CN203241307U - Double-oscillating bar impact testing machine - Google Patents
Double-oscillating bar impact testing machine Download PDFInfo
- Publication number
- CN203241307U CN203241307U CN201320260866.7U CN201320260866U CN203241307U CN 203241307 U CN203241307 U CN 203241307U CN 201320260866 U CN201320260866 U CN 201320260866U CN 203241307 U CN203241307 U CN 203241307U
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- bar
- main frame
- testing machine
- double swing
- draft link
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- 238000009863 impact test Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a double-oscillating bar impact testing machine. The design of an upper oscillating bar and a lower oscillating bar can be used for realizing the purpose that when a pendulum hammer of the lower oscillating bar is used for impacting a test panel, the upper oscillating bar and the lower oscillating bar are in free states, thus the bidirectional impact on the test panel and the detection of the test panel are realized. When the double-oscillating bar impact testing machine is normally used, a connecting device can be used for well fixing the upper oscillating bar and the lower oscillating bar; and when the oscillating bar is used for impacting the test panel, the upper oscillating bar and the lower oscillating bar are in free states, thus the purpose of normal use is achieved.
Description
Technical field
The present invention relates to a kind of double swing-bar impact testing machine, specifically relate to a kind of double swing-bar impact testing machine that can bidirectional measurement test plate (panel) surface survivability under the transient impact effect.
Background technology
The double swing-bar impact testing machine is under the instantaneous load effect, the two-way performance test on test plate (panel) surface and the special new equipment of developing.The Main Function of this device is to measure the resistance of failure of test plate (panel) under the effect of transient state high speed impact, can judge effectively whether test plate (panel) is qualified, and carry out the characteristic strengthen test of test board after qualified, patent No. ZL200410021245.9 provides a kind of double pendulum testing machine and test method, just test board is favoured the direction of dropping hammer with certain angle, although but this test method can obtain the energy value that test board absorbs in horizontal and vertical directions, the situation of change of the real-time transient energy of test material can not be shown.
Summary of the invention
The purpose of this invention is to provide a kind of double swing-bar impact testing machine.In order to overcome the deficiency of testing machine in the prior art, the invention provides a kind of double swing-bar impact testing machine, that utilizes that the double swing-bar structure of testing machine realized pendulum shock-testing plate angle steplessly is in harmonious proportion two-way performance test of moment.
Technical scheme of the present invention is: a kind of double swing-bar Charpy impact machine tester mainly comprises main frame, double swing-bar system, elevator system, brake system, angle regulator, snubber assembly, measuring system; Elevator system links to each other by balance staff with brake system, and balance staff mid-mounting upper pendulum bar is installed on the main frame, realizes lifting and the braking of double swing-bar system; The double swing-bar system comprises draft link, and upper draft link is hinged, and draft link links to each other with pendulum; Upper draft link hinged place is provided with angle regulator, and its effect is to guarantee that two forks keep angle not change in dropping process, but makes two forks be in free state at pendulum and test plate (panel) Contact; Also be provided with snubber assembly in the middle of the upper draft link, the height that draft link is takeoff be controlled at can the very little range of size of Measurement accuracy within; Test macro is installed on the base of main frame, adopts the aobvious test result of high speed sensor, high-speed data acquiring device and computing machine.
The main frame fuselage of double swing-bar impact testing machine of the present invention is formed by steel pipe manufacturing, and base adopts the solid steel plate processing and fabricating, guarantees the right alignment of frame top bearing and the distance that the test macro substrate is arrived in the axle center.The Hoist braking system is installed in main frame top, main frame below mounting test system, and main frame links to each other assurance installation accuracy and experimental safe with foundation firmly.
The double swing-bar system of double swing-bar impact testing machine of the present invention is made by plow-steel and forms, and is connected with main frame by balance staff; The top of double swing-bar system is upper pendulum bar, and upper pendulum bar is provided with hoisting ring device, is used for the connection of snubber assembly; The below of double swing-bar system is draft link and pendulum, is connected with upper pendulum bar by bearing pin, and angle regulator is equipped with on the top of draft link, is used for regulating the angle that double swing-bar connects, and the lower end of draft link is connected with pendulum, is used for impacting test plate (panel).Such structure can guarantee that double swing-bar is thanked in the process and keep angle constant, pendulum during with the test plate (panel) bump double swing-bar moment keep again freedom.
The angle regulator of double swing-bar impact testing machine of the present invention is made by plow-steel and is formed, and is connected with upper draft link by bearing pin; Angle regulator is provided with different angles, makes double swing-bar stepless adjustable.
The snubber assembly of double swing-bar impact testing machine of the present invention is supported by spring steel, is installed in the middle of the double swing-bar; The height that snubber assembly takeoffs draft link be controlled at can the very little range of size of Measurement accuracy within, impact damper is selected 3 to 4 times of torque under the draft link herein.
The lifting of double swing-bar impact testing machine of the present invention, brake system are comprised of clutch coupling, detent, motor, reductor, balance staff, brake disc, bearing, bearing seat, are installed in the top of main frame, have realized lifting and braking to the double swing-bar structure.
The measuring system of double swing-bar impact testing machine of the present invention is installed on the base of main frame, adopts high speed sensor, high-speed data acquiring device, high-speed collection card, storer, deformation-sensor and Computer display test result.
The test method of double swing-bar impact testing machine of the present invention is: at first test board is fixed on the dynamometric system; When double pendulum is in the plumb position, releasing of brake; The motion of driven by motor reductor, clutch coupling, with the double swing-bar system improving to the angle that presets; The detent band-type brake, after the elevator system outage, releasing of brake, the free-falling of double swing-bar system; In bump moment, angle regulator makes double swing-bar moment be in free state, and pendulum impacts test plate (panel); To when double swing-bar system shock test plate (panel) goes back up to peak, brake again by detent; Measuring system adopts high speed sensor and high-speed data acquiring device, by high-speed collection card, storer and deformation-sensor power value temporal evolution curve, the Vertic features point of horizontal and vertical directions in the impact process is passed through Computer display out over time; Then clutch coupling inhale and, detent disconnects, the original position is got back to by the double swing-bar system.
Advantage of the present invention and beneficial effect are as follows:
1. the double swing-bar impact testing machine adopts the double swing-bar structure, uses pendulum gravity acceleration shock method, and moment obtains maximum impact speed, Maximal shock load, the maximum impact energy that the sample horizontal and vertical directions is born simultaneously.
2. increase mechanism freedom, improved measuring accuracy, overcome traditional unidirectional measurement of single pendulum test machine, the attack time is long, angle of attack is non-adjustable, can not grasp moment impact load can only grasp the shortcomings such as impact energy.
3. equipment operating is simple, measurement is accurate, high, the safety and stability of reliability, is convenient to safeguard, is specially adapted to the test that transient state double direction impulse load is born on the test plate (panel) surface.
Description of drawings
Fig. 1: double swing-bar impact testing machine front view of the present invention
Fig. 2: double swing-bar impact testing machine left view of the present invention
Among the figure: 1-main frame, 2-upper pendulum bar, 3-draft link, 4-pendulum, 5-snubber assembly, 6-angle regulator, 7-motor, 8-reductor, 9-clutch coupling, 10-bearing seat, 11-balance staff, 12-detent, 13-measuring system, 14-test plate (panel).
Embodiment
Below in conjunction with accompanying drawing implementation of the present invention is further described.
As shown in Figure 1, 2, the double swing-bar impact testing machine comprises main frame 1, double swing-bar system, snubber assembly 5, angle regulator 6, lifting, brake system, measuring system 13; Main frame 1 is connected balance staff 15 and is connected with the double swing-bar system, be fixed on the main frame 1 by bearing seat 10; Upper pendulum bar 2 is provided with angle regulator 6 with draft link 3 junctions; Upper pendulum bar 2 is provided with snubber assembly 5 with the top of draft link 3; Motor 7 in the elevator system is connected with reductor 8, and reductor 8 is connected with clutch coupling 9, and clutch coupling 9 is connected with balance staff 11; Detent 12 in the brake system is fixed on the main frame 1, is connected with balance staff 11; Measuring system 13 is fixedly mounted on the base of main frame 1, the top of measuring system 13 fixed installation test plate (panel) 14.
