Efficient crusher for building construction

Abstract

The utility model discloses an efficient crusher for building construction, which comprises a shell and a base, a pair of first crushing rollers is arranged between the upper parts of the inner walls of the shell, the first crushing rollers are in meshed connection, a first rotating shaft is connected in the first crushing rollers, a plurality of second crushing rollers are arranged below the first crushing rollers, and a plurality of second rotating shafts are arranged below the second crushing rollers. Second rotating shafts are connected into the second crushing rollers, a screen is installed on the lower portion of the inner wall of the shell, a third rotating shaft is arranged above the screen, a damping box and a damper are symmetrically arranged on the top of the base along the central axis, and the top end of the damping box is fixedly connected with the bottom of the shell; and limiting plates are arranged on the inner top wall and the bottom of the damping box. Sand is crushed by arranging the crushing rollers with different sizes, the crushing efficiency of the crusher is improved, and in addition, damping operation can be conducted on the crusher by arranging the damping springs and the limiting columns.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a high-efficiency crusher for building construction. Background Art

[0002] With the continuous development and progress of society, the continuous development and progress of the construction industry provides support for the development and progress of cities. The construction industry refers to the material production department in the national economy that is engaged in the survey, design, construction of construction and installation projects, as well as the maintenance of existing buildings. According to the National Economic Industry Classification Catalog, the construction industry, as one of the thirteen branches of the national economy, consists of the following three major categories: civil engineering construction industry; line, pipeline and equipment installation industry, survey and design industry. The function of the construction industry is mainly to carry out construction and installation activities for various building materials and components, machinery and equipment, etc., to build productive and non-productive fixed assets for the national economy. The development of the construction industry has a very close relationship with the scale of fixed asset investment, which promotes and restricts each other. In the process of construction, it is necessary to use a crusher to crush sand and stone, so that the processed sand and stone meet the needs of production and become qualified building materials.

[0003] The existing technology has the following problems:

[0004] The existing publication (announcement) number: CN210522736U discloses a concrete crusher for construction, which includes two support plates, and the same fixing base is fixedly installed on the side of the two support plates close to each other, and a motor is fixedly installed on the top of the fixing base, and a rotating hole is opened on the fixing base. The output shaft of the motor extends into the rotating hole and is fixedly installed with a rotating rod, and the bottom end of the rotating rod extends to the bottom of the fixing base. The same drill rod is provided on the side of the two support plates close to each other, and the drill rod is located below the fixed seat. A drill bit is fixedly installed on the bottom of the drill rod, and a telescopic slot is opened on the top of the drill rod. However, the crushing efficiency of the device is not high enough, and a large amount of dust will be raised during the crushing process, which will cause harm to the health of the workers.

[0005] To this end, we proposed a high-efficiency crusher for construction to solve the above-mentioned drawbacks. Utility Model Content

[0006] The utility model aims to provide a high-efficiency crusher for construction in order to solve the shortcomings in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency crusher for construction, including an outer shell and a base, a protective shell is arranged above both sides of the outer shell, a plurality of servo motors are installed in the protective shell, a pair of first crushing rollers are installed between the upper inner walls of the outer shell, and the first crushing rollers are meshed and connected, a first rotating shaft is connected inside the first crushing roller, and one end of the first rotating shaft passes through the outer shell and is connected to the output end of the servo motor, a plurality of second crushing rollers are installed below the first crushing roller, and the second crushing rollers are meshed and connected with each other, a second rotating shaft is connected inside the second crushing roller, and one end of the second rotating shaft passes through the outer shell and is connected to the servo motor. The output end of the motor is connected, a mounting frame is installed in the center of the left side of the shell, a speed regulating motor is fixedly installed in the mounting frame, a screen is installed on the lower inner wall of the shell, a third rotating shaft is arranged above the screen, and the left end of the third rotating shaft passes through the shell and is connected to the output end of the speed regulating motor, a shock absorbing box and a damper are symmetrically arranged along the central axis on the top of the base, and the top of the shock absorbing box is fixedly connected to the bottom of the shell, limiting plates are arranged on the top wall and the bottom of the shock absorbing box, a limiting column is arranged in the center of the bottom of the shell, one end of the limiting column passes through the base, and the limiting column is slidably connected to the base, fixing columns are installed at both ends of the base, and the fixing columns are connected to the shell through a reset spring.

[0008] Preferably, an observation window is provided on the surface of the shell.

[0009] Preferably, a feed hopper is provided at the center of the top of the shell.

[0010] Preferably, a plurality of equally spaced shift plates are provided on the third rotating shaft.

[0011] Preferably, a shock absorbing spring is arranged between the limiting plates.

[0012] Preferably, a lower hopper is installed in the center of the right side of the shell.

[0013] Preferably, support columns are provided at the four corners of the bottom of the base.

[0014] Preferably, a material receiving hopper is provided at the lower left side of the shell.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, crushing rollers of different sizes are arranged to crush sand and stone, thereby improving the crushing efficiency of the crusher.

[0017] 2. In the utility model, the shock-absorbing spring and the limit column are provided to perform shock-absorbing operation on the crusher, thereby reducing the situation where a large amount of dust is flying when discharging.

[0018] 3. In the utility model, the crushed sand and gravel can be filtered by setting a screen, and the unqualified sand and gravel obtained from the lower hopper can be re-added for secondary crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of a high-efficiency crusher for construction proposed by the utility model;

[0021] Figure 2 This is a side view of a high-efficiency crusher for construction proposed by the utility model;

[0022] Figure 3 This is a cross-sectional view of the first crushing roller of a high-efficiency crusher for construction proposed by the utility model;

[0023] Figure 4 for Figure 1 A is an enlarged schematic diagram;

[0024] Figure 5 This is a three-dimensional diagram of a high-efficiency crusher for construction proposed by the utility model.

[0025] Legend:

[0026] 1. Outer shell; 2. Feed hopper; 3. First crushing roller; 4. First rotating shaft; 5. Servo motor; 6. Protective shell; 7. Lower hopper; 8. Reset spring; 9. Support column; 10. Damper; 11. Limit column; 12. Base; 13. Receiving hopper; 14. Fixed column; 15. Screen; 16. Second rotating shaft; 17. Second crushing roller; 18. Limit plate; 19. Shock absorber box; 20. Shock absorber spring; 21. Observation window; 22. Mounting frame; 23. Speed ​​regulating motor; 24. Dial plate; 25. Third rotating shaft. DETAILED DESCRIPTION

[0027] 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.

[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] Please refer to Figure 1-5 A high-efficiency crusher for construction includes a shell 1 and a base 12. A protective shell 6 is arranged above both sides of the shell 1. Several servo motors 5 are installed in the protective shell 6. A pair of first crushing rollers 3 are installed between the upper inner walls of the shell 1, and the first crushing rollers 3 are meshed and connected. A first rotating shaft 4 is connected inside the first crushing roller 3, and one end of the first rotating shaft 4 passes through the shell 1 and is connected to the output end of the servo motor 5. Several second crushing rollers 17 are installed below the first crushing roller 3, and the second crushing rollers 17 are meshed and connected with each other. A second rotating shaft 16 is connected inside the second crushing roller 17, and one end of the second rotating shaft 16 passes through the shell 1 and is connected to the output end of the servo motor 5. A mounting frame is installed in the center of the left side of the shell 1. 22, a speed regulating motor 23 is fixedly installed in the mounting frame 22, a screen 15 is installed on the lower inner wall of the shell 1, a third rotating shaft 25 is arranged above the screen 15, and the left end of the third rotating shaft 25 penetrates the shell 1 and is connected to the output end of the speed regulating motor 23, a shock absorbing box 19 and a damper 10 are symmetrically arranged along the central axis on the top of the base 12, and the top of the shock absorbing box 19 is fixedly connected to the bottom of the shell 1, a limiting plate 18 is arranged on the top wall and the bottom of the shock absorbing box 19, a limiting column 11 is arranged in the center of the bottom of the shell 1, one end of the limiting column 11 penetrates the base 12, and the limiting column 11 is slidably connected to the base 12, and fixed columns 14 are installed at both ends of the base 12, and the fixed column 14 is connected to the shell 1 through a reset spring 8.

[0030] In this embodiment: an observation window 21 is provided on the surface of the housing 1 .

[0031] Specifically, the actual breaking situation can be observed through the observation window 21 .

[0032] In this embodiment: a feed hopper 2 is arranged at the center of the top of the housing 1.

[0033] Specifically, the feeding operation is performed through the feed hopper 2.

[0034] In this embodiment: a plurality of equidistantly spaced shift plates 24 are disposed on the third rotating shaft 25 .

[0035] Specifically, the sand and stones are moved by the shifting plate 24 to prevent the accumulation from affecting the screening.

[0036] In this embodiment: a shock absorbing spring 20 is arranged between the limiting plates 18 .

[0037] Specifically, the shock-absorbing spring is used to reduce the shock of the crusher, thereby reducing the occurrence of a large amount of dust flying when discharging.

[0038] In this embodiment: a lower hopper 7 is installed in the center of the right side of the housing 1.

[0039] Specifically, the crushed unqualified sand and gravel are obtained through the lower hopper 7.

[0040] In this embodiment: support columns 9 are disposed at four corners of the bottom of the base 12 .

[0041] Specifically, the crusher is supported by the support column 9 to stand stably.

[0042] In this embodiment: a receiving hopper 13 is provided at the lower left side of the housing 1 .

[0043] Specifically, qualified crushed sand and gravel are obtained through the receiving hopper 13.

[0044] In this embodiment: the controller is an existing structure, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0045] Working principle: When in use, the servo motor 5 is started to drive the first rotating shaft 4 and the second rotating shaft 16 to rotate, and then the first crushing roller 3 and the second crushing roller 17 are driven to rotate, and the sand and gravel to be crushed are put into the shell 1 from the feed hopper 2. The sand and gravel entering the shell 1 will first pass through the first crushing roller 3 and be crushed by the rotating first crushing roller 3, and then fall to the second crushing roller 17 and be crushed by the second crushing roller 17. After the crushing, the sand and gravel will pass through the screen 15 and be filtered, and the sand and gravel that meet the crushing standard will fall into the shell 1, and is obtained through the receiving hopper 13. The sand and gravel that do not meet the crushing standard will fall through the lower hopper 7, and the sand and gravel obtained from the lower hopper 7 will be put into the feeding hopper 2 again to continue crushing. In addition, the third rotating shaft 25 is driven to rotate by the speed regulating motor 5, and then the paddle 24 on the third rotating shaft 25 is driven to rotate, so that the paddle 24 pokes the sand and gravel in the screen 15 to prevent accumulation. At the same time, in the crushing process, the crusher is shock-absorbing through the shock-absorbing spring 20 and the limit column 11 to reduce a large amount of dust generated by vibration.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-efficiency crusher for construction, comprising a housing (1) and a base (12), characterized in that: A protective shell (6) is provided above both sides of the housing (1), and a plurality of servo motors (5) are installed in the protective shell (6). A pair of first crushing rollers (3) are installed between the upper inner wall of the housing (1), and the first crushing rollers (3) are meshingly connected to each other. A first rotating shaft (4) is connected to the first crushing roller (3), and one end of the first rotating shaft (4) passes through the housing (1) and is connected to the output end of the servo motor (5). A plurality of second crushing rollers (17) are installed below the first crushing roller (3), and the second crushing rollers (17) are meshingly connected to each other. A second rotating shaft (16) is connected to the second crushing roller (17), and one end of the second rotating shaft (16) passes through the housing (1) and is connected to the output end of the servo motor (5). A mounting frame (22) is installed in the center of the left side of the housing (1), and a fixed mounting frame (22) is installed in the mounting frame (22). A speed regulating motor (23) is provided. A screen (15) is installed at the lower part of the inner wall of the shell (1). A third rotating shaft (25) is arranged above the screen (15). The left end of the third rotating shaft (25) penetrates the shell (1) and is connected to the output end of the speed regulating motor (23). A shock absorbing box (19) and a damper (10) are symmetrically arranged on the top of the base (12) along the central axis. The top of the shock absorbing box (19) is fixedly connected to the bottom of the shell (1). A limiting plate (18) is arranged on the inner top wall and the bottom of the shock absorbing box (19). A limiting column (11) is arranged at the center of the bottom of the shell (1). One end of the limiting column (11) penetrates the base (12). The limiting column (11) is slidably connected to the base (12). Fixed columns (14) are installed at both ends of the base (12). The fixed column (14) is connected to the shell (1) through a reset spring (8).

2. A high-efficiency crusher for construction according to claim 1, characterized in that: An observation window (21) is provided on the surface of the housing (1).

3. A high-efficiency crusher for construction according to claim 1, characterized in that: A feed hopper (2) is arranged at the center of the top of the shell (1).

4. A high-efficiency crusher for construction according to claim 1, characterized in that: A plurality of equally spaced shift plates (24) are arranged on the third rotating shaft (25).

5. A high-efficiency crusher for construction according to claim 1, characterized in that: A shock absorbing spring (20) is arranged between the limiting plates (18).

6. A high-efficiency crusher for construction according to claim 1, characterized in that: A lower hopper (7) is installed in the center of the right side of the housing (1).

7. A high-efficiency crusher for construction according to claim 1, characterized in that: Support columns (9) are provided at the four corners of the bottom of the base (12).

8. A high-efficiency crusher for construction according to claim 1, characterized in that: A material receiving hopper (13) is arranged at the lower left side of the housing (1).

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