CN210863090U

CN210863090U - Single-arm drop test device

Info

Publication number: CN210863090U
Application number: CN201922272621.6U
Authority: CN
Inventors: 高祥; 李奎; 朱平安; 周永强
Original assignee: Dongguan Tengsheng Plastic Hardware Co ltd
Current assignee: Dongguan Tengsheng Plastic Hardware Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-26
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a test equipment technical field, more specifically say, it relates to a single armed drop test device, and its technical scheme main points are: comprises a frame, a throwing plate and a lifting box; a fixed rod is arranged above the lifting box, a cross rod is arranged at the upper end of the fixed rod, and a rack is arranged at one end of the cross rod; a second adjusting mechanism is arranged between the cross rod and the rack, a through hole is formed in one end, far away from the fixed rod, of the cross rod, and the rack is connected in the through hole in a sliding mode; the second adjusting mechanism comprises an accommodating groove and a second gear which is rotatably borne in the accommodating groove, the second gear is coaxially and fixedly connected with a second worm wheel, a second worm is also rotatably borne in the accommodating groove and meshed with the second worm wheel, and a first adjusting mechanism for adjusting the horizontal position of the cross rod is arranged between the cross rod and the fixed rod; the utility model has the advantages of can make positioning disk and product butt position comparatively accurate to improve the accuracy of test result.

Description

Single-arm drop test device

Technical Field

The utility model relates to a test equipment technical field, more specifically say, it relates to a single armed drop test device.

Background

The single-arm drop test machine is also called a single-wing drop test machine, is specially used for testing the damage condition of a product package caused by dropping and evaluating the impact resistance strength during transportation and transportation processes, can be used for performing free drop tests on the surface, the angle and the edge of a product, is provided with a digital display height display instrument and adopts a decoder for height tracking, and therefore the drop height of the product can be accurately given.

For example, a drop test machine with the publication number of CN202141573U, includes a base, a guide rod fixedly mounted on the upper portion of the base, a transmission lead screw fixedly mounted on the upper portion of the base and parallel to the guide rod, a motor drivingly connected to the transmission lead screw, a console sleeved on the guide rod and the transmission lead screw, an air cylinder fixedly mounted on the console, a support arm rotatably mounted below the console and having one end fixedly connected to the air cylinder, a support plate mounted at the other end of the support arm, a fixed rod fixedly mounted at the end of the air cylinder, a first rotating rod rotatably mounted on the fixed rod through a first lock catch, a second rotating rod rotatably mounted on the first rotating rod through a second lock catch, and a positioning plate fixedly mounted at one end of the second rotating rod; the drop test machine can keep parameters of multiple drop processes of the drop test consistent.

The above prior art solutions have the following drawbacks: when adjusting the positioning disk of second dwang one end and the butt such as arris, angle of product, because the second dwang rocks easily when screwing up the second hasp, screws up the easy deviation in position of second dwang behind the second hasp, leads to positioning disk and product butt position to appear crooked easily to lead to the test result deviation, consequently remain to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a single armed drop test device has and to make positioning disk and product butt position comparatively accurate to improve the advantage of the accuracy of test.

The above technical purpose of the present invention can be achieved by the following technical solutions: a single-arm drop test device comprises a rack, a drop plate and a lifting box; the top of lift case is provided with the dead lever, the upper end of dead lever is provided with horizontally horizontal pole, its characterized in that: a through hole penetrates through the cross rod in the vertical direction far away from the fixed rod, a rack is connected to the through hole in a sliding mode up and down, and a second adjusting mechanism used for driving the rack to move longitudinally is arranged between the cross rod and the rack; the second adjusting mechanism comprises a containing groove arranged on one side of the through hole and a second gear which is supported in the containing groove in a rotating mode and meshed with the rack, a second worm wheel is coaxially arranged on the second gear, a second worm is supported in the containing groove in a rotating mode, the second worm is meshed with the second worm wheel, one end, far away from the fixing rod, of the second worm penetrates through the transverse rod, and a first adjusting mechanism used for adjusting transverse rod transverse movement is arranged between the transverse rod and the fixing rod.

Through adopting above-mentioned technical scheme, operating personnel rotates the second worm and drives the second worm wheel and rotate, drive in the rack of second gear meshing through the second gear and go up and down, and the auto-lock effect of worm wheel and worm, the worm rotates promptly and can drive the worm wheel and rotate, the worm wheel rotates and can not drive the worm and rotate, and then remove suitable position department when the second rack and can obtain fixedly, avoid the rack to move about, and then realized adjusting the height of rack in vertical side and fixed, so that positioning disk and product butt position are comparatively accurate, thereby improve the accuracy of test.

The present invention may be further configured in a preferred embodiment as: first adjustment mechanism includes the slide rail of fixed mounting on the dead lever top, the horizontal pole slides and connects in the slide rail, one side of horizontal pole evenly is provided with the projection along the length direction interval of horizontal pole, and the lateral wall of dead lever upper end still rotates and is connected with first gear, first gear with the projection meshing of horizontal pole, first gear is coaxial to be provided with first worm wheel, one side of dead lever is rotated and is born the weight of first worm, first worm and the meshing of first worm wheel.

Through adopting above-mentioned technical scheme, operating personnel rotates first worm and can drive first gear through first worm wheel and rotate to order about the horizontal pole and slide along the slide rail, the auto-lock effect of worm gear can prevent the horizontal pole swing to a certain extent moreover.

The present invention may be further configured in a preferred embodiment as: and two check blocks are fixedly arranged on one side of the cross rod and are respectively positioned at the head end and the tail end of the plurality of convex columns in the arrangement direction.

Through adopting above-mentioned technical scheme, the dog can prevent that operating personnel from excessively rotating first worm in order to avoid horizontal pole roll-off slide rail.

The present invention may be further configured in a preferred embodiment as: one end of the first worm is fixedly provided with a first rotating handle.

Through adopting above-mentioned technical scheme, first handle of changeing can make things convenient for operating personnel to rotate first worm.

The present invention may be further configured in a preferred embodiment as: the bottom of rack is provided with the positioning disk that is used for with the surperficial butt of the product that awaits measuring, is provided with fixed establishment between rack and the positioning disk.

Through adopting above-mentioned technical scheme, the positioning disk is used for with the surface butt of the product that awaits measuring with the shock resistance of test product different regions.

The present invention may be further configured in a preferred embodiment as: fixed establishment is including fixed setting the extension pipe of the bottom of rack to and fixed setting are in the erection column of one side of being close to the rack of positioning disk, the outer wall circumference of one side of being close to the rack on the erection column is provided with a plurality of draw-in groove, it can stretch out the card post in the draw-in groove to slide in the draw-in groove to be connected with, fixedly connected with pressure spring between the tank bottom of card post and draw-in groove, just the one end that the draw-in groove was kept away from to the card post is the fillet setting, the lateral wall circumference of extension pipe is provided with a plurality of confession card post one-to-one joint complex card hole, when the pressure spring is under the natural state, card post and card hole joint just run through.

Through adopting above-mentioned technical scheme, insert the erection column of positioning disk in the extension pipe, the draw-in groove aligns the back with the card hole, blocks the post and blocks the hole joint under the restoring force effect of pressure spring, reaches the purpose of fixed positioning disk.

The present invention may be further configured in a preferred embodiment as: the extension pipe is further provided with an unlocking device, the unlocking device comprises a unlocking ring sleeved on the outer wall of the extension pipe in a sliding mode, and the inner wall of the unlocking ring is mutually abutted to the round corner end of the clamping column and slides mutually.

Through adopting above-mentioned technical scheme, slip the unlocking ring for in the unlocking ring supports to press the card post and can make the card post retreat in the draw-in groove, relieve the locking between extension pipe and the erection column, thereby conveniently take out the erection column and change work.

The present invention may be further configured in a preferred embodiment as: the outer wall of the end, close to the mounting column, of the extension pipe is fixedly provided with an anti-falling block.

Through adopting above-mentioned technical scheme, the anticreep piece can prevent to separate the catch and drop from the extension pipe.

The present invention may be further configured in a preferred embodiment as: the lifting box is characterized in that a cylinder in a vertical inverted state is fixedly mounted at the top end of the lifting box, a support arm is connected to the bottom end of the lifting box in a rotating mode, one end of the support arm is fixedly connected with a piston rod of the cylinder, a support plate is fixedly mounted at the other end of the support arm, and when the piston rod of the cylinder is in an extending state, the support plate is in a horizontal state.

Through adopting above-mentioned technical scheme, operating personnel controls the layer board state through controlling the cylinder.

To sum up, the utility model discloses a following at least one useful technological effect:

1. an operator rotates the second worm to drive the second worm wheel to rotate, the rack meshed with the second gear is driven to lift through the second gear, and the self-locking effect of the worm and gear can fix the rack to a certain extent, so that the disorder of the rack is avoided; therefore, the height of the rack in the vertical direction is adjusted, so that the positioning disc is relatively fit with a product to be tested;

2. an operator can drive the first gear to rotate through the first worm gear by rotating the first worm, so that the cross rod is driven to slide along the sliding rail, and the self-locking effect of the worm and gear can prevent the cross rod from swinging to a certain extent;

3. the mounting column of the positioning disc is inserted into the extension pipe, and after the clamping groove is aligned with the clamping hole, the clamping column is clamped with the clamping hole under the action of restoring force of the pressure spring, so that the purpose of fixing the positioning disc is achieved.

Drawings

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

fig. 2 is a schematic diagram of a partial explosion of an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a partial cross-sectional view of an embodiment of the invention;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is an assembly diagram of the rack, the extension pipe and the mounting post according to the embodiment of the present invention.

Reference numerals: 1. a frame; 101. a base table; 102. a suspension block; 103. a guide bar; 2. a lifting box; 3. breaking the plate; 4. a drive screw; 5. a drive motor; 6. a cylinder; 7. a support arm; 701. a support plate; 8. fixing the rod; 801. a slide rail; 802. a first gear; 803. a first worm gear; 804. mounting blocks; 805. a first worm; 806. a first stem; 9. a cross bar; 901. a convex column; 902. a stopper; 903. a through hole; 10. a rack; 11. a containing groove; 1101. a second gear; 1102. a second worm gear; 1103. a second worm; 1104. a second stem; 12. positioning a plate; 13. an extension tube; 1301. a clamping hole; 1302. unlocking the ring; 1303. an anti-drop block; 14. mounting a column; 1401. a card slot; 1402. clamping the column; 1403. and (5) pressing a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A single-arm drop test device, referring to fig. 1, comprises a frame 1, a lifting box 2 and a drop plate 3; the frame 1 comprises a base platform 101 which is horizontally arranged, a suspension block 102 which is arranged right above the base platform 101 and a guide rod 103 which is fixedly arranged between the base platform 101 and the suspension block 102, wherein the guide rod 103 is vertical to the base platform 101. Meanwhile, the lifting box 2 is arranged between the base platform 101 and the suspension block 102, the guide rod 103 vertically penetrates through the lifting box 2, and the lifting box 2 is connected to the guide rod 103 in a sliding manner; the frame 1 is also provided with a driving mechanism for driving the lifting box 2 to lift. Specifically, the driving mechanism comprises a transmission lead screw 4 and a driving motor 5 for driving the transmission lead screw 4 to rotate, the transmission lead screw 4 is rotatably connected between the base platform 101 and the suspension block 102, the transmission lead screw 4 is parallel to the guide rod 103, the transmission lead screw 4 penetrates through the lifting box 2 in a threaded manner, and the driving motor 5 is fixedly mounted on the suspension block 102.

Referring to fig. 2 and 3, a cylinder 6 in a vertical inverted state is fixedly installed at the top end of the lifting box 2, a support arm 7 with two free ends is rotatably connected to the bottom end of the lifting box 2, one end of the support arm 7 is fixedly connected with a piston rod of the cylinder 6, a support plate 701 is fixedly installed at the other end of the support arm, and when the piston rod of the cylinder 6 is in an extended state, the support plate 701 is in a horizontal state. Simultaneously, the top fixed mounting of cylinder 6 has the dead lever 8 of vertical setting, and the upper end of dead lever 8 is provided with horizontally horizontal pole 9, and the cross-section of dead lever 8 and horizontal pole 9 all is the rectangle setting, is provided with first adjustment mechanism between horizontal pole 9 and the dead lever 8. Specifically, the first adjusting mechanism comprises a sliding rail 801 fixedly mounted at the top end of the fixing rod 8, the sliding rail 801 is horizontally arranged, the cross rod 9 is connected in the sliding rail 801 in a sliding manner, cylindrical convex columns 901 are uniformly arranged on one side of the cross rod 9 at intervals along the length direction of the cross rod 9, a first gear 802 is further rotatably connected to the side wall of the upper end of the fixing rod 8, the first gear 802 is meshed with a plurality of convex columns 901 of the cross rod 9, in addition, a first worm wheel 803 is coaxially fixed on the first gear 802, two parallel mounting blocks 804 are fixedly mounted on one side of the fixing rod 8, the mounting blocks 804 are perpendicular to the fixing rod 8, a first worm 805 is rotatably supported between the two mounting blocks 804, and the first worm 805 is meshed with the first worm; one end of the first worm 805 extends through one of the mounting blocks 804 and is fixedly mounted with a first stem 806. The two sides of the cross bar 9 are fixedly provided with rectangular stoppers 902, and the stoppers 902 are located at the head and tail ends of the plurality of convex columns 901 in the arrangement direction.

Referring to fig. 4 and 5, a rack 10 in a vertical state is arranged at one end of the cross bar 9 far away from the fixing rod 8; a second adjusting mechanism is arranged between the cross rod 9 and the rack 10. A through hole 903 is formed in one end, far away from the fixed rod 8, of the cross rod 9 in the vertical direction, and the rack 10 is connected in the through hole 903 in a sliding mode; specifically, the second adjusting mechanism includes an accommodating groove 11 formed in one side of the through hole 903 far away from the fixing rod 8 and a second gear 1101 rotatably supported in the accommodating groove 11 and engaged with the rack 10, the second gear 1101 is coaxially and fixedly connected with a second worm wheel 1102, the accommodating groove 11 is further rotatably supported with a second worm 1103, the second worm 1103 is engaged with the second worm wheel 1102, one end of the second worm 1103 far away from the fixing rod 8 penetrates through and extends out of the cross rod 9, and one end of the second worm 1103 extending out of the cross rod 9 is fixedly connected with a second rotating handle 1104.

Referring to fig. 4 and 6, the bottom end of the rack 10 is provided with a positioning plate 12, and the fall plate 3 is located right below the positioning plate 12. In order to meet the requirements of different positioning disks 12 in different use environments, the rack 10 and the positioning disks 12 are detachably arranged; specifically, an extension pipe 13 is welded at the bottom end of a rack 10, a mounting column 14 is fixedly mounted on one side, close to the rack 10, of a positioning disc 12, two clamping grooves 1401 are circumferentially formed in the outer wall of one side, close to the rack 10, of the mounting column 14, clamping columns 1402 extending out of the clamping grooves 1401 are connected in a sliding mode in the clamping grooves 1401, a pressure spring 1403 is fixedly connected between the clamping columns 1402 and the bottoms of the clamping grooves 1401, one ends, far away from the clamping grooves 1401, of the clamping columns 1402 are arranged in a circular angle mode, two clamping holes 1301 for the clamping columns 1402 to be correspondingly clamped and matched one by one are circumferentially formed in the side wall of the extension pipe 13, and when the pressure spring 1403 is in a natural state, the clamping columns 1402 are; still be provided with unlocking device on the extension pipe 13, specifically, unlocking device is including sliding the unlocking ring 1302 that cup joints on the outer wall of extension pipe 13, and the mutual butt of the fillet end of unlocking ring 1302 inner wall and card post 1402 just slides each other. To prevent the unlocking ring 1302 from falling off the extension pipe 13, a falling-off prevention block 1303 is fixedly mounted on the outer wall of the extension pipe 13 near one end of the mounting post 14.

The general working principle is as follows: an operator starts a driving motor 5, so that a transmission lead screw 4 rotates to adjust the position of a lifting box 2 in the vertical direction, the distance from a supporting plate 701 to a falling plate 3 meets the operation requirement, the height of a cross rod 9 on a fixed rod 8 is adjusted by rotating a rotating handle, then a rotating column is rotated to adjust the height of a rack 10 in the vertical direction, so that a positioning disc 12 is matched with a product to be tested relatively, then an air cylinder 6 is started, so that a support arm 7 drives the supporting plate 701 to rotate, the product borne on the supporting plate 701 freely falls onto the falling plate 3 below the supporting plate 701, and the experiment can be completed; when different products need to be tested, the unlocking ring 1302 is slid to the position of the clamping hole 1301, so that the clamping column 1402 returns into the accommodating groove 11, the purpose of unlocking the mounting column 14 and the extension pipe 13 is achieved, and different positioning discs 12 can be replaced to fit different products.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A single-arm drop test device comprises a rack (1), a drop plate (3) and a lifting box (2); the top of lift case (2) is provided with dead lever (8), the upper end of dead lever (8) is provided with horizontally horizontal pole (9), its characterized in that: a through hole (903) penetrates through the cross rod (9) far away from the fixing rod (8) along the vertical direction, a rack (10) is connected to the through hole (903) in a vertically sliding mode, and a second adjusting mechanism used for driving the rack (10) to move longitudinally is arranged between the cross rod (9) and the rack (10); the second adjusting mechanism comprises a containing groove (11) formed in one side of the through hole (903) and a second gear (1101) which is supported in the containing groove (11) in a rotating mode and meshed with the rack (10), a second worm wheel (1102) is coaxially arranged on the second gear (1101), a second worm (1103) is supported in the containing groove (11) in a rotating mode, the second worm (1103) is meshed with the second worm wheel (1102), one end, away from the fixing rod (8), of the second worm (1103) penetrates through the cross rod (9), and a first adjusting mechanism used for adjusting transverse movement of the cross rod (9) is arranged between the cross rod (9) and the fixing rod (8).

2. A single-armed drop test device according to claim 1, characterized in that: first adjustment mechanism includes slide rail (801) of fixed mounting on dead lever (8) top, horizontal pole (9) slide and connect in slide rail (801), the length direction interval of horizontal pole (9) is evenly provided with projection (901) in one side of horizontal pole (9), and the lateral wall of dead lever (8) upper end still rotates and is connected with first gear (802), first gear (802) with projection (901) meshing of horizontal pole (9), first gear (802) are coaxial to be provided with first worm wheel (803), one side of dead lever (8) is rotated and is born the weight of first worm (805), first worm (805) and first worm wheel (803) meshing.

3. A single-armed drop test device according to claim 2, characterized in that: two stop blocks (902) are fixedly arranged on one side of the cross rod (9), and the two stop blocks (902) are respectively positioned at the head end and the tail end of the plurality of convex columns (901) in the arrangement direction.

4. A single-armed drop test device according to claim 2, characterized in that: one end of the first worm (805) is fixedly provided with a first rotating handle (806).

5. A single-armed drop test device according to claim 1, characterized in that: the bottom end of the rack (10) is provided with a positioning disc (12) used for being abutted to the surface of a product to be tested, and a fixing mechanism is arranged between the rack (10) and the positioning disc (12).

6. A single-armed drop test device according to claim 5, wherein: the fixing mechanism comprises an extension pipe (13) fixedly arranged at the bottom end of the rack (10), and a mounting column (14) fixedly arranged on one side of the positioning disc (12) close to the rack (10), a plurality of clamping grooves (1401) are arranged on the outer wall of one side of the mounting column (14) close to the rack (10) in the circumferential direction, a clamping column (1402) which can extend out of the clamping groove (1401) is connected in the clamping groove (1401) in a sliding way, a pressure spring (1403) is fixedly connected between the clamping column (1402) and the groove bottom of the clamping groove (1401), and one end of the clamping column (1402) far away from the clamping groove (1401) is arranged in a round angle manner, a plurality of clamping holes (1301) for correspondingly clamping and matching the clamping column (1402) one by one are arranged on the side wall of the extension pipe (13) in the circumferential direction, when the pressure spring (1403) is in a natural state, the clamping column (1402) is clamped with the clamping hole (1301) and penetrates out of the clamping hole (1301).

7. The single-armed drop test device according to claim 6, wherein: the extension pipe (13) is further provided with an unlocking device, the unlocking device comprises an unlocking ring (1302) which is sleeved on the outer wall of the extension pipe (13) in a sliding mode, and the inner wall of the unlocking ring (1302) is abutted to the round corner end of the clamping column (1402) and slides mutually.

8. A single-armed drop test device according to claim 7, wherein: the outer wall of one end of the extension pipe (13) close to the mounting column (14) is fixedly provided with an anti-falling block (1303).

9. A single-armed drop test device according to claim 1, characterized in that: lift case (2) top fixed mounting has cylinder (6) that are vertical inversion state, the bottom of lift case (2) is rotated and is connected with support arm (7), the one end of support arm (7) and the piston rod fixed connection of cylinder (6), other end fixed mounting have layer board (701), when the piston rod of cylinder (6) is in the state of stretching out, layer board (701) are the horizontality.