CN208842170U - A kind of wheel group lifting structure based on Bidirectional-screw - Google Patents
A kind of wheel group lifting structure based on Bidirectional-screw Download PDFInfo
- Publication number
- CN208842170U CN208842170U CN201821423021.4U CN201821423021U CN208842170U CN 208842170 U CN208842170 U CN 208842170U CN 201821423021 U CN201821423021 U CN 201821423021U CN 208842170 U CN208842170 U CN 208842170U
- Authority
- CN
- China
- Prior art keywords
- screw
- bidirectional
- wheel
- rack
- swinging mounting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a kind of wheel group lifting structure based on Bidirectional-screw, including rack, it is installed on the Bidirectional-screw of rack, screw rod driving device and two swinging mountings, screw rod driving device drives Bidirectional-screw rotation, feed screw nut there are two being set on Bidirectional-screw, when Bidirectional-screw rotates, the direction of motion of two feed screw nuts on Bidirectional-screw is opposite, two swinging mounting components are relatively arranged on the two sides of rack respectively, wheel assembly is respectively articulated on each swinging mounting component, swinging mounting component and feed screw nut correspond, one end of swinging mounting component is articulated with rack, feed screw nut drives swinging mounting component to rotate around with the hinge joint of rack.The present apparatus is by a screw rod driving device driving Bidirectional-screw rotation, pass through the contrary movement of the progress of two feed screw nuts on Bidirectional-screw, reach while driving the swinging mounting component movement positioned at rack two sides, realizes that two sides wheel is lifted simultaneously or the purpose of decline, structure are simplified.
Description
Technical field
The utility model relates to robot fields, more particularly to a kind of wheel group lifting structure based on Bidirectional-screw.
Background technique
The rapid development of science and technology has established solid foundation to being constantly progressive for robot, and robot can be in life
Every aspect be we service.According to the different function of robot and workplace, the chassis of robot has different machines
Tool structure.For that can encounter the robot of obstacle during the work time, lifting chassis is most common.Not according to robot load
Together, chassis lifting travel is different, and cost is different and other factors have different chassis lifting schemes.Now for underloading machine
Device people's lifting scheme majority mechanical structure is more complicated, higher cost.
Therefore urgently develop a kind of structure it is simple, it is lower-cost be directed to underloading robot lifting device.
Summary of the invention
For the technical problems in the prior art, the purpose of this utility model is: providing a kind of based on Bidirectional-screw
Wheel group lifting structure, structure simplifies, and saves space, and cost is relatively low, and underloading robot is suitble to use.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of wheel group lifting structure based on Bidirectional-screw, including rack are installed on Bidirectional-screw, the screw rod driving of rack
Device and two swinging mountings, screw rod driving device drive Bidirectional-screw rotation, are set on Bidirectional-screw there are two feed screw nut,
When Bidirectional-screw rotates, the direction of motion of two feed screw nuts on Bidirectional-screw is on the contrary, two swinging mounting components distinguish phase
To the two sides for being set to rack, wheel assembly, swinging mounting component and screw rod spiral shell are respectively articulated on each swinging mounting component
Mother corresponds, and one end of swinging mounting component is articulated with rack, and feed screw nut drives swinging mounting component around the hinge with rack
Contact rotation.
Further, push rod and link assembly, push rod one are respectively equipped between each pair of feed screw nut and swinging mounting component
End is articulated with feed screw nut, and the other end of push rod is articulated with link assembly, and feed screw nut's driving push rod is mobile, and push rod passes through company
Bar assembly drives swinging mounting to rotate around with the hinge joint of rack.
Further, link assembly includes hinged first connecting rod and second connecting rod, the other end of first connecting rod
It is articulated with swinging mounting component, the other end of second connecting rod is articulated with swinging mounting component.
Further, swinging mounting component includes first support and second support disposed in parallel, one end hinge of first support
It is connected to rack, other end is articulated with wheel assembly, and one end of second support is articulated with rack, and other end is articulated with wheel subgroup
Part.
Further, push rod is the carbon fiber bar that both ends are respectively equipped with bulb, and bulb is fixed for bolt.
Further, second connecting rod is damping gas spring.
Further, screw rod driving device includes lead screw motor, idle pulley and synchronous belt, and idle pulley is socketed in Bidirectional-screw
Portion, idle pulley are fixed in Bidirectional-screw, and synchronous belt is socketed on the output end of lead screw motor and idle pulley and transmits power, the two sides of idle pulley
Respectively there is a feed screw nut.
Further, rack, which is equipped with, is parallel to the apparatus for suspension of Bidirectional-screw, is slidably connected on apparatus for suspension there are two coaster, and two
Coaster and two feed screw nuts correspond, and feed screw nut is fixed in corresponding coaster.
Further, rack is set there are two screw mandrel support seat, and two screw mandrel support seats are located at the both ends of Bidirectional-screw, sliding
Vehicle frame is equipped with midfoot support seat, and Bidirectional-screw passes through midfoot support seat, and midfoot support seat is used to support Bidirectional-screw, two screw rods
Support base and midfoot support seat are respectively equipped with rolling bearing.
Further, wheel assembly includes wheel fixed frame, wheel and wheel sub-motor, and wheel and wheel sub-motor are mounted on
Wheel fixed frame, the rotation of wheel motor driven wheel, wheel fixed frame and swinging mounting member hinges.
Generally speaking, the utility model has the advantages that
A kind of wheel group lifting structure based on Bidirectional-screw, the present apparatus drive Bidirectional-screw by a screw rod driving device
Rotation is reached while being driven positioned at rack two by the contrary movement of the progress of two feed screw nuts on Bidirectional-screw
The swinging mounting component movement of side realizes that two sides wheel is lifted simultaneously or the purpose of decline, structure are simplified, saves space, at
This is lower, and underloading robot is suitble to use.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the wheel group lifting structure based on Bidirectional-screw of the utility model.
Fig. 2 is the utility model a kind of wheel assembly, the swinging mounting component of the wheel group lifting structure based on Bidirectional-screw
And link assembly wheel assembly decline when working state structure schematic diagram.
Fig. 3 is the utility model a kind of wheel assembly, the swinging mounting component of the wheel group lifting structure based on Bidirectional-screw
And link assembly wheel assembly lifting when working state structure schematic diagram.
Wherein Fig. 1 includes into Fig. 3:
1 --- output end, 2 --- synchronous belt, 3 --- midfoot support seat, 4 --- first connecting rod, 5 --- bulb, 6 ---
Damping gas spring, 7 --- push rod, 8 --- first support, 9 --- second support, 10 --- rack, 11 --- Bidirectional-screw,
12 --- lead screw motor, 13 --- apparatus for suspension, 14 --- screw mandrel support seat, 15 --- wheel, 16 --- wheel sub-motor, 17 ---
Wheel fixed frame, 18 --- coaster, 19 --- idle pulley, 20 --- the first feed screw nut, 21 --- the second feed screw nut.
Specific embodiment
It is next below that the utility model is described in more detail.
As shown in Figures 1 to 3, a kind of wheel group lifting structure based on Bidirectional-screw, including rack 10, are installed on rack 10
Bidirectional-screw 11, screw rod driving device and two swinging mountings, screw rod driving device drive Bidirectional-screw 11 to rotate, two-way silk
Bar 11 is equipped with the first feed screw nut 20 and the second feed screw nut 21, when Bidirectional-screw 11 rotates, the first feed screw nut 20 and the
The direction of motion of two feed screw nuts 21 on Bidirectional-screw 11 is on the contrary, two swinging mounting components are relatively arranged on rack 10 respectively
Two sides, wheel assembly is respectively articulated on each swinging mounting component, swinging mounting component and feed screw nut correspond, pendulum
One end of dynamic bracket component is articulated with rack 10, and feed screw nut drives swinging mounting component to rotate around with the hinge joint of rack 10.
The present apparatus is suitable for all types of robot lifting chassis, such as can apply on the lifting chassis with crawler belt, and utilization is two-way
The characteristic of screw rod 11 produces two sections of different screw threads of rotation direction, i.e. one section of right-handed thread, one section of left-handed spiral shell on a screw rod
Line, two sections connect with the first feed screw nut 20 and the second feed screw nut 21 respectively, and when Bidirectional-screw 11 moves, feed screw nut is driven
Movable pendulum is moved bracket component and is rotated around hinge joint, realizes the lifting of wheel assembly, the delicate structure, saves space and cost is relatively low,
High reliablity.
Push rod 7 and link assembly are respectively equipped between each pair of feed screw nut and swinging mounting component, 7 one end of push rod is hinged
In feed screw nut, the other end of push rod 7 is articulated with link assembly, and feed screw nut's driving push rod 7 is mobile, and push rod 7 passes through connecting rod
Component driver swinging mounting is rotated around with the hinge joint of rack 10.It is driven using push rod 7, by the first feed screw nut 20 and second
The movement of stem nut 21 is delivered separately to corresponding swinging mounting component.Structure is simplified, rationally distributed.
Link assembly includes hinged first connecting rod 4 and second connecting rod, and the other end of first connecting rod 4 is articulated with
Swinging mounting component, the other end of second connecting rod are articulated with swinging mounting component.Keep topology layout more reasonable.
Swinging mounting component includes first support 8 and second support 9 disposed in parallel, and one end of first support 8 is articulated with
Rack 10, other end are articulated with wheel assembly, and one end of second support 9 is articulated with rack 10, and other end is articulated with wheel
Component.Two supporting structures are more firm, and motion profile is more determining.
Push rod 7 is the carbon fiber bar that both ends are respectively equipped with bulb 5, and bulb 5 is fixed for bolt.Bolt is as articulated shaft.
Bulb 5 and carbon fibre tube are connected using AB glue between them, so that carbon fibre tube is had certain freedom degree with bulb 5.
Second connecting rod is damping gas spring 6.For connecting push rod 7 and swinging mounting component and to vehicle body damping.
Screw rod driving device includes lead screw motor 12, idle pulley 19 and synchronous belt 2, and idle pulley 19 is socketed in Bidirectional-screw 11
Portion, idle pulley 19 are fixed in Bidirectional-screw 11, and synchronous belt 2 is socketed on the output end 1 of lead screw motor 12 and idle pulley 19 and transmits power,
The two sides of idle pulley 19 are respectively the first feed screw nut 20 and the second feed screw nut 21.
Rack 10 is equipped with the apparatus for suspension 13 for being parallel to Bidirectional-screw 11, is slidably connected on apparatus for suspension 13 there are two coaster 18,
Two coasters 18 and the first feed screw nut 20 and the second feed screw nut 21 correspond, the first feed screw nut 20 and the second screw rod spiral shell
Mother 21 is fixed in corresponding coaster 18.Feed screw nut moves with fly block 18, and coaster 18 plays stabilization, one end of push rod 7
It can also be articulated with coaster 18, be easily installed.
Rack 10 is set there are two screw mandrel support seat 14, and two screw mandrel support seats 14 are located at the both ends of Bidirectional-screw 11,
Apparatus for suspension 13 is equipped with midfoot support seat 3, and Bidirectional-screw 11 passes through midfoot support seat 3, and midfoot support seat 3 is used to support Bidirectional-screw
11, two screw mandrel support seats 14 and midfoot support seat 3 are respectively equipped with rolling bearing.Improve 11 stress of Bidirectional-screw, and in it
There is rolling bearing, cooperated with Bidirectional-screw 11, reduces friction when Bidirectional-screw 11 moves.
Wheel assembly includes wheel fixed frame 17, wheel 15 and wheel sub-motor 16, and wheel 15 and wheel sub-motor 16 are pacified
Loaded on wheel fixed frame 17, the rotation of 16 driving wheel 15 of sub-motor, wheel fixed frame 17 and swinging mounting member hinges are taken turns.
Generally speaking, the utility model has the advantages that
A kind of wheel group lifting structure based on Bidirectional-screw, the present apparatus drive Bidirectional-screw by a screw rod driving device
11 rotations, by the contrary movement of the progress of the first feed screw nut 20 on Bidirectional-screw 11 and the second feed screw nut 21,
Reach while driving the swinging mounting component movement positioned at 10 two sides of rack, realizes what two sides wheel 15 was lifted or declined simultaneously
Purpose, structure are simplified, and space is saved, and cost is relatively low, and underloading robot is suitble to use.
The course of work of the specific present apparatus are as follows:
As shown in Fig. 2, schematic diagram is fallen for the utility model wheel assembly, when Bidirectional-screw 11 rotates so that feed screw nut
Respectively to when 11 liang of end motions of Bidirectional-screw, push rod 7 pushes first connecting rod 4 and damping gas spring 6 upwards, first connecting rod 4 and subtracts
Angle between shake gas spring 6 becomes smaller, and first support 8 and second support 9 is driven to rotate down around with 10 hinge joint of rack, realizes
Wheel assembly decline.
As shown in figure 3, schematic diagram is risen for the utility model wheel assembly, when Bidirectional-screw 11 rotates round about,
So that feed screw nut is to when moving in the middle part of Bidirectional-screw 11, push rod 7 pushes first connecting rod 4 and damping gas spring 6 downwards, and first connects
Angle between bar 4 and damping gas spring 6 becomes larger, and first support 8 and second support 9 is driven to turn upwards around with 10 hinge joint of rack
It is dynamic, realize that wheel assembly rises.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of wheel group lifting structure based on Bidirectional-screw, it is characterised in that: including rack, be installed on the two-way silk of rack
Bar, screw rod driving device and two swinging mountings, screw rod driving device drive Bidirectional-screw rotation, and Bidirectional-screw is equipped with two
A feed screw nut, when Bidirectional-screw rotates, the direction of motion of two feed screw nuts on Bidirectional-screw is on the contrary, two swinging mountings
Component is relatively arranged on the two sides of rack respectively, and wheel assembly, swinging mounting group are respectively articulated on each swinging mounting component
Part and feed screw nut correspond, and one end of swinging mounting component is articulated with rack, feed screw nut drive swinging mounting component around
It is rotated with the hinge joint of rack.
2. a kind of wheel group lifting structure based on Bidirectional-screw described in accordance with the claim 1, it is characterised in that: each pair of screw rod spiral shell
Be respectively equipped with push rod and link assembly between female and swinging mounting component, push rod one end is articulated with feed screw nut, push rod it is another
Outer one end is articulated with link assembly, and feed screw nut's driving push rod is mobile, push rod by link assembly driving swinging mounting around with machine
The hinge joint of frame rotates.
3. a kind of wheel group lifting structure based on Bidirectional-screw according to claim 2, it is characterised in that: link assembly packet
Hinged first connecting rod and second connecting rod are included, the other end of first connecting rod is articulated with swinging mounting component, and second connects
The other end of bar is articulated with swinging mounting component.
4. a kind of wheel group lifting structure based on Bidirectional-screw described in accordance with the claim 3, it is characterised in that: swinging mounting group
Part includes first support and second support disposed in parallel, and one end of first support is articulated with rack, and other end is articulated with wheel
Sub-component, one end of second support are articulated with rack, and other end is articulated with wheel assembly.
5. a kind of wheel group lifting structure based on Bidirectional-screw according to claim 2, it is characterised in that: push rod is both ends
It is respectively equipped with the carbon fiber bar of bulb, bulb is fixed for bolt.
6. a kind of wheel group lifting structure based on Bidirectional-screw according to claim 2, it is characterised in that: second connecting rod is
Damping gas spring.
7. a kind of wheel group lifting structure based on Bidirectional-screw described in accordance with the claim 1, it is characterised in that: screw rod driving dress
It sets including lead screw motor, idle pulley and synchronous belt, idle pulley is socketed on the middle part of Bidirectional-screw, and idle pulley is fixed in Bidirectional-screw, synchronous
Band is socketed on the output end of lead screw motor and idle pulley and transmits power, and respectively there are a feed screw nut in the two sides of idle pulley.
8. a kind of wheel group lifting structure based on Bidirectional-screw described in accordance with the claim 1, it is characterised in that: rack is equipped with flat
For row in being slidably connected on the apparatus for suspension of Bidirectional-screw, apparatus for suspension there are two coaster, two coasters and two feed screw nuts one are a pair of
It answers, feed screw nut is fixed in corresponding coaster.
9. a kind of wheel group lifting structure based on Bidirectional-screw according to claim 8, it is characterised in that: rack is equipped with two
A screw mandrel support seat, two screw mandrel support seats are located at the both ends of Bidirectional-screw, and apparatus for suspension is equipped with midfoot support seat, two-way silk
Bar passes through midfoot support seat, and midfoot support seat is used to support Bidirectional-screw, and two screw mandrel support seats and midfoot support seat are distinguished
Equipped with rolling bearing.
10. a kind of wheel group lifting structure based on Bidirectional-screw described in accordance with the claim 1, it is characterised in that: wheel assembly
Including wheel fixed frame, wheel and wheel sub-motor, wheel and wheel sub-motor are mounted on wheel fixed frame, wheel motor driven
Wheel rotation, wheel fixed frame and swinging mounting member hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423021.4U CN208842170U (en) | 2018-08-31 | 2018-08-31 | A kind of wheel group lifting structure based on Bidirectional-screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423021.4U CN208842170U (en) | 2018-08-31 | 2018-08-31 | A kind of wheel group lifting structure based on Bidirectional-screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208842170U true CN208842170U (en) | 2019-05-10 |
Family
ID=66356602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821423021.4U Expired - Fee Related CN208842170U (en) | 2018-08-31 | 2018-08-31 | A kind of wheel group lifting structure based on Bidirectional-screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208842170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050191A (en) * | 2018-08-31 | 2018-12-21 | 华南理工大学 | A kind of wheel group lifting device using Bidirectional-screw |
| CN110915407A (en) * | 2019-12-31 | 2020-03-27 | 无锡华源凯马发动机有限公司 | Grass cutting height adjusting mechanism of mower |
-
2018
- 2018-08-31 CN CN201821423021.4U patent/CN208842170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050191A (en) * | 2018-08-31 | 2018-12-21 | 华南理工大学 | A kind of wheel group lifting device using Bidirectional-screw |
| CN110915407A (en) * | 2019-12-31 | 2020-03-27 | 无锡华源凯马发动机有限公司 | Grass cutting height adjusting mechanism of mower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208842170U (en) | A kind of wheel group lifting structure based on Bidirectional-screw | |
| CN102431040A (en) | Dynamic balance manipulator | |
| CN107243921B (en) | Waist joint for humanoid robot | |
| CN110788886A (en) | Industrial robot vibration damping mount | |
| CN116252327A (en) | Dielectric elastomer driven humanoid hip joint | |
| CN107054502B (en) | Omnidirectional mobile robot chassis with liftable structure | |
| CN109050191A (en) | A kind of wheel group lifting device using Bidirectional-screw | |
| CN117382765A (en) | Multifunctional foot type robot with high stability and working method thereof | |
| CN107651036B (en) | Robot with adjustable chassis | |
| CN109304510A (en) | A kind of new-energy automobile processing cutting equipment with safeguard function | |
| CN201214382Y (en) | Shock-absorbing seat | |
| CN210592220U (en) | Robot with double-bridge suspension | |
| CN113664489A (en) | Automatic overturning and butting device for heavy-load complex structural part | |
| CN202344547U (en) | Dynamic balance robotic arm | |
| CN203314993U (en) | Support device of mainframe of CT (computed tomography) machine | |
| CN207916480U (en) | A kind of wheel shock-damping structure and vehicle | |
| CN214390056U (en) | High-speed star wheel type ball making machine device | |
| CN216685934U (en) | Feeding and discharging mechanism suitable for storage of medicinal raw materials | |
| CN205339439U (en) | Medical treatment bed and assisted and risen device thereof | |
| CN216242039U (en) | Damping spring assembly of electric vehicle | |
| CN113460184B (en) | Separation joint mechanism capable of being used for wheel-leg type vehicle suspension | |
| CN216189081U (en) | High-speed transmission movement device of cylinder type lithium cell cam connecting rod | |
| CN220902809U (en) | Electrode swing arm grinding device of robot welding gun | |
| CN108748269A (en) | A kind of lifting gear of industry mechanical arm | |
| CN217394979U (en) | Bearing platform for robot workstation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20190831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |