CN113820120B - Falling protector testing arrangement - Google Patents

Falling protector testing arrangement Download PDF

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Publication number
CN113820120B
CN113820120B CN202111381711.4A CN202111381711A CN113820120B CN 113820120 B CN113820120 B CN 113820120B CN 202111381711 A CN202111381711 A CN 202111381711A CN 113820120 B CN113820120 B CN 113820120B
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CN
China
Prior art keywords
fixing
falling protector
ring
fixedly connected
falling
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CN202111381711.4A
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CN113820120A (en
Inventor
郝宇
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Zaozhuang Hi Tech Zone Lizheng Installation Engineering Co ltd
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Zaozhuang Hi Tech Zone Lizheng Installation Engineering Co ltd
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Publication of CN113820120A publication Critical patent/CN113820120A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Abstract

The invention belongs to the field of falling protectors, and particularly relates to a falling protector testing device which comprises a bottom plate, wherein a supporting plate is arranged at the top of the bottom plate, the top of the bottom plate is fixedly connected with the bottom of the supporting plate, a fixing device is arranged at the top of the supporting plate, the top of the supporting plate is in contact with the bottom of the fixing device, a fastening nut is arranged at the top of the fixing device, the top of the fixing device is in contact with the bottom of the fastening nut, a falling protector is arranged at the bottom of the fixing device, the top of the falling protector is movably connected with the bottom of the fixing device, an extending device is arranged at the bottom of the falling protector, the top of the extending device is movably connected with the bottom of the falling protector, and a movable device is arranged right below the extending device, so that the defects of the prior art are overcome, the problem that the labor intensity of operators is increased when the traditional falling protector testing device is used for detecting falling protectors is solved, and the detection result is inaccurate.

Description

Falling protector testing arrangement
Technical Field
The invention belongs to the field of falling protectors, and particularly relates to a falling protector testing device.
Background
The falling protector is also called a speed difference device, can quickly brake and lock falling objects within a limited distance, is suitable for hoisting goods, protects the life safety of ground operators and prevents the objects of the hoisted workpieces from being damaged. The falling protector utilizes the falling speed difference of an object to carry out automatic control, and is used in a high hanging mode and a low hanging mode. When the TXS2 series are used, the nylon lifting rope only needs to cross over a firm blunt-edged structure above, the iron on the nylon rope is hooked on the n-shaped ring, and the iron on the steel wire rope is hooked in the semicircular ring on the safety belt.
The safety catcher has the advantages that the service radius is within, and the suspension point does not need to be replaced. When in normal use, the safety rope can freely stretch along with the human body. Under the action of the mechanism in the machine, the machine is in a semi-tense state, so that the operator has no traction feeling. In case of the falling due to the loss of feet, the pulling speed of the safety rope is obviously accelerated, and the locking system in the device automatically locks. The pulling distance of the safety rope is not more than 0.2 m, the impact force is less than 2949N, and no harm is caused to the disabled. And the work is automatically recovered after the load is relieved. The safety rope can be automatically recovered into the device after the work is finished, and the carrying is convenient.
The falling protector testing device is used for solving the problems that the life safety of operators is influenced, the falling protector is required to be subjected to safety detection frequently, the existing falling protector testing device is required to be installed and screened manually, the labor intensity of the operators is increased, the testing result is inaccurate, and the falling protector testing device is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a falling protector testing device, which solves the problems that the labor intensity of operators is increased and the detection result is inaccurate when the traditional falling protector testing device is used for detecting.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a falling protector testing device, which comprises a bottom plate, wherein a supporting plate is arranged at the top of the bottom plate, the top of the bottom plate is fixedly connected with the bottom of the supporting plate, a fixing device is arranged at the top of the supporting plate, the using effect of the falling protector testing device can be improved by arranging the fixing device, the top of the supporting plate is contacted with the bottom of the fixing device, a fastening nut is arranged at the top of the fixing device, the top of the fixing device is contacted with the bottom of the fastening nut, a falling protector is arranged at the bottom of the fixing device, the top of the falling protector is movably connected with the bottom of the fixing device, an extending device is arranged at the bottom of the falling protector, the using effect of the falling protector testing device can be improved by arranging the extending device, the top of the extending device is movably connected with the bottom of the falling protector, and a movable device is arranged under the extending device, through setting up the head catcher, can simulate this safety hook testing arrangement's the operating personnel self gravity and the falling speed when the test, the back of head catcher is provided with the motor, through adjusting the rise height of lift post, can suitably simulate the service environment of safety hook, and then make the safety hook can furthest reach the service standard in the testing process, and the front fixed connection of the back of head and motor, through lift post and fixing device fixed connection, and then make fixing device's height by lift post control regulation, and then make the safety hook of fixing device bottom fixed mounting can reach corresponding height, and then can make this safety hook testing arrangement can simulate the speed and the height that can reach when operating personnel fell down when testing, improved this safety hook testing arrangement's test accuracy.
Preferably, the lifting column is arranged in the supporting plate, the testing standard of the falling protector testing device can be improved, and the inner wall of the supporting plate is movably connected with the outer surface of the lifting column.
Preferably, the fixing device comprises a fixing plate, the safety hook can be fixed by arranging the fixing device, the top of the safety hook can be movably connected through a fixing ring arranged in the fixing device, the bottom of the fixing plate is provided with a fixing column, the safety hook can be ensured to reach the optimal simulation state in the process of testing through the movable connection between the fixing ring and the outer ring, the test result of the safety hook cannot be influenced due to the fact that the connecting part of the safety hook is different from the actual use state, the bottom of the fixing plate is fixedly connected with the top of the fixing column, the bottom of the fixing column is provided with the outer ring, the safety hook can be connected with the fixing ring through a through hole at the bottom of the outer ring when being connected through the outer ring by arranging the outer ring, the safety hook is limited, the stability of the safety hook in the process of testing is ensured, and the bottom of the fixing column is fixedly connected with the top of the outer ring, the inside of outer loop is provided with solid fixed ring, can restrict the position at safety hook top through setting up the inside outer loop of fixing device, and then make the safety hook be perpendicular atress bottom the safety hook when receiving the pulling force, and then avoid causing exerted pulling force to lead to the effort dispersion because the angle problem, lead to the test result inaccurate, and can carry out swing joint to solid fixed ring through the outer loop, make solid fixed ring can rotate at the outer ring inside, and then make the safety hook can the at utmost simulate operating personnel and use the condition of safety hook at the high altitude, and the inner wall of outer loop and solid fixed ring's top swing joint.
Preferably, the inner wall of the fixing device is fixedly connected with the outer surface of the lifting column.
Preferably, the extension device comprises an extension rod, the self gravity of an operator needing to be simulated during testing of the falling protector can be converted into tension by the extension device, the top of the extension rod is provided with a connecting ring, the movable device arranged at the bottom can provide corresponding tension and speed, so that the accuracy of the falling protector can be ensured during testing, the top of the extension rod is fixedly connected with the bottom of the connecting ring, the contraction ring arranged at the top of the extension device is matched with the connecting ring for use, the extension device can be movably connected with the bottom of the falling protector, the extension rod is designed to be bendable, so that the recovery space of the movable device can be reduced during rotary recovery of the extension device, the contraction ring is arranged inside the connecting ring, and the problem that the test result is inaccurate when the movable device is pulled back to the extension device due to the fact that the extension device is not provided with any elastic force is avoided, and the inner wall of the connecting ring is movably connected with the outer surface of the contraction ring.
Preferably, the number of the connecting rings is two, and the bottom of the connecting ring is fixedly connected with the two ends of the extension rod.
Preferably, the movable device comprises a positioning column, the recovery device arranged in the movable device can ensure that the extension device is recovered in a rotating manner, so that the extension device exerts certain tensile force on the falling protector and the self rotating speed of the recovery device is ensured, the top of the positioning column is provided with a limiting cylinder, the top of the positioning column is fixedly connected with the bottom of the limiting cylinder, the top of the limiting cylinder is symmetrically provided with clamping plates, and the top of the limiting cylinder is fixedly connected with the bottom of the clamping plates, so that the movable device can simulate the self gravity of an operator and the falling speed of an accident in the test process through the motor driving the recovery device, the test effect of the falling protector testing device is ensured, the recovery device is arranged at the bottom of the clamping plates, and the stability of the falling protector testing device in the test process can be improved through the recovery device, and the bottom of the clamping plate is contacted with the two ends of the recovery device.
Preferably, the recovery device comprises a recovery disc, the bottom of the extension device can be movably connected through a positioning rod arranged at the top of the recovery device, the recovery disc is driven by a motor to rotate, guide posts are arranged at two ends of the recovery disc, the motor can judge the falling distance of the falling protector under the speed by setting the speed for multiple times, two ends of the recovery disc are fixedly connected with the inner walls of the guide posts, friction cylinders are symmetrically arranged inside the recovery disc, the friction resistance between the positioning rod and the recovery disc can be increased through the friction cylinders symmetrically arranged at two ends of the positioning rod, the positioning rod is stably placed inside the recovery disc, the positioning rod is movably connected with the bottom of the extension device, the falling protector can be applied with a tensile force under the condition of ensuring a certain speed, the rapid falling condition of an operator is simulated, and the outer surface of the friction cylinder is contacted with the inner walls of the recovery disc, the inside of a friction section of thick bamboo is provided with the locating lever, the both ends of locating lever contact with the inner wall of a friction section of thick bamboo.
Preferably, the number of the friction cylinders is two, and the inner diameter of each friction cylinder is consistent with the outer diameter of the positioning rod.
The invention has the following beneficial effects:
1. according to the falling protector testing device, the lifting column is arranged, the testing standard of the falling protector testing device can be improved, the lifting height of the lifting column is adjusted, the using environment of the falling protector can be simulated appropriately, the falling protector can reach the using standard to the maximum extent in the testing process, the lifting column is fixedly connected with the fixing device, the height of the fixing device is controlled and adjusted by the lifting column, the falling protector fixedly arranged at the bottom of the fixing device can reach the corresponding height, the speed and the height which can be reached when an operator falls from a building can be simulated by the falling protector testing device during testing, and the testing accuracy of the falling protector testing device is improved.
2. The falling protector testing device has the advantages that the fixing device is arranged, the using effect of the falling protector testing device can be improved, the falling protector can be fixed through the fixing device, the top of the falling protector can be movably connected through the fixing ring arranged in the fixing device, the falling protector can be guaranteed to reach the optimal simulation state during testing through the fixing ring and the outer ring, the testing result cannot be influenced due to the fact that the connecting part of the falling protector is different from the actual using state, the falling protector can be connected through the through hole in the bottom of the outer ring when being connected with the fixing ring through the arrangement of the outer ring, the falling protector is limited, and the stability of the falling protector during testing is guaranteed.
3. The invention can improve the use effect of the falling protector testing device by arranging the extension device, the self gravity of an operator needing to be simulated during the test of the falling protector can be converted into the pulling force by arranging the extension device, the corresponding pulling force and speed can be provided by the movable device arranged at the bottom, so that the accuracy of the safety hook can be ensured during testing, and the contraction ring arranged at the top of the extension device is matched with the connecting ring for use, the extension device can be movably connected with the bottom of the falling protector, and the extension rod is designed into a bendable material, so that the recovery space can be reduced when the movable device rotates and recovers the extension device, and because the extension device does not have any elasticity, the movable device can not cause inaccurate test results due to the problem of the material of the extension device when the movable device pulls back the extension device.
4. The falling protector testing device is provided with the movable device, so that the gravity and the falling speed of an operator can be simulated during testing of the falling protector testing device, the recovery device arranged in the movable device can ensure that the extension device can be recovered in a rotating mode, further, the extension device applies certain tensile force to the falling protector, the self rotating speed of the recovery device is ensured, further, the movable device can simulate the gravity of the operator and the falling speed of the falling protector during accidents during testing through the motor driving the recovery device, and the testing effect of the falling protector testing device is ensured.
5. The falling protector testing device is provided with the recovery device, so that the stability of the falling protector testing device during testing can be improved, the bottom of the extension device can be movably connected through the positioning rod arranged at the top of the recovery device, the recovery disc is driven to rotate through the motor, the falling distance of the falling protector under the high speed can be judged by the motor through setting the speed for multiple times, the friction resistance between the positioning rod and the recovery disc can be increased through the friction cylinders symmetrically arranged at the two ends of the positioning rod, the positioning rod is placed stably in the recovery disc, the pulling force can be applied to the falling protector under the condition of ensuring a certain speed through the movable connection of the positioning rod and the bottom of the extension device, and the rapid falling condition of an operator can be simulated.
6. The anti-falling device comprises a fixed ring, an outer ring, a falling protector, a fixed ring, a movable connection device and a control device, wherein the fixed ring is arranged on the outer ring, the fixed ring is movably connected with the fixed ring, the outer ring is arranged in the fixed device, the fixed ring is movably connected with the fixed ring, and the fixed ring is movably connected with the fixed ring through the movable connection device.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the lifting column of the present invention;
FIG. 3 is a schematic view of the construction of the fastening device of the present invention;
FIG. 4 is a schematic view of the extension device of the present invention;
FIG. 5 is a schematic view of the construction of the mobile device of the present invention;
FIG. 6 is a schematic view showing the construction of the recycling apparatus of the present invention;
in the figure: 1. a fixing device; 2. fastening a nut; 3. a safety catch; 4. an extension device; 5. a support plate; 6. a motor; 7. a base plate; 8. a mobile device; 9. a lifting column; 11. a fixing plate; 12. fixing a column; 13. an outer ring; 14. a fixing ring; 41. an extension rod; 42. a shrink ring; 43. a connecting ring; 81. a clamping and connecting plate; 82. a recovery device; 83. a limiting cylinder; 84. a positioning column; 821. a friction cylinder; 822. positioning a rod; 823. a recovery tray; 824. and a guide post.
Detailed Description
As shown in figures 1-6, the safety catch testing device comprises a bottom plate 7, a supporting plate 5 is arranged at the top of the bottom plate 7, the top of the bottom plate 7 is fixedly connected with the bottom of the supporting plate 5, a fixing device 1 is arranged at the top of the supporting plate 5, the use effect of the safety catch testing device can be improved by arranging the fixing device 1, the top of the supporting plate 5 is contacted with the bottom of the fixing device 1, a fastening nut 2 is arranged at the top of the fixing device 1, the top of the fixing device 1 is contacted with the bottom of the fastening nut 2, a safety catch 3 is arranged at the bottom of the fixing device 1, the top of the safety catch 3 is movably connected with the bottom of the fixing device 1, an extending device 4 is arranged at the bottom of the safety catch 3, the use effect of the safety catch testing device can be improved by arranging the extending device 4, the top of the extending device 4 is movably connected with the bottom of the safety catch 3, the movable device 8 is arranged under the extension device 4, the movable device 8 is arranged, the gravity and the falling speed of an operator can be simulated when the falling protector testing device is used for testing, the motor 6 is arranged on the back of the movable device 8, the falling protector testing device is fixedly connected with the fixing device 1 through the lifting column 9, the height of the fixing device 1 is controlled and adjusted by the lifting column 9, the falling protector 3 fixedly installed at the bottom of the fixing device 1 can reach the corresponding height, the back of the movable device 8 is fixedly connected with the front of the motor 6, the speed and the height which can be reached when the falling protector testing device is used for simulating the falling of the operator when the falling protector testing device is used for testing, and the testing accuracy of the falling protector testing device is improved.
The lifting column 9 is arranged in the supporting plate 5, the testing standard of the falling protector testing device can be improved by arranging the lifting column 9, the inner wall of the supporting plate 5 is movably connected with the outer surface of the lifting column 9, the using environment of the falling protector can be simulated in a proper way by adjusting the lifting height of the lifting column 9, and then the falling protector can reach the using standard to the maximum extent in the testing process.
The fixing device 1 comprises a fixing plate 11, the falling protector 3 can be fixed by arranging the fixing device 1, the top of the falling protector 3 can be movably connected through a fixing ring 14 arranged in the fixing device 1, a fixing column 12 is arranged at the bottom of the fixing plate 11, the falling protector 3 can be ensured to reach the optimal simulation state during testing through the movable connection between the fixing ring 14 and an outer ring 13, the bottom of the fixing plate 11 is fixedly connected with the top of the fixing column 12, the testing result of the falling protector 3 cannot be influenced due to the fact that the connecting part of the falling protector 3 is different from the actual using state, the outer ring 13 is arranged at the bottom of the fixing column 12, the position of the top of the falling protector 3 can be limited through the outer ring 13 arranged in the fixing device 1, and therefore the bottom of the falling protector 3 is vertically stressed when the falling protector 3 is under the tensile force, and further the situation that the applied tensile force is dispersed due to the angle problem is avoided, the test result is inaccurate, the fixed ring 14 can be movably connected through the outer ring 13, the fixed ring 14 can rotate inside the outer ring 13, the falling protector 3 can furthest simulate the condition that an operator uses the falling protector 3 at high altitude, the bottom of the fixed column 12 is fixedly connected with the top of the outer ring 13, the falling protector 3 can be connected with the fixed ring 14 through the through hole at the bottom of the outer ring 13 when being connected through the outer ring 13, the falling protector 3 is limited, the stability of the falling protector 3 during testing is guaranteed, the fixed ring 14 is arranged inside the outer ring 13, and the inner wall of the outer ring 13 is movably connected with the top of the fixed ring 14.
The inner wall of the fixing device 1 is fixedly connected with the outer surface of the lifting column 9.
The extension device 4 comprises an extension rod 41, the self gravity of an operator needing to be simulated when the falling protector 3 is tested can be converted into tension by arranging the extension device 4, the top of the extension rod 41 is provided with a connecting ring 43, the movable device 8 arranged at the bottom can provide corresponding tension and speed, so that the falling protector 3 can ensure the accuracy when the falling protector is tested, the top of the extension rod 41 is fixedly connected with the bottom of the connecting ring 43, the contraction ring 42 arranged at the top of the extension device 4 is matched with the connecting ring 43 for use, the extension device 4 can be movably connected with the bottom of the falling protector 3, the contraction ring 42 is arranged inside the connecting ring 43, the extension rod 41 is designed to be a bendable material, so that the recovery space can be reduced when the movable device 8 rotates and recovers the extension device 4, and the extension device 4 does not have any elasticity, therefore, when the movable device 8 pulls back the extension device 4, the test result is not inaccurate due to the material problem of the extension device 4, and the inner wall of the connecting ring 43 is movably connected with the outer surface of the contraction ring 42.
The number of the connecting rings 43 is two, and the bottom of the connecting rings 43 is fixedly connected with the two ends of the extension rod 41.
The movable device 8 comprises a positioning column 84, the recovery device 82 arranged in the movable device 8 can ensure that the extension device 4 can be recovered in a rotating manner, and further the extension device 4 can apply a certain pulling force to the falling protector 3, a limiting cylinder 83 is arranged at the top of the positioning column 84, the top of the positioning column 84 is fixedly connected with the bottom of the limiting cylinder 83, clamping plates 81 are symmetrically arranged at the top of the limiting cylinder 83, the top of the limiting cylinder 83 is fixedly connected with the bottom of the clamping plates 81, the self rotating speed of the recovery device 82 is ensured, so that the movable device 8 can drive the recovery device 82 through a motor 6 to simulate the self gravity of an operator and the falling speed of the operator in the test process when an accident occurs, the test effect of the falling protector testing device is ensured, the recovery device 82 is arranged at the bottom of the clamping plates 81, and the stability of the falling protector testing device can be improved by arranging the recovery device 82, and the bottom of the chucking plate 81 is in contact with both ends of the recovery device 82.
The recovery device 82 comprises a recovery disc 823, the bottom of the extension device 4 can be movably connected through a positioning rod 822 arranged at the top of the recovery device 82, and then the recovery disc 823 is driven to rotate by a motor 6, guide posts 824 are arranged at two ends of the recovery disc 823, so that the motor 6 can judge the falling distance of the falling protector 3 under the high speed by setting a multiple speed, two ends of the recovery disc 823 are fixedly connected with the inner walls of the guide posts 824, the friction resistance between the positioning rod 822 and the recovery disc 823 can be increased through friction cylinders 821 symmetrically arranged at two ends of the positioning rod 822, the positioning rod 822 can be stably placed in the recovery disc 823, friction cylinders 821 are symmetrically arranged in the recovery disc 823, the positioning rod 822 can be movably connected with the bottom of the extension device 4, the pulling force can be applied to the falling protector 3 under the condition of ensuring a certain speed, and the rapid falling condition of an operator can be simulated, the outer surface of the friction cylinder 821 is in contact with the inner wall of the recovery disk 823, the positioning rod 822 is provided inside the friction cylinder 821, and both ends of the positioning rod 822 are in contact with the inner wall of the friction cylinder 821.
The number of the friction cylinders 821 is two, and the inner diameter of the friction cylinder 821 is kept identical to the outer diameter of the positioning rod 822.
The specific working process is as follows:
when the falling protector testing device works, the falling protector 3 is fixed in advance through the fixing device 1 arranged at the top, then the bottom of the falling protector 3 is fixed through the top of the extension device 4, then a tester fixedly connects the bottom of the extension device 4 through the recovery device 82 arranged in the movable device 8, then the rotating speed and the tension of the tester are set through the motor 6 to simulate the sudden falling state of the worker in actual use, the motor 6 drives the recovery device 82 in the movable device 8 to rotate, so that the extension device 4 is wound on the surface of the recovery device 82 under the tension, and then the tester observes whether the tensile length of the falling protector 3 meets the standard or not, when different falling protectors are tested, the sudden falling states at different heights can be simulated through the lifting column 9, and when the lifting column 9 works in cooperation, the adaptive extension device 4 needs to be replaced, so that the extension device 4 can always transmit the tension generated by the recovery device 82 to the bottom of the falling protector 3, then the testing work is completed, the falling protector testing device movably connects the top of the falling protector 3 through the fixing device 1 arranged at the top of the supporting plate 5, the bottom of the falling protector 3 is fixedly connected through the top of the extending device 4, the upper end and the lower end of the falling protector 3 are fixed, the bottom of the extending device 4 is fixed with the recovering device 82 arranged in the movable device 8, the extending device 4 which is matched with the extending device 4 needs to be replaced when the lifting column 9 is matched for work, the bottom of the extending device 4 can be movably connected with the recovering device 82, the recovering device 82 is driven to rotate through the setting motor 6, the extending rod 41 arranged on the extending device 4 is wound on the outer surface of the recovering device 82, the pulling force received by the extending device 4 during the recovering process simulates the rapid descending state of personnel during the actual use, the bottom of the extending device 4 is sleeved on the surface of the positioning rod 822, so that the movable device 82 is driven by the motor 6, the extension device 4 is wound by the pulling force from the positioning rod 822, and after the top of the falling protector 3 is movably connected with the fixing ring 14 arranged inside the fixing device 1, the lifting column 9 arranged inside the support plate 5 drives the fixing device 1 to be lifted, the connecting ring 43 arranged at the top of the extension device 4 is used for movably connecting the bottom of the falling protector 3, and further movably connecting the bottom of the extension device 4 with the positioning rod 822 arranged inside the recovery device 82, the contraction ring 42 arranged at the bottom of the extension device 4 is matched with the connecting ring 42, the bottom of the extension device 4 is fixedly connected with the movable device 82 arranged inside the movable device 8, and is sleeved with the positioning rod 822 inside the movable device 82 through the connecting ring 42, so that the extension device 4 is subjected to the pulling force from the movable device 8, and further the falling protector 3 is simulated by setting the rotating speed of the motor 6 and the pulling force to rapidly descend when the actual operator uses the falling protector 3 The performance of the falling protector 3 is detected by observing the falling height of the falling protector 3.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (4)

1. The utility model provides a safety hook testing arrangement, includes bottom plate (7), its characterized in that: the top of the bottom plate (7) is provided with a support plate (5), the top of the bottom plate (7) is fixedly connected with the bottom of the support plate (5), the top of the support plate (5) is provided with a fixing device (1), the top of the support plate (5) is contacted with the bottom of the fixing device (1), the top of the fixing device (1) is provided with a fastening nut (2), the top of the fixing device (1) is contacted with the bottom of the fastening nut (2), the bottom of the fixing device (1) is provided with a falling protector (3), the top of the falling protector (3) is movably connected with the bottom of the fixing device (1), the bottom of the falling protector (3) is provided with an extension device (4), the top of the extension device (4) is movably connected with the bottom of the falling protector (3), a movable device (8) is arranged right below the extension device (4), and the back of the movable device (8) is provided with a motor (6), the back surface of the movable device (8) is fixedly connected with the front surface of the motor (6);
the extension device (4) comprises an extension rod (41), a connecting ring (43) is arranged at the top of the extension rod (41), the top of the extension rod (41) is fixedly connected with the bottom of the connecting ring (43), a contraction ring (42) is arranged inside the connecting ring (43), and the inner wall of the connecting ring (43) is movably connected with the outer surface of the contraction ring (42); a lifting column (9) is arranged inside the supporting plate (5), and the inner wall of the supporting plate (5) is movably connected with the outer surface of the lifting column (9); the fixing device (1) comprises a fixing plate (11), wherein a fixing column (12) is arranged at the bottom of the fixing plate (11), the bottom of the fixing plate (11) is fixedly connected with the top of the fixing column (12), an outer ring (13) is arranged at the bottom of the fixing column (12), the bottom of the fixing column (12) is fixedly connected with the top of the outer ring (13), a fixing ring (14) is arranged inside the outer ring (13), and the inner wall of the outer ring (13) is movably connected with the top of the fixing ring (14); the movable device (8) comprises a positioning column (84), a limiting cylinder (83) is arranged at the top of the positioning column (84), the top of the positioning column (84) is fixedly connected with the bottom of the limiting cylinder (83), clamping plates (81) are symmetrically arranged at the top of the limiting cylinder (83), the top of the limiting cylinder (83) is fixedly connected with the bottom of the clamping plates (81), a recovery device (82) is arranged at the bottom of the clamping plates (81), and the bottom of the clamping plates (81) is in contact with two ends of the recovery device (82); the recycling device (82) comprises a recycling disc (823), guide posts (824) are arranged at two ends of the recycling disc (823), two ends of the recycling disc (823) are fixedly connected with the inner walls of the guide posts (824), friction cylinders (821) are symmetrically arranged inside the recycling disc (823), the outer surfaces of the friction cylinders (821) are in contact with the inner walls of the recycling disc (823), positioning rods (822) are arranged inside the friction cylinders (821), and two ends of the positioning rods (822) are in contact with the inner walls of the friction cylinders (821).
2. The fall arrester testing device according to claim 1, characterized in that: the inner wall of the fixing device (1) is fixedly connected with the outer surface of the lifting column (9).
3. The fall arrester testing device according to claim 1, characterized in that: the number of the connecting rings (43) is two, and the bottoms of the connecting rings (43) are fixedly connected with the two ends of the extension rod (41).
4. The fall arrester testing device according to claim 1, characterized in that: the number of the friction cylinders (821) is two, and the inner diameter of the friction cylinder (821) is consistent with the outer diameter of the positioning rod (822).
CN202111381711.4A 2021-11-22 2021-11-22 Falling protector testing arrangement Active CN113820120B (en)

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Application Number Priority Date Filing Date Title
CN202111381711.4A CN113820120B (en) 2021-11-22 2021-11-22 Falling protector testing arrangement

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Application Number Priority Date Filing Date Title
CN202111381711.4A CN113820120B (en) 2021-11-22 2021-11-22 Falling protector testing arrangement

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CN113820120A CN113820120A (en) 2021-12-21
CN113820120B true CN113820120B (en) 2022-02-22

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU595651A1 (en) * 1976-05-24 1978-02-28 Предприятие П/Я Р-6896 Apparatus for testing lift catchers
EP0621223A2 (en) * 1993-04-23 1994-10-26 SOILMEC S.p.A. Anti-fall safety device
CN101216378A (en) * 2007-12-27 2008-07-09 上海市建筑科学研究院(集团)有限公司 Gear type construction hoist falling-proof safety device detection and experimental device
CN102297762A (en) * 2011-07-06 2011-12-28 浙江华电器材检测研究所 Speed-different type safety catcher self-locking reliability performance test machine
CN108423556A (en) * 2018-04-24 2018-08-21 武汉盛世金安安全科技有限公司 Catching device braking distance measuring device
WO2019149539A1 (en) * 2018-02-02 2019-08-08 Inventio Ag Testing a speed limiter
CN211855812U (en) * 2020-04-23 2020-11-03 广东煜祺检测股份有限公司 Falling protector testing device
CN113324750A (en) * 2021-07-01 2021-08-31 安徽翔誉千秋建设集团有限公司 Detection device for preventing glass curtain wall from falling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3339229A1 (en) * 2016-12-22 2018-06-27 Aip Aps Fall-arrest device test system and method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU595651A1 (en) * 1976-05-24 1978-02-28 Предприятие П/Я Р-6896 Apparatus for testing lift catchers
EP0621223A2 (en) * 1993-04-23 1994-10-26 SOILMEC S.p.A. Anti-fall safety device
CN101216378A (en) * 2007-12-27 2008-07-09 上海市建筑科学研究院(集团)有限公司 Gear type construction hoist falling-proof safety device detection and experimental device
CN102297762A (en) * 2011-07-06 2011-12-28 浙江华电器材检测研究所 Speed-different type safety catcher self-locking reliability performance test machine
WO2019149539A1 (en) * 2018-02-02 2019-08-08 Inventio Ag Testing a speed limiter
CN108423556A (en) * 2018-04-24 2018-08-21 武汉盛世金安安全科技有限公司 Catching device braking distance measuring device
CN211855812U (en) * 2020-04-23 2020-11-03 广东煜祺检测股份有限公司 Falling protector testing device
CN113324750A (en) * 2021-07-01 2021-08-31 安徽翔誉千秋建设集团有限公司 Detection device for preventing glass curtain wall from falling

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
防坠器现场试验及其安全性能评价;任中华 等;《煤矿机械》;20070615;第28卷(第6期);全文 *

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