CN204400464U - A kind of construction lifter overload protector - Google Patents
A kind of construction lifter overload protector Download PDFInfo
- Publication number
- CN204400464U CN204400464U CN201420816737.6U CN201420816737U CN204400464U CN 204400464 U CN204400464 U CN 204400464U CN 201420816737 U CN201420816737 U CN 201420816737U CN 204400464 U CN204400464 U CN 204400464U
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- China
- Prior art keywords
- module
- signal
- sensor
- control box
- overload protector
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- Expired - Fee Related
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- Elevator Control (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
A kind of construction lifter overload protector, is made up of control box and sensor.Described control box comprises signal processing module, controls output module, display module, signal acquisition module, memory module and power module; The signal that sensor is sent here by signal acquisition module carries out integrated amplification and A/D conversion; Then deliver to signal processing module and carry out data processing; Deliver to control output module again, send alerting signal and shown by display module and cut off circuit, send memory module to store overload recording; Power module is to each module for power supply.After the utility model is installed on building hoist, the situation of energy Real-Time Monitoring load of elevator, when load reaches 60% of its rated load, exports underload switch amount and allows building hoist run slowly; Send sound and light alarm signal when load reaches its rated load 105%, and provide switching value and forbid that building hoist runs towards dangerous direction.Instrument can record current violation data simultaneously, and reviewing the history of problem provides good foundation.
Description
Technical field
The utility model relates to a kind of construction lifter overload protector, belongs to elevator safe in operation resist technology field.
Background technology
Building hoist is that building and mega project are constructed requisite key equipment, is one of significant important equipment of construction enterprises' equipment.Overload protection device is widely used as a kind of safety precautions of building hoist.Cause crane steel structure to be out of shape because of lifting overload and even occur that hoisting crane entirety is overturned the serious accident thus caused and happened occasionally, it is the important guarantee preventing such event from occurring that elevator machinery is installed load lifting limiter.
Summary of the invention
The purpose of this utility model is, in order to solve the safety protection problem of building hoist, basis is practical provides a kind of construction lifter overload protector.
The technical solution of the utility model is, a kind of construction lifter overload protector of the utility model is made up of control box and sensor; Control box is arranged in elevator electrical control cubicles, and sensor is arranged on elevator, and sensor is by shielded cable connection control case.Control box comprises signal processing module (MCU micro controller system), controls output module, display module, signal acquisition module, memory module (black box module) and power module; The signal that sensor is sent here by signal acquisition module carries out integrated amplification and A/D conversion; Then deliver to cpu signal processing module and carry out data processing; Deliver to control output module again, send alerting signal and shown by display module and cut off circuit, send memory module to store overload recording; Power module is to each module for power supply.
Sensor of the present utility model adopts pressure-strain sheet.
The principle of work of the utility model construction lifter overload protector: Real-Time Monitoring, display current load, when load reaches 60% of its rated load, exports underload switch amount and allows building hoist run slowly; Send sound and light alarm signal when load reaches its rated load 105%, and provide switching value and forbid that building hoist runs towards dangerous direction.Instrument can record current violation data simultaneously, and reviewing the history of problem provides good foundation.In elastic limits, deflection and the suffered application force of object are directly proportional.The resistance strain gage being attached to also Compositional balance electric bridge on sensor elastomer is also out of shape when force acting on transducer thereupon, and the resistance value of self is changed, and electric bridge is lack of equilibrium therefore, when being a constant for bridge voltage, and the voltage signal that output and application force are directly proportional.By this signal after filtering, amplify, A/D (D/A) conversion after obtain weight data, this weight data delivers to digital display screen display after micro controller system process, meanwhile the weight data measured and preset many groups weight data compare to obtain corresponding control signal by main frame, control.
The beneficial effects of the utility model are, after the utility model is installed on building hoist, the situation of energy Real-Time Monitoring load of elevator, when load reaches 60% of its rated load, exports underload switch amount and allow building hoist run slowly; Send sound and light alarm signal when load reaches its rated load 105%, and provide switching value and forbid that building hoist runs towards dangerous direction.Instrument can record current violation data simultaneously, and reviewing the history of problem provides good foundation.
The utility model is applicable to building hoist uses.
Accompanying drawing explanation
Fig. 1 is a kind of construction lifter overload protector system chart of the utility model;
Fig. 2 is control box scheme of installation;
Fig. 3 is the upward view of Fig. 2;
In figure: 1 is control box; 2 is guide rails; 3 is fixture blocks.
Detailed description of the invention
A kind of construction lifter overload protector of the present embodiment is made up of control box and sensor; Control box is arranged in elevator electrical control cubicles, and sensor is arranged on elevator, and sensor is by shielded cable connection control case.The system chart of circuit of the present utility model as shown in Figure 1.
The control box of the present embodiment comprises signal processing module (MCU micro controller system), controls output module, display module, signal acquisition module, memory module (black box module) and power module; The signal that sensor is sent here by signal acquisition module carries out integrated amplification and A/D conversion; Then the single life delivering to signal processing module carries out data processing; Deliver to control output module again, send alerting signal and shown by display module and cut off circuit, send memory module to store overload recording; Power module is to each module for power supply.
Control box is arranged on the guide rail in elevator electrical control cubicles, on the guide rail 1 that bottom relies on clamp 2 to be firmly fixed on by control box shell in electric cabinet.It is installed as shown in Figure 2.
Claims (3)
1. a construction lifter overload protector, is characterized in that, described device is made up of control box and sensor; Control box is arranged in elevator electrical control cubicles, and sensor is arranged on elevator, and sensor is by shielded cable connection control case;
Described control box comprises signal processing module, controls output module, display module, signal acquisition module, memory module and power module; The signal that sensor is sent here by signal acquisition module carries out integrated amplification and A/D conversion; Then deliver to signal processing module and carry out data processing; Deliver to control output module again, send alerting signal and shown by display module and cut off circuit, send memory module to store overload recording; Power module is to each module for power supply.
2. a kind of construction lifter overload protector according to claim 1, is characterized in that, described signal processing module is MCU micro controller system.
3. a kind of construction lifter overload protector according to claim 1, is characterized in that, described sensor adopts pressure-strain sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420816737.6U CN204400464U (en) | 2014-12-22 | 2014-12-22 | A kind of construction lifter overload protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420816737.6U CN204400464U (en) | 2014-12-22 | 2014-12-22 | A kind of construction lifter overload protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204400464U true CN204400464U (en) | 2015-06-17 |
Family
ID=53424343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420816737.6U Expired - Fee Related CN204400464U (en) | 2014-12-22 | 2014-12-22 | A kind of construction lifter overload protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204400464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502114A (en) * | 2016-01-30 | 2016-04-20 | 河南恒达机电设备有限公司 | Intelligent operation platform of construction elevator |
-
2014
- 2014-12-22 CN CN201420816737.6U patent/CN204400464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502114A (en) * | 2016-01-30 | 2016-04-20 | 河南恒达机电设备有限公司 | Intelligent operation platform of construction elevator |
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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: 20150617 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |