CN205748483U - A kind of pressure and ground combine by force device for measuring force - Google Patents
A kind of pressure and ground combine by force device for measuring force Download PDFInfo
- Publication number
- CN205748483U CN205748483U CN201620638203.8U CN201620638203U CN205748483U CN 205748483 U CN205748483 U CN 205748483U CN 201620638203 U CN201620638203 U CN 201620638203U CN 205748483 U CN205748483 U CN 205748483U
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- China
- Prior art keywords
- force
- ground
- plate
- dynamometry pin
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
Entitled a kind of pressure of the present utility model and ground combine by force device for measuring force.Belong to onboard sensor technical field.The problem that it mainly solves present automotive check ground intensity time length.It is mainly characterized by comprising: include elastomeric components, foil gauge, the strong sensor force measuring machine of spherical shell and ground；Spherical shell is provided with circular cylindrical cavity and bottom groove；Elastomeric components includes cylinder, silica gel plate, is provided with cannelure in the middle part of cylindrical outer surface, and silica gel plate is filled in installation cavity upper/lower terminal and cannelure；Gripper shoe is provided with hemisphere die cavity and countersunk head type circular hole；Spring catch force measuring machine includes sensor, compression spring, guide pillar plate, dynamometry pin and dynamometry pin cap plate, and sensor is fixed in bottom groove, and compression spring upper end is sleeved on guide pillar plate, and lower end is positioned at dynamometry pin.The feature that this utility model has compact conformation, volume is little, the detection time is short, is suitable for engineering truck, special purpose vehicle, military car launcher etc. and uses.
Description
Technical field
This utility model belongs to onboard sensor technical field, is specifically related to one and is produced by motorcar electric cylinder or hydraulic cylinder
Power measure vehicle weight and the sensor of surface soil intensity.
Background technology
At present on automobile, detection vehicle weight and the sensor of surface soil intensity the most simultaneously, although sense weight
Sensor more, but the most do not detect the function of ground intensity.And the strong instrument in current ground completes one-time detection and will be about 250s
The above time, the time of cost is longer.
Summary of the invention
The purpose of this utility model is aiming at above-mentioned weak point and provides that a kind of simple in construction, volume be little, installation side
Just, the detection time is short and can detect vehicle weight and the sensor of surface soil intensity simultaneously.
Technical solution of the present utility model is: a kind of pressure and ground combine by force device for measuring force, it is characterised in that: include
Elastomeric components, spool holder assembly, spherical shell, strong sensor force measuring machine, gripper shoe, foil gauge and temperature sensor；
Described spherical shell is provided with the tapped circular cylindrical cavity in bottom, and bottom is provided with groove, sets between circular cylindrical cavity and groove
There is spherical shell wire casing；Described elastomeric components include can intercalation enter in spherical shell cylinder, silica gel plate, cylinder is provided with
Cavity and the cylinder wire casing coordinated with spherical shell wire casing are installed, are provided with cannelure in the middle part of cylindrical outer surface, under outer surface
Portion is provided with external screw thread, and silica gel plate is filled in installation cavity upper/lower terminal and cannelure；Foil gauge is arranged on cylinder cannelure
On cell wall, temperature sensor is arranged in cylinder installation cavity body；Gripper shoe central upper offers hemisphere die cavity, and bottom is offered
There is countersunk head type circular hole；The strong sensor force measuring machine in ground includes pressure transducer, compression spring, guide pillar plate, dynamometry pin and dynamometry pin
Cover plate, pressure transducer is fixed in spherical shell bottom groove, and dynamometry pin cap plate is arranged on countersunk head type circular hole outer end, compresses bullet
Spring upper end is sleeved on guide pillar plate, and lower end is positioned at dynamometry pin, and dynamometry pin is the tubular construction of lower end closed, and upper end is provided with radially
Convex edge, dynamometry pin pass dynamometry pin cap plate；Described elastomeric components and spool holder assembly are by being threadedly coupled together；Spherical
Housing is fixing on the supporting plate by thread connection；Elastomeric components and foil gauge constitute force cell.
It is provided with close with the contact surface of dynamometry pin on dynamometry pin cap plate described in technical solution of the present utility model
Seal.
Equipped with circuit board in elastomeric components cylinder installation cavity body described in technical solution of the present utility model
Assembly.For the analogue value of temperature sensor, foil gauge and pressure transducer being converted into digital quantity, and by CAN with
Miscellaneous equipment carries out communication.
Elastomeric components described in technical solution of the present utility model carries mounting flange, for by pressure and ground
Strong combination device for measuring force is installed and is fixed on miscellaneous equipment.
Circuit board assemblies described in technical solution of the present utility model includes that MCU, power supply chip, crystal, CAN drive
The elements such as dynamic device, instrument amplifier, resistance, electric capacity, wherein externally fed power supply 12～30VDC, power supply is steady through power circuit
Become after filter pressing ripple after 5V to other circuit and sensor power；The signal of foil gauge and pressure transducer is through instrument amplifier
Being converted into the voltage signal of 0 ~ 2.0V, this signal is converted into digital signal through the ADC of MCU, after temperature-compensating, Serial regulation
It is sent to miscellaneous equipment by CAN driver.
Pressure transducer, foil gauge, temperature sensor, circuit board are arranged in spherical shell by this utility model, are formed
Entirety, can effectively reduce installation volume, and convenience is propped up support plate with leveling vehicle and is connected, can be direct by accumulator on automobile
Power supply.
This utility model has the following characteristics that
1, in spherical structure, it is integrated with two pressure transducers, when pressure is less, uses the strong sensor force measuring machine in ground,
Use force cell (elastomeric components and foil gauge) when pressure is bigger, and the strong sensor force measuring machine in ground exceedes at pressure and holds
It is protected when being worth.
2, spherical structure, in that context it may be convenient to dock with a support plate.
3, interior band temperature-compensating, linear regulation circuit, can carry out by sensor force measuring machine strong to force cell and ground
Real-time linear regulation, it is ensured that the precision of sensor reaches 0.1%.
4, force cell, strong sensor, temperature sensor, circuit board become one and be arranged in metal ball body,
Compact.
5, CAN or RS485 or RS232 communication interface are used.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Fig. 2 is circuit block diagram of the present utility model.
In figure: 1-elastomeric components, 2-circuit board assemblies, 3-silica gel plate, 4-spool holder assembly, 5-spherical shell, 6-leads
Post plate, 7-pressure transducer, 8-props up support plate, 9-dynamometry pin cap plate, 10-sealing ring, 11-compression spring, 12-dynamometry pin, and 13-should
Become sheet, 14-temperature sensor.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2.This utility model one pressure and ground combine by force device for measuring force, including elastomeric components 1, line
Header assemblies 4, spherical shell 5, strong sensor force measuring machine, gripper shoe 8, foil gauge 13 and temperature sensor 14.Wherein, ball
Shape housing 5 is provided with the tapped circular cylindrical cavity in bottom, and bottom is provided with groove, is provided with spherical between circular cylindrical cavity and groove
Housing wire casing.Elastomeric components 1 includes intercalation to enter the cylinder in spherical shell 5, silica gel plate 3, and cylinder is provided with installation cavity
Body and the cylinder wire casing coordinated with spherical shell wire casing, be provided with cannelure in the middle part of cylindrical outer surface, outer surface bottom is provided with
External screw thread, silica gel plate 3 is filled in installation cavity upper/lower terminal and cannelure.Foil gauge 13 is arranged on cylinder cannelure groove
On wall, temperature sensor 14 is arranged in cylinder installation cavity body.Foil gauge 13 and temperature sensor 14 constitute force cell.
Gripper shoe 8 central upper offers hemisphere die cavity, and bottom offers countersunk head type circular hole.The strong sensor force measuring machine in ground includes pressure
Sensor 7, compression spring 11, guide pillar plate 6, dynamometry pin 12 and dynamometry pin cap plate 9, dynamometry pin cap plate 9 is arranged on countersunk head type circular hole
Outer end, compression spring 11 upper end is sleeved on guide pillar plate 6, and lower end is positioned at dynamometry pin 12, and dynamometry pin 12 is the cylinder of lower end closed
Shape structure, upper end is provided with convex edge radially, and dynamometry pin 12 is through dynamometry pin cap plate 9.With the connecing of dynamometry pin 12 on dynamometry pin cap plate 9
Contacting surface is provided with sealing ring 10.Pressure transducer 7 is by being threadably coupled within spherical shell 5 bottom groove.Elastomeric components 1 with
Spool holder assembly 4 is by being threadedly coupled together.Spherical shell 5 is fixed in gripper shoe 8 by thread connection.Elastomeric components
Equipped with circuit board assemblies 2 in 1 cylinder installation cavity body.Circuit board assemblies 2 include MCU, power supply chip, crystal, CAN driver,
The elements such as instrument amplifier, resistance, electric capacity, wherein externally fed power supply 12～30VDC, power supply is through power circuit voltage regulation filtering
After become after 5V to other circuit and sensor power.The signal of the strong sensor force measuring machine of force cell and ground is through instrument
Amplifier is converted into the voltage signal of 0 ~ 2.0V, and this signal is converted into digital signal through the ADC of MCU, through temperature-compensating, linearly
It is sent to miscellaneous equipment by CAN driver after adjustment.
Elastomeric components 1 carries mounting flange, is fixed to miscellaneous equipment for being installed by device for measuring force.Elastomeric components
1 constitutes force cell with foil gauge 13, the pressure within detection 30 tons.The strong sensor force measuring machine in ground is used for detecting
Pressure within 100 kilograms.Temperature sensor 14 is for detecting the temperature of spherical shell 5.Circuit board assemblies 2 is for passing temperature
Sensor 14, the analogue value of the strong sensor force measuring machine of force cell and ground are converted into digital quantity, and by CAN and other
Equipment carries out communication.
The stress surface of force cell is spheroid, and a convenient support plate 8 with automobile is connected, and can ensure the rotation of a support plate 8
Turn and movable.The strong sensor force measuring machine in ground is contacted with ground with spring catch 12, by compression spring 11 by compression spring 11
The geostatic pressure born is passed to pressure transducer 7, after ground strong sensor force measuring machine detects this pressure, during by unit
Interior pressure history calculates the pressure on ground, it is known that whether Current terrestrial meets requirement.Temperature sensor is used
In the temperature drift compensating the strong sensor force measuring machine of force cell and ground.
The amplifier of circuit board assemblies 2 is given the ADC of MCU and is carried out analog digital conversion after being amplified by the tiny signal of sensor,
The temperature value simultaneously recorded by current temperature sensor carries out temperature-compensating and linearization calculation, it is ensured that the value energy of sensor
Enough meet requirement, then the result detection: pressure, intensity values, temperature, fault-signal send other to by communication interface CAN
Equipment, miscellaneous equipment (time is less than 30s) can record the weight of measurement, the intensity on ground, currently temperature in a short period of time
The information such as degree.
Test process: vehicle, after the most local stopping, carrying out leveling vehicle, can stretch out 4 support plates, when a support plate
During contact ground, it is arranged on this utility model on leveling electric cylinder or hydraulic cylinder, will stress, first dynamometry pin 12 first contact
Ground, transmits the force to the strong sensor force measuring machine in ground by compression spring 11, and along with compression spring 11 is compressed, a support plate is opened
Beginning to contact ground, until car body is supported and leaves ground leveling by a support plate completely, now car body weight is surveyed by force cell
Go out (value of 4 sensors need to be added), and pass through force value and the song of force value change that the strong sensor force measuring machine in ground is surveyed
Line computation goes out the intensity on ground, and the speed that the whole testing time stretches out with electric cylinder or hydraulic cylinder is relevant, probably at 15～30 seconds
Left and right.
Distinguish with other products:
1, quickly measure, ground intensity and car body weight in 15～30 second time, can be measured, and this time is to adjust with vehicle
Flat time synchronized is carried out, and the most independently takies the measurement time, and this point is to the particular importance that carries out an urgent task.
2, volume is little, and integrated level is high, it is simple to install.
3, temperature-compensating and linear compensation are carried out online.
4, faying face is bulb, is conveniently connected with a support plate, convenient support disk activity.
Claims (4)
1. a pressure and ground combine by force device for measuring force, it is characterised in that: include elastomeric components (1), spool holder assembly (4),
Spherical shell (5), strong sensor force measuring machine, gripper shoe (8), foil gauge (13) and temperature sensor (14)；Described spherical
Housing (5) is provided with the tapped circular cylindrical cavity in bottom, and bottom is provided with groove, is provided with spherical between circular cylindrical cavity and groove
Housing wire casing；Described elastomeric components (1) includes intercalation to enter the cylinder in spherical shell (5), silica gel plate (3), cylinder
It is provided with the cylinder wire casing installed cavity and coordinate with spherical shell wire casing, in the middle part of cylindrical outer surface, is provided with cannelure, appearance
Basifacial is provided with external screw thread, and silica gel plate (3) is filled in installation cavity upper/lower terminal and cannelure；Foil gauge (13) is arranged on
On cylinder cannelure cell wall, temperature sensor (14) is arranged in cylinder installation cavity body；Gripper shoe (8) central upper is offered
Having hemisphere die cavity, bottom offers countersunk head type circular hole；The strong sensor force measuring machine in ground includes pressure transducer (7), compression spring
(11), guide pillar plate (6), dynamometry pin (12) and dynamometry pin cap plate (9), it is recessed that pressure transducer (7) is fixed on spherical shell (5) bottom
In groove, dynamometry pin cap plate (9) is arranged on countersunk head type circular hole outer end, and compression spring (11) upper end is sleeved on guide pillar plate (6), lower end
Being positioned at dynamometry pin (12), dynamometry pin (12) is the tubular construction of lower end closed, and upper end is provided with convex edge radially, dynamometry pin (12)
Through dynamometry pin cap plate (9)；Described elastomeric components (1) and spool holder assembly (4) are by being threadedly coupled together；Spherical shell
(5) it is fixed in gripper shoe (8) by thread connection；Elastomeric components (1) and foil gauge (13) constitute force cell.
A kind of pressure the most according to claim 1 and ground combine by force device for measuring force, it is characterised in that: described dynamometry pin cap
Upper and dynamometry pin (12) the contact surface of plate (9) is provided with sealing ring (10).
A kind of pressure the most according to claim 1 and 2 and ground combine by force device for measuring force, it is characterised in that: described elasticity
Equipped with circuit board assemblies (2) in body assembly (1) cylinder installation cavity body.
A kind of pressure the most according to claim 1 and 2 and ground combine by force device for measuring force, it is characterised in that: described elasticity
Body assembly (1) carries mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638203.8U CN205748483U (en) | 2016-06-24 | 2016-06-24 | A kind of pressure and ground combine by force device for measuring force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638203.8U CN205748483U (en) | 2016-06-24 | 2016-06-24 | A kind of pressure and ground combine by force device for measuring force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748483U true CN205748483U (en) | 2016-11-30 |
Family
ID=57383695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620638203.8U Withdrawn - After Issue CN205748483U (en) | 2016-06-24 | 2016-06-24 | A kind of pressure and ground combine by force device for measuring force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338304A (en) * | 2016-06-24 | 2017-01-18 | 湖北泰和电气有限公司 | Pressure and ground strength combined force measuring device |
-
2016
- 2016-06-24 CN CN201620638203.8U patent/CN205748483U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338304A (en) * | 2016-06-24 | 2017-01-18 | 湖北泰和电气有限公司 | Pressure and ground strength combined force measuring device |
| CN106338304B (en) * | 2016-06-24 | 2018-10-30 | 湖北泰和电气有限公司 | The strong combination device for measuring force of a kind of pressure and ground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20181030 |