CN211521279U - Safety brake device for elevator and elevator - Google Patents
Safety brake device for elevator and elevator Download PDFInfo
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- CN211521279U CN211521279U CN201922269951.XU CN201922269951U CN211521279U CN 211521279 U CN211521279 U CN 211521279U CN 201922269951 U CN201922269951 U CN 201922269951U CN 211521279 U CN211521279 U CN 211521279U
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- wire rope
- weight
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Abstract
The utility model relates to a safety brake device for elevator, including safety tongs, wire rope, leading wheel, weight, electro-magnet, guide cylinder, weight locating part and elevator safety switch. The elevator comprises an elevator car and safety tongs, wherein the safety tongs are installed in a matched manner with an elevator guide rail, a guide wheel is installed outside the elevator car, a steel wire rope is hung on the guide wheel, and two ends of the steel wire rope are respectively connected with the safety tongs and a heavy hammer; an electromagnet for adsorbing a heavy hammer is mounted on the elevator car, a guide cylinder is arranged below the heavy hammer, a heavy hammer limiting part is arranged in the guide cylinder, and an elevator safety switch is arranged in the guide cylinder. When the elevator stalls, the electromagnet is powered off, and the heavy hammer falls down to trigger the elevator safety switch, so that the elevator power device is powered off; the heavy hammer falls down and triggers the safety tongs through the steel wire rope, and the braking part of the safety tongs acts to generate friction braking with the elevator guide rail. The safety brake device for the elevator is reliable in work, high in response speed and high in adaptability. The elevator with the structure has high safety and stability.
Description
Technical Field
The utility model relates to a safety brake device and adopt device's elevator for elevator belongs to elevator technical field.
Background
The elevator is used as special equipment, and the safety requirement is higher. The safety brake of the elevator on the current market usually adopts three modes, wherein the first common mode is mostly the form of speed limiter device cooperation safety tongs, and the safety tongs are drawn through speed limiter effect wire rope or link mechanism, realize safety brake. This type has the disadvantage that the probability of failure or malfunction of the governor increases after long-term operation, and the governor responds for a relatively long time. The second is to directly control the lifting mechanism to act by electrically triggering the electromagnet, and the braking force of the lifting mechanism is basically derived from the attraction of the electromagnet, but this method is difficult to give consideration to the fact that the electromagnet has sufficient attraction and ensures that the action stroke of the safety tongs is within a reasonable design range, and the requirements on the electromagnet and the hardware of the lifting mechanism are very strict. The third type is mostly seen abroad, braking is performed by arranging the safety gear in a form directly controlled by an electric or electronic module, but the third type is difficult to bear large load.
In addition, the safety tongs are the prior art, no matter what type of form the safety tongs are obtained, the safety tongs are provided with the braking parts acting on the elevator guide rails, the friction force braking is generated between the braking parts and the elevator guide rails, and the safety tongs can be directly purchased and obtained from manufacturers with production qualification through the market and are not described again.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety brake device for elevator, its reliable operation, response speed are very fast and strong adaptability.
The utility model provides a safety brake device for elevator, includes safety tongs, and this safety tongs's braking portion passes through wire rope and connects, and this wire rope passes through leading wheel hoist and mount setting, and the weight is connected to this wire rope's the other end, and the top of this weight adsorbs to be connected with the electro-magnet, and in this weight movable sleeve located the guide cylinder, the bottom of this guide cylinder was equipped with the weight locating part, still was equipped with elevator safety switch in this guide cylinder.
The weight is adsorbed and controlled by the electromagnet, when the speed is out of control and the electromagnet is powered off, the weight triggers the elevator safety switch to brake the power system of the elevator to be powered off, and the steel wire rope drives the braking part of the safety tongs to brake the elevator. The gravity through the weight controls the braking to avoid the weight to rock through the guide cylinder, avoid the weight to drop through the weight locating part. This safety brake device for elevator through above-mentioned structure, has realized reliable operation, and response speed is fast and strong adaptability.
Further, this safety brake device for elevator still includes elevator speed detection device, and this elevator speed detection device includes speed detection box and in this speed detection box complex detection magnetic stripe, and this speed detection box is connected with the control unit of this electro-magnet. The device is used for detecting the running speed of the elevator in time and responding and controlling the electromagnet in time.
Furthermore, the electromagnet, the guide wheel and the safety gear are fixedly arranged outside the elevator car, and the safety gear is matched with an elevator guide rail and used for braking the elevator.
Further, the elevator safety switch is connected with the elevator operation control system and used for controlling the emergency braking of the elevator.
Further, this elevator speed detects box installs in elevator car top, and this detection magnetic stripe is laid parallelly to this elevator guide rail.
Furthermore, in order to improve the reliability, the heavy hammer triggers the safety switch of the elevator and then triggers the safety tongs.
Simultaneously, the elevator is high in safety and stability.
An elevator comprises an elevator car and a safety gear arranged outside the elevator car, wherein the safety gear is matched with an elevator guide rail, a guide wheel is arranged outside the elevator car, a steel wire rope is hung on the guide wheel, one end of the steel wire rope is connected with a braking part of the safety gear, and the other end of the steel wire rope is connected with a heavy hammer; the elevator car is provided with an electromagnet for adsorbing the heavy hammer, a guide cylinder is arranged below the heavy hammer, the bottom of the guide cylinder is provided with a heavy hammer limiting part, and an elevator safety switch is further arranged in the guide cylinder. When the elevator stalls, the electromagnet is powered off, and the heavy hammer falls down to trigger the elevator safety switch, so that the elevator power device is powered off; the heavy hammer falls down and triggers the safety tongs through the steel wire rope, and the braking part of the safety tongs acts to generate friction braking with the elevator guide rail. Adopt the elevator of above-mentioned structure, its security and stability are higher.
Furthermore, the top of the elevator car is also provided with an elevator speed detection box, and the elevator speed detection box is used for detecting the speed of the elevator, is connected with the control unit of the electromagnet and is used for controlling the electromagnet to be powered on or powered off; a detection magnetic strip matched with the elevator speed detection box is arranged in parallel with the elevator guide rail and used for detecting the speed of the elevator. The elevator speed is detected by the elevator detection box, when the elevator stalls, the control unit controls the electromagnet to be powered off,
further, the elevator safety switch is connected with the elevator operation control system and used for controlling the emergency braking of the elevator.
Furthermore, in order to improve the safety, the weight dropper triggers the safety switch of the elevator and then triggers the safety tongs.
Safety brake device for elevator, including safety tongs, the braking portion of this safety tongs passes through wire rope and connects, and this wire rope passes through leading wheel hoist and mount and sets up, and the weight is connected to this wire rope's the other end, and the top of this weight adsorbs and is connected with the electro-magnet, and in this weight movable sleeve located the guide cylinder, the bottom of this guide cylinder was equipped with the weight locating part, still was equipped with elevator safety switch in this guide cylinder. The weight is adsorbed and controlled by the electromagnet, when the speed is out of control and the electromagnet is powered off, the weight triggers the elevator safety switch to brake the power system of the elevator to be powered off, and the steel wire rope drives the braking part of the safety tongs to brake the elevator. The gravity through the weight controls the braking to avoid the weight to rock through the guide cylinder, avoid the weight to drop through the weight locating part. This safety brake device for elevator through above-mentioned structure, has realized reliable operation, and response speed is fast and strong adaptability. The elevator comprises an elevator car and a safety gear arranged outside the elevator car, wherein the safety gear is matched with an elevator guide rail, a guide wheel is arranged outside the elevator car, a steel wire rope is hung on the guide wheel, one end of the steel wire rope is connected with a braking part of the safety gear, and the other end of the steel wire rope is connected with a heavy hammer; the elevator car is provided with an electromagnet for adsorbing the heavy hammer, a guide cylinder is arranged below the heavy hammer, the bottom of the guide cylinder is provided with a heavy hammer limiting part, and an elevator safety switch is arranged in the guide cylinder. When the elevator stalls, the electromagnet is powered off, and the heavy hammer falls down to trigger the elevator safety switch, so that the elevator power device is powered off; the heavy hammer falls down and triggers the safety tongs through the steel wire rope, and the braking part of the safety tongs acts to generate friction braking with the elevator guide rail. Adopt the elevator of above-mentioned structure, its security and stability are higher.
Drawings
Fig. 1 is a front view of a safety brake device for an elevator according to the present invention applied to an elevator car;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the weight in the guide tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, 2 and 3, the safety brake device for elevator comprises a safety gear 1, a brake part of the safety gear 1 is connected through a steel wire rope 2, the steel wire rope 2 is hoisted through a guide wheel 3, the other end of the steel wire rope 2 is connected with a weight 4, an electromagnet 5 is connected above the weight 4 in an adsorption manner, the weight 4 is movably sleeved in a guide cylinder 6, a weight limiting part 61 is arranged at the bottom of the guide cylinder 6, and an elevator safety switch 7 is further arranged in the guide cylinder 6.
The weight is adsorbed and controlled by the electromagnet, when the speed is out of control and the electromagnet is powered off, the weight triggers the elevator safety switch to brake the power system of the elevator to be powered off, and the steel wire rope drives the braking part of the safety tongs to brake the elevator. The gravity through the weight controls the braking to avoid the weight to rock through the guide cylinder, avoid the weight to drop through the weight locating part. This safety brake device for elevator through above-mentioned structure, has realized reliable operation, and response speed is fast and strong adaptability.
Referring to fig. 1, 2 and 3 again, the elevator safety braking device further includes an elevator speed detection device, the elevator speed detection device includes a speed detection box 8 and a detection magnetic stripe 9 matched with the speed detection box 8, and the speed detection box 8 is connected with the control unit of the electromagnet 5. The device is used for detecting the running speed of the elevator in time and responding and controlling the electromagnet in time.
The electromagnet 5, the guide wheel 3 and the safety gear 1 are fixedly arranged outside the elevator car 10, and the safety gear 1 is matched with an elevator guide rail for braking the elevator. The elevator safety switch 7 is connected with the elevator operation control system and is used for controlling the emergency braking of the elevator. The elevator speed detection box 8 is mounted on top of an elevator car 10, and the detection magnetic strip 9 is laid parallel to the elevator guide rails. The guide cylinder is installed on the outer side wall of the elevator car. In order to improve the reliability, the heavy hammer triggers the safety switch of the elevator and then triggers the safety tongs.
The weight is adsorbed and controlled by the electromagnet, when the speed is out of control and the electromagnet is powered off, the weight triggers the elevator safety switch to brake the power system of the elevator to be powered off, and the steel wire rope drives the braking part of the safety tongs to brake the elevator. The gravity through the weight controls the braking to avoid the weight to rock through the guide cylinder, avoid the weight to drop through the weight locating part. This safety brake device for elevator through above-mentioned structure, has realized reliable operation, and response speed is fast and strong adaptability.
As shown in fig. 1, 2 and 3, an elevator comprises an elevator car 10 and a safety gear 1 installed outside the elevator car 10, wherein the safety gear 1 is installed in cooperation with an elevator guide rail, a guide wheel 3 is also installed outside the elevator car 10, a steel wire rope 2 is hung on the guide wheel 3, one end of the steel wire rope 2 is connected with a braking part of the safety gear 1, and the other end of the steel wire rope is connected with a heavy hammer 4; an electromagnet 5 for adsorbing the weight 4 is arranged on the elevator car 10, a guide cylinder 6 is arranged below the weight 4, and an elevator safety switch 7 is arranged in the guide cylinder 6. When the elevator stalls, the electromagnet is powered off, and the heavy hammer falls down to trigger the elevator safety switch, so that the elevator power device is powered off; the heavy hammer falls down and triggers the safety tongs through the steel wire rope, and the braking part of the safety tongs acts to generate friction braking with the elevator guide rail. Adopt the elevator of above-mentioned structure, its security and stability are higher.
The top of the elevator car 10 is also provided with an elevator speed detection box 8, the elevator speed detection box 8 detects the elevator speed, and is connected with the control unit of the electromagnet 5 and used for controlling the electromagnet to be powered on or powered off; a detection magnetic stripe 9 matched with the elevator speed detection box is arranged in parallel with the elevator guide rail and used for detecting the speed of the elevator. The elevator speed is detected by the elevator detection box, when the elevator stalls, the control unit controls the electromagnet to be powered off,
the elevator safety switch is connected with the elevator operation control system and used for controlling the emergency braking of the elevator.
The two ends of the safety rope are respectively connected with the heavy hammer and the safety tongs. In order to improve the safety, the heavy hammer triggers the safety switch of the elevator and then triggers the safety tongs.
When the elevator stalls, the electromagnet is powered off, and the heavy hammer falls down to trigger the elevator safety switch, so that the elevator power device is powered off; the heavy hammer falls down and triggers the safety tongs through the steel wire rope, and the braking part of the safety tongs acts to generate friction braking with the elevator guide rail. Adopt the elevator of above-mentioned structure, its security and stability are higher.
The above description is only for the purpose of illustrating embodiments of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a safety brake device for elevator, includes and inlays safely, its characterized in that, the braking portion that inlays safely passes through wire rope and connects, wire rope passes through leading wheel hoist and mount setting, the weight is connected to wire rope's the other end, the top adsorption of weight is connected with the electro-magnet, the weight movable sleeve is located in the guide cylinder, the bottom of guide cylinder is equipped with the weight locating part, still be equipped with elevator safety switch in the guide cylinder.
2. The safety brake device for elevator as claimed in claim 1, further comprising an elevator speed detecting device, wherein the elevator speed detecting device comprises a speed detecting box and a detecting magnetic strip matched with the speed detecting box, and the speed detecting box is connected with the control unit of the electromagnet.
3. The safety brake device for elevator as claimed in claim 2, wherein the electromagnet, the guide wheel and the safety insert are fixedly installed outside the elevator car, and the safety insert is installed in cooperation with the elevator guide rail for braking the elevator.
4. A safety brake device for an elevator according to claim 3, characterized in that the elevator safety switch is connected to an elevator operation control system for controlling the emergency braking of the elevator.
5. The safety brake device for elevator as claimed in claim 4, wherein the elevator speed detecting box is installed on top of the elevator car, and the detecting magnetic stripe is laid parallel to the elevator guide rail.
6. The safety brake device for elevator as claimed in any one of claims 1-5, wherein the weight triggers the safety switch of elevator before triggering the safety block.
7. An elevator comprises an elevator car and a safety embedded arranged outside the elevator car, wherein the safety embedded is matched with an elevator guide rail, and the elevator is characterized in that a guide wheel is further arranged outside the elevator car, a steel wire rope is hoisted on the guide wheel, one end of the steel wire rope is connected with a braking part of the safety embedded, and the other end of the steel wire rope is connected with a heavy hammer;
the elevator car is provided with an electromagnet for adsorbing the heavy hammer, a guide cylinder is arranged below the heavy hammer, a heavy hammer limiting part is arranged at the bottom of the guide cylinder, and an elevator safety switch is further arranged in the guide cylinder.
8. The elevator as claimed in claim 7, characterized in that an elevator speed detecting box is further installed on the top of the elevator car, detects the elevator speed, and is connected with the control unit of the electromagnet for controlling the electromagnet to be powered on or off;
and a detection magnetic strip matched with the elevator speed detection box is arranged in parallel to the elevator guide rail and used for detecting the speed of the elevator.
9. Elevator according to claim 8, characterized in that the elevator safety switch is connected to the elevator operation control system for controlling the elevator emergency braking.
10. The elevator according to claim 9, wherein said weight triggers said elevator safety switch before triggering said safety catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269951.XU CN211521279U (en) | 2019-12-17 | 2019-12-17 | Safety brake device for elevator and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269951.XU CN211521279U (en) | 2019-12-17 | 2019-12-17 | Safety brake device for elevator and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211521279U true CN211521279U (en) | 2020-09-18 |
Family
ID=72465700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922269951.XU Active CN211521279U (en) | 2019-12-17 | 2019-12-17 | Safety brake device for elevator and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211521279U (en) |
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2019
- 2019-12-17 CN CN201922269951.XU patent/CN211521279U/en active Active
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