CN212031088U - Asphalt mixture test piece shedder - Google Patents
Asphalt mixture test piece shedder Download PDFInfo
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- CN212031088U CN212031088U CN202020638217.6U CN202020638217U CN212031088U CN 212031088 U CN212031088 U CN 212031088U CN 202020638217 U CN202020638217 U CN 202020638217U CN 212031088 U CN212031088 U CN 212031088U
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- supporting sleeve
- test piece
- cylinder
- asphalt mixture
- backing plate
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Abstract
A demoulding device for an asphalt mixture test piece comprises a supporting sleeve and a die pressing sleeve, wherein a test die placing groove is formed in the top of the supporting sleeve, and the inner diameter of the test die placing groove is larger than that of the supporting sleeve; the pressing cylinder comprises a cylinder body, and an upper backing plate is arranged at the top of the cylinder body. Be used for placing the examination mould section of thick bamboo in the examination mould standing groove, supporting sleeve's internal diameter equals examination mould section of thick bamboo internal diameter, and the internal diameter of examination mould standing groove subtracts supporting sleeve's internal diameter and equals the wall thickness of examination mould section of thick bamboo twice. The utility model discloses can be more portably swiftly must carry out the drawing of patterns of bituminous mixture test piece, guarantee drawing of patterns quality for drawing of patterns speed.
Description
Technical Field
The utility model belongs to the technical field of the bituminous mixture test piece drawing of patterns, in particular to bituminous mixture test piece shedder.
Background
5.2 regulations in the JTG E20-2011 test procedure for road engineering asphalt and asphalt mixtures T0702-2011 test piece manufacturing method for asphalt mixtures (compaction method): and (3) removing the sleeve and the base, transversely placing the test mold with the test piece, cooling to room temperature (not less than 12 h), and placing the test mold on a stripper to remove the test piece. The existing demoulding process has the following defects: the asphalt mixture with high asphalt content is not easy to fall off and easy to be adhered.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides an asphalt mixture test piece shedder can more portably swiftly must carry out the drawing of patterns of asphalt mixture test piece, guarantees drawing of patterns quality for drawing of patterns speed.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
a demoulding device for an asphalt mixture test piece comprises a supporting sleeve and a die pressing sleeve, wherein a test die placing groove is formed in the top of the supporting sleeve, and the inner diameter of the test die placing groove is larger than that of the supporting sleeve; the pressing cylinder comprises a cylinder body, and an upper backing plate is arranged at the top of the cylinder body.
In an optimized scheme, the test mold placing groove is used for placing a test mold cylinder, the inner diameter of the supporting sleeve is equal to the inner diameter of the test mold cylinder, and the thickness of the wall of the test mold cylinder is twice as large as the thickness of the inner diameter of the support sleeve subtracted from the inner diameter of the test mold placing groove.
In the preferred scheme, the bottom of the column body is provided with a lower base plate, the diameter of the lower base plate is equal to the inner diameter of the test mold cylinder, the diameter of the lower base plate is larger than that of the column body, and the diameter of the upper base plate is larger than that of the lower base plate.
In a preferred scheme, the sum of the heights of the cylinder and the lower backing plate is greater than the height of the test die cylinder.
In a preferred scheme, the height of the supporting sleeve is greater than that of the test die cylinder.
In a preferable scheme, the bottom of the supporting sleeve is detachably provided with a base.
In a preferred scheme, the base comprises a base plate, a protective ring is arranged in the middle of the base plate, the inner diameter of the protective ring is equal to the outer diameter of the supporting sleeve, and the supporting sleeve is placed in the protective ring.
In a preferable scheme, a handle is arranged on the chassis.
This patent can reach following beneficial effect:
the utility model discloses can make things convenient for the accurate drawing of patterns that carries out the bituminous mixture test piece, place the examination mould section of thick bamboo that will need the drawing of patterns on support sleeve, place a moulding section of thick bamboo on examination mould section of thick bamboo again, carry out manual drawing of patterns with the help of universal material testing machine, can more portably swiftly must carry out the drawing of patterns of bituminous mixture test piece, guarantee drawing of patterns quality for drawing of patterns speed.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is an axial development view of the present invention;
FIG. 2 is a three-dimensional structure diagram of the die cylinder of the present invention;
FIG. 3 is a three-dimensional structure diagram of the supporting sleeve of the present invention;
FIG. 4 is a three-dimensional structure diagram of the test cylinder of the present invention;
fig. 5 is a combined effect diagram of the supporting sleeve, the die pressing cylinder and the test cylinder of the present invention in embodiment 1;
fig. 6 is a three-dimensional structure diagram of the base according to the present invention in embodiment 2;
fig. 7 is a combined effect diagram of the supporting sleeve, the die pressing cylinder, the base and the test cylinder of the present invention in embodiment 2.
In the figure: the die-casting device comprises a supporting sleeve 1, a die placing groove 101, a die cylinder 2, a column 201, an upper backing plate 202, a lower backing plate 203, a die cylinder 3, a base 4, a bottom plate 401, a retaining ring 402 and a handle 403.
Detailed Description
Example 1:
a preferable scheme is as shown in fig. 1 to 5, the asphalt mixture test piece demoulding device comprises a support sleeve 1 and a die cylinder 2, wherein a test mould placing groove 101 is formed in the top of the support sleeve 1, and the inner diameter of the test mould placing groove 101 is larger than that of the support sleeve 1; the die cylinder 2 comprises a cylinder 201, and an upper backing plate 202 is arranged on the top of the cylinder 201.
The test mold placing groove 101 is used for placing the test mold cylinder 3, the inner diameter of the supporting sleeve 1 is equal to the inner diameter of the test mold cylinder 3, and the inner diameter of the test mold placing groove 101 minus the inner diameter of the supporting sleeve 1 is equal to the wall thickness of the test mold cylinder 3 which is twice. The test cylinder 3 is filled with asphalt concrete to be demoulded.
The bottom of the column 201 is provided with a lower backing plate 203, the diameter of the lower backing plate 203 is equal to the inner diameter of the test cylinder 3, the diameter of the lower backing plate 203 is larger than that of the column 201, and the diameter of the upper backing plate 202 is larger than that of the lower backing plate 203.
The sizes of the supporting sleeve and the die cylinder are set according to the size of the existing die cylinder, and the specific parameters are as follows:
the height of the supporting sleeve 1 is 190mm, and the thickness is 5 mm;
the thickness of the test mould placing groove 101 is 5mm, the outer diameter is 125mm, and the height is 20 mm;
the inner diameter of the existing mold testing cylinder 3 is 101.6mm, the wall thickness is 3mm, the height is not limited, and the molding can be carried out according to the height required by the asphalt mixture mold testing;
the upper backing plate 202 has a diameter of 170mm and a height (also referred to as thickness) of 5 mm; the lower backing plate 203 has a diameter of 100mm and a height (which may also be referred to as thickness) of 5 mm; the cylinder 201 has a diameter of 90mm and a height of 190 mm.
Further, the sum of the heights of the cylinder 201 and the lower backing plate 203 is greater than the height of the die cylinder 3. The asphalt test block is conveniently and completely removed, and the sum of the heights of the preferable column 201 and the lower backing plate 203 is 10-20mm larger than the height of the test cylinder 3.
Further, the height of the support sleeve 1 is greater than the height of the die cylinder 3. The removed asphalt test block can be completely arranged in the supporting sleeve 1, and the height of the supporting sleeve 1 is preferably 10-20mm larger than that of the test mold cylinder 3.
Example 2:
on the basis of the embodiment 1, the following technical scheme is introduced:
preferred solution as shown in fig. 6 and 7, the bottom of the support sleeve 1 is detachably provided with a base 4. The purpose of the seat 4 is to increase the stability of the support sleeve 1 and to avoid the problem of toppling over during the demoulding process.
Further, the base 4 comprises a bottom plate 401, a guard ring 402 is arranged in the middle of the bottom plate 401, the inner diameter of the guard ring 402 is equal to the outer diameter of the support sleeve 1, and the support sleeve 1 is used for being placed in the guard ring 402.
Further, a handle 403 is provided on the chassis 401. The chassis 401 is made thinner for material cost savings, and therefore is structured to add a handle 403 for ease of carrying the base 4.
The working principle of the whole device is as follows:
the method comprises the following steps that a support sleeve 1 is placed on a base 4, a test die cylinder 3 needing demolding is placed on the support sleeve 1, a die cylinder 2 is placed on the test die cylinder 3, the diameter of a lower backing plate 203 of the die cylinder 2 is equal to the inner diameter of the test die cylinder 3, the lower backing plate 203 is aligned to asphalt concrete needing demolding, and a universal material testing machine is used for applying pressure to an upper backing plate 202 of the die cylinder 2; the diameter of the cylinder 201 is smaller than that of the lower backing plate 203, so that the friction force between the die pressing cylinder 2 and the die testing cylinder 3 can be reduced, the whole demolding process is fast, and demolding is thorough.
Claims (8)
1. The utility model provides an asphalt mixture test piece shedder which characterized in that: the die-casting device comprises a supporting sleeve (1) and a die cylinder (2), wherein a test die placing groove (101) is formed in the top of the supporting sleeve (1), and the inner diameter of the test die placing groove (101) is larger than that of the supporting sleeve (1); the die cylinder (2) comprises a cylinder body (201), and an upper backing plate (202) is arranged at the top of the cylinder body (201).
2. The asphalt mixture test piece demolding device according to claim 1, characterized in that: be used for placing examination mould section of thick bamboo (3) in examination mould standing groove (101), the internal diameter of support sleeve (1) equals examination mould section of thick bamboo (3) internal diameter, and the internal diameter of examination mould standing groove (101) subtracts the internal diameter of support sleeve (1) and equals the wall thickness of examination mould section of thick bamboo (3) twice.
3. The asphalt mixture test piece demolding device according to claim 2, characterized in that: the bottom of the column body (201) is provided with a lower backing plate (203), the diameter of the lower backing plate (203) is equal to the inner diameter of the test mold cylinder (3), the diameter of the lower backing plate (203) is larger than that of the column body (201), and the diameter of the upper backing plate (202) is larger than that of the lower backing plate (203).
4. The asphalt mixture test piece demolding device according to claim 3, wherein: the sum of the heights of the column (201) and the lower backing plate (203) is greater than the height of the test mold cylinder (3).
5. The asphalt mixture test piece demolding device according to claim 4, wherein: the height of the supporting sleeve (1) is greater than that of the test mold cylinder (3).
6. The asphalt mixture test piece demolding device according to claim 5, wherein: the bottom of the supporting sleeve (1) is detachably provided with a base (4).
7. The asphalt mixture test piece demolding device according to claim 6, wherein: the base (4) comprises a base plate (401), a protective ring (402) is arranged in the middle of the base plate (401), the inner diameter of the protective ring (402) is equal to the outer diameter of the supporting sleeve (1), and the supporting sleeve (1) is placed in the protective ring (402).
8. The asphalt mixture test piece demolding device according to claim 7, wherein: the chassis (401) is provided with a handle (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638217.6U CN212031088U (en) | 2020-04-24 | 2020-04-24 | Asphalt mixture test piece shedder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638217.6U CN212031088U (en) | 2020-04-24 | 2020-04-24 | Asphalt mixture test piece shedder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212031088U true CN212031088U (en) | 2020-11-27 |
Family
ID=73495691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020638217.6U Active CN212031088U (en) | 2020-04-24 | 2020-04-24 | Asphalt mixture test piece shedder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212031088U (en) |
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2020
- 2020-04-24 CN CN202020638217.6U patent/CN212031088U/en active Active
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