CN116754409B - Alloy door lock handle fatigue strength quality inspection equipment - Google Patents
Alloy door lock handle fatigue strength quality inspection equipment Download PDFInfo
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- CN116754409B CN116754409B CN202311064041.2A CN202311064041A CN116754409B CN 116754409 B CN116754409 B CN 116754409B CN 202311064041 A CN202311064041 A CN 202311064041A CN 116754409 B CN116754409 B CN 116754409B
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- 238000007689 inspection Methods 0.000 title claims abstract description 26
- 239000000956 alloy Substances 0.000 title claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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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
- 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
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses alloy door lock handle fatigue strength quality inspection equipment in the technical field of door lock handle fatigue strength quality inspection, which comprises an operating platform and a driving motor capable of counting, wherein the operating platform is arranged on the operating platform; the operation table is provided with a pair of driving motors which synchronously move through a motor seat, output shafts of the driving motors are fixedly connected with turntables, the turntables are provided with distance adjusting sliding grooves, and distance adjusting sliding blocks are slidably connected in the distance adjusting sliding grooves; each distance-adjusting slide block is provided with a driving shaft, and the two driving shafts are connected with a cross rod in a common rotation way; the driving shaft is provided with a locking component, and the locking component can stably lock the distance adjusting sliding block at any position of the distance adjusting sliding groove; the operation desk is also provided with a torsion component, the torsion component is inserted with a door handle, the door handle is provided with a quick-release assembly, and a fixed shaft is arranged through the quick-release assembly; the door handle can simulate various working conditions of door handle opening, so that the fatigue limit of the door handle can be accurately known.
Description
Technical Field
The invention relates to the technical field of door lock handle fatigue strength quality inspection, in particular to alloy door lock handle fatigue strength quality inspection equipment.
Background
The door lock handle is required to be subjected to multiple tests after being manufactured, wherein the fatigue strength is a very important test item, the fatigue strength is the maximum stress of the material under the action of infinitely repeated alternating loads without damage, and the fatigue strength of the door lock handle is obtained by repeatedly rotating and opening the door lock handle for multiple times.
The existing fatigue strength quality inspection equipment runs under high-strength periodic cyclic load, and the rotating angle of the door lock handle in the actual use process is within ninety degrees, so that the existing fatigue strength quality inspection equipment is difficult to simulate the use condition of the door lock handle, and the fatigue limit of the door lock handle cannot be accurately known.
Disclosure of Invention
The invention aims to provide the alloy door lock handle fatigue strength quality inspection equipment which can simulate various working conditions of door handle opening, so that the fatigue limit of the door lock handle can be accurately known.
In order to achieve the above purpose, the present invention provides the following technical solutions: comprises an operation table and a driving motor capable of counting; the operation table is provided with a pair of driving motors which synchronously move through a motor seat, the output shafts of the driving motors are fixedly connected with turntables, and the turntables are provided with distance adjusting sliding blocks which can be fixed relative to the turntables;
each distance-adjusting slide block is provided with a driving shaft, and the two driving shafts are connected with a cross rod in a common rotation way; when the two turntables synchronously rotate, the cross rod can be driven to translate along a circumferential track on the plane where the turntables are positioned;
the operation desk is also provided with a torsion member, the torsion member is inserted with a door handle, the door handle is provided with a quick-release assembly and a fixed shaft through the quick-release assembly, the fixed shaft can drive the door handle to rotate through the quick-release assembly when the cross rod descends, so that the torsion member stores force, and when the cross rod ascends, the torsion member drives the door handle to reset;
as a further scheme of the invention, the turntables are provided with distance-adjusting sliding grooves, and the distance-adjusting sliding blocks are arranged in the distance-adjusting sliding grooves in a sliding manner;
the driving shaft is provided with a locking component, and the locking component can stably lock the distance adjusting sliding block at any position of the distance adjusting sliding groove.
As a further scheme of the invention, the locking component comprises a fixed plate fixedly connected to the driving shaft and a movable plate sleeved on the driving shaft; the fixed plate and the movable plate are respectively arranged at two sides of the turntable, the end part of the driving shaft is in threaded connection with a tightening nut, and the distance adjusting slide block can be locked at any position on the distance adjusting slide groove by matching with the movable plate through rotating the tightening nut so as to realize the purpose of distance adjustment;
as a further scheme of the invention, the driving shaft is fixedly connected with a sleeve, the sleeve is connected with a sliding rod in a sliding way, the inner side end of the sliding rod is fixedly connected with a squeeze ball, a squeeze spring is arranged between the squeeze ball and the sleeve, the side wall of the sleeve is fixedly connected with a wedge-shaped stop block with elasticity, and both ends of the cross rod are provided with grooves matched with the wedge-shaped stop block;
as a further scheme of the invention, the quick-dismantling assembly comprises a fixed slide block fixedly connected with a fixed shaft, the bottom of the fixed slide block is of an opening design, the top of the fixed slide block is in sliding connection with a positioning hook, the top of the positioning hook is fixedly connected with a positioning rack, the positioning rack is meshed with a lifting rack in sliding connection with the fixed slide block, and the lifting rack and the positioning rack teeth are right-angle teeth;
as a further scheme of the invention, the back of the cross rod is provided with a yielding groove, a guide rod is fixedly connected in the yielding groove, the guide rod is connected with a positioning slide block in a sliding manner, the positioning slide block is inserted with a baffle plate for pressing down a fixed shaft to enable the door handle to rotate, and the positioning slide block is connected with a positioning bolt in a threaded manner;
as a further scheme of the invention, a positioning plate is connected in the fixed sliding block in a sliding way, a positioning spring is fixedly connected between the positioning plate and the fixed sliding block, the positioning plate is rotationally connected with an elastic bolt in threaded connection with the fixed sliding block, and the bottom of the positioning plate is fixedly connected with a blocking strip;
as a further scheme of the invention, the torsion member comprises a shell, the shell is connected with a guide rod in a sliding way, the inner side end of the guide rod is fixedly connected with a reset slide block, a reset spring is fixedly connected between the reset slide block and the guide rod, a fixed rod is connected in a sliding way with the reset slide block, the fixed rod is fixedly connected with a rotating plate, the rotating plate is fixedly connected with a plug bush which is rotationally connected with the shell, and the plug bush is provided with a slot with a square structure;
as a further scheme of the invention, the side wall of the plug bush is connected with a positioning pin in a sliding way, and a pressurizing spring is fixedly connected between the positioning pin and the plug bush;
as a further scheme of the invention, the top of the operating platform is slidably connected with a mounting sliding block, a telescopic rod is arranged between the mounting sliding block and the shell, and a fixing bolt is connected between the telescopic rod and the mounting sliding block in a threaded manner.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the door lock handle, the distance adjusting slide block is driven to rotate through the turntable, the distance adjusting slide block drives the driving shafts to do circular motion along the axis of the turntable, the cross bars between the driving shafts drive the baffle plates to move through the positioning assembly, the baffle plates contact the fixed shafts and then press down the fixed shafts, the fixed shafts drive the fixed slide blocks to descend, the fixed slide blocks drive the door handle to rotate, when the door handle rotates to a specified angle, the distance adjusting slide groove rotates from the uppermost end to the lower end, the turntable continues to rotate, the cross bars start to ascend, the door handle is reversed under the action of the torsion component until complete reset, and the cross bars repeatedly move up and down, so that the door handle repeatedly rotates, the working condition of simulating the door handle opening is achieved, and the fatigue limit of the door lock handle can be accurately known.
2. According to the invention, the position of the distance adjusting slide block in the distance adjusting slide groove is adjusted, and the distance adjusting slide block and the driving shaft are fixed on the turntable by tightening the nuts, the movable plate and the fixed plate, so that the distance of the vertical movement of the cross rod is changed, the longer the distance of the distance adjusting slide block from the axis of the turntable is, the larger the distance of the vertical movement of the cross rod is, the larger the rotation angle of the door handle is pressed by the cross rod, and the smaller the rotation angle is, so that the door opening working conditions with various angles can be simulated, and the fatigue limit of the door lock handle at different angles can be accurately known.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the cross bar and its connection structure according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 5 is a schematic view of the structure of the telescopic rod and its connection relationship according to the present invention;
FIG. 6 is a schematic view of a structure of a fixed slider and its connection relationship according to the present invention;
FIG. 7 is a schematic view of a torsion member according to the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. an operation table; 11. a baffle; 12. a telescopic rod; 2. a driving motor; 21. a turntable; 22. a distance adjusting chute; 23. a distance-adjusting slide block; 24. a drive shaft; 25. a fixing plate; 26. a movable plate; 27. tightening a nut; 31. a sleeve; 32. a wedge-shaped stop; 33. a slide bar; 34. extruding the ball; 35. extruding a spring; 4. a cross bar; 51. positioning a sliding block; 52. positioning bolts; 53. a relief groove; 54. a guide rod; 61. a housing; 62. a guide rod; 63. resetting the sliding block; 64. a return spring; 65. a fixed rod; 66. a rotating plate; 67. a plug bush; 68. a slot; 69. a positioning pin; 60. a pressurizing spring; 7. a door handle; 71. a fixed slide block; 72. positioning a hook; 73. a fixed shaft; 74. a positioning plate; 75. a positioning spring; 76. tightening the bolt; 77. a blocking bar; 78. positioning a rack; 79. lifting the rack; 8. installing a sliding block; 9. and (5) fixing bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In an actual testing process, the door handle generally has two usage environments, first: non-rough type: i.e. after turning the door handle, the hand is reset with the door handle, and there is no rigid collision of the door handle. Second,: the rough, i.e. after turning the door handle, the procedure is accompanied by a rigid collision Ma Songkai.
First embodiment (non-rough type)
Referring to fig. 1-7, the present invention provides a technical solution: comprises an operation table 1 and a driving motor 2 capable of counting; the operation table 1 is provided with a pair of driving motors 2 which synchronously move through a motor seat, the output shafts of the driving motors 2 are fixedly connected with a turntable 21, and the turntable 21 is provided with distance adjusting slide blocks 23 which can be relatively fixed with the turntable 21; each distance-adjusting slide block 23 is provided with a driving shaft 24, and the two driving shafts 24 are connected with a cross rod 4 in a common rotation way; when the two turntables 21 synchronously rotate, the cross rod 4 can be driven to translate along a circumferential track on the plane of the turntables 21; the operation desk 1 is also provided with a torsion member, the torsion member is inserted with a door handle 7, a quick-release assembly is arranged on the door handle 7, a fixed shaft 73 is arranged through the quick-release assembly, the fixed shaft 73 can drive the door handle 7 to rotate through the quick-release assembly when the cross rod 4 descends, so that the torsion member stores force, and when the cross rod 4 ascends, the torsion member drives the door handle 7 to reset;
the turntables 21 are provided with distance adjusting slide grooves 22, and the distance adjusting slide blocks 23 are arranged in the distance adjusting slide grooves 22 in a sliding manner;
the driving shaft 24 is provided with a locking assembly which can stably lock the distance adjusting slide 23 at any position of the distance adjusting slide groove 22.
Before use, the door handle 7 to be detected is inserted on the torsion member, then the fixed shaft 73 is installed on the door handle 7 through the quick-release assembly, finally the distance adjusting slide block 23 is moved, the distance adjusting slide block 23 drives the cross rod 4 to move through the driving shaft 24, the distance of the distance adjusting slide block 23, which is far away from the axis of the turntable 21, is adjusted, the distance of the up-down movement of the cross rod 4 is increased, and otherwise, the distance of the distance adjusting slide block is decreased, so that the rotation angle of the door handle 7 is adjusted; after the position of the distance adjusting slide block 23 is determined, the locking component locks the distance adjusting slide block 23 in the distance adjusting slide groove 22 stably (a graduated scale is additionally arranged beside the distance adjusting slide groove 22 to determine the position of the distance adjusting slide block 23, so that the angle of downward compression and rotation of the fixed shaft 73 by the baffle plate 11 is calculated), and the preparation work is completed;
when the door handle 7 is rotated to a specified angle, the turntable 21 starts to drive the cross rod 4 to ascend through the distance adjusting slide block 23, the cross rod 4 does not press down the door handle 7 through the fixed shaft 73, the door handle 7 reversely rotates under the action of the torsion member until the door handle 7 is reset (namely, the holding end of the door handle 7 is horizontal), the output shaft of the driving motor 2 rotates for one circle, the door handle 7 is pressed down to a specified angle once by pressing down, the cross rod 4 repeatedly moves down to the specified angle, the door handle 7 repeatedly rotates to the specified angle, and accordingly fatigue strength quality inspection work of the door handle 7 can be realized, the door handle 7 can be simulated, and further the limit fatigue quality inspection work of the door handle 7 can be accurately realized;
according to the invention, the distance adjusting slide block 23 is locked at different positions in the distance adjusting slide groove 22 through the locking assembly, so that the vertical distance in the moving process of the cross rod 4 can be changed, the longer the distance between the distance adjusting slide block 23 and the axis of the turntable 21 is, the larger the vertical distance between the cross rod 4 and the axis of the turntable 21 is, the larger the rotation angle of the door handle 7 pressed by the cross rod 4 is, and the smaller the rotation angle is, so that the door opening working conditions with various angles can be simulated, and further the fatigue limit of the door lock handle under different working conditions can be accurately known.
As a further scheme of the invention, the locking assembly comprises a fixed plate 25 fixedly connected to the driving shaft 24 and a movable plate 26 sleeved on the driving shaft 24; the fixed plate 25 and the movable plate 26 are respectively arranged at two sides of the turntable 21, the end part of the driving shaft 24 is in threaded connection with a tightening nut 27, and the distance adjusting slide block 23 can be locked at any position on the distance adjusting slide groove 22 by matching with the movable plate 26 through rotating the tightening nut 27 so as to realize the purpose of distance adjustment;
when the device is used, the fixing nut 27 is screwed down, the movable plate 26 is extruded by the fixing nut 27, the driving shaft 24 and the rotary table 21 are fixed by the movable plate 26 and the fixed plate 25, otherwise, the driving shaft 24 and the rotary table 21 are separated, so that the driving shaft 24 and the distance adjusting slide block 23 can slide on the rotary table 21 to perform distance adjusting work, and the purpose of quick, simple and convenient distance adjustment is achieved.
As a further scheme of the invention, the driving shaft 24 is fixedly connected with the sleeve 31, the sleeve 31 is connected with the slide bar 33 in a sliding way, the inner side end of the slide bar 33 is fixedly connected with the extrusion ball 34, the extrusion spring 35 is arranged between the extrusion ball 34 and the sleeve 31, the side wall of the sleeve 31 is fixedly connected with the wedge-shaped stop block 32 with elasticity, and the two ends of the cross bar 4 are provided with grooves matched with the wedge-shaped stop block 32;
in use, referring to fig. 4, the slide bar 33 is pressed, the slide bar 33 pushes the squeeze ball 34 inwards (in the view of fig. 4, left inwards along the axis of the sleeve 31 and right outwards along the axis of the sleeve 31), the squeeze ball 34 compresses the squeeze spring 35, the squeeze ball 34 breaks away from the wedge-shaped stop 32, the cross bar 4 is pulled outwards, the cross bar 4 squeezes the wedge-shaped stop 32 inwards, and the wedge-shaped stop 32 breaks away from the groove, so that the cross bar 4 is pulled out conveniently; when the cross rod 4 is installed, the slide rod 33 is pressed, the extrusion ball 34 is separated from the wedge-shaped stop block 32, the cross rod 4 is pushed inwards, the wedge-shaped stop block 32 is contracted, after the wedge-shaped stop block 32 is completely inserted into the cross rod 4, the slide rod 33 is loosened, the extrusion spring 35 pushes the extrusion ball 34 outwards, the extrusion ball 34 pushes the expansion of the wedge-shaped stop block 32 into the groove, the groove is matched with the wedge-shaped stop block 32 to fix the cross rod 4 on the sleeve 31, the quick installation and disassembly of the cross rod 4 are realized, the cross rods 4 with different lengths are convenient to replace (the drive motor 2 and the operation console 1 can slide, and the means is conventional means), so that the cross rod 4 can simultaneously perform fatigue strength quality inspection work on a plurality of door handles 7, and further the fatigue curve of alloy door handles can be obtained more quickly and conveniently.
As a further scheme of the invention, the quick-dismantling assembly comprises a fixed slide block 71 fixedly connected with a fixed shaft 73, wherein the bottom of the fixed slide block 71 is designed as an opening, the top of the fixed slide block 71 is slidably connected with a positioning hook 72, the top of the positioning hook 72 is fixedly connected with a positioning rack 78, the positioning rack 78 is meshed with a lifting rack 79 slidably connected with the fixed slide block 71, and the teeth of the lifting rack 79 and the teeth of the positioning rack 78 are right-angle teeth;
during the use, hang locating hook 72 in door handle 7 pivot department, fixed slider 71 open side cover is on door handle 7, when needs adjustment fixed axle 73 position, upwards remove lifting rack 79, make it separate with locating rack 78, at this moment, locating hook 72 can carry out the random removal, after the fixed axle 73 position is confirmed, with lifting rack 79 and locating rack 78 restoration meshing (because lifting rack 79 and locating rack 78 tooth are right angle tooth, when moving fixed axle 73 to door handle 7 pivot department, also can directly remove fixed slider 71), when fixed axle 73 descends, lifting rack 79 and the right angle tooth intermesh of locating rack 78 tooth can avoid appearing breaking away from.
Second embodiment (rough type)
As a further scheme of the invention, the back of the cross rod 4 is provided with a yielding groove 53, a guide rod 54 can be fixedly connected in the yielding groove 53, the guide rod 54 is slidably connected with a positioning slide block 51, the positioning slide block 51 is inserted with a baffle plate 11 for pressing down a fixed shaft 73 to rotate a door handle 7, and the positioning slide block 51 is in threaded connection with a positioning bolt 52;
when the door handle 7 is used, the transverse rod 4 drives the baffle 11 to descend through the guide rod 54 when descending, the baffle 11 is pressed down through the fixed shaft 73 and enables the door handle 7 to rotate, when the baffle 11 is separated from the fixed shaft 73, the torsion member quickly resets the door handle 7, and then the action of immediately loosening the door handle 7 after opening the door is simulated, so that the application range of equipment is increased, and the practicability of the equipment is improved; in addition, the guide rod 54 is inserted into the positioning slide block 51 from the opening side of the yielding groove 53, when the positioning bolt 52 is rotated, the inner side end of the positioning slide block 51 moves out of the yielding groove 53, and the top of the positioning slide block 51 contacts the cross bar 4, so that the positioning slide block 51 with different numbers can be installed, and the rapid installation of the positioning slide blocks 51 can be realized;
as a further scheme of the invention, a positioning plate 74 is connected in a sliding way in the fixed sliding block 71, a positioning spring 75 is fixedly connected between the positioning plate 74 and the fixed sliding block 71, the positioning plate 74 is rotatably connected with an elastic bolt 76 in threaded connection with the fixed sliding block 71, and the bottom of the positioning plate 74 is fixedly connected with a blocking strip 77;
when the door handle 7 is required to be immediately loosened after the door is simulated to be opened, the positioning plate 74 is pressed by the tightening bolt 76, so that the situation that after the fixed shaft 73 is separated from the baffle 11, the fixed sliding block 71 is separated from the door handle 7 in the instant reversing process, the baffle 11 cannot continuously drive the door handle 7 to rotate through the fixed shaft 73, the quality inspection of the door handle 7 is affected, the positioning spring 75 can apply force to the tightening bolt 76 through the positioning plate 74, the tight fit of threads between the tightening bolt 76 and the positioning plate 74 is ensured, and the rotation of the tightening bolt 76 is avoided, and the fixing of the fixed sliding block 71 and the door handle 7 is affected; when the positioning plate 74 moves towards the door handle 7, the blocking strip 77 also moves towards the bottom of the door handle 7, and when the two have a superposition area, the blocking strip 77 can further prevent the fixed sliding block 71 from being separated from the door handle 7, so that the baffle 11 can not continuously drive the door handle 7 to rotate through the fixed shaft 73, and further the quality inspection of the door handle 7 is affected.
As a further scheme of the invention, the torsion member comprises a shell 61, the shell 61 is connected with a guide rod 62 in a sliding way, the inner side end of the guide rod 62 is fixedly connected with a reset slide block 63, a reset spring 64 is fixedly connected between the reset slide block 63 and the guide rod 62, a fixed rod 65 is connected in a sliding way with the reset slide block 63, the fixed rod 65 is fixedly connected with a rotating plate 66, the rotating plate 66 is fixedly connected with a plug bush 67 which is rotationally connected with the shell 61, and the plug bush 67 is provided with a slot 68 with a square structure;
when the door handle 7 is used, the door handle 7 is inserted into the slot 68, when the square door handle 7 of the slot 68 rotates, the plug bush 67 can rotate along with the square door handle 7, when the plug bush 67 rotates, the rotating plate 66 rotates and drives the fixing rod 65 to rotate along the axis of the plug bush 67, the fixing rod 65 drives the reset slide block 63 to move, the reset slide block 63 drives the guide rod 62 to move and compress the reset spring 64, when the cross rod 4 ascends, the reset slide block 63 drives the fixing rod 65 and the rotating plate 66 to rotate reversely, the plug bush 67 resets the door handle 7 through the slot 68, in the process, the reset slide block 63 pushes the reset slide block 63 through the fixing rod 65, the rotating plate 66 and the plug bush 67 to apply torsion to the door handle 7, when the reset slide block 63 moves to the side wall of the shell 61, the door handle 7 is reset, and the reset slide block 63 cannot continuously move to avoid the fact that the door handle 7 continuously rotates upwards, the door handle 7 can be positioned, and the door handle 7 can be prevented from reversely rotating, the door handle 7 is prevented from doing useless actions, the loss of the door handle 7 is increased, and the quality inspection data of the door handle 7 is affected;
as a further scheme of the invention, the side wall of the plug bush 67 is connected with a positioning pin 69 in a sliding way, and a pressurizing spring 60 is fixedly connected between the positioning pin 69 and the plug bush 67;
when the door handle 7 is inserted into the plug bush 67, the door handle 7 is abutted against the locating pin 69, the locating pin 69 moves upwards and stretches the pressurizing spring 60, the pressurizing spring 60 presses the locating pin 69 downwards, the resistance of the door handle 7 and the locating pin 69 is increased, and the outward sliding or direct falling of the door handle 7 in the detection process is avoided, so that the quality inspection of the door handle 7 is affected.
As a further scheme of the invention, the top of the operating platform 1 is connected with a mounting sliding block 8 in a sliding way, a telescopic rod 12 is arranged between the mounting sliding block 8 and the shell 61, and a fixing bolt 9 is connected between the telescopic rod 12 and the mounting sliding block 8 in a threaded way;
when the door handle 7 is used, the installation sliding blocks 8 are arranged in a plurality of pairs, each pair of installation sliding blocks 8 can be provided with the telescopic rod 12 and the torsion member through the fixing bolts 9, and the fatigue strength quality inspection can be simultaneously carried out on the door handles 7, so that the quality inspection efficiency is improved.
Claims (8)
1. The fatigue strength quality inspection equipment for the alloy door lock handle comprises an operation table (1) and a driving motor (2) capable of counting; the method is characterized in that: the operation table (1) is provided with a pair of driving motors (2) which synchronously move through a motor seat, the output shafts of the driving motors (2) are fixedly connected with turntables (21), and the turntables (21) are provided with distance adjusting sliding blocks (23) which can be relatively fixed with the turntables (21);
each distance-adjusting slide block (23) is provided with a driving shaft (24), and the two driving shafts (24) are connected with a cross rod (4) in a common rotation way; when the two turntables (21) synchronously rotate, the cross rod (4) can be driven to translate along a circumferential track on the plane where the turntables (21) are positioned;
the operation desk (1) is further provided with a torsion member, the torsion member is inserted with a door handle (7), the door handle (7) is provided with a quick-release assembly, the quick-release assembly is provided with a fixed shaft (73), the fixed shaft (73) can drive the door handle (7) to rotate through the quick-release assembly when the cross rod (4) descends, so that the torsion member stores force, and when the cross rod (4) ascends, the torsion member can drive the door handle (7) to reset;
the turntables (21) are provided with distance adjusting sliding grooves (22), and the distance adjusting sliding blocks (23) are arranged in the distance adjusting sliding grooves (22) in a sliding mode;
the driving shaft (24) is provided with a locking assembly, and the locking assembly can stably lock the distance adjusting sliding block (23) at any position of the distance adjusting sliding groove (22);
the locking assembly comprises a fixed plate (25) fixedly connected to the driving shaft (24) and a movable plate (26) sleeved on the driving shaft (24); the fixed plate (25) and the movable plate (26) are respectively arranged on two sides of the turntable (21), the end part of the driving shaft (24) is in threaded connection with a fastening nut (27), and the distance adjusting sliding block (23) can be locked at any position on the distance adjusting sliding groove (22) by matching with the movable plate (26) through rotating the fastening nut (27) so as to achieve the purpose of distance adjustment.
2. The alloy door lock handle fatigue strength quality inspection device according to claim 1, wherein: drive shaft (24) fixedly connected with sleeve pipe (31), sleeve pipe (31) sliding connection has slide bar (33), slide bar (33) medial extremity fixedly connected with squeeze ball (34), install squeeze spring (35) between squeeze ball (34) and sleeve pipe (31), sleeve pipe (31) lateral wall fixedly connected with has elastic wedge dog (32), recess with wedge dog (32) matching has all been seted up at horizontal pole (4) both ends.
3. The alloy door lock handle fatigue strength quality inspection device according to claim 2, wherein: the quick-release assembly comprises a fixed slider (71) fixedly connected with a fixed shaft (73), the bottom of the fixed slider (71) is provided with an opening, the top of the fixed slider (71) is slidably connected with a positioning hook (72), the top of the positioning hook (72) is fixedly connected with a positioning rack (78), the positioning rack (78) is meshed with a lifting rack (79) slidably connected with the fixed slider (71), and the lifting rack (79) and the positioning rack (78) are right-angle teeth.
4. An alloy door lock handle fatigue strength quality inspection device according to claim 3, wherein: the back of the cross rod (4) is provided with a yielding groove (53), the yielding groove (53) can be relatively and fixedly connected with a guide rod (54), the guide rod (54) is slidably connected with a positioning slide block (51), the positioning slide block (51) is inserted with a baffle (11) for pressing down a fixed shaft (73) to enable a door handle (7) to rotate, and the positioning slide block (51) is in threaded connection with a positioning bolt (52).
5. An alloy door lock handle fatigue strength quality inspection device according to claim 3, wherein: the device is characterized in that a positioning plate (74) is slidably connected with the fixed sliding block (71), a positioning spring (75) is fixedly connected between the positioning plate (74) and the fixed sliding block (71), an elastic bolt (76) in threaded connection with the fixed sliding block (71) is rotatably connected with the positioning plate (74), and a blocking strip (77) is fixedly connected with the bottom of the positioning plate (74).
6. The alloy door lock handle fatigue strength quality inspection device according to claim 5, wherein: the torsion member comprises a shell (61), the shell (61) is connected with a guide rod (62) in a sliding mode, a reset sliding block (63) is fixedly connected with the inner side end of the guide rod (62), a reset spring (64) is fixedly connected between the reset sliding block (63) and the guide rod (62), a fixing rod (65) is connected with the reset sliding block (63) in a sliding mode, a rotating plate (66) is fixedly connected with the fixing rod (65), a plug bush (67) connected with the shell (61) in a rotating mode is fixedly connected with the rotating plate (66), and a slot (68) of a square structure is formed in the plug bush (67).
7. The alloy door lock handle fatigue strength quality inspection device according to claim 6, wherein: the side wall of the plug bush (67) is slidably connected with a positioning pin (69), and a pressurizing spring (60) is fixedly connected between the positioning pin (69) and the plug bush (67).
8. The alloy door lock handle fatigue strength quality inspection device according to claim 7, wherein: the top of the operating platform (1) is slidably connected with an installation sliding block (8), a telescopic rod (12) is installed between the installation sliding block (8) and the shell (61), and a fixing bolt (9) is connected between the telescopic rod (12) and the installation sliding block (8) in a threaded mode.
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| CN117387928B (en) * | 2023-12-11 | 2024-02-23 | 扬州市明峰弹簧有限公司 | Spring fatigue strength test equipment |
| CN117387927B (en) * | 2023-12-11 | 2024-03-19 | 长春霍富汽车锁有限公司 | Automobile door handle assembly detection device |
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