CN108091241A - A kind of transmission buffer unit - Google Patents
A kind of transmission buffer unit Download PDFInfo
- Publication number
- CN108091241A CN108091241A CN201711393414.5A CN201711393414A CN108091241A CN 108091241 A CN108091241 A CN 108091241A CN 201711393414 A CN201711393414 A CN 201711393414A CN 108091241 A CN108091241 A CN 108091241A
- Authority
- CN
- China
- Prior art keywords
- rack
- motor
- buffer unit
- track groove
- transmission buffer
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of transmission buffer unit, including：The symmetrical linkage mechanism of rack-and-pinion, the symmetrical linkage mechanism of rack-and-pinion has driving gear, driven gear, upper rack, lower rack and track groove, the upper and lower rack is parallel opposite to each other to be fixedly connected, two rack both sides are fixedly connected with separation prevention bar, the lower rack of driving gear engagement, driven gear engages upper rack, and the track groove end face is in cross, and two rack is slidably mounted in orbiting vane slot.The present invention is rotated by the data command intelligent control driven gear of host computer, structure novel, easy to operate, good demonstration effect, meets prolonged Xun Huan demonstration；Structure novel, be between rack and track groove it is soft contact, relative motion between the two, mutually will not abrasion, in the process of running, rack stable and smooth operation.
Description
Technical field
The present invention relates to a kind of devices used in science and education experiment and recreation.It is more particularly related to
A kind of transmission buffer unit for science and education experiment.
Background technology
Gear drive is one of principal mode in machine driving, and since it has, ratio coverage is big, power bracket is wide, knot
The advantages that structure is compact reliable is widely used in various mechanical equipments and instrument and meter, becomes shared in existing machinery product
A kind of transmission of proportion maximum, has broad application prospects.
Existing rack-and-pinion linkage mechanism specifically, is generally included with lower structure：Driven gear, rack and track
Slot, the adaptation engagement of driven tooth wheel and rack, the rack are slidably mounted in track groove, electric machine main shaft drive connection driven gear
Shaft.Motor rotation drives driven gear to rotate, and the rack engaged with driven gear moves under the drive of gear in track groove
It is dynamic.
The straight line slide unit for science and education experiment has the disadvantage that in the prior art：First, data command intelligence cannot be passed through
Driven gear is controlled to rotate, it is inconvenient for operation；2nd, structure fluctuation of service is hard contact between rack and track groove, the two
Between relative motion, mutual abrasion, in the process of running, rack can generate stagnation.
How to design a transmission buffer unit, structure novel, be between rack and track groove it is soft contact, the two it
Between relative motion, mutually will not abrasion, in the process of running, rack stable and smooth operation controls driven tooth by data command
Wheel rotates, and automatic demonstrating rack-and-pinion linkage apparatus for demonstrating transmission process, structural stability is high, and service life is long, this is to be badly in need of
It solves the problems, such as.
The content of the invention
The defects of present invention is in order to overcome the prior art discloses a kind of transmission buffer unit.
It is an object of the present invention to design a kind of transmission buffer unit, structure novel, between rack and track groove
For soft contact, relative motion between the two, mutually will not abrasion, in the process of running, rack stable and smooth operation passes through data
Instruction control driven gear rotates, and automatic demonstrating rack-and-pinion linkage apparatus for demonstrating transmission process, structural stability is high, uses the longevity
Life length.
In order to realize these purposes and further advantage according to the present invention, a kind of transmission buffer unit is provided, including：
The symmetrical linkage mechanism of rack-and-pinion, it is described with driving gear, driven gear, upper rack, lower rack and track groove
Upper and lower rack is parallel opposite to each other to be fixedly connected, and two rack both sides are fixedly connected with separation prevention bar, and the driving gear engages lower rack, from
Moving gear engages upper rack, and the track groove end face is in cross, and two rack is slidably mounted in orbiting vane slot；
Motor is used for as driven gear powered rotation, shaft and the electric machine main shaft linkage of the driving gear；
Host computer is used to generate motor power break-make and converts the control instruction of current direction in motor；
PLC is used to receive host computer motor power break-make and converts the control instruction of current direction in motor, and makes corresponding
Action, control motor power break-make and conversion motor in current direction；
Power supply provides electric energy for above-mentioned each electric elements；
Wherein, the separation prevention bar is all connected with several elastic components up and down, and hoodle is fixed on elastic component.
Preferably, the track groove is made of four strips that are isometric and being mutually parallel, and four root long one end are fixed.
Preferably, described elastic component one end is vertically fixed in separation prevention bar, the fixed hoodle of other end connection.
Preferably, four root long items of the track groove are between each other apart from equal, and the distance between strip is more than tooth
The thickness of item or separation prevention bar.
Preferably, four root long end faces of the track groove are positive shape.
Preferably, the motor is decelerating motor.
Preferably, the elastic component is spring.
The present invention includes at least following advantageous effect：Since host computer generates electric current in motor power break-make and conversion motor
The control instruction in direction, PLC receives host computer motor power break-make and converts the control instruction of current direction in motor, and makes
Current direction in corresponding action, control motor power break-make and conversion motor, therefore the data command intelligence for passing through host computer
Driven gear is controlled to rotate, structure novel, easy to operate, good demonstration effect meet prolonged Xun Huan demonstration；Due to separation prevention bar
Be all connected with several elastic components up and down, hoodle, therefore structure novel fixed on elastic component, be between rack and track groove it is soft contact,
Relative motion between the two, mutually will not abrasion, in the process of running, rack stable and smooth operation.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the overall structure diagram that buffer unit is driven in the embodiment of the present invention；
Fig. 2 is the circuit diagram that buffer unit is driven in the embodiment of the present invention；
Fig. 3 is the motor scheme of installation that buffer unit is driven in the embodiment of the present invention；
Fig. 4 is the track groove schematic diagram that buffer unit is driven in the embodiment of the present invention；
Fig. 5 is the two rack position relational graphs that buffer unit is driven in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or its combination.
Fig. 1 to 5 shows a kind of way of realization according to the present invention, including：The symmetrical linkage mechanism 1 of rack-and-pinion,
The symmetrical gear 1 of rack-and-pinion has driving gear 11, driven gear 12, upper rack 13, lower rack 14 and track groove 15, described
Upper and lower rack 13,14 is parallel opposite to each other to be fixedly connected, and two racks 13,14 both sides are fixedly connected with separation prevention bar 2, the driving gear 11
The lower rack 14 of engagement, driven gear 12 engage upper rack 13, and 15 end face of track groove is in cross, two rack 13,14
It is slidably mounted in orbiting vane slot 15, motor 16 is used for as driven gear powered rotation, turn of the driving gear 11
Axis links with 16 main shaft of motor, and host computer is used to generate motor power break-make and converts the control instruction of current direction in motor,
PLC is used to receive host computer motor power break-make and converts the control instruction of current direction in motor, and makes corresponding action,
Current direction in motor power break-make and conversion motor is controlled, wherein, the separation prevention bar is all connected with several elastic components 3, bullet about 2
Hoodle 4 is fixed on property part 3.
The track groove 15 is made of four strips that are isometric and being mutually parallel, and four root long one end are fixed.
Described 3 one end of elastic component is vertically fixed in separation prevention bar 2, the fixed hoodle 4 of other end connection.
Four root long items of the track groove 15 are between each other apart from equal, and the distance between strip is more than rack 13,14
With the thickness of separation prevention bar 2.
Four root long end faces of the track groove 15 are positive shape.
The motor 16 is decelerating motor.
The elastic component 3 is spring.
The PLC of the present invention receives the instruction of host computer, and control electric machine main shaft rotates forward 10-18s, then electric machine main shaft is controlled to invert
10-18s, driven gear with electric machine main shaft also can rotating, driven gear pinion rack movement, realize rack in track groove
It moves back and forth, structure novel, easy to operate, good demonstration effect, meets prolonged Xun Huan demonstration.
As described above, according to the present invention, since host computer generates motor power break-make and converts current direction in motor
Control instruction, PLC receive host computer motor power break-make and convert the control instruction of current direction in motor, and make corresponding
Current direction in action, control motor power break-make and conversion motor, thus by the data command intelligent control of host computer from
Moving gear rotates, structure novel, easy to operate, good demonstration effect, meets prolonged Xun Huan demonstration；Since separation prevention bar is equal up and down
Connect several elastic components, hoodle, therefore structure novel fixed on elastic component, be between rack and track groove it is soft contact, the two it
Between relative motion, mutually will not abrasion, in the process of running, rack stable and smooth operation.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With.It can be applied to various suitable the field of the invention completely.It, can be easily for those skilled in the art
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (7)
1. a kind of transmission buffer unit, which is characterized in that including：
The symmetrical linkage mechanism of rack-and-pinion, it is described with driving gear, driven gear, upper rack, lower rack and track groove
Upper and lower rack is parallel opposite to each other to be fixedly connected, and two rack both sides are fixedly connected with separation prevention bar, and the driving gear engages lower rack, from
Moving gear engages upper rack, and the track groove end face is in cross, and two rack is slidably mounted in orbiting vane slot；
Motor is used for as driven gear powered rotation, shaft and the electric machine main shaft linkage of the driving gear；
Host computer is used to generate motor power break-make and converts the control instruction of current direction in motor；
PLC is used to receive host computer motor power break-make and converts the control instruction of current direction in motor, and makes corresponding
Action, control motor power break-make and conversion motor in current direction；
Power supply provides electric energy for above-mentioned each electric elements；
Wherein, the separation prevention bar is all connected with several elastic components up and down, and hoodle is fixed on elastic component.
2. transmission buffer unit as described in claim 1, which is characterized in that the track groove is isometric and be mutually parallel by four
Strip form, four root long one end are fixed.
3. transmission buffer unit as claimed in claim 2, which is characterized in that described elastic component one end is vertically fixed on separation prevention bar
On, the fixed hoodle of other end connection.
4. as claimed in claim 2 transmission buffer unit, which is characterized in that four root long items of the track groove between each other away from
From equal, and the distance between strip is more than rack or the thickness of separation prevention bar.
5. transmission buffer unit as claimed in claim 4, which is characterized in that four root long end faces of the track groove are just
Face shape.
6. transmission buffer unit as described in claim 1, which is characterized in that the motor is decelerating motor.
7. transmission buffer unit as described in claim 1, which is characterized in that the elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393414.5A CN108091241A (en) | 2017-12-21 | 2017-12-21 | A kind of transmission buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393414.5A CN108091241A (en) | 2017-12-21 | 2017-12-21 | A kind of transmission buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108091241A true CN108091241A (en) | 2018-05-29 |
Family
ID=62178587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393414.5A Pending CN108091241A (en) | 2017-12-21 | 2017-12-21 | A kind of transmission buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108091241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172199A (en) * | 2018-10-09 | 2019-01-11 | 国家康复辅具研究中心 | A kind of Multi-function bed for recovery nursing |
| CN110379066A (en) * | 2019-08-02 | 2019-10-25 | 深圳怡化电脑股份有限公司 | Transmission component and finance device with the defencive function that crosses the border |
-
2017
- 2017-12-21 CN CN201711393414.5A patent/CN108091241A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172199A (en) * | 2018-10-09 | 2019-01-11 | 国家康复辅具研究中心 | A kind of Multi-function bed for recovery nursing |
| CN109172199B (en) * | 2018-10-09 | 2020-06-19 | 国家康复辅具研究中心 | Multifunctional rehabilitation nursing bed |
| CN110379066A (en) * | 2019-08-02 | 2019-10-25 | 深圳怡化电脑股份有限公司 | Transmission component and finance device with the defencive function that crosses the border |
| CN110379066B (en) * | 2019-08-02 | 2024-05-10 | 深圳怡化电脑股份有限公司 | Transmission assembly with boundary crossing protection function and financial equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |