CN209802679U - High-horsepower bulldozer brake system calibration device - Google Patents
High-horsepower bulldozer brake system calibration device Download PDFInfo
- Publication number
- CN209802679U CN209802679U CN201920823169.5U CN201920823169U CN209802679U CN 209802679 U CN209802679 U CN 209802679U CN 201920823169 U CN201920823169 U CN 201920823169U CN 209802679 U CN209802679 U CN 209802679U
- Authority
- CN
- China
- Prior art keywords
- brake pedal
- brake
- dog
- stop gear
- controller
- Prior art date
- 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.)
- Active
Links
Landscapes
- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model relates to a high horsepower bull-dozer braking system calibration device, brake pedal installation axle head portion passes through brake rotary mechanism and installs on footboard fixed establishment, installs angle sensor on the brake rotary mechanism, and angle sensor's signal output part is connected at the controller, and controller and display instrument all with CAN bus connection, are provided with symmetrical structure's dog at brake pedal installation axle head portion, install on the footboard fixed establishment with dog matched with last stop gear and lower stop gear, go up stop gear and locate brake pedal predetermine rotation initial state extreme position, and CAN with the dog offsets, lower stop gear locates brake pedal predetermines rotation and steps on down state extreme position, and CAN with the dog offsets. The utility model discloses following beneficial effect has: the data calibration of the braking system by using a computer instead of manpower is greatly improved, the automatic control system of the vehicle is greatly improved, the maintenance cost is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a high horsepower bull-dozer braking system calibration device belongs to bull-dozer braking system technical field.
Background
At present, a high-horsepower bulldozer is widely applied, the reliability of a brake system directly influences the performance of the bulldozer, and in order to ensure the reliability of the brake system, a mechanical connecting rod is adopted to connect a brake pedal and a brake valve rod, a structure of an electric control brake system is partially added, an angle sensor is arranged on a brake rotating mechanism, the time is long, due to the abrasion and adjustment of the mechanical structure or the back and forth disassembly and assembly in the maintenance process, the voltage of a foot brake sensor calibrated from a factory can generate data drift after one-time maintenance or replacement of the sensor, the system can not brake or brake in advance, and the foot brake sensor and the mechanical structure can not work synchronously, so that the foot brake sensor and the mechanical structure are inconsistent or repaired greatly each time, and technicians are often required to recalibrate the voltage range of the foot brake sensor by using computer equipment after the damaged sensor is replaced, therefore, the system works in a normal range, the working efficiency of the system is directly influenced, the labor intensity of users is increased, and the reliability and the stability of the system are reduced.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the problems, a calibration device for a brake system of a high-horsepower bulldozer is provided.
The utility model discloses a high horsepower bull-dozer braking system calibration device, including brake pedal, angle sensor, controller, display instrument, CAN bus, braking rotary mechanism and pedal fixed establishment, brake pedal installation axle head portion is installed on pedal fixed establishment through braking rotary mechanism, install angle sensor on the braking rotary mechanism, angle sensor's signal output part is connected at the controller, controller and display instrument all are connected with CAN bus, brake pedal installation axle head portion is provided with symmetrical structure's dog, install upper stop gear and lower stop gear with dog matched with on the pedal fixed establishment, upper stop gear locates brake pedal's predetermined rotation initial state extreme position, and CAN offset with the dog, lower stop gear locates brake pedal's predetermined rotation state extreme position of stepping down, and can abut against the stop block.
Preferably, the upper limit mechanism and the lower limit mechanism have the same structure and respectively comprise a fixing nut fixed on the pedal fixing mechanism and a bolt in threaded connection with the fixing nut, and the head of the bolt can abut against the stop block.
Preferably, the upper limiting mechanism and the lower limiting mechanism are respectively provided with a locking nut, the locking nuts are in threaded connection with the bolt bodies of the bolts, and the locking nuts are used for ensuring that the calibrated braking system value can stably work in a calibrated range within a certain time after the initial state and the completely treaded state of the brake pedal are adjusted and the locking nuts are used for locking.
Preferably, in the initial state, a sensor mounting groove for mounting the angle sensor and the mounting fixing thread which are formed in the braking rotating mechanism are in a parallel structure, so that the consistency of calibration data in the initial state is ensured.
The utility model discloses a theory of operation: the device is provided with a stop block with a symmetrical structure at the end part of a brake pedal mounting shaft, the stop block is vertically arranged with the axial direction of a rotating shaft, the two sides of the stop block are respectively provided with an upper limit mechanism and a lower limit mechanism of the pedal, the range of the upper limit mechanism and the lower limit mechanism limits the full range of the brake pedal in an initial state and a treading state, the upper limit mechanism and the lower limit mechanism are respectively provided with a locking nut, after the initial state and the fully treading state of the brake pedal are adjusted, the locking nut is used for locking, the calibrated brake system value CAN stably work in the calibrated range within a certain time, simultaneously, a sensor mounting groove and a mounting fixed thread in the initial state of the device are in a parallel structure, the consistency of calibration data in the initial state is ensured, the initially calibrated value CAN be amplified in equal proportion through a CAN bus between a controller and the instrument and then is sent and displayed on a display instrument, the calibration precision of the system and the intuition of calibration data are further improved. The application of the device mechanism not only improves the working efficiency and reduces the labor and energy consumption, but also is easy to maintain and has good use value. The whole calibration process can be visually displayed on the instrument panel, so that an operator can visually know the current calibration data, and the calibration can be successful at one time no matter the data drift is caused by overhaul, mechanical structure abrasion or frequent use, the calibration precision is high, the efficiency is high, and the labor intensity of the operator is greatly reduced. Problems of previous vehicles can be fundamentally avoided. The mechanism CAN calibrate data on site without technicians, visually calibrate and adjust the calibrated data, has a compact structure, is simple and convenient to implement, and comprises a brake pedal, a stop block, an upper limiting mechanism, a lower limiting mechanism, an angle sensor, a controller, a display instrument and a CAN bus 8 large module, so that the mechanism of the whole patent content is completed.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. High horse power bull-dozer braking system calibration device, utilize controller and intelligent instrument's automation and visual control function, real-time braking system's braking sensor scope under showing current state has replaced the manual work to use the computer to come to mark braking system's data, has improved the automatic control system of vehicle greatly, has reduced and the maintenance cost, has improved work efficiency.
2. the technology of the patent fundamentally finishes the work of replacing and calibrating the angle sensor of the system without the assistance of other personnel and equipment in the field, saves energy consumption, has simple structure, convenient use and obvious effect, and can be widely applied to engineering machinery with a brake sensor.
3. The control technology of the structure belt increases human and interactive interfaces by introducing the controller and the intelligent instrument, and can visually prompt the current state range of the brake system of an operator.
4. At present, machines with brake sensors are not provided with intelligent devices with the structure, the automatic calibration control of the machines can be filled and perfected, the safe use of a brake system is better protected, the system uses a controller and an intelligent instrument, the shape is small and exquisite, the use is simple, the performance is stable, the cost performance is high, and the intelligent calibration device can be widely applied to various types of devices needing to finish intelligent calibration on a bulldozer brake system.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a brake system calibration device of a high-horsepower bulldozer according to an embodiment of the present invention;
Fig. 2 is a schematic view of an internal control structure provided in an embodiment of the present invention.
In the figure: 1. brake pedal 2, dog 3, last stop gear 4, lower stop gear 5, angle sensor 6, controller 7, display instrument 8, CAN bus 9, braking rotary mechanism 10, footboard fixed establishment.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
The present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
examples
As shown in fig. 1-2, the calibration device for the brake system of the high-horsepower bulldozer comprises a brake pedal 1, an angle sensor 5, a controller 6, a display instrument 7, a CAN bus 8, a brake rotating mechanism 9 and a pedal fixing mechanism 10, wherein the end part of an installation shaft of the brake pedal 1 is installed on the pedal fixing mechanism 10 through the brake rotating mechanism 9, the brake rotating mechanism 9 is provided with the angle sensor 5, the signal output end of the angle sensor 5 is connected with the controller 6, the controller 6 and the display instrument 7 are both connected with the CAN bus 8, the end part of the installation shaft of the brake pedal 1 is provided with a stopper 2 with a symmetrical structure, the pedal fixing mechanism 10 is provided with an upper limit mechanism 3 and a lower limit mechanism 4 which are matched with the stopper 2, the upper limit mechanism 3 is arranged at a preset rotation initial state limit position of the brake pedal 1 and CAN abut against the stopper 2, the lower limiting mechanism 4 is arranged at the limit position of the preset rotating treading state of the brake pedal 1 and can be abutted against the stop block 2.
In this embodiment, the upper limit mechanism 3 and the lower limit mechanism 4 have the same structure, and both include a fixing nut fixed on the pedal fixing mechanism 10, and a bolt in threaded connection with the fixing nut, and the head of the bolt can abut against the stopper 2; the upper limiting mechanism 3 and the lower limiting mechanism 4 are respectively provided with a locking nut, the locking nuts are in threaded connection with bolt bodies of bolts and are used for ensuring that a calibrated braking system value can stably work in a calibrated range within a certain time after the initial state and the completely treaded state of the brake pedal 1 are adjusted and the locking nuts are used for locking; in the initial state, a sensor mounting groove for mounting the angle sensor 5 and a mounting fixing thread which are arranged on the braking rotating mechanism 9 are in a parallel structure, so that the consistency of calibration data in the initial state is ensured.
The working principle of the specific embodiment is as follows: firstly, the device is provided with a stop block with a symmetrical structure at the end part of a brake pedal mounting shaft, the stop block is vertically arranged with the axial direction of a rotating shaft, the two sides of the stop block are respectively provided with an upper limit mechanism and a lower limit mechanism of a pedal, the range of the upper limit mechanism and the lower limit mechanism limits the full range of the brake pedal in an initial state and a treading state, the upper limit mechanism and the lower limit mechanism are respectively provided with a locking nut, after the initial state and the fully treading state of the brake pedal are adjusted, the locking nut is used for locking, the calibrated brake system value CAN stably work in the calibrated range within a certain time, simultaneously, a sensor mounting groove and a mounting fixed thread in the initial state of the device are in a parallel structure, the consistency of calibrated data in the initial state is ensured, the initially calibrated value CAN be amplified in equal proportion through a CAN bus between a controller and an instrument and then is sent and displayed on a display instrument, the calibration precision and the intuitiveness of calibration data of the system are further improved, for example, in the initial state, the voltage value of the sensor calibrated by the brake system is 0.5V, the voltage value of the sensor of the brake system after being stepped is 4.5V, after the application of the utility model, the value set in the initial state is calibrated and displayed in the control system as "0", the value after being stepped is calibrated and displayed as "1000", which is equivalent to the original precision being amplified in equal proportion, therefore, in the using process, after the data of the brake system caused by other reasons drift, the drifting value can be clearly reflected on the instrument, the operator can be intuitively provided to adjust in which direction to correct the drift of the system, the lower limit value exceeds the calibrated 1000 value, if the phenomenon of illegal braking occurs, the brake system needs to be calibrated again, only after the operator opens the instrument calibration interface, after the current calibration data state is checked, the lower limit locking nut is manually adjusted according to the state prompt, so that the use requirement of the brake system can be met after the lower limit value reaches 1000 values and the locking nut is fastened, and the operation and the adjustment are simple. Meanwhile, after the angle sensor is replaced due to faults and the like, technicians do not need to calibrate the replaced brake system sensor again on site by using computer equipment, and the requirements of the brake system can be met only by adjusting the locking nuts with the upper limit and the lower limit to enable the initial state and the fully-treaded state of the newly-installed sensor to be within the range of 0-1000 after the new sensor is installed.
Interpretation of related terms
A braking system: the mechanical mechanism of the brake pedal is used for operating the movement of the brake valve core to brake or release the brake system, and meanwhile, in order to realize the reliability of the brake system, a mechanism with the existence of the mechanical mechanism and the electric control proportioning mechanism is designed to realize the high reliability of the brake system.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a high horsepower bull-dozer braking system calibration device, including brake pedal (1), angle sensor (5), controller (6), display instrument (7), CAN bus (8), braking rotary mechanism (9) and footboard fixed establishment (10), install on footboard fixed establishment (10) through braking rotary mechanism (9) brake pedal (1) installation axle head portion, install angle sensor (5) on braking rotary mechanism (9), the signal output part of angle sensor (5) is connected at controller (6), controller (6) and display instrument (7) all are connected with CAN bus (8), its characterized in that: the brake pedal (1) is provided with dog (2) of symmetrical structure at installation axle tip, install on footboard fixed establishment (10) with dog (2) matched with last stop gear (3) and stop gear (4) down, it locates to go up stop gear (3) the rotation initial state extreme position of predetermineeing of brake pedal (1), and can with dog (2) offset, stop gear (4) are located down brake pedal (1) predetermine the rotation and step on down state extreme position, and can with dog (2) offset.
2. The brake system calibration device for a high-horsepower bulldozer according to claim 1, wherein: the upper limiting mechanism (3) and the lower limiting mechanism (4) are identical in structure and respectively comprise a fixing nut fixed on the pedal fixing mechanism (10) and a bolt in threaded connection with the fixing nut, and the head of the bolt can abut against the stop block (2).
3. The high-horsepower bulldozer brake calibration device according to claim 2, wherein: and the upper limiting mechanism (3) and the lower limiting mechanism (4) are respectively provided with a locking nut, and the locking nuts are in threaded connection with the bolt bodies of the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823169.5U CN209802679U (en) | 2019-06-03 | 2019-06-03 | High-horsepower bulldozer brake system calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823169.5U CN209802679U (en) | 2019-06-03 | 2019-06-03 | High-horsepower bulldozer brake system calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802679U true CN209802679U (en) | 2019-12-17 |
Family
ID=68833363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920823169.5U Active CN209802679U (en) | 2019-06-03 | 2019-06-03 | High-horsepower bulldozer brake system calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802679U (en) |
-
2019
- 2019-06-03 CN CN201920823169.5U patent/CN209802679U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104515684B (en) | In-situ calibrating device with loaded direct-current torque motor and loaded driving ball screw assembly | |
| CN107101767B (en) | Automatic calibration device and method for steering wheel force angle instrument of motor vehicle | |
| CN108680191B (en) | Device for monitoring loosening of bolt | |
| CN201566601U (en) | Electronic brake pedal | |
| EP2019767A1 (en) | Method and device for setting and activating a hydrodynamic retarder of a motor vehicle | |
| CN209802679U (en) | High-horsepower bulldozer brake system calibration device | |
| CN202165088U (en) | Automatic guide control mechanism of pipe jacking machine | |
| CN103900496B (en) | Link-type agricultural vehicle wheel outer corner measurement mechanism and measuring method | |
| CN104089782B (en) | The consumption liquid measure test device and method of testing that a kind of hydraulic brake caliper is comprehensive performance test bed | |
| CN202994123U (en) | Connecting rod farm machinery wheel angle measuring mechanism | |
| CN102001586B (en) | Caterpillar crane rotary reset position detector and installation method thereof | |
| CN204831636U (en) | Vehicle tie rod axial force transducer and axial force test system | |
| CN207992804U (en) | A kind of heat protection function endurance test control system of seat motor | |
| CN101392391B (en) | Electrobath anode limiting pulse counting method and device | |
| CN203572658U (en) | Automobile high idle speed pollutant discharge detection auxiliary tool | |
| CN206919916U (en) | The rotation of gearbox built-in motor becomes demarcation test device and system | |
| CN202194597U (en) | Automatic control system for monitoring torque of oil well sleeve wrench | |
| CN204161335U (en) | A kind of automobile hand brake stroke adjusting device | |
| CN104924900B (en) | Gerotor type clutch pedal height adjuster | |
| CN211661475U (en) | Track bolt automatic tightening device capable of judging authenticity of torque value | |
| CN211783364U (en) | Idle stroke measuring device of steel cable | |
| CN206235315U (en) | A kind of crankshaft free-end angle detection device | |
| CN204904012U (en) | Online measurement and control device of electric automobile power drive system | |
| CN210516359U (en) | Anti-torsion tool for column type composite insulator | |
| CN210426607U (en) | Absolute value encoder linearity checking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |