Construction waste crushing device for construction engineering

Abstract

The utility model discloses a construction waste crushing device for constructional engineering, which comprises a mounting bottom plate, and a multi-section type efficient crushing structure is mounted on the mounting bottom plate; the multi-section type efficient crushing structure comprises a crushing box, a crushing cavity, a pair of rotating shafts, a pair of crushing rollers, a motor support, a first driving motor, a transmission box, a dustproof box and a pre-crushing assembly. The utility model relates to the technical field of constructional engineering equipment, and has the beneficial effects that the problems that the existing construction wastes are large in size, inconvenient to carry and required to be crushed, but the large-size wastes cannot be crushed due to the fact that the conventional crushing equipment is directly used for crushing the wastes and the crushing effect is poor are solved; accumulation and blockage are easily caused, and the use safety of equipment is influenced.

Description

Technical Field

[0001] This utility model relates to the field of construction engineering equipment technology, specifically a construction waste crushing device for construction engineering. Background Technology

[0002] Construction engineering refers to the engineering entity formed by the construction of various buildings and their ancillary facilities, as well as the installation of supporting lines, pipelines, and equipment. During the demolition and renovation of buildings in construction engineering, construction waste such as large pieces of waste concrete and waste bricks are often generated. The existing construction waste is large in size and inconvenient to transport, so it needs to be crushed. However, directly using traditional crushing equipment for crushing is not effective because the waste pieces are large. Large-sized waste cannot be crushed, which can easily cause accumulation and blockage, affecting the safety of equipment use. Utility Model Content

[0003] To achieve the above objectives, this utility model is implemented through the following technical solution: a construction waste crushing device for construction engineering, comprising: a mounting base plate, on which a multi-stage high-efficiency crushing structure is mounted;

[0004] The multi-stage high-efficiency crushing structure includes: a crushing box, a crushing chamber, a pair of rotating shafts, a pair of crushing rollers, a motor bracket, a first drive motor, a transmission box, a dustproof box, and a pre-crushing component;

[0005] The crushing box is installed on the right side of the mounting base plate. The crushing chamber is opened inside the crushing box. A pair of rotating shafts are horizontally embedded in the crushing chamber and extend through at both ends. A pair of crushing rollers are installed on the pair of rotating shafts. The motor bracket is installed on the left side of the crushing box. The first drive motor is installed on the motor bracket. The output end of the first drive motor is connected to one end of the pair of rotating shafts. The transmission box is installed on the right side of the crushing box and connected to the right end of the pair of rotating shafts. The dustproof box is installed on the top of the crushing box. The pre-crushing component is installed on the dustproof box and the mounting base plate.

[0006] Preferably, the crushing chamber is equipped with support legs.

[0007] Preferably, a limit baffle is provided on the mounting base plate.

[0008] Preferably, the first drive motor is mounted on the motor bracket by fixing bolts.

[0009] Preferably, the pre-crushing assembly includes: a crushing frame, a feed hopper, a drive box, a mounting cavity, a transmission crankshaft, a pair of second drive motors, several mounting slots, several spring telescopic rods, and several crushing frames;

[0010] The crushing rack is installed on the left side wall of the dustproof box, the feed hopper is installed at the feed inlet of the crushing rack, the drive box is installed on the upper wall of the crushing rack, the mounting cavity is opened in the upper part of the drive box, the transmission crankshaft is embedded in the mounting cavity, a pair of second drive motors are installed on the front and rear walls of the drive box and their output ends are connected to both ends of the transmission crankshaft, several mounting slots are opened in the lower part of the mounting cavity, several spring telescopic rods are installed in the mounting slots, and several crushing racks are installed on several spring telescopic rods with their lower ends penetrating through the drive box and extending into the interior of the crushing rack.

[0011] Preferably, the drive crankshaft is mounted in the drive housing via a rotary bearing.

[0012] Beneficial effects

[0013] This utility model provides a construction waste crushing device for construction engineering, which has the following beneficial effects: This solution uses a multi-stage high-efficiency crushing structure. On the basis of the traditional double-roller crushing structure, a crushing structure is added. The construction waste is first initially crushed by impact to reduce its volume, and then it is crushed again by crushing rollers to ensure the crushing effect. This solves the problem that existing construction waste is large in size, inconvenient to transport, and needs to be crushed. However, if traditional crushing equipment is used directly, the crushing effect is poor due to the large size of the waste. Large-sized waste cannot be crushed, which can easily cause accumulation and blockage, affecting the safety of equipment use. Attached Figure Description

[0014] Figure 1 This is a left-side three-dimensional structural diagram of a construction waste crushing device for construction engineering described in this utility model.

[0015] Figure 2 This is a right-side perspective three-dimensional structural diagram of a construction waste crushing device for construction engineering according to the present invention.

[0016] Figure 3 This is a left-side perspective three-dimensional structural diagram of the crushing box of a construction waste crushing device for construction engineering described in this utility model.

[0017] Figure 4 This is a side sectional view of the drive box of a construction waste crushing device for construction engineering described in this utility model.

[0018] In the diagram: 1-Mounting base plate; 2-Grinding box; 3-Grinding chamber; 4-Rotating shaft; 5-Grinding roller; 6-Motor bracket; 7-First drive motor; 8-Transmission box; 9-Dustproof box; 10-Support leg; 11-Limit baffle; 12-Fixing bolt; 13-Grinding frame; 14-Feed hopper; 15-Drive box; 16-Mounting chamber; 17-Transmission crankshaft; 18-Second drive motor; 19-Mounting groove; 20-Spring telescopic rod; 21-Crushing frame; 22-Rotating bearing. Detailed Implementation

[0019] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] Example: Please refer to Figure 1-4 This utility model provides a technical solution: a construction waste crushing device for construction engineering. This solution takes into account that most existing crushing equipment is a single roller crushing structure, which cannot crush large pieces of waste during use, easily causing blockage and affecting the service life of the equipment. Based on the above, this invention sets up the following technical means.

[0021] Specifically, this device includes at least a mounting base plate 1, a crushing box 2, a crushing chamber 3, a pair of rotating shafts 4, a pair of crushing rollers 5, a motor bracket 6, a first drive motor 7, a transmission box 8, a dustproof box 9, and a pre-crushing component;

[0022] The pre-crushing assembly includes: a crushing frame 13, a feeding hopper 14, a drive box 15, a mounting cavity 16, a transmission crankshaft 17, a pair of second drive motors 18, several mounting slots 19, several spring telescopic rods 20, and several crushing frames 21.

[0023] The mounting base plate 1 provides overall support for the equipment. During use, the construction waste to be crushed is fed into the crushing frame 13 through the feed hopper 14. The second drive motor 18 starts and drives the transmission crankshaft 17 to rotate on the rotary bearing 22. When the transmission crankshaft 17 rotates, the height difference at different points drives the crushing frame 21 to move up and down alternately with the spring telescopic rod 20 to strike the construction waste. The construction waste is pre-crushed by the impact. The pre-crushed construction waste falls into the crushing box 2 through the dust box 9. At the same time, the first drive motor 7 installed on the motor bracket 6 rotates and drives a pair of rotating shafts 4 to rotate inward in opposite directions with the transmission box 8, thereby driving a pair of crushing rollers 5 to crush the waste a second time. After crushing, the waste is discharged from the discharge port at the bottom of the crushing box 2, thus realizing multi-stage waste crushing.

[0024] More specifically, the crushing box 2 is installed on the right side of the upper wall of the mounting base plate 1, the crushing chamber 3 is opened inside the crushing box 2, a pair of rotating shafts 4 are horizontally embedded in the crushing chamber 3 and extend through at both ends, a pair of crushing rollers 5 are installed on the pair of rotating shafts 4, the motor bracket 6 is installed on the left side of the crushing box 2, the first drive motor 7 is installed on the motor bracket 6, the output end of the first drive motor 7 is connected to one end of the pair of rotating shafts 4, the transmission box 8 is installed on the right side wall of the crushing box 2 and connected to the right end of the pair of rotating shafts 4, the dustproof box 9 is installed on the top of the crushing box 2, and the pre-crushing component is installed on the dustproof box 9 and the mounting base plate 1;

[0025] The crushing frame 13 is installed on the left side wall of the dustproof box 9. The feed hopper 14 is installed at the feed inlet of the crushing frame 13. The drive box 15 is installed on the upper wall of the crushing frame 13. The mounting cavity 16 is opened in the upper part of the drive box 15. The transmission crankshaft 17 is embedded in the mounting cavity 16. A pair of second drive motors 18 are installed on the front and rear walls of the drive box 15 and their output ends are connected to both ends of the transmission crankshaft 17. Several mounting slots 19 are opened below the mounting cavity 16. Several spring telescopic rods 20 are installed in the mounting slots 19. Several crushing frames 21 are installed on several spring telescopic rods 20 and their lower ends penetrate the drive box 15 and extend into the interior of the crushing frame 13.

[0026] In the specific implementation process, furthermore, support legs 10 are installed on the crushing box 2.

[0027] In the specific implementation process, a limit baffle 11 is further provided on the mounting base plate 1.

[0028] In the specific implementation process, the first drive motor 7 is further mounted on the motor bracket 6 by fixing bolts 12.

[0029] In the specific implementation process, the transmission crankshaft 17 is further installed in the drive box 15 via the rotary bearing 22.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A construction and demolition waste crushing device for use in construction engineering, comprising: The installation bottom plate (1) is characterized in that a multi-section high-efficiency crushing structure is installed on the installation bottom plate (1). The multi-section high-efficiency crushing structure comprises a crushing box (2), a crushing cavity (3), a pair of rotating shafts (4), a pair of crushing rollers (5), a motor support (6), a first driving motor (7), a transmission box (8), a dustproof box (9), and a pre-crushing assembly. The crushing box (2) is installed on the right wall of the installation bottom plate (1), the crushing cavity (3) is arranged in the crushing box (2), the pair of rotating shafts (4) are transversely embedded in the crushing cavity (3) and extend out from both ends, the pair of crushing rollers (5) are installed on the pair of rotating shafts (4), the motor support (6) is installed on the left side of the crushing box (2), the first driving motor (7) is installed on the motor support (6), the output end of the first driving motor (7) is connected with one end of the pair of rotating shafts (4), the transmission box (8) is installed on the right wall of the crushing box (2) and connected with the right end of the pair of rotating shafts (4), the dustproof box (9) is installed on the top of the crushing box (2), and the pre-crushing assembly is installed on the dustproof box (9) and the installation bottom plate (1).

2. The construction waste crushing device for construction work according to claim 1, characterized by Supporting legs (10) are installed on the crushing box (2).

3. The construction waste crushing device for construction work according to claim 1, characterized by A limiting baffle (11) is arranged on the installation bottom plate (1).

4. The construction waste crushing device for construction work according to claim 1, characterized by The first driving motor (7) is installed on the motor support (6) through fixing bolts (12).

5. The construction waste crushing device for construction work according to claim 1, characterized by The pre-crushing assembly comprises a crushing frame (13), a feeding hopper (14), a driving box (15), an installation cavity (16), a transmission crankshaft (17), a pair of second driving motors (18), a plurality of installation grooves (19), a plurality of spring telescopic rods (20), and a plurality of crushing frames (21). The crushing frame (13) is installed on the left wall of the dustproof box (9), the feeding hopper (14) is installed at the feeding port of the crushing frame (13), the driving box (15) is installed on the upper wall of the crushing frame (13), the installation cavity (16) is arranged in the driving box (15) at the upper position, the transmission crankshaft (17) is embedded in the installation cavity (16), the pair of second driving motors (18) are installed on the front and rear walls of the driving box (15) and the output ends thereof are connected with both ends of the transmission crankshaft (17), the plurality of installation grooves (19) are arranged below the installation cavity (16), the plurality of spring telescopic rods (20) are installed in the installation grooves (19), and the plurality of crushing frames (21) are installed on the plurality of spring telescopic rods (20) and extend into the crushing frame (13) through the driving box (15).

6. A construction and demolition waste crushing device for use in construction work according to claim 5, characterized in that, The transmission crankshaft (17) is installed in the driving box (15) through a rotating bearing (22).

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