Accelerated polishing experiment equipment

Abstract

The utility model provides accelerated polishing experiment equipment which comprises a base, a vertical frame is fixedly connected to the top face of the base, a threaded column is rotationally connected into the vertical frame, a first motor with an output shaft fixedly connected with the threaded column is arranged at the top of the vertical frame, and a mounting transverse plate is in threaded connection with the threaded column. The utility model has the advantages that the locking rod is pulled outwards to unlock the rotating disc, the rotating disc is rotated to drive the driving rod to rotate, and the driving rod drives the transmission rod to rotate through the bevel gear. Under the constraint of the limiting frame, the push rod is driven by the threads to move into the limiting frame, and then the supporting block is driven to move to relieve supporting on the tire. And then the tire can be quickly disassembled. After the supporting blocks are sleeved with a new tire, the rotating disc is rotated reversely to drive the push rod to move reversely, the new tire is fixed through the multiple supporting blocks, the locking rod is loosened, the spring drives the locking rod to be clamped into the locking groove, and locking of the rotating disc is achieved. And the tire can be quickly replaced, and the experiment efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pavement material testing, in particular to accelerated polishing experimental equipment. Background Art

[0002] The accelerated polishing machine is suitable for indoor simulation of the polishing effect of automobile tires on highway asphalt pavement, accelerating the polishing of aggregates used in the pavement, and evaluating the wear resistance of aggregates by measuring the polishing value of aggregates.

[0003] An existing accelerated polishing machine drives the connecting frame to move vertically through a driving structure, rotates the tire in the connecting frame, drives the tire to rotate using a motor, and uses the tire to contact a test plate for testing. The test plate is movably installed in the tank body, which is convenient for replacement after the experiment. However, the tire will also wear out during the experiment, and the tire is connected to the connecting frame through a rotating shaft, which is not convenient for quick replacement. Therefore, an accelerated polishing test device is proposed for improvement. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide an accelerated polishing experimental device to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides an accelerated polishing experimental device, including a base, a vertical frame is fixedly connected to the top surface of the base, a threaded column is rotatably connected inside the vertical frame, a first motor whose output shaft is fixedly connected to the threaded column is arranged on the top of the vertical frame, a mounting horizontal plate is threadedly connected to the threaded column, and a mounting vertical plate is fixedly connected to the bottom surface of the mounting horizontal plate;

[0007] The lower part of the front side of the mounting vertical plate is rotatably connected with the mounting frame, the back side of the mounting vertical plate is provided with a second motor whose output shaft is fixedly connected with the mounting frame, the side of the mounting frame is fixedly connected with a plurality of limit frames, a transmission rod extending into the mounting frame is rotatably connected in the limit frame, a push rod threadedly connected with the transmission rod is inserted in the limit frame, a support block is fixedly connected to the top of the push rod, a driving rod is rotatably connected in the mounting frame, and bevel gears meshing with each other are fixedly connected on the driving rod and the transmission rod;

[0008] The outer end of the driving rod is fixedly connected with a rotating disk, a locking rod is inserted on the rotating disk, a spring is arranged between the outer end of the locking rod and the rotating disk, and a plurality of locking grooves are opened on the rotating disk.

[0009] Preferably, in any of the above schemes, a placement plate is provided on one side of the base, and the vertical frame adopts a U-shaped structure.

[0010] Preferably, any of the above schemes is that the mounting horizontal plate is threadedly connected to the threaded column via a slider, and the mounting vertical plate is fixedly connected to the middle of the bottom surface of the mounting horizontal plate.

[0011] The above technical solution is adopted: the base provides an installation platform for the upper structure, and a placement plate is set on one side to provide a placement and fixing platform for the test plate. The vertical frame provides an installation platform for the first motor and the threaded column. The first motor provides power for the threaded column, and the first motor is used to drive the threaded column to rotate. Under the constraint of the vertical frame, the installation horizontal plate is pushed by the thread to move vertically. The installation horizontal plate provides an installation platform for the installation vertical plate, and can drive the installation vertical plate to move vertically.

[0012] Preferably, from any of the above schemes, the installation frame is rotatably connected to the installation vertical plate via a rotating shaft, and the output shaft of the second motor is fixedly connected to the rotating shaft of the installation frame.

[0013] Preferably, any of the above schemes adopts a rectangular structure, and the limiting frame and the push rod both adopt a rectangular structure.

[0014] The above technical solution is adopted: the installation frame provides an installation platform for the limit frame, the transmission rod, the push rod and the driving rod. It is rotatably connected to the installation vertical plate through the rotating shaft so that it can be driven by the second motor to rotate. A plurality of limit frames are arranged on the installation frame, and the limit frames are used to limit the push rod. The transmission rod is used to transmit between the driving rod and the push rod. The limit frame and the push rod are both rectangular structures, which can prevent the push rod from rotating in the limit frame.

[0015] Preferably, any of the above schemes is that the support block is made of elastic material, and a rotating handle is fixedly connected to the outer side of the rotating disk.

[0016] Preferably, in any of the above schemes, a disc is fixedly connected to the outer end of the locking rod, and the spring is arranged between the disc and the rotating disk.

[0017] The above technical solution is adopted: the driving rod is rotated, and the driving rod drives the transmission rod to rotate through the bevel gear. Under the constraint of the limit frame, the push rod is pushed by the thread to move along the length direction of the limit frame, and then the support block can be driven to move, and the tire is supported and limited by the support block. The locking rod can cooperate with the locking groove to lock the rotating disk to prevent the rotating disk from rotating. A spring is set between the locking rod and the rotating disk, and the spring elastically pulls the locking rod so that the locking rod is kept in the locking groove when there is no external force, thereby ensuring the locking effect of the rotating disk.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. The accelerated polishing experimental equipment is provided with a mounting frame, a second motor, a limit frame, a transmission rod, a push rod, a support block, a driving rod, a bevel gear and other structures. When the tire needs to be replaced, the locking rod is pulled outward to unlock the rotating disk, and the rotating disk is rotated to drive the driving rod to rotate, and the driving rod drives the transmission rod to rotate through the bevel gear. Under the constraint of the limit frame, the push rod is driven by the thread to move into the limit frame, and then drives the support block to move to release the support for the tire. Then the tire can be quickly disassembled. After the new tire is put on the support block, the rotating disk is rotated in the reverse direction to drive the push rod to move in the reverse direction, so that several support blocks fix the new tire, and the locking rod spring is released to drive the locking rod to fit into the locking groove to lock the rotating disk. The tire can be replaced quickly, which is beneficial to improving the efficiency of the experiment.

[0020] 2. The accelerated polishing test equipment is provided with structures such as a mounting horizontal plate and a mounting vertical plate. Under the constraint of the vertical frame, the mounting horizontal plate is driven by the threaded column to move vertically. The mounting horizontal plate provides a mounting platform for the mounting vertical plate and can drive the mounting vertical plate to move vertically. The height of the tire can be quickly adjusted so that the tire contacts the test plate for testing.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0025] Figure 3 For the utility model Figure 2 The structural diagram at A in the middle;

[0026] Figure 4 It is a schematic diagram of the cross-section structure of the installation frame of the utility model.

[0027] In the figure: 1-base, 2-vertical frame, 3-threaded column, 4-first motor, 5-mounting horizontal plate, 6-mounting vertical plate, 7-mounting frame, 8-second motor, 9-limiting frame, 10-transmission rod, 11-push rod, 12-support block, 13-driving rod, 14-bevel gear, 15-rotating disk, 16-locking rod, 17-spring, 18-locking groove. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figures 1 to 4 As shown, the utility model comprises a base 1, a vertical frame 2 is fixedly connected to the top surface of the base 1, a threaded column 3 is rotatably connected inside the vertical frame 2, a first motor 4 whose output shaft is fixedly connected to the threaded column 3 is arranged on the top of the vertical frame 2, a mounting horizontal plate 5 is threadedly connected to the threaded column 3, and a mounting vertical plate 6 is fixedly connected to the bottom surface of the mounting horizontal plate 5;

[0031] The lower part of the front side of the mounting riser 6 is rotatably connected with a mounting frame 7, the back side of the mounting riser 6 is provided with a second motor 8 whose output shaft is fixedly connected with the mounting frame 7, the side of the mounting frame 7 is fixedly connected with a plurality of limit frames 9, a transmission rod 10 extending into the mounting frame 7 is rotatably connected in the limit frame 9, a push rod 11 threadedly connected with the transmission rod 10 is inserted in the limit frame 9, a support block 12 is fixedly connected to the top of the push rod 11, a driving rod 13 is rotatably connected in the mounting frame 7, and a bevel gear 14 meshing with each other is fixedly connected on the driving rod 13 and the transmission rod 10;

[0032] The outer end of the driving rod 13 is fixedly connected to a rotating disk 15 , a locking rod 16 is inserted into the rotating disk 15 , a spring 17 is arranged between the outer end of the locking rod 16 and the rotating disk 15 , and a plurality of locking grooves 18 are opened on the rotating disk 15 .

[0033] Embodiment 1: A placement plate is provided on one side of the base 1, and the vertical frame 2 adopts a U-shaped structure. The installation horizontal plate 5 is threadedly connected to the threaded column 3 through a slider, and the installation vertical plate 6 is fixedly connected to the middle of the bottom surface of the installation horizontal plate 5. The base 1 provides an installation platform for the upper structure, and a placement plate is provided on one side thereof to provide a placement and fixing platform for the test board. The vertical frame 2 provides an installation platform for the first motor 4 and the threaded column 3. The first motor 4 provides power for the threaded column 3, and the first motor 4 is used to drive the threaded column 3 to rotate. Under the constraint of the vertical frame 2, the installation horizontal plate 5 is pushed by the thread to perform vertical displacement. The installation horizontal plate 5 provides an installation platform for the installation vertical plate 6, and can drive the installation vertical plate 6 to perform vertical displacement.

[0034] Embodiment 2: The mounting frame 7 is rotatably connected to the mounting riser 6 via a rotating shaft, and the output shaft of the second motor 8 is fixedly connected to the rotating shaft of the mounting frame 7. The mounting frame 7 adopts a rectangular structure, and the limit frame 9 and the push rod 11 both adopt a rectangular structure. The mounting frame 7 provides a mounting platform for the limit frame 9, the transmission rod 10, the push rod 11 and the drive rod 13. It is rotatably connected to the mounting riser 6 via a rotating shaft so that it can be driven by the second motor 8 to rotate. A plurality of limit frames 9 are arranged on the mounting frame 7, and the limit frames 9 are used to limit the push rod 11. The transmission rod 10 is used to transmit between the drive rod 13 and the push rod 11. The limit frame 9 and the push rod 11 both adopt a rectangular structure, which can prevent the push rod 11 from rotating in the limit frame 9.

[0035] Embodiment 3: The support block 12 is made of elastic material, and a handle is fixedly connected to the outer side of the rotating disk 15. A disc is fixedly connected to the outer end of the locking rod 16, and a spring 17 is arranged between the disc and the rotating disk 15. The driving rod 13 is rotated, and the driving rod 13 drives the transmission rod 10 to rotate through the bevel gear 14. Under the constraint of the limit frame 9, the push rod 11 is pushed by the thread to move along the length direction of the limit frame 9, and then the support block 12 can be driven to move, and the support block 12 is used to support and limit the tire. The locking rod 16 can cooperate with the locking groove 18 to lock the rotating disk 15 to prevent the rotating disk 15 from rotating. A spring 17 is arranged between the locking rod 16 and the rotating disk 15, and the spring 17 elastically pulls the locking rod 16 so that the locking rod 16 is kept in the locking groove 18 when there is no external force, thereby ensuring the locking effect of the rotating disk 15.

[0036] The working principle of the utility model is as follows:

[0037] S1. Fix the test plate on the base 1. As needed, start the first motor 4 to drive the threaded column 3 to rotate, and then drive the installation horizontal plate 5 and the installation vertical plate 6 to move vertically, so that the tire contacts the test plate. Start the second motor 8 to drive the tire to rotate for testing;

[0038] S2. When the tire needs to be replaced, the lock rod 16 is pulled outward to unlock the rotating disk 15. The rotating disk 15 drives the driving rod 13 to rotate. The driving rod 13 drives the transmission rod 10 to rotate through the bevel gear 14. Under the constraint of the limit frame 9, the push rod 11 is driven by the thread to move into the limit frame 9, thereby driving the support block 12 to move and release the support for the tire. Then the tire can be quickly removed;

[0039] S3. After the new tire is put on the support block 12, the rotating disk 15 is rotated in the reverse direction to drive the push rod 11 to move in the reverse direction, so that the support blocks 12 fix the new tire, and the locking rod 16 is released. The spring 17 drives the locking rod 16 to snap into the locking groove 18, thereby locking the rotating disk 15.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] 1. The accelerated polishing experimental equipment is provided with a mounting frame 7, a second motor 8, a limit frame 9, a transmission rod 10, a push rod 11, a support block 12, a driving rod 13, a bevel gear 14 and other structures. When the tire needs to be replaced, the locking rod 16 is pulled outward to unlock the rotating disk 15, and the rotating disk 15 is rotated to drive the driving rod 13 to rotate, and the driving rod 13 drives the transmission rod 10 to rotate through the bevel gear 14. Under the constraint of the limit frame 9, the push rod 11 is driven by the thread to move into the limit frame 9, and then drives the support block 12 to move to release the support for the tire. Then the tire can be quickly disassembled. After the new tire is put on the support block 12, the rotating disk 15 is rotated in the reverse direction to drive the push rod 11 to move in the reverse direction, so that several support blocks 12 fix the new tire, and the locking rod 16 spring 17 is released to drive the locking rod 16 to snap into the locking groove 18, so as to achieve the locking of the rotating disk 15. The tire can be quickly replaced, which is conducive to improving the efficiency of the experiment.

[0042] 2. The accelerated polishing test equipment is provided with structures such as a mounting horizontal plate 5 and a mounting vertical plate 6. Under the constraint of the vertical frame 2, the mounting horizontal plate 5 is driven by the threaded column to move vertically. The mounting horizontal plate 5 provides a mounting platform for the mounting vertical plate 6 and can drive the mounting vertical plate 6 to move vertically, so that the height of the tire can be quickly adjusted so that the tire contacts the test plate for testing.

Claims

1. An accelerated polishing experimental device, comprising a base (1); characterized in that: The top surface of the base (1) is fixedly connected to a vertical frame (2), a threaded column (3) is rotatably connected inside the vertical frame (2), a first motor (4) whose output shaft is fixedly connected to the threaded column (3) is provided at the top of the vertical frame (2), a mounting horizontal plate (5) is threadedly connected to the threaded column (3), and a mounting vertical plate (6) is fixedly connected to the bottom surface of the mounting horizontal plate (5); The lower part of the front side of the mounting vertical plate (6) is rotatably connected to a mounting frame (7); the back side of the mounting vertical plate (6) is provided with a second motor (8) whose output shaft is fixedly connected to the mounting frame (7); the side of the mounting frame (7) is fixedly connected to a plurality of limit frames (9); a transmission rod (10) extending into the mounting frame (7) is rotatably connected in the limit frame (9); a push rod (11) threadedly connected to the transmission rod (10) is inserted in the limit frame (9); a support block (12) is fixedly connected to the top of the push rod (11); a driving rod (13) is rotatably connected in the mounting frame (7); a bevel gear (14) meshing with each other is fixedly connected on the driving rod (13) and the transmission rod (10); The outer end of the driving rod (13) is fixedly connected to a rotating disk (15), a locking rod (16) is inserted into the rotating disk (15), a spring (17) is arranged between the outer end of the locking rod (16) and the rotating disk (15), and a plurality of locking grooves (18) are provided on the rotating disk (15).

2. The accelerated polishing experimental equipment according to claim 1, characterized in that: A placement plate is provided on one side of the base (1), and the vertical frame (2) adopts a U-shaped structure.

3. The accelerated polishing experimental equipment as claimed in claim 2, characterized in that: The mounting transverse plate (5) is threadedly connected to the threaded column (3) via a slider, and the mounting vertical plate (6) is fixedly connected to the middle part of the bottom surface of the mounting transverse plate (5).

4. The accelerated polishing experimental equipment as claimed in claim 3, characterized in that: The installation frame (7) is rotatably connected to the installation vertical plate (6) via a rotating shaft, and the output shaft of the second motor (8) is fixedly connected to the rotating shaft of the installation frame (7).

5. The accelerated polishing experimental device as claimed in claim 4, characterized in that: The installation frame (7) adopts a rectangular structure, and the limiting frame (9) and the push rod (11) both adopt a rectangular structure.

6. The accelerated polishing experimental device according to claim 5, characterized in that: The support block (12) is made of elastic material, and a rotating handle is fixedly connected to the outer side of the rotating disk (15).

7. The accelerated polishing experimental device according to claim 6, characterized in that: The outer end of the locking rod (16) is fixedly connected with a disc, and the spring (17) is arranged between the disc and the rotating disk (15).

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