CN211527797U - Safety belt comprehensive test frame - Google Patents
Safety belt comprehensive test frame Download PDFInfo
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- CN211527797U CN211527797U CN201922495973.8U CN201922495973U CN211527797U CN 211527797 U CN211527797 U CN 211527797U CN 201922495973 U CN201922495973 U CN 201922495973U CN 211527797 U CN211527797 U CN 211527797U
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Abstract
The utility model discloses a comprehensive test frame for a safety belt, which comprises a dynamic test platform, a static test platform, a turnover test platform, a test frame, a foundation and a control device; the test jig is arranged on the foundation, and a turnover test platform is arranged in the vertical direction of the test jig; a dynamic test platform and a static test platform are arranged on the overturning test platform; the dynamic test platform, the static test platform and the overturning test platform are electrically connected with the control device. The test jig adopts under the effect of intelligent controlling means and sensor, measures the maximum pressure value that the safety belt can bear under the different height dummy and the length of time of keeping to show the result on controlling means's display screen, let the developer know the gravity that the safety belt can bear and the holding time at different height, thereby improve the safety of safety belt, stability can, play the guard action to the life safety of the user of safety belt, the life of extension safety belt.
Description
Technical Field
The utility model relates to a safety belt integrated detection technical field specifically, relates to a safety belt integrated test frame.
Background
There is not dedicated cat ladder among the current safety belt check out test set, according to the actual conditions of safety belt, steel construction test bench height is about 8.8 meters, and test bench is very inconvenient from top to bottom, also insecurity. There is no safety belt dynamic test operating platform. During each experiment, the hook of the safety belt needs to be hung on a special device simulating a standard hanging point, and the distance of the position is 6 meters. When the operation is not carried out, one hand is used for climbing to hold the test bench, and the other hand is used for extending out to hang the safety belt. The operation is dangerous and the operation difficulty is high. There is no dynamic test protection system. Because the quality of the safety belt is different, when a dynamic test is carried out, if the quality of the safety belt is poor, the test dummy can directly fall on the concrete ground after the safety rope is broken. The test operation is unsafe once, and the test dummy is easy to damage after a plurality of tests. At present, the market mostly adopts the control mode of instruments and keys, the keys are more, and the operation is troublesome. The gravity center of the safety belt test dummy is 1 meter higher than the suspension point during the test. Because the dummy is in high altitude, and the center of the dummy is at the navel position, a common test mode is adopted, and a user needs to climb up a test frame and prepare related tools, so that the operation is unsafe and inconvenient.
Overall, the existing equipment on the market is inconvenient to mount and dismount the test frame, high in operation difficulty and dangerous to operate, and the equipment is easy to damage.
Therefore, there is a need for an improved comprehensive testing jig for safety belts to overcome the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a height that falls after can real time control the dummy dresses the safety belt through controlling means, under the assistance of sensor, measures the safety belt at the maximum pressure value that the dummy can bear under the different height and the length of keeping, more is favorable to making follow-up improvement research to the stability and the security of safety belt.
The utility model provides the following technical scheme, a comprehensive test frame for a safety belt, which comprises a dynamic test platform, a static test platform, a turnover test platform, a test frame, a foundation and a control device; the test jig is arranged on the foundation, and the overturning test platform is arranged in the vertical direction of the test jig; the dynamic test platform and the static test platform are arranged on the overturning test platform; the dynamic test platform, the static test platform and the overturning test platform are electrically connected with the control device.
Further, the device also comprises a testing device; the testing device comprises a reel, a rope and a sensor which are driven by a motor on a testing platform; the testing device is in communication connection and electric connection with the control device.
Further, the ladder stand is characterized by further comprising a ladder stand, wherein the ladder stand is fixedly arranged on the foundation through the test frame, and the platform of the ladder stand and the overturning test platform are at the same horizontal height.
Furthermore, a display screen for displaying the test data is further arranged on the control device.
Compare with current safety belt test stand, the utility model discloses a technological effect and advantage: the test frame adopts an intelligent control device, the falling height of the dummy after wearing the safety belt can be controlled in real time through the control device, and multiple groups of experiments can be compared with each other with the aid of the sensor; the maximum pressure value that the dummy can bear and the duration of keeping under the different heights are measured to show the result on controlling means's display screen, can let the developer know in real time the gravity that the dummy can bear at different heights, and the holding time, thereby improve the stability ability of safety belt, more be favorable to making follow-up improvement to the stability and the security of safety belt, play the guard action to the life safety of the user of safety belt, and the life of extension safety belt.
Drawings
Fig. 1 is a schematic diagram of an overturning test platform of a comprehensive safety belt test rack in an open state;
fig. 2 is a schematic view of a turning test platform of the comprehensive safety belt test rack in a closed state;
fig. 3 is a schematic view of a simple dummy fixing table.
Detailed Description
In order to make the utility model discloses a utility model purpose, technical scheme and technological effect are more clear and are understood, and it is right to combine specific embodiment below the utility model discloses do further explanation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A comprehensive test frame for a safety belt comprises a dynamic test platform 1, a static test platform 2, an overturning test platform 3, a test frame 4, a foundation 5 and a control device; as shown in fig. 1, the turning test platform of the comprehensive test rack for the safety belt is in an open state; the test jig is arranged on the foundation, and the overturning test platform is arranged in the vertical direction of the test jig; the dynamic test platform and the static test platform are arranged on the overturning test platform; the dynamic test platform, the static test platform and the overturning test platform are electrically connected with the control device. As shown in fig. 2, the roll-over test platform, which is a seat belt integrated test stand, is in a closed state.
Further, the device also comprises a testing device; the testing device comprises a reel, a rope and a sensor which are driven by a motor on a testing platform; the testing device is in communication connection and electric connection with the control device.
Further, still include a cat ladder 6, the cat ladder passes through the testjig is fixed to be set up on the ground, just the platform of cat ladder with upset test platform is in same level.
Furthermore, a display screen for displaying the test data is further arranged on the control device.
Specifically, the overall dynamic load test of the safety belt comprises the following steps:
and connecting all the wires, related connecting wires and the like which need to be connected, and turning on the power switch.
The lifting machine descends by the operations of 'ascending' and 'descending' of the control handle, the release device is used for connecting the test dummy (the connecting position is a head part steel wire rope ring) with the lifting machine hook, and the dummy is lifted up by a height not more than 1 meter after clicking a 'pull-in' button on a touch screen on the control device. The harness is then worn on the dummy for normal use.
And simultaneously, the protective hoisting belt is linked to the dummy according to a specific test item to be tested.
Through the rising of control handle, promote the dummy, suspend when focus and suspension point are horizontal, set up experimental height to 1 meter, then promote the dummy again to the position that the dummy stops automatically. At the moment, the center of gravity of the simulated human is 1 meter higher than the suspension point, and the horizontal distance from the suspension point to the release point is less than 300 mm.
The staff goes up safety belt dynamic operation platform along the slope cat ladder, hangs the couple of safety belt on the sensor hangs the point.
A worker clicks a 'release' key on the touch screen, the releaser is instantly released, the dummy falls freely, the high-speed bandwidth data acquisition and processing system automatically acquires relevant data and transmits the data to the control device, and the touch screen displays the maximum impact force value.
And (5) starting timing after releasing the dummy, checking and recording the logistics phenomenon payment related to the safety belt.
If the next test is needed, clicking the zero clearing key, repeating the steps, if the test is not needed to be continued, turning off the power switch and properly storing the devices such as the sensor, the electric cabinet, the testing dummy and the like.
Further, the overall static compliance test procedure for the seat belt is as follows:
and connecting all the wires, related connecting wires and the like which need to be connected, and turning on the power switch.
Clicking a safety belt of a touch screen on a control display screen to be static, entering a test interface, clicking a setting interface, and entering the setting interface. And setting time and force values, clicking a white frame of the object item, displaying a keyboard, and inputting a corresponding value. The specific force values and times are as desired.
The safety belt is worn on the dummy body, and the dummy is fixed on the test jig. Then the mark is made through the buckle of the adjusting buckle and the buckle frame.
Specifically, the method for fixing the safety belt dummy for the surrounding rod operation comprises the following steps:
(1) lifting bolts are screwed at four positions on the back and the hip of the dummy. The remainder can be removed.
(2) As shown in fig. 3, eyebolts of M16 are threaded around 11, 12, 13 and 14. The remainder can be removed.
(3) The leg of the dummy is upward and is horizontally placed on the bottom plate. When placed horizontally, the legs are in the upper position in the upper figure. The corresponding eye bolts are connected together by U-shaped hooks. And finishing the installation of the dummy.
Specifically, a zone-restricted seatbelt dummy securing method:
(1) and lifting bolts are screwed at four positions of the chest and the legs of the dummy. The remainder can be removed.
(2) As shown in fig. 3, the eyebolts of M16 are threaded around 21, 22, 23 and 24. The remainder can be removed.
(3) The dummy is placed on the bottom plate horizontally with the legs facing downwards. When placed horizontally, the legs are in the upper position in the upper figure. The corresponding eye bolts are connected together by U-shaped hooks. And finishing the installation of the dummy.
Specifically, the fixing method of the falling hanging safety belt dummy comprises the following steps:
(1) the lifting bolt is screwed on the space between the two legs and the neck of the dummy, and the rest can be removed.
(2) The bolt eye of M20 is screwed on at 31 in FIG. 3, and the rest can be removed.
(3) The simulated human legs are vertically placed downwards. The steel wire rope and the steel wire rope buckle are used for connecting the lifting bolts between the two legs and at the position 31 together; and finishing the installation of the dummy.
One end of the static sensor is connected with the safety belt hook, and the other end of the static sensor is connected with a red movable pulley on the safety belt static lifting machine. The height of the movable pulley can be adjusted through operations such as rising or falling in the setting interface of the touch screen, so that the sensor can be conveniently linked.
Clicking the touch screen experiment interface, returning to the experiment interface, clicking a 'start' button to perform a static test on the safety belt, wherein the speed is 100mm/min, the static force value table can display the loading force in real time along with the stretching of the safety belt, when a set force value is reached, the force is automatically maintained, timing is started, and after the set time is reached, a buzzing prompt is given.
And after the test is finished, clicking a reset button, and then clicking a descending button to unload after entering a setting interface. Slippage of the deviation mark is measured and recorded, and the seat belt condition is observed and recorded.
If the next test is needed, repeating the steps, if the test is not needed, turning off the power switch and properly storing the devices such as the sensor, the electric cabinet, the testing dummy and the like.
The test frame adopts an intelligent control device, the falling height of the dummy after wearing the safety belt can be controlled in real time through the control device, and multiple groups of experiments can be compared with each other with the aid of the sensor; the maximum pressure value that the dummy can bear and the duration of keeping under the different heights are measured to show the result on controlling means's display screen, can let the developer know in real time the gravity that the dummy can bear at different heights, and the holding time, thereby improve the stability ability of safety belt, more be favorable to making follow-up improvement to the stability and the security of safety belt, play the guard action to the life safety of the user of safety belt, and the life of extension safety belt.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.
Claims (4)
1. A comprehensive test frame for a safety belt is characterized by comprising a dynamic test platform, a static test platform, a turnover test platform, a test frame, a foundation and a control device; the test jig is arranged on the foundation, and the overturning test platform is arranged in the vertical direction of the test jig; the dynamic test platform and the static test platform are arranged on the overturning test platform; the dynamic test platform, the static test platform and the overturning test platform are electrically connected with the control device.
2. The belt integrity test rack of claim 1, further comprising a testing device; the testing device comprises a reel, a rope and a sensor which are driven by a motor on a testing platform; the testing device is in communication connection and electric connection with the control device.
3. The comprehensive safety belt testing jig according to claim 1, further comprising a ladder stand, wherein the ladder stand is fixedly arranged on the foundation through the testing jig, and a platform of the ladder stand is at the same level as the overturning testing platform.
4. The comprehensive safety belt testing jig according to claim 1, characterized in that a display screen for displaying test data is further provided on the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495973.8U CN211527797U (en) | 2019-12-31 | 2019-12-31 | Safety belt comprehensive test frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495973.8U CN211527797U (en) | 2019-12-31 | 2019-12-31 | Safety belt comprehensive test frame |
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| Publication Number | Publication Date |
|---|---|
| CN211527797U true CN211527797U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922495973.8U Active CN211527797U (en) | 2019-12-31 | 2019-12-31 | Safety belt comprehensive test frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479849A (en) * | 2022-10-20 | 2022-12-16 | 泰州巨环起重防护装备有限公司 | Safety belt strength detection device for high-altitude operation |
-
2019
- 2019-12-31 CN CN201922495973.8U patent/CN211527797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479849A (en) * | 2022-10-20 | 2022-12-16 | 泰州巨环起重防护装备有限公司 | Safety belt strength detection device for high-altitude operation |
| CN115479849B (en) * | 2022-10-20 | 2024-03-26 | 泰州巨环起重防护装备有限公司 | Safety belt strength detection device for overhead operation |
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