CN204757843U - Off protractor of carbon -free trolley - Google Patents
Off protractor of carbon -free trolley Download PDFInfo
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- CN204757843U CN204757843U CN201520477169.6U CN201520477169U CN204757843U CN 204757843 U CN204757843 U CN 204757843U CN 201520477169 U CN201520477169 U CN 201520477169U CN 204757843 U CN204757843 U CN 204757843U
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Abstract
The utility model discloses an off protractor of carbon -free trolley, including angulation main scale, L type scale, angle pointer, closure piece, this angulation main scale is the range deflection fan, is equipped with the angular surveying scale on its sector, and the zero graduation of this angulation main scale extends towards the cambered surface on one side straight to the fretwork forms a spout, and this spout edge is equipped with the length scale, one end swing joint in the angulation starting point department of this angulation main scale of this angle pointer, its another end pressure is on the angular surveying scale of angulation main scale to outwards extend straight, this L type scale includes a long limit and a minor face, and the long limit of this L type scale is equipped with the length scale, and the minor face of this L type scale is through the spout swing joint of this closure piece with this angulation main scale. Through the simple and easy convenient accurate measurement that carries out the off department position of dolly and angle of scale and protractor isotructure, avoid the risk that score that the range estimation error leads to descends.
Description
Technical field
The utility model relates to the off protractor of a kind of carbon-free trolley.
Background technology
4th national college students' engineering training integration capability contest theme is " carbon-free trolley obstacle race ", and dolly need complete match around getting over different spacing barrier, is its most important training target around obstacle-overpass thing number.For same dolly, its position in the start of a race of starting line place and angle determine dolly to a great extent around obstacle-overpass number.At present, there is no as dolly makes precise positioning and directed device, student need draw most suitable position and angle by estimating continuous trial and error, and this exists very large error, thus reduces the games results of student.
Utility model content
The utility model is for the deficiencies in the prior art, there is provided a kind of for the device of carbon-free trolley at the position of the starting line place start of a race and the Measurement accuracy of angle, carry out by simple structures such as rule of the present utility model and protractors the Measurement accuracy that position and angle are located in the dolly start of a race easily, effectively avoid the risk estimating the teaching that error causes.
The utility model solves this technical problem adopted technical scheme: the off protractor of a kind of carbon-free trolley, comprises angulation main scale, L-type rule, angle indicator, locking block and master and slave dowel; This angulation main scale is range deflection fan, and its sector is provided with measurement of angle scale, and the zero graduation of this angulation main scale extends straight towards cambered surface, and hollow out forms a chute, and this chute limit is provided with length scale; One end of this angle indicator is movably connected on the angulation starting point place of this angulation main scale by master and slave dowel, its other end is pressed on the measurement of angle scale of angulation main scale, and outwards extends straight; This L-type rule comprises long limit and a minor face, the long limit of this L-type rule is provided with length scale, the minor face of this L-type rule is flexibly connected with the chute of this angulation main scale by this locking block, makes the long limit of this L-type rule mutually vertical with the chute of this angulation main scale.
Particularly, the position hollow out of this corresponding with the measurement of angle scale of this angulation main scale angle indicator.
Compared with prior art, there is following good effect: 1) the utility model carries out the Measurement accuracy of dolly start of a race position, place and angle easily by the simple structure such as rule and protractor, evades the risk of the teaching that range estimation error causes; 2) structure is simple, designs ingenious, cheap, is easy to carry; 3) can be applicable to other places to operate schools simultaneously.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural representation of the present utility model (angle indicator expansion)
Fig. 3 is front view of the present utility model.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the off protractor of carbon-free trolley of the present utility model, comprises angulation main scale 1, L-type rule 2, angle indicator 3, locking block 4 and master and slave dowel 5.
Described angulation main scale 1 is covering of the fan chi, and its sector is provided with measurement of angle scale, and measurement range is 0 °-90 °, for measuring the off angle of dolly.The zero graduation of angulation main scale 1 is while extend straight towards cambered surface, and hollow out forms a chute 102, and chute 102 limit is provided with length scale, for measuring dolly first post position.
One end of angle indicator 3 is movably connected on the angulation starting point place of angulation main scale 1 by master and slave dowel 5, its other end is pressed on the measurement of angle scale of angulation main scale 1, and outwards extends straight.The position hollow out of the angle indicator 3 corresponding with the measurement of angle scale of angulation main scale 1, to show the numerical value of the measurement of angle scale of angulation main scale 1.
L-type rule 2 comprises long limit and a minor face, and the long limit of L-type rule 2 is provided with length scale.The minor face of L-type rule 2 is flexibly connected with the chute 102 of angulation main scale 1 by locking block 4, makes the long limit of L-type rule 2 mutually vertical with the chute 102 of angulation main scale 1.L-type rule 2, for being adjacent to little back wheels of vehicle, can measure vehicle-width size and the second post position; Locking block 4 is for fastening angulation main scale 1 and L-type rule 2, and the two tightness adjustable.
Align with off horizontal line in angle indicator 3 side, now little back wheels of vehicle is adjacent to L-type rule 2, its position along L-type rule 2 direction can accurately be located, rule 2 on the chute 102 of simultaneously angulation main scale 1 can measure this dolly position, direction, on two dimensional surface, little truck position can accurately be located; Simultaneously, because the chute 102 of angulation main scale 1 and 0 ° of scale prescription of angulation main scale 1 bevel protractor are to parallel, and dolly direction is perpendicular to L-type rule 2, dolly direction and horizontal starting line angle equal angle measured by angulation main scale 1 bevel protractor, and dolly direction and horizontal starting line angle are 45 °.
Compared with prior art, the utility model carries out the Measurement accuracy of dolly start of a race position, place and angle easily by the simple structure such as rule and protractor, evades the risk of the teaching that range estimation error causes.And structure is simple, designs ingenious, cheap, is easy to carry.Meanwhile, can be applicable to other places to operate schools.
The utility model is not limited to above-mentioned embodiment, if do not depart from spirit and scope of the present utility model to various change of the present utility model or modification, if these are changed and modification belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these change and modification.
Claims (2)
1. the off protractor of carbon-free trolley, is characterized in that: comprise angulation main scale, L-type rule, angle indicator, locking block and master and slave dowel; This angulation main scale is range deflection fan, and its sector is provided with measurement of angle scale, and the zero graduation of this angulation main scale extends straight towards cambered surface, and hollow out forms a chute, and this chute limit is provided with length scale; One end of this angle indicator is movably connected on the angulation starting point place of this angulation main scale by master and slave dowel, its other end is pressed on the measurement of angle scale of angulation main scale, and outwards extends straight; This L-type rule comprises long limit and a minor face, the long limit of this L-type rule is provided with length scale, the minor face of this L-type rule is flexibly connected with the chute of this angulation main scale by this locking block, makes the long limit of this L-type rule mutually vertical with the chute of this angulation main scale.
2. the off protractor of carbon-free trolley as claimed in claim 1, is characterized in that: the position hollow out of this angle indicator corresponding with the measurement of angle scale of this angulation main scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477169.6U CN204757843U (en) | 2015-07-02 | 2015-07-02 | Off protractor of carbon -free trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477169.6U CN204757843U (en) | 2015-07-02 | 2015-07-02 | Off protractor of carbon -free trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757843U true CN204757843U (en) | 2015-11-11 |
Family
ID=54472544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520477169.6U Active CN204757843U (en) | 2015-07-02 | 2015-07-02 | Off protractor of carbon -free trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757843U (en) |
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2015
- 2015-07-02 CN CN201520477169.6U patent/CN204757843U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |