Device for testing tensile strength of automobile safety belt
Through the combined design of driving, arc sliding, clamping, transmission and adjustment mechanisms, the problems of unstable clamping, uneven stretching and inflexible adjustment of existing testing equipment are solved, and the accuracy and adaptability of the safety belt tensile strength test are achieved.
Patent Information
- Application Number
- CN202510866665.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-26
- Publication Date
- 2025-09-12
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing automobile seat belt tensile strength testing equipment has problems such as unreasonable clamping mechanism design, poor tensioning mechanism stability and inflexible adjustment mechanism, which affect the accuracy and adaptability of test results.
The combined design of driving mechanism, arc-shaped sliding mechanism, clamping mechanism, transmission mechanism and adjustment mechanism is adopted. Through components such as servo motor, meshing gears, air pump and driving motor, it can achieve stable clamping of the seat belt, simulate human movement and multi-angle stretching, and meet the testing requirements of seat belts of different specifications.
It improves the accuracy of the test and the versatility of the equipment, ensures that the seat belt does not slip during the test, can simulate the tension conditions during an actual collision, and adapts to the testing needs of seat belts of different specifications.
Smart Images
Figure CN120628797A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of automobile safety detection, in particular to an automobile safety belt tensile strength testing device. Background Art
[0002] With the rapid development of the automotive industry, cars have become an indispensable means of transportation for daily commutes. However, cars inevitably face various emergencies while driving, such as collisions and sudden braking, which can pose serious threats to the lives of occupants. As a crucial component of the vehicle's safety system, seat belts effectively restrain occupants during a collision or sudden braking, preventing them from secondary collisions with hard objects inside the vehicle due to inertia, thereby significantly reducing the risk of injury or even death.
[0003] Although existing automobile seat belt tensile strength testing equipment can meet the testing requirements to a certain extent, it still has some shortcomings: the clamping mechanism design of some testing equipment is not reasonable, and the seat belt may slip during the test, affecting the accuracy of the test results; the stretching mechanism of some equipment has poor stability, resulting in uneven tension during the stretching process, and unable to accurately simulate the tension conditions that the seat belt is subjected to during an actual collision; and the adjustment mechanism of some equipment is not flexible enough, making it difficult to adapt to the testing requirements of seat belts of different specifications and models, increasing the difficulty and cost of testing. Summary of the Invention
[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.
[0005] In order to achieve the above effect, the technical solution adopted by the present invention is as follows: a vehicle safety belt tensile strength test device, the safety belt strength test device comprising: a mounting platform, a support plate fixedly connected to the upper surface of the mounting platform, a fence fixedly connected to one side of the support plate, a stretching room fixedly connected to the upper surface of the mounting platform, a driving mechanism, an arc-shaped sliding mechanism, a clamping mechanism, a transmission mechanism and an adjustment mechanism arranged in sequence from bottom to top inside the stretching room, and a stretching mechanism provided on the upper surface of the mounting platform;
[0006] The driving mechanism includes a mounting rod, the upper surface of the mounting platform is fixedly connected to the mounting rod, the upper surface of the mounting rod is fixedly connected to the mounting bracket, the inner wall of the mounting bracket is provided with a groove, the interior of the mounting bracket is movably connected to a first meshing gear, the upper surface of the mounting platform is fixedly connected to a servo motor, and the servo motor is arranged inside the stretching room, the output end of the upper surface of the servo motor is fixedly connected to a third rotating shaft, the outer wall of the third rotating shaft is fixedly connected to a second meshing gear, and the second meshing gear is meshed with the first meshing gear.
[0007] Preferably, the arc-shaped sliding mechanism includes a connecting shaft, a pair of connecting shafts are fixedly connected to the upper surface of the first meshing gear, the outer wall of the upper surface of the connecting shaft is movably connected to a connecting rod, the lower surface of the connecting rod is fixedly connected to a second fixed rod, the lower surface of the second fixed rod is fixedly connected to a first slider, the upper surface of the mounting platform is fixedly connected to a first slide rail, and the inner part of the first slider is slidably connected to the outer wall of the first slide rail.
[0008] Preferably, the clamping mechanism includes a rotating disk, the upper surface of the connecting shaft is fixedly connected to the rotating disk, the left and right sides of the upper surface of the rotating disk are fixedly connected to the second slide rails, the interior of the rotating disk is rotatably connected to the rotating shaft, the outer wall of the rotating shaft is fixedly connected to the placement disk, a guide groove is provided inside the placement disk, the upper surface of the second slide rail is slidably connected to the second slider, the upper surface of the second slider is fixedly connected to the second guide rod, and the upper surface of the second guide rod is fixedly connected to the clamping block.
[0009] Preferably, the transmission mechanism includes an air pump, the lower surface of the rotating disk is fixedly connected to the air pump, the output end on one side of the air pump is fixedly connected to the air rod, the output end on one side of the air rod is fixedly connected to a fixed block, the internal movability of the fixed block is connected to a movable shaft, the left and right sides of the movable shaft are fixedly connected to connecting plates, one side of the connecting plate is fixedly connected to a tooth plate, one side of the tooth plate is meshedly connected to a connecting gear, and the connecting gear is fixedly connected to the outer wall of the rotating shaft.
[0010] Preferably, the adjustment mechanism includes a first drive motor, the interior of the stretching room is fixedly connected to the first drive motor, the output end of the upper surface of the first drive motor is fixedly connected to the first rotating shaft, the outer wall of the upper surface of the first rotating shaft is fixedly connected to the first rotating gear, the left and right sides of the interior of the stretching room are fixedly connected to the first guide rod, the outer wall of the first guide rod is fixedly connected to the second rotating gear, and the first rotating gear and the second rotating gear are meshed with each other, the outer wall of the first guide rod is threadedly connected to the stretching plate, the lower surface of the stretching plate is fixedly connected to the first fixing rod, and the lower surface of the first fixing rod is fixedly connected to the placement seat.
[0011] Preferably, the stretching mechanism includes an L-shaped plate, and the left and right sides of the upper surface of the mounting platform are fixedly connected with the L-shaped plate, one side of the L-shaped plate is fixedly connected to the second driving motor, the output end of one side of the second driving motor is fixedly connected to the second rotating shaft, the outer wall of the second rotating shaft is threadedly connected to the adjusting rod, one side of the adjusting rod is provided with a mounting groove, the interior of the mounting groove is fixedly connected with a push-type lock buckle, the interior of the push-type lock buckle is movably connected with an annular buckle, one side of the annular buckle is fixedly connected to an inclined panel, and one side of the inclined panel is fixedly connected to a hook.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. The driving mechanism is composed of a mounting rod, a mounting bracket, a first meshing gear, a servo motor, a third rotating shaft and a second meshing gear. The servo motor drives the second meshing gear to rotate through the third rotating shaft, so that the second meshing gear meshes with the first meshing gear, thereby driving the first meshing gear to rotate in the mounting bracket, providing a stable power source for the entire testing equipment, ensuring the smoothness and controllability of the stretching process, and is the basis for ensuring the accuracy of the test. The arc sliding mechanism is composed of a connecting shaft, a connecting rod, a second fixed rod, a first slider and a first slide rail. The connecting shaft rotates with the first meshing gear, driving the connecting rod to move. The second fixed rod is connected to the connecting rod and the first slider, and the first slider slides on the first slide rail. The clamping mechanism and the safety belt connected to the arc sliding mechanism can produce a certain range of movement in the horizontal direction, simulating the lateral tension that the safety belt bears when the human body is hit in the left and right directions.
[0014] 2. The clamping mechanism is composed of a rotating disk, a second slide rail, a rotating shaft, a placement disk, a guide groove, a second slider, a second guide rod and a clamping block. The rotating disk is connected to the driving mechanism through a connecting shaft. The rotating shaft drives the placement disk to rotate, and the second slider slides on the second slide rail. The clamping block is driven to move by the second guide rod to achieve fast and firm clamping of the safety belt. The guide groove can assist in placing the safety belt to prevent it from slipping during the test, ensuring the smooth progress of the test. The transmission mechanism is composed of an air pump, an air rod, a fixed block, a movable shaft, a connecting plate, a tooth plate and a connecting gear. The air pump pushes the fixed block to move through the air rod, and the movable shaft drives the connecting The plate and the tooth plate move, the tooth plate engages with the connecting gear, and the connecting gear is fixedly connected to the rotating shaft, thereby realizing the adjustment of the rotation angle of the rotating shaft, and then adjusting the position and state of the clamping mechanism to meet the testing requirements of seat belts of different specifications, thereby improving the versatility of the equipment. The stretching mechanism is composed of an L-shaped plate, a second drive motor, a second rotating shaft, an adjusting rod, a mounting groove, a push-type lock buckle, an annular buckle, an inclined panel and a hook. The L-shaped plate provides support, and the second drive motor drives the adjusting rod to move through the second rotating shaft. The push-type lock buckle in the mounting groove cooperates with the annular buckle to facilitate the installation and disassembly of the hook, and the inclined panel can assist the hook in connecting with the seat belt. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only represent some embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 It is a schematic diagram of the main structure of an embodiment of the present invention;
[0017] Figure 2 is a schematic diagram of the driving structure of the adjustment mechanism according to an embodiment of the present invention;
[0018] Figure 3 This is a schematic diagram of the lifting structure of the adjustment mechanism according to an embodiment of the present invention;
[0019] Figure 4 This invention Figure 2 Schematic diagram of the enlarged structure at point A;
[0020] Figure 5 Schematic diagram of the stretching mechanism, clamping mechanism and driving mechanism structure of an embodiment of the present invention;
[0021] Figure 6 It is a schematic diagram of the transmission mechanism structure of an embodiment of the present invention.
[0022] In the figure, 1. mounting platform; 101. support plate; 102. fence; 103. stretching room; 2. first driving motor; 201. first rotating shaft; 202. first rotating gear; 203. first guide rod; 204. second rotating gear; 205. stretching plate; 206. first fixing rod; 207. placement seat; 3. L-shaped plate; 301. second driving motor; 302. second rotating shaft; 303. adjustment rod; 304. mounting groove; 305. push-type lock; 306. ring buckle; 307. inclined panel; 308. hook; 4. mounting rod; 401. mounting bracket; 402. Groove; 403, first meshing gear; 404, servo motor; 405, third rotating shaft; 406, second meshing gear; 5, connecting shaft; 501, connecting rod; 502, second fixed rod; 503, first slider; 504, first slide rail; 6, rotating disk; 601, second slide rail; 602, rotating shaft; 603, placement disk; 604, guide groove; 605, second slider; 606, second guide rod; 607, clamping block; 7, air pump; 701, air rod; 702, fixed block; 703, movable shaft; 704, connecting plate; 705, tooth plate; 706, connecting gear. DETAILED DESCRIPTION
[0023] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.
[0024] Example 1:
[0025] See also Figures 1 to 6 As shown, this embodiment discloses a vehicle safety belt tensile strength test device, which includes: a mounting platform 1, a support plate 101 fixedly connected to the upper surface of the mounting platform 1, a fence 102 fixedly connected to one side of the support plate 101, a stretching room 103 fixedly connected to the upper surface of the mounting platform 1, and a driving mechanism, an arc-shaped sliding mechanism, a clamping mechanism, a transmission mechanism, and an adjustment mechanism arranged in sequence from bottom to top in the stretching room 103, and a stretching mechanism provided on the upper surface of the mounting platform 1;
[0026] The driving mechanism includes a mounting rod 4, the upper surface of the mounting platform 1 is fixedly connected to the mounting rod 4, the upper surface of the mounting rod 4 is fixedly connected to the mounting bracket 401, the inner wall of the mounting bracket 401 is provided with a groove 402, the interior of the mounting bracket 401 is movably connected to the first meshing gear 403, the upper surface of the mounting platform 1 is fixedly connected to the servo motor 404, and the servo motor 404 is arranged inside the stretching room 103, the output end of the upper surface of the servo motor 404 is fixedly connected to the third rotating shaft 405, and the outer wall of the third rotating shaft 405 is fixedly connected to the The second meshing gear 406 is meshed with the first meshing gear 403, and the servo motor 404 drives the second meshing gear 406 to rotate through the third rotating shaft 405. The second meshing gear 406 meshes with the first meshing gear 403, thereby driving the first meshing gear 403 to rotate in the mounting bracket 401. The groove 402 provided on the inner wall of the mounting bracket 401 can play a certain limiting and guiding role, ensuring that the first meshing gear 403 remains stable during the rotation process and does not deviate or shake.
[0027] Preferably, the arc-shaped sliding mechanism includes a connecting shaft 5, a pair of connecting shafts 5 are fixedly connected to the upper surface of the first meshing gear 403, a connecting rod 501 is movably connected to the outer wall of the upper surface of the connecting shaft 5, a second fixed rod 502 is fixedly connected to the lower surface of the connecting rod 501, a first slider 503 is fixedly connected to the lower surface of the second fixed rod 502, and a first slide rail 504 is fixedly connected to the upper surface of the mounting platform 1, and the interior of the first slider 503 is slidably connected to the outer wall of the first slide rail 504, the connecting shaft 5 rotates with the first meshing gear 403, driving the connecting rod 501 to move, and the first slider 503 is fixedly connected to the upper surface of the mounting platform 1. The second fixed rod 502 is connected to the connecting rod 501 and the first slider 503. The first slider 503 slides on the first slide rail 504, so that the connecting rod 501 will swing or move at a certain angle under the drive of the connecting shaft 5. During an actual car collision, the human body will produce complex movements due to inertia, and the seat belt will also be subjected to tension in different directions and angles. The arc-shaped sliding mechanism can simulate the lateral tension that the seat belt bears when the human body is hit in the left and right directions through the sliding of the first slider 503 on the first slide rail 504, making the test closer to the actual collision scene.
[0028] The second guide rod 606 drives the clamping block 607 to move, thereby realizing fast and firm clamping of the safety belt. In addition, the guide groove 604 can assist in placing the safety belt, thereby preventing it from slipping during the test, and thus ensuring the smooth progress of the test.
[0029] Preferably, the transmission mechanism includes an air pump 7, and the air pump 7 is fixedly connected to the lower surface of the rotating disk 6. The output end of one side of the air pump 7 is fixedly connected to the air rod 701, and the output end of one side of the air rod 701 is fixedly connected to the fixed block 702. The internal movability of the fixed block 702 is connected to the movable shaft 703, and the left and right sides of the movable shaft 703 are fixedly connected to the connecting plate 704, and one side of the connecting plate 704 is fixedly connected to the tooth plate 705. One side of the tooth plate 705 is meshed with the connecting gear 706, and the connecting gear 706 is fixedly connected to the outer wall of the rotating shaft 602. The air pump 7 pushes the fixed block 702 to move through the air rod 701, and the movable shaft 703 drives the connecting plate 704 and the tooth plate 705 to move. The tooth plate 705 meshes with the connecting gear 706, and the connecting gear 706 is fixedly connected to the rotating shaft 602, thereby realizing the adjustment of the rotation angle of the rotating shaft 602, and then adjusting the position and state of the clamping mechanism.
[0030] Preferably, the adjustment mechanism includes a first drive motor 2, the interior of the stretching room 103 is fixedly connected to the first drive motor 2, the output end of the upper surface of the first drive motor 2 is fixedly connected to the first rotating shaft 201, the outer wall of the upper surface of the first rotating shaft 201 is fixedly connected to the first rotating gear 202, the left and right sides of the interior of the stretching room 103 are fixedly connected to the first guide rod 203, the outer wall of the first guide rod 203 is fixedly connected to the second rotating gear 204, and the first rotating gear 202 and the second rotating gear 204 are meshed with each other, the outer wall of the first guide rod 203 is threadedly connected to the stretching plate 205, and the stretching plate 20 5 is fixedly connected to the lower surface of the first fixing rod 206, and the lower surface of the first fixing rod 206 is fixedly connected to the placement seat 207. The first driving motor 2 drives the first rotating gear 202 to rotate through the first rotating shaft 201. The first rotating gear 202 is engaged with the second rotating gear 204. The second rotating gear 204 is fixed on the first guide rod 203, so that the first guide rod 203 rotates, thereby driving the stretching plate 205 threadedly connected to the first guide rod 203 to move up and down. The position of the placement seat 207 is adjusted by the first fixing rod 206 to adjust the stretching height to meet the needs of different test scenarios.
[0031] Preferably, the stretching mechanism includes an L-shaped plate 3, and the left and right sides of the upper surface of the mounting platform 1 are fixedly connected with the L-shaped plate 3, one side of the L-shaped plate 3 is fixedly connected to the second driving motor 301, the output end of one side of the second driving motor 301 is fixedly connected to the second rotating shaft 302, the outer wall of the second rotating shaft 302 is threadedly connected with the adjusting rod 303, and one side of the adjusting rod 303 is provided with a mounting groove 304, the interior of the mounting groove 304 is fixedly connected with a push-type lock buckle 305, the interior of the push-type lock buckle 305 is movably connected with an annular buckle 306, one side of the annular buckle 306 is fixedly connected with an inclined panel 307, and one side of the inclined panel 307 is fixedly connected with a hook 308, and the second driving motor 301 drives the adjusting rod 303 to move through the second rotating shaft 302, and the push-type lock buckle 305 in the mounting groove 304 cooperates with the annular buckle 306 to facilitate the installation and disassembly of the hook 308, and the inclined panel 307 can assist the hook 308 in connecting with the safety belt.
[0032] Example 2:
[0033] See also Figure 1 and Figures 4 and 5 and Figure 6As shown, the difference compared with the first embodiment is that: the arc-shaped sliding mechanism includes a connecting shaft 5, a pair of connecting shafts 5 are fixedly connected to the upper surface of the first meshing gear 403, the outer wall of the upper surface of the connecting shaft 5 is movably connected to the connecting rod 501, the lower surface of the connecting rod 501 is fixedly connected to the second fixed rod 502, the lower surface of the second fixed rod 502 is fixedly connected to the first slider 503, the upper surface of the mounting platform 1 is fixedly connected to the first slide rail 504, and the interior of the first slider 503 is slidably connected to the outer wall of the first slide rail 504. Since the connecting shaft 5 is used to drive the connecting rod 501 and the second fixed rod 502 to move left and right, the first slider 503 can be moved along the angle of the first slide rail 504, so that the human model on the rotating disk 6 simulates the left and right movement of the human body when testing the seat belt, thereby making the monitoring angle different.
[0034] Preferably, the clamping mechanism includes a rotating disk 6, the upper surface of the connecting shaft 5 is fixedly connected to the rotating disk 6, the left and right sides of the upper surface of the rotating disk 6 are fixedly connected to the second slide rails 601, the interior of the rotating disk 6 is rotatably connected to the rotating shaft 602, the outer wall of the rotating shaft 602 is fixedly connected to the placement disk 603, the interior of the placement disk 603 is provided with a guide groove 604, the upper surface of the second slide rail 601 is slidably connected to the second slider 605, the upper surface of the second slider 605 is fixedly connected to the second guide rod 606, the upper surface of the second guide rod 606 is fixedly connected to the clamping block 607, due to the adoption of the clamping mechanism, the transmission mechanism and the clamping mechanism cooperate to clamp safety belts with human body models of different sizes, and the guide groove 604 inside the placement disk 603 can enable the second guide rod 606 to move along the angle of the guide groove 604 while rotating.
[0035] Preferably, the transmission mechanism includes an air pump 7, the lower surface of the rotating disk 6 is fixedly connected to the air pump 7, the output end on one side of the air pump 7 is fixedly connected to the air rod 701, the output end on one side of the air rod 701 is fixedly connected to the fixed block 702, the internal movably connected to the movable shaft 703, the left and right sides of the movable shaft 703 are fixedly connected to the connecting plates 704, one side of the connecting plate 704 is fixedly connected to the tooth plate 705, one side of the tooth plate 705 is meshedly connected to the connecting gear 706, and the connecting gear 706 is fixedly connected to the outer wall of the rotating shaft 602, and the air pump 7 drives the air rod 701 to extend and retract, thereby driving the fixed block 702, the movable shaft 703 and the connecting plate 704 to move forward and backward, so that the tooth plate 705 is meshed with the connecting gear 706, thereby causing the rotating shaft 602 to rotate.
[0036] Preferably, the adjustment mechanism includes a first drive motor 2, the interior of the stretching room 103 is fixedly connected to the first drive motor 2, the output end of the upper surface of the first drive motor 2 is fixedly connected to the first rotating shaft 201, the outer wall of the upper surface of the first rotating shaft 201 is fixedly connected to the first rotating gear 202, the left and right sides of the interior of the stretching room 103 are fixedly connected to the first guide rod 203, the outer wall of the first guide rod 203 is fixedly connected to the second rotating gear 204, and the first rotating gear 202 and the second rotating gear 204 are meshed with each other, and the outer wall of the first guide rod 203 is threadedly connected to the stretching plate 205, the lower surface of the stretching plate 205 is fixedly connected to the first fixing rod 206, and the lower surface of the first fixing rod 206 is fixedly connected to the placement seat 207. Due to the use of an adjustment mechanism, the first drive motor 2 drives the first rotating shaft 201 and the first rotating gear 202 to rotate, thereby engaging with the second rotating gear 204, so that the first guide rod 203 is rotated, so that the stretching plate 205 can be adjusted in height up and down, and cooperates with the first fixing rod 206 and the placement seat 207, and the installation belt passes through the interior of the placement seat 207, so that the installation belt is installed in the placement seat 207.
[0037] Preferably, the stretching mechanism includes an L-shaped plate 3, and the left and right sides of the upper surface of the mounting platform 1 are fixedly connected with the L-shaped plate 3, one side of the L-shaped plate 3 is fixedly connected to the second driving motor 301, the output end of one side of the second driving motor 301 is fixedly connected to the second rotating shaft 302, the outer wall of the second rotating shaft 302 is threadedly connected to the adjusting rod 303, one side of the adjusting rod 303 is provided with a mounting groove 304, the interior of the mounting groove 304 is fixedly connected with a press-type lock buckle 305, the interior of the press-type lock buckle 305 is movably connected with an annular buckle 306, and the annular buckle 306 is movably connected to the annular buckle 306. One side of the shaped buckle 306 is fixedly connected to an inclined panel 307, and one side of the inclined panel 307 is fixedly connected to a hook 308. A stretching mechanism is adopted, and the second drive motor 301 drives the second rotating shaft 302 to rotate, so that the adjusting rod 303 and the second rotating shaft 302 are threadedly slid. The push-type lock buckle 305 is adopted to enable the inclined panel 307 to be quickly disassembled, so that it can be installed according to the curvature of the seat belt, and the hook 308 can stretch the installation belt at different angles, thereby simulating test data at different angles.
[0038] When the present invention is used, the human body model with the safety belt is first placed on the placement plate 603. From the placement plate 603, the air pump 7 is activated, driving the air rod 701 to extend and retract, and the fixed block 702 moves accordingly, so that the movable shaft 703 drives the connecting plates 704 fixed on the left and right sides to move forward and backward, thereby driving the tooth plate 705 to engage with the connecting gear 706 for transmission, thereby driving the clamping mechanism to move;
[0039] The rotating disk 6 is connected to the driving mechanism via the connecting shaft 5 and rotates with the connecting shaft 5. The placement disk 603 is fixedly connected to the rotating shaft 602 that is rotatably connected inside the rotating disk 6. The rotation of the rotating shaft 602 drives the placement disk 603 to rotate. When the placement disk 603 rotates, the second slider 605 slides on the second slide rail 601, thereby driving the second guide rod 606 and the clamping block 607 to move.
[0040] The servo motor 404 is started, and the output end of the servo motor 404 drives the third rotating shaft 405 to rotate, thereby rotating the second meshing gear 406 on the upper surface of the third rotating shaft 405, so that the second meshing gear 406 rotates with the first meshing gear 403 from the groove 402, thereby driving the arc-shaped sliding mechanism to move;
[0041] When the first meshing gear 403 rotates, the pair of connecting shafts 5 on its upper surface rotate accordingly, thereby causing the connecting shafts 5 to drive the connecting rod 501 to move. The second fixing rod 502 on the lower surface of the connecting rod 501 is connected to the first slider 503, causing the first slider 503 to slide along the first slide rail 504, thereby simulating the lateral tension that the seat belt bears when the human body is hit in the left or right direction;
[0042] The output end of the first driving motor 2 drives the first rotating shaft 201 to rotate, causing the first rotating gear 202 on the upper surface of the first rotating shaft 201 to rotate accordingly. The first rotating gear 202 is meshed with the second rotating gear 204 of the first guide rod 203. The second rotating gear 204 drives the first guide rod 203 to rotate, and the first guide rod 203 causes the stretching plate 205 to move up and down accordingly through a threaded connection. The first fixing rod 206 fixed on the lower surface of the stretching plate 205 drives the placement seat 207 to move up and down, thereby adjusting the stretching height to meet the needs of different test scenarios. The safety belt will pass through the interior of the placement seat 207 and be fixed in the placement seat 207;
[0043] The output end of the second drive motor 301 drives the second rotating shaft 302 to rotate, and the adjusting rod 303 threadedly connected to the second rotating shaft 302 slides with the second rotating shaft 302, and the annular buckle 306 is aligned with the inside of the push-type lock buckle 305 for installation, so that the inclined panel 307 can be quickly disassembled and can be installed according to the curvature of the seat belt, and the hook 308 stretches the seat belt at different angles to simulate test data at different angles.
[0044] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0045] The present invention is not limited to the above optional embodiments. Anyone can derive various other forms of products based on the teachings of the present invention. The above specific embodiments should not be construed as limiting the scope of protection of the present invention. The scope of protection of the present invention shall be based on the scope defined in the claims, and the description can be used to interpret the claims.
Claims
1. A vehicle safety belt tensile strength testing device, comprising: A mounting platform (1), wherein the upper surface of the mounting platform (1) is fixedly connected to a support plate (101), one side of the support plate (101) is fixedly connected to a fence (102), and the upper surface of the mounting platform (1) is fixedly connected to a stretching room (103), characterized in that a driving mechanism, an arc-shaped sliding mechanism, a clamping mechanism, a transmission mechanism and an adjustment mechanism are sequentially arranged inside the stretching room (103) from bottom to top, and a stretching mechanism is arranged on the upper surface of the mounting platform (1); The driving mechanism comprises a mounting rod (4), the upper surface of the mounting platform (1) is fixedly connected to the mounting rod (4), the upper surface of the mounting rod (4) is fixedly connected to a mounting bracket (401), the inner wall of the mounting bracket (401) is provided with a groove (402), the interior of the mounting bracket (401) is movably connected to a first meshing gear (403), the upper surface of the mounting platform (1) is fixedly connected to a servo motor (404), and the servo motor (404) is arranged inside the stretching room (103), the output end of the upper surface of the servo motor (404) is fixedly connected to a third rotating shaft (405), the outer wall of the third rotating shaft (405) is fixedly connected to a second meshing gear (406), and the second meshing gear (406) and the first meshing gear (403) are meshed with each other.
2. The vehicle safety belt tensile strength testing device according to claim 1, characterized in that: The arc-shaped sliding mechanism comprises a connecting shaft (5), a pair of connecting shafts (5) are fixedly connected to the upper surface of the first meshing gear (403), a connecting rod (501) is movably connected to the outer wall of the upper surface of the connecting shaft (5), a second fixed rod (502) is fixedly connected to the lower surface of the connecting rod (501), a first sliding block (503) is fixedly connected to the lower surface of the second fixed rod (502), the first sliding rail (504) is fixedly connected to the upper surface of the mounting platform (1), and the interior of the first sliding block (503) is slidably connected to the outer wall of the first sliding rail (504).
3. The vehicle safety belt tensile strength testing device according to claim 2, characterized in that: The clamping mechanism comprises a rotating disk (6), the upper surface of the connecting shaft (5) is fixedly connected to the rotating disk (6), the left and right sides of the upper surface of the rotating disk (6) are fixedly connected to second slide rails (601), the interior of the rotating disk (6) is rotatably connected to the rotating shaft (602), the outer wall of the rotating shaft (602) is fixedly connected to a placement disk (603), a guide groove (604) is provided inside the placement disk (603), the upper surface of the second slide rail (601) is slidably connected to a second slider (605), the upper surface of the second slider (605) is fixedly connected to a second guide rod (606), and the upper surface of the second guide rod (606) is fixedly connected to a clamping block (607).
4. The vehicle safety belt tensile strength testing device according to claim 3, characterized in that: The transmission mechanism comprises an air pump (7), the lower surface of the rotating disk (6) is fixedly connected to the air pump (7), the output end of one side of the air pump (7) is fixedly connected to an air rod (701), the output end of one side of the air rod (701) is fixedly connected to a fixed block (702), the interior of the fixed block (702) is movably connected to a movable shaft (703), the left and right sides of the movable shaft (703) are fixedly connected to connecting plates (704), one side of the connecting plate (704) is fixedly connected to a latch plate (705), one side of the latch plate (705) is meshedly connected to a connecting gear (706), and the connecting gear (706) is fixedly connected to the outer wall of the rotating shaft (602).
5. The vehicle safety belt tensile strength testing device according to claim 1, characterized in that: The adjustment mechanism comprises a first driving motor (2), the interior of the stretching room (103) is fixedly connected to the first driving motor (2), the output end of the upper surface of the first driving motor (2) is fixedly connected to a first rotating shaft (201), the outer wall of the upper surface of the first rotating shaft (201) is fixedly connected to a first rotating gear (202), the left and right sides of the interior of the stretching room (103) are fixedly connected to first guide rods (203), the outer wall of the first guide rod (203) is fixedly connected to a second rotating gear (204), and the first rotating gear (202) and the second rotating gear (204) are meshed and connected with each other, the outer wall of the first guide rod (203) is threadedly connected to a stretching plate (205), the lower surface of the stretching plate (205) is fixedly connected to a first fixing rod (206), and the lower surface of the first fixing rod (206) is fixedly connected to a placement seat (207).
6. The vehicle safety belt tensile strength testing device according to claim 1, characterized in that: The stretching mechanism comprises an L-shaped plate (3), the left and right sides of the upper surface of the mounting platform (1) are fixedly connected with the L-shaped plate (3), one side of the L-shaped plate (3) is fixedly connected with a second driving motor (301), the output end of one side of the second driving motor (301) is fixedly connected with a second rotating shaft (302), the outer wall of the second rotating shaft (302) is threadedly connected with an adjusting rod (303), one side of the adjusting rod (303) is provided with a mounting groove (304), the interior of the mounting groove (304) is fixedly connected with a press-type lock buckle (305), the interior of the press-type lock buckle (305) is movably connected with an annular buckle (306), one side of the annular buckle (306) is fixedly connected with an inclined panel (307), and one side of the inclined panel (307) is fixedly connected with a hook (308).