CN117451337A - Safety belt test device - Google Patents
Safety belt test device Download PDFInfo
- Publication number
- CN117451337A CN117451337A CN202311595365.9A CN202311595365A CN117451337A CN 117451337 A CN117451337 A CN 117451337A CN 202311595365 A CN202311595365 A CN 202311595365A CN 117451337 A CN117451337 A CN 117451337A
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- Prior art keywords
- seat
- safety belt
- test
- sliding
- groove
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- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 238000004804 winding Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a safety belt testing device which comprises a testing stand, wherein a fixed testing seat and a movable testing seat are arranged above the testing stand in parallel, the fixed testing seat and the movable testing seat are respectively used for fixing two ends of a safety belt to be tested, cavities are formed in the fixed testing seat and the movable testing seat, a winding shaft and a locking shaft are arranged in the cavities, inclined grooves are formed in the inner walls of the cavities, positioned at two ends of the locking shaft, a sliding block is slidably arranged in the inclined grooves, the end part of the locking shaft is fixedly arranged on the sliding block, when the sliding block slides in the inclined grooves, the gap between the locking shaft and the winding shaft is changed, and a locking mechanism for fixing the safety belt to be tested is arranged on the locking shaft. The device is suitable for a safety belt test, and when the device is actually used, the smaller the gap between the lock shaft and the winding shaft is, the larger the clamping force of the device on the safety belt is, so that the end part of the safety belt is fixed more tightly, and the situation that the safety belt is pulled out is avoided.
Description
Technical Field
The invention relates to the technical field of safety belt production, in particular to a safety belt test device.
Background
The safety belt is a safety piece applied to equipment, an airplane, an automobile and the like, or a belt used for guaranteeing safety when working aloft and performing technical performance, and the main raw materials are terylene, polypropylene and nylon. The safety belt not only refers to the webbing, but also is assembled by other parts, and the safety belt becomes the primary consideration of drivers and passengers and is one of the most important performances of automobiles and the like;
when the safety belt is produced, various performances of the safety belt are required to be considered, a fracture test is also one of important tests of the safety belt, and mainly for detecting the tensile strength of the safety belt, when the safety belt is tested in the existing test device, the clamping device is mostly adopted for fixing the end part of the safety belt, and when the safety belt is clamped, the engagement structure of the clamp is inserted into the structure of the safety belt, so that the end part structure of the safety belt is damaged, and therefore, the conditions of falling of the safety belt and breakage of the end part of the safety belt often occur, so that the test result is affected.
Disclosure of Invention
The invention aims to overcome the defects that when a safety belt is tested in a test device in the prior art, a clamping device is adopted for fixing the end part of the safety belt, and when the safety belt is clamped, a clamping structure of a clamp is inserted into the safety belt structure, so that the end part structure of the safety belt is damaged, the situation that the safety belt falls off and the end part of the safety belt breaks frequently occurs, and the test result is influenced.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention discloses a safety belt test device, which is applied to a safety belt fracture test and comprises a test bench, wherein a fixed test seat and a movable test seat are arranged above the test bench in parallel, the fixed test seat and the movable test seat are respectively used for fixing two ends of a safety belt to be tested, the movable test seat can move along the length direction of the test bench, cavities are arranged in the fixed test seat and the movable test seat, a winding shaft and a locking shaft are internally arranged in the cavities, the inner walls of the cavities are positioned at two ends of the locking shaft, a chute is arranged in the chute in a sliding manner, a sliding block is arranged in the chute, the end part of the locking shaft is fixedly arranged on the sliding block, when the sliding block slides in the chute, the gap between the locking shaft and the winding shaft is changed, the locking shaft is provided with a locking mechanism for fixing the safety belt to be tested, when the device is used, the safety belt to be tested is firstly inserted into the cavities of the fixed test seat and the movable test seat, the safety belt to be tested is wound around the winding shaft, finally, the safety belt is clamped with the locking mechanism through the control mechanism on the locking shaft, the sliding block is further arranged in the sliding shaft, the sliding block is changed along the length direction of the sliding block, the sliding block is further, the sliding mechanism is further clamped with the sliding block is arranged in the sliding block, the sliding block is changed along the sliding direction, and the sliding mechanism is more, the sliding mechanism is changed along the sliding direction, and the sliding mechanism is more, and the sliding mechanism is changed, and the gap between the safety belt is changed, and the safety belt is more and the safety belt is fixed along the locking seat, and the sliding seat and the safety seat and is used, the situation that the safety belt is pulled off is avoided.
Preferably, the locking mechanism comprises a through groove and a wedge plate, the through groove is formed along the length direction of the lock shaft, the through groove penetrates through the lock shaft along the radial direction of the lock shaft, the wedge plate is wedged in the through groove, and when the locking mechanism is used, the end part of the safety belt penetrates through the through groove and then is wedged and fixed through the wedge plate, so that the safety belt is fixed.
Preferably, a plurality of wedge teeth are installed at the bottom of the wedge plate at equal intervals, the inner wall of the through groove is correspondingly provided with a pressing groove matched with the wedge teeth, when the wedge plate is wedged in the through groove, the wedge teeth are correspondingly inserted in the pressing groove, and the structure is arranged in such a way that when the wedge plate is inserted in the through groove after the end part of the safety belt passes through the through groove, the wedge teeth can be matched with the pressing groove to assist in pressing the safety belt, so that the safety belt is more stable to fix.
Preferably, the lock shaft and the winding shaft are parallel to each other, so that the lock shaft and the winding shaft can be matched to clamp the safety belt.
Preferably, the chute is arranged along the axial direction perpendicular to the winding shaft, and the locking shaft is always kept parallel to the winding shaft when moving.
Preferably, an elastic component is arranged between the sliding block and the inner wall of the chute, and the elastic component adopts a spring or a shrapnel, so that the sliding block can be pushed under the elastic action of the elastic component, the lock shaft always keeps a trend of moving towards the shaft winding direction, and the subsequent lock shaft moving is convenient to cooperate with the shaft winding to clamp the safety belt.
As the preference, the test bench upper surface is located the spout has been seted up to the bottom position of activity test seat, the slide is installed to the bottom of activity test seat, slide sliding assembly is in the spout, such structure setting makes activity test seat stability higher when removing, can not produce lateral sideslip, guarantees the accuracy of test.
Preferably, the sliding grooves are formed in the length direction of the test bed, two sliding grooves are formed in the sliding grooves, the two sliding grooves are symmetrical to each other, an air cylinder is mounted at one end of each sliding groove, a piston rod of the air cylinder is connected with the sliding seat, and movement stability of the movable test seat is further guaranteed.
Preferably, a displacement sensor (not shown) for detecting the moving distance of the slide and a pressure sensor (not shown) for detecting the cylinder pressure are also installed in the slide groove.
Preferably, the top and the opposite side of the fixed test seat and the movable test seat are hollowed out, so that the cavity is communicated with the outside, and the protective top cover capable of being opened and closed is rotatably arranged at the top hollowed-out structure of the fixed test seat and the movable test seat, so that the safety belt end part is convenient to install and fix.
Compared with the prior art, the invention has the following beneficial effects:
according to the device, the lock shaft is further arranged in the cavity, the end part of the lock shaft is fixed on the sliding block in the chute, when a safety belt fixed on the lock shaft is tensioned, the sliding block slides in the chute to enable the lock shaft to move close to the winding shaft, and due to the arrangement of the structure, when the tensioning degree of the safety belt is higher and higher, the smaller the gap between the lock shaft and the winding shaft is, the larger the clamping force of the gap between the lock shaft and the winding shaft on the safety belt is, so that the end part of the safety belt is fixed tightly, the situation that the safety belt is pulled out is avoided, the end part of the safety belt is not damaged easily by the fixing structure of the end part of the safety belt, and therefore the situation that the safety belt is broken at the fixed part is avoided when the safety belt is pulled, and the accuracy of a test result is ensured;
a plurality of wedge teeth are equidistantly arranged at the bottom of the wedge plate in the device, and the inner wall of the through groove is correspondingly provided with a pressing groove matched with the wedge teeth, so that when the wedge plate is inserted into the through groove after the end part of the safety belt passes through the through groove, the wedge teeth can be matched with the pressing groove to assist in pressing the safety belt, and the safety belt is more stable to fix.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the protective top cover of the present invention when opened;
FIG. 3 is a schematic view of a movable test stand according to the present invention;
FIG. 4 is a partial cross-sectional view of a movable test seat in accordance with the present invention;
FIG. 5 is an enlarged schematic view of the structure of the area A in FIG. 4 according to the present invention;
FIG. 6 is a schematic diagram of a lock shaft according to the present invention;
fig. 7 is a second schematic diagram of the lock shaft structure in the present invention.
Reference numerals: 1. a test bed; 2. fixing a test seat; 3. a movable test seat; 4. a chute; 5. a cylinder; 6. a protective top cover; 7. a lock shaft; 8. a slide; 9. a cavity; 10. winding a shaft; 11. a slide block; 12. an elastic member; 13. a chute; 14. wedge plate; 15. a through groove; 16. pressing a groove; 17. wedge teeth.
Detailed Description
The specific implementation mode of the safety belt testing device is further described below with reference to the accompanying drawings 1-7, and the defects that the situation that the safety belt falls off and the end of the safety belt breaks and the testing result is affected often because the biting structure of the clamp is inserted into the safety belt structure during clamping when the clamping device is used for fixing the end of the safety belt mostly when the safety belt is tested in the testing device in the prior art, and the situation that the safety belt is pulled off is guaranteed because the clamping force of the safety belt is larger when the gap between the lock shaft and the winding shaft is smaller and the clamping force of the safety belt is smaller along with the increasing tensioning degree of the safety belt are overcome, and the safety belt end is not damaged due to the fact that the fixing structure of the end of the safety belt is not easy to break at the fixing position during pulling are avoided. The seat belt test device of the present invention is not limited to the description of the following embodiments.
Example 1:
the embodiment provides a safety belt test device, as shown in fig. 1-7, the safety belt test device is applied to a safety belt fracture test, the safety belt test device comprises a test bench 1, a fixed test seat 2 and a movable test seat 3 are arranged above the test bench 1 in parallel, wherein the fixed test seat 2 and the movable test seat 3 are respectively used for fixing two ends of a safety belt to be tested, the movable test seat 3 can move along the length direction of the test bench 1, cavities 9 are formed in the fixed test seat 2 and the movable test seat 3, a winding shaft 10 and a locking shaft 7 are arranged in the cavities 9, inclined grooves 13 are formed in the two ends of the locking shaft 7 in the inner wall of the cavities 9, a sliding block 11 is arranged in the inclined grooves 13 in a sliding mode, the end portions of the locking shaft 7 are fixedly arranged on the sliding block 11, and when the sliding block 11 slides in the inclined grooves 13, a gap between the locking shaft 7 and the winding shaft 10 is changed, and a locking mechanism for fixing the safety belt to be tested is arranged on the locking shaft 7.
By adopting the technical scheme:
when the device is used, firstly, two ends of a safety belt to be tested are respectively inserted into the cavities 9 on the inner walls of the fixed test seat 2 and the movable test seat 3, then the safety belt to be tested is locked and fixed on the lock shaft 7 through the locking mechanism after bypassing the winding shaft 10, and finally, the movable test seat 3 is controlled to move along the length direction of the test bed 1, so that the space between the fixed test seat 2 and the movable test seat 3 is changed, and the fracture test of the safety belt can be realized;
in the device, the lock shaft 7 is further arranged in the cavity 9, the end part of the lock shaft 7 is fixed on the sliding block 11 in the chute 13, when a safety belt fixed on the lock shaft 7 is tensioned, the sliding block 11 slides in the chute 13 to enable the lock shaft 7 to move close to the winding shaft 10, and the smaller the gap between the lock shaft 7 and the winding shaft 10 is, the larger the clamping force of the gap on the safety belt is, so that the end part of the safety belt is fixed more tightly, and the situation that the safety belt is pulled off is avoided.
Example 2
On the basis of embodiment 1, in this embodiment, the locking mechanism includes a through slot 15 and a wedge plate 14, the through slot 15 is opened along the length direction of the lock shaft 7, and penetrates through the lock shaft 7 along the radial direction of the lock shaft 7, the wedge plate 14 is wedged in the through slot 15, and when in use, the end part of the safety belt passes through the through slot 15 and then is wedged and fixed through the wedge plate 14, so that the safety belt is fixed.
The bottom equidistance of wedge plate 14 installs a plurality of wedge tooth 17, and the indent 16 of the adaptation with wedge tooth 17 has been seted up to the inner wall correspondence of logical groove 15, and when wedge plate 14 wedge in logical inslot 15, wedge tooth 17 corresponds the cartridge in indent 16.
The lock shaft 7 and the winding shaft 10 are parallel to each other, so that the lock shaft 7 and the winding shaft 10 can be matched to clamp the safety belt.
The chute 13 is open in an axial direction perpendicular to the winding shaft 10, so that the lock shaft 7 always remains parallel to the winding shaft 10 during movement.
An elastic part 12 is arranged between the sliding block 11 and the inner wall of the chute 13, and the elastic part 12 adopts a spring or an elastic sheet, so that the sliding block 11 can be pushed under the elastic force of the elastic part 12, the lock shaft 7 always keeps a trend of moving towards the direction of the winding shaft 10, and the subsequent lock shaft 7 can be conveniently moved to be matched with the winding shaft 10 to clamp a safety belt.
By adopting the technical scheme:
when the end part of the safety belt passes through the through groove 15 and the wedge plate 14 is inserted into the through groove 15, the wedge teeth 17 can be matched with the pressing groove 16 to assist in pressing the safety belt, so that the safety belt is fixed more stably.
Example 3
On the basis of embodiment 1, in this embodiment, a sliding groove 4 is formed in the bottom position of the upper surface of the test stand 1 located at the movable test seat 3, a sliding seat 8 is mounted at the bottom of the movable test seat 3, and the sliding seat 8 is slidably assembled in the sliding groove 4.
The spout 4 is offered along the length direction of test bench 1, and two spouts 4 have been offered altogether, and two spouts 4 are symmetrical each other to cylinder 5 is installed to the one end of spout 4, and the piston rod and the slide 8 of cylinder 5 are connected, further guarantee the stability that activity test seat 3 removed.
A displacement sensor (not shown) for detecting the moving distance of the slide 8 and a pressure sensor (not shown) for detecting the pressure of the cylinder 5 are also installed in the slide groove 4.
The top and the opposite side of the fixed test seat 2 and the movable test seat 3 are hollowed out, so that the cavity 9 is communicated with the outside, and the protective top cover 6 which can be opened and closed is rotatably arranged at the hollow structure of the top of the fixed test seat 2 and the hollow structure of the movable test seat 3.
By adopting the technical scheme:
through the mutual spacing of slide 8 and spout 4 for activity test seat 3 stability is higher when removing, can not produce lateral sideslip, guarantees experimental accuracy, and the installation and the fixed of safety belt tip can be made things convenient for in the setting of protective top cap 6.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a safety belt test device, is applied to safety belt fracture test, its characterized in that: the safety belt testing device comprises a test bed (1), wherein a fixed test seat (2) and a movable test seat (3) are arranged above the test bed (1) in parallel, the fixed test seat (2) and the movable test seat (3) are respectively used for fixing two ends of a safety belt to be tested, and the movable test seat (3) can move along the length direction of the test bed (1);
the utility model discloses a safety belt testing device, including fixed test seat (2) and movable test seat (3), cavity (9) are inside all to be provided with, cavity (9) internally mounted has around axle (10) and lock axle (7), cavity (9) inner wall is located chute (13) have been seted up at the both ends of lock axle (7), slidable mounting has slider (11) in chute (13), the tip fixed mounting of lock axle (7) is in on slider (11), works as slider (11) when sliding in chute (13), lock axle (7) with clearance between around axle (10) changes, have on lock axle (7) and treat the locking mechanism that test safety belt was fixed.
2. A seat belt testing device according to claim 1, wherein: the locking mechanism comprises a through groove (15) and a wedge plate (14), the through groove (15) is formed in the length direction of the lock shaft (7) and penetrates through the lock shaft (7) in the radial direction of the lock shaft (7), and the wedge plate (14) is wedged in the through groove (15).
3. A seat belt testing device according to claim 2, wherein: the bottom equidistance of wedge plate (14) is installed a plurality of wedge tooth (17), the inner wall of logical groove (15) correspond seted up with pressure groove (16) of wedge tooth (17) adaptation, when wedge plate (14) wedge is in logical groove (15), wedge tooth (17) correspond the cartridge and be in pressure groove (16).
4. A seat belt testing device according to any one of claims 1-3, wherein: the lock shaft (7) and the winding shaft (10) are parallel to each other.
5. A seat belt testing device according to claim 1, wherein: the chute (13) is arranged along the axial direction perpendicular to the winding shaft (10).
6. A seat belt testing device according to claim 1, wherein: an elastic component (12) is arranged between the sliding block (11) and the inner wall of the chute (13), and the elastic component (12) adopts a spring or a shrapnel.
7. A seat belt testing device according to claim 1, wherein: the upper surface of the test bed (1) is positioned at the bottom of the movable test seat (3) and provided with a sliding groove (4), the bottom of the movable test seat (3) is provided with a sliding seat (8), and the sliding seat (8) is slidably assembled in the sliding groove (4).
8. A seat belt testing device according to claim 7, wherein: the sliding chute (4) is arranged along the length direction of the test bed (1), two sliding chutes (4) are arranged in total, the two sliding chutes (4) are symmetrical to each other, an air cylinder (5) is arranged at one end of the sliding chute (4), and a piston rod of the air cylinder (5) is connected with the sliding seat (8).
9. A seat belt testing device according to claim 8, wherein: and a displacement sensor for detecting the moving distance of the sliding seat (8) and a pressure sensor for detecting the pressure of the cylinder (5) are also arranged in the sliding groove (4).
10. A seat belt testing device according to claim 1, wherein: the top and the opposite side of the fixed test seat (2) and the movable test seat (3) are hollowed out, so that the cavity (9) is communicated with the outside, and a protective top cover (6) capable of being opened and closed is rotatably arranged at the top hollowed-out structure of the fixed test seat (2) and the movable test seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595365.9A CN117451337B (en) | 2023-11-27 | 2023-11-27 | Safety belt test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595365.9A CN117451337B (en) | 2023-11-27 | 2023-11-27 | Safety belt test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117451337A true CN117451337A (en) | 2024-01-26 |
| CN117451337B CN117451337B (en) | 2024-07-05 |
Family
ID=89596816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311595365.9A Active CN117451337B (en) | 2023-11-27 | 2023-11-27 | Safety belt test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117451337B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655663A (en) * | 2017-08-23 | 2018-02-02 | 东莞市彼联机械科技有限公司 | Safe tape test set |
| CN207798553U (en) * | 2017-12-22 | 2018-08-31 | 山西吉利汽车部件有限公司 | Safety belt tensile strength test clamp |
| CN111982687A (en) * | 2020-08-31 | 2020-11-24 | 沈国荣 | Tensile strength testing device for automobile safety belt |
| KR102203647B1 (en) * | 2020-09-24 | 2021-01-15 | 한국교통안전공단 | Jig for testing of seat belt |
| CN115356190A (en) * | 2022-08-26 | 2022-11-18 | 安徽新悦精密机械有限公司 | Rapid clamping device and method for safety belt tension test |
-
2023
- 2023-11-27 CN CN202311595365.9A patent/CN117451337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655663A (en) * | 2017-08-23 | 2018-02-02 | 东莞市彼联机械科技有限公司 | Safe tape test set |
| CN207798553U (en) * | 2017-12-22 | 2018-08-31 | 山西吉利汽车部件有限公司 | Safety belt tensile strength test clamp |
| CN111982687A (en) * | 2020-08-31 | 2020-11-24 | 沈国荣 | Tensile strength testing device for automobile safety belt |
| KR102203647B1 (en) * | 2020-09-24 | 2021-01-15 | 한국교통안전공단 | Jig for testing of seat belt |
| CN115356190A (en) * | 2022-08-26 | 2022-11-18 | 安徽新悦精密机械有限公司 | Rapid clamping device and method for safety belt tension test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117451337B (en) | 2024-07-05 |
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