CN210293410U - Double-beam type weighing sensor - Google Patents
Double-beam type weighing sensor Download PDFInfo
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- CN210293410U CN210293410U CN201921082119.2U CN201921082119U CN210293410U CN 210293410 U CN210293410 U CN 210293410U CN 201921082119 U CN201921082119 U CN 201921082119U CN 210293410 U CN210293410 U CN 210293410U
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Abstract
The utility model discloses a two beam type weighing sensor, including the sensor elastomer, the sensor elastomer on be provided with atress weighing area, two atresss weighing beam strain area and two fixed bearing district, atress weighing beam strain area symmetry set up in atress weighing area both sides, fixed bearing district set up in the outside of atress weighing beam strain area, the sensor elastomer of atress weighing area place on be provided with and two atresss weighing beam strain area assorted double-signal are qualified for the next round of competitions, the double-signal is qualified for the next round of competitions independent signal output. The double-beam weighing sensor greatly simplifies the force transmission structure of the sensor, does not need to additionally arrange a horizontal limiting device of the scale body, is particularly suitable for dynamic weighing of high-speed vehicles, can effectively reduce component force generated by deviation and vibration of the scale body when the high-speed vehicles pass through the scale body, and is favorable for improving the high-speed dynamic metering precision of the vehicles.
Description
Technical Field
The utility model relates to a sensor technical field, in particular to double beam formula weighing sensor that high-speed dynamic axle load balance was used.
Background
The weighing sensor that traditional car weighing apparatus used is independent signal output, mainly has following 3 kinds of structures: 1. the cantilever beam structure is fixed at one end of the sensor elastic body, and the other end of the sensor elastic body is freely stressed; 2. the two ends of the sensor elastomer are fixed, and the middle of the sensor elastomer is in a bridge structure which can be freely stressed; 3. the force bearing ends of the weighing sensors with the three structures are subjected to force transmission through an upper ball head, a lower ball head or a steel ball, the scale body is a floating type self-resetting structure, a movable gap is reserved between the scale body and the periphery of a base frame, and a top-hitting or pull-rod type horizontal limiting device is arranged below the scale body, so that the weighing sensor is suitable for the field of vehicle static or low-speed dynamic weighing.
When the weighing sensor of above-mentioned three kinds of structures was used to the high-speed dynamic weighing of vehicle, the vehicle was gone at a high speed and is produced very big horizontal impact force when passing through the balance body, the activity transmission link between the balance body and the sensor is more, cause the balance body vibrations from top to bottom acutely, make balance body and sensor produce the skew, seriously influence the weight transmission of sensor, can't reach the vehicle load dynamic weighing detection's that goes at a high speed required precision, sensor and horizontal stop device are impaired seriously under the impact of frequent vehicle, short service life, it is big to maintain work load, thereby make the weighing sensor of above-mentioned three kinds of structures can't be competent in the needs that the vehicle weighing detected that goes at a high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be applicable to two beam type weighing sensor that high-speed dynamic vehicle weighed, this two beam type weighing sensor changes traditional sensor weighing principle, two beam type weighing sensor's elastomer is long bar-type texture, both ends atress weighing beam produces deformation and carries out two way independent signal output, be favorable to the angular difference calibration of the balance body, need not to set up the horizontal stop device of the balance body separately, be particularly suitable for high-speed vehicle dynamic weighing, when high-speed vehicle passes through the balance body, can effectively reduce the balance body skew, the component force that the vibration produced, be favorable to improving the high-speed dynamic measurement precision of vehicle, and reasonable design, the operation is reliable, the maintenance rate is low, long service life.
The utility model discloses realize that the technical scheme that its technical purpose adopted is: a double-beam weighing sensor comprises a sensor elastic body, wherein a stress weighing area, a double-stress weighing beam strain area and double fixed supporting areas are arranged on the sensor elastic body, the stress weighing beam strain areas are symmetrically arranged on two sides of the stress weighing area, the fixed supporting areas are arranged on the outer side of the stress weighing beam strain area, double signal outgoing lines matched with the double-stress weighing beam strain area are arranged on the sensor elastic body where the stress weighing area is located, and independent signal output is realized through the double signal outgoing lines. The double-weighing beam type sensor changes the traditional sensor weighing principle, double-stress weighing beam strain areas are arranged on a sensor elastic body, a signal outlet wire is correspondingly arranged in each stress weighing beam strain area, stress beams in the two stress weighing beam strain areas are stressed to deform and carry out two paths of independent signal output through the signal outlet wires, and the calibration of the angular difference of a scale body is facilitated; when the weighing device is used, the stressed weighing area of the sensor is fixedly connected with the scale body through the connecting piece, and the fixed supporting areas at the two ends of the sensor are respectively and fixedly connected with the sensor support welded on the bottom plate of the scale body through the connecting piece. The double-weighing beam type sensor greatly simplifies the force transmission structure of the sensor, does not need to additionally arrange a horizontal limiting device of the scale body, is particularly suitable for dynamic weighing of high-speed vehicles, can effectively reduce component force generated by deviation and vibration of the scale body when the high-speed vehicles pass through the scale body, and is favorable for improving the high-speed dynamic metering precision of the vehicles.
Preferably, the sensor elastic body is of an elongated elastic body structure.
Preferably, the stress weighing area is provided with a stress convex table surface which is upwards protruded along the sensor elastic body, and the stress convex table surface is vertically provided with a weighing area connecting through hole. The stress weighing area is provided with a stress convex table surface which is upwards protruded along the elastic body of the sensor, so that the stress weighing area can be connected with the scale body without a movable gap when in use, and the effective transmission of force is realized.
Preferably, the sensor elastic body where the stress weighing beam strain area is located is provided with a weighing beam, the weighing beam is arranged on the sensor elastic body in a direction perpendicular to the stress direction of the stress weighing area, and the signal outlet line is arranged on the side face of the sensor elastic body where the stress weighing area is located; the weighing beams are arranged in one-to-one correspondence with the signal outgoing lines. The stress weighing beam strain area is internally provided with the weighing beam, when the weighing beam is used, the weighing beam is deformed by the force transmitted from the stress weighing area, and meanwhile, a deformation signal is independently output through a signal outgoing line, so that the weighing accuracy can be ensured.
Preferably, the fixed support areas are arranged at two ends of the sensor elastic body, and the fixed support areas are provided with fixed connecting through holes penetrating through the upper surface and the lower surface of the sensor elastic body. The fixed bearing areas are arranged at the two ends of the elastic body of the sensor, so that the fixed bearing of the sensor is facilitated, and the detection accuracy of the sensor is further facilitated.
Preferably, the area occupied by the stressed weighing area is more than or equal to 50% of the area of the upper surface of the whole sensor elastic body. The area of the stress weighing area is too small, and accurate measurement cannot be achieved.
The utility model has the advantages that: the double-weighing beam type sensor greatly simplifies the force transmission structure of the sensor, does not need to additionally arrange a horizontal limiting device of the scale body, is particularly suitable for dynamic weighing of high-speed vehicles, can effectively reduce component force generated by deviation and vibration of the scale body when the high-speed vehicles pass through the scale body, and is favorable for improving the high-speed dynamic metering precision of the vehicles.
Drawings
Fig. 1 is a schematic structural diagram of a dual-beam weighing sensor of the present invention;
FIG. 2 is a top view of the dual beam load cell of FIG. 1;
FIG. 3 is a schematic diagram of an application structure of the dual-beam weighing sensor of the present invention;
in the figure: 1. the weighing device comprises a sensor elastic body, 2 a stress weighing area, 3 a stress weighing beam strain area, 4 a fixed supporting area, 5 a signal outlet wire, 6 a stress convex table surface, 7 a weighing area connecting through hole, 8 a weighing beam, 9 a fixed connecting through hole, 10 and a scale body.
Detailed Description
The technical solution of the present invention will be further described in detail by the following embodiments with reference to the accompanying drawings. The front, rear, left, right, and both sides referred to herein are described with respect to the direction of travel of the vehicle.
Example 1:
in the embodiment shown in fig. 1 and 2, the double-beam type weighing sensor comprises a sensor elastic body 1, wherein the sensor elastic body 1 is of an elongated elastic body structure. The sensor elastic body 1 is provided with a stress weighing area 2, a double-stress weighing beam strain area 3 and a double-fixed supporting area 4, the stress weighing beam strain areas 3 are symmetrically arranged on two sides of the stress weighing area 2, the fixed supporting area 4 is arranged on the outer side of the stress weighing beam strain area 3, a double-signal outlet wire 5 matched with the double-stress weighing beam strain area 3 is arranged on the sensor elastic body 1 where the stress weighing area 2 is located, and the double-signal outlet wire 5 outputs independent signals.
The stress weighing area 2 is provided with a stress convex table surface 6 along the sensor elastic body 1 in an upward convex mode, and a weighing area connecting through hole 7 is vertically arranged on the stress convex table surface 6. The weighing beam 8 is arranged on the sensor elastic body 1 where the stress weighing beam strain area 3 is located, the weighing beam 8 is arranged on the sensor elastic body 1 in a direction perpendicular to the stress direction of the stress weighing area 2, and the signal outlet 5 is vertically arranged on the side face of the sensor elastic body 1 where the stress weighing area 2 is located; the weighing beams 8 are arranged in one-to-one correspondence with the signal outgoing lines 5. The fixed supporting areas 4 are arranged at two ends of the sensor elastic body 1, and the fixed supporting areas 4 are provided with fixed connecting through holes 9 penetrating through the upper surface and the lower surface of the sensor elastic body 1. The area occupied by the stressed weighing area 2 is more than or equal to 50% of the upper surface area of the whole sensor elastic body 1. In this embodiment, the area occupied by the stressed weighing region 2 is equal to 50% of the upper surface area of the whole sensor elastic body 1.
