CN210923254U - Protection device for bar impact experiment is restrainted to hopkinson based on concrete sample - Google Patents
Protection device for bar impact experiment is restrainted to hopkinson based on concrete sample Download PDFInfo
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- CN210923254U CN210923254U CN201921662180.4U CN201921662180U CN210923254U CN 210923254 U CN210923254 U CN 210923254U CN 201921662180 U CN201921662180 U CN 201921662180U CN 210923254 U CN210923254 U CN 210923254U
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Abstract
The utility model discloses a protection device for Hopkinson beam impact test based on a concrete sample, which is characterized by comprising a glass cover plate and two groups of supporting leg assemblies which are oppositely arranged left and right, wherein the upper ends of the supporting leg assemblies are provided with glass side plates, the supporting leg assemblies are provided with height adjusting mechanisms, an interval adjusting mechanism is arranged between the two groups of supporting leg assemblies, and the glass cover plate is arranged at the upper ends of the supporting leg assemblies and is in running fit with the supporting leg assemblies; the device has the advantages that the protection device can be arranged on the Hopkinson beam bar impact experiment device on the premise of not changing the experiment device and not influencing the experiment operation, so that fragments of a concrete sample are prevented from splashing everywhere after the concrete sample is impacted by high speed, and the high-speed camera is protected from being damaged; and be provided with height adjusting mechanism on the supporting legs subassembly, be provided with interval adjustment mechanism between two sets of supporting legs subassemblies for whole protector's size, height are variable, and applicable in the laboratory bench of different width and height, its commonality is better.
Description
Technical Field
The utility model relates to a Hupkinson beam impact experiment for studying concrete performance parameters especially relates to a protector that Hupkinson beam impact experiment based on concrete sample.
Background
In the experiment involving concrete, often need to utilize hopkinson beam rod device to carry out the impact test to the concrete piece, and then the mechanical properties of analysis concrete. Because the experiment is a high-speed impact experiment, sometimes a high-speed camera is needed to record the fracture trend of the concrete surface, and the surface fracture trend rule is combined with related mechanical parameters to obtain more accurate data. However, the impact testing device has the following defects: (1) the high-speed impact can cause fragments of the concrete block to splash everywhere, and the fragments can cause great damage to the camera body or the lens of the high-speed camera; (2) after the experiment, the concrete piece can produce a large amount of powder and piece because of high-speed striking, and the dispersion face is wide, brings very big inconvenience for follow-up clearance laboratory bench.
Also there is some experimental apparatus's protection casing at present, can be used to prevent that the piece from splashing, but the protection casing of most is only a five closed cover bodies, and it can not be used for hopkinson beam rod to strike the experiment, and the size can not be adjusted moreover, and occupation space is big, accomodates inconveniently.
Disclosure of Invention
The utility model aims to solve the technical problem that a can prevent that the piece from splashing everywhere, and the commonality is good, the protector based on the experiment is strikeed to hopkinson beam pole of concrete sample of being convenient for accomodate is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a protector of experiment is restrainted to hopkinson beam based on concrete sample strikes, includes the relative supporting legs subassembly that sets up in glass apron and two sets of left and right sides, the upper end of supporting legs subassembly be provided with the glass curb plate, the supporting legs subassembly on be provided with high adjustment mechanism, it is two sets of the supporting legs subassembly between be provided with interval adjustment mechanism, the glass apron set up supporting legs subassembly the upper end and with supporting legs subassembly normal running fit.
Furthermore, the supporting leg assembly comprises a supporting frame and two supporting legs, the supporting frame is sleeved on the two supporting legs, a vertical first slot plate is fixedly arranged on the supporting frame, and the glass side plate is connected with the first slot plate in an inserting mode, so that the glass side plate is fixed on the supporting frame.
Furthermore, the height adjusting mechanism comprises a base, a first handle, a pressing plate, a positioning pin and a spring, the base is fixed on the supporting frame, the pressing plate is hinged in the base, the spring is propped between the upper end of the pressing plate and the base, a shifting fork is integrally arranged at the lower end of the pressing plate and is in inserted connection with the positioning pin, a plurality of positioning holes which are arranged up and down are arranged on the supporting leg, when the spring jacks up the upper end of the pressing plate, the shifting fork presses the positioning pin into one of the positioning holes so that the supporting frame is fixed with the supporting leg, and when the upper end of the pressing plate is pressed, the shifting fork drives the positioning pin to be separated from the positioning hole so that the supporting frame can slide up and down along the supporting leg, the first handle is fixed on the base and positioned outside the lower end of the pressing plate.
Further, the distance adjusting mechanism comprises a horizontally arranged telescopic rod, and the end part of the telescopic rod is fixedly connected with the support frame at the corresponding end of the telescopic rod through a bolt.
Furthermore, a locking mechanism is arranged on the telescopic rod.
Furthermore, the locking mechanism comprises a seat pipe clamp and a lock catch, the telescopic rod comprises a circular straight pipe and an opening straight pipe, the opening straight pipe is sleeved on the circular straight pipe, the seat pipe is sleeved on the opening straight pipe, and the lock catch is matched with the seat pipe clamp, so that the circular straight pipe and the opening straight pipe are relatively fixed or relatively slide.
Furthermore, the upper end of the support frame is provided with a rotatable second slot plate, the glass cover plate is in sliding insertion with the second slot plate, a horizontal slot is formed in the outer side of the lower end of one support frame, when the glass cover plate slides away from the second slot plate on the support frame on one side, the glass cover plate is rotated and the lower end of the glass cover plate is inserted into the slot on the support frame on the other side, so that the glass cover plate is in an open state, and a second handle is fixedly arranged on the glass cover plate.
Furthermore, an inserting seat is fixedly arranged on the inner side of the lower end of the supporting frame, an inserting block is integrally arranged on the ash receiving box, and the inserting block is horizontally inserted into the inserting seat; through the cooperation of glass curb plate with connect the ash box, prevented the scattering everywhere of concrete fragment and powder, partly concrete powder and piece can directly fall into and connect the ash box, and the remainder that falls on the laboratory bench is also conveniently cleaned.
Furthermore, the lower ends of the supporting legs are provided with brake universal wheels, so that the protection device can be conveniently moved.
Furthermore, the glass side plate and the glass cover plate are made of organic glass.
Compared with the prior art, the utility model has the advantages that the protective device can be arranged on the Hopkinson beam impact experimental device on the premise of not changing the experimental device and not influencing the experimental operation, so that fragments of a concrete sample are prevented from splashing everywhere after the concrete sample is impacted by high speed, and the high-speed camera is protected from being damaged; the height adjusting mechanisms are arranged on the supporting leg assemblies, and the distance adjusting mechanisms are arranged between the two groups of supporting leg assemblies, so that the size and the height of the whole protection device can be changed, the protection device is suitable for test tables with different widths and heights, and the universality is better; and whole protector dismantles conveniently, when not using, as long as extract the bolt of telescopic link tip, can pull down the telescopic link, with the protector split two halves, its occupation space is little, accomodates the convenience.
Drawings
FIG. 1 is a schematic view of the usage state of the present invention;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the telescopic rod and its locking mechanism of the present invention;
FIG. 4 is a schematic structural view of the height adjustment mechanism of the present invention with the base removed;
fig. 5 is an exploded schematic view of the height adjusting mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in the figure, the protection device for the Hopkinson beam impact experiment based on the concrete sample comprises a glass cover plate 1 and two groups of supporting leg assemblies which are oppositely arranged on the left and right, wherein each supporting leg assembly comprises a supporting frame 2 and two supporting legs 3, the supporting frame 2 is sleeved on the two supporting legs 3, a vertical first slot plate 21 is fixedly arranged on the supporting frame 2, and a glass side plate 4 is inserted into the first slot plate 21 so that the glass side plate 4 is fixed on the supporting frame 2;
the supporting leg assembly is provided with a height adjusting mechanism 5, the height adjusting mechanism 5 comprises a base 51, a first handle 52, a pressing plate 53, a positioning pin 54 and a spring 55, the base 51 is fixed on the supporting leg 2, the pressing plate 53 is hinged in the base 51, the spring 55 is propped between the upper end of the pressing plate 53 and the base 51, the lower end of the pressing plate 53 is integrally provided with a shifting fork 56, the shifting fork 56 is spliced with the positioning pin 54, the supporting leg 3 is provided with a plurality of positioning holes 31 which are arranged up and down, when the spring 55 props up the upper end of the pressing plate 53, the shifting fork 56 presses the positioning pin 54 into one of the positioning holes 31, so that the supporting leg 2 is fixed with the supporting leg 3, when the upper end of the pressing plate 53 is pressed, the shifting fork 56 drives the positioning pin 54 to be separated from the positioning hole 31, so that; a distance adjusting mechanism is arranged between the two groups of supporting foot components, the distance adjusting mechanism comprises a telescopic rod 6 which is horizontally arranged, the telescopic rod 6 comprises a straight circular tube 61 and an open straight tube 62, one end of the open straight tube 62 is sleeved on the straight circular tube 61, the other end of the open straight tube 62 and the end part of the straight circular tube 61 are respectively and fixedly connected with the supporting frame 2 at the corresponding end through a bolt 22, a locking mechanism is arranged between the straight circular tube 61 and the open straight tube 62, the locking mechanism comprises a seat tube clamp 63 and a lock catch 64, the seat tube clamp 63 is sleeved on the open straight tube 62, and the lock catch 64 is matched with the seat tube clamp 63, so that the straight circular tube 61 and the open straight tube 62 are relatively fixed or relatively slide;
the upper end of support frame 2 is provided with rotatable second slot board 23, glass apron 1 and the slip grafting of second slot board 23, the lower extreme outside of one of them support frame 2 is provided with horizontally slot 24, when glass apron 1 slided from the second slot board 23 that is located on the support frame 2 of one side, rotate glass apron 1 and insert the slot 24 on the support frame 2 of opposite side with its lower extreme, make glass apron 1 be in the open mode, the last fixed second handle 11 that is provided with of glass apron 1, the inboard fixed plug socket 25 that is provided with of lower extreme of support frame 2, connect an organic whole to be provided with plug block 71 on the ash box 7, plug block 71 and plug socket 25 level are pegged graft.
In the above embodiment, the lower ends of the supporting legs 3 can be provided with the brake universal wheels 8, and the glass side plates 4 and the glass cover plate 1 are made of organic glass.
In the above embodiment, the use method of the protection device is as follows: the two groups of supporting foot components are respectively placed on the left side and the right side of the Hopkinson beam impact experiment device 100, then the telescopic rod 6 and the supporting frame 2 are fixed through the bolt 22, the lock catch 4 is loosened, the relative position between the circular straight pipe 61 and the opening straight pipe 62 is adjusted, the ash receiving box 7 is just positioned on the side face of the experiment table 200, the telescopic rod 6 is locked, the height of the supporting frame 2 is adjusted through the height adjusting mechanism 5, the height of the ash receiving box 7 is slightly lower than that of the experiment table 200, then a concrete sample is placed between the Hopkinson beam, the glass cover plate 1 is covered, and the high-speed camera 300 is placed on the outer side of the glass side plate 4, so that an impact experiment can be started; after the experiment, all sweep into with concrete piece and powder on the laboratory bench 200 and connect grey box 7 to pull out from bayonet socket 25 and connect grey box 7 to clear up, then extract the bolt 22 of 6 tip of telescopic link, pull down telescopic link 6, be two halves with whole protector split, convenient storage.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, modification and improvement that can be easily conceived by those skilled in the art are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a protector of experiment is restrainted to hopkinson beam based on concrete sample strikes, its characterized in that includes the relative supporting legs subassembly that sets up in glass apron and two sets of left and right sides, the upper end of supporting legs subassembly be provided with the glass curb plate, the supporting legs subassembly on be provided with height adjusting mechanism, two sets of supporting legs subassembly between be provided with interval adjustment mechanism, the glass apron set up supporting legs subassembly the upper end and with supporting legs subassembly normal running fit.
2. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 1, wherein: the supporting leg assembly comprises a supporting frame and two supporting legs, the supporting frame is sleeved on the two supporting legs, a vertical first slot plate is fixedly arranged on the supporting frame, and the glass side plate is connected with the first slot plate in an inserting mode, so that the glass side plate is fixed on the supporting frame.
3. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 2, wherein: the height adjusting mechanism comprises a base, a first handle, a pressure plate, a positioning pin and a spring, the base is fixed on the supporting frame, the pressing plate is hinged in the base, the spring is propped between the upper end of the pressing plate and the base, the lower end of the pressure plate is integrally provided with a shifting fork which is inserted with the positioning pin, the supporting leg is provided with a plurality of positioning holes which are arranged up and down, when the spring jacks up the upper end of the pressure plate, the shifting fork presses the positioning pin into one of the positioning holes, so that the support frame is fixed with the supporting legs, when the upper end of the pressing plate is pressed, the shifting fork drives the positioning pin to be separated from the positioning hole, so that the supporting frame can slide up and down along the supporting leg, the first handle is fixed on the base and positioned outside the lower end of the pressing plate.
4. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 2, wherein: the distance adjusting mechanism comprises a horizontally arranged telescopic rod, and the end part of the telescopic rod is fixedly connected with the supporting frame at the corresponding end through a bolt.
5. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 4, wherein: the telescopic rod is provided with a locking mechanism.
6. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 5, wherein: the locking mechanism comprises a seat pipe clamp and a lock catch, the telescopic rod comprises a circular straight pipe and an opening straight pipe, the opening straight pipe is sleeved on the circular straight pipe, the seat pipe is sleeved on the opening straight pipe, and the lock catch is matched with the seat pipe clamp, so that the circular straight pipe and the opening straight pipe are relatively fixed or relatively slide.
7. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 2, wherein: the upper end of support frame be provided with rotatable second slot board, the glass apron with second slot board slip grafting, the lower extreme outside of one of them support frame is provided with the horizontally slot, work as the glass apron when sliding from the second slot board that is located the support frame of one side, rotate the glass apron and insert the slot on the support frame of opposite side with its lower extreme, make the glass apron be in the open mode, the glass apron on fixedly be provided with the second handle.
8. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 2, wherein: the lower end inner side of the support frame is fixedly provided with a plug socket, the ash receiving box is integrally provided with a plug block, and the plug block is horizontally plugged with the plug socket.
9. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 2, wherein: the lower ends of the supporting legs are provided with brake universal wheels.
10. The protection device for Hopkinson beam bar impact test based on the concrete sample as recited in claim 1, wherein: the glass side plate and the glass cover plate are made of organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662180.4U CN210923254U (en) | 2019-09-30 | 2019-09-30 | Protection device for bar impact experiment is restrainted to hopkinson based on concrete sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662180.4U CN210923254U (en) | 2019-09-30 | 2019-09-30 | Protection device for bar impact experiment is restrainted to hopkinson based on concrete sample |
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| Publication Number | Publication Date |
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| CN210923254U true CN210923254U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921662180.4U Active CN210923254U (en) | 2019-09-30 | 2019-09-30 | Protection device for bar impact experiment is restrainted to hopkinson based on concrete sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595752A (en) * | 2021-03-02 | 2021-04-02 | 湖大科瑞（江苏）检测技术有限公司 | Heat dissipation plate performance test system |
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2019
- 2019-09-30 CN CN201921662180.4U patent/CN210923254U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595752A (en) * | 2021-03-02 | 2021-04-02 | 湖大科瑞（江苏）检测技术有限公司 | Heat dissipation plate performance test system |
| CN112595752B (en) * | 2021-03-02 | 2021-05-18 | 湖大科瑞（江苏）检测技术有限公司 | Heat dissipation plate performance test system |
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