CN203781741U - Control device for hoisting brake of automobile crane - Google Patents
Control device for hoisting brake of automobile crane Download PDFInfo
- Publication number
- CN203781741U CN203781741U CN201420073347.4U CN201420073347U CN203781741U CN 203781741 U CN203781741 U CN 203781741U CN 201420073347 U CN201420073347 U CN 201420073347U CN 203781741 U CN203781741 U CN 203781741U
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- valve
- pressure switch
- pilot
- hoist
- operated directional
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Abstract
The utility model discloses a control device for a hoisting brake of an automobile crane. The control device comprises a hydraulic controller and an electric controller, wherein the hydraulic controller is provided with the hoisting brake, a one-way damping valve, an electromagnetic valve, a guide handle, a first shuttle valve, a pressure switch and a hoisting module; the hoisting brake, the one-way damping valve, the electromagnetic valve, the hoisting module and the guide handle are connected in series in sequence; the first shuttle valve is also connected between the guide handle and the hoisting module; two oil inlets of the first shuttle valve are respectively connected with the first end and the second end of the guide handle; the oil outlet of the first shuttle valve is connected with the pressure switch; the electric controller is provided with a fuse, the pressure switch and an electromagnetic coil; one end of the fuse is connected with a power supply, and the other end of the fuse is connected with the pressure switch; the pressure switch is connected with the electromagnetic coil; the other end of the electromagnetic coil is grounded. The control device disclosed by the utility model has the advantages that the structure is simple; the cost is low; the defect that the braking efficiency is reduced due to pollution of a control oil line by adopting a hydraulic control manner is overcome; maintenance and adjustment are very convenient.
Description
Technical field
The utility model belongs to the fluid control field of construction machinery and equipment, is specifically related to a kind of car hosit hoist brake control setup.
Background technology
Car hosit hoist brake is for braking the device of elevator, and it mainly contains liquid fluid control and two kinds of modes of electrical control.Electrical control is mainly to utilize controller according to the analog signal of electric control handle position, and when meeting certain setting value requirement, output one way switch amount, is applied on solenoid directional control valve, realizes the opening and closing of hoist brake.But this mode needs proportion magnetic valve, electric control handle and controller etc., and cost is higher.Fluid control is to utilize pilot operated directional control valve to control the Kai Heguan of hoist brake, but after long-time use, the pollution of oil circuit control can affect the in-use performance of pilot operated directional control valve, brake efficiency can decrease, at this moment need the damping element of changing in oil circuit to adjust, therefore maintenance is inconvenient, and while working especially in the wild, maintenance difficulty is larger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of car hosit hoist brake control setup, this device liquid collecting pressure-controlled and electrical control are in one, lower than independent electric controling mode cost, again cleaner and tidier than independent fluid control, be convenient to maintenance and adjust.
For solving the problems of the technologies described above, the utility model provides a kind of car hosit hoist brake control setup, comprises hydraulic control pump and electric controller, hydraulic control pump has hoist brake, one-way damper valve, electromagnetic valve, pilot handle, the first shuttle valve, pressure switch and elevator module, hoist brake is connected with one-way damper valve, one-way damper valve is connected with electromagnetic valve, electromagnetic valve is connected with elevator module, in electromagnetic valve, there is magnet coil, elevator module is connected with 2 ends with 1 end of pilot handle, 3 ends of pilot handle are connected with oil outlet, 4 ends of pilot handle are connected with oil inlet, pilot handle and elevator intermodule are also parallel with the first shuttle valve, two oil inlets of the first shuttle valve are connected with 2 ends with 1 end of pilot handle respectively, the oil outlet of the first shuttle valve is connected with pressure switch, electric controller has wire fuse, pressure switch and magnet coil, and wire fuse one end is connected with power supply, and the other end is connected with pressure switch, and pressure switch is connected with magnet coil, magnet coil other end ground connection.
Described elevator module has hoist motor and pilot operated directional control valve, hoist motor is positioned at hoist brake one side, two output lines of hoist motor are connected with 2 ends with 1 end of pilot operated directional control valve respectively, between hoist motor and pilot operated directional control valve, be also parallel with the second shuttle valve, two oil inlets of the second shuttle valve are connected with 2 ends with 1 end of pilot operated directional control valve respectively, the oil outlet of the second shuttle valve is connected with electromagnetic valve, and 3 ends of pilot operated directional control valve are connected with oil outlet, and 4 ends of pilot operated directional control valve are connected with oil inlet.
Described pilot handle is connected with the pilot operated directional control valve of elevator module.
Described pressure switch is normal open switch.
Described electromagnetic valve is two-bit triplet electromagnetic valve.
Hoist brake in the utility model device, is used for braking elevator; The first shuttle valve, is used for selecting to read the pressure of oil circuit control; Pressure switch, is connected with the first shuttle valve, is used for detecting the pressure variation of oil circuit control; Pilot handle, is connected with the pilot operated directional control valve in elevator module, is used for operating hoist motor; Electromagnetic valve, is used for controlling the opening and closing of drg; One-way damper valve, is used for guaranteeing hoist brake smooth working.
The utility model liquid collecting pressure-controlled and electrical control are in one, simple in structure, lower than independent electrical control cost, again cleaner and tidier than independent fluid control, be convenient to maintenance and adjust, the shortcomings such as brake efficiency reduction that independent fluid control brings due to the pollution of oil circuit control have been overcome, keep in repair and adjust very convenient, when oil circuit control needs repairing and adjust, only need to adjust pressure switch, do not need to change damping element, reduce the brake efficiency that reduces drg because of the pollution of oil circuit control, have broad application prospects and practical value.
Accompanying drawing explanation
Fig. 1 is hydraulic control pump constructional drawing of the present utility model.
Fig. 2 is electric controller constructional drawing of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail with implementing the specific embodiment.
As depicted in figs. 1 and 2, car hosit hoist brake control setup, comprises hydraulic control pump and electric controller, hydraulic control pump has hoist brake 1, one-way damper valve 2, electromagnetic valve 3, pilot handle 4, the first shuttle valve 5, pressure switch 6 and elevator module 7, hoist brake 1 is connected with one-way damper valve 2, one-way damper valve 2 is connected with electromagnetic valve 3, electromagnetic valve 3 is connected with elevator module 7, in electromagnetic valve 3, there is magnet coil 3a, elevator module 7 is connected with 2 ends with 1 end of pilot handle 4, and 3 ends of pilot handle 4 are connected with oil outlet, 4 ends and the oil inlet P of pilot handle 4
1connect, two oil inlets that 7 of pilot handle 4 and elevator modules are also parallel with the first shuttle valve 5, the first shuttle valves 5 are connected with 2 ends with 1 end of pilot handle 4 respectively, and the oil outlet of the first shuttle valve 5 is connected with pressure switch 6, electric controller has wire fuse 9, pressure switch 6 and magnet coil 3a, and wire fuse 9 one end are connected with power supply 8, and the other end is connected with pressure switch 6, and pressure switch 6 is connected with magnet coil 3a, magnet coil 3a other end ground connection, described elevator module 7 has hoist motor 7c and pilot operated directional control valve 7a, pilot operated directional control valve 7a is connected with 2 ends with 1 end of pilot handle 4, hoist motor 7c is positioned at hoist brake 1 one sides, two output lines of hoist motor 7c are connected with 2 ends with 1 end of pilot operated directional control valve 7a respectively, between hoist motor 7c and pilot operated directional control valve 7a, be also parallel with the second shuttle valve 7b, two oil inlets of the second shuttle valve 7b are connected with 2 ends with 1 end of pilot operated directional control valve 7a respectively, the oil outlet of the second shuttle valve 7b is connected with electromagnetic valve 3, 3 ends of pilot operated directional control valve 7a are connected with oil outlet T, 4 ends of pilot operated directional control valve 7a are connected with oil inlet P.
In conjunction with Fig. 1, Fig. 2, the working process of car hosit hoist brake control setup of the present utility model is as follows:
Pilot handle 4 is manual proportional reversing valve, be used for controlling pilot operated directional control valve 7a in elevator module 7 and move to the left or to the right, thereby the hand of rotation of hoist motor 7c in driving elevator module 7 is realized elevator action.
Pressure switch 6 is normal open switch, and presets certain threshold values, when pressure is during higher than this setting value, and pressure switch 6 closures, the magnet coil 3a on electromagnetic valve 3 connects, and electromagnetic valve 3 is changed to right position, and the oil circuit of hoist brake 1 is connected; When pressure is during lower than this setting value, pressure switch 6 is opened, and electromagnetic valve 3 is returned to left position, and hoist brake 1 is connected with oil cylinder, elevator braking.
When pilot handle 4 is in left when position, the first shuttle valve 5 by the Output pressure in pilot operated directional control valve 7a hydraulic control oil circuit to pressure switch 6.When this pressure is during higher than the setting value of pressure switch 6, pressure switch 6 closures, connect the magnet coil 3a on electromagnetic valve 3, and electromagnetic valve 3 is changed to right position, and hoist brake 1 oil circuit is connected.The second shuttle valve 7b in elevator module 7 passes to hoist brake 1 by the control hydraulic oil in elevator module 7 through electromagnetic valve 3 and one-way damper valve 2, realizes the unlatching of hoist brake 1.Meanwhile, the pilot operated directional control valve 7a in elevator module 7 is positioned at left position, and hoist motor 7c left-hand rotates.
When pilot handle 4 is in right when position, the first shuttle valve 5 by the Output pressure in pilot operated directional control valve 7a hydraulic control oil circuit to pressure switch 6.When this pressure is during higher than the setting value of pressure switch 6, pressure switch 6 closures, connect the magnet coil 3a on electromagnetic valve 3, and electromagnetic valve 3 is changed to right position, and hoist brake 1 oil circuit is connected.The second shuttle valve 7b in elevator module 7 passes to hoist brake 1 by the control hydraulic oil in elevator module 7 via electromagnetic valve 3 and one-way damper valve 2, realizes the unlatching of hoist brake 1.Meanwhile, the pilot operated directional control valve 7a in elevator module 7 is positioned at right position, and hoist motor 7c dextrad is rotated.
When pilot handle 4 is during at meta, the first shuttle valve 5 by the Output pressure in pilot operated directional control valve 7a hydraulic control oil circuit to pressure switch 6, this value is " 0 ", be less than the setting value of pressure switch 6, pressure switch 6 disconnects, electromagnetic valve 3 is returned to left position, and hoist brake 1 is connected by one-way damper valve 2 and oil cylinder, elevator braking.
The utility model is integrated in one fluid control and electrical control, have the advantage of fluid control and electrical control concurrently, both reduced cost, overcome again the shortcoming that brake efficiency that hydraulic control mode brings due to the pollution of oil circuit control reduces, only need to adjust the threshold values of pressure switch, keep in repair and adjust very convenient.
Claims (5)
1. car hosit hoist brake control setup, comprises hydraulic control pump and electric controller, it is characterized in that:
Hydraulic control pump has hoist brake, one-way damper valve, electromagnetic valve, pilot handle, the first shuttle valve, pressure switch and elevator module, hoist brake is connected with one-way damper valve, one-way damper valve is connected with electromagnetic valve, electromagnetic valve is connected with elevator module, in electromagnetic valve, there is magnet coil, elevator module is connected with 2 ends with 1 end of pilot handle, 3 ends of pilot handle are connected with oil outlet, 4 ends of pilot handle are connected with oil inlet, pilot handle and elevator intermodule are also parallel with the first shuttle valve, two oil inlets of the first shuttle valve are connected with 2 ends with 1 end of pilot handle respectively, the oil outlet of the first shuttle valve is connected with pressure switch,
Electric controller has wire fuse, pressure switch and magnet coil, and wire fuse one end is connected with power supply, and the other end is connected with pressure switch, and pressure switch is connected with magnet coil, magnet coil other end ground connection.
2. car hosit hoist brake control setup as claimed in claim 1, it is characterized in that: described elevator module has hoist motor and pilot operated directional control valve, hoist motor is positioned at hoist brake one side, two output lines of hoist motor are connected with 2 ends with 1 end of pilot operated directional control valve respectively, between hoist motor and pilot operated directional control valve, be also parallel with the second shuttle valve, two oil inlets of the second shuttle valve are connected with 2 ends with 1 end of pilot operated directional control valve respectively, the oil outlet of the second shuttle valve is connected with electromagnetic valve, 3 ends of pilot operated directional control valve are connected with oil outlet, 4 ends of pilot operated directional control valve are connected with oil inlet.
3. car hosit hoist brake control setup as claimed in claim 2, is characterized in that: described pilot handle is connected with the pilot operated directional control valve of elevator module.
4. car hosit hoist brake control setup as claimed in claim 1, is characterized in that: described pressure switch is normal open switch.
5. car hosit hoist brake control setup as claimed in claim 1, is characterized in that: described electromagnetic valve is two-bit triplet electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073347.4U CN203781741U (en) | 2014-02-20 | 2014-02-20 | Control device for hoisting brake of automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073347.4U CN203781741U (en) | 2014-02-20 | 2014-02-20 | Control device for hoisting brake of automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781741U true CN203781741U (en) | 2014-08-20 |
Family
ID=51317950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420073347.4U Withdrawn - After Issue CN203781741U (en) | 2014-02-20 | 2014-02-20 | Control device for hoisting brake of automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203781741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754788A (en) * | 2014-02-20 | 2014-04-30 | 安徽柳工起重机有限公司 | Automobile crane winding brake control device |
-
2014
- 2014-02-20 CN CN201420073347.4U patent/CN203781741U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754788A (en) * | 2014-02-20 | 2014-04-30 | 安徽柳工起重机有限公司 | Automobile crane winding brake control device |
| CN103754788B (en) * | 2014-02-20 | 2015-12-16 | 安徽柳工起重机有限公司 | Car hosit hoist brake control setup |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |