CN205170094U - Measurement device for pulling force is carried to elevator overspeed governor - Google Patents
Measurement device for pulling force is carried to elevator overspeed governor Download PDFInfo
- Publication number
- CN205170094U CN205170094U CN201520898892.1U CN201520898892U CN205170094U CN 205170094 U CN205170094 U CN 205170094U CN 201520898892 U CN201520898892 U CN 201520898892U CN 205170094 U CN205170094 U CN 205170094U
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- sensor
- overspeed governor
- velocity limiter
- carried
- pulling force
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- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a measurement device for pulling force is carried to elevator overspeed governor, including the overspeed governor, be the test platform of horizontality, the wire rope that one end was equipped with draw gear passes the overspeed governor, fills up between overspeed governor and the test platform to be equipped with fenestrate sensor no. 1 and sensor no. 2 to guarantee that the overspeed governor is the horizontality, wire rope passes in sensor no. 1 and sensor no. 2 respectively. The profitable effect of utility model is: when adopting this device to measure, because the sensor does not remove along with the rope, so the measuring stroke is unrestricted, adopt the test result of this device and conventional method's test result error to be less than 1%, accord with the operation requirement.
Description
Technical field
The utility model relates to elevators field, especially a kind of measurement mechanism of elevator governor lift power.
Background technology
Elevator has become one of important vehicle in living now, and the performance of elevator is directly connected to property and the life security of people.
Elevator governor is a safety component of elevator, and the performance figure of velocity limiter have: one, the electrical action speed of velocity limiter and mechanical action speed; Two, the lift power of the lift safety tongs of velocity limiter.Specify according in GB7588-2003 " elevator manufacture with install safety standard ", the lift power of velocity limiter should meet: one, during velocity limiter action, and the tension force of governor rope must not be less than the greater of following two values: A, safety tongs work the twice of required power; Or B, 300N; Two, the minimum Breaking load of governor rope is relevant with the tension force of the governor rope produced during velocity limiter action, and its safety factor should not be less than 8.The lift power of visible velocity limiter should in a suitable scope, should too small can not be excessive, the whether suitable safety directly affecting elevator of lift power.The lift power of velocity limiter refers to: the wheel of velocity limiter is stuck when not turning, and steel rope slides the friction force formed on velocity limiter wheel.
High sensitivity pull pressure sensor is adopted to gather the change of pressure, export ultra-weak electronic signal, through amplification, filtering, analogue to digital conversion, data processing, force value is passed to computing machine after data trap receives this small signal, the data received process and convert man-machine interface data to and curve plotting by computing machine further, check and record for tester.
The method of routine measurement tension force is the direct method of measurement, and adopt the method for sensor string in governor rope, as shown in Figure 2, test platform is metallic support platform, and bearing surface is the iron plate that 15mm is thick, iron plate is opened an elongated hole, facilitates steel wire penetrating.Lain in by velocity limiter on test platform, be connected by steel wire penetrating velocity limiter with sensor, the steel rope that the sensor other end picks out is connected with draw gear.Draw gear adopts reel traction, and be fixed on reel by one end of steel rope, by electrical motor rotating drum, reel Wound steel rope provides tractive force.The friction force of velocity limiter wheel and steel rope is the lift power of velocity limiter lift safety tongs, directly can be recorded by sensor.When adopting conventional approach to measure, because sensor moves with steel wire rope, so the stroke measured is restricted.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of stroke of measurement to be the measurement mechanism that unrestricted elevator governor lifts power.
The utility model solves the technical scheme that its technical matters adopts: the measurement mechanism of this elevator governor lift power, the test platform comprise velocity limiter, being the level of state, one end is provided with the steel wire penetrating velocity limiter of draw gear, between velocity limiter and test platform, pad is provided with sensor one and the sensor two of perforation, and ensureing that velocity limiter is the level of state, steel rope passes respectively in sensor one and sensor two.
The effect that utility model is useful is: when adopting this measurement device, because sensor is not mobile with rope, so the stroke measured is unrestricted; Adopt the test result error of the test result of this device and conventional approach to be less than 1%, meet operating needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of background technology;
Description of reference numerals: velocity limiter 1, test platform 2, sensor 1, sensor 24, steel rope 5, draw gear 6.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment: as Fig. 1, test platform is the same with routine, and the sensor 1 of bore a hole centre and sensor 2 pad between velocity limiter and platform, make tested velocity limiter be in horizontality, guarantee the accuracy of image data.Steel rope 5 is connected with draw gear 6 through velocity limiter 1.First record the force value sum of sensor 1 and sensor 24 as initial value.Draw gear 6 adopts reel to draw, and is fixed on reel by one end of steel rope 5, and by electrical motor rotating drum, reel Wound steel rope provides tractive force.Again record the force value sum of sensor 1 and sensor 24 as end value.The force value of draw gear 6 is that end value deducts initial value, and according to the principle that application force is equal with antagonistic force, tractive force equals the lift power of governor rope.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (1)
1. the measurement mechanism of an elevator governor lift power, the test platform (2) comprise velocity limiter (1), being the level of state, one end is provided with the steel rope (5) of draw gear (6) through velocity limiter (1), it is characterized in that: between velocity limiter (1) and test platform (2), pad is provided with sensor one (3) and the sensor two (4) of perforation, and ensureing that velocity limiter (1) is the level of state, steel rope (5) passes respectively in sensor one (3) and sensor two (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898892.1U CN205170094U (en) | 2015-11-12 | 2015-11-12 | Measurement device for pulling force is carried to elevator overspeed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898892.1U CN205170094U (en) | 2015-11-12 | 2015-11-12 | Measurement device for pulling force is carried to elevator overspeed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205170094U true CN205170094U (en) | 2016-04-20 |
Family
ID=55734110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520898892.1U Expired - Fee Related CN205170094U (en) | 2015-11-12 | 2015-11-12 | Measurement device for pulling force is carried to elevator overspeed governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205170094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423513A (en) * | 2018-05-14 | 2018-08-21 | 重庆市特种设备检测研究院 | Elevator governor dynamic testing equipment |
-
2015
- 2015-11-12 CN CN201520898892.1U patent/CN205170094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423513A (en) * | 2018-05-14 | 2018-08-21 | 重庆市特种设备检测研究院 | Elevator governor dynamic testing equipment |
| CN108423513B (en) * | 2018-05-14 | 2024-01-30 | 重庆市特种设备检测研究院 | Dynamic test device for elevator speed limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |