CN211740547U

CN211740547U - Zero-drop test machine

Info

Publication number: CN211740547U
Application number: CN202020359782.9U
Authority: CN
Inventors: 杨超; 钟凤; 王明银
Original assignee: Dongguan Chun Yen Instrument Co ltd
Current assignee: Dongguan Chun Yen Instrument Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-10-23
Anticipated expiration: 2030-03-20

Abstract

The utility model belongs to the technical field of the testing machine, concretely relates to zero drop test machine, including base and vertical fixation in the frame of base, the both sides of frame install respectively with the perpendicular first deflector and the second deflector that set up of base, first deflector with be provided with drive mechanism, bracket and power unit between the second deflector, drive mechanism with power unit's output is connected, bracket fixed mounting in drive mechanism's bottom is passed through drive mechanism makes vertical lift motion, the top of frame is provided with the automatic height measuring device, the automatic height measuring device with the equal electric connection of power unit in control box. Compared with the prior art, the utility model discloses a set up automatic height-finding device, can highly realize quick accurate location to falling to save artifical many times, repeated manual measurement, improved experimental efficiency and precision widely.

Description

Zero-drop test machine

Technical Field

The utility model belongs to the technical field of the testing machine, concretely relates to zero drop test machine.

Background

With the continuous development of the production and manufacturing industry, people have higher and higher requirements on the quality of products. At present, before shipping, transportation packages produced by manufacturers are subjected to impact and vertical drop tests according to relevant standards such as GB2423, GBT4208 and ASTA, and the purpose is to test the damage condition of product packages during drop impact, so that the damage condition is used for checking the impact strength resistance capability and the reasonability of package design of the packages in the actual transportation, loading and unloading processes.

The zero-drop test machine is mainly used for large-scale package drop tests. The zero-drop test machine is characterized in that an E-shaped fork capable of moving downwards quickly serves as a test piece bracket, and tested goods are placed and balanced according to test requirements (surface, edge and angle tests). During the test, the supporting plate moves downwards at a high speed to separate from the test piece, and the E-shaped fork is embedded in the bottom plate under the action of the efficient shock absorber before the tested packaged goods fall to the bottom plate. In a drop test, a traditional zero drop test machine mainly lifts a package to a corresponding height, and then the drop height is determined through manual repeated measurement, so that the test efficiency is low, and the actual requirements of multiple drop tests cannot be met.

In view of the above, there is a need for rational improvement of the above prior art to meet the actual production needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the provided zero-drop testing machine is convenient to operate and can quickly adjust the drop height.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a zero drop test machine, includes base and vertical fixation in the frame of base, the both sides of frame install respectively with the perpendicular first deflector and the second deflector that set up of base, first deflector with be provided with drive mechanism, bracket and power unit between the second deflector, drive mechanism with power unit's output is connected, bracket fixed mounting in drive mechanism's bottom is passed through drive mechanism makes vertical lift motion, the top of frame is provided with the automatic height measuring device, the automatic height measuring device with the equal electric connection of power unit in control box.

The automatic height measuring device is an infrared distance measuring sensor, a laser distance measuring sensor or a photoelectric encoder, the falling height of the tested goods can be quickly adjusted, repeated manual measurement is not needed, and the test efficiency and precision are greatly improved; the control box is a photoelectric encoder or a programmable PLC controller, can display and control to realize quick setting of the falling height, and is simple and convenient to operate.

As right the utility model discloses in zero drop test machine's improvement, drive mechanism include the traction frame and with traction frame fixed connection's first connecting portion, the top fixedly connected with corner fixer of traction frame, first connecting portion internally mounted has couple release, couple release with control box electric connection. The corner fixer is used for fixing the corner of the tested goods according to different test requirements (face, edge and corner), plays a role in stabilizing the tested goods, contributes to keeping stability in the test process and improves test precision.

As right the utility model discloses in zero drop test machine's improvement, the both sides of first connecting portion are provided with first assembly pulley, first assembly pulley slide respectively set up in first deflector with the second deflector. The first guide plate and the second guide plate play a role in guiding the vertical lifting of the traction mechanism, and the friction resistance borne by the traction mechanism can be effectively reduced by arranging the first pulley block.

As right the improvement of zero drop test machine in the utility model, the bracket include the second connecting portion and with second connecting portion fixed connection's bottom plate board, the second connecting portion are provided with the couple, the couple with the cooperation of couple release is connected. The bottom supporting plate is used for supporting and placing the tested goods, when the test is started, the hook is loosened by controlling the hook releasing device, the bracket is enabled to move downwards quickly and is separated from the tested goods, and therefore the tested goods are embedded into the base before reaching the base, and the drop test is achieved.

As right the utility model discloses in zero drop test machine's improvement, the both sides of second connecting portion are provided with the second assembly pulley, the second assembly pulley slide set up in first deflector with the second deflector. First deflector and second deflector play the effect of direction to the vertical lift of bracket equally, through setting up the second assembly pulley, can reduce the frictional resistance that the bracket received effectively, make the bracket can quick downstream in the experimentation.

As right the improvement of zero drop test machine in the utility model, the second connecting portion with still be provided with the device of accelerating between the first connecting portion, the bottom of second connecting portion is provided with buffer. The pre-acceleration device is used for providing a certain repulsive force between the first connecting part and the second connecting part, so that when the hook releasing device loosens the hook, the bottom supporting plate can obtain higher downward acceleration, and the effect of quickly separating from the tested goods is realized; the buffer device has the functions of speed reduction and buffering, effectively absorbs the impact energy of the falling of the bottom supporting plate, prevents the adverse effect of secondary impact on the tested goods and the rigid impact damage of the bottom supporting plate, and prolongs the service life of the device.

As right the improvement of zero drop test machine in the utility model, the bottom plate is four Y-shaped structure, the base seted up with bottom plate assorted recess, be provided with the blotter in the recess. Compared with the traditional E-shaped structure, the bottom supporting plate is arranged into the four-fork structure, so that the angle and edge of the tested goods can be conveniently adjusted, the stability in the test process is further enhanced, and the test accuracy is improved; in addition, add the blotter, can play the effect of buffering to the bottom plate.

As right the utility model discloses in zero drop test machine's improvement, the both sides of frame still are provided with the guardrail device, the guardrail device with base fixed connection. Set up the guardrail device, can play certain guard action to the goods of being tried, prevent that the goods of being tried from rolling in drop test and falling out the base and cause the secondary to fall or strike, improve experimental reliability.

As right the utility model discloses in zero drop test machine's improvement, power unit include the oil hydraulic cylinder and with the oil hydraulic tank that the oil hydraulic cylinder is connected. The hydraulic tank is stored with hydraulic oil, and can provide output power for the hydraulic cylinder when in work.

As right the utility model discloses in zero drop test machine's improvement, be provided with the touch-sensitive screen on the control box. Compared with the traditional full-button controller, the touch screen is additionally arranged, so that the human-computer interaction effect can be improved, and the operation of the device is more automatic.

The beneficial effects of the utility model reside in that: compared with the prior art, in the test process, the utility model discloses a control box control power unit output work makes drive mechanism drive bracket and makes vertical lift motion, through setting up automatic height measuring device, can be to the high quick accurate location of realization that falls to avoided artifical many times, repeated manual measurement, saved a large amount of time, improved experimental efficiency and precision widely.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided to explain the invention and not to constitute an undue limitation on the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

wherein, 1-a base; 2-a frame; 3-a first guide plate; 4-a second guide plate; 5-a traction mechanism; 6-a bracket; 7-a power mechanism; 8-automatic height measuring device; 9-a control box; 10-a traction frame; 11-a first connection; 12-corner retainers; 13-hook release means; 14-a first pulley block; 15-a second connection; 16-a bottom pallet; 17-hooking; 18-a second pulley block; 19-a pre-acceleration device; 20-a buffer device; 21-a groove; 22-a cushion pad; 23-a barrier device; 24-an oil hydraulic cylinder; 25-oil pressure tank; 26-touch screen.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-5, a zero drop test machine, including base 1 and frame 2 of vertical fixation in base 1, first deflector 3 and second deflector 4 with base 1 vertical setting are installed respectively to the both sides of frame 2, be provided with drive mechanism 5 between first deflector 3 and the second deflector 4, bracket 6 and power unit 7, drive mechanism 5 is connected with power unit 7's output, bracket 6 fixed mounting is in drive mechanism 5's bottom and makes vertical lifting motion through drive mechanism 5, the top of frame 2 is provided with automatic height measuring device 8, automatic height measuring device 8 and the equal electric connection of power unit 7 in control box 9.

The automatic height measuring device 8 is an infrared distance measuring sensor, a laser distance measuring sensor or a photoelectric encoder, can quickly measure the falling height of the tested goods, does not need manual repeated adjustment, and greatly improves the efficiency and the precision of the test; control box 9 is photoelectric encoder or programmable PLC controller and is provided with touch-sensitive screen 26, compares in traditional full-key controller, can show and control and realize that quick settlement falls the height, and easy operation is convenient, improves human-computer interaction's effect for the operation of device has more the automation.

Preferably, the traction mechanism 5 comprises a traction frame 10 and a first connecting portion 11 fixedly connected with the traction frame 10, a corner fixer 12 is fixedly connected to the top of the traction frame 10, a hook releasing device 13 is mounted inside the first connecting portion 11, the hook releasing device 13 is electrically connected with the control box 9, first pulley blocks 14 are arranged on two sides of the first connecting portion 11, and the first pulley blocks 14 are respectively arranged on the first guide plate 3 and the second guide plate 4 in a sliding mode. The corner fixer 12 is used for fixing the corners of the tested goods according to different test requirements (surfaces, edges and corners), plays a role in stabilizing the tested goods, is beneficial to maintaining the stability in the test process and improves the test precision; in addition, the first guide plate 3 and the second guide plate 4 play a role in guiding the vertical lifting of the traction mechanism 5, and the friction resistance on the traction mechanism 5 can be effectively reduced by arranging the first pulley block 14.

Preferably, the bracket 6 comprises a second connecting portion 15 and a bottom supporting plate 16 fixedly connected with the second connecting portion 15, the second connecting portion 15 is provided with a hook 17, the hook 17 is connected with the hook releasing device 13 in a matching manner, the two sides of the second connecting portion 15 are provided with second pulley blocks 18, and the second pulley blocks 18 are slidably arranged on the first guide plate 3 and the second guide plate 4. The bottom supporting plate 16 is used for supporting and placing the tested goods, when the test is started, the hook 17 is loosened by controlling the hook releasing device 13, the bracket 6 is enabled to move downwards quickly and is separated from the tested goods, and therefore the tested goods are embedded into the base 1 before reaching the base 1, and the drop test is realized; in addition, the first guide plate 3 and the second guide plate 4 also play a role in guiding the vertical lifting of the bracket 6, and the second pulley block 18 is arranged, so that the friction resistance on the bracket 6 can be effectively reduced, and the bracket 6 can rapidly move downwards in the test process.

Preferably, a pre-acceleration device 19 is further disposed between the second connecting portion 15 and the first connecting portion 11, and a buffer device 20 is disposed at the bottom of the second connecting portion 15. The pre-accelerating device 19 is used for providing a certain repulsive force between the first connecting part 11 and the second connecting part 15, so that when the hook releasing device 13 releases the hook 17, the bottom supporting plate 16 can obtain a higher downward acceleration to realize the effect of quickly separating from a tested goods, wherein the pre-accelerating device 19 can be a compression spring, is compressed and deformed when the hook 17 is hooked with the hook releasing device 13, and drives the bottom supporting plate 16 to quickly move downwards under the elastic action when the hook releasing device 13 releases and releases the hook 17; the buffer device 20 has the functions of speed reduction and buffering, effectively absorbs the impact energy of the falling of the bottom supporting plate 16, prevents the adverse effect of secondary impact on the tested goods and the rigid impact damage of the bottom supporting plate 16, and prolongs the service life of the device.

Preferably, the bottom support plate 16 is a four-fork structure, the base 1 is provided with a groove 21 matched with the bottom support plate 16, and a cushion 22 is arranged in the groove 21. Compared with the traditional E-shaped structure, the bottom supporting plate 16 is arranged into a four-fork structure, so that the angle and edge adjustment of the tested goods is facilitated, the smoothness in the test process is further enhanced, and the test accuracy is improved; in addition, the cushion pad 22 is added to provide cushioning to the bottom plate 16.

Preferably, the two sides of the frame 2 are further provided with a guardrail device 23, and the guardrail device 23 is fixedly connected with the base 1. Set up guardrail device 23, can play certain guard action to the goods of being tried, prevent that the goods of being tried from rolling in drop test and falling out base 1 and causing the secondary to fall or assault, improve experimental reliability.

Preferably, the power mechanism 7 includes a hydraulic cylinder 24 and a hydraulic tank 25 connected to the hydraulic cylinder 24. The hydraulic tank 25 stores hydraulic oil, and can provide output power for the hydraulic cylinder 24 during operation.

The utility model discloses a theory of operation does: under the cooperation of the automatic height measuring device 8, the power mechanism 7 is controlled through the control box 9 to drive the traction mechanism 5, the traction mechanism 5 drives the bracket 6 to rise to a set falling height, after the edge or the corner of the tested goods is adjusted, the hook releasing device 13 releases the releasing hook 17, the bracket 6 rapidly moves downwards under the action of the pre-accelerating device 19, the tested goods is separated from the base 1 and arrives at the base 1, and the tested goods freely falls to complete a falling test.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A zero drop test machine which characterized in that: including base (1) and vertical fixation in frame (2) of base (1), the both sides of frame (2) install respectively with first deflector (3) and second deflector (4) that base (1) set up perpendicularly, first deflector (3) with be provided with drive mechanism (5), bracket (6) and power unit (7) between second deflector (4), drive mechanism (5) with the output of power unit (7) is connected, bracket (6) fixed mounting in the bottom of drive mechanism (5) passes through drive mechanism (5) makes vertical lift motion, the top of frame (2) is provided with automatic height measuring device (8), automatic height measuring device (8) with the equal electric connection of power unit (7) in control box (9).

2. The zero drop tester according to claim 1, characterized in that: draw mechanism (5) including traction frame (10) and with traction frame (10) fixed connection's first connecting portion (11), the top fixedly connected with corner fixer (12) of traction frame (10), first connecting portion (11) internally mounted has couple release (13), couple release (13) with control box (9) electric connection.

3. The zero drop tester according to claim 2, characterized in that: first pulley blocks (14) are arranged on two sides of the first connecting portion (11), and the first pulley blocks (14) are arranged on the first guide plate (3) and the second guide plate (4) in a sliding mode respectively.

4. The zero drop tester according to claim 2, characterized in that: bracket (6) include second connecting portion (15) and with second connecting portion (15) fixed connection's bottom plate (16), second connecting portion (15) are provided with couple (17), couple (17) with couple release (13) cooperation is connected.

5. The zero drop tester according to claim 4, characterized in that: second pulley blocks (18) are arranged on two sides of the second connecting portion (15), and the second pulley blocks (18) are arranged on the first guide plate (3) and the second guide plate (4) in a sliding mode.

6. The zero drop tester according to claim 4, characterized in that: a pre-acceleration device (19) is further arranged between the second connecting portion (15) and the first connecting portion (11), and a buffering device (20) is arranged at the bottom of the second connecting portion (15).

7. The zero drop tester according to claim 4, characterized in that: the bottom supporting plate (16) is of a four-fork structure, a groove (21) matched with the bottom supporting plate (16) is formed in the base (1), and a cushion pad (22) is arranged in the groove (21).

8. The zero drop tester according to claim 1, characterized in that: and guardrail devices (23) are further arranged on two sides of the rack (2), and the guardrail devices (23) are fixedly connected with the base (1).

9. The zero drop tester according to claim 1, characterized in that: the power mechanism (7) comprises an oil hydraulic cylinder (24) and an oil hydraulic box (25) connected with the oil hydraulic cylinder (24).

10. The zero drop tester according to claim 1, characterized in that: and a touch screen (26) is arranged on the control box (9).