CN219319996U - Drop hammer impact testing machine - Google Patents
Drop hammer impact testing machine Download PDFInfo
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- CN219319996U CN219319996U CN202223426071.7U CN202223426071U CN219319996U CN 219319996 U CN219319996 U CN 219319996U CN 202223426071 U CN202223426071 U CN 202223426071U CN 219319996 U CN219319996 U CN 219319996U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a drop hammer impact testing machine, which relates to the technical field of impact testing equipment and comprises a drop hammer assembly, wherein the drop hammer assembly comprises an impact hammer head, a drop hammer block and a magnetic block, the left side and the right side of the drop hammer block and the left side of the magnetic block are respectively vertically and slidably arranged on drop hammer guide posts on the two corresponding sides, the top of the impact hammer head is vertically and slidably arranged in the middle position of the drop hammer block through a drop hammer base rod, a lifting mechanism for lifting the top of the magnetic block is arranged in the drop hammer chamber, and an electromagnetic block for magnetically attracting the top of the drop hammer base rod is arranged at the center of the bottom of the magnetic block; the two sides of the top of the partition plate are provided with secondary impact prevention seats corresponding to the falling positions of the falling blocks, the front side and the rear side of the falling holes are respectively provided with secondary impact prevention cylinders, and the telescopic ends of the secondary impact prevention cylinders are provided with cylinder clamping blocks; according to the utility model, the consistency of the test is improved through the arranged secondary impact prevention mechanism, and the multi-azimuth impact test of various samples is adapted through the sample mounting platform.
Description
Technical Field
The utility model relates to the technical field of impact test equipment, in particular to a drop hammer impact tester.
Background
Various electronic products such as notebook computers, tablet computers, mobile phones, keyboards and the like, and plastic shells and metal parts of various products are required to be subjected to impact test to verify the impact resistance.
The traditional drop hammer impact tester cannot set impact height, impact times, acquisition of impact energy, acceleration and dynamic impact force-time curves in computer software, generates a test report, can convert PDF or EXCEL to output, and cannot accurately adjust a plurality of impact points in a plurality of directions of a product XYZ.
The general drop hammer impact is great, can produce the resilience owing to antigravity after striking the sample, very easily leads to secondary striking, and secondary striking can disturb sensor data's collection, leads to data input to be disordered still need carry out further screening analysis, and secondly, because drop hammer simulation free fall, the lifting unit that drop hammer reset still can produce the reverse interference to the free fall, leads to drop hammer whereabouts impact force diminish or with actual free fall produce data error.
In order to solve the above problems, we provide a drop hammer impact tester to solve the above problems.
Disclosure of Invention
The utility model aims to provide a drop hammer impact testing machine for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the drop hammer impact testing machine comprises a testing machine case, wherein the testing machine case is divided into a drop hammer chamber and an impact chamber from top to bottom through a partition plate horizontally arranged at the middle lower part, a drop hammer assembly used for vertically and freely falling is arranged in the drop hammer chamber, a sample mounting platform used for mounting a sample is arranged in the impact chamber, and the drop hammer assembly freely falls into the sample mounting platform from the drop hammer chamber and impacts with the sample;
the drop hammer assembly comprises an impact hammer head, drop hammer blocks and magnetic blocks, drop hammer guide posts are vertically arranged on two sides of a drop hammer chamber respectively, the drop hammer blocks and the left and right sides of the magnetic blocks vertically slide and penetrate through the drop hammer guide posts on the corresponding two sides respectively, the magnetic blocks are positioned above the drop hammer blocks, the top of the impact hammer head vertically slides through drop hammer base rods and penetrates through the middle positions of the drop hammer blocks, lifting mechanisms for lifting the magnetic blocks to the tops are arranged in the drop hammer chambers, and electromagnetic blocks for magnetically attracting the tops of the drop hammer base rods are arranged in the centers of the bottoms of the magnetic blocks;
the anti-secondary impact device is characterized in that anti-secondary impact seats are arranged on two sides of the top of the partition plate corresponding to the falling positions of the falling blocks, buffer contact blocks used for being contacted with the falling blocks after impact occurs are arranged on the top of the anti-secondary impact seats, falling hammer holes used for the impact hammer heads to fall into an impact chamber are formed in the center of the partition plate, anti-secondary impact cylinders are respectively arranged on the front side and the rear side of each falling hammer hole, and cylinder clamping blocks used for immediately clamping the impact hammer heads after impact transmission are arranged at the telescopic ends of the anti-secondary impact cylinders.
As a further scheme of the utility model: the sample mounting platform comprises a clamp assembly for clamping a sample, and at least one moving mechanism or a plurality of moving mechanism combinations for driving the clamp assembly to move in an X-axis, a Y-axis and a Z-axis, horizontally rotate, front and back rotate or left and right rotate are arranged on the sample mounting platform.
As still further aspects of the utility model: the sample mounting platform comprises an adjusting bottom plate which is horizontally arranged in an impact chamber, lower guide posts are vertically and fixedly arranged at four corners in the impact chamber respectively, the adjusting bottom plate is horizontally fixed at four lower guide posts, a plurality of lower guide posts are vertically and slidably arranged between the lower guide posts, a hand worm gear screw lifter is arranged at the bottom of the adjusting bottom plate, an input shaft of the hand worm gear screw lifter is driven by a sample heightening crank which is arranged to rotate, a lifting shaft is arranged at the lifting end of the hand worm gear screw lifter, the lifting shaft vertically and slidably passes through the center of the adjusting bottom plate and is fixed at the bottom of the lifting plate, a transverse screw adjusting frame, a longitudinal screw adjusting frame and a horizontal rotating table are sequentially arranged at the top of the lifting plate from bottom to top, the longitudinal screw adjusting frame is vertically and fixedly arranged at the bottom of the transverse screw adjusting frame, the moving end of the transverse screw adjusting frame is used for integrally transversely moving on the transverse screw adjusting frame, the moving end of the longitudinal screw adjusting frame is used for integrally moving on the horizontal rotating table, the lifting shaft is arranged at the front and back of the lifting frame, the lifting shaft vertically slides through the adjusting bottom of the adjusting frame and is fixedly arranged at the top of the transverse screw adjusting frame, the longitudinal screw adjusting frame is provided with a plurality of rotating clamps which can be used for recording the condition of samples of a plurality of samples.
As still further aspects of the utility model: and a plurality of groups of sensor assemblies for recording the influence of the impact on the sample are arranged in the impact chamber.
As still further aspects of the utility model: the sensor assembly comprises a force sensor for recording impact force data, an image acquisition sensor for recording the impact state of a sample and an infrared sensor for detecting the position of an impact hammer head.
As still further aspects of the utility model: the lifting mechanism comprises a synchronous toothed belt, a lifting top box is arranged at the top of the test case, a lifting servo motor is arranged in the lifting top box, a motor toothed ring is fixedly arranged on a motor shaft of the lifting servo motor, a bottom toothed ring is arranged at the position of the top surface of the partition plate relative to the motor toothed ring, the bottom toothed ring is arranged on the top surface of the partition plate through a toothed ring frame seat, a synchronous toothed belt which is vertically arranged is connected between the bottom toothed ring and the motor toothed ring in a transmission manner, and the magnetic block backboard is fixedly connected with a single-side belt surface of the synchronous toothed belt through a toothed plate.
As still further aspects of the utility model: the device is characterized in that side frames are vertically arranged on two sides of the drop hammer chamber, a plurality of speed sensor assemblies are arranged on the side frames along the falling direction of the drop hammer assemblies, and drag chains for accommodating the drop hammer assemblies in a wiring mode are arranged on the side frames.
As still further aspects of the utility model: the drop hammer chamber and the striking chamber are both provided with visual opening and closing safety doors, an electric cabinet is arranged on one side of the test case, a control panel for operation is arranged on a front panel of the electric cabinet, and a control box for analyzing impact data of the drop hammer assembly is arranged on one side of the electric cabinet.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model improves the consistency of the test through the arranged secondary impact prevention mechanism, and the system can monitor the final impact speed and the dynamic impact force in real time and draw an impact force-time curve for impact analysis of materials;
2. according to the utility model, the impact hammer head is driven to reset through the arranged magnetic lifting mechanism, so that the interference of direct transmission connection between the lifting mechanism and the impact hammer head can be reduced to the minimum in the falling type separation operation, and the test data error is further reduced;
3. according to the utility model, the test platform can be adjusted in multiple directions, so that the rapid multidirectional and multi-point impact of a product is met;
4. according to the utility model, the lifting servo motor is adopted to lift the impact height of the lifting mechanism;
5. the utility model can synchronously lead the impact force and the high-speed shooting to be on the same time axis by carrying the trigger signal of the high-speed camera.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the structure of the inside of the impingement chamber of the present utility model;
FIG. 4 is a schematic view of the horizontal rotary table in FIG. 3;
FIG. 5 is a schematic view of the structure of FIG. 1 with the housing removed;
FIG. 6 is a schematic view of the drop hammer chamber after removal of the drop hammer assembly;
FIG. 7 is a schematic structural view of a drop hammer assembly;
FIG. 8 is a schematic structural view of a secondary impact prevention assembly;
fig. 9 is a schematic diagram of a connection structure of the timing belt and the drop hammer assembly.
Wherein: the test case 1, the drop hammer chamber 10, the striking chamber 11, the partition plate 12, the drop hammer hole 13, the lifting top box 14, the side frame 15, the drag chain 16, the lifting servo motor 2, the motor toothed ring 20, the synchronous toothed belt 21, the bottom toothed ring 22, the toothed ring frame base 23, the secondary impact prevention base 3, the buffer contact block 30, the secondary impact prevention cylinder 31, the cylinder clamping block 32, the impact hammer 4, the drop hammer base rod 40, the drop hammer block 41, the drop hammer guide post 42, the magnetic block 43, the electromagnetic block 44, the adjusting bottom plate 5, the lower guide post 50, the lifting plate 51, the hand worm gear screw lifter 52, the lifting shaft 53, the sample lifting crank 54, the transverse screw adjusting frame 55, the longitudinal screw adjusting frame 56, the horizontal rotary table 6, the rotary sample frame 60, the multi-point dynamic force sensing base 61, the sample clamp 62, the high-speed camera 63, the speed sensor assembly 64, the electric control box 7, the control panel 70 and the control box 71.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-9, in an embodiment of the present utility model, a drop hammer impact testing machine includes a testing machine case 1, wherein the testing machine case 1 is divided into a drop hammer chamber 10 and an impact chamber 11 from top to bottom by a partition plate 12 horizontally installed at the middle lower part, a drop hammer assembly for vertical free falling is arranged in the drop hammer chamber 10, a sample installation platform for installing a sample is arranged in the impact chamber 11, and the drop hammer assembly falls freely from the drop hammer chamber 10 to the sample installation platform and impacts with the sample;
the drop hammer assembly comprises an impact hammer head 4, a drop hammer block 41 and a magnetic block 43, drop hammer guide posts 42 are vertically arranged on two sides of a drop hammer chamber 10 respectively, the left side and the right side of the drop hammer block 41 and the left side and the right side of the magnetic block 43 are vertically and slidably arranged on the drop hammer guide posts 42 on the corresponding two sides respectively, the magnetic block 43 is positioned above the drop hammer block 41, the top of the impact hammer head 4 is vertically and slidably arranged in the middle position of the drop hammer block 41 through a drop hammer base rod 40, a lifting mechanism for lifting the top of the magnetic block 43 is arranged in the drop hammer chamber 10, and an electromagnetic block 44 for magnetically attracting the top of the drop hammer base rod 40 is arranged in the center of the bottom of the magnetic block 43;
the secondary impact prevention seat 3 is arranged at the two sides of the top of the partition plate 12 corresponding to the falling positions of the falling weight blocks 41, the buffer contact blocks 30 used for being contacted with the falling weight blocks 41 after impact occurs are arranged at the top of the secondary impact prevention seat 3, the falling weight holes 13 used for enabling the impact hammer heads 4 to fall into the impact chamber 11 are formed in the center of the partition plate 12, the secondary impact prevention cylinders 31 are respectively arranged at the front side and the rear side of the falling weight holes 13, and the cylinder clamping blocks 32 used for immediately clamping the impact hammer heads 4 after impact transmission are arranged at the telescopic ends of the secondary impact prevention cylinders 31.
When the device works, the magnetic block 43 is mainly used for carrying the falling weight block 41 by adsorbing the falling weight base rod 40 to rise to the high point position of impact together, when in test, the electromagnetic block 44 is powered off, the electromagnetic block 44 is separated from the falling weight base rod 40, the falling weight base rod 40 and the falling weight block 41 do free falling motion along the falling weight guide post 42 together, after the impact test is finished, the magnetic block 43 falls again until the electromagnetic block 44 is contacted with the top end of the falling weight base rod 40, the electromagnetic block 44 is powered on to absorb the falling weight base rod 40 again, and then the magnetic block 43 carries the falling weight block 41 again to the high position through the lifting mechanism to wait for the next test;
the secondary impact preventing seat 3 is mainly used for preventing the impact hammer 4 from bouncing up and down after impacting the surface of a sample, secondary impact can be generated on the surface of the sample, the test effect is affected, after the bottom of the impact hammer 4 falls on the surface of the sample to finish the impact, the external detection sensor can drive the secondary impact preventing cylinder 31 to act inside, the cylinder clamping block 32 can vertically Ma Chaoxiang impact the outer wall of the hammer 4 to move, the cylinder clamping blocks 32 on the front side and the rear side instantly clamp the impact hammer 4 in an environment-friendly manner, the buffer contact block 30 is mainly used for conducting contact limiting and buffer action on the drop hammer 41, and attention is paid to the fact that the buffer contact block 30 and the drop hammer 41 can not interfere data sampling of the impact process when being contacted according to the test requirement, and the length of the corresponding impact hammer 4 or the height of the buffer contact block 30 can be set according to the impact requirement, so that details are omitted.
Still further aspects are as follows: the sample mounting platform comprises a clamp assembly for clamping a sample, and at least one moving mechanism or a plurality of moving mechanism combinations for driving the clamp assembly to move in an X-axis, a Y-axis and a Z-axis, horizontally rotate, front and back rotate or left and right rotate are arranged on the sample mounting platform.
Still further aspects are as follows: the sample mounting platform comprises an adjusting bottom plate 5 horizontally arranged in an impact chamber 11, lower guide posts 50 are vertically and fixedly arranged at four corners in the impact chamber 11, the adjusting bottom plate 5 is horizontally fixed at the bottoms of the four lower guide posts 50, lifting plates 51 which move up and down are vertically and slidably arranged among the plurality of lower guide posts 50, a hand-operated worm-gear screw lifter 52 is arranged at the bottom of the adjusting bottom plate 5, an input shaft of the hand-operated worm-gear screw lifter 52 is driven by a sample lifting crank 54 to rotate, a lifting shaft 53 is arranged at the lifting end of the hand-operated worm-gear screw lifter 52, the lifting shaft 53 vertically and slidably passes through the center of the adjusting bottom plate 5 and is fixed at the bottom of the lifting plates 51, a transverse screw adjusting frame 55, a longitudinal screw adjusting frame 56 and a horizontal rotary table 6 are sequentially arranged at the top of the lifting plates 51 from bottom to top, the longitudinal screw adjusting frame 56 is vertically and crosswise arranged with the transverse screw adjusting frame 55, the bottom of the longitudinal screw adjusting frame 56 is fixedly arranged at the moving end of the transverse screw adjusting frame 55 for integrally moving on the transverse screw adjusting frame 55, the horizontal screw adjusting frame 6 is rotatably arranged at the moving end of the horizontal rotary table 60, a plurality of sample holders 60 are rotatably arranged at the top of the rotary table 6 and are rotatably arranged at the front of the rotary table 60;
during operation, the adjusting bottom plate 5 can be integrally lifted or lowered through the rotating crank 54, so that the impact height position of a sample is changed, the transverse screw adjusting frame 55, the longitudinal screw adjusting frame 56 and the horizontal rotating frame 6 are respectively used for driving transverse movement adjustment, longitudinal horizontal adjustment and horizontal rotation adjustment of articles, the sample clamp 62 can rotate around the rotating sample frame 60 and clamp the sample, the sample can be subjected to impact test from various positions and angles, the multipoint dynamic force sensing seat 61 comprises a plurality of pressure sensors which are respectively arranged at four corners of the rotating sample frame 60, and the stress conditions of different points of the sample are corresponding, so that the specific stress conditions of each part when the sample is subjected to impact force can be analyzed more finely.
Still further aspects are as follows: a plurality of groups of sensor assemblies for recording the impact on the sample are arranged in the impact chamber 11.
Still further aspects are as follows: the sensor assembly comprises a force sensor for recording impact force data, an image acquisition sensor for recording the impact state of a sample and an infrared sensor for detecting the position of the impact hammer 4;
in operation, the force sensor is shown in fig. 3 and fig. 4, the multipoint dynamic force sensing seat 61 is arranged at the bottom of the rotary sample holder 60, the multipoint dynamic force sensing seat 61 can directly judge different stress conditions of multiple points of the sample when the impact hammer 4 impacts the sample, the image collecting sensor can be arranged around the sample, such as the high-speed camera 63 shown in fig. 3, and can intuitively analyze the state of the sample, or the impact process, wherein the infrared sensor for detecting the position of the impact hammer 4, such as the infrared sensor 64 shown in fig. 3, is mainly used for conveniently controlling actions of other components, such as actions of the secondary impact prevention cylinder 31, for example, triggering instantaneous synchronous shooting of the impact of the high-speed camera 63.
Still further aspects are as follows: the lifting mechanism comprises a synchronous toothed belt 21, a lifting top box 14 is arranged at the top of the test case 1, a lifting servo motor 2 is arranged in the lifting top box 14, a motor toothed ring 20 is fixedly arranged on a motor shaft of the lifting servo motor 2, a bottom toothed ring 22 is arranged on the top surface of the partition plate 12 relative to the position of the motor toothed ring 20, the bottom toothed ring 22 is arranged on the top surface of the partition plate 12 through a toothed ring frame seat 23, a synchronous toothed belt 21 which is vertically arranged is in transmission connection between the bottom toothed ring 22 and the motor toothed ring 20, and a magnetic block 43 back plate is fixedly connected with a single-side belt surface of the synchronous toothed belt 21 through a toothed plate 45;
when the lifting servo motor 2 works, the motor toothed ring 20 drives the single-side belt surface of the synchronous toothed belt 21 to move up and down, and then the synchronous toothed belt 21 drives the magnetic block 43 to move up and down through the toothed plate 45, so that the lifting action of the magnetic block 43 is completed.
Example 2
The difference from example 1 is that:
still further aspects are as follows: the two sides of the drop hammer chamber 10 are vertically provided with side frames 15, the side frames 15 are provided with a plurality of speed sensor assemblies 65 along the drop direction of the drop hammer assemblies, and the side frames 15 are provided with drag chains 16 for accommodating the drop hammer assemblies in a wiring manner;
in operation, the speed sensor assembly 65 is configured to collect different speed parameters of the drop position of the drop weight assembly, and the drag chain 16 is configured to substantially prevent the drop weight assembly line speed from affecting the drop process.
Still further aspects are as follows: the drop hammer chamber 10 and the impact chamber 11 are both provided with visual opening and closing safety doors, one side of the test case 1 is provided with an electric control box 7, a control panel 70 for operation is arranged on the front panel of the electric control box 7, and one side of the electric control box 7 is provided with a control box 71 for analyzing impact data of a drop hammer assembly;
in operation, the electric control box 7 is mainly used for operating the impact process of the drop hammer, including resetting the drop hammer assembly and falling the drop hammer assembly, and the control box 71 is mainly used for collecting sensor signals of the impact process and is matched with an analysis system for analysis display and recording.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Although the present disclosure describes embodiments in terms of one embodiment, not every embodiment is provided with only one embodiment, and the description is for clarity only, and those skilled in the art should recognize that the embodiments described in the disclosure may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
Claims (8)
1. The utility model provides a drop hammer impact testing machine, includes test machine case (1), test machine case (1) is with inside from top to bottom to separate into drop hammer room (10) and striking room (11) through baffle (12) of well lower part horizontal installation, be provided with the drop hammer subassembly that is used for vertical free fall in drop hammer room (10), striking room (11) are provided with the sample mounting platform that is used for installing the sample, drop hammer subassembly by drop hammer room (10) in free fall to sample mounting platform and take place to strike with the sample, its characterized in that:
the drop hammer assembly comprises an impact hammer head (4), drop hammer blocks (41) and magnetic blocks (43), drop hammer guide posts (42) are vertically arranged on two sides of a drop hammer chamber (10), the drop hammer blocks (41) and the left and right sides of the magnetic blocks (43) are vertically and slidably arranged on the drop hammer guide posts (42) on two corresponding sides respectively, the magnetic blocks (43) are located above the drop hammer blocks (41), the tops of the impact hammer heads (4) vertically slide through drop hammer base rods (40) to penetrate through the middle positions of the drop hammer blocks (41), lifting mechanisms for lifting the magnetic blocks (43) to the tops are arranged in the drop hammer chamber (10), and electromagnetic blocks (44) for magnetically attracting the tops of the drop hammer base rods (40) are arranged at the centers of the bottoms of the magnetic blocks (43).
The anti-secondary impact device is characterized in that anti-secondary impact seats (3) are arranged at the two sides of the top of the partition plate (12) corresponding to the falling positions of the falling weight blocks (41), buffer contact blocks (30) used for being contacted with the falling weight blocks (41) after impact occurs are arranged at the tops of the anti-secondary impact seats (3), falling weight holes (13) used for enabling impact hammerheads (4) to fall into the impact chamber (11) are formed in the centers of the partition plate (12), anti-secondary impact cylinders (31) are respectively arranged at the front side and the rear side of the falling weight holes (13), and cylinder clamping blocks (32) used for immediately clamping the impact hammerheads (4) after impact transmission are arranged at the telescopic ends of the anti-secondary impact cylinders (31).
2. The drop hammer impact testing machine according to claim 1, wherein the sample mounting platform comprises a clamp assembly for clamping the sample, and at least one moving mechanism or a combination of moving mechanisms for driving the clamp assembly to move along an X axis, a Y axis, a Z axis, horizontally rotate, back and forth rotate or left and right rotate are arranged on the sample mounting platform.
3. The drop hammer impact testing machine according to claim 2, wherein the sample mounting platform comprises an adjusting bottom plate (5) horizontally arranged in an impact chamber (11), lower guide posts (50) are vertically and fixedly arranged at four corners in the impact chamber (11), the adjusting bottom plate (5) is horizontally fixed at the bottoms of the four lower guide posts (50), lifting plates (51) which move up and down are vertically and slidably arranged among the lower guide posts (50), a hand-operated worm screw lifter (52) is arranged at the bottom of the adjusting bottom plate (5), an input shaft of the hand-operated worm screw lifter (52) is driven to rotate by means of a sample lifting crank (54) arranged in the impact chamber, lifting shafts (53) are arranged at lifting ends of the hand-operated worm screw lifter (52), the lifting shafts (53) vertically slide through the centers of the adjusting bottom plate (5) and are fixed at the bottoms of the lifting plates (51), transverse screw adjusting frames (55), longitudinal adjusting frames (56) and horizontal screw adjusting frames (6) are sequentially arranged at the tops of the lifting plates (51), the transverse screw adjusting frames (56) are transversely and horizontally moved at the bottoms of the transverse screw adjusting frames (55), the movable end that horizontal revolving stage (6) bottom was installed vertical lead screw regulating frame (56) is used for wholly shifting around on horizontal revolving stage (6), rotatory sample frame (60) are installed to horizontal revolving stage (6) top, sample holder (62) that are used for installing the sample are installed through the rotating frame that can screw at rotatory sample frame (60) top, be provided with between rotatory sample frame (60) and horizontal revolving stage (6) and be used for recording multiple spot different positions atress condition multiple spot dynamic force sensing seat (61).
4. A drop hammer impact tester according to claim 1, characterized in that the striking chamber (11) is provided with a plurality of groups of sensor assemblies for registering the impact on the sample.
5. A drop hammer impact tester according to claim 4, characterized in that the sensor assembly comprises a force sensor for recording impact force data, an image acquisition sensor for recording the impact state of the sample, and an infrared sensor for detecting the position of the impact hammer head (4).
6. The drop hammer impact testing machine according to claim 1, wherein the lifting mechanism comprises a synchronous toothed belt (21), a lifting top box (14) is arranged at the top of the testing machine box (1), a lifting servo motor (2) is arranged in the lifting top box (14), a motor toothed ring (20) is fixedly arranged on a motor shaft of the lifting servo motor (2), a bottom toothed ring (22) is arranged on the top surface of the partition plate (12) opposite to the motor toothed ring (20), the bottom toothed ring (22) is arranged on the top surface of the partition plate (12) through a toothed ring frame seat (23), a synchronous toothed belt (21) which is vertically arranged is in transmission connection between the bottom toothed ring (22) and the motor toothed ring (20), and the magnetic block (43) is fixedly connected with a single-side belt surface of the synchronous toothed belt (21) through a toothed plate (45).
7. The drop hammer impact testing machine according to claim 1, wherein side frames (15) are vertically installed on two sides of the drop hammer chamber (10), a plurality of speed sensor assemblies (65) are arranged on the side frames (15) along the falling direction of the drop hammer assemblies, and drag chains (16) for containing the drop hammer assembly wires are arranged on the side frames (15).
8. Drop hammer impact tester according to claim 1, characterized in that the drop hammer chamber (10) and the striking chamber (11) are both provided with visual opening and closing safety doors, one side of the test case (1) is provided with an electric control box (7), a control panel (70) for operation is arranged on a front panel of the electric control box (7), and one side of the electric control box (7) is provided with a control box (71) for analyzing drop hammer assembly impact data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426071.7U CN219319996U (en) | 2022-12-20 | 2022-12-20 | Drop hammer impact testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426071.7U CN219319996U (en) | 2022-12-20 | 2022-12-20 | Drop hammer impact testing machine |
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| Publication Number | Publication Date |
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| CN219319996U true CN219319996U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223426071.7U Active CN219319996U (en) | 2022-12-20 | 2022-12-20 | Drop hammer impact testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147338A (en) * | 2023-08-30 | 2023-12-01 | 济南商泰试验仪器有限公司 | Secondary impact prevention device for air cylinder |
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2022
- 2022-12-20 CN CN202223426071.7U patent/CN219319996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147338A (en) * | 2023-08-30 | 2023-12-01 | 济南商泰试验仪器有限公司 | Secondary impact prevention device for air cylinder |
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