CN107576577B - Safety belt test mechanism and tester - Google Patents
Safety belt test mechanism and tester Download PDFInfo
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- CN107576577B CN107576577B CN201710966425.1A CN201710966425A CN107576577B CN 107576577 B CN107576577 B CN 107576577B CN 201710966425 A CN201710966425 A CN 201710966425A CN 107576577 B CN107576577 B CN 107576577B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 238000012360 testing method Methods 0.000 title claims abstract description 73
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- 230000007306 turnover Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
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- 238000000034 method Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The invention discloses a safety belt test mechanism which comprises a frame, a loading mechanism, a slipping mechanism and an anthropomorphic dummy, wherein the loading mechanism is arranged on the frame; the loading mechanism and the slipping mechanism are fixed on the frame; the slipping mechanism comprises a column, a semicircular base, a height adjusting block and a release mechanism; the release mechanism comprises an installation bottom plate, side plates, copper sleeves, telescopic shafts, rollers, pin shafts and electromagnets; the dummy is connected with the loading mechanism through a loading chain. The invention also discloses a testing machine applying the testing mechanism, and the testing mechanism can be used for static load testing and slipping testing, and has high testing efficiency, stability and reliability.
Description
Technical Field
The invention belongs to the field of safety belt tests, and particularly relates to a safety belt test mechanism and a safety belt test machine.
Background
The high-altitude operation safety belt is also called a whole-body safety belt or a five-point type safety belt, and the novel national standard GB6095-2009 prescribes that the material is processed by using terylene and higher-strength woven belts. The whole-body safety belt is a protective article for preventing falling casualties of high-altitude operators. The falling suspension safety belt consists of a belt body, a safety rope, a buffer bag and metal accessories, and is generally called as a falling suspension safety belt.
It includes enclosing pole type operation area: the device is suitable for similar work types such as outside electrician, telecommunication worker operation, wire maintenance and the like; anti-falling safety belt: the electric appliance is used for high-altitude operation such as installation and maintenance; five-point safety belt: the device can be suitable for various operations, including (rod surrounding operation, falling suspension, vertical operation and the like); the safety belt has the advantages that: high strength, wear resistance, durability, mildew resistance, acid and alkali resistance, simplicity, portability, safety and applicability.
For safety belts, GB6095-2009 safety belts and GB/T6096-009 safety belt test methods are issued in China.
Most of the existing safety belt testing equipment can only complete one test, such as static load test or slipping test, and most of the existing safety belt testing equipment is complex in operation, many in manual operation modes and large in occupied space.
Disclosure of Invention
The invention provides a safety belt test mechanism which can perform static load test and slip test, and has high test efficiency, stability and reliability. The invention also provides a testing machine, and the whole testing machine is formed by matching the testing mechanism with a control console, other accessories and connecting pieces.
The safety belt test mechanism comprises a frame, a loading mechanism, a slipping mechanism, a dummy and a platform plate; the loading mechanism, the slipping mechanism and the platform plate are all fixed on the frame;
the slipping mechanism comprises an upright post, a semicircular base, a height adjusting block and a release mechanism; the semicircular base is fixed on the side wall of the upper end of the upright post; the height adjusting block is sleeved on the semicircular base, so that the height adjusting block can slide on the semicircular base; the height adjusting block is also provided with a locking buckle for fixing the height adjusting block;
the release mechanism comprises a mounting bottom plate, side plates, copper sleeves, telescopic shafts, rollers, pin shafts and electromagnets; one end of a pair of side plates is fixed at two ends of the mounting bottom plate, and a top plate is fixed at the inner side of the other end of the side plate, so that a body of the release mechanism is formed; the electromagnet in the machine body is fixed on the mounting bottom plate, and the telescopic shaft sleeved by the copper sleeve is connected with the attraction shaft of the electromagnet; the copper sleeve penetrates through the top plate and is fixed on the top plate, and the telescopic shaft can axially move in the copper sleeve; the end head of the telescopic shaft, which is far away from the electromagnet, is provided with a roller, and the pin shaft penetrates through the telescopic shaft and the roller and relatively fixes the roller; the telescopic shaft is positioned below the platform plate.
The simulator is connected with the loading mechanism through a loading chain.
Further, the fixed block is fixed in the middle of the upright post and is fixedly connected with the frame;
further, the bottom end of the frame is a section bar frame, one side of the section bar frame is fixed with a pair of vertical frames, and the vertical frames are fixed with turnover simulated human turning plates;
the artificial human turning plate is positioned below the artificial human turning plate, and a slip mechanism fixing plate is fixed on the section bar frame and used for fixing the upright post; the profile frame is provided with a loading mechanism fixing frame adjacent to the slipping mechanism fixing plate, and the upper end of the loading mechanism fixing frame is provided with a fixing plate for fixing the loading mechanism.
Further, the loading mechanism comprises an oil cylinder, a flange connection disc, an oil cylinder piston and a pull head;
the flange connection disc is connected with the frame; the pull head is sleeved at the upper end of the oil cylinder piston and can rotate 360 degrees; the pull head is provided with a plurality of mounting holes.
A seat belt testing machine employing the seat belt testing mechanism of claim 1.
The safety belt testing machine is suitable for static load testing of falling suspension safety belts, surrounding rod type safety belts and regional limiting safety belts, and is also suitable for slipping testing of surrounding rod type safety belts.
The test mechanism and the test machine have the following characteristics:
1. the testing machine is integrally formed by welding the frames, and has high strength, good rigidity and difficult deformation in the testing process;
2. the testing machine uses the chain as an auxiliary clamp, the test height is convenient to adjust, and the control stability of the test process is ensured;
3. the testing machine adopts a piezoelectric sensor and has the advantages of wide frequency band, high sensitivity, high signal to noise ratio, simple structure, reliable operation, light weight and the like;
4. the control console of the testing machine and the host adopt a separated design, so that the testing process is safer, and the personal protection can be ensured;
5. the software of the testing machine adopts a PID control mode, and has the characteristics of high control precision, stable and reliable control and the like;
6. the testing machine adopts a large-diameter oil cylinder, so that the cantilever loading mechanism is stable and reliable in the testing process;
7. the mounting connection points required by calibration of the tester are preset on the tester frame, so that the later calibration of the equipment is facilitated;
8. the test machine has the advantages of convenient and quick sample installation, high test efficiency, low later maintenance cost and the like.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a side view of the slip mechanism of the present invention.
Fig. 4 is a perspective view of the slip mechanism of the present invention.
Fig. 5 is a side view of the release mechanism of the present invention.
Fig. 6 is a schematic perspective view of a release mechanism of the present invention.
Fig. 7 is a side view of the frame of the present invention.
Fig. 8 is a schematic perspective view of a frame of the present invention.
Fig. 9 is a side view of the loading mechanism of the present invention.
Fig. 10 is a schematic perspective view of the loading mechanism of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in figures 1 and 2, the safety belt testing mechanism comprises a frame 1, a loading mechanism 2, a slipping mechanism 3, an anthropomorphic dummy 4, the loading mechanism 2 and the slipping mechanism 3 which are all fixed on the frame 1. The dummy 3 is connected to the loading mechanism by a loading chain or other connecting means.
As shown in fig. 3 and 4, the sliding mechanism of the invention comprises a column 6, a semicircular base 7, a height adjusting block 8 and a release mechanism 9; the semicircular base 7 is fixed on the side wall of the upper end of the upright post 6; the height adjusting block 8 is sleeved on the semicircular base 7, so that the height adjusting block can slide on the semicircular base; the height adjusting block 8 is also provided with a locking buckle 11 for fixing the height adjusting block; the fixed block 12 is fixed in the middle of the upright post and is fixedly connected with the frame.
The slipping mechanism is used as a mechanism for carrying out a safety belt slipping test, and needs to bear the impact force of a simulated person during the test, so that the upright post has certain rigidity requirement, the semicircular base is connected with the upright post through a bolt, the height adjusting block can slide on the semicircular base, the height can be adjusted according to safety belt encircling rod belts with different lengths, and the safety belt encircling rod belt is locked on the semicircular base through the locking buckle of the adjusting block. The fixing blocks can fix the stand columns and the equipment rack together to form a complete stressed whole, so that the rigidity of the stand columns is increased.
As shown in fig. 5 and 6, the release mechanism of the invention comprises a mounting bottom plate 13, a side plate 14, a copper sleeve 15, a telescopic shaft 16, a roller 17, a pin shaft 18 and an electromagnet 19; one end of a pair of side plates 14 is fixed at two ends of the mounting bottom plate 13, and a top plate 20 is fixed at the inner side of the other end of the side plates, so that a body of the release mechanism is formed; an electromagnet 19 positioned in the machine body is fixed on the mounting bottom plate 13, and a telescopic shaft 16 sleeved by a copper sleeve 15 is connected with a suction shaft of the electromagnet; the copper sleeve 15 passes through the top plate and is fixed on the top plate, and the telescopic shaft 16 can axially move in the copper sleeve; the end head of the telescopic shaft, which is far away from the electromagnet, is provided with a roller 17, and a pin shaft 18 penetrates through the telescopic shaft and the roller and relatively fixes the roller; the telescopic shaft is positioned below the platform plate.
The electromagnetic release mechanism is used as a release mechanism for carrying out a safety belt slipping test, and a sufficient attraction force is required to pull the telescopic shaft, so that the simulated human turning plate which is on the rolling shaft can slip smoothly. The machine body of the electromagnetic release mechanism is formed by the mounting bottom plate, the side plates and the like, the copper sleeve can ensure that the telescopic shaft does not generate radial movement, the roller and the pin shaft form a mechanism capable of rolling, the friction force between the release mechanism and the simulated human turning plate can be reduced to the greatest extent, and the release reliability in the test is ensured.
As shown in fig. 7 and 8, the bottom end of the frame is a section frame 19, one side of the section frame 19 is fixed with a pair of vertical frames 10, and the vertical frames are fixed with a turnover simulated human turning plate 21; the lower part of the simulated human turning plate is fixed with a slip mechanism fixing plate 22 on the section frame for fixing the upright post; the profile frame is provided with a loading mechanism fixing frame 23 adjacent to the slipping mechanism fixing plate, and the upper end of the loading mechanism fixing frame is provided with a fixing plate for fixing the loading mechanism. The invention also provides a platform plate 5 on the section frame to cover the upper surface of the section frame.
The testing machine frame is used as a matrix of the whole equipment, certain rigidity and shape and position size are required, the expected effect is ensured when the testing machine frame is matched with other mechanisms, the bottom plate is used as a base of the frame, all forces during static load test are required to be borne, and certain structural form is required to ensure the rigidity of the equipment. The loading mechanism fixing plate is used for fixing an oil cylinder loading mechanism of the equipment, and the slipping mechanism fixing plate is used for fixing an upright post of the slipping mechanism.
As shown in fig. 9 and 10, the loading mechanism of the invention comprises an oil cylinder 24, a flange connection disc 25, an oil cylinder piston 26 and a pull head 27; the flange connecting disc 25 is connected with the frame; the pull head 27 is sleeved at the upper end of the oil cylinder piston 26 and can rotate 360 degrees; the pull head 27 is provided with a plurality of mounting holes, so that corresponding adjustment can be performed according to sample differences during a test.
The loading mechanism is used as a power transmission unit of the whole testing machine, is connected with a frame of the equipment by utilizing the flange connection disc, adopts a cantilever beam form, so that the whole testing space is flexible and changeable, and the pull head can rotate by 360 degrees.
A seat belt testing machine employing the seat belt testing mechanism of claim 1.
Example 2
The safety belt testing machine is formed by matching the safety belt testing mechanism with conventional technologies such as a control console, a cable, a power supply, an oil pipe and the like.
When the safety belt static load test is carried out, different wearing modes are selected according to the types of the safety belt, the safety belt is worn on a simulator, and then the hip lifting ring of the simulator is fixed on a fixed point of a bottom plate; the upper end of the pull-up force sensor is hung on a loading chain, the lower end of the pull-up force sensor is hung at the joint of the safety rope and the safety belt lacing, the corresponding test load and the corresponding load-keeping time are set on a control console, a test key is pressed for static load test, and test conditions are measured and recorded.
Specific test methods can be referred to GB/T6096-2009 safety belt test methods.
When the slipping test is carried out, the surrounding rod type safety belt is worn on the simulative man, the simulative man is hoisted on the turning plate by utilizing the pull head, the surrounding rod belt is wound on the height adjusting block, the distance between the hanging point of the safety belt lacing and the fixed hanging point is ensured to be 200-300 mm, and marks are made at the positions of the belt buckle and the belt buckle frame penetrating through the adjusting buckle; then removing the connecting piece (chain) for hoisting, after the test is ready, only pressing a release button on the control console, reversing the turning plate, simulating the falling of a person, measuring and recording the slippage deviating from the mark after shaking is stopped, and observing and recording the condition of the safety belt, thus completing the test.
Specific test methods can be referred to GB/T6096-2009 safety belt test methods.
All of the above-described primary implementations of this intellectual property are not intended to limit other forms of implementing this new product and/or new method. Those skilled in the art will utilize this important information and the above modifications to achieve a similar implementation. However, all modifications or adaptations belong to the reserved rights based on the new products of the invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. The safety belt test mechanism is characterized by comprising a frame, a loading mechanism, a slipping mechanism and an anthropomorphic dummy; the loading mechanism and the slipping mechanism are fixed on the frame;
the slipping mechanism comprises an upright post, a semicircular base, a height adjusting block and a release mechanism; the semicircular base is fixed on the side wall of the upper end of the upright post; the height adjusting block is sleeved on the semicircular base, so that the height adjusting block can slide on the semicircular base; the height adjusting block is also provided with a locking buckle for fixing the height adjusting block;
the release mechanism comprises a mounting bottom plate, side plates, copper sleeves, telescopic shafts, rollers, pin shafts and electromagnets; one end of a pair of side plates is fixed at two ends of the mounting bottom plate, and a top plate is fixed at the inner side of the other end of the side plate, so that a body of the release mechanism is formed; the electromagnet in the machine body is fixed on the mounting bottom plate, and the telescopic shaft sleeved by the copper sleeve is connected with the attraction shaft of the electromagnet; the copper sleeve penetrates through the top plate and is fixed on the top plate, and the telescopic shaft can axially move in the copper sleeve; the end head of the telescopic shaft, which is far away from the electromagnet, is provided with a roller, and the pin shaft penetrates through the telescopic shaft and the roller and relatively fixes the roller; the telescopic shaft is positioned below the platform plate;
the simulator is connected with the loading mechanism through a loading chain;
the bottom end of the frame is provided with a section bar frame, one side of the section bar frame is fixed with a pair of vertical frames, and the vertical frames are fixed with turnover simulated human turning plates;
the artificial human turning plate is positioned below the artificial human turning plate, and a slip mechanism fixing plate is fixed on the section bar frame and used for fixing the upright post; the profile frame is provided with a loading mechanism fixing frame adjacent to the slipping mechanism fixing plate, and the upper end of the loading mechanism fixing frame is provided with a fixing plate for fixing the loading mechanism.
2. The safety belt testing mechanism according to claim 1, wherein the fixing plate is fixed in the middle of the upright post and is fixedly connected with the frame.
3. The seat belt testing mechanism according to claim 1 or 2, wherein the loading mechanism comprises an oil cylinder, a flange connection disc, an oil cylinder piston and a pull head;
the flange connection disc is connected with the frame; the pull head is sleeved at the upper end of the oil cylinder piston and can rotate 360 degrees; the pull head is provided with a plurality of mounting holes.
4. A seat belt testing machine employing the seat belt testing mechanism of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966425.1A CN107576577B (en) | 2017-10-17 | 2017-10-17 | Safety belt test mechanism and tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966425.1A CN107576577B (en) | 2017-10-17 | 2017-10-17 | Safety belt test mechanism and tester |
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| CN107576577A CN107576577A (en) | 2018-01-12 |
| CN107576577B true CN107576577B (en) | 2024-02-13 |
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| CN201710966425.1A Active CN107576577B (en) | 2017-10-17 | 2017-10-17 | Safety belt test mechanism and tester |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108680444B (en) * | 2018-08-06 | 2020-09-29 | 昆明飞翔材料技术有限公司 | Falling tension fatigue test device for electric power construction safety belt |
| CN109724881A (en) * | 2018-12-12 | 2019-05-07 | 陕西航天机电环境工程设计院有限责任公司 | A kind of antitorque detection machine of porcelain vase |
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| US4630472A (en) * | 1985-09-03 | 1986-12-23 | Chrysler Motors Corporation | Seat belt testing device |
| CN101886976A (en) * | 2010-06-29 | 2010-11-17 | 上海大学 | Integral sliding-down test device of safety belt for mast work |
| CN202916063U (en) * | 2012-08-08 | 2013-05-01 | 胜利油田油建华大实业总公司 | Multifunctional impact detection apparatus for safety belt |
| CN203414267U (en) * | 2013-09-13 | 2014-01-29 | 宝鸡市恒森电力设备有限责任公司 | Testing machine special for safety belt |
| CN103592183A (en) * | 2013-10-29 | 2014-02-19 | 国家电网公司 | Multistation safety belt static load testing machine |
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| CN207502312U (en) * | 2017-10-17 | 2018-06-15 | 安徽恒力安全检测技术有限公司 | Safety belt test mechanism, testing machine |
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2017
- 2017-10-17 CN CN201710966425.1A patent/CN107576577B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| US4630472A (en) * | 1985-09-03 | 1986-12-23 | Chrysler Motors Corporation | Seat belt testing device |
| CN101886976A (en) * | 2010-06-29 | 2010-11-17 | 上海大学 | Integral sliding-down test device of safety belt for mast work |
| CN202916063U (en) * | 2012-08-08 | 2013-05-01 | 胜利油田油建华大实业总公司 | Multifunctional impact detection apparatus for safety belt |
| CN203414267U (en) * | 2013-09-13 | 2014-01-29 | 宝鸡市恒森电力设备有限责任公司 | Testing machine special for safety belt |
| CN103592183A (en) * | 2013-10-29 | 2014-02-19 | 国家电网公司 | Multistation safety belt static load testing machine |
| CN203785861U (en) * | 2014-04-28 | 2014-08-20 | 苏州热工研究院有限公司 | Personal protection tool fall/impact testing apparatus |
| CN207502312U (en) * | 2017-10-17 | 2018-06-15 | 安徽恒力安全检测技术有限公司 | Safety belt test mechanism, testing machine |
Non-Patent Citations (1)
| Title |
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| 安全带整体静负荷试验机的研制及应用;王宗宁 等;中国个体防护装备(第05期);第34-36页 * |
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