TWI680287B - Drop weight impact tester - Google Patents

Abstract

The utility model relates to a drop weight impact testing machine, which comprises a base, a slider group, an impact group, a pulling group, a clamp group and a control unit. By manipulating the control unit, the hanger of the pull group is driven to the pinch position and located above the impact group, and the control unit drives the pull group to complete its combination with the impact group. Then control the control unit to displace the pull group and the impact group along the slide bar toward the upper rod seat, until the release position and approach the upper rod seat. In this way, the subsequent weight drop test procedure can be performed. The impact test is performed on the object to be tested in such a way that it is heavy from the top.

Description

Drop weight impact tester

The invention relates to an impact testing machine, in particular to a person who impacts the type of the object to be tested from the top to the bottom, and records the parameters and data results of the impact test by sensing.

Performing physical property test on materials helps the factory to produce and monitor the material properties to meet the required production specifications and maintain the quality of the production, so as to avoid material defects in subsequent mass production, and timely detection can reduce the production defects. Probability has become a reference for component design.

For materials, the experiment process and records can be used to judge the production conditions and processing parameters of materials, which is helpful for developers and related industry researchers to research and develop new materials. Common material experiments include hardness test, fatigue test, tensile test, impact test, etc. Various test items vary depending on the purpose of the test. Among them, impact test is a very common material test experiment, mainly used to measure materials. The ability to absorb impact and understand the toughness of the material.

Shock-related patents currently known and published include, for example, an impact test device of Taiwan Invention Patent No. I418773, a drop test machine of Taiwan New Patent No. M463841, a falling ball impact test device of Taiwan New Patent No. M391096, and Taiwan Invention Patent Drop test system and method of I311641, drop test machine of Taiwan new patent No. M287432.

The invention provides a new-type impact test machine, and performs an impact test on a test object by using a top-down method to obtain experimental sensing and recording related parameters and data.

In order to achieve the foregoing objects and effects, a drop weight impact testing machine is provided, which includes a base, a slider group, an impact group, a pulling group, a clamp group and a control unit, wherein the base has a mounting surface, A plurality of impact sensors for sensing the mounting surface are arranged in the base, and the plurality of impact sensors are connected to the control unit signal; the slider group includes a lower rod seat and a lower rod seat arranged in relative positions to each other. And the two ends of the plurality of sliders are respectively fixed to the lower pole seat and the lower pole seat, and the lower pole seat is fixed to the mounting surface of the base, so that the slider group is located on the mounting surface and extends upward. And the space between the upper pole seat and the lower pole seat forms an operating space; the fixture set is used to carry an object to be measured and is arranged in an impact position in the operating space and fixed to the lower pole seat; The set includes an impact seat and a plurality of punches. The impact seat is slid along the plurality of slide bars and is located in the operating space and is displaced in the direction of the upper rod seat and the lower rod seat. At the lower end of the impact seat A mounting head faces the direction of the clamp group, and an upper end of the impact group has a bearing surface, and the bearing surface is provided with a long rod extending upward and facing the upper rod seat, and ringing on the outer surface of the long rod. A plurality of outer ring grooves are arranged at intervals; the pulling group includes a hanger, the hanger has a penetrating hole for the part of the long rod to have an outer ring groove, and a bolt is provided in the hanger. The plate group is further arranged with a transmission mechanism on the lower pole seat and the lower pole seat and connected with the control unit signal, and the control unit drives the transmission mechanism belt The hanging unit is moved to a pinch position and located above the impact seat, and the control unit drives the pin plate group to move toward the plurality of outer ring grooves of the long rod and locks each other into a locked state. Driving the transmission mechanism to drive the hanger at the clamped position to displace along the plurality of slide bars toward the upper pole seat to a release position in the operating space and close to the upper pole seat; and the control unit The bolt plate group is driven to move out of the plurality of outer ring grooves of the long rod into a release state, so that the impact seat is gravity-dropped from the release position in the operating space along the plurality of slider bars toward the clamp group, and One of the plurality of punches collides with the impact position of the object to be measured in the clamp group.

1‧‧‧ Drop Weight Impact Tester

10‧‧‧ Transmission mechanism

11‧‧‧Screw

12‧‧‧Drive motor

100‧‧‧ protective fence

101‧‧‧Fixing plate

2‧‧‧ base

21‧‧‧Mounting surface

22‧‧‧Built-in slot

3‧‧‧Slider Set

31‧‧‧ Lower pole seat

32‧‧‧ Upper pole seat

321‧‧‧ fixed pulley

33‧‧‧ Slider

34‧‧‧Operating Space

35‧‧‧Side lever

36‧‧‧Grip cover

361‧‧‧shaft rotation

362‧‧‧ bezel

363‧‧‧Turn handle

4‧‧‧ Impact group

41‧‧‧Impact Block

410‧‧‧Impact linear bearing

411‧‧‧bearing surface

412‧‧‧ long pole

4121‧‧‧Outer ring groove

4122‧‧‧Inner section

4123‧‧‧Outer section

4124‧‧‧connection

42‧‧‧ punch

43‧‧‧mounting head

44‧‧‧ Impact weight plate

441‧‧‧long slot

442‧‧‧Narrow groove section

443‧‧‧ wide slot section

444‧‧‧through groove

45‧‧‧Threaded rod

46‧‧‧nut

47‧‧‧ limit plate

5‧‧‧pull group

51‧‧‧Hanging

510‧‧‧pull linear bearing

511‧‧‧ through hole

52‧‧‧ Bolt plate group

521‧‧‧Electromagnetic unit

522‧‧‧Driver

523‧‧‧ Latch Stack

524‧‧‧ bolt spring

525‧‧‧Carib

6‧‧‧ Fixture group

60‧‧‧ Hex tool

61‧‧‧ Upper Block

62‧‧‧lower base

63‧‧‧platform

64‧‧‧ extension rod

65‧‧‧ tandem post

66‧‧‧ puncture tube

661‧‧‧ tube body

662‧‧‧ Flat Department

663‧‧‧perforation

67‧‧‧Press plate

671‧‧‧through hole

68‧‧‧Fixed rod

7‧‧‧control unit

8‧‧‧Anti-load group

81‧‧‧Anti-load slide

811‧‧‧Anti-load buffer rod

812‧‧‧Anti-load bottom spring

82‧‧‧Anti-load container

821‧‧‧Anti-load container

8211‧‧‧ wide slot section

8212‧‧‧Narrow slot section

822‧‧‧Anti-roof roof

823‧‧‧Anti-load linear bearing

824‧‧‧Anti-sway

83‧‧‧Anti Dutch

831‧‧‧Anti-load handle

84‧‧‧Counterweight

841‧‧‧Slide dodge groove

842‧‧‧ Counterweight handle

9‧‧‧ Impact buffer group

900‧‧‧ Depression Sensing Group

901‧‧‧ Depression Sensor Block

902‧‧‧ recessed buffer head

903‧‧‧ Resistance Ruler

904‧‧‧Distance scale

91‧‧‧The first shock buffer seat

911‧‧‧ Impact buffer stick

92‧‧‧Second impact buffer seat

921‧‧‧Impact buffer stick

A‧‧‧DUT

The first figure is a schematic perspective view of a falling weight impact testing machine of the present invention.

The second figure is a front view of a falling weight impact testing machine of the present invention.

The third diagram is a schematic diagram of the pulling group moving to the impact group according to the present invention.

The fourth diagram is a schematic diagram before the pull group of the present invention locks with the impact group.

The fourth a is a schematic top view of the pulling group of the present invention.

The fourth diagram b is a schematic view showing that the pull group and the impact group of the present invention are locked.

The fifth diagram is a schematic diagram of the pulling group of the present invention moving with the impact group and receiving a stop position by the gear sleeve pulling plate, and installing the punch on the impact group.

The sixth diagram is a schematic diagram of the pulling group and the impact group moving to the release position according to the present invention.

The seventh diagram is a schematic diagram of the impact group of the present invention falling from the pulling group and the release position and dropping by gravity by itself.

The eighth figure is a schematic diagram of the impact of the punch of the impact group of the present invention on the test object.

The ninth figure is a schematic view of the anti-load handle buckled on the impact seat of the present invention.

The tenth figure is a schematic view of the counterweight block of the present invention pre-installed in the counterload container.

The eleventh figure is a schematic view of stacking the counterweight blocks of the present invention in a counterload container.

The twelfth figure is a schematic view of the anti-load group of the present invention configured in a drop weight impact tester.

The thirteenth figure is a schematic diagram of the anti-load group and the impact group moving to the release position according to the present invention.

The fourteenth figure is a schematic diagram of moving the anti-load group with the impact group to the impact position according to the present invention.

Fifteenth figure is a schematic diagram of the impact weight plate of the present invention installed on a long rod and a threaded rod.

The sixteenth figure is a schematic view of stacking the impact weight plate of the present invention on a bearing surface.

The seventeenth figure is a three-dimensional schematic diagram of a concave impact type clamp set according to the present invention.

The eighteenth figure is a three-dimensional schematic view of a fixture set for disassembling a part of the series-connected posts according to the present invention.

The nineteenth figure is a partially exploded perspective view of the present invention applicable to a puncture impact type clamp assembly.

The twentieth figure is a combined perspective view of the present invention applicable to a puncture impact type clamp assembly.

The twenty-first figure is a schematic diagram of the punch puncture impacting the test object of the impact group of the present invention.

The twenty-second figure is a schematic perspective view of the impact buffer group of the present invention installed on the lower rod seat.

The twenty-third figure is a schematic perspective view of various types of punches of the present invention.

Please refer to the first to third figures, which show a falling impact test machine 1 according to the present invention, which includes a base 2, a slider group 3, an impact group 4, a pull group 5, and a clamp group 6 With a control unit 7.

The base 2 has a mounting surface 21, and a plurality of impact sensors (not shown) for sensing the mounting surface 21 are arranged in the base 2, and the plurality of impact sensors (not shown) and the The control unit 7 is signal-connected. In addition, a built-in groove 22 is provided inwardly on the peripheral side of the base 2. The built-in groove 22 of the base 2 shown in the figure adopts a multi-layer spacing type.

The sliding rod group 3 includes a lower rod base 31 and an upper rod base 32 arranged opposite to each other, and two ends of a plurality of sliding rods 33 are fixed to the lower rod base 31 and the upper rod base 32, respectively. The lower rod seat 31 is fixed to the mounting surface 21 of the base 2 so that the sliding rod group 3 is located on the mounting surface 21 and extends upward, and the interval between the upper rod seat 32 and the lower rod seat 31 forms an operation. Space 34.

The fixture group 6 is used to carry an object A to be tested, is arranged in an impact position in the operating space 34, and is fixed to the lower pole base 31.

The impact group 4 includes an impact base 41 and a plurality of punches 42. The impact base 41 is slid along the plurality of sliding rods 33 and is positioned in the operating space 34 and is displaced toward the upper rod base 32 and the lower rod base 31. One of the plurality of punches 42 is mounted on one of the mounting heads 43 at the lower end of the impact seat 41 and faces the direction of the clamp group 6, and the upper end of the impact group 4 has a bearing surface 411, and the bearing surface 411 is provided with One of the long rods 412 extending upward and facing the upper rod seat 32 is provided with a plurality of outer ring grooves 4121 arranged on the outer surface of the long rod 412 at intervals.

The pulling group 5 includes a hanging bracket 51. The hanging bracket 51 has a penetrating hole 511 for the portion of the long rod 412 to have an outer ring groove 4121. The hanging bracket 51 is provided with a bolt plate group 52 therein. In addition, a transmission mechanism 10 is arranged on the upper pole seat 32 and the lower pole seat 31 and is connected to the control unit 7 signal. The control unit 7 drives the transmission mechanism 10 to drive the hanger 51 in a pinch position and is located at The upper position of the impact seat 41, and the control unit 7 drives the pin plate group 52 to move toward the plurality of outer ring grooves 4121 of the long rod 412 and latches into a locked state with each other. The control unit 7 drives the transmission mechanism 10 Drive the hanger 51 toward the upper pole seat along the plurality of slide bars 33 at the clamped position The displacement in the 32 direction is up to a release position in the operating space 34 and is close to the direction of the upper pole seat 32.

The control unit 7 drives the bolt plate group 52 out of the plurality of outer ring grooves 4121 of the long rod 412 into a release state, so that the impact seat 41 is moved along the plurality of slide bars 33 from the release position in the operating space 34. It is dropped by gravity toward the direction of the fixture group 6, and one of the plurality of punches 42 collides with the impact position of the object A to be tested of the fixture group 6.

Regarding the operation mode of the drop-weight impact test machine 1 of the present invention, please refer to FIG. 3 to FIG. 8, mainly by controlling the control unit 7 to drive the transmission mechanism 10 to drive the hanger 51 to the pinch position and located The upper position of the impact seat 41, and the control unit 7 drives the pin plate group 52 to move toward the plurality of outer ring grooves 4121 of the long rod 412 and locks into a locked state with each other, so that the pull group 5 and the impact group 4 are initially completed Combination. Then, the control unit 7 is driven to drive the transmission mechanism 10 to drive the hanger 51 together with the impact seat 41 along the plurality of slide bars 33 toward the upper pole seat 32 until the release position in the operating space 34 approaches the upper pole. Block 32 direction. In this way, the subsequent weight drop test procedure can be performed. The height distance between the impact position and the release position to the object A on the clamp group 6 can be set via the control unit 7. In addition, the clamp position can also be set by the control unit 7.

The sliding rod group 3 includes a side rod 35, and two ends of the side rod 35 are respectively fixed to the lower rod base 31 and the upper rod base 32, and the control unit 7 is arranged on the outer surface of the side rod 35. A shaft rotation portion 361 of a stop sleeve pull plate 36 is pivotally disposed on the side rod 35, and a peripheral plate 362 and a rotation handle 363 are respectively extended on the peripheral side of the shaft rotation portion 361 of the stop sleeve pull plate 36 to manually drive the rotation The handle 363 causes the baffle 362 to move from a free position outside the operation space 34 to a position in the operation space 34 and abutting the lower end surface of the impact seat 41 to form a stop position. As shown in the fourth figure, In this state, the type of the punch 42 is selected, and one end of the punch 42 is installed with the mounting head 43 at the lower end of the impact seat 41. The punch 42 of the present invention is also provided with round, semi-circular, rectangular, The bullet-shaped, needle-shaped punch 42 is shown in Figure 23 of the figure.

The transmission mechanism 10 includes a screw 11 and a driving motor 12. The driving motor 12 is driven and closed by the signal of the control unit 7 to drive the screw 11 to rotate and stop rotating, and the rotation of the screw 11 drives the pulling group. The hanger 51 of 5 is moved to the release position and the pinched position.

The long rod 412 of the impact seat 41 includes an inner section 4122, an outer section 4123, and a connecting section 4124 connecting one of the inner section 4122 and the outer section 4123, as shown in the fifteenth figure and the sixteenth. As shown in the figure, the outer diameter of the connecting section 4124 is smaller than the outer diameter of the inner section 4122 and the outer section 4123, and the plurality of outer ring grooves 4121 are spaced from the outer section 4123, and the inner section 4122 is The connecting section 4124 and the outer section 4123 are closer to the bearing surface 411 of the impact seat 41. The impact group 4 further includes a plurality of impact weight plates 44 stacked on the bearing surface 411, and the plurality of impact weight plates 44 are provided with a long slot 441 inward from the outer peripheral side, and the long slot 441 includes a narrow slot A slot section 442 and a wide slot section 443. After the plurality of impact weight plates 44 pass through the connecting section 4124 with the narrow slot section 442 of the long slot 441, the inner surface of the wide slot section 443 is sleeved in the inner portion. The outer surface of the segment 4122; the plurality of impact weight plates 44 are provided with a plurality of through grooves 444 which are the same as the extending direction of the long groove 441, and the through grooves 444 are a plurality of threaded rods 45 extending through the bearing surface 411 upwardly. A plurality of rods 45 are screwed to the plurality of threaded rods 45 respectively by a plurality of nut nuts 46, and the plurality of nut nuts 46 are pressed against the uppermost surface of the plurality of impact weight plates 44 superimposed, with another limitation The position plate 47 is fixed to the end of the plurality of threaded rods 45 to restrict the plurality of impact weight plates 44 from being disengaged from the plurality of threaded rods 45. The plurality of impact weight plates 44 can be stored in the built-in groove 22 when not in use.

The weight of the impact base 41 is 8 kg, and each weight of the impact weight plate 44 is 1 kg. Approximately 26 impact weight plates 44 can be placed on the bearing surface 411. Therefore, the present invention has a drop weight impact. The test machine 1 can be used up to 34 kg. And if you want to experimentally test the type weighing less than 8 kg, you need to cooperate with the following configuration of the anti-load group 8.

The falling weight impact testing machine 1 of the present invention further includes a reaction group 8. Please refer to the figures 9 to 14 for reference. The reaction group 8 includes a reaction slide 81 and a reaction load. Container 82. The two ends of the anti-load slide rail 81 are fixed to the lower rod seat 31 and the upper rod seat 32 respectively. The anti-load container 82 passes through the anti-load slide rail 81 and moves axially along the anti-load slide rail 81. Within the operating space 34, the lower rod seat 31 and the upper rod seat 32 are directed, and the anti-load container 82 group is provided with one end of an anti-load cable 83, and the other end of the anti-load cable 83 is provided with a A handle 831, and the anti-load cable 83 extends along the anti-load slide rail 81 to the upper pole seat 32, and is arranged around the lower end of the upper pole seat 32 at intervals. The rod 33 faces the impact base 41, and the anti-load handle 831 is buckled at the peripheral position of the impact base 41. One side of the aforementioned anti-load container 82 is provided with an anti-receiving receiving groove 821 inward, and a plurality of anti-reception receptacles 821 are provided. The number of load counterweights 84 can be selected to be placed in the anti-load accommodating groove 821, and the plurality of counterweight counterweights 84 are respectively provided with a slide rail dodge groove 841 and a counterweight handle 842 on opposite sides. The slide rail avoidance groove 841 is provided through the outer peripheral side of the anti-load slide rail 81, and the weight block handle 842 is exposed outside the slot of the anti-load receiving groove 821. The weight of the anti-loading container 82 is 2.5 kg, and each counter-weighting weight 84 is 0.5 kg. A maximum of ten anti-loading weighting pieces 84 can be placed in the anti-loading receiving groove 821 of the anti-loading container 82. Therefore, the total weight of the anti-load container 82 plus the aforementioned anti-weight block 84 can reach 7.5 kg (anti-load weight). In this way, the weight of the impact seat 41 (8 kg) is subtracted from the anti-load weight by 7.5 kg, and it can be measured. The drop weight impact test is performed at 0.5 kg. Through the adjustment of the counterweight (increasing or decreasing the number of counterweights 84), the weight drop impact of the required weight is further adjusted.

In addition, the bottom surface of the groove of the anti-load-receiving groove 821 is directed toward the lower pole base 31, and the bottom surface of the groove of the anti-load-receiving groove 821 is inclined inward from the notch and toward the lower pole base 31, As a result, the plurality of anti-load counterweights 84 are obliquely stacked on the bottom surface of the anti-load receiving groove 821; the anti-load receiving groove 821 includes a wide slot section 8211 and a narrow slot section 8212. The plurality of anti-weight counterweights 84 pass through the wide slot section 8211 into the anti-load receiving groove 821, and are restricted by the narrow slot section 8212 to prevent the anti-weight counterweight 84 from accidentally escaping from the Anti-load accommodating groove 821; the aforementioned counter-weight block 84 can be received in the built-in groove 22 of the base 2 when not in use.

The aforementioned anti-load container 82 includes a counter-top plate 822, the anti-slide rail 81 is provided with a plurality of anti-load buffer rods 811, and is close to the upper pole seat 32 and extends toward the lower pole seat 31. 811 is used to bounce against the anti-load top plate 822 to limit the accidental collision of the anti-load container 82 along the anti-load slide rail 81 toward the upper pole seat 32; the anti-load slide rail 81 is provided with an anti-load bottom spring 812 and is close to the The lower pole seat 31 is located, and the anti-load bottom spring 812 is used to resist the accidental impact of the anti-load container along the anti-load slide rail 81 toward the lower pole seat 31.

The reaction vessel 82 further includes a reaction linear bearing 823 and is sleeved on the reaction slide 81. The reaction linear bearing 823 is located between the reaction top plate 822 and the reaction receiving groove 821. ; Further includes an anti-swaying cable 824 passing through the anti-load container 82, and two ends of the anti-swaying cable 824 are fixed to the lower pole base 31 and the upper pole base 32, and the anti-swaying rope 824 is connected to the The anti-load slide rail 81 is in a parallel state, so the anti-load container 82 is passed through the anti-sloshing cable 824 to restrict the anti-load container 82 from sliding along the anti-load slide 81 to cause sloshing.

As shown in the fifth figure, a protective fence 100 is further included. The protective fence 100 is arranged on the peripheral side of the upper pole seat 32 and the lower pole seat 31 and surrounds the operating space 34. The protective fence 100 A fixing plate 101 is provided on the inner side of the fixing plate 101, and the fixing plate 101 is used for positioning the anti-load handle 831 upside down to stop using the anti-load group 8.

Please refer to FIG. 1 and FIG. 22 for reference. The falling weight impact tester 1 of the present invention further includes an impact buffer group 9 including a first impact buffer base 91 and a second impact buffer base 92, and The first impact buffer base 91 and the second impact buffer base 92 are arranged on the upper surface of the lower pole base 31 and are located in the operating space 34. The first impact buffer base 91 and the second impact buffer base 92 are respectively A plurality of impact buffer rods 911 and 921 extending in the direction of the impact base 41 are provided to elastically limit the lower end position of the impact base 41 to avoid accidental impact of the impact base 41 along the slide bar 33 toward the lower rod base 31. It further includes a recessed sensing group 900 configured on the second impact buffer seat 92. The recessed sensing group 900 includes a recessed sensing base 901, a recessed buffer head 902, a resistance ruler 903, and a distance scale 904. The distance scale 904 is disposed on the outer peripheral side of the recessed sensing base 901, and it is used to provide the resistance ruler 903 mounted on the recessed sensing base 901, and the displacement amount can be adjusted toward the upper pole base 32 and the lower pole base 31. The recessed buffer head 902 is configured on the resistance ruler 903 and acts when the impact base 41 is in the impact position, so that the sensing displacement signal of the resistance ruler 903 is transmitted to the control unit 7 and is measured based on the measurement. The depth dimension of the depression of the object A being impacted by the falling weight punch 42.

The falling weight impact tester 1 of the present invention can be applied to the test object A of two test types. The first type is a recessed type as described in the foregoing embodiment, and the second type is a puncture type. The type of the fixture group 6 required for the two types of testing, and the unused part of the fixture group 6 can be stored in the built-in groove 22 of the base 2.

The recessed fixture set 6 includes an upper top base 61, a lower base 62, a platform 63, a plurality of extension rods 64, and a plurality of series connecting columns 65. As shown in FIGS. 17 and 18, the plurality of series connecting columns The 65 series can be connected to each other head-to-tail and combined between the upper top base 61 and the lower base 62 and located at the center of the upper top base 61 and the lower base 62, and the platform 63 is fixed on the top The upper surface of the top base 61, and the upper surface of the platform 63 bears the object A to be subjected to a recessed impact test. One end of the plurality of extension rods 64 is fixed to the lower rod base 31, and the plurality of extension rods 64. The other end of the lower part passes through the lower base 62, the upper top base 61 and the upper surface of the platform 63, and the plurality of extension rods 64 are distributed on the lower base 62, the upper top base 61 and the platform 63. Corner position.

The puncture type of the clamp set 6 includes an upper top base 61, a lower base 62, a platform 63, a plurality of extension rods 64, a plurality of series connecting posts 65, a puncture tube 66, and a pressure plate 67, as shown in Figure 19 to As shown in the twenty-first figure, the plurality of stringing posts 65 can be connected to each other head and tail. In addition, the stringing posts 65 are disassembled and assembled with a hexagonal tool, and an appropriate number of stringing posts 65 are combined in the upper base 61. Between the upper base 61 and the lower base 62 and between the upper base 61 and the lower base 62 to adjust the height distance between the lower base 62 and the upper base 61 (platform 63), and the platform 63 is fixed to the upper base On the upper surface of the seat 61, the puncture tube 66 includes a flat plate portion 662 with a tube portion 661 connected to one end of the tube portion 661, and a perforation 663 penetrating the tube portion 661 and the flat plate portion 662. The tube portion 661 abuts against the surface of the upper base 61 with the opposite end connected to the flat plate portion 662, and the flat plate portion 662 faces the direction of the impact seat 41, and a plurality of fixing rods 68 each fix the flat plate portion 662 and The platform 63 is assembled to the flat plate portion 662 by the pressing plate 67, and the lower surface of the pressing plate 67 and the upper surface of the flat plate portion 662 are used. The surface clamp abuts the object A, and the pressure plate 67 is provided with a through hole 671 corresponding to the perforation 663, so that the punch 42 can penetrate the object A through the through hole 671 and the perforation 663, the plural One end of the extension rod 64 is fixed to the lower rod seat 31, and the other end of the plurality of extension rods 64 is passed through. The lower base 62 and the upper top base 61 penetrate the upper surface of the platform 63, and the plurality of extension rods 64 are distributed at the corner positions of the lower base 62, the upper top base 61 and the platform 63. In addition, the present invention provides that the punch 42 of the original circular type is replaced with the punch 42 of the needle type when the object A to be tested is punctured.

It is worth mentioning that the latch plate group 52 has two electromagnetic units 521, two driving rods 522, a latch stack plate 523, and a plurality of latch springs 524, as shown in the fourth figure, the fourth a, and the fourth b. The control unit 7 transmits signals to drive the two electromagnetic units 521, so that the two electromagnetic units 521 respectively drive the two driving rods 522, and at the same time, the two driving rods 522 and the plurality of ribs 525 respectively driving the latch stack 523 are separated from the two The plurality of outer ring grooves 4121 of the long rod 412 causes the pull group 5 to switch from the locked state to the released state relative to the impact group 4; The control unit 7 transmits signals to drive the two electromagnetic units 521 to stop operating. The latch spring 524 is pulled by the latch spring 524 to displace, and the plurality of ribs 525 of the latch stack 523 are pressed against the long rod. The plurality of outer ring grooves 4121 of 412 causes the latch plate group 52 to change from the released state to the locked state.

Please refer to the fourth and fifteenth figures, wherein a plurality of impact linear bearings 410 and a plurality of pulling linear bearings 510 are respectively arranged in the impact seat 41 and the hanger 51, and the plurality of impact linear bearings 410 and the plurality of pulling The linear bearing 510 is sleeved on the plurality of slide bars 33.

Claims (13)

A drop-weight impact tester includes a base, a slider group, an impact group, a pulling group, a clamp group, and a control unit, wherein the base has a mounting surface, and a sensing is arranged in the base. A plurality of impact sensors on the mounting surface, and the plurality of impact sensors are signal-connected to the control unit; the slider group includes a lower rod seat, an upper rod seat arranged opposite to each other, and two of the plurality of sliders The ends are fixed to the lower pole seat and the upper pole seat, respectively, and the lower pole seat is fixed to the mounting surface of the base, so that the slide bar group is located on the mounting surface and extends upward, and the upper pole seat and the The interval between the lower pole seats forms an operating space; the clamp group is used to carry an object to be measured and is arranged in an impact position in the operating space and fixed to the lower pole seat; the impact group includes an impact seat, A plurality of punches, the impact seat is slid along the plurality of slide bars and is located in the operating space and is displaced toward the upper rod seat and the lower rod seat, and one of the plurality of punches is installed at a lower end position of the impact seat Install the head towards the fixture group And the upper end of the impact group has a bearing surface, and the bearing surface is provided with a long rod extending upward and facing the upper rod seat, and a plurality of outer ring grooves arranged at intervals on the outer surface of the long rod. ; The pulling group includes a hanger, the hanger has a penetrating hole for the part of the long rod with an outer ring groove to pass through, and the hanger is provided with a bolt plate group, and the transmission mechanism is configured The lower pole seat is connected to the upper pole seat and is connected to the control unit signal, the control unit drives the transmission mechanism to drive the hanger to a pinch position and is located above the impact seat, and the control unit drives the latch The plate group moves toward the plurality of outer ring grooves of the long rod and latches into a locked state with each other, and the control unit drives the transmission mechanism to drive the hanger at the clamped position along the plurality of slide rods toward the upper rod seat Displacement to a release position in the operating space and close to the upper pole seat; and the control unit drives the bolt plate group to move away from the plurality of outer ring grooves of the long pole into a release state, so that the impact seat By the operating space The release position of the slider along the plurality of clamps towards the direction of the gravitational fall, and in that a plurality of punches which are in the collision of the impact object to be measured set the clamp position. The drop weight impact testing machine according to claim 1, wherein a built-in groove is provided inwardly on the peripheral side of the base. The heavy-duty impact test machine according to claim 1, wherein the slider group includes a side rod, and both ends of the side rod are respectively fixed to the lower rod seat and the upper rod seat, and the control unit is disposed in the The outer surface of the side lever is pivoted to the side lever by a shaft turning portion of a baffle pull plate, and a baffle and a handle are respectively extended on the peripheral side of the shaft turning portion of the baffle pull plate to manually drive the The handle is turned so that the baffle moves from a free position outside the operation space to a stop position formed in the operation space and abutting the lower end surface of the impact seat. The drop-weight impact test machine according to claim 2, further comprising a reaction group, and the reaction group includes a reaction slide and a reaction container, and the two ends of the reaction slide are respectively fixed at The lower pole seat and the upper pole seat, the anti-load container passes through the anti-load slide rail and moves axially along the anti-load slide rail in the operating space toward the lower pole seat and the upper pole seat, and The anti-load container group is provided with one end of an anti-load cable, and the other end of the anti-load cable is provided with an anti-load handle, and the anti-load cable extends along the anti-load slide rail to the upper pole seat, and is wound around The two fixed pulleys located on the lower end of the upper pole seat are followed by one of the plurality of slider bars toward the impact seat, and the reaction load handle is buckled at the lower end edge position of an outer gap on the peripheral side of the impact seat; One side of the container is provided with a counter-load receiving groove, and a plurality of counter-load counterweights can be selected to be placed in the counter-load receiving tank, and the counter-weight counterweights are respectively provided with one on opposite sides. A slide rail dodge groove and a counterweight handle, the slide rail dodge groove is provided through the outer peripheral side of the anti-load slide rail, and the counterweight handle is exposed on the Outside of the slot of the anti-load-receiving groove; the bottom surface of the groove of the anti-load-receiving groove is oriented toward the lower rod seat; and the bottom surface of the groove of the anti-load-receiving groove is directed from the slot inward and toward the lower rod; The direction of the seat is inclined, so that the plurality of counterweights are stacked obliquely on the bottom surface of the counter-receiving groove; the counter-receiving groove slot includes a wide groove section and a narrow groove section, The plurality of counterweight blocks penetrate the counterload receiving slot through the wide slot section, and are restricted by the narrow slot section to prevent the counterweight block from accidentally leaving the counterload holding slot; The anti-load slide rail is provided with an anti-load bottom spring and is close to the lower pole seat, and the anti-load bottom spring is used to spring off the accidental impact of the anti-load container along the anti-load slide rail toward the lower pole seat; The reaction vessel further includes a reaction linear bearing and is sleeved on the reaction slide; the reaction vessel includes a reaction top plate, the reaction slide is provided with a plurality of reaction buffer bars and is close to the upper rod Seat and extends in the direction of the lower pole seat, the plurality of anti-load buffer rods are used to bounce against the anti-load top plate to limit the anti-load container along Accidental impact of the anti-load slide rail toward the upper pole seat; the aforementioned anti-load linear bearing is located between the anti-load top plate and the anti-load receiving groove; the aforementioned anti-load counterweight can be stored in the built-in of the base A groove; further comprising an anti-swaying cable system passing through the anti-load container, and two ends of the anti-swaying cable are fixed to the lower pole seat and the upper pole seat, and the anti-sloshing rope system and the anti-load slide rail present Parallel state. The heavy-duty impact test machine according to claim 2, wherein the long rod of the impact base includes an inner section, an outer section, and a connecting section connecting the inner section and one of the outer sections, wherein The outer diameter of the connecting section is smaller than the outer diameter of the inner section and the outer section, and the plurality of outer ring grooves are disposed at an interval from the outer section, and the inner section is closer to the outer section than the connecting section and the outer section. Location of the bearing surface of the impact seat; the impact group further includes a plurality of impact weight plates stacked on the bearing surface, and the plurality of impact weight plates are provided with a long groove inward from the outer peripheral side, and the long groove includes a A narrow slot section and a wide slot section, after the plurality of impact counterweight plates pass through the connecting section with the narrow slot section of the long slot, the inner surface of the wide slot section is sleeved on the outer surface of the inner section; the plurality The impact weight plate is provided with a plurality of through-holes which are the same as the extending direction of the long groove, and the through-holes pass through a plurality of threaded through-rods extending upwardly from the bearing surface, and a plurality of screw caps are screwed to the plurality of threaded through-rods, respectively. And the plurality of nuts are pressed against the uppermost surface of the plurality of impact weight plates stacked Another limit plate is fixed to the end of the plurality of threaded rods; the plurality of impact weight plates can be stored in the built-in groove. The heavy-duty impact test machine according to claim 1, further comprising an impact buffer group, including a first impact buffer base and a second impact buffer base, and the first impact buffer base and the second impact buffer base group. The first impact buffer seat and the second impact buffer seat are respectively provided on the upper surface of the lower rod seat and in the operating space, and are provided with a plurality of impact buffer rods extending toward the impact seat for springing against the restriction. The position of the lower end of the impact base avoids accidental impact of the impact base along the sliding rod toward the lower rod base. The drop-weight impact test machine according to claim 6, further comprising a recessed sensing group disposed on the second impact buffer seat. The recessed sensing group includes a recessed sensing base, a recessed buffer head, a A resistance scale and a distance scale, the distance scale is arranged on the outer peripheral side of the recessed sensing base, and it is used to provide that the resistance scale is mounted on the recessed sensing base and can be adjusted toward the upper pole base and the lower pole base. , And the recessed buffer head group is matched with the resistance ruler and acts when the impact seat is at the impact position, so that the sensing displacement signal of the resistance ruler is transmitted to the control unit. The heavy-duty impact test machine according to claim 2, wherein the fixture group includes an upper top seat, a lower base, a platform, a plurality of extension rods, and a plurality of series-connected posts, and the plurality of series-connected post systems can be in phase with each other. It is connected between the upper base and the lower base, and is located at the center of the upper base and the lower base. The platform is fixed on the upper surface of the upper base, and the upper surface of the platform It carries the recessed impact test by carrying the object under test. One end of the plurality of extension rods is fixed to the lower rod seat, and the other end of the plurality of extension rods passes through the lower base, the upper top seat and out of the The upper surface of the platform, and the plurality of extension rods are distributed at the corner positions of the lower base, the upper top base and the platform; the fixture set is not used and can be stored in the built-in groove of the base. The heavy-duty impact test machine according to claim 2, wherein the fixture group includes an upper top seat, a lower base, a platform, a plurality of extension rods, a plurality of tandem posts, a puncture tube, a pressure plate, and the plurality of cascades The pillars can be connected to each other head to tail and combined between the upper base and the lower base and located at the center of the upper and lower bases, and the platform is fixed to the upper surface of the upper base. The puncture tube includes a flat plate portion connected to one end of the tubular body portion, and a perforation penetrating through the tubular portion and the flat plate portion, and the tubular portion abuts against the opposite end connected to the flat plate portion. The top plate surface, and the flat plate portion faces the direction of the impact seat, and there are a plurality of fixing rods, each of which fixes the flat plate portion and the platform at two ends, is assembled on the flat plate portion by the pressing plate, and uses the lower surface of the pressing plate and The upper surface of the flat plate portion is clamped against the object to be measured, and the pressure plate is provided with a through hole corresponding to the perforation, so that the punch can penetrate the object through the through hole and the perforation to impact the object to be measured. One end is fixed to the lower pole seat, and the plurality of extension poles are One end passes through the lower base, the upper top base and the upper surface of the platform, and the plurality of extension rods are distributed at the corner positions of the lower base, the upper top base and the platform; Received in the built-in slot of the base. The heavy-duty impact test machine according to claim 1, wherein the transmission mechanism includes a screw and a drive motor, the drive motor is driven and closed by the control unit signal to drive the screw to rotate and stop rotating, and the The rotation of the screw drives the hanger of the pulling group to move to the release position and the pinch position. The heavy-duty impact test machine according to claim 1, wherein the bolt plate group has two electromagnetic units, two driving rods, a bolt stack, and a plurality of bolt springs, and the control unit transmits signals to drive the two electromagnetic units to operate. So that the two electromagnetic units respectively drive the two driving rods, and at the same time, the two driving rods and the plurality of ribs respectively driving the latch stack are separated from the plurality of outer ring grooves of the long rod, so that the pull group is locked by the impact group relative to the impact group The state transitions to the release state transition; and the control unit is a transmission signal to drive the two electromagnetic units to stop operation. The latch spring is pulled by the plurality of latch springs to displace, and the plurality of ribs of the latch stack resist the long The plurality of outer ring grooves of the lever, so that the bolt plate group is switched from the released state to the locked state. The heavy-duty impact test machine according to claim 1, wherein the impact seat and the hanger are respectively provided with a plurality of impact linear bearings and a plurality of pull linear bearings, and the plurality of impact linear bearings and the plurality of pull linear bearing systems are sleeved. Set on the plurality of sliders. The falling weight impact testing machine according to claim 4, further comprising a protective fence, the protective fence group is arranged on the peripheral side of the upper pole seat and the lower pole seat and surrounds the operating space; the protective fence A fixed plate is provided on the inner side of the hedge, and the fixed plate is used for positioning the anti-load handle to buckle to stop using the anti-load group.