As shown in Figure 1, 2, the test method of double swing-bar impact testing machine of the present invention is: the double swing-bar impact testing machine is when initial position, and motor 7 drives reductor 8, clutch coupling 9, balance staff 11 rotations, and to preset position, detent 12 is braked with the double swing-bar system improving; Clutch coupling 9 disconnects, detent 12 discharges, the movement of falling object is done by the double swing-bar system, when pendulum 4 contact test plate (panel) 14, upper pendulum bar 2 and 3 moments of draft link are in free state, pendulum 4 impact test plates 14, measuring system 13 is shown to power value temporal evolution curve, the Vertic features point of horizontal and vertical directions in the impact process on the computing machine over time simultaneously; At the double swing-bar system motion to peak (be speed be zero time), detent 12 brakings; Testing crew can carry out observed and recorded or replacing to test plate (panel) 14; Then clutch coupling inhale and, motor 7 drives reductors 8, clutch coupling 9, balance staff 11 and rotates to initial position.
Claims (7)
1. a double swing-bar impact testing machine comprises main frame (1), double swing-bar system, lifting, brake system, angle regulator (6), snubber assembly (5), measuring system (13); It is characterized in that: elevator system links to each other by balance staff (11) with brake system, and balance staff (11) mid-mounting upper pendulum bar (2) is installed on the main frame (1), realizes lifting and the braking of double swing-bar system; The double swing-bar system comprises upper pendulum bar (2), draft link (3), and upper pendulum bar (2) and draft link (3) are hinged, and draft link (3) links to each other with pendulum (4); Upper and lower fork hinged place is provided with angle regulator (6); Also be provided with snubber assembly in the middle of the upper draft link; Test macro (13) is installed on the base of main frame (1), adopts the aobvious test result of high speed sensor, high-speed data acquiring device and computing machine.
2. testing machine according to claim 1, its main frame (1) fuselage is formed by steel pipe manufacturing, main frame (1) top is installed and is promoted, brake system, main frame (1) below mounting test system (13), and main frame (1) links to each other with foundation firmly.
3. testing machine according to claim 1, its double swing-bar system is made by plow-steel and forms, and is connected with main frame (1) by balance staff (11); The top of double swing-bar system is upper pendulum bar (2), and upper pendulum bar (2) is provided with hoisting ring device, is used for the connection of snubber assembly (5); The below of double swing-bar system is draft link (3) and pendulum (4), is connected with upper pendulum bar (2) by bearing pin, and angle regulator (6) is equipped with on the top of draft link (3).
4. testing machine according to claim 1, its angle regulator (6) are made by plow-steel and are formed, and are connected with upper draft link by bearing pin.
5. testing machine according to claim 1, its snubber assembly (5) is supported by spring steel, is installed in the middle of the double swing-bar.
6. testing machine according to claim 1, its lifting, brake system are comprised of clutch coupling (9), detent (12), motor (7), reductor (8), balance staff (11), brake disc, bearing, bearing seat (10), are installed in the top of main frame (1).
7. testing machine according to claim 1, its measuring system (13) is installed on the base of main frame (1), adopts high speed sensor, high-speed data acquiring device, high-speed collection card, storer, deformation-sensor and Computer display test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320260866.7U CN203241307U (en) | 2013-05-10 | 2013-05-10 | Double-oscillating bar impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320260866.7U CN203241307U (en) | 2013-05-10 | 2013-05-10 | Double-oscillating bar impact testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN203241307U true CN203241307U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320260866.7U Expired - Fee Related CN203241307U (en) | 2013-05-10 | 2013-05-10 | Double-oscillating bar impact testing machine |
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| Country | Link |
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| CN (1) | CN203241307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267690A (en) * | 2013-05-10 | 2013-08-28 | 青岛科技大学 | Double-swing-rod impact testing machine |
| CN108267373A (en) * | 2018-01-04 | 2018-07-10 | 青岛科技大学 | A kind of multi-functional coatings device for detecting performance |
-
2013
- 2013-05-10 CN CN201320260866.7U patent/CN203241307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267690A (en) * | 2013-05-10 | 2013-08-28 | 青岛科技大学 | Double-swing-rod impact testing machine |
| CN108267373A (en) * | 2018-01-04 | 2018-07-10 | 青岛科技大学 | A kind of multi-functional coatings device for detecting performance |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140510 |