This two beam type weighing sensor changes traditional sensor principle of weighing, sets up two atress weighing beam strain areas on the sensor elastomer, and every atress weighing beam strain area corresponds and is provided with the signal outlet, and the inside atress roof beam atress of two atress weighing beam strain areas produces deformation and carries out two way independent signal output through the signal outlet, and output weighing signal is to control instrument, is favorable to the calibration of balance body angular difference.
As shown in figure 3, when in use, the double-beam weighing sensors are respectively arranged at two sides of the scale body 10 along the running direction of the vehicle, the stressed weighing areas of the sensors are fixedly connected with the scale body through connecting pieces, and the fixed supporting areas at two ends of the sensors are respectively fixedly connected with sensor supports welded on the bottom plate of the scale body through connecting pieces.
The double-beam weighing sensor greatly simplifies the force transmission structure of the sensor, does not need to additionally arrange a horizontal limiting device of the scale body, is particularly suitable for dynamic weighing of high-speed vehicles, can effectively reduce component force generated by deviation and vibration of the scale body when the high-speed vehicles pass through the scale body, and is favorable for improving the high-speed dynamic metering precision of the vehicles.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (6)
1. A double-beam type weighing sensor is characterized in that: the sensor comprises a sensor elastic body (1), wherein a stress weighing area (2), a double stress weighing beam strain area (3) and double fixed bearing areas (4) are arranged on the sensor elastic body (1), the stress weighing beam strain areas (3) are symmetrically arranged on two sides of the stress weighing area (2), the fixed bearing areas (4) are arranged on the outer side of the stress weighing beam strain area (3), a double signal outgoing line (5) matched with the double stress weighing beam strain area (3) is arranged on the sensor elastic body (1) where the stress weighing area (2) is located, and the double signal outgoing line (5) outputs independent signals.
2. A dual beam load cell as defined in claim 1, wherein: the sensor elastic body (1) is of a long strip-shaped elastic body structure.
3. A dual beam load cell as defined in claim 2, wherein: the stress weighing area (2) is provided with a stress convex table surface (6) in an upward convex mode along the sensor elastic body (1), and the stress convex table surface (6) is vertically provided with a weighing area connecting through hole (7).
4. A dual beam load cell as defined in claim 2, wherein: the weighing beam (8) is arranged on the sensor elastic body (1) where the stress weighing beam strain area (3) is located, the weighing beam (8) is arranged on the sensor elastic body (1) in a direction perpendicular to the stress direction of the stress weighing area (2), and the signal outlet wire (5) is arranged on the side face of the sensor elastic body (1) where the stress weighing area (2) is located; the weighing beams (8) are arranged in one-to-one correspondence with the signal outgoing lines (5).
5. A dual beam load cell as defined in claim 2, wherein: the fixed supporting areas (4) are arranged at two ends of the sensor elastic body (1), and the fixed supporting areas (4) are provided with fixed connecting through holes (9) penetrating through the upper surface and the lower surface of the sensor elastic body.
6. A dual beam load cell as defined in any one of claims 1 to 5, wherein: the area occupied by the stressed weighing area (2) is more than or equal to 50% of the upper surface area of the whole sensor elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082119.2U CN210293410U (en) | 2019-07-11 | 2019-07-11 | Double-beam type weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082119.2U CN210293410U (en) | 2019-07-11 | 2019-07-11 | Double-beam type weighing sensor |
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| Publication Number | Publication Date |
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| CN210293410U true CN210293410U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921082119.2U Active CN210293410U (en) | 2019-07-11 | 2019-07-11 | Double-beam type weighing sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345051A (en) * | 2020-10-24 | 2021-02-09 | 安徽智敏电气技术有限公司 | Double-beam type weighing sensor |
| CN112880783A (en) * | 2021-01-14 | 2021-06-01 | 杭州四方称重系统有限公司 | Array type high-speed dynamic axle load scale |
-
2019
- 2019-07-11 CN CN201921082119.2U patent/CN210293410U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345051A (en) * | 2020-10-24 | 2021-02-09 | 安徽智敏电气技术有限公司 | Double-beam type weighing sensor |
| CN112345051B (en) * | 2020-10-24 | 2022-02-25 | 安徽智敏电气技术有限公司 | Double-beam type weighing sensor |
| CN112880783A (en) * | 2021-01-14 | 2021-06-01 | 杭州四方称重系统有限公司 | Array type high-speed dynamic axle load scale |
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