KR101275032B1 - Drop testing apparatus for driven battery of automobile - Google Patents

Drop testing apparatus for driven battery of automobile Download PDF

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Publication number
KR101275032B1
KR101275032B1 KR1020120027985A KR20120027985A KR101275032B1 KR 101275032 B1 KR101275032 B1 KR 101275032B1 KR 1020120027985 A KR1020120027985 A KR 1020120027985A KR 20120027985 A KR20120027985 A KR 20120027985A KR 101275032 B1 KR101275032 B1 KR 101275032B1
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KR
South Korea
Prior art keywords
sling
rod
hook rod
stop
sling hook
Prior art date
Application number
KR1020120027985A
Other languages
Korean (ko)
Inventor
차지훈
최동석
정혁
이광범
권해붕
용기중
Original Assignee
교통안전공단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 교통안전공단 filed Critical 교통안전공단
Priority to KR1020120027985A priority Critical patent/KR101275032B1/en
Application granted granted Critical
Publication of KR101275032B1 publication Critical patent/KR101275032B1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/0078Shock-testing of vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/08Shock-testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N2033/0078Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects
    • G01N2033/0083Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects vehicle parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress

Abstract

The present invention relates to a drop test apparatus for a battery for driving a vehicle, and the sling hook rod for a sling to which the battery for driving a vehicle is bound is held by the sling hook rod stop rod to be held at the test height by lifting the sling hook rod stop mode. In one state, the sling hook rod stops by the linear actuator, and the sling hook rod stops to freely rotate downward. Because the car driving capacitor bound to the fall, the sling and the car driving battery bound to it fall down vertically without shaking, so that accurate drop test results can be obtained.

Description

Drop testing apparatus for driven battery of automobile

The present invention relates to a drop test apparatus for an automobile driving battery, and more particularly, to accurately drop a test result by allowing a sling bound to an automobile driving battery and an automobile driving battery coupled thereto to fall down vertically without shaking. The present invention relates to a drop test apparatus for a battery for driving a car, which can be obtained.

In recent years, measures for environmental and resource problems have emerged as important tasks, and as an example of such measures, electric vehicles have been developed. The driving battery is mounted on the electric vehicle, and the driving battery is a very important element in the electric vehicle, and safety accidents such as the driving capacitor ignite and explode during the operation of the electric vehicle equipped with the driving capacitor are caused. May occur.

Therefore, in Korea, the safety test of the driving battery is required in advance according to the automobile safety standard.

The safety test of the driving battery according to the automobile safety standard includes various items such as drop safety test, submerged safety test, overcharge safety test, overdischarge safety test, short circuit safety test, thermal exposure safety test and combustion safety test. The present invention relates to the drop safety test of the above items.

As a conventional drop test apparatus, a drop test system of Korean Patent No. 1104792 is known. The drop test system includes a lifting means such as a crane including a hook to which the sling is attached to the object under test. The sling connected to the object to be tested is hooked on a hook and raised to a drop test height by a crane or the like. The sling is to be released from the hook.

Although the patent does not clearly describe how to detach the sling from the hook, it is determined that such a drop test system must be inclined to tilt the hook so that the sling slips along the hook to drop the object under test. As a conventional hook is a cast product, its surface is rough, so that the frictional resistance is large when the sling slides along the hook. Repeated slipping causes the sling and the object under test to be shaken or vibrated so that accurate drop test results cannot be obtained.

Accordingly, an object of the present invention is to provide a drop test apparatus for an automotive driving battery in which a sling bound to an automobile driving battery and an automobile driving battery bound to the vehicle can fall down vertically without shaking, thereby obtaining accurate drop test results. Is to provide.

The present invention to achieve the above object, a frame having a left and right pair of horizontal support frame; A sling hook rod that is supported between the horizontal support frame so that a rear end thereof can be vertically rotated and rotates downward in a free state to become a vertical state; And a sling hanger rod stop mode for stopping the sling hanger rod in a horizontal state and a sling hanger rod stop mode for operating the sling hanger rod stop mode for freely rotating the sling hanger rod. Provided is a drop test apparatus for a storage battery.

The sling hook rod stop means is installed so as to be protruding from the linear actuator body and the linear actuator body mounted on any one of the left and right pair of horizontal support frame, the sling hook rod stop mode in the sling hook rod stop mode By a linear actuator having a sling hook rod stopping rod for supporting the sling hook rod in a horizontal state and retracting from the sling hook rod in the deactivation mode of the sling hook rod to allow the sling hook rod to freely rotate downward. Can be configured.

The sling hook rod stop means is installed so as to be protruding from the linear actuator body and the linear actuator body mounted on the pair of horizontal support frames, respectively, and in the sling hook rod stop mode to support the sling hook rod. A pair of left and right linear having a sling hook rod stop rod for stopping the sling hook rod in a horizontal state and retracting from the sling hook rod in the release mode of the sling hook rod stop to allow the sling hook rod to freely rotate downward. It can be configured as an actuator.

The sling hook needle bar and the sling hook needle stop rod is preferably formed in the shape of a round bar to be configured to point in contact with each other.

A cover plate is attached to an upper surface of the frame, and a connecting ring that is a lifting body is provided on an upper surface of the cover plate.

The present invention is to maintain the sling hook rod stop mode by the sling hook rod stop rod by the sling hook rod stop rod by the sling hook rod stop rod by the linear actuator in the state of lifting the test height by the linear actuator By retreating to the sling hook rod stop mode, which allows the sling hook rod to rotate freely, the sling hook rod with slings pivots downward to become a vertical state, so that the vehicle driving capacitor bound to the sling falls. The sling and its associated battery for driving the car fall down vertically without shaking, so that accurate drop test results can be obtained.

1 to 7 show a first preferred embodiment of the drop test apparatus for a vehicle driving battery according to the present invention,
1 is a perspective view,
2 is a perspective view of the cover plate removed;
3 is an exploded perspective view,
Figure 4 is a perspective view showing a sling hanger bar stop mode,
5 is a perspective view showing a sling hanger bar stop release mode,
Figure 6 is a front view showing the sling hook bar stop mode,
Figure 7 is a front view showing the sling hanger rod stop mode,
8 to 14 is a view showing a second preferred embodiment of the drop test apparatus for a vehicle driving battery according to the present invention,
8 is a perspective view,
9 is a perspective view of the cover plate removed;
10 is an exploded perspective view,
11 is a perspective view showing a sling hanger bar stop mode,
12 is a perspective view showing a sling hanger rod stop mode,
Figure 13 is a front view showing the sling hook bar stop mode,
14 is a front view showing the sling hanger bar detent release mode.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the drop test apparatus for a vehicle driving battery according to the present invention will be described in detail.

1 to 7 show a first preferred embodiment of the drop test apparatus for a vehicle driving battery of the present invention.

Dropping test apparatus for a vehicle driving battery according to the present embodiment, as shown in Figures 1 to 3, the frame 10; A sling hanger rod 20 which is rotatably supported by the frame 10 and spans a sling S to which an automobile driving battery B is bound; And a sling hook rod stop mode for operating in a sling hook rod stop mode to stop the sling hook rod 20 in a horizontal state and a sling hook rod stop mode for free rotation of the sling hook rod 20; .

The frame 10 includes a pair of left and right horizontal support frames 11 and 12. The pair of horizontal support frames 11 and 12 may provide a space in which the sling hooking rods 20 can rotate and a space for working with a sling S on the sling hooking rods 20. Are spaced apart.

The left and right pairs of horizontal support frames 11 and 12 are connected by connecting frames 13 and 14 at front and rear ends. The cover plate 15 is attached to the upper surface of the frame 10, and the lifting surface is attached to the upper surface of the cover plate 15 so that the drop test apparatus of the battery for driving a vehicle of the present invention can be lifted by hooking a crane hook. A connecting ring 16, which is a plurality of lifting hooks (four in the drawing) for hooking a lifting hook (not shown) coupled to the bottom of the bottom, is provided. The lifting chain (not shown) is configured to lift the drop test apparatus of the battery driving vehicle of the present invention by a crane hooked on a crane hook (not shown) of the crane (not shown).

In addition, in the illustrated example, the cover plate 15 is attached to the upper surface of the pair of left and right horizontal support frames 11 and 12, and the connecting ring 16, which is a lifting body, is installed on the upper surface of the cover plate 15. Rather, it may be directly coupled to the upper surface of the pair of horizontal support frame (11, 12) of the lifting ring 16 which is a lifting body.

The sling hook bar 20 is pivotally supported by the rotary shaft 21 on the rear end of the pair of horizontal support frames 11 so as to rotate downward about the rotary shaft 21 by its own weight in a free state. Configured to be in a state.

The sling hook rod stop means is a linear actuator body (31) installed on any one of the pair of horizontal support frame (11), and a sling girl mounted on the linear actuator body (31) so that it can be projected. And a needle bar stop rod 32.

The sling hook rod stop rod 32 is a sling hook rod stop mode for keeping the sling hook rod 20 in a horizontal state, and the sling hook rod 20 rotates downward by its own weight to keep it in a vertical state. It is operated in the detent mode. That is, in the sling hanger rod stop mode, the sling hanger rod stop rod 32 is advanced by the linear actuator body 31 so that the sling hanger rod 20 is placed on the sling hanger rod 20 in a horizontal state. This state is to prevent the downward rotation (see Fig. 4), and the sling hook rod stop mode is the sling hook rod stop rod 32 is retracted by the operation of the linear actuator 30, the sling hook rod 20 is It refers to the state (refer FIG. 5) which can freely rotate down.

The linear actuator 30 preferably uses a pneumatic cylinder for a fast sling stop rod deactivation operation of the sling hook rod stop rod 32, but if necessary, a pneumatic cylinder or a solenoid or screw type linear actuator may be used. Can be.

The sling hanger rod 20 and the sling hanger rod stop rod 32 are formed in a round bar shape in order to minimize the contact area and the resistance thereof, so that the sling hanger rod 20 and the sling hanger rod stop rod 32 are perpendicular to each other. It is preferable to make the outer peripheral surface contact each other while making a.

The linear actuator body 31 is preferably protected by a protective cover 40 detachably coupled to the horizontal support frame 12.

Hereinafter, the process of drop-testing a vehicle driving storage battery by the drop test apparatus for a vehicle driving storage battery according to the present invention will be described.

First, the vehicle driving battery B binds the sling S and puts it on the floor, and operates the linear actuator 30 constituting the sling hook rod stop means in the sling hook rod stop mode to release the sling hook rod. The stop rod 32 is retracted so as to be out of the rotational track of the sling hanger rod 32 so that the sling hanger rod 20 is maintained in a state capable of freely rotating about the rotation shaft 21.

In this state, the sling hook rod 20 is rotated by rotating the sling hook rod 20 in a state in which the sling S to which the vehicle driving battery B is bound spans the sling hook rod 20. The linear actuator 30 constituting the sling hook rod stop means is operated in a sling hook rod stop mode so that the sling hook rod stop rod 32 moves forward to the sling. It is located in the lower portion of the hook rod (20).

In this state, when the sling hanger rod 20 is released, the sling hanger rod 20 rotates downward by its own weight and is placed on the sling hanger rod stop rod 32, which is advanced (Sling Hanger rod stop mode) (FIG. 4 and FIG. 6).

Hook the lifting hook (not shown) coupled to the lower end of the lifting chain (not shown) to the lifting chain connecting ring 16 provided in the frame 10, gather the top of the lifting chain to hang on a crane hook (not shown) Complete preparations to lift.

By operating a crane (not shown) to raise the drop test device and the sling (S) and the vehicle driving battery (B) of the vehicle driving battery of the present invention through the crane hook, lifting chain, lifting hook. Ascending height shall be 50 m based on the automotive battery B. FIG.

In the lifting process of the vehicle driving battery, the device of the present invention and the vehicle driving battery may be shaken or rotated by the vibration or other factors generated during operation of the crane. Ensure that the battery is in a stable position that does not shake or rotate.

After the lifting and stabilization of the battery for driving a vehicle is completed, when the linear actuator 30 constituting the sling hook rod stop means is operated in a sling hook rod stop mode, the sling hook rod stop rod 32 retreats to the sling hook rod. It is out of the rotational track of (20).

At this time, the sling hook rod stop rod 32 is retracted by the operation of the linear actuator 30 to become the sling hook rod stop release mode, and thus the sling hook rod stop rod 32 is maintained in the sling hook rod stop mode. The sling hook rod 20 is rotated downward in the vertical state by the load and the weight of the vehicle driving battery B (see FIG. 5 and FIG. 7).

The sling-galle rod 20 and the sling-galle rod stop rod 32 are formed in the shape of an annular rod and form a right angle to each other so that the outer circumferential surfaces are in point contact with each other. The vibration due to friction does not occur between 20 and 20).

When the sling hanger rod stop rod 32 is retracted, the sling hanger rod 20 is freed, and the sling hanger rod 20 is applied to the sling hanger rod 20 through its own weight and the sling (S). The vehicle is rotated downward by the weight of the vehicle driving battery B, and becomes vertical. As a result, the sling S straddling the sling hanger rod 20 is separated from the sling hanger rod 20 to drive the automobile. The battery B falls together with the battery.

At this time, the sling hook rod 20 is rotated downward by the weight of the vehicle driving battery (B) applied to the sling hook rod 20 through its own weight and the sling (S) is instantaneously vertical because There is little friction between the sling S and the sling hanger rods 20 spanning the sling hanger rods 20. Therefore, when the vehicle driving battery B falls, the vehicle driving battery B falls freely vertically without shaking or vibrating, thereby obtaining accurate drop test results.

8 to 14 show a second preferred embodiment of the drop test apparatus for a vehicle driving battery according to the present invention.

As shown in FIGS. 8 to 10, the drop test apparatus for a vehicle driving storage battery according to the present embodiment has a pair of horizontal support frames 11 and 12 of the left and right pairs of the sling hook rod stop means. It is composed of a pair of left and right linear actuators 30 are respectively installed in the symmetrical. The linear actuator 30 is composed of a linear actuator body 31 and a sling hook rod stop rod 32, respectively.

The left and right pair of sling hanger rod stop rods 32 are in contact with each other when the linear actuator 30 operates in the sling hanger rod stop mode, and the linear actuator 30 stops the sling hanger rod stop mode. When operating as the sling hook rod 20 is configured to be in a state that can be freely rotated up and down between the tip.

In addition, when the linear actuator 30 is operated in the sling hook rod stop mode, the outer peripheral surface of the pair of left and right sling hook rod stop rod 32 and the outer peripheral surface of the front end side of the sling hook rod stop rod 32 are the sling girl. The needle bar 20 is in contact with the point on the vertical plane passing through the center of the needle bar rod stop bar 32.

In the present embodiment, since the other components are the same as in the first embodiment described above, the same reference numerals are given to the same parts, and detailed description thereof will be omitted.

In the drop test apparatus for a vehicle driving battery according to the present embodiment, since the outer peripheral surface of the tip side of the sling hooking rod stopper 32 is in point contact with the outer peripheral surface of the sling hooking rod 20, the linear actuator 30 is a sling girl. When operating in the needle bar detent mode, the time taken for the sling hook rod stop rod 32 to escape from the sling catch rod 20 is made more instantaneously than in the first embodiment described above, so that accurate drop test results are obtained. Will be obtained.

In the foregoing detailed description of the present invention, specific embodiments have been described. However, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention.

10: frame 11, 12: horizontal support frame
20: sling hook needle 21: rotating shaft
30: linear actuator 31: linear actuator body
32: sling hook rod stop rod

Claims (5)

  1. A frame 10 having a left and right pair of horizontal support frames 11 and 12;
    A sling hooking rod 20 which is supported between the horizontal support frames 11 and 12 so that the rear end portion can be vertically rotated and rotates downward in a free state to become a vertical state; And
    Sling hanger rod stop mode for stopping the sling hanger rod 20 in a horizontal state and the sling hanger rod stop means for operating the sling hanger rod stop release mode to allow the sling hanger rod 20 to freely rotate downward. Drop test apparatus for a battery for driving a vehicle configured by.
  2. According to claim 1, The sling hook rod stop means,
    A linear actuator body 31 mounted on one of the left and right pairs of horizontal support frames 11 and 12,
    The linear actuator main body 31 is installed so as to be sunk, in the sling hook rod stop mode, the sling hook rod 20 supports the sling hook rod 20 to stop in a horizontal state, the sling hook rod stops In the release mode, the vehicle is characterized in that it comprises a linear actuator 30 having a sling hook rod stop rod 32 to retreat from the sling hook rod 20 to allow the sling hook rod 20 to freely rotate downward. Drop test apparatus for driving storage battery.
  3. According to claim 1, The sling hook rod stop means,
    Linear actuator bodies 31 mounted on the left and right pairs of horizontal support frames 11 and 12, respectively;
    The linear actuator main body 31 is installed so as to be sunk, in the sling hook rod stop mode, the sling hook rod 20 supports the sling hook rod 20 to stop in a horizontal state, the sling hook rod stops In the release mode is composed of a pair of left and right linear actuator 30 having a sling hook rod stop rod 32 to retreat from the sling hook rod 20 to allow the sling hook rod 20 to freely rotate downward. Drop test device for a battery for driving a vehicle.
  4. The method according to claim 2 or 3,
    The sling hook needle bar (20) and the sling hook needle bar stop rod (32) is formed in the shape of a round bar drop test device for a vehicle driving storage battery, characterized in that configured to be in contact with each other.
  5. The method of claim 1,
    Cover plate (15) is attached to the upper surface of the frame 10, the drop test device of the battery drive vehicle battery, characterized in that the upper surface of the cover plate (15) is provided with a connecting ring (16) which is a lifting body.
KR1020120027985A 2012-03-19 2012-03-19 Drop testing apparatus for driven battery of automobile KR101275032B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120027985A KR101275032B1 (en) 2012-03-19 2012-03-19 Drop testing apparatus for driven battery of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120027985A KR101275032B1 (en) 2012-03-19 2012-03-19 Drop testing apparatus for driven battery of automobile

Publications (1)

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KR101275032B1 true KR101275032B1 (en) 2013-06-17

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KR1020120027985A KR101275032B1 (en) 2012-03-19 2012-03-19 Drop testing apparatus for driven battery of automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390855A (en) * 2014-12-12 2015-03-04 河北银隆新能源有限公司 Battery plate welding performance test clamp and test method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080070144A (en) * 2007-01-25 2008-07-30 주식회사 엘지화학 Drop test device of battery
KR20110042643A (en) * 2009-10-19 2011-04-27 권병수 Trimming press
KR101098197B1 (en) 2007-09-15 2011-12-23 주식회사 엘지화학 Test Device and Test Method of Battery Cell

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080070144A (en) * 2007-01-25 2008-07-30 주식회사 엘지화학 Drop test device of battery
KR101098197B1 (en) 2007-09-15 2011-12-23 주식회사 엘지화학 Test Device and Test Method of Battery Cell
KR20110042643A (en) * 2009-10-19 2011-04-27 권병수 Trimming press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390855A (en) * 2014-12-12 2015-03-04 河北银隆新能源有限公司 Battery plate welding performance test clamp and test method

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