CN205401561U - Drum -type tramcar brake's control system - Google Patents
Drum -type tramcar brake's control system Download PDFInfo
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- CN205401561U CN205401561U CN201520957695.2U CN201520957695U CN205401561U CN 205401561 U CN205401561 U CN 205401561U CN 201520957695 U CN201520957695 U CN 201520957695U CN 205401561 U CN205401561 U CN 205401561U
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- brake
- wheel cylinder
- ecu
- display
- drum
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Abstract
The utility model discloses a drum -type tramcar brake's control system, the brake drum outside is located with the brake shoe to the friction disc, be equipped with waist type hole and rotary column on the brake shoe, the waist type is downthehole to be equipped with spacing post, be equipped with the braking wheel cylinder in the heat dissipation shell, the cylinder body of braking wheel cylinder is fixed in on the heat dissipation shell inner wall, the piston rod of braking wheel cylinder is connected with the rotary column, be equipped with displacement sensor on the piston rod of braking wheel cylinder respectively, be equipped with pressure sensor in the braking wheel cylinder, be equipped with ECU and display in the mine car, displacement sensor, pressure sensor, display are connected with ECU respectively, ECU even has hydraulic pressure to divide pump controller. The utility model discloses a technique aim at provides the wearing and tearing circumstances that can understand the friction disc in real time, can come the inclined to one side mill of reduce friction piece through the hydraulic pressure in the control braking wheel cylinder, can send out the drum -type mine car brake control system that police dispatch shows when braking hydraulic pressure is not enough.
Description
Technical field
This utility model relates to drum-type mine car brake field, particularly the control system of a kind of drum-type mine car brake.
Background technology
Brake application is in various vehicles, each car will slow down in the process of moving, stop, this is accomplished by the control of brake, the reliability of brake is most important to the safety of driving, including the reliability of brake, the brake reaction time of brake, brake the factor such as braking distance be all the critical performance parameters of brake.
Vehicle brake is generally divided into drum brake and disk brake, and in mine car field, what usual brake used is all drum brake, drum brake has that cost is low, it is less to be taken up space, braking ability remarkably, safeguard the advantages such as simple.The road that mine car is generally poor in road conditions, bending, ramp length, the gradient are steep travels, can often use brake in the process of moving, and the weight of mine car is big, at the same speed, the inertia that mine car has is big, therefore the reliability of brake and the braking effect of brake is had very high requirement.The drum brake weak heat-dissipating used on mine car, after the structure of drum brake is transformed, also to have and can reasonably improved frame for movement be controlled after transformation, a set of conservative control system to drum brake can be had just to seem extremely important, this control system must accurately, reliably, simultaneously, in traditional control system, substantially all can not understand the abrasion condition of friction plate in real time and reduce the eccentric wear of friction plate, it is to avoid can not more renewal of facing renewal in time when friction plate is crossed thin.
Utility model content
The deficiency that system exists is controlled for above-mentioned mine car brake, technical purpose of the present utility model be in that to provide a kind of can understand friction plate in real time abrasion condition, the eccentric wear of friction plate can be reduced, the drum-type mine car braking control system of warning can be sent when brake fluid pressure deficiency by controlling the hydraulic pressure in wheel cylinder, this control system makes in the driving process of mine car safer.
This utility model is achieved through the following technical solutions:
nullA kind of control system of drum-type mine car brake，Described mine car brake includes: brake-shoe、Friction plate、Brake drum，Described friction plate is located on brake-shoe，Described friction plate and brake-shoe are located at outside brake drum，Described brake-shoe、Friction plate and brake drum are located at inside radiation shell，Described brake-shoe is provided with waist-shaped hole and rotary column，It is provided with limited post in described waist-shaped hole，It is provided with wheel cylinder in described radiation shell，The cylinder body of described wheel cylinder is fixed on radiation shell inwall，The piston rod of described wheel cylinder is connected with rotary column，It is characterized in that，The piston rod of described wheel cylinder is respectively equipped with displacement transducer，It is provided with pressure transducer in described wheel cylinder，ECU and display it is provided with in described mine car，Institute's displacement sensors、Pressure transducer、Display is connected with ECU respectively，Described ECU is connected with hydraulic shunt pump controller.
In technique scheme, by being provided with displacement transducer on the piston rod of wheel cylinder, displacement transducer is enable to record piston rod distance of stretch out and draw back in braking procedure, the thickness obtaining friction plate can be calculated by the distance of stretch out and draw back of piston rod, whether normal the pressure in wheel cylinder can be recorded by the pressure transducer being provided with, or in braking procedure, whether can reach the force value of braking, the data signal recorded all is sent to ECU by displacement transducer and pressure transducer, described ECU by sending the on-position signal of display brake to signal processing to display, by sending signal command to hydraulic shunt pump controller, enable to produce different force value in two groups of wheel cylinders, revise the eccentric wear situation of friction plate.
A kind of control system of drum-type mine car brake, the numerical signal of record four displacement S is passed to ECU by institute's displacement sensors, the maximum Smax of displacement it is preset with in described ECU, if during S > Smax, then described ECU is judged as that friction disc wear is excessive, and described ECU sends the information warning of display " more renewal of facing renewal " printed words to display, when S≤Smax, the real time data information of brake block thickness can be passed to display by described ECU, in order to driver understands vehicle condition；The shift value respectively S1 that described four displacement transducers record, S2, S3, S4, described S1, S2 is the displacement of the piston rod of the braking wheel cylinder that same brake-shoe is provided with, described S3, the displacement of the piston rod of the braking wheel cylinder that the same brake-shoe of S4 is provided with, described S1, wheel cylinder corresponding for S3 is same with a brake pipe, described S2, wheel cylinder corresponding for S4 is same with a brake pipe, if S1+S3-(S2+S4) during > △ S, then ECU is emitted to S1 to hydraulic shunt pump controller, oil pressurization in the wheel cylinder that S3 is corresponding, described pressure is S2, 1.2 times of oil pressure in the wheel cylinder that S4 is corresponding；
Described pressure transducer sends the fuel injection pressure signal P in the wheel cylinder recorded to ECU, the maximum Pmax of pressure it is preset with in described ECU, if P is more than Pmax, the oil pressure that then described ECU is judged as in wheel cylinder is excessive, and described ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder is less than the minimum oil pressure value that Pmin, described Pmin are during braking, then described ECU is judged as that oil pipe pipeline is destroyed, and described ECU sends the information warning of display " brakes is dangerous " printed words to display.
In technique scheme, it is located at the maximum Smax being preset with displacement in ECU in car displacement S and the ECU recorded by displacement transducer to compare, judge friction plate whether excessive wear, and the data message of friction plate is shown in display screen, by being located at the S1 of same group, the S3 S2 with same group, S4 data analysis contrasts, through type S1+S3-(S2+S4) > △ S judges friction plate whether this carries out eccentric wear correction, the eccentric wear correction of friction plate is then passed through ECU to the oil pressure size in hydraulic shunt pump control oil pipe, control friction plate two ends act on the force value on brake drum and can realize the thickness correction to friction plate；ECU, by judging the force value of pressure transducer, judges whether wheel cylinder is normally carried out work so that controlling unit is few, and control process becomes simple and reliable.
The control system of a kind of drum-type mine car brake, institute's displacement sensors is digital grating displacement sensor.
In technique scheme, displacement transducer is set to digital grating displacement sensor, described digital grating displacement sensor have measure precisely, the data measured need not can be transmitted directly to ECU and carry out the feature of data process by well lid signal processor, and digital grating displacement sensor must with shockproof can reliably working for a long time with waterproof ability.
The control system of a kind of drum-type mine car brake, described pressure transducer is resistance strain gage pressure transducer.
In technique scheme, the pressure measured due to pressure transducer is braking oil pressure, and the environment of measurement is relatively severe, therefore selects the resistance strain gage pressure transducer with antidetonation, wet goods characteristic high pressure resistant, anti-corrosion, anti-.
The beneficial effects of the utility model are:
1, by being provided with displacement transducer on the piston rod of wheel cylinder, the surveyed data of displacement transducer can send the ECU process of mine car to, and the result of process can be shown in the display so that driver can understand the working condition of brake bush in real time, if this is renewal of facing renewal more；
2, by being provided with pressure transducer in wheel cylinder, ECU is by analyzing the data of pressure transducer, thus judging whether the brakes of mine car exception occurs, the brake fault information that mine car occurs can allow driver recognize in time；
3, by the analysis of the ECU the surveyed data to displacement transducer and the surveyed data signal of pressure transducer, it is possible to whether friction plate is occurred eccentric wear and eccentric wear can be revised after there is eccentric wear so that the friction of friction plate is evenly so that braking ability is better.
Accompanying drawing explanation
Fig. 1 is control schematic diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Labelling in figure: 1 be brake-shoe, 2 be friction plate, 3 be brake drum, 4 be radiation shell, 5 be return spring, 6 be wheel cylinder, 7 be limited post, 8 be waist-shaped hole, 9 for rotary column.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
nullThe control system of a kind of drum-type mine car brake as shown in Fig. 1 and accompanying drawing 2，Described mine car brake includes: brake-shoe 1、Friction plate 2、Brake drum 3，Described friction plate 2 is located on brake-shoe 1，It is outside that described friction plate 2 and brake-shoe 1 are located at brake drum 3，Described brake-shoe 1、It is internal that friction plate 2 and brake drum 3 are located at radiation shell 4，Described brake-shoe 1 is provided with waist-shaped hole 8 and rotary column 9，It is provided with limited post 7 in described waist-shaped hole 8，It is provided with wheel cylinder 6 in described radiation shell 4，The cylinder body of described wheel cylinder 6 is fixed on radiation shell 4 inwall，The piston rod of described wheel cylinder 6 is connected with rotary column 9，It is characterized in that，The piston rod of described wheel cylinder 6 is respectively equipped with displacement transducer，It is provided with pressure transducer in described wheel cylinder 6，ECU and display it is provided with in described mine car，Institute's displacement sensors、Pressure transducer、Display is connected with ECU respectively，Described ECU is connected with hydraulic shunt pump controller；
The numerical signal of record four displacement S is passed to ECU by institute's displacement sensors, the maximum Smax of displacement it is preset with in described ECU, if during S > Smax, then described ECU is judged as friction plate 2 excessive wear, described ECU sends the information warning of display " more renewal of facing renewal " printed words to display, when S≤Smax, the real time data information of brake block thickness can be passed to display by described ECU, in order to driver understands vehicle condition；The shift value respectively S1 that described four displacement transducers record, S2, S3, S4, described S1, S2 is the displacement of the piston rod of the braking wheel cylinder 6 that same brake-shoe 1 is provided with, described S3, the displacement of the piston rod of the braking wheel cylinder 6 that the same brake-shoe 1 of S4 is provided with, described S1, wheel cylinder 6 corresponding for S3 is same with a brake pipe, described S2, wheel cylinder 6 corresponding for S4 is same with a brake pipe, if S1+S3-(S2+S4) during > △ S, then ECU is emitted to S1 to hydraulic shunt pump controller, oil pressurization in wheel cylinder 6 corresponding for S3, described pressure is S2, 1.2 times of the oil pressure in wheel cylinder 6 corresponding for S4；
Described pressure transducer sends the fuel injection pressure signal P in the wheel cylinder 6 recorded to ECU, the maximum Pmax of pressure it is preset with in described ECU, if P is more than Pmax, the oil pressure that then described ECU is judged as in wheel cylinder 6 is excessive, and described ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder 6 is less than the minimum oil pressure value that Pmin, described Pmin are during braking, then described ECU is judged as that oil pipe pipeline is destroyed, and described ECU sends the information warning of display " brakes is dangerous " printed words to display；
Institute's displacement sensors is digital grating displacement sensor, and described digital grating displacement sensor has shockproof, water-proof function；Described pressure transducer is resistance strain gage pressure transducer, and described resistance strain gage pressure transducer has antidetonation, high pressure resistant, anti-corrosion, oil-resistant function.
The process of the control system of drum-type mine car brake of the present utility model is:
1, during mine car braking, the piston rod of wheel cylinder 6 promotes brake-shoe 1 to hold shifting level with both hands to compressing brake drum, displacement transducer records the distance S that the piston rod of wheel cylinder 6 moves, if the shift value S of the friction plate that displacement transducer records is more than the maximum Smax being preset with displacement in ECU, then described ECU is judged as friction plate 2 excessive wear, described ECU sends the information warning of display " more renewal of facing renewal " printed words to display, when S≤Smax, the real time data information of brake block thickness can be passed to display by described ECU, in order to driver understands vehicle condition；The pressure transducer being provided with in wheel cylinder 6 can send the fuel injection pressure signal P in the wheel cylinder 6 recorded to ECU, the maximum Pmax of pressure it is preset with in described ECU, if P is more than Pmax, the oil pressure that then described ECU is judged as in wheel cylinder 6 is excessive, and described ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder 6 is less than the minimum oil pressure value that Pmin, described Pmin are during braking, then described ECU is judged as that oil pipe pipeline is destroyed, and described ECU sends the information warning of display " brakes is dangerous " printed words to display；If S1+S3-(S2+S4) during > △ S, then ECU is emitted to the oil pressurization in wheel cylinder corresponding to S1, S3 6 to hydraulic shunt pump controller, described pressure is 1.2 times of the oil pressure in the wheel cylinder 6 that S2, S4 are corresponding, the abrasion of friction plate 2 is adjusted poised state, making when braking, braking effect is better.
Claims (4)
- null1. the control system of a drum-type mine car brake，Described mine car brake includes: brake-shoe (1)、Friction plate (2)、Brake drum (3)，Described friction plate (2) is located on brake-shoe (1)，It is outside that described friction plate (2) and brake-shoe (1) are located at brake drum (3)，Described brake-shoe (1)、It is internal that friction plate (2) and brake drum (3) are located at radiation shell (4)，Described brake-shoe (1) is provided with waist-shaped hole (8) and rotary column (9)，Limited post (7) it is provided with in described waist-shaped hole (8)，Wheel cylinder (6) it is provided with in described radiation shell (4)，The cylinder body of described wheel cylinder (6) is fixed on radiation shell (4) inwall，The piston rod of described wheel cylinder (6) is connected with rotary column (9)，It is characterized in that，The piston rod of described wheel cylinder (6) is respectively equipped with displacement transducer，Described wheel cylinder is provided with pressure transducer in (6)，ECU and display it is provided with in described mine car，Institute's displacement sensors、Pressure transducer、Display is connected with ECU respectively，Described ECU is connected with hydraulic shunt pump controller.
- 2. the control system of drum-type mine car brake according to claim 1, it is characterized in that, the numerical signal of record four displacement S is passed to ECU by institute's displacement sensors, the maximum Smax of displacement it is preset with in described ECU, if during S > Smax, then described ECU is judged as friction plate (2) excessive wear, described ECU sends the information warning of display " more renewal of facing renewal " printed words to display, when S≤Smax, the real time data information of brake block thickness can be passed to display by described ECU, in order to driver understands vehicle condition；The shift value respectively S1 that described four displacement transducers record, S2, S3, S4, described S1, S2 is the displacement of the piston rod of the braking wheel cylinder (6) that same brake-shoe (1) is provided with, described S3, the displacement of the piston rod of the braking wheel cylinder (6) that the same brake-shoe of S4 (1) is provided with, described S1, wheel cylinder (6) corresponding for S3 is same with a brake pipe, described S2, wheel cylinder (6) corresponding for S4 is same with a brake pipe, if S1+S3-(S2+S4) during > △ S, then ECU is emitted to S1 to hydraulic shunt pump controller, oil pressurization in wheel cylinder (6) corresponding for S3, described pressure is S2, 1.2 times of the oil pressure in wheel cylinder (6) corresponding for S4；Described pressure transducer sends the fuel injection pressure signal P in the wheel cylinder (6) recorded to ECU, the maximum Pmax of pressure it is preset with in described ECU, if P is more than Pmax, the oil pressure that then described ECU is judged as in wheel cylinder (6) is excessive, and described ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder (6) is less than the minimum oil pressure value that Pmin, described Pmin are during braking, then described ECU is judged as that oil pipe pipeline is destroyed, and described ECU sends the information warning of display " brakes is dangerous " printed words to display.
- 3. the control system of drum-type mine car brake according to claim 1 and 2, is characterized in that, institute's displacement sensors is digital grating displacement sensor.
- 4. the control system of drum-type mine car brake according to claim 1 and 2, is characterized in that, described pressure transducer is resistance strain gage pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520957695.2U CN205401561U (en) | 2015-11-26 | 2015-11-26 | Drum -type tramcar brake's control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520957695.2U CN205401561U (en) | 2015-11-26 | 2015-11-26 | Drum -type tramcar brake's control system |
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| Publication Number | Publication Date |
|---|---|
| CN205401561U true CN205401561U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520957695.2U Expired - Fee Related CN205401561U (en) | 2015-11-26 | 2015-11-26 | Drum -type tramcar brake's control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205401561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801712A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of control system of mine car brake |
| CN106801711A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of control system of drum-type mine car brake |
-
2015
- 2015-11-26 CN CN201520957695.2U patent/CN205401561U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801712A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of control system of mine car brake |
| CN106801711A (en) * | 2015-11-26 | 2017-06-06 | 成都九十度工业产品设计有限公司 | A kind of control system of drum-type mine car brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20161126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |