CN201739391U - Permanent magnetic dead electromagnet brake with high friction factor - Google Patents
Permanent magnetic dead electromagnet brake with high friction factor Download PDFInfo
- Publication number
- CN201739391U CN201739391U CN2010202624384U CN201020262438U CN201739391U CN 201739391 U CN201739391 U CN 201739391U CN 2010202624384 U CN2010202624384 U CN 2010202624384U CN 201020262438 U CN201020262438 U CN 201020262438U CN 201739391 U CN201739391 U CN 201739391U
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- friction
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- magnet steel
- brake
- magnetic coil
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Abstract
The utility model discloses a permanent magnetic dead electromagnet brake with a high friction factor, which comprises a base, wherein the base is provided with a magnetic steel framework used for installing permanent magnetic steel which is in a circular structure, in addition, a charged incentive magnetic coil is also sheathed and arranged on the base, both the outside of the permanent magnetic steel and the outside of the charged incentive magnetic coil are provided with cases, friction sheets are arranged on the permanent magnetic dead electromagnet brake through being matched with the cases, leaf springs are arranged on the friction sheets, a plurality of auxiliary friction rings with the high friction factor are embedded on the contact surfaces of the cases and the friction sheets, the auxiliary friction rings and the friction surfaces of the cases are positioned on the same plane, a case of the permanent magnetic dead electromagnet brake with the high friction factor is provided with a plurality of auxiliary friction rings in an embedded way on the contact surfaces with the friction sheets, the structure is simple and can be easily realized, in addition, the friction factor is increased, the noise in the contact brake process can be reduced, the practical service life of the brake can be prolonged, and the brake torque is increased, so the operation work of the brake is more reliable.
Description
Technical field
The utility model relates to a kind of break, particularly relates to a kind of permanent-magnet type electricity loss brake of tool high coefficient of friction.
Background technique
At present, permanent-magnet type electricity loss brake has been widely used on the various electric drivers, its working principle is for leaning on the powerful attraction force of permanent-magnet steel when the power-off brake dead electricity, the absorption that friction plate assembly is firm utilizes the frictional force of friction plate to make the friction plate assembly braking of turning round; When coil electricity, coil produces the magnetic field cancellation that magnetic field produces permanent-magnet steel, spring sheet on the friction plate assembly flicks friction wheel, friction plate assembly just can rotate freely, traditional permanent-magnet type electricity loss brake is when friction disc brake, bump than great dynamics will take place with shell in friction plate, exists noise bigger, break short shortcoming in working life.
The model utility content
The purpose of this utility model is to provide a kind of permanent-magnet type electricity loss brake of tool high coefficient of friction, and it has simple in structure, the characteristics of the big and long service life of friction factor.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of permanent-magnet type electricity loss brake of tool high coefficient of friction, it comprises base, described base comprises permanent-magnet steel assembly department and charged excitation magnetic coil assembly department, described permanent-magnet steel assembly department is provided with the magnet steel skeleton that is used to install permanent-magnet steel, described charged excitation magnetic coil assembly department is provided with charged excitation magnetic coil, and described permanent-magnet steel and charged excitation magnetic coil are provided with shell outward, cooperate described shell to be provided with friction plate, described friction plate is provided with spring sheet, wherein, described shell in the surface of contact of friction plate on be embedded with the auxiliary friction ring of most tool high coefficient of friction, the rubbing surface of described auxiliary friction ring and shell is in same plane.
Described auxiliary friction ring is circular, any in ellipse and the square structure or several.
Described permanent-magnet steel is a round structure.
Described charged excitation magnetic coil assembly department is a cylindrical shape, and the one end extends to the periphery out the permanent-magnet steel assembly department.
The beneficial effects of the utility model are, the shell of the permanent-magnet type electricity loss brake of described tool high coefficient of friction in the surface of contact of friction plate on be embedded with most auxiliary friction rings, not only simple in structure, be easy to realize, and increased friction factor, and reduced the noise in the contact braking process, prolonged the physical life of break, increased braking torque, made break operation work more reliable.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the structural representation of the permanent-magnet type electricity loss brake of the utility model tool high coefficient of friction.
Among the figure:
1, base; 2, permanent-magnet steel assembly department; 3, charged excitation magnetic coil assembly department; 4, magnet steel skeleton; 5, permanent-magnet steel; 6, shell; 7, friction plate; 8, charged excitation magnetic coil; 9, auxiliary friction ring; 10, spring sheet; 11, rivet; 12, fixing bolt; 13, connecting line.
Embodiment
Please refer to shown in Figure 1, Fig. 1 is the structural representation of the permanent-magnet type electricity loss brake of the utility model tool high coefficient of friction, in present embodiment, a kind of permanent-magnet type electricity loss brake, it comprises base 1, described base 1 comprises permanent-magnet steel assembly department 2 and charged excitation magnetic coil assembly department 3, described charged excitation magnetic coil assembly department 3 is columnar structured, the one end extends to the periphery out permanent-magnet steel assembly department 2, described permanent-magnet steel assembly department 2 is provided with magnet steel skeleton 4, offer most magnet steel mounting holes (not illustrating among the figure) on the described magnet steel skeleton 4, described magnet steel mounting hole is a round structure, circular permanent-magnet steel 5 is installed in it, be arranged with charged excitation magnetic coil 8 on the described charged excitation magnetic coil assembly department 3, described charged excitation magnetic coil 8 is extended with connecting line 13, described connecting line 13 connects power supply, and described permanent-magnet steel 5 and the charged excitation magnetic coil 8 outer shells 6 that are provided with, and cooperate described shell 6 to be provided with friction plate 7, described friction plate 7 is fixed on the live axle of drive unit, described shell 6 in the surface of contact of friction plate 7 on be embedded with the auxiliary friction ring 9 of most tool high coefficient of friction, described auxiliary friction ring 9 is in same plane for round structure and with the rubbing surface of shell 6, described friction plate 7 is fixed with spring sheet 10 with rivet 11 relatively and on the one side of shell 6 contact frictions, and described shell 6 utilizes fixing bolt 12 and passes and is fixed on the base 1 on the magnet steel skeleton 4, make 4 pairs of bases 1 of magnet steel skeleton and shell 6 that positioning action is all arranged like this, guaranteed the concentricity of base 1 and shell 6, made Magnetic field distribution more even.
The shell 6 of the permanent-magnet type electricity loss brake of described tool high coefficient of friction in the surface of contact of friction plate 7 on be embedded with most auxiliary friction rings 9, not only simple in structure, be easy to realize, and increased friction factor, reduced the noise in the contact braking process, prolonged the physical life of break, increased braking torque, made break operation work more reliable.
Claims (4)
1. the permanent-magnet type electricity loss brake of a tool high coefficient of friction, it comprises base, described base comprises permanent-magnet steel assembly department and charged excitation magnetic coil assembly department, described permanent-magnet steel assembly department is provided with the magnet steel skeleton that is used to install permanent-magnet steel, described charged excitation magnetic coil assembly department is provided with charged excitation magnetic coil, and described permanent-magnet steel and charged excitation magnetic coil are provided with shell outward, cooperate described shell to be provided with friction plate, described friction plate is provided with spring sheet, it is characterized in that: described shell in the surface of contact of friction plate on be embedded with the auxiliary friction ring of most tool high coefficient of friction, the rubbing surface of described auxiliary friction ring and shell is in same plane.
2. the permanent-magnet type electricity loss brake of tool high coefficient of friction according to claim 1 is characterized in that: described auxiliary friction ring is circle, any in ellipse or the square structure or several.
3. according to claim 1 or 2 each described permanent-magnet type electricity loss brakes, it is characterized in that: described permanent-magnet steel is a round structure.
4. the permanent-magnet type electricity loss brake of tool high coefficient of friction according to claim 3 is characterized in that: described charged excitation magnetic coil assembly department is a cylindrical shape, and the one end extends to the periphery out the permanent-magnet steel assembly department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202624384U CN201739391U (en) | 2010-07-19 | 2010-07-19 | Permanent magnetic dead electromagnet brake with high friction factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202624384U CN201739391U (en) | 2010-07-19 | 2010-07-19 | Permanent magnetic dead electromagnet brake with high friction factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739391U true CN201739391U (en) | 2011-02-09 |
Family
ID=43554666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202624384U Expired - Fee Related CN201739391U (en) | 2010-07-19 | 2010-07-19 | Permanent magnetic dead electromagnet brake with high friction factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900174A (en) * | 2010-07-19 | 2010-12-01 | 无锡市华灵电机开关有限公司 | Permanent magnet safe brake with high friction coefficient |
-
2010
- 2010-07-19 CN CN2010202624384U patent/CN201739391U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900174A (en) * | 2010-07-19 | 2010-12-01 | 无锡市华灵电机开关有限公司 | Permanent magnet safe brake with high friction coefficient |
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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: 20110209 Termination date: 20130719 |