CN216433794U - Reflective film impact resistance measuring device for road engineering - Google Patents
Reflective film impact resistance measuring device for road engineering Download PDFInfo
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- CN216433794U CN216433794U CN202122468061.9U CN202122468061U CN216433794U CN 216433794 U CN216433794 U CN 216433794U CN 202122468061 U CN202122468061 U CN 202122468061U CN 216433794 U CN216433794 U CN 216433794U
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- reflective film
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- steel ball
- impact resistance
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Abstract
The application discloses an impact resistance measuring device for a reflective film for road engineering, which is characterized in that the device is adjusted to be in a horizontal state through the matching between each thread leveling rod and a level gauge, a reflective film sample to be measured is placed in a sample placing box, then a steel ball is pushed to a ball drop hole or is directly placed at the ball drop hole, under the action of gravity of the steel ball, a buffer spring is compressed, two buffer plates are opened to enable the steel ball to fall to impact the reflective film sample to be measured, and finally a magnifier is used for observing whether cracks occur on the surface of the reflective film except for the impact, interlayer separation or other damage occurs, so as to determine whether the impact resistance of the reflective film is qualified, the buffer plates and the buffer springs are arranged to buffer the initial speed of the steel ball, so that free falling motion of the steel ball when the steel ball enters the ball drop hole is ensured, and the measuring accuracy can be improved; and the setting of sample placement box can carry on spacingly to the steel ball that falls, prevents that the steel ball from rolling at will, avoids meeting accident or causing destruction to experiment table etc..
Description
Technical Field
The application relates to the field of road engineering, in particular to an impact resistance measuring device for a reflective film for road engineering.
Background
The reflecting film used in road engineering is a novel reflecting material formed by combining a reflecting layer formed by glass beads and high polymer materials such as PVC, PU and the like by adopting a special process. The reflective film is mostly suitable for traffic signs or commercial signs, is also widely used for automobile sound reflective stickers, is a safety sign of automobiles, and is a reflective material for ensuring traffic safety and reducing accidents.
At present, with the wide application and popularization of the reflective film, the quality requirement of the reflective film is higher and higher, and generally, after the reflective film is processed and manufactured, the impact resistance of the reflective film needs to be measured to ensure the quality of the reflective film. Nowadays, mainly test the impact resistance ability of reflective membrane through the resistant impact determination device of reflective membrane, specifically utilize the steel ball to make free fall motion and accomplish the test, however, current survey device is when using, need artifical manual steel ball that will place on the device to push away to the ball hole or directly put down from the ball hole department that falls, but the initial velocity of steel ball is zero for hardly being guaranteed to this kind of operating means, what can't guarantee promptly that the steel ball does is free fall motion, and then can exert an influence to the accuracy of experiment. And after the steel ball falls, the steel ball is easy to separate from the sample and the bottom plate, so that accidents occur or damage is caused to the experiment table and the like.
SUMMERY OF THE UTILITY MODEL
The application provides a reflective membrane is shock-resistant survey device for road engineering, and it is low to have solved traditional reflective membrane shock-resistant survey device test accuracy among the prior art, and the steel ball rolls after whereabouts at will, produces the problem of accident or leading to the fact destruction to experiment table etc. easily.
In order to solve the technical problem, the application provides a reflective membrane shock resistance survey device for road engineering, includes:
the device comprises a bottom plate and a placing plate, wherein thread leveling rods are arranged at corners of the bottom plate, a first level is arranged at a position, close to the edge, of the bottom plate, a plurality of thread supporting rods are arranged on the bottom plate, thread holes corresponding to the thread supporting rods are arranged on the placing plate, the upper end of each thread supporting rod is screwed to penetrate through the thread holes and extend to the upper side of the placing plate, an adjusting nut is screwed at the upper end of each thread supporting rod, baffles are arranged on the two sides of the placing plate along the length direction, a slide way is formed between each baffle and the placing plate, a ball falling hole is arranged at the middle position of the placing plate, two mounting grooves which are mutually symmetrical are arranged on two sides of the ball falling hole, a buffer plate is rotatably arranged in each mounting groove through a connecting shaft, and a buffer spring is arranged between each buffer plate and the mounting groove, and the bottom plate is provided with a sample placing box corresponding to the ball falling hole.
Preferably, a second level is further arranged on the placing plate.
Preferably, the placing plate is further provided with side plates on both sides in the width direction.
Preferably, the number of the thread supporting rods is four, and the four thread supporting rods are uniformly distributed on the bottom plate.
Preferably, each of the threaded support rods is located within the specimen holding box.
Preferably, a placing groove corresponding to the sample is further arranged in the sample placing box.
Preferably, the buffer spring is arranged obliquely, one part of the buffer spring is positioned in the mounting groove, and the other part of the buffer spring is positioned outside the mounting groove.
Preferably, the lower end of each of the threaded leveling rods is further provided with a stabilizing plate.
Compared with the prior art, the reflective membrane impact resistance measuring device for road engineering comprises a bottom plate and a placing plate, wherein the corners of the bottom plate are provided with thread leveling rods, the position of the bottom plate close to the edge is provided with a first level gauge, the bottom plate is provided with a plurality of thread supporting rods, the placing plate is provided with threaded holes corresponding to the thread supporting rods, the upper end of each thread supporting rod is screwed to penetrate through the threaded holes and extend to the upper side of the placing plate, the upper end of each thread supporting rod is screwed with an adjusting nut, the two sides of the placing plate along the length direction are provided with baffle plates, a slide way is formed between each baffle plate and the placing plate, the middle position of the placing plate is provided with a ball falling hole, the two sides of the ball falling hole are provided with two symmetrical mounting grooves, each mounting groove is internally provided with a buffer plate through a connecting shaft in a rotating manner, and a buffer spring is arranged between each buffer plate and the mounting groove, the bottom plate is provided with a sample placing box corresponding to the ball falling hole.
Therefore, when the device is applied, in actual use, the device is firstly adjusted to be in a horizontal state through the matching between each thread leveling rod and the level gauge, a reflective membrane sample to be measured is placed in the sample placing box, then the solid steel ball placed on the placing plate is pushed to the position of the ball drop hole or is directly placed at the position of the ball drop hole, due to the gravity of the solid steel ball, when the solid steel ball is contacted with the buffer plates, the buffer springs are compressed and shortened, the two buffer plates can be opened to enable the solid steel ball to fall to impact the reflective membrane sample to be measured, finally, whether cracks appear on the surface of the reflective membrane except for the impact, interlayer separation or other damage is observed by using a magnifier, and then whether the impact resistance of the reflective membrane is qualified is determined, the initial speed of the solid steel ball can be buffered through the arrangement of the buffer plates and the buffer springs, and the free falling body movement of the solid steel ball is ensured when the solid steel ball enters the ball drop hole, thereby improving the accuracy of the determination; and the setting of sample placement box can carry on spacingly to the steel ball that falls, prevents that the steel ball from rolling at will, avoids meeting accident or causing destruction to experiment table etc..
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a schematic structural view of an impact resistance measuring device of a reflective film for road engineering according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a placement board according to an embodiment of the present invention;
in the figure, 1 a bottom plate, 2 a placing plate, 3 a thread leveling rod, 30 a screwing cap, 4 a first level gauge, 5 a thread supporting rod, 6 an adjusting nut, 7 a baffle, 8 a ball falling hole, 9 a mounting groove, 10 a connecting shaft, 11 a buffer plate, 12 a buffer spring, 13 a sample placing box, 14 a second level gauge, 15 a side plate, 16 a stabilizing plate and 17 a placing groove.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of this application is that a reflective membrane shock-resistant survey device for road engineering is provided, can solve traditional reflective membrane shock-resistant survey device test accuracy among the prior art and hang down, and the steel ball rolls with will after whereabouts, produces accident easily or causes the problem of destruction to experiment table etc..
Fig. 1 is the embodiment of the utility model provides a reflective membrane shock resistance survey device for road engineering structure sketch map, fig. 2 is the embodiment of the utility model provides a place board profile, as shown in fig. 1 to fig. 2, the device includes:
Specifically, the shape and the size of the bottom plate 1 can be determined according to actual conditions, the thread leveling rods 3 are arranged at the corner positions of the bottom plate 1, the first level gauge 4 is arranged at the position, close to the edge, of the bottom plate 1, during operation, the screwing caps 30 can be fixed at the upper ends of the thread leveling rods 3, the screwing caps 30 are held by hands to enable the thread leveling rods 3 to move up and down, the bottom plate 1 is in a horizontal state through observation of the first level gauge 4, and the accuracy of the experiment is improved. The lower extreme and the 1 fixed connection of bottom plate of screw thread bracing piece 5, the upper end of screw thread bracing piece 5 is run through the screw hole of placing on the board 2 and is extended to the upside of placing board 2, during the use, can adjust to the horizontality through the mode of twisting adjusting nut 6 soon, and as preferred embodiment, the number of screw thread bracing piece 5 is four, and four screw thread bracing pieces 5 evenly distributed are on bottom plate 1. In order to quickly determine the level of the resting plate 2, a second level 14 is also provided on the resting plate 2 as a preferred embodiment. The structure and the working principle of the first level 4 and the second level 14 are known from the prior art.
Baffle 7 is fixed to be set up and is being placed board 2 along length direction's both sides position department, and in order to improve the convenience of design, can be with baffle 7 with place board 2 and set up and be the integrated into one piece structure, the installation back, baffle 7 with place and can form the slide between the board 2, during the use, can place solid steel ball and slide to in 20. In order to prevent the solid steel balls in the slide from sliding off from the two ends of the slide under the action of external force, as a preferred embodiment, side plates 15 are further provided on the two sides of the placing plate 2 in the width direction. The ball falling hole 8 is arranged in the middle of the placing plate 2, the shape and the size of the ball falling hole 8 are required to be corresponding to those of the solid steel ball, and the solid steel ball is required to be ensured to smoothly pass through. Mounting groove 9 sets up the bilateral symmetry position department in ball hole 8 that falls, all be provided with connecting axle 10 in two mounting grooves 9, connecting axle 10 and buffer plate 11 rotate to be connected, buffer spring 12 is fixed to be set up between the downside of buffer plate 11 and the bottom side of mounting groove 9, in the time of using, when solid steel ball and buffer plate 11 contact, buffer plate 11 receives pressure, buffer spring 12 is compressed and shortens, two buffer plate 11 rotate downwards and separately make solid steel ball pass and do the free fall motion, solid steel ball passes the back, buffer spring 12 resets and makes buffer plate 11 be in primitive state (horizontality), the setting of mounting groove 9 needs to be in order to make buffer plate 11 take place the rotation smoothly as the standard, the setting of two buffer plate 11 needs to be in order to make after rotating, solid steel ball passes smoothly as the standard. In order to improve the returning efficiency and effect of the damping plate 11, as a preferred embodiment, the damping spring 12 may be disposed to be inclined, and a portion of the damping spring 12 is located in the mounting groove 9 and another portion of the damping spring 12 is located outside the mounting groove 9.
The sample is placed case 13 and is set up on bottom plate 1, and the sample is placed case 13 and is located and fall ball hole 8 and correspond, during the use, can place the sample with the reflective membrane sample that awaits measuring and place case 13, and solid steel ball falls the back, can place case 13 through the sample and carry on spacingly, avoids solid steel ball to roll at will. In order to improve the placing stability of the reflective membrane sample to be tested, as a preferred embodiment, a placing groove 17 corresponding to the sample is further arranged in the sample placing box 13, and the reflective membrane sample to be tested is placed in the placing groove 17. In a preferred embodiment, each threaded support rod 5 is located within the sample placement box 13. In order to improve the stability of the device in use, a stabilizing plate 16 is preferably provided at the lower end of each threaded levelling rod 3.
The application provides a reflective membrane impact-resistant measuring device for road engineering, when in actual use, the device is adjusted to a horizontal state through the cooperation between each thread leveling rod and a level gauge, a reflective membrane sample to be measured is placed in a sample placing box, then a solid steel ball placed on a placing plate is pushed to a ball drop hole or is directly placed at the ball drop hole, due to the gravity of the solid steel ball, when the solid steel ball is in contact with buffer plates, buffer springs are compressed and shortened, the two buffer plates can be opened to enable the solid steel ball to fall down to impact the reflective membrane sample to be measured, finally, a magnifier is used to observe whether cracks appear on the surface of the reflective membrane except for impact, interlayer separation or other damage is carried out, further, whether the impact resistance of the reflective membrane is qualified is determined, and the initial speed of the solid steel ball can be buffered by the arrangement of the buffer plates and the buffer springs, the solid steel ball is ensured to do free falling body movement when entering the ball falling hole, so that the measurement accuracy can be improved; and the setting of sample placement box can carry on spacingly to the steel ball that falls, prevents that the steel ball from rolling at will, avoids meeting accident or causing destruction to experiment table etc..
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. The utility model provides a reflective membrane shock resistance survey device for road engineering which characterized in that includes:
the device comprises a bottom plate and a placing plate, wherein thread leveling rods are arranged at corners of the bottom plate, a first level is arranged at a position, close to the edge, of the bottom plate, a plurality of thread supporting rods are arranged on the bottom plate, thread holes corresponding to the thread supporting rods are arranged on the placing plate, the upper end of each thread supporting rod is screwed to penetrate through the thread holes and extend to the upper side of the placing plate, an adjusting nut is screwed at the upper end of each thread supporting rod, baffles are arranged on the two sides of the placing plate along the length direction, a slide way is formed between each baffle and the placing plate, a ball falling hole is arranged at the middle position of the placing plate, two mounting grooves which are mutually symmetrical are arranged on two sides of the ball falling hole, a buffer plate is rotatably arranged in each mounting groove through a connecting shaft, and a buffer spring is arranged between each buffer plate and the mounting groove, and the bottom plate is provided with a sample placing box corresponding to the ball falling hole.
2. The impact resistance measurement device for the reflective film for road engineering according to claim 1, wherein a second level is further provided on the placement plate.
3. The impact resistance measuring device of a reflective film for road construction according to claim 1, wherein side plates are further provided on both sides of the mounting plate in the width direction.
4. The impact resistance measurement device for the reflective film for road engineering according to claim 1, wherein the number of the threaded support rods is four, and the four threaded support rods are uniformly distributed on the bottom plate.
5. The impact resistance measuring device of a reflective film for road engineering according to claim 4, wherein each of the threaded support rods is located in the sample placing box.
6. The impact resistance measurement device for the reflective film for road engineering according to claim 1, wherein a placement groove corresponding to the sample is further provided in the sample placement box.
7. The apparatus for measuring impact resistance of a reflective film for road construction according to any one of claims 1 to 6, wherein the buffer spring is disposed obliquely, and a part of the buffer spring is located inside the installation groove and another part of the buffer spring is located outside the installation groove.
8. The impact resistance measuring device of a reflective film for road construction according to any one of claims 1 to 6, wherein a stabilizing plate is further provided at a lower end of each of the screw leveling rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468061.9U CN216433794U (en) | 2021-10-13 | 2021-10-13 | Reflective film impact resistance measuring device for road engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468061.9U CN216433794U (en) | 2021-10-13 | 2021-10-13 | Reflective film impact resistance measuring device for road engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216433794U true CN216433794U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122468061.9U Active CN216433794U (en) | 2021-10-13 | 2021-10-13 | Reflective film impact resistance measuring device for road engineering |
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| Country | Link |
|---|---|
| CN (1) | CN216433794U (en) |
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2021
- 2021-10-13 CN CN202122468061.9U patent/CN216433794U/en active Active
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