CN104568097B - Protection device for vehicle-mounted weighing sensor - Google Patents
Protection device for vehicle-mounted weighing sensor Download PDFInfo
- Publication number
- CN104568097B CN104568097B CN201410838014.0A CN201410838014A CN104568097B CN 104568097 B CN104568097 B CN 104568097B CN 201410838014 A CN201410838014 A CN 201410838014A CN 104568097 B CN104568097 B CN 104568097B
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- Prior art keywords
- weighing sensor
- roller
- vehicular
- base
- limited rack
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Abstract
The invention discloses a protection device for a vehicle-mounted weighing sensor. The protection device comprises a limiting rack, a base, a metal cushion plate and at least one roller, wherein the limiting rack comprises a limiting frame at the top and supporting plates on two sides, the limiting frame is used for horizontally limiting the rollers, and the supporting plates on the two sides are fixedly connected with two ends of the base respectively; the vehicle-mounted weighing sensor is arranged between the limiting rack and the base and fixedly connected with the base; a boss is arranged at the top of the vehicle-mounted weighing sensor, the metal cushion plate is fixedly arranged on the upper surface of the boss, the bottom of each roller is in contact with the upper surface of the metal cushion plate, and the top of the roller protrudes out of the limiting frame of the limiting rack. According to the protection device, the rollers are adopted for converting relatively small horizontal sliding displacement between a compartment and a vehicle frame into rolling displacement to eliminate the influence of horizontal force on the weighing sensor.
Description
Technical field
The invention belongs to sensor guard technical field, particularly one kind can effectively elimination of level displacement to sensor
The vehicular weighing sensor guard of impact.
Background technology
In recent years, highway in China haulage vehicle overloading is extremely widespread, to vehicle service life, highway life-span, traffic
Safety, transport market and vehicle production order cause greatly harm, it is therefore desirable to have practicable automobile load to detect
Method, to efficiently control overload of vehicle.
Current vehicle weighing device mainly has fixed and portable two kinds, and fixing type weighing apparatus (such as electronic platform scale) are needed
Vehicle is reached into weighting platform, not only efficiency is low, affect the coast is clear, and weighting device structure is big, quality weight, it is impossible to carry, and
Installation difficulty；Portable weighing device (such as dynamic axle weight detector) is hasty due to placing, and device area is less, not only easily
Go out security incident, and easily there is relatively large deviation, and weighing device inefficiency in measurement result.Therefore, for current vehicle
Weighing device is bulky, complex structure, installation difficulty, inefficiency and poor reliability, somewhat expensive, it is impossible to accomplish not stop
Car such as is weighed at the outstanding problem, how to realize vehicle weighing rapidly and efficiently, and it is current vehicle weighing to accomplish that Real-time and Dynamic is weighed
The technological difficulties of device.
The LOAD CELLS preventer of prior art, mainly for the overload protection of LOAD CELLS, clamping and positioning etc.
Problem.The U of Chinese utility model patent CN 201998088 discloses a kind of clamping and positioning device with LOAD CELLS, bag
Include synchronous cross mobile device and longitudinal synchronous shifter；Fixation sets on the left and right slider carrier of synchronous cross mobile device
A LOAD CELLS is equipped with, a gripping block, the side of the gripping block are fixed with the LOAD CELLS of synchronous cross mobile device
There are two clamping salient points in face；A gripping block, the upper table of the gripping block are fixed with the LOAD CELLS of longitudinal synchronous shifter
There is the protuberance for clamping salient point face You Liangge sides；Above-mentioned Onboard weighing device complex structural designs, machining is difficult, manufacture
Complex process, manufacturing cost is higher, cannot particularly eliminate the car caused due to the horizontal tangential power of the generations such as speed, acceleration
LOAD CELLS measurement error.
The content of the invention
It is an object of the invention to provide a kind of vehicular weighing sensor guard, can eliminate due to speed, accelerate
The vehicle weighing sensor measurement error that the horizontal tangential power of the generations such as degree is caused.
The technical solution for realizing the object of the invention is：A kind of vehicular weighing sensor guard, including it is spacing
Frame, base, metal caul and at least one roller；
Position-limited rack is by the limitting casing at top with the gripper shoe groups of both sides in the horizontal direction pair roller is limited limitting casing
Position, the gripper shoe of both sides is connected respectively with the two ends of base；Vehicular weighing sensor be arranged between position-limited rack and base and
It is connected with base；Vehicular weighing sensors topside is provided with boss, and the metal caul is fixedly installed on boss upper surface, rolling
The bottom of wheel and metal caul upper table brought into linear contact, protrude from the limitting casing of position-limited rack at the top of roller.
Compared with prior art, its remarkable advantage is the present invention：
(1) measure accurate：The vehicular weighing sensor guard of the present invention is claimed compartment with strain-type by roller
Retransmit less slide displacement in the horizontal direction between sensor and be converted into roll displacement, so as to elimination of level pressure is to strain-type
The impact of LOAD CELLS so that the displacement that strain gauge load cell load-bearing stress is deformed is directly proportional to external force effect
Be delivered on sensing element, the conversion of physical quantity-electricity is realized, so as to eliminate speed, acceleration and vibration etc. well
Impact of the factor to measurement result, overcomes the adverse effects such as conventional dynamic metering system low speed, larger error；
(2) simple structure：Frame for movement of the present invention is simple, easy for installation, small volume, low cost, on vehicle frame,
Road traffic is not affected, is not only suitable for for static measurement, while being applied to real time dynamic measurement, it is possible to do not stopped
Car tracking measurement, measurement efficiency is high；
(3) sensor characteristics is improved：The present invention adopts roller by less slip in horizontal direction between compartment and vehicle frame
Displacement is converted into roll displacement, and impact of the elimination of level power to LOAD CELLS improves LOAD CELLS such as linearly, repeatedly
The characteristic index such as property, hysteresis quality, creep.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Description of the drawings
Fig. 1 is the vehicular weighing sensor guard structural representation of an embodiment of the present invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Fig. 4 is the top view of Fig. 1.
Fig. 5 is the schematic diagram when present invention is installed on vehicle.
Specific embodiment
With reference to Fig. 1, Fig. 2, the vehicular weighing sensor guard of the present invention, including position-limited rack 3, base 4, metal gasket
The roller 2 of plate 5 and at least one；
Position-limited rack 3 is by the limitting casing at top with the gripper shoe groups of both sides in the horizontal direction pair roller 2 is carried out limitting casing
Spacing, the gripper shoe of both sides is connected respectively with the two ends of base 4；Vehicular weighing sensor 1 is arranged on position-limited rack 3 and base 4
Between and with base 4 be connected；The top of vehicular weighing sensor 1 is provided with boss, and the metal caul 5 is fixedly installed on boss
Upper surface, bottom and the upper table brought into linear contact of metal caul 5 of roller 2, protrudes from the limitting casing of position-limited rack 3 at the top of roller.
The two ends of the roller 2 are axially provided with cylinder, and cylinder diameter is less than roller diameter；Position-limited rack 3 it is spacing
Frame is correspondingly arranged on stopper slot, coordinates with cylinder body space, realizes that roller 2 is rolled.
The metal caul 5 is fixedly installed on the boss of vehicular weighing sensor 1 by screw, and head of screw whole
Sink to metal caul 5 so that metal caul upper surface keeps flat smooth, is easy to the rolling of roller.
With reference to Fig. 5, the vehicular weighing sensor guard 30 is arranged between compartment 10 and vehicle frame 20.
The roller 2 at least two, and size is identical.
The base 4 is bolted or is weldingly fixed on carriage frame.
The vehicular weighing sensor 1 is bolted and is fixed on base.
The vehicular weighing sensor 1 is strain gauge load cell.
The gripper shoe of the both sides of the position-limited rack 3 is by bolt or is weldingly fixed on base.
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
As shown in Figures 1 to 4, a kind of vehicular weighing sensor guard, including position-limited rack 3, base 4, metal gasket
Plate 5 and 3 rollers；
Position-limited rack 3 be parallel to each other into the gripper shoe of, both sides by the rectangle limitting casing at top and the gripper shoe groups of both sides and with
Limitting casing place plane is vertical, and in the horizontal direction pair roller carries out spacing limitting casing, and the gripper shoe of both sides is by bolt or weldering
Connect and be fixed on base；Strain gauge load cell 1 is arranged between position-limited rack 3 and base 4 and solid by bolt with base 4
Even；The top of strain gauge load cell 1 is provided with boss, and metal caul 5 is fixedly installed on strain weighing sensing by screw
On the boss of device 1, and head of screw all sinks to metal caul 5 so that metal caul upper surface keeps flat smooth, is easy to roller
Rolling.The bottom of roller and the upper table brought into linear contact of metal caul 5；Base 4 is bolted on carriage frame.
3 rollers are arranged at the spacing inframe of position-limited rack 3, roller and limitting casing loose fit, and the upper surface of roller is protruded from
The upper surface of limitting casing, the lower surface of roller protrudes from the lower surface of limitting casing.The two ends of roller 2 are respectively with the three of a small column
Section formula roller, limitting casing inner side is provided with the groove for placing the two ends small column of roller 2, roller 2 both can be freely rolled, and again will not
Slide.
As shown in figure 5, vehicular weighing sensor guard 30 is arranged between compartment 10 and vehicle frame 20.
By roller, less slide displacement in the horizontal direction between compartment 10 and strain gauge load cell 1 is turned
Roll displacement is turned to, so as to impact of the elimination of level pressure to strain gauge load cell 1 so that strain gauge load cell 1
The displacement that load-bearing stress is deformed proportionally is delivered on sensing element with external force effect, realizes physical quantity-electricity
Conversion, eliminates well impact of the factors such as speed, acceleration and vibration to measurement result, overcomes conventional dynamic measurement side
The adverse effects such as formula low speed, larger error.
When external force is applied orthogonal on Onboard weighing device, external force is delivered to by three rollers, and Jing metal cauls 5
Strain gauge load cell 1, strain gauge load cell 1 is loaded and compression, and its compression degree is directly proportional to external force.Should
Synchronous drive is anchored on the compression of variant LOAD CELLS 1 sensing element (the strain inside strain gauge load cell 1
Piece) compression, its deformation extent is equal to the deflection of LOAD CELLS.When sensing element produces compression, its
The full-bridge circuit that is made up of foil gauge of inside will export the signal of telecommunication, the size of the signal of telecommunication and sensing element compress variation size into
Direct ratio, so as to realize the conversion of physical quantity-electricity.When external force disappears, LOAD CELLS is rapid by the material stiffness of itself
Restore, return zero-bit original state.
The vehicular weighing sensor guard of the present invention, can design according to the size of vehicular weighing sensor
Corresponding size.Present invention processing is simple, easy for installation, low cost, has improved LOAD CELLS such as linear, heavy
The characteristic index such as renaturation, hysteresis quality, creep, can be perfectly suitable for the vehicle worked under such as quarry tipper complex environment
Real-time weighing measurement.
Claims (9)
1. a kind of vehicular weighing sensor guard, it is characterised in that including position-limited rack (3), base (4), metal caul
And at least one roller (2) (5)；
Position-limited rack (3) is by the limitting casing at top with the gripper shoe groups of both sides in the horizontal direction pair roller (2) is carried out limitting casing
Spacing, the gripper shoe of both sides is connected respectively with the two ends of base (4)；Vehicular weighing sensor (1) be arranged on position-limited rack (3) with
It is connected between base (4) and with base (4)；Vehicular weighing sensor (1) top is provided with boss, the metal caul (5)
Boss upper surface is fixedly installed on, bottom and metal caul (5) the upper table brought into linear contact of roller (2) are protruded from the top of roller
The limitting casing of position-limited rack (3).
2. vehicular weighing sensor guard according to claim 1, it is characterised in that the two of the roller (2)
End is axially arranged cylinder, and cylinder diameter is less than roller diameter；The limitting casing of position-limited rack (3) is correspondingly arranged on stopper slot,
Coordinate with cylinder body space, realize that roller (2) is rolled.
3. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the metal caul
(5) it is fixedly installed on the boss of vehicular weighing sensor (1) by screw, and head of screw all sinks to metal caul (5),
So that metal caul upper surface keeps flat smooth, it is easy to the rolling of roller.
4. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the vehicular claims
Weight sensor guard (30) is arranged between compartment (10) and vehicle frame (20).
5. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the roller (2) is extremely
It is less two, and size is identical.
6. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the base (4) is led to
Cross bolt connection or be weldingly fixed on carriage frame.
7. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the vehicular claims
Re-transmission sensor (1) is bolted and is fixed on base.
8. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the vehicular claims
It is strain gauge load cell to retransmit sensor (1).
9. vehicular weighing sensor guard according to claim 1 and 2, it is characterised in that the position-limited rack (3)
The gripper shoe of both sides is by bolt or is weldingly fixed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838014.0A CN104568097B (en) | 2014-12-29 | 2014-12-29 | Protection device for vehicle-mounted weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838014.0A CN104568097B (en) | 2014-12-29 | 2014-12-29 | Protection device for vehicle-mounted weighing sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568097A CN104568097A (en) | 2015-04-29 |
| CN104568097B true CN104568097B (en) | 2017-05-03 |
Family
ID=53084693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410838014.0A Expired - Fee Related CN104568097B (en) | 2014-12-29 | 2014-12-29 | Protection device for vehicle-mounted weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568097B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900004663U1 (en) * | 2019-12-19 | 2021-06-19 | L C Srl | LOAD CELL FOR METALLIC SILOS |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681998A (en) * | 1992-06-09 | 1997-10-28 | Yazaki Corporation | Load measuring device for a vehicle |
| CN2133829Y (en) * | 1992-07-28 | 1993-05-19 | 江西大学 | Electronic balance body |
| JP5337129B2 (en) * | 2010-10-29 | 2013-11-06 | 株式会社守隨本店 | In-vehicle weighing device |
| CN102818611A (en) * | 2011-07-21 | 2012-12-12 | 山东鲁南衡器有限公司 | Electronic automobile scale with movable sensor |
| CN204373759U (en) * | 2014-12-29 | 2015-06-03 | 中国人民解放军理工大学 | Vehicular weighing sensor guard |
-
2014
- 2014-12-29 CN CN201410838014.0A patent/CN104568097B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104568097A (en) | 2015-04-29 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Granted publication date: 20170503 Termination date: 20181229 |