CN2656391Y - Hydraulic brake device for hoister - Google Patents
Hydraulic brake device for hoister Download PDFInfo
- Publication number
- CN2656391Y CN2656391Y CN 200320106083 CN200320106083U CN2656391Y CN 2656391 Y CN2656391 Y CN 2656391Y CN 200320106083 CN200320106083 CN 200320106083 CN 200320106083 U CN200320106083 U CN 200320106083U CN 2656391 Y CN2656391 Y CN 2656391Y
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- CN
- China
- Prior art keywords
- oil return
- braking oil
- return apparatus
- valve
- brake
- 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.)
- Expired - Fee Related
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model is a novel hydraulic brake device used by a disc brake type brake arranged at an elevator. The utility model is composed of the current hydraulic brake device and an additional auxiliary brake oil return device, wherein the current hydraulic brake device consists of a current hydraulic brake device, a power storage device, a stage I brake oil return device, a stage II brake oil return device and an oil tank (22). The auxiliary brake oil return device is arranged between the stage I brake oil return device and the stage II brake oil return device for an auxiliary oil release and brake. The auxiliary brake oil return device consists of an electromagnetic reversing valve IV(15) and a leading overflow valve V(23). When the stage I brake oil return device and the stage II brake oil return device are jammed, the utility model can perform a drainage brake, characterized in higher safety and higher reliability.
Description
One, affiliated technical field
The utility model is the novel hydraulic brake equipment that a kind of gig disc brake lock formula drg is used.
Two, background technology
At present, the drg of domestic novel gig adopts the disc brake lock mostly, and the homemade hydraulic brake system of control dish-type damper brake, exist following shortcoming: when the braking oil return circuit of hydraulic brake system stops up, and gig arrives stop position or the timely brake sticking brake of dish-type damper brake when breaking down, just may cause accident of cage crashing, seriously influence safety in production.
Three, summary of the invention
The purpose of this utility model is the generation for fear of above-mentioned accident, for the disc brake lock of gig provides a kind of more safe and reliable novel hydraulic brake equipment.
The technical scheme that the utility model is taked is: set up an auxiliary braking oil return apparatus on the basis of former hydraulic brake system.Being the utility model is made up of feed apparatus, closed-center system, one-level braking oil return apparatus, two groups of braking oil return apparatus, auxiliary braking oil return apparatus, fuel tank etc.Feed apparatus is made up of Hydraulic Pump, solenoid directional control valve I, check valve etc., closed-center system includes compositions such as solenoid directional control valve V, shut off valve I, accumulator and check valve, one-level braking oil return apparatus is made up of shut off valve II, pilot overflow valve II, by pass valve III, solenoid directional control valve II etc., and the two stage braking oil return apparatus is made up of pilot overflow valve IV, solenoid directional control valve III, apportioning valve etc.Feed apparatus is communicated with disc brake lock, closed-center system, is provided with one-level braking oil return apparatus, two stage braking oil return apparatus between feed apparatus and disc brake lock, and one-level braking oil return apparatus, two stage braking oil return apparatus are communicated with fuel tank.The auxiliary braking oil return apparatus is arranged between one-level braking oil return apparatus, the two stage braking oil return apparatus, and the auxiliary braking oil return apparatus is communicated with one-level braking oil return apparatus, two stage braking oil return apparatus, feed apparatus, fuel tank.Hydraulic Pump in apportioning valve, solenoid directional control valve and the feed apparatus in each device all connects with the electrical controller of gig, controls each apportioning valve, solenoid directional control valve and hydraulic pump works by the electrical controller of gig.
The auxiliary braking oil return apparatus is made up of solenoid directional control valve IV, pilot overflow valve V etc.The oil inlet end of pilot overflow valve V is communicated with feed apparatus, and the oil outlet end of pilot overflow valve V is communicated with the oil inlet end of fuel tank, solenoid directional control valve IV respectively, and the oil outlet end of solenoid directional control valve IV is communicated with fuel tank.
Principle of work:
The lifting container of gig is in mine during upper and lower operation, generally be divided into two brake area, its one-level brake area be well head to 20 meters, shaft bottom below the well head to more than the shaft bottom 20 meters, all the other are the two stage braking zone, promptly the two stage braking zone is following 20 meters to more than the shaft bottom 20 meters an of well head.
Lifting container enters the disc brake lock by the hydraulic oil of the Hydraulic Pump output of feed apparatus through solenoid directional control valve I, the check valve of feed apparatus when normal operation, the disc brake lock is opened, and at this moment, one-level, secondary, auxiliary braking oil return apparatus be draining not all.
During the lifting container orderly shutdown, solenoid directional control valve II in the one-level braking oil return apparatus, the apportioning valve in the two stage braking oil return apparatus, the outage of the solenoid directional control valve IV in the auxiliary braking oil return apparatus, one-level, secondary, the off-load of auxiliary braking oil return apparatus draining, the disc type brake brake sticking brake.
When lifting container breaks down emergency braking in the one-level brake area, because lifting container speed is slower, the hydraulic fluid pressure that feed apparatus is confessed is also less, this moment the solenoid directional control valve I in the feed apparatus, solenoid directional control valve II in the one-level braking oil return apparatus, the apportioning valve in the two stage braking oil return apparatus, the outage of the solenoid directional control valve IV in the auxiliary braking oil return apparatus, feed apparatus stops for hydraulic oil, one-level, secondary, auxiliary braking oil return apparatus draining, disc brake lock brake sticking brake.
When lifting container broke down emergency braking in the two stage braking zone, because lifting container operation line speed is very fast, the pressure of hydraulic oil was also higher, and in braking at the beginning, the directly locking of disc brake lock will have a deceleration buffer process.Solenoid directional control valve IV, the solenoid directional control valve V in closed-center system outage in solenoid directional control valve II in the solenoid directional control valve I of feed apparatus, the one-level braking oil return apparatus, the apportioning valve in the two stage braking oil return apparatus, solenoid directional control valve III, the auxiliary braking oil return apparatus, and wherein solenoid directional control valve IV time-delay a period of time outage of auxiliary braking oil return apparatus at this moment.Although feed apparatus no longer supplies hydraulic oil, but the accumulator in the closed-center system also can provide hydraulic oil to make the disc brake lock be in incomplete band-type brake state, reach the deceleration buffer effect, the hydraulic oil in accumulator is all unsnatched, the whole brake sticking brakes of disc brake lock.
And when one-level braking oil return apparatus, the two stage braking oil return apparatus stops up, and in the time of can not draining, this moment, the solenoid directional control valve IV of auxiliary braking oil return apparatus cuts off the power supply, and hydraulic oil installs draining by this, makes disc brake lock brake sticking brake.
Therefore, because the utility model has been set up an auxiliary braking oil return apparatus on former hydraulic brake system, when normal operation, help out; And when one-level, two stage braking oil return apparatus blockage phenomenon, play draining off-load effect, ensured disc brake lock braking function.Therefore, the utlity model has the more safe and reliable characteristics of braking.
Four, description of drawings
Accompanying drawing is the utility model hydraulic schematic diagram.
Five, specific embodiments
As shown in the figure, the utility model is to have set up the auxiliary braking oil return apparatus on the moving device basic of being made up of feed apparatus, closed-center system, one-level braking oil return apparatus, two stage braking oil return apparatus, fuel tank 22 etc. of stoste compacting.Feed apparatus is made up of Hydraulic Pump 2, solenoid directional control valve I6, check valve 5 etc.Closed-center system is made up of solenoid directional control valve V9, shut off valve I8, accumulator 7 etc.One-level braking oil return apparatus is changed by shut off valve II12, pilot overflow valve II13, by pass valve III14, electromagnetism and takes out valve II16 etc. and form.Compositions such as two stage braking oil return apparatus pilot overflow valve IV18, solenoid directional control valve III19, apportioning valve 21.The auxiliary braking oil return apparatus is made up of solenoid directional control valve IV15, pilot overflow valve V23 etc.The oil inlet end of pilot overflow valve V23 is communicated with feed apparatus, the oil outlet end of pilot overflow valve V23 is communicated with the oil inlet end of fuel tank 22, solenoid directional control valve IV15 respectively, and the oil outlet end of solenoid directional control valve IV15 is communicated with fuel tank 22.
Feed apparatus is communicated with disc brake lock 28, closed-center system, between feed apparatus and disc brake lock 28, be provided with one-level, secondary, auxiliary braking oil return apparatus, solenoid directional control valve 6,9,16,19,15, apportioning valve 21, Hydraulic Pump 2 in each device connect with the electrical controller 24 of gig, by electrical controller 24 Control work.
When lifting container normally moves, provide hydraulic oil through solenoid directional control valve I6, check valve 5 to disc brake lock 28 by the Hydraulic Pump in the feed apparatus 2, disc brake lock 28 is opened.When the lifting container orderly shutdown, solenoid directional control valve II16, apportioning valve 21, solenoid directional control valve IV15 outage, hydraulic oil is respectively through pilot overflow valve II13, IV18, V23 draining, disc type brake 28 brake sticking brakes.When lifting container breaks down in the one-level brake area, 21 outages of solenoid directional control valve II16, IV15, I6 apportioning valve, feed apparatus does not supply hydraulic oil, and one-level, secondary, auxiliary braking oil return apparatus draining, disc type brake 28 brake sticking brakes.When upgrading container solenoid directional control valve II16, IV15, I6, III19 apportioning valve 21, solenoid directional control valve V9 outage when in the two stage braking zone, breaking down, and solenoid directional control valve IV15 draining after time-delay a period of time, though feed apparatus stops for hydraulic oil, but the hydraulic oil of the deposit in the accumulator 7 then supplies hydraulic oil to disc brake lock 28, make disc brake lock 28 incomplete band-type brakes, and pressure-reducing cushioning gradually, hydraulic oil in accumulator 7 is unsnatched to extremely, and disc brake lock 28 is brake sticking brake fully.And when one-level, two stage braking oil return apparatus blockage phenomenon, just can realize braking by auxiliary braking oil return apparatus draining.
Shut off valve II12, solenoid directional control valve I16 that the utility model also can be braked one-level in the oil return apparatus directly are communicated with fuel tank 22.To improve the draining ability and the safety performance of the present utility model of one-level braking oil return apparatus.Promptly working as gig opens a sluice gate in the operational process, this oil return line is in the draining state always, and (dredge oil amount is less relatively, system works pressure is still normal), when three above-mentioned oil return apparatus all break down can not draining the time, only depend on this loop also can in the time of 10 seconds, system oil pressure be let out below the 7MPa, can not cause to upgrade the serious pulleying of container.
Therefore the utility model provides the brake equipment of the novel hydraulic with more safe and reliable characteristics for gig disc brake lock 28.
Claims (1)
- A kind of feed apparatus that includes, closed-center system, one-level braking oil return apparatus, two groups of braking oil return apparatus, the gig novel hydraulic brake equipment of fuel tank (22), feed apparatus and disc brake lock (28), closed-center system is communicated with, between feed apparatus and disc brake lock (28), be provided with one-level braking oil return apparatus, the two stage braking oil return apparatus, one-level braking oil return apparatus, the two stage braking oil return apparatus is communicated with fuel tank (22), feed apparatus includes Hydraulic Pump (2), solenoid directional control valve I (6), check valve (5), closed-center system includes solenoid directional control valve V (9), shut off valve I (8), accumulator (7), one-level braking oil return apparatus includes shut off valve II (12), pilot overflow valve II (13), by pass valve III (14), solenoid directional control valve II (16), the two stage braking oil return apparatus includes pilot overflow valve IV (18), solenoid directional control valve III (19), apportioning valve (21), it is characterized in that also including the auxiliary braking oil return apparatus, the auxiliary braking oil return apparatus is arranged on one-level braking oil return apparatus, between the two stage braking oil return apparatus, auxiliary braking oil return apparatus and one-level braking oil return apparatus, the two stage braking oil return apparatus, feed apparatus, fuel tank (22) is communicated with, the apportioning valve in each device, Hydraulic Pump in solenoid directional control valve and the feed apparatus (2) all connects with the electrical controller (24) of gig; The auxiliary braking oil return apparatus includes solenoid directional control valve IV (15), pilot overflow valve V (23), the oil inlet end of pilot overflow valve V (23) is communicated with feed apparatus, the oil outlet end of pilot overflow valve V (23) is communicated with the oil inlet end of fuel tank (22), solenoid directional control valve IV (15) respectively, and the oil outlet end of solenoid directional control valve IV (15) is communicated with fuel tank (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106083 CN2656391Y (en) | 2003-10-10 | 2003-10-10 | Hydraulic brake device for hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106083 CN2656391Y (en) | 2003-10-10 | 2003-10-10 | Hydraulic brake device for hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2656391Y true CN2656391Y (en) | 2004-11-17 |
Family
ID=34341480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320106083 Expired - Fee Related CN2656391Y (en) | 2003-10-10 | 2003-10-10 | Hydraulic brake device for hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2656391Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367484B (en) * | 2008-07-14 | 2011-01-19 | 平顶山煤业(集团)有限责任公司 | Double-stage braking hydraulic station with high-reliability scavenge oil and control method thereof |
| CN102139840A (en) * | 2011-04-08 | 2011-08-03 | 中信重工机械股份有限公司 | Dual-setting value constant torque secondary braking control system of mine hoister |
| CN104876105A (en) * | 2015-06-26 | 2015-09-02 | 徐州大恒测控技术有限公司 | Hand-operated pressure relief device and method with second-level safety braking |
| CN105939957A (en) * | 2014-01-30 | 2016-09-14 | 玫海伟尔特股份有限公司 | Fluidically actuatable failsafe disk brake system and lifting device comprising said system |
| CN108501917A (en) * | 2018-04-08 | 2018-09-07 | 安徽工程大学 | Auxiliary braking system |
| CN108725413A (en) * | 2018-04-08 | 2018-11-02 | 安徽工程大学 | the brake pressure regulating device of vehicle ABS system |
-
2003
- 2003-10-10 CN CN 200320106083 patent/CN2656391Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367484B (en) * | 2008-07-14 | 2011-01-19 | 平顶山煤业(集团)有限责任公司 | Double-stage braking hydraulic station with high-reliability scavenge oil and control method thereof |
| CN102139840A (en) * | 2011-04-08 | 2011-08-03 | 中信重工机械股份有限公司 | Dual-setting value constant torque secondary braking control system of mine hoister |
| CN105939957A (en) * | 2014-01-30 | 2016-09-14 | 玫海伟尔特股份有限公司 | Fluidically actuatable failsafe disk brake system and lifting device comprising said system |
| CN104876105A (en) * | 2015-06-26 | 2015-09-02 | 徐州大恒测控技术有限公司 | Hand-operated pressure relief device and method with second-level safety braking |
| CN104876105B (en) * | 2015-06-26 | 2016-08-10 | 徐州大恒测控技术有限公司 | A kind of manual secondary safety braking pressure relief device and method |
| CN108501917A (en) * | 2018-04-08 | 2018-09-07 | 安徽工程大学 | Auxiliary braking system |
| CN108725413A (en) * | 2018-04-08 | 2018-11-02 | 安徽工程大学 | the brake pressure regulating device of vehicle ABS system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041117 Termination date: 20091110 |