CN210366842U - Four-upright-column synchronous lifting mechanism for jacking - Google Patents
Four-upright-column synchronous lifting mechanism for jacking Download PDFInfo
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- CN210366842U CN210366842U CN201921106033.9U CN201921106033U CN210366842U CN 210366842 U CN210366842 U CN 210366842U CN 201921106033 U CN201921106033 U CN 201921106033U CN 210366842 U CN210366842 U CN 210366842U
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- platform
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- jacking
- synchronizing shaft
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Abstract
The utility model discloses a synchronous elevating system of four stands for jacking belongs to elevating system technical field. The lifting device comprises a lifting bottom plate and two cylinders, wherein two mounting plates are fixedly connected to the lifting bottom plate, guide rods are arranged at two ends of each mounting plate through linear bearings, one side of each mounting plate is fixedly connected with a bearing seat, each bearing seat is close to one side of one of the guide rods on the mounting plate, and the two bearing seats are connected with a first synchronizing shaft through a bearing in a rotating mode. The utility model discloses a fixed rising of lift platform is realized to the cylinder, simple structure, and the low price, synchronous gear and rack cooperate, have guaranteed that the purpose that the level risees is realized to the large-span platform in same time to through synchronous gear and rack structure, solved the problem of two cylinders lift non-uniform speeds, guaranteed the horizontality of lift in-process platform.
Description
Technical Field
The utility model relates to a synchronous elevating system of four stands for jacking belongs to elevating system technical field.
Background
A lifting platform is a device that lifts people or goods to a certain height. The range of application is wide, market prospect is good, through various control mode, can realize the steady accuracy of lift, frequently start and stop, characteristics such as the loading capacity is big, effectively solve all kinds of lifting operation difficult points in the industrial enterprise, make the production operation light freely, but to the object that the loading capacity is big, generally adopt the lift that a plurality of cylinders realized the elevating platform, but when adopting a plurality of cylinders, because the self characteristic of a plurality of cylinders, make the condition of the not constant speed of lift can appear when going up and down in a plurality of cylinders, thereby can make the elevating platform can appear the unbalanced condition at the lift in-process.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides a four synchronous elevating system of stand for jacking, it has been solved because the self characteristic of a plurality of cylinders for a plurality of cylinders can appear going up and down the problem of not constant speed when going up and down.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a four-upright-column synchronous lifting mechanism for jacking comprises a lifting bottom plate and two cylinders, wherein two mounting plates are fixedly connected to the lifting bottom plate, two ends of each mounting plate are respectively provided with a guide rod through a linear bearing, one side of each mounting plate is respectively and fixedly connected with a bearing seat, and each bearing seat is close to one side of one guide rod on the mounting plate, the two bearing seats are jointly and rotatably connected with a first synchronizing shaft through a bearing, and both ends of the first synchronizing shaft are respectively and fixedly connected with a synchronizing gear, the first synchronizing shaft is also sleeved with a second synchronizing shaft, and each guide rod adjacent to the synchronizing gear is also fixedly connected with a rack respectively, each synchronizing gear is meshed with the rack, each guide rod is fixedly connected with a flange respectively, and each cylinder telescopic end penetrates through the middle position of the mounting plate respectively and is fixedly connected with a floating joint.
As a preferable example, the tops of the guide rods on the two mounting plates are fixedly connected with a platform through flanges respectively, and the tops of the two floating joints are fixed with the bottom of the platform.
As a preferred example, the second synchronizing shaft is connected to the output shaft of the external electric motor via a transmission.
The utility model has the advantages that: the utility model discloses a fixed rising of lift platform is realized to the cylinder, simple structure, and the low price, synchronous gear and rack cooperate, have guaranteed that the purpose that the level risees is realized to the large-span platform in same time to through synchronous gear and rack structure, solved the problem of two cylinders lift non-uniform speeds, guaranteed the horizontality of lift in-process platform.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a portion a in fig. 1.
In the figure: lifting bottom plate 1, cylinder 2, mounting panel 3, guide bar 4, bearing frame 5, first synchronizing shaft 6, synchronizing gear 7, flange 8, floating joint 9, linear bearing 10, second synchronizing shaft 11.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in figures 1-2, a four-column synchronous lifting mechanism for jacking comprises a lifting bottom plate 1 and two cylinders 2, wherein two mounting plates 3 are fixedly connected to the lifting bottom plate 1, two ends of each mounting plate 3 are respectively provided with a guide rod 4 through a linear bearing 10, one side of each mounting plate 3 is respectively fixedly connected with a bearing seat 5, and each bearing seat 5 is close to one side of one guide rod 4 on the mounting plate 3, the two bearing seats 5 are jointly and rotatably connected with a first synchronous shaft 6 through a bearing, and both ends of the first synchronous shaft 6 are respectively and fixedly connected with a synchronous gear 7, the first synchronous shaft 6 is also sleeved with a second synchronous shaft 11, still fixedly connected with rack respectively on the guide bar 4 adjacent with every synchronizing gear 7, every synchronizing gear 7 all meshes with the rack mutually, fixedly connected with flange 8 respectively on every guide bar 4, and the flexible end of every cylinder 2 runs through the intermediate position and the fixedly connected with floating joint 9 of mounting panel 3 respectively.
The tops of the guide rods 4 on the two mounting plates 3 are fixedly connected with a platform through flanges 8 respectively, and the tops of the two floating joints 9 are fixed with the bottom of the platform.
The second synchronizing shaft 11 is connected with an external motor output shaft through a transmission member.
The fixed end of the cylinder 2 is fixed on the external fixed support, and the lifting bottom plate 1 is positioned on the inner side of the external fixed support.
The working principle is as follows:
at first start external motor, under the connection of driving medium, the driving medium can be the belt, rotating parts such as chain, second synchronizing shaft 11 begins to rotate, thereby it rotates to drive first synchronizing shaft 6, then it rotates to drive synchronizing gear 7 on first synchronizing shaft 6 both ends, then make synchronizing gear 7 in the pivoted while, make synchronizing gear 7 move about on the rack on guide bar 4, then under linear bearing 10's effect, make relative motion take place between guide bar 4 and lifting bottom plate 1, then make the platform that 8 common connections of a plurality of guide bar 4 upper flanges take place relative motion under guide bar 4 and lifting bottom plate 1, and along with the flexible of cylinder 2, the purpose that the platform realized the level in the same time and rised.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a four-column synchronous lifting mechanism for jacking, includes lifting bottom plate and two cylinders, its characterized in that: two mounting panels of fixedly connected with on the lifting floor, every the both ends of mounting panel are equipped with the guide bar, two through linear bearing respectively one side difference fixedly connected with bearing frame of mounting panel, and every the bearing frame is close to one of them guide bar one side on the mounting panel, two the bearing frame rotates jointly through the bearing and is connected with first synchronizing shaft, just the both ends difference fixedly connected with synchronizing gear of first synchronizing shaft, the second synchronizing shaft has still been cup jointed on the first synchronizing shaft, with every still respectively fixedly connected with rack, every on the adjacent guide bar of synchronizing gear all meshes mutually with the rack, every respectively fixedly connected with flange on the guide bar, intermediate position and the fixedly connected with floating joint of mounting panel are run through respectively to every cylinder expansion end.
2. The four-column synchronous lifting mechanism for jacking according to claim 1, wherein: the tops of the guide rods on the two mounting plates are respectively fixedly connected with a platform through flanges, and the tops of the two floating joints are fixed with the bottom of the platform.
3. The four-column synchronous lifting mechanism for jacking according to claim 1, wherein: the second synchronizing shaft is connected with an output shaft of an external motor through a transmission piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921106033.9U CN210366842U (en) | 2019-07-15 | 2019-07-15 | Four-upright-column synchronous lifting mechanism for jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921106033.9U CN210366842U (en) | 2019-07-15 | 2019-07-15 | Four-upright-column synchronous lifting mechanism for jacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366842U true CN210366842U (en) | 2020-04-21 |
Family
ID=70271690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921106033.9U Active CN210366842U (en) | 2019-07-15 | 2019-07-15 | Four-upright-column synchronous lifting mechanism for jacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366842U (en) |
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2019
- 2019-07-15 CN CN201921106033.9U patent/CN210366842U/en active Active
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