CN102815641A - Lifting frame - Google Patents
Lifting frame Download PDFInfo
- Publication number
- CN102815641A CN102815641A CN2012103138762A CN201210313876A CN102815641A CN 102815641 A CN102815641 A CN 102815641A CN 2012103138762 A CN2012103138762 A CN 2012103138762A CN 201210313876 A CN201210313876 A CN 201210313876A CN 102815641 A CN102815641 A CN 102815641A
- Authority
- CN
- China
- Prior art keywords
- jack
- lifting
- farmer
- horizontal beam
- crane arm
- 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.)
- Pending
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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
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
-
- 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
- B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers
- B66F5/02—Mobile jacks of the garage type mounted on wheels or rollers with mechanical lifting gear
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a lifting frame and belongs to the technical field of cranes. The lifting frame comprises a lift arm and a bottom frame. A left wheel support and a right wheel support are mounted at two ends of the lift arm respectively, and a farmer jack lifting bracket clamping and locking mechanism is arranged in the lower middle of the lift arm. Each of the left wheel support and the right wheel support is mainly composed of a horizontal beam and a U-shaped bracket, a moving pair is composed of the lift arm and the horizontal beam, and two ends of the bracket extend toward the lateral upper portion to be fixedly connected to the horizontal beam. The bottom frame is composed of a horizontal bottom frame rear seat and a T-shaped bottom frame front seat. Rollers are mounted at two ends of the bottom frame rear seat respectively, and a farmer jack lifting rod lower end inserting and locking structure is arranged on the upper surface of the middle of the bottom frame rear seat. The bottom frame front seat is fixedly connected with the middle of the bottom frame rear seat to form an I-shaped rigid structure. By the use of the lifting frame, an agricultural jack is reliable and safe when being used to lift agricultural machinery such as a lawn mower, and accordingly efficacy of the agricultural jack can be given to full play, and the lifting problem of no large-sized lifting equipment when the existing agricultural machinery such as the lawn mower is maintained is solved.
Description
Technical field
The present invention relates to a kind of lifting frame, the lifting frame of especially a kind of lawnmower and so on farm machinery belongs to lifting facility technical field.
Background technology
Agricultural jack (being commonly called as the farmer top) is a kind of widely used whip-and-derry tool, and its concrete structure can be 00216946.0 and 201120153382.3 one Chinese patent application referring to application number.
Though this lifting facility are simple and practical, have stronger jacking capacity, when the agricultural machinery of the lawnmower and so on that is used to hoist,, therefore use limited owing to can't form stable support acting point.
Summary of the invention
The objective of the invention is to: the limitation that exists to above-mentioned prior art, through innovative design, propose a kind of can with the lifting frame of supporting, safe lawnmower and so on the agricultural machinery that hoists of agricultural jack.
In order to reach above purpose, the basic technical scheme of lifting frame of the present invention is: comprise the crane arm and the underframe of level, the left and right holder of taking turns is equipped with at the two ends of said crane arm respectively, and the below, middle part is provided with farmer's jack shears and holds latch-up structure; Saidly left and rightly take turns holder and mainly be made up of the carriage that constitutes the horizontal beam of moving sets with said crane arm and be the U font respectively, the two ends of said carriage are extended towards the side top and are fixed on said horizontal beam; Said underframe is made up of the underframe back seat and the T font underframe front stall of level; Roller is installed at the two ends of said underframe back seat respectively, and the middle part upper surface is provided with farmer's jack lifting bar lower end and assigns latch-up structure; Said underframe front stall is captiveed joint with said underframe back seat middle part, constitutes the I-shape rigid construction.
During use, the lower end of agricultural jack lifting lever assigned be locked on the underframe back seat, and its shears is held the below, middle part that is locked in crane arm, and reduce to left and right the wheel and holding in the palm destination location.Take turns at interval according to lawnmower and so on agricultural machinery left and right, regulate the left and right holder of taking turns by moving sets is corresponding.Left and right front-wheel with lawnmower and so on agricultural machinery drives left and right the wheel in the holder respectively into afterwards.Just can make two front-wheels of agricultural machinery reached desired height by lifting gradually with the rising of shears gradually through operation farmer jack, thereby be convenient to change maintenance and repairing works such as blade, taking-up winding weeds.
Be understood that; After adopting structure of the present invention, can form additional lifting acting point, make agricultural jack when hoisting the agricultural machinery of lawnmower and so on; Safe safety; Thereby give full play to the usefulness of agricultural jack, significantly enlarge the Applicable scope of agricultural jack, do not have the lifting difficult problem that large-scale lifting appliance faces when solving the agricultural machinery repair and maintenance of present lawnmower and so on.
The present invention further improves: saidly left and rightly take turns holder and also contain the equalizer bar that is the shape of falling ∏, said equalizer bar is made up of the extension arm at crosspiece and crosspiece two ends, and the extension above the side of said two extension arms is fixed on said horizontal beam; Said carriage is made up of bottom bracing and two elongated ends thereof, and said two elongated ends are fixed on said horizontal beam towards the extension of side top; Said crosspiece be in same horizontal surface with bottom bracing and than bottom bracing more near horizontal beam.Like this can the suffered moment of torsion of balance crane arm, more stable when making its load.
Further perfect of the present invention is: fixing ∏ shape stand of extending two columns up on the said underframe back seat, said crane arm tilts and extends a pair of hanger, install on each hanger a pair of respectively with the leading sheave of column contact both sides.Can increase the stability of lifting frame like this, improve its weight capacity.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the perspective view of the embodiment of the invention one.
Fig. 2 is Fig. 1 embodiment realistic application conditions structural representation.
Fig. 3 is the perspective view of the embodiment of the invention two.
Fig. 4 is Fig. 3 embodiment realistic application conditions structural representation.
Embodiment one
The lifting frame of present embodiment is as shown in Figure 1, comprises the tubulose crane arm 1 and the underframe 2 of level.The left and right holder 3 of taking turns is equipped with at the two ends of crane arm 1 respectively, and the below, middle part is provided with farmer's jack shears and holds latch-up structure 4.Left and right take turns holder 3 be inserted into respectively the crane arm two ends constitute with it moving sets horizontal beam 3-1, be the carriage 3-2 of U font, and the equalizer bar 3-3 formation that is the shape of falling ∏.Horizontal beam 3-1 is provided with knock hole spaced apart, has on the crane arm 1 to regulate back and the cooresponding pin hole of knock hole.Therefore can be according to after being regulated by the wheel spacing of lifting agricultural machinery, with latch 6 location.Carriage 3-2 is made up of bottom bracing and two elongated ends thereof; Two elongated ends are fixed on horizontal beam 3-1 towards the extension of side top; Equalizer bar 3-3 is made up of the extension arm at crosspiece and crosspiece two ends; Two extension arms also extend towards side top and are fixed on horizontal beam 3-1, crosspiece be in same horizontal surface with bottom bracing and than bottom bracing more near horizontal beam 3-1.Like this; After the agricultural machinery front-wheel gets into the wheel holder, will between bottom bracing and crosspiece, produce rightabout moment of torsion through carriage and equalizer bar to horizontal beam respectively; Thereby avoid horizontal beam that agricultural jack is produced roll-over action, the stress balance when helping to keep the lifting weight.Underframe 2 is made up of the underframe back seat 2-1 and the T font underframe front stall 2-2 of level.It is shaft-like that underframe back seat 2-1 is level, and installation roller 2-3 is extended at two ends bending respectively, and the middle part upper surface is provided with farmer's jack lifting bar lower end and assigns latch-up structure 5, and the area of contact with bearing surface is bigger like this, because more stable.Underframe front stall 2-2 is captiveed joint through fastener away from the side of roller 2-3 with underframe back seat middle part, constitutes the I-shape rigid construction.
Farmer's jack shears holds latch-up structure 4 and is actually the ∏ shape bayonet socket that an opening matches with farmer's jack shears width down, and this bayonet socket has can intert the horizontal latch of farmer's jack shears 8-2 lateral aperture.It is the jack that farmer's jack lifting bar 8-1 lower end matches that farmer's jack lifting bar lower end assigns latch-up structure 5 actual, and this jack has can intert the horizontal latch of farmer's jack lifting bar lower end lateral aperture.When therefore assembling,, relend and help latch locking to get final product, very convenient (referring to Fig. 2) as long as said structure and farmer's jack 8 corresponding positions are clamped or plug-in mounting.
Embodiment two
The lifting frame of present embodiment is as shown in Figure 3; Basic structure is identical with embodiment one; The main difference part is, owing to need the heavy lawnmower of lifting, therefore fixing ∏ shape stand 7 of extending two column 7-1 up on underframe back seat 2-3; Crane arm 1 tilts and extends a pair of clamping hanger 1-1, install on each hanger a pair of respectively with the leading sheave 1-2 of column 7-1 contact both sides.
Like this; After assembling with agricultural jack 8, as shown in Figure 4, crane arm 1 has constituted the lifting moving pair that is connected through pulley 1-2 with ∏ shape stand 7; Good supplemental support and directional tagging are played in ∏ shape stand 7; Thereby significantly increased the stability of lifting frame, improved the weight capacity of lifting frame, be applicable to the maintenance and repair of large-scale lawnmower and so on agricultural machinery.
In addition, crane arm 1 also changes with the structure that horizontal beam 3-1 forms moving sets.Horizontal beam 3-1 is a tubulose, is inserted on the armed lever 1-3 that passes crane arm 1, and it is secondary to constitute parallel motion.
The foregoing description is all nonrestrictive, only is used to explain the present invention.All those skilled in the art are equal to replacement and equivalent transformation based on what content of the present invention was carried out, all belong to the protection domain of requirement of the present invention.
Claims (7)
1. lifting frame, it is characterized in that: comprise the crane arm and the underframe of level, the left and right holder of taking turns is equipped with at the two ends of said crane arm respectively, and the below, middle part is provided with farmer's jack shears and holds latch-up structure; Saidly left and rightly take turns holder and mainly be made up of the carriage that constitutes the horizontal beam of moving sets with said crane arm and be the U font respectively, the two ends of said carriage are extended towards the side top and are connected in said horizontal beam both sides; Said underframe is made up of the underframe back seat and the T font underframe front stall of level; Roller is installed at the two ends of said underframe back seat respectively, and the middle part upper surface is provided with farmer's jack lifting bar lower end and assigns latch-up structure; Said underframe front stall is captiveed joint with said underframe back seat middle part, constitutes the I-shape rigid construction.
2. lifting frame according to claim 1 is characterized in that: saidly left and rightly take turns holder and also contain the equalizer bar that is the shape of falling ∏, said equalizer bar is made up of the extension arm at crosspiece and crosspiece two ends, and said two extension arms extend towards the side top and are fixed on said horizontal beam; Said carriage is made up of bottom bracing and two elongated ends thereof, and said two elongated ends are fixed on said horizontal beam towards the extension of side top; Said crosspiece be in same horizontal surface with bottom bracing and than bottom bracing more near horizontal beam.
3. lifting frame according to claim 2; It is characterized in that: fixing ∏ shape stand of extending two columns up on the said underframe back seat; Said crane arm tilts and extends a pair of hanger, install on each hanger a pair of respectively with the leading sheave of column contact both sides.
4. lifting frame according to claim 2; It is characterized in that: saidly left and rightly take turns holder and be inserted into the crane arm two ends respectively and constitute moving sets with it; Said horizontal beam is provided with knock hole spaced apart, has on the said crane arm and the cooresponding pin hole of knock hole.
5. lifting frame according to claim 3 is characterized in that: the horizontal beam of said crane arm is a tubulose, is inserted into to constitute the parallel motion pair on the armed lever that passes crane arm.
6. according to claim 4 or 5 described lifting frames; It is characterized in that: it is the ∏ shape bayonet socket that an opening matches with farmer's jack shears width down that said farmer's jack shears holds latch-up structure, and said bayonet socket has can intert the horizontal latch of farmer's jack shears lateral aperture.
7. lifting frame according to claim 6; It is characterized in that: it is the jack that farmer's jack lifting bar lower end matches that latch-up structure is assigned in said farmer's jack lifting bar lower end, and said jack has can intert the horizontal latch of farmer's jack lifting bar lower end lateral aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103138762A CN102815641A (en) | 2012-08-16 | 2012-08-16 | Lifting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103138762A CN102815641A (en) | 2012-08-16 | 2012-08-16 | Lifting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102815641A true CN102815641A (en) | 2012-12-12 |
Family
ID=47300156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103138762A Pending CN102815641A (en) | 2012-08-16 | 2012-08-16 | Lifting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102815641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019160424A1 (en) * | 2018-02-16 | 2019-08-22 | Norwegian Tool Company As | Handheld jacking/levelling-tool |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779517A (en) * | 1972-04-25 | 1973-12-18 | Nvf Co | Frame and jack assembly |
| US4984657A (en) * | 1989-07-28 | 1991-01-15 | Burns Richard H | Service lift stand apparatus for small tractors |
| CN2136826Y (en) * | 1992-09-19 | 1993-06-23 | 蔡梅兰 | Lifting vehicle machine |
| CN2137251Y (en) * | 1992-09-14 | 1993-06-30 | 孟文胜 | Goods lifter |
| CN2416084Y (en) * | 2000-03-21 | 2001-01-24 | 金爱玉 | Lifting jack |
| US20100283016A1 (en) * | 2009-05-05 | 2010-11-11 | Mojack Distributors, Llc | Apparatuses and Methods for an Improved Vehicle Jack Having a Screw Jack Assembly |
| CN101982395A (en) * | 2008-10-31 | 2011-03-02 | 丹马全球股份有限公司 | Portable two post automobile lift |
| CN102202999A (en) * | 2008-10-24 | 2011-09-28 | 机动车千斤顶经销商有限责任公司 | Apparatuses and methods for an improved vehicle jack |
| CN202116228U (en) * | 2011-05-13 | 2012-01-18 | 浙江鸿牛工贸有限公司 | Agricultural jack |
| CN202808297U (en) * | 2012-08-16 | 2013-03-20 | 无锡震达机电有限公司 | Lifting frame |
-
2012
- 2012-08-16 CN CN2012103138762A patent/CN102815641A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779517A (en) * | 1972-04-25 | 1973-12-18 | Nvf Co | Frame and jack assembly |
| US4984657A (en) * | 1989-07-28 | 1991-01-15 | Burns Richard H | Service lift stand apparatus for small tractors |
| CN2137251Y (en) * | 1992-09-14 | 1993-06-30 | 孟文胜 | Goods lifter |
| CN2136826Y (en) * | 1992-09-19 | 1993-06-23 | 蔡梅兰 | Lifting vehicle machine |
| CN2416084Y (en) * | 2000-03-21 | 2001-01-24 | 金爱玉 | Lifting jack |
| CN102202999A (en) * | 2008-10-24 | 2011-09-28 | 机动车千斤顶经销商有限责任公司 | Apparatuses and methods for an improved vehicle jack |
| CN101982395A (en) * | 2008-10-31 | 2011-03-02 | 丹马全球股份有限公司 | Portable two post automobile lift |
| US20100283016A1 (en) * | 2009-05-05 | 2010-11-11 | Mojack Distributors, Llc | Apparatuses and Methods for an Improved Vehicle Jack Having a Screw Jack Assembly |
| CN202116228U (en) * | 2011-05-13 | 2012-01-18 | 浙江鸿牛工贸有限公司 | Agricultural jack |
| CN202808297U (en) * | 2012-08-16 | 2013-03-20 | 无锡震达机电有限公司 | Lifting frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019160424A1 (en) * | 2018-02-16 | 2019-08-22 | Norwegian Tool Company As | Handheld jacking/levelling-tool |
| CN111587165A (en) * | 2018-02-16 | 2020-08-25 | 维京装备公司 | Hand-held jacking/leveling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121212 |