CN112964560A - Durable tensile test mechanism of car blet - Google Patents
Durable tensile test mechanism of car blet Download PDFInfo
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- CN112964560A CN112964560A CN202110125152.4A CN202110125152A CN112964560A CN 112964560 A CN112964560 A CN 112964560A CN 202110125152 A CN202110125152 A CN 202110125152A CN 112964560 A CN112964560 A CN 112964560A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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Abstract
The invention discloses a durable tensile testing mechanism for an automobile safety belt, which comprises a first mounting frame, a first air cylinder and a second air cylinder which are arranged on the first mounting frame, a first connecting plate arranged on a piston rod of the first air cylinder, and a second connecting plate arranged on a piston rod of the second air cylinder, wherein a second mounting frame is arranged on the side wall of the first mounting frame, an opening corresponding to the first mounting frame is formed in the side wall of the first mounting frame, a plurality of material loading blocks are arranged in the second mounting frame, a first sliding block is arranged on each material loading block, a first sliding groove matched with the first sliding block is formed in the inner wall of the second mounting frame, second sliding grooves corresponding to the first sliding grooves are respectively formed in the first connecting plate and the second connecting plate, and a first push rod used for pushing the material loading blocks to move is arranged on the second mounting frame.
Description
Technical Field
The invention belongs to the technical field of automobile testing, and particularly relates to an automobile safety belt durability and tension testing mechanism.
Background
The automobile seat belt is a safety device for restraining a passenger in a collision, and for avoiding a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in the collision or a crash injury caused by the passenger being out of the vehicle in the collision. A vehicle seat belt, also known as a seat belt, is one type of occupant restraint device. The automobile seat belt is the most inexpensive and effective safety device recognized, and the seat belt is mandatory in many countries in the vehicle.
Automobile safety belt on the present market weaves by the fabric and forms, but automobile safety belt on the present market all does not carry out the tensile strength test after production is accomplished, so, can't know whether automobile safety belt can satisfy certain tensile breaking ability to can make automobile safety belt's quality can't guarantee, consequently, the automobile safety belt tensile strength testing arrangement that can test automobile safety belt tensile strength of a section of urgent need research and development.
Disclosure of Invention
The invention provides a mechanism for testing the durable tension of an automobile safety belt, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a durable tensile test mechanism for an automobile safety belt comprises a first mounting frame, a first air cylinder and a second air cylinder which are arranged on the first mounting frame, a first connecting plate arranged on a piston rod of the first air cylinder, and a second connecting plate arranged on a piston rod of the second air cylinder, wherein a second mounting frame is arranged on the side wall of the first mounting frame, an opening corresponding to the first mounting frame is formed in the side wall of the first mounting frame, a plurality of material loading blocks are arranged in the second mounting frame, first sliding blocks are arranged on the material loading blocks, a first sliding groove matched with the first sliding blocks is formed in the inner wall of the second mounting frame, second sliding grooves corresponding to the first sliding grooves are formed in the first connecting plate and the second connecting plate respectively, and a first push rod used for pushing the material loading blocks to move is arranged on the second mounting frame; when the safety belt is tested, the safety belt to be tested is placed on a material loading block, and two ends of the safety belt are fixed on the material loading block; after the safety belt is placed, the first air cylinder pushes the first connecting plate to move, the second air cylinder pushes the second connecting plate to move, the first connecting plate and the second connecting plate move to the opening position, the second chute is aligned with the first chute, the first push rod pushes the material loading block to move, the material loading block moves towards the first mounting frame, the first sliding block enters the second chute, the material loading block is fixed on the first connecting plate and the second connecting plate under the matching of the first sliding block and the second chute, the first push rod drives the rest material loading blocks to move back, only one group of material loading blocks is fixed on the first connecting plate and the second connecting plate, and only one safety belt is tested at a time; after the loading block is fixed on the first connecting plate and the second connecting plate, the second cylinder drives the second connecting plate to move downwards, the second connecting plate moves downwards to enable the safety belt to be in a tightening state, then the first cylinder drives the first connecting plate to move upwards, and the safety belt is tested after being stretched; after the test of one safety belt is finished, the first push rod pushes the material loading block to move towards the first mounting frame again, the material loading block moved from the second mounting frame to the first mounting frame pushes the material loading block on the first connecting plate and the material loading block on the second connecting plate to move, the tested material loading block is pushed out from the first connecting plate and the second connecting plate, the test of the next safety belt can be carried out, and the detection efficiency of the safety belt is improved; through the setting of material loading piece, make many safety belts that await measuring can place earlier on the material loading piece, accomplish the alternative of the safety belt that awaits measuring through the removal of material loading piece afterwards, very big reduction safety belt's the fixed degree of difficulty is to going on in succession the test operation of safety belt, and the test of safety belt becomes more simple and convenient.
The first push rod is provided with a first electromagnet, one side of the material loading block is provided with a first connecting block, the other side of the material loading block is provided with a connecting groove matched with the first connecting block, the inner wall of the second mounting frame is also provided with a third sliding groove matched with the first sliding block, the inner wall of the first mounting frame is provided with a first movable groove matched with the material loading block, the first mounting frame is internally provided with a second connecting block, and the second connecting block is provided with a fourth sliding groove used for communicating the first movable groove with the third sliding groove; a second push rod penetrates through the side wall of one side of the first movable groove, and a third push rod penetrates through the side wall of the other side of the first movable groove.
A plurality of second movable grooves are formed in the first connecting block, a first limiting spring is arranged in each second movable groove, a first limiting block is arranged on each first limiting spring, and a chute is formed in each first limiting block; be equipped with a plurality of third movable grooves on the spread groove inner wall, be equipped with first connecting spring in the third movable groove, first connecting spring one end is equipped with first ejector pad, works as first slider enters into back in the second spout, first stopper is past remove in the second movable groove, first ejector pad is past remove outside the third movable groove.
A first movable cavity communicated with the second movable groove is formed in the material carrying block, a first connecting rod is arranged in the first movable cavity, a first connecting rope is arranged on the first connecting rod, one end of the first connecting rope is fixedly connected to a first limiting block, a third connecting plate is arranged at one end of the first connecting rod, a second connecting spring is arranged on the third connecting plate, a fourth movable groove is formed in the top of the first movable cavity, a second connecting rod matched with the fourth movable groove is arranged on the third connecting plate, and a first push plate is arranged on the second connecting rod; the material loading block is provided with a fifth movable groove, a supporting spring is arranged in the fifth movable groove, and a second push plate is arranged on the supporting spring.
A sixth movable groove is formed in the top of the second sliding groove, a third connecting block is arranged in the sixth movable groove, a third connecting spring is arranged on the third connecting block, a third push plate is rotatably connected to the bottom of the third connecting block, and a torsion spring is arranged at the connecting position of the third push plate and the third connecting block; the fourth movable groove is arranged on the side wall of the sixth movable groove, an eighth movable groove is arranged on one side of the sixth movable groove, the eighth movable groove penetrates through the seventh movable groove, a baffle matched with the seventh movable groove is arranged on the third connecting block, a fourth connecting spring is arranged in the eighth movable groove, and a fourth push plate matched with the second push plate is arranged at the bottom of the fourth connecting spring.
A material storage groove is formed in the material carrying block, a fifth sliding groove is formed in the inner wall of the material storage groove, a fixed block is arranged in the material carrying groove, a second sliding block matched with the fifth sliding groove is arranged on the side wall of the fixed block, a first air bag is arranged in the fifth sliding groove, a fourth connecting plate is arranged on one side of the first air bag, and a plurality of ratchets are arranged on the fourth connecting plate; and a third sliding block is arranged on the fourth connecting plate, a sixth sliding groove matched with the third sliding block is arranged on the inner wall of the fifth sliding groove, and a second reset spring is arranged on the third sliding block.
The improved pneumatic conveying device is characterized in that a cavity is formed in the fixed block, a first fixed film is arranged at the top of the cavity, a second fixed film is arranged at the top of the material carrying groove, a first gas storage cavity communicated with the first gas bag is formed in the material carrying block, a fifth push plate is arranged in the first gas storage cavity, a ninth movable groove is formed in one side of the first gas storage cavity, a fifth connecting plate is arranged on the fifth push plate and penetrates through the ninth movable groove, a sixth connecting plate is arranged at the bottom of the fifth connecting plate, and a third reset spring is arranged on the sixth connecting plate.
A tenth movable groove is formed in the first sliding block, a first driving wheel and a second driving wheel are arranged in the tenth movable groove, the two groups of first driving wheels are respectively arranged on two sides of the second driving wheel, a connecting ring is arranged on the first driving wheel, an eleventh movable groove matched with the connecting ring is formed in the inner wall of the tenth movable groove, a third connecting rod is arranged in the tenth movable groove, a sixth connecting plate is arranged on the third connecting rod, and a ring groove matched with the sixth connecting plate is formed in the second driving wheel; the top of the material loading groove is provided with a second air storage cavity, the second fixing film is communicated with the second air storage cavity, and when the material loading block moves towards the inside of the first mounting frame, air flow in the second air storage cavity flows towards the inside of the second fixing film.
A twelfth movable groove communicated with the second air storage cavity is formed in the side wall of the tenth movable groove, a fourth push rod is arranged in the twelfth movable groove, and the fourth push rod is in transmission fit with the second transmission wheel; the first driving wheel is provided with a through hole, the second driving wheel is provided with a groove, the second driving wheel is provided with a connecting pipe matched with the groove, a fifth connecting spring is arranged in the groove, one end of the fifth connecting spring is provided with a fourth connecting rod, the fourth connecting rod is in rotation-stopping fit with the inner wall of the connecting pipe, the fourth connecting rod is provided with a third driving wheel, and the inner wall of the through hole is provided with a first driving tooth in transmission fit with the third driving wheel; and a second transmission gear in transmission fit with the first transmission wheel is arranged at the top of the first sliding groove.
A thirteenth movable groove is formed in the inner wall of the tenth movable groove, a sixth connecting spring is arranged in the thirteenth movable groove, a second push block is arranged at one end of the sixth connecting spring, a rotation stopping groove matched with the second push block is formed in the third driving wheel, a second limiting block is arranged in the thirteenth movable groove, a second limiting spring is arranged on the second limiting block, a fourteenth movable groove is formed in the inner wall of the twelfth movable groove, a fifth push rod is arranged in the fourteenth movable groove, a first reset spring is arranged on the fifth push rod, a sealing plate is further arranged on the fifth push rod, a fifteenth movable groove matched with the sealing plate is formed in the fourteenth movable groove, a second connecting rope is arranged on the fifth push rod, and one end of the second connecting rope is fixedly connected to the second limiting block; a fifteenth movable groove communicated with the thirteenth movable groove is formed in the side wall of the first sliding block, a third pushing block is arranged in the fifteenth movable groove, a third connecting rope is arranged on the third pushing block, and one end of the third connecting rope is fixedly connected to the second pushing block; and a sixteenth movable groove matched with the third pushing block is formed in the inner wall of the first sliding groove, a seventeenth movable groove matched with the third pushing block is formed in the inner wall of the third sliding groove, and a fourth pushing block is arranged on the inner wall of the seventeenth movable groove.
The invention has the following advantages: through the setting of material loading piece, make many safety belts that await measuring can place earlier on the material loading piece, accomplish the alternative of the safety belt that awaits measuring through the removal of material loading piece afterwards, very big reduction safety belt's the fixed degree of difficulty is to going on in succession the test operation of safety belt, and the test of safety belt becomes more simple and convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a cross-sectional view taken along H-H in fig. 2.
Fig. 6 is an enlarged view of fig. 5 at B.
Fig. 7 is a cross-sectional view taken along line I-I in fig. 2.
Fig. 8 is an enlarged view of fig. 7 at C.
Fig. 9 is a right side view of the present invention.
Fig. 10 is a cross-sectional view taken along line E-E of fig. 9.
Fig. 11 is an enlarged view of fig. 10 at D.
Fig. 12 is a cross-sectional view taken along J-J in fig. 9.
Fig. 13 is an enlarged view of fig. 12 at E.
Fig. 14 is an enlarged view of fig. 12 at F.
Fig. 15 is an enlarged view at G in fig. 14.
Fig. 16 is a cross-sectional view taken along F-F in fig. 9.
Fig. 17 is an enlarged view at H in fig. 16.
Fig. 18 is an enlarged view at I in fig. 16.
Fig. 19 is an enlarged view at J in fig. 18.
Fig. 20 is a cross-sectional view taken along G-G in fig. 9.
Fig. 21 is an enlarged view at K in fig. 20.
Detailed Description
As shown in fig. 1-21, a mechanism for testing the durable tension of an automobile safety belt comprises a first mounting frame 1, a first cylinder 3 arranged on the first mounting frame 1, a second cylinder 4, a first connecting plate 31 arranged on the piston rod of the first cylinder 3, and a second connecting plate 41 arranged on the piston rod of the second cylinder 4, a second mounting frame 11 is arranged on the side wall of the first mounting frame 1, an opening corresponding to the first mounting frame 1 is arranged on the side wall of the first mounting frame 1, a plurality of material loading blocks 2 are arranged in the second mounting frame 11, a first slide block 21 is arranged on each material loading block 2, a first sliding groove matched with the first sliding block 21 is arranged on the inner wall of the second mounting frame 11, the first connecting plate 31 and the second connecting plate 41 are respectively provided with a second sliding slot corresponding to the first sliding slot, the second mounting frame 11 is provided with a first push rod 12 for pushing the loading block 2 to move; when the safety belt is tested, the safety belt to be tested is placed on a material loading block, and two ends of the safety belt are fixed on the material loading block; after the safety belt is placed, the first air cylinder pushes the first connecting plate to move, the second air cylinder pushes the second connecting plate to move, the first connecting plate and the second connecting plate move to the opening position, the second chute is aligned with the first chute, the first push rod pushes the material loading block to move, the material loading block moves towards the first mounting frame, the first sliding block enters the second chute, the material loading block is fixed on the first connecting plate and the second connecting plate under the matching of the first sliding block and the second chute, the first push rod drives the rest material loading blocks to move back, only one group of material loading blocks is fixed on the first connecting plate and the second connecting plate, and only one safety belt is tested at a time; after the loading block is fixed on the first connecting plate and the second connecting plate, the second cylinder drives the second connecting plate to move downwards, the second connecting plate moves downwards to enable the safety belt to be in a tightening state, then the first cylinder drives the first connecting plate to move upwards, and the safety belt is tested after being stretched; after the test of one safety belt is finished, the first push rod pushes the material loading block to move towards the first mounting frame again, the material loading block moved from the second mounting frame to the first mounting frame pushes the material loading block on the first connecting plate and the material loading block on the second connecting plate to move, the tested material loading block is pushed out from the first connecting plate and the second connecting plate, the test of the next safety belt can be carried out, and the detection efficiency of the safety belt is improved; through the setting of material loading piece, make many safety belts that await measuring can place earlier on the material loading piece, accomplish the alternative of the safety belt that awaits measuring through the removal of material loading piece afterwards, very big reduction safety belt's the fixed degree of difficulty is to going on in succession the test operation of safety belt, and the test of safety belt becomes more simple and convenient.
A first electromagnet is arranged on the first push rod 12, a first connecting block is arranged on one side of the material loading block 2, a connecting groove matched with the first connecting block is arranged on the other side of the material loading block, a third sliding groove matched with the first sliding block 21 is further arranged on the inner wall of the second mounting frame 11, a first movable groove matched with the material loading block 2 is arranged on the inner wall of the first mounting frame 1, a second connecting block 17 is arranged in the first mounting frame, and a fourth sliding groove used for communicating the first movable groove with the third sliding groove is arranged on the second connecting block 17; a second push rod 13 penetrates through the side wall of one side of the first movable groove, a third push rod 14 penetrates through the side wall of the other side of the first movable groove, a sixth push rod 15 is arranged on the side wall of the second mounting frame, a connecting cavity for communicating the first sliding groove and the third sliding groove is formed in the inner wall of the second mounting frame, and the sixth push rod is arranged on one side of the connecting cavity; when the safety belt to be tested is placed, the safety belt to be tested is lowered to be sequentially placed on the material loading blocks close to the first mounting frame, after the safety belt is placed, the first push rod pushes the material loading blocks to move, adjacent material loading blocks are contacted, the first connecting block is inserted into the connecting groove, the adjacent material loading blocks are in connecting fit under the matching of the first connecting block and the connecting groove, and all the material loading blocks can be driven to move when the first push rod pushes one material loading block to move so that the material loading block closest to the first mounting frame is pushed into the first mounting frame; after the loading block is fixed on the first connecting plate and the second connecting plate, the first air cylinder and the second air cylinder work to test the safety belt; after the safety belt test is finished, the first push rod pushes the material loading block to move into the first mounting frame again, so that the material loading block moving into the first connecting frame in the second connecting frame pushes the material loading blocks on the first connecting plate and the second connecting plate to move forwards, the material loading blocks on the first connecting plate and the second connecting plate are pushed into the first movable groove, and a new material loading block is pushed onto the first connecting plate and the second connecting plate so as to test the next safety belt; the second push rod pushes the material loading block in the first movable groove to move towards one end of the first movable groove, the third push rod pushes the material loading block to move towards the outer side of the first movable groove after the material loading block moves to the other end of the first movable groove, the material loading block moves from the fourth sliding groove to the third sliding groove, the material loading block stops after moving to one side of the connecting cavity, when the first push rod pushes the material loading block in the first sliding groove to move, the sixth push rod pushes the material loading block in the third sliding groove to move towards the first sliding groove, the material loading block abuts against the first push rod, when the first push rod moves back, the first electromagnet is electrified to generate magnetic force, when the first push rod moves back under the action of the magnetic force, the material loading block is pulled to move back, and the reset of the material loading block is completed; when the material loading block originally in the first chute moves back to abut against the material loading block entering the first chute from the third chute, the first electromagnet is powered off, the first push rod moves relative to the material loading block, and the sixth push rod continues to drag the material loading block in the third chute to move, so that the material loading block in the third chute completely enters the first chute, the resetting of the material loading block is completed, the quantity of the material loading blocks in the second mounting frame is ensured to be constant all the time, and the material loading blocks are recycled.
A plurality of second movable grooves are formed in the first connecting block, a first limiting spring 2301 is arranged in each second movable groove, a first limiting block 230 is arranged on each first limiting spring 2301, and a chute is arranged on each first limiting block 230; a plurality of third movable grooves are formed in the inner wall of the connecting groove, a first connecting spring 220 is arranged in each third movable groove, a first push block 2201 is arranged at one end of each first connecting spring 220, when the first sliding block 21 enters the second sliding groove, the first limiting block 230 moves into the second movable groove, and the first push block 2201 moves out of the third movable groove; when two adjacent material loading blocks are contacted, the first connecting block on one material loading block is inserted into the connecting groove on the other material loading block, and the first connecting block can be normally inserted into the connecting groove under the arrangement of the chute; after the first connecting block is inserted into the connecting groove, the first limiting spring pushes the first limiting block to extend out of the second movable groove, and the first limiting block abuts against the inner wall of the connecting groove, so that the two adjacent material loading blocks are connected and matched, and all the material loading blocks in the first sliding groove synchronously move; first slider enters into the second spout after, first stopper removes toward the second movable groove, make this year material piece and the year material piece of front end throw off the contact, first ejector pad removes toward the third movable groove outside simultaneously, first ejector pad promotes first stopper and removes toward the second movable groove, make this year material piece and the year material piece of rear end throw off the contact, so that will carry the material piece alone and fix on first connecting plate and second connecting plate, accomplish the material loading operation of safety belt, realize the automatic material loading in turn of safety belt, reduce the test degree of difficulty to the safety belt.
A first movable cavity communicated with the second movable groove is formed in the material loading block 2, a first connecting rod 240 is arranged in the first movable cavity, a first connecting rope is arranged on the first connecting rod 240, one end of the first connecting rope is fixedly connected to the first limiting block 230, a third connecting plate 2401 is arranged at one end of the first connecting rod 240, a second connecting spring 2402 is arranged on the third connecting plate 2401, a fourth movable groove is formed in the top of the first movable cavity, a second connecting rod matched with the fourth movable groove is arranged on the third connecting plate 2401, and a first push plate is arranged on the second connecting rod; a fifth movable groove is formed in the material loading block 2, a supporting spring 2601 is arranged in the fifth movable groove, a second push plate 260 is arranged on the supporting spring 2601, a second air bag communicated with the third movable groove is arranged in the fifth movable groove, and the side wall of the fifth movable groove is communicated with the outer side of the material loading block; the first sliding block enters the second sliding groove, the first push plate moves towards the first sliding block, the first push plate drives the third connecting plate to move, the first connecting rod moves along with the third connecting plate, the first connecting rod pulls the first connecting rope to move, the first connecting rope pulls the first limiting block to move towards the second movable groove, and the first limiting block enters the second movable groove and then is separated from the material carrying block at the front end to be connected and matched; the second push pedal moves down when the first slider enters the second chute, the space in the second air bag is extruded when the second push pedal moves down, the air in the second air bag enters the third movable groove under the action of the second push pedal, the first push block is pushed to move towards the outer side of the third movable groove under the action of air pressure, the first limiting block on the first connecting block in the connecting groove is pushed to move towards the second movable groove when the first push block moves, the first connecting block can be directly moved out from the connecting groove, and therefore the material carrying block is separated from the connecting and matching with the material carrying block at the rear end, the group of material carrying blocks are fixed on the first connecting plate and the second connecting plate independently, and the test of the safety belt is completed.
A sixth movable groove is formed in the top of the second sliding groove, a third connecting block 32 is arranged in the sixth movable groove, a third connecting spring 323 is arranged on the third connecting block 32, a third push plate 322 is rotatably connected to the bottom of the third connecting block 32, and a torsion spring is arranged at the connecting position of the third push plate 322 and the third connecting block 32; a seventh movable groove is formed in the side wall of the sixth movable groove, an eighth movable groove is formed in one side of the sixth movable groove, the eighth movable groove penetrates through the seventh movable groove, a baffle 321 matched with the seventh movable groove is arranged on the third connecting block 32, a fourth connecting spring 331 is arranged in the eighth movable groove, a fourth push plate 33 matched with the second push plate 260 is arranged at the bottom of the fourth connecting spring 331, a fourth connecting rope is arranged on the third connecting block, and one end of the fourth connecting rope is fixedly connected to a fourth withdrawing bar; after the first sliding block enters the second sliding groove, the first push plate abuts against the side wall of the third push plate, the first push plate moves towards the first sliding block when the material loading block moves forwards, the first push plate drives the first connecting rod to move when moving, and the second limiting block moves along with the first connecting rod and enters the second movable groove; after the first push plate abuts against the side wall of the first sliding block, the first push plate pushes the third connecting block to move in the sixth movable groove, the third connecting block moves the baffle together, after the baffle is removed from the bottom of the eighth movable groove, the fourth connecting spring pushes the fourth push plate to move downwards, the second push plate is positioned below the fourth push plate at the moment, the fourth push plate pushes the second push plate to move downwards, the second push plate moves towards the bottom of the fifth movable groove, the second push plate pushes air in the second air bag into the third movable groove, the first push plate pushes the first limiting block positioned in the connecting groove to move towards the second movable groove, and the first push rod can drive the rest material carrying blocks to move back when moving back; after the first safety belt is tested, the first cylinder and the second cylinder push the first connecting plate and the second connecting plate to move towards the opening direction, the first connecting plate and the second connecting plate move to the opening position, the first push rod pushes the material loading block in the second mounting frame to move towards the first mounting frame, the material loading block in the second mounting frame moves towards the first mounting frame, the material loading block entering from the second mounting frame pushes the material loading block on the first connecting plate and the second connecting plate to move, the material loading block originally positioned on the first connecting plate and the second connecting plate moves towards the first movable groove, the first slide block originally positioned in the second slide groove continuously pushes the third connecting block to move, the fourth connecting rope is pulled to move when the third connecting block moves, the fourth connecting rope pulls the fourth push plate to move upwards, the first push plate pushes the third push plate to turn after the third connecting block moves to the position where the third connecting plate cannot move, the first sliding block slides out of the second sliding groove, the third connecting spring pushes the third connecting block to move back, the baffle descends to the bottom of the fourth push plate before the fourth push plate moves, supporting force is provided for the fourth push plate, the first sliding block on the new material loading block moves to the third push plate, the first sliding block moves to push the third connecting block to move, the fourth push plate stretches out to push the second push plate to move down after the baffle is moved away from the bottom of the fourth push plate, the material loading block at the front end is located in the first movable groove at the moment, the first push rod moves back after the first electromagnet is powered on, the first push rod drives the material loading block to move back into the second mounting frame, and therefore safety belts fixed on the material loading blocks on the first connecting plate and the second connecting plate can be tested.
A storage chute is arranged on the material loading block 2, a fifth chute is arranged on the inner wall of the storage chute, a fixed block 22 is arranged in the material loading chute, a second slider 222 matched with the fifth chute is arranged on the side wall of the fixed block 22, a first air bag 210 is arranged in the fifth chute, a fourth connecting plate 29 is arranged on one side of the first air bag 210, and a plurality of ratchets are arranged on the fourth connecting plate 29; a third sliding block 291 is arranged on the fourth connecting plate 29, a sixth sliding groove matched with the third sliding block 291 is arranged on the inner wall of the fifth sliding groove, and a second return spring 292 is arranged on the third sliding block 291; when the safety belt to be tested is placed on the material loading block, one end of the safety belt is placed in the material storage tank, the fixing block is pushed upwards, the fixing block moves upwards to the top position of the material storage tank, the safety belt is clamped at the positions of the fixing block and the top position of the material loading tank, and the safety belt is regulated by utilizing the mutual matching of the fixing block and the material loading tank; under the arrangement of the ratchet, the fixed block can only move upwards but not move downwards, so that the fixing effect of the fixed block on the safety belt is improved; the first air bag provides supporting force for the fourth connecting plate, and the fourth connecting plate and the second sliding block are guaranteed to be in a contact state, so that the fixing block is fixed.
A cavity is formed in the fixing block 22, a first fixing film 221 is arranged at the top of the cavity, a second fixing film 23 is arranged at the top of the material loading groove, the first fixing film and the second fixing film are made of rubber, a first gas storage cavity communicated with the first gas bag 210 is arranged on the material loading block 2, a fifth push plate 24 is arranged in the first gas storage cavity, a ninth movable groove is arranged on one side of the first gas storage cavity, a fifth connecting plate 241 is arranged on the fifth push plate 24, the fifth connecting plate 241 is arranged in the ninth movable groove in a penetrating mode, a sixth connecting plate 242 is arranged at the bottom of the fifth connecting plate 241, and a third reset spring 243 is arranged on the sixth connecting plate 242; when the safety belt is fixed on the material loading block, the sixth connecting plate is pushed to one side of the ninth movable groove and drives the fifth push plate to move to one side of the first air storage cavity, the fifth push plate generates an air suction effect in the first air storage cavity when moving, air in the first air bag is sucked into the first air storage cavity, the first air bag contracts under the action of self elasticity, the fourth connecting plate moves back under the action of the second return spring after losing the supporting force, the fourth connecting plate is separated from the second sliding block, and the fixing block moves downwards after losing the supporting force, so that a larger space is reserved between the fixing block and the top surface of the material storage groove, and one end of the safety belt is placed into the material storage groove; after safety belt one end was put into the stock chest, on releasing the sixth connecting plate, up promoted the fixed block, the fixed block up moved, and the safety belt is fixed the safety belt by the fixed membrane of the first fixed membrane of centre gripping and second between the fixed membrane, utilizes the fixed membrane of first fixed membrane and second to fix the safety belt, accomplishes the fixed of safety belt.
A tenth movable groove is formed in the first slider 21, a first driving wheel 25 and a second driving wheel 26 are arranged in the tenth movable groove, two groups of first driving wheels 25 are respectively arranged on two sides of the second driving wheel 26, a connecting ring 251 is arranged on the first driving wheel 25, an eleventh movable groove matched with the connecting ring 251 is arranged on the inner wall of the tenth movable groove, a third connecting rod 250 is arranged in the tenth movable groove, a sixth connecting plate 2501 is arranged on the third connecting rod 250, and an annular groove matched with the sixth connecting plate 2501 is arranged on the second driving wheel 26; a second air storage cavity is formed in the top of the material loading groove, the second fixing film 23 is communicated with the second air storage cavity, and when the material loading block 2 moves into the first mounting frame 1, air flow in the second air storage cavity flows into the second fixing film 23; the safety belt both ends are fixed on the material loading piece after, first push rod promotes the material loading piece and removes toward first installing frame, the material loading piece first drive wheel drives the second drive wheel and rotates when removing, the air current in the second gas storage cavity flows toward the interior of second fixed film, the inflation of second fixed film lateral wall after the air current in the second fixed film increases, the first fixed film of second fixed film extrusion, increase the extrusion force of second fixed film to first fixed film, thereby promote the extrusion force of first fixed film and second fixed film to the safety belt, the fixed effect of effectual promotion fixed block to the safety belt, avoid the safety belt to deviate from the material loading piece when the test.
A twelfth movable groove communicated with the second air storage cavity is formed in the side wall of the tenth movable groove, a fourth push rod 28 is arranged in the twelfth movable groove, and the fourth push rod 28 is in transmission fit with the second transmission wheel 26; a through hole is formed in the first driving wheel 25, a groove is formed in the second driving wheel 26, a connecting pipe 261 matched with the groove is formed in the second driving wheel 26, a fifth connecting spring 262 is arranged in the groove, a fourth connecting rod 263 is arranged at one end of the fifth connecting spring 262, the fourth connecting rod 263 is in rotation stopping fit with the inner wall of the connecting pipe 261, a third driving wheel 264 is arranged on the fourth connecting rod 263, and first driving teeth in transmission fit with the third driving wheel 264 are arranged on the inner wall of the through hole; the top of the first sliding chute is provided with a second transmission gear in transmission fit with the first transmission wheel 25; when the material loading block moves towards the inside of the first mounting frame, the first sliding block moves in the first sliding groove, the second transmission teeth are in contact with the first transmission wheel, the first transmission wheel rotates when the material loading block moves, the first transmission wheel drives the second transmission wheel to rotate, the second transmission wheel is in contact with the fourth push rod, the fourth push rod is driven to move towards the twelfth movable groove by rotation of the second transmission wheel, air in the twelfth movable groove is dragged to enter the second air storage cavity during movement of the fourth push rod, air flow in the second air storage cavity flows towards the inside of the second fixed film, the second fixed film expands outwards after being filled with air flow, and abuts against the first fixed film to fix the safety belt.
A thirteenth movable groove is formed in the inner wall of the tenth movable groove, a sixth connecting spring 271 is arranged in the thirteenth movable groove, a second push block 27 is arranged at one end of the sixth connecting spring 271, a rotation stopping groove matched with the second push block 27 is formed in the third driving wheel 264, an eighteenth movable groove is formed in the inner wall of the thirteenth movable groove, a second limit block 280 is arranged in the eighteenth movable groove, a second limit spring 2801 is arranged on the second limit block 280, a fourteenth movable groove is formed in the inner wall of the twelfth movable groove, a fifth push rod 270 is arranged in the fourteenth movable groove, a first return spring 2701 is arranged on the fifth push rod 270, a sealing plate 2702 is further arranged on the fifth push rod 270, a fifteenth movable groove matched with the sealing plate 2702 is formed in the fourteenth movable groove, and a second connecting rope is arranged on the fifth push rod 270, one end of the second connecting rope is fixedly connected to the second limiting block 280; a fifteenth movable groove communicated with the thirteenth movable groove is formed in the side wall of the first sliding block 21, a third push block 272 is arranged in the fifteenth movable groove, a third connecting rope is arranged on the third push block 272, and one end of the third connecting rope is fixedly connected to the second push block 27; a sixteenth movable groove matched with the third pushing block 272 is formed in the inner wall of the first sliding groove, a seventeenth movable groove matched with the third pushing block 272 is formed in the inner wall of the third sliding groove, a fourth pushing block 18 is arranged on the inner wall of the seventeenth movable groove, and the fourth pushing block is rotatably connected to the inner wall of the seventeenth movable groove; when the first sliding block moves in the first sliding groove, the first driving wheel drives the second driving wheel to rotate, the fourth push rod pushes the air in the twelfth movable groove into the second air storage cavity, when the fourth push rod moves to one end of the twelfth movable groove, the fourth push rod pushes the fifth push rod to move, and the air in the twelfth movable groove cannot enter the fourteenth movable groove when being extruded under the arrangement of the sealing plate; the fifth push rod moves to pull the second connecting rope to move, the second connecting rope pulls the second limiting block to move towards the eighteenth movable groove, the second push block moves towards the outer side of the thirteenth movable groove after losing the limiting position, the second push block is inserted into the rotation stopping groove to continuously push the third driving wheel to move, the fourth connecting rod moves towards the inside of the groove, the third driving wheel is separated from the first driving tooth to be in contact with the first driving tooth, the first driving wheel does not drive the second driving wheel to rotate any more, the second push block plays a role in fixing the second driving wheel, the second driving wheel is fixed at the current position, the second fixing film is ensured to be continuously in an expansion state, and therefore the fixing effect of the material loading block on the safety belt is ensured; when the first sliding block moves in the third sliding groove, the third pushing block is in contact with the fourth pushing block, the fourth pushing block pushes the third pushing block to move in the fifteenth moving groove, the third pushing block pulls the third connecting rope to move when moving, the third connecting rope pulls the second pushing block to move in the thirteenth moving groove, when the second pushing block passes through one side of the second limiting block, the second limiting block extends out of the eighteenth moving groove, the second limiting block fixes the second pushing block, at the moment, the third pushing block cannot move continuously, the third pushing block pushes the fourth pushing block to rotate, the third pushing block passes through one side of the fourth pushing block, the second driving wheel loses fixation and pushes the fourth pushing block to move towards the outer side of the twelfth moving groove under the action of the self elasticity of the second fixing film, so that the extrusion force of the second fixing film on the safety belt is reduced, and the safety belt after the test is taken out from the material carrying block.
The inner wall of the second mounting frame is provided with a rotating roller 16, the rotating roller is wound by a conveyor belt 161, when the first push rod pushes the material loading block in the first chute to move, the material loading block drives the conveyor belt to rotate, and the material loading block in the third chute moves back under the action of the conveyor belt, so that the used material loading block can be automatically reset; the top and the bottom of the inner wall of the second mounting frame are respectively provided with a material loading block, and one material loading block at the top and one material loading block at the bottom are aligned to form a group so as to fix two ends of the same safety belt; the front side of the material loading block is in one-way fit with the conveyor belt, and when the material loading block is positioned in the first chute, the back side of the material loading block is in contact with the conveyor belt; when the material loading block moves into the third chute, the front surface of the material loading block is in contact with the conveyor belt, and the material loading block is driven to move to the starting end of the first chute under the action of the conveyor belt, so that the resetting of the material loading block is completed.
The first fixing film is provided with a first fixing plate, the second fixing film is provided with a second fixing plate, the first fixing plate and the second fixing plate are respectively provided with a fixing needle and a fixing hole, the fixing needle on the first fixing plate is aligned with the fixing hole on the second fixing plate, the first fixing plate is provided with a fourth sliding block matched with the fifth sliding groove, the second fixing plate is provided with a fifth sliding block matched with the fifth sliding groove, the fourth sliding block and the fifth sliding block are respectively matched with a ratchet on the fourth connecting plate, the fourth sliding block can only move upwards, and the fifth sliding block can only move downwards; when the second fixing film expands, the second fixing plate is pushed to move downwards, the fixing needles on the second fixing plate are inserted into the fixing holes on the first fixing plate, the fixing needles on the first fixing plate are inserted into the fixing holes on the second fixing plate, and meanwhile, the fixing needles on the two fixing plates are inserted into the safety belt, so that the safety belt is stably fixed on the material loading block by utilizing the fixing function of the fixing needles; after the safety belt test was accomplished, toward pulling the sixth connecting plate outward, first fixed plate and second fixed plate all lost spacingly after the fourth connecting plate removed, and first fixed plate is along with the fixed block downstream, and the second fixed plate is at the fixed membrane of second downstream, makes first fixed plate and second fixed plate autosegregation to directly take out the safety belt on the year material piece.
The drawings of the present application are only schematic views, and the specific dimensions thereof are based on reality, and the movement of the first push rod, the second push rod, the third push rod and the sixth push rod can be realized by driving members such as hydraulic rods.
Claims (10)
1. The utility model provides a durable tensile test mechanism of car blet, includes first installing frame (1), locates first cylinder (3), second cylinder (4) on first installing frame (1) and locate first connecting plate (31) on first cylinder (3) piston rod and locate second connecting plate (41) on second cylinder (4) piston rod, its characterized in that: be equipped with second installing frame (11) on first installing frame (1) lateral wall, be equipped with on first installing frame (1) lateral wall with the corresponding opening of first installing frame (1), be equipped with a plurality of material loading pieces (2) in second installing frame (11), be equipped with first slider (21) on material loading piece (2), be equipped with on second installing frame (11) inner wall with first slider (21) matched with first spout, first connecting plate (31) with be equipped with respectively on second connecting plate (41) with the corresponding second spout of first spout, be equipped with on second installing frame (11) and be used for promoting first push rod (12) that material loading piece (2) removed.
2. The automobile safety belt endurance, tensile testing mechanism of claim 1, further comprising: a first electromagnet is arranged on the first push rod (12), a first connecting block is arranged on one side of the material loading block (2), a connecting groove matched with the first connecting block is arranged on the other side of the material loading block, a third sliding groove matched with the first sliding block (21) is further arranged on the inner wall of the second mounting frame (11), a first movable groove matched with the material loading block (2) is arranged on the inner wall of the first mounting frame (1), a second connecting block (17) is arranged in the first mounting frame, and a fourth sliding groove used for communicating the first movable groove with the third sliding groove is arranged on the second connecting block (17); a second push rod (13) penetrates through the side wall of one side of the first movable groove, and a third push rod (14) penetrates through the side wall of the other side of the first movable groove.
3. The automobile safety belt endurance, tensile testing mechanism of claim 2, wherein: a plurality of second movable grooves are formed in the first connecting block, a first limiting spring (2301) is arranged in each second movable groove, a first limiting block (230) is arranged on each first limiting spring (2301), and a chute is formed in each first limiting block (230); be equipped with a plurality of third movable grooves on the connecting groove inner wall, be equipped with first connecting spring (220) in the third movable groove, first connecting spring (220) one end is equipped with first ejector pad (2201), works as first slider (21) enter into back in the second spout, first stopper (230) toward the removal in the second movable groove, first ejector pad (2201) toward the removal outside the third movable groove.
4. The automobile safety belt endurance, tensile testing mechanism of claim 1, further comprising: a first movable cavity communicated with the second movable groove is formed in the material loading block (2), a first connecting rod (240) is arranged in the first movable cavity, a first connecting rope is arranged on the first connecting rod (240), one end of the first connecting rope is fixedly connected to a first limiting block (230), a third connecting plate (2401) is arranged at one end of the first connecting rod (240), a second connecting spring (2402) is arranged on the third connecting plate (2401), a fourth movable groove is formed in the top of the first movable cavity, a second connecting rod matched with the fourth movable groove is arranged on the third connecting plate (2401), and a first push plate is arranged on the second connecting rod; the material loading block (2) is provided with a fifth movable groove, a supporting spring (2601) is arranged in the fifth movable groove, and a second push plate (260) is arranged on the supporting spring (2601).
5. The automobile safety belt endurance, tensile testing mechanism of claim 4, wherein: a sixth movable groove is formed in the top of the second sliding groove, a third connecting block (32) is arranged in the sixth movable groove, a third connecting spring (323) is arranged on the third connecting block (32), a third push plate (322) is rotatably connected to the bottom of the third connecting block (32), and a torsion spring is arranged at the connecting position of the third push plate (322) and the third connecting block (32); be equipped with the seventh movable groove on the sixth movable groove lateral wall, sixth movable groove one side is equipped with the eighth movable groove, the eighth movable groove wears to locate in the seventh movable groove, be equipped with on third connecting block (32) with seventh movable groove matched with baffle (321), be equipped with fourth connecting spring (331) in the eighth movable groove, fourth connecting spring (331) bottom be equipped with second push pedal (260) matched with fourth push pedal (33).
6. The automobile safety belt endurance, tensile testing mechanism of claim 1, further comprising: a storage trough is arranged on the material loading block (2), a fifth chute is arranged on the inner wall of the storage trough, a fixed block (22) is arranged in the material loading trough, a second sliding block (222) matched with the fifth chute is arranged on the side wall of the fixed block (22), a first air bag (210) is arranged in the fifth chute, a fourth connecting plate (29) is arranged on one side of the first air bag (210), and a plurality of ratchets are arranged on the fourth connecting plate (29); and a third sliding block (291) is arranged on the fourth connecting plate (29), a sixth sliding groove matched with the third sliding block (291) is arranged on the inner wall of the fifth sliding groove, and a second return spring (292) is arranged on the third sliding block (291).
7. The automobile safety belt endurance, tensile testing mechanism of claim 6, wherein: be equipped with the cavity on fixed block (22), the cavity top is equipped with first fixed membrane (221), the material loading groove top is equipped with the fixed membrane of second (23), be equipped with on material loading block (2) with the communicating first gas storage chamber of first gasbag (210), be equipped with fifth push pedal (24) in the first gas storage chamber, first gas storage chamber one side is equipped with the ninth movable groove, be equipped with fifth connecting plate (241) on fifth push pedal (24), fifth connecting plate (241) wear to locate the ninth movable inslot, fifth connecting plate (241) bottom is equipped with sixth connecting plate (242), be equipped with third reset spring (243) on sixth connecting plate (242).
8. The automobile safety belt endurance, tensile testing mechanism of claim 1, further comprising: a tenth movable groove is formed in the first sliding block (21), a first driving wheel (25) and a second driving wheel (26) are arranged in the tenth movable groove, the two groups of first driving wheels (25) are respectively arranged on two sides of the second driving wheel (26), a connecting ring (251) is arranged on the first driving wheel (25), an eleventh movable groove matched with the connecting ring (251) is formed in the inner wall of the tenth movable groove, a third connecting rod (250) is arranged in the tenth movable groove, a sixth connecting plate (2501) is arranged on the third connecting rod (250), and an annular groove matched with the sixth connecting plate (2501) is formed in the second driving wheel (26); the top of the material loading groove is provided with a second gas storage cavity, the second fixing film (23) is communicated with the second gas storage cavity, and when the material loading block (2) moves towards the inside of the first mounting frame (1), airflow in the second gas storage cavity flows towards the inside of the second fixing film (23).
9. The automobile safety belt endurance, tensile testing mechanism of claim 8, wherein: a twelfth movable groove communicated with the second air storage cavity is formed in the side wall of the tenth movable groove, a fourth push rod (28) is arranged in the twelfth movable groove, and the fourth push rod (28) is in transmission fit with the second transmission wheel (26); a through hole is formed in the first driving wheel (25), a groove is formed in the second driving wheel (26), a connecting pipe (261) matched with the groove is formed in the second driving wheel (26), a fifth connecting spring (262) is arranged in the groove, a fourth connecting rod (263) is arranged at one end of the fifth connecting spring (262), the fourth connecting rod (263) is in rotation stopping fit with the inner wall of the connecting pipe (261), a third driving wheel (264) is arranged on the fourth connecting rod (263), and a first driving tooth in transmission fit with the third driving wheel (264) is arranged on the inner wall of the through hole; and a second transmission gear in transmission fit with the first transmission wheel (25) is arranged at the top of the first sliding groove.
10. The mechanism of claim 9, wherein the mechanism further comprises: a thirteenth movable groove is formed in the inner wall of the tenth movable groove, a sixth connecting spring (271) is arranged in the thirteenth movable groove, a second push block (27) is arranged at one end of the sixth connecting spring (271), a rotation stopping groove matched with the second push block (27) is formed in the third driving wheel (264), a second limit block (280) is arranged in the thirteenth movable groove, a second limit spring (2801) is arranged on the second limit block (280), a fourteenth movable groove is formed in the inner wall of the twelfth movable groove, a fifth push rod (270) is arranged in the fourteenth movable groove, a first return spring (2701) is arranged on the fifth push rod (270), a sealing plate (2702) is further arranged on the fifth push rod (270), a fifteenth movable groove matched with the sealing plate (2702) is formed in the fourteenth movable groove, and a second connecting rope is arranged on the fifth push rod (270), one end of the second connecting rope is fixedly connected to the second limiting block (280); a fifteenth movable groove communicated with the thirteenth movable groove is formed in the side wall of the first sliding block (21), a third pushing block (272) is arranged in the fifteenth movable groove, a third connecting rope is arranged on the third pushing block (272), and one end of the third connecting rope is fixedly connected to the second pushing block (27); and a sixteenth movable groove matched with the third pushing block (272) is formed in the inner wall of the first sliding groove, a seventeenth movable groove matched with the third pushing block (272) is formed in the inner wall of the third sliding groove, and a fourth pushing block (18) is arranged on the inner wall of the seventeenth movable groove.
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| CN202110125152.4A CN112964560B (en) | 2021-01-29 | 2021-01-29 | Durable tensile test mechanism of car blet |
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