CN220467448U - Lifting device based on rigid chain - Google Patents
Lifting device based on rigid chain Download PDFInfo
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- CN220467448U CN220467448U CN202322174395.4U CN202322174395U CN220467448U CN 220467448 U CN220467448 U CN 220467448U CN 202322174395 U CN202322174395 U CN 202322174395U CN 220467448 U CN220467448 U CN 220467448U
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- rigid chain
- type telescopic
- sliding rail
- carrying platform
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000008093 supporting effect Effects 0.000 claims description 15
- 238000010008 shearing Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of rigid chains, in particular to a lifting device based on a rigid chain, which comprises a rigid chain device and a lifting platform matched with the rigid chain device, wherein the lifting platform comprises a base, cross-cut type telescopic mechanisms and a carrying platform, the cross-cut type telescopic mechanisms are arranged in number, the 4 cross-cut type telescopic mechanisms are respectively arranged at the 4 sides of the base, the carrying platform is arranged right above the base, the upper parts of the 4 cross-cut type telescopic mechanisms are matched with the 4 sides of the lower end face of the carrying platform, the rigid chain device is arranged on the base, and the lifting end of the rigid chain is fixedly connected with the bottom face of the carrying platform.
Description
Technical Field
The utility model relates to the technical field of rigid chains, in particular to a lifting device based on a rigid chain.
Background
In the technical field of lifting platforms, it is known to use lifting platforms of different structural forms to realize lifting and transferring of materials. The assembly precision, the assembly efficiency and the man-machine environment are also higher and higher. For large-scale workpiece assembly, a plurality of assembly lines of different types are involved, each assembly line is an effective combination of a person and a machine, conveying equipment, a follower fixture, detection equipment and the like are organically integrated together to meet the assembly requirement of the workpiece, at present, a rigid chain lifting mechanism is mainly adopted for the material assembly, but the conventional rigid chain lifting mechanism mainly adopts 2 symmetrical intersecting-shearing type telescopic frames as a stable structure, and after a lifting platform is lifted to a certain height, a main supporting mode is also a rigid chain supporting mode, when the weight of the material is overlarge or the material shakes, the carrying platform is inconvenient, and a large load is easily caused to a speed reducer output mechanism of the rigid chain, so that the equipment is overloaded and damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a lifting device based on a rigid chain.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting device based on the rigid chain comprises a rigid chain device and a lifting platform matched with the rigid chain device, wherein the lifting platform comprises a base, cross-cut type telescopic mechanisms and a carrying platform, the cross-cut type telescopic mechanisms are provided with 4, the 4 cross-cut type telescopic mechanisms are respectively arranged at the 4 sides of the base, the carrying platform is arranged right above the base, the upper parts of the 4 cross-cut type telescopic mechanisms are matched with the 4 sides of the lower end face of the carrying platform, the rigid chain device is arranged on the base, and the lifting and extending ends of the rigid chain are fixedly connected with the bottom face of the carrying platform;
the cross-cut type telescopic mechanism comprises an upper sliding rail, a lower sliding rail and a cross-cut type telescopic frame, wherein the upper sliding rail is arranged on the carrying platform, the lower sliding rail is arranged on the base, the upper sliding rail and the lower sliding rail are arranged on the same side in a right opposite mode, one connecting end of the upper end of the cross-cut type telescopic frame is hinged with the carrying platform, the other end of the upper end of the cross-cut type telescopic frame is hinged with the upper sliding rail, one connecting end of the lower end of the cross-cut type telescopic frame is hinged with the base, and the other end of the lower end of the cross-cut type telescopic frame is hinged with the lower sliding rail;
the upper sliding rail and the lower sliding rail are wedge-shaped limiting horizontal sliding rails, each horizontal sliding rail comprises a wedge-shaped sliding block and a horizontal rail, and limiting blocks are respectively arranged at two ends of each horizontal rail.
In some embodiments, the length direction of the upper surface of the horizontal track is provided with a limiting rack, the wedge-shaped sliding block is provided with a contact supporting rod matched with the limiting rack, one end of the contact supporting rod can be abutted on the limiting teeth of the limiting rack, the middle part of the contact supporting rod is rotationally connected with the wedge-shaped sliding block shaft, a spring is arranged between the wedge-shaped sliding block at the lower side surface of one end of the contact supporting rod, which is far away from the limiting rack, of the wedge-shaped sliding block, a pressure cylinder is arranged at the upper side surface of one end of the wedge-shaped sliding block, which is far away from the limiting rack, of the contact supporting rod, and the piston end of the pressure cylinder can be abutted on the upper side surface of the contact supporting rod.
In some embodiments, the connection point of the abutting rod and the rotating shaft of the wedge-shaped sliding block is located at one side close to the limiting rack.
In some of these embodiments, the matched limit racks are provided on all the upper and lower slide rails of the 4 scissor jack mechanisms.
In some embodiments, the limiting teeth on the limiting rack are arranged in a right-angle triangle shape, and the vertical plane of the limiting teeth is arranged towards one side of the wedge-shaped sliding block.
In some embodiments, one end of the abutting rod matched with the limiting rack is an arc-shaped end face.
Compared with the prior art, the utility model has the beneficial effects that: the structure stability of the carrying platform can be improved by arranging the cross-cut type telescopic mechanisms on the sides of the carrying platform 4 respectively;
through supporting the cooperation setting of feeler lever, spacing rack, spring and pressure cylinder, can realize spacing and loosen the slide rail for accomplish through crossing scissors formula telescopic machanism when supporting, accomplish through the rigid chain when going up and down, realize carrying the operation and the stable in structure dual effect of thing platform.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the application, and to provide a thorough description and understanding of the embodiments of the application.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of a structure of a sliding rail according to the present utility model.
Fig. 3 is a partial cross-sectional view of a slide rail of the present utility model.
In the figure: 1. a rigid chain means; 2. a base; 3. a cross-shearing type telescopic mechanism; 4. a carrying platform; 5. an upper slide rail; 6. a lower slide rail; 7. a cross-shearing type expansion bracket; 8. a wedge-shaped slide block; 9. a horizontal rail; 10. a limiting block; 11. a limit rack; 12. a touch-up rod; 13. a spring; 14. and a pressure cylinder.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the lifting device based on the rigid chain comprises a rigid chain device 1 and a lifting platform matched with the rigid chain device 1, wherein the lifting platform comprises a base 2, cross-cut type telescopic mechanisms 3 and a carrying platform 4, the cross-cut type telescopic mechanisms 3 are provided with 4, the 4 cross-cut type telescopic mechanisms 3 are respectively arranged at the 4 sides of the base 2, the carrying platform 4 is arranged over the base 2, the upper sides of the 4 cross-cut type telescopic mechanisms 3 are matched with the lower end surface 4 sides of the carrying platform 4, the rigid chain device 1 is arranged on the base 2, and the lifting end of the rigid chain is fixedly connected with the bottom surface of the carrying platform 4;
the cross-cut type telescopic mechanism 3 comprises an upper sliding rail 5, a lower sliding rail 6 and a cross-cut type telescopic frame 7, wherein the upper sliding rail 5 is arranged on the carrying platform 4, the lower sliding rail 6 is arranged on the base 2, the upper sliding rail 5 and the lower sliding rail 6 are arranged on the same side in a right opposite direction, one connecting end of the upper end of the cross-cut type telescopic frame 7 is hinged with the carrying platform 4, the other end of the upper end of the cross-cut type telescopic frame is hinged with the upper sliding rail 5, one connecting end of the lower end of the cross-cut type telescopic frame 7 is hinged with the base 2, and the other end of the lower end of the cross-cut type telescopic frame is hinged with the lower sliding rail 6;
the upper slide rail 5 and the lower slide rail 6 are wedge-shaped limiting horizontal slide rails, each horizontal slide rail comprises a wedge-shaped slide block 8 and a horizontal rail 9, and limiting blocks 10 are respectively arranged at two ends of each horizontal rail 9.
The 4 cross-shearing type telescopic mechanisms 3 are used for stably supporting the periphery of the carrying platform 44, so that the lifting stability of the carrying platform 4 is improved.
The upper surface length direction of horizontal track 9 is provided with spacing rack 11, be provided with on the wedge slider 8 with spacing rack 11 complex conflict pole 12, the one end of conflict pole 12 can be contradicted on spacing rack 11's spacing tooth, the middle part and the wedge slider 8 axle rotation of conflict pole 12 are connected, are provided with spring 13 between the wedge slider 8 of the one end downside that the spacing rack 11 was kept away from to conflict pole 12, the one end upside that keeps away from spacing rack 11 corresponding to conflict pole 12 on the wedge slider 8 is provided with pressure cylinder 14, and pressure cylinder 14's piston end can be contradicted in the upside of conflict pole 12, all upward be provided with the spacing rack 11 of matching on slide rail 5 and the lower slide rail 6 on 4 cross cut telescopic machanism 3, spacing tooth on the spacing rack 11 is right angle triangle shape setting, and the perpendicular plane of spacing tooth sets up towards one side of wedge slider 8.
The carrying platform 4 is lifted through the rigid chain, the pressure cylinder 14 does not cause downward pressure to the contact rod 12 during normal lifting, and the spring 13 applies upward thrust to the contact rod 12, so that the other end of the contact rod 12 is abutted against the limiting rack 11 to limit the sliding block, after the lifting device is lifted at a certain position and stopped, the carrying platform 4 can be supported through the 4 cross-cut telescopic mechanisms 3, the supporting effect of the rigid chain on the carrying platform 4 is reduced, and the using effect and the structural stability of the carrying platform 4 are improved; when the height needs to be reduced, the cylinder is started to enable the cylinder to press the contact rod 12 downwards, one end of the contact rod 12 is separated from the limiting rack 11 through the lever principle, then the rigid chain moves downwards under the action of the driving motor, and when the operation is stopped, the cylinder is retracted, and the contact rod 12 is restored to a limiting state through the acting force of the spring 13.
The pivot tie point of conflict pole 12 and wedge slider 8 is located one side that is close to spacing rack 11, and the length setting of conflict pole 12 can reduce when supporting the spacing state of touching pole 12, thrust that the cylinder pushed down.
The interference rod 12 is arranged with the arc-shaped end face at one end matched with the limiting rack 11, and the arc-shaped end face can avoid the condition that the structure is blocked between the limiting rack 11 and the interference rod 12.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a elevating gear based on rigid chain, includes rigid chain device and with rigid chain device complex lift platform, its characterized in that: the lifting platform comprises a base, a cross-shearing type telescopic mechanism and a carrying platform, wherein the cross-shearing type telescopic mechanism is provided with 4, the 4 cross-shearing type telescopic mechanisms are respectively arranged at the 4 sides of the base, the carrying platform is arranged right above the base, the upper parts of the 4 cross-shearing type telescopic mechanisms are matched with the 4 sides of the lower end face of the carrying platform, the rigid chain device is arranged on the base, and the lifting end of the rigid chain is fixedly connected with the bottom face of the carrying platform;
the cross-cut type telescopic mechanism comprises an upper sliding rail, a lower sliding rail and a cross-cut type telescopic frame, wherein the upper sliding rail is arranged on the carrying platform, the lower sliding rail is arranged on the base, the upper sliding rail and the lower sliding rail are arranged on the same side in a right opposite mode, one connecting end of the upper end of the cross-cut type telescopic frame is hinged with the carrying platform, the other end of the upper end of the cross-cut type telescopic frame is hinged with the upper sliding rail, one connecting end of the lower end of the cross-cut type telescopic frame is hinged with the base, and the other end of the lower end of the cross-cut type telescopic frame is hinged with the lower sliding rail;
the upper sliding rail and the lower sliding rail are wedge-shaped limiting horizontal sliding rails, each horizontal sliding rail comprises a wedge-shaped sliding block and a horizontal rail, and limiting blocks are respectively arranged at two ends of each horizontal rail.
2. A rigid chain based lifting device as claimed in claim 1, wherein: the utility model discloses a horizontal track's top surface length direction is provided with spacing rack, be provided with on the wedge slider with spacing rack complex support the feeler lever, the one end of supporting the feeler lever can be contradicted on spacing rack's spacing tooth, and the middle part of supporting the feeler lever is connected with wedge slider axle rotation, is provided with the spring between the one end downside wedge slider that the feeler lever kept away from spacing rack, be provided with pressure cylinder corresponding to the one end upside that the feeler lever kept away from spacing rack on the wedge slider, pressure cylinder's piston end can be contradicted in the upside of feeler lever.
3. A rigid chain based lifting device as claimed in claim 2, wherein: the pivot tie point of conflict pole and wedge slider is located one side near spacing rack.
4. A rigid chain based lifting device as claimed in claim 3, wherein: all upper slide rails and lower slide rails of the 4 cross-cut telescopic mechanisms are provided with matched limiting racks.
5. A rigid chain based lifting device as claimed in claim 2, wherein: spacing tooth on the spacing rack is right angle triangle shape setting, and the perpendicular plane of spacing tooth sets up towards one side of wedge slider.
6. The rigid chain based lifting device of claim 5, wherein: the end of the abutting rod matched with the limiting rack is an arc end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174395.4U CN220467448U (en) | 2023-08-14 | 2023-08-14 | Lifting device based on rigid chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174395.4U CN220467448U (en) | 2023-08-14 | 2023-08-14 | Lifting device based on rigid chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220467448U true CN220467448U (en) | 2024-02-09 |
Family
ID=89776953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322174395.4U Active CN220467448U (en) | 2023-08-14 | 2023-08-14 | Lifting device based on rigid chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220467448U (en) |
-
2023
- 2023-08-14 CN CN202322174395.4U patent/CN220467448U/en active Active
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