CN201707121U - Split vehicle-mounted scale for measuring centers of masses of objects - Google Patents

Split vehicle-mounted scale for measuring centers of masses of objects Download PDF

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Publication number
CN201707121U
CN201707121U CN2010202146240U CN201020214624U CN201707121U CN 201707121 U CN201707121 U CN 201707121U CN 2010202146240 U CN2010202146240 U CN 2010202146240U CN 201020214624 U CN201020214624 U CN 201020214624U CN 201707121 U CN201707121 U CN 201707121U
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CN
China
Prior art keywords
scale
unwheeling
measuring
load cells
scale pan
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Expired - Fee Related
Application number
CN2010202146240U
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Chinese (zh)
Inventor
薄悦
卢志辉
孙志扬
游广飞
张磊乐
葛静
张伟伟
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Zhengzhou Research Institute of Mechanical Engineering Co Ltd
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Zhengzhou Research Institute of Mechanical Engineering Co Ltd
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Priority to CN2010202146240U priority Critical patent/CN201707121U/en
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Abstract

A split vehicle-mounted scale for measuring centers of masses of objects is characterized in that the split vehicle-mounted scale comprises two sets of vehicle-mounted scale bodies placed at a certain distance, each set of vehicle-mounted scale body comprises a vehicle-mounted chassis, a scale base, a weighing sensor and a scale, wherein travelling wheels are disposed under the vehicle-mounted chassis, the scale base is mounted on the vehicle-mounted chassis, the weighing sensor is installed on the scale base, the scale is erected on the weighing sensor, one of the left side and the right side of the scale of one of the two sets of vehicle-mounted scales is provided with a driving roller group while the other side is provided with an angle measuring roller group, the left side and the right side of the scale of the other set of vehicle-mounted scale are respectively provided with an auxiliary supporting roller group, one of the two sets of vehicle-mounted scales is provided with a displacement measurer for detecting the distance between the two sets of vehicle-mounted scales while the other set of vehicle-mounted scale is provided with a length measuring reference, and each scale is placed on each weighing sensor through a weighing tip disposed on the bottom surface of the scale.

Description

A kind of split type unwheeling scale that is used for Measuring Object quality barycenter
Technical field
The utility model relates to a kind of split type unwheeling scale that is used for Measuring Object quality barycenter.
Background technology
The quality of object, the measurement of three-dimensional barycenter are used for the mass property fields of measurement of spacecraft more, and the accurate measurement of these parameters is for improving the quality of products, improving flight stability and accuracy at target plays important effect.
Some large-tonnage and large-sized right cylinder need carry out quality and three-dimensional barycenter and measure.Because size and weight numerical value are very big, conventional measuring equipment is difficult to directly measure barycenter, the quality of this type objects, three-dimensional barycenter are measured the following two kinds of methods that adopt usually at present, the first adopts two groups of rane trolleys to hang hang hook steelyard, come calculated mass and along the one dimension barycenter of hang hook steelyard line direction with the component of two hang hook steelyards, it two is to adopt two cover electronics weighbridges to measure the concrete same hang hook steelyards of computing method.First method is not because the precision of hang hook steelyard own is not high, and suspension distance is inaccurate, weighing process instability, and these shortcomings are very big to quality mass center measurement precision influence, centroid position especially, its repeatability fluctuates in tens millimeters.The second method measuring accuracy is better than the former, but owing to adopt two cover electronics weighbridges, its stand is bigger to the influence of barycenter precision, and very poor with real the joining property of product; The electronics weighbridge occupies than large tracts of land simultaneously, can not all install on each assembly line, so just product need be hung on the assembly line of the electronics weighing apparatus with track, makes surveying work expend lot of manpower and material resources.
Summary of the invention
The purpose of this utility model provides a kind of split type measuring mechanism that is used for Measuring Object quality, three-dimensional barycenter at existing weak point in the above-mentioned prior art just.
The purpose of this utility model can adopt following technique measures to realize:
The split type measuring mechanism that the utility model is used for Measuring Object quality, three-dimensional barycenter comprises two groups of unwheeling scales that are oppositely arranged in orbit, and every group of unwheeling scale comprises that the below is provided with the unwheeling chassis of travelling wheel, the scale pan base that is installed in the unwheeling chassis, the LOAD CELLS that is installed in scale pan base, frame and is placed on the scale pan on the LOAD CELLS; Side in the scale pan left and right sides of one group of unwheeling scale in two groups of unwheeling scales is equipped with the driving rolls group by the displacement adjusting mechanism, and opposite side is equipped with the angle measurement roller set by the displacement adjusting mechanism; The scale pan left and right sides at another group unwheeling scale respectively is equipped with one group of supplemental support roller set by the displacement adjusting mechanism; One group of unwheeling scale of two groups of unwheeling scales is provided with the detector for displacement measuring that is used to detect distance between two groups of unwheeling scales, and another group unwheeling scale is provided with the linear measure longimetry benchmark; The described scale pan is by being arranged on top being placed on the LOAD CELLS of weighing on its bottom surface.
Scale pan base described in the utility model combines with the unwheeling chassis with the frame mode that can carry out two degree of freedom adjustment in length and breadth with respect to the unwheeling chassis; The slide device that roller supporting seat that described displacement adjusting mechanism drives by the adjustment handwheel that is used to drive leading screw, by leading screw and the guide rail that cooperatively interacts, slide block are formed is formed; The LOAD CELLS that is installed in each scale pan base all is made up of four LOAD CELLS; dress is separately positioned on the Si Jiaochu of scale pan base, and is provided with can realize weighing at the installed position of each LOAD CELLS and toply puts with the accurate location of LOAD CELLS with to location and protection that LOAD CELLS is protected.
The wheel pack support of the driving rolls group described in the utility model, angle measurement roller set and supplemental support roller set all has the bidimensional rotational freedom, one dimension is to horizontally rotate, be used to adjust the bus depth of parallelism, one dimension is that rotate at the inclination angle, and assurance roller and product design are real joins.
The utility model is provided with unwheeling scale that feasible system is in the stably measured state stationary installation that puts in place below the unwheeling chassis.
Location described in the utility model and protection put comprise by guide holder that combines with scale pan base top surface, be provided with the taper pilot hole and upper end combine with scale pan bottom surface, the lower end is inserted into the detent mechanism that the locating cone bar in the guide holder taper pilot hole is formed, and by the support goalpost and the bottom surface that combine with scale pan base top surface, the top is provided with the spherical strong point contact with the spherical strong point, the upper end combines the protection mechanism that supporting seat is formed with scale pan bottom surface.
Using method of the present utility model and beneficial effect are as follows:
When the utility model uses between the unwheeling scale distance can adjust as required, unwheeling scale position is fixed and locked to the unwheeling device for positioning and securing.By the back-up roller wheels support product that is installed on the scale pan,, calculate quality, axial barycenter respectively during measurement by LOAD CELLS reading that is fixed in scale pan base and the physical dimension that detector for displacement measuring is measured; After quality, axial barycenter measurement were finished, driving rolls drove product and rotates, and changed by the corner data in a week or several weeks and the reading of corresponding LOAD CELLS, realized the measurement of horizontal barycenter in conjunction with special data processing method.
Because the utility model has adopted split type measuring mechanism, has at first effectively reduced the volume and weight of quality barycenter measuring equipment itself, make this mechanism itself have processing and the convenience of transporting, can put in the practical application.Moreover arrangement of mechanism is convenient and reasonable, is easy to regulate, and can satisfy the different location, the measurement of different product, and efficiency of measurement and measuring accuracy improve greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the location and the partial enlarged drawing at protective device 9 positions among Fig. 1.
Embodiment
The utility model is further described below with reference to example (accompanying drawing):
As shown in Figure 1 and Figure 2, the split type unwheeling scale structure that the utility model is used for Measuring Object quality barycenter comprises two groups of unwheeling scales that are oppositely arranged on the track 16, and every group of unwheeling scale comprises that the below is provided with the unwheeling chassis 1 of travelling wheel, is installed in the scale pan base 2 on unwheeling chassis, the LOAD CELLS 6, the frame that are installed in scale pan base is placed on the scale pan 3 on the LOAD CELLS 6; Side in the scale pan left and right sides of one group of unwheeling scale in two groups of unwheeling scales is equipped with driving rolls group 5 by the displacement adjusting mechanism, and opposite side is equipped with angle measurement roller set 7 by the displacement adjusting mechanism; The scale pan left and right sides at another group unwheeling scale respectively is equipped with one group of supplemental support roller set 8 by the displacement adjusting mechanism; One group of unwheeling scale of two groups of unwheeling scales is provided with the detector for displacement measuring 14 that is used to detect distance between two groups of unwheeling scales, and another group unwheeling scale is provided with linear measure longimetry benchmark 13; The described scale pan 3 top 15 is placed on the LOAD CELLS 6 by being arranged on weighing on its bottom surface.
Scale pan base 2 described in the utility model combines with unwheeling chassis 1 with the frame mode that can carry out two degree of freedom adjustment in length and breadth with respect to unwheeling chassis 1; The slide device that roller supporting seat 4 that described displacement adjusting mechanism drives by the adjustment handwheel 12 that is used to drive leading screw, by leading screw and the guide rail that cooperatively interacts, slide block are formed is formed.
The LOAD CELLS 6 that is installed in each scale pan base all is made up of four LOAD CELLS 6, be separately positioned on the Si Jiaochu of scale pan base 2, and be provided with to realize weighing at the installed position of each LOAD CELLS 6 and toply put 9 with the accurate location of LOAD CELLS with to location and protection that LOAD CELLS is protected; Described location and protection put 9 comprise by combine with the scale pan 3 bottom surfaces with scale pan base 2 end faces guide holder that combine, that be provided with the taper pilot hole and upper end, the lower end is inserted into the detent mechanism that the locating cone bar in the guide holder taper pilot hole is formed, and by the support goalpost and the bottom surface that combine with scale pan base 2 end faces, the top is provided with the spherical strong point contact with the spherical strong point, the upper end combines the protection mechanism that supporting seat is formed with the scale pan 3 bottom surfaces.
The wheel pack support of the driving rolls group 5 described in the utility model, angle measurement roller set 7 and supplemental support roller set 8 all has the bidimensional rotational freedom, one dimension is to horizontally rotate, be used to adjust the bus depth of parallelism, one dimension is that rotate at the inclination angle, and assurance roller and product design are real joins.
The utility model is provided with the unwheeling scale device for positioning and securing 11 that feasible system is in the stably measured state below unwheeling chassis 1.
Concrete principle of work of the present utility model and method of operating are as follows:
Referring to Fig. 2: when product is measured, adopt two groups of movable frame cart balances, at first carry out following mechanical adjustment:
1, according to the product support zone apart from the spacing of adjusting two groups of scales of unwheeling, and use the unwheeling device for positioning and securing 11 unwheeling scale that is locked;
2, scale pan base 2 is installed in unwheeling chassis 1, scale pan base 2 is carried out two-freedom move and adjust the product axis and overlap the back substantially with the transducer arrangements symmetrical center line and lock;
3, rotation hand wheel 12 makes forward and reverse leading screw rotation, mobile supporting seat 4 top shoes 10 move along guide rail, adjust the spacing of driving rolls group 5 and angle measurement roller set 7, adjust the spacing of two groups of supplemental support roller set 8 of installing on another group unwheeling scale equally, to adapt to the requirement of different product diameter;
4, according to product profile and support roller set 5,7,8 contact conditions, adjust each support roller pack support bidimensional and rotate, one dimension horizontally rotates, and is used to adjust the bus depth of parallelism, and one dimension is that rotate at the inclination angle, and assurance roller and product design are real joins, and both are well contacted;
5, adjustment finishes, and the LOAD CELLS 6 that is installed in scale pan base 2 table tops in the unwheeling at this moment is by the top 15 support scales pan 3 of weighing, and the location is weighed top and accurate location LOAD CELLS with protective device 9 realizations; Product is positioned on four groups of support rollers of the scale pan 3 and measures.
Quality, the axially measurement of barycenter: read the LOAD CELLS reading; Detector for displacement measuring 14 combines with linear measure longimetry benchmark 13 measures unwheeling scale spacing, derives and calculates required physical dimension, realizes quality, axially barycenter measurement;
The laterally measurement of barycenter: quality, axial barycenter measurement finish, driving rolls group 5 is slowly rotated, drive product and slowly rotate, angle measurement roller set 7 is measured the corner in a week or several weeks, realizes horizontal barycenter measurement according to each corresponding angle LOAD CELLS reading variation and special data processing.

Claims (7)

1. split type unwheeling scale that is used for Measuring Object quality barycenter, it is characterized in that: described split type unwheeling scale comprises two groups of unwheeling scales that are oppositely arranged in orbit, and every group of unwheeling scale comprises that the below is provided with the unwheeling chassis (1) of travelling wheel, is installed in the scale pan base (2) on unwheeling chassis, the LOAD CELLS (6), the frame that are installed in scale pan base is placed on the scale pan (3) on the LOAD CELLS (6); Side in the scale pan left and right sides of one group of unwheeling scale in two groups of unwheeling scales is equipped with driving rolls group (5) by the displacement adjusting mechanism, and opposite side is equipped with angle measurement roller set (7) by the displacement adjusting mechanism; The scale pan left and right sides at another group unwheeling scale respectively is equipped with one group of supplemental support roller set (8) by the displacement adjusting mechanism; One group of unwheeling scale of two groups of unwheeling scales is provided with the detector for displacement measuring (14) that is used to detect distance between two groups of unwheeling scales, and another group unwheeling scale is provided with linear measure longimetry benchmark (13); The described scale pan (3) is placed on the LOAD CELLS (6) by weigh top (15) that are arranged on its bottom surface.
2. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 1 is characterized in that: described scale pan base (2) combines with unwheeling chassis (1) with the frame mode that can carry out two degree of freedom adjustment in length and breadth with respect to unwheeling chassis (1).
3. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 1 is characterized in that: the slide device that roller supporting seat (4) that described displacement adjusting mechanism drives by the adjustment handwheel (12) that is used to drive leading screw, by leading screw and the guide rail that cooperatively interacts, slide block are formed is formed.
4. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 1; it is characterized in that: the LOAD CELLS (6) that is installed in each scale pan base all is made up of four LOAD CELLS (6); dress is separately positioned on the Si Jiaochu of scale pan base (2), and is provided with can realize weighing at the installed position of each LOAD CELLS (6) and toply puts (9) with the accurate location of LOAD CELLS with to location and protection that LOAD CELLS is protected.
5. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 1, it is characterized in that: the wheel pack support of described driving rolls group (5), angle measurement roller set (7) and supplemental support roller set (8) all has the bidimensional rotational freedom, one dimension is to horizontally rotate, be used to adjust the bus depth of parallelism, one dimension is that rotate at the inclination angle, and assurance roller and product design are real joins.
6. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 1 is characterized in that: be provided with the unwheeling scale device for positioning and securing (11) that feasible system is in the stably measured state in unwheeling chassis (1) below.
7. the split type unwheeling scale that is used for Measuring Object quality barycenter according to claim 4; it is characterized in that: described location is put (9) and is comprised by combining with scale pan base (2) end face with protection; the guide holder and the upper end that are provided with the taper pilot hole combine with the scale pan (3) bottom surface; the lower end is inserted into the detent mechanism that the locating cone bar in the guide holder taper pilot hole is formed, and by combining with scale pan base (2) end face; support goalpost and bottom surface that the top is provided with the spherical strong point contact with the spherical strong point; combine with the scale pan (3) the bottom surface protection mechanism of supporting seat composition of upper end.
CN2010202146240U 2010-06-03 2010-06-03 Split vehicle-mounted scale for measuring centers of masses of objects Expired - Fee Related CN201707121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202146240U CN201707121U (en) 2010-06-03 2010-06-03 Split vehicle-mounted scale for measuring centers of masses of objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202146240U CN201707121U (en) 2010-06-03 2010-06-03 Split vehicle-mounted scale for measuring centers of masses of objects

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CN201707121U true CN201707121U (en) 2011-01-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222958A (en) * 2015-11-20 2016-01-06 江南工业集团有限公司 A kind of center mass measuring device of elongated member and measuring method
CN110132489A (en) * 2019-06-26 2019-08-16 长春理工大学 A kind of centroid measurement instrument
CN111528632A (en) * 2020-07-03 2020-08-14 支付宝(杭州)信息技术有限公司 Intelligent device for displaying articles and method of article monitoring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222958A (en) * 2015-11-20 2016-01-06 江南工业集团有限公司 A kind of center mass measuring device of elongated member and measuring method
CN110132489A (en) * 2019-06-26 2019-08-16 长春理工大学 A kind of centroid measurement instrument
CN111528632A (en) * 2020-07-03 2020-08-14 支付宝(杭州)信息技术有限公司 Intelligent device for displaying articles and method of article monitoring

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110112

Termination date: 20150603