CN105041743A - Stepless speed regulating control system of pneumatic monorail crane - Google Patents
Stepless speed regulating control system of pneumatic monorail crane Download PDFInfo
- Publication number
- CN105041743A CN105041743A CN201510545618.0A CN201510545618A CN105041743A CN 105041743 A CN105041743 A CN 105041743A CN 201510545618 A CN201510545618 A CN 201510545618A CN 105041743 A CN105041743 A CN 105041743A
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- Prior art keywords
- valve
- series flow
- flow control
- communicated
- speed regulating
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
Abstract
The invention provides a stepless speed regulating control system of a pneumatic monorail crane. The stepless speed regulating control system consists of an air source processing system, a speed regulating reversing handle, a pneumatic motor power system and a pressure flow speed regulating system, wherein the air source processing system consists of an oil-water separator, a pressure reducing valve, a filter and an atomized lubricator; the speed regulating reversing handle is integrated by control handles of two pressure adjusting valves and an auxiliary reversing valve; the pressure flow speed regulating system consists of four speed regulating valves; and compressed air is supplied to a pneumatic motor, a cylinder and the speed regulating reversing handle for use by the air source processing system. The control system can precisely control the air pressure and flow to realize the stepless speed regulating power walking and the brake stopping of the pneumatic monorail crane, and can realize slow starting and braking to prevent quick starting/stopping phenomenon, so that the wear of a brake friction wheel is reduced, the monorail crane can operate more smoothly, and the stepless speed regulating purpose of the monorail crane can be realized; and the stepless speed regulating control system improves the operation reliability and safety of the monorail crane.
Description
Technical field
The present invention relates to monorail crane, be specifically related to a kind of pneumatic monorail crane stepless speed regulation control system.
Background technique
The pneumatic monorail crane of domestic current use does not have speed-regulating function, operating grip can only limit the logical and disconnected of gas, the change of tolerance and air pressure can not be controlled, therefore produce when starting and brake and play soon soon stop phenomenon, increase the wearing and tearing to friction wheel, meanwhile, monorail crane main frame runs easily unstable, monorail crane and lifting part are easily impacted, easily causes security incident.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of pneumatic monorail crane stepless speed regulation control system, this system utilizes source of the gas to provide power for pneumatic monorail crane, rising soon and stopping phenomenon soon when pneumatic monorail crane effectively can be avoided to start and brake, the wearing and tearing to friction wheel can be reduced, the stable operation of monorail crane main frame can be ensured, the safety coefficient of monorail crane can be improved.
The invention provides a kind of pneumatic monorail crane stepless speed regulation control system, comprise source of the gas, cylinder, master control selector valve, the output pipe of described source of the gas is divided into two-way, and a road is communicated with cylinder through the suction port of master control selector valve, and another road is communicated with the suction port of series flow control valve B, series flow control valve D respectively;
The exhaust ports of described series flow control valve B has two shunt, a shunt is communicated with the suction port of series flow control valve A, another is communicated with first working hole of motor A, first working hole of motor B along separate routes respectively, the exhaust ports of described series flow control valve D has two shunt, a shunt is communicated with the suction port of series flow control valve C, and another is communicated with second working hole of motor B, second working hole of motor A along separate routes respectively;
The suction port of described master control selector valve is also communicated with the suction port of auxiliary control selector valve, the suction port of pressure regulator valve A, the suction port of pressure regulator valve B respectively, the working hole of described auxiliary control selector valve is communicated with the control mouth of master control selector valve, the relief opening of described pressure regulator valve A is communicated with the control mouth of series flow control valve D with series flow control valve A respectively, and the relief opening of described pressure regulator valve B is communicated with the control mouth of series flow control valve C with series flow control valve B respectively.
Also comprise baffler assembly, described baffler assembly is communicated with the relief opening of master control selector valve with the relief opening of the relief opening of series flow control valve A, motor A, motor B, series flow control valve C respectively.Like this, the noise pollution that system produces can be reduced.
The output pipe of described source of the gas is disposed with oil and water seperator, reduction valve, filter and oil sprayer.Oil and water seperator is for separating of impurity such as the moisture condensed in pressurized air and oil contents, leading to makes pressurized air obtain preliminary purification, reduction valve is for purifying source of the gas, adjustable pressure, liquid water in pressurized air, liquid oil droplet are separated by filter, and dust in elimination air and solid impurity, lubricant oil is atomized by oil sprayer, and add in air stream, enter portion requiring lubrication with pressurized air.
The present invention can form regulating handle by two pressure regulator valves and auxiliary control selector valve; and then namely can the air pressure of supply motor and flow in control system by the control of regulating handle; while monorail crane work; cylinder can shrink in air inlet, and brake spring shrinks, and braking brake shoe is opened; disorbit; monorail crane can steadily be walked, and this invention can realize the walking of pneumatic monorail crane stepless speed regulation power and brake application stoping, realizes starting at a slow speed and braking.Can effectively avoid pneumatic monorail crane start and braking time play soon soon stop phenomenon, decrease the impact of stopping brake to friction disk, improve monorail crane reliability of operation and Security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, source of the gas, 2, cylinder, 3, master control selector valve, 4, oil and water seperator, 5, reduction valve, 6, filter, 7, oil sprayer, 8, series flow control valve A, 9, series flow control valve B, 10, series flow control valve C, 11, series flow control valve D, 12, motor A, 13, motor B, 14, pressure series flow control valve A, 15, pressure series flow control valve B, 16, auxiliary control selector valve, 17, baffler assembly.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of pneumatic monorail crane stepless speed regulation control system, comprise source of the gas 1, cylinder 2, master control selector valve 3, the output pipe of described source of the gas 1 is divided into two-way, one tunnel is communicated with cylinder 2 through the suction port of master control selector valve 3, and another road is communicated with the suction port of series flow control valve B9, series flow control valve D11 respectively;
The exhaust ports of described series flow control valve B9 has two shunt, a shunt is communicated with the suction port of series flow control valve A8, another is communicated with first working hole of motor A12, first working hole of motor B13 along separate routes respectively, the exhaust ports of described series flow control valve D11 has two shunt, a shunt is communicated with the suction port of series flow control valve C10, and another is communicated with second working hole of motor B13, second working hole of motor A12 along separate routes respectively;
The suction port of described master control selector valve 3 is also communicated with the suction port of auxiliary control selector valve 16, the suction port of pressure regulator valve A14, the suction port of pressure regulator valve B15 respectively, the working hole of described auxiliary control selector valve 16 is communicated with the control mouth of master control selector valve 3, the relief opening of described pressure regulator valve A14 is communicated with the control mouth of series flow control valve D11 with series flow control valve A8 respectively, and the relief opening of described pressure regulator valve B15 is communicated with the control mouth of series flow control valve C10 with series flow control valve B9 respectively.
Also comprise baffler assembly 17, described baffler assembly is communicated with the relief opening of master control selector valve 3 with the relief opening of the relief opening 8 of series flow control valve A, motor A12, motor B13, series flow control valve C10 respectively.Like this, the noise pollution that system produces can be reduced.
The output pipe of described source of the gas 1 is disposed with oil and water seperator 4, reduction valve 5, filter 6 and oil sprayer 7.Oil and water seperator 4 is for separating of impurity such as the moisture condensed in pressurized air and oil contents, leading to makes pressurized air obtain preliminary purification, reduction valve 5 is for purifying source of the gas, adjustable pressure, liquid water in pressurized air, liquid oil droplet are separated by filter 6, and dust in elimination air and solid impurity, lubricant oil is atomized by oil sprayer 7, and add in air stream, enter portion requiring lubrication with pressurized air.
In actual use, in order to realize modularization, oil and water seperator 4, reduction valve 5, filter 6 and oil sprayer 7 source of the gas processing system can be formed; Make the speed-regulating handle of pressure regulator valve A14, pressure regulator valve B15 and the reversing handle of auxiliary selector valve 16 can be integrated into a speed governing reversing handle; Make series flow control valve A8, series flow control valve B9, series flow control valve C10, series flow control valve D11 decomposition pressure flow speed control system.
Working principle: master control selector valve 3 is gas control two position three way directional control valve; Auxiliary control selector valve 16 is manual two position three way directional control valve; Suction port, the pressure regulator valve B15 of pressure regulator valve A14 are Normally closed type, and are the valve body of linear flow flow characteristic, and it is manual mode of speed regulation; Series flow control valve A8, series flow control valve B9, series flow control valve C10, series flow control valve D11 are Normally closed type, by its work of control mouth pressurized control on it; When not running, master control selector valve 3 is operated in left position, and auxiliary control selector valve 16 is operated in right position; When master control selector valve 3 is operated in left position, its working hole is communicated with relief opening, and its suction port and working hole block, and when master control selector valve 3 is operated in right position, its suction port is communicated with working hole, and its working hole and relief opening block; When auxiliary control selector valve 16 is operated in left position, its working hole is communicated with relief opening, and its suction port and working hole block, and when auxiliary control selector valve 16 is operated in right position, its suction port is communicated with working hole, and its working hole and relief opening block.When forward runs, it is system air feed that source of the gas 1 passes through oil and water seperator 4, reduction valve 5, filter 6 and oil sprayer 7 successively, due to master control selector valve 3 initial time be operated in left position, now, the working hole of master control selector valve 3 is communicated with relief opening, the piston rod of cylinder 2 keeps retracted position, and stopping brake is operated in retarder location, due to, the suction port of master control selector valve 3 also respectively with the suction port of auxiliary control selector valve 16, the suction port of pressure regulator valve A14, the suction port of pressure regulator valve B15 is communicated with, and auxiliary control selector valve 16 initialization is in right position, so the pressurized air entering auxiliary control selector valve 16 enters the control mouth of master control selector valve 3 by its working hole, when the pressure of the control mouth of master control selector valve 3 is elevated to setting value, master control selector valve 3 commutation work is in right position, now, the pressurized air entering master control selector valve 3 enters cylinder 2 through its working hole, the piston rod of cylinder 2 shrinks, stopping brake unclamps, simultaneously, the speed governing of operation pressure modulating valve B15 is manual, its suction port is communicated with working hole, pressurized air enters series flow control valve B9 respectively, the control mouth of series flow control valve C10, control series flow control valve B9, the suction port of series flow control valve C10 is communicated with working hole, pressurized air enters first working hole of motor A12 and first working hole of motor B13 respectively through series flow control valve B9, motor A12 and motor B13 is rotated forward, and by series flow control valve C10 Exhaust Gas to baffler assembly, the rotating speed of motor A12 and motor B13 is controlled by the speed governing manual control of pressure regulator valve B15, the opening degree size of the speed governing manual pilot pressure modulating valve B15 of pressure regulator valve B15, thus by controlling series flow control valve B9, the size of series flow control valve C10 opening controls the rotating speed of motor A12 and motor B13.
When inverted running, master control selector valve 3 is operated in left position, auxiliary control selector valve 16 initialization is in right position, the pressurized air entering master control selector valve 3 suction port enters the control mouth of master control selector valve 3 through auxiliary control selector valve 16, and then impel master control selector valve 3 to commutate, make it be operated in right position, the pressurized air entering master control selector valve 3 enters cylinder 2 through its working hole, the piston rod of cylinder 2 shrinks, and stopping brake unclamps, simultaneously, the speed governing of operation pressure modulating valve A14 is manual, its suction port is communicated with working hole, pressurized air enters series flow control valve A8 respectively, the control mouth of series flow control valve D12, control series flow control valve A8, the suction port of series flow control valve D12 is communicated with working hole, pressurized air enters second working hole of motor B13 and second working hole of motor A12 respectively through series flow control valve D12, motor A12 and motor B13 is reversed, and by series flow control valve A8 Exhaust Gas to baffler assembly, the rotating speed of motor A12 and motor B13 is controlled by the speed governing manual control of pressure regulator valve A14, the opening degree size of the speed governing manual pilot pressure modulating valve A14 of pressure regulator valve A14, thus by controlling series flow control valve A8, the size of series flow control valve D12 opening controls the rotating speed of motor A12 and motor B13.
In running, operator can carry out the air pressure of governor motor by the speed governing manual control of operation pressure modulating valve A14, pressure regulator valve B15 according to actual conditions, control the motion speed of monorail crane with this.
When needs are out of service, it is made to commutate by the reversing handle of auxiliary control selector valve 16, auxiliary control selector valve 16 is made to be operated in left position, its working hole is communicated with relief opening, gas in the control mouth of master control selector valve 3 is discharged by the relief opening of auxiliary control selector valve 16, master control selector valve 3 commutation work is in left position, and the pressurized air in cylinder 2 is discharged through the relief opening of master control selector valve 3; Zero-bit is got back in the speed governing manual control of operation pressure modulating valve A14, pressure regulator valve B15 simultaneously, thus makes series flow control valve A8, series flow control valve B9, series flow control valve C10, series flow control valve D11 be in closed condition; Like this, namely motor stopped running, and stopping brake is closed locking simultaneously.
This invention can realize the walking of pneumatic monorail crane stepless speed regulation power and brake application stoping, realizes starting at a slow speed and brake and by making series flow control valve blocking-up realize the braking fast of monorail crane while cylinder venting.Can effectively avoid pneumatic monorail crane start and braking time play soon soon stop phenomenon, decrease the impact of stopping brake to friction disk, improve monorail crane reliability of operation and Security.
Claims (3)
1. a pneumatic monorail crane stepless speed regulation control system, comprises source of the gas (1), cylinder (2), it is characterized in that, also comprise master control selector valve (3),
The output pipe of described source of the gas (1) is divided into two-way, and a road is communicated with cylinder (2) through the suction port of master control selector valve (3), another road respectively with series flow control valve B(9), series flow control valve D(11) suction port be communicated with;
Described series flow control valve B(9) exhaust ports there are two shunt, a shunt and series flow control valve A(8) suction port be communicated with, another along separate routes respectively with motor A(12) the first working hole, motor B(13) the first working hole be communicated with, described series flow control valve D(11) exhaust ports there are two shunt, a shunt and series flow control valve C(10) suction port be communicated with, another along separate routes respectively with motor B(13) the second working hole, motor A(12) the second working hole be communicated with;
The suction port of described master control selector valve (3) also respectively with suction port, the pressure regulator valve A(14 of auxiliary control selector valve (16)) suction port, pressure regulator valve B(15) suction port be communicated with, the working hole of described auxiliary control selector valve (16) is communicated with the control mouth of master control selector valve (3), described pressure regulator valve A(14) relief opening respectively with series flow control valve A(8) with series flow control valve D(11) control mouth be communicated with, described pressure regulator valve B(15) relief opening respectively with series flow control valve B(9) with series flow control valve C(10) control mouth be communicated with.
2. one according to claim 1 pneumatic monorail crane stepless speed regulation control system, it is characterized in that, also comprise baffler assembly (17), described baffler assembly respectively with relief opening (8), the motor A(12 of series flow control valve A), motor B(13), series flow control valve C(10) relief opening be communicated with the relief opening of master control selector valve (3).
3. one according to claim 1 and 2 pneumatic monorail crane stepless speed regulation control system, is characterized in that, the output pipe of described source of the gas (1) is disposed with oil and water seperator (4), reduction valve (5), filter (6) and oil sprayer (7).
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CN201510545618.0A CN105041743B (en) | 2015-08-31 | 2015-08-31 | A kind of pneumatic monorail crane stepless speed regulation control system |
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CN201510545618.0A CN105041743B (en) | 2015-08-31 | 2015-08-31 | A kind of pneumatic monorail crane stepless speed regulation control system |
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CN105041743B CN105041743B (en) | 2017-08-25 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105776014A (en) * | 2016-05-20 | 2016-07-20 | 淮北市中安矿机设备有限公司 | Pneumatic monorail crane |
CN105858428A (en) * | 2016-05-10 | 2016-08-17 | 沙尔夫矿山机械(徐州)有限公司 | Small pneumatic single-rail transportation device for underground coal mine |
CN108856075A (en) * | 2018-06-05 | 2018-11-23 | 中车青岛四方机车车辆股份有限公司 | Gear-box flusher |
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JPS58225202A (en) * | 1982-06-23 | 1983-12-27 | Katsuichi Saito | Speed control system |
CN2072921U (en) * | 1990-02-10 | 1991-03-13 | 于士真 | Compressed air energy accumulation locomotive |
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US6230606B1 (en) * | 1998-05-15 | 2001-05-15 | Smc Kabushiki Kaisha | Speed control apparatus for cylinder |
CN101201074A (en) * | 2006-12-15 | 2008-06-18 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Control apparatus for eliminating reversing shake of dbl act gas cylinder |
DE202011103269U1 (en) * | 2011-07-16 | 2011-12-23 | Dürr Technik GmbH & Co.KG | Compressed air supply system |
CN203667831U (en) * | 2013-12-24 | 2014-06-25 | 安徽山河矿业装备股份有限公司 | Drive control system of pneumatic monorail crane |
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2015
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Patent Citations (7)
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JPS58225202A (en) * | 1982-06-23 | 1983-12-27 | Katsuichi Saito | Speed control system |
CN2072921U (en) * | 1990-02-10 | 1991-03-13 | 于士真 | Compressed air energy accumulation locomotive |
CN1149787A (en) * | 1996-03-31 | 1997-05-14 | 施汉基 | Stepless speed regulating system for electrohydraulic asynchronous motor |
US6230606B1 (en) * | 1998-05-15 | 2001-05-15 | Smc Kabushiki Kaisha | Speed control apparatus for cylinder |
CN101201074A (en) * | 2006-12-15 | 2008-06-18 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Control apparatus for eliminating reversing shake of dbl act gas cylinder |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105858428A (en) * | 2016-05-10 | 2016-08-17 | 沙尔夫矿山机械(徐州)有限公司 | Small pneumatic single-rail transportation device for underground coal mine |
CN105776014A (en) * | 2016-05-20 | 2016-07-20 | 淮北市中安矿机设备有限公司 | Pneumatic monorail crane |
CN108856075A (en) * | 2018-06-05 | 2018-11-23 | 中车青岛四方机车车辆股份有限公司 | Gear-box flusher |
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