CN211904386U - Mounting base of weighing sensor - Google Patents
Mounting base of weighing sensor Download PDFInfo
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- CN211904386U CN211904386U CN202020703531.8U CN202020703531U CN211904386U CN 211904386 U CN211904386 U CN 211904386U CN 202020703531 U CN202020703531 U CN 202020703531U CN 211904386 U CN211904386 U CN 211904386U
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- base
- upper cover
- connecting piece
- weighing unit
- cavity
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Abstract
The utility model provides a mounting seat of a weighing sensor, which comprises a weighing unit, an upper cover and a base, wherein a positioning groove is arranged on a road surface, the weighing unit is arranged in the positioning groove, the upper cover and the base are both arranged in the positioning groove, the surface of one end of the weighing unit, which is far away from the road surface, is propped against the surface of the base, one end of the weighing unit, which is close to the road surface, is propped against the surface of the upper cover, and the upper cover and the base are both fixedly connected with the weighing unit; the base is fixedly connected with the inner surface of the positioning groove. The utility model discloses a set up upper cover and the base that surrounds the weighing unit outward in the constant head tank for the detection face of each weighing unit all is located the coplanar, eliminates the inconsistent problem of output that each weighing unit leads to because of installation error, improves the reliability and the stability that overload detected.
Description
Technical Field
The utility model relates to a sensor technical field especially relates to a weighing sensor's mount pad.
Background
With the continuous development of national economy, the infrastructure construction and logistics industry of China enter a rapid development period. The monitoring of vehicle overload phenomena is to be realized in road overload detection, and frequent weighing operations are required in application scenes of transportation, storage, transportation, packaging, distribution and the like in the logistics industry, so that the demand of people on rapid, reliable and accurate dynamic weighing is increasingly large.
When the weighing units of the weighing sensor are installed, positioning grooves need to be excavated in advance in the width direction of a road in advance, the weighing units are sequentially placed in the positioning grooves, the positions of the weighing units and the working surfaces of the weighing units cannot be completely located on the same working plane, the consistency of weighing signals output by the weighing units is poor, the reliability and the precision of measurement can be reduced, and the reliability of weighing detection is affected.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a weighing sensor's mount pad for burying the uniformity of weighing sensor detection face, improving measurement accuracy and reliability with improving.
The technical scheme of the utility model is realized like this: the utility model provides a mounting seat of a weighing sensor, which comprises a weighing unit (1), wherein a positioning groove (2) is arranged on the road surface, the weighing unit (1) is arranged in the positioning groove (2), the mounting seat also comprises an upper cover (3) and a base (4), the upper cover (3) and the base (4) are both arranged in the positioning groove (2), the surface of one end of the weighing unit (1) far away from the road surface is propped against the surface of the base (4), one end of the weighing unit (1) close to the road surface is propped against the surface of the upper cover (3), and the upper cover (3) and the base (4) are both fixedly connected with the weighing unit (1); the base (4) is fixedly connected with the inner surface of the positioning groove (2).
On the basis of the technical scheme, preferably, the upper cover (3) and the base (4) are both U-shaped; the opening directions of the upper cover (3) and the base (4) are oppositely arranged, the weighing unit (1) is arranged in the openings of the upper cover (3) and the base (4), and the surface of the weighing unit (1) is respectively propped against the surfaces of the openings of the upper cover (3) and the base (4).
Further preferably, the surface of one end of the upper cover (3) close to the road surface does not exceed the plane of the road surface.
Preferably, a crack pouring adhesive (5) is filled between the upper cover (3) and the positioning groove (2) and between the base (4) and the positioning groove (2), and the upper cover (3) or the base (4) is bonded in the positioning groove (2) by the crack pouring adhesive (5); the crack pouring glue (5) on the surface of one end of the upper cover (3) close to the road surface is flush with the road surface.
Still further preferably, the surfaces of the upper cover (3) and the base (4) are provided with grooves (6), and the grooves (6) are filled with crack pouring glue (5).
Further preferably, the weighing unit (1) comprises a bottom plate (11), a top plate (12), two side plates (13), an elastic body (14) and a strain resistance sheet (15), wherein the two side plates (13) are fixed on the surface of the bottom plate (11), the elastic body (14) is arranged on the surface of the bottom plate (11) and located between the two side plates (13), and the top plate (12) is attached to the top surface of the elastic body (14) and located between the two side plates (13); a plurality of cavities (140) are arranged in the elastic body (14), and the strain resistance sheet (15) is attached to the surface of each cavity (140); the bottom plate (11), the two side plates (13) and one end of the elastic body (14) far away from the ground are propped against the surface of the base (4); the top plate (12), the two side plates (13) and one end of the elastic body (14) close to the ground are propped against the surface of the upper cover (3).
Still further preferably, the elastic body (14) comprises a top connecting sheet (141), a bottom connecting sheet (142), a first connecting block (143), a second connecting block (144) and an intermediate connecting sheet (145), wherein the upper surface of the top connecting sheet (141) is attached to the bottom surface of the top plate (12); the lower surface of the bottom connecting sheet (142) is attached to the upper surface of the bottom plate (11); an intermediate connecting piece (145) is arranged between the top connecting piece (141) and the bottom connecting piece (142), the bottom of the top connecting piece (141) is connected with the top of the intermediate connecting piece (145) through a first connecting block (143), and the bottom of the intermediate connecting piece (145) is connected with the top of the bottom connecting piece (142) through a second connecting block (144).
Still further preferably, a middle cavity (1400) is arranged at the center of the middle connecting sheet (145), a left cavity (1401) and a right cavity (1402) are symmetrically arranged on the outer side of the middle connecting sheet (145), and strain resistance discs (15) are arranged on the surfaces of the middle connecting sheet (145) in contact with the left cavity (1401), the middle cavity (1400) and the right cavity (1402).
Further preferably, a top cavity (1403) is symmetrically arranged on the side of the first connecting block (143), a bottom cavity (1404) is symmetrically arranged on the side of the second connecting block (144), and both the top cavity (1403) and the bottom cavity (1404) are communicated with the left cavity (1401) or the right cavity (1402).
More preferably, the elastic body further comprises two end face cover plates (16), the end face cover plates (16) are arranged at two ends of the elastic body (14), the side faces of the end face cover plates (16) are respectively connected with the side plates (13), one end, close to the ground, of each end face cover plate (16) is connected with the bottom of the top plate (12), and one end, far away from the ground, of each end face cover plate (16) is connected with the top of the bottom plate (11).
Still more preferably, a limit position of the deformation of the elastic body (14) in the vertical direction corresponds to a position at which the upper cover (3) and the opening of the base (4) abut against each other.
The utility model provides a pair of weighing sensor's mount pad for prior art, has following beneficial effect:
(1) the utility model discloses an upper cover and the base that surround the weighing unit outside setting up in the constant head tank, make the detection face of each weighing unit all lie in the coplanar, eliminate the inconsistent problem of output that each weighing unit leads to because of the installation error, improve the reliability and the stability of overload detection;
(2) the upper cover and the base respectively semi-surround the weighing unit, so that the position of the weighing unit can be limited and the weighing unit is prevented from moving;
(3) the joint pouring glue is filled among the upper cover, the base and the positioning groove, has good ductility and excellent toughness and shock resistance after being cured, and enables the mounting base to be integrated with the road surface;
(4) the middle cavity, the left cavity and the right cavity are arranged in the elastic body, the cavities are relatively independent and stable in environment, are not easily interfered by external factors, the stability and the reliability of measurement of the weighing unit can be ensured, and temperature compensation is not needed;
(5) the middle connecting sheet of the elastic body can deform under the action of external force, the elastic body can restore to the original shape after the external force is cancelled, the strain resistance chip can output a measuring signal through the deformation of the middle connecting sheet instead of directly bearing the impact of a vehicle, and the elastic body is not easy to damage;
(6) the end face cover plate can be provided with wiring holes for strain resistance discs, and the wiring structure of the weighing unit is optimized;
(7) the recess on upper cover and base surface can improve the area of contact of pouring sealant and upper cover and base, strengthens the utility model discloses the adhesive force on structure and ground.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a mounting base of a weighing sensor of the present invention;
fig. 2 is a front view of the installation seat of the weighing sensor of the present invention installed on a road surface;
FIG. 3 is a perspective view of the combination of the upper cover and the base of the mounting base of the weighing sensor of the present invention;
fig. 4 is a perspective view of a base of a mounting seat of a weighing sensor according to the present invention;
fig. 5 is a perspective view of an upper cover of a mounting seat of a weighing sensor according to the present invention;
fig. 6 is a perspective view of a weighing unit of a mounting base of a weighing sensor of the present invention;
FIG. 7 is a front view, in half section, of a structure of a mounting base weighing cell of a load cell of the present invention;
FIG. 8 is a front view, in half section, of an alternative construction of a load cell mounting base of the load cell of the present invention;
FIG. 9 is a front view, partly in cross-section, of a third configuration of a load cell of a mounting base of a load cell of the present invention;
fig. 10 is a front view of the mounting state of the end cover plate of the mounting seat weighing unit of the weighing sensor of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 combined with fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides a mounting seat of weighing sensor, including weighing unit 1, upper cover 3 and base 4, locating slot 2 has been seted up on the road surface, weighing unit 1 sets up in locating slot 2, upper cover 3 and base 4 all set up in locating slot 2, the surface of weighing unit 1 far away from the one end on the road surface supports with base 4 surface, the one end of weighing unit 1 near the road surface supports with upper cover 3 surface, upper cover 3 and base 4 all with weighing unit 1 fixed connection; the base 4 is fixedly connected with the inner surface of the positioning groove 2. It can be known from the figure that the weighing unit 1 is not directly placed in the constant head tank 2, but fixes the base 4 in the constant head tank 2 in advance, places the weighing unit 1 on the base 4, then sets up the upper cover 3 on the weighing unit 1, packs concrete, pitch or other filling materials into the constant head tank 2 afterwards, fills up the gap between constant head tank 2 and upper cover 3 and base 4 for the filling material and the road surface parallel and level of the top of the upper cover 3 after filling and both sides thereof. The illustrated base 4 may have a length greater than the length of the weighing cells 1, and a plurality of weighing cells 1 may be arranged in succession within one base 4; because each weighing unit 1 is semi-surrounded by the upper cover 3 and the base 4, and the upper cover 3 and the base 4 have rigidity, the mounting seat with the structure can respectively align the mounting surface and the detection surface of each weighing unit 1, thereby improving the consistency of the output signals of the weighing units 1 and the reliability of weighing measurement.
As shown in fig. 1 and fig. 2, the upper cover 3 and the base 4 are both U-shaped; the opening directions of the upper cover 3 and the base 4 are oppositely arranged, and the weighing unit 1 is arranged in the opening of the upper cover 3 and the base 4. The surface of one end of the upper cover 3 close to the road surface does not exceed the plane of the road surface. The inner surfaces of the cover 3 and the base 4 can be conformed to the outer surface of the weighing cell 1. In order to keep the road surface beautiful, the surface of one end of the upper cover 3 close to the road surface is lower than the plane of the road surface, so that the weighing unit 1 can be hidden under the road surface or flush with the road surface.
As an improvement of the utility model, a crack pouring glue 5 is filled between the upper cover 3 and the positioning groove 2 and between the base 4 and the positioning groove 2, and the crack pouring glue 5 bonds the upper cover 3 or the base 4 in the positioning groove 2; the crack pouring glue 5 on the surface of one end of the upper cover 3 close to the road surface is flush with the road surface. The joint sealing glue 5 can be filled in a mode of mixing epoxy resin and a curing agent.
As shown in fig. 4 and 5, grooves 6 are formed in the surfaces of the upper cover 3 and the base 4, and the grooves 6 are filled with crack pouring glue 5. The recess 6 on upper cover 3 and 4 surfaces of base can increase the area of contact of pouring sealant 5 rather than the surface, makes upper cover 3 and 4 positions more stable in constant head tank 2 with the base.
As shown in fig. 6-9, the weighing unit 1 includes a bottom plate 11, a top plate 12, two side plates 13, an elastic body 14 and a strain resistance sheet 15, wherein the two side plates 13 are fixed on the surface of the bottom plate 11, the elastic body 14 is disposed on the surface of the bottom plate 11 and located between the two side plates 13, and the top plate 12 is attached to the top surface of the elastic body 14 and located between the two side plates 13; a plurality of cavities 140 are arranged in the elastic body 14, and the strain resistance sheet 15 is attached to the surface of the cavities 140; the bottom plate 11, the two side plates 13 and one end of the elastic body 14 far away from the ground are propped against the surface of the base 4; the top plate 12, the two side plates 13 and the end of the elastic body 14 close to the ground are abutted against the surface of the upper cover 3.
Specifically, as shown in fig. 7, 8 and 9, the elastic body 14 includes a top connection piece 141, a bottom connection piece 142, a first connection block 143, a second connection block 144 and an intermediate connection piece 145, and an upper surface of the top connection piece 141 is attached to a bottom surface of the top plate 12; the lower surface of the bottom connecting sheet 142 is attached to the upper surface of the bottom plate 11; an intermediate connecting piece 145 is arranged between the top connecting piece 141 and the bottom connecting piece 142, the bottom of the top connecting piece 141 is connected with the top of the intermediate connecting piece 145 through a first connecting block 143, and the bottom of the intermediate connecting piece 145 is connected with the top of the bottom connecting piece 142 through a second connecting block 144. As can be seen from the figure, the top connection sheet 141, the bottom connection sheet 142, the first connection block 143, the second connection block 144 and the middle connection sheet 145 can adjust the direction of stress, so that the middle connection sheet 145 is only subjected to radial pressure in the vertical direction, the strain resistance sheet 15 is convenient to detect the deformation of the middle connection sheet 145, and the accuracy and reliability of weighing measurement are improved.
As shown in fig. 7, 8 and 9, a middle cavity 1400 is formed in the center of the middle connecting sheet 145, a left cavity 1401 and a right cavity 1402 are symmetrically formed outside the middle connecting sheet 145, and strain resistance discs 15 are disposed on the surfaces of the middle connecting sheet 145, which are in contact with the left cavity 1401, the middle cavity 1400 and the right cavity 1402. The illustration shows three configurations of the intermediate attachment piece 145, such as circular or rectangular. The shape of the intermediate air 1400 may be circular or dumbbell-shaped. The dumbbell-shaped structure of the middle cavity 1400 is beneficial to uniform vertical stress of the middle connecting sheet 145, is more sensitive to vertical deformation, and can improve the detection precision of the strain resistance sheet 15.
In fig. 7, 8 and 9, each of the left and right cavities 1401 and 1402 is formed by sequentially surrounding the bottom surface of the top connection plate 141, the side surface of the side plate 13, the upper surface of the bottom connection plate 142, the outer side surface of the second connection block 144, the outer side surface of the intermediate connection piece 145 and the outer side surface of the first connection block 143.
As shown in fig. 9, as a further improvement of the present invention, a top cavity 1403 is symmetrically disposed on the side of the first connecting block 143, a bottom cavity 1404 is symmetrically disposed on the side of the second connecting block 144, and both the top cavity 1403 and the bottom cavity 1404 are communicated with the left cavity 1401 or the right cavity 1402. In this embodiment, the intermediate connecting sheet 145 may be provided with semicircular grooves, so that the contact portions of the strain resistance sheets 15 on the inner and outer surfaces of the intermediate connecting sheet 145 have the same shape, thereby improving the strain amplitude and accuracy of the elastic body 14.
As a further improvement of the present invention, as shown in fig. 6 and 10, the weighing unit 1 further includes two end surface cover plates 16, the end surface cover plates 16 are disposed at two ends of the elastic body 14, the side surfaces of the end surface cover plates 16 are respectively connected with the side plates 13, one end of the end surface cover plate 16 close to the ground is connected with the bottom of the top plate 12, and one end of the end surface cover plate 16 far away from the ground is connected with the top of the bottom plate 11. The end cover plate 16 may be provided with a signal terminal hole and a power terminal hole, which facilitates routing of the strain resistance chip 15 and has a full-coating protection effect on the elastic body 14.
Further, as shown in fig. 7 to 9, dovetail grooves are provided on the contact surface between the elastic body 14 and the bottom plate 11 and the contact surface between the elastic body 14 and the top plate 12, and bosses corresponding to the dovetail grooves are provided on the bottom plate 11 and the top plate 12. The dovetail groove is matched with the boss in shape, so that the combination effect of the elastic body 14, the bottom plate 11 and the top plate 12 can be improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a weighing sensor's mount pad, includes weighing unit (1), and constant head tank (2) have been seted up on the road surface, and weighing unit (1) sets up in constant head tank (2), its characterized in that: the road surface weighing device is characterized by further comprising an upper cover (3) and a base (4), wherein the upper cover (3) and the base (4) are arranged in the positioning groove (2), the surface of one end, far away from the road surface, of the weighing unit (1) is abutted against the surface of the base (4), one end, close to the road surface, of the weighing unit (1) is abutted against the surface of the upper cover (3), and the upper cover (3) and the base (4) are fixedly connected with the weighing unit (1); the base (4) is fixedly connected with the inner surface of the positioning groove (2).
2. The mounting base of a load cell of claim 1, wherein: the upper cover (3) and the base (4) are both U-shaped; the opening directions of the upper cover (3) and the base (4) are oppositely arranged, the weighing unit (1) is arranged in the openings of the upper cover (3) and the base (4), and the surface of the weighing unit (1) is respectively propped against the surfaces of the openings of the upper cover (3) and the base (4).
3. A load cell mount according to claim 2, wherein: the surface of one end of the upper cover (3) close to the road surface does not exceed the plane of the road surface.
4. A load cell mount according to claim 3, wherein: the gap filling glue (5) is filled between the upper cover (3) and the positioning groove (2) and between the base (4) and the positioning groove (2), and the upper cover (3) or the base (4) is bonded in the positioning groove (2) through the gap filling glue (5); the crack pouring glue (5) on the surface of one end of the upper cover (3) close to the road surface is flush with the road surface.
5. The mounting bracket for a load cell of claim 4, wherein: the upper cover (3) and the base (4) are provided with grooves (6) on the surfaces, and the grooves (6) are filled with crack pouring glue (5).
6. A load cell mount according to claim 2, wherein: the weighing unit (1) comprises a bottom plate (11), a top plate (12), two side plates (13), an elastic body (14) and a strain resistance chip (15), wherein the two side plates (13) are fixed on the surface of the bottom plate (11), the elastic body (14) is arranged on the surface of the bottom plate (11) and located between the two side plates (13), and the top plate (12) is attached to the top surface of the elastic body (14) and located between the two side plates (13); a plurality of cavities (140) are arranged in the elastic body (14), and the strain resistance sheet (15) is attached to the surface of each cavity (140); the bottom plate (11), the two side plates (13) and one end of the elastic body (14) far away from the ground are propped against the surface of the base (4); the top plate (12), the two side plates (13) and one end of the elastic body (14) close to the ground are propped against the surface of the upper cover (3).
7. The mounting bracket for a load cell of claim 6, wherein: the elastic body (14) comprises a top connecting piece (141), a bottom connecting piece (142), a first connecting piece (143), a second connecting piece (144) and a middle connecting piece (145), and the upper surface of the top connecting piece (141) is attached to the bottom surface of the top plate (12); the lower surface of the bottom connecting sheet (142) is attached to the upper surface of the bottom plate (11); an intermediate connecting piece (145) is arranged between the top connecting piece (141) and the bottom connecting piece (142), the bottom of the top connecting piece (141) is connected with the top of the intermediate connecting piece (145) through a first connecting block (143), and the bottom of the intermediate connecting piece (145) is connected with the top of the bottom connecting piece (142) through a second connecting block (144).
8. The mounting bracket for a load cell of claim 7, wherein: the middle connecting piece (145) is provided with a middle cavity (1400) in the center, the outer side of the middle connecting piece (145) is further symmetrically provided with a left cavity (1401) and a right cavity (1402), and the surfaces of the middle connecting piece (145) in contact with the left cavity (1401), the middle cavity (1400) and the right cavity (1402) are respectively provided with a strain resistance sheet (15).
9. The mounting bracket for a load cell of claim 8, wherein: the side surface of the first connecting block (143) is symmetrically provided with a top cavity (1403), the side surface of the second connecting block (144) is symmetrically provided with a bottom cavity (1404), and the top cavity (1403) and the bottom cavity (1404) are communicated with the left cavity (1401) or the right cavity (1402).
10. The mounting bracket for a load cell of claim 6, wherein: the elastic rubber sealing gasket is characterized by further comprising two end face cover plates (16), the end face cover plates (16) are arranged at two ends of the elastic body (14), the side faces of the end face cover plates (16) are connected with the side plates (13) respectively, one end, close to the ground, of each end face cover plate (16) is connected with the bottom of the top plate (12), and one end, far away from the ground, of each end face cover plate (16) is connected with the top of the bottom plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703531.8U CN211904386U (en) | 2020-04-30 | 2020-04-30 | Mounting base of weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703531.8U CN211904386U (en) | 2020-04-30 | 2020-04-30 | Mounting base of weighing sensor |
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| Publication Number | Publication Date |
|---|---|
| CN211904386U true CN211904386U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020703531.8U Active CN211904386U (en) | 2020-04-30 | 2020-04-30 | Mounting base of weighing sensor |
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| Country | Link |
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| CN (1) | CN211904386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295249A (en) * | 2021-05-26 | 2021-08-24 | 四川奇石缘科技股份有限公司 | Spliced flat-plate composite dynamic truck scale and mounting method thereof |
-
2020
- 2020-04-30 CN CN202020703531.8U patent/CN211904386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295249A (en) * | 2021-05-26 | 2021-08-24 | 四川奇石缘科技股份有限公司 | Spliced flat-plate composite dynamic truck scale and mounting method thereof |
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Address after: Room 305, 3rd floor, No.3 Factory building, Guanggu Electronic Industrial Park, No.9, liufangyuan South Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Lu'an Electronic Technology Group Co.,Ltd. Address before: Room 305, 3rd floor, No.3 Factory building, Guanggu Electronic Industrial Park, No.9, liufangyuan South Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: WUHAN LU AN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |