CN109141843B - Safety lock detection device - Google Patents
Safety lock detection device Download PDFInfo
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- CN109141843B CN109141843B CN201811089827.9A CN201811089827A CN109141843B CN 109141843 B CN109141843 B CN 109141843B CN 201811089827 A CN201811089827 A CN 201811089827A CN 109141843 B CN109141843 B CN 109141843B
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- safety
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Control And Safety Of Cranes (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to the technical field of detection, and particularly relates to a safety lock detection device. Comprises a frame I, a frame II and a connecting rod; the connecting rod is provided with an electric hoist and a unhooking clamp and unhooking mechanism; the upper pulley and the lower pulley are provided with working steel wire ropes, one end of each working steel wire rope is connected with a counterweight frame, and the other end of each working steel wire rope is connected with a unhooking mechanism; the safety steel wire rope is arranged on the hanging lug device, and the lower end of the safety lock is connected with the counterweight frame; one side of the unhooking clamp is provided with an air cylinder, the air cylinder controls the unhooking clamp to grasp or release the pull ring, one side of the frame I, which is close to the unhooking clamp, is provided with a proximity sensor, and the proximity sensor is used for controlling the unhooking clamp to grasp the pull ring. The safety lock detection device overcomes the defects in the prior art, and provides the intelligent test bench which has the advantages of simple and compact structure, high test precision, convenient test operation and high automation degree, can detect N locks, can be determined according to the requirements of customers, is suitable for safety locks for hanging baskets of various specifications and models, and is safe and reliable.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to a safety lock detection device.
Background
At present, china has become the first major country for manufacturing, selling and using the hanging basket worldwide, but the hanging basket is not the major country for manufacturing and managing the hanging basket. The technical content of the equipment, the performance quality of the product and the scientific management aspect of construction safety in China have a certain gap with developed countries. Because of the lack of a unified, scientific, effective and clear construction site management method, the periodic detection of the construction site on the basket is basically absent or free flowing is caused, so that some mandatory terms in GB19155-2017 'high-altitude operation basket' are bound to the pavilion. Due to the lack of a scientific and effective checking mechanism, the unqualified inferior hanging basket easily enters a construction site; the hanging basket with obvious installation defects or problems is put into use at a light rate; the hanging basket with the fault hidden trouble can not find … … in time, and the proportion of the hanging basket construction safety accidents directly caused by the reasons is quite remarkable, for example: accidents that can not prevent the platform from tilting or falling due to failure of the safety lock account for more than 40%. It can thus be seen that this is caused by the problem of the quality of the safety lock, an important safety component of the overhead working basket, so that it is of great importance to strengthen the quality inspection of the safety lock.
The detection equipment in the current market can only partially detect detection items related to safety locks in GB19155-2017 high-altitude operation hanging basket, traditional non-intelligent test modes have a plurality of artificial factors, manual writing is recorded, detection data of products are not stored, quality tracing is obviously not performed by speaking about finding problems, no information is transmitted, and requirements of modern industry are difficult to meet. The detection equipment developed by the company just fills the domestic blank.
Disclosure of Invention
The safety lock detection device provided by the invention has the advantages of simple and compact structure, high test precision, convenient test operation and high automation degree, can detect N locks, can be fixed according to the requirements of customers, is suitable for safety locks for hanging baskets of various specifications and types, and is safe and reliable.
The technical scheme adopted by the invention is as follows: a safety lock detection device comprises a frame I, a frame II symmetrically arranged with the frame I, and a connecting rod arranged in front of the frame I and the frame II; the frame I and the frame II are respectively provided with an upper pulley, a lower pulley, a tension and pressure sensor, a hanging device, a clamping plate, a pressure head, a small cylinder, a pull rope sensor and a pull rope sensor guiding device; the connecting rod is provided with an electric hoist, a unhooking clamp hung below the electric hoist, sliding blocks arranged on two sides of the unhooking clamp, and a unhooking mechanism arranged below the unhooking clamp; the upper pulley and the lower pulley are provided with working steel wire ropes, one end of each working steel wire rope is connected with a counterweight frame, and the other end of each working steel wire rope is connected with a unhooking mechanism; one side of the frame I and one side of the frame II are respectively provided with a linear guide rail, two sides of the unhooking mechanism are provided with sliding blocks, and the upper ends of the unhooking mechanism are provided with pull rings; the sliding block moves up and down through a linear guide rail connected to the frame I and the frame II; the safety steel wire rope is arranged on the hanging lug device, the upper end of the safety steel wire rope is also connected with the tension and pressure sensor, the other end of the safety steel wire rope penetrates through the safety lock, and the lower end of the safety steel wire rope penetrates through the clamping plate and the pressure head which are arranged at the bottom end of the frame I or the frame II; the small cylinder acts on the pressure head to clamp the clamping plate; the lower end of the safety lock is connected with a counterweight frame, a counterweight inserting rod is arranged on the counterweight frame, and a counterweight is arranged on the counterweight inserting rod; the stay wire sensor guiding device reduces the vibration influence on the stay wire sensor when the counterweight frame runs; an angle sensor is arranged below the counterweight frame; one side of the unhooking clamp is provided with an air cylinder, the air cylinder controls the unhooking clamp to grasp or release the pull ring, one side of the frame I, which is close to the unhooking clamp, is provided with a proximity sensor, and the proximity sensor is used for controlling the unhooking clamp to grasp the pull ring.
The bottom of frame I and frame II is provided with the buffering glue piece, buffering glue piece 15 can cushion the impact that produces when the counter weight frame descends of simulation broken string state.
The cylinder is connected with an air pump.
The invention is provided with a PLC control mechanism, and the angle sensor, the stay rope sensor and the tension pressure sensor are connected with the PLC control mechanism.
The second purpose of the invention is to provide a test method of the safety lock detection device, the safety steel wire rope 11 is penetrated into the safety lock 26 to be detected, the power supply is turned on, the small cylinder 19 acts, the pressure head 18 presses the clamping plate 17, the lower end of the safety steel wire rope 11 is fixedly locked, the electric hoist 4 works to hoist the counterweight frame 14 to move upwards to the set height, one end of the counterweight frame safety lock 26 is inclined downwards to the safety lock rope angle, the safety lock 26 is locked, at this time, the angle sensor 23 uploads the acquired data to the PLC, and the safety steel wire rope angle is recorded; at this time, the safety airlock is in a locking state, the first number L 0 is collected by the pull rope sensor 20, after standing for 15min, one data L 1 is collected by the pull rope sensor again, and is uploaded to the PLC, and the static load slippage is calculated and recorded by the PLC; after the set time is reached, the safety lock 26 can be automatically opened when the counterweight frame is restored to the horizontal state, the electric hoist 4 lifts the counterweight frame 14 to move upwards to the set height and then downwards to the falling height of the safety lock 26, the electromagnetic valve electrifying cylinder 29 is opened, the unhooking clamp 5 is released to release the pull ring 25, the pull ring 25 falls down, the safety lock 26 is instantaneously locked, the rope breaking state is simulated, at the moment, the impact force of the rope breaking moment on the safety lock 26 is collected by the pull pressure sensor 30, and the impact force is uploaded to the PLC and recorded; at this time, the pull rope sensor 20 collects an initial value L ' 0, and when the safety lock is completely locked, the pull rope sensor 20 collects another value L ' 1, and the value L ' 1 is uploaded to the PLC, and the system calculates and records the rope locking distance of the safety lock 26 for simulating rope breakage; meanwhile, calculating the rope locking speed according to the time set by the system, and recording; the electric hoist 4 moves downwards until the unhooking clamp 5 grabs the pull ring 25, at the moment, the proximity sensor 28 sends out a signal, the air cylinder 29 acts to clamp the unhooking clamp 5, the electric hoist 4 starts to move upwards until the safety lock 26 is opened, continues to move upwards to a set height and then starts to move downwards, and slowly moves to a ground position, and the whole detection process is finished. The number of weights in the weight frame 14 may be adjusted as desired.
The invention adopts special software for automatically collecting data by an angle sensor, a pull rope sensor, a pull pressure sensor and a high-speed data collector to process the data, automatically generates detection records and reports, and transmits the detection records and reports to a computer.
The invention has the beneficial effects that:
The safety lock detection device overcomes the defects in the prior art, and provides the intelligent test bench which has the advantages of simple and compact structure, high test precision, convenient test operation and high automation degree, can detect N locks, can be determined according to the requirements of customers, is suitable for safety locks for hanging baskets of various specifications and models, and is safe and reliable. The inspection device can simulate the actual working conditions of the overhead operation hanging basket and the safety lock, data acquisition is realized by using the sensor and the high-speed data acquisition device, and data processing is performed by special software and a computer, so that the automation of the test process and the automatic generation of inspection records and detection reports are realized. Through verification of a specified inspection mechanism of Liaoning province quality monitoring bureau, the device can completely meet the test requirements of all projects of the safety lock in the national standard GB19155-2017 'high-altitude operation hanging basket', and provides a reliable inspection means of the safety lock for the high-altitude operation hanging basket industry which is currently in high-speed development.
Drawings
Fig. 1 is a schematic structural view of the present invention.
(1, 2 Upper pulleys, 3 connecting rods, 4 electric hoists, 5 unhooking clamps, 6 sliding blocks, 7 frame II, 8 working steel wire ropes, 9 linear guide rails, 10 hanging devices, 11 safety steel wire ropes, 12 counterweight inserting rods, 13 counterweights, 14 counterweight frames, 15 buffer rubber blocks, 16 air pumps, 17 clamping plates, 18 pressure heads, 19 small air cylinders, 20 pull rope sensors, 21 pull rope sensor guide devices, 22 lower pulleys, 23 angle sensors, 24 unhooking mechanisms 25, pull rings, 26 safety locks, 27 electric control boxes, 28 proximity sensors, 29 air cylinders and 30 pull pressure sensors)
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The safety lock detection device comprises a frame I1, a frame II7 symmetrically arranged with the frame I1, a connecting rod 3 arranged in front of the frame I1 and the frame II7, and an electric cabinet 27 arranged outside the frame I1; the frame I1 and the frame II7 are respectively provided with an upper pulley 2, a lower pulley 22, a tension and pressure sensor 30, a hanging lug device 10, a clamping plate 17, a pressure head 18, a small cylinder 19, a stay rope sensor 20 and a stay rope sensor guide device 21; the connecting rod 3 is provided with an electric hoist 4, a unhooking clamp 5 hung below the electric hoist 4, sliding blocks 6 arranged on two sides of the unhooking clamp 5, and a unhooking mechanism 24 is arranged below the unhooking clamp 5; the upper pulley 2 and the lower pulley 22 are provided with a working steel wire rope 8, one end of the working steel wire rope 8 is connected with a middle matching frame 14, and the other end is connected with a unhooking mechanism 24; a linear guide rail 9 is arranged on one side of the frame I1 and one side of the frame II7 respectively, a sliding block 6 is arranged on two sides of the unhooking mechanism 24, and a pull ring 25 is arranged at the upper end of the unhooking mechanism; the sliding block 6 moves up and down through a linear guide rail 9 connected to the frame I1 and the frame II 7; the safety steel wire rope 11 is arranged on the hanging lug device, one end of the safety steel wire rope 11 is connected to the hanging lug device 10, the upper end of the safety steel wire rope 11 is also connected with the tension and pressure sensor 30, the other end of the safety steel wire rope passes through the safety lock 26, and the lower end of the safety steel wire rope passes through the clamping plates 17 and the pressure heads 18 which are arranged at the bottom ends of the frame I1 and the frame II 7; after being electrified, the small cylinder 19 acts on the pressure head 18 to clamp the clamping plate 17, the lower end of the safety steel wire rope 11 is fixed (the function of the safety steel wire rope is equivalent to that of a heavy hammer but better than that of the heavy hammer), the lower end of the safety lock 26 is connected with the counterweight frame 14, the counterweight frame 14 is provided with the counterweight inserting rod 12, and the counterweight inserting rod 12 is provided with the counterweight 13; the stay wire sensor guide device 21 can reduce the vibration influence on the stay wire sensor 20 caused by the operation of the counterweight frame; an angle sensor 23 is arranged below the counterweight frame 14; the cylinder 29 controls the unhooking clamp 5 to pick up or release the pull ring 25, and the proximity sensor 28 controls the time when the unhooking clamp 5 picks up the pull ring 25.
The bottoms of the frame I1 and the frame II7 are provided with the buffer rubber blocks 15, and the buffer rubber blocks 15 can buffer impact generated when the counterweight frame 14 descends in a rope breaking simulation state.
The electric cabinet 27 controls the operation of the whole set of equipment in the present invention.
The small air cylinder 19 and the air cylinder 29 are connected with an air pump.
In the invention, an angle sensor, a pull rope sensor and a pull pressure sensor are connected with a PLC controller.
The invention also provides a test method of the test device
The safety steel wire rope 11 is penetrated into a safety lock 26 to be tested, a power supply is connected, a small cylinder 19 acts, a pressure head 18 presses a clamping plate 17, the lower end of the safety steel wire rope 11 is fixedly locked, an electric hoist 4 works to hoist a counterweight frame 14 to move upwards to a set height, one end of the counterweight frame safety lock 26 is inclined downwards slowly to a safety lock rope locking angle, the safety lock 26 is locked, at the moment, an angle sensor 23 uploads collected data to a PLC (programmable logic controller) to record the rope locking angle; at this time, the safety airlock is in a locking state, the first number L 0 is collected by the pull rope sensor 20, after standing for 15min, one data L 1 is collected by the pull rope sensor again, and is uploaded to the PLC, and the static load slippage is calculated and recorded by the PLC; after the set time is reached, the safety lock can be automatically opened when the counterweight frame is required to be restored to the horizontal state, the electric hoist 4 lifts the counterweight frame 14 to be upwards moved to the set height and then downwards moved to the falling lock height of the safety lock 26, the electromagnetic valve electrifying cylinder 29 is opened, the unhooking clamp 5 is released to release the pull ring 25, the pull ring 25 falls down, the safety lock 26 is instantaneously locked, the rope breaking state is simulated, at the moment, the impact force of the rope breaking moment on the safety lock 26 is collected by the pull pressure sensor 30, and the impact force is uploaded to the PLC and recorded; at this time, the pull rope sensor 20 collects an initial value L ' 0, and when the safety lock is completely locked, the pull rope sensor 20 collects another value L ' 1, and the value L ' 1 is uploaded to the PLC, and the system calculates and records the rope locking distance of the safety lock 26 for simulating rope breakage; meanwhile, calculating the rope locking speed according to the time set by the system, and recording; the electric hoist 4 moves downwards until the unhooking clamp 5 grabs the pull ring 25, at the moment, the proximity sensor 28 sends out a signal, the air cylinder 29 acts to clamp the unhooking clamp 5, the electric hoist 4 starts to move upwards until the safety lock 26 is opened, continues to move upwards to a set height and then starts to move downwards, and slowly moves to a ground position, and the whole detection process is finished. The number of weights in the weight frame 14 may be adjusted as desired.
The device adopts angle sensor, stay cord sensor, pressure sensor and high-speed data collector to gather data special software automatically and carries out data processing, automatic detection record and the report of generating, transmission to the computer.
While the invention has been described with reference to the preferred embodiments, it is not limited thereto, and various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A safety lock detection device, characterized in that: comprises a frame I (1), a frame II (7) symmetrically arranged with the frame I (1), a connecting rod (3) arranged in front of the frame I (1) and the frame II (7), and an electric cabinet (27) arranged outside the frame I (1); an upper pulley (2), a lower pulley (22), a tension pressure sensor (30), a hanging device (10), a clamping plate (17), a pressure head (18), a small cylinder (19), a pull rope sensor (20) and a pull rope sensor guiding device (21) are respectively arranged on the frame I (1) and the frame II (7); the connecting rod (3) is provided with an electric hoist (4), a unhooking clamp (5) hung below the electric hoist (4), sliding blocks (6) arranged on two sides of the unhooking clamp (5), and a unhooking mechanism (24) is arranged below the unhooking clamp (5); the upper pulley (2) and the lower pulley (22) are provided with a working steel wire rope (8), one end of the working steel wire rope (8) is connected with a counterweight frame (14), and the other end is connected with a unhooking mechanism (24); one side of the frame I (1) and one side of the frame II (7) are respectively provided with a linear guide rail (9), two sides of the unhooking mechanism (24) are provided with sliding blocks (6), and the upper end of the unhooking mechanism is provided with a pull ring (25); the sliding block (6) runs up and down through a linear guide rail (9) connected to the frame I (1) and the frame II (7); the safety steel wire rope (11) is arranged on the hanging lug device, one end of the safety steel wire rope (11) is connected to the hanging lug device (10), the upper end of the safety steel wire rope is also connected with the tension pressure sensor (30), the other end of the safety steel wire rope penetrates through the safety lock (26), and the lower end of the safety steel wire rope penetrates through the clamping plate (17) and the pressure head (18) which are arranged at the bottom ends of the frame I (1) and the frame II (7); a small air cylinder (19) acts on the pressure head (18) to clamp the clamping plate (17), and the small air cylinder (19) acts on the pressure head (18) to clamp the clamping plate (17); the lower end of the safety lock (26) is connected with a counterweight frame (14), a counterweight inserting rod (12) is arranged on the counterweight frame (14), and a counterweight (13) is arranged on the counterweight inserting rod (12); the stay wire sensor guide device (21) can reduce the vibration influence on the stay wire sensor (20) caused by the operation of the counterweight frame; an angle sensor (23) is arranged below the counterweight frame (14); the cylinder (29) controls the unhooking clamp (5) to pick up or release the pull ring (25), and the proximity sensor (28) controls the unhooking clamp (5) to pick up the pull ring (25); the bottoms of the frame I (1) and the frame II (7) are provided with buffer rubber blocks (15), and the buffer rubber blocks (15) buffer impact generated when the counterweight frame (14) in the rope breaking simulation state descends; the small air cylinder (19) and the air cylinder (29) are connected with an air pump.
2. A security lock detection device according to claim 1, wherein: the angle sensor (23), the stay rope sensor (20), the tension pressure sensor (30) and the stay rope sensor are connected with a PLC controller.
3. A security lock detection device according to claim 1, wherein: the specific application is as follows: the method comprises the steps that a safety steel wire rope (11) penetrates into a safety lock (26) to be tested, a power supply is connected, a small air cylinder (19) acts, a pressure head (18) presses a clamping plate (17), the lower end of the safety steel wire rope (11) is fixedly locked, an electric hoist (4) works to hoist a counterweight frame (14) to move upwards to a set height, one end of the counterweight frame safety lock (26) is inclined downwards to a safety lock rope angle, the safety lock (26) is locked, and at the moment, an angle sensor (23) uploads collected data to a PLC (programmable logic controller) to record the rope locking angle; at the moment, the safety airlock is in a locking state, the first number L0 is collected by the pull rope sensor (20), after standing for 15min, one data L1 is collected by the pull rope sensor, the data L1 is uploaded to the PLC, and the static load slippage is calculated and recorded by the PLC; after the set time is reached, the safety lock can be automatically opened when the counterweight frame is required to be restored to the horizontal state, the electric hoist (4) lifts the counterweight frame (14) to be operated to the set height and then to be operated to the falling lock height of the safety lock (26), the electromagnetic valve electrifying cylinder (29) is opened, the unhooking clamp (5) releases the pull ring (25), the pull ring (25) falls down, the safety lock (26) is instantaneously locked, the rope breaking state is simulated, and at the moment, the impact force of the rope breaking moment on the safety lock (26) is collected by the pulling pressure sensor (30) and uploaded to the PLC and recorded; at the moment, the stay rope sensor (20) acquires an initial value L '0, the stay rope sensor (20) acquires another value L '1 when the safety lock is completely locked, the other value L '1 is uploaded to the PLC, and the system calculates and records the rope locking distance of the simulation rope breakage of the safety lock (26); meanwhile, calculating the rope locking speed according to the time set by the system, and recording; the electric hoist (4) moves downwards until the unhooking clamp (5) grabs the pull ring (25), at the moment, the proximity sensor (28) sends out a signal, the air cylinder (29) acts to clamp the unhooking clamp (5), the electric hoist (4) starts to move upwards until the safety lock (26) is opened, the electric hoist continues to move upwards to a set height and then starts to move downwards, the electric hoist slowly moves to the ground position, and the whole detection process is finished.
4. A security lock detection device according to claim 3, wherein; the device adopts angle sensor, stay cord sensor, pressure sensor and high-speed data collector to gather data special software automatically and carries out data processing, automatic detection record and the report of generating, transmission to the computer.
5. A security lock detection device according to claim 1, wherein: the safety lock detection device detects a plurality of safety locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089827.9A CN109141843B (en) | 2018-09-18 | 2018-09-18 | Safety lock detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089827.9A CN109141843B (en) | 2018-09-18 | 2018-09-18 | Safety lock detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141843A CN109141843A (en) | 2019-01-04 |
| CN109141843B true CN109141843B (en) | 2024-05-31 |
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ID=64814772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089827.9A Active CN109141843B (en) | 2018-09-18 | 2018-09-18 | Safety lock detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141843B (en) |
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| CN103528786A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Multifunctional test device and working method thereof |
| CN103674596A (en) * | 2013-12-03 | 2014-03-26 | 山东齐鲁城市建设管理有限公司 | Testing device for high-place operation hanging basket safety lock |
| CN203728533U (en) * | 2014-01-16 | 2014-07-23 | 宁波大学 | Detecting device for safe lock of hanging basket |
| CN204740022U (en) * | 2015-07-01 | 2015-11-04 | 上海欧津机电设备有限公司 | Angle measuring device of safety lock |
| CN106744564A (en) * | 2017-01-16 | 2017-05-31 | 北京建筑大学 | A kind of safety lock detection means |
| CN107764535A (en) * | 2017-10-23 | 2018-03-06 | 沈阳建筑大学 | A kind of cradle safety lock detection platform tenesmus automatic range measurement device and method |
| CN107831007A (en) * | 2017-12-12 | 2018-03-23 | 上海市建筑科学研究院科技发展有限公司 | Safety lock for high-rise operation cradle detecting system |
| CN208833487U (en) * | 2018-09-18 | 2019-05-07 | 优服（辽宁）检测技术有限公司 | A kind of safety lock detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143145A1 (en) * | 2012-03-31 | 2013-10-03 | 中国矿业大学(北京) | Dynamics performance testing system |
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2018
- 2018-09-18 CN CN201811089827.9A patent/CN109141843B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528786A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Multifunctional test device and working method thereof |
| CN103674596A (en) * | 2013-12-03 | 2014-03-26 | 山东齐鲁城市建设管理有限公司 | Testing device for high-place operation hanging basket safety lock |
| CN203728533U (en) * | 2014-01-16 | 2014-07-23 | 宁波大学 | Detecting device for safe lock of hanging basket |
| CN204740022U (en) * | 2015-07-01 | 2015-11-04 | 上海欧津机电设备有限公司 | Angle measuring device of safety lock |
| CN106744564A (en) * | 2017-01-16 | 2017-05-31 | 北京建筑大学 | A kind of safety lock detection means |
| CN107764535A (en) * | 2017-10-23 | 2018-03-06 | 沈阳建筑大学 | A kind of cradle safety lock detection platform tenesmus automatic range measurement device and method |
| CN107831007A (en) * | 2017-12-12 | 2018-03-23 | 上海市建筑科学研究院科技发展有限公司 | Safety lock for high-rise operation cradle detecting system |
| CN208833487U (en) * | 2018-09-18 | 2019-05-07 | 优服（辽宁）检测技术有限公司 | A kind of safety lock detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109141843A (en) | 2019-01-04 |
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