CN104265811A - Single-coil lever type block brake - Google Patents
Single-coil lever type block brake Download PDFInfo
- Publication number
- CN104265811A CN104265811A CN201410508431.9A CN201410508431A CN104265811A CN 104265811 A CN104265811 A CN 104265811A CN 201410508431 A CN201410508431 A CN 201410508431A CN 104265811 A CN104265811 A CN 104265811A
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- plate
- lever steel
- lever
- dynamic
- type block
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Abstract
The invention relates to a single-coil lever type block brake which comprises a brake body, a movable plate and a friction plate. The friction plate is fixed on the lower surface of the movable plate; convex bars are respectively arranged on the left and right ends of the upper part of the brake body; recesses with openings which point downwards are formed in the middle parts of the convex bars; a fixed plate is arranged at the lower part of the brake body; a groove is formed in the center of the fixed plate; an inductive coil is fixed in the groove; two lever steel plates are arranged above the fixed plate; the inner end of each lever steel plate is located above the inductive coil; a compression device is arranged between the pressing plate and the upper surfaces of the outer ends of the lever steel plates; the movable plate is connected to the downside of the fixed plate through second bolts; wall surfaces which extend upwards are arranged on the two sides of the movable plate; the upper end parts of the wall surfaces after running through the fixed plate support against the lower surfaces of the outer ends of the lever steel plates. The single-coil lever type block brake has low cost and a great braking force, and frequent adjustment of a braking gap is unnecessary.
Description
Technical field
The present invention relates to a kind of brake structural, particularly relate to a kind of unicoil level type block brake.
Background technique
At present, what generally adopt in lifting means is the frictin braek that dead electricity is braked, this break can realize steadily stopping and quick starting and the safety brake when power-off, main Types has: twoly push away break, axle brake, disk type braker, block brake (also claim: board-like break) etc., wherein using the widest is block brake, for making the counteracted by pressure of suffered brake slipper on brake axle, being generally and motor both sides are arranged to use.
When requiring that elevator is out of service in elevator brake standard, single break should be able to ensure in the load rating situation of 125%, makes car keep static, invariant position.Directly drive because modernization lifting means driver part is evolved into gradually, therefore require the braking force that break provides larger.
The frictin braek of existing dead electricity braking, in use brake block wearing and tearing, need the gap (process is comparatively complicated) often carrying out adjusting sound plate, otherwise there is very large potential safety hazard, simultaneously according to the size of Motor torque, design the break of corresponding size, but for larger type motor needed for break volume just seem excessive, and cost is also higher.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide that a kind of cost is low, braking force is large, without the need to frequently carrying out the unicoil level type block brake of brake clearance adjustment.
In order to realize above-mentioned object, present invention employs following technological scheme:
A kind of unicoil level type block brake, comprise break main body, dynamic plate and friction plate, described friction plate is fixed on the lower surface of dynamic plate, the two ends, left and right on the top of described break main body are respectively equipped with raised line, the middle part of described raised line is provided with downward opening recess, and the top of described raised line is also fixed with pressing plate by the first bolt; The bottom of described break main body is quiet plate, and the central authorities of described quiet plate are provided with groove, and described groove internal fixtion has inductor coil; Two blocks of lever steel plates are provided with above described quiet plate, the hole that turns of two blocks of lever steel plates is hinged by bearing pin with the recess sidewall of two described raised lines respectively, the inner of described lever steel plate is positioned at the top of inductor coil, the outer end of lever steel plate is positioned at below pressing plate, is provided with hold down gag between the outer end upper surface of described pressing plate and lever steel plate; Described dynamic plate is connected with the below of quiet plate by the second bolt, and between the second bolt and dynamic plate, be also provided with dynamic plate early warning spring, the both sides of described dynamic plate are provided with the wall upwards extended, and are against the outer end lower surface of lever steel plate after quiet plate is run through in the upper end portion of described wall.
Preferably: the Zhuan Kong center of described lever steel plate is greater than 4 to the distance of wall of dynamic plate and the Zhuan Kong center of lever steel plate to the ratio of the distance at the center of inductor coil.
Preferably: between described pressing plate and raised line, be provided with gap, and the bottom of pressing plate is provided with receiving groove.
Preferably: described hold down gag comprises the holddown spring compressing directional post and be set on compression directional post, one end of described compression directional post is provided with convex surface, one end and the convex surface of holddown spring offset, the other end and pressing plate lower end surface offset, under the active force of holddown spring, compress directional post has the outer end upper surface of one end of convex surface and lever steel plate to offset, and the other end stretches in the receiving groove of pressing plate.Such structure makes holddown spring only carry out axial motion, improves the unfailing performance of break entirety.
Compared with prior art, the invention has the beneficial effects as follows: because the present invention adopts lever steel plate, according to lever principle, under identical braking radius parameter, inductor coil the suction-combining force comparability conventional brake reduces 75%; And identical coil, adopt this lever-type brake can increase braking force 300%; Because the present invention adopts less power can realize being obvious braking effect, therefore small volume of the present invention, and then at identical braking radius with in identical braking force output situation, cost of material more than 50% can be reduced.
In addition, inductor coil of the present invention is arranged on the central authorities of quiet plate, after energising on the one hand, facilitate the lever steel plate above the quiet plate of adhesive, adhesive can move plate on the other hand, promote certain braking force, and the brake clearance scope of break of the present invention is greatly without the need to frequent adjusting play, it is non-maintaining type break.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention.
Fig. 2 is perspective view of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of unicoil level type block brake as shown in Figure 1 and Figure 2, comprise break main body 1, dynamic plate 4 and friction plate 5, described friction plate 5 is fixed on the lower surface of dynamic plate 4, the two ends, left and right on the top of described break main body 1 are respectively equipped with raised line 13, the middle part of described raised line 13 is provided with downward opening recess, the top of described raised line 13 is also fixed with pressing plate 11 by the first bolt, and the middle part of the upper-end surface of described break main body 1 is also fixed with the briquetting 12 that declutches; The bottom of described break main body 1 is quiet plate 15, the central authorities of described quiet plate 15 are provided with groove, described groove internal fixtion has inductor coil 6, inductor coil 6 is arranged on the central authorities of quiet plate 15, after energising on the one hand, facilitate the lever steel plate above the quiet plate of adhesive, adhesive can move plate on the other hand, promote certain braking force.
Two blocks of lever steel plates 3 are provided with above described quiet plate 15, the recess sidewall of described raised line 13 is hinged by bearing pin 2 with two respectively in the hole that turns of two blocks of lever steel plates 3, the inner of described lever steel plate 3 is positioned at the top of inductor coil 6, the outer end of lever steel plate 3 is positioned at below pressing plate 11, is provided with hold down gag between described pressing plate 11 and the outer end upper surface of lever steel plate 3; Described dynamic plate 4 is connected with the below of quiet plate 15 by the second bolt 42, and is also provided with dynamic plate early warning spring 43 between the second bolt 42 and dynamic plate 4, and dynamic plate can declutch when being energized by dynamic plate preloading spring 43 fast, avoids the wearing and tearing that friction plate is unnecessary; The both sides of described dynamic plate 4 are provided with the wall 41 upwards extended, and are against the outer end lower surface of lever steel plate 3 after quiet plate 15 is run through in the upper end portion of described wall 41.Described quiet plate is also provided with the fixed pin holes of 4 sizes and conventional brake consistent size, convenient replacement.
The Zhuan Kong center of described lever steel plate 3 is greater than 4 to the distance of wall 41 of dynamic plate 4 and the Zhuan Kong center of lever steel plate 3 to the ratio of the distance at the center of inductor coil 6.The Zhuan Kong center of described lever steel plate 3 upper lever steel plate 3 to dynamic plate 4 wall 41 between plate be galianconism, the Zhuan Kong center of described lever steel plate 3 upper lever steel plate 3 to inductor coil 6 center between plate be galianconism.
Be provided with gap between described pressing plate 11 and raised line 13, and the bottom of pressing plate 11 is provided with receiving groove.Described hold down gag comprises the holddown spring 8 compressing directional post 7 and be set on compression directional post 7, one end of described compression directional post 7 is provided with convex surface, one end and the convex surface of holddown spring 8 offset, the other end and pressing plate 11 lower end surface offset, under the active force of holddown spring 8, compress directional post 7 has the outer end upper surface of one end of convex surface and lever steel plate 3 to offset, and the other end stretches in the receiving groove of pressing plate 11.
When the present invention is in "on" position, because coil produces magnetic field, long-armed for lever steel plate one end is inhaled, shortwall one end upwarps and makes holddown spring stressed, dynamic plate fits with quiet plate under the effect of dynamic plate early warning spring, and namely friction plate is away from brake wheel, long-armed much larger than galianconism due to lever steel plate, so utilize lever principle, can realize completing with less suction the action that electromagnetism declutches.When motor power-off time, the magnetic field halts that coil produces, lever steel plate is under the elastic force effect of holddown spring, long arm end upwarps, galianconism end presses down, the wall upper end of galianconism side pressure plate forced to move, makes dynamic plate overcome the active force of dynamic plate early warning spring, and the friction plate on the most dynamic plate compresses brake wheel and brakes.
Claims (4)
1. a unicoil level type block brake, it is characterized in that: comprise break main body (1), dynamic plate (4) and friction plate (5), described friction plate (5) is fixed on the lower surface of dynamic plate (4), the two ends, left and right on the top of described break main body (1) are respectively equipped with raised line (13), the middle part of described raised line (13) is provided with downward opening recess, and the top of described raised line (13) is also fixed with pressing plate (11) by the first bolt; The bottom of described break main body (1) is quiet plate (15), and the central authorities of described quiet plate (15) are provided with groove, and described groove internal fixtion has inductor coil (6); Described quiet plate (15) top is provided with two pieces of lever steel plates (3), the hole that turns of two pieces of lever steel plates (3) is hinged by bearing pin (2) with the recess sidewall of two described raised lines (13) respectively, the inner of described lever steel plate (3) is positioned at the top of inductor coil (6), the outer end of lever steel plate (3) is positioned at pressing plate (11) below, is provided with hold down gag between the outer end upper surface of described pressing plate (11) and lever steel plate (3); Described dynamic plate (4) is connected by the below of the second bolt (42) with quiet plate (15), and between the second bolt (42) and dynamic plate (4), be also provided with dynamic plate early warning spring (43), the both sides of described dynamic plate (4) are provided with the wall (41) upwards extended, and are against the outer end lower surface of lever steel plate (3) after quiet plate (15) is run through in the upper end portion of described wall (41).
2. a kind of unicoil level type block brake according to claim 1, is characterized in that: the Zhuan Kong center of described lever steel plate (3) is greater than 4 to the distance of wall (41) of dynamic plate (4) and the Zhuan Kong center of lever steel plate (3) to the ratio of the distance at the center of inductor coil (6).
3. a kind of unicoil level type block brake according to claim 1, it is characterized in that: be provided with gap between described pressing plate (11) and raised line (13), and the bottom of pressing plate (11) is provided with receiving groove.
4. a kind of unicoil level type block brake according to claim 3, it is characterized in that: described hold down gag comprises the holddown spring (8) compressing directional post (7) and be set in compression directional post (7), one end of described compression directional post (7) is provided with convex surface, one end and the convex surface of holddown spring (8) offset, the other end and pressing plate (11) lower end surface offset, under the active force of holddown spring (8), compress directional post (7) has the outer end upper surface of one end of convex surface and lever steel plate (3) to offset, and the other end stretches in the receiving groove of pressing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410508431.9A CN104265811B (en) | 2014-09-28 | 2014-09-28 | A kind of unicoil level type block brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410508431.9A CN104265811B (en) | 2014-09-28 | 2014-09-28 | A kind of unicoil level type block brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265811A true CN104265811A (en) | 2015-01-07 |
| CN104265811B CN104265811B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410508431.9A Active CN104265811B (en) | 2014-09-28 | 2014-09-28 | A kind of unicoil level type block brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265811B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055365A (en) * | 2017-02-24 | 2017-08-18 | 日立电梯电机（广州）有限公司 | Board-like brake |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085662A (en) * | 1963-04-16 | Electromagnetically releasable spring brake | ||
| GB1006437A (en) * | 1961-07-03 | 1965-09-29 | Licentia Gmbh | Automatic compensation for wear in friction brakes |
| US4022304A (en) * | 1976-08-02 | 1977-05-10 | Westinghouse Air Brake Company | Tread brake assembly |
| US4154321A (en) * | 1977-03-14 | 1979-05-15 | Wagner Electric Corporation | Cam actuated disc brake |
| US4749067A (en) * | 1986-11-06 | 1988-06-07 | Lift-Tech International, Inc. | Solenoid and spring operated brake |
| CN201525729U (en) * | 2009-06-29 | 2010-07-14 | 浙江西子富沃德电机有限公司 | Electromagnetic stacking type brake |
| CN103112796A (en) * | 2012-12-31 | 2013-05-22 | 杭州沪宁电梯配件有限公司 | Electromagnet of built-in inclined plane force-amplifier |
| CN203702925U (en) * | 2014-03-12 | 2014-07-09 | 陈振保 | Brake device for automated machine |
| CN204061665U (en) * | 2014-09-28 | 2014-12-31 | 浙江西传电气科技有限公司 | A kind of unicoil level type block brake |
-
2014
- 2014-09-28 CN CN201410508431.9A patent/CN104265811B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085662A (en) * | 1963-04-16 | Electromagnetically releasable spring brake | ||
| GB1006437A (en) * | 1961-07-03 | 1965-09-29 | Licentia Gmbh | Automatic compensation for wear in friction brakes |
| US4022304A (en) * | 1976-08-02 | 1977-05-10 | Westinghouse Air Brake Company | Tread brake assembly |
| US4154321A (en) * | 1977-03-14 | 1979-05-15 | Wagner Electric Corporation | Cam actuated disc brake |
| US4749067A (en) * | 1986-11-06 | 1988-06-07 | Lift-Tech International, Inc. | Solenoid and spring operated brake |
| CN201525729U (en) * | 2009-06-29 | 2010-07-14 | 浙江西子富沃德电机有限公司 | Electromagnetic stacking type brake |
| CN103112796A (en) * | 2012-12-31 | 2013-05-22 | 杭州沪宁电梯配件有限公司 | Electromagnet of built-in inclined plane force-amplifier |
| CN203702925U (en) * | 2014-03-12 | 2014-07-09 | 陈振保 | Brake device for automated machine |
| CN204061665U (en) * | 2014-09-28 | 2014-12-31 | 浙江西传电气科技有限公司 | A kind of unicoil level type block brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055365A (en) * | 2017-02-24 | 2017-08-18 | 日立电梯电机（广州）有限公司 | Board-like brake |
| CN107055365B (en) * | 2017-02-24 | 2022-12-13 | 日立电梯电机（广州）有限公司 | Plate brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265811B (en) | 2017-04-05 |
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| CP03 | Change of name, title or address | ||
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Address after: 313200 No. 137 North Road, Fuxi street, Deqing County, Huzhou, Zhejiang. Patentee after: Zhejiang westward electric Limited by Share Ltd Address before: 313200 No. 137 North Ring Road, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Patentee before: Zhejiang Xichuan Electrical Technology Co., Ltd. |