CN207019721U - A kind of displacement and speed detector - Google Patents
A kind of displacement and speed detector Download PDFInfo
- Publication number
- CN207019721U CN207019721U CN201720823534.3U CN201720823534U CN207019721U CN 207019721 U CN207019721 U CN 207019721U CN 201720823534 U CN201720823534 U CN 201720823534U CN 207019721 U CN207019721 U CN 207019721U
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- mobile platform
- support
- drive shaft
- speed detector
- displacement
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Abstract
The utility model provides a kind of displacement and speed detector, belongs to field of mechanical technique.It solves the problems, such as that existing detection means accuracy of detection is low.This displacement and speed detector include：Support；Mobile platform, it is arranged on support；Actuator, it is arranged on support, and the drive shaft being connected with mobile platform is provided with actuator, and the drive shaft can drive mobile platform along support synchronizing moving；Detection piece, it is arranged on mobile platform, and the detection piece can be with mobile platform synchronizing moving, and the detection piece can detect displacement and the translational speed of mobile platform.This displacement and speed detector have the advantages of simple in construction, accuracy of detection is high.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of displacement and speed detector.
Background technology
Fork truck refers to be loaded and unloaded for member pallet cargo, the carrying vehicle of stacking and short distance translocation, and its is wide
It is general to be applied to harbour, station, airport, goods yard, factory floor, warehouse, Transfer center and home-delivery center etc., cabin, compartment and
Handling, the transport operation of pallet cargo are carried out in container, is that carrying essential in palletized transport, Container Transport is set
It is standby.In the prior art, the accuracy of detection of the detection means on fork truck for detecting fork truck displacement and speed is low, causes driver
Judgement to fork truck velocity of displacement causes error, collision accident easily occurs, influences the driving safety of fork truck.In summary, it is
Solves to be currently used for the deficiency in fork truck displacement and speed detector structure, it is necessary to design a kind of simple in construction, accuracy of detection
High displacement and speed detector.
Utility model content
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of simple in construction, detection
The high displacement of precision and speed detector.
The purpose of this utility model can be realized by following technical proposal：A kind of displacement and speed detector, including：
Support；
Mobile platform, it is arranged on support；
Actuator, it is arranged on support, and the drive shaft being connected with mobile platform, the drive shaft are provided with actuator
Mobile platform can be driven along support synchronizing moving；
Detection piece, it is arranged on mobile platform, and the detection piece can be with mobile platform synchronizing moving, and the inspection
Displacement and the translational speed of mobile platform can be detected by surveying part.
In a kind of above-mentioned displacement and speed detector, on the driving shaft provided with driving member, the two of the driving member
End is connected with drive shaft and mobile platform respectively, and the drive shaft circumferentially rotates can drive mobile platform along branch by driving member
Frame synchronizing moving.
In a kind of above-mentioned displacement and speed detector, the quantity of the driving member is arranged at least two groups, two groups
Driving member includes rack and pinion, and two racks are parallel and are linearly arranged on support, and two gears are sheathed on drive shaft
Upper and two gears engage with corresponding rack respectively.
In a kind of above-mentioned displacement and speed detector, the actuator also include upper mounting plate, lower installation board with
And motor, the upper end of the drive shaft are connected with motor, the lower end of drive shaft through upper mounting plate and is resisted against on lower installation board,
Two gear is sheathed in drive shaft and two gears are respectively positioned on upper mounting plate and lower installation board between the two.
In a kind of above-mentioned displacement and speed detector, guide is arranged with the driving shaft, the guide
Excircle is resisted against on support, and when support relative drive shaft moves, support can circumferentially rotate with lower moving guide.
In a kind of above-mentioned displacement and speed detector, the guide includes the first guide wheel and the second guide wheel, the
One guide wheel and the second guide wheel are sheathed in drive shaft and the excircle of the first guide wheel and the second guide wheel is resisted against on support.
In a kind of above-mentioned displacement and speed detector, it is be arranged in parallel on the lower surface of upper mounting plate provided with two
Roller, is provided with mounting screw on two rollers, and the upper end of mounting screw through roller and is threadedly connected on installing plate, two
The excircle of roller is resisted against on the madial wall of rack.
In a kind of above-mentioned displacement and speed detector, the detection piece includes controller and is electrically connected with the controller
Encoder, the encoder is arranged on mobile platform, and the encoder can be counted to the gear teeth of gear and count this
Value produces electric signal and is transferred on controller.
In a kind of above-mentioned displacement and speed detector, the detection piece also includes sensor block and proximity switch, institute
State sensor block to be arranged on support, the proximity switch is arranged on mobile platform, when sensor block can produce close proximity to switch
Electric signal is simultaneously transferred on controller so that encoder re-starts counting.
Compared with prior art, the utility model includes support and mobile platform, actuator is provided with support, in movement
Platform is provided with detection piece, when actuator drive mobile platform synchronizing moving, and make detection piece detection mobile platform displacement and
Translational speed, it is simple in construction, it is high to improve accuracy of detection of the present utility model.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
Fig. 3 is the structural representation at another visual angle of the utility model.
In figure, 100, support；110th, gear；120th, rack；130th, upper mounting plate；131st, lower installation board；132nd, motor；
133rd, drive shaft；140th, the first guide wheel；141st, the second guide wheel；150th, roller；151st, mounting screw；160th, directive wheel；
200th, mobile platform；210th, encoder；220th, sensor block；230th, proximity switch.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 to Figure 3, this displacement and speed detector include support 100, on support 100 be provided with actuator,
Mobile platform 200 and detection piece, actuator can drive mobile platform 200 to move linearly, and detection piece can detect mobile put down
The displacement of platform 200 and translational speed.
The utility model is applied in fork truck technical field, and above-mentioned actuator can drive mobile platform 200 to move and realize
Fork truck and the synchronizing moving of mobile platform 200, at the same above-mentioned detection piece can by detect displacement and the speed of mobile platform 200 and
Displacement and the speed of fork truck are learnt, facilitates the use of user, and improves the security that fork truck uses.
Driving member is provided with actuator, the both ends of driving member are connected with actuator and mobile platform 200 respectively, so as to
Above-mentioned actuator, which circumferentially rotates, to drive mobile platform 200 linearly to be moved along support 100 by driving member.
Preferably, the quantity of above-mentioned driving member is at least two groups and two groups of driving members are set in parallel on actuator, driving
Part can be moved by the opposite brackets 100 of collective effect mobile platform 200 of two driving members.
Two driving members are respectively arranged at the upper and lower ends of actuator, and actuator drives counter caused by mobile platform 200 make
It can firmly share to two driving members, so as to ensure that the service life of driving member.
Further, two driving members include rack 120 and gear 110, and two racks 120 are parallel and are linearly arranged at
On support 100, two gears 110 are sheathed on actuator and two gears 110 engage with corresponding rack 120 respectively, actuator
It can be circumferentially rotated with moving gear 110, and because both gear 110 and rack 120 engage, so as to which actuator can drive movement flat
Platform 200 moves linearly along rack 120.
The kind of drive of the present utility model is engaged using gear 110 and rack 120, ensure that transmission essence of the present utility model
Degree, while also improve service life of the present utility model.
Above-mentioned actuator includes motor 132 and drive shaft 133, wherein, drive shaft 133 is vertically arranged and drive shaft 133
Upper end is connected with motor 132, and the lower end of drive shaft 133 passes through two gears 110, and motor 132 can drive two teeth by drive shaft 133
110 synchronous axial systems are taken turns, it is achieved thereby that the synchronism of the rack 120 of two gear 110 transmission, improves transmission essence of the present utility model
Degree.
Preferably, actuator also includes the upper mounting plate 130 and lower installation board 131 be arrangeding in parallel, and motor 132 is arranged at
The top of installing plate 130 and the lower end of drive shaft 133 pass through upper mounting plate 130 and are resisted against on lower installation board 131, ensure that drive
The stationarity that moving axis 133 rotates.
Further, said gear 110 and rack 120 are respectively positioned on upper mounting plate 130 and lower installation board 131 between the two,
The stationarity that drive shaft 133 rotates with moving gear 110 is improved, avoids drive shaft 133 from occurring rocking and influenceing in rotation process
The generation of both the rack 120 of gear 110 transmission accuracy phenomenons.
Guide is also arranged with drive shaft 133, the excircle of guide is resisted against on support 100, when drive shaft 133
During opposite brackets 100 move in a lateral direction, support 100 can circumferentially rotate with lower moving guide around drive shaft 133,
Guide, which is set, ensures that drive shaft 133 and support 100 separate a determining deviation between the two so that both gear 110 and rack 120
Normal work；Meanwhile drive shaft 133 and the sliding friction of support 100 between the two can be changed into rolling friction by guide, be subtracted
The frictional force of drive shaft 133 and support 100 is between the two lacked.
Preferably, above-mentioned guide includes the first guide wheel 140 and the second guide wheel 141, and the first guide wheel 140 and second is led
The lower sections that wheel 141 is respectively arranged at two gears 110, the first guide wheel 140, the second guide wheel 141 both drive shaft 133 between it is equal
Provided with bearing so that the first guide wheel 140 and the second guide wheel 141 can be circumferentially rotated by bearing around drive shaft 133.
On support 100 be provided with respectively with 141 corresponding butting section of the first guide wheel 140 and the second guide wheel, the first guide wheel 140
It is resisted against on corresponding butting section with the excircle of the second guide wheel 141, and butting section is flexible material, is touched so as to reduce
Power is hit, improves service life.
The two parallel and rollers 150 that laterally set are provided with the lower surface of upper mounting plate 130, and in two rollers 150
On be provided with mounting screw 151, roller 150 can circumferentially rotate around mounting screw 151, specifically, mounting screw 151 it is upper
End both passes through roller 150 and is threadedly connected on upper mounting plate 130, and the lower end of mounting screw 151 is resisted against on roller 150.
The excircle of above-mentioned rollers 150 is resisted against on the madial wall of rack 120, and gear 110, rack 120 and rolling
Take turns 150 threes to be in same level, rack 120 is arranged at gear 110 and roller 150 between the two, the setting of roller 150
It ensure that the engagement of both gear 110 and rack 120 remains engagement, avoid occurring the He of gear 110 in the course of the work
Rack 120 disengages and influences the generation of the utility model normal work phenomenon.
Mounting groove is offered on upper mounting plate 130, it is longitudinally-hinged in mounting groove to be provided with directive wheel 160, and lead
It is resisted against to the excircle of wheel 160 in the side wall of rack 120, during rack 120 moves in a lateral direction, rack
120 can drive directive wheel 160 to be circumferentially rotated around jointed shaft.
The setting of above-mentioned rollers 150 limits the displacement of rack 120 in a lateral direction, the setting limitation of directive wheel 160
Displacement of the rack 120 in vertical direction, ensure the installation accuracy of rack 120 by roller 150 and directive wheel 160, avoid
Occur position skew in gear 110 and the course of work of rack 120 and influence the generation of the utility model normal work phenomenon.
Above-mentioned detection piece includes controller and is arranged at the encoder 210 that is electrically connected with the controller, wherein encoder 210
On mobile platform 200 and encoder 210 front end alignment gear 110, encoder 210 can with encoder 210 be starting point and it is relative
The number of teeth that gear 110 is turned over is counted, and the numerical value can be produced corresponding electric signal and be transferred to control by the encoder 210
On device processed.
Preferably, for above-mentioned encoder 210 in counting process, encoder 210 forms electric signal biography in the form of rectangular wave
It is handed on controller, meanwhile, controller can carry out the judgement of the rotation direction of gear 110 according to rectangular wave, so as to learn gear 110
To rotate forward or backwards rotation.
Further, above-mentioned detection piece also includes sensor block 220 and proximity switch 230, wherein, sensor block 220 is arranged at
On support 100, proximity switch 230 is arranged on mobile platform 200 and proximity switch 230 is electrically connected with the controller, worked
Cheng Zhong, when sensor block 220 is close proximity to switching 230, proximity switch 230 can produce corresponding to electric signal and the electric signal is passed
It is handed on controller so that controller control encoder 210 is zeroed out, and is counted again so as to encode, is improved encoder 210
Counting accuracy.
This displacement and the detection method of speed detector, its step are as follows：
1st, motor 132 is circumferentially rotated by drive shaft 133 with moving gear 110, and the relative rack 120 of the energy of gear 110 is in transverse direction
Side moves up so that the transverse shifting of 200 opposite brackets of mobile platform 100；
2nd, encoder 210 records the number of teeth that gear 110 rotates and numerical value generation electric signal is transferred on controller, controls
Device processed can calculate displacement and the translational speed of mobile platform 200 by electric signal；
3rd, electric signal can be produced when sensor block 220 is close proximity to switch 230 and be transferred on controller so that encoder
210 count again；
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (9)
1. a kind of displacement and speed detector, including：
Support；
Mobile platform, it is arranged on support；
Actuator, it is arranged on support, and the drive shaft being connected with mobile platform, the drive shaft energy band are provided with actuator
Mobile platform is moved along support synchronizing moving；
Detection piece, it is arranged on mobile platform, and the detection piece can be with mobile platform synchronizing moving, and the detection piece
Displacement and the translational speed of mobile platform can be detected.
2. a kind of displacement according to claim 1 and speed detector, it is characterised in that be provided with transmission on the driving shaft
Part, the both ends of the driving member are connected with drive shaft and mobile platform respectively, and the drive shaft, which circumferentially rotates, can pass through driving member
Mobile platform is driven along support synchronizing moving.
3. a kind of displacement according to claim 2 and speed detector, it is characterised in that the quantity of the driving member is set
At least two groups are set to, two groups of driving members include rack and pinion, and two racks are parallel and are linearly arranged on support, two teeth
Wheel is sheathed in drive shaft and two gears engage with corresponding rack respectively.
4. a kind of displacement according to claim 3 and speed detector, it is characterised in that the actuator also includes upper
Installing plate, lower installation board and motor, the upper end of the drive shaft are connected with motor, and the lower end of drive shaft passes through upper mounting plate simultaneously
It is resisted against on lower installation board, two gear is sheathed in drive shaft and two gears are respectively positioned on upper mounting plate and lower installation board two
Between person.
5. a kind of displacement according to claim 4 and speed detector, it is characterised in that be arranged with lead on the driving shaft
To part, the excircle of the guide is resisted against on support, and when support relative drive shaft moves, support can band lower moving guide week
To rotation.
6. a kind of displacement according to claim 5 and speed detector, it is characterised in that the guide includes first
Guide wheel and the second guide wheel, the first guide wheel and the second guide wheel are sheathed in drive shaft and the excircle of the first guide wheel and the second guide wheel
It is resisted against on support.
7. a kind of displacement according to claim 4 and speed detector, it is characterised in that in the lower surface of upper mounting plate
Two rollers be arrangeding in parallel are provided with, mounting screw is provided with two rollers, the upper end of mounting screw passes through roller and spiral shell
Line is connected on installing plate, and the excircle of two rollers is resisted against on the madial wall of rack.
8. a kind of displacement according to claim 3 and speed detector, it is characterised in that the detection piece includes control
Device and the encoder being electrically connected with the controller, the encoder are arranged on mobile platform, and the encoder can be to the wheel of gear
Tooth is counted and numerical value generation electric signal is transferred on controller.
9. a kind of displacement according to claim 8 and speed detector, it is characterised in that the detection piece also includes sense
Block and proximity switch are answered, the sensor block is arranged on support, and the proximity switch is arranged on mobile platform, when sensor block leans on
Nearly proximity switch can produce electric signal and be transferred on controller so that encoder re-starts counting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720823534.3U CN207019721U (en) | 2017-07-07 | 2017-07-07 | A kind of displacement and speed detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720823534.3U CN207019721U (en) | 2017-07-07 | 2017-07-07 | A kind of displacement and speed detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019721U true CN207019721U (en) | 2018-02-16 |
Family
ID=61484157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720823534.3U Active CN207019721U (en) | 2017-07-07 | 2017-07-07 | A kind of displacement and speed detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144308A (en) * | 2017-07-07 | 2017-09-08 | 宁波如意股份有限公司 | A kind of displacement and speed detector and its detection method |
-
2017
- 2017-07-07 CN CN201720823534.3U patent/CN207019721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144308A (en) * | 2017-07-07 | 2017-09-08 | 宁波如意股份有限公司 | A kind of displacement and speed detector and its detection method |
| CN107144308B (en) * | 2017-07-07 | 2024-02-13 | 宁波如意股份有限公司 | Displacement and speed detection device and detection method thereof |
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