko) | 2015-12-08 | 2015-12-08 | 지게차 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017099269A1 true WO2017099269A1 (ko) | 2017-06-15 |
Family
ID=59014277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/013392 WO2017099269A1 (ko) | 2015-12-08 | 2015-12-08 | 지게차 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190084815A1 (ko) |
EP (1) | EP3385213A4 (ko) |
JP (1) | JP2018536605A (ko) |
CN (1) | CN108473290A (ko) |
WO (1) | WO2017099269A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112499524B (zh) * | 2020-11-24 | 2023-01-06 | 宁波朗科称重设备有限公司 | 物料升降搬运计量的物流设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4212360A (en) * | 1977-10-20 | 1980-07-15 | Pye (Electronics Products) Limited | Load measuring arrangements for fork lift trucks or the like |
KR19990018156A (ko) * | 1997-08-26 | 1999-03-15 | 이충열 | 지게차의 위험상태 경보장치 |
KR200344391Y1 (ko) * | 2003-12-05 | 2004-03-11 | 김문기 | 지게차량용 저울장치 |
US20050092530A1 (en) * | 2003-10-30 | 2005-05-05 | Rice Thomas S. | Apparatus and method for weighting objects on a fork lift truck |
US20110206483A1 (en) * | 2010-02-19 | 2011-08-25 | Gauthier Steven | Weight sensing method and apparatus for forklifts |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2524888Y2 (ja) * | 1991-08-09 | 1997-02-05 | 小松フォークリフト株式会社 | フォークリフトトラックの作業機 |
JP2001026399A (ja) * | 1999-07-16 | 2001-01-30 | Komatsu Forklift Co Ltd | フォークリフトトラックの荷役装置における偏荷重検出装置 |
CN201567185U (zh) * | 2009-12-23 | 2010-09-01 | 艾云厂 | 一种具有称重功能的机动液压叉车 |
CN202046844U (zh) * | 2011-04-19 | 2011-11-23 | 漆佳林 | 叉车称重计量装置 |
CN103964342A (zh) * | 2014-04-29 | 2014-08-06 | 定远县明友墙体材料有限责任公司 | 一种砖坯专用叉车 |
-
2015
- 2015-12-08 CN CN201580085704.6A patent/CN108473290A/zh active Pending
- 2015-12-08 WO PCT/KR2015/013392 patent/WO2017099269A1/ko active Application Filing
- 2015-12-08 JP JP2018529563A patent/JP2018536605A/ja active Pending
- 2015-12-08 EP EP15910295.3A patent/EP3385213A4/en not_active Withdrawn
- 2015-12-08 US US16/060,045 patent/US20190084815A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4212360A (en) * | 1977-10-20 | 1980-07-15 | Pye (Electronics Products) Limited | Load measuring arrangements for fork lift trucks or the like |
KR19990018156A (ko) * | 1997-08-26 | 1999-03-15 | 이충열 | 지게차의 위험상태 경보장치 |
US20050092530A1 (en) * | 2003-10-30 | 2005-05-05 | Rice Thomas S. | Apparatus and method for weighting objects on a fork lift truck |
KR200344391Y1 (ko) * | 2003-12-05 | 2004-03-11 | 김문기 | 지게차량용 저울장치 |
US20110206483A1 (en) * | 2010-02-19 | 2011-08-25 | Gauthier Steven | Weight sensing method and apparatus for forklifts |
Non-Patent Citations (1)
Title |
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See also references of EP3385213A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP3385213A1 (en) | 2018-10-10 |
US20190084815A1 (en) | 2019-03-21 |
JP2018536605A (ja) | 2018-12-13 |
EP3385213A4 (en) | 2019-08-14 |
CN108473290A (zh) | 2018-08-31 |
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