CN101226111A - Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator - Google Patents

Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator Download PDF

Info

Publication number
CN101226111A
CN101226111A CNA200810033282XA CN200810033282A CN101226111A CN 101226111 A CN101226111 A CN 101226111A CN A200810033282X A CNA200810033282X A CN A200810033282XA CN 200810033282 A CN200810033282 A CN 200810033282A CN 101226111 A CN101226111 A CN 101226111A
Authority
CN
China
Prior art keywords
cage
safety lock
rope
testing equipment
wire rope
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.)
Granted
Application number
CNA200810033282XA
Other languages
Chinese (zh)
Other versions
CN100580411C (en
Inventor
陈爱华
穆铭豪
韩文鹤
赫仲伟
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.)
Science and Technology Development Company of SRIBS
Original Assignee
Shanghai Building Science Research Institute Group 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 Shanghai Building Science Research Institute Group Co Ltd filed Critical Shanghai Building Science Research Institute Group Co Ltd
Priority to CN 200810033282 priority Critical patent/CN100580411C/en
Publication of CN101226111A publication Critical patent/CN101226111A/en
Application granted granted Critical
Publication of CN100580411C publication Critical patent/CN100580411C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention relates to a parachute tester of basket safety lock and steel wire hoist, which is composed of a suspension cage, a rail bracket, a traction frame with a driver, a unhooking mechanism, a safety lock brake steel wire, an anti-brake device brake rod, a sensor and a signal processing system. The top of the suspension cage is provided with a safety lock mounting frame, the traction frame is mounted above the suspension cage, which side face is mounted with a driver and bottom is mounted with the unhooking mechanism for rotating a swivel hook, the traction frame and the suspension cage via a swivel hook are connected with a hook ring on the suspension cage, to control the corner of the swivel hook via a console panel, thereby combining and unhooking the suspension cage and the traction frame. The inner face of the suspension cage is provided with a parachute mounting frame, while the brake rod is fixed with the rail bracket. The invention has strong function, complete detected parameters, high automatic degree, high safety, multiple protection, strong test reality and strong database management function.

Description

Cradle safety lock and wire rope lifter rope broken protector detect testing equipment
Technical field
The present invention relates to vertical transportation machinery, the detection testing equipment of particularly a kind of safety lock of high-rise working cradle and wire rope lifter rope broken protector.
Background technology
Along with the whole nation and local all departments to the pay attention to day by day of safety technique; exposed problems is more and more outstanding in all kinds of vertical transportation machinery safety guard detection techniques; for satisfying the needs that safety lock of high-rise working cradle and wire rope lifter anti-break rope protective device detect; guarantee the safe handling of equipment, be necessary to develop a kind of safety device detection and experimental device of scientific and efficient at this kind equipment.
Existing testing equipment and method exist the following problem:
Safety lock is the of paramount importance safety guard of aerial work basket, and in the course of work of basket of work, when hoisting rope fracture or hanging basket run-off the straight, it can in time pin the safety lock brake wire aloft, protection personnel life security.Technical standard GB19155-2003 " aerial work basket " has stipulated the method for inspection and the content of safety lock.But these checks are all being carried out on the common hanging basket or on the brief test equipment at present, the present domestic special-purpose test unit that can write down cradle safety lock locking distance and braking impulsive force automatically that still do not have.
The anti-break rope protective device is that goods is with being used to prevent hoist ropes break in building hoist and the derrick class material elevator, the important safety guard of generation cage falling accident.Technical standard JGJ88-92 " portal frame and derrick material elevator " has stipulated the requirement of braking distance of falling of anti-break rope protective device, but test method is not made concrete regulation.In actual tests, have to adopt and cut off hanging steel rope, also have by the disconnected rope of stilt simulation under the unexpected dismounting cage; The former is the expendable test, and cost is higher, and the latter is because of variant with actual condition, and test error is big.
Summary of the invention
Task of the present invention provides a kind of cradle safety lock and wire rope lifter rope broken protector detects testing equipment, and it has solved the problem that existing coherent detection equipment exists at aspects such as physical construction, detection method, parameter area, measurement means, data acquisition-and-recording, detection efficiencies.
Technical solution of the present invention is as follows:
A kind of cradle safety lock and wire rope lifter rope broken protector detect testing equipment, and it is made up of cage, guide rail bracket, the hitch frame that has driving mechanism, uncoupling rigging, safety lock brake wire, anti-break rope device brake rod and sensor and signal processing system;
Described cage inner bottom part loading test load, the cage top is provided with safety lock and frame is installed and safety lock is installed, hitch frame is settled in the cage top, driving mechanism is housed on hitch frame, the uncoupling rigging of rotatable swivel hook is housed in the hitch frame bottom, hitch frame and cage are connected with shackle on being arranged on cage by swivel hook, by operation control swivel hook corner to the control desk panel, the realization cage combines and disengagement with hitch frame, draw the safety lock brake wire from detecting the overhanging crossbeam in testing table guide rail bracket top, the safety lock brake wire passes safety lock axial cord hole and is connected to cage, constitutes the detection test unit that hangs blue safety lock thus;
Described cage inner bottom part loading test load; the cage medial surface is provided with the anti-break rope protective device and frame is installed and wire rope lifter anti-break rope protective device is installed thereon; in the position of matching brake rod is housed with the anti-break rope protective device; brake rod is fixedlyed connected with the guide rail bracket that detects testing equipment, constitutes the detection test unit of wire rope lifter anti-break rope protective device thus.
The detection testing equipment of the vertical transportation machinery safety guard that the present invention relates to has multiple function; wherein a side cage is used for the detection of gear rack type construction hoist falling-proof safety; the opposite side cage then is used for safety lock of high-rise working cradle and wire rope lifter anti-break rope protective device detects test, the shared same guide rail bracket of two cages.Detection testing equipment of the present invention is used for the detection and the test of safety lock of high-rise working cradle and wire rope lifter, derrick material elevator anti-break rope protective device etc.
Detection testing equipment of the present invention has following advantage:
1, function is strong, can be used for the check and the measurement of safety lock of high-rise working cradle, wire rope lifter anti-break rope protective device etc.
2, detected parameters is complete, and range is big, is applicable to the detection of the safety lock and the anti-break rope protective device of various model specifications.
3, automaticity height detects data all automatic measurement, record and processing, and examining report is finished automatically, guarantees the objectivity and the fairness of testing result.
4, security is good, and multiple protective ensures testing process safety.
5, the test authenticity is strong, has reduced the error that original test method causes.
6, powerful database management function, the management of being convenient to report, inquiry and statistics.
Detection testing equipment of the present invention is a kind of science, efficient, the multiduty detection testing equipment that is used for the vertical transportation machinery safety guard, is applicable to the detection and the test of safety lock of high-rise working cradle, derrick material elevator and wire rope material hoist rope broken protector etc.
Description of drawings
Fig. 1 is a kind of structural representation that detects testing equipment of the present invention.
Fig. 2 is that Fig. 1 detects hitch frame and the left side cage zoomed-in view partly in the testing equipment.
Fig. 3 is the scheme of installation that Fig. 1 detects the rocking arm in the testing equipment.
Fig. 4 is the synoptic diagram that Fig. 1 detects the uncoupling rigging in the testing equipment.
Fig. 5 is that Fig. 1 detects testing equipment detects test to tested anti-break rope protective device synoptic diagram.
Embodiment
Referring to Fig. 1 to Fig. 5; the present invention is that a kind of cradle safety lock and wire rope lifter rope broken protector detect testing equipment, and it is made up of the cage 13, guide rail bracket 4, hitch frame 14, uncoupling rigging 23, safety lock brake wire 18, anti-break rope device brake rod 34 and sensor and the signal processing system etc. that are used for the detection of cradle safety lock and wire rope lifter anti-break rope protective device.
Cage 13 inner bottom part loading test load, cage 13 tops are provided with safety lock frame are installed, and install at safety lock and settle safety lock 15 on the frame.Above cage 13, settle hitch frame 14, on hitch frame 14, settle driving mechanism 21.The uncoupling rigging 23 of rotatable swivel hook is installed in hitch frame 14 bottoms, and hitch frame 14 and cage 13 are connected with shackle on being arranged on cage 13 by swivel hook 22, and the swivel hook corner is controlled by operating console, and realization cage 13 combines and disengagement with hitch frame 14.
Tested safety lock 15 is installed the cage that frame is installed in the cage 13 that adopts guide wheel to be connected with guide rail bracket 4 and can the easy on and off slip by safety lock and is pushed up.The rocking arm 16 of adjustable pin 17 with control safety lock 15 is housed in hitch frame 14 bottoms.The rocking arm 16 of safety lock 15 is subjected to the constraint of hitch frame 14 bottom pins 17 to be in retracted state, after safety lock brake wire 18 passes the axial cord hole of tested safety lock 15 in the clear at this moment, be fixed on the overhanging crossbeam 20 at the top that is installed on guide rail bracket 4 by pulling force sensor 19.
The uncoupling rigging 23 that hitch frame 14 is provided with driving mechanism 21 and is made up of motor, reductor, shaft coupling, swivel hook 22, rotating shaft and bearing seat etc.Hinge can freely rotate under the shackle, and shackle is outwards swung under the effect of the side force in latter stage that breaks off relations, and eliminates the side direction internal force of instantaneous mechanism that breaks off relations, and adds the pelican hook action.Spring 24 is housed on the shackle of uncoupling rigging 23, on cage 13 tops block 25 is housed, shackle is connected with the turning hinge that is connected to of cage 13.The back shackle that the breaks off relations state of under the effect of spring 24 and back side block 25, being kept upright.Be provided with limit switch 26 on cage 13 tops, limit switch 26 is used to indicate the shackle position.
At the limit switch 31 that is provided with distance between energy perception hitch frame and cage between hitch frame 14 and the cage 13.On uncoupling rigging 23, be provided with the limit switch 30 of energy perception swivel hook position.Safety lock brake wire 18 connects one and is used to measure the pulling force sensor 19 that safety lock is braked impulsive force after drawing from the overhanging crossbeam 20 in detection testing table guide rail bracket 4 tops.
On cage 13, be equipped with and prevent that tested safety lock is malfunctioning and take place to weigh down the protection safety 29 of cage accident.The rotary encoder 27 of induction cage position is housed in cage 13 inside.In cage 13 bottoms the acceleration transducer 28 of measuring maximum braking acceleration in the cage braking procedure is housed.
1, the enforcement of process of the test:
Swivel hook 22 is with after the shackle that is located at cage 13 cages tops combine, and cage 13 is upwards operation under the traction of hitch frame 14, reaches to stop after testing height.Service test control desk unhook button, uncoupling rigging 23 rotates, and swivel hook 22 separates with cage top dog ring, cage 13 tenesmus, the rocking arm 16 of tested safety lock 15 breaks away from pin 17, and tested safety lock 15 pins brake wire 18, and cage 13 is braked, and finishes detection.
2, the measurement of test parameters:
Damping force when safety lock moves obtains by the analysis to pulling force sensor 19 signals, and the maximum pull and the static pulling force of wire rope 18 when measurement cage 13 is braked can obtain the damping force of safety lock and brake shock load.Cage 13 inside with guide rail bracket meshed gears axle on rotary encoder 27 is installed, can obtain the parameter such as braking distance, braking acceleration of safety lock to the analysis of rotary encoder 27 signals.On cage 13 skeletons acceleration transducer 28 is housed, is used to verify the measured value of braking acceleration.
3, testing process data automatic collecting and control:
The signal of pulling force sensor 19, rotary encoder 27, acceleration transducer 28 generates examining report automatically after robot calculator is handled, analyzes, calculated, export automatically by printer.
4, the safeguard protection of process of the test:
(1) gear type protection safety 29 is housed in the cage 13, the action when tested safety lock 15 is malfunctioning of protection safety 29 can prevent effectively that cage 13 from falling.
(2) the safety lock test is finished, after cage 13 breaks off relations with hitch frame 14, can realize combining of cage and hitch frame again by the button on the operating console, in order to guarantee safety, operating personnel's cage 13 before entering cage should be in bonding state with hitch frame 14.The present invention is provided with the limit switch 31 of its relative position of expression on cage 13 and hitch frame 14; On cage 13, be equipped with and be used to the limit switch 26 of indicating shackle whether to be in erectility; In swivel hook 22, be provided with the limit switch 30 in expression swivel hook orientation; When limit switch 26,30,31 is all connected, three corresponding pilot lamp on operating console are lighted, the expression haulage gear combines with cage, and limit switch 26,30,31 all adopts normally opened contact, avoids producing because of electrical circuit fault the possibility of rub-out signal.
(3) similar with the position control method of anti-falling safety device testing table right side cage 1, can control the position of hitch frame 14 by robot calculator automatically to the analysis of scrambler 27 signals, prevent to surmount predetermined stroke and have an accident.
(4) in order to prevent maloperation, on the control panel of operating console, be provided with two hitch frame unhook buttons, have only when these two buttons are pressed simultaneously, just experimental order comes into force.
In conjunction with referring to Fig. 5; detection testing equipment of the present invention also can detect wire rope lifter anti-break rope protective device; its basic structure is: at cage 13 cage medial surfaces wire rope lifter anti-break rope protective device 32 is installed, in cage 13 inner bottom part loading test load.Specifically, on cage 13 interior plates, be provided with wire rope lifter anti-break rope protective device frame 33 is installed, the anti-break rope protective device of settling different size, type on the frame 33 is being installed.With position that the anti-break rope protective device matches on brake rod 34 is housed, brake rod 34 is connected with the guide rail bracket 4 usefulness bolt that detect testing table, its section form can be according to the specification replacing of anti-break rope protective device.
When cage 13 broke off relations tenesmus, the action of anti-break rope protective device on brake rod 34, made cage 13 stop tenesmus cage 13 lockings.By being installed in the rotary encoder 27 of cage 13 inside, the position of induction cage 13 is analyzed rotary encoder, can draw the parameters such as braking distance, braking deceleration of safety lock, and this is identical with the cradle safety lock detection.
By being installed in the acceleration transducer 28 of cage 13 bottoms, measure the peak acceleration in cage 13 braking procedures, by calculating numerical value such as obtaining braking impulsive force, braking distance, as the mutual school of detecting data, this detects identical with cradle safety lock.
The traction of cage 13 with fall and the safeguard protection situation all identical with safety lock test.
Adopt detection testing equipment of the present invention; wire rope lifter anti-break rope protective device is detected; according to the fall requirement of braking distance of the anti-break rope protective device of technical standard JGJ88-92 " portal frame and derrick material elevator " defined; the present invention uses cage to break off relations and simulates the detection test method of wire rope breaking, has finished the measurement of specified data.
A, wire rope lifter anti-break rope protective device detect the enforcement of process of the test:
The detection of wire rope lifter anti-break rope protective device and cradle safety lock detect and carry out on same detection testing table.Tested anti-break rope protective device 32 is installed on the installation frame 33 of cage 13 inside, and matches with the brake rod 34 with anti-break rope protective device braking member adapts that is installed on the guide rail bracket 4.The section form of brake rod 34 can be changed according to the difference of tested anti-break rope protective device form.After hitch frame 14 is promoted to the test height with cage 13, by the unhook button on the operating console, cage 13 tenesmus, tested anti-break rope protective device 32 actions, locking is on brake rod 34, and cage 13 is braked.
The measurement of B, test parameters:
Cage 13 inside are equipped with rotary encoder 27, and rotary encoder 27 is by gear and the tooth bar engagement that is fixed on the guide rail bracket 4, can obtain the parameters such as braking distance, braking acceleration of safety lock to the analysis of rotary encoder 27 signals.On cage 13 skeletons acceleration transducer 28 is housed, is used to verify the measured value of braking acceleration.Obtain braking impulsive force and coefficient of impact by calculating to acceleration.
C, testing process data automatic collecting and control:
Identical with the detection test of cradle safety lock.
The safeguard protection of D, process of the test:
Identical with the detection test of cradle safety lock.
Power-driven system of the present invention preferably adopts frequency-conversion and speed-regulation motor, also can be general heavier-duty motor.
Detection pilot system of the present invention adopts independently developed software systems, comprises modules such as operation interface module, data acquisition, processing module and database, realizes that automatic processing, the examining report of detection data printed and the active data management automatically.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the foregoing description.

Claims (10)

1. cradle safety lock and wire rope lifter rope broken protector detect testing equipment, it is characterized in that it is made up of cage, guide rail bracket, the hitch frame that has driving mechanism, uncoupling rigging, safety lock brake wire, anti-break rope device brake rod and sensor and signal processing system;
Described cage inner bottom part loading test load, the cage top is provided with safety lock and frame is installed and safety lock is installed, hitch frame is settled in the cage top, driving mechanism is housed on hitch frame, the uncoupling rigging of rotatable swivel hook is housed in the hitch frame bottom, hitch frame and cage are connected with shackle on being arranged on cage by swivel hook, by operation control swivel hook corner to the control desk panel, the realization cage combines and disengagement with hitch frame, draw the safety lock brake wire from detecting the overhanging crossbeam in testing table guide rail bracket top, the safety lock brake wire passes safety lock axial cord hole and is connected to cage, constitutes the detection test unit that hangs blue safety lock thus;
Described cage inner bottom part loading test load; the cage medial surface is provided with the anti-break rope protective device and frame is installed and wire rope lifter anti-break rope protective device is installed thereon; in the position of matching brake rod is housed with the anti-break rope protective device; brake rod is fixedlyed connected with the guide rail bracket that detects testing equipment, constitutes the detection test unit of wire rope lifter anti-break rope protective device thus.
2. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, the rocking arm of adjustable pin with the control safety lock is equipped with in described hitch frame bottom.
3. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, on the described shackle spring are housed, and described cage is equipped with block on the top, and shackle is connected with the turning hinge that is connected to of cage.
4. the detection testing equipment of vertical transportation machinery safety lock protective device according to claim 1 is characterized in that, is equipped with on the described cage to be used to indicate shackle whether to be in the limit switch of erectility.
5. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, are provided with the limit switch of distance between energy perception hitch frame and cage between described hitch frame and the cage.
6. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, described uncoupling rigging is provided with the limit switch of energy perception swivel hook position.
7. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, are equipped with on the described cage to prevent that tested safety lock is malfunctioning and the protection safety of cage accident takes place to weigh down.
8. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, the rotary encoder of induction cage position is equipped with in described cage inside.
9. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment, it is characterized in that, the acceleration transducer of measuring peak acceleration in the cage braking procedure is equipped with in described cage bottom.
10. cradle safety lock according to claim 1 and wire rope lifter rope broken protector detect testing equipment; it is characterized in that; described safety lock brake wire connects one and is used to measure the pulling force sensor that safety lock is braked impulsive force after drawing from the overhanging crossbeam in detection testing table guide rail bracket top.
CN 200810033282 2008-01-31 2008-01-31 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator Expired - Fee Related CN100580411C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810033282 CN100580411C (en) 2008-01-31 2008-01-31 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810033282 CN100580411C (en) 2008-01-31 2008-01-31 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator

Publications (2)

Publication Number Publication Date
CN101226111A true CN101226111A (en) 2008-07-23
CN100580411C CN100580411C (en) 2010-01-13

Family

ID=39858231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810033282 Expired - Fee Related CN100580411C (en) 2008-01-31 2008-01-31 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator

Country Status (1)

Country Link
CN (1) CN100580411C (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102445333A (en) * 2011-09-29 2012-05-09 上海市建筑科学研究院(集团)有限公司 Field detection testing system for anti-falling safety device
CN102774718A (en) * 2012-08-13 2012-11-14 唐山建设集团有限责任公司 Checkup test method for rope breakage and loosening of material lifter
CN102866009A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent rope breaking tester for safety lock
WO2013004105A1 (en) * 2011-07-06 2013-01-10 浙江华电器材检测研究所 Self-locking reliability testing machine for speed difference falling preventing device
CN103792102A (en) * 2014-01-07 2014-05-14 山东齐鲁城市建设管理有限公司 High-place working handing basket safety lock test device
CN103787245A (en) * 2014-01-17 2014-05-14 宁波大学 Detection system and detection method for safety lock of hanging basket
CN105277353A (en) * 2015-11-20 2016-01-27 天津市中环电子计算机有限公司 A high-altitude lifting basket type machine safety lock testing experiment table and testing method
CN106013757A (en) * 2016-06-15 2016-10-12 魏会芳 Safety warning protective hanging basket
CN106289742A (en) * 2016-08-04 2017-01-04 无锡市计量检定测试中心 The detection assay device of high-lift operation hanging cradle safety lock and test method
CN106441835A (en) * 2016-08-31 2017-02-22 江苏能建机电实业集团有限公司 Broken rope protector test platform and working method thereof
CN112551452A (en) * 2020-11-30 2021-03-26 上海市建筑科学研究院科技发展有限公司 Multifunctional detection device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013004105A1 (en) * 2011-07-06 2013-01-10 浙江华电器材检测研究所 Self-locking reliability testing machine for speed difference falling preventing device
CN102445333A (en) * 2011-09-29 2012-05-09 上海市建筑科学研究院(集团)有限公司 Field detection testing system for anti-falling safety device
CN102774718A (en) * 2012-08-13 2012-11-14 唐山建设集团有限责任公司 Checkup test method for rope breakage and loosening of material lifter
CN102866009A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent rope breaking tester for safety lock
CN103792102A (en) * 2014-01-07 2014-05-14 山东齐鲁城市建设管理有限公司 High-place working handing basket safety lock test device
CN103787245B (en) * 2014-01-17 2016-01-20 宁波大学 A kind of cradle safety lock checking system and method for inspection
CN103787245A (en) * 2014-01-17 2014-05-14 宁波大学 Detection system and detection method for safety lock of hanging basket
CN105277353A (en) * 2015-11-20 2016-01-27 天津市中环电子计算机有限公司 A high-altitude lifting basket type machine safety lock testing experiment table and testing method
CN106013757A (en) * 2016-06-15 2016-10-12 魏会芳 Safety warning protective hanging basket
CN106289742A (en) * 2016-08-04 2017-01-04 无锡市计量检定测试中心 The detection assay device of high-lift operation hanging cradle safety lock and test method
CN106289742B (en) * 2016-08-04 2019-04-16 无锡市计量检定测试中心 The detection experimental rig and test method of high-lift operation hanging cradle safety lock
CN106441835A (en) * 2016-08-31 2017-02-22 江苏能建机电实业集团有限公司 Broken rope protector test platform and working method thereof
CN106441835B (en) * 2016-08-31 2018-12-07 江苏能建机电实业集团有限公司 A kind of broken rope protector test platform and its working method
CN112551452A (en) * 2020-11-30 2021-03-26 上海市建筑科学研究院科技发展有限公司 Multifunctional detection device
CN112551452B (en) * 2020-11-30 2022-08-23 上海市建筑科学研究院科技发展有限公司 Multifunctional detection device

Also Published As

Publication number Publication date
CN100580411C (en) 2010-01-13

Similar Documents

Publication Publication Date Title
CN100580411C (en) Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator
CN100557405C (en) Gear type construction hoist falling-proof safety device detects testing equipment
CN108862036A (en) Overloading and unbalanced loading of container detects protection system, method and front swing-machine
CN108059048B (en) Detection early warning system and early warning method for elevator brake
CN107892223B (en) A kind of hoisting container monitoring system and tension fault monitoring method
CN105277353A (en) A high-altitude lifting basket type machine safety lock testing experiment table and testing method
CN201587769U (en) Overload protecting device of construction hoist
CN105712152B (en) A kind of emergency protective device for used during elevator falling
CN111217219A (en) Elevator braking torque detection method and detection device
CN200992464Y (en) Lifting mechanical apparatus with position safety monitoring system
KR20090069823A (en) Safety control system of crane using three roller tensiometer
CN204778143U (en) Device for preventing elevator from falling
CN101701875A (en) Composite detecting platform for combination property of motor vehicle
CN105398948B (en) Safe hoisting device for steel plates
CN112551452B (en) Multifunctional detection device
CN206844773U (en) A kind of new-type steel wire rope looseness detection
CN207346929U (en) A kind of elevator safety operation is reminded and failure self-diagnosis device
CN204151028U (en) A kind of high precision and the weighing fork truck of safety
CN208921423U (en) A kind of cradle safety lock detection testing equipment
CN102455254A (en) Safety lock test stand
CN205472082U (en) Elevator is prevented stepping on sky, is prevented protection device that falls
CN210505130U (en) Elevator overload device tester
CN214087591U (en) Overload protection device for boiler maintenance platform
CN203715134U (en) Device for detecting tensile force of steel wire rope
WO2018205194A1 (en) Tower crane security management system and management method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170406

Address after: 200032 Shanghai city Xuhui District Wanping Road No. 75

Patentee after: Science and Technology Development Company of SRIBS

Address before: 200032 Shanghai Wanping Road No. 75

Patentee before: Shanghai Research Institute of Building Sciences (Group) Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100113

Termination date: 20180131