阅读说明：本技术 一种汽车车门质心测量装置 (A kind of arrangements for automotive doors center mass measuring device ) 是由 刘晶 朱建华 李林波 滕平 蒙永种 于 2018-05-24 设计创作，主要内容包括：本发明公开了一种汽车车门质心测量装置,包括设备框架和三个传感器组件,三个所述传感器组件分别与所述设备框架的顶部滑动连接,三个所述传感器组件呈三角形排列设置,其中一个所述传感器组件与所述设备框架的顶部可升降式连接,三个所述传感器组件分别与数据采集器连接。本发明的一种汽车车门质心测量装置,能精确测量不同尺寸的汽车车门的质心,通用性好,测量数据实时自动采集。(The invention discloses a kind of arrangements for automotive doors center mass measuring devices, including device framework and three sensor modules, three sensor modules are connect with the top slide of the device framework respectively, three sensor modules are triangularly arranged setting, one of them described sensor module is connect with the top Liftable type of the device framework, and three sensor modules are connect with data collector respectively.A kind of arrangements for automotive doors center mass measuring device of the invention, the mass center of the energy various sizes of arrangements for automotive doors of precise measurement, versatility is good, measurement data real-time automatic collecting.)

1. a kind of arrangements for automotive doors center mass measuring device, it is characterised in that: including device framework and three sensor modules, three institutes It states sensor module to connect with the top slide of the device framework respectively, three sensor modules are triangularly arranged and set It sets, sensor module described in two of them is in the plane of sustained height, another described sensor module and the equipment The top Liftable type of frame connects, and the lower end of three sensors is detachably fixed with car door ontology respectively to be connect, and three The sensor module is connect with data collector respectively.

2. a kind of arrangements for automotive doors center mass measuring device according to claim 1, it is characterised in that: three sensors point Not Wei the first tension sensor, the second tension sensor, third tension sensor, first tension sensor and described second Tension sensor passes through the first guide rail respectively and connect with the top slide of the device framework, and first guide rail is fixed at institute The center at top on front side of device framework is stated, the upper end of first tension sensor passes through the first line of pull and first guide rail It being slidably connected, the upper end of second tension sensor is slidably connected by the second line of pull and first guide rail, and described Three tension sensors pass through the top of the second guide rail and the device framework, and second guide rail is rotatably arranged the equipment frame Top on rear side of frame, the third tension sensor are connect by lifting motor with the top Liftable type of the device framework, The upper end of the third tension sensor is connect by third line of pull with the lower end of the lifting motor, and first pulling force passes The lower end of sensor, second tension sensor and the third tension sensor is detachably fixed company with car door ontology respectively Connect, first tension sensor, second tension sensor and the third tension sensor respectively with data collector The lower end of connection, first tension sensor and second tension sensor is set in the plane of sustained height.

3. a kind of arrangements for automotive doors center mass measuring device according to claim 2, it is characterised in that: the device framework includes Pedestal, the first column, the second column, third column, crossbeam and rotating beam, first column and second column are solid respectively Due to the left and right sides of institute's pedestal front, the left end of institute's crossbeam is fixedly connected with the upper end of first column, the crossbeam Right end is fixedly connected with the upper end of second column, and the third column is fixed on the rear portion of the pedestal, the rotating beam One end and the upper end of the third column be rotatably connected, the upper table of the lower surface in the middle part of the crossbeam and first guide rail Face is fixedly connected, and the lower surface of the rotating beam is fixedly connected with the upper surface of second guide rail.

4. a kind of arrangements for automotive doors center mass measuring device according to claim 2, it is characterised in that: set on first guide rail Have the first sliding block and the second sliding block, the upper end of the upper end of first sliding block and second sliding block respectively with first guide rail It is slidably connected, the lower end of first sliding block is fixedly connected with the upper end of first line of pull, the lower end of second sliding block It is fixedly connected with the upper end of second line of pull.

5. a kind of arrangements for automotive doors center mass measuring device described in -4 any one claims, feature exist according to claim 1 In: the first suspended axle, the second suspended axle and photoelectric sensor are respectively equipped on the device framework, first suspended axle is fixed Left side at the top of the device framework, the slideable right side at the top of the device framework of second suspended axle, The photoelectric sensor is fixed at the bottom of the device framework, the photoelectric sensor and first suspended axle and described The position of second suspended axle is corresponding, and the photoelectric sensor is connect with the data collector, the lower end of first suspended axle It is detachably fixed and connect with the car door ontology respectively with the lower end of second suspended axle.

6. a kind of arrangements for automotive doors center mass measuring device according to claim 5, it is characterised in that: under the car door ontology Portion is equipped with period measurement auxiliary rod, and the upper end of the period measurement auxiliary rod and the lower part of the car door ontology are detachably fixed company It connects, the lower end of the period measurement auxiliary rod is corresponding with the position of the photoelectric sensor.

7. a kind of arrangements for automotive doors center mass measuring device described in -4 any one claims, feature exist according to claim 1 In: the device framework is equipped with signal transmitting device, and three sensor modules pass through the signal transmitting device and institute respectively Data collector connection is stated, three sensor modules are connect with the signal transmitting device, the signal transmitting device and institute State data collector connection.

8. a kind of arrangements for automotive doors center mass measuring device described in -4 any one claims, feature exist according to claim 1 In: the top of the device framework is equipped with digital display meter, and the digital display meter is connect with three sensor modules respectively.

9. a kind of arrangements for automotive doors center mass measuring device described in -4 any one claims, feature exist according to claim 1 In: the lower end of three sensor modules is equipped with the collet for hanging the car door ontology, the collet and the vehicle Door body is detachably fixed connection.

Technical field

The present invention relates to a kind of center mass measuring devices, more particularly to a kind of arrangements for automotive doors center mass measuring device.

Background technique

Least energy required for customer's closing automobile car door is the important indicator of evaluation arrangements for automotive doors perceived quality, and Arrangements for automotive doors during the shutdown process provided by energy, be to influence important one of least energy；Arrangements for automotive doors is obtained to close Energy provided by during closing, just must be known by the mass center and rotary inertia of arrangements for automotive doors；At present the country there is no dedicated for The measuring device of arrangements for automotive doors mass center and rotary inertia, current existing similar device, there is following defect:

1, arrangements for automotive doors size, poor universality can not be adapted to, and is unable to get precise and stable result data；

2, measurement data can not in real time and automatic collection, human-computer interaction it is poor.

Summary of the invention

The present invention is completed to solve in the prior art insufficient, and the object of the present invention is to provide a kind of Automobiles Door center mass measuring device, the mass center of the energy various sizes of arrangements for automotive doors of precise measurement, versatility is good, and measurement data is adopted automatically in real time Collection.

A kind of arrangements for automotive doors center mass measuring device of the invention, including device framework and three sensor modules, three institutes It states sensor module to connect with the top slide of the device framework respectively, three sensor modules are triangularly arranged and set It sets, sensor module described in two of them is in the plane of sustained height, another described sensor module and the equipment The top Liftable type of frame connects, and the lower end of three sensors is detachably fixed with car door ontology respectively to be connect, and three The sensor module is connect with data collector respectively.

A kind of arrangements for automotive doors center mass measuring device of the invention may also is that

Three sensors are respectively the first tension sensor, the second tension sensor, third tension sensor, described First tension sensor and second tension sensor pass through the first guide rail respectively and the top slide of the device framework connects It connects, first guide rail is fixed at the center at top on front side of the device framework, and the upper end of first tension sensor is logical It crosses the first line of pull to be slidably connected with first guide rail, the upper end of second tension sensor passes through the second line of pull and institute The first guide rail to be stated to be slidably connected, the third tension sensor is by the top of the second guide rail and the device framework, and described the Two guide rails are rotatably arranged the top on rear side of the device framework, and the third tension sensor is set by lifting motor with described The top Liftable type of standby frame connects, and the upper end of the third tension sensor passes through third line of pull and the lifting motor Lower end connection, the lower end of first tension sensor, second tension sensor and the third tension sensor point It is not detachably fixed and connect with car door ontology, first tension sensor, second tension sensor and the third are drawn Force snesor is connect with data collector respectively, and the lower end of first tension sensor and second tension sensor is set to In the plane of sustained height.

The device framework includes pedestal, the first column, the second column, third column, crossbeam and rotating beam, and described first Column and second column are individually fixed in the left and right sides of institute's pedestal front, the left end of institute's crossbeam and first column Upper end is fixedly connected, and the right end of the crossbeam is fixedly connected with the upper end of second column, and the third column is fixed on institute State the rear portion of pedestal, one end of the rotating beam and the upper end of the third column are rotatably connected, in the middle part of the crossbeam under Surface is fixedly connected with the upper surface of first guide rail, and the upper surface of the lower surface of the rotating beam and second guide rail is solid Fixed connection.

First guide rail is equipped with the first sliding block and the second sliding block, the upper end of first sliding block and second sliding block Upper end be slidably connected respectively with first guide rail, the lower end of first sliding block and the upper end of first line of pull are fixed Connection, the lower end of second sliding block is fixedly connected with the upper end of second line of pull.

The first suspended axle, the second suspended axle and photoelectric sensor, first suspension are respectively equipped on the device framework Axis is fixed at the left side at the top of the device framework, and second suspended axle is slideable to be set at the top of the device framework Right side, the photoelectric sensor are fixed at the bottom of the device framework, the photoelectric sensor and first suspended axle Corresponding with the position of second suspended axle, the photoelectric sensor is connect with the data collector, first suspended axle Lower end and the lower end of second suspended axle be detachably fixed connect with the car door ontology respectively.

The lower part of the car door ontology is equipped with period measurement auxiliary rod, the upper end of the period measurement auxiliary rod and the vehicle The lower part of door body is detachably fixed connection, the lower end of the period measurement auxiliary rod and the position pair of the photoelectric sensor It answers.

The device framework is equipped with signal transmitting device, and three sensor modules pass through the signal transmitting device respectively It is connect with the data collector, three sensor modules are connect with the signal transmitting device, the signal transmitting device It is connect with the data collector.

The top of the device framework is equipped with digital display meter, and the digital display meter is connect with three sensor modules respectively.

The lower end of three sensor modules is equipped with the collet for hanging the car door ontology, the collet and institute It states car door ontology and is detachably fixed connection.

A kind of arrangements for automotive doors center mass measuring device of the invention, including device framework and three sensor modules, three institutes It states sensor module to connect with the top slide of the device framework respectively, three sensor modules are triangularly arranged and set It sets, sensor module described in two of them is in the plane of sustained height, another described sensor module and the equipment The top Liftable type of frame connects, and the lower end of three sensors is detachably fixed with car door ontology respectively to be connect, and three The sensor module is connect with data collector respectively.In this way, being connect by three sensor modules with car door ontology, by vehicle Door body is hung up by three hitch points, and three sensor modules can measure the drawing at three hitch points of car door ontology respectively Power, since 3 points can determine a plane, three sensor modules are connect with the top slide of device framework respectively, then three biographies The horizontal position of sensor component is adjustable, and two of them sensor module is in the plane of sustained height, another Sensor module is connect with the top Liftable type of the device framework, then can be by adjusting one of sensor module or more The position in direction can hang car door ontology to horizontal position or any one non-horizontal position, at three sensor modules When the plane of sustained height, car door ontology is hung to horizontal plane, when two sensor modules and another sensor module not In sustained height, car door ontology is hung to non-horizontal position, can by adjusting the horizontal position of three sensor modules respectively The suspension force of three hitch points of car door ontology is set to be each perpendicular to horizontal plane, data collector connects with three sensor modules respectively It connects, the data of pulling force can be acquired in real time, by measurement arrangements for automotive doors ontology in horizontal position and any one non-horizontal position Suspension force can be calculated the centroid position of arrangements for automotive doors ontology by principle of moment balance.In addition, logical when measurement car door mass center It crosses three hitch points to hang car door ontology, the horizontal position of three hitch points is adjustable, is applicable to various sizes of automobile The centroid measurement of car door.In terms of existing technologies, a kind of arrangements for automotive doors center mass measuring device of the invention has following excellent Point: the mass center of the energy various sizes of arrangements for automotive doors of precise measurement, versatility is good, measurement data real-time automatic collecting.

Detailed description of the invention

Fig. 1 is a kind of structure front view of arrangements for automotive doors center mass measuring device of the present invention.

Fig. 2 is a kind of structure right view of arrangements for automotive doors center mass measuring device of the present invention.

Fig. 3 is that a kind of centroid measurement of arrangements for automotive doors center mass measuring device of the present invention tests schematic diagram.

Fig. 4 is that a kind of rotation inerttia of arrangements for automotive doors center mass measuring device of the present invention tests schematic diagram.

Figure number explanation

1 ... the second tension sensor of the first tension sensor of device framework 2 ... 3 ...

4 ... the second guide rails of the first guide rail of third tension sensor 5 ... 6 ...

7 ... the second line of pull of the first line of pull of lifting motor 8 ... 9 ...

10 ... the first columns of third line of pull 11 ... pedestal 12 ...

13 ... second column 14 ... third column 15 ... crossbeams

16 ... the second sliding blocks of the first sliding block of rotating beam 17 ... 18 ...

19 ... first the second suspended axle of suspended axle 20 ... 21 ... photoelectric sensors

22 ... signal transmitting device 23 ... digital display meter 24 ... collets

25 ... period measurement auxiliary rod 26 ... car door ontologies

Specific embodiment

In the present invention, the first guide rail 5 in front side, the second guide rail 6 in rear side, attached drawing 1 into attached drawing 4, the first column 12 Position is a left side, and the position of the second column 13 is the right side.

1 to attached drawing 4 with reference to the accompanying drawing, makees further specifically to a kind of arrangements for automotive doors center mass measuring device of the invention It is bright.

A kind of arrangements for automotive doors center mass measuring device of the invention, please refer to figs. 1 to 4, including device framework 1 and three biographies Sensor component, three sensor modules are connect with the top slide of the device framework 1 respectively, three sensor groups Part is triangularly arranged setting, and sensor module described in two of them is in the plane of sustained height, another described sensing Device assembly is connect with the top Liftable type of the device framework 1, the lower end of three sensors respectively with car door ontology 26 It is detachably fixed connection, three sensor modules are connect with data collector respectively.In this way, passing through three sensor modules It connect, car door ontology 26 is hung up by three hitch points, three sensor modules can measure vehicle respectively with car door ontology 26 Pulling force at three hitch points of door body 26 can determine a plane due to 3 points, three sensor modules respectively with equipment The top slide of frame 1 connects, then the horizontal position of three sensor modules is adjustable, and two of them sensor module In plane in sustained height, another sensor module is connect with the top Liftable type of the device framework 1, then can be led to The position for overregulating one of sensor module up and down direction can hang car door ontology 26 to horizontal position or any one A non-horizontal position, when three sensor modules are in the plane of sustained height, car door ontology 26 is hung to horizontal plane, when two Not in sustained height, car door ontology 26 is hung to non-horizontal position for a sensor module and another sensor module, is passed through The horizontal position for adjusting three sensor modules respectively, can make the suspension force of three hitch points of car door ontology 26 be each perpendicular to water Plane, data collector are connect with three sensor modules respectively, can acquire the data of pulling force in real time, by measuring arrangements for automotive doors Ontology 26 can be calculated Automobile by principle of moment balance in the suspension force of horizontal position and any one non-horizontal position The centroid position of door body 26.In addition, being hung car door ontology 26 by three hitch points when measurement car door mass center, it is applicable to The centroid measurement of various sizes of arrangements for automotive doors.In terms of existing technologies, a kind of arrangements for automotive doors centroid measurement of the invention Device has the advantage that the mass center of the energy various sizes of arrangements for automotive doors of precise measurement, and versatility is good, and measurement data is automatic in real time Acquisition.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it may also is that three sensors are respectively the first tension sensor 2, the second tension sensor 3, third drawing Force snesor 4, first tension sensor 2 and second tension sensor 3 pass through the first guide rail 5 and the equipment respectively The top slide of frame 1 connects, and first guide rail 5 is fixed at the center at the 1 front side top of device framework, and described first The upper end of tension sensor 2 is slidably connected by the first line of pull 8 with first guide rail 5, second tension sensor 3 Upper end is slidably connected by the second line of pull 9 with first guide rail 5, the third tension sensor 4 by the second guide rail 6 and The top of the device framework 1, second guide rail 6 are rotatably arranged the top of 1 rear side of device framework, and the third is drawn Force snesor 4 is connect by lifting motor 7 with the top Liftable type of the device framework 1, the third tension sensor 4 Upper end is connect by third line of pull 10 with the lower end of the lifting motor 7, and first tension sensor 2, described second are drawn The lower end of force snesor 3 and the third tension sensor 4 is detachably fixed with car door ontology 26 respectively to be connect, and described first draws Force snesor 2, second tension sensor 3 and the third tension sensor 4 are connect with data collector respectively, and described The lower end of one tension sensor 2 and second tension sensor 3 is set in the plane of sustained height.In this way, the first pulling force passes The lower end of sensor 2 and the second tension sensor 3 is located in the plane of sustained height, the upper end of third tension sensor 4 and lifting Motor 7 connects, the height that 4 lower end of third tension sensor is adjusted by controlling lifting motor 7, due to the first tension sensor 2, the upper end of the second tension sensor 3 and third tension sensor 4 passes through the first line of pull 8, the second line of pull 9 and third respectively Line of pull 10 is hung up, and the direction according to the pulling force of the characteristic line of pull of line of pull offer is consistent with the direction of line of pull itself, can With the direction for the pulling force that the walking direction line of pull by observation line of pull provides, the first tension sensor 2 and the second pulling force are passed Sensor 3 is slidably connected by the first line of pull 8 and the second line of pull 9 with the first guide rail 5 respectively, then 2 He of the first tension sensor Second tension sensor 3 is adjustable along the left and right directions position of the first guide rail 5, and third tension sensor 4 passes through line of pull and lifting After motor 7 is slidably connected with the second guide rail 6, and the second guide rail 6 described in the second guide rail 6 is rotatably arranged the device framework 1 The top of side, third tension sensor 4 can be adjustable in the direction position of front and back along the second guide rail 6 and pass through the second guide rail of rotation The position of 6 the second guide rails 6 of adjustment can drive the change in location of third tension sensor 4, then the position of third tension sensor 4 exists It is adjustable on the direction of top to bottom, left and right, front and rear, data collector respectively with the first tension sensor 2, the second tension sensor 3 and Third tension sensor 4 connects, and can acquire the data of pulling force in real time.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it is further preferred that: the device framework 1 is vertical including pedestal 11, the first column 12, the second column 13, third Column 14, crossbeam 15 and rotating beam 16, first column 12 and second column 13 are individually fixed in 11 front of institute's pedestal The left and right sides, the left end of institute's crossbeam 15 are fixedly connected with the upper end of first column 12, the right end of the crossbeam 15 with it is described The upper end of second column 13 is fixedly connected, and the third column 14 is fixed on the rear portion of the pedestal 11, the rotating beam 16 One end and the upper end of the third column 14 are rotatably connected, the lower surface at 15 middle part of crossbeam and first guide rail 5 Upper surface is fixedly connected, and the lower surface of the rotating beam 16 is fixedly connected with the upper surface of second guide rail 6.In this way, pedestal 11 for installing three columns, the first column 12 and second columns 13 such as the first column 12, the second column 13 and third column 14 It is used to support crossbeam 15, crossbeam 15 is used to support installation rotating beam 16, rotating beam for installing the first guide rail 5, third column 14 16 for installing the second guide rail 6, and rotating beam 16 is rotatably connected the upper end with third column 14, then the second guide rail 6 passes through rotation Beam 16 is rotatably connected in the upper end of third column 14, drives the second guide rail 6 in the horizontal plane by rotating the rotating beam 16 Rotation, the rotation of the second guide rail 6 can drive moves in third tension sensor 4, and because of third tension sensor 4 along the second guide rail 6 is removable, to realize that the position of third tension sensor 4 is adjustable along front and back and left and right directions.The skill described in front On the basis of art scheme, please refer to figs. 1 to 4, it is further preferred that: first guide rail 5 is equipped with 17 He of the first sliding block It is slided respectively with first guide rail 5 upper end of second sliding block 18, the upper end of first sliding block 17 and second sliding block 18 Connection, the lower end of first sliding block 17 are fixedly connected with the upper end of first line of pull 8, the lower end of second sliding block 18 It is fixedly connected with the upper end of second line of pull 9.In this way, being drawn by the first sliding block 17 of setting and the second sliding block 18 convenient for first The line of force 8 and the second line of pull 9 are connected with the first guide rail 5, and the first sliding block 17 and the second sliding block 18 are respectively on the first guide rail 5 Sliding, can drive the first tension sensor 2 and the second tension sensor 3 to move in the lateral direction respectively, be located to realize At two hitch points of the car door ontology 26 of front side (car door ontology 26 and the first tension sensor 2 and the second tension sensor 3 Junction) suffered by pulling force direction adjusting.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it may also is that being respectively equipped with the first suspended axle 19, the second suspended axle 20 and photoelectric sensing on the device framework 1 Device 21, first suspended axle 19 are fixed at the left side at 1 top of device framework, and second suspended axle 20 is slideable Set on the right side at 1 top of device framework, the photoelectric sensor 21 is fixed at the bottom of the device framework 1, described Photoelectric sensor 21 is corresponding with the position of first suspended axle 19 and second suspended axle 20, the photoelectric sensor 21 with The lower end of data collector connection, the lower end of first suspended axle 19 and second suspended axle 20 respectively with the vehicle Door body 26 is detachably fixed connection.In this way, being used by the first suspended axle 19 of setting, the second suspended axle 20 and photoelectric sensor 21 It is that car door ontology 26 provides two by the first suspended axle 19 and the second suspended axle 20 in the rotary inertia of measurement car door ontology 26 Hitch point, two o'clock determine that straight line, the straight line where two hitch points are the rotation axis of car door ontology 26, car door ontology 26 Can be swung around the rotation axis, the photoelectric sensor 21 positioned at 1 bottom of device framework can measure car door ontology 26 number of oscillations and Time, data collector can acquire the data of the measurement of photoelectric sensor 21 in real time, by the number of oscillations of car door ontology 26 and when Between can obtain physical pendulum period of car door ontology 26, using approximate simple harmonic motion equation, turning for car door ontology 26 can be calculated Dynamic inertia.Meanwhile the swing angle of car door ontology 26 should be less than 5 degree, because only that when the pivot angle of single pendulum is less than 5 degree, single pendulum Movement just can be approximated to be simple harmonic motion.In addition, the slideable top set on device framework 1 of the second suspended axle 20, makes car door The distance between two hitch points of hitch point of ontology 26 are adjustable, the rotary inertia suitable for various sizes of car door ontology 26 Measurement.On the basis of the technical solution described in front, it is further preferred that, the lower part of the car door ontology 26 is equipped with the period Auxiliary rod 25 is measured, the upper end of the period measurement auxiliary rod 25 is detachably fixed with the lower part of the car door ontology 26 and connect, The lower end of the period measurement auxiliary rod 25 is corresponding with the position of the photoelectric sensor.In this way, period measurement auxiliary rod 25 is solid Due to the lower part of car door ontology 26, when measuring the rotary inertia of car door ontology 26, period measurement auxiliary rod 25 is with car door ontology 26 swing together, and the number of oscillations of period measurement auxiliary rod 25 and time are identical as car door ontology 26, lead on car door ontology 26 Length of the setting period measurement auxiliary rod 25 equivalent to increase 26 lower end of car door ontology is crossed, various sizes of automobile is applicable to The centroid measurement of car door, the position pair of the lower end of period measurement auxiliary rod 25 and the photoelectric sensor for being set to device framework bottom It answers, convenient for the measurement of photoelectric sensor.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it may also is that the device framework 1 is equipped with signal transmitting device 22, three sensor modules pass through respectively The signal transmitting device 22 is connect with the data collector, and three sensor modules connect with the signal transmitting device 22 It connects, the signal transmitting device 22 is connect with the data collector.In this way, can be by three sensor groups by signal transmitting device 22 The pulling force data for three hitch points that part is measured is transmitted to data collector.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it may also is that the top of the device framework 1 is equipped with digital display meter 23, the digital display meter 23 is respectively and described in three Sensor module connection.In this way, the reading for the pulling force size that three sensor modules are measured can be all shown on digital display meter 23, In the measurement process of 26 mass center of car door ontology, survey crew can directly be read from digital display meter 23, be existed convenient for survey crew When adjusting 26 position of car door ontology, it can be ensured that the pulling force of three hitch points changes significantly.

A kind of arrangements for automotive doors center mass measuring device of the invention on the basis of the technical solution described in front, please refers to Fig. 1 to Fig. 4, it may also is that the lower end of three sensor modules is equipped with the collet for hanging the car door ontology 26 24, the collet 24 is detachably fixed with the car door ontology 26 and connect.In this way, by setting collet 24, convenient for three sensings The connection of device assembly and car door ontology 26.Certainly, the collet 24 can also be the other parts such as pin, as long as convenient for passing three Sensor component is connected with car door ontology 26.

Steps are as follows: the first step for 26 centroid measurement of car door ontology, by the suspension of arrangements for automotive doors ontology 26 to the first pull sensing It is drawn by controlling 7 pull-up car door ontology 26 of lifting motor the lower end of device 2, the second tension sensor 3 and third tension sensor 4 Rise during pay attention to observation car door ontology 26 rise the case where, it is ensured that safety, until car door ontology 26 be in a horizontal state it is (horizontal State refers to that three hitch points contacted with car door ontology 26 are all located on the same horizontal plane) and remain stationary, then as needed The first tension sensor 2 and the second tension sensor 3 position in left and right directions and third tension sensor 4 are adjusted separately preceding Position on left and right directions afterwards makes the direction of three pulling force perpendicular to horizontal plane, is acquired and saved at this time by data collector The data of three pulling force measure and record the horizontal distance between three hitch points of car door ontology 26 at this time；Second step passes through The position for the hitch point that control lifting motor 7 connect car door ontology 26 with third tension sensor 4 is decreased below car door sheet The position of the height of the hitch point connected between body 26 and the first tension sensor 2 or the second tension sensor 3 (specifically can be with It is 1/4 to 3/4 position of the suspension point height that car door ontology 26 is connect with the first tension sensor 2), it is ensured that car door ontology 26 Three hitch points at the numerical value of three pulling force have significant change, then adjust separately the first tension sensor 2 as needed With the position of position and third tension sensor 4 on direction all around of the second tension sensor 3 in left and right directions, make three The direction of a pulling force acquires perpendicular to horizontal plane, by data collector and saves the data of three pulling force at this time, measures and remembers Record the distance between three hitch points of car door ontology 26 at this time.

It is above-mentioned that only the specific embodiment in the present invention is illustrated, but it can not be used as protection scope of the present invention, it is all Be according to the present invention in design spirit made by equivalent change or modification, be deemed to fall protection scope of the present invention.