CN217175995U - Large-span vertical lifting stereo garage flat bed positioning mechanism - Google Patents
Large-span vertical lifting stereo garage flat bed positioning mechanism Download PDFInfo
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- CN217175995U CN217175995U CN202220110440.2U CN202220110440U CN217175995U CN 217175995 U CN217175995 U CN 217175995U CN 202220110440 U CN202220110440 U CN 202220110440U CN 217175995 U CN217175995 U CN 217175995U
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- rack pin
- pin shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model belongs to the technical field of vertical lift stereo garage flat bed location, solved current flat bed positioning mechanism occupation space big, lead to increasing the problem of extra customization and debugging cost. The utility model provides a big span vertical lift stereo garage flat bed positioning mechanism, including fixing the locating piece on the lift stand and installing four sets of flat bed positioner in car four corners department, every set of flat bed positioner all includes fixes the frame in the car outside and installs driving motor and rack pin axle in the frame, rack and pinion cooperation transmission between driving motor and the rack pin axle, driving motor passes through PLC controller control, rack pin axle can stretch into under driving motor's the drive and realize the flat bed location in the locating piece that corresponds. The mechanism has compact structure and does not occupy more space additionally; the debugging is simple, and the labor cost and the structural cost are not increased.
Description
Technical Field
The utility model belongs to the technical field of the vertical lift stereo garage flat bed location, concretely relates to big span vertical lift stereo garage flat bed positioning mechanism.
Background
At the present stage, the big car stereo garage of vertical lift is more and more accepted by market because of its higher adaptability and the efficiency of accessing cars to the landmass, but the big car garage of current vertical lift has following shortcoming:
1. when the carrying trolley is positioned at different positions of the lift car, the length of a lift chain (other mechanical transmission clearances) of the lift car is changed due to the change of the load moment of the carrying trolley, the originally leveled lift car is inclined, the rail fall of the carrying trolley can reach 25mm (6 rows of large lift cars) to the maximum extent, the noise is too high in the car storing and taking process of the carrying trolley, the vibration is too large, and the service life of the carrying trolley is influenced.
2. When the load of the lift car changes, the load of the lift car changes by about 3T in the process of storing and taking the lift car by the carrying trolley, so that the maximum fall of the position change of the lift car can reach 20mm, the noise is too high in the process of storing and taking the lift car by the carrying trolley, the vibration is too large, and the service life of the carrying trolley is influenced.
The existing leveling positioning device is only designed to prevent falling and can not avoid the two conditions.
The existing solutions are as follows, but all have certain limitations:
for the lift car with more than three rows, the speed reducing motor increases the brake torque due to the weight of the lift car, so that the brake can bear the counterweight load independently, but the required torque exceeds the maximum brake torque of a speed reducing motor manufacturer, a non-standard system is needed, and the cost is increased.
The hooking type flat bed positioning device is added on the carrying trolley, the space cost in the width direction of the hoistway car is increased, and the cost of hooking type equipment and the labor cost for debugging are increased.
Through retrieval, the chinese patent CN107060431A discloses a flat-layer positioning device for a stereo garage, wherein two symmetrical sides of the lower bottom surface of a lifter tray are respectively provided with a first positioning pin and a second positioning pin which can be matched with a first positioning seat and a second positioning seat at the edge of a fixed outer frame, and a driving mechanism which can make the first positioning pin and the second positioning pin perform reverse translation is arranged between the first positioning pin and the second positioning pin; the above forms a set of flat bed positioning mechanism.
Although this patent effectively eliminates the problem of car displacement due to chain and other mechanical structure clearances caused by load changes, the structure takes up a large amount of space and adds additional customization and commissioning costs.
SUMMERY OF THE UTILITY MODEL
To current flat bed positioning mechanism occupation space big, lead to increasing the not enough of extra customization and debugging cost, the utility model aims to provide a big span vertical lift stereo garage flat bed positioning mechanism corresponds the position fixing locating piece on each parking layer on the lift stand, at car outside fixed frame, installs driving motor and rack pin axle on the frame, rack and pinion cooperation transmission between driving motor and the rack pin axle, and driving motor drives rack pin axle and stretches into the locating piece that corresponds in realizing the flat bed location.
For realizing above-mentioned purpose, the utility model discloses a following technical scheme, a big span vertical lift stereo garage flat bed positioning mechanism, fix the locating piece on the lift stand and install four sets of flat bed positioner in car four corners department including every layer, every set of flat bed positioner is all including fixing the frame in the car outside and installing driving motor and the rack pin axle in the frame, rack and pinion cooperation transmission between driving motor and the rack pin axle, driving motor passes through PLC controller control, the rack pin axle can stretch into under driving motor's drive and realize the flat bed location in the locating piece that corresponds.
Preferably, the one end that the locating piece was kept away from to the rack pin axle is connected with the location and responds to the piece, and the position interval that corresponds a location and responds to the piece on the car is provided with two proximity switches, and one of them proximity switch corresponds the position of stretching out of rack pin axle, and another proximity switch corresponds the position of withdrawing of rack pin axle, proximity switch and PLC controller electric connection.
Preferably, the axis of the output shaft of the driving motor is perpendicular to the axis of the rack pin shaft, the output shaft of the driving motor is connected with a gear, and the periphery of the rack pin shaft is provided with a rack matched with the gear along the axis of the rack pin shaft.
Preferably, the positioning block is arranged on the position, corresponding to each parking layer, of the elevator stand column, and a pin hole for positioning the rack pin shaft is formed in the positioning block.
Preferably, a spiral oil groove used for reducing friction between the rack pin shaft and the positioning block is arranged in the pin hole of the positioning block.
Preferably, the front end of the rack pin shaft is provided with a guide head part with a smooth excessive chamfer, and the central axis of the rack pin shaft is parallel to the central axis of the spiral oil groove.
Preferably, the positioning induction sheet is connected to the tail end of the rack pin shaft through a bolt.
Compared with the prior art, the method has the following beneficial effects:
1. the mechanism fixes positioning blocks on the vertical columns of the elevator corresponding to the positions of the parking layers, a frame is fixed on the outer side of the car, a driving motor and a rack pin shaft are installed on the frame, gear and rack matching transmission is performed between the driving motor and the rack pin shaft, and the driving motor drives the rack pin shaft to extend into the corresponding positioning blocks to realize flat bed positioning.
2. The mechanism has compact structure and does not occupy more space additionally; the debugging is simple, and the labor cost and the structure cost are not increased; the mechanical structure fault rate is low.
3. The mechanism effectively eliminates the displacement of the car caused by the clearance between the chain and other mechanical structures due to the change of the load, and realizes the constraint of the degree of freedom in the vertical surface of the car.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view of the installation position of the present embodiment;
FIG. 3 is a top view of the present embodiment;
FIG. 4 is a schematic view of the rack pin shaft in place in the present embodiment;
fig. 5 is a schematic view illustrating the rack pin shaft being retracted to the proper position in the present embodiment.
In the figure: 1-positioning a block; 1.1-helical oil groove; 2-a frame; 3-driving a motor; 4-a rack pin shaft; 4.1-rack; 4.2-guiding the head; 5-positioning the induction sheet; 6-proximity switch; 7-a gear; 8-mounting a sheet; 8.1-elongated holes; 9-elevator column; 10-car.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides an embodiment:
as shown in fig. 1 to 3, a large-span vertical lifting stereo garage leveling positioning mechanism comprises a positioning block 1 fixed on a lifting machine upright post 9 and four sets of leveling positioning devices installed at four corners of a car 10, wherein each set of leveling positioning device comprises a frame 2 fixed on the outer side of the car 10, a driving motor 3 and a rack pin shaft 4 installed on the frame 2, the driving motor 3 and the rack pin shaft 4 are in gear and rack matching transmission, the driving motor 3 is controlled by a PLC (programmable logic controller), and the rack pin shaft 4 can extend into the corresponding positioning block 1 under the driving of the driving motor 3 to realize leveling positioning.
In this embodiment, the positioning block 1 is disposed at a position corresponding to each parking layer on the elevator column 9 (welded to the elevator column 9 according to an actual measurement size), and corresponds to the rack pin 4, so as to limit displacement of the car 10 caused by load change, a pin hole for positioning the rack pin 4 is provided in the positioning block 1, a spiral oil groove 1.1 for reducing friction between the rack pin 4 and the positioning block 1 is provided in the pin hole of the positioning block 1, and the purpose of reducing unnecessary jitter and noise is achieved.
The frame 2 is fastened below the car 10 through bolts, the driving motor 3 is fixed on the frame 2, the rack pin shaft 4 is movably arranged on the frame 2 in a penetrating mode, the axis of the output shaft of the driving motor 3 is perpendicular to the axis of the rack pin shaft 4, the output shaft of the driving motor 3 is connected with the gear 7, the periphery of the rack pin shaft 4 is provided with a rack 4.1 matched with the gear 7 along the axis of the rack pin shaft, in the embodiment, the gear 7 is fixedly connected with the output shaft in a key mode, the rack 4.1 is formed by cutting the outer wall of the rack pin shaft 4, the gear 7 is driven to rotate through rotation of the output shaft of the driving motor 3, the gear 7 drives the rack pin shaft 4 to be close to or far away from the positioning block 1, and therefore flat-layer positioning or unlocking is achieved.
Further, one end, far away from the locating piece 1, of the rack pin shaft 4 is connected with a positioning induction piece 5, two proximity switches 6 are arranged on the car 10 at intervals corresponding to the position of one positioning induction piece 5, one of the proximity switches 6 corresponds to the extending position of the rack pin shaft 4, the other proximity switch 6 corresponds to the withdrawing position of the rack pin shaft 4, and the proximity switches 6 are electrically connected with the PLC.
By additionally arranging the proximity switch 6 and the induction positioning sheet 5, when the elevator executes a command of accessing the car to a specified parking floor, the car 10 utilizes laser ranging and elevator encoder double-closed-loop control, so that the positioning deviation of the car 10 is not more than 3mm, the worst deviation of four-point inclination in flat-floor positioning is not more than 35mm, the displacement of the car 10 caused by the clearance between a chain and other mechanical structures due to load change is effectively eliminated, and the constraint of the degree of freedom in the vertical surface of the car 10 is realized.
In this embodiment, the front end of the rack pin shaft 4 is provided with a guide head 4.2 with a smooth excessive chamfer, the fault tolerance is 50mm, the rack pin shaft can be inserted into the positioning block 1 under the worst condition, and the central axis of the rack pin shaft 4 is parallel to that of the spiral oil groove.
The working principle is as follows:
and (3) stretching out to the right position:
the initial state is shown in figure 4, after the drive motor 3 receives the command of reaching the target position sent by the PLC controller, the drive motor 3 drives the rack pin shaft 4 to execute the stretching action until the positioning induction sheet 5 triggers the corresponding proximity switch 6, the PLC receives the feedback signal and issues a power-off signal and a motor brake signal of the drive motor 3, the whole stretching action is completed, the leveling positioning is completed, and the stretching action is completed as shown in figure 5.
And (4) retraction in-place action:
the initial state is shown in fig. 5, when the driving motor 3 receives a retraction in-place command sent by the PLC, the driving motor 3 drives the rack pin shaft 4 to execute a retraction action until the positioning induction sheet 1 triggers the corresponding proximity switch 6, the PLC receives a feedback signal and sends a power-off signal of the driving motor 3 and a motor brake signal, the whole retraction action is completed, the leveling positioning unlocking is carried out, and the retraction action is completed as shown in fig. 4.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a big span vertical lift stereo garage flat bed positioning mechanism which characterized in that: including every layer fix locating piece (1) on the lift stand and install four sets of flat bed positioner in car four corners department, every set of flat bed positioner all is including fixing frame (2) in the car outside and installing driving motor (3) and rack pin axle (4) in frame (2), rack and pinion cooperation transmission between driving motor (3) and rack pin axle (4), driving motor (3) are controlled through the PLC controller, rack pin axle (4) can stretch into under the drive of driving motor (3) and realize the flat bed location in corresponding locating piece (1).
2. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 1, wherein: one end of the rack pin shaft (4) far away from the positioning block (1) is connected with a positioning induction sheet (5), two proximity switches (6) are arranged at the position interval corresponding to one positioning induction sheet (5) on the lift car, one proximity switch (6) corresponds to the extending position of the rack pin shaft (4), the other proximity switch (6) corresponds to the retracting position of the rack pin shaft (4), and the proximity switches (6) are electrically connected with the PLC.
3. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 2, wherein: the driving motor (3) is fixed on the rack (2), the rack pin shaft (4) is movably arranged on the rack (2) in a penetrating mode, the axis of the output shaft of the driving motor (3) is perpendicular to the axis of the rack pin shaft (4), the output shaft of the driving motor (3) is connected with a gear (7), and a rack (4.1) matched with the gear (7) is arranged on the periphery of the rack pin shaft (4) along the axis direction of the rack pin shaft.
4. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 3, wherein: the positioning block (1) is arranged on the position, corresponding to each parking layer, of the elevator stand column and corresponds to the rack pin shaft (4), and a pin hole for positioning the rack pin shaft (4) is formed in the positioning block (1).
5. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 4, wherein: and a spiral oil groove (1.1) used for reducing friction between the rack pin shaft (4) and the positioning block (1) is arranged in the pin hole of the positioning block (1).
6. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 5, wherein: the front end of the rack pin shaft (4) is provided with a guide head part (4.2) with a smooth excessive chamfer, and the central axis of the rack pin shaft (4) is parallel to the central axis of the spiral oil groove.
7. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 6, wherein: the positioning induction sheet (5) is connected to the tail end of the rack pin shaft (4) through a bolt.
8. The large-span vertical lifting stereo garage flat bed positioning mechanism of claim 7, wherein: the fixed position that corresponds proximity switch (6) on the car has installation piece (8), and it has a rectangular shape hole (8.1) to open on installation piece (8), and two proximity switch (6) locks in rectangular shape hole (8.1) that correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220110440.2U CN217175995U (en) | 2022-01-17 | 2022-01-17 | Large-span vertical lifting stereo garage flat bed positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220110440.2U CN217175995U (en) | 2022-01-17 | 2022-01-17 | Large-span vertical lifting stereo garage flat bed positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217175995U true CN217175995U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220110440.2U Active CN217175995U (en) | 2022-01-17 | 2022-01-17 | Large-span vertical lifting stereo garage flat bed positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217175995U (en) |
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2022
- 2022-01-17 CN CN202220110440.2U patent/CN217175995U/en active Active
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