CN202599648U - Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient - Google Patents

Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient Download PDF

Info

Publication number
CN202599648U
CN202599648U CN 201220208621 CN201220208621U CN202599648U CN 202599648 U CN202599648 U CN 202599648U CN 201220208621 CN201220208621 CN 201220208621 CN 201220208621 U CN201220208621 U CN 201220208621U CN 202599648 U CN202599648 U CN 202599648U
Authority
CN
China
Prior art keywords
elevator
mcu
controller
signal
hydraulic pump
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Withdrawn - After Issue
Application number
CN 201220208621
Other languages
Chinese (zh)
Inventor
杨健青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN HANJING AUTOMATION SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
XIAMEN HANJING AUTOMATION SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XIAMEN HANJING AUTOMATION SCIENCE & TECHNOLOGY Co Ltd filed Critical XIAMEN HANJING AUTOMATION SCIENCE & TECHNOLOGY Co Ltd
Priority to CN 201220208621 priority Critical patent/CN202599648U/en
Application granted granted Critical
Publication of CN202599648U publication Critical patent/CN202599648U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Elevator Control (AREA)

Abstract

The utility model discloses a device capable of detecting whether an elevator internal contracting brake is contracted and detecting an elevator equilibrium coefficient. The device comprises a pedestal, a pressure transducer, a hydraulic pump, a controller, a hand-held operator and a telescoping rod. The pressure transducer is arranged on the pedestal. The telescoping rod and the hydraulic pump are arranged on the pressure transducer side by side. The controller is disposed on the hydraulic pump and is connected with the hand-held operator. The pressure transducer is used for sensing pressure acted on the pressure transducer, processing the pressure and converting the pressure into an electric signal to be transmitted to the controller. After the electric signal transmitted by the pressure transducer is processed and converted by the controller, the electric signal is sent to the hand-held operator, and a pressurizing or pressure reduction instruction sent by the hand-held operator is received, processed and converted via an MCU computer to be a corresponding signal to control a corresponding valve of the hydraulic pump. The device is capable of easily and safely detecting whether the elevator internal contracting brake is contracted, and is also capable of easily and accurately detecting the elevator equilibrium coefficient.

Description

A kind ofly detect the device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly
Technical field
The utility model relates to a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects.
Background technology
GB GB7588-2003 require elevator maintain and protection company regularly (at least annually) detect band-type brake can braking reliability; Yet; Because the method for existing detection band-type brake is more loaded down with trivial details; And be difficult for accomplishing even do not have condition to accomplish that therefore, the accident that can't braking reliability occurs weighing down ladder even shearing the passenger because of band-type brake happens occasionally.
GB GB7588-2003 requires elevator to carry 125% load at band, and band-type brake can braking reliability when descending.The method of testing of prior art is to load the counterweight of 125% load-carrying at car.Elevator such as 1 ton of load-carrying then need drag the counterweight of 1.25 tons of weights to go test, promptly needs the counterweight of 1.25 tons of weights is transported to the elevator scene, through manual work counterweight is put into car again.This method is not only loaded down with trivial details; And if do not mix up can't braking reliability for band-type brake, if ladder occurs slipping, the accident that elevator is sheared the carrying personnel possibly take place then in moving up the process of counterweight; Because this testing is numerous and diverse; Thereby generally when the elevator annual test, can not detect the elevator brake sticking brake, therefore, the accident that can't braking reliability occurs weighing down ladder even shear the passenger because of band-type brake happens occasionally.
On the other hand, for load capacity and the security of operation that guarantees elevator, GB7588-2003 requires the coefficient of balance of elevator to reach 45%～50%, generally all by 50% requirement.This just requires the weight of counterweight suitable.Because the deadweight of car can't be measured; Know whether added counterweight quantity is suitable; The output current of frequency converter is drawn operation curve in the time of can only being tested ascending for elevator and gone downwards to intermediate floor by light counterweight load (20%, 45%, 50%, 80%, 100% several grade counterweights of general general load-carrying) to weight through loading in car; Measure the coefficient of balance of elevator through the focus of curve; If coefficient of balance does not meet the demands, then add and subtract measuring by different counterweight loads again behind the pouring weight.This method both bothered, and it is very big influenced by human factor, and the result who records is extremely inaccurate.
The utility model content
One of purpose of the utility model is the device that provides a kind of easy and safe detection elevator band-type brake whether to hold tightly;
It is a kind of easy and accurately detect the device of balance coefficient of elevator that two of the purpose of the utility model is to provide.
For reaching above-mentioned purpose, the solution of the utility model is:
A kind ofly detect the device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly, comprise base, pressure transducer, hydraulic pump, controller, hand-held device and expansion link; Pressure transducer is arranged on the base, and expansion link and hydraulic pump are arranged side by side on pressure transducer; Controller is arranged on the hydraulic pump, and controller is connected with the hand-held device; Wherein, pressure transducer inductive action pressure and treatment conversion on it becomes electric signal to be transferred to controller; After the electrical signal conversion that controller sends pressure transducer is handled; Send to the hand-held device through serial ports, and receive pressurization that the hand-held device sends or decompression instruction and computing converts corresponding signal to and removes to control the corresponding valve of hydraulic pump through MCU (Micro Control Unit microprocessor).
Further, pressure transducer comprises sensitive element, conversion element and power supply processing module; Power supply processing module is the conversion element power supply, and sensitive element is transferred to conversion element with the pressure signal of sensing, and conversion element converts pressure signal to electric signal and is transferred to controller.
Further, controller comprises power supply processing module, signal processing module, MCU, communication modular converter and hydraulic pump control treatment module; Power supply processing module is signal processing module, MCU, communication modular converter and the power supply of hydraulic pump control treatment module; Signal processing module receives the electric signal and the conversion process of pressure transducer transmission and issues MCU; The conversion of signals that the communication modular converter sends MCU (Micro Control Unit micro-control unit) becomes the high and signal suitable long Distance Transmission of anti-interference to send to the hand-held device, and receives and send to MCU after pressurization that the hand-held device sends or decompression instruction and the conversion process and handle; The pressurization of hydraulic pump control treatment module reception MCU or the instruction of decompression remove to control the flow of hydraulic pump valve after conversion process.
Further, the hand-held device comprises power supply processing module, seven segment code display module, MCU, communication modular converter and manipulater keyboard; Power supply processing module is seven segment code display module, MCU, communication modular converter and the power supply of manipulater keyboard; The seven segment code display module is used to show current pressure; The manipulater keyboard is used to revise pressure, and signal is transferred to MCU; Pressurization that the communication modular converter sends MCU or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller, and receive and send to MCU after current pressure that controller sends and instruction feedback signal and the conversion process and handle accordingly.
After adopting such scheme, the utility model uses and detects the device whether the elevator band-type brake is held tightly, has not only saved loaded down with trivial details carrying work, and has guaranteed testing staff's life security to detect easy and safety.Simultaneously, the utility model use to detect the device of balance coefficient of elevator, has not only saved loaded down with trivial details carrying, surveying work, and coefficient of balance also can directly read through this device, measures easy and accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the module diagram of the utility model;
Fig. 3 is the structural representation of the utility model pressure transducer;
Fig. 4 is the structural representation of the utility model controller;
The structural representation of Fig. 5 the utility model hand-held device;
Fig. 6 is the utility model user mode figure.
Label declaration
Device 100
Base 1 pressure transducer 2
Sensitive element 21 conversion elements 22
Power supply processing module 23 hydraulic pumps 3
Controller 4 power supply processing modules 41
Signal processing module 42 MCU43
Communication modular converter 44 hydraulic pump control treatment module 45
Hand-held device 5 power supply processing modules 51
Seven segment code display module 52 MCU53
Communication modular converter 54 manipulater keyboards 55
Expansion link 6.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done detailed explanation.
Consult Fig. 1 to shown in Figure 2; A kind of both having can be used as that the utility model discloses detected the device 100 whether the elevator band-type brake is held tightly; Also can be used as the device 100 that detects balance coefficient of elevator, comprise base 1, pressure transducer 2, hydraulic pump 3, controller 4, hand-held device 5 and expansion link 6.
Pressure transducer 2 is arranged on the base 1, and expansion link 6 and hydraulic pump 3 are arranged side by side on pressure transducer 2.
Controller 4 is arranged on the hydraulic pump 3, and controller 4 is connected with hand-held device 5, and controller 4 passes through the serial ports wired connection with hand-held device 5.
Wherein, pressure transducer 2 inductive actions pressure and treatment conversion on it becomes electric signal to be transferred to controller 4; After the electrical signal conversion that controller 4 sends pressure transducer 2 is handled; Send to hand-held device 5 through serial ports, and receive pressurization that hand-held device 5 sends or decompression instruction and computing converts corresponding signal to and removes to control hydraulic pump 3 corresponding valves through MCU (Micro Control Unit microprocessor).
As shown in Figure 3, pressure transducer 2 comprises sensitive element 21, conversion element 22 and power supply processing module 23.
Power supply processing module 23 is conversion element 22 power supplies, and sensitive element 21 is transferred to conversion element 22 with the pressure signal of sensing, and conversion element 22 converts pressure signal to electric signal and is transferred to controller 4.
As shown in Figure 4, controller 4 comprises power supply processing module 41, signal processing module 42, MCU43, communication modular converter 44 and hydraulic pump control treatment module 45.
Power supply processing module 41 is signal processing module 42, MCU43, communication modular converter 44 and 45 power supplies of hydraulic pump control treatment module.
Signal processing module 42 receives the electric signal and the conversion process of pressure transducer 2 transmissions and issues MCU43; The conversion of signals that communication modular converter 44 sends MCU43 (Micro Control Unit micro-control unit) becomes the high and signal suitable long Distance Transmission of anti-interference to send to hand-held device 5, and receives and send to MCU43 after pressurization that hand-held device 5 sends or decompression instruction and the conversion process and handle; The pressurization of hydraulic pump control treatment module 45 reception MCU43 or the instruction of decompression remove to control the flow of hydraulic pump 3 valves after conversion process.
As shown in Figure 5, hand-held device 5 comprises power supply processing module 51, seven segment code display module 52, MCU53, communication modular converter 54 and manipulater keyboard 55.
Power supply processing module 51 is seven segment code display module 52, MCU53, communication modular converter 54 and 55 power supplies of manipulater keyboard.
Seven segment code display module 52 is used to show current pressure; Manipulater keyboard 55 is used to revise pressure, and signal is transferred to MCU53; Pressurization that communication modular converter 54 sends MCU53 or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller 4, and receive and send to MCU53 after current pressure that controller 4 sends and instruction feedback signal and the conversion process and handle accordingly.
Wherein, detect the method whether the elevator band-type brake is held tightly, may further comprise the steps:
Step 1, as shown in Figure 6, be fixed on the car roof crossbeam detecting the device 100 whether the elevator band-type brake hold tightly, base 1 is fixed on the car roof crossbeam, after with cage operation to top layer;
Step 2; According to the elevator field condition; The control personnel control said device outdoors at machine room or top layer layer makes it to car pressure boost gradually; When pressure increases to when being equivalent to 125% load weight, crawl operation elevator descending and unclamp at once band-type brake detect band-type brake with this can braking reliability.Band-type brake is a prior art, and its structure and principle of work are not given unnecessary details here.
Said detection method has not only been saved carrying work loaded down with trivial details in the prior art, and has guaranteed testing staff's life security, detects easy and safety.
Wherein, detect the method for balance coefficient of elevator, may further comprise the steps:
Step 1, as shown in Figure 6, the device 100 that detects balance coefficient of elevator is fixed on the car roof crossbeam, base 1 is fixed on the car roof crossbeam, after with cage operation to top layer;
Step 2; According to the elevator field condition; The control personnel control said device outdoors at machine room or top layer layer makes it to car pressure boost gradually, unclamps the traction machine band-type brake when being equivalent to 50% load weight when pressure increases to, and this moment is if elevator slips ladder toward counterweight one side; The weight of surveying the explanation counterweight is big, and the counterweight weight that needs to reduce is P2=P1 (device reading)-50%*P (nominal load); If slip ladder toward car one side the counterweight shortage in weight is described then, thereby is reduced pressure that device is applied to car up to no longer slipping ladder, the counterweight weight that need to increase this moment is P2=50%*P (nominal load)-P1 (device reading); The counterweight quantity that will increase or reduce like this is M=P2/p (monolithic counterweight weight).
Said detection method has not only been saved carrying, surveying work loaded down with trivial details in the prior art, and coefficient of balance also can directly read through this device and method, measures easyly and accurate.
The preferred embodiment that the above is merely the utility model is not the restriction to this case design, and all equivalent variations of doing according to the design key of this case all fall into the protection domain of this case.

Claims (4)

1. one kind is detected the device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly, it is characterized in that: comprise base, pressure transducer, hydraulic pump, controller, hand-held device and expansion link; Pressure transducer is arranged on the base, and expansion link and hydraulic pump are arranged side by side on pressure transducer; Controller is arranged on the hydraulic pump, and controller is connected with the hand-held device; Wherein, pressure transducer inductive action pressure and treatment conversion on it becomes electric signal to be transferred to controller; After the electrical signal conversion that controller sends pressure transducer is handled, send to the hand-held device, and receive pressurization that the hand-held device sends or decompression instruction and computing converts corresponding signal to and removes to control the corresponding valve of hydraulic pump through MCU through serial ports.
2. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: pressure transducer comprises sensitive element, conversion element and power supply processing module; Power supply processing module is the conversion element power supply, and sensitive element is transferred to conversion element with the pressure signal of sensing, and conversion element converts pressure signal to electric signal and is transferred to controller.
3. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: controller comprises power supply processing module, signal processing module, MCU, communication modular converter and hydraulic pump control treatment module; Power supply processing module is signal processing module, MCU, communication modular converter and the power supply of hydraulic pump control treatment module; Signal processing module receives the electric signal and the conversion process of pressure transducer transmission and issues MCU; The conversion of signals that the communication modular converter sends MCU becomes the high and signal suitable long Distance Transmission of anti-interference to send to the hand-held device, and receives and send to MCU after pressurization that the hand-held device sends or decompression instruction and the conversion process and handle; The pressurization of hydraulic pump control treatment module reception MCU or the instruction of decompression remove to control the flow of hydraulic pump valve after conversion process.
4. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: the hand-held device comprises power supply processing module, seven segment code display module, MCU, communication modular converter and manipulater keyboard; Power supply processing module is seven segment code display module, MCU, communication modular converter and the power supply of manipulater keyboard; The seven segment code display module is used to show current pressure; The manipulater keyboard is used to revise pressure, and signal is transferred to MCU; Pressurization that the communication modular converter sends MCU or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller, and receive and send to MCU after current pressure that controller sends and instruction feedback signal and the conversion process and handle accordingly.
CN 201220208621 2012-05-10 2012-05-10 Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient Withdrawn - After Issue CN202599648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220208621 CN202599648U (en) 2012-05-10 2012-05-10 Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220208621 CN202599648U (en) 2012-05-10 2012-05-10 Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient

Publications (1)

Publication Number Publication Date
CN202599648U true CN202599648U (en) 2012-12-12

Family

ID=47317176

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220208621 Withdrawn - After Issue CN202599648U (en) 2012-05-10 2012-05-10 Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient

Country Status (1)

Country Link
CN (1) CN202599648U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102645333A (en) * 2012-05-10 2012-08-22 厦门汉京自动化科技有限公司 Method and device for detecting balance coefficient and whether band-type brake holds tightly or not
WO2015094905A1 (en) 2013-12-19 2015-06-25 Otis Elevator Company Detection method for elevator brake moment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102645333A (en) * 2012-05-10 2012-08-22 厦门汉京自动化科技有限公司 Method and device for detecting balance coefficient and whether band-type brake holds tightly or not
WO2015094905A1 (en) 2013-12-19 2015-06-25 Otis Elevator Company Detection method for elevator brake moment
US9919896B2 (en) 2013-12-19 2018-03-20 Otis Elevator Company Detection method for elevator brake moment

Similar Documents

Publication Publication Date Title
CN108083046B (en) A kind of mine vertical shaft lifting system wirerope load monitoring method
CN201694705U (en) Overload protecting and weighing protector of construction lifter
CN202599648U (en) Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient
CN103848365A (en) Weighing electric hoist
CN204096942U (en) A kind of coaster with overload protection device of weighing
CN105565101A (en) Elevator balance coefficient detection device and method
CN202508707U (en) Lift weigh control device
CN102866009A (en) Intelligent rope breaking tester for safety lock
CN201343424Y (en) Overload protection device
CN201924579U (en) Safety protection device for attached lifting scaffolds
CN102645333B (en) Method and device for detecting balance coefficient and whether band-type brake holds tightly or not
CN102295224A (en) Shackle possessing overload protection function
CN202471351U (en) Elevator balanced load tester
CN202265293U (en) Discharging buckle with overload protection function
CN202337623U (en) Lift load detector
CN204211371U (en) A kind of high precision driving electronic scales
CN200992453Y (en) Mine-well lifter steel-wire tension and tension difference detection protection device
CN102785979A (en) Test method and intelligent measuring instrument of elevator balancing coefficient
CN105016161A (en) Elevator braking force detection device and method
CN201626777U (en) Comprehensive safety protection device of hoisting equipment
CN102530674B (en) Calibration method for overload protector on lifter
CN203097256U (en) Construction hanging basket safety protection device
CN207726551U (en) A kind of Elevator hydraulic buffer resetting time measuring device
CN202109968U (en) Weighing system for detecting load condition of climbing operation equipment
CN207001936U (en) Elevator weighing apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121212

Effective date of abandoning: 20141015

RGAV Abandon patent right to avoid regrant