CN203568622U - Rope wheel brake - Google Patents
Rope wheel brake Download PDFInfo
- Publication number
- CN203568622U CN203568622U CN201320675100.5U CN201320675100U CN203568622U CN 203568622 U CN203568622 U CN 203568622U CN 201320675100 U CN201320675100 U CN 201320675100U CN 203568622 U CN203568622 U CN 203568622U
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- CN
- China
- Prior art keywords
- boss
- arresting disc
- roller
- rope sheave
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a rope wheel brake and relates to a brake device or a pawl device acting between a lift car or a cage or a skip and the inner surface of a fixing guide element or the inner surface of a winching channel or the inner surface of a lift shaft. The rope wheel brake is simple in structure, high in safety and capable of closing a rope wheel according to other signals. The rope wheel brake receives a signal of a sensor through a PLC and makes a judgment to control an electromagnet so that the electromagnet can control a pushing rod and a connecting rod and the effect that an idler wheel is controlled to vertically move can be achieved. Due to the fact that the distance between the lower end face of a boss and the circumferential face of an arresting disc is gradually reduced, arresting disc radial component force of pressure of the idler wheel on the lower end face of the boss and the upper end face of the arresting disc is gradually increased and arresting disc radial component force of arresting disc rotation force is gradually increased, so that the friction force is gradually increased and the arresting disc is braked. Through the friction of contact between the arresting disc and the rope wheel, the effect of rope wheel braking is achieved.
Description
Technical field
The utility model relates to a kind of control setup of elevator, particularly relates to a kind of brake equipment or pawl device for acting between car, cage or skip bucket and fixed guide element or elevator passage or elevator hoistways inside face.
Background technology
China's utility model patent elevator governor, Granted publication number is CN201211988Y, Granted publication day is on March 25th, 2009, disclose and a kind ofly only when elevator speed surpasses velocity limiter setting speed, could trigger corresponding safety device, and lift car or counterweight are braked and made on its guide rail that rests on elevator and keep quiescence.But when elevator accidental movement, if the actual speed of elevator does not surpass the responsiveness that velocity limiter is set, as elevator door is leaving lift car also in mobile situation, velocity limiter can not produce corresponding action, corresponding safety device can not play the effect of braking elevator yet, there is no other brake equipments by elevator brake yet.This has just brought very large potential safety hazard to the use of elevator.
This utility model elevator governor shortcoming is cannot be according to other signal at stop, and safety performance is low.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, safe, can be according to the rope sheave drg of other signal at stop rope sheaves.
The utility model rope sheave drg, comprises support, sheave shaft and rope sheave, wherein also comprises sensor, PLC controller, electromagnet, push rod, connecting rod, roller, boss and arresting disc.
Described support is fixed with sheave shaft by bearing.Described sheave shaft is connected with rope sheave key, and sheave shaft is fixedly connected with sensor.Described sensor is connected with PLC controller.Described PLC controller is connected with electromagnet.Described electromagnet is fixedly connected with support, and electromagnet is positioned at a top of the trellis, and the efferent of electromagnet is connected with push rod top.Described push rod bottom is connected with the upper hinge of connecting rod, and the axis of the hinge that push rod is connected with connecting rod is parallel with the axis of sheave shaft.The bottom of described connecting rod is provided with roller.The axis of described roller is parallel with the axis of sheave shaft.
Directly over described roller, be provided with boss.Described boss is fixedly connected with support, is provided with arresting disc under roller.Described arresting disc is connected with sheave shaft by sleeve, and the left side of arresting disc and the right side of rope sheave fit, and arresting disc right side is fixed by the nut on sheave shaft.
Between described arresting disc periphery and boss lower surface, be provided with crack, the width at described crack middle part reduces gradually to the width of crack front portion, the width at crack middle part reduces gradually to the width at crack rear portion, the maximum width of crack is greater than the diameter of roller, and the minimum width of crack is less than the diameter of roller.
The utility model rope sheave drg, wherein said boss can be divided into front boss and rear boss.Described front boss and rear boss fore-and-aft direction have distance, and symmetrical before and after front boss and rear boss, the distance of front boss and rear boss is less than the diameter of roller.
The utility model rope sheave drg, the highest point of the lower surface of wherein said boss is provided with groove.The width of described groove is less than the diameter of roller.
The utility model rope sheave drg, the periphery of wherein said roller is provided with reticulate pattern or axial straight burr.
The utility model rope sheave drg, the lower surface of wherein said boss and the upper surface of arresting disc be provided with match with roller be provided with reticulate pattern or axial straight burr.
The utility model rope sheave drg, matches with the nut on sheave shaft by dish spring in the right side of wherein said arresting disc.
The utility model rope sheave drg, wherein said arresting disc matches with rope sheave by friction lining.
The utility model rope sheave drg, wherein said arresting disc matches with dish spring by friction lining.
The utility model rope sheave drg, the lower surface of wherein said boss is arc-shaped concave.
The utility model rope sheave drg difference from prior art is that the utility model rope sheave drg is connected with the key of sheave shaft by rope sheave, make rope sheave synchronize and rotate with sheave shaft, and the sensor that is fixed on axle one side can be learnt the rotation situation of sheave shaft, and signal is passed to PLC controller, PLC controller learns that the signal of sensor judges control electromagnet, make magnet control push rod and connecting rod, reach the effect of controlling roller up-and-down movement.When PLC controller is braked rope sheaves by other signal estimate of situations, magnet control push rod and connecting rod move downward roller.Because boss lower surface is provided with crack between arresting disc periphery, the width at crack middle part reduces gradually to the width of crack front portion, the width at crack middle part reduces gradually to the width at crack rear portion, rotation direction with arresting disc after roller moves from top to bottom enters the front portion of crack or the rear portion of crack, thereby roller is blocked in crack, what by the friction force of roller and boss lower surface and the friction force of roller and arresting disc, provide makes a concerted effort, and makes arresting disc braking.Arresting disc, by the friction force contacting with rope sheave, reaches the effect of braking rope sheave.
In the utility model rope sheave drg, by the gap between front boss and rear boss, can give the roller location that moves to highest point, avoid the too fast disorderly pendulum of roller front and back that causes of roller rising, cause the effect of improper braking.Highest point by boss lower surface in the utility model rope sheave drg is provided with groove, can give the roller location that moves to highest point, has avoided the too fast disorderly pendulum of roller front and back that causes of roller rising, causes the effect of improper braking.In the utility model rope sheave drg, by the periphery at roller, be provided with reticulate pattern or straight burr, increase the roughness of surface of roller, thereby increase roller circumference and the lower surface of boss and the friction force between arresting disc periphery.In the utility model rope sheave drg, by the lower surface of boss and the periphery of arresting disc, be provided with axial straight burr or the reticulate pattern matching with roller, the roughness of surface of the lower surface of boss and the periphery of arresting disc be can increase, thereby roller circumference and the lower surface of boss and the friction force between arresting disc periphery increased.In the utility model rope sheave drg, arresting disc matches with the nut on sheave shaft by dish spring, the situation of nut and arresting disc matching loose in the process that can prevent from rotating at roller shaft.In the utility model rope sheave drg, arresting disc matches with rope sheave by friction lining, can increase arresting disc with respect to the friction force of rope sheave, reaches the effect of snap catch more.In the utility model rope sheave drg, arresting disc matches with dish spring by friction lining, can increase the friction force between arresting disc and dish spring, reaches the effect of snap catch more.In the utility model rope sheave drg, the lower surface of boss is arc-shaped concave, can be more level and smooth pass through roller braking Moving plate, prevent the situation of the too fast brake failure causing of braking procedure.
Below in conjunction with accompanying drawing, rope sheave drg of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model rope sheave drg embodiment 1 looks cutaway view;
Fig. 2 is the utility model rope sheave drg embodiment 1 cutaway view in A-A direction;
Fig. 3 is the utility model rope sheave drg embodiment 2 cutaway views in A-A direction.
The specific embodiment
Embodiment 1
As shown in Figure 1, the utility model rope sheave drg comprises support 1, sheave shaft 2 and rope sheave 3, also comprises sensor 4, PLC controller 5, electromagnet 6, push rod 7, connecting rod 8, roller 9, arresting disc 31 and boss 11.
Described support 1 is fixed with sheave shaft 2 by bearing.Described sheave shaft 2 is connected with rope sheave 3 keys, and sheave shaft 2 is fixedly connected with sensor 4 by coupler.Described sensor 4 is connected with PLC controller 5 with wire by brush.Described PLC controller 5 is connected with electromagnet 6 by wire.Described electromagnet 6 is fixedly connected with support 1, electromagnet 6 is positioned at support 1 top, electromagnet 6 inside are provided with two electromagnet that magnetic induction line direction is identical, between the identical electromagnet of two magnetic induction line directions, be provided with spring, electromagnet 6 bottoms are provided with efferent, and the efferent of electromagnet 6 is connected with push rod 7 tops.When electromagnet 6 power-off, spring between the identical electromagnet of two magnetic induction line directions pushes away efferent down mutually, electromagnet 6 can be pushed away push rod 7 downwards, and keep motionless in extreme lower position, when electromagnet 6 energising, two identical electromagnet of magnetic induction line direction attract each other, and electromagnet 6 can upwards be drawn push rod 7, and in extreme higher position, keep motionless.Described push rod 7 bottoms are connected with the upper hinge of connecting rod 8, and the axis of the hinge that push rod 7 is connected with connecting rod 8 is parallel with the axis of sheave shaft 2.The bottom of described connecting rod 8 is provided with roller 9.The axis of described roller 9 is parallel with the axis of sheave shaft 2.
As depicted in figs. 1 and 2, described roller 9 directly over be provided with boss 11.Described boss 11 is fixedly connected with support 1, the lower surface arc-shaped concave of boss 11, and boss 11 can be divided into front boss 11a and rear boss 11b.Described front boss 11a and rear boss 11b fore-and-aft direction have distance, and symmetrical before and after front boss 11a and rear boss 11b, the distance of front boss 11a and rear boss 11b is less than the diameter of roller 9.Roller 9 under be provided with arresting disc 31.The periphery of roller 9 is provided with reticulate pattern or axial straight burr.The upper surface of the lower surface of described boss 11 and arresting disc 31 be provided with match with roller 9 be provided with reticulate pattern or axial straight burr.Described arresting disc 31 is connected with sheave shaft 2 by sleeve, matches with rope sheave 3 by friction lining in the left side of arresting disc 31, matches with dish spring by friction lining in the right side of arresting disc 31, and arresting disc 31 is fixed by the nut on dish spring and sheave shaft 2.
As shown in Figure 2, between described arresting disc 31 peripheries and boss 11 lower surfaces, be provided with crack, the width at described crack middle part reduces gradually to the width of crack front portion, the width at crack middle part reduces gradually to the width at crack rear portion, the maximum width of crack is greater than the diameter of roller 9, and the minimum width of crack is less than the diameter of roller 9.
The working process of embodiment 1 is as follows:
1, elevator and the energising of rope sheave drg, elevator is normally worked, and electromagnet 6 is moved push rod 7 highest point of boss 11 to and keeps motionless, and the signal that sensor 4 rotates sheave shaft 2 passes to PLC controller 5, and PLC controller 5 judges and makes electromagnet 6 keep energising.
2, when the signal that PLC controller 5 is still rotated by other signals (as: elevator cab door is opened or artificial speed-slackening signal) and sheave shaft 2 judges, and while sending braking instruction, PLC controller 5 is by electromagnet 6 power-off, electromagnet 6 is pushed push rod 7 lowest part to and is kept motionless, push rod 7 drivening rods 8, the direction that roller 9 is rotated with arresting disc 31 enters between front boss 11a and arresting disc 31, or the direction that roller 9 rotates with arresting disc 31 enters between rear boss 11b and arresting disc 31.Roller 9 blocks boss 11 and arresting disc 31, makes arresting disc 31 brakings.
3, the left side of arresting disc 31, by friction lining and rope sheave 3 frictions, makes rope sheave 3 brakings, and the right side of arresting disc 31 rubs by friction lining and dish spring, makes dish spring drive nut braking, reaches the effect of check band wheel shaft 2.
4, when braking procedure completes, elevator operation is operated, as maintenance.
5, when elevator operation is completed, sheave shaft 2 reversions just can be pulled out by the tangential component of arresting disc rotational force the roller 9 that is stuck in boss lower surface and arresting disc 31 peripheries by roller 9, electromagnet 6 energisings simultaneously, by pulling push rod 7 and connecting rod 8, pull out roller 9.
As shown in Figure 3, the present embodiment 2 is with the difference of embodiment 1, and the highest point of the lower surface of described boss 11 is provided with groove.The width of described groove is less than the diameter of roller 9.Described electromagnet 6 inside are provided with the electromagnet of two magnetic induction line opposite directions, between the electromagnet of two magnetic induction line opposite directions, are provided with spring.When electromagnet 6 energising, the electromagnet of two magnetic induction line opposite directions is mutually exclusive, the efferent of electromagnet 6 can push away push rod 7 downwards, and keep motionless in extreme lower position, when electromagnet 6 power-off, the spring of electromagnet 6 inside can retract efferent, and electromagnet 6 can upwards be drawn push rod 7, and in extreme higher position, keeps motionless.
The working process of embodiment 2 is as follows:
1, elevator energising, the power-off of rope sheave drg, elevator is normally worked, electromagnet 6 is moved push rod 7 highest point of boss 11 to and keeps motionless, and the signal that sensor 4 rotates sheave shaft 2 passes to PLC controller 5, and PLC controller 5 judges and makes electromagnet 6 keep power-off.
2, when the signal that PLC controller 5 is still rotated by other signals (as: elevator cab door is opened or artificial speed-slackening signal) and sheave shaft 2 judges, and while sending braking instruction, PLC controller 5 is by electromagnet 6 energisings, electromagnet 6 is pushed push rod 7 lowest part to and is kept motionless, push rod 7 drivening rods 8, the direction that roller 9 is rotated with arresting disc 31 enters between the front portion and arresting disc 31 of boss 11, or the direction that roller 9 rotates with arresting disc 31 enters between the rear portion and arresting disc 31 of boss 11.Roller 9 blocks boss 11 and arresting disc 31, makes arresting disc 31 brakings.
3, the left side of arresting disc 31, by friction lining and rope sheave 3 frictions, makes rope sheave 3 brakings, and the right side of arresting disc 31 rubs by friction lining and dish spring, makes dish spring drive nut braking, reaches the effect of check band wheel shaft 2.
4, when braking procedure completes, elevator operation is operated, as maintenance.
5, when elevator operation is completed, sheave shaft 2 reversions just can be pulled out by the tangential component of arresting disc rotational force the roller 9 that is stuck in boss lower surface and arresting disc 31 peripheries by roller 9, electromagnet 6 power-off, by pulling push rod 7 and connecting rod 8, pull out roller 9 simultaneously.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (9)
1. a rope sheave drg, comprise support (1), sheave shaft (2) and rope sheave (3), it is characterized in that: also comprise sensor (4), PLC controller (5), electromagnet (6), push rod (7), connecting rod (8), roller (9), arresting disc (31) and boss (11);
Described support (1) is fixed with sheave shaft (2) by bearing, described sheave shaft (2) is connected with rope sheave (3) key, sheave shaft (2) is fixedly connected with sensor (4), described sensor (4) is connected with PLC controller (5), described PLC controller (5) is connected with electromagnet (6), described electromagnet (6) is fixedly connected with support (1), electromagnet (6) is positioned at support (1) top, the efferent of electromagnet (6) is connected with push rod (7) top, described push rod (7) bottom is connected with the upper hinge of connecting rod (8), the axis of the hinge that push rod (7) is connected with connecting rod (8) is parallel with the axis of sheave shaft (2), the bottom of described connecting rod (8) is provided with roller (9), the axis of described roller (9) is parallel with the axis of sheave shaft (2),
Directly over described roller (9), be provided with boss (11), described boss (11) is fixedly connected with support (1), under roller (9), be provided with arresting disc (31), described arresting disc (31) is connected with sheave shaft (2) by sleeve, the right side of the left side of arresting disc (31) and rope sheave (3) fits, and arresting disc (31) right side is fixed by the nut on sheave shaft (2);
Between described arresting disc (31) periphery and boss (11) lower surface, be provided with crack, the width at described crack middle part reduces gradually to the width of crack front portion, the width at crack middle part reduces gradually to the width at crack rear portion, the maximum width of crack is greater than the diameter of roller (9), and the minimum width of crack is less than the diameter of roller (9).
2. rope sheave drg according to claim 1, it is characterized in that: described boss (11) can be divided into front boss (11a) and rear boss (11b), described front boss (11a) and rear boss (11b) fore-and-aft direction have distance, symmetrical before and after front boss (11a) and rear boss (11b), the distance of front boss (11a) and rear boss (11b) is less than the diameter of roller (9).
3. rope sheave drg according to claim 1, is characterized in that: the highest point of the lower surface of described boss (11) is provided with groove, and the width of described groove is less than the diameter of roller (9).
4. rope sheave drg according to claim 2, is characterized in that: the periphery of described roller (9) is provided with reticulate pattern or axial straight burr.
5. rope sheave drg according to claim 4, is characterized in that: the periphery of the lower surface of described boss (11) and arresting disc (31) be provided with match with roller (9) be provided with reticulate pattern or axial straight burr.
6. rope sheave drg according to claim 5, is characterized in that: match with the nut on sheave shaft (2) by dish spring in the right side of described arresting disc (31).
7. rope sheave drg according to claim 6, is characterized in that: match with rope sheave (3) by friction lining in the left side of described arresting disc (31).
8. rope sheave drg according to claim 7, is characterized in that: match with dish spring by friction lining in the right side of described arresting disc (31).
9. rope sheave drg according to claim 8, is characterized in that: the lower surface of described boss (11) is arc-shaped concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675100.5U CN203568622U (en) | 2013-10-30 | 2013-10-30 | Rope wheel brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675100.5U CN203568622U (en) | 2013-10-30 | 2013-10-30 | Rope wheel brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203568622U true CN203568622U (en) | 2014-04-30 |
Family
ID=50536366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320675100.5U Withdrawn - After Issue CN203568622U (en) | 2013-10-30 | 2013-10-30 | Rope wheel brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203568622U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588058A (en) * | 2013-10-30 | 2014-02-19 | 河北东方富达机械有限公司 | Rope wheel brake |
| CN105438938A (en) * | 2015-12-31 | 2016-03-30 | 朗格尔电梯有限公司 | Dragging structure for outdoor elevator |
| CN105565110A (en) * | 2016-03-25 | 2016-05-11 | 黄淮学院 | Electromagnetic retarding device for elevators |
| CN108249252A (en) * | 2018-01-25 | 2018-07-06 | 江苏绿叶环境工程集团有限公司 | A kind of hoister guide rail rope sheave |
-
2013
- 2013-10-30 CN CN201320675100.5U patent/CN203568622U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588058A (en) * | 2013-10-30 | 2014-02-19 | 河北东方富达机械有限公司 | Rope wheel brake |
| CN103588058B (en) * | 2013-10-30 | 2016-01-20 | 河北东方富达机械有限公司 | Rope wheel brake |
| CN105438938A (en) * | 2015-12-31 | 2016-03-30 | 朗格尔电梯有限公司 | Dragging structure for outdoor elevator |
| CN105565110A (en) * | 2016-03-25 | 2016-05-11 | 黄淮学院 | Electromagnetic retarding device for elevators |
| CN108249252A (en) * | 2018-01-25 | 2018-07-06 | 江苏绿叶环境工程集团有限公司 | A kind of hoister guide rail rope sheave |
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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: 20140430 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |