CN204061667U - A kind of twin coil level type block brake - Google Patents
A kind of twin coil level type block brake Download PDFInfo
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- CN204061667U CN204061667U CN201420566191.3U CN201420566191U CN204061667U CN 204061667 U CN204061667 U CN 204061667U CN 201420566191 U CN201420566191 U CN 201420566191U CN 204061667 U CN204061667 U CN 204061667U
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Abstract
The utility model relates to a kind of twin coil level type block brake, comprise break main body, dynamic plate and friction plate, friction plate is fixed on the lower surface of dynamic plate, the middle part upper surface of break main body is provided with the first projection, downward opening recess is provided with in the middle part of first projection, the bottom of described break main body is quiet plate, and quiet plate internal fixtion has inductor coil; Lever steel plate is provided with above described quiet plate, described lever steel plate comprises the first plate and the second plate, the outer end of the first plate and the second plate lays respectively at the top of two inductor coils, pressing plate and be equipped with hold down gag between the first plate and the inner upper surface of the second plate; Described dynamic plate is connected with the below of quiet plate by the second bolt, and the middle part moving plate is provided with the second projection upwards extended, and is against the lower surface in the middle part of lever steel plate after quiet plate is run through in the upper end portion of the second projection.The utility model cost is low, braking force large, without the need to frequently carrying out brake clearance adjustment.
Description
Technical field
The utility model relates to a kind of brake structural, particularly relates to a kind of twin coil 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 purpose of this utility model is to provide that a kind of cost is low, braking force is large, without the need to frequently carrying out the twin coil level type block brake of brake clearance adjustment.
In order to realize above-mentioned object, the utility model have employed following technological scheme:
A kind of twin coil 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 middle part upper surface of described break main body is provided with the first projection, be provided with downward opening recess in the middle part of described first projection, the top of described first projection is also fixed with pressing plate by the first bolt; The bottom of described break main body is quiet plate, and the two ends of described quiet plate are provided with groove, and described groove internal fixtion has inductor coil; Be provided with lever steel plate above described quiet plate, described lever steel plate comprises the first plate and the second plate, and one end of described first plate is provided with breach, and is equipped with the first sleeve in the middle part of the lath of breach both sides; One end of described second plate is stretched in breach, and termination and indentations bottom leave space, the middle part that described second plate stretches into barbed portion is also provided with the second sleeve, described first sleeve and the second sleeve are in same straight line, and run through the first sleeve, the second sleeve and recess sidewall by bearing pin and be hinged in the recess sidewall of break main body by lever steel plate; The outer end of described first plate and the second plate lays respectively at the top of two inductor coils, and the inner of described first plate and the second plate is all positioned at below pressing plate, described pressing plate and be equipped with hold down gag between the first plate and the inner upper surface of the second 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 middle part of described dynamic plate is provided with the second projection upwards extended, and is against the lower surface in the middle part of lever steel plate after quiet plate is run through in the upper end portion of described second projection.
Preferably: described first bushing core is greater than 4 to the distance of the first plate outer end and the first bushing core to the ratio of the distance of first plate the inner, described second bushing core is also greater than 4 to the distance of the second plate outer end and the second bushing core to the ratio of the distance of second plate the inner.
Preferably: between described pressing plate and raised line, be provided with gap, and the bottom of pressing plate is provided with multiple 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 inner upper surface of one end of convex surface and the first plate or the second plate to offset, and the other end stretches in the corresponding 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 beneficial effects of the utility model are: because the utility model adopts lever steel plate, according to lever principle, under identical braking radius parameter, and 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 utility model adopts less power can realize being obvious braking effect, therefore small volume of the present utility model, 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 utility model is arranged on quiet plate two ends, makes full use of quiet board space, obtains maximum braking force with minimum steel, and the brake clearance scope of the utility model break is greatly without the need to frequent adjusting play, is non-maintaining type break.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is perspective view of the present utility model.
Fig. 3 is the structural representation of lever steel plate of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is made a detailed explanation.
A kind of twin coil level type block brake as shown in Figure 1, Figure 2 and Figure 3, 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 middle part upper surface of described break main body 1 is provided with the first projection 12, be provided with downward opening recess in the middle part of described first projection 12, the top of described first projection 12 is also fixed with pressing plate 9 by the first bolt; The bottom of described break main body 1 is quiet plate 11, and the two ends of described quiet plate 11 are provided with groove, and described groove internal fixtion has inductor coil 6; Inductor coil is arranged on quiet plate two ends, makes full use of quiet board space, obtains maximum braking force with minimum steel.
Be provided with lever steel plate 2 above described quiet plate 11, described lever steel plate 2 comprises the first plate 21 and the second plate 24, and one end of described first plate 21 is provided with breach 23, and is equipped with the first sleeve 22 in the middle part of the lath of breach 23 both sides; One end of described second plate 24 is stretched in breach 23, and leave space bottom termination and breach 23, the middle part that described second plate 24 stretches into breach 23 part is also provided with the second sleeve 25, described first sleeve 22 and the second sleeve 25 are in same straight line, and run through the first sleeve 22, second sleeve 25 by bearing pin 3 and lever steel plate 2 is hinged in the recess sidewall of break main body 1 by recess sidewall; The outer end of described first plate 21 and the second plate 24 lays respectively at the top of two inductor coils 6, the inner of described first plate 21 and the second plate 24 is all positioned at below pressing plate 9, described pressing plate 9 and be equipped with hold down gag between the first plate 21 and the inner upper surface of the second plate 24; 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 middle part of described dynamic plate 4 is provided with the second projection 41 upwards extended, and is against the lower surface in the middle part of lever steel plate 3 after quiet plate 15 is run through in the upper end portion of described second projection 41.
Described first sleeve 22 center is greater than 4 to the distance of the first plate 21 outer end and the first sleeve 22 center to the ratio of the distance of first plate 21 the inner, and described second sleeve 25 center is also greater than 4 to the distance of the second plate 24 outer end and the second sleeve 25 center to the ratio of the distance of second plate 24 the inner.
Be provided with gap between described pressing plate 9 and raised line 12, and the bottom of pressing plate 9 is provided with multiple 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 9 lower end surface offset, under the active force of holddown spring 8, compress directional post 7 has the inner upper surface of one end of convex surface and the first plate 21 or the second plate 24 to offset, and the other end stretches in the corresponding receiving groove of pressing plate 9.
When the utility model 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 twin coil 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 middle part upper surface of described break main body (1) is provided with the first projection (12), described first projection (12) middle part is provided with downward opening recess, and the top of described first projection (12) is also fixed with pressing plate (9) by the first bolt; The bottom of described break main body (1) is quiet plate (11), and the two ends of described quiet plate (11) are provided with groove, and described groove internal fixtion has inductor coil (6); Described quiet plate (11) top is provided with lever steel plate (2), described lever steel plate (2) comprises the first plate (21) and the second plate (24), one end of described first plate (21) is provided with breach (23), and is equipped with the first sleeve (22) in the middle part of the lath of breach (23) both sides; One end of described second plate (24) is stretched in breach (23), and space is left in termination and breach (23) bottom, the middle part that described second plate (24) stretches into breach (23) part is also provided with the second sleeve (25), described first sleeve (22) and the second sleeve (25) are in same straight line, and run through the first sleeve (22), the second sleeve (25) and recess sidewall by bearing pin (3) and be hinged in the recess sidewall of break main body (1) by lever steel plate (2); The outer end of described first plate (21) and the second plate (24) lays respectively at the top of two inductor coils (6), the inner of described first plate (21) and the second plate (24) is all positioned at pressing plate (9) below, is equipped with hold down gag between the inner upper surface of described pressing plate (9) and the first plate (21) and the second plate (24); 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 middle part of described dynamic plate (4) is provided with the second projection (41) upwards extended, and is against the lower surface at lever steel plate (3) middle part after quiet plate (15) is run through in the upper end portion of described second projection (41).
2. a kind of twin coil level type block brake according to claim 1, it is characterized in that: described first sleeve (22) center is greater than 4 to the distance of the first plate (21) outer end and the first sleeve (22) center to the ratio of the inner distance of the first plate (21), described second sleeve (25) center is also greater than 4 to distance and the second sleeve (25) center of the second plate (24) outer end to the ratio of the distance of the second plate (24) the inner.
3. a kind of twin coil level type block brake according to claim 1, it is characterized in that: be provided with gap between described pressing plate (9) and raised line (12), and the bottom of pressing plate (9) is provided with multiple receiving groove.
4. a kind of twin coil 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 (9) lower end surface offset, under the active force of holddown spring (8), compress directional post (7) has the inner upper surface of one end of convex surface and the first plate (21) or the second plate (24) to offset, the other end stretches in the corresponding receiving groove of pressing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566191.3U CN204061667U (en) | 2014-09-28 | 2014-09-28 | A kind of twin coil level type block brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566191.3U CN204061667U (en) | 2014-09-28 | 2014-09-28 | A kind of twin coil level type block brake |
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| Publication Number | Publication Date |
|---|---|
| CN204061667U true CN204061667U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566191.3U Active CN204061667U (en) | 2014-09-28 | 2014-09-28 | A kind of twin coil level type block brake |
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| CN (1) | CN204061667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265813A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Double coil lever type block brake |
| CN104891378A (en) * | 2015-06-26 | 2015-09-09 | 浙江玛拓驱动设备有限公司 | Frictional component |
-
2014
- 2014-09-28 CN CN201420566191.3U patent/CN204061667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265813A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Double coil lever type block brake |
| CN104891378A (en) * | 2015-06-26 | 2015-09-09 | 浙江玛拓驱动设备有限公司 | Frictional component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |