CN212269357U - Guide rail device for lifting platform - Google Patents
Guide rail device for lifting platform Download PDFInfo
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- CN212269357U CN212269357U CN202021949582.5U CN202021949582U CN212269357U CN 212269357 U CN212269357 U CN 212269357U CN 202021949582 U CN202021949582 U CN 202021949582U CN 212269357 U CN212269357 U CN 212269357U
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- platform
- guide
- guide wheel
- guide rail
- bearing
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Abstract
The utility model belongs to the technical field of jack-up jacking equipment, especially, relate to a guide rail device for platform goes up and down, its characterized in that includes two guide rails, set up the deflector shoe in every guide rail respectively, set up two guide pulley mechanisms on every deflector shoe, two vertical connecting pieces, guide pulley mechanism includes the bearing housing, through the adjustment axle sleeve of locating pin setting in this bearing housing, inner circle and bearing housing interference fit's antifriction bearing, through the guide pulley of guide pulley shaft setting in the adjustment axle sleeve, connect the adjusting bolt of adjustment axle sleeve and bearing housing, lock nut. The utility model discloses a guide pulley and antifriction bearing's structure uses in pairs in the platform both sides, all is in the rolling friction state on the guide rail surface, restricts five ascending degrees of freedom in side of platform simultaneously, has both guaranteed the synchronous rising or the synchronous decline of jumbo size platform, has reduced the guide rail friction loss of platform when the motion again, has prevented the platform because the inclined phenomenon that the unbalance loading produced.
Description
Technical Field
The utility model belongs to the technical field of jack-up jacking equipment, especially, relate to a guide rail device for platform goes up and down.
Background
The lifting of the platform, especially a large-size platform (6 m in length and 3m in width) is required to keep the platform synchronously lifted or synchronously lowered at any time when the platform is vertically lifted to carry cargos. In the carrying process, when the gravity center position of the goods and the gravity center position of the platform are not coincident, the platform is deviated and inclined, and further safety accidents can occur. In the process of loading and unloading goods, the goods loaded each time are different in quantity, size and shape, so that the accuracy of coincidence of the gravity center position of the goods and the gravity center position of the platform is difficult to ensure.
Disclosure of Invention
The utility model aims at providing a can guarantee the synchronous rising or the synchronous decline of jumbo size platform, can reduce the guide rail friction loss of platform when the motion again, prevent that the platform from producing the guide rail device that is used for the platform lift of slope because of the unbalance loading.
The purpose of the utility model is realized by the following technical scheme:
the utility model discloses a guide rail device for lifting a platform, which is characterized by comprising two guide rails fixed on building base bodies at two sides of the platform through flange plates, a guide wheel plate arranged in each guide rail, two guide wheel mechanisms arranged on each guide wheel plate, two vertical connecting pieces welded at two ends of the platform, wherein each vertical connecting piece is fixed on the guide wheel plate through two bolts which are respectively positioned at the upper and lower sides of the platform,
the guide wheel mechanism comprises a bearing sleeve, an adjusting shaft sleeve arranged in the bearing sleeve through a positioning pin, a rolling bearing with an inner ring in interference fit with the bearing sleeve, a guide wheel arranged in the adjusting shaft sleeve through a guide wheel shaft, an adjusting bolt connected with the adjusting shaft sleeve and the bearing sleeve, and a locking nut arranged on the adjusting bolt.
And each guide wheel plate is provided with two through holes I, and the bearing sleeve is in interference fit with the through holes I.
And each guide wheel plate is provided with two through holes II, and the two bolts penetrate through the two through holes II to be fixedly connected with the guide wheel plate.
One end of the positioning pin is in interference fit with the positioning pin hole in the adjusting shaft sleeve and assembled together, the other end of the positioning pin penetrates through the positioning hole of the bearing sleeve, and the positioning pin is in clearance fit with the positioning hole of the bearing sleeve.
The utility model has the advantages that:
the utility model discloses a guide rail device for platform goes up and down adopts guide pulley and antifriction bearing's structure, uses in pairs in the platform both sides, all is in the rolling friction state on the guide rail surface, restricts five ascending degrees of freedom in side of platform simultaneously, has both guaranteed the synchronous rising or the synchronous decline of jumbo size platform, has reduced the guide rail friction loss of platform when the motion again, has prevented the platform because the inclined phenomenon that produces of unbalance loading.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the guide rail and guide wheel mechanism of the present invention.
Fig. 3 is an exploded view of the guide wheel mechanism and the guide wheel plate of the present invention.
Fig. 4 is an exploded view of the guide wheel mechanism of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the guide rail device for platform lifting of the present invention comprises two guide rails 1 fixed on the building base body at both sides of the platform 5 through flanges, guide roller plates 3 respectively arranged in each guide rail 1, two guide roller mechanisms 2 arranged on each guide roller plate 3, two vertical connecting members welded at both ends of the platform 5, each vertical connecting member is fixed on the guide roller plate 3 through two bolts 4, the two bolts 4 are respectively located at the upper and lower sides of the platform 5,
the guide wheel mechanism 2 comprises a bearing sleeve 9, an adjusting shaft sleeve 11 arranged in the bearing sleeve 9 through a positioning pin 8, a rolling bearing 10 with an inner ring in interference fit with the bearing sleeve 9, a guide wheel 13 arranged in the adjusting shaft sleeve 11 through a guide wheel shaft 12, an adjusting bolt 7 connecting the adjusting shaft sleeve 11 and the bearing sleeve 9, and a locking nut 6 arranged on the adjusting bolt 7.
Every leading wheel plate 3 on be equipped with two through-holes I, bearing housing 9 with this I interference fit of through-hole.
Each guide wheel plate 3 is provided with two through holes II, and the two bolts 4 penetrate through the two through holes II to be fixedly connected with the guide wheel plate 3.
One end of the positioning pin 8 is in interference fit with the positioning pin hole in the adjusting shaft sleeve 11 and is assembled together, the other end of the positioning pin passes through the positioning hole of the bearing sleeve 9, and the positioning pin 8 is in clearance fit with the positioning hole of the bearing sleeve 9.
The utility model discloses a rail set for platform goes up and down mainly including setting up guide rail 1, guide pulley mechanism 2 and the guide pulley board 3 at 5 sides of platform. The guide rail 1 is arranged on the building base body on two sides of the platform 5 through flange plates, and the guide wheel mechanism 2 can roll up and down in the guide rail 1 in a reciprocating manner. The guide wheel mechanism 2 is assembled on the guide wheel plate 3 in an interference fit mode, and the guide wheel mechanism 2 mainly comprises a guide wheel 13, a guide wheel shaft 12, an adjusting shaft sleeve 11, a rolling bearing 10, a bearing sleeve 9, a positioning pin 8, a locking nut 6 and an adjusting bolt 7. The guide wheel plate 3 is a forged steel plate, and is provided with two through holes I for fixedly mounting the guide wheel mechanism 2 and two through holes II for fixedly mounting the guide wheel mechanism on the platform 5. The platform 5 is a welding part formed by welding a pattern steel plate and square steel, a vertical connecting piece which is vertically placed is welded at the installation position of the platform 5 and the guide rail, and two through holes II are formed in the vertical connecting piece and used for fixing the guide wheel plate 3.
In fig. 1, a platform 5 and a guide wheel plate 3 are fixed through bolts 4, two guide wheel mechanisms 2 are assembled on the guide wheel plate 3 in an interference manner, and the guide wheel mechanisms 2 move up and down in a guide rail 1. The rotation of the platform 5 in the direction X, Y, Z and the movement in the direction X, Y are restricted.
In fig. 2, the guide wheel mechanism 2 is embedded in the guide rail 1, and a certain gap is left between three inner surfaces in contact with the guide rail 1, so that the guide rail 1 can be conveniently installed and debugged.
In fig. 3, two through holes i on the guide wheel plate 3 are used for installing the guide wheel mechanism 2 through interference fit, and two through holes ii in the middle are used for fixing the platform 5 through bolts 4.
In fig. 4, the stator 13 is assembled with the adjustment sleeve 11 via the stator shaft 12, and the adjustment sleeve 11 is fitted in the bearing sleeve 9 so as to be movable but not rotatable within the bearing sleeve 9. The rolling bearing 10 is fitted to one end of the bearing housing 9 with an interference fit. One end of the positioning pin 8 is assembled with the positioning pin hole in the adjusting shaft sleeve 11 in an interference fit mode, the other end of the positioning pin penetrates through the positioning hole of the bearing sleeve 9, a certain gap is reserved between the positioning pin 8 and the positioning hole of the bearing sleeve 9, the adjusting shaft sleeve 11 can be guaranteed to move freely in the bearing sleeve 9, and meanwhile the rotation of the adjusting shaft sleeve 11 in the bearing sleeve 9 is limited. The adjusting bolt 7 adjusts the moving distance of the adjusting shaft sleeve 11 in the bearing sleeve 9 through adjusting a threaded hole in the middle of the shaft sleeve 11, so that the gap between the guide wheel 13 and the inner surface of the guide rail 1 is adjusted, and the adjusted gap cannot be larger than the extending length of the positioning pin 8 exposed out of the bearing sleeve 9. The lock nut 6 plays a role of locking, and when the gap between the guide wheel 13 and the guide rail 1 is adjusted, the lock nut 6 is locked.
When the platform 5 is in unbalance loading, the guide wheel 13 embedded in the guide rail 1 limits the Y-direction deflection of the platform 5, and the rolling bearing 10 limits the X, Z-direction deflection of the platform 5, so that the horizontal synchronous action of the platform 5 can be ensured, and the lifting is more stable and reliable.
The utility model discloses a rail set for platform goes up and down adopts guide pulley 13 and antifriction bearing 10's structure, uses in pairs in 5 both sides of platform, all is in the rolling friction state on 1 surface of guide rail, restricts five ascending degrees of freedom in side of platform 5 simultaneously, has both guaranteed that jumbo size platform 5's is synchronous to rise or descend in step, has reduced the guide rail friction loss of platform 5 when the motion again, has prevented the slope phenomenon that platform 5 produced because the unbalance loading.
Claims (4)
1. A guide rail device for lifting a platform is characterized by comprising two guide rails fixed on building base bodies on two sides of the platform through flange plates, guide wheel plates arranged in each guide rail respectively, two guide wheel mechanisms arranged on each guide wheel plate, and two vertical connecting pieces welded on two ends of the platform, wherein each vertical connecting piece is fixed on the guide wheel plate through two bolts which are respectively positioned on the upper surface and the lower surface of the platform,
the guide wheel mechanism comprises a bearing sleeve, an adjusting shaft sleeve arranged in the bearing sleeve through a positioning pin, a rolling bearing with an inner ring in interference fit with the bearing sleeve, a guide wheel arranged in the adjusting shaft sleeve through a guide wheel shaft, an adjusting bolt connected with the adjusting shaft sleeve and the bearing sleeve, and a locking nut arranged on the adjusting bolt.
2. The guide rail device for lifting platforms as claimed in claim 1, wherein each guide wheel plate is provided with two through holes i, and the bearing housing is in interference fit with the through holes i.
3. The track device for lifting platforms as claimed in claim 1, wherein each of the guide roller plates is provided with two through holes ii, and the two bolts are fixedly connected to the guide roller plates through the two through holes ii.
4. The track assembly of claim 1 wherein the locating pin is in interference fit with the locating pin hole of the adjustment sleeve at one end and fits together at the other end through the locating hole of the bearing sleeve, and the locating pin is in clearance fit with the locating hole of the bearing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949582.5U CN212269357U (en) | 2020-09-09 | 2020-09-09 | Guide rail device for lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949582.5U CN212269357U (en) | 2020-09-09 | 2020-09-09 | Guide rail device for lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212269357U true CN212269357U (en) | 2021-01-01 |
Family
ID=73870907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021949582.5U Active CN212269357U (en) | 2020-09-09 | 2020-09-09 | Guide rail device for lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212269357U (en) |
-
2020
- 2020-09-09 CN CN202021949582.5U patent/CN212269357U/en active Active
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| GR01 | Patent grant | ||
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