Falling protection hanging point test device

Abstract

The utility model belongs to the technical field of live working tool detection, and particularly relates to a falling protection hanging point test device, which comprises a frame, a ladder and a platform, and is characterized in that the interior of the frame is divided into an upper bracket mounting area and a lower hanging area by a platform area; an open hole is formed in the middle of the platform; one end of a steel wire rope bypasses the fixed pulley I and the fixed pulley II and is wound on a manual spool on the outer side of the frame, the other end of the steel wire rope is connected with a standard weight, the standard weight is also connected with a hanging point of the three-legged bracket through a test rope, the steel wire rope is provided with an electromagnetic release device, and the test rope is provided with a tension sensor; the test rope has a relaxation length of 1 meter before an impact test. The beneficial effects of the utility model are that the three-legged support can be prevented from bursting due to overload in the testing process, and the risk of personnel injury caused by fragment flying out can be avoided to the greatest extent; an operator can automatically complete the whole test process only through remote operation, the labor intensity is low, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to live working tool detection technical field, especially relate to a falling protection hanging point test device. BACKGROUND

[0002] Transmission line generally adopts sheep horn tower, wine cup type tower, dry character type tower as support. When live working is carried out on these types of iron tower, the working personnel is usually near the insulator string hanging point, and the tower material around the working personnel in these positions is relatively short, and the height is only to the knee part. The safety belt must be hung high and used low in the safety regulations, and when live working is carried out on these tower types, the safety belt cannot be hung high and used low. Therefore, when the human body falls due to accidental stepping empty in live working, even if the safety belt protection does not fall from a great height, the working personnel will also cause discharge due to too many short circuits of insulation distance, causing personnel casualties and equipment shutdown. Therefore, a support needs to be installed near the insulator hanging point of this type of iron tower to provide a hanging point for the high hanging and low use of the safety belt, so that the high hanging and low use of the safety belt can be realized in the operation, thereby eliminating such risks.

[0003] This installation support is realized by a tripod support, and therefore the falling protection performance of the tripod support needs to be tested periodically to ensure that it always has the falling protection function.

[0004] The Chinese utility model patent with application number 201420211047.8 discloses a personal protective tool falling / impact test device, which is used for falling / impact test of protective tools worn on cast iron simulation human bodies. It comprises a test rack, a speed difference type automatic controller suspended below the test rack, a safety rope with one end fixedly connected with the speed difference type automatic controller and the other end fixedly connected with the cast iron simulation human body, an electromagnetic suction disc suspended below the test rack in parallel with the speed difference type automatic controller, and a tension sensor arranged in the tension direction of the safety rope. The device can be used for simulating the falling of the simulation human body under the action of gravity to realize the reliable release function of the simulation human body, but it is not suitable for falling protection hanging point test of the tripod support. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a falling protection hanging point test device, overcoming the defects of the prior art, adopting a fully enclosed protection safety structure, realizing falling protection test of the tripod support, remote operation of the working personnel, automatic completion of the whole test process, and maximum avoidance of the risk of personnel injury caused by the explosion of the tripod support due to overload and the flying of fragments in the test process.

[0006] To achieve the above-mentioned purpose, the utility model realizes the following technical scheme:

[0007] A kind of fall protection hanging point test device, including frame, escalator and platform, the inside of frame is divided into the upper bracket installation area of platform area and the lower hanging area, one side of frame is equipped with escalator, and escalator is communicated with the bracket installation area on platform;The platform is centrally provided with aperture, and the periphery of aperture is provided with the foot mounting hole of tripod support;The top of frame is provided with fixed pulley one and fixed pulley two, one end of steel wire rope is passed over fixed pulley one and fixed pulley two, and is wound on the manual spool outside frame, the other end of steel wire rope is connected standard weight, and standard weight is also connected with the hanging point of tripod support by test rope, and electromagnetic release device is arranged on steel wire rope, and tension sensor is arranged on test rope, and test rope has 1 meter long slack length before impact test.

[0008] Further, the hanging point of the tripod support is also connected with the tension machine by the static load rope.

[0009] Further, the static load rope is turned by 90 degrees by the guide wheel arranged on the ground.

[0010] Further, the periphery frame of the bracket installation area is provided with a fully enclosed or semi-enclosed steel mesh, and the height of the semi-enclosed steel mesh is not less than the height of the tripod support.

[0011] Further, the specification of the tension sensor is 50kN, and the specification of the electromagnetic release device is 300kg.

[0012] Further, the weight of the standard weight is 100kg.

[0013] Further, the specification of the tension machine is 50kN.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1) the fully enclosed or semi-enclosed protective safety structure is adopted, so that the risk of personnel injury caused by the explosion of the tripod support and the flying of the fragments during the test process can be avoided to the greatest extent during the fall protection test of the tripod support.

[0016] 2) the operator only needs to operate remotely, so that the whole test process can be automatically completed, the labor intensity is low, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the structure schematic diagram of the embodiment of the utility model;

[0018] Fig. 2 is the in-place schematic diagram of the fall test of the embodiment of the utility model;

[0019] Fig. 3 is the in-place schematic diagram of the static load test of the embodiment of the utility model.

[0020] In the figure: 1-frame, 2-escalator, 3-platform, 4-support installation area, 5-hanging area, 6-tripod support, 7-fixed pulley one, 8-fixed pulley two, 9-hand reel, 10-standard weight, 11-test rope, 12-electromagnetic release device, 13-tension sensor, 14-tension machine, 15-static load rope, 16-guide wheel, 17-steel wire mesh. DETAILED DESCRIPTION

[0021] The technical solutions of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are some of the embodiments of the utility model, but not all of the embodiments.

[0022] In order to more clearly illustrate the technical solutions in the specific embodiments or prior art, the specific embodiments needed in the description of the specific embodiments or prior art will be briefly introduced. Obviously, the specific embodiments described below are some of the embodiments of the utility model, and other specific embodiments can be obtained by those skilled in the art without creative labor.

[0023] The components of the embodiments of the utility model described and shown in the specific embodiments can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the specific embodiments is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0024] See Figs. 1-3 It is an embodiment structure schematic diagram of the falling protection hanging point test device of the utility model, which comprises a frame 1, an escalator 2 and a platform 3. The inside of the frame 1 is divided into an upper support installation area 4 and a lower hanging area 5 by the platform 3. One side of the frame 1 is provided with the escalator 2, which is in communication with the support installation area 4 on the platform 3. A central opening is provided on the platform 3, and a ground foot mounting hole of a tripod support 6 is provided around the opening. The frame 1 is provided with a fixed pulley one 7 and a fixed pulley two 8 at the top. One end of a steel wire rope is wound around the fixed pulley one 7 and the fixed pulley two 8 and wound on a hand reel 9 outside the frame 1. The other end of the steel wire rope is connected with a standard weight 10, and the standard weight 10 is further connected with a hanging point of the tripod support 6 through a test rope 11. An electromagnetic release device 12 is provided on the steel wire rope, a tension sensor 13 is provided on the test rope 11, and the test rope 11 has a 1-meter long slack length before impact test. The specification of the tension sensor 13 is 50kN, and the specification of the electromagnetic release device 12 is 300kg. The weight of the standard weight 10 is 100kg. The specification of the tension machine 14 is 50kN.

[0025] The hanging point of the tripod support 6 is further connected with the tension machine 14 through a static load rope 15.

[0026] The static load rope 15 is turned by 90 degrees through a guide wheel 16 arranged on the ground.

[0027] The periphery frame 1 of the support mounting area 4 is provided with a fully closed or semi-closed wire mesh 17, and the height of the semi-closed wire mesh 17 is not less than the height of the tripod 6.

[0028] In the falling test, the other end of the steel wire rope is sequentially connected with the electromagnetic release device 12 and the standard weight 10, and then the standard weight 10 is connected with the hanging point of the tripe 6 through the test rope 11 and the tension sensor 13, so that the test rope 11 has a 1-meter-long slack length. The electromagnetic release device 12 is controlled by a staff at a distance to release the standard weight 10, the standard weight 10 loads an impact force on the hanging point of the tripe 6 through the test rope 11, and the display value of the tension sensor 13 is recorded at this time. The tripe 6 is qualified if no deformation, crack and loosening are found after the test.

[0029] In the static load test, the hanging point of the tripe 6 is connected with the tension machine 14 through the static load rope 15 and the tension sensor 13, the static load rope 15 is turned by 90 degrees through the guide wheel 16 arranged on the ground, and the tension machine 14 is arranged on the ground. The tension machine 14 loads a set tension on the hanging point of the tripe 6, maintains for 3 minutes, records the display of the tension sensor 13, and meets the rated tension of the tripe. The tripe 6 is qualified if no deformation, crack and loosening are found after the test.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fall protection anchor point testing device, characterized by, The frame, the escalator and the platform, the inside of the frame is separated into the upper support installation area and the lower suspension area by the platform, the frame is provided with the escalator on one side, the escalator is communicated with the support installation area on the platform; the platform is provided with the opening in the middle, the periphery of the opening is provided with the foot installation hole of the tripod support; the top of the frame is provided with the fixed pulley one and the fixed pulley two, one end of the steel wire rope is wound around the fixed pulley one and the fixed pulley two, is wound on the manual spool outside the frame, the other end of the steel wire rope is connected with the standard weight, the standard weight is also connected with the hanging point of the tripod support through the test rope, the steel wire rope is provided with the electromagnetic release device, the test rope is provided with the tension sensor, the test rope has the 1 meter long slack length before the impact test.

2. A fall protection anchor point testing device according to claim 1, wherein, The hanging point of the tripod support is also connected with the tension machine through the static load rope.

3. A fall protection anchor point testing device according to claim 2, wherein, The static load rope is turned by 90 degrees through the guide wheel arranged on the ground.

4. A fall-protection anchor point testing device according to claim 1, wherein, The periphery frame of the support installation area is provided with the fully closed or semi-closed steel wire mesh, the height of the semi-closed steel wire mesh is not less than the height of the tripod support.

5. A fall-protection anchor point testing device according to claim 1, wherein, The specification of the tension sensor is 50kN; the specification of the electromagnetic release device is 300kg.

6. A fall-protection anchor point testing device according to claim 1, wherein, The weight of the standard weight is 100kg.

7. A fall-protection anchor point testing device according to claim 2, wherein, The specification of the tension machine is 50kN.

Images