CN212374652U - A safety braking device for an elevator - Google Patents
A safety braking device for an elevator Download PDFInfo
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- CN212374652U CN212374652U CN202020752845.7U CN202020752845U CN212374652U CN 212374652 U CN212374652 U CN 212374652U CN 202020752845 U CN202020752845 U CN 202020752845U CN 212374652 U CN212374652 U CN 212374652U
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Abstract
本实用新型公开了一种电梯用安全制动装置，包括安装板、第一动单元和第二制动单元；安装板：其上表面中部固定连接有双轴电机支座，双轴电机支座的上表面固定连接有双轴电机，双轴电机右侧的输出轴外弧面固定连接有收卷盘，安装板的上表面左侧固定连接有制动箱，双轴电机的输出轴通过轴承与制动箱右侧板的通孔内部转动连接；第一动单元：设置于制动箱的内部右端；第二制动单元：设置于制动箱的内部左端；其中：还包括PLC控制器，PLC控制器固定连接于制动箱的前侧面，PLC控制器的输入端电连接外部电源，该电梯用安全制动装置，能够有效提高制动的效率，避免了电梯意外断电造成的危险，提高了安全防护的性能，可靠性高。
The utility model discloses a safety braking device for an elevator, which comprises a mounting plate, a first moving unit and a second braking unit; The upper surface of the double-shaft motor is fixedly connected with a double-shaft motor, the outer arc surface of the output shaft on the right side of the double-shaft motor is fixedly connected with a reel, the left side of the upper surface of the mounting plate is fixedly connected with a brake box, and the output shaft of the double-shaft motor passes through the bearing. It is rotatably connected with the through hole of the right side plate of the brake box; the first moving unit: arranged on the inner right end of the brake box; the second brake unit: arranged on the inner left end of the brake box; wherein: it also includes a PLC controller , The PLC controller is fixedly connected to the front side of the brake box, and the input end of the PLC controller is electrically connected to the external power supply. The elevator uses a safety braking device, which can effectively improve the braking efficiency and avoid the danger caused by accidental power failure of the elevator. , improve the performance of security protection, high reliability.
Description
Technical Field
The utility model relates to an elevator technical field specifically is a safety brake for elevator.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the car of which moves in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical, braking, commonly known as "braking", the act of stopping or slowing the moving locomotive, vehicle and other transport means or machinery. The general principle of braking is a wheel or dish of fixed on the high-speed shaft of machine, install the brake shoe that suits with it, area or dish on the frame, it produces braking torque to make it under the exogenic action, the brake disc is the essential part in the elevator operation, the brake disc can appear the inaccuracy of brake disc braking after long-time the use, and lead to the elevator brake disc not hard up easily after falling the electricity, lead to taking place the elevator accident, the personal safety of taking advantage of the terraced personnel has been reduced, the practicality of brake disc has been reduced, for this reason, we propose a safety braking device for elevator and solve above-mentioned defect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a safety brake device for elevator, can effectively improve the efficiency of braking, avoided the unexpected outage of elevator to cause dangerous, improved safety protection's performance, the reliability is high, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a safety brake device for an elevator comprises a mounting plate, a first movable unit and a second brake unit;
mounting a plate: a double-shaft motor support is fixedly connected to the middle of the upper surface of the mounting plate, a double-shaft motor is fixedly connected to the upper surface of the double-shaft motor support, a winding disc is fixedly connected to the outer arc surface of an output shaft on the right side of the double-shaft motor, a brake box is fixedly connected to the left side of the upper surface of the mounting plate, and the output shaft of the double-shaft motor is rotatably connected with the inside of a through hole of a right;
a first moving unit: the right end of the interior of the brake box is arranged;
a second brake unit: the left end is arranged in the brake box;
wherein: still include the PLC controller, PLC controller fixed connection is in the leading flank of brake box, and external power source is connected to the input electricity of PLC controller, and the input of biax motor is connected to the output electricity of PLC controller, adopts dual brake mechanism, can effectively improve the efficiency of braking, has avoided the danger that the unexpected outage of elevator caused, has improved safety protection's performance, and the reliability is high.
Further, first unit that moves includes first brake disc, electric putter, push pedal, connecting rod and arc brake block, the right flank of first brake disc and the left output shaft end fixed connection of biax motor, the electric putter symmetry sets up in the inside left and right sides face of brake box, push pedal fixed connection in electric putter's flexible end side, and the connecting rod symmetry sets up in the inside of push pedal, the extrados of arc brake block and the inboard end fixed connection of connecting rod, the extrados contact of the extrados of arc brake block and first brake disc, and electric putter promotes the push pedal and removes, and then presss from both sides through connecting rod and arc brake block and embrace the braking to first brake disc, and the security performance is good, has improved the protection level.
Further, the second brake unit comprises a screw rod, an adjusting plate, a guide post, a spring, a brake plate, a second brake disc, a metal block and an electromagnet, the left end of the outer arc surface of the screw rod is rotatably connected with the inner through hole of the left side plate of the brake box through a bearing, threads are arranged on the right side of the outer arc surface of the screw rod, the adjusting plate is in threaded connection with the right end of the screw rod, the guide post is in sliding connection with the inner wall of a round hole formed in the adjusting plate, the left side surface of the brake plate is respectively in fixed connection with the right side surface of the guide post, the left end of the spring is in fixed connection with the right side surface of the adjusting plate, the right end of the spring is in fixed connection with the left side surface of the guide post, the second brake disc is fixedly connected with the left side surface of the first brake disc, the right side surface of the brake plate is in contact with the left side, the metal block corresponds to the electromagnet, and the input end of the electromagnet is electrically connected with the output end of the PLC controller, so that the double-shaft motor further plays a role in braking the output shaft, and the safety performance is improved.
Furthermore, a counter bore is formed in the left end of the screw rod, so that the screw rod can be conveniently rotated, and the position of the adjusting plate can be adjusted.
Further, still include slider and spout, the spout sets up in the bottom plate middle part of brake box, and slider fixed connection is in the lower surface of regulating plate, and the surface of slider and the inner wall sliding connection of spout play spacing effect to the regulating plate, improve the stability of support.
Compared with the prior art, the beneficial effects of the utility model are that: this safety brake device for elevator has following benefit:
the PLC controller starts the electric push rod, the end of the push rod of the electric push rod pushes the push plate to move inwards, the push plate drives the connecting rod to move, the connecting rod drives the arc brake block to move, the inner arc surface of the arc brake block is attached to the outer arc surface of the first brake disc to brake the first brake disc, and then the output shaft of the double-shaft motor is braked through the first brake disc, when accidental power failure occurs, the electromagnet loses magnetism, the metal block is separated from the constraint of the electromagnet, the spring pushes the brake plate to move towards the right side, the friction force between the brake plate and the second brake disc is increased, so that the second brake disc brakes the output shaft of the double-shaft motor, the output shaft of the double-shaft motor is stably stopped, the safety protection performance is improved, the safety brake device for the elevator adopts a double-brake mechanism, the braking efficiency can be effectively improved, and the danger caused by, the safety protection performance is improved, and the reliability is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic left-side sectional view of the present invention;
fig. 4 is a left side view structure diagram of the screw rod of the present invention.
In the figure: the brake comprises a mounting plate 1, a double-shaft motor support 2, a double-shaft motor 3, a first moving unit 4, a first brake disc 41, an electric push rod 42, a push plate 43, a connecting rod 44, a brake shoe 45 in an arc shape, a brake box 5, a second brake unit 6, a screw 61, an adjusting plate 62, a guide post 63, a spring 64, a brake plate 65, a second brake disc 66, a metal block 67, an electromagnet 68, a winch 8, a PLC (programmable logic controller) 8, a sliding block 9 and a sliding chute 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a safety brake device for an elevator comprises a mounting plate 1, a first movable unit 4 and a second brake unit 6;
mounting plate 1: a double-shaft motor support 2 is fixedly connected to the middle of the upper surface of the double-shaft motor support 2, a double-shaft motor 3 is fixedly connected to the upper surface of the double-shaft motor support 2, a winding disc 7 is fixedly connected to the outer arc surface of an output shaft on the right side of the double-shaft motor 3, a brake box 5 is fixedly connected to the left side of the upper surface of the mounting plate 1, and the output shaft of the double-shaft motor 3 is rotatably connected with the inside of a through hole;
first moving unit 4: arranged at the right end of the interior of the brake box 5, the first moving unit 4 comprises a first brake disc 41 and an electric push rod 42, the right side face of the first brake disc 41 is fixedly connected with the end head of the output shaft on the left side of the double-shaft motor 3, the electric push rods 42 are symmetrically arranged on the left and right side faces inside the brake box 5, the push plates 43 are fixedly connected to the side faces of the telescopic ends of the electric push rods 42, the connecting rods 44 are symmetrically arranged inside the push plates 43, the outer arc faces of the arc brake discs 45 are fixedly connected with the end head on the inner side of the connecting rods 44, the inner arc faces of the arc brake discs 45 are in contact with the outer arc faces of the first brake disc 41, the push rods 43 are pushed by the end heads of the electric push rods 42 to move inwards, the connecting rods 44 are driven by the push plates 43 to move, the connecting rods 44 drive the arc brake discs 45 to move, the inner arc faces of the arc brake discs 45 are attached to the outer;
second brake unit 6: the second brake unit 6 comprises a screw 61, an adjusting plate 62, a guide post 63, a spring 64, a brake plate 65 and a second brake disc 66, the left end of the outer arc surface of the screw 61 is rotatably connected with the through hole in the left side plate of the brake box 5 through a bearing, the right side of the outer arc surface of the screw 61 is provided with a thread, the left end of the screw 61 is provided with a counter bore 611, the adjusting plate 62 is in threaded connection with the right end of the screw 61, the guide post 63 is in sliding connection with the inner wall of the round hole formed in the adjusting plate 62, the left side surface of the brake plate 65 is respectively fixedly connected with the right side surface of the guide post 63, the left end of the spring 64 is fixedly connected with the right side surface of the adjusting plate 62, the right end of the spring 64 is fixedly connected with the left side surface of the guide post 63, the second brake disc 66 is fixedly connected with the left side surface of the first, the metal block 67 is separated from the constraint of the electromagnet 68, the spring 64 pushes the brake plate 65 to move towards the right side, and the friction force between the brake plate 65 and the second brake disc 66 is increased, so that the second brake disc 66 brakes the output shaft of the double-shaft motor 3, the output shaft of the double-shaft motor 3 is stably stopped, and the safety protection performance is improved;
wherein: still include slider 9 and spout 10, spout 10 sets up in the bottom plate middle part of brake box 5, and slider 9 fixed connection is in the lower surface of regulating plate 62, and the surface of slider 9 and the inner wall sliding connection of spout 10.
Wherein: still include PLC controller 8, 8 fixed connection in the leading flank of brake box 5 of PLC controller, external power source is connected to PLC controller 8's input electricity, and double-shaft motor 3's input is connected to PLC controller 8's output electricity.
When in use: PLC controller 8 starts electric putter 42, electric putter 42's push rod end promotes push pedal 43 and moves to the inboard, push pedal 43 drives connecting rod 44 and moves, connecting rod 44 drives arc brake block 45 and moves, the intrados of arc brake block 45 and the extrados laminating of first brake disc 41, brake first brake disc 41, and then brake the output shaft of double-shaft motor 3 through first brake disc 41, when unexpected power failure takes place, electro-magnet 68 loses magnetism, metal block 67 breaks away from the constraint of electro-magnet 68, spring 64 promotes brake block 65 and moves to the right side, increase brake block 65 is to the frictional force between second brake disc 66, thereby make second brake disc 66 brake the output shaft of double-shaft motor 3, make the output shaft of double-shaft motor 3 steadily stop, safety protection performance has been improved.
It should be noted that the specific model of the PLC controller 8 disclosed in this embodiment is S7-200, the electric putter 42, the electromagnet 68, and the biaxial motor 3 may be freely configured according to the actual application scenario, it is recommended to select a WDTP type micro electric putter, the electromagnet 68 may select an HY17060 electromagnet, and the PLC controller 8 controls the electric putter 42, the electromagnet 68, and the biaxial motor 3 to work by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752845.7U CN212374652U (en) | 2020-05-09 | 2020-05-09 | A safety braking device for an elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752845.7U CN212374652U (en) | 2020-05-09 | 2020-05-09 | A safety braking device for an elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212374652U true CN212374652U (en) | 2021-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752845.7U Expired - Fee Related CN212374652U (en) | 2020-05-09 | 2020-05-09 | A safety braking device for an elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212374652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513550A (en) * | 2021-09-13 | 2021-10-19 | 南通常崟智能科技有限公司 | Automatic emergency braking device |
| CN114793042A (en) * | 2022-04-20 | 2022-07-26 | 王重斌 | Mechanical temperature control type motor |
| CN115057382A (en) * | 2022-06-15 | 2022-09-16 | 泰安今朝机械有限公司 | Device for preventing automatic rotation of slewing mechanism and operation method thereof |
-
2020
- 2020-05-09 CN CN202020752845.7U patent/CN212374652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513550A (en) * | 2021-09-13 | 2021-10-19 | 南通常崟智能科技有限公司 | Automatic emergency braking device |
| CN114793042A (en) * | 2022-04-20 | 2022-07-26 | 王重斌 | Mechanical temperature control type motor |
| CN115057382A (en) * | 2022-06-15 | 2022-09-16 | 泰安今朝机械有限公司 | Device for preventing automatic rotation of slewing mechanism and operation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |