CN87214082U - Weightlessness type overrunning governor - Google Patents
Weightlessness type overrunning governor Download PDFInfo
- Publication number
- CN87214082U CN87214082U CN 87214082 CN87214082U CN87214082U CN 87214082 U CN87214082 U CN 87214082U CN 87214082 CN87214082 CN 87214082 CN 87214082 U CN87214082 U CN 87214082U CN 87214082 U CN87214082 U CN 87214082U
- Authority
- CN
- China
- Prior art keywords
- speed
- basket
- velocity limiter
- speed limiter
- pouring weight
- 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- Withdrawn
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Abstract
The utility model discloses a weightlessness type overrunning governor, belonging to a device for controlling vertical speed of elevators. The speed limiter is composed of a weight, a spring, a base, etc. The speed limiter is installed on one end of the safe tong braking lever point of the elevator basket. When the basket falls off because of cable breakage or other faults or the glide speed of the basket exceeds the prescribed speed, the speed limiter generates zero-gravity effect and elastic force opposing reaction. The speed limiter drives the brake lever work of the elevator basket safety tong automatically, so the basket is stopped to slide down.
Description
The utility model belongs to the device of control elevator lifting speed.
Before the utility model was made, the velocity limiter of control elevator lifting speed generally adopted separation type to install.Both this velocity limiter was installed in the elevator top, drove the brake lever action of hanging basket safety tongs by steel rope.Although this velocity limiter is able to widespread usage in the elevator field at present, but still exist the deficiency of following several respects: when (one) makes the hanging basket hypervelocity even falls when disconnected rope or other fault, the reflection that velocity limiter is made this lags behind the moment that fault produces, should reach certain slip velocity by hanging basket, velocity limiter just can be made reflection, but at this moment hanging basket has produced very big impulsive force.(2) major part of velocity limiter is followed each dipping and heaving of hanging basket and moving as transmission rope, friction wheel etc., thereby is just unavoidably caused wearing and tearing, influences its reliability.(3) connect safety tongs brake lever cable wire up and down, because of the difference of position in the hanging basket lifting, tension force is directed at the safety tongs brake lever and trembles up and down also in continuous variation about it, causes safety tongs misoperation or wearing and tearing, influences its stability.
The utility model is intended to propose that a kind of moment of producing with fault of being quick on the draw, being swift in motion almost moves synchronously and the speed-limit device of the parts that reduce wear as far as possible in view of this.
Accompanying drawing is a kind of structure cutaway view of the present utility model, is made of pouring weight (1), spring (2), bearing (3), base plate (4), governing screw and cap (5).Look the requirement of installation situation, its bearing (3), base plate (4), governing screw and cap (5) can adopt, and also can not adopt.The present invention is not limited.Because the end at the safety tongs brake lever is hung a pouring weight, there is an elastic force at the opposite sense of the gravity of pouring weight, promptly constitute the present invention.
Principle of work: the gravity of establishing pouring weight (1) is C, and the quality of pouring weight (1) is m, and acceleration due to gravity is g, G=m * g then, i.e. and the size of pouring weight (1) gravity changes according to the variation of acceleration/accel.The action of gravity of pouring weight (1) is in spring (2), when disconnected rope or other fault cause the hanging basket slip velocity to surpass regulation, the acceleration due to gravity of pouring weight (1) reduces or disappears, cause the minimizing of pouring weight gravity or disappear at this moment, the elastic force of spring (2) promptly reacts on pouring weight, promote pouring weight, so drive the brake lever action of safety tongs.
Employing the utlity model has following characteristics: (one) is simple in structure, thereby the velocity limiter cost is reduced; (2) there is not worn parts in good reliability; (3) reflection is sensitive, in the moment that the pouring weight acceleration due to gravity reduces or disappears, can make the action of safety tongs brake lever.
Claims (2)
1, a kind of weight-loss type velocity limiter is the device of control elevator lifting speed.This velocity limiter is by pouring weight (1), and spring (2), bearing (3), base plate (4), lesson screw and cap (5) constitute, and are primarily characterized in that: on pouring weight (1) end face or a spring arranged under the bottom surface.
2, according to the velocity limiter of claim 1 indication, it is characterized in that: this velocity limiter is installed in an end at elevator hanging basket safety tongs brake lever place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214082 CN87214082U (en) | 1987-10-04 | 1987-10-04 | Weightlessness type overrunning governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214082 CN87214082U (en) | 1987-10-04 | 1987-10-04 | Weightlessness type overrunning governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87214082U true CN87214082U (en) | 1988-10-26 |
Family
ID=4828476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87214082 Withdrawn CN87214082U (en) | 1987-10-04 | 1987-10-04 | Weightlessness type overrunning governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87214082U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627773A (en) * | 2013-11-14 | 2015-05-20 | 中国人民解放军军械工程学院 | Independent elevator quick-response multi-level security defending system |
| CN105151945A (en) * | 2015-08-19 | 2015-12-16 | 成都广迈科技有限公司 | Safety tongs for elevator |
| CN109179147A (en) * | 2018-11-01 | 2019-01-11 | 浙江华夏电梯有限公司 | A kind of mechanical buffering unlocking mechanism of elevator speed pendant |
| CN109292578A (en) * | 2018-11-20 | 2019-02-01 | 江苏师范大学 | A kind of segmented elevator anti-drop system |
-
1987
- 1987-10-04 CN CN 87214082 patent/CN87214082U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627773A (en) * | 2013-11-14 | 2015-05-20 | 中国人民解放军军械工程学院 | Independent elevator quick-response multi-level security defending system |
| CN105151945A (en) * | 2015-08-19 | 2015-12-16 | 成都广迈科技有限公司 | Safety tongs for elevator |
| CN109179147A (en) * | 2018-11-01 | 2019-01-11 | 浙江华夏电梯有限公司 | A kind of mechanical buffering unlocking mechanism of elevator speed pendant |
| CN109292578A (en) * | 2018-11-20 | 2019-02-01 | 江苏师范大学 | A kind of segmented elevator anti-drop system |
| CN109292578B (en) * | 2018-11-20 | 2020-10-02 | 江苏师范大学 | Sectional type elevator anti-falling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |