CN117563751A - Crushing equipment for building engineering - Google Patents

Abstract

The invention relates to the technical field of building construction and discloses crushing equipment for building engineering, which comprises a crushing hopper, wherein an upper-stage screening mechanism and a lower-stage screening mechanism are arranged below the crushing hopper in a conducting manner; wherein the screening mechanism positioned above is connected with a material lifting mechanism in a conducting way, and the outlet end of the material lifting mechanism is connected with the crushing hopper in a conducting way; one side of the screening mechanism positioned below is provided with a coarse material outlet, the screening mechanism positioned below is connected with a grinding mechanism in a conducting way, and a fine material outlet is arranged below the grinding mechanism; when the material lifting mechanism works, the screening mechanism and the grinding mechanism are driven to operate at the same time; the invention can realize multi-stage screening preparation in the sand making process, ensure the effect of finished products with different particle sizes and improve the sand making efficiency.

Description

A kind of crushing equipment for construction engineering

Technical field

The invention relates to the technical field of construction, and in particular to a crushing equipment for construction projects.

Background technique

Due to the long regeneration cycle of sand, its storage capacity is also becoming scarce with the large amount of consumption every year. In the construction process, sand is usually an indispensable material. Therefore, in order to reduce the overuse of existing sand resources, people The search began to crush construction waste to meet the demand for sand during construction. The existing crushing of construction waste requires a sand making machine, but the traditional crushing equipment has poor crushing effect on construction waste. The particles of the final crushed materials are usually larger, and there is a lack of two-level production of coarse and fine finished products when making sand. Without access to the screening structure, the sand making operation is more difficult, resulting in sand making taking a long time and low work efficiency.

Contents of the invention

The purpose of the present invention is to provide a crushing equipment for construction engineering, which can realize multi-stage screening and production in the sand making process, ensure the effect of finished products with different particle sizes, and improve the sand making efficiency.

The present invention adopts the following technical solutions:

A kind of crushing equipment for construction engineering, including a crushing bucket. An upper and lower two-stage screening mechanism is electrically connected below the crushing bucket. The screening mechanism located above is electrically connected to a material lifting mechanism. The material lifting mechanism The outlet end of the crushing bucket is connected to the crushing bucket; a coarse material outlet is provided on one side of the screening mechanism located below, and a grinding mechanism is connected to the screening mechanism located below, and a grinding mechanism is provided below the grinding mechanism. Fine material outlet; wherein, when the material lifting mechanism works, the screening mechanism and the grinding mechanism are simultaneously driven to operate.

Preferably, both the upper and lower screening mechanisms include enclosures, the upper and lower enclosures are electrically connected, and the upper enclosure is electrically connected to the crushing bucket; Screens are coaxially rotatable, and each screen is provided with a toggle plate; the enclosure located above is in communication with the inlet end of the material lifting mechanism, and the coarse material outlet is provided on said enclosure located below.

Preferably, the screen has a conical structure.

Preferably, the material lifting mechanism includes an installation cover provided on one side of the crushing bucket, and a screw conveyor driven by a motor is provided in the installation cover.

Preferably, the screw conveyor is driven by a motor, a first transmission component is provided on the rotating shaft of the screw conveyor, the first transmission component is connected to the rotating shaft, and the screen is arranged on the rotating shaft. .

Preferably, the first transmission component is a first synchronization wheel arranged on the rotating shaft of the screw conveyor, and a second synchronizing wheel arranged on the rotating shaft. The first synchronizing wheel and the third synchronizing wheel are arranged on the rotating shaft of the screw conveyor. The two synchronizing wheels are connected by a conveyor belt.

Preferably, the rotation shaft and the grinding mechanism are connected through a second transmission component.

Preferably, the second transmission component includes a driving gear provided on the rotating shaft and a driven gear provided on the grinding mechanism, and the driving gear and the driven gear are engaged in transmission.

Preferably, the grinding mechanism includes a protective sleeve that is in communication with the screen below, a grinding barrel is disposed inside the protective sleeve, and the driven gear is disposed on the grinding barrel.

Preferably, both the grinding barrel and the protective sleeve have a tapered structure, and the inner wall of the protective sleeve and the outer wall of the grinding barrel have a rough surface structure; the fine material outlet is provided below the protective sleeve.

Compared with the prior art, the beneficial effects of the present invention are: by arranging a two-stage screening mechanism below the crushing bucket, the present invention can realize two-stage screening of raw materials, and can obtain crushed finished products of different particle sizes, thereby enhancing the efficiency of the present invention. Practicality; the connection setting between the lifting mechanism and the screening mechanism can lift larger particles into the crushing bucket for re-crushing, ensuring the quality of the finished product; in addition, the synchronous operation of the lifting mechanism, screening mechanism and grinding mechanism can achieve Multi-station collaborative work greatly improves work efficiency.

Description of the drawings

Figure 1 is a schematic structural diagram of an embodiment of the present application;

Figure 2 is a top view of the screen according to the embodiment of the present application.

Detailed ways

The present invention will be clearly and completely described below in conjunction with the accompanying drawings and examples:

As shown in Figures 1 to 2, the crushing equipment for construction engineering according to the present invention includes a crushing bucket 1. A crushing mechanism is provided in the crushing bucket 1. The crushing mechanism is a crushing roller commonly used in the prior art. The crushing bucket 1. The lower conduction is equipped with an upper and lower two-stage screening mechanism, which is used to screen the crushed materials. The upper and lower stages of the screening mechanism have different screening particle sizes. The upper screening mechanism is used to screen large particles. material, the screening mechanism located below is used to screen small particle materials; the screening mechanism located above is connected to a material lifting mechanism, the outlet end of the material lifting mechanism is connected to the crushing bucket 1, and the material lifting mechanism can The large-grained materials screened out by the screening mechanism are lifted into the crushing bucket 1 for re-crushing to ensure the quality of the finished product; a coarse material outlet 2 is provided on one side of the screening mechanism below, which is used to screen out the large-grain materials from the screening mechanism below. Large particle materials are thrown out to complete the collection of coarse particle materials, and the screening mechanism located below is connected to a grinding mechanism, and a fine material outlet 3 is provided below the grinding mechanism to discharge the ground fine materials; among them, when When the material lifting mechanism is working, it also drives the screening mechanism and grinding mechanism to operate, ensuring the coordinated work of each mechanism and improving work efficiency.

Furthermore, the upper and lower screening mechanisms both include enclosures 4. The upper and lower enclosures 4 are electrically connected, and the upper enclosure 4 is electrically connected to the bottom of the crushing bucket 1; both enclosures 4 are coaxially connected. A rotating screen 5 is provided. The aperture of the upper screen 5 is larger than the aperture of the lower screen 5. The screen 5 is preferably arranged in a conical structure to better realize the screening operation of materials; each screen 5 There are toggle plates 6 on both sides, with the center of the screen 5 as the axis, and multiple toggle plates 6 are arranged at intervals along the circumferential direction; among them, the upper enclosure 4 is connected to the inlet end of the material lifting mechanism, and the coarse material outlet 2 is set on the enclosure 4 located below. During operation, the materials crushed by the crushing bucket 1 fall onto the upper screen 5. At this time, as the screen 5 and the toggle plate 6 rotate, the materials are driven to rotate. Under the action of centrifugal force, the materials flow from the upper layer. The middle position of the enclosure 4 is spread outward. During this process, materials with a particle size smaller than the upper screen 5 fall onto the lower screen 5, and materials with a particle size larger than the upper screen 5 pass through the material under the action of centrifugation. The channel between the lifting mechanism and the enclosure 4 enters the material lifting mechanism. The material lifting mechanism lifts the material into the crushing bucket 1 for crushing again to ensure crushing efficiency and finished product quality; it is screened to the lower screen 5 As the screen 5 and the toggle plate 6 rotate, the materials on the top will be spread on the lower screen 5. Materials with a particle size smaller than the lower screen 5 will enter the grinding mechanism, and materials with a particle size larger than the lower screen 5 will enter the grinding mechanism. It is discharged from the coarse material outlet 2.

Further, the material lifting mechanism includes an installation cover 7 arranged on one side of the crushing bucket 1. A screw conveyor 9 driven by a motor 8 is provided in the installation cover 7. The bottom end of the installation cover 7 is provided with a conductive device that communicates with the upper enclosure 4. The feed port is provided with a discharge port at the top; specifically, the screw conveyor 9 is driven by the motor 8, and a first transmission component is provided on the rotating shaft of the screw conveyor 9. The first transmission component is connected to the rotating shaft 10, and the screen 5 is arranged on the rotating shaft 10; the first transmission component can be a transmission structure such as gear transmission, chain transmission or belt transmission; in this embodiment, a belt transmission is adopted; preferably, the first transmission component is provided on the screw conveyor 9. The first synchronizing wheel 11 on the rotating shaft, and the second synchronizing wheel 12 provided on the rotating shaft 10. The first synchronizing wheel 11 and the second synchronizing wheel 12 are connected by a conveyor belt 13. When working, driven by the motor 8 Next, the screw conveyor 9 works and drives the rotating shaft to rotate through the conveyor belt 13, thereby realizing the rotating screening operation of the screen 5. The rotating shaft is rotated on the protective cover 14. The first synchronous wheel 11, the second synchronous wheel 12 and the conveyor belt 13 are all located in the protective cover 14; they can be effectively protected; the protective cover 14 is installed on the crushing bucket 1 and Install the cover 7 on the mounting bracket 20.

Further, the rotating shaft 10 and the grinding mechanism are connected through a second transmission component to ensure that when the rotating shaft 10 rotates, the grinding mechanism is driven to perform the grinding operation synchronously. The second transmission component can also be a transmission structure such as gear transmission, chain transmission, or belt transmission; the second transmission component used in this embodiment includes a driving gear 15 provided on the rotating shaft 10, and a driven gear 15 provided on the grinding mechanism. The gear 16, the driving gear 15 and the driven gear 16 are meshed and driven to drive the grinding mechanism to perform grinding work. Specifically, the grinding mechanism in this embodiment includes a protective cover 17. The protective cover 17 is electrically connected to the enclosure 4 located below through a deflector 18. A grinding barrel 19 is provided in the protective cover 17, and a driven gear 16 is provided in the protective cover 17. On the grinding barrel 19; specifically, the grinding barrel 19 and the protective sleeve 17 both have a tapered structure with a large upper end and a small lower end, which can improve the effect of refining the material; the inner wall of the protective sleeve 17 and the outer wall of the grinding barrel 19 are both rough surfaces structure to increase the grinding strength of the material; in addition, the fine material outlet 3 is arranged below the protective cover 17 and connected to the mounting frame 20, and the fine material outlet 3 is arranged at an angle so that the ground fine materials can be discharged in an orderly manner through the fine material outlet 3 .

When the invention is working, the material is first added from the feed port of the crushing bucket 1, and the raw materials are initially crushed under the operation of the crushing mechanism in the crushing bucket 1. When the crushing mechanism is working, the motor 8 drives the screw conveyor 9 to work at the same time. At the same time, the first synchronization wheel 11 and the second synchronization wheel 12 both work simultaneously to drive the rotating shaft to rotate. The rotation of the rotating shaft drives the driving gear 15 to mesh with the driven gear 16 to rotate, and then drives the grinding barrel 19 to rotate to realize the grinding operation;

The materials crushed by the crushing mechanism fall onto the upper screen 5. The materials on the upper screen 5 rotate as the screen 5 rotates. Under the action of centrifugal force, the materials spread from the middle position of the upper screen 5 to the outside. , during this process, materials with smaller particle sizes fall to the screen 5 below, and materials with larger particle sizes fall to the feed port of the screw conveyor 9 due to centrifugal action, and are lifted by the screw conveyor 9 to drive the materials up to Returns to the dropping hopper for re-crushing; the material falling from the upper screen 5 to the lower screen 5 is driven to rotate by the cooperation of the lower screen 5 and the toggle plate 6, and the material is rotated and spread under the action of centrifugal force Open on the lower screen 5, and then the materials with smaller particle sizes fall from the lower screen 5, and the materials with larger particle sizes are discharged outward from the coarse material outlet 2 under the centrifugal action of the rotation of the lower screen 5;

Finally, the material falling from the lower screen 5 falls into the conical protection under the action of the deflector 18, and then the material is rotated, rubbed and extruded under the rotation of the conical grinding barrel 19, and the extruded and broken small particles are The granular material is discharged from the lower end of the gap between the conical protective sleeve 17 and the conical grinding barrel 19 to the fine material outlet 3, and is discharged from the fine material outlet 3.

Claims (10)

1. Crushing equipment for building engineering, its characterized in that: the device comprises a crushing hopper, wherein an upper-stage screening mechanism and a lower-stage screening mechanism are arranged below the crushing hopper in a conducting manner; wherein the screening mechanism positioned above is connected with a material lifting mechanism in a conducting way, and the outlet end of the material lifting mechanism is connected with the crushing hopper in a conducting way; one side of the screening mechanism positioned below is provided with a coarse material outlet, the screening mechanism positioned below is connected with a grinding mechanism in a conducting way, and a fine material outlet is arranged below the grinding mechanism; when the material lifting mechanism works, the screening mechanism and the grinding mechanism are driven to operate.

2. The crushing plant for construction engineering according to claim 1, characterized in that: the screening mechanisms at the upper stage and the lower stage comprise surