A crushing device for producing recycled asphalt concrete

Abstract

The utility model discloses a regenerated asphalt concrete production crushing device, comprising a crushing main machine, a feed hopper is provided at the feed port of the crushing main machine, a pulley is installed at the driving end of the crushing main machine, a transmission motor is installed on the crushing main machine, a transmission belt is connected between the transmission motor and the pulley, and a mounting plate is provided on the outer side of the transmission belt; the utility model assembles the mounting plate equipped with the pressure roller on the utility model through the designed mounting plate, assembly cylinder, extrusion column, base frame, spring and pressure roller, so that the pressure roller is on the upper surface of the transmission belt, and the spring in the extrusion state in the assembly cylinder always applies elastic force to the extrusion column, thereby pushing the pressure roller to keep squeezing the transmission belt at all times, ensuring that when the transmission belt is loose, it is squeezed and deformed by the pressure roller in time, ensuring that the transmission belt is in a tensioned state again, effectively avoiding the belt loosening of the utility model and failing to adjust the tension in time to affect the crushing effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of pulverizing devices, and in particular relates to a pulverizing device for producing recycled asphalt concrete. Background Art

[0002] A crusher is a device that crushes materials in the form of impact. It is divided into single-rotor and double-rotor types. It is a crusher that directly crushes materials with a maximum particle size of 600 to 1,800 mm to 25 or less mm. Hammer crusher is suitable for medium and fine crushing of medium hardness materials such as limestone, slag, coke, coal and other materials in cement, chemical, electric power, metallurgy and other industrial sectors. The original crusher has no steering device, and due to its heavy weight, it is not convenient for the staff to adjust the position of the crusher during use, which reduces the functionality of the crusher and cannot bring more convenience to the staff.

[0003] A crusher for producing asphalt recycled concrete with application number 202022904503.5, wherein a first motor is installed at one end of the top of the base, a transmission belt is installed at the output end of the first motor, a disc is installed at the end of the transmission belt away from the first motor, a drive box is installed on the rear surface of the disc, and a feed hopper is installed on the top of the drive box; the beneficial effects of the utility model are: the second rotating disc is driven to rotate by the first rotating disc in cooperation with the bearing seat, thereby rotating the crusher above the second rotating disc, and when the position of the feed hopper opening rotates to a suitable position, the power supply of the second motor is stopped, thereby adjusting the position of the crusher and increasing the functionality of the crusher; the cooling water circulating inside the heat dissipation pipe can cool the drive box of the crusher and increase the heat dissipation function of the crusher, but there are the following defects:

[0004] (1) When the above-mentioned asphalt recycled concrete production crusher is crushing the recycled asphalt concrete, the transmission motor drives the pulley to rotate through the transmission belt, and then drives the internal crushing mechanism of the crusher to work. However, in actual work, the transmission belt used for power transmission is prone to loosening, and the tension adjustment cannot be carried out in time when it is in a loose state, which causes the power transmission to slip and affects the crushing effect. For this reason, we propose a recycled asphalt concrete production crushing device. Utility Model Content

[0005] The purpose of the utility model is to provide a recycled asphalt concrete production crushing device to solve the problem that the transmission belt of the crusher power transmission proposed in the above-mentioned background technology is prone to looseness, and cannot be tensioned and adjusted in time when in the loose state, thereby causing power transmission slippage and affecting the crushing effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a recycled asphalt concrete production crushing device, comprising a crushing main machine, a feed hopper is provided at the feed port of the crushing main machine, a pulley is installed at the driving end of the crushing main machine, a transmission motor is installed on the crushing main machine, a transmission belt is connected between the transmission motor and the pulley, a mounting plate is provided on the outer side of the transmission belt, and the mounting plate is fixed on the surface of the crushing main machine, an assembling cylinder is inlaid on the top of the mounting plate, an extrusion column is connected to the inside of the assembling cylinder by sliding, the bottom end of the extrusion column is connected to a base frame, a pressure roller is installed on the inner side of the base frame, the pressure roller is on the surface of the transmission belt, and a spring is provided on the top of the extrusion column.

[0007] Preferably, a guide hole is opened on the top surface of the mounting plate, a guide rod passes through the inside of the guide hole, and the guide rod is fixed on the top surface of the base frame.

[0008] Preferably, the side wall of the extrusion column is provided with an anti-slip groove, the inner side of the anti-slip groove is provided with an anti-slip block, and the anti-slip block is fixed on the inner wall of the assembly cylinder.

[0009] Preferably, the cross-sections of the assembly tube and the extrusion column are both circular structures, and the central axes of the assembly tube and the extrusion column coincide with each other.

[0010] Preferably, the longitudinal section of the mounting plate is an L-shaped structure, and the longitudinal section of the base frame is a U-shaped structure.

[0011] Preferably, a threaded hole is provided on the top surface of the assembly cylinder, an adjusting stud is threadedly connected to the inside of the threaded hole, an inner plate is provided between the bottom end of the adjusting stud and the spring, and the inner plate is movably installed inside the assembly cylinder.

[0012] Preferably, a rotary block is fixed to the top of the adjusting stud, and an anti-slip protrusion is provided on the outer wall of the rotary block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The mounting plate with the pressure roller is assembled on the utility model through the designed mounting plate, assembly cylinder, extrusion column, base frame, spring and pressure roller, so that the pressure roller is on the upper surface of the transmission belt. The spring in the assembly cylinder in the extrusion state always exerts elastic force on the extrusion column, thereby pushing the pressure roller to keep squeezing the transmission belt at all times, ensuring that when the transmission belt is loose, it is deformed by the pressure roller in time, ensuring that the transmission belt is in a tensioned state again, effectively avoiding the utility model belt slack and unable to adjust the tension in time to affect the crushing effect, through the designed guide rod and guide hole, the base frame with the pressure roller is guided to rise and fall, avoiding its angle rotation and affecting the extrusion and rolling of the pressure roller on the transmission belt, through the designed anti-slip block and anti-slip groove, the extrusion column is limited to prevent it from falling off from the assembly cylinder, through the designed adjusting stud, threaded hole and inner plate, by screwing the adjusting stud to adjust the degree of squeezing of one end of the spring by the inner plate, and then by changing the initial deformation degree of the spring to compensate for the elastic potential energy of the spring, avoiding elastic fatigue of the spring and affecting normal use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0017] Figure 3 This is a partial structural sectional view of the utility model at A;

[0018] Figure 4 It is a schematic diagram of the side assembly of the mounting plate, the assembly cylinder and the pressure roller of the utility model;

[0019] Figure 5 This is a top view of the assembly of the mounting plate, assembly tube and guide rod of the utility model;

[0020] In the figure: 1. Crushing machine; 2. Pulley; 3. Feed hopper; 4. Transmission belt; 5. Transmission motor; 6. Adjustment stud; 7. Assembly cylinder; 8. Guide rod; 9. Mounting plate; 10. Extrusion column; 11. Base frame; 12. Pressing roller; 13. Rotary block; 14. Threaded hole; 15. Spring; 16. Anti-slip groove; 17. Anti-slip block; 18. Inner plate; 19. Guide hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figures 1 to 5 The utility model provides a technical solution: a recycled asphalt concrete production crushing device, including a crushing main machine 1, a feeding hopper 3 is provided at the feeding port of the crushing main machine 1, a pulley 2 is installed at the driving end of the crushing main machine 1, a transmission motor 5 is installed on the crushing main machine 1, a transmission belt 4 is connected between the transmission motor 5 and the pulley 2, a mounting plate 9 is provided on the outer side of the transmission belt 4, and the mounting plate 9 is fixed on the surface of the crushing main machine 1, an assembly cylinder 7 is inlaid on the top of the mounting plate 9, an extrusion column 10 is connected to the inside of the assembly cylinder 7 by sliding, a bottom end of the extrusion column 10 is connected to a bottom frame 11, a pressure roller 12 is installed on the inner side of the bottom frame 11, and the pressure roller 12 is on the surface of the transmission belt 4, and a spring 15 is provided on the top of the extrusion column 10. Through the designed mounting plate 9, assembly cylinder 7, extrusion column 10, bottom frame 11, spring 15 and pressure roller 12. Assemble the mounting plate 9 with the pressure roller 12 on the utility model so that the pressure roller 12 is on the upper surface of the transmission belt 4. The spring 15 in the extrusion state in the assembly tube 7 always applies elastic force to the extrusion column 10, thereby pushing the pressure roller 12 to keep squeezing the transmission belt 4 at all times, ensuring that when the transmission belt 4 is loose, it is deformed by the pressure roller 12 in time to ensure that the transmission belt 4 is in a tensioned state again, effectively avoiding the belt of the utility model from being loose and unable to adjust the tension in time to affect the crushing effect. A guide hole 19 is opened on the top surface of the mounting plate 9, and a guide rod 8 runs through the inside of the guide hole 19. Through the designed guide rod 8 and guide hole 19, the bottom frame 11 equipped with the pressure roller 12 is guided to rise and fall to avoid its angle rotation and affect the squeezing and rolling of the pressure roller 12 on the transmission belt 4. The guide rod 8 is fixed on the top surface of the bottom frame 11.

[0024] In the present embodiment, preferably, the side wall of the extrusion column 10 is provided with an anti-slip groove 16, the inner side of the anti-slip groove 16 is provided with an anti-slip block 17, and the anti-slip block 17 is fixed on the inner wall of the assembling cylinder 7. The designed anti-slip block 17 and anti-slip groove 16 are used to limit the sliding of the extrusion column 10 to avoid falling off from the assembling cylinder 7. The cross-sections of the assembling cylinder 7 and the extrusion column 10 are both circular structures, and the central axes of the assembling cylinder 7 and the extrusion column 10 coincide with each other. The longitudinal section of the mounting plate 9 is an L-shaped structure, and the longitudinal section of the base frame 11 is a U-shaped structure.

[0025] In this embodiment, preferably, a threaded hole 14 is provided on the top surface of the assembly tube 7, and an adjusting stud 6 is connected to the inside of the threaded hole 14 through a thread. An inner plate 18 is provided between the bottom end of the adjusting stud 6 and the spring 15. Through the designed adjusting stud 6, threaded hole 14 and inner plate 18, the degree of squeezing of the inner plate 18 on one end of the spring 15 is adjusted by screwing the adjusting stud 6, and then the elastic potential energy of the spring is compensated by changing the initial deformation degree of the spring 15, so as to avoid elastic fatigue of the spring 15 and affect normal use. The inner plate 18 is movably installed inside the assembly tube 7, and a rotary block 13 is fixed to the top of the adjusting stud 6, and an anti-slip protrusion is provided on the outer wall of the rotary block 13. Through the designed rotary block 13, the rotary block 13 with anti-slip properties is installed on the adjusting stud 6 to facilitate rotational adjustment of the adjusting stud 6.

[0026] The working principle and use process of the utility model are as follows: the utility model assembles the mounting plate 9 equipped with the pressure roller 12 on the utility model, so that the pressure roller 12 is on the upper surface of the transmission belt 4, and adjusts the degree of extrusion of the inner plate 18 on one end of the spring 15 by screwing and adjusting the adjusting stud 6, and then compensates for the elastic potential energy of the spring by changing the initial deformation degree of the spring 15, so as to avoid elastic fatigue of the spring 15 and affect normal use. The spring 15 in the extrusion state in the assembly tube 7 always applies elastic force to the extrusion column 10, so as to push the pressure roller 12 to keep extruding the transmission belt 4 at all times, and ensure that when the transmission belt 4 is loose, it is squeezed and deformed in time by the pressure roller 12, so as to ensure that the transmission belt 4 is in a tensioned state again, effectively avoiding the belt of the utility model from being loose and unable to adjust the tension in time to affect the crushing effect.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A regenerated asphalt concrete production pulverizing device, comprising a pulverizing main machine (1), a feed hopper (3) is provided at the feed inlet of the pulverizing main machine (1), a pulley (2) is installed at the transmission end of the pulverizing main machine (1), a transmission motor (5) is installed on the pulverizing main machine (1), and a transmission belt (4) is connected between the transmission motor (5) and the pulley (2), characterized in that: A mounting plate (9) is provided on one side of the outside of the transmission belt (4), and the mounting plate (9) is fixed on the surface of the crushing main unit (1). An assembly cylinder (7) is embedded on the top of the mounting plate (9), and an extrusion column (10) is connected to the inside of the assembly cylinder (7) by sliding. The bottom end of the extrusion column (10) is connected to a base frame (11), and a pressure roller (12) is installed on the inner side of the base frame (11). The pressure roller (12) is located on the surface of the transmission belt (4), and a spring (15) is provided on the top of the extrusion column (10).

2. A regenerated asphalt concrete production and crushing device according to claim 1, characterized in that: A guide hole (19) is provided on the top surface of the mounting plate (9), a guide rod (8) passes through the inside of the guide hole (19), and the guide rod (8) is fixed on the top surface of the base frame (11).

3. A regenerated asphalt concrete production and crushing device according to claim 1, characterized in that: The side wall of the extrusion column (10) is provided with an anti-slip groove (16), the inner side of the anti-slip groove (16) is provided with an anti-slip block (17), and the anti-slip block (17) is fixed on the inner wall of the assembly cylinder (7).

4. The regenerated asphalt concrete production and crushing device according to claim 1 is characterized in that: The cross sections of the assembly cylinder (7) and the extrusion column (10) are both circular structures, and the central axes of the assembly cylinder (7) and the extrusion column (10) coincide with each other.

5. The regenerated asphalt concrete production and crushing device according to claim 1 is characterized by: The longitudinal section of the mounting plate (9) is an L-shaped structure, and the longitudinal section of the base frame (11) is a U-shaped structure.

6. A regenerated asphalt concrete production and crushing device according to claim 1, characterized in that: A threaded hole (14) is provided on the top surface of the assembly cylinder (7), and an adjusting stud (6) is connected to the inside of the threaded hole (14) via a thread. An inner plate (18) is provided between the bottom end of the adjusting stud (6) and the spring (15), and the inner plate (18) is movably installed inside the assembly cylinder (7).

7. A regenerated asphalt concrete production and pulverizing device according to claim 6, characterized in that: A rotary block (13) is fixed on the top of the adjusting stud (6), and an anti-slip protrusion is arranged on the outer wall of the rotary block (13).

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