CN218345062U - High-precision transmission lifting platform - Google Patents
High-precision transmission lifting platform Download PDFInfo
- Publication number
- CN218345062U CN218345062U CN202222291094.5U CN202222291094U CN218345062U CN 218345062 U CN218345062 U CN 218345062U CN 202222291094 U CN202222291094 U CN 202222291094U CN 218345062 U CN218345062 U CN 218345062U
- Authority
- CN
- China
- Prior art keywords
- platform
- bearing
- bearing platform
- transmission
- transmission rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a high-precision transmission lifting platform, which comprises a bearing platform, screw rods, a transmission rod and a speed reducer, wherein the bearing platform is horizontally sleeved on a plurality of screw rods, the screw rods below the bearing platform are provided with conical nuts, and the conical nuts are rotatably provided with gear shells for supporting the bearing platform; a transmission rod is arranged between two adjacent screw rods, a cylindrical roller bearing and a bevel gear are arranged at two ends of the transmission rod, a bearing seat is fixedly sleeved outside the cylindrical roller bearing, and the bearing seat is fixed with a gear shell; the bevel gear is arranged at the end part of the transmission rod and meshed with the conical nut, and the transmission rod is controlled to rotate through the speed reducer to realize the lifting of the bearing platform. The utility model discloses a bevel gear meshes the transmission moment of torsion with conical nut mutually to drive load-bearing platform goes up and down, guarantees the positioning accuracy of load-bearing platform removal in-process, and through the fixed of control driving motor auto-lock in order to guarantee load-bearing platform.
Description
Technical Field
The utility model relates to a mechanical equipment technical field, specific saying so, a high accuracy transmission lift platform that bears to the higher precision equipment of repeated positioning accuracy requirement.
Background
In engineering application, precision equipment has higher requirement on repeated positioning precision of a platform. The conventional lifting platform adopts a screw rod rotation mode to control the lifting of the platform, and due to the factors that the machining precision is not high in the manufacturing process, errors are easily caused, mechanical abrasion is easily caused after the equipment works for a long time, and the like, the matching clearance of a thread pair is overlarge, so that the adjustment precision and the working efficiency of the equipment are reduced; and the positioning precision of the platform is limited by the distance between the threads, and the requirement of high-precision positioning cannot be met.
Therefore, a need exists for a precision equipment adjustment platform that can ensure repeatable positioning accuracy requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy transmission lift platform for solve the problem that can't carry out the high accuracy location among the prior art.
The utility model discloses a following technical scheme solves above-mentioned problem:
a high precision drive lift platform comprising: the bearing platform is horizontally sleeved on the plurality of screw rods, conical nuts are arranged on the screw rods below the bearing platform in a threaded manner, and gear shells for supporting the bearing platform are rotatably arranged on the conical nuts; a transmission rod is arranged between two adjacent screw rods, a cylindrical roller bearing and a bevel gear are arranged at two ends of the transmission rod, a bearing seat is fixedly sleeved outside the cylindrical roller bearing, and the bearing seat is fixed with a gear shell; the bevel gear is arranged at the end part of the transmission rod and meshed with the conical nut, and the transmission rod is controlled to rotate through the speed reducer to realize the lifting of the bearing platform.
As a further improvement of the utility model, the upper ends of a plurality of the screw rods are provided with cabin top embedded iron, and the lower ends are provided with fixed flanges; the bearing platform downside is provided with the transfer line stopper that supports the transfer line.
As a further improvement, the last a plurality of running-on that is provided with of load-bearing platform, the running-on internal fixation is provided with the awl seat, establishes the installation through the awl seat to the lead screw cover.
As a further improvement, the transmission lifting platform is provided with a collision block, and the lead screw is provided with a travel switch which is matched with the collision block to carry out limit on the lifting height of the bearing platform.
As a further improvement, the lead screw is provided with a limit nut, and the bearing platform is mechanically limited by the limit nut.
As a further improvement, the speed reducer is fixed on the lower side of the bearing platform and is connected with a driving motor.
As a further improvement, the speed reducer is fixed on the lower side of the bearing platform and is connected with a driving motor.
As a further improvement, the transmission rod is connected with the bevel gear flat key, and the joint cover is equipped with the shaft coupling.
As a further improvement, the conical nut lower extreme is provided with the gland through cylindrical roller bearing, and the gland is fixed mutually with gear housing.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the two ends of the transmission rod of the utility model are connected with the bevel gear through the shaft coupling, and the bevel gear is meshed with the conical nut to transmit torque, thereby driving the bearing platform to lift and ensuring the positioning precision of the bearing platform in the moving process; and the driving motor is controlled to be self-locked to ensure that the bevel gear does not rotate any more by contacting the conical seat with the limiting nut or contacting the travel switch with the collision block, so that the bearing platform is completely fixed at the highest point, and the influence of a thread clearance on the positioning precision of the platform is eliminated.
Drawings
Fig. 1 is a schematic perspective view of a high-precision transmission lifting platform according to an embodiment of the present invention;
fig. 2 is a schematic front view of a high-precision transmission lifting platform according to an embodiment of the present invention;
fig. 3 is a schematic side view of the high-precision transmission lifting platform according to the embodiment of the present invention.
Reference numerals: 1-fixing a flange; 2-a screw rod; 3-driving a motor; 4-a speed reducer; 5-a transmission rod; 6-carrying platform; 7-bevel gears; 8-taper nuts; 9-cylindrical roller bearings; 10-a gear housing; 11-a travel switch; 12-a limit nut; 13-a conical seat; 14-burying iron on the top of the cabin; 15-hand wheel; 16-a coupling; 17-a bearing seat; 18-a gland; 19-bump block; 20-drive rod stop.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example (b):
referring to the attached drawings 1-3, a high-precision transmission lifting platform comprises screw rods 2, a driving motor 3, a speed reducer 4, a transmission rod 5, a bearing platform 6, a bevel gear 7, a conical nut 8, a gear shell 10, a gland 18 and the like, wherein the bearing platform 6 is horizontally sleeved on a plurality of screw rods 2, and the plurality of screw rods do not rotate during working; the driving motor 3, the speed reducer 4, the transmission rod 5, the bevel gear 7 and the cone nut 8 are arranged on the lower side of the bearing platform 6, specifically, the number of the screw rods of the embodiment is four, the screw rods are respectively arranged at four corners of the square bearing platform, the transmission rod 5 is arranged between every two adjacent screw rods, the bevel gear 7 is fixed at two ends of the transmission rod, the cone nut 8 is arranged below the bevel gear 7 and meshed with the bevel gear 7, the cone nut is in threaded connection with the screw rod 2, the lower end of the cone nut is rotatably provided with a gland 18, a gear shell is arranged between the gland and the bearing platform, and the bearing platform can be supported through the gear shell so as to adjust the height of the bearing platform by adjusting the height of the cone nut at the screw rod; the middle part of the transmission rod 5 is provided with a speed reducer 4 connected with the driving motor 3, when the bearing platform is lifted, the speed reducer is controlled to rotate through the driving motor, the transmission rod 5 and a bevel gear 7 on the transmission rod 5 are driven to rotate, and the height of the bevel nut on the screw rod is controlled through the meshing effect of the bevel gear and the bevel nut, so that the height of the bearing platform is adjusted.
Further, the lower end of the screw rod 2 is provided with a fixed flange 1, and the upper end of the screw rod is provided with cabin roof embedded iron 14 to support the whole lifting platform. The bearing platform is provided with a sleeve opening at the position where the screw rod is sleeved, and a conical seat 13 is fixed in the sleeve opening through a bolt. Travel switches 11 are arranged at the upper end and the lower end of the screw rod 2, and a collision block 19 is arranged on the bearing platform so as to trigger the travel switches 11 through the collision block 19 to control the lifting height of the bearing platform. The collision block can also be arranged at the lower side of the gland 18, so that the travel switch 11 at the lower end of the screw rod is contacted with the collision block to trigger the lowest position of the travel switch bearing platform; in this embodiment, the concrete position of hitting the piece only need guarantee can cooperate with travel switch in order to carry out the restriction with the height to load-bearing platform can, concrete position and the structure of setting are not injectd, are connected with driving motor electricity through travel switch to control driving motor. A limit nut 12 can be further arranged below the cabin top embedded iron 14, during debugging, the limit nut is adjusted to the highest position of the bearing platform limited by the travel switch, so that the height of the limit nut is not manually adjusted any more during use, mechanical limit can be performed on upward displacement of the bearing platform, when the conical seat 13 is in contact with the limit nut 12, the bearing platform is shown to be lifted to the highest position, the driving motor 3 is self-locked, the bevel gear 7 is not rotated any more, the bearing platform 6 is completely fixed, and the influence of thread gaps on positioning accuracy is eliminated.
Of course, the driving motor can be sleeved on the transmission rod and fixed on the lower side of the bearing platform; a hand wheel 15 can be arranged on the driving motor, so that when the driving motor breaks down, the hand wheel 15 can be manually rotated to adjust the height of the bearing platform 6.
Preferably, the bevel gear 7 is fixed at two ends of the transmission rod 5 through the couplers 16, the flat key at the end of the transmission rod is matched with the key slot on the bevel gear, so that the transmission rod and the bevel gear do not rotate relatively to transmit torque, the couplers 16 are sleeved outside the key slot matching position, and the flat key is prevented from being separated from the key slot to cause matching failure. Bevel gear sets up in gear housing and with the interior conical nut meshing of gear housing, and coupling 16 is outer to be close to bevel gear pot head and is equipped with bearing frame 17, and bearing frame 17 inserts the gear housing from gear housing one side and sets up, and of course, the bearing frame still can be fixed mutually with gear housing through the bolt to do not take place the circumferencial direction displacement when guaranteeing bevel gear can pivoting, prevent bevel gear and the not hard up phenomenon of conical nut meshing. One end of the bearing seat 17 close to the bevel gear 7 is provided with a cylindrical roller bearing 9, so that the bearing seat 17 does not rotate along with the transmission rod; the gland 18 is sleeved on the conical nut outside the screw rod and covers the lower side of the gear shell through the gland 18 so as to support the gear shell. Preferably, the upper end of the gear shell is further fixed on the lower side of the bearing platform 6 through screws; a cylindrical roller bearing is also embedded between the gland and the conical nut, so that when the conical nut rotates on the screw rod, the gland, the gear shell and the bearing platform are integrated and only move up and down.
In a possible embodiment, the transmission lifting platform is further provided with a transmission rod stopper 20, the transmission rod stopper 20 is arranged in the middle of the transmission rod, one end of the transmission rod stopper is fixed on the lower side of the bearing platform, and the other end of the transmission rod stopper is sleeved on the transmission rod, so that the deformation caused by the overlong transmission rod is reduced through the transmission rod stopper.
The utility model discloses a transmission lift platform easily realizes and operates, and bearing capacity is strong, and structural reliability is high, and positioning accuracy does not receive the screw thread interval to influence, is particularly useful for bearing to the higher equipment of repeated positioning accuracy requirement. The transmission rod limiter is arranged on the transmission rod below the bearing platform, the speed reducer is arranged on any transmission rod below the bearing platform, so that the torque of the speed reducer is increased by controlling the speed reducer through the driving motor, the bevel gear on the transmission rod provided with the speed reducer drives the conical nut to rotate, the torque is further transmitted to other bevel gears through the conical nut, the bearing platform is controlled to lift, and the horizontal lifting of the bearing platform is guaranteed.
Although the present invention has been described herein with reference to the illustrated embodiments thereof, which are merely preferred embodiments of the present invention, it is to be understood that the present invention is not limited thereto, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure.
Claims (9)
1. The utility model provides a high accuracy transmission lift platform which characterized in that includes: the bearing platform is horizontally sleeved on the plurality of screw rods, conical nuts are arranged on the screw rods below the bearing platform in a threaded manner, and gear shells for supporting the bearing platform are rotatably arranged on the conical nuts; a transmission rod is arranged between two adjacent screw rods, a cylindrical roller bearing and a bevel gear are arranged at two ends of the transmission rod, a bearing seat is fixedly sleeved outside the cylindrical roller bearing, and the bearing seat is fixed with a gear shell; the bevel gear is arranged at the end part of the transmission rod and meshed with the conical nut, and the transmission rod is controlled to rotate through the speed reducer to realize the lifting of the bearing platform.
2. The high-precision transmission lifting platform as claimed in claim 1, wherein a cabin top embedded iron is arranged at the upper end of each of the plurality of screw rods, and a fixing flange is arranged at the lower end of each of the plurality of screw rods; the bearing platform downside is provided with the transfer line stopper that supports the transfer line.
3. The high-precision transmission lifting platform as claimed in claim 1, wherein the bearing platform is provided with a plurality of sockets, the sockets are internally and fixedly provided with conical seats, and the screw rods are sleeved and mounted through the conical seats.
4. The high-precision transmission lifting platform is characterized in that the transmission lifting platform is provided with a collision block, and a travel switch which is matched with the collision block to limit the lifting height of the bearing platform is arranged on the screw rod.
5. A high-precision transmission lifting platform as claimed in claim 4, wherein a limit nut is arranged on the screw rod, and the bearing platform is mechanically limited by the limit nut.
6. The high-precision transmission lifting platform according to claim 1, wherein the speed reducer is fixed on the lower side of the bearing platform and is connected with a driving motor.
7. The high-precision transmission lifting platform according to claim 6, wherein the speed reducer is connected with a hand wheel.
8. A high accuracy transmission lift platform according to any of claims 1 to 7, wherein the transmission rod is in flat key connection with the bevel gear, and a coupling is sleeved at the connection.
9. A high accuracy transmission lift platform according to claim 8, characterized in that the conical nut lower end is provided with a gland through a cylindrical roller bearing, the gland being fixed with the gear housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222291094.5U CN218345062U (en) | 2022-08-29 | 2022-08-29 | High-precision transmission lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222291094.5U CN218345062U (en) | 2022-08-29 | 2022-08-29 | High-precision transmission lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218345062U true CN218345062U (en) | 2023-01-20 |
Family
ID=84915798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222291094.5U Active CN218345062U (en) | 2022-08-29 | 2022-08-29 | High-precision transmission lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218345062U (en) |
-
2022
- 2022-08-29 CN CN202222291094.5U patent/CN218345062U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104595307B (en) | A kind of electric telescopic pipe | |
| CN203284166U (en) | Elevator | |
| CN218345062U (en) | High-precision transmission lifting platform | |
| CN108584810B (en) | Translation, lifting and rolling mechanism for cylindrical precise carrier | |
| CN212450432U (en) | Mechanical automation lift platform | |
| CN115303976A (en) | High-precision transmission lifting platform | |
| CN209815087U (en) | Corner machine with lifting function | |
| CN207645719U (en) | A kind of working at height robot auto-manual lifting gear | |
| CN110963439A (en) | Large-scale ejecting cabin drive arrangement | |
| CN217081354U (en) | Hard tooth surface speed reducer for secondary forming unit | |
| CN113043138B (en) | Tooling for machining planet carrier and machining method thereof | |
| CN211366824U (en) | Lifting device | |
| CN213060053U (en) | Battery pack is with loading and unloading separation support for new energy automobile | |
| CN112720031A (en) | Automatic feeding device for machining | |
| CN211198514U (en) | Lifting device | |
| CN216235913U (en) | Make things convenient for heavy lift platform of rotation regulation | |
| CN219750797U (en) | Movably-installed double-layer power roller elevator | |
| CN220848876U (en) | Assembled building construction side direction bearing structure | |
| CN213647136U (en) | Wear-resistant ball forging machine body | |
| CN116605796B (en) | Elevating platform transmission device | |
| CN220408539U (en) | Installation positioning device for mechanical equipment assembly | |
| CN113247796B (en) | Lifter for tractor | |
| CN218408451U (en) | Large-diameter row brush and gear box structure | |
| CN218698981U (en) | Mechanical arm for service robot | |
| CN214888752U (en) | Speed reducer for fruit sorting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |