CN215985475U - Device for fixing test piece of dilute mixture wet wheel abrasion test and preventing water splashing - Google Patents
Device for fixing test piece of dilute mixture wet wheel abrasion test and preventing water splashing Download PDFInfo
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- CN215985475U CN215985475U CN202121818052.1U CN202121818052U CN215985475U CN 215985475 U CN215985475 U CN 215985475U CN 202121818052 U CN202121818052 U CN 202121818052U CN 215985475 U CN215985475 U CN 215985475U
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Abstract
The utility model discloses a fixing and water-splashing-preventing device for a dilute mixture wet wheel abrasion test piece, which comprises a transparent shell, wherein a glass cement waterproof layer is coated on the periphery of the bottom of the transparent shell, a test support is arranged inside the transparent shell, a motor is arranged at the top of the test support, the front end of the motor is connected with a speed reducer, the speed reducer is positioned at the upper end of an abrasion head component, support rods are symmetrically arranged at the front end of the bottom of the test support, and a circular truncated cone is fixed on each support rod. According to the device for fixing the splash-proof test piece of the dilute mixture wet wheel abrasion test, the transparent shell and the acrylic transparent material are designed, and the glass cement at the bottom is matched, so that the waterproof effect is good, the sight is not influenced, and the observation of a tester is facilitated; the design hollow ring is sleeved on the test piece, the fixing action of the pressing block is matched, the test piece is prevented from sliding and slipping in the tray, the test effect is improved, the tray is suitable for different working conditions, and better use prospect is brought.
Description
Technical Field
The utility model relates to the technical field of road construction, in particular to a device for fixing a test piece of a wet wheel abrasion test of a rare mixture to prevent water splashing.
Background
The slurry seal is a thin layer formed by mixing emulsified asphalt, coarse and fine aggregates, water, fillers (cement, lime, fly ash, stone powder and the like) and additives which are properly graded according to a design proportion by adopting mechanical equipment to form a slurry mixture and spreading the slurry mixture on the original pavement; the existing wet wheel abrasion test of the rare earth mixture needs to utilize a wet wheel abrasion tester to test the compatibility and the water damage resistance of the formed slurry seal mixture, and can determine the optimal asphalt dosage of the mixture together with a load wheel test.
In the test, test piece clamps on two sides of a test piece tray of the wet wheel abrasion tester are difficult to keep the wet wheel abrasion circular test piece in a fixed state, so that the test piece frequently slides and runs off in the tray, the abrasion head is blocked from rotating, and the test cannot be carried out; meanwhile, according to the regulations of road engineering asphalt and asphalt mixture test regulation JTG E20-2011 (T0752 plus 2011), after a test piece is placed into a circular tray, water with the temperature of 25 ℃ is added, so that the test piece is completely immersed into the water, the depth from the water surface to the test piece is not less than 6mm, and the test piece is fixed by fixing devices on two sides of the tray; after the test is started, the abrasion head rotates to enable water immersed in the test piece to fly out of the tray and sputter around, so that the test process and the observation of a tester are affected, and therefore, the device for fixing the test piece in the mixture wet wheel abrasion test to prevent water splashing is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a device for fixing a test piece of a wet wheel abrasion test of a mixture to prevent water splashing, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the device for fixing the test piece for the wet wheel abrasion test of the rare mixture and preventing water splashing comprises a transparent shell, wherein a glass cement waterproof layer is coated on the periphery of the bottom of the transparent shell, a test support is arranged inside the transparent shell, a motor is installed at the top of the test support, the front end of the motor is connected with a speed reducer, the speed reducer is located at the upper end of an abrasion head assembly, support rods are symmetrically arranged at the front end of the bottom of the test support, a round table is fixed on the support rods, a tray is arranged on the round table, a round test piece is placed in the tray, a hollow circular ring is sleeved on the outer side of the round test piece, and two groups of adjusting type pressing blocks acting on the hollow circular ring are symmetrically arranged on the outer side of the tray.
Preferably, the transparent housing is an acrylic transparent plate, the length of the bottom is 77.0cm, the width of the bottom is 65.0cm, the height is 68.0cm, and the thickness of the plate is 4.5 mm.
Preferably, the front end face of the transparent shell is provided with a sliding door, the sliding door is provided with a bolt for fixing, and the side of the transparent shell is provided with a bolt sleeve acting on the bolt.
Preferably, the wearing head assembly comprises a wearing head, a rotating rod and a connecting table, and the speed reducer is located on the connecting table.
Preferably, the hollow ring includes two sets of rings, and the ring adopts the preparation of ya keli transparent plate to form, and upper portion ring internal diameter is 26.0cm, and upper portion ring external diameter is 30.5cm, and lower part ring internal diameter is 28.0cm, and lower part ring external diameter is 30.5cm, and two sets of rings are formed with the resin adhesive closely bonding, and two sets of ring thickness are 5mm 0.5 mm.
Preferably, the adjusting type pressing block comprises a fixed threaded sleeve, a bolt and a pressing block, and the pressing block is welded at the lower end of the bolt.
Compared with the prior art, the utility model has the following beneficial effects: the splash-proof device for fixing the test piece of the dilute mixture wet wheel abrasion test is characterized in that a transparent shell is designed, an acrylic transparent plate is adopted, and glass cement at the bottom is matched, so that the waterproof effect is good, the sight is not influenced, and the observation of a tester is facilitated; a hollow ring is designed, is sleeved on a test piece and is matched with the fixing action of a pressing block, so that the test piece is prevented from sliding and escaping in a tray, and the test effect is improved; whole device design is simple, perfects wet wheel wearing and tearing test process, makes things convenient for developing of wet wheel wearing and tearing test to make the experimental completion of high-efficient accuracy more of wet wheel wearing and tearing, improve experimental detection precision and efficiency, the effect of use is better for traditional mode, does not relate to the part in this device all the same with prior art or can adopt prior art to realize.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a device for fixing a test piece for a wet wheel abrasion test of a mixture to prevent water splashing according to the utility model;
FIG. 2 is a view of the internal structure of the device for fixing the test piece of the wet wheel abrasion test of the rare mixture to prevent water splashing.
In the figure: 1. a transparent housing; 2. a glass cement waterproof layer; 3. testing the support; 4. a motor; 5. a speed reducer; 6. a wear head assembly; 7. a support rod; 8. a circular truncated cone; 9. a tray; 10. a circular test piece; 11. a hollow circular ring; 12. adjusting a pressing block; 13. sliding the door; 14. a door bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the device for fixing and preventing splash water for a rare mixture wet wheel abrasion test piece comprises a transparent shell 1, a glass cement waterproof layer 2 is coated on the periphery of the bottom of the transparent shell 1, a test support 3 is arranged inside the transparent shell 1, a motor 4 is installed at the top of the test support 3, a speed reducer 5 is connected to the front end of the motor 4, the speed reducer 5 is located at the upper end of an abrasion head assembly 6, support rods 7 are symmetrically arranged at the front end of the bottom of the test support 3, a circular table 8 is fixed on each support rod 7, a tray 9 is arranged on each circular table 8, a circular test piece 10 is placed in each tray 9, a hollow ring 11 is sleeved outside each circular test piece 10, and two groups of adjusting type pressing blocks 12 acting on the hollow ring 11 are symmetrically arranged outside each tray 9;
the transparent shell 1 is an acrylic transparent plate, the length of the bottom is 77.0cm, the width of the bottom is 65.0cm, the height is 68.0cm, and the thickness of the plate is 4.5 mm; a sliding door 13 is arranged on the front end face of the transparent shell 1, a door bolt 14 for fixing is arranged on the sliding door 13, and a bolt sleeve acting on the door bolt 14 is arranged on the side of the transparent shell 1; the wearing head assembly 6 comprises a wearing head, a rotating rod and a connecting table, and the speed reducer 5 is positioned on the connecting table; the hollow circular ring 11 comprises two groups of circular rings, the circular rings are made of acrylic transparent plates, the inner diameter of the upper circular ring is 26.0cm, the outer diameter of the upper circular ring is 30.5cm, the inner diameter of the lower circular ring is 28.0cm, the outer diameter of the lower circular ring is 30.5cm, the two groups of circular rings are formed by tightly bonding resin adhesives, and the thicknesses of the two groups of circular rings are both 5mm +/-0.5 mm; the adjustable pressing block 12 comprises a fixed threaded sleeve, a bolt and a pressing block, the pressing block is welded at the lower end of the bolt, and the bolt is rotated to drive the pressing block to lift up and down for pressing.
It should be noted that, in the device for fixing the splash-proof test piece for the wet wheel abrasion test of the mixture, when in use, the hollow circular ring 11 is sleeved on the test piece, the adjusting type pressing blocks 12 on the two sides of the device are adjusted downwards and pressed on the hollow circular ring 11, so that the test piece is kept fixed in the test process and does not slide and run off, and then the sliding door 13 of the transparent shell 1 is closed for testing, thus being practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Rarefied water splashing prevention device for fixing test piece of wet wheel abrasion test of mixture, which is characterized in that: comprises a transparent shell (1), a glass cement waterproof layer (2) is coated on the periphery of the bottom of the transparent shell (1), a testing support (3) is arranged in the transparent shell (1), a motor (4) is arranged at the top of the testing support (3), the front end of the motor (4) is connected with a speed reducer (5), the speed reducer (5) is positioned at the upper end of the wearing head component (6), the front end of the bottom of the test support (3) is symmetrically provided with a support rod (7), a round table (8) is fixed on the support rod (7), a tray (9) is arranged on the round table (8), a round test piece (10) is placed in the tray (9), a hollow circular ring (11) is sleeved outside the round test piece (10), two groups of adjusting type pressing blocks (12) acting on the hollow circular ring (11) are symmetrically arranged on the outer side of the tray (9).
2. The rare earth mixture wet wheel abrasion test piece fixing anti-splash device according to claim 1, characterized in that: the transparent shell (1) is an acrylic transparent plate, the length of the bottom of the transparent shell is 77.0cm, the width of the bottom of the transparent shell is 65.0cm, the height of the transparent shell is 68.0cm, and the thickness of the transparent shell is 4.5 mm.
3. The rare earth mixture wet wheel abrasion test piece fixing anti-splash device according to claim 2, characterized in that: the front end face of the transparent shell (1) is provided with a sliding door (13), a door bolt (14) used for fixing is arranged on the sliding door (13), and a bolt sleeve acting on the door bolt (14) is installed on the side of the transparent shell (1).
4. The rare earth mixture wet wheel abrasion test piece fixing anti-splash device according to claim 3, characterized in that: the wear head assembly (6) comprises a wear head, a rotating rod and a connecting table, and the speed reducer (5) is located on the connecting table.
5. The rare earth mixture wet wheel abrasion test piece fixing anti-splash device according to claim 4, characterized in that: hollow ring (11) are including two sets of rings, and the ring adopts the preparation of ya keli transparent plate to form, and upper portion ring internal diameter is 26.0cm, and upper portion ring external diameter is 30.5cm, and lower part ring internal diameter is 28.0cm, and lower part ring external diameter is 30.5cm, and two sets of rings form with the resin adhesive closely bonding, and two sets of ring thickness are 5mm 0.5 mm.
6. The rare earth mixture wet wheel abrasion test piece fixing anti-splash device according to claim 5, characterized in that: the adjusting type pressing block (12) comprises a fixed thread sleeve, a bolt and a pressing block, and the pressing block is welded at the lower end of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818052.1U CN215985475U (en) | 2021-08-05 | 2021-08-05 | Device for fixing test piece of dilute mixture wet wheel abrasion test and preventing water splashing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818052.1U CN215985475U (en) | 2021-08-05 | 2021-08-05 | Device for fixing test piece of dilute mixture wet wheel abrasion test and preventing water splashing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215985475U true CN215985475U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818052.1U Active CN215985475U (en) | 2021-08-05 | 2021-08-05 | Device for fixing test piece of dilute mixture wet wheel abrasion test and preventing water splashing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215985475U (en) |
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2021
- 2021-08-05 CN CN202121818052.1U patent/CN215985475U/en active Active
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