CN111442893A - Comprehensive performance tester for falling safety protection system and testing method thereof - Google Patents
Comprehensive performance tester for falling safety protection system and testing method thereof Download PDFInfo
- Publication number
- CN111442893A CN111442893A CN202010323782.8A CN202010323782A CN111442893A CN 111442893 A CN111442893 A CN 111442893A CN 202010323782 A CN202010323782 A CN 202010323782A CN 111442893 A CN111442893 A CN 111442893A
- Authority
- CN
- China
- Prior art keywords
- safety
- test
- dummy
- safety belt
- buffer bag
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a comprehensive performance tester of a falling safety protection system, which comprises a bottom plate and a top plate, wherein four stand columns are fixedly connected between the bottom plate and the top plate, a first mounting platform and a second mounting platform which are fixedly connected with the four stand columns are sequentially arranged below the top plate, the bottom of one end, extending to the outside of the four stand columns, of the first mounting platform is fixedly connected with an impact sensor, a first hanging ring of the impact sensor is connected with a first buffer bag, the first buffer bag is connected with a first safety rope, and the first safety rope is connected with a safety belt worn on a first test dummy; the middle of the bottom of the second mounting platform is fixedly connected with a tension sensor, a second hanging ring of the tension sensor is connected with a second buffering bag, the second buffering bag is connected with a second safety rope, the second safety rope is connected with a safety belt worn on a second testing dummy, and the second testing dummy is connected with an oil cylinder through a third safety rope. The invention has convenient operation, high test efficiency and accurate and reliable test data, and can test the static performance of the falling safety protection system.
Description
Technical Field
The invention relates to a comprehensive performance tester of a falling safety protection system and a testing method thereof, belonging to the field of performance parameter testing of the falling safety protection system.
Background
According to the statistical analysis of high-altitude falling accidents, the high-altitude falling accidents with the height of more than 5m account for about 20 percent, the high-altitude falling accidents with the height of less than 5m account for about 80 percent, and most of the high-altitude falling accidents are fatal accidents. Therefore, it is necessary to protect the worker from falling so as to effectively avoid the great damage to the human body caused by falling when the worker falls from high altitude.
The falling safety protection system comprises a safety rope, a buffer bag, a safety belt and hardware fittings thereof, the protection technology and equipment originate from Europe, the Europe and the United states all carry out systematic research on the aspect of falling safety protection, the mastered safety protection technology and materials are leading in the world, and the related standards are relatively complete. The domestic research on the falling safety protection technology starts late, and the comprehensive and systematic research on the aspect is lacked.
The performance indexes of the falling safety protection system comprise impact force generated in the falling process, performance indexes such as static tension of a safety belt, a safety rope and a buffer bag, the smaller the impact force is in the falling process, the higher the static tension of parts is, the better the safety performance of the system is, and although preliminary research and construction are carried out on a dynamic performance tester and a static performance tester of the falling safety protection system in China at present, the single dynamic performance tester or the single static performance tester is adopted.
Aiming at the problem, a comprehensive performance tester which is simple and convenient to operate and integrates static and dynamic performance tests of a falling safety protection system is absent at present.
Disclosure of Invention
The invention provides a comprehensive performance tester of a falling safety protection system and a testing method thereof for solving the defects of the prior art, and the specific technical scheme is as follows:
a comprehensive performance tester of a falling safety protection system comprises a bottom plate and a top plate, wherein the bottom plate and the top plate are fixedly connected and surround four square stand columns, a first mounting platform and a second mounting platform which are fixedly connected with the four stand columns are sequentially arranged below the top plate, the bottom of one end, extending to the outside of the four stand columns, of the first mounting platform is fixedly connected with an impact sensor, a first hanging ring of the impact sensor is connected with a first buffer bag, the first buffer bag is connected with a first safety rope, the first safety rope is connected with a safety belt worn on a first test dummy, the bottom of the top plate is fixedly connected with an electric hoist, the electric hoist is arranged outside the four stand columns and is positioned on the same side as the impact sensor; the tension sensor is fixedly connected in the middle of the bottom of the second mounting platform, a second hanging ring of the tension sensor is connected with a second buffering bag, the second buffering bag is connected with a second safety rope, the second safety rope is connected with a safety belt worn on a second testing dummy, and the second testing dummy is connected with an oil cylinder fixedly connected to the bottom plate through a third safety rope.
Preferably, electric block includes the couple, the upper portion of couple is the circular arc section, the one end fixed connection cylinder of circular arc section, the telescopic link of cylinder corresponds with the jack that the circular arc section other end set up.
Preferably, a falling cushion pad is arranged on the bottom plate and corresponds to the first testing dummy in position.
Further, the falling buffer pad is a rubber material pad.
Preferably, a ladder stand is arranged between the upright posts.
Preferably, the measuring range of the impact sensor is 0-20KN, and the frequency response is more than or equal to 5 kHz; the measuring range of the tension sensor is 0-50KN, and the precision is 1 grade.
Furthermore, the impact sensor and the tension sensor are electrically connected with a P L C controller, the P L C controller is in communication connection with a computer, test software is installed on the computer, and the P L C controller is electrically connected with an air pump connected with the air cylinder and an oil pump connected with the oil cylinder respectively.
A method for testing the comprehensive performance of a falling safety protection system comprises a dynamic performance testing method and a static performance testing method, wherein the dynamic performance testing method comprises the following steps:
the method comprises the following steps: placing a first safety rope, a first buffer bag and a safety belt of the falling safety protection system under the condition that the relative humidity is less than 65% for 12 hours;
step two: connecting the first buffer bag with a first hanging ring of an impact sensor, wearing a safety belt on a first test dummy body, and connecting two ends of a first safety rope with the first buffer bag and the safety belt worn on the first test dummy body respectively;
step three: carrying out a standing posture test, manually connecting a belt buckle on a safety belt with a hook of an electric hoist, starting the electric hoist, lifting a first test dummy to enable the transverse distance between the first test dummy and a first hanging ring of an impact sensor to be less than 0.3m, taking the waist and hip line of the first test dummy as a marking position, and longitudinally lifting the waist and hip line of the first test dummy by 1m on the basis that the waist and hip line is flush with the first hanging ring of the impact sensor;
step four: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a release button of an air cylinder of test software on a computer, starting timing by the test software, starting an air pump connected with the air cylinder by a P L C controller, retracting an expansion link of the air cylinder, releasing a first test dummy, performing free fall, sending a signal to a P L C controller by an impact sensor, sending a signal to the test software on the computer by a P L C controller, stopping timing by the test software, recording and displaying test time and impact force corresponding to the signal sent by the impact sensor so as to generate a crash and drop curve, wherein the abscissa is time, the unit is second, and the ordinate is impact force, the unit is KN;
step six: measuring and recording the slippage marked in the safety belt deviation step IV and the extension distance of the first buffer bag, and observing and recording whether the safety belt, the first safety rope and the first buffer bag are torn or broken;
step seven: carrying out a reversed posture test, manually connecting a belt buckle on the safety belt with a hook of an electric hoist, starting the electric hoist, lifting the first test dummy to enable the transverse distance between the first test dummy and a first hanging ring of the impact sensor to be less than 0.3m, standing the first test dummy upside down, and enabling the head to be flush with the first hanging ring of the impact sensor;
step eight: and repeating the fourth step to the sixth step.
Further, the static performance testing method comprises the following steps:
the method comprises the following steps: placing a second safety rope, a second buffer bag and a safety belt of the falling safety protection system at the temperature of 25 +/-1 ℃ and the relative humidity of 60 +/-5% for 36 hours;
step two: connecting a second buffer bag with a second hanging ring of the tension sensor, wearing a safety belt on a second test dummy body, connecting two ends of a second safety rope with the second buffer bag and the safety belt worn on the second test dummy body respectively, and connecting the safety belt worn on the second test dummy body with a telescopic rod of an oil cylinder;
step three: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a starting button of an oil cylinder of test software on a computer, starting an oil pump connected with the oil cylinder by a P L C controller, enabling a telescopic rod of the oil cylinder to retract at a constant speed of less than 100mm/min, sending a signal to a P L C controller by a tension sensor in real time, sending a signal to the test software on the computer by a P L C controller, displaying a static tension value corresponding to the signal sent by the tension sensor by the test software, sending a signal to the P L C controller when a set static tension of 15KN is achieved, sending a signal to the oil pump connected with the oil cylinder by the P L C controller, controlling the oil pump to stop automatically, and keeping the static tension of 15KN for 5 min;
step five: measuring and recording slippage marked in the safety belt deviation step III and the extension distance of the second buffer bag, observing and recording whether the safety belt, the second safety rope and the second buffer bag are torn or broken, if not, ensuring that the safety belt, the second safety rope and the second buffer bag of the falling safety protection system are qualified in product quality, then starting the oil cylinder again, continuously applying pulling force until one of the safety belt, the second safety rope and the second buffer bag of the falling safety protection system is broken, and displaying and recording final static pulling force by testing software.
The invention has convenient operation, high test efficiency, standard and scientific test method, accurate and reliable test data, can simulate and test the bearing characteristic of the dummy in the free falling process without being firmly held in the aloft work, can clearly embody the test data of the upright posture and inverted posture falling impact force values and draw corresponding curves by test software, and can test the static performance of the falling safety protection system.
Drawings
Fig. 1 is a schematic structural view of a comprehensive performance tester of a fall safety protection system according to the present invention.
Fig. 2 is a schematic structural view of the hook of the present invention.
In the figure: 1. a base plate; 2. a top plate; 3. a column; 4. a first mounting platform; 5. a second mounting platform; 6. an impact sensor; 7. a first suspension loop; 8. a first buffer packet; 9. a first safety line; 10. a first test dummy; 11. an electric hoist; 12. a tension sensor; 13. a second suspension loop; 14. a second buffer packet; 15. a second safety line; 16. a second test dummy; 17. a third safety line; 18. an oil cylinder; 19. hooking; 1901. an arc-shaped section; 1902. a cylinder; 20. a fall bumper pad; 21. the ladder is climbed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a falling safety protection system comprehensive performance tester comprises a bottom plate 1 and a top plate 2, four square upright posts 3 are fixedly connected between the bottom plate 1 and the top plate 2, a first mounting platform 4 and a second mounting platform 5 which are fixedly connected with the four upright posts 3 are sequentially arranged below the top plate 2, the bottom of one end of the first mounting platform 4 extending to the outside of the four upright posts 3 is fixedly connected with an impact sensor 6, the first hanging ring 7 of the impact sensor 6 is connected with a first buffer 8 bag, the first buffer bag 8 is connected with a first safety rope 9, the first safety rope 9 is connected with a safety belt worn on a first test dummy 10, the bottom of the top plate 2 is fixedly connected with an electric hoist 11, the electric hoist 11 is arranged outside the four upright posts 3 and is positioned on the same side as the impact sensor 6; the middle of the bottom of the second mounting platform 5 is fixedly connected with a tension sensor 12, a second hanging ring 13 of the tension sensor 12 is connected with a second buffering bag 14, the second buffering bag 14 is connected with a second safety rope 15, the second safety rope 15 is connected with a safety belt worn on a second testing dummy 16, and the second testing dummy 16 is connected with an oil cylinder 18 fixedly connected to the bottom plate 1 through a third safety rope 17. The first test dummy 10 and the second test dummy 16 each weigh 100 + -0.1 kg.
The base plate 1 is provided with a falling cushion pad 20 corresponding to the first test dummy 10, and the falling cushion pad 20 is made of rubber material and used for buffering and protecting the falling of the first test dummy 10.
Be equipped with the cat ladder between the stand, make things convenient for maintenance operation personnel to climb on first mounting platform, second mounting platform and roof through the cat ladder, maintain relevant equipment.
The impact sensor 6 is a tension sensor, the measurement range is 0-20KN, and the frequency response is more than or equal to 5 kHz; the measuring range of the tension sensor 12 is 0-50KN, and the precision is 1 grade.
The impact sensor 6 and the tension sensor 12 are electrically connected with a P L C controller, the P L C controller is in communication connection with a computer, test software is installed on the computer, and the P L C controller is respectively electrically connected with an air pump connected with the air cylinder 1902 and an oil pump connected with the oil cylinder 18.
A method for testing the comprehensive performance of a falling safety protection system comprises a dynamic performance testing method and a static performance testing method, wherein the dynamic performance testing method comprises the following steps:
the method comprises the following steps: placing a first safety rope 9, a first buffer bag 8 and a safety belt of the falling safety protection system under the condition that the relative humidity is less than 65% for 12 hours, wherein the length of the first safety rope 9 is less than 2 m;
step two: connecting a first buffer bag 8 with a first hanging ring 7 of an impact sensor 6, wearing a safety belt on a first test dummy 10, and connecting two ends of a first safety rope 9 with the first buffer bag 8 and the safety belt worn on the first test dummy 10 respectively;
step three: carrying out a standing posture test, manually connecting a belt buckle on a safety belt with a hook 19 of an electric block 11, starting the electric block 11, lifting a first test dummy 10 to enable the transverse distance between the belt buckle and a first hanging ring 7 of an impact sensor 6 to be less than 0.3m, taking the waist and hip line of the first test dummy 10 as a marking position, longitudinally lifting the waist and hip line of the first test dummy 10 for 1m on the basis that the waist and hip line is flush with the first hanging ring 7 of the impact sensor 6, and measuring by adopting a laser range finder, wherein the indication error of lifting height is less than 2 per thousand;
step four: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a release button of an air cylinder 1902 of test software on a computer, starting timing by the test software, starting an air pump connected with the air cylinder 1902 by a P L C controller, retracting an expansion link of the air cylinder 1902, releasing a first test dummy 10, and after free falling, sending a signal to a P L C controller by an impact sensor 6, sending a signal to the test software on the computer by a P L C controller, and simultaneously stopping timing by the test software, recording and displaying test time and impact force corresponding to the signal sent by the impact sensor 6 so as to generate a falling curve, wherein the abscissa is time, the unit is second, the ordinate is impact force, and the unit is KN;
step six: measuring and recording the slippage marked in the fourth safety belt deviation step and the extension distance of the first buffer bag 8 by using a ruler, and observing and recording whether the safety belt, the first safety rope 9 and the first buffer bag 8 are torn or broken;
step seven: carrying out a reversed posture test, manually connecting a belt buckle on a safety belt with a hook 19 of an electric hoist 11, starting the electric hoist 11, lifting the first test dummy 10 to enable the transverse distance between the first test dummy and a first hanging ring 7 of the impact sensor 6 to be less than 0.3m, inverting the first test dummy 10, and enabling the head part of the first test dummy to be flush with the first hanging ring 7 of the impact sensor 6;
step eight: and repeating the fourth step to the sixth step.
Further, the static performance testing method comprises the following steps:
the method comprises the following steps: placing a second safety rope 15, a second buffer bag 14 and a safety belt of the falling safety protection system at the temperature of 25 +/-1 ℃ and the relative humidity of 60 +/-5% for 36 hours;
step two: connecting a second buffer bag 15 with a second hanging ring 13 of the tension sensor 12, wearing a safety belt on a second testing dummy 16, connecting two ends of a second safety rope 15 with the second buffer bag 15 and the safety belt worn on the second testing dummy 16 respectively, and connecting the safety belt worn on the second testing dummy 16 with a telescopic rod of an oil cylinder 18;
step three: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a starting button of an oil cylinder 18 of test software on a computer, starting an oil pump connected with the oil cylinder 18 by a P L C controller, enabling a telescopic rod of the oil cylinder 18 to retract at a constant speed, wherein the speed is less than 100mm/min, the timing precision is 1%, so that impact on a second buffer bag 14, a second safety rope 15 and a third safety rope 17 is avoided, sending a signal to a P L C controller by a tension sensor 12 in real time, sending a signal to the test software on the computer by a P L C controller, displaying a static tension value corresponding to the signal sent by the tension sensor 12 by the test software, sending a signal to a P L C controller by the test software when a set static tension of 15KN is reached, sending a signal to the oil pump connected with the oil cylinder 18 by the P L C controller, controlling the oil pump to stop automatically, and keeping the static tension of 15KN for 5 min;
step five: and measuring and recording the slippage marked in the safety belt deviation step III and the extension distance of the second buffer bag 14 by using a ruler, observing and recording whether the safety belt, the second safety rope 15 and the second buffer bag 14 are torn or broken, if the safety belt, the second safety rope 15 and the second buffer bag 14 are not torn or broken, ensuring that the safety belt, the second safety rope 15 and the second buffer bag 14 of the falling safety protection system are qualified in product quality, then starting the oil cylinder 18 again, continuously applying the pulling force until one of the safety belt, the second safety rope 15 and the second buffer bag 14 of the falling safety protection system is broken, and displaying and recording the final static pulling force by using test software.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a safety protection system comprehensive properties tester falls which characterized in that: the testing dummy comprises a bottom plate and a top plate, wherein the bottom plate and the top plate are fixedly connected and surround four square stand columns, a first mounting platform and a second mounting platform which are fixedly connected with the four stand columns are sequentially arranged below the top plate, the first mounting platform extends to the bottom of one end outside the four stand columns and is fixedly connected with an impact sensor, a first hanging ring of the impact sensor is connected with a first buffer bag, the first buffer bag is connected with a first safety rope, the first safety rope is connected with a safety belt worn on a first testing dummy, the bottom of the top plate is fixedly connected with an electric hoist, the electric hoist is arranged outside the four stand columns and is positioned on the same side as the impact sensor; the tension sensor is fixedly connected in the middle of the bottom of the second mounting platform, a second hanging ring of the tension sensor is connected with a second buffering bag, the second buffering bag is connected with a second safety rope, the second safety rope is connected with a safety belt worn on a second testing dummy, and the second testing dummy is connected with an oil cylinder fixedly connected to the bottom plate through a third safety rope.
2. The crash safety system integrity tester as recited in claim 1, wherein: the electric hoist comprises a hook, the upper portion of the hook is an arc section, one end of the arc section is fixedly connected with a cylinder, and a telescopic rod of the cylinder corresponds to a jack arranged at the other end of the arc section.
3. The crash safety system integrity tester as recited in claim 1, wherein: and a falling cushion pad is arranged on the bottom plate and corresponds to the position of the first testing dummy.
4. A fall safety system integrity tester according to claim 3, wherein: the falling buffer pad is a rubber material pad.
5. The crash safety system integrity tester as recited in claim 1, wherein: a ladder stand is arranged between the upright posts.
6. The crash safety system integrity tester as recited in claim 1, wherein: the measuring range of the impact sensor is 0-20KN, and the frequency response is more than or equal to 5 kHz; the measuring range of the tension sensor is 0-50KN, and the precision is 1 grade.
7. The crash safety system combination property tester according to claim 2, wherein the impact sensor and the tension sensor are electrically connected to a P L C controller, the P L C controller is connected to a computer in a communication manner, the computer is provided with testing software, and the P L C controller is electrically connected to an air pump connected to the air cylinder and an oil pump connected to the oil cylinder respectively.
8. A method for testing the comprehensive performance of a falling safety protection system is characterized by comprising the following steps: the dynamic performance testing method comprises a dynamic performance testing method and a static performance testing method, wherein the dynamic performance testing method comprises the following steps:
the method comprises the following steps: placing a first safety rope, a first buffer bag and a safety belt of the falling safety protection system under the condition that the relative humidity is less than 65% for 12 hours;
step two: connecting the first buffer bag with a first hanging ring of an impact sensor, wearing a safety belt on a first test dummy body, and connecting two ends of a first safety rope with the first buffer bag and the safety belt worn on the first test dummy body respectively;
step three: carrying out a standing posture test, manually connecting a belt buckle on a safety belt with a hook of an electric hoist, starting the electric hoist, lifting a first test dummy to enable the transverse distance between the first test dummy and a first hanging ring of an impact sensor to be less than 0.3m, taking the waist and hip line of the first test dummy as a marking position, and longitudinally lifting the waist and hip line of the first test dummy by 1m on the basis that the waist and hip line is flush with the first hanging ring of the impact sensor;
step four: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a release button of an air cylinder of test software on a computer, starting timing by the test software, starting an air pump connected with the air cylinder by a P L C controller, retracting an expansion link of the air cylinder, releasing a first test dummy, performing free fall, sending a signal to a P L C controller by an impact sensor, sending a signal to the test software on the computer by a P L C controller, stopping timing by the test software, recording and displaying test time and impact force corresponding to the signal sent by the impact sensor so as to generate a crash and drop curve, wherein the abscissa is time, the unit is second, and the ordinate is impact force, the unit is KN;
step six: measuring and recording the slippage marked in the safety belt deviation step IV and the extension distance of the first buffer bag, and observing and recording whether the safety belt, the first safety rope and the first buffer bag are torn or broken;
step seven: carrying out a reversed posture test, manually connecting a belt buckle on the safety belt with a hook of an electric hoist, starting the electric hoist, lifting the first test dummy to enable the transverse distance between the first test dummy and a first hanging ring of the impact sensor to be less than 0.3m, standing the first test dummy upside down, and enabling the head to be flush with the first hanging ring of the impact sensor;
step eight: and repeating the fourth step to the sixth step.
9. A method of testing the integrity of a fall safety system according to claim 8, wherein: the static performance testing method comprises the following steps:
the method comprises the following steps: placing a second safety rope, a second buffer bag and a safety belt of the falling safety protection system at the temperature of 25 +/-1 ℃ and the relative humidity of 60 +/-5% for 36 hours;
step two: connecting a second buffer bag with a second hanging ring of the tension sensor, wearing a safety belt on a second test dummy body, connecting two ends of a second safety rope with the second buffer bag and the safety belt worn on the second test dummy body respectively, and connecting the safety belt worn on the second test dummy body with a telescopic rod of an oil cylinder;
step three: marking at the buckle and buckle frame through the seat belt adjustment buckle;
clicking a starting button of an oil cylinder of test software on a computer, starting an oil pump connected with the oil cylinder by a P L C controller, enabling a telescopic rod of the oil cylinder to retract at a constant speed of less than 100mm/min, sending a signal to a P L C controller by a tension sensor in real time, sending a signal to the test software on the computer by a P L C controller, displaying a static tension value corresponding to the signal sent by the tension sensor by the test software, sending a signal to the P L C controller when a set static tension of 15KN is achieved, sending a signal to the oil pump connected with the oil cylinder by the P L C controller, controlling the oil pump to stop automatically, and keeping the static tension of 15KN for 5 min;
step five: measuring and recording slippage marked in the safety belt deviation step III and the extension distance of the second buffer bag, observing and recording whether the safety belt, the second safety rope and the second buffer bag are torn or broken, if not, ensuring that the safety belt, the second safety rope and the second buffer bag of the falling safety protection system are qualified in product quality, then starting the oil cylinder again, continuously applying pulling force until one of the safety belt, the second safety rope and the second buffer bag of the falling safety protection system is broken, and displaying and recording final static pulling force by testing software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323782.8A CN111442893A (en) | 2020-04-22 | 2020-04-22 | Comprehensive performance tester for falling safety protection system and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323782.8A CN111442893A (en) | 2020-04-22 | 2020-04-22 | Comprehensive performance tester for falling safety protection system and testing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111442893A true CN111442893A (en) | 2020-07-24 |
Family
ID=71656189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010323782.8A Pending CN111442893A (en) | 2020-04-22 | 2020-04-22 | Comprehensive performance tester for falling safety protection system and testing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111442893A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185233A (en) * | 2020-10-30 | 2021-01-05 | 浙江舟山海洋输电研究院有限公司 | Submarine cable burial depth evaluation device and evaluation method thereof |
| CN112444335A (en) * | 2020-10-15 | 2021-03-05 | 浙江工业大学 | Wireless dynamic force value testing device for falling suspension safety belt |
| CN115876453A (en) * | 2023-03-02 | 2023-03-31 | 中铁电气化铁路运营管理有限公司 | Safety belt test dynamic and static strength test system and test method |
-
2020
- 2020-04-22 CN CN202010323782.8A patent/CN111442893A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444335A (en) * | 2020-10-15 | 2021-03-05 | 浙江工业大学 | Wireless dynamic force value testing device for falling suspension safety belt |
| CN112185233A (en) * | 2020-10-30 | 2021-01-05 | 浙江舟山海洋输电研究院有限公司 | Submarine cable burial depth evaluation device and evaluation method thereof |
| CN115876453A (en) * | 2023-03-02 | 2023-03-31 | 中铁电气化铁路运营管理有限公司 | Safety belt test dynamic and static strength test system and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111442893A (en) | Comprehensive performance tester for falling safety protection system and testing method thereof | |
| CN206157570U (en) | Take detecting system's light -duty carbon fiber to climb all alone robot | |
| CN106643631A (en) | High-supported formwork deformation monitoring and early warning method | |
| CN111044253A (en) | Quick loading method for six-component rod type balance | |
| CN212206538U (en) | Falling safety protection system comprehensive performance tester | |
| CN204924607U (en) | Test device is markd to dummy's pleural region | |
| CN112504602A (en) | Rope belt impact tester and testing method thereof | |
| CN204924608U (en) | Dummy's chest calibration device | |
| CN213658214U (en) | Safety belt developments test tower that falls | |
| CN211527797U (en) | Safety belt comprehensive test frame | |
| CN111697490A (en) | Electric power iron tower wiring device based on Internet of things equipment and use method | |
| CN212206537U (en) | Potential energy absorber impact force tester | |
| CN202916063U (en) | Multifunctional impact detection apparatus for safety belt | |
| CN214040567U (en) | Rope belt impact tester | |
| CN111442894A (en) | Potential energy absorber impact force tester and testing method thereof | |
| CN214472681U (en) | Detection machine tool for tensile bonding strength of bonding mortar | |
| CN212458851U (en) | Multifunctional test tool for electric power safety tool | |
| CN113063577B (en) | Spraying pipe rack with pretightening force and using method | |
| CN116878846A (en) | Anti-falling test device and test method for power aerial operation | |
| CN212506455U (en) | Testing device for high strain method detection of foundation pile | |
| CN210735898U (en) | On-site test equipment for running and braking performance of construction elevator | |
| CN107894229A (en) | A kind of application method of extension type laser plumb bob | |
| CN209296446U (en) | A kind of multi-functional mechanics machine | |
| CN112903483A (en) | Test device and method for simulating collapse and damage of lower beam plate structure under explosive load | |
| CN220288994U (en) | Dummy knee calibration equipment for automobile crash test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |