CN218434700U - Mechanical synchronous lifting mechanism - Google Patents
Mechanical synchronous lifting mechanism Download PDFInfo
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- CN218434700U CN218434700U CN202222709867.7U CN202222709867U CN218434700U CN 218434700 U CN218434700 U CN 218434700U CN 202222709867 U CN202222709867 U CN 202222709867U CN 218434700 U CN218434700 U CN 218434700U
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- bevel gear
- driving
- shaft
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Abstract
The utility model discloses a mechanical synchronization lifting mechanism, include: the lifting mechanism comprises a bottom plate, a driving assembly, a first synchronizing shaft and lifting bases, wherein the two lifting bases are fixedly connected to the bottom plate, the lifting bases are connected with the lifting assemblies, each lifting assembly comprises a lead screw, a supporting seat, a nut and a lifting block, the nut and the lifting block are connected with the supporting seat, the lead screws are in rotating fit with the lifting bases and in threaded fit with the nuts, the supporting seats are in vertical guide fit with the lifting bases, the driving assembly is in transmission connection with the first synchronizing shaft, and two ends of the first synchronizing shaft are in transmission connection with the two lead screws through first corner mechanisms respectively; by adopting the technical scheme, the first synchronizing shaft linkage screw rod can be driven to rotate through the driving assembly, the screw rod can drive the nut linkage supporting block to drive the two lifting blocks to move up and down, the two ends of the object are lifted synchronously, only one power source is provided, the consistency of synchronous lifting of the two ends of the object is good, the object can be guaranteed to be lifted stably and synchronously, and the object is prevented from inclining and falling in the lifting process.
Description
Technical Field
The utility model relates to a lifting mechanism technical field that is relevant, in particular to mechanical synchronization lifting mechanism.
Background
Lifting mechanism is generally used in the lifting of object, in the prior art, to the mechanism that needs drive object both ends and lift in step, adopt the cylinder or the pneumatic cylinder of two vertical settings in interval mostly, the piece of lifting is connected respectively to the drive end of cylinder or pneumatic cylinder, on two pieces of lifting are arranged in at the object both ends, it realizes lifting the object to reciprocate in step through two pieces of lifting of cylinder or pneumatic cylinder drive, but the uniformity that cylinder or pneumatic cylinder lifted in step is relatively poor, take place object slope and drop even easily at the lift in-process. Also like chinese patent CN104210985A, published as 2014.12.27, a double-column lifting machine is disclosed, which uses two motors, belts, screws and lifting nuts to drive two lifting arms to lift an object synchronously, although the lifting can be realized, if one of the motors fails and the other motor continues to work during the lifting process, the lifted object will be inclined or fall off, and there is a certain defect. How to ensure that two ends of an object can synchronously and stably lift in the lifting process becomes a technical problem to be solved.
Disclosure of Invention
In order to overcome the prior art defects, the utility model aims to provide a mechanical synchronous lifting mechanism is in order to solve above-mentioned technical problem.
The utility model provides a technical scheme that technical problem adopted as follows:
according to the utility model discloses an aspect designs a mechanical synchronization lifting mechanism, include: bottom plate, drive assembly, first synchronizing shaft, lift base, two relative rigid coupling is in about lifting the base on the bottom plate, each lift all to connect on the base and lift the subassembly, lift the subassembly and include lead screw, supporting seat, the nut of being connected with the supporting seat and lift the piece, the lead screw with lift base normal running fit and with nut screw-thread fit, the supporting seat with lift the vertical direction cooperation of base, drive assembly is connected with first synchronizing shaft transmission for drive first synchronizing shaft rotates, the both ends of first synchronizing shaft are respectively through first corner mechanism and two lead screw transmission connects for the drive lead screw rotates.
By adopting the technical scheme, when an object needs to be lifted, two ends of the object are correspondingly placed on the two lifting blocks of the lifting mechanism, the first synchronizing shaft can be driven to rotate through the driving component, the first synchronizing shaft can drive the lead screw to rotate, the lead screw can drive the nuts to move up and down through rotation, the two nuts move up and down to drive the supporting blocks to drive the two lifting blocks to move up and down, and further, the two ends of the object can be lifted synchronously, only one power source is provided, the synchronous lifting consistency of the two ends of the object is good, the object can be ensured to be lifted stably and synchronously, and the object is prevented from inclining and falling in the lifting process; in addition, the lifting mechanism has the advantages of simple structure, strong adaptability, high precision, low failure rate, low requirement of mechanical synchronization on electrical control and low error probability.
For better solving the technical defect, the utility model discloses still have better technical scheme:
in some embodiments, the output ends of the two first angle rotating mechanisms are respectively connected with a second synchronizing shaft, and the other ends of the two second synchronizing shafts are respectively in transmission connection with the two screw rods through second angle rotating mechanisms. From this for drive assembly and first synchronizing shaft are located lifting base one side, can realize lifting the piece below (the space of material below) and keep away the space completely, give the material and place the space, simultaneously, can increase material handling's stroke (or reduce the ascending mechanism height in the vertical side), make full use of space.
In some embodiments, the driving assembly comprises a motor and a speed reducer connected with the driving end of the motor, and the output end of the speed reducer is in transmission connection with the first synchronizing shaft through the transmission assembly.
In some embodiments, the first rotating angle mechanism is a helical bevel gear commutator, two ends of the first synchronizing shaft are respectively connected with input ends of two helical bevel gear commutators through couplers, and the input ends of the helical bevel gear commutators are connected with the second synchronizing shaft through couplers.
In some embodiments, the first angle-of-rotation mechanism includes a driving bevel gear and a driven bevel gear, the driving bevel gear is connected to both ends of the first synchronizing shaft, the driven bevel gear is connected to ends of the two second synchronizing shafts, and the driving bevel gear is engaged with the driven bevel gear.
In some embodiments, the second rotation angle mechanism comprises a driving bevel gear and a driven bevel gear, the end of the second synchronizing shaft is connected with the driving bevel gear, the lower end of the screw rod is connected with the driven bevel gear, and the driving bevel gear is meshed with the driven bevel gear.
In some embodiments, the second rotation angle mechanism is a helical bevel gear commutator, the second synchronizing shaft is connected to an input end of the helical bevel gear commutator through a coupler, and the input end of the helical bevel gear commutator is connected to a lower end of the screw rod through a coupler.
In some embodiments, the transmission assembly comprises a driving gear and a driven gear, the driving gear is connected with the output end of the speed reducer, and the driven gear is fixedly sleeved on the first synchronizing shaft and meshed with the driving gear;
or the transmission assembly comprises a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, the driving synchronous wheel is connected with the output end of the speed reducer, the driven synchronous wheel is fixedly sleeved on the first synchronous shaft, and the synchronous belt is sleeved on the driving synchronous wheel and the driven synchronous wheel;
or the transmission assembly is a gear box, the output end of the speed reducer is connected with the input end of the gear box, and the first synchronous shaft penetrates through the gear box and is connected with the output end of the gear box.
In some embodiments, a support block is affixed to the base plate, and the first synchronizing shaft is rotatably coupled to a bearing within the support block; and a lifting groove is formed in the top of the lifting block.
In some embodiments, the drive assembly is a dual-shaft motor.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical synchronous lifting mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of the mechanically synchronized lifting mechanism;
FIG. 3 is a schematic view of a supporting base of the mechanical synchronous lifting mechanism;
reference numerals:
1. a base plate; 11. a support block; 2. a drive assembly; 21. a motor; 22. a speed reducer; 3. a first synchronizing shaft; 4. lifting the base; 41. a guide rail; 5. a lifting assembly; 51. a screw rod; 52. a supporting seat; 521. a slider; 53. a nut; 54. a lifting block; 6. a transmission assembly; 7. a first corner mechanism; 71. a coupling; 8. a second synchronizing shaft; 9. a second corner mechanism; 91. a drive bevel gear; 92. a driven bevel gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 to fig. 3, the utility model provides a mechanical synchronous lifting mechanism, include: the device comprises a bottom plate 1, a driving assembly 2, a first synchronizing shaft 3 and a lifting base 4.
Two lifting bases 4 are arranged, the two lifting bases 4 are fixedly connected to the bottom plate 1 in a left-right opposite mode, and each lifting base 4 is connected with a lifting assembly 5; the lifting assembly 5 comprises a screw rod 51, a supporting seat 52, a nut 53 and a lifting block 54, wherein the nut 53 and the lifting block 54 are oppositely connected to two sides of the supporting seat 52, the nut 53, the lifting block 54 and the supporting seat 52 are respectively connected through screws or integrally processed and formed, and a lifting groove is formed in the top of the lifting block 54; the screw rod 51 is in running fit with the lifting base 4 and is in threaded fit with a threaded hole on a nut 53; the supporting seat 52 is vertically guided and matched with the lifting base 4, specifically, one of the supporting seat 52 and the lifting base 4 is provided with a sliding block 521, and the other is provided with a vertical guide rail 41, and the guide and matching is realized by sliding matching of a sliding chute on the sliding block 521 and the guide rail 41, in this embodiment, preferably, two guide rails 41 with vertical structures are provided on the lifting base 4, two sliding blocks 521 are provided on the supporting seat 52, and the sliding chutes on the two sliding blocks 521 are correspondingly matched with the two guide rails 41 in a sliding manner; the driving assembly 2 is in transmission connection with the first synchronizing shaft 3 through the transmission assembly 6 and is used for driving the first synchronizing shaft 3 to rotate, two ends of the first synchronizing shaft 3 are in transmission connection with the two screw rods 51 through the first corner mechanisms 7 respectively and are used for driving the screw rods 51 to rotate, the screw rods 51 can drive the nuts 53 to move up and down through rotation, the two nuts 53 move up and down to drive the supporting block 11 to drive the two lifting blocks 54 to move up and down, and then two ends of an object are lifted synchronously.
The output ends of the two first corner mechanisms 7 are respectively connected with second synchronizing shafts 8, and the other ends of the two second synchronizing shafts 8 are respectively in transmission connection with the two screw rods 51 through second corner mechanisms 9.
The driving assembly 2 comprises a motor 21 and a speed reducer 22 connected with a driving end of the motor 21, the motor 21 is a servo motor or a stepping motor, preferably, the motor 21 is a servo motor in this embodiment, and an output end of the speed reducer 22 is in transmission connection with the first synchronizing shaft 3 through a transmission assembly 6. Further, the transmission assembly 6 comprises a driving gear and a driven gear, the driving gear is connected with the output end of the speed reducer 22, and the driven gear is fixedly sleeved on the first synchronizing shaft 3 and meshed with the driving gear; or the transmission assembly 6 comprises a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, the driving synchronous wheel is connected with the output end of the speed reducer 22, the driven synchronous wheel is fixedly sleeved on the first synchronous shaft 3, and the synchronous belt is sleeved on the driving synchronous wheel and the driven synchronous wheel; or the transmission assembly 6 is a gear box, the output end of the speed reducer 22 is connected with the input end of the gear box, the first synchronizing shaft 3 passes through the gear box and is connected with the output end of the gear box, specifically, the first synchronizing shaft 3 is connected with a driven gear in the gear box, a driving gear on the input end shaft of the gear box is directly meshed with the driven gear connected on the first synchronizing shaft 3 or meshed with the driven gear on the first synchronizing shaft 3 through one or more intermediate gears, so as to realize power transmission, in the embodiment, the preferred driving assembly 2 is the gear box, and the speed reducer 22 is fixedly connected with the gear box.
The first angle rotating mechanism 7 is a spiral bevel gear commutator, two ends of the first synchronizing shaft 3 are respectively connected with input ends of the two spiral bevel gear commutators through a coupler 71, the input ends of the spiral bevel gear commutators are connected with the second synchronizing shaft 8 through the coupler 71, and the second synchronizing shaft 8 is in running fit with a through hole on the lifting base 4.
The second corner mechanism 9 comprises a driving bevel gear 91 and a driven bevel gear 92, the end of the second synchronizing shaft 8 is connected with the driving bevel gear 91 through a key block and a key slot or through a tensioning sleeve, the lower end of the screw rod 51 is connected with the driven bevel gear 92 through a key block and a key slot or through a tensioning sleeve, and the driving bevel gear 91 is meshed with the driven bevel gear 92.
The bottom plate 1 is fixed with one or two or three supporting blocks 11, the embodiment prefers to have two supporting blocks 11, and the first synchronizing shaft 3 is connected with the bearing in the supporting blocks 11 in a rotating way.
In other embodiments, the first angle rotating mechanism 7 comprises a driving bevel gear and a driven bevel gear, two ends of the first synchronizing shaft are respectively connected with the driving bevel gear, two ends of the second synchronizing shaft are respectively connected with the driven bevel gear, and the driving bevel gear is meshed with the driven bevel gear; or the first corner structure 7 comprises a worm wheel and a worm, one of the worm wheel and the worm is connected with the first synchronous shaft, and the other one of the worm wheel and the worm is connected with the second synchronous shaft.
In other embodiments, the second rotating angle mechanism 9 is a helical bevel gear commutator, the second synchronizing shaft is connected with the input end of the helical bevel gear commutator through a coupler, and the input end of the helical bevel gear commutator is connected with the lower end of the screw rod through the coupler; or the second corner structure 9 comprises a worm wheel and a worm, one of the worm wheel and the worm is connected with the second synchronous shaft, and the other is connected with the lower end of the screw rod.
In other embodiments, the driving assembly 2 is a two-shaft motor, which directly drives the first synchronizing shaft to rotate.
The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (10)
1. A mechanically synchronized lifting mechanism, comprising: bottom plate, drive assembly, first synchronizing shaft, lift base, two relative rigid coupling is in about lifting the base on the bottom plate, each lift all to connect on the base and lift the subassembly, lift the subassembly and include lead screw, supporting seat, the nut of being connected with the supporting seat and lift the piece, the lead screw with lift base normal running fit and with nut screw-thread fit, the supporting seat with lift the vertical direction cooperation of base, drive assembly is connected with first synchronizing shaft transmission for drive first synchronizing shaft rotates, the both ends of first synchronizing shaft are respectively through first corner mechanism and two lead screw transmission connects for the drive lead screw rotates.
2. The mechanical synchronous lifting mechanism according to claim 1, wherein the output ends of the two first angle-rotating mechanisms are respectively connected with a second synchronous shaft, and the other ends of the two second synchronous shafts are respectively in transmission connection with the two lead screws through a second angle-rotating mechanism.
3. The mechanical synchronous lifting mechanism according to claim 1, wherein the driving assembly comprises a motor and a speed reducer connected with a driving end of the motor, and an output end of the speed reducer is in transmission connection with the first synchronous shaft through a transmission assembly.
4. The mechanical synchronous lifting mechanism according to claim 2, wherein the first rotating angle mechanism is a helical bevel gear commutator, two ends of the first synchronous shaft are respectively connected with input ends of the two helical bevel gear commutators through a coupler, and the input ends of the helical bevel gear commutators are connected with the second synchronous shaft through a coupler.
5. The mechanical synchronous lifting mechanism according to claim 2, wherein the first angle-rotating mechanism comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is connected to both ends of the first synchronizing shaft, the driven bevel gear is connected to the ends of the second synchronizing shaft, and the driving bevel gear is meshed with the driven bevel gear.
6. The mechanical synchronous lifting mechanism according to claim 2, wherein the second rotation angle mechanism comprises a driving bevel gear and a driven bevel gear, the end of the second synchronous shaft is connected with the driving bevel gear, the lower end of the screw rod is connected with the driven bevel gear, and the driving bevel gear is meshed with the driven bevel gear.
7. The mechanically synchronized lifting mechanism according to claim 2, wherein the second rotation angle mechanism is a helical bevel gear commutator, the second synchronizing shaft is connected with an input end of the helical bevel gear commutator through a coupler, and the input end of the helical bevel gear commutator is connected with a lower end of the screw rod through a coupler.
8. The mechanical synchronous lifting mechanism of claim 3, wherein the transmission assembly comprises a driving gear and a driven gear, the driving gear is connected with the output end of the speed reducer, and the driven gear is fixedly sleeved on the first synchronous shaft and meshed with the driving gear;
or the transmission assembly comprises a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, the driving synchronous wheel is connected with the output end of the speed reducer, the driven synchronous wheel is fixedly sleeved on the first synchronous shaft, and the synchronous belt is sleeved on the driving synchronous wheel and the driven synchronous wheel;
or the transmission assembly is a gear box, the output end of the speed reducer is connected with the input end of the gear box, and the first synchronous shaft penetrates through the gear box and is connected with the output end of the gear box.
9. The mechanical synchronous lifting mechanism of claim 1, wherein a support block is fixed on the bottom plate, and the first synchronous shaft is rotatably connected with a bearing in the support block; and a lifting groove is formed in the top of the lifting block.
10. The mechanically synchronized lift mechanism of claim 1, wherein the drive assembly is a dual-shaft motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709867.7U CN218434700U (en) | 2022-10-14 | 2022-10-14 | Mechanical synchronous lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709867.7U CN218434700U (en) | 2022-10-14 | 2022-10-14 | Mechanical synchronous lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218434700U true CN218434700U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709867.7U Active CN218434700U (en) | 2022-10-14 | 2022-10-14 | Mechanical synchronous lifting mechanism |
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|---|---|
| CN (1) | CN218434700U (en) |
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2022
- 2022-10-14 CN CN202222709867.7U patent/CN218434700U/en active Active
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