CN217586778U

CN217586778U - Los angeles abrasion testing machine

Info

Publication number: CN217586778U
Application number: CN202221647504.9U
Authority: CN
Inventors: 虞将苗; 谢志伟
Original assignee: Huayun Tongda Zhejiang Transportation Technology Co ltd
Current assignee: Huayun Tongda Zhejiang Transportation Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-14
Anticipated expiration: 2032-06-29

Abstract

The utility model aims to provide a los angeles abrasion tester, which comprises a steel cylinder, a steel frame, a rotating shaft, a motor, a feeding port, a discharging port, a receiving disc and a cylinder cover; the rotating shaft penetrates through the steel frame and is rotationally connected with the steel frame; one end of the rotating shaft is fixedly connected with the output end of the motor; the steel cylinder is sleeved on the outer wall of the rotating shaft and is fixedly connected with the rotating shaft; the feed inlet is arranged on the side surface of the steel cylinder; the discharge port is arranged on the bottom surface of the steel cylinder; an included angle a formed between the opening direction of the feeding hole and the opening direction of the discharging hole is smaller than 90 degrees; the steel cylinder of los angeles wearing and tearing test is equipped with the spout in the discharge gate, the cover slip set up in the spout, realized using manpower sparingly, reduced danger coefficient's purpose.

Description

Los angeles wearing and tearing testing machine

Technical Field

The utility model relates to a traffic transportation engineering and material inspection test technical field, especially a los angeles abrasion testing machine.

Background

The los angeles abrasion test adopts coarse aggregates with specified thickness and quantity, steel balls with specified quantity and quality are added into an abrasion machine at the same time, after the abrasion machine rotates for a certain number of times, the sample is abraded under the combined action of friction, impact, shearing and the like of the sample and the steel balls, and the mass loss of the sample is measured to be used as the abrasion rate.

At present, after the kentuckahu scattering test of the asphalt mixture is finished, an arm needs to be stretched into the steel cylinder to take out a test piece in the existing los angeles abrasion testing machine. Meanwhile, the radius of the steel cylinder is large, and once the tester stretches the arm into the steel cylinder, the steel cylinder rotates, so that the safety of the tester is threatened. The cylinder cover of the existing los angeles abrasion testing machine is arranged above a steel cylinder, the diameter of the cylinder is large, the cylinder cover needs to be taken down and placed on one side in the process of discharging and discharging, the weight of the cylinder cover is heavy, and the process of taking down and placing consumes physical strength. Therefore, the los angeles abrasion tester has the problems of large danger coefficient and labor waste.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims to provide a los Angeles abrasion testing machine realizes using manpower sparingly, the purpose that the danger coefficient reduces.

To achieve the purpose, the utility model adopts the following technical proposal: a los Angeles abrasion tester comprises a steel cylinder, a steel frame, a rotating shaft, a motor, a feeding hole, a discharging hole, a receiving disc and a cylinder cover; the rotating shaft penetrates through the steel frame and is rotatably connected with the steel frame;

one end of the rotating shaft is fixedly connected with the output end of the motor;

the steel cylinder is sleeved on the outer wall of the rotating shaft and is fixedly connected with the rotating shaft;

the feed inlet is arranged on the side surface of the steel cylinder;

the discharge port is arranged on the bottom surface of the steel cylinder;

an included angle a formed between the opening direction of the feed inlet and the opening direction of the discharge outlet is smaller than 90 degrees;

the steel cylinder is provided with a chute at the discharge port, and the cylinder cover is arranged in the chute in a sliding manner.

Preferably, the cover body and the protruding part are integrally formed, the cover body is arranged in the discharge port in a sliding mode, and the protruding part is arranged in the sliding groove in a sliding mode.

Preferably, the bottom surface of the cylinder cover is provided with a handle.

Preferably, the feed inlet is provided with a hole cover, and a pressing device is arranged in the hole cover; the pressing device comprises a spring ring and two clamping mechanisms; the spring ring is arranged between the two clamping mechanisms and is respectively connected with the two clamping mechanisms, and the two clamping mechanisms are both connected with the inner wall of the hole cover.

Preferably, the clamping mechanism comprises an external pressing part, an internal telescopic part and a connecting part; the outer pressing part is connected with the inner telescopic part through the connecting part; the spring ring is connected with the connecting part.

Preferably, the steel cylinder is arranged in the sound-proof housing.

Preferably, the acoustic enclosure comprises an acoustic enclosure body and an acoustic enclosure door; the sound-proof cover door is hinged with the sound-proof cover main body through a hinge; the sound-proof housing is opened there is a axis of rotation trompil, the axis of rotation passes the axis of rotation trompil, the steel cylinder set up in the cavity that sound-proof housing main part and sound-proof housing door enclose.

Preferably, the los Angeles abrasion tester further comprises a feeder; the feeder comprises a hopper and a feed conduit; the outlet of the hopper is connected with the feeding pipeline; the feeding pipeline is arranged in the feeding port; the included angle b between the feeding pipeline and the horizontal plane is less than 90 degrees.

Preferably, the los Angeles abrasion tester further comprises a console; the console is electrically connected with the motor.

Preferably, the sound-proof housing is a sound-proof plate; the sound-proof housing includes two gypsum boards and polymer damping material, and polymer damping material sets up in the middle of two gypsum boards.

One of the above technical solutions has the following beneficial effects:

1. the opening direction of feed inlet with contained angle a that forms between the opening direction of discharge gate is less than 90, and the position design of feed inlet has reduceed the height that gathers materials to pick up for the amount of labour alleviates, and then reduces the consumption of physical power.

2. The discharge hole is arranged on the bottom surface of the steel cylinder, so that the condition that the arm stretches into the steel cylinder can be avoided, and the probability that the tester is injured is reduced.

3. The process of unscrewing the bolt can be subtracted by setting the barrel cover to a sliding structure, steps in the test process are reduced, the test duration is shorter, the efficiency is improved, the physical strength of testers can be saved, the operation of taking the barrel cover can be subtracted by placing the barrel cover on the bottom surface of the steel barrel, the physical strength is effectively saved, and the material taking is convenient.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Fig. 3 is a schematic structural view of the soundproof cover of the present invention.

Fig. 4 is a schematic structural view of the soundproof cover main body of the present invention.

Fig. 5 is a sectional view of the hole cover of the present invention.

Fig. 6 is a front view of the orifice cover of the present invention.

Fig. 7 is a schematic structural view of the baffle of the present invention.

Fig. 8 is a top view of the hole cover of the present invention.

Figure 9 is a side view of the feeder of the present invention.

Figure 10 is a front view of the feeder of the present invention.

Fig. 11 is a side view of the steel cylinder of the present invention.

Fig. 12 is a schematic structural view of the chute of the present invention.

Fig. 13 is a schematic structural view of the cartridge cover of the present invention.

Wherein: 1. a steel cylinder; 2. a sound-proof housing; 3. a steel frame; 4. a rotating shaft; 5. a console; 6. a display screen; 7. a take-up pan; 8. an orifice cover; 9. a cylinder cover; 10. a sound-proof enclosure door; 11. a hinge; 12. a feeder; 13. A handle; 14. a spring ring; 15. an outer pressing portion; 16. an inner telescopic part; 17. a control key; 18. The rotating shaft is provided with a hole; 19. a pressing device; 20. a sound enclosure body; 21. a chute; 22. a boss portion; 23. A gypsum board; 24. a polymeric damping material; 25. a feed inlet; 26. a discharge port; 27. a motor; 28. a clamping mechanism; 29. a cover body; 30. a connecting portion; 31. a feed conduit; 32. a funnel.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-13, in particular, in one embodiment, the los angeles abrasion tester comprises a steel cylinder 1, a steel frame 3, a rotating shaft 4, a motor 27, a feeding port 25, a discharging port 26, a receiving tray 7 and a cylinder cover 9; the rotating shaft 4 penetrates through the steel frame 3 and is rotatably connected with the steel frame 3;

one end of the rotating shaft 4 is fixedly connected with the output end of the motor 27;

the steel cylinder 1 is sleeved on the outer wall of the rotating shaft 4 and is fixedly connected with the rotating shaft 4;

the feed inlet 25 is arranged on the side surface of the steel cylinder 1;

the discharge hole 26 is arranged on the bottom surface of the steel cylinder 1;

an included angle a formed between the opening direction of the feed port 25 and the opening direction of the discharge port 26 is smaller than 90 degrees;

the steel cylinder 1 is provided with a chute 21 at a discharge hole 26, and the cylinder cover 9 is arranged in the chute 21 in a sliding manner. A tester opens the feeding hole 25, puts the aggregate required by the test, closes the feeding hole 25 and the sound-proof housing 2, the motor 27 controls the steel cylinder 1 to rotate, the discharge hole 26 is opened through the cylinder cover 9 after the test is completed, the test piece drops to the receiving disc 7 from the discharge hole 26, the discharge hole 26 is closed, and the test is completed. An included angle a formed between the opening direction of the feeding hole 25 and the opening direction of the discharging hole 26 is smaller than 90 degrees, and the position design of the feeding hole 25 reduces the aggregate picking height, so that the labor amount is reduced, and the physical consumption is reduced; meanwhile, the discharge hole 26 is arranged on the bottom surface of the steel cylinder 1, so that the condition that an arm extends into the steel cylinder 1 can be avoided, and the probability of injury to a tester is reduced; set cover 9 to gliding structure and can subtract the process of unscrewing the bolt, reduce the step among the experimentation for it is shorter to test duration, has improved efficiency, and can save experimenter's physical power, places cover 9 and can subtract the operation of getting cover 9 in the bottom surface of steel cylinder 1, saves physical power effectively, conveniently gets the material.

Specifically, the cartridge cover 9 includes a cover body 29 and a protrusion 22 which are integrally formed, the cover body 29 is slidably disposed in the discharge hole 26, and the protrusion 22 is slidably disposed in the sliding groove 21. The convex part 22 can be inserted into the sliding groove 21 and corresponds to the sliding groove 21, so that the installation and the fixation of the cylinder cover 9 are facilitated; lid body 29 sets up in discharge gate 26, is favorable to sheltering from discharge gate 26, and the steel cylinder 1 rolls when avoiding experimental and leads to gathering materials to drop, and the slip setting is favorable to opening and closing of cover 9, can reduce testing personnel's the amount of labour, saves physical power.

Specifically, the bottom surface of the cylinder cover 9 is provided with a handle 13. The bottom surface of the barrel cover 9 is provided with the handle 13, the handle 13 is moved, the handle 13 drives the barrel cover 9 to move, the barrel cover 9 is more convenient to move, the process of unscrewing the bolt is omitted, the burden of a tester when the tester takes materials is reduced, and physical strength is saved.

Specifically, the feed port 25 is provided with a hole cover 8, and a pressing device 19 is arranged in the hole cover 8; the pressing device 19 comprises a spring ring 14 and two clamping mechanisms 28; the spring ring 14 is disposed between the two clamping mechanisms 28 and is connected to the two clamping mechanisms 28, respectively, and both clamping mechanisms 28 are connected to the inner wall of the hole cover 8. The hole cover 8 of the feeding hole 25 can reduce the condition that a tester stretches an arm into the cylinder, and reduce the probability of the tester being hurt; the hole cover 8 is connected with the steel cylinder 1 through a pressing device 19; clamping mechanism 28 fixes the both ends of spring ring 14, and clamping mechanism 28 and handhole door 8 inner wall are connected, and clamping mechanism 28 inwards contracts to drive the spring ring 14 shrink, be favorable to handhole door 8 convenient to be installed at feed inlet 25, use manpower sparingly, prevent that debris from dropping to steel cylinder 1 from feed inlet 25 in, reduce the test error, make the test process safe and reliable more.

Specifically, the clamping mechanism 28 includes an external pressing portion 15, an internal telescopic portion 16 and a connecting portion 30; the outer pressing portion 15 is connected to the inner stretchable portion 16 through the connecting portion 30; the spring ring 14 is connected to the connecting portion 30. Pressing device 19 presses clamping mechanism 28's outside when using and presses portion 15, spring coil 14 inwards compresses, and the inside pars contractilis 16 that links to each other with clamping mechanism 28 removes to spring coil 14 compression direction, fills in feed inlet 25, loosens outside and presses portion 15, and spring coil 14 resumes original state, and outside presses portion 15 and inside pars contractilis 16 to spring coil 14 and resume the direction and remove, blocks the inner wall of steel cylinder 1 for pressing device 19 can block at feed inlet 25, places handhole door 8.

Specifically, the steel cylinder 1 is disposed inside the soundproof cover 2. One deck sound-proof housing 2 is added in 1 outside of steel cylinder, and sound-proof housing 2 surrounds steel cylinder 1, is favorable to completely cutting off the contact between steel cylinder 1 and the external world, can effectively completely cut off the noise, reduces the noise pollution in city to noise abatement is to experimenter's harm and to the puzzlement of near activity crowd.

Specifically, the soundproof cover 2 includes a soundproof cover main body 20 and a soundproof cover door 10; the soundproof cover door 10 is hinged with the soundproof cover main body 20 through a hinge 11; the soundproof cover 2 is provided with a rotating shaft opening 18, the rotating shaft 4 penetrates through the rotating shaft opening 18, and the steel cylinder 1 is arranged in a cavity surrounded by the soundproof cover main body 20 and the soundproof cover door 10. A layer of sound-proof shield 2 is added outside the machine, so that noise can be effectively isolated, and the harm of the noise to experimenters is reduced; the soundproof cover door 10 can be turned over and folded, so that the collected materials can be conveniently placed into the steel cylinder 1; the two hinges 11 realize the turnover function of the sound-proof cover door 10; the hole 18 of the rotating shaft of the sound-proof shield 2 is convenient for connecting the steel cylinder 1 with the motor 27 through the rotating shaft 4; the lower part of the sound-proof shield 2 is grounded, and the upper part and the front and rear sides are completely sealed, so that the noise generated when the steel cylinder 1 operates is effectively reduced.

Specifically, the los angeles abrasion tester further comprises a feeder 12; the feeder 12 comprises a hopper 32 and a feed duct 31; the outlet of the hopper 32 is connected to the feed pipe 31; the feeding pipe 31 is arranged in the feeding hole 25; the angle b between the feed pipe 31 and the horizontal plane is less than 90 deg. The lower part of the feeder 12 is connected with the feed port 25 and is connected with the outside and the inside of the steel cylinder 1, the square funnel 32 is arranged at the upper part of the feeder 12, which is beneficial to pouring aggregate, avoids the aggregate waste caused by the too small size of the feeder 12, and is more convenient for a tester to place the aggregate into the steel cylinder 1. Feeder 12 may be loaded into feed port 25 to facilitate the loading of aggregate material from feeder 12 and to prevent the aggregate material from spilling. In one embodiment, as shown in FIG. 9, the angle b of the feeding pipe 31 to the horizontal plane is less than 90 degrees, which facilitates the feeding pipe 31 to be locked into the feeding hole 25 and the fixing of the feeder 12.

Specifically, the los angeles abrasion tester further comprises a console 5; the console 5 is electrically connected to the motor 27. The console 5 comprises a display screen 6 and control keys 17; the control key 17 is used for controlling the display screen 6 and the motor 27. The control key 17 controls the motor 27, the rotating shaft 4 rotates to drive the steel cylinder 1 to work, the display screen 6 displays the information of the rotating time and the rotating speed, so that the tester can be operated conveniently, and the asphalt mixture flying test and the coarse aggregate los Angeles abrasion test can be completed.

Specifically, the soundproof cover 2 is a soundproof plate; the soundproof cover 2 includes two gypsum boards 23 and a polymer damping material 24, and the polymer damping material 24 is disposed between the two gypsum boards 23. In the engineering field, the broadband random excitation caused by vibration and noise can cause the multi-formant response of the structure, directly influence the normal work of electronic devices, instruments and meters, and cause disastrous consequences in severe cases, and the damping technology is the most effective method for controlling the structure resonance and the noise and is the most important means for solving the problems of vibration reduction and noise reduction; the light partition wall formed by the gypsum plates 23 can be used for separating the indoor space, has the characteristics of simple structure and convenience in processing and installation, and the double-layer separated sound insulation wall formed by the gypsum plates 23 has a sound insulation effect equivalent to a brick wall with the thickness of 23 cm, and the sound insulation index can reach 40-50 decibels.

Specifically, in one embodiment, as shown in FIG. 10, the front view of the feed conduit 31 is an L-shaped configuration to facilitate the feed conduit 31 to snap into the feed opening 25 and to facilitate securing the feeder 12.

Specifically, the steel cylinder 1 has the size, the inner diameter is 710mm +/-5 mm, and the inner side is 510mm +/-5 mm long.

Specifically, the length of the short side of the feed port 25 is 10mm +/-5 mm, and the length of the long side is 150mm +/-5 mm.

Specifically, the short side of the rectangular opening above the feeder 12 is 200mm +/-5 mm, and the long side of the rectangular opening is 350mm +/-5 mm.

Specifically, the width of the discharge port 26 is 150mm +/-5 mm, notches are formed in two sides of the orifice, and the thickness of each notch is 5mm +/-1 mm.

Specifically, the soundproof cover main body 20 is not in direct contact with the steel cylinder 1 and is spaced apart from it by a certain distance.

Specifically, the rotating shaft 4 is connected with the steel cylinder 1 through a bolt.

The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A los Angeles abrasion tester which characterized in that: comprises a steel cylinder, a steel frame, a rotating shaft, a motor, a feeding hole, a discharging hole, a receiving disc and a cylinder cover; the rotating shaft penetrates through the steel frame and is rotatably connected with the steel frame;

the feed inlet is arranged on the side surface of the steel cylinder;

the discharge port is arranged on the bottom surface of the steel cylinder;

an included angle a formed between the opening direction of the feeding hole and the opening direction of the discharging hole is smaller than 90 degrees;

2. The los angeles abrasion tester according to claim 1, wherein: the cover body is arranged in the discharge port in a sliding mode, and the protruding portion is arranged in the sliding groove in a sliding mode.

3. The los angeles abrasion tester according to claim 1, wherein: the bottom surface of the cylinder cover is provided with a handle.

4. The los angeles abrasion tester according to claim 1, wherein: a hole cover is arranged at the feeding hole, and a pressing device is arranged in the hole cover; the pressing device comprises a spring ring and two clamping mechanisms; the spring ring is arranged between the two clamping mechanisms and is respectively connected with the two clamping mechanisms, and the two clamping mechanisms are both connected with the inner wall of the hole cover.

5. The los angeles abrasion tester according to claim 4, wherein: the clamping mechanism comprises an external pressing part, an internal telescopic part and a connecting part; the outer pressing part is connected with the inner telescopic part through the connecting part; the spring ring is connected with the connecting part.

6. The los angeles abrasion tester according to claim 1, wherein: the steel cylinder is arranged in the sound-proof housing.

7. The los Angeles abrasion tester of claim 6, wherein: the sound-proof shield comprises a sound-proof shield main body and a sound-proof shield door; the sound-proof cover door is hinged with the sound-proof cover main body through a hinge; the sound-proof housing is opened there is a axis of rotation trompil, the axis of rotation passes the axis of rotation trompil, the steel cylinder set up in the cavity that sound-proof housing main part and sound-proof housing door enclose.

8. The los angeles abrasion tester according to claim 1, wherein: the los Angeles abrasion tester also comprises a feeder; the feeder comprises a hopper and a feed pipe; the outlet of the hopper is connected with the feeding pipeline; the feeding pipeline is arranged in the feeding port; the included angle b between the feeding pipeline and the horizontal plane is less than 90 degrees.

9. The los angeles abrasion tester according to claim 1, wherein: the los Angeles abrasion tester also comprises a console; the console is electrically connected with the motor.

10. The los angeles abrasion tester according to claim 7, wherein: the sound-proof cover is a sound-proof plate; the sound-proof housing includes two gypsum boards and polymer damping material, and polymer damping material sets up in the middle of two gypsum boards.