CN202912622U - Braking device - Google Patents
Braking device Download PDFInfo
- Publication number
- CN202912622U CN202912622U CN 201220394608 CN201220394608U CN202912622U CN 202912622 U CN202912622 U CN 202912622U CN 201220394608 CN201220394608 CN 201220394608 CN 201220394608 U CN201220394608 U CN 201220394608U CN 202912622 U CN202912622 U CN 202912622U
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- Prior art keywords
- brake
- brake shoe
- armature
- friction lining
- face
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Abstract
The utility model discloses a braking device which comprises a fixed iron core, a braking element, a coil and a compression spring. The braking element comprises a friction plate and a movable element, the friction plate is fixedly connected with the side of the movable element, the upper end face and the lower end face of the movable element are matched with matching surfaces of fixed elements arranged on the upper end face and the lower end face of the movable element, braking friction force is transmitted to the fixed elements by the matching, and the direction of the braking friction force of the friction plate penetrates through the upper end face or the lower end face of the movable element. The braking device is simple and compact in structure, and the braking element is stressed evenly, moves reliably, and is long in service life, simple in structure, convenient to install and easy to maintain.
Description
Technical field
The utility model relates to a kind of brake equipment for permanent-magnet synchnorous gearless dragging machine.
Background technology
For the miniaturization of traction machine brake device and simple in structure, brake equipment has had some new versions.Chinese invention patent (notification number: CN100357172C), a kind of brake equipment is disclosed, the friction lining of this brake equipment is fixed on a side of brake shoe, at the opposite side of brake shoe fluting and bear braking force, by this groove and cooperating of retaining element bearing drag friction power, the drag friction force direction does not pass the upper and lower end face of brake shoe; Brake block is by the inboard braking of braking brake surface.Chinese invention patent (publication number: CN102190233A), a kind of brake equipment is disclosed, the friction lining of this brake equipment is fixed on a side of brake shoe, upper and lower end face at brake shoe cooperates with the framework perforate of electrical motor, bear drag friction power by this cooperation, the drag friction force direction does not pass the upper and lower end face of brake shoe; The brake shoe sidepiece that brake shoe is relative with friction lining bears braking force; Brake block is by the outside hung brake of braking brake body.
The brake equipment of above-mentioned prior art, although simplified the version of brake equipment, utilize the housing of retaining element or gig to bear drag friction power, so that the version miniaturization of drg and simple, but because the upper and lower surface that the direction of drag friction power is not passed brake block, drag friction power produces certain torque to brake block when the drg braking maneuver like this, thereby so that brake block rotates with certain rotation direction, causing brake block and the cooperating of perforate of retaining element or gig housing can not be that face cooperates, but the line contact.Have to the brake block band problem of serving like this: 1) cooperation because of the upper and lower end face of brake block is the line contact, thereby causes brake shoe to cooperate unreasonable with the perforate of retaining element or gig housing; 2) because the rotation of brake block, and the direction of drag friction power is not passed the upper and lower surface of brake block, cause the pressure of contact position large than drag friction power, thereby the face of the contact position of the perforate of increase brake shoe and retaining element or gig housing is pressed, like this when the brake block back and forth movement, cause the wearing and tearing aggravation of brake block, thereby so that cooperating of the perforate of brake block and retaining element or gig housing is bad, might cause the akinesia of brake block, so that brakeage is unreliable; 3) because of the rotation of brake block, cause the braking force discontinuity of brake block, thus so that the wearing and tearing of friction lining top and the bottom are uneven, the service life of the sheet of reducing friction, and further the motion of aggravation brake block cooperates bad.
The utility model content
The technical problems to be solved in the utility model provides a kind of brake equipment, its compact conformation and simple, braking element reasonable stress, motion are reliable, long service life, simple in structure, easy for installation, maintenance easily.
For solving the problems of the technologies described above, brake equipment of the present utility model comprises fixed iron core, braking element, coil, Compress Spring; Described braking element comprises friction lining and moving element; Described friction lining is captiveed joint with the sidepiece of moving element, and the upper and lower end face of described moving element cooperates with the retaining element fitting surface that is arranged on the moving element upper and lower end face, by this cooperation drag friction power is passed on the retaining element; The drag friction force direction of described friction lining passes upper surface or the lower surface of described moving element.
The drag friction force direction of described friction lining passes the fitting surface of retaining element.
The moving element sidepiece that described moving element is relative with described friction lining bears the Compress Spring spring force that produces drag friction power.
The brake surface of described friction lining is the face of cylinder.
Described coil and spring are positioned at fixed iron core inside; The spring-force driven dual of described spring is at the moving element sidepiece relative with described friction lining.
Described moving element comprises brake shoe, armature and adjustment element; Described friction lining is captiveed joint with the sidepiece of described brake shoe; Described adjustment element is between described brake shoe and armature; Can adjust distance between described brake shoe and the described armature by described adjustment element; Described armature is made by permeability magnetic material.
Described moving element and described fixed iron core is at least part of is made by permeability magnetic material.
Described armature is made by permeability magnetic material.
Described fixed iron core has installation portion, is connected with retaining element by this installation portion.
Described retaining element is the part of drive unit for lift casing.
Opened by at least one non-magnetic element separation between the installation portion of described fixed iron core and the retaining element.
Described moving element comprises brake shoe, armature; Described friction lining is captiveed joint with the sidepiece of described brake shoe; The brake shoe sidepiece captive joint that described armature is relative with described friction lining; Described armature is made by permeability magnetic material.
Described moving element comprises brake shoe, armature and at least one non-magnetic element; Described friction lining is captiveed joint with the sidepiece of described brake shoe; Separate by non-magnetic element between the other side of described armature and described brake shoe; Described armature is made by permeability magnetic material.
The upper and lower end face of described brake shoe cooperates with the retaining element fitting surface that is arranged on the brake shoe upper and lower end face, by this cooperation drag friction power is passed on the retaining element; The drag friction force direction of described friction lining passes upper surface or the lower surface of described brake shoe.
The upper and lower end face of described brake shoe is to the fitting surface that small part is positioned at retaining element that is projected to of retaining element fitting surface.
Be compared with existing technology, the beneficial effects of the utility model are, the drag friction force direction of braking element passes the upper and lower end face of braking element, the such reasonable stress of braking element, so that braking element with remain face cooperating of retaining element and cooperate, and the drag friction power that braking element bears can not increase, the face that the while braking element bears is pressed and also can not increased, the face of braking element is pressed and can be well controlled, like this during the back and forth movement of braking element more steadily reliably, long service life; Cooperate because remaining braking element and cooperating of retaining element face, the braking force that bears of braking element is even up and down like this, and the pressurized of friction lining is even like this, and the even wearing about the friction lining can guarantee further that like this motion of braking element works good.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the first embodiment structural representation of the utility model brake equipment;
Fig. 2 is the second embodiment structural representation of the utility model brake equipment;
Fig. 3 is the third embodiment structural representation of the utility model brake equipment;
Fig. 4 is the 4th kind of embodiment structural representation of the utility model brake equipment.
The specific embodiment
As shown in Figure 1, brake equipment of the present utility model comprises fixed iron core 6, braking element, coil 5, Compress Spring 4, and wherein braking element comprises moving element 1 and friction lining 2.The B side of moving element 1 is captiveed joint with friction lining 2, and the mode that this connection can be bolted or other fixed form are fixed; The A side of moving element 1 is born braking force F.The upper surface of moving element 1 and lower surface arrange retaining element 3, and the upper surface of moving element 1 and lower surface cooperate with the fitting surface of retaining element 3, by this cooperation moving element 1 drag friction power Ff are passed on the retaining element 3.Braking element is by friction lining 2 braking brake surfaces.
By diagram as can be known the drag friction power Ff direction of described friction lining 2 pass the upper surface of described moving element 1, the such reasonable stress of moving element 1 so that moving element 1 with remain the face cooperation cooperating of retaining element 3; If the drag friction power Ff direction of certain described friction lining 2 and opposite direction shown in Figure 1, then drag friction power Ff direction is passed the lower surface of described moving element 1.Here pass upper surface or the lower surface of moving element 1 about drag friction power Ff direction, can be understood as long as drag friction power Ff can not produce torque to braking element, be upper surface or lower surface that drag friction power Ff direction is passed moving element 1.About the upper surface of moving element 1 and the form of lower surface various ways can be arranged, such as rectangular surfaces, circular face or annular arrangement face etc.When drag friction power Ff direction was passed the upper surface or lower surface of moving element 1, the direction of drag friction power Ff was also passed retaining element 3 and the upper surface of moving element 1 and the fitting surface of lower surface.Ff can not produce torque to braking element because of drag friction power, so braking element is supported on the retaining element 3 reliably, the drag friction power that while moving element 1 bears equals Ff, thereby the face that moving element 1 bears is pressed and can be well controlled, for example can increase the area of moving element 1 upper surface and lower surface, can reduce the upper surface of moving element 1 and the face of lower surface and press.So more steady reliable, the long service life during back and forth movement of braking element; Cooperate because remaining moving element 1 and cooperating of retaining element 3 face, the braking force that bears of braking element is even up and down like this, the pressurized of friction lining 3 is even like this, and the even wearing of friction lining about in the of 3 can guarantee further that like this motion of braking element works good.
Retaining element 3 can be that the drive unit for lift casing also can other fixed element.The brake surface of described friction lining 3 is the face of cylinder, and the brake surface of friction lining 3 also can be the plane certainly.The upper and lower end face of described moving element 1 is parallel to each other.Carry out at axial direction by illustrating as can be known installation, the dismounting of moving element 1, braking element can be dismantled easily like this.
In conjunction with diagram, explain the braking of drg and the operating principle of adhesive.The braking maneuver of drg is when coil 5 outage, electromagnetic attraction between fixed iron core 6 and the moving element 1 disappears, the spring force F that this moment, moving element 1 was compressed spring 4 moves to the direction of brake surface, until produce friction force Ff at brake surface, thus the braking brake surface; The adhesive action of drg is when coil 5 energising, produce electromagnetic attraction between fixed iron core 6 and the moving element 1, this moment, moving element 1 was attracted to fixed iron core 6 by electromagnetic attraction, and closely be pulled together with fixed iron core 6, leave brake surface in this while friction lining 2, the like this braking maneuver of brake surface contact, brake surface does not have drag friction power Ff, thus brake surface can free motion.
For the ease of regulating the gap between fixed iron core 6 and the moving element 1, non-magnetic element 8 can be designed to many non-magnetic shim liners and consist of.When may wear to a certain degree along with friction lining 2 like this, need to reduce the gap between fixed iron core 6 and the moving element 1, the assurance squeaking of the brakes is little, and only need to reduce the pad quantity of non-magnetic element 8 this moment, thereby can realize reducing the gap between fixed iron core 6 and the moving element 1.
The utility model the second embodiment as shown in Figure 2.Formed by brake shoe 13, armature 9 and friction lining 2 with the utility model the first embodiment difference braking element; Wherein moving element 1 is comprised of brake shoe 13 and armature 9.Armature 9 is bolted with brake shoe 13 or other is mechanical captives joint mode.During the benefit done like this, if when needing more renewal of facing renewal 2, can brake shoe 13 and friction lining 2 change, and armature 9 can be changed.Armature 9 is made by permeability magnetic material.The upper surface of brake shoe 13 and lower surface arrange retaining element 3, and the upper surface of brake shoe 13 and lower surface cooperate with the fitting surface of retaining element 3, by this cooperation brake shoe 13 drag friction power Ff are passed on the retaining element 3.By diagram as can be known the drag friction power Ff direction of described friction lining 2 pass the upper surface of described brake shoe 13, the such reasonable stress of brake shoe 13 so that brake shoe 13 with remain the face cooperation cooperating of retaining element 3.The drg braking maneuver of this embodiment and adhesive operating principle are with embodiment one.
For the ease of regulating the gap between fixed iron core 6 and the moving element 1, non-magnetic element 8 can be designed to many non-magnetic shim liners and consist of.When may wear to a certain degree along with friction lining 2 like this, need to reduce the gap between fixed iron core 6 and the moving element 1, the assurance squeaking of the brakes is little, and only need to reduce the pad quantity of non-magnetic element 8 this moment, thereby can realize reducing the gap between fixed iron core 6 and the moving element 1.
The third embodiment of the utility model as shown in Figure 3.Formed by brake shoe 13, armature 9, non-magnetic element 8 and friction lining 2 with the utility model the first embodiment difference braking element; Wherein moving element 1 is comprised of brake shoe 13, armature 9 and non-magnetic element 8, and directly connects between installation portion 8 and the retaining element 3, and this connection can be any mechanical captive joint.Armature 9, brake shoe 13 and non-magnetic element 8 are bolted or other is mechanical captives joint mode.During the benefit done like this, if when needing more renewal of facing renewal 2, can brake shoe 13 and friction lining 2 change, and armature 9 and non-magnetic element 8 can be changed.Armature 9 is made by permeability magnetic material.The upper surface of brake shoe 13 and lower surface arrange retaining element 3, and the upper surface of brake shoe 13 and lower surface cooperate with the fitting surface of retaining element 3, by this cooperation brake shoe 13 drag friction power Ff are passed on the retaining element 3.By diagram as can be known the drag friction power Ff direction of described friction lining 2 pass the upper surface of described brake shoe 13, the such reasonable stress of brake shoe 13 so that brake shoe 13 with remain the face cooperation cooperating of retaining element 3.The effect of non-magnetic element 8 is can be so that the electromagnetic circuit of brake equipment can not flow to installation portion 7 by retaining element 3.The drg braking maneuver of this embodiment and adhesive operating principle are with embodiment one.
For the ease of regulating the gap between fixed iron core 6 and the armature 9, non-magnetic element 8 can be designed to many non-magnetic shim liners and consist of.When may wear to a certain degree along with friction lining 2 like this, need to reduce the gap between fixed iron core 6 and the armature 9, the assurance squeaking of the brakes is little, and only need to increase the pad quantity of non-magnetic element 8 this moment, thereby can realize reducing the gap between fixed iron core 6 and the armature 9.
The 4th kind of embodiment of the utility model as shown in Figure 4.Formed by brake shoe 13, armature 9, adjustment element and friction lining 2 with the third embodiment difference braking element of the utility model; Wherein moving element 1 is comprised of brake shoe 13, armature 9 and adjustment element, wherein adjusts element and forms by adjusting bolt 10, jam nut 11 and jam nut 12.Armature 9 is made by permeability magnetic material, is that non-magnet material is made and adjust element; The electromagnetic circuit of brake equipment can not flow to installation portion 7 by brake shoe 13, retaining element 3 like this.Adjust bolt 10 about be the screw thread of different rotation directions, like this rotation adjustment bolt 10 can so that the distance between armature 9 and the brake shoe 13 dwindle or increase, thereby can regulate gap between armature 9 and the fixed iron core 6; Distance between armature 9 and fixed iron core 6 is adjusted complete, can be by the distance between jam nut 11 and jam nut 12 fixed armatures 9 and the brake shoe 13.The benefit adjusted of distance is when friction lining 2 may wear to a certain degree like this, and the distance that can regulate between armature 9 and the brake shoe 13 by adjusting bolt 10 guarantees that the gap of armature 9 and fixed iron core 6 is stable, so that the squeaking of the brakes of drg when braking is little.The upper surface of brake shoe 13 and lower surface arrange retaining element 3, and the upper surface of brake shoe 13 and lower surface cooperate with the fitting surface of retaining element 3, by this cooperation brake shoe 13 drag friction power Ff are passed on the retaining element 3.By diagram as can be known the drag friction power Ff direction of described friction lining 2 pass the upper surface of described brake shoe 13, the such reasonable stress of brake shoe 13 so that brake shoe 13 with remain the face cooperation cooperating of retaining element 3.It should be noted, the version of adjustment element can have a variety of, for example can only adjust bolt with one, realizes the distance adjustment between armature 9 and the brake shoe 3.The drg braking maneuver of this embodiment and adhesive operating principle are with embodiment one.
More than by embodiment, the utility model is had been described in detail, but these are not to consist of restriction of the present utility model.In Spirit Essence of the present utility model and essential feature scope, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection domain of the present utility model.
Claims (14)
1. a brake equipment comprises fixed iron core, braking element, coil, Compress Spring, it is characterized in that: described braking element comprises friction lining and moving element; Described friction lining is captiveed joint with the sidepiece of moving element, and the upper and lower end face of described moving element cooperates with the retaining element fitting surface that is arranged on the moving element upper and lower end face, by this cooperation drag friction power is passed on the retaining element; The drag friction force direction of described friction lining passes upper surface or the lower surface of described moving element.
2. brake equipment as claimed in claim 1, it is characterized in that: the drag friction force direction of described friction lining passes the fitting surface of retaining element.
3. brake equipment as claimed in claim 1 is characterized in that: the moving element sidepiece that described moving element is relative with described friction lining bears the Compress Spring spring force that produces drag friction power.
4. brake equipment as claimed in claim 1, it is characterized in that: the brake surface of described friction lining is the face of cylinder.
5. brake equipment as claimed in claim 1, it is characterized in that: described coil and Compress Spring are positioned at fixed iron core inside; The spring-force driven dual of described Compress Spring is at the moving element sidepiece relative with described friction lining.
6. brake equipment as claimed in claim 1, it is characterized in that: described moving element comprises brake shoe, armature and adjustment element; Described friction lining is captiveed joint with the sidepiece of described brake shoe; Described adjustment element is between described brake shoe and armature; Can adjust distance between described brake shoe and the described armature by described adjustment element; Described armature is made by permeability magnetic material.
7. brake equipment as claimed in claim 1 is characterized in that: described moving element and described fixed iron core is at least part of is made by permeability magnetic material.
8. brake equipment as claimed in claim 1, it is characterized in that: described fixed iron core has installation portion, is connected with retaining element by this installation portion.
9. brake equipment as claimed in claim 8, it is characterized in that: described retaining element is the part of drive unit for lift casing.
10. brake equipment as claimed in claim 8 is characterized in that: opened by a non-magnetic element separation between the installation portion of described fixed iron core and the retaining element.
11. brake equipment as claimed in claim 1 is characterized in that: described moving element comprises brake shoe, armature; Described friction lining is captiveed joint with the sidepiece of described brake shoe; The brake shoe sidepiece captive joint that described armature is relative with described friction lining; Described armature is made by permeability magnetic material.
12. brake equipment as claimed in claim 1 is characterized in that: described moving element comprises brake shoe, armature and at least one non-magnetic element; Described friction lining is captiveed joint with the sidepiece of described brake shoe; Separate by non-magnetic element between the other side of described armature and described brake shoe; Described armature is made by permeability magnetic material.
13. such as arbitrary described brake equipment in the claim 6,11 or 12, it is characterized in that: the upper and lower end face of described brake shoe cooperates with the retaining element fitting surface that is arranged on the brake shoe upper and lower end face, by this cooperation drag friction power is passed on the retaining element; The drag friction force direction of described friction lining passes upper surface or the lower surface of described brake shoe.
14. brake equipment as claimed in claim 13 is characterized in that: the upper and lower end face of described brake shoe is to the fitting surface that small part is positioned at retaining element that is projected to of retaining element fitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394608 CN202912622U (en) | 2012-07-31 | 2012-07-31 | Braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394608 CN202912622U (en) | 2012-07-31 | 2012-07-31 | Braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202912622U true CN202912622U (en) | 2013-05-01 |
Family
ID=48160952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220394608 Expired - Fee Related CN202912622U (en) | 2012-07-31 | 2012-07-31 | Braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202912622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340915A (en) * | 2013-08-08 | 2015-02-11 | 小仓离合器有限公司 | Electromagnetic drum brake |
-
2012
- 2012-07-31 CN CN 201220394608 patent/CN202912622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340915A (en) * | 2013-08-08 | 2015-02-11 | 小仓离合器有限公司 | Electromagnetic drum brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Bao Wenli Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |