CN113023631A - Lifting platform with variable operation area - Google Patents
Lifting platform with variable operation area Download PDFInfo
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- CN113023631A CN113023631A CN202110297234.7A CN202110297234A CN113023631A CN 113023631 A CN113023631 A CN 113023631A CN 202110297234 A CN202110297234 A CN 202110297234A CN 113023631 A CN113023631 A CN 113023631A
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- 230000000630 rising effect Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910052573 porcelain Inorganic materials 0.000 description 1
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Classifications
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- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
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- 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
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a lifting platform with a variable operation area, which comprises a plurality of flat plates arranged along the vertical direction, wherein a height adjusting piece is arranged between any two adjacent flat plates, the height adjusting piece comprises a driving piece and at least two connecting rods arranged in parallel, two ends of each connecting rod are respectively and rotatably connected with the surfaces of the two adjacent flat plates, and the driving piece drives one of the connecting rods to rotate; the driving piece of each height adjusting piece drives the connecting rod to rise, so that the distance between adjacent flat plates is increased, and the flat plates are in a rising state; the driving pieces of the plurality of height adjusting pieces at the top drive the connecting rods to topple and the flat plates to be stacked in a staggered mode. This changeable lift platform of operational area, a plurality of are dull and stereotyped along the crisscross setting of direction of height, and the dull and stereotyped side of a plurality of top is moved highly descend, is stacked together, and top operation operational area extension is convenient, and can act as the goods storage rack to reduce the stacking area of stacking the goods.
Description
Technical Field
The invention relates to the technical field of lifting platforms, in particular to a lifting platform with a variable operation area.
Background
The lifting platform is a lifting mechanical device and is widely applied to factories, stations, plants, markets, airports, stadiums, docks, airports and various occasions needing climbing operation; the lifting platform is divided into a sleeve cylinder type, a guide rail type, a crank arm type, a scissor type, a chain type and the like, the operation area of the uppermost operation of the existing lifting platform is fixed, the lifting platform is not easy to expand, the lifting platform needs to be frequently moved to correspond to different working positions, and the working efficiency of workers on the lifting platform is influenced.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art and provides a lifting platform with a variable operation area, wherein a plurality of flat plates are arranged in a staggered mode along the height direction, the plurality of flat plates at the top are laterally moved, lowered in height and stacked together, the operation area at the top is conveniently expanded and can be used as a goods storage rack, so that the stacking area of stacked goods is reduced, and the problems in the background technology can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a changeable lift platform of operational area, includes the dull and stereotyped that a plurality of set up along vertical direction, all installs height adjusting part between two arbitrary adjacent dull and stereotyped.
The height adjusting piece comprises a driving piece and at least two connecting rods which are arranged in parallel, two ends of each connecting rod are respectively and rotatably connected with two adjacent flat plate surfaces, and the driving piece drives one of the connecting rods to rotate.
The driving piece of each height adjusting piece drives the connecting rod to tilt so that the flat plates are stacked in a staggered mode and are in a storage state.
The driving piece of each height adjusting piece drives the connecting rod to be lifted, so that the distance between the adjacent flat plates is increased, and the flat plates are in a lifting state.
The driving pieces of the plurality of height adjusting pieces at the top drive the connecting rods to topple and the flat plates to be stacked in a staggered mode.
As a preferable technical scheme of the invention, the driving part is a telescopic hydraulic cylinder or an electric push rod, and two ends of the driving part are respectively and rotatably connected with the middle part of the connecting rod and the surface of the flat plate.
As a preferred technical scheme of the invention, a plurality of adjacent flat plates are all deviated to the same side.
As a preferred technical scheme, the invention further comprises a protection rod, wherein two ends of the periphery of the protection rod are respectively fixed with a limiting block, clamping holes are respectively formed in the same side of the flat plate above and below the offset flat plate, and the upper end and the lower end of the protection rod are respectively clamped with the two clamping holes.
As a preferable technical scheme of the invention, the protection rod comprises an adjusting screw rod and a sleeve, one end of the adjusting screw rod extends into an inner cavity of the sleeve and is in threaded connection with the inner cavity of the sleeve, and a limiting block is fixed at one end of the outer peripheral side of the adjusting screw rod, which is far away from the sleeve, and at one end of the outer peripheral side of the sleeve, which is far away from the adjusting screw rod.
As a preferred technical scheme of the invention, the side edge of the upper surface of the uppermost flat plate is fixed with a railing.
As a preferable aspect of the present invention, each of the flat plates is offset toward one end in a length direction thereof.
As a preferable technical scheme of the invention, the width of the flat plates is gradually increased from top to bottom, and railings are fixed at two ends of the width direction of the upper surface of each flat plate.
As a preferable technical scheme of the invention, an auxiliary supporting piece capable of being horizontally unfolded is arranged on the lowest flat plate, the auxiliary supporting piece comprises a rotating rod, one end of the rotating rod is horizontally and rotatably connected with the surface of the lowest flat plate, a vertical screw hole is formed in the other end of the rotating rod, a screw rod is arranged in the vertical screw hole, a contact plate is arranged at the lower end of the screw rod, and a handle is arranged at the upper end of the screw rod.
As a preferred embodiment of the present invention, four wheels are mounted on the lower surface of the lowermost plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the lifting platform with the variable operation area, on one hand, the driving parts of the plurality of height adjusting parts at the top drive the connecting rods to topple, the flat plates corresponding to the height adjusting parts are stacked in a staggered mode, and the operation area of the lifting platform is expanded; on the other hand, the flat plates are sequentially lifted from top to bottom, and goods are placed on each flat plate before the flat plates are lifted, so that the lifting platform can serve as a goods storage rack, and the stacking area where the goods cannot be stacked is reduced; on the other hand, except the uppermost flat plate, the adjacent flat plates all deviate to the same side to give up a newly added working station, and when construction work is required at different heights at the same position, the construction efficiency is increased by the newly added working station; on the other hand, each flat plate is deviated towards one end in the length direction, the flat plates form an inclined ladder, and the lifting platform in the inclined ladder state is convenient for people to get on and off high places and quickly evacuate the people in the case of fire, emergency and the like; or be convenient for operate the eminence space that has debris below, and the same direction slope of the dull and stereotyped adjacent of a plurality of stacks together, increases this lift platform's horizontal span, increases this lift platform's application scope.
2. According to the lifting platform with the variable operation area, the width of the flat plates is gradually increased from top to bottom, and the two ends of the upper surface of each flat plate in the width direction are fixed with the railings; the railing does not influence the flat plate movement above the railing, the railing forms the side protection of the lifting platform in the inclined ladder state, and the safety of personnel on and off the lifting platform in the inclined ladder state is protected.
3. According to the lifting platform with the variable operation area, the auxiliary supporting pieces are unfolded, the rotating rods of the auxiliary supporting pieces are far away from the flat plate, the screw rods are rotated through the handles, the screw rods drive the contact plate to be abutted to the placing plane, each auxiliary supporting piece is unfolded, and the supporting stability of the lifting platform is improved.
Drawings
FIG. 1 is a schematic structural view of a storage state of the present invention;
FIG. 2 is a schematic diagram of the raised state structure of the present invention;
FIG. 3 is a structural diagram illustrating an expanded operating area state according to the present invention;
FIG. 4 is a schematic view of a multi-station configuration of the present invention;
FIG. 5 is a schematic view of the guard bar of FIG. 4;
FIG. 6 is a schematic structural diagram of an embodiment of the inclined ladder state of the present invention;
FIG. 7 is a schematic structural view of another embodiment of the inclined ladder state of the present invention;
fig. 8 is a schematic structural view of another embodiment of the inclined ladder state of the present invention.
In the figure: 1 connecting rod, 2 driving pieces, 3 flat plates, 4 wheels, 5 auxiliary supporting pieces, 51 handles, 52 rotating rods, 53 screw rods, 54 contact plates, 6 handrails, 7 protective rods, 71 limiting blocks, 72 adjusting screw rods and 73 sleeves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described below with reference to the accompanying drawings and examples.
The first embodiment is as follows: referring to fig. 1, 2 and 3, the present embodiment discloses a lifting platform with a variable operation area, which includes a plurality of flat plates 3 disposed along a vertical direction, wherein the flat plates 3 are disposed horizontally, and a height adjusting member is installed between any two adjacent flat plates 3.
The height adjusting piece comprises a driving piece 2 and connecting rods 1 which are not less than two and are arranged in parallel, two ends of each connecting rod 1 are respectively connected with the surfaces of two adjacent flat plates 3 in a rotating mode, the driving piece 2 drives one of the connecting rods 1 to rotate, the two adjacent flat plates 3 and the connecting rods 1 between the two flat plates 3 enable the two flat plates 3 to form a parallelogram-shaped structure, the two flat plates 3 can parallelly stagger along the length direction, and the distance between the two flat plates 3 in the vertical direction changes along with the rotation of the connecting rods 1.
The driving piece 2 of each height adjusting piece drives the connecting rod 1 to topple over so that the flat plates 3 are stacked in a staggered mode and the flat plates 3 are in a storage state, and at the moment, the lifting platform is low in height, low in center of gravity, small in size and convenient to move, transport or place.
The driving piece 2 of each height adjusting piece drives the connecting rod 1 to rise to enable the distance between the adjacent flat plates 3 to be increased and the flat plates 3 to be in a rising state, the vertical projection of the whole gravity center of the lifting platform falls on the flat plate 3 at the bottom, the lifting platform is prevented from overturning, a worker rises along with the flat plate 3 at the top, and the high-altitude operation of the worker is facilitated.
As shown in fig. 3, the driving members 2 of the uppermost height adjusting members drive the connecting rods 1 to tilt, and the flat plates 3 corresponding to the height adjusting members are stacked in a staggered manner, so that the operating area of the lifting platform is expanded.
Preferably, the side of the upper surface of the uppermost flat plate 3 is welded or bolted with a rail 6, the rail 6 provides a safety enclosure for workers on the uppermost flat plate 3, and the workers can hang a safety rope on the rail 6.
Further, the driving part 2 is a telescopic hydraulic cylinder or an electric push rod; two ends of the driving piece 2 are respectively and rotatably connected with the middle part of the connecting rod 1 and the vertical side surface of the flat plate 3, or the flat plate 3 is provided with a mounting hole, and two ends of the driving piece 2 are respectively and rotatably connected with the middle part of the connecting rod 1 and the inner wall of the mounting hole; at least one end of the driving part 2 in the height adjusting part and any part of the connecting rod 1 are not positioned at the same height, and the connecting rod 1 and the driving part 2 are not parallel all the time.
Every flexible pneumatic cylinder all passes through hydraulic pressure union coupling with outside liquid pump, and the setting is buckled in succession to preferred hydraulic pressure pipe and the hydraulic pressure pipe department of buckling is fixed on dull and stereotyped 3 to be convenient for the hydraulic pressure pipe along with dull and stereotyped 3 risees and expand, guarantee that hydraulic pressure pipe safe and reliable provides hydraulic power for flexible pneumatic cylinder, the control mechanism on the liquid pump controls every flexible pneumatic cylinder alone is known technology, does not need to be repeated here.
Each electric push rod is electrically connected with an external control switch group through a cable, preferably, the cable is spirally arranged, or the cable is bent to be arranged and the bent part of the cable is fixed on the flat plate 3, so that the cable can be conveniently unfolded along with the rising of the flat plate 3, the power supply of the electric push rods is ensured, and the control switch group independently controls each electric push rod is a known technology and is not described herein any more.
The telescopic hydraulic cylinder or the electric push rod used in the invention is a common push-pull component in the prior art, and the working mode, the control method and the structure thereof are all known technologies and are not described herein.
The rotary connection of the present embodiment includes, but is not limited to, a pin rotary connection, a hinge rotary connection, and a hinge base rotary connection.
The height difference of two adjacent flat plates 3 after being completely lifted and unfolded is 40-200 cm; the flat plate 3 is a metal plate, a perforated net plate or a metal rod which is welded into a frame, and then a metal net or a plate is laid on the frame.
The working process and principle of the embodiment are as follows:
the two adjacent flat plates 3 and the connecting rod 1 between the two flat plates 3 enable the two flat plates 3 to form a parallelogram-like structure, the two flat plates 3 can parallelly shift along the length direction, and the height between the two flat plates 3 in the vertical direction changes along with the rotation of the connecting rod 1.
As shown in figure 1, the lifting platform is in a storage state, the driving piece 2 of each height adjusting piece drives the connecting rod 1 to tilt so as to enable the flat plates 3 to be stacked in a staggered mode, and at the moment, the lifting platform is low in height, low in center of gravity, small in size and convenient to move, transport or place.
As shown in fig. 2, the driving member 2 of each height adjusting member drives the connecting rod 1 to rise to increase the distance between the adjacent flat plates 3, and the vertical projection of the whole gravity center of the lifting platform falls on the flat plate 3 at the bottom, so that the gravity center of the lifting platform is prevented from being deviated and overturned, a worker rises along with the flat plate 3 at the top, and the lifting operation of the worker is facilitated.
As shown in fig. 3, the driving members 2 of the uppermost height adjusting members drive the connecting rods 1 to tilt, the flat plates 3 corresponding to the height adjusting members are stacked in a staggered manner, and the operating area of the lifting platform is expanded.
The flat plates 3 of the lifting platform are sequentially lifted from top to bottom, and goods are placed on each flat plate 3 before the flat plates are lifted, so that the lifting platform can be used as a goods storage rack, and the stacking area of the goods which cannot be stacked is reduced; when goods on this lift platform need take off, dull and stereotyped 3 falls down along from the bottom up's order in proper order.
Goods such as household appliances, porcelain, glass articles cannot be stacked.
Example two: as shown in fig. 4 and 5, the present embodiment discloses a lifting platform with a variable operation area, which has a structure substantially the same as that of the first embodiment, except that the top plate 3 and a plurality of adjacent plates 3 of the present embodiment are all shifted to the same side; as shown in fig. 4, the flat plate 3 which is offset to the same side provides a new working station, and when the construction work needs to be performed at the same position and different heights, the new working station increases the construction efficiency.
Further, still include the protection lever 7, the both ends of protection lever 7 periphery side all are fixed with stopper 71, all seted up the joint hole on the dull and stereotyped 3 of same one side skew dull and stereotyped 3 top and below, the upper and lower both ends of protection lever 7 respectively with two joint hole joint, protection lever 7 provides the support to two dull and stereotyped 3 of the top of the work station that adds and below, avoid the work station department altitude mixture control spare that adds to lead to the height-reducing because of damaging, guarantee the work safety of the work station department workman that adds newly.
Further, the guard bar 7 comprises an adjusting screw 72 and a sleeve 73, one end of the adjusting screw 72 extends into the inner cavity of the sleeve 73 and is in threaded connection with the inner cavity of the sleeve 73, and a limit block 71 is fixed at one end of the outer peripheral side of the adjusting screw 72, which is far away from the sleeve 73, and one end of the outer peripheral side of the sleeve 73, which is far away from the adjusting screw 72; the sleeve 73 is rotated, the sleeve 73 and the adjusting screw 72 rotate relatively, the overlapping length of the sleeve 73 and the adjusting screw 72 changes, namely the length of the protective rod 7 changes, and the protective rod 7 adapts to the height change of a newly added working station, so that the working safety of the newly added working station is ensured.
The protective rod 7 can also be replaced by a telescopic rod with adjustable length and fixed length or a supporting screw rod with nuts arranged at both ends.
Example three: as shown in fig. 6, 7 and 8, the present embodiment discloses a lifting platform with a variable operation area, and on the basis of the first embodiment or the second embodiment, each flat plate 3 of the present embodiment is offset to one end in the length direction; the flat plates 3 form an inclined ladder, the uppermost flat plate 3 is abutted against, lapped on or fixed on an object at a high position, or a balance weight is placed on the lower flat plate 3, or the lowermost flat plate 3 is fixed on an external placing plane through bolts or welded.
The lifting platform in the inclined ladder state is convenient for people to get on and off high places and people to be quickly evacuated under the conditions of fire, emergency and the like; or is convenient for operating the high space with sundries below.
As shown in fig. 7, a plurality of adjacent flat plates 3 are obliquely stacked together in the same direction, so that the transverse span of the lifting platform is increased, and the application range of the lifting platform is enlarged.
Furthermore, a mounting hole is formed in the flat plate 3, two ends of the driving piece 2 are respectively and rotatably connected with the middle part of the connecting rod 1 and the inner wall of the mounting hole, the width of the flat plate 3 is gradually increased from top to bottom, and two ends of the upper surface of each flat plate 3 in the width direction are respectively fixed with a handrail 6; railing 6 does not influence and removes rather than the dull and stereotyped 3 of top, and railing 6 forms the side protection of this lift platform of inclined ladder state, and personnel's safety about this lift platform of protection along the inclined ladder state.
To reduce costs, the several panels 3 located below may not be provided with balustrades 6.
Example four: as shown in fig. 1 to 8, in the present embodiment, a lifting platform with a variable operation area is disclosed, in any one of the first embodiment, the second embodiment, or the third embodiment, an auxiliary supporting member 5 capable of horizontally expanding is installed on the lowermost flat plate 3 in the present embodiment, the auxiliary supporting member 5 includes a rotating rod 52, one end of the rotating rod 52 is horizontally and rotatably connected with the surface of the lowermost flat plate 3, a vertical screw hole is formed at the other end of the rotating rod 52, a screw 53 is installed in the vertical screw hole, a contact plate 54 is installed at the lower end of the screw 53, and a handle 51 is installed at the upper end of the screw 53.
Preferably, the auxiliary support 5 is mounted at the top corner of the plate 3.
Before this lift platform used, auxiliary support piece 5 expandes, and dull and stereotyped 3 is kept away from to auxiliary support piece 5's dwang 52, through the rotatory screw rod 53 of handle 51, and screw rod 53 drives contact plate 54 top on placing the plane, and every auxiliary support piece 5 all expandes, increases this lift platform's the firm degree of support.
Four wheels 4 are arranged on the lower surface of the plate 3 at the lowest part, so that the lifting platform can move conveniently, before the lifting platform is used, the auxiliary supporting piece 5 is unfolded, and the contact plate 54 and the friction force between the placing planes can prevent the lifting platform from moving in the using process.
The handle 51 and the screw 53 are replaced with a hand jack, and both ends of the hand jack are respectively connected to the lower surface of the rotating rod 52 at the end away from the flat plate 3 and the middle portion of the upper surface of the contact plate 54.
The parts which are not disclosed in the invention are all the prior art, and the specific structure, the materials and the working principle are not detailed; the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, simplifications, which do not depart from the principle of the present invention, should be equivalent substitutions for those of ordinary skill in the art, which should be covered by the scope of the claims and the specification of the present invention.
Claims (10)
1. The utility model provides a changeable lift platform of operational area which characterized in that: the device comprises a plurality of flat plates (3) arranged along the vertical direction, and a height adjusting piece is arranged between any two adjacent flat plates (3);
the height adjusting piece comprises a driving piece (2) and at least two connecting rods (1) which are arranged in parallel, two ends of each connecting rod (1) are respectively and rotatably connected with the surfaces of two adjacent flat plates (3), and the driving piece (2) drives one connecting rod (1) to rotate;
the driving piece (2) of each height adjusting piece drives the connecting rod (1) to topple, so that the flat plates (3) are stacked in a staggered mode, and the flat plates (3) are in a storage state;
the driving piece (2) of each height adjusting piece drives the connecting rod (1) to rise, so that the distance between the adjacent flat plates (3) is increased, and the flat plates (3) are in a rising state;
the driving pieces (2) of the plurality of height adjusting pieces at the top drive the connecting rods (1) to topple over, and the flat plates (3) are stacked in a staggered mode, so that the operation area of the flat plates (3) forming a plane is enlarged.
2. The variable-operating-area lifting platform of claim 1, wherein: the driving part (2) is a telescopic hydraulic cylinder or an electric push rod, and two ends of the driving part (2) are respectively connected with the middle part of the connecting rod (1) and the surface of the flat plate (3) in a rotating mode.
3. Lifting platform with variable operating area according to claims 1-2, characterised in that: the adjacent flat plates (3) are all deviated to the same side.
4. The variable operating area lift platform of claim 3, wherein: still include fender rod (7), the both ends of fender rod (7) periphery side all are fixed with stopper (71), have all seted up the joint hole on dull and stereotyped (3) of same one side skew dull and stereotyped (3) top and below, the upper and lower both ends of fender rod (7) respectively with two joint hole joints.
5. The variable operating area lift platform of claim 4, wherein: the guard bar (7) comprises an adjusting screw rod (72) and a sleeve (73), one end of the adjusting screw rod (72) extends into the inner cavity of the sleeve (73) and is in threaded connection with the inner cavity of the sleeve (73), and a limiting block (71) is fixed at one end, far away from the sleeve (73), of the outer peripheral side of the adjusting screw rod (72) and at one end, far away from the adjusting screw rod (72), of the outer peripheral side of the sleeve (73).
6. The variable-operating-area lifting platform of claim 1, wherein: a railing (6) is fixed on the side edge of the upper surface of the uppermost flat plate (3).
7. The variable operating area lift platform of any one of claims 1 to 6, wherein: each plate (3) is offset towards one end in its length direction.
8. The variable-operating-area lifting platform of claim 7, wherein: the width of the flat plates (3) is gradually increased from top to bottom, and railings (6) are fixed at two ends of the upper surface of each flat plate (3) in the width direction.
9. The variable operating area lift platform of any one of claims 1 to 8, wherein: but install supplementary support piece (5) that the level expanded on dull and stereotyped (3) of below, supplementary support piece (5) are including dwang (52), the surface level of the one end of dwang (52) and below dull and stereotyped (3) rotates to be connected, vertical screw has been seted up to the other end of dwang (52), screw rod (53) are installed to vertical screw, contact plate (54) are installed to the lower extreme of screw rod (53), handle (51) are installed to the upper end of screw rod (53).
10. The variable-operating-area lifting platform of claim 9, wherein: the lower surface of the lowest flat plate (3) is provided with four wheels (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110297234.7A CN113023631B (en) | 2021-03-19 | 2021-03-19 | Lifting platform with variable operation area |
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| CN202110297234.7A CN113023631B (en) | 2021-03-19 | 2021-03-19 | Lifting platform with variable operation area |
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| CN113023631B CN113023631B (en) | 2022-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109004A (en) * | 2021-12-15 | 2022-03-01 | 宋华金 | Safe lifting construction working platform |
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| CN103027536A (en) * | 2012-12-24 | 2013-04-10 | 珠海亿能电力科技有限公司 | Electric switching trolley storage device capable of switching drive manually and automatically |
| CN104229678A (en) * | 2014-08-22 | 2014-12-24 | 安庆市天润工程机械有限责任公司 | Carrying trolley for large-size oil cylinder |
| CN204529219U (en) * | 2015-04-02 | 2015-08-05 | 樊薇 | A kind of Hydraulic support platform |
| CN105129659A (en) * | 2015-08-20 | 2015-12-09 | 江苏亘德科技有限公司 | Thread jack with rapid jacking function |
| CN106241655A (en) * | 2015-11-18 | 2016-12-21 | 无锡市友佳车辆配件厂 | The transfer device of vehicle frame |
| CN205400012U (en) * | 2016-03-02 | 2016-07-27 | 国网山东省电力公司胶州市供电公司 | Power maintenance elevating gear |
| CN107827029A (en) * | 2017-12-08 | 2018-03-23 | 肇庆汪隆方圆模具制品有限公司 | A kind of Multifunctional stage crane of simple operation |
| CN210064504U (en) * | 2019-05-24 | 2020-02-14 | 北京鑫路顺汽车配件厂 | Placing device |
| CN111503484A (en) * | 2020-04-28 | 2020-08-07 | 哈尔滨工业大学 | Displacement meter fixing device used in structure or component loading test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109004A (en) * | 2021-12-15 | 2022-03-01 | 宋华金 | Safe lifting construction working platform |
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| Publication number | Publication date |
|---|---|
| CN113023631B (en) | 2022-10-14 |
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Denomination of invention: A lifting platform with variable operating area Effective date of registration: 20231122 Granted publication date: 20221014 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Jiyang branch Pledgor: JINAN JINLI HYDRAULIC MACHINERY Co.,Ltd. Registration number: Y2023980066991 |
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Denomination of invention: A lifting platform with variable operating area Effective date of registration: 20231129 Granted publication date: 20221014 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Jiyang branch Pledgor: JINAN JINLI HYDRAULIC MACHINERY Co.,Ltd. Registration number: Y2023980068233 |
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