CN105783672A - Wheel type automobile tire rotation angle measuring device - Google Patents
Wheel type automobile tire rotation angle measuring device Download PDFInfo
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- CN105783672A CN105783672A CN201610241191.XA CN201610241191A CN105783672A CN 105783672 A CN105783672 A CN 105783672A CN 201610241191 A CN201610241191 A CN 201610241191A CN 105783672 A CN105783672 A CN 105783672A
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- measuring device
- angle measuring
- wheeled car
- car tyre
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to the field of wheel rotation angle measuring technologies, and discloses a wheel type automobile tire rotation angle measuring device. The wheel type automobile tire rotation angle measuring device comprises a detection body, wherein the detection body comprises a detection base, an angle dial, a central shaft, a rotating disc and a pointer; the angle dial is fixed on the detection base; the central shaft is arranged on the detection base; the rotating disc is connected on the central shaft, the rotating disc and the angle dial are coaxially arranged, the rotating disc can rotate by taking its axis as a rotation axis, and the top surface of the rotating disc is an automobile tire supporting plane; and the pointer is fixed on the rotating disc and is parallel to the automobile tire supporting plane, and the tail end of the pointer points to a scale value on the angle dial. The wheel type automobile tire rotation angle measuring device can be used for measuring tire rotation angles rapidly and accurately, and is convenient to use.
Description
Technical field
The present invention relates to wheel steering angle field of measuring technique, particularly relate to a kind of wheeled car tyre revolution angle measuring device.
Background technology
The size of automobile tire corner is the main factor affecting turn inside diameter diameter, therefore needs when vehicle production tire corner is measured.
The patent documentation that China's application publication number is CN202793286U discloses a kind of device measuring wheel deflection angle, as shown in Figure 1, this device includes upright arm 1-1 and horizontal arm 1-2, described upright arm 1-1 is provided with two-way vertical collimator 1-3, described horizontal arm 1-2 is set with two slide block 1-4, described slide block 1-4 has hole.During use, by storing cycle to be measured on level ground, utilize fixing device aerofoil profile bolt that measurement apparatus is fixed on the wheel first half；Regulation fixing apparatus aerofoil profile bolt, what make two-way vertical collimator 1-3 is the line of weight all nulling in vertically and horizontally both direction；Then slide two slide block 1-4, makes two slide block 1-4 symmetrical about upright arm 1-1；Finally two pieces of tip straight-bars are inserted in the hole on slide block 1-4, calibrate 2 points on ground, after being linked to be Article 1 straight line, extract straight-bar；Original place allows Vehicular turn again, makes wheel deflect into extreme position to the left, is inserted in the hole on two slide block 1-4 by tip straight-bar, calibrates 2 points on ground, after being linked to be Article 2 straight line, extract straight-bar；Original place allows Vehicular turn make wheel deflect into the right extreme position again, is inserted in the hole on two slide block 1-4 by tip straight-bar, calibrates 2 points on ground, be linked to be Article 3 straight line.The angle between Article 1 straight line and Article 2 straight line and Article 3 straight line measured by last utilization hornwork or rule can obtain the deflection angle of car load wheel.When adopting this device to carry out tyre angle measurement, the survey calculation method of angle is complicated, it is impossible to be used for quickly detecting.
The patent documentation that China's application publication number is CN102455177A discloses a kind of wheeled crane and wheel steering angle measurement apparatus thereof, as in figure 2 it is shown, this device includes the angular transducer 2-1, the first fork 2-2, the second fork 2-3 and pull bar 2-4 that are placed on axletree；Wherein, the detection axle of the first fork 2-2 and angular transducer 2-1 is fixing is connected；Second fork 2-3 is fixing with the wheel hub of wheel to be connected；The two ends of pull bar 2-4 are articulated with the first hinge and the second hinge with the first fork 2-2 and the second fork 2-3 respectively.When vehicle wheel rotation, being fixedly arranged on the second fork 2-3 pushing drawing rod 2-4 action on wheel, pull bar 2-4 promotes the first fork 2-2 in turn, and the detection axle with dynamic sensor rotates, thus the steering angle of wheel is converted to the anglec of rotation of detection axle.Although this device simplifies the measuring method of angle, but needs to be arranged being connected with vehicle counter structure by the associated components in device when measuring, after detection, then dismantle, complex procedures, in-convenience in use.
Summary of the invention
It is an object of the invention to provide a kind of wheeled car tyre revolution angle measuring device, simplify apparatus structure and use operation, so that vehicle tyre angular surveying is quick and convenient.
To achieve these goals, the invention provides following technical scheme:
A kind of wheeled car tyre revolution angle measuring device, including detection body, described detection body includes:
Detection base；
Angle dial, described angle dial is fixed on described detection base；
Jackshaft, described jackshaft is fixed on described detection base；
Rotation dish, described rotation dish is connected on described jackshaft, and coaxially arranged with described angle dial, and described rotation dish can its axis be that rotating shaft rotates, and the end face of described rotation dish is automobile tire supporting plane；
Pointer, described pointer is fixing on the rotating pan, and is parallel to described automobile tire supporting plane layout, and pointer end points to the scale value on described angle dial.
Above-mentioned wheeled car tyre revolution angle measuring device, also includes levelness test section, for detecting and regulate the levelness of described wheeled car tyre revolution angle measuring device.
Above-mentioned wheeled car tyre revolution angle measuring device, described levelness test section includes horizontal ball, the horizontal ball detection groove that is arranged on described wheeled car tyre revolution angle measuring device and the leveling bolt being fixed on described detection base end face.
Above-mentioned wheeled car tyre revolution angle measuring device, described detection base is provided with cannelure, and described cannelure is coaxially arranged with described angle dial, and described angle dial is provided with support protrusion, and by described support protrusion and described cannelure clamping.
Above-mentioned wheeled car tyre revolution angle measuring device, described rotation dish is provided with pointer placing trough.
Above-mentioned wheeled car tyre revolution angle measuring device, described rotation dish is connected by bearing with described jackshaft, and described bearing respectively with described rotation dish, described jackshaft interference fit.
Above-mentioned wheeled car tyre revolution angle measuring device, also including base, described base includes supporting seat, and described supporting seat is provided with a mobile flat board, described mobile flat board can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is multiple, and the detection body for detecting wherein single wheel is fixed on described mobile flat board, and the detection body for detecting relative opposite side wheel is fixed on described supporting seat.
Above-mentioned wheeled car tyre revolution angle measuring device, described detection body is connected respectively through moving slide board is fixing with described mobile flat board, described supporting seat, described moving slide board can adjust its fixed position in a second direction, and described second direction is vertical with described first direction.
Above-mentioned wheeled car tyre revolution angle measuring device, also including base, described base includes supporting seat, and described supporting seat is provided with two mobile flat boards be arrangeding in parallel, described mobile flat board all can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is many groups, is placed in symmetrically on two described mobile flat boards.
Above-mentioned wheeled car tyre revolution angle measuring device, described detection body is connected each through moving slide board and described mobile flat board are fixing, and described moving slide board can adjust its fixed position in a second direction, and described second direction is vertical with described first direction.
The beneficial effects of the present invention is:
Wheeled car tyre revolution angle measuring device provided by the invention, tire to be detected is placed on the automobile tire supporting plane on rotation dish, when tyre rotation, rotation dish is just followed tire and is rotated together, thus the pointer synchronous axial system being rotated on dish, record pointer rotates front and back numerical value of indication on angle dial, can obtain the corner size of tire.Tire corner can be measured by this wheeled car tyre revolution angle measuring device fast and accurately, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, and in conjunction with accompanying drawing, specific embodiments of the invention will be described in further detail, wherein
Fig. 1 is the front view of a kind of device measuring wheel deflection angle in prior art；
Fig. 2 is that in prior art, a kind of wheeled crane and wheel steering angle measurement apparatus thereof use state top view；
The wheeled car tyre revolution angle measuring device that Fig. 3 provides for the embodiment of the present invention is measured the explosive view of body；
The structural representation of supporting seat in the wheeled car tyre revolution angle measuring device that Fig. 4 provides for the embodiment of the present invention；
Fig. 5 be in the embodiment of the present invention in wheeled car tyre revolution angle measuring device first use view；
Fig. 6 be in the embodiment of the present invention in wheeled car tyre revolution angle measuring device second use view.
Wherein the label declaration in above-mentioned accompanying drawing is as follows:
1-1-upright arm, 1-2-horizontal arm, the two-way vertical collimator of 1-3-, 1-4-slide block；
2-1-angular transducer, 2-2-the first fork, 2-3-the second fork, 2-4-pull bar；
1-detects base, 2-angle dial, 3-jackshaft, 4-rotation dish, 5-pointer, 6-horizontal ball, and 7-horizontal ball detection groove, 8-leveling bolt, 9-bearing, 10-supporting seat, 11-moves flat board, 12-moving slide board；
11a-cannelure；21-support protrusion；41-pointer placing trough, 42-fixes nut.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with specific embodiment, this programme is discussed in detail further.
The invention provides a kind of wheeled car tyre revolution angle measuring device, including detection body, the structure of described detection body is as it is shown on figure 3, include detection base 1, angle dial 2, jackshaft 3, rotation dish 4 and pointer 5.Wherein, described angle dial 2 is preferably removably fixed on described detection base 1, in order to before measurement, angle dial 2 described in adjustable so that it is is directed at described pointer 5 with whole scale, is convenient for measuring reading.Described jackshaft 3 can be fixed on the surface of described detection base 1 or insert described detection base 1 and fix, it is preferable that be welded and fixed.Described rotation dish 4 is connected on described jackshaft 3, coaxially arranged with described angle dial 2, it is possible to its axis is that rotating shaft rotates, and the end face of described rotation dish 4 is automobile tire supporting plane.Described pointer 5 is fixed on described rotation dish 4, is parallel to described automobile tire supporting plane and arranges, and pointer end points to the scale value on described angle dial 2.
Described detection body can be used alone, and a tire is detected, it is possible to multiple use simultaneously, and all deflecting rollers of car load are detected simultaneously.During detection, being placed in by tire on described automobile tire supporting plane so that tire and this plane are fully contacted, rotate steering wheel and make steered wheel rotation and dish 4 and pointer 5 concomitant rotation are rotated, record pointer 5 rotates the reading of front and back, can obtain tire corner.Tire corner can be detected by this device fast, easily, and the tyre angle being suitable for all of wheeled car deflecting roller is measured, including the deflecting roller etc. that steering front wheel, rear steering are taken turns, entirely turned to.
Described wheeled car tyre revolution angle measuring device also includes levelness test section, for detecting and regulate the levelness of this wheeled car tyre revolution angle measuring device.In a preferred embodiment, described levelness test section includes horizontal ball 6, the horizontal ball detection groove 7 that is arranged on described automobile tire supporting plane and the leveling bolt 8 being fixed on described detection base 1 bottom surface, as shown in Figure 3.Preferably three, described leveling bolt 8, each other in 120 ° of angles circumferentially, makes horizontal ball 6 be in the centre position of horizontal ball detection groove 7 by adjusting leveling bolt 8, decision maker levelness can meet job requirement.The levelness test section detection of this structure adjusts quick and convenient.
Selectively, described horizontal detection portion may also comprise the gas column being arranged on described detection base 1 bottom surface and levelness detection instrument, being carried out the adjustment of device levelness by gas column, and utilize levelness detection instrument to detect, described levelness detection instrument can be horizon rule, horizon detector etc..
In described detection body, described angle dial 2 can be bolted, snap connection etc. removably mode be connected with described detection base 1, in order to fix again after adjusting position before detection.Preferably, with reference to Fig. 3, it is coaxially arranged with described angle dial 2 that described detection base 1 is provided with cannelure 11a, described cannelure 11a, and described angle dial 2 is provided with support protrusion 21, and by described support protrusion 21 and described cannelure 11a clamping.When firmly acting on described angle dial 2, described support protrusion 21 can be made to slide in described cannelure 11a, so that described angle dial 2 rotates, it is achieved the adjustment of position.This may save process when adjusting described angle dial 2, convenient use.
As shown in Figure 3, described support protrusion 21 preferably includes the support column being connected on described angle dial 2 and is connected to the dop of described support column end, this structure makes have certain gap between described angle dial 2 and described detection base 1, it is prevented that with described detection base 1, frictional interference occurs when described angle dial 2 rotates.
Preferably, described rotation dish 4 is provided with pointer placing trough 41, as it is shown on figure 3, described pointer 5 is positioned in described pointer placing trough 41, it is prevented that the accuracy that during rotation, pointer 5 wobble effects is measured.
Further, described pointer placing trough 41 preferably from described rotation dish 4 centrally along the edge extending radially to described rotation dish 4, and it is provided with annulus in one end of described pointer 5, by this annulus, pointer 5 is enclosed within described jackshaft 3, and locked with described jackshaft 3 by fixing nut 42, it is achieved described pointer 5 is relatively fixed with described rotation dish 4.
With reference to Fig. 3, described rotation dish 4 passes through bearing 9 with described jackshaft 3 and is connected, and facilitates the rotation of described rotation dish 4, described bearing 9 respectively with described rotation dish 4, described jackshaft 3 interference fit.
In another preferred embodiment of the present invention, described wheeled car tyre revolution angle measuring device also includes base, the structure of described base is as shown in Figure 4, including supporting seat 10, described supporting seat 10 is provided with a mobile flat board 11, described mobile flat board 11 can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is multiple, and the detection body for detecting wherein single wheel is fixed on described mobile flat board 11, and the detection body for relative opposite side wheel is fixed on described supporting seat 10, and described detected body includes above-mentioned each preferred structure.The wheeled car tyre revolution angle measuring device that this embodiment provides is suitable for the change of vehicle wheelbase, for the vehicle of different wheelbases, can meet the placement bar of wheel by adjusting the position of described mobile flat board 11.Described mobile flat board 11 can realize the adjustment of fixed position by the mode with bolts with described supporting seat 10.
Further, in the above-described embodiments, described mobile flat board 11, described supporting seat 10 further respectively have moving slide board 12, described detection body is connected with described mobile flat board 11, described supporting seat 10 by described moving slide board 12, described moving slide board 12 can adjust its fixed position in a second direction, described second direction is vertical with described first direction, so that this device can also adapt to the change of vehicle wheel base.In specific implementation process, chute can be set on described supporting seat 10, described mobile flat board 11, described moving slide board 12 arranges the slide block that can slide in described chute, facilitates the position adjustment of described moving slide board 12, adjust and adopt bolt to fix after correct position again.
In selectively embodiment, also can arrange as follows, described wheeled car tyre revolution angle measuring device includes base, described base includes supporting seat 10, described supporting seat 10 is provided with two mobile flat boards 11 be arrangeding in parallel, described mobile flat board 11 all can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is many groups, is placed on two described mobile flat boards 11 symmetrically, regulates, by two described mobile flat boards 11, the change meeting vehicle wheelbase simultaneously.
Further, described detection body is connected each through moving slide board 12 is fixing with described mobile flat board 11, described moving slide board 12 can adjust its fixed position in a second direction, and described second direction is vertical with described first direction, to adapt to the change of vehicle wheel base.
For the wheeled car tyre revolution angle measuring device provided in above-mentioned two embodiment, it uses operating process as follows:
(1) determine the number of car gage, wheel base dimension and deflecting roller, adjust the position of mobile flat board 11 and be fixed, adjust number and the position of moving slide board 12, and fix accordingly with fixing bolt；
(2) the detection body being equal to number with moving slide board 12 is positioned on moving slide board 12；
(3) wheeled car is driven on wheeled car tyre revolution angle measuring device, it is ensured that the end face of the tyre surface of tire and rotation dish 4 is fully contacted；
(4) angle measurement unit is made to be in level by leveling bolt 8；
(5) angle dial 2 of manual adjustments angular surveying, makes a certain scale corresponding with the sensing of pointer 5, and records this scale value α；
(6) rotate steering wheel make steered wheel rotation and dish 4 and pointer 5 concomitant rotation are rotated, after stopping steered wheel rotation, the scale value β of reading pointer 5 indication；
(7) compare the scale value difference γ=β-α of front and back twice, the angle value γ that this steered wheel rotation is crossed can be obtained.
Steering wheel angle angular surveying can be realized fast and accurately by this device, the research and development of automobile are had significantly high practical value, simultaneously by this measurement device tire corner, can also be used with and assist some design parameter calculating suspension.As when utilizing this device to record tire corner, in conjunction with radius of turn and car load wheelbase, calculated the king pin offset of suspension, its formula is as follows:
In formula: R is radius of turn；L is car load wheelbase；γ is tire corner；C is king pin offset.
The structure of the present invention, feature and action effect is described in detail above according to graphic shown embodiment; the foregoing is only presently preferred embodiments of the present invention; but the present invention is not to limit practical range shown in drawing; every change made according to the conception of the present invention; or it is revised as the Equivalent embodiments of equivalent variations; still without departing from description with diagram contain spiritual time, all should in protection scope of the present invention.
Claims (10)
1. a wheeled car tyre revolution angle measuring device, it is characterised in that including detection body, described detection body includes:
Detection base；
Angle dial, described angle dial is fixed on described detection base；
Jackshaft, described jackshaft also is secured on described detection base；
Rotation dish, described rotation dish is connected on described jackshaft, and coaxially arranged with described angle dial, and described rotation dish can its axis be that rotating shaft rotates, and the end face of described rotation dish is automobile tire supporting plane；
Pointer, described pointer is fixed on described rotation dish, and is parallel to described automobile tire supporting plane layout, and pointer end points to the scale value on described angle dial.
2. wheeled car tyre revolution angle measuring device according to claim 1, it is characterised in that also include levelness test section, for detecting and regulate the levelness of described automobile tire corner measuring apparatus.
3. wheeled car tyre revolution angle measuring device according to claim 2, it is characterized in that, described levelness test section includes horizontal ball, the horizontal ball detection groove that is arranged on described automobile tire supporting plane and the leveling bolt being fixed on described detection base end face.
4. the wheeled car tyre revolution angle measuring device according to any one of claims 1 to 3, it is characterised in that described detection base is provided with cannelure, described cannelure is coaxially arranged with described angle dial；Described angle dial is provided with support protrusion, and by described support protrusion and described cannelure clamping.
5. the wheeled car tyre revolution angle measuring device according to any one of claims 1 to 3, it is characterised in that described rotation dish is provided with pointer placing trough.
6. the wheeled car tyre revolution angle measuring device according to any one of claims 1 to 3, it is characterised in that described rotation dish is connected by bearing with described jackshaft, and described bearing respectively with described rotation dish, described jackshaft interference fit.
7. wheeled car tyre revolution angle measuring device according to claim 1, it is characterized in that, also include base, described base includes supporting seat, described supporting seat is provided with a mobile flat board, described mobile flat board can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is multiple, and the detection body for detecting wherein single wheel is fixed on described mobile flat board, and the detection body for detecting relative opposite side wheel is fixed on described supporting seat.
8. wheeled car tyre revolution angle measuring device according to claim 7, it is characterized in that, described detection body is connected respectively through moving slide board is fixing with described mobile flat board, described supporting seat, described moving slide board can adjust its fixed position in a second direction, and described second direction is vertical with described first direction.
9. wheeled car tyre revolution angle measuring device according to claim 1, it is characterized in that, also include base, described base includes supporting seat, described supporting seat is provided with two mobile flat boards be arrangeding in parallel, described mobile flat board all can regulate its fixed position in a first direction, and described first direction is left and right with automobile, and to take turns line direction identical；Described detection body is many groups, is placed in symmetrically on two described mobile flat boards.
10. wheeled car tyre revolution angle measuring device according to claim 9, it is characterized in that, described detection body is connected each through moving slide board and described mobile flat board are fixing, and described moving slide board can adjust its fixed position in a second direction, and described second direction is vertical with described first direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610241191.XA CN105783672A (en) | 2016-04-15 | 2016-04-15 | Wheel type automobile tire rotation angle measuring device |
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| CN201610241191.XA CN105783672A (en) | 2016-04-15 | 2016-04-15 | Wheel type automobile tire rotation angle measuring device |
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| CN105783672A true CN105783672A (en) | 2016-07-20 |
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| CN106679548A (en) * | 2017-01-20 | 2017-05-17 | 徐工集团工程机械有限公司 | Device and method for detecting deflection angle of fan nozzle of cleaning sweeper truck and method for adjusting deflection angle of fan nozzle of cleaning sweeper truck |
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| CN106872188A (en) * | 2016-12-30 | 2017-06-20 | 合肥工业大学 | A kind of In-wheel motor driving electric vehicle rotary is to experimental bench |
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| CN106872188A (en) * | 2016-12-30 | 2017-06-20 | 合肥工业大学 | A kind of In-wheel motor driving electric vehicle rotary is to experimental bench |
| CN106679548A (en) * | 2017-01-20 | 2017-05-17 | 徐工集团工程机械有限公司 | Device and method for detecting deflection angle of fan nozzle of cleaning sweeper truck and method for adjusting deflection angle of fan nozzle of cleaning sweeper truck |
| CN106829346A (en) * | 2017-02-09 | 2017-06-13 | 国网山东省电力公司滨州供电公司 | Portable change movable roundabout and movable stand |
| CN107478188A (en) * | 2017-08-21 | 2017-12-15 | 中国第汽车股份有限公司 | Wheel steering angle measuring instrument |
| CN108050979B (en) * | 2017-12-04 | 2020-05-12 | 国网山东省电力公司电力科学研究院 | Angle measuring system and method for unmanned aerial vehicle inspection and detection |
| CN108050979A (en) * | 2017-12-04 | 2018-05-18 | 国网山东省电力公司电力科学研究院 | A kind of angle measurement system and method that detection is examined for unmanned plane |
| CN108776006A (en) * | 2018-04-16 | 2018-11-09 | 中国电力科学研究院有限公司 | Rotation performance test method for small rotor unmanned aerial vehicle inspection system |
| CN108383042A (en) * | 2018-05-08 | 2018-08-10 | 苏州艾沃意特机械设备制造有限公司 | The anti-skidding drop preventing mechanism of rotation angle disk and lifting machine |
| CN109000589A (en) * | 2018-07-11 | 2018-12-14 | 李成山 | A kind of opto-electrical angle measuring apparatus |
| CN109489829A (en) * | 2018-12-10 | 2019-03-19 | 西北工业大学 | A kind of new infrared radiation intensity aided measurement device |
| CN109489829B (en) * | 2018-12-10 | 2020-06-16 | 西北工业大学 | Novel infrared radiation intensity auxiliary measuring device |
| CN110987277A (en) * | 2019-12-30 | 2020-04-10 | 三一重机有限公司 | Detection device |
| CN110987277B (en) * | 2019-12-30 | 2021-12-17 | 三一重机有限公司 | Detection device |
| CN112284772A (en) * | 2020-09-17 | 2021-01-29 | 江苏大学 | Portable wheel type tractor guide wheel deflection angle measuring method and device |
| CN113548582A (en) * | 2021-04-12 | 2021-10-26 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Female change device of GIL pipe takes scale rotary control dish |
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