CN112551425A - Heavy-load lifting platform - Google Patents
Heavy-load lifting platform Download PDFInfo
- Publication number
- CN112551425A CN112551425A CN202011583926.XA CN202011583926A CN112551425A CN 112551425 A CN112551425 A CN 112551425A CN 202011583926 A CN202011583926 A CN 202011583926A CN 112551425 A CN112551425 A CN 112551425A
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- Prior art keywords
- platform
- lifting
- hinge pin
- driven
- lifting platform
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0633—Mechanical arrangements not covered by the following subgroups
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention particularly discloses a heavy-load lifting platform which comprises a supporting platform and a lifting platform arranged above the supporting platform; sliding parts are symmetrically arranged at the side end of the lifting platform; the side end of the support platform is symmetrically provided with positioning components; the sliding component is in sliding connection with the positioning component so as to realize vertical lifting or descending of the lifting platform; a driven hinge frame and a driving hinge frame for lifting the lifting platform are arranged between the supporting platform and the lifting platform; a power device for driving the driving hinged frame to rotate is arranged between the supporting table and the lifting table; a transmission device for transmitting the action of the driving hinged frame to the driven hinged frame is arranged between the supporting table and the lifting table; the transmission device is used for realizing synchronous lifting or descending of the driven hinge frame and the driving hinge frame. The invention can ensure that the lifting platform is always in a horizontal state, can avoid the lifting platform from being inclined in the lifting or heavy-load process, and is simpler and more convenient to use.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a heavy-load lifting platform.
Background
The main function of the lift platform is to move the loaded items from low to high or from high to low. The known lifting platform is simply used as a hoisting loading device, and commonly used structural modes include a scissor fork type, a single-arm type, a double-arm type and the like. These structures of the lifting platform present the following drawbacks: firstly, the loading capacity is poor, and when the lifting platform is in a heavy-load state, the scissor-type structure is easy to incline, so that the lifting platform cannot be in a horizontal state; secondly, the positioning precision is poor, the positioning is difficult to be accurately positioned at an ideal height position, and the height deviation is overlarge; and thirdly, the full stroke horizontal precision is poor, and when the lifting platform is lifted in a reciprocating manner within the stroke range, the horizontal precision of the platform is difficult to keep consistent.
The existing industrial system does not meet the lifting function of a lifting platform any more, and more lifting equipment which can participate in the production process and can provide accurate control can be provided by matching with main equipment.
Disclosure of Invention
Aiming at the defects of poor loading capacity, poor positioning accuracy, poor horizontal accuracy and the like of the conventional lifting platform, the invention provides a heavy-load lifting platform which is used for overcoming the defects.
A heavy-load lifting platform comprises a supporting platform and a lifting platform arranged above the supporting platform; sliding parts are symmetrically arranged at the side end of the lifting platform; the side end of the support platform is symmetrically provided with positioning components; the sliding component is in sliding connection with the positioning component so as to realize vertical lifting or descending of the lifting platform; a driven hinge frame and a driving hinge frame for lifting the lifting platform are arranged between the supporting platform and the lifting platform; a power device for driving the driving hinged frame to rotate is arranged between the supporting table and the lifting table; a transmission device for transmitting the action of the driving hinged frame to the driven hinged frame is arranged between the supporting table and the lifting table; the transmission device is used for realizing synchronous lifting or descending of the driven hinge frame and the driving hinge frame.
As a preferred scheme, a first installation slot position, a second installation slot position, a third installation slot position and a fourth installation slot position are symmetrically arranged on the upper surface of the support platform along the length direction of the support platform; the first mounting groove position and the second mounting groove position are arranged on the same side of the support platform; the third mounting slot position and the fourth mounting slot position are arranged on the other side of the supporting platform.
As a preferred scheme, transition slot positions are symmetrically arranged at two ends of the supporting platform; the positioning component is arranged corresponding to the transition groove; the transition slot position is used for moving of the sliding part during descending; and heightening groove positions are symmetrically arranged in the middle of the supporting table.
Preferably, the transmission device comprises a driving shaft, a driven shaft and a transmission shaft; two ends of the driving shaft are provided with first mounting seats; the first mounting seat is mounted on the second mounting groove position of the support table; two ends of the driven shaft are provided with second mounting seats; the second mounting seat is mounted on a third mounting groove of the support table; third mounting seats are symmetrically arranged on the transmission shaft; the third mounting seat is mounted on the heightening slot position of the supporting table.
As a preferred scheme, a driving bevel gear is arranged on the driving shaft; a driven bevel gear is arranged on the driven shaft; one end of the transmission shaft is provided with a first transmission bevel gear meshed with the driving bevel gear; and a second transmission bevel gear meshed with the driven bevel gear is arranged at the other end of the transmission shaft.
Preferably, the active hinge mount comprises an active hinge; one end of the active hinge part is hinged with a first upper hinge pin and a first lower hinge pin; the first upper hinge pin is connected with the lifting platform through a first upper fixing seat; the first lower hinge pin is arranged on a first mounting groove of the support table through a first lower fixing seat; the other end of the active hinge part is hinged with a second upper hinge pin and a second lower hinge pin; the second upper hinge pin is connected with the lifting platform through a second upper fixing seat; the second lower hinged leg is sleeved on the driving shaft.
Preferably, the driven hinge bracket comprises a driven hinge; one end of the driven hinge part is hinged with a third upper hinge pin and a third lower hinge pin; the third upper hinge pin is connected with the lifting platform through a third upper fixing seat; the third lower hinge pin is arranged on a fourth mounting groove of the support table through a second lower fixing seat; the other end of the driven hinge part is hinged with a fourth upper hinge pin and a fourth lower hinge pin; the fourth upper hinge pin is connected with the lifting platform through a fourth upper fixing seat; the fourth lower hinge pin is sleeved on the driven shaft.
Preferably, the power device comprises an oil cylinder and a piston rod; the piston rod is controlled by the oil cylinder; a fixed block is arranged at one end of the oil cylinder, which is far away from the piston rod; a push plate is arranged at one end of the piston rod, which is far away from the oil cylinder; a pushing block is arranged at one end of the active hinge part close to the second upper hinge pin; the push plate is connected with the push block; a fixing plate is arranged at one end of the driven hinge part close to the fourth upper hinge pin; the fixed block is connected with the fixed plate.
Preferably, the sliding part comprises a connecting plate arranged at the bottom of the lifting platform; a follow-up plate is vertically arranged on the connecting plate; and a positioning slide rail is arranged on the outer end face of the follow-up plate.
Preferably, the positioning member comprises a support; the supporting piece is arranged corresponding to the transition groove; the inner end face of the support piece is provided with a positioning groove block; the positioning slide rail is connected with the positioning groove block in a sliding manner.
Has the advantages that: the driving hinged frame is driven by the power device to bend, descend or extend and ascend, the driving hinged frame drives the driven hinged frame to synchronously bend, descend or extend and ascend through the transmission device, so that the lifting table is always in a horizontal state, the sliding component and the positioning component play a role in sliding and limiting, the vertical lifting or descending of the lifting table can be ensured, the lifting table is prevented from being inclined in the lifting or heavy-load process, the horizontal positioning precision is effectively improved, and the use is simpler and more convenient.
Drawings
Fig. 1 is a schematic structural view (raised state) of the present invention.
Fig. 2 is a schematic view of the structure of the present invention (descending state).
Fig. 3 is an exploded view of the present invention.
FIG. 4 is a schematic view of a support stage according to the present invention.
Fig. 5 is a schematic structural view of the driven hinge bracket of the present invention.
Fig. 6 is a schematic structural view of the active hinge frame of the present invention.
Fig. 7 is a schematic structural diagram of the power device of the invention.
Fig. 8 is a schematic structural view of the transmission device of the present invention.
Fig. 9 is an assembly view of the slide member and the positioning member of the present invention.
In the figure: 1-a lifting platform; 2-supporting the table; 3-driven hinged frame; 4-active articulated frame; 5-a power plant; 6-a sliding member; 7-a positioning member; 8-a transmission device; 201-a first installation slot; 202-a second installation slot; 203-a third mounting slot; 204-a fourth installation slot; 205-raising slot position; 206-transition slot position; 301-a driven hinge; 302-a third upper hinge pin; 303-a third upper fixing base; 304-a third lower hinge pin; 305-a second lower fixed seat; 306-a fourth upper hinge pin; 307-a fourth upper fixed seat; 308-a fourth lower hinge pin; 309-fixing plate; 401 — active hinge; 402-a first upper hinge foot; 403-a first upper fixed seat; 404-a first lower hinge pin; 405-a first lower fixed seat; 406-a second upper hinge pin; 407-a second upper fixed seat; 408-a second lower hinge pin; 409-a pushing block; 501-oil cylinder; 502-fixed block; 503-a piston rod; 504-push plate; 601-a follower plate; 602-a connection plate; 603-positioning a slide rail; 701-a support; 702-positioning a groove block; 801-driving shaft; 802-a first mount; 803-drive bevel gear; 804-driven shaft; 805-a second mount; 806-driven bevel gear; 807-a drive shaft; 808-a third mount; 809 — first drive bevel gear; 810-second drive bevel gear.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top", "bottom", "near", "far", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the present invention provides a heavy-duty lifting platform, which comprises a supporting platform 2 and a lifting platform 1 disposed above the supporting platform 2; sliding components 6 are symmetrically arranged at the side end of the lifting platform 1; the side end of the support table 2 is symmetrically provided with positioning components 7; the sliding component 6 is connected with the positioning component 7 in a sliding way so as to realize the vertical lifting or descending of the lifting platform 1; a driven hinge frame 3 and a driving hinge frame 4 for lifting the lifting platform 1 are arranged between the supporting platform 2 and the lifting platform 1; a power device 5 for driving the driving hinged frame 4 to rotate is arranged between the supporting table 2 and the lifting table 1; a transmission device 8 for transmitting the action of the driving hinged frame 4 to the driven hinged frame 3 is arranged between the support table 2 and the lifting table 1; the transmission device 8 is used for realizing synchronous lifting or descending of the driven hinge frame 3 and the driving hinge frame 4; according to the invention, the power device 5 drives the driving hinge frame 4 to bend, descend or extend and ascend, and the driving hinge frame 4 drives the driven hinge frame 3 to synchronously bend, descend or extend and ascend through the transmission device 8, so that the lifting table 1 is always in a horizontal state, the sliding part 6 and the positioning part 7 play a role in sliding and limiting, the vertical lifting or descending of the lifting table 1 can be ensured, the lifting table 1 is prevented from being inclined in the lifting or heavy-load process, and the use is simpler and more convenient.
As shown in fig. 2, in some examples of the present invention, a first installation slot 201, a second installation slot 202, a third installation slot 203 and a fourth installation slot 204 are symmetrically formed on the upper surface of the support platform 2 along the length direction thereof; the first installation slot 201 and the second installation slot 202 are arranged on the same side of the support table 2; the third mounting slot position 203 and the fourth mounting slot position 204 are arranged on the other side of the support platform 2; transition groove positions 206 are symmetrically arranged at two ends of the support table 2; the positioning part 7 is arranged corresponding to the transition slot position 206; the transition slot position 206 is used for the walking position of the sliding part 6 during descending; the middle part of the support platform 2 is symmetrically provided with heightening groove positions 205.
As shown in fig. 8, in some examples of the invention, the transmission 8 includes a driving shaft 801, a driven shaft 804 and a transmission shaft 807; two ends of the driving shaft 801 are provided with first mounting seats 802; the first mounting seat 802 is mounted on the second mounting slot 202 of the support table 2; two ends of the driven shaft 804 are provided with second mounting seats 805; the second mounting seat 805 is mounted on the third mounting slot 203 of the support table 2; the transmission shaft 807 is symmetrically provided with third mounting seats 808; the third mounting seat 808 is mounted on the heightening slot 205 of the support table 2; a driving bevel gear 803 is arranged on the driving shaft 801; a driven bevel gear 806 is arranged on the driven shaft 804; one end of the transmission shaft 807 is provided with a first transmission bevel gear 809 engaged with the drive bevel gear 803; the other end of the transmission shaft 807 is provided with a second transmission bevel gear 810 engaged with the driven bevel gear 806.
As shown in fig. 6, in some examples of the invention, the active hinge mount 4 includes an active hinge 401; one end of the active hinge 401 is hinged with a first upper hinge pin 402 and a first lower hinge pin 404; the first upper hinge pin 402 is connected with the lifting platform 1 through a first upper fixing seat 403; the first lower hinge pin 404 is mounted on the first mounting slot 201 of the support table 2 through the first lower fixing seat 405; the other end of the active hinge 401 is hinged with a second upper hinge pin 406 and a second lower hinge pin 408; the second upper hinge pin 406 is connected to the lifting platform 1 through a second upper fixing seat 407; the second lower hinge pin 408 is sleeved on the driving shaft 801.
As shown in fig. 5, in some examples of the invention, the driven hinge mount 3 comprises a driven hinge 301; one end of the driven hinge joint 301 is hinged with a third upper hinge joint leg 302 and a third lower hinge joint leg 304; the third upper hinge pin 302 is connected with the lifting platform 1 through a third upper fixing seat 303; the third lower hinge pin 304 is mounted on the fourth mounting slot 204 of the supporting platform 2 through the second lower fixing seat 305; the other end of the driven hinge joint 301 is hinged with a fourth upper hinge joint pin 306 and a fourth lower hinge joint pin 308; the fourth upper hinge pin 306 is connected with the lifting platform 1 through a fourth upper fixing seat 307; the fourth lower hinge pin 308 is sleeved on the driven shaft 804.
As shown in fig. 7, in some examples of the invention, the power unit 5 includes a cylinder 501 and a piston rod 503; the piston rod 503 is controlled by the oil cylinder 501; a fixed block 502 is arranged at one end of the oil cylinder 501, which is far away from the piston rod 503; a push plate 504 is arranged at one end of the piston rod 503, which is far away from the oil cylinder 501; a pushing block 409 is arranged at one end of the active hinge part 401 close to the second upper hinge pin 406; the push plate 504 is connected with the push block 409; a fixing plate 309 is arranged at one end of the driven hinge joint 301 close to the fourth upper hinge pin 306; the fixing block 502 is connected to the fixing plate 309.
As shown in fig. 9, in some examples of the invention, the sliding member 6 includes a connecting plate 602 mounted at the bottom of the lifting table 1; a follow-up plate 601 is vertically arranged on the connecting plate 602; a positioning slide rail 603 is arranged on the outer end face of the follow-up plate 601; the positioning member 7 includes a support 701; the supporting piece 701 is arranged corresponding to the transition slot position 206; a positioning groove block 701 is arranged on the inner end face of the support member 701; the positioning slide rail 603 is slidably connected to the positioning slot block 701.
In other embodiments of the present invention, the cylinder may be replaced with an electric cylinder.
The working principle is as follows: referring to fig. 1 to 9, when the lift is raised, the oil cylinder 501 supplies oil, at this time, the piston rod 503 is pushed out, the push plate 504 on the piston rod 503 pushes the driving hinge 401 to move outwards, at this time, the included angle between the second upper hinge pin 406 hinged to the driving hinge 401 and the second lower hinge pin 408 is increased, and at the same time, the included angle between the first upper hinge pin 402 and the first lower hinge pin 404 is also increased, the lift platform 1 is gradually raised, the second lower hinge pin 408 drives the driving shaft 801 to rotate in the rotating process, because the driving shaft 801 is provided with the driving bevel gear 803, the driving shaft 801 rotates to drive the driving bevel gear 803 to rotate, and then the driving shaft 807 rotates through the first transmission bevel gear 809, the driving shaft drives the driven bevel gear 806 to rotate through the second transmission bevel gear 801, because the driven bevel gear 806 is arranged on the driven shaft 804, the driven bevel gear 806 rotates, the rotating directions of the driving shaft 801 and the driven shaft 804 are opposite, the driven shaft 804 drives the fourth lower hinge pin 308 to rotate outwards, at the moment, the driven hinge 301 is forced to be pushed outwards, namely, the included angle between the fourth lower hinge pin 308 and the fourth upper hinge pin is increased, and the included angle between the third upper hinge pin 302 and the third lower hinge pin 304 is increased, so that the other end of the lifting platform 1 is lifted, and the second lower hinge pin 408 can directly transmit power to the fourth lower hinge pin 308 through the transmission device 8, so that the stable lifting of the lifting platform 1 can be ensured; when the lifting platform descends, the oil cylinder 501 receives oil, and other components reversely act to realize the stable descending of the lifting platform 1; a follow-up plate 601 is arranged at the side end of the lifting platform 1, and a positioning slide rail 603 is arranged on the follow-up plate 601; a support 701 is arranged at the side end of the support platform 2; the supporting piece 701 is provided with a positioning groove block 702, in the descending process, the positioning slide rail 603 always moves longitudinally along the positioning groove block 702, the vertical lifting or descending of the lifting platform 1 can be ensured, the condition that the lifting platform 1 inclines in the ascending and descending process is avoided, when the lifting platform 1 descends to the lowest position, the parts of the follow-up plate 601 and the positioning slide rail 603 extend into the transition groove position 206 at the side end of the supporting platform 2, and the effects that the actions of the follow-up plate 601 and the positioning slide rail 603 and the actions of the driven hinge frame 3 and the driving hinge frame 4 cannot avoid and cannot achieve complete descending are avoided.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a heavy load lift platform which characterized in that: comprises a supporting platform and a lifting platform arranged above the supporting platform; sliding parts are symmetrically arranged at the side end of the lifting platform; the side end of the support platform is symmetrically provided with positioning components; the sliding component is in sliding connection with the positioning component so as to realize vertical lifting or descending of the lifting platform; a driven hinge frame and a driving hinge frame for lifting the lifting platform are arranged between the supporting platform and the lifting platform; a power device for driving the driving hinged frame to rotate is arranged between the supporting table and the lifting table; a transmission device for transmitting the action of the driving hinged frame to the driven hinged frame is arranged between the supporting table and the lifting table; the transmission device is used for realizing synchronous lifting or descending of the driven hinge frame and the driving hinge frame.
2. The heavy-duty lifting platform according to claim 1, wherein the upper surface of the supporting platform is symmetrically provided with a first installation slot, a second installation slot, a third installation slot and a fourth installation slot along the length direction of the supporting platform; the first mounting groove position and the second mounting groove position are arranged on the same side of the support platform; the third mounting slot position and the fourth mounting slot position are arranged on the other side of the supporting platform.
3. The heavy-duty lifting platform according to claim 2, wherein transition slots are symmetrically formed at both ends of the supporting platform; the positioning component is arranged corresponding to the transition groove; the transition slot position is used for moving of the sliding part during descending; and heightening groove positions are symmetrically arranged in the middle of the supporting table.
4. The heavy-duty lift platform of claim 3, wherein said transmission means comprises a drive shaft, a driven shaft and a drive shaft; two ends of the driving shaft are provided with first mounting seats; the first mounting seat is mounted on the second mounting groove position of the support table; two ends of the driven shaft are provided with second mounting seats; the second mounting seat is mounted on a third mounting groove of the support table; third mounting seats are symmetrically arranged on the transmission shaft; the third mounting seat is mounted on the heightening slot position of the supporting table.
5. The heavy-duty lift platform of claim 4, wherein said drive shaft is provided with a drive bevel gear; a driven bevel gear is arranged on the driven shaft; one end of the transmission shaft is provided with a first transmission bevel gear meshed with the driving bevel gear; and a second transmission bevel gear meshed with the driven bevel gear is arranged at the other end of the transmission shaft.
6. The heavy duty lift platform of claim 5 wherein said active hinge bracket includes an active hinge; one end of the active hinge part is hinged with a first upper hinge pin and a first lower hinge pin; the first upper hinge pin is connected with the lifting platform through a first upper fixing seat; the first lower hinge pin is arranged on a first mounting groove of the support table through a first lower fixing seat; the other end of the active hinge part is hinged with a second upper hinge pin and a second lower hinge pin; the second upper hinge pin is connected with the lifting platform through a second upper fixing seat; the second lower hinged leg is sleeved on the driving shaft.
7. The heavy-duty lift platform of claim 6, wherein said driven hinge bracket includes a driven hinge; one end of the driven hinge part is hinged with a third upper hinge pin and a third lower hinge pin; the third upper hinge pin is connected with the lifting platform through a third upper fixing seat; the third lower hinge pin is arranged on a fourth mounting groove of the support table through a second lower fixing seat; the other end of the driven hinge part is hinged with a fourth upper hinge pin and a fourth lower hinge pin; the fourth upper hinge pin is connected with the lifting platform through a fourth upper fixing seat; the fourth lower hinge pin is sleeved on the driven shaft.
8. The heavy duty lift platform of claim 7 wherein said power means comprises a cylinder and a piston rod; the piston rod is controlled by the oil cylinder; a fixed block is arranged at one end of the oil cylinder, which is far away from the piston rod; a push plate is arranged at one end of the piston rod, which is far away from the oil cylinder; a pushing block is arranged at one end of the active hinge part close to the second upper hinge pin; the push plate is connected with the push block; a fixing plate is arranged at one end of the driven hinge part close to the fourth upper hinge pin; the fixed block is connected with the fixed plate.
9. The heavy duty lift platform of claim 8 wherein said slide assembly includes a connecting plate mounted to the bottom of the lift platform; a follow-up plate is vertically arranged on the connecting plate; and a positioning slide rail is arranged on the outer end face of the follow-up plate.
10. The heavy-duty lift platform of claim 9, wherein said positioning member comprises a support member; the supporting piece is arranged corresponding to the transition groove; the inner end face of the support piece is provided with a positioning groove block; the positioning slide rail is connected with the positioning groove block in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583926.XA CN112551425A (en) | 2020-12-28 | 2020-12-28 | Heavy-load lifting platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583926.XA CN112551425A (en) | 2020-12-28 | 2020-12-28 | Heavy-load lifting platform |
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| CN112551425A true CN112551425A (en) | 2021-03-26 |
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|---|---|---|---|
| CN202011583926.XA Pending CN112551425A (en) | 2020-12-28 | 2020-12-28 | Heavy-load lifting platform |
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|---|---|---|---|---|
| EP0403404A2 (en) * | 1989-06-08 | 1990-12-19 | Centre Intergénération pour l'Emploi par le Développement des Initiatives Locales dans la Loire - C.I.E.D.I.L. | Support structure with adjustable height for various appliances |
| CN107226431A (en) * | 2016-03-25 | 2017-10-03 | 新乡市华航航空液压设备有限公司 | A kind of folding-jib hydraulic elevating platform |
| CN109019409A (en) * | 2018-09-21 | 2018-12-18 | 南京理工大学 | A kind of multi link lifting device |
| CN109573879A (en) * | 2018-12-28 | 2019-04-05 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
| CN209193469U (en) * | 2018-11-23 | 2019-08-02 | 中瑞机电工程(天津)有限公司 | Safe type movable hydraulic lift truck |
| CN209354069U (en) * | 2019-01-08 | 2019-09-06 | 河南能源化工建设集团有限公司 | A kind of support platform structure for coal mine drilling |
| CN214299087U (en) * | 2020-12-28 | 2021-09-28 | 佛山豪德数控机械有限公司 | Heavy-load lifting platform |
-
2020
- 2020-12-28 CN CN202011583926.XA patent/CN112551425A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0403404A2 (en) * | 1989-06-08 | 1990-12-19 | Centre Intergénération pour l'Emploi par le Développement des Initiatives Locales dans la Loire - C.I.E.D.I.L. | Support structure with adjustable height for various appliances |
| CN107226431A (en) * | 2016-03-25 | 2017-10-03 | 新乡市华航航空液压设备有限公司 | A kind of folding-jib hydraulic elevating platform |
| CN109019409A (en) * | 2018-09-21 | 2018-12-18 | 南京理工大学 | A kind of multi link lifting device |
| CN209193469U (en) * | 2018-11-23 | 2019-08-02 | 中瑞机电工程(天津)有限公司 | Safe type movable hydraulic lift truck |
| CN109573879A (en) * | 2018-12-28 | 2019-04-05 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
| CN209354069U (en) * | 2019-01-08 | 2019-09-06 | 河南能源化工建设集团有限公司 | A kind of support platform structure for coal mine drilling |
| CN214299087U (en) * | 2020-12-28 | 2021-09-28 | 佛山豪德数控机械有限公司 | Heavy-load lifting platform |
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