CN205506699U - Car is detected on pulse generator and tunnel surface - Google Patents
Car is detected on pulse generator and tunnel surface Download PDFInfo
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- CN205506699U CN205506699U CN201620087644.3U CN201620087644U CN205506699U CN 205506699 U CN205506699 U CN 205506699U CN 201620087644 U CN201620087644 U CN 201620087644U CN 205506699 U CN205506699 U CN 205506699U
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- supporting roller
- generating unit
- pulse generating
- crank
- encoder
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- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model relates to a car is detected on pulse generator and tunnel surface. The utility model provides a pulse generator, include: follow -up pulley, encoder, the encoder pass through the shaft coupling with the follow -up pulley is connected, works as the follow -up pulley is rotatory, the encoder with the follow -up pulley is synchronous to rotate with the basis the angle of follow -up pulley changes formation pulse signal. The utility model also discloses a car is detected on tunnel surface including above -mentioned pulse generator.
Description
Technical field
This utility model relates to high-precision pulse generation technique, be specifically related to a kind of pulse generating unit with
And tunnel surface detection car.
Background technology
In linear array images acquisition system, the device for line synchro array camera picking rate is generally selected
Encoder.For high speed and high-precision image acquisition, it is desirable to encoder has the highest resolution
Can be only achieved the requirement of image acquisition.
As a example by tunnel surface detects, the image of tunnel surface is obtained by line-scan digital camera, encoder
Be arranged on along tunnel bearing of trend move detection car rotating shaft on.When detection, garage is walked, encoder root
Sending pulse signal according to the travel distance of detection car, control line array camera shoots.
For tunnel surface detects, in order to realize the location to tunnel surface defect and identification, often
Needing high-precision shooting, this just requires that encoder has the highest resolution, but, high-resolution
Encoder cost of a relatively high, and the direct-reading resolution of encoder is not accomplished the highest.
Utility model content
The purpose of this utility model is to provide a kind of pulse generating unit, this dfisplacement pulse generating means
Under certain encoder resolution, it is easily achieved required high accuracy photographing request.This device
Feature be to have a style of one's own, easy for installation, be independent of mobile object structural parameters (as wheel,
The diameter of drive) required high-precision dfisplacement pulse can be produced, meanwhile, structure design is avoided
The stress of encoder axle, makes the encoder be greatly prolonged service life.Another object of the present utility model
It is to provide the tunnel surface detection car including above-mentioned pulse generating unit.
This utility model provides a kind of pulse generating unit, including: supporting roller；Encoder, described
Encoder is connected with described supporting roller by shaft coupling, when described supporting roller rotates, described encoder and
Described supporting roller synchronous axial system changes generation pulse signal with the angle according to described supporting roller.
Utilize this dfisplacement pulse generating means, by the synchronous axial system of encoder Yu supporting roller, can be one
Under fixed encoder resolution, produce high-precision pulse, it is achieved required high accuracy photographing request.
Preferably, also including sleeve and the crank with described sleeve connection, described sleeve set is described
On the axle of supporting roller, described supporting roller can rotate with described crank relative to described sleeve.
Preferably, also include mounting bracket, described mounting bracket is formed jointed shaft, described crank
It is hinged on described jointed shaft and can swing around described jointed shaft.
Preferably, on described crank, connection has spring, described spring to pull described crank around described hinged
Axle swings.
Preferably, described supporting roller is rubber wheel.
Present invention also offers a kind of tunnel surface detection car, including wheel and pulse generating unit, institute
State pulse generating unit to be arranged on tunnel surface detection car body by described mounting bracket, described spring
One end be articulated in described tunnel surface detection car body on, the other end pull described crank so that described with
Driving wheel compresses with wheel.
Accompanying drawing explanation
The feature of this utility model exemplary embodiment, advantage and technology are described below with reference to the accompanying drawings
Effect.In the accompanying drawings, the element that identical symbology is identical, wherein:
Fig. 1 is to illustrate to detect car and one of pulse generating unit according to tunnel surface of the present utility model
The scheme of installation of embodiment.
Fig. 2 is the sectional view illustrating an embodiment according to pulse generating unit of the present utility model.
Fig. 3 is the axonometric chart illustrating an embodiment according to pulse generating unit of the present utility model.
Detailed description of the invention
Hereinafter, embodiment of the present utility model is described with reference to the accompanying drawings.Following detailed description and drawings
For principle of the present utility model is exemplarily described, this utility model is not limited to described preferred reality
Executing example, scope of the present utility model is defined by the claims.
This utility model provides a kind of pulse generating unit 100 and includes pulse generating unit 100
Tunnel surface detection car 200.Fig. 1 is to illustrate according to tunnel surface of the present utility model detection car and arteries and veins
Rush the scheme of installation of an embodiment of generating means.
As it is shown in figure 1, pulse generating unit 100 includes supporting roller 10, pass through example with supporting roller 10
The encoder 20 connected such as flexible clutch.When supporting roller 10 rotates, encoder 20 and supporting roller
10 synchronous axial system change generation pulse signal with the angle according to supporting roller 10.When utilizing this tunnel table
Face detection car 200 is when detecting tunnel surface, the supporting roller 10 in pulse generating unit 100 with
The wheel 201 of tunnel surface detection car 200 is meshed and drives supporting roller 10 to rotate.Wherein, connect
The shaft coupling of supporting roller 10 and encoder 20 can also is that the shaft coupling of other forms without backlass
Device.
Utilize above-mentioned pulse generating unit 100, can be under the resolution of certain encoder, it is thus achieved that institute
The high-precision pulse signal needed.Specifically, the resolution of encoder 20 is P, presets supporting roller every
When turning over the arc length Δ S of regulation, encoder sends a pulse, be calculated supporting roller diameter D=p ×
△S÷π.To nibble by the wheel 201 of the supporting roller 10 of above-mentioned condition setting with tunnel surface detection car
Closing, encoder 20 can often turn over the arc length Δ S of regulation according to default supporting roller 10 and send one
Pulse, thus the high accuracy shooting required for realizing.
In above-described embodiment, the parts being meshed with supporting roller 10 are not limited only to tunnel surface detection car
On wheel 201, for example, it may be motion conveyer belt.Furthermore it is also possible to be ground.
Fig. 2 is the sectional view illustrating an embodiment according to pulse generating unit of the present utility model.
As in figure 2 it is shown, pulse generating unit 100 also includes sleeve 40 and the crank being connected on sleeve 40
50, supporting roller 10 can relative sleeve 40 and crank 50 rotate.Specifically, the axle 11 of supporting roller 10
On be set with sleeve 40, crank 50 is fixedly connected on sleeve 40, supporting roller 10 and sleeve 40 it
Between bearing is installed, rotate realizing supporting roller 10 relative sleeve 40 and crank 50.
According to an embodiment, pulse generating unit 100 can be arranged on tunnel surface by crank 50
On detection car 200.During installation, the crank 50 installation site on tunnel surface detection car 200 can root
Determine according to the centre-to-centre spacing of wheel 201 and supporting roller 10, by this centre-to-centre spacing, crank 50 is fixed on tunnel
Supporting roller 10 is made to keep contacting and compressing with wheel 201 on road Surface testing car body.
According to preferred embodiment of the present utility model, as it is shown on figure 3, Fig. 3 is to illustrate according to this practicality
The axonometric chart of one embodiment of novel pulse generating unit.Pulse generating unit 100 includes installing
Support 60, crank 50 is hinged in mounting bracket 60 and relatively can detect vehicle body swing by tunnel surface.
Specifically, mounting bracket 60 being formed with jointed shaft 61 and fixing hole 62, fixing hole 62 is for real
Existing mounting bracket 60 and tunnel surface detect the connection of car body, and jointed shaft 61 is for cutting with scissors with crank 50
Connect.After mounting bracket 60 is fixedly mounted on tunnel surface detection car 200, jointed shaft 61 inserts
In the installing hole 51 of crank 50, realize the crank 50 swing around jointed shaft 61 with this.It is arranged such
After, supporting roller 10 can by the swing of crank 50 make pulse generating unit 100 adapt to wheel,
The change of the distance of face and conveyer belt.In particular, when pulse generating unit 100 is with uneven
During the engagement of face, the swing of crank 50 may be used for the rigidity punching relaxed when supporting roller 10 contacts with ground
Hit.
The pulse generating unit 100 that the present invention provides, the thrust between supporting roller 10 and wheel 201
It is be delivered on supporting roller 10 by crank 50, sleeve 40 and servo-actuated wheel shaft, it is to avoid generally pass through
Encoder axle transmission pressure causes the flimsy situation of encoder, extends the use longevity of encoder 20
Life.
Further, as it is shown on figure 3, one end of crank 50 is additionally provided with spring 30, spring 30 can
Pull crank 50 so that between supporting roller 10 wheel 201, keep suitable engagement force.
Additionally, keep supporting roller 10 to also have other embodiments, example with the scheme engaged of wheel 201
As, supporting roller 10 can be arranged on the top of wheel 201, utilize the deadweight of supporting roller 10 to keep nibbling
Close.
This utility model provide pulse generating unit 100, supporting roller 10 preferred rubber take turns, rubber with
The coefficient of friction of metallic wheel is relatively big, and rubber wheel can reduce noise, plays the effect of buffering shock-absorbing.When
So, supporting roller 10 can also be other materials relatively large with wheel coefficient of friction such as plastics.
Although describe this utility model by reference to exemplary embodiment, however, it is understood that this practicality
The novel structure being not limited to above-described embodiment.On the contrary, this utility model is intended to cover various modification
And equivalent arrangements.Although it addition, showing disclosed practicality in various exemplary combination bodies and structure
Novel various elements, but include that other combination of more, less element also falls new in this practicality
Within the scope of type.
Claims (6)
1. a pulse generating unit, including:
Supporting roller；
Encoder, described encoder is connected with described supporting roller, when described supporting roller revolves by shaft coupling
Turning, described encoder changes generation with described supporting roller synchronous axial system with the angle according to described supporting roller
Pulse signal.
Pulse generating unit the most according to claim 1, the most also include sleeve and with described set
The crank that cylinder connects, described sleeve set is on the axle of described supporting roller, and described supporting roller can be relative
Described sleeve rotates with described crank.
Pulse generating unit the most according to claim 2, the most also includes mounting bracket, described
Being formed with jointed shaft in mounting bracket, described crank is hinged on described jointed shaft and can be around described hinge
Spindle swings.
Pulse generating unit the most according to claim 3, wherein said crank connects and has bullet
Spring, described spring pulls described crank to swing around described jointed shaft.
5. according to the pulse generating unit according to any one of claim 1-4, wherein said supporting roller
For rubber wheel.
6. a tunnel surface detection car, including: wheel, and
Pulse generating unit described in claim 4, described pulse generating unit is pacified by described mounting bracket
Being contained on tunnel surface detection car body, one end of described spring is articulated in described tunnel surface detection car body
On, the other end pulls described crank so that described supporting roller compresses with wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087644.3U CN205506699U (en) | 2016-01-28 | 2016-01-28 | Car is detected on pulse generator and tunnel surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087644.3U CN205506699U (en) | 2016-01-28 | 2016-01-28 | Car is detected on pulse generator and tunnel surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205506699U true CN205506699U (en) | 2016-08-24 |
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ID=56723348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087644.3U Active CN205506699U (en) | 2016-01-28 | 2016-01-28 | Car is detected on pulse generator and tunnel surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205506699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588842A (en) * | 2016-01-28 | 2016-05-18 | 北京金久瑞科技有限公司 | Pulse generation device and tunnel surface detection vehicle |
-
2016
- 2016-01-28 CN CN201620087644.3U patent/CN205506699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588842A (en) * | 2016-01-28 | 2016-05-18 | 北京金久瑞科技有限公司 | Pulse generation device and tunnel surface detection vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Patentee after: Beijing Jiu Rui Technology Co. Ltd. Patentee after: Beijing University of Technology Address before: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Patentee before: BEIJING JINJIURUI TECHNOLOGY CO., LTD. Patentee before: Beijing University of Technology |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Patentee after: Beijing Jiu Rui Technology Co. Ltd. Patentee after: Beijing Polytechnic College Address before: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Patentee before: BEIJING JINJIURUI TECHNOLOGY CO., LTD. Patentee before: Beijing Polytechnic College |