CN206693018U - A kind of automatic three meters of ruler devices for surveying reading surface evenness - Google Patents
A kind of automatic three meters of ruler devices for surveying reading surface evenness Download PDFInfo
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- CN206693018U CN206693018U CN201720346705.8U CN201720346705U CN206693018U CN 206693018 U CN206693018 U CN 206693018U CN 201720346705 U CN201720346705 U CN 201720346705U CN 206693018 U CN206693018 U CN 206693018U
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Abstract
The utility model discloses a kind of automatic three meters of ruler devices for surveying reading surface evenness, its drip irrigation device is to include ruler body, cavity is provided with the ruler body, some groups of probes vertically slid up and down are provided with the cavity, the displacement plate of the horizontally disposed oriented upper mobile trend in cavity lower end, the same position of some probes is provided with the metal derby for being used for abutting with displacement plate upper end, each group of probe include detection metal derby whether the indicating circuit abutted with displacement plate, chi body is provided with according to the lifting position of displacement plate to measure the measurement of length portion of maximal clearance.Above technical scheme has the maximal clearance position on automatic detection road surface and the function of automatic display measured value, so as to solve the problems, such as that the plenty of time is wasted during measuring.
Description
Technical field
A kind of measuring instrument is the utility model is related to, more particularly to a kind of automatic three meters of rulers dress for surveying reading surface evenness
Put.
Background technology
In the engineering of asphalt pavement construction, often the flatness on road surface, measurement ground warp are detected using three meters of rulers
Seam crossing often is selected in, and measures the maximum gap on road surface.
Such as the Chinese patent that notification number is CN2047361, a kind of reality of entitled " fast measurer with 3-meter ruler " is disclosed
With new patent, the utility model patent is provided with a lateral pin, horizontal stroke by being provided with one section of groove in the lower end of measurement pipe in groove
The both ends of pin are fixed in the block set being sleeved in measurement pipe；Lateral pin in block set connects with the rigid link in measurement pipe
Connect, the other end of rigid link is connected with surveyors' staff, when block set slides up and down along measurement pipe, is driven by lateral pin
Rigid link and surveyors' staff produce a relative movement with measurement pipe.Above technical scheme measures accurate purpose to reach.
Due to this measuring instrument use excessively in without the maximal clearance on automatic detection road surface and automatic aobvious
Show the function of measured value, it is therefore desirable to look for the maximal clearance on road surface, and need repeated measurement to compare, so as to find road surface
Maximal clearance, and it is also quite conceivable to measure be not road surface maximal clearance, increase duplication of labour amount, cause measurement mistake
The substantial amounts of time is wasted in journey.
Utility model content
The purpose of this utility model is to provide a kind of automatic three meters of ruler devices for surveying reading surface evenness, has automatic inspection
The maximal clearance position surveyed on road surface and the function of automatic display measured value, so as to solve measurement during wave
The problem of taking the plenty of time.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of automatic survey reads road surface
Three meters of ruler devices of flatness, including ruler body, the ruler body is interior to be provided with cavity, is vertically provided with the cavity
Some groups of structures are identical can be slid and through the probe of cavity bottom up and down, horizontally disposed up and down in the middle part of cavity
Displacement plate, the top of the probe are provided with the metal derby for being used for abutting with displacement plate upper surface, and the lower surface of displacement plate, which is provided with, drives
Make the first spring that displacement plate moves up, the bottom of cavity is fixed in the lower end of the first spring, and the top of probe, which is provided with, drives
The second spring that probe moves down, second spring are fixed on cavity top, and the elastic force of the first spring is more than the bullet of second spring
Power；
Ruler body be provided with detection metal derby whether the indicating circuit abutted with displacement plate；Ruler body is provided with measurement displacement
The measurement portion for the displacement that plate moves down.
By using above-mentioned technical proposal：Popping one's head in, there is the bottom with the gap on road surface to offset under the driving of the first spring
The effect connect；Displacement plate has the function that to move up and abutted against with the metal derby on probe under the driving of second spring；
Some probes abut against with the gap on road surface, because the gap on road surface is uneven, therefore have one
Or in multiple gaps of the probe in lowest part, now the metal derby on only the one or more probe abuts with sliding bar,
Indicating circuit now is with the function of indicating the one or more detection part, allows user to immediately find maximal clearance
Place；
Measurement portion on chi body has the function that the amount of moving down for measuring displacement plate, because the amount of moving down of displacement plate is equal to
Probe stretches out the length of cavity, that is to say the depth of maximum displacement, therefore user can disposably measure the depth of maximal clearance
Degree avoids wasting the substantial amounts of time during measurement.
Preferably, the indicating circuit includes indicator lamp, power supply, and displacement plate is with being provided with metallic conduction at the abutting for abutting block
Piece, the indicator lamp, power supply, metal derby and conducting strip are connected in series to form closed-loop path.
By using above-mentioned technical proposal：Indicator lamp has the function that instruction；When metal derby and displacement plate abut against, refer to
Show power on circuitry, indicator lamp energization now is lighted, and reaches the purpose of prompting user.
Preferably, the both ends of the cavity are vertically equipped with slippage slot, and the both ends of the displacement plate, which are provided with, to be used for
The sliding block slided up and down in slippage slot.
By using above-mentioned technical proposal：Sliding block abuts against with slippage slot, has the process for preventing that displacement plate from sliding upwards
In the effect that shifts, displacement plate is remained horizontal, improve measurement accuracy.
Preferably, the indicator lamp is arranged at the outside of chi body.
By using above-mentioned technical proposal：Each detection part configures an indicator lamp, by indicator lamp be arranged side by side in
The outside of chi body, user using when can immediately find the gap location of corresponding maximum, make blade simple and beautiful, convenient use
Person uses.
Preferably, the measurement portion includes slide rheostat, divider resistance, power supply and the electricity being vertically arranged in cavity
Table is pressed, slide rheostat has a slide plate, and slide plate be in the bottom of slide rheostat during original state, and slide plate fixes company with displacement plate
Connect；
The positive pole of power supply is connected with slide plate, and the negative pole of power supply and the upper end of slide rheostat are connected, and divider resistance is connected to
Between power cathode and slide rheostat, voltmeter is connected in parallel in power supply with slide rheostat.
By using above-mentioned technical proposal：Divider resistance has the function that partial pressure in measuring circuit, while also has and protect
Protect the effect of measuring circuit.
When probe abuts with bottom surface, probe is set vertically to move up, at the same time displacement plate also moves up,
During displacement plate moves up, slide plate is measured on slide rheostat along slide rheostat upward sliding by voltmeter
Magnitude of voltage, so as to obtain displacement plate decline height, displacement plate decline height that is to say maximum gap depth value.
Preferably, the neck for being used for limiting probe movement track is provided with the cavity.
By using above-mentioned technical proposal：Fluting has the function that to limit probe motion track, prevents from popping one's head in upper downslide
Shifted during shifting, influence measurement result.
In summary, the utility model has the advantages that：
1. waste the plenty of time during solving the problems, such as measurement；
2. the function with the maximal clearance position on automatic detection road surface and automatic display measured value.
Brief description of the drawings
Fig. 1 is the stereogram of the present embodiment；
Fig. 2 is the cross-sectional end view of the present embodiment；
Fig. 3 is the middle part sectional view of the present embodiment；
Fig. 4 is the indicating circuit figure of the present embodiment；
Fig. 5 is the measuring circuit figure of the present embodiment.
In figure：1st, ruler body；2nd, cavity；3rd, pop one's head in；4th, displacement plate；5th, metal derby；6th, indicating circuit；7th, measurement portion；8、
First spring；9th, conducting strip；10th, slippage slot；11st, sliding block；12nd, slide rheostat；13rd, slide plate；14th, measuring circuit；15th, voltage
Table；16th, divider resistance；17th, second spring；18th, neck；19th, indicator lamp.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of automatic three meters of ruler devices for surveying reading surface evenness, as shown in Figure 1, 2, including ruler body 1, in ruler body
1 inside sets cavity 2.Some set constructor identical probes 3 are set in cavity 2, and probe 3 is set vertically downwards.
Simultaneously in order that probe 3 has vertically the mobile trend of sliding up and down, the upper end of probe 3 is provided with second spring
17.The lower end of probe 3 is in the outside of cavity 2, for being abutted against with the bottom surface of displacement plate 4.It is provided with cavity 2 some for limiting
Pop one's head in the necks 18 of 3 movement locus, the sliding of probe 3 is arranged in neck 18.
As shown in Figure 2,3, the horizontally disposed displacement plate 4 in the lower end of cavity 2, the both ends of displacement plate 4 are provided with the first spring
8, the bottom of cavity 2 is fixed in one end of the first spring 8, and the other end of the first spring 8 is fixedly connected with displacement plate 4, the first bullet
Spring 8 makes displacement plate 4 have the trend moved up.The inwall of cavity 2 is provided with two slippage slots 10, and slippage slot 10 is set along vertical side
Put, two slippage slots 10 are respectively at the both sides of cavity 2, and the both ends of displacement plate 4, which are provided with, is used for what is slided up and down in slippage slot 10
Sliding block 11.
As shown in Fig. 2 the metal derby 5 for being abutted against with displacement plate 4 is equipped with some probes 3, on some displacement plates 4
Metal derby 5 be in same position.When ruler device is not in working condition, it is some probe 3 on metal derby 5 with position
Plate 4 is moved to abut；When ruler device is in running order, the metal derby 5 on probe 3 only in maximal clearance can be with position
Plate 4 is moved to abut.
As shown in Fig. 1,3,4, each group of probe 3 include detection metal derby 5 whether the indicating circuit abutted with displacement plate 4
6.Indicating circuit 6 includes indicator lamp 19, and indicator lamp 19 is arranged at the outside of chi body, and some indicator lamps 19 are arranged side by side.Displacement plate 4
Metallic conduction piece 9 is provided with the place of abutting of metal derby 5.Indicator lamp 19, the conducting strip 9 of metal derby 5 are series on indicating circuit 6, some
Indicating circuit 6 is connected in parallel in power Vcc 1, and power Vcc 1 is provided with switch s1.
As shown in Fig. 1,3,5, it is provided with ruler body 1 according to the down position of displacement plate 4 to measure the length of maximal clearance
The measurement portion 7 of degree.Measurement portion 7 includes the slide rheostat 12 being fixedly installed on vertically in cavity 2, and slide rheostat 12 has edge
The slide plate 13 that slide rheostat slides about 12, displacement plate 4 are fixedly connected with slide plate 13, are started slide plate 13 during measurement and are in slip
The bottom of rheostat 13.Measurement portion 7 also includes the survey being made up of divider resistance 16, voltmeter 15, power Vcc 2 and switch S2
Circuit 14 is measured, the upper end of slide rheostat 12 is connected with the negative pole of power Vcc 2, and divider resistance 16 is connected to the negative of power Vcc 2
Between pole and the upper end of slide rheostat 12, in the parallel connection of voltmeter 15 and slide rheostat 12.Pass through the display on voltmeter 15
Value V, the resistance of divider resistance 16 is r2, can shift onto out the resistance r1 of slide rheostat 12=(（Vcc2-V)/V）* r2, pass through
All-in resistance R on slide rheostat 12 and slide rheostat 12 total length X, can obtain the depth of maximal clearance for x=（X/
R）*((Vcc2-V)/V）*r2.
Use process：
1. three meters of ruler devices are placed horizontally at during maximal clearance on practical three meters of ruler measurement device road surfaces at that time
On road surface, and the probe 3 on three meters of rulers is placed downwards, probe 3 is abutted with ground；
2. opening switch s1, the unlatching of that display lamp is detected, and record；
3. opening switch s2, the show value on voltmeter 15 is read, and record.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (6)
1. a kind of automatic three meters of ruler devices for surveying reading surface evenness, including ruler body (1), the ruler body (1) is interior to be provided with
Cavity (2), it is characterised in that：Vertically it is provided with that some groups of structures are identical to be slid and run through up and down in the cavity (2)
The horizontally disposed up and down displacement plate (4) in the middle part of the probe (3) of cavity bottom, cavity (2), the probe (3)
Top is provided with the metal derby (5) for being used for abutting with displacement plate (4) upper surface, and the lower surface of displacement plate (4), which is provided with, drives displacement plate
(4) the first spring moved up（8）, the first spring（8）Lower end be fixed on cavity（2）Bottom, probe (3) top set
There is the second spring for driving probe (3) to move down（17）, second spring（17）It is fixed on cavity（2）Top, the first spring（8）
Elastic force be more than second spring（17）Elastic force；
Ruler body be provided with detection metal derby (5) whether the indicating circuit (6) abutted with displacement plate (4)；Ruler body (1) is provided with
The measurement portion (7) for the displacement that measurement displacement plate (4) moves down.
A kind of 2. automatic three meters of ruler devices for surveying reading surface evenness according to claim 1, it is characterised in that：It is described
Indicating circuit (6) includes indicator lamp (19), power supply（Vcc1）, displacement plate (4) is with being provided with metallic conduction piece at the abutting for abutting block
(9), the indicator lamp (19), power supply（Vcc1）, metal derby (5) and conducting strip (9) be connected in series to form closed-loop path.
A kind of 3. automatic three meters of ruler devices for surveying reading surface evenness according to claim 2, it is characterised in that：It is described
The both ends of cavity (2) are vertically equipped with slippage slot (10), and the both ends of the displacement plate (4), which are provided with, to be used in slippage slot
(10) sliding block (11) slided up and down in.
A kind of 4. automatic three meters of ruler devices for surveying reading surface evenness according to claim 3, it is characterised in that：It is described
Indicator lamp (19) is arranged at the outside of ruler body (1).
A kind of 5. automatic three meters of ruler devices for surveying reading surface evenness according to claim 1, it is characterised in that：It is described
Measurement portion (7) includes slide rheostat (12), divider resistance (16), the power supply being vertically arranged in cavity (2)（Vcc2）And
Voltmeter（15）, slide rheostat (12) has slide plate（13）, slide plate during original state（13）In slide rheostat (12)
Bottom, slide plate（13）It is fixedly connected with displacement plate (4)；
Power supply（Vcc2）Positive pole be connected with slide plate (13), power supply（Vcc2）The upper end of negative pole and slide rheostat (12) connect
Connect, divider resistance（16）It is connected to power supply（Vcc2）Negative pole and slide rheostat（12）Between, voltmeter（15）With sliding variable resistance
Device（12）It is connected in parallel.
A kind of 6. automatic three meters of ruler devices for surveying reading surface evenness according to claim 5, it is characterised in that：It is described
The neck (18) for being used for limiting probe (3) movement locus is provided with cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346705.8U CN206693018U (en) | 2017-04-05 | 2017-04-05 | A kind of automatic three meters of ruler devices for surveying reading surface evenness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346705.8U CN206693018U (en) | 2017-04-05 | 2017-04-05 | A kind of automatic three meters of ruler devices for surveying reading surface evenness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206693018U true CN206693018U (en) | 2017-12-01 |
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ID=60441560
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720346705.8U Active CN206693018U (en) | 2017-04-05 | 2017-04-05 | A kind of automatic three meters of ruler devices for surveying reading surface evenness |
Country Status (1)
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| CN (1) | CN206693018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220488A (en) * | 2019-06-26 | 2019-09-10 | 甘肃路桥工程检测有限公司 | A kind of works flatness automatic measurement mechanism |
| CN110479490A (en) * | 2019-08-27 | 2019-11-22 | 福建龙净环保股份有限公司 | It is a kind of for detecting the device and method of mobile elevation |
| CN111705605A (en) * | 2020-07-07 | 2020-09-25 | 五邑大学 | Road surface flatness detection device |
-
2017
- 2017-04-05 CN CN201720346705.8U patent/CN206693018U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220488A (en) * | 2019-06-26 | 2019-09-10 | 甘肃路桥工程检测有限公司 | A kind of works flatness automatic measurement mechanism |
| CN110479490A (en) * | 2019-08-27 | 2019-11-22 | 福建龙净环保股份有限公司 | It is a kind of for detecting the device and method of mobile elevation |
| CN111705605A (en) * | 2020-07-07 | 2020-09-25 | 五邑大学 | Road surface flatness detection device |
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