CN209651807U - It is a kind of for carrying the trolley elevating mechanism of operation tool - Google Patents
It is a kind of for carrying the trolley elevating mechanism of operation tool Download PDFInfo
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- CN209651807U CN209651807U CN201822226748.XU CN201822226748U CN209651807U CN 209651807 U CN209651807 U CN 209651807U CN 201822226748 U CN201822226748 U CN 201822226748U CN 209651807 U CN209651807 U CN 209651807U
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- elevating mechanism
- push rod
- rack
- trolley
- wheel shaft
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Abstract
The utility model discloses a kind of for carrying the trolley elevating mechanism of operation tool, including rack-and-pinion elevating mechanism, rack-and-pinion elevating mechanism includes lifter rack after horizontal push, nipper wheel shaft, backgear axle, two preceding lifter racks and two, nipper wheel shaft and backgear axle are arranged in parallel, and the both ends of horizontal push are engaged with nipper wheel shaft and backgear axle by gear respectively；The both ends of nipper wheel shaft are engaged with two preceding lifter racks, and the both ends of backgear axle are engaged with lifter rack after two；The push rod end of driving push rod is fixedly connected with horizontal push.Trolley elevating mechanism disclosed by the utility model is compact-sized, bearing capacity is big, and driving device is versatile and good operability, requires installation accuracy low, has many advantages, such as that unbalance loading amount is small, stationarity is good, reliability is high, is less prone to failure.
Description
Technical field
The utility model relates to technical field of medical equipment, and in particular to a kind of trolley lifting for carrying operation tool
Mechanism.
Background technique
In recent years, operating robot is quickly grown, various operating robots, such as neural robot, orthopaedics machine
People, laparoscope robot operation trolley be more and more applied in operation, the operation tool head of all kinds of operating robots is all
It needs to be set on a Medical trolley.However, the size of elevating mechanism is big since Medical trolley space is more narrow, lifting
In lifting process, the center of gravity unbalance loading amount of elevating mechanism is big for mechanism, and running when unstable, platform is not able to maintain horizontal thing has
Occur, is not able to satisfy trolley elevating mechanism and the height of unbalance loading amount and stationarity is asked.
Utility model content
The purpose of this utility model is to provide a kind of for carrying the trolley elevating mechanism of operation tool, to solve hand
For carrying existing for the trolley elevating mechanism of operation tool the problem that unbalance loading amount is big, stationarity is poor in art robot.
The utility model provides a kind of trolley elevating mechanism, including rack-and-pinion elevating mechanism, the rack-and-pinion lifting
Mechanism includes lifter rack after horizontal push, nipper wheel shaft, backgear axle, two preceding lifter racks and two, the front gear
Axis and the backgear axle are arranged in parallel, and the both ends of the horizontal push are respectively and in the nipper wheel shaft and the backgear axle
Gear engagement；The both ends of the nipper wheel shaft are engaged with two preceding lifter racks, after the both ends of the backgear axle are with two
Lifter rack engagement；The horizontal push moves horizontally forward or backward, and then drives the nipper wheel shaft and the backgear
Axis rotates simultaneously；And then two preceding lifter racks are driven to move along a straight line downward or upward, while driving two rear liters
Drop rack gear moves along a straight line downward or upward.
Preferably, it is fixed with front drive gear on the nipper wheel shaft, is fixed with rear drive gear in the backgear axle,
Level push-and-pull rack gear and rear horizontal push-and-pull rack gear, horizontal push-and-pull rack gear and institute before described before the both ends of the horizontal push are fixed with
Horizontal push-and-pull rack gear is intermeshed with the front drive gear and the rear drive gear respectively after stating.
Preferably, the both ends of the nipper wheel shaft are respectively fixed with two preceding lifting gears, the both ends of the backgear axle
Lifting gear after being respectively fixed with two, two preceding lifting gears are intermeshed with two preceding lifter racks respectively, and two
After described lifting gear respectively with two after lifter rack be intermeshed.
Preferably, the trolley elevating mechanism further includes driving push rod, the push rod end of the driving push rod and the level
Push rod is fixedly connected.
Preferably, the trolley elevating mechanism further includes upper flat plate, the motor side of the driving push rod and the upper flat plate
It is fixedly connected；The upper flat plate is fixedly connected with bearing spider, and the both ends of the nipper wheel shaft and the backgear axle are provided with
Bearing, the bearing are set in the bearing spider.
Preferably, the trolley elevating mechanism further includes lower plate, and the lower plate plate face is parallel with the upper flat plate；Institute
It states rack-and-pinion elevating mechanism and the lower plate is fixed on by the rear lifter rack of two preceding lifter racks and two.
Preferably, be vertically and fixedly provided with four guide upright posts on the lower plate, the guide upright post is straight line column, it is described on
Four guide sleeves, the both ends open of the guide sleeve are vertically and fixedly provided on plate, four guide upright posts are arranged in four respectively
In a guide sleeve and both pass through the upper flat plate.
Preferably, the driving push rod is parallel to each other with the horizontal push, the motor side and push rod of the driving push rod
End has been respectively fixedly connected with driving push rod fixing piece and driving push rod adapting rod, and the driving push rod and the upper flat plate pass through drive
Dynamic push rod fixing piece is fixedly connected, and the push rod end of the driving push rod and the horizontal push pass through the driving push rod adapting rod
It is fixedly connected.
Preferably, the rack-and-pinion elevating mechanism further includes linear bearing after a preceding linear bearing and one, described
Horizontal push is fixed to be arranged in the preceding linear bearing and the rear linear bearing, the preceding linear bearing and the rear straight line
The bearing holder (housing, cover) of bearing is fixedly connected with the upper flat plate.
Preferably, the preceding linear bearing and the rear linear bearing are flange form linear bearing, the preceding linear axis
It holds and is fixedly connected by flange support with the upper flat plate with the rear linear bearing.
The beneficial effects of the utility model are:
Trolley elevating mechanism disclosed by the utility model is using four lifter racks of rack-and-pinion elevating mechanism as support
The position of centre of gravity of point, vehicle elevating mechanism is located within multi-point support region, and trolley elevating mechanism is made to realize 4 producing balanced forces, energy
Tilting moment caused by being reduced or eliminated according to the position of position of centre of gravity adjusting trolley elevating mechanism because of center of gravity, significantly reduces
Tilting moment caused by eccentric force, so that the active force that trolley elevating mechanism is subject to is obviously reduced, deformation is also obviously reduced；
Four lifter racks of trolley elevating mechanism disclosed by the utility model are evenly distributed in the power of each Jacking point, are going up and down
Thrust size is kept constant in journey, and lifting speed is uniform, so that structure stress situation greatly improves, so as to smoothly rise very much
Trolley, tilting moment caused by can be reduced or eliminating because of center of gravity drop；Trolley elevating mechanism disclosed by the utility model can be convenient
The position that ground adjustment trolley lifter rack is connected with trolley chassis, to be suitable for the different trolley of various position of centre of gravitys；This reality
It is compact-sized with novel disclosed trolley elevating mechanism, it can be arranged in small space；The mechanism that the utility model uses is mark
The bearing of quasi- gear & rack structure and standard, part sourcing is convenient, and requirement of remaining components to the accuracy of manufacture is low, and mechanism can
By property height, turnover rate is small, it is easy to accomplish.Therefore, trolley elevating mechanism disclosed by the utility model is compact-sized, bearing capacity is big,
Driving device is versatile and good operability, requires installation accuracy low, has that unbalance loading amount is small, stationarity is good, reliability is high, no
The advantages that easily breaking down.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that trolley elevating mechanism provided by the utility model declines state；
Fig. 2 is the structural schematic diagram of trolley elevating mechanism propradation provided by the utility model；
Fig. 3 is the structural schematic diagram that rack-and-pinion elevating mechanism provided by the utility model is connected with driving push rod；
Fig. 4 is the structural schematic diagram of rack-and-pinion elevating mechanism provided by the utility model.
Specific embodiment
Embodiment 1
Embodiment 1 provides a kind of for carrying the trolley elevating mechanism of operation tool, to provide below embodiment 1 structure
It is described in detail.
Referring to figs. 1 to Fig. 4, which includes lower plate 1, rack-and-pinion elevating mechanism 2, upper flat plate 3, driving
Push rod 4 and four guide upright posts 7, rack-and-pinion elevating mechanism 2 include horizontal push 12, nipper wheel shaft 16, backgear axle 16',
Lifter rack 5' after two preceding lifter racks 5 and two, the middle part of nipper wheel shaft 16 is fixed with front drive gear 14, backgear axle
Rear drive gear 14' is fixed in the middle part of 16', the both ends of horizontal push 12 are fixed with preceding horizontal push-and-pull rack gear 8 and rear level pushes away
Draw rack gear 8', preceding horizontal push-and-pull rack gear 8 and it is rear it is horizontal push and pull rack gear 8' respectively with front drive gear 14 and rear drive gear 14' phase
Mutually engagement；The both ends of nipper wheel shaft 16 are respectively fixed with two preceding lifting gears 15, and the both ends of backgear axle 16' are respectively fixed with
Lifting gear 15' after two, two preceding lifting gears 15 are engaged with two preceding lifter racks 5 respectively, lifting gear after two
15' respectively with two after lifter rack 5' be intermeshed, lower plate is fixed in the bottom end of preceding lifter rack 5 and rear lifter rack 5'
1, lower plate 1 is parallel with upper flat plate 3, which can be with any supporting plane；The motor side and push rod end 10 of driving push rod 4
It is fixedly connected respectively with upper flat plate 3 and horizontal push 12；The both ends of nipper wheel shaft 16 and the both ends of backgear axle 16' are provided with
Bearing spider, bearing spider are fixedly connected with upper flat plate 3；Upper flat plate 3 is slideably positioned on guide upright post 7, the bottom of guide upright post 7
Lower plate 1 is fixed at end.
Specifically, driving push rod 4 is the driving push rod of translator.Lifter rack 5' after two preceding lifter racks 5 and two
In horizontal plane projection line be rectangle.
In order to keep upper flat plate 3 free to slide in guide upright post 7 or up or down, it is preferable that guide upright post 7 is straight line column, on
Four guide sleeves 31, the both ends open of guide sleeve 31 are vertically and fixedly provided on plate 3, guide sleeve 31 is movably set in guide upright post 7
On.
Lower plate 1 can also be the supporting planes such as smooth ground, floor face, desktop, specifically, four guide upright posts 7
It is fixed on lower plate 1, four guide sleeves 31 is vertically and fixedly provided on upper flat plate 3；Four guide upright posts 7 are arranged in four respectively and lead
Into set 31 and both pass through upper flat plate 3；Lower plate 1 is fixed in the bottom end of preceding lifter rack 5 and rear lifter rack 5'.
Specifically, the motor side of driving push rod 4 is fixedly connected by driving push rod fixing piece 9 with upper flat plate 3, driving push rod
4 is arranged in parallel with horizontal push 12, and driving push rod adapting rod is vertically installed between driving push rod 4 and horizontal push 12
11, the push rod end 10 of driving push rod 4 is fixedly connected by driving push rod adapting rod 11 with the middle part of horizontal push 12.
More specifically, driving push rod adapting rod 11 is straight-bar, the drive being parallel to each other is offered on driving push rod adapting rod 11
Push rod through-hole and horizontal push through-hole are moved, is provided with bolt hole, driving push rod 4 on driving push rod through-hole and upper horizontal push through-hole
It is through driving push rod through-hole and horizontal push through-hole respectively with horizontal push 12, and is bolted.
In order to increase the stability of rack-and-pinion elevating mechanism 2, rack-and-pinion elevating mechanism 2 further includes a preceding straight line
Linear bearing 13' after bearing 13 and one.Linear bearing is the highly developed prior art, i.e., linear bearing is a kind of straight line fortune
Dynamic system, is used cooperatively for rectilinear path and cylindrical shaft.Due to bearing ball and bearing outside point contact, steel ball is rubbed with the smallest
It wipes resistance to roll, therefore linear bearing has friction small and more stable, does not change with bearing speed, can obtain sensitivity
Steady linear motion high, with high accuracy.Horizontal push 12 is set in preceding linear bearing 13 and rear linear bearing 13', preceding straight line
The bearing holder (housing, cover) of bearing 13 and rear linear bearing 13' are fixedly connected with upper flat plate 3.Further, preceding linear bearing 13 and rear straight line
Bearing 13' is flange form linear bearing, and preceding linear bearing 13 and rear linear bearing 13' are solid by flange support and upper flat plate 3
Fixed connection.
Specifically, there are two fore bearing, fore bearing is set to fore bearing support for the end setting at the both ends of nipper wheel shaft 16
In 6, the end setting at the both ends of backgear axle 16' is there are two rear bearing, and rear bearing is set in rear bearing support 6', fore bearing
Support 6 and rear bearing support 6' are fixedly connected with upper flat plate 3.
Further, electric pushrod 4 is configured with limiter, which can be a kind of mechanical and electronic limit mechanism, is
A kind of prior art of maturation, for details, reference can be made to a kind of Chinese utility model patent " linear electricity with microswitch limiter
Dynamic push rod " microswitch limiter disclosed in Patent No. CN201310689341.X, when the motor of electric pushrod 4 touches
When limiter, the motor of limiter driving electric pushrod 4 shuts down or inverts.
When the push rod end 10 of driving push rod 4 moves horizontally forward or backward, 12 horizontal movement of horizontal push is driven, in turn
It horizontal push-and-pull rack gear 8 and rear horizontal push-and-pull rack gear 8' while horizontally forward or moving backward before pushing or pull on；Front drive gear
14 and rear drive gear 14' is counterclockwise or rotates simultaneously clockwise, and front drive gear 14 and rear drive gear 14' drive respectively
Nipper wheel shaft 16 and backgear axle 16' rotate simultaneously；Front drive gear 14 drives two preceding lifting gears 15 to rotate, and rises before two
Drop gear 15 drives two preceding lifter racks 5 to move along a straight line downward or upward, while going up and down after rear drive gear 14' drive two
Gear 15' rotates, and lifter rack 5' moves along a straight line downward or upward after lifting gear 15' drives two after two.
Since Medical trolley plumb line not necessarily passes through the geometric center of trolley, preceding lifter rack 5 and rear lifter rack 5'
Position it is adjustable so that four lifter racks constitute rectangle geometric center close to entire trolley plumb line, thus
Play tilting moment caused by reducing or eliminating because of center of gravity.
Embodiment 2
Embodiment 2 provides a kind of trolley elevating method, the trolley elevating mechanism provided using embodiment 1, trolley lifting side
Method the following steps are included:
Step S1: the push rod end 10 of driving push rod 4 moves horizontally forward or backward, drives 12 horizontal movement of horizontal push；
Step S2: horizontal push 12 is horizontal before pushing or pull on to push and pull rack gear 8 and rear horizontal push-and-pull rack gear 8' while level
It is moved forward or rearward；
Step S3: preceding horizontal push-and-pull rack gear 8 and rear horizontal push-and-pull rack gear 8' drive front drive gear 14 and rear drive gear
14' is counterclockwise or rotates simultaneously clockwise；
Step S4: front drive gear 14 and rear drive gear 14' drive nipper wheel shaft 16 and backgear axle 16' same respectively
Shi Xuanzhuan；
Step S5: front drive gear 14 drives two preceding lifting gears 15 to rotate, and two preceding lifting gears 15 drive two
Preceding lifter rack 5 moves along a straight line downward or upward, while lifting gear 15' rotates after rear drive gear 14' drive two, and two
Lifter rack 5' moves along a straight line downward or upward after lifting gear 15' drives two after a,
Lifter rack 5' rises or falls to a direction after step S6: two preceding lifter racks 5 and two, to realize
The liter and drop of trolley.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of trolley elevating mechanism, which is characterized in that including rack-and-pinion elevating mechanism (2),
The rack-and-pinion elevating mechanism (2) include horizontal push (12), nipper wheel shaft (16), backgear axle (16'), before two
After lifter rack (5) and two lifter rack (5'),
The nipper wheel shaft (16) and the backgear axle (16') are arranged in parallel, the both ends of the horizontal push (12) respectively with
Gear engagement on the nipper wheel shaft (16) and the backgear axle (16')；
The both ends of the nipper wheel shaft (16) are engaged with two preceding lifter racks (5), the both ends and two of the backgear axle (16')
After a (5') lifter rack engages；
The horizontal push (12) moves horizontally forward or backward, and then drives the nipper wheel shaft (16) and the backgear axle
(16') rotates simultaneously；And then two preceding lifter racks (5) are driven to move along a straight line downward or upward, while driving two institutes
Rear lifter rack is stated (5') to move along a straight line downward or upward.
2. trolley elevating mechanism according to claim 1, which is characterized in that
It is fixed with front drive gear (14) on the nipper wheel shaft (16), is fixed with rear sliding tooth on the backgear axle (16')
It takes turns (14'), (8') the both ends of the horizontal push (12) are horizontal before being fixed with to push and pull rack gear (8) and rear horizontal push-and-pull rack gear, institute
Before stating horizontal push-and-pull rack gear (8) and it is described after it is horizontal push and pull rack gear (8') respectively with the front drive gear (14) and the rear-guard
Moving gear (14') intermeshing.
3. trolley elevating mechanism according to claim 1, which is characterized in that
The both ends of the nipper wheel shaft (16) are respectively fixed with two preceding lifting gears (15), and the two of the backgear axle (16')
End be respectively fixed with two after lifting gear (15'), two preceding lifting gears (15) respectively with two preceding lifter racks (5)
Intermeshing, two it is described after lifting gears (15') respectively with two after lifter rack be (5') intermeshed.
4. trolley elevating mechanism according to claim 1, which is characterized in that the trolley elevating mechanism further includes that driving pushes away
The push rod end (10) of bar (4), the driving push rod (4) is fixedly connected with the horizontal push (12).
5. trolley elevating mechanism according to claim 4, which is characterized in that the trolley elevating mechanism further includes upper flat plate
(3),
The motor side of the driving push rod (4) is fixedly connected with the upper flat plate (3)；
The upper flat plate (3) is fixedly connected with bearing spider, the both ends of the nipper wheel shaft (16) and the backgear axle (16')
It is provided with bearing, the bearing is set in the bearing spider.
6. trolley elevating mechanism according to claim 5, which is characterized in that the trolley elevating mechanism further includes lower plate
(1), the lower plate (1) is parallel with the upper flat plate (3)；
(5') the rack-and-pinion elevating mechanism (2) passes through two preceding lifter racks (5) and two rear lifter racks
It is fixed on the lower plate (1).
7. trolley elevating mechanism according to claim 6, which is characterized in that
Four guide upright posts (7) are vertically and fixedly provided on the lower plate (1), the guide upright post (7) is straight line column, described flat
Four guide sleeves (31), the both ends open of the guide sleeve (31), four guide upright posts (7) are vertically and fixedly provided on plate (3)
It is arranged in four guide sleeves (31) respectively and both passes through the upper flat plate (3).
8. trolley elevating mechanism as claimed in claim 5, which is characterized in that
The driving push rod (4) is parallel to each other with the horizontal push (12), the motor side and push rod end of the driving push rod (4)
(10) it has been respectively fixedly connected with driving push rod fixing piece (9) and driving push rod adapting rod (11),
The driving push rod (4) is fixedly connected with the upper flat plate (3) by driving push rod fixing piece (9),
The push rod end (10) of the driving push rod (4) and the horizontal push (12) are solid by the driving push rod adapting rod (11)
Fixed connection.
9. trolley elevating mechanism as claimed in claim 5, which is characterized in that
The rack-and-pinion elevating mechanism (2) further includes linear bearing (13') after a preceding linear bearing (13) and one,
The horizontal push (12) is fixed to be arranged in the preceding linear bearing (13) and the rear linear bearing (13'), described
The bearing holder (housing, cover) of preceding linear bearing (13) and the rear linear bearing (13') is fixedly connected with the upper flat plate (3).
10. trolley elevating mechanism as claimed in claim 9, which is characterized in that
The preceding linear bearing (13) and the rear linear bearing (13') are flange form linear bearing, the preceding linear bearing
(13) it is fixedly connected by flange support with the upper flat plate (3) with the rear linear bearing (13').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226748.XU CN209651807U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226748.XU CN209651807U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209651807U true CN209651807U (en) | 2019-11-19 |
Family
ID=68519147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822226748.XU Active CN209651807U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209651807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437053A (en) * | 2018-12-28 | 2019-03-08 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
| CN109573879A (en) * | 2018-12-28 | 2019-04-05 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
-
2018
- 2018-12-28 CN CN201822226748.XU patent/CN209651807U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437053A (en) * | 2018-12-28 | 2019-03-08 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
| CN109573879A (en) * | 2018-12-28 | 2019-04-05 | 北京术锐技术有限公司 | It is a kind of for carrying the trolley elevating mechanism of operation tool |
| CN109573879B (en) * | 2018-12-28 | 2023-07-04 | 北京术锐机器人股份有限公司 | Trolley lifting mechanism for carrying operation tool |
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Address after: Room d101a-63, B-2 / F, Dongsheng Science Park, 66 xixiaokou Road, Haidian District, Beijing, 100192 Patentee after: Beijing Shurui Robot Co.,Ltd. Address before: Room d101a-63, B-2 / F, Dongsheng Science Park, 66 xixiaokou Road, Haidian District, Beijing, 100192 Patentee before: BEIJING SURGERII TECHNOLOGY Co.,Ltd. |