CN211292243U - Wet wheel wearing and tearing experiment slurry mixture shaping's mould fixing device - Google Patents
Wet wheel wearing and tearing experiment slurry mixture shaping's mould fixing device Download PDFInfo
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- CN211292243U CN211292243U CN201922269433.8U CN201922269433U CN211292243U CN 211292243 U CN211292243 U CN 211292243U CN 201922269433 U CN201922269433 U CN 201922269433U CN 211292243 U CN211292243 U CN 211292243U
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- plate body
- mould
- fixing device
- plate
- slurry mixture
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Abstract
The utility model relates to a wet wheel abrasion experiment slurry mixture forming's mould fixing device, the plate body is the rectangle, and the four corners of plate body is provided with first through-hole, and the mould sets up in the top of plate body, and the mould is the rectangle, and the surface of mould is equipped with the round hole of intercommunication from top to bottom, and the width of mould is the same with the plate body, and the length of mould is less than the plate body, is provided with the second through-hole corresponding with first through-hole position on the mould; the asphalt felt is laid on the upper surface of the plate body, the asphalt felt covers the round hole, after the mould and the plate body are fixed through the first through hole and the second through hole, the asphalt felt is clamped between the plate body and the mould, and the lower end of the plate body is provided with a support plate which is used for supporting the mould fixing device; the joint of the mould and the asphalt felt is ensured to be tight without gaps, thereby avoiding the slurry mixture liquid from flowing out from the gaps to influence the quality of a formed test piece, and the asphalt felt and the mould are relatively fixed to avoid the deformation of the mixture shape caused by the relative movement when the unformed test piece is moved in the early stage, and the later stage experiment is influenced.
Description
Technical Field
The utility model belongs to the technical field of the bituminous paving maintenance, specifically be a fashioned mould fixing device of wet wheel wearing and tearing experiment slurry mixture.
Background
In the road maintenance research, the compatibility and the water damage resistance of the slurry mixture are evaluated by a wet wheel abrasion value obtained by a wet wheel abrasion experiment, and the smaller the wet wheel abrasion value is, the better the compatibility and the water damage resistance of the material are represented. Wet wheel wear tests are now commonly used in the study of slurry mixtures, however, there are still many inconveniences in the operation of the slurry mixture forming process.
The conventional operation for manufacturing the test piece is to place the felt wafer on an operation table, place a mold on the felt, communicate the upper part and the lower part of the mold with the outside, pour the mixed slurry mixture into the mold to be tamped and strickled, and finally place the mold into an oven to be molded, however, the following problems exist in the actual operation process; firstly, the joint between the mould and the felt is not tight enough, and the liquid in the slurry mixture often flows out from the gap in the process of tamping or early-stage conveying, so that the performance of the mixture after forming is influenced; second, the slurry mixture mobility that lies in the mould earlier stage is great, leads to the mould easily to take place relative slip, and simultaneously under the condition that lacks stable handling tool, the error rate is higher in the whole handling, and easy to operate is improper to cause the deformation and the damage of test piece to influence the accuracy of wet wheel wearing and tearing experiment in later stage.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a fashioned mould fixing device of wet wheel wearing and tearing experiment slurry mixture, the operation of being convenient for can prevent that the liquid in the slurry mixture from flowing out from the mould, reduces experimental error, raises the efficiency simultaneously, can ensure that the shaping goes out a standard experiment test piece.
The utility model discloses a realize through following technical scheme:
a mold fixing device for slurry mixture forming in a wet wheel abrasion experiment comprises an oil felt, a mold, a plate body and a support plate;
the plate body is rectangular, first through holes are formed in four corners of the plate body, the die is arranged above the plate body and is rectangular, communicated round holes are formed in the upper portion and the lower portion of the surface of the die, the width of the die is the same as that of the plate body, the length of the die is smaller than that of the plate body, and second through holes corresponding to the first through holes are formed in the die;
the asphalt felt is laid on the upper surface of the plate body, the asphalt felt covers the round hole, after the mold and the plate body are fixed through the first through hole and the second through hole, the asphalt felt is clamped between the plate body and the mold, and the lower end of the plate body is provided with a support plate which is used for supporting the mold fixing device.
Preferably, the support plate is arranged along the width direction of the plate body, the cross section of the support plate is a rectangular strip, the upper end of the support plate and the lower end of the plate body are of an integrated structure, and the support plate is arranged at two ends of the plate body.
Further, still including setting up the board of holding in the plate body both sides, hold the board including last board and the board of holding down, go up and hold the board and extend the setting along the edge level of plate body, hold down the board parallel with last board of holding, hold the outside of board setting at the extension board lower extreme down.
Furthermore, the lower extreme of extension board is provided with the recess, and the upper surface of plate body is provided with the protruding rail that can peg graft the cooperation with the recess.
Further, the shape of the convex rail is the same as that of the groove.
Furthermore, the shape of the convex rail and the groove is trapezoidal.
Preferably, the first through hole and the second through hole are both screw holes, and screws are installed in the screw holes of the die and the plate body.
Preferably, the felt is circular, and the diameter of the felt is 2-4 cm larger than that of the circular hole.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a fashioned mould fixing device of wet wheel wearing and tearing experiment slurry mixture can be fixed through setting up the through-hole in plate body and mould, and the felt is laid at the upper surface of plate body, can further be with the felt by the centre gripping between plate body and mould, guarantees that mould and the laminating of felt closely do not have the space, avoids slurry mixture liquid to flow out from the gap thereby influence the quality of shaping test piece, produces relative movement and leads to the mixture shape to warp when avoiding removing the not fashioned test piece in earlier stage with the felt and mould relatively fixed simultaneously, influences later stage experiment; the utility model overcomes the disadvantages such as easy loss of liquid, yielding of test piece in the slurry mixture test piece forming process in earlier stage of wet wheel wearing and tearing experiment, the device stable in structure simultaneously avoids the test piece to remove the in-process because of the error influence test piece shaping quality to influence the wet wheel wearing and tearing experiment in later stage.
Furthermore, the support plate is arranged along the width direction of the plate body, and the strip-shaped support plate has a certain height, so that the operation and the lifting are convenient.
Furthermore, the two sides of the plate body are provided with holding plates, and the lower holding plate and the upper holding plate which are parallel are designed, so that the hand-held operation is convenient.
Further, the water bath before oven health preserving and doing the wet wheel wearing and tearing among the test piece forming process at present often goes on simultaneously because the space size of oven and water tank and the limitation of conventional tray are very difficult many test pieces, and efficiency is lower, the utility model discloses the complex protruding rail of can pegging graft and recess are set up, and a plurality of devices of being convenient for are stacked mutually to make things convenient for later stage multiunit test piece to put into the oven health preserving simultaneously and put into the water tank water bath, improve the efficiency of test piece preparation, also facilitate depositing of last test piece.
Drawings
Figure 1 is the test piece mould fixing device structure sketch map.
Figure 2 is the test piece mould fixing device front view.
Fig. 3 is a schematic view of the upper surface structure of the mold shown in fig. 1 according to the present invention.
Fig. 4 is a schematic structural diagram of the supporting plate of fig. 1 according to the present invention.
In the figure: 1-a mould; 2-a circular hole; 3-a first via; 4-a plate body; 5, holding the plate; 6-a support plate; 7-a second via; 8-a groove; 9-a convex rail; 10-screw.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
As shown in fig. 1 and 2, the utility model relates to a fashioned mould fixing device of wet wheel abrasion experiment slurry mixture, including upper portion felt, mould 1 and the layer board of lower part.
As shown in fig. 3, the mold 1 is a cuboid with an upper surface, generally a square shape, and a circular hole 2 is formed in the middle and is communicated with the upper and lower parts, because the normal wet wheel wear test piece mold is all square in structure, a circle is dug in the middle, and four second through holes 7 are formed in four corners. In this example, the side length of the square was 32cm, the diameter of the circular hole was 28cm, the diameter of the screw hole was 1cm, and the thickness of the plate was 0.64 cm.
The whole lower supporting plate is a rectangular flat plate and comprises a plate body 4, a holding plate 5 and a supporting plate 6, wherein the plate body 4 is as shown in fig. 4, the width of the plate body is the same as that of the mold 1, the length of the plate body is longer than that of the mold 1, a first through hole 3 corresponding to the mold 1 is arranged on the plate body 4, the position of the first through hole 3 corresponds to the position of a screw hole of the mold, and the through holes are screw holes.
The asphalt felt is laid on the upper surface of the plate body 4, the asphalt felt covers the round hole 2, after the die 1 and the plate body 4 are fixed through the first through hole 3 and the second through hole 7, the asphalt felt is clamped between the plate body 4 and the die 1, the lower end of the plate body 4 is provided with a support plate 6, and the support plate 6 is used for supporting the die fixing device.
The both sides of plate body 4 are equipped with extension board 6 in proper order and hold board 5, and extension board 6's upper end and plate body 4's lower extreme structure as an organic whole, and extension board 6 sets up along plate body 4's width direction, and extension board 6's cross section is rectangular form, and extension board 6 arranges the both ends at plate body 4. Hold board 5 and be located the outside of plate body 4, hold board 5 including last holding board and holding the board down, go up and hold the board and extend the setting along the edge level of plate body 4, hold the board down and hold the board parallel with last, hold the board setting down in the outside of extension board 6 lower extreme, the outer fringe of holding board 5 is equipped with the baffle, the lower extreme of extension board 6 is provided with recess 8, the upper surface of plate body 4 is provided with can peg graft complex tongue 9 with recess 8, the upper surface of extension board 6 is equipped with tongue 9 promptly.
The shape of the convex rail 9 is the same as that of the groove 8, and the convex rail and the groove are trapezoidal, and the shape is easy to fit when being stacked. In the present embodiment, the length of the whole pallet is 40cm, i.e. the sum of the dimensions of the plate body 4 and the holding plates 5 at the two ends thereof is 40cm, the thickness of the plate body 4 is 0.5cm, the height of the support plates 6 at the two sides is 3cm, and the width of the groove 8 and the convex rail 9 is 0.5 cm.
The upper die 4 and the lower supporting plate are fixed by four screws 10, the inner diameter of each screw can be 1cm, and the length of each screw is 2.4-2.6 cm. Therefore, the utility model discloses a whole size of mould fixing device is less, light, occupation space is little.
The utility model relates to a fashioned mould fixing device of wet wheel wearing and tearing experiment slurry mixture, the device can be called to the mould tray, and concrete application method is as follows:
firstly, shearing a circular felt, wherein the diameter of the circular felt is 2-4 cm larger than that of a test piece, then flatly placing the circular felt in the center of the upper surface of a supporting plate, pressing a mold 1 above a plate body 4, aligning the mold 1 with four second screw holes 7 of the plate body 4 in the supporting plate, installing screws 10 at four corners, screwing the mold 1 and the felt from the lower side by using a hand or a wrench, and ensuring that the mold 1 is tightly attached to the felt without a gap. Pouring the cold-mixed slurry mixture into a round hole 2 in the middle of a mould 1, lightly tapping the side edge of a tray to uniformly disperse the slurry mixture in the mould 1, then tamping and strickling the slurry mixture by using a scraper, stably lifting the tray until the surface of the slurry mixture is flat, placing the tray into a baking oven to bake and form the slurry mixture according to the standard requirement, placing the tray into a water tank according to the requirement after forming to carry out water bath, finally taking out the tray, dismounting a screw 10, taking up the mould 1, taking down a test piece after the water bath and placing the test piece on a wet wheel abrader to carry out experiments.
Claims (8)
1. A mold fixing device for slurry mixture forming in a wet wheel abrasion experiment is characterized by comprising an asphalt felt, a mold (1), a plate body (4) and a support plate (6);
the plate body (4) is rectangular, first through holes (3) are formed in four corners of the plate body (4), the die (1) is arranged above the plate body (4), the die (1) is rectangular, communicated round holes (2) are formed in the upper portion and the lower portion of the surface of the die (1), the width of the die (1) is the same as that of the plate body (4), the length of the die (1) is smaller than that of the plate body (4), and second through holes (7) corresponding to the first through holes (3) in position are formed in the die (1);
the oil felt is laid on the upper surface of the plate body (4), the oil felt covers the round hole (2), after the die (1) and the plate body (4) are fixed through the first through hole (3) and the second through hole (7), the oil felt is clamped between the plate body (4) and the die (1), the support plate (6) is arranged at the lower end of the plate body (4), and the support plate (6) is used for supporting the die fixing device.
2. The mold fixing device for forming the slurry mixture for the wet wheel abrasion test is characterized in that the support plate (6) is arranged along the width direction of the plate body (4), the cross section of the support plate (6) is rectangular in an elongated shape, the upper end of the support plate (6) and the lower end of the plate body (4) are of an integral structure, and the support plate (6) is arranged at two ends of the plate body (4).
3. The mold fixing device for forming the slurry mixture for the wet wheel abrasion test according to claim 2, further comprising holding plates (5) arranged at two sides of the plate body (4), wherein each holding plate (5) comprises an upper holding plate and a lower holding plate, the upper holding plate extends horizontally along the edge of the plate body (4), the lower holding plate is parallel to the upper holding plate, and the lower holding plate is arranged outside the lower end of the support plate (6).
4. The mold fixing device for forming the slurry mixture for the wet wheel abrasion test according to claim 2, wherein the lower end of the support plate (6) is provided with a groove (8), and the upper surface of the plate body (4) is provided with a convex rail (9) which can be inserted and matched with the groove (8).
5. The mold fixing device for wet wheel abrasion test slurry mixture molding according to claim 4, wherein the shape of the convex rail (9) is the same as that of the groove (8).
6. The mold fixing device for forming the slurry mixture for the wet wheel abrasion test according to claim 5, wherein the shape of the convex rail (9) and the shape of the groove (8) are trapezoidal.
7. The mold fixing device for forming the slurry mixture for the wet wheel abrasion test according to claim 1, wherein the first through hole (3) and the second through hole (7) are both screw holes, and screws (10) are mounted in the screw holes of the mold (1) and the plate body (4).
8. The mold fixing device for forming the slurry mixture in the wet wheel abrasion test is characterized in that the felt is circular, and the diameter of the felt is 2-4 cm larger than that of the circular hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269433.8U CN211292243U (en) | 2019-12-17 | 2019-12-17 | Wet wheel wearing and tearing experiment slurry mixture shaping's mould fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269433.8U CN211292243U (en) | 2019-12-17 | 2019-12-17 | Wet wheel wearing and tearing experiment slurry mixture shaping's mould fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292243U true CN211292243U (en) | 2020-08-18 |
Family
ID=72018833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922269433.8U Expired - Fee Related CN211292243U (en) | 2019-12-17 | 2019-12-17 | Wet wheel wearing and tearing experiment slurry mixture shaping's mould fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211292243U (en) |
-
2019
- 2019-12-17 CN CN201922269433.8U patent/CN211292243U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20201217 |