CN113804387A

CN113804387A - Drop test equipment and drop test method for tablet personal computer

Info

Publication number: CN113804387A
Application number: CN202111069315.8A
Authority: CN
Inventors: 王亦方; 刘根
Original assignee: Shenzhen Oudu Lifang Technology Co ltd
Current assignee: Shenzhen Oudu Lifang Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2021-12-17

Abstract

The application relates to a drop test device of a tablet personal computer, which comprises a base, a stand column and a driving box which are connected on the base, and a guide rod connected on the driving box, the installation box is connected to the guide rod, a driving mechanism for driving the installation box to move in the vertical direction is arranged in the driving box, a placing table capable of swinging in the vertical direction is arranged in the installation box, a butting device matched with the placing table and used for fixing a product is arranged on the installation box, the butting device comprises an installation rod which is fixed to the installation box and vertically arranged, the installation rod is connected to the positioning rod, the positioning rod is horizontally arranged on the installation rod, an adjusting rod is connected to the adjusting rod, an installation block connected with the installation rod and an adjusting block connected with the adjusting rod are arranged on the positioning rod, a positioning mechanism for preventing the positioning rod from moving relative to the installation rod or the adjusting rod is arranged on the installation block and the adjusting block, and a clamp used for fixing the product is arranged on the adjusting rod. This application has the effect of the product location on the testing machine of being convenient for.

Description

Drop test equipment and drop test method for tablet personal computer

Technical Field

The application relates to the field of experimental equipment, in particular to a drop test device and a drop test method for a tablet personal computer.

Background

At present, products or packaging pieces produced by manufacturers are subjected to impact and free drop tests according to national relevant standards, and the purpose is to test the damage condition of the products or the packaging pieces when the products or the packaging pieces fall, and evaluate the impact resistance of the packaging pieces in the carrying process and the protection capability of outer packaging pieces on the products.

The Chinese patent with the publication number of CN110907115A discloses a fork frame type drop testing machine, which comprises a fixed base, a bottom plate, a supporting frame, a fork frame drop mechanism and a hoisting mechanism, wherein the bottom plate is fixedly installed on the fixed base, the supporting frame is vertically and fixedly installed on the upper portion of the bottom plate, the fork frame drop mechanism is vertically installed on the supporting frame in a guiding mode, the hoisting mechanism is installed at the top of the supporting frame and used for drawing the fork frame drop mechanism to lift, the fork frame drop mechanism comprises a fork frame supporting plate, a walking frame, a fork frame unit, a rotary cylinder and a locking mechanism, the fork frame unit is installed on the front portion of the fork frame supporting plate and driven to rotate by the rotary cylinder, the locking mechanism is further installed on the fork frame, the walking frame is fixedly installed on the rear portion of the fork frame supporting plate, and the walking frame is installed on the supporting frame in a guiding mode.

In view of the above-mentioned related art, the inventor believes that when a product drop experiment is performed, a product needs to be placed on a fork, the product is dropped from the fork by a dropping mechanism, and when an object needs to be dropped from different states, the defect that the object is difficult to position on the fork exists.

Disclosure of Invention

In order to facilitate the positioning of a product at different angles of the testing machine, the application provides a drop test device and a drop test method of a tablet personal computer.

In a first aspect, the application provides a drop test device for a tablet computer, which adopts the following technical scheme:

a drop test device of a tablet personal computer comprises a base, a driving box and a stand column which are connected on the base, a guide rod which is connected on the driving box, and an installation box which is connected on the guide rod, wherein a positioning box which is connected with the guide rod is arranged at the upper end of the stand column, a driving mechanism which drives the installation box to move in the vertical direction is arranged in the driving box, a placing table which is used for placing a product and can swing in the vertical direction is arranged in the installation box, an abutting device which is matched with the placing table and used for fixing the product is arranged on the installation box, the abutting device comprises an installation rod which is fixed on the installation box and is vertically arranged, a positioning rod which is connected on the installation rod and is horizontally arranged, an adjusting rod which is perpendicular to the positioning rod is connected on the positioning rod, an installation block which is connected with the installation rod and an adjusting block which is connected with the adjusting rod are arranged on the positioning rod, the mounting block and the adjusting block are both provided with positioning mechanisms for preventing the positioning rod from moving relative to the mounting rod or the adjusting rod, and the adjusting rod is provided with a clamp for fixing a product.

Through adopting above-mentioned technical scheme, act on actuating mechanism, make actuating mechanism drive and place the platform and rise to the assigned height, install the product on placing the platform, act on positioning mechanism, make anchor clamps and place a combined action, make the product adjust to the position that needs, act on and place the platform, make and place the platform and rotate downwards, the product breaks away from and places the platform, thereby drops the drop test of below assigned position completion product.

Optionally, the mounting block is provided with two positioning mechanisms acting on the mounting rod and the positioning rod respectively, the adjusting block is provided with one positioning mechanism acting on the positioning rod, the positioning mechanism comprises a positioning bolt, a positioning spring and a positioning plate, the positioning bolt on the adjusting block is in threaded connection with the adjusting block and can push the positioning plate to abut against the positioning rod, and the positioning spring on the adjusting block pulls the positioning plate to move in a direction away from the positioning rod; the positioning bolt on the mounting block is threaded on the mounting block and pushes the positioning piece to be tightly abutted to the positioning rod or the mounting rod, and the positioning spring pulls the positioning piece to be separated from the corresponding positioning rod or the mounting rod.

Through adopting above-mentioned technical scheme, rotate positioning bolt, make positioning bolt drive the spacer towards the direction motion of being close to locating lever or installation pole to make the spacer support tightly on locating lever or installation pole, thereby prevent the relative motion of locating lever or installation pole.

Optionally, anchor clamps are including connecting the connecting block of regulating rod tip, the mounting groove has been seted up to the both sides wall that the connecting block is relative, the butt has the mounting panel in the mounting groove, be provided with the pulling in the connecting block the mounting groove supports tightly connecting spring on the connecting block, inside cavity of mounting panel and lower extreme are the opening setting, it is provided with the butt board to slide in the mounting panel, and the pulling mounting panel breaks away from the mounting groove, butt board part stretch out outside the mounting panel for the centre gripping product, the butt board is relative be equipped with the ball that is convenient for the object whereabouts on the surface.

Through adopting above-mentioned technical scheme, act on the mounting panel, make the mounting panel break away from the mounting groove, under the effect of gravity, the butt board is to the mounting panel outward movement, makes the butt board centre gripping on the relative both sides wall of product, and product lower extreme butt is on placing the platform to realize the product and placing the location of bench, be convenient for adjust the position relation of product according to the needs of product whereabouts.

Optionally, the lateral wall that the connecting block is relative rotates and is connected with the butt pole that can rotate in vertical direction, but the butt pole butt is on the lateral wall of product and carry on spacingly to the product, it is connected with the transfer line to rotate on the butt pole, it is connected with the drive bolt that is vertical setting to rotate on the connecting block, threaded connection has the drive block on the drive bolt, the transfer line rotates to be connected on the drive block, the connecting block is provided with and sets up the groove of stepping down that prevents that the transfer line from rotating the in-process and producing the interference on the lateral wall of butt pole.

Through adopting above-mentioned technical scheme, make and install the product and place the bench, according to the angle that the adjacent both sides wall of product is, rotate the drive bolt, make the drive bolt drive the drive block motion to adjust the angle of constituteing between two butt-joint poles, make butt-joint pole butt on the adjacent both sides wall of product, thereby adjust the position relation of product as required.

Optionally, the driving mechanism comprises a driving motor fixed in the installation box, and a driving flywheel connected to an output shaft of the driving motor, a driving chain meshed with the driving flywheel is arranged on the driving flywheel, hooks are fixed at two ends of the driving chain, hanging rings are fixed on upper and lower end faces of the installation box, the hooks are hung on the corresponding hooks, and an adjusting mechanism for tightening the driving chain is arranged on the positioning box.

Through adopting above-mentioned technical scheme, driving motor starts, drives the drive flywheel and rotates, under the effect of drive flywheel, makes the drive chain motion to adjust the installation box height in vertical direction, in order to satisfy the demand of co-altitude not.

Optionally, the upper end surface of the positioning box is provided with an opening, the adjusting mechanism comprises two guiding flywheels which are rotatably connected in the positioning box, and an adjusting flywheel which is arranged in the positioning box and is positioned between the two guiding flywheels, the opposite side walls of the positioning box are vertically provided with guide grooves, the guide grooves are connected with brackets in a sliding and clamping way, the adjusting flywheel is rotationally connected to the bracket, an adjusting spring for pulling the bracket to move downwards is fixed at the bottom of the guide groove, a moving block is arranged on the bottom plate of the positioning box in a sliding manner, a guide surface which inclines downwards is arranged on the upper surface of the moving block, a butting block which is butted on the guide surface is fixed on the lower surface of the bracket, a butting surface which is consistent with the inclination direction of the guide surface is arranged on the lower surface of the butting block, the movable block pushes the abutting block to move upwards in the moving process, and a limiting component for preventing the movable block from sliding in the positioning box is arranged in the positioning box.

Through adopting above-mentioned technical scheme, act on the movable block, make the movable block slide in the location incasement, butt piece butt is on the movable block, and the butt face butt is on the spigot surface, and the movable block promotes the butt piece at the in-process of motion and moves in vertical direction to adjust the elasticity degree of chain, the installation of the chain of being convenient for is followed the dismantlement.

Optionally, the limiting assembly includes two limiting rods fixed in the positioning box, the limiting rods are arranged along the moving direction of the moving block, the moving block is abutted to two opposite side walls of the positioning rod, a plurality of clamping grooves are vertically formed in the opposite side walls of the positioning rod, a limiting hole is formed in the side wall of the positioning rod, a limiting spring is fixedly arranged in the limiting hole, a clamping block capable of being clamped in the corresponding clamping groove is arranged on the limiting spring, a driving groove communicated with the limiting hole is vertically formed in the upper surface of the moving block, a driving rod is fixedly arranged on the clamping block, and the driving rod is located in the driving groove and is convenient for pulling the clamping block to be separated from the clamping groove.

Through adopting above-mentioned technical scheme, move the assigned position when the movable block, under spacing spring's effect, promote joint piece joint at the joint inslot that corresponds, prevent that the movable block from moving at the location incasement to realize the location of movable block at the location incasement, act on the actuating lever, make the actuating lever drive joint piece break away from the joint groove, make the movable block can move at the location incasement.

It is optional, the install bin internal rotation is connected with the axis of rotation that is the level setting, place the platform including fixing the epaxial dwang of rotation is connected at dwang tip and perpendicular to the connecting rod of dwang, be fixed with the location platform on the dwang, be fixed with the ratchet in the axis of rotation, the install bin internal fixation has the fixed block, be fixed with the joint axle on the fixed block, the epaxial rotation of joint is connected with the one-way pivoted pawl of messenger's ratchet, be provided with the pulling all the time on the joint axle the torsional spring of pawl joint on the ratchet, set up in the install bin and make the pawl break away from the slewing mechanism that the dwang rotated in vertical direction.

Through adopting above-mentioned technical scheme, place the product on the location platform, act on anchor clamps, make anchor clamps and location platform combined action, realize the location of product on the location platform, act on slewing mechanism, make the pawl break away from the ratchet, the axis of rotation rotates, drives dwang, connecting rod and location platform and rotates, and the product drops, accomplishes the test.

Optionally, slewing mechanism is including fixing the epaxial actuating cylinder that drives of joint, the joint piece is fixed drive on actuating cylinder's the connecting rod, slewing mechanism is still including fixing in the install bin and pulling the decurrent pivoted drive spring of dwang.

Through adopting above-mentioned technical scheme, drive actuating cylinder connecting rod shrink, the pawl breaks away from the ratchet, and under the effect of drive spring and product gravity, axis of rotation, dwang, connecting rod and location platform rotate to make the product drop from the location platform.

In a second aspect, the application provides a drop test method for a tablet computer, which adopts the following technical scheme:

s0, rotating the rod to rotate the positioning table to a specified angle;

s1, acting on the driving motor to drive the flywheel to drive the driving chain to move, and conveying the positioning table to a specified height;

s2, placing the product on a positioning table, adjusting the position of the product, acting on a clamp, and enabling the clamp and the positioning table to act together, thereby realizing the positioning of the product on the positioning table;

and S3, acting on the driving cylinder to enable the connecting rod of the driving cylinder to contract, enabling the pawl to be separated from the ratchet wheel, enabling the positioning table to rotate, and enabling the product to fall to a specified position from the positioning table to finish the drop test of the product.

Through adopting above-mentioned technical scheme, will fix a position the platform and adjust appointed angle to make the location platform rise to appointed height under driving motor's effect, place the product on the location platform, under the effect of anchor clamps, realize the location of product on the location platform, act on and drive actuating cylinder, make the pawl break away from the ratchet, the location platform rotates, and the product drops, thereby accomplishes whole test process.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving motor drives the positioning table to rise to a specified height, the clamp and the positioning table act together to position the product on the placing table, the driving cylinder acts on the driving cylinder to drive the pawl to be separated from the ratchet wheel, the positioning table rotates under the action of the product gravity of the driving spring, the product is separated from the positioning table, and the process that the product falls off the positioning table is completed;

act on the movable block, make the movable block act on the butt joint piece and move in vertical direction to adjust drive chain's elasticity degree, the installation of the drive chain of being convenient for is followed the dismantlement.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a positioning mechanism according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a clamp according to an embodiment of the present application.

FIG. 4 is a schematic view of the connection structure of the abutment plate on the mounting plate according to the embodiment of the present application.

Fig. 5 is a schematic view of a connection structure of a rotating mechanism according to an embodiment of the present application.

FIG. 6 is a schematic view of the internal structure of the positioning box according to the embodiment of the present application.

Fig. 7 is a schematic structural diagram of an adjustment mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a base; 2. a guide bar; 3. a column; 4. a positioning box; 5. installing a box; 6. a placing table; 7. mounting a rod; 8. positioning a rod; 9. adjusting a rod; 10. mounting blocks; 11. an adjusting block; 12. a clamp; 13. positioning a groove; 14. positioning the bolt; 15. a positioning spring; 16. positioning plates; 17. connecting blocks; 18. mounting grooves; 19. connecting grooves; 20. a connecting spring; 21. mounting a plate; 22. a butt joint plate; 23. a sliding groove; 24. a slider; 25. a stopper; 26. a ball bearing; 27. a butting rod; 28. a transmission rod; 29. a drive bolt; 30. a drive block; 31. a yielding groove; 32. a drive motor; 33. driving a flywheel; 34. a drive chain; 35. hanging a ring; 36. hooking; 37. a guiding flywheel; 38. adjusting the flywheel; 39. a guide groove; 40. adjusting the spring; 41. a support; 42. a moving block; 43. a guide surface; 44. a butting block; 45. an abutting surface; 46. a limiting rod; 47. a clamping groove; 48. a limiting hole; 49. a limiting spring; 50. a clamping block; 51. a drive slot; 52. a drive rod; 53. a rotating shaft; 54. rotating the rod; 55. a connecting rod; 56. a positioning table; 57. a ratchet wheel; 58. a fixed block; 59. clamping the shaft; 60. a pawl; 61. a rotating groove; 62. a torsion spring; 63. a driving cylinder; 64. a drive spring; 65. a drive box; 66. rotating the block; 67. a gear lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

A drop test device of a tablet personal computer comprises a base 1 which is fixed on the ground and is hollow inside, an openable driving box 65 is welded on the upper surface of the base 1, a cylindrical guide rod 2 which is vertically arranged is welded on the upper surface of the driving box 65, a square upright post 3 which is vertically arranged and is hollow inside is welded on the upper surface of the base 1, a positioning box 4 which is connected with the guide rod 2 is welded on the upper end of the upright post 3, the positioning box 4 is horizontally arranged and is provided with an opening on the upper end, the upright post 3 is communicated with the positioning box 4, an installation box 5 which can move in the vertical direction is arranged on the upright post 3 in a sliding way, the side wall of the installation box 5 is abutted against the upright post 3 to prevent the installation box 5 from rotating in the horizontal direction, a placing platform 6 which is used for placing a product is connected on the installation box 5, the placing platform 6 can rotate in the vertical direction to place the product on the placing platform 6, the placing platform 6 rotates to enable the product to be separated from the placing platform 6, and (5) carrying out a drop test on the product.

Referring to fig. 1 and 2, the mounting box 5 is provided with a butting device, the butting device can be matched with the placing platform 6 and used for fixing a product, the butting device comprises a mounting rod 7 welded on the upper surface of the mounting box 5, the mounting rod 7 is vertically arranged, the mounting rod 7 is connected with a horizontally arranged positioning rod 8, the positioning rod 8 is connected with an adjusting rod 9 perpendicular to the positioning rod 8, the positioning rod 8 is provided with a mounting block 10 connected with the mounting rod 7 and an adjusting block 11 connected with the adjusting rod 9, the mounting block 10 is sleeved on the mounting rod 7 and the positioning rod 8 and drives the positioning rod 8 to move in the vertical direction and rotate in the horizontal direction relative to the mounting rod 7, the positioning rod 8 is arranged on the mounting block 10 in a penetrating manner and can move and rotate in the circumferential direction along the positioning rod 8 relative to the mounting block 10, the adjusting block 11 can drive the adjusting rod 9 to move and rotate in the circumferential direction along the axial direction of the positioning rod 8, one end of the adjusting rod 9 is fixed on the adjusting block 11, and the other end is provided with a clamp 12 which is used for fixing the product and coacts with the placing table 6.

Referring to fig. 1 and 2, the mounting block 10 and the adjusting block 11 are provided with two positioning mechanisms for preventing the positioning rod 8 from moving relative to the mounting rod 7 or the adjusting rod 9, and the two positioning mechanisms are provided on the mounting block 10 and are respectively used for preventing the mounting block 10 from moving relative to the mounting rod 7 and preventing the positioning rod 8 from moving relative to the mounting block 10. All seted up constant head tank 13 on installation piece 10 and the regulating block 11, be located constant head tank 13 perpendicular to locating lever 8 on the regulating block 11, constant head tank 13 that is located on installation piece 10 is two and corresponds with two positioning mechanism, and two constant head tanks 13 are perpendicular with installation pole 7 and locating lever 8 respectively, and positioning mechanism is including setting up positioning bolt 14, positioning spring 15 and the spacer 16 in constant head tank 13. Positioning bolt 14 threaded connection is on corresponding installation piece 10 or regulating block 11, positioning spring 15 is located corresponding constant head tank 13 and cup joints on positioning bolt 14, positioning spring 15 one end is fixed in constant head tank 13 the other end is fixed on spacer 16, spacer 16 is the rubber block and butt on the outer wall of corresponding installation pole 7 or locating lever 8, positioning bolt 14 tip butt spacer 16 is last, rotation positioning bolt 14 makes positioning bolt 14 promote spacer 16 and butt tightly on locating lever 8 or installation pole 7, prevent installation pole 7 or locating lever 8 relative motion, reverse rotation positioning bolt 14, under positioning spring 15's effect pull positioning plate 16 towards the direction motion that is close to positioning bolt 14, make locating lever 8 or installation pole 7 relative motion.

Referring to fig. 1, 3 and 4, the fixture 12 includes a connecting block 17 fixed at the end of the adjusting rod 9, mounting grooves 18 have been opened on two opposite side walls of the connecting block 17, a mounting plate 21 for covering the opening of the mounting groove 18 is installed in the mounting groove 18, a connecting groove 19 has been opened on two opposite side walls of the mounting groove 18 opened on the connecting block 17, a connecting spring 20 is fixed in the connecting groove 19, one end of the connecting spring 20 is welded in the connecting groove 19, and the other end is welded on the side wall of the mounting plate 21 and pulls the mounting block 10 to abut against the mounting groove 18. The inside cavity of mounting panel 21 and lower extreme personally submit the opening setting, the sliding is provided with butt plate 22 in the mounting panel 21, sliding tray 23 has been seted up to mounting panel 21 inner wall, the opening of sliding tray 23 perpendicular to mounting panel 21 lower extreme, butt plate 22 lateral wall welding has sliding block 24 of joint in sliding tray 23 that slides, sliding tray 23 lower extreme open position welding has the dog 25 that prevents sliding block 24 and break away from sliding tray 23, break away from mounting groove 18 when mounting panel 21, under the effect of gravity, butt plate 22 downstream, the part breaks away from mounting panel 21, make butt plate 22 press from both sides in the both sides that the product is relative, fix a position the product, inlay the ball 26 that is equipped with a plurality of products of being convenient for and butt plate 22 separation under the effect of gravity in the terminal surface of butt plate 22 butt in the product.

Referring to fig. 1, fig. 3 and fig. 4, the opposite side walls of the connecting block 17 are connected with a butt rod 27 capable of rotating in the vertical direction through a rotating shaft, the butt rod 27 is capable of rotating in the vertical direction, when the butt rod 27 is located on the side wall connected with the mounting plate 21, the butt plate 22 and the mounting plate 21 are arranged in a staggered manner in the horizontal direction, the butt rod 27 is connected with a transmission rod 28 through a rotating shaft, the upper end face of the connecting block 17 is rotated to connect with a driving bolt 29 which is vertically arranged, a driving block 30 is connected to the driving bolt 29 through threads, one end of the transmission rod 28 is connected to the butt rod 27 through a rotating shaft, the other end of the transmission rod is connected to the driving block 30 through a rotating shaft, an abdicating groove 31 is formed on the side wall of the connecting block 17 connected with the butt rod 27, the transmission rod 28 can rotate to the abdicating groove 31, and interference caused by the connecting block 17 in the rotating process of the transmission rod 28 is prevented. According to the size of the product, the driving bolt 29 is rotated, so that the driving bolt 29 drives the transmission rod 28 to rotate in the vertical direction, and the abutting rods 27 are driven to rotate, the size of the front opening of the two abutting rods 27 is adjusted, and the abutting rods 27 abut against the side walls of the product, so that the position relation required when the product falls from different angles is met.

Referring to fig. 1 and 5, a driving mechanism for driving the installation box 5 to move in the vertical direction is arranged in the driving box 65, the driving mechanism includes a driving motor 32 fixed in the installation box 5, a driving flywheel 33 is fixed on an output shaft of the driving motor 32, an axis of the driving flywheel 33 is horizontally arranged, a driving chain 34 meshed with the driving flywheel 33 is arranged on the driving flywheel 33, one end of the driving chain 34 penetrates through a side wall of the driving box 65 and penetrates through the upright post 3, a bottom plate vertically penetrating through the positioning box 4 is connected to the upper end face of the installation box 5, the other end of the driving chain 34 penetrates through the upper end face of the driving box 65 and is connected to the lower end face of the installation box 5, hanging rings 35 are welded on the upper surface and the lower surface of the installation box 5, and hooks 36 hung on the corresponding hanging rings 35 are welded at two ends of the driving chain 34.

Referring to fig. 6 and 7, an adjusting mechanism for tightening the driving chain 34 is disposed on the positioning box 4, the adjusting mechanism includes two guiding flywheels 37 rotatably connected in the positioning box 4, the two guiding flywheels 37 are engaged with the driving chain 34, an adjusting flywheel 38 engaged with the driving chain 34 is disposed in the positioning box 4 between the two guiding flywheels 37, axes of the guiding flywheels 37 and the adjusting flywheel 38 are perpendicular to a moving direction of the driving chain 34, two side walls of the positioning box 4 perpendicular to the moving direction of the driving chain 34 are vertically provided with guiding grooves 39, a bracket 41 connected with the two guiding grooves 39 is slidably disposed in the guiding grooves 39, the bracket 41 can move in the vertical direction, the adjusting flywheel 38 is rotatably connected to the bracket 41 through a rotating shaft, an adjusting spring 40 vertically disposed is fixed at the bottom of the guiding grooves 39, a lower end of the adjusting spring 40 is welded in the guiding grooves 39, an upper end of the adjusting spring is welded at the bottom of the bracket 41 and pulls the bracket 41 to move downwards, a moving block 42 is slidably arranged on a bottom plate of the positioning box 4, the moving direction of the moving block 42 is parallel to the moving direction of the driving chain 34 in the positioning box 4, a guide surface 43 which is inclined downwards is arranged on the upper surface of the moving block 42, a butting block 44 which is butted on the guide surface 43 is welded on the lower surface of the support 41, a butting surface 45 which is consistent with the inclined direction of the guide surface 43 is arranged on the lower surface of the butting block 44, when the moving block 42 moves towards the direction close to the adjusting flywheel 38, the moving block 42 pushes the butting block 44 to move upwards, and the adjusting spring 40 extends to enable the driving chain 34 to be in a tightening state.

Referring to fig. 6 and 7, a limiting component for preventing the moving block 42 from sliding in the positioning box 4 is arranged in the positioning box 4, the limiting component comprises a limiting rod 46 welded on the inner walls of two sides of the positioning box 4, the limiting rod 46 is parallel to the moving direction of the moving block 42, the side wall of the moving block 42 is abutted against the side wall of the corresponding positioning rod 8, a plurality of clamping grooves 47 are vertically formed in the side wall of the positioning rod 8, the clamping grooves 47 are arranged along the length direction of the positioning rod 8, a limiting hole 48 is formed in the side wall of the moving block 42 in an abutting mode and perpendicular to the moving direction of the moving block 42, a limiting spring 49 horizontally arranged is fixed in the limiting hole 48, one end of the limiting spring 49 is welded in the limiting hole 48, a clamping block 50 is welded at the other end of the limiting spring 50, the clamping block 50 can be clamped in the corresponding clamping grooves 47 under the effect of the limiting spring 49, and the moving block 42 is prevented from moving in the positioning box 4. The driving groove 51 that communicates with spacing hole 48 is vertically seted up to the movable block 42 upper surface, and the projection perpendicular to movable block 42 direction of motion of driving groove 51 on the horizontal direction is fixed with actuating lever 52 on the joint piece 50, and actuating lever 52 is vertical setting and is located actuating groove 51, acts on actuating lever 52, makes actuating lever 52 joint piece 50 break away from joint groove 47 to the movable block 42 of being convenient for moves in location case 4.

Referring to fig. 1 and 5, install bin 5 bottom is the opening setting, and the installation bin 5 internal rotation is connected with the axis of rotation 53 that is the level setting, places platform 6 including fixing the dwang 54 on axis of rotation 53, connects at dwang 54 tip and perpendicular to dwang 54's connecting rod 55, and connecting rod 55 one end welding is on dwang 54, and the other end welding has a location platform 56 that is used for placing the product, and location platform 56 is rotatable to the level. A ratchet wheel 57 is fixed on the rotating shaft 53, the ratchet wheel 57 is coaxial with the rotating shaft 53, two fixing blocks 58 are welded on the inner wall of the installation box 5, a clamping shaft 59 connected with the two fixing blocks 58 is fixed on the fixing block 58, the clamping shaft 59 is parallel to the rotating shaft 53, a rotating block 66 is rotatably connected on the clamping shaft 59, a pawl 60 is fixed on the rotating block 66, a rotating groove 61 is formed in the rotating block 66, a torsion spring 62 is sleeved on the clamping shaft 59, the torsion spring 62 is located in the rotating groove 61, one end of the torsion spring 62 is welded on the clamping shaft 59, the other end of the torsion spring 62 is welded on the rotating block 66, the pawl 60 is always clamped in a groove in the outer wall of the ratchet wheel 57, and under the effects of the torsion spring 62 and the pawl 60, the rotating rod 54 can drive the connecting rod 55 and the positioning table 56 fixed at the end of the connecting rod 55 to rotate upwards and smoothly.

Referring to fig. 1 and 6, a rotating mechanism for disengaging the pawl 60 from the ratchet wheel 57 is arranged on the clamping shaft 59, the rotating mechanism comprises a driving cylinder 63 welded on a rotating block 66, the pawl 60 is welded at the end of a connecting rod of the driving cylinder 63, the rotating mechanism further comprises a driving spring 64 arranged in the installation box 5, one end of the driving spring 64 is welded in the installation box 5, the other end of the driving spring 64 is welded on the rotating rod 54, when the pawl 60 disengages from the ratchet wheel 57, the rotating rod 54 is pulled to rotate downwards under the action of the driving spring 64, a stop lever 67 is welded on the inner wall of the installation box 5, when the rotating rod 54 is pulled to rotate downwards under the action of the driving spring 64, a product disengages from the positioning table 56, the rotating rod 54 abuts against the stop lever 67, and the possibility that the installation box 5 is damaged due to the fact that the rotating block directly acts on the installation box 5 is reduced.

The implementation principle of the drop test equipment of the tablet computer in the embodiment of the application is as follows: acting on the moving block 42, in the moving process of the moving block 42, pushing the adjusting flywheel 38 to move upwards to enable the driving chain 34 to be in a tightened state, adjusting the inclination angle of the positioning table 56 in the horizontal direction as required, starting the driving motor 32, sending the positioning table 56 to a specified position under the action of the driving chain 34, placing a product on the positioning table 56, acting on the adjusting rod 9, adjusting the position relation between the clamp 12 and the product, enabling the abutting plate 22 to clamp the product as required, or enabling the abutting rod 27 to abut against the side wall of the product, thereby realizing the positioning of the product on the positioning table 56, acting on the driving cylinder 63, enabling the driving cylinder 63 to drive the pawl 60 to be separated from the ratchet wheel 57, pulling the rotating rod 54, the connecting rod 55 and the positioning table 56 to rotate under the action of the driving spring 64, so that the product is separated from the positioning table 56, and completing the whole falling process.

The embodiment of the application further discloses a drop test method of the tablet computer, which comprises the following steps:

s0, rotating the rod 54 to rotate the positioning table 56 to a proper position according to the falling environment of the product;

s1, acting on the driving motor 32, driving the chain to move under the combined action of the driving flywheel 33, the guiding flywheel 37 and the adjusting flywheel 38, and sending the positioning table 56 to the designated height;

s2, placing the product on the positioning table 56, adjusting the position relation of the clamp 12 relative to the positioning table 56 according to the size of the product, and enabling the abutting plate 22 to clamp the opposite side wall of the product or enabling the abutting rod 27 to abut against the appointed position of the product according to the requirement to realize the static placement of the product on the positioning table 56;

and S3, acting on the driving cylinder 63 to contract the connecting rod of the driving cylinder 63, enabling the pawl 60 to be separated from the ratchet wheel 57, and enabling the product to fall to a specified position from the positioning table 56 under the action of the driving spring 64, the product and the gravity of the positioning table 56 to complete the drop test of the product.

The implementation principle of the drop test method of the tablet computer in the embodiment of the application is as follows: according to the requirement, the positioning table 56 is lifted to a specified height, the product is placed on the positioning table 56, the product is positioned on the positioning table 56 under the action of the clamp 12, the pawl 60 is driven by the driving cylinder 63 to be separated from the ratchet wheel 57, the positioning table 56 rotates, the product is separated from the positioning table 56 and falls to a specified position below, and the whole falling process is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a drop test equipment of panel computer, includes base (1), connects drive case (65) and stand (3) on base (1), connects guide arm (2) on drive case (65), connects install bin (5) on guide arm (2), stand (3) upper end is provided with the connection location case (4) of guide arm (2), be provided with the drive in drive case (65) install bin (5) the actuating mechanism of motion in vertical direction, be provided with in install bin (5) and be used for placing the product and can be in the vertical direction wobbling platform (6) of placing, its characterized in that: the product fixing device is characterized in that a butting device which is matched with the placing table (6) and used for fixing a product is arranged on the installing box (5), the butting device comprises an installing rod (7) which is fixed on the installing box (5) and vertically arranged, a positioning rod (8) which is connected on the installing rod (7) and horizontally arranged, an adjusting rod (9) which is perpendicular to the positioning rod (8) is connected on the positioning rod (8), an installing block (10) which is connected with the installing rod (7) and an adjusting block (11) which is connected with the adjusting rod (9) are arranged on the positioning rod (8), a positioning mechanism which prevents the positioning rod (8) from moving relative to the installing rod (7) or the adjusting rod (9) is arranged on the installing block (10) and the adjusting block (11), and a clamp (12) which is used for fixing the product is arranged on the adjusting rod (9).

2. The drop test device of a tablet computer according to claim 1, wherein: the mounting block (10) is provided with two positioning mechanisms which respectively act on the mounting rod (7) and the positioning rod (8), the adjusting block (11) is provided with one positioning mechanism which acts on the positioning rod (8), the positioning mechanism comprises a positioning bolt (14), a positioning spring (15) and a positioning sheet (16), the positioning bolt (14) on the adjusting block (11) is in threaded connection with the adjusting block (11) and can push the positioning sheet (16) to tightly abut against the positioning rod (8), and the positioning spring (15) on the adjusting block (11) pulls the positioning sheet (16) to move towards the direction far away from the positioning rod (8); the positioning bolt (14) on the mounting block (10) is in threaded connection with the mounting block (10) and pushes the positioning piece (16) to be tightly abutted to the positioning rod (8) or the mounting rod (7), and the positioning spring (15) pulls the positioning piece (16) to be separated from the positioning rod (8) or the mounting rod (7).

3. The drop test device of a tablet computer according to claim 1, wherein: anchor clamps (12) are including connecting block (17) of adjusting pole (9) tip, mounting groove (18) have been seted up to connecting block (17) relative both sides wall, the butt has mounting panel (21) in mounting groove (18), be provided with the pulling in connecting block (17) mounting groove (18) support tightly connecting spring (20) on connecting block (17), the inside cavity of mounting panel (21) and lower extreme are the opening setting, mounting panel (21) internal slipping is provided with butt plate (22), and pulling mounting panel (21) break away from mounting groove (18), butt plate (22) part stretch out outside mounting panel (21) for the centre gripping product, butt plate (22) relative be equipped with ball (26) of being convenient for the object whereabouts on the surface.

4. The drop test device of a tablet computer according to claim 3, wherein: connecting block (17) relative lateral wall rotates to be connected with can be in vertical direction go up the pole (27) of keeping to, but keep to the pole (27) butt on the lateral wall of product and carry on spacingly to the product, it is connected with transfer line (28) to keep to rotate on pole (27), it is connected with drive bolt (29) that are vertical setting to rotate on connecting block (17), threaded connection has drive block (30) on drive bolt (29), transfer line (28) rotate to be connected on drive block (30), set up on the lateral wall of connecting block (17) that are provided with the pole (27) of keeping to prevent that transfer line (28) from rotating the in-process and producing groove (31) of stepping down of interfering.

5. The drop test device of a tablet computer according to claim 1, wherein: the driving mechanism comprises a driving motor (32) fixed in an installation box (5) and is connected with a driving flywheel (33) on an output shaft of the driving motor (32), a driving chain (34) meshed with the driving flywheel (33) is arranged on the driving flywheel (33), hooks (36) are fixed at two ends of the driving chain (34), hanging rings (35) are fixed on the upper end surface and the lower end surface of the installation box (5), the hooks (36) are hung and connected correspondingly on the hooks (36), and an adjusting mechanism for tightening the driving chain (34) is arranged on a positioning box (4).

6. The drop test device of a tablet computer according to claim 5, wherein: the upper end surface of the positioning box (4) is provided with an opening, the adjusting mechanism comprises two guide flywheels (37) rotatably connected in the positioning box (4) and an adjusting flywheel (38) arranged in the positioning box (4) and positioned between the two guide flywheels (37), the opposite side wall of the positioning box (4) is vertically provided with a guide groove (39), the guide groove (39) is internally connected with a bracket (41) in a sliding and clamping manner, the adjusting flywheel (38) is rotatably connected on the bracket (41), the bottom of the guide groove (39) is fixed with an adjusting spring (40) for pulling the bracket (41) to move downwards, a moving block (42) is arranged on the bottom plate of the positioning box (4) in a sliding manner, the upper surface of the moving block (42) is provided with a downward inclined guide surface (43), and the lower surface of the bracket (41) is fixed with a butting block (44) butted on the guide surface (43), the lower surface of the abutting block (44) is provided with an abutting surface (45) which is consistent with the inclination direction of the guide surface (43), the moving block (42) pushes the abutting block (44) to move upwards in the moving process, and a limiting component for preventing the moving block (42) from sliding in the positioning box (4) is arranged in the positioning box (4).

7. The drop test device of a tablet computer according to claim 6, wherein: the limiting assembly comprises two limiting rods (46) fixed in the positioning box (4), the limiting rods (46) are arranged along the moving direction of a moving block (42), the moving block (42) abuts against two opposite side walls of the positioning rod (8), a plurality of clamping grooves (47) are vertically formed in the opposite side walls of the positioning rod (8), the moving block (42) abuts against the side walls of the positioning rod (8) and is provided with limiting holes (48), limiting springs (49) are fixed in the limiting holes (48), clamping blocks (50) capable of being clamped in the corresponding clamping grooves (47) are arranged on the limiting springs (49), driving grooves (51) communicated with the limiting holes (48) are vertically formed in the upper surface of the moving block (42), driving rods (52) are fixed on the clamping blocks (50), the driving rods (52) are located in the driving grooves (51) and are convenient to pull the clamping blocks (50) to be separated from the clamping grooves (47) ).

8. The drop test device of a tablet computer according to claim 7, wherein: a rotating shaft (53) which is horizontally arranged is rotationally connected in the mounting box (5), the placing table (6) comprises a rotating rod (54) fixed on the rotating shaft (53), a connecting rod (55) connected to the end part of the rotating rod (54) and vertical to the rotating rod (54), a positioning table (56) is fixed on the rotating rod (54), a ratchet wheel (57) is fixed on the rotating shaft (53), a fixed block (58) is fixed in the mounting box (5), a clamping shaft (59) is fixed on the fixed block (58), a pawl (60) which enables the ratchet wheel (57) to rotate in one direction is rotatably connected on the clamping shaft (59), a torsion spring (62) which always pulls the pawl (60) to be clamped on the ratchet wheel (57) is arranged on the clamping shaft (59), a rotating mechanism which enables the pawl (60) to be separated from the ratchet wheel (57) and enables the rotating rod (54) to rotate in the vertical direction is arranged in the installation box (5).

9. The drop test device of a tablet computer according to claim 8, wherein: slewing mechanism is including fixing drive actuating cylinder (63) on joint axle (59), joint piece (50) are fixed on the connecting rod of drive actuating cylinder (63), slewing mechanism is still including fixing in install bin (5) and pulling dwang (54) pivoted drive spring (64) downwards.

10. A drop test method using a drop test apparatus of a tablet pc according to claims 1-9, comprising the steps of:

s0, rotating the rotating rod (54) to rotate the positioning table (56) to a specified angle;

s1, acting on the driving motor (32), making the driving flywheel (33) drive the driving chain (34) to move, and sending the positioning table (56) to the designated height;

s2, placing the product on the positioning table (56), adjusting the position of the product, acting on the clamp (12), and enabling the clamp (12) and the positioning table (56) to act together, so that the product is positioned on the positioning table (56);

and S3, acting on the driving cylinder (63), enabling the connecting rod of the driving cylinder (63) to contract, enabling the pawl (60) to be separated from the ratchet wheel (57), enabling the positioning table (56) to rotate, enabling the product to fall to a specified position from the positioning table (56), and completing the falling test of the product.