CN201325442Y - Stopping brake device for loader - Google Patents
Stopping brake device for loader Download PDFInfo
- Publication number
- CN201325442Y CN201325442Y CN 200820237853 CN200820237853U CN201325442Y CN 201325442 Y CN201325442 Y CN 201325442Y CN 200820237853 CN200820237853 CN 200820237853 CN 200820237853 U CN200820237853 U CN 200820237853U CN 201325442 Y CN201325442 Y CN 201325442Y
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- valve
- brake
- switch
- electromagnetic valve
- mouth
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Abstract
The utility model discloses a stopping brake device for a loader. The stopping brake device comprises a circuit control device, a braking device and a hydraulic-control valve assembly, wherein the circuit control device comprises an unlocking switch, an A/B valve selector switch, a confluence switch and a relay and is used for realizing hydraulic locking and controlling the braking and unlocking of the braking device. The braking electromagnet of the braking device is arranged in a braking seat, the lower end of an armature is fixedly connected with the upper end of a braking pin, a return spring is suited on the armature, and the lower end of the braking pin is matched with the slot of a brake disc with a clearance between the lower end and the slot. The hydraulic-control valve assembly comprises a solenoid valve A, a solenoid valve B and two single-way valves. The operating state of the relay is controlled through the unlocking switch to control the operation of the braking electromagnet and the solenoid valves, thereby not only realizing the stopping brake and the hydraulic locking of the loader, but also avoiding the damage to the switches owing to heavy current passing through the stopping brake electromagnet and the switches of the solenoid valves. The stopping brake device has the advantages of safe and convenient operation, thereby being very suitable for the loader with compact structure.
Description
Technical field
The utility model relates to a kind of safety device of loader, and particularly a kind of stop device with hydraulic locking function belongs to technical field of engineering machinery.
Background technology
At present, the version of loader stop device mainly contains following two kinds: adopt flexible axle mechanical control or solenoid control.There is complex structure in the stop device of employing flexible axle mechanical control, problems such as difficult arrangement, installation replacing and maintenance difficult on complete machine; Adopt the stop device of solenoid control, also exist shortcomings such as causing the damage of master cock overload sometimes because of electromagnetic valve current is excessive; These stop devices generally are independent of the hydraulic control system of loader simultaneously, still have the possibility of maloperation on safe in operation, exist the hidden danger of equipment and personal safety.
The utility model content
The purpose of this utility model provides a kind of stop device with hydraulic locking function, and this device can be realized the stopping brake and the hydraulic locking of loader.
The utility model is achieved by the following technical programs:
A kind of loader stop device, comprise circuit control device, brake equipment and fluid control valve assembly, described circuit control system comprises unlock switch, A/B valve select switch, interflow switch, relay, and described circuit control system is in order to realize the braking and the release of hydraulic locking and control brake device; Described brake equipment comprises stopping brake electromagnet, Brake Block, armature, retracing spring, banking pin, brake disc, described stopping brake electromagnet is arranged in the Brake Block, captive joint with the banking pin upper end in described armature lower end, described retracing spring is sleeved on the armature, the lower end of described banking pin and brake disc slot free-running fit; Described fluid control valve assembly comprises A electromagnetic valve, B electromagnetic valve, two check valves.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid loader stop device, the unlock switch one end ground connection of wherein said circuit control device, be connected in parallel with A/B valve select switch, the input end of interflow switch, the input end of stopping brake electromagnet respectively behind the other end serial connection relay, 2 of described A/B valve select switch mouths connect the high potential end after being connected in series the coil of coil, B electromagnetic valve of A electromagnetic valve respectively; 2 short circuits of the mouth of described interflow switch, wherein connect A/B valve select switch mouth a bit, another point connects another point of A/B valve select switch mouth, the output termination high potential end of described stopping brake electromagnet.
Aforesaid loader stop device, the b1 mouth of the A electromagnetic valve of wherein said fluid control valve assembly with take back hydraulic fluid port T after the b2 mouth of B electromagnetic valve docks, pressure hydraulic fluid port P1 is connected with the a1 mouth of A electromagnetic valve 31, the a3 mouth of check valve 33 respectively, pressure hydraulic fluid port P2 is connected with the a2 mouth of B electromagnetic valve 32, the a4 mouth of check valve 34 respectively, and the b3 of described two check valves, b4 mouth connect logical other valves of hydraulic efficiency pressure system in back.
Because adopted above technical scheme, the utility model has following beneficial effect:
The utility model is by the mode of operation of unlock switch control relay, thereby the work of control brake electromagnet and electromagnetic valve, not only realized the stopping brake and the hydraulic locking of loader, can also avoid causing the overload of switch to be damaged by stopping brake electromagnet and electromagnetic valve because of big electric current.The utility model safety of operation, convenience, spatial destribution is reasonable, and the loader that is fit to very much compact conformation uses, and has improved the reliability of brake equipment and the safe in operation of loader simultaneously.Circuit control device of the present utility model will be controlled the unlock switch of stopping brake valve, the select switch and the interflow functional switch of modulated pressure electromagnetic valve is integrated on the same control panel, the mode of operation that comes control relay by unlock switch to be finishing the control to brake electromagnet and electromagnetic valve, thereby realizes the stopping brake and the hydraulic locking of loader.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an electric control schematic diagram of the present utility model;
Fig. 3 is a hydraulic schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1～3, the utility model comprises circuit control system 1, brake equipment 2 and fluid control valve assembly 3, circuit control system 1 comprises unlock switch 11, A/B valve select switch 12, the interflow switch 13 that is integrated on the same control panel, the relay 14 that also comprises independent setting, circuit control device are used for realizing the braking and the release of hydraulic locking and control brake device 2.Brake equipment 2 comprises brake electromagnet 21, Brake Block 22, armature 23, retracing spring 24, banking pin 25, brake disc 26, and brake electromagnet 21 is arranged in the Brake Block 22, captives joint by screw thread with banking pin 25 upper ends in armature 23 lower ends.Retracing spring 24 is sleeved on the armature 23, and its upper end is resisted against outside the Brake Block 22, and its lower end abutment is on the step surface of armature 23.Brake disc 26 is integrated on the driving chain wheel, uniform several slots 261 of the periphery of brake disc 26.The lower end of banking pin 25 and brake disc slot 261 free-running fits.
The unlock switch 11 1 end ground connection of circuit control device 1, be connected in parallel with A/B valve select switch 12, the input end of interflow switch 13, the input end of brake electromagnet 21 respectively behind the other end serial connection relay 14, A/B valve select switch 12 output points 121,122 connect the high potential end after being connected in series the coil 321 of coil 311, B electromagnetic valve 32 of A electromagnetic valve 31 respectively; Output point 131,132 short circuits of interflow switch 13,131 connect 121 points, and 132 connect 122 points, the output termination high potential end of brake electromagnet 21.
The b1 mouth of the A electromagnetic valve 31 of fluid control valve assembly 3 with take back hydraulic fluid port T after the b2 mouth of B electromagnetic valve 32 docks, pressure hydraulic fluid port P1 is connected with the a1 mouth of A electromagnetic valve 31, the a3 mouth of check valve 33 respectively, pressure hydraulic fluid port P2 is connected with the a2 mouth of B electromagnetic valve 32, the a4 mouth of check valve 34 respectively, and the b3 of check valve 33,34, b4 mouth connect logical other valves of hydraulic efficiency gear in back.
Figure 1 shows that the braking mode of loader, at this moment, insert in the brake disc slot 261 lower end of banking pin 25.Unlock switch 11 among Fig. 2 is disconnected, the circuit of A/B valve select switch 12 and interflow switch 13 is disconnected simultaneously, relay 14 must not, even A/B valve select switch 12 and interflow switch 13 all also all can not form the loop after the closure, stopping brake electromagnet 21 also must not, banking pin 25 inserts in the draw-in groove 261 of brake disc 26 under the effect of retracing spring 24 automatically, and loader is in braking mode; Simultaneously, A electromagnetic valve 31 among Fig. 3 and B electromagnetic valve 32 must not all be in off position by electricity, and the high pressure oil of pressure hydraulic fluid port P1 and P2 flows back to fuel tank by oil return inlet T, and hydraulic efficiency pressure system is in unloading condition; Because the hydraulic oil of other actrs all is retained in original position in the insulating effect of check valve 33,34, hydraulic efficiency pressure system, hydraulic efficiency pressure system is in the lock state.
When closed solution lock-switch 11, relay 14, brake electromagnet 21, armature 23 moves up under the effect of electromagnetic force, retracing spring 34 by compression, banking pin 25 has overcome the application force of retracing spring 34 to be extracted from the draw-in groove 261 of brake disc 26, brake disc 26 brake offs, thus loader is disengaged braking; Simultaneously, A/B valve select switch 12 is connected circuit in A electromagnetic valve 31 or the B electromagnetic valve 32 automatically, and this electromagnetic valve gets electric, and valve core moves down; The oil circuit that pressure hydraulic fluid port P1 or P2 lead to oil return inlet T is disconnected, and the check valve 33 or 34 in the fluid control valve assembly 3 is access in oil circuit, and the high pressure oil of pressure hydraulic fluid port P1 or P2 is pumped in the hydraulic efficiency pressure system, and the hydraulic efficiency pressure system locking is disengaged, and loader can normal operation.When continuing closed interflow switch 13, A electromagnetic valve 31 or B electromagnetic valve 32 are simultaneously, pressure hydraulic fluid port P1 or P2 high pressure oil are pumped in the hydraulic efficiency pressure system of loader simultaneously by check valve 33,34, realize the interflow function, and loader can be finished the accessory operation of high flow capacity requirement.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. loader stop device, comprise circuit control device (1), brake equipment (2) and fluid control valve assembly (3), it is characterized in that: described circuit control device (1) comprises unlock switch (11), A/B valve select switch (12), interflow switch (13), relay (14), and described circuit control device (1) is in order to realize the braking and the release of hydraulic locking and control brake device (2); Described brake equipment (2) comprises brake electromagnet (21), Brake Block (22), armature (23), retracing spring (24), banking pin (25), brake disc (26), described brake electromagnet (21) is arranged in the Brake Block (22), captive joint with banking pin (25) upper end in described armature (23) lower end, described retracing spring (24) is sleeved on the armature (23), described banking pin (25) lower end and brake disc slot (261) free-running fit; Described fluid control valve assembly (3) comprises A electromagnetic valve (31), B electromagnetic valve (32), check valve (33), (34).
2. loader stop device as claimed in claim 1, it is characterized in that: unlock switch (11) the one end ground connection of described circuit control device (1), be connected in parallel with A/B valve select switch (12), the input end of interflow switch (13), the input end of brake electromagnet (21) respectively behind the other end serial connection relay (14), described A/B valve select switch (12) output point (121), (122) connect the high potential end after being connected in series the coil (321) of coil (311), B electromagnetic valve (32) of A electromagnetic valve (31) respectively; The output point (131) of described interflow switch (13), (132) short circuit, described (131) point connects (121) point, and described (132) point connects (122) point, the output termination high potential end of described brake electromagnet (21).
3. loader stop device as claimed in claim 1, it is characterized in that: the b1 mouth of the A electromagnetic valve (31) of described fluid control valve assembly (3) with take back hydraulic fluid port T after the b2 mouth of B electromagnetic valve (32) docks, pressure hydraulic fluid port P1 is connected with the a1 mouth of A electromagnetic valve (31), the a3 mouth of check valve (33) respectively, pressure hydraulic fluid port P2 is connected with the a2 mouth of B electromagnetic valve (32), the a4 mouth of check valve (34) respectively, and the b3 of described check valve (33), (34), b4 mouth connect logical other valves of hydraulic efficiency pressure system in back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820237853 CN201325442Y (en) | 2008-12-19 | 2008-12-19 | Stopping brake device for loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820237853 CN201325442Y (en) | 2008-12-19 | 2008-12-19 | Stopping brake device for loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201325442Y true CN201325442Y (en) | 2009-10-14 |
Family
ID=41177419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820237853 Expired - Fee Related CN201325442Y (en) | 2008-12-19 | 2008-12-19 | Stopping brake device for loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201325442Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502699A (en) * | 2011-05-06 | 2014-01-08 | 奥迪股份公司 | Device for operating a parking brake of a motor vehicle and corresponding method |
| CN108082344A (en) * | 2017-12-28 | 2018-05-29 | 江苏集萃智能制造技术研究所有限公司 | A kind of driving of control based on sensory and parking safety device |
| CN109318881A (en) * | 2016-07-29 | 2019-02-12 | 金福珍 | A kind of electronic brake device and its working method |
| CN113232630A (en) * | 2021-06-07 | 2021-08-10 | 广西柳工机械股份有限公司 | Reluctance brake, braking system and vehicle |
| CN114144551A (en) * | 2019-06-21 | 2022-03-04 | 伊莱克斯家用电器股份公司 | Clothes treating apparatus |
| CN117340508A (en) * | 2023-10-23 | 2024-01-05 | 株洲日望精工有限公司 | Automatic welding device for scissors |
-
2008
- 2008-12-19 CN CN 200820237853 patent/CN201325442Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502699A (en) * | 2011-05-06 | 2014-01-08 | 奥迪股份公司 | Device for operating a parking brake of a motor vehicle and corresponding method |
| US20150041280A1 (en) * | 2011-05-06 | 2015-02-12 | Audi Ag | Device for operating a parking lock of a motor vehicle and corresponding method |
| US9121500B2 (en) | 2011-05-06 | 2015-09-01 | Audi Ag | Device for operating a parking lock of a motor vehicle and corresponding method |
| CN103502699B (en) * | 2011-05-06 | 2016-03-02 | 奥迪股份公司 | For running the equipment of the parking lock of Motor Vehicle and corresponding method |
| CN109334650A (en) * | 2016-07-29 | 2019-02-15 | 金福珍 | The higher vehicle electronic brake device of the degree of automation |
| CN109318881A (en) * | 2016-07-29 | 2019-02-12 | 金福珍 | A kind of electronic brake device and its working method |
| CN108082344A (en) * | 2017-12-28 | 2018-05-29 | 江苏集萃智能制造技术研究所有限公司 | A kind of driving of control based on sensory and parking safety device |
| CN114144551A (en) * | 2019-06-21 | 2022-03-04 | 伊莱克斯家用电器股份公司 | Clothes treating apparatus |
| US11976403B2 (en) | 2019-06-21 | 2024-05-07 | Electrolux Appliances Aktiebolag | Laundry treating appliance |
| CN114144551B (en) * | 2019-06-21 | 2024-06-14 | 伊莱克斯家用电器股份公司 | Clothes treating apparatus |
| CN113232630A (en) * | 2021-06-07 | 2021-08-10 | 广西柳工机械股份有限公司 | Reluctance brake, braking system and vehicle |
| CN113232630B (en) * | 2021-06-07 | 2022-03-29 | 广西柳工机械股份有限公司 | Reluctance brake, braking system and vehicle |
| CN117340508A (en) * | 2023-10-23 | 2024-01-05 | 株洲日望精工有限公司 | Automatic welding device for scissors |
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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: 20091014 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |