CN201407304Y - Electric hydraulic brake with gradual moment - Google Patents
Electric hydraulic brake with gradual moment Download PDFInfo
- Publication number
- CN201407304Y CN201407304Y CN2009201849072U CN200920184907U CN201407304Y CN 201407304 Y CN201407304 Y CN 201407304Y CN 2009201849072 U CN2009201849072 U CN 2009201849072U CN 200920184907 U CN200920184907 U CN 200920184907U CN 201407304 Y CN201407304 Y CN 201407304Y
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- China
- Prior art keywords
- brake
- gradual change
- direct current
- current generator
- moment
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- Expired - Lifetime
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Abstract
The utility model discloses an electric hydraulic brake with gradual moment. The electric hydraulic brake consists of a drive device and a brake mechanism. The electric hydraulic brake is characterized in that the drive device includes a motor, a spacer flange, an impeller, an oil guide pan, a plug and a push rod; the input terminal of the motor is connected with a variable-frequency controller; and the variable-frequency controller is used for changing the motor frequency of the drive device so as to change the rotation speed of the impeller, and the push force of the push rod changes accordingly, thereby achieving gradual braking moment change. A moment buffer is added on the push rod to reduce the braking impact in the presence of large push force. The electric hydraulic brake can achieve gradual braking moment by changing the motor frequency of the drive device, and has the advantages of simple structure, convenient and practical use, low cost and good brake effect. In addition, the electric hydraulic brake can obviate the hidden danger of large impact on the mechanism caused by large braking moment.
Description
Technical field
The utility model relates to a kind of, relates in particular to a kind of electrohydraulic brake of gradual change moment.
Background technique
At present, drum-type (disc type) break is when braking, and its braking moment generally all is on the disposable Brake drum (brake disc) that is applied to mechanism.This mode of braking is under some mechanism or some occasion, and poor effect can not satisfy the requirement of actual use.The retarding braking of swirl gear such as high pedestal jib crane, tower crane for example, its brake request is steady, can not produce too big impact to mechanism, traditional mode of braking is in braking process, and moment is non-adjustable, usually because braking moment is excessive, mechanism is produced big impact, cause the thing swing angle that hangs big, potential safety hazard occurs, even might cause shaft break of motor.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of electrohydraulic brake of a kind of gradual change moment of simple in structure, reasonable in design, good braking effect is provided.
The utility model scheme is as follows: it is made up of drive unit and arrestment mechanism, it is characterized in that: drive unit is made up of motor, spacer flanger, impeller, Oil Guide dish, piston, push rod, the motor input end is connected with frequency-variable controller, by changing the electric machine frequency of drive unit, change the rotating speed of impeller, push rod thrust is along with change, thus the gradual change of realization braking moment.
The utility model arrestment mechanism by lever, brake arm, brake shoe, move back apart from impartial lever, base and form.
The utility model is equipped with the self-locking handwheel between described lever and brake arm, so that under the break off working state, can keep braking.
Between the brake arm of the utility model both sides, install the direct current generator self-locking device additional,, can give the energising of direct current generator self-locking device, emergency braking by storage battery so that when descending sudden power in working order.
The utility model arrestment mechanism also can be by brake spring, lever, pull bar, brake arm, braking tile fragment, move back the impartial lever of square, base is formed.
The utility model installs the moment buffer additional on push rod, when minimizing thrust is excessive, and the impact that braking produces.
The utility model changes the rotating speed of impeller by changing the electric machine frequency of drive unit, and push rod thrust is along with change, thereby realize the gradual change of braking moment, and simple in structure, convenient and practical, cost is low, good braking effect, avoided mechanism being produced big impact because braking moment is excessive; The utility model especially be used in a machine swirl gear and the driving traveller on effect the most obvious, reach the effect of slow deceleration and accurate stopping by the braking moment of gradual change, and the direct current generator self-locking device has solved power failure suddenly in mechanism's work, the potential safety hazard that causes break to brake especially.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 1 driving device structure schematic representation;
Fig. 3 is the utility model embodiment 1 self-locking handwheel structural representation;
Fig. 4 is the structural representation of the utility model embodiment 1 direct current generator self-locking device;
Fig. 5 is the utility model embodiment 2 structural representations;
Fig. 6 is the utility model embodiment 3 structural representations.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is further described.
Embodiment 1: the power hydraulic pressure of gradual change moment is often driven block brake
Referring to Fig. 1-4, present embodiment comprises drive unit 1 and arrestment mechanism, by drive unit 1, moment buffer 2, Returnning spring 3, self-locking handwheel 4, lever 5, pull bar 6, direct current generator self-locking device 7, cotter pin 8, brake arm 9, brake shoe 10, move back apart from impartial lever 11, base 1 and form.Drive unit 1 is made up of motor 101, spacer flanger 102, impeller 103, Oil Guide dish 104, piston 105, push rod 106.Wherein motor 101 is connected with impeller 103 by spacer flanger 102, Sealing is isolated the hydraulic oil of motor 101 and impeller 103 the insides in the spacer flanger 102, impeller 103 is connected by Oil Guide dish 104 with piston 105, and push rod 106 snaps in the middle of the piston 105, forms a rod chamber.Motor 101 input ends are connected with frequency-variable controller, by changing motor 101 frequencies of drive unit 1, change the rotating speed of impeller 103, and push rod 106 thrusts are along with change, thus the gradual change of realization braking moment.Frequency-variable controller is made up of frequency variator, storage battery and the foot controller that is installed on driver's cab, and foot controller is the potentiometer form, directly controls the output voltage of frequency variator, and storage battery is a direct current generator supply DC24V voltage.Returnning spring 3 is installed between lever 5 and the brake arm 9, and brake shoe 10 is connected in the middle part of brake arm 9, and the bottom of brake arm 9 is connected with base 12.Between the both sides brake arm 9, install direct current generator self-locking device 7 additional, direct current generator self-locking device 7 by swivel nut 701, direct current generator 702, coupling 703, Cock screw 704, support 705, thrust ball bearing 706, oil sealing 707, axle bed 708, open a sluice gate limit assembly 709, close lock limit assembly 710, composite bearing 711, spacer 712, nut 713, guide rod 714 form.Its medium-height trestle 705 is installed in brake arm 9 upper ends by cotter pin 8, thrust ball bearing 706 is embedded in 705 li on support with the oil sealing 707 that is close to its both sides, axle bed 708 is installed in support 705 tail ends and holds out against oil sealing 707 and thrust ball bearing 706, support 705 is equipped with coupling 703, coupling 703 the other ends are connected with direct current generator 702, direct current generator 702 bars one end is screwed in the guide rod 714, and with Cock screw 704 locking, the spiral shell axle the other end in the direct current generator 702 is screwed with swivel nut 701 and with Cock screw 704 lockings; Guide rod 714 passes composite bearing 711 that is embedded in the coupling 703 and the spacer 712 that is embedded in oil sealing 707 and the thrust ball bearing 706 respectively, and with the nut 713 locking spacers 712 that are screwed in guide rod 714, guide rod 714 is formed the rotation lower pair with composite bearing 711 and thrust ball bearing 706 respectively, and support 705 both sides are equipped with respectively and are closed lock limit assembly 710 and open a sluice gate limit assembly 709.
The working principle of present embodiment is: when not needing to brake at ordinary times, drive unit 1 must not, break is in open mode, when needs are braked, can be by the electric voltage frequency of electric controller controlling and driving motors 101 such as frequency-variable controller, thus in good time control brake moment is by being gradient to needed value for a short time; Under the sudden power situation, can give the direct current generator self-locking device 7 power supply brakings by adding storage battery (DC24V) in the electric controller; Under the off working state, can force on the lever 5, produce braking moment and keep braking by self-locking handwheel 4.
Embodiment 2: the normally closed block brake of the power hydraulic pressure of gradual change moment
Referring to Fig. 2, present embodiment by drive unit 1, brake spring 3, lever 5, pull bar 6, screw pin 8, brake arm 9, braking tile fragment 10, move back the impartial lever 11 of square, base 12 is formed; Drive unit 1 is made up of motor 101, spacer flanger 102, impeller 103, Oil Guide dish 104, piston 105, push rod 106.Motor 101 input ends are connected with frequency-variable controller, by changing motor 101 frequencies of drive unit 1, change the rotating speed of impeller 106, and push rod 106 thrusts are along with change, thus the gradual change of realization braking moment.
The working principle of present embodiment is: during mechanism's work at ordinary times, drive unit 1 positive often-have-electricity boosts, and further compression brake spring 3 does not act on the Brake drum spring force, and break is in open mode; When mechanism need brake, motor 101 electric voltage frequencies by electric controller accessory drives 1 such as foot controller, frequency variators reduce gradually, and the rotating speed of impeller 103 also diminishes, and push rod 106 thrusts are along with diminishing, brake spring 3 power impose on the Brake drum gradually, realize the gradual change of braking moment.
Embodiment 3: the normally closed disk type braker of the power hydraulic pressure of gradual change moment
Referring to Fig. 3, present embodiment by drive unit 1, brake spring 3, lever 5, pull bar 6, brake arm 9, braking tile fragment 10, move back apart from impartial lever 11, base 12 and form.Drive unit 1 is made up of motor 101, spacer flanger 102, impeller 103, Oil Guide dish 104, piston 105, push rod 106.Motor 101 input ends are connected with frequency-variable controller, by changing motor 101 frequencies of drive unit 1, change the rotating speed of impeller 103, and push rod 106 thrusts are along with change, thus the gradual change of realization braking moment.
The working principle of present embodiment is: during mechanism's work at ordinary times, drive unit 1 positive often-have-electricity boosts, and further compression brake spring 3 does not act on the brake disc spring force, and break is in open mode; When mechanism need brake, motor 101 electric voltage frequencies by electric controller accessory drives 1 such as foot controller, frequency variators reduce gradually, and the rotating speed of impeller 103 also diminishes, and push rod 106 thrusts are along with diminishing, brake spring 3 power impose on the brake disc gradually, realize the gradual change of braking moment.
Claims (8)
1, a kind of electrohydraulic brake of gradual change moment is made up of drive unit (1) and arrestment mechanism, it is characterized in that: the hydraulic type drive unit of drive unit (1) for being driven by motor (101), motor (101) input end is connected with frequency-variable controller.
2, the electrohydraulic brake of gradual change moment according to claim 1, it is characterized in that: frequency-variable controller is made up of frequency variator, storage battery and the foot controller that is installed on driver's cab, foot controller is the potentiometer form, directly controls the output voltage of frequency variator.
3, the electrohydraulic brake of gradual change moment according to claim 1 and 2, it is characterized in that: arrestment mechanism by Returnning spring (3), lever (5), pull bar (6), cotter pin (8), brake arm (9), brake shoe (10), move back apart from impartial lever (11), base (12) and form, Returnning spring (3) is installed between lever (5) and the brake arm (9), brake shoe (10) is connected in the middle part of brake arm (9), and the bottom of brake arm (9) is connected with base (12).
4, the electrohydraulic brake of gradual change moment according to claim 3 is characterized in that: between described lever (5) and brake arm (9) self-locking handwheel (4) is housed.
5, the electrohydraulic brake of gradual change moment according to claim 3, it is characterized in that: between the both sides brake arm (9), install direct current generator self-locking device (7) additional, direct current generator self-locking device (7) is by swivel nut (701), direct current generator (702), coupling (703), Cock screw (704), support (705), thrust ball bearing (706), oil sealing (707), axle bed (708), open a sluice gate limit assembly (709), close lock limit assembly (710), composite bearing (711), spacer (712), nut (713), guide rod (714) is formed, its medium-height trestle (705) is installed in brake arm (9) upper end by cotter pin (8), thrust ball bearing (706) is embedded in support (705) lining with the oil sealing that is close to its both sides (707), axle bed (708) is installed in support (705) tail end and holds out against oil sealing (707) and thrust ball bearing (706), support (705) is equipped with coupling (703), coupling (703) the other end is connected with direct current generator (702), direct current generator (702) screw mandrel one end is screwed in the guide rod (714), and with Cock screw (704) locking, the spiral shell axle the other end in the direct current generator (702) is screwed with swivel nut (701) and with Cock screw (704) locking; Guide rod (714) passes the composite bearing (711) that is embedded in the coupling (703) respectively and is embedded in spacer (712) in oil sealing (707) and the thrust ball bearing (706), and with the nut that is screwed in guide rod (714) (713) locking spacer (712), guide rod (714) is formed the rotation lower pair with composite bearing (711) and thrust ball bearing (706) respectively, and support (705) both sides are equipped with respectively and are closed lock limit assembly (710) and open a sluice gate limit assembly (709).
6, the electrohydraulic brake of gradual change moment according to claim 1 and 2 is characterized in that: add moment buffer (2) on the push rod (106).
7, the electrohydraulic brake of gradual change moment according to claim 4 is characterized in that: self-locking handwheel (4) is made up of handwheel (401), screw rod (402), lid (403), spring seat (404), spring (405), cover (406).
8, the electrohydraulic brake of gradual change moment according to claim 1 and 2 is characterized in that: arrestment mechanism is piece formula or disc type brake mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201849072U CN201407304Y (en) | 2009-05-08 | 2009-05-08 | Electric hydraulic brake with gradual moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201849072U CN201407304Y (en) | 2009-05-08 | 2009-05-08 | Electric hydraulic brake with gradual moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407304Y true CN201407304Y (en) | 2010-02-17 |
Family
ID=41678238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201849072U Expired - Lifetime CN201407304Y (en) | 2009-05-08 | 2009-05-08 | Electric hydraulic brake with gradual moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407304Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135148A (en) * | 2011-01-06 | 2011-07-27 | 西安东风仪表厂 | Electric pincer brake |
| CN102678787A (en) * | 2012-05-31 | 2012-09-19 | 焦作市银星制动器有限公司 | Double-control energy-saving brake |
| CN102817947A (en) * | 2012-07-17 | 2012-12-12 | 同济大学 | Intelligent driver |
| CN102829108A (en) * | 2012-09-04 | 2012-12-19 | 焦作制动器股份有限公司 | Multifunctional hydraulic braking and manual brake-holding normally-open brake |
| CN104632945A (en) * | 2015-02-06 | 2015-05-20 | 焦作市制动器开发有限公司 | Novel arm disc type brake |
| CN105402281A (en) * | 2015-12-18 | 2016-03-16 | 浙江省天和建材集团有限公司地铁管片分公司 | Dynamic braking device of crane |
| CN105673741A (en) * | 2016-04-07 | 2016-06-15 | 聂瑞波 | Brake pump of loader |
| CN108431458A (en) * | 2016-01-22 | 2018-08-21 | 舍弗勒技术股份两合公司 | Torque-converters drive component including biasing spring and axially movable turbine |
| CN109780088A (en) * | 2019-01-14 | 2019-05-21 | 包头钢铁（集团）有限责任公司 | A kind of wheel braking device and wheel braking method is carried out using its |
| CN110552973A (en) * | 2019-07-23 | 2019-12-10 | 武汉船用机械有限责任公司 | Clutch driving device |
| CN111434556A (en) * | 2019-01-15 | 2020-07-21 | 宝山钢铁股份有限公司 | Iron mixing car brake with bistable state self-holding mechanism and control method |
| CN112762109A (en) * | 2021-02-02 | 2021-05-07 | 北京理工大学 | Toothed belt brake and test bench thereof |
-
2009
- 2009-05-08 CN CN2009201849072U patent/CN201407304Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135148A (en) * | 2011-01-06 | 2011-07-27 | 西安东风仪表厂 | Electric pincer brake |
| CN102135148B (en) * | 2011-01-06 | 2012-11-21 | 西安东风仪表厂 | Electric pincer brake |
| CN102678787A (en) * | 2012-05-31 | 2012-09-19 | 焦作市银星制动器有限公司 | Double-control energy-saving brake |
| CN102678787B (en) * | 2012-05-31 | 2014-08-06 | 焦作市银星制动器有限公司 | Double-control energy-saving brake |
| CN102817947A (en) * | 2012-07-17 | 2012-12-12 | 同济大学 | Intelligent driver |
| CN102817947B (en) * | 2012-07-17 | 2015-11-25 | 同济大学 | Intelligent driver |
| CN102829108A (en) * | 2012-09-04 | 2012-12-19 | 焦作制动器股份有限公司 | Multifunctional hydraulic braking and manual brake-holding normally-open brake |
| CN104632945A (en) * | 2015-02-06 | 2015-05-20 | 焦作市制动器开发有限公司 | Novel arm disc type brake |
| CN105402281A (en) * | 2015-12-18 | 2016-03-16 | 浙江省天和建材集团有限公司地铁管片分公司 | Dynamic braking device of crane |
| CN108431458A (en) * | 2016-01-22 | 2018-08-21 | 舍弗勒技术股份两合公司 | Torque-converters drive component including biasing spring and axially movable turbine |
| CN108431458B (en) * | 2016-01-22 | 2021-03-02 | 舍弗勒技术股份两合公司 | Torque converter drive assembly including biasing spring and axially movable turbine |
| CN105673741A (en) * | 2016-04-07 | 2016-06-15 | 聂瑞波 | Brake pump of loader |
| CN105673741B (en) * | 2016-04-07 | 2018-04-20 | 聂瑞波 | A kind of loading machine brake pump |
| CN109780088A (en) * | 2019-01-14 | 2019-05-21 | 包头钢铁（集团）有限责任公司 | A kind of wheel braking device and wheel braking method is carried out using its |
| CN111434556A (en) * | 2019-01-15 | 2020-07-21 | 宝山钢铁股份有限公司 | Iron mixing car brake with bistable state self-holding mechanism and control method |
| CN111434556B (en) * | 2019-01-15 | 2021-02-19 | 宝山钢铁股份有限公司 | Iron mixing car brake with bistable state self-holding mechanism and control method |
| CN110552973A (en) * | 2019-07-23 | 2019-12-10 | 武汉船用机械有限责任公司 | Clutch driving device |
| CN112762109A (en) * | 2021-02-02 | 2021-05-07 | 北京理工大学 | Toothed belt brake and test bench thereof |
| CN112762109B (en) * | 2021-02-02 | 2022-04-08 | 北京理工大学 | Experiment bench for toothed belt brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |