CN213632933U - Coarse aggregate abrasion test device - Google Patents
Coarse aggregate abrasion test device Download PDFInfo
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- CN213632933U CN213632933U CN202022225941.9U CN202022225941U CN213632933U CN 213632933 U CN213632933 U CN 213632933U CN 202022225941 U CN202022225941 U CN 202022225941U CN 213632933 U CN213632933 U CN 213632933U
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Abstract
The utility model provides a coarse aggregate abrasion test device, belonging to the technical field of coarse aggregate detection, comprising a base, a motor fixing frame arranged on the base, a motor, a sealing cover, a receiving cylinder, an abrasion cylinder and a lifting mechanism; the motor is fixedly arranged on the motor fixing frame; the sealing cover comprises a cover body and a cover body connecting plate, the center of the cover body is connected with an output shaft of the motor, and a first connecting hole is formed in the cover body connecting plate; the receiving cylinder comprises a cylinder body and a cylinder body connecting plate, and a second connecting hole is formed in the cylinder body connecting plate; the abrasion cylinder comprises a circular truncated cone and a circular truncated cone connecting plate, sieve pores are arranged on a bottom plate of the circular truncated cone, and a third connecting hole is formed in the circular truncated cone connecting plate; the wearing cylinder is placed in the receiving cylinder; the lifting mechanism is used for lifting the receiving cylinder and the abrasion cylinder to the lower part of the sealing cover; the connecting bolt penetrates through the first connecting hole, the second connecting hole and the third connecting hole. Above-mentioned coarse aggregate wearing and tearing test device loads and unloads through elevating system, has effectively reduced operating personnel's working strength.
Description
Technical Field
The utility model belongs to the technical field of the coarse aggregate detects, specifically disclose a coarse aggregate wearing and tearing test device.
Background
The abrasion loss of the coarse aggregate is an important index of the service performance of the aggregate, particularly the asphalt mixture and the base aggregate, and is closely related to the rutting resistance, the wear resistance and the durability of the asphalt pavement. In the current standard JTG E42-2005 Highway engineering aggregate test regulation, the los Angeles method is mostly adopted for the abrasion value of coarse aggregates, the friction and impact resistance of the coarse aggregates under standard conditions is measured, and the abrasion loss (%) is used for abrasion tests of aggregates with various grades. The method comprises the steps of adopting coarse aggregates with specified thickness and quantity in a los Angeles abrasion test, simultaneously adding steel balls with specified quantity and quality into a los Angeles abrasion machine, rotating for a certain number of times, enabling a sample to be abraded under the combined action of friction, impact, shearing and the like of the sample and the steel balls, taking out the sample, screening, cleaning, and finally placing the sample into an oven to be dried and weighed.
The cylinder of los angeles wearing and tearing machine is the steel cylinder, and the loading and unloading of dog-house steel lid all need the manual work to go on, and experimental intensity is high, and at the screening in-process, the dust is very big moreover, influences operating personnel's health, still need wash with the clear water after the sample screening is accomplished, and whole process is very complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coarse aggregate wearing and tearing test device to improve above-mentioned technical problem.
In order to achieve the purpose, the utility model provides a coarse aggregate abrasion test device, which comprises a base, a motor fixing frame arranged on the base, a motor, a sealing cover, a receiving cylinder, an abrasion cylinder and a lifting mechanism; the motor is fixedly arranged on the motor fixing frame; the sealing cover comprises a cylindrical cover body and a cover body connecting plate vertically arranged at the edge of the cover body, the center of the cover body is connected with an output shaft of the motor, and a plurality of first connecting holes are formed in the cover body connecting plate; the receiving cylinder comprises a cylindrical cylinder body and a cylinder body connecting plate vertically arranged at the edge of the cylinder body, and a plurality of second connecting holes are formed in the cylinder body connecting plate; the abrasion cylinder comprises a circular table cylinder and a circular table cylinder connecting plate vertically arranged at the edge of the circular table cylinder, the diameter of the circular table cylinder is gradually increased from bottom to top, sieve holes are formed in a bottom plate of the circular table cylinder, and a plurality of third connecting holes are formed in the circular table cylinder connecting plate; the abrasion cylinder is placed in the receiving cylinder, the connecting plate of the circular truncated cone cylinder is pressed against the connecting plate of the cylinder body, and the third connecting hole is aligned with the second connecting hole; the lifting mechanism is used for lifting the receiving cylinder and the abrasion cylinder to the lower part of the sealing cover so as to press the cover body connecting plate against the circular table cylinder connecting plate; the connecting bolt penetrates through the first connecting hole, the second connecting hole and the third connecting hole.
Furthermore, a supporting plate is arranged at the telescopic end of the lifting mechanism.
Furthermore, the lifting mechanism adopts a gear rack to lift, and the gear is connected with a crank.
Further, the center of lid is provided with bellied connecting cylinder, and the lateral wall of connecting cylinder is provided with the inlet tube, is provided with the valve on the inlet tube, the roof of connecting cylinder and the output shaft of motor.
Furthermore, the motor fixing frame comprises a door-shaped frame and motor fixing plates, and the motor fixing plates are arranged on two groups of vertical beams of the door-shaped frame.
The utility model has the advantages of it is following:
lowering the lifting mechanism to the lowest position, placing the receiving cylinder and the wearing cylinder on the receiving cylinder, washing aggregates of different specifications with water, placing the aggregates in an oven for drying until the weights are constant, weighing in a grading manner to be accurate to 5g, placing the weighed aggregates in the wearing cylinder, selecting steel balls to enable the number and the total mass of the steel balls to meet the specified requirements, placing the steel balls in the wearing cylinder, starting the lifting mechanism, closing the lifting mechanism when a connecting plate of the circular table cylinder of the wearing cylinder is in quick contact with a connecting plate of a cover body of the sealing cover, rotating the receiving cylinder and the wearing cylinder to enable a third connecting hole and a second connecting hole to be aligned with a first connecting hole of the sealing cover, and screwing a connecting bolt to penetrate through the first connecting hole, the second connecting hole and the third connecting hole. Retracting the telescopic end of the lifting mechanism to enable the telescopic end to be away from the bottom of the receiving cylinder, starting a motor, rotating at the rotating speed of 30 r/min-33 r/min until the required rotating times, rotating the three cylinders under the driving of the motor, rubbing and impacting the steel balls and the aggregates while rotating, enabling the generated fine scraps to fall into the receiving cylinder through a sieve hole at the bottom of the abrasion cylinder, connecting a water pipe into a water inlet pipe during the rotating process, scattering the inlet water into a water mist shape by the rotation of the cylinders, flushing the fine scraps which are impacted and ground into the receiving cylinder, lifting the telescopic end of the lifting mechanism to the bottom of the receiving cylinder after the specified rotating times are reached, loosening a connecting bolt, retracting the telescopic end of the lifting mechanism, taking out the abrasion cylinder, placing the aggregates in the abrasion cylinder into an oven to be dried to constant weight, and accurately weighing. The coarse aggregate abrasion test device provided by the utility model has the advantages of simple manufacture, less material consumption, easy and labor-saving loading and unloading through the lifting mechanism, and effectively reduced working strength of operators; the abrasion cylinder is designed into a circular table shape with a small lower part and a large upper part, so that the steel balls can be prevented from being gathered during rotation; water enters the sealing cover through the water inlet pipe, the dust falling purpose can be achieved, meanwhile, the ground fine scraps can be flushed into the receiving cylinder, the abrasion, screening and washing operations can be completed at one time, and the dust falling device has extremely wide popularization value.
Drawings
FIG. 1 is a schematic structural view of a coarse aggregate abrasion test apparatus;
FIG. 2 is a schematic view of the sealing cap;
FIG. 3 is a schematic structural view of a receiving cylinder;
figure 4 is a schematic diagram of the wear sleeve construction.
In the figure: 1-a base; 2, a motor; 3-sealing the cover; 3.1-connecting cylinder; 3.2-water inlet pipe; 3.3-valve; 4-a receiving cylinder; 5-wearing the cylinder; 5.1-mesh; 6-a lifting mechanism; 6.1-pallet; 6.2-crank; 7-connecting bolts; 8.1-gantry; 8.2-motor fixing plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment provides a coarse aggregate abrasion test device, which comprises a base 1, a motor fixing frame arranged on the base 1, a motor 2, a sealing cover 3, a receiving cylinder 4, an abrasion cylinder 5 and a lifting mechanism 6, wherein the motor fixing frame is arranged on the base 1; the motor 2 is fixedly arranged on the motor fixing frame; the sealing cover 3 comprises a cylindrical cover body and a cover body connecting plate vertically arranged at the edge of the cover body, the center of the cover body is connected with an output shaft of the motor 2, and a plurality of first connecting holes are formed in the cover body connecting plate; the receiving cylinder 4 comprises a cylindrical cylinder body and a cylinder body connecting plate vertically arranged at the edge of the cylinder body, and a plurality of second connecting holes are formed in the cylinder body connecting plate; the abrasion cylinder 5 comprises a circular truncated cone and a circular truncated cone connecting plate vertically arranged at the edge of the circular truncated cone, the diameter of the circular truncated cone is gradually increased from bottom to top, a sieve pore 5.1 is arranged on a bottom plate of the circular truncated cone, and a plurality of third connecting holes are arranged on the circular truncated cone connecting plate; the abrasion cylinder 5 is placed in the receiving cylinder 4, the connecting plate of the circular truncated cone cylinder is pressed against the connecting plate of the cylinder body, and the third connecting hole is aligned with the second connecting hole; the lifting mechanism 6 is used for lifting the receiving cylinder 4 and the abrasion cylinder 5 to the lower part of the sealing cover 3, so that the cover body connecting plate is pressed on the circular table cylinder connecting plate; the connecting bolt 7 passes through the first connecting hole, the second connecting hole and the third connecting hole.
Further, a supporting plate 6.1 is arranged on the telescopic end of the lifting mechanism 6 so as to place the receiving cylinder 4 and the abrasion cylinder 5.
Furthermore, the lifting mechanism 6 adopts a gear rack to lift, and a crank 6.2 is connected with the gear.
Further, the center of lid is provided with bellied connecting cylinder 3.1, and the lateral wall of connecting cylinder 3.1 is provided with inlet tube 3.2, is provided with valve 3.3 on the inlet tube 3.2, and the roof of connecting cylinder 3.1 and the output shaft of motor 2.
Further, the motor fixing frame comprises a door-shaped frame 8.1 and a motor fixing plate 8.2, and the motor fixing plate 8.2 is arranged on two groups of vertical beams of the door-shaped frame 8.1.
The use process of the coarse aggregate abrasion test device is as follows:
lowering the lifting mechanism 6 to the lowest position, placing the receiving cylinder 4 and the wearing cylinder 5 on the supporting plate 6.1, washing aggregates of different specifications with water, placing the aggregates in an oven to be dried to constant weight, weighing accurately to 5g in stages, placing the weighed aggregates in the wearing cylinder 5, selecting steel balls to enable the number and the total mass of the steel balls to meet the specified requirements, placing the steel balls in the wearing cylinder 5, starting the lifting mechanism 6, closing the lifting mechanism 6 when a circular platform cylinder connecting plate of the wearing cylinder 5 is in quick contact with a cover body connecting plate of the sealing cover 3, rotating the receiving cylinder 4 and the wearing cylinder 5 to enable a third connecting hole and a second connecting hole to be aligned with a first connecting hole of the sealing cover 3, and screwing a connecting bolt 7 through the first connecting hole, the second connecting hole and the third connecting hole. Retracting the telescopic end of the lifting mechanism 6 to enable the telescopic end to be away from the bottom of the receiving cylinder 4, starting the motor 2, rotating at the rotating speed of 30 r/min-33 r/min until the required rotation times, rotating the three cylinders under the driving of the motor 2, rubbing and impacting the steel balls and the aggregates while rotating, enabling the generated fine scraps to fall into the receiving cylinder 4 through a sieve hole 5.1 at the bottom of the abrasion cylinder 5, connecting a water pipe into the water inlet pipe 3.2 during the rotation process, scattering the inlet water into a water mist shape by the rotation of the cylinders, flushing the impact ground fine scraps into the receiving cylinder 4, lifting the telescopic end of the lifting mechanism 6 to the bottom of the receiving cylinder 4 after the specified rotation times are reached, loosening the connecting bolt 7, retracting the telescopic end of the lifting mechanism 6, taking out the abrasion cylinder 5, placing the abrasion cylinder 5 in an oven, drying to constant weight, and accurately weighing. The motor control portion of the device is the same as the existing los angeles abrader.
Example 2
In this example, the coarse aggregate abrasion test apparatus was mainly made of stainless steel material, and the specific dimensions were as follows.
Base 1: a cube with the bottom plate side length of 1.2m and the thickness of 2 cm.
Motor mount: the length of a vertical beam of the portal frame 8.1 is 10cm, the width is 3cm, the height is 1.5m, and the length of a cross beam is 1.14m, the width is 10cm, and the height is 3 cm; the motor fixing plate 8.2 has the length of 50cm, the width of 2cm and the height of 10 cm.
And a motor 2: the diameter of the shell is 20cm, the height of the shell is 10cm, and the diameter of the rotating shaft is 14cm, and the height of the rotating shaft is 10 cm.
And (3) sealing cover: the diameter of the cover body is 50cm, the height of the cover body is 10cm, the width of the cover body connecting plate is 5cm, the thickness of the cover body connecting plate is 1cm, the diameter of the first connecting hole is 2cm, the diameter of the connecting cylinder is 3.1 cm, the height of the connecting cylinder is 10cm, the diameter of the water inlet pipe is 3.2 cm, the length of the water inlet pipe is 5cm, the length of the water inlet pipe is 3.2 cm, the handle of the valve is 5cm, the width of the water inlet pipe is 2cm, the.
The receiving cylinder 4: the outer diameter of the cylinder body is 51cm, the inner diameter of the cylinder body is 50cm, the depth of the cylinder body is 40cm, the width of the cylinder body connecting plate is 5cm, the thickness of the cylinder body connecting plate is 1cm, and the diameter of the second connecting hole is 2 cm.
The abrasion cylinder 5: the diameter of the upper opening of the circular truncated cone is 50cm, the diameter of the lower opening of the circular truncated cone is 35cm, the depth of the circular truncated cone is 30cm, the width of a connecting plate of the circular truncated cone is 5cm, the thickness of the connecting plate of the circular truncated cone is 1cm, the diameter of a third connecting hole of the circular truncated cone is 2cm, and the diameter of a sieve pore of 5.1 of the.
The lifting mechanism 6: the diameter of the lower half part is 20cm, the height of the lower half part is 25cm, the diameter of the telescopic part is 10cm, the height of the telescopic part is 25cm, the diameter of the supporting plate is 6.1 cm, the thickness of the supporting plate is 1cm, the diameter of the Z-shaped crank is 4cm, and the length of the handle is 8 cm.
The connecting bolt 7: the diameter of the nut is 3cm, the height of the nut is 1cm, the diameter of the screw is 2cm, the height of the screw is 8cm, and the diameter of the nut is 3cm, and the height of the nut is 1 cm.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A coarse aggregate abrasion test device is characterized by comprising a base, a motor fixing frame arranged on the base, a motor, a sealing cover, a receiving cylinder, an abrasion cylinder and a lifting mechanism;
the motor is fixedly arranged on the motor fixing frame;
the sealing cover comprises a cylindrical cover body and a cover body connecting plate vertically arranged at the edge of the cover body, the center of the cover body is connected with an output shaft of the motor, and a plurality of first connecting holes are formed in the cover body connecting plate;
the receiving cylinder comprises a cylindrical cylinder body and a cylinder body connecting plate vertically arranged at the edge of the cylinder body, and a plurality of second connecting holes are formed in the cylinder body connecting plate;
the abrasion cylinder comprises a circular table cylinder and a circular table cylinder connecting plate vertically arranged at the edge of the circular table cylinder, the diameter of the circular table cylinder is gradually increased from bottom to top, sieve holes are formed in a bottom plate of the circular table cylinder, and a plurality of third connecting holes are formed in the circular table cylinder connecting plate;
the abrasion cylinder is placed in the receiving cylinder, the connecting plate of the circular truncated cone cylinder is pressed against the connecting plate of the cylinder body, and the third connecting hole is aligned with the second connecting hole;
the lifting mechanism is used for lifting the receiving cylinder and the abrasion cylinder to the lower part of the sealing cover so as to press the cover body connecting plate against the circular table cylinder connecting plate;
the connecting bolt penetrates through the first connecting hole, the second connecting hole and the third connecting hole.
2. The coarse aggregate wear test apparatus of claim 1, wherein a support plate is provided on the telescoping end of the lifting mechanism.
3. The coarse aggregate abrasion test device according to claim 2, wherein the lifting mechanism adopts a rack and pinion lifting, and a crank is connected with the gear.
4. The coarse aggregate abrasion test device according to claim 1, wherein the center of the cover body is provided with a convex connecting cylinder, the side wall of the connecting cylinder is provided with a water inlet pipe, a valve is arranged on the water inlet pipe, and the top plate of the connecting cylinder is connected with an output shaft of the motor.
5. The coarse aggregate abrasion test device according to claim 1, wherein the motor fixing frame comprises a portal frame and a motor fixing plate, and the motor fixing plate is arranged on two groups of vertical beams of the portal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022225941.9U CN213632933U (en) | 2020-10-09 | 2020-10-09 | Coarse aggregate abrasion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022225941.9U CN213632933U (en) | 2020-10-09 | 2020-10-09 | Coarse aggregate abrasion test device |
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| Publication Number | Publication Date |
|---|---|
| CN213632933U true CN213632933U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022225941.9U Active CN213632933U (en) | 2020-10-09 | 2020-10-09 | Coarse aggregate abrasion test device |
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| CN (1) | CN213632933U (en) |
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- 2020-10-09 CN CN202022225941.9U patent/CN213632933U/en active Active
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