CN101576405B - Integral axle weight scale for road vehicle and mounting method thereof - Google Patents
Integral axle weight scale for road vehicle and mounting method thereof Download PDFInfo
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- CN101576405B CN101576405B CN2009100274091A CN200910027409A CN101576405B CN 101576405 B CN101576405 B CN 101576405B CN 2009100274091 A CN2009100274091 A CN 2009100274091A CN 200910027409 A CN200910027409 A CN 200910027409A CN 101576405 B CN101576405 B CN 101576405B
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Abstract
The invention relates to an integral axle weight scale for a road vehicle, which comprises a weighing platform, weighing sensors and a weighing meter. The weighing platform comprises a weighing platform panel, a netlike rib plate on the bottom surface of the weighing platform panel, and two longitudinal end plates; at least more than two weighing sensors are arranged on a box-shaped scale base, output signal wires of the weighing sensors after passing through a junction box are connected to the weighing meter, more than two spherical seats on the bottom surface of the weighing platform panel are pressed and jointed to the weighing sensors, and the height between the top surface of the weighing platform panel and the bottom surface of the box-shaped scale base is between 60 and 120 millimeters; a pedestal of the box-shaped scale base is provided with a drain hole, the inner peripheral wall of the box wall is provided with a sealing seat, a flexible sealing element is arranged in the sealing seat, and the weighing platform panel is hermetically connected with the box-shaped scale base through the flexible sealing element; and the box-shaped scale base and the weighing platform are provided with a link stopper for limiting the weighing platform, a longitudinal limit element, a transverse limit element and a vertical limit element. The integral axle weight scale has the characteristics of convenient installation, reliable use, low integral height and high weighing precision.
Description
Technical field
The present invention relates to a kind of integral axle weight scale for road vehicle and installation method thereof, belong to dynamic or/and the weighing technology field of static road vehicle.
Background technology
For the weight metering charging of highway, standard highway and weighing of transfiniting and detect, mainly adopt weighing platform formula or bended plate type axle weight scale.This two series products application at present is comparatively extensive, but applies through batch in a few years, also exposes significantly not enough separately.Weighing platform formula axle weight scale adopts the weighing platform and the load cell structure of standard, as CN2350747Y disclosed " automobile axle load measuring apparatus ", this gravity measure device comprises is located at below ground, the box beam that upper surface and ground maintain an equal level, this box beam is made up of upper and lower surface and middle support body, each affixed one turns over beam on overhead along the both sides of this box beam, and it is into a single integrated structure with box beam and do not contact with the earth to turn over beam on this; Respectively be provided with LOAD CELLS under the beam turning on the both sides, this LOAD CELLS all with on turn over beam and the earth and contact and be connected.The advantage of the gravity measure device of said structure is that the dynamic weighing precision is higher, and its gross weight precision is generally ± 2.5%F.S., and improvement cost is lower; Will carry out bigger civil engineering but also exist, the transformation cycle is longer, the problem of the less stable of gravity measure device, the regular maintenance of need in the use.And the bended plate type axle weight scale is to adopt the bended plate type LOAD CELLS, respectively referring to CN2746375Y disclosed " sound attitude weigh board-like sensor ", CN2864625Y disclosed " parallel bending-type dynamic shaft restatement amount weigh bent plate sensor " and US4,098,365 disclosed " Device for the Measurement of Wheel or Axle Loads ofRoad Vehicles " mainly are made up of the rectangular elastomer of an independent stressed and some strain gauge elements of being pasted on below the elastic body.The advantage of bended plate type axle weight scale is that less foundation construction, transformation cycle is shorter, and maintenance workload is less relatively in the use; Shortcoming is that the dynamic weighing precision is lower, and the gross weight precision is generally ± 5%F.S. usually, and particularly the unbalance loading poor-performing to having relatively high expectations of installing, is difficult to adapt to the highway weight metering charging and the weighing precision requirement of the detection of transfiniting.
Summary of the invention
Technical matters to be solved by this invention provides a kind of easy for installation, uses reliably, and whole height is low, integral axle weight scale for road vehicle that weighing precision is high and installation method thereof.
The present invention is that the technical scheme that addresses the above problem is: a kind of integral axle weight scale for road vehicle, comprise weighing platform, LOAD CELLS and weighing instrument, it is characterized in that: described weighing platform comprises the weighing platform panel, the netted gusset of weighing platform panel bottom surface and two vertical end plates, at least plural LOAD CELLS is installed on the box-shaped scale base, the output signal line of LOAD CELLS inserts weighing instrument after terminal box, the plural spheric seating in weighing platform panel bottom surface is crimped on the LOAD CELLS, and the height between the bottom surface of the end face of weighing platform panel and box-shaped scale base is between 60～120mm; The base of described box-shaped scale base has osculum, the tank wall internal perisporium is provided with sealing socket, and flexible seals is installed in the sealing socket, and the weighing platform panel is tightly connected by flexible seals and box-shaped scale base; Be equipped with the spacing collision block of weighing platform, longitudinal spacing spare, cross spacing spare and vertical locating part on described box-shaped scale base and the weighing platform.
The scale body installation method of vehicle axle weight scale of the present invention is characterized in that: two axle weight scales are horizontal alternately or parallel being installed on the track, fix with epoxide-resin glue between the box-shaped scale base of axle weight scale and the concrete.
The present invention adopts the advantage of technique scheme to be:
1, the present invention is provided with netted gusset in weighing platform panel bottom, make weighing platform have good physical strength, so can reduce the weighing platform height, weighing platform directly is crimped on the LOAD CELLS by the spheric seating on weighing platform panel top, make weighing platform, box-shaped scale base and LOAD CELLS be designed to one, the height of axle weight scale can be controlled between 60～120mm, and weighing precision can reach ± 2.5%F.S., can realize the Fast Installation of axle weight scale, need not loaded down with trivial details foundation construction, satisfy the road vehicle weight metering charging better and the demand of weighing such as the detection of transfiniting.
2, the present invention will adopt hermetic structural design between weighing platform and the box-shaped scale base, select the LOAD CELLS of degree of protection IP68 for use, the bottom design of box-shaped scale base has osculum in addition, guarantee axle weight scale can be under dust, silt and rainwater environment reliably working, non-maintaining.
3, the present invention is designed to modular construction with weighing platform, box-shaped scale base and LOAD CELLS, and each parts has relative independence again simultaneously, and LOAD CELLS can split out maintenance or change the reduction cost of equipment maintenance in the box-shaped scale base easily.
4, the present invention is by being installed in collision block, longitudinal spacing spare, cross spacing spare and the vertical locating part on box-shaped scale base and the weighing platform; realize that weighing platform vertically reaches the spacing of horizontal and weighing platform vertical direction; when guaranteeing accurately to weigh, can realize the effective surge protection of LOAD CELLS; safe and reliable, sturdy and durable.
5, the present invention is horizontal alternately or be arranged in parallel on the track with two axle weight scales, successively the weight to vehicle axles detects, the weighting error that can reject Uneven road or Vehicular vibration preferably and cause, improve the dynamic weighing precision, and fix with epoxide-resin glue between the box-shaped scale base of axle weight scale and the concrete, realize Fast Installation.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is the structural representation of axle weight scale of the present invention.
Fig. 2 is the sectional structure chart of the A-A of Fig. 1.
Fig. 3 is the structural representation of weighing platform of the present invention.
Fig. 4 is the B-B sectional structure synoptic diagram of Fig. 3.
Fig. 5 is a floor plan synoptic diagram of the present invention.
Fig. 6 is the mounting structure synoptic diagram of axle weight scale of the present invention.
Wherein: the 1-weighing platform; 1-1-weighing platform panel; The 1-2-inner end plate; The horizontal gusset of 1-3-; The vertical end plate of 1-4-; The 1-5-seal trim strip; The vertical gusset of 1-6-; 1-7-side gusset; 1-8-bottom shrouding; The 1-9-internal stop; 2-box-shaped scale base; The 2-1-sealing socket; The 2-2-osculum; The vertical locating part of 3-; The 3-1-double-screw bolt; The 3-2-set nut; 4-longitudinal spacing spare; The 5-collision block; 6-cross spacing spare; The 7-LOAD CELLS; 8-second cover plate; 9-first cover plate; The 10-flexible seals; The 11-spheric seating.
Embodiment
Integral axle weight scale for road vehicle of the present invention comprises weighing platform 1, LOAD CELLS 7 and weighing instrument.See shown in Fig. 1～4, weighing platform 1 of the present invention comprises weighing platform panel 1-1, is fixed on netted gusset and two vertical end plate 1-4 of weighing platform panel 1-1 bottom, make weighing platform 1 have the favorable mechanical performance and realize slim weighing platform structural design, the height of this weighing platform 1 is between 50～110mm.See Fig. 1, shown in 2, the plural at least LOAD CELLS 7 of the present invention is installed on the box-shaped scale base 2, this LOAD CELLS 7 can adopt column type sensor, the button ring type sensor, the LOAD CELLS of low clearances such as radial sensor or circular plate type sensor, 2-8 LOAD CELLS 7 can be separately positioned on avris or angle seat place on the box-shaped scale base 2, insert weighing instrument (not looking out among the figure) behind the output signal line thereto of LOAD CELLS 7, LOAD CELLS 7 output simulating signals are sent into weighing instrument, through amplifying, filter, A/D converts digital signal corresponding to, send into data processor and handle through mathematical operation and dynamic compensation again and obtained actual gravimetric value, show and serve bit machine and further handle by weighing instrument.Weighing platform panel 1-1 of the present invention is at netted gusset and vertically have four spheric seatings 11 between the end plate 1-4, spheric seating 11 is crimped on the LOAD CELLS 7, transmit pressure by sphere, can guarantee the accuracy of metering, height between weighing platform panel 1-1 end face and box-shaped scale base 2 bottom surfaces drops to the height of axle weight scale minimum between 60～120mm.
See shown in Fig. 3～4, netted gusset on the weighing platform 1 of the present invention comprises continuous vertical gusset 1-6 and horizontal gusset 1-3 and is positioned at the inner end plate 1-2 at horizontal gusset 1-3 two ends, vertically two adjacent vertical gusset 1-6 interlace and are connected with horizontal gusset 1-3, and the bottom surface of netted gusset also has bottom shrouding 1-8 to constitute the box structure of sealing, alleviate the weight of weighing platform and further improve the weighing platform physical strength, weighing platform 1 of the present invention can adopt welding or casting to make.The base of box-shaped scale base 2 of the present invention has osculum 2-2, the tank wall internal perisporium is provided with sealing socket 2-1, flexible seals 10 is installed in the sealing socket 2-1, weighing platform panel 1-1 is connected with flexible seals 10 labyrinth seals, see Fig. 2, shown in 4, the present invention is for ease of producing and installing, surrounding in weighing platform panel 1-1 bottom surface also is fixed with seal trim strip 1-5, the cross section of sealing press strip 1-5 can be T shape or I shape structure, seal trim strip 1-5 is plugged in the notch of flexible seals 10 and with flexible seals 10 notch two sides and joins, and flexible seals 10 tops are arranged between weighing platform panel 1-1 and box-shaped scale base 2 inwalls, the cross section of these flexible seals 10 middle and lower parts is V-arrangement or U-shaped or concave shape, can make weighing platform 1 form labyrinth seal with box-shaped scale base 2 is connected, so axle weight scale is at dust, reliably working under silt and the rainwater environment reaches non-maintaining purpose.
See shown in Fig. 1,2; axle weight scale of the present invention is when guaranteeing accurately to weigh; can realize LOAD CELLS 7 effective surge protections, collision block 5, longitudinal spacing spare 4, cross spacing spare 6 and the vertical locating part 3 spacing to weighing platform 1 are installed on box-shaped scale base 2 and the weighing platform 1.Longitudinal spacing spare 4 of the present invention is longitudinally adjustable to be installed in the both sides of weighing platform or box-shaped scale base 2, can be as Fig. 1, longitudinal spacing spare shown in 24 adopt bolts and be installed in netted gusset with vertical end plate 1-4 between on the side gusset 1-7, and cross spacing spare 6 is along the horizontal adjustable both sides that are installed in weighing platform 1 or box-shaped scale base 2, see Fig. 1, shown in 2,6 of this cross spacing spares are installed in the outer end of netted gusset or are installed on vertical end plate 1-4 the inner, and collision block 5 is installed on box-shaped scale base 2 or the weighing platform 1, as Fig. 1, shown in 2, this collision block 5 is fixed on the box-shaped scale base 2, longitudinal spacing spare 4 and cross spacing spare 6 have vertical and horizontal with collision block 5 and adjust spacing, vertical and horizontal are adjusted spacing between 0～1mm, weighing platform panel 1-1 correspondence has the first debugging hole, and 9 sealings of first cover plate are installed on the first debugging hole.See Fig. 1, shown in 2, vertical locating part 3 of the present invention is made of perpendicular double-screw bolt 3-1 and the set nut 3-2 that puts the both sides that are fixed on box-shaped scale base 2, the internal stop 1-9 that double-screw bolt 3-1 passes on the weighing platform 1 is connected with set nut 3-2, has vertical adjustment spacing between set nut 3-2 and the internal stop 1-9, the vertical spacing of adjusting is between 0～1mm, weighing platform panel 1-1 correspondence is provided with the second debugging hole, 8 sealings of second cover plate are installed in place, the second debugging hole, the present invention can be after axle weight scale be installed, conveniently regulate the vertical and horizontal distance between longitudinal spacing spare 4 and cross spacing spare 6 and the collision block 5, and regulate the realization vertical interval by set nut 3-2.
See shown in Fig. 5,6, the present invention is horizontal alternately or parallel being installed on the track with two axle weight scales, the weighting error that causes so can reject Uneven road or Vehicular vibration, raising dynamic weighing precision, fix with epoxide-resin glue between the box-shaped scale base 2 of axle weight scale and the concrete, realize Fast Installation.When vehicle passes through integral axle weight scale for road vehicle of the present invention respectively, the weight of vehicle axles affacts on the LOAD CELLS 7 of weighing platform 1 bottom by left and right wheel and weighing platform 1, LOAD CELLS 7 output simulating signals are sent into weighting display instrument and are converted digital signal corresponding to through amplification, filtration, A/D, send into data processor and handle through mathematical operation and dynamic compensation again and obtained actual gravimetric value, show and serve bit machine and further handle by digital display screen.
Claims (7)
1. integral axle weight scale for road vehicle, comprise weighing platform (1), LOAD CELLS (7) and weighing instrument, it is characterized in that: described weighing platform (1) comprises weighing platform panel (1-1), the netted gusset of weighing platform panel (1-1) bottom surface and two vertical end plates (1-4), plural LOAD CELLS (7) is installed on the box-shaped scale base (2), the output signal line of LOAD CELLS (7) inserts weighing instrument through terminal box, the plural spheric seating in weighing platform panel (1-1) bottom surface (11) is crimped on the LOAD CELLS (7), and the height between the bottom surface of the end face of weighing platform panel (1-1) and box-shaped scale base (2) is between 60～120mm; The base of described box-shaped scale base (2) has osculum (2-2), the tank wall internal perisporium is provided with sealing socket (2-1), flexible seals (10) is installed in the sealing socket (2-1), and weighing platform panel (1-1) is tightly connected by flexible seals (10) and box-shaped scale base (2); Be equipped with the spacing collision block (5) of weighing platform (1), longitudinal spacing spare (4), cross spacing spare (6) and vertical locating part (3) on described box-shaped scale base (2) and the weighing platform (1).
2. integral axle weight scale for road vehicle according to claim 1 is characterized in that: four the above spheric seatings (11) between described netted gusset and the vertical end plate (1-4) are crimped on the LOAD CELLS (7).
3. integral axle weight scale for road vehicle according to claim 1 is characterized in that: described LOAD CELLS (7) is column type sensor, button ring type sensor, radial sensor or circular plate type sensor.
4. integral axle weight scale for road vehicle according to claim 1 and 2, it is characterized in that: described netted gusset comprises continuous vertical gusset (1-6) and laterally gusset (1-3) and the inner end plate (1-2) that is positioned at horizontal gusset (1-3) two ends, vertically two adjacent vertical gussets (1-6) interlace and are connected with horizontal gusset (1-3), and the bottom surface of netted gusset also has bottom shrouding (1-8).
5. integral axle weight scale for road vehicle according to claim 1, it is characterized in that: the surrounding of described weighing platform panel (1-1) bottom surface also is fixed with seal trim strip (1-5), seal trim strip (1-5) is plugged in the notch of flexible seals (10) and with flexible seals (10) notch two sides and joins, and flexible seals (10) top is arranged between weighing platform panel (1-1) and box-shaped scale base (2) inwall.
6. integral axle weight scale for road vehicle according to claim 1, it is characterized in that: described longitudinal spacing spare (4) is longitudinally adjustable to be installed in the both sides of weighing platform or box-shaped scale base (2), cross spacing spare (6) is along the horizontal adjustable both sides that are installed in weighing platform or box-shaped scale base (2), longitudinal spacing spare (4) and cross spacing spare (6) have vertical and horizontal adjustment spacing with the collision block (5) that is installed on box-shaped scale base (2) or the weighing platform, vertical and horizontal are adjusted spacing between 0～1mm, and weighing platform panel (1-1) correspondence has the first debugging hole, and first cover plate (9) sealing is installed on the first debugging hole.
7. integral axle weight scale for road vehicle according to claim 1, it is characterized in that: described vertical locating part (3) is made of perpendicular double-screw bolt (3-1) and the set nut (3-2) of putting the both sides that are fixed on box-shaped scale base (2), the internal stop (1-9) that double-screw bolt (3-1) passes on the weighing platform (1) is connected with set nut (3-2), and has vertical adjustment spacing between set nut (3-2) and the internal stop (1-9), the vertical spacing of adjusting is between 0～1mm, weighing platform panel (1-1) correspondence is provided with the second debugging hole, and second cover plate (8) sealing is installed in place, the second debugging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100274091A CN101576405B (en) | 2009-05-05 | 2009-05-05 | Integral axle weight scale for road vehicle and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100274091A CN101576405B (en) | 2009-05-05 | 2009-05-05 | Integral axle weight scale for road vehicle and mounting method thereof |
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| Publication Number | Publication Date |
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| CN101576405A CN101576405A (en) | 2009-11-11 |
| CN101576405B true CN101576405B (en) | 2010-12-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107449497B (en) * | 2017-09-11 | 2018-12-28 | 广州中衡称重设备有限公司 | A kind of steel structure concrete type truck scale and its installation method |
| CN110095173B (en) * | 2019-05-22 | 2021-02-19 | 西安航天三沃机电设备有限责任公司 | Weighing method of axle group scale |
| CN110805059B (en) * | 2019-11-21 | 2021-04-09 | 陕西阳明交通科技有限公司 | Installation and construction process of highway weighing equipment |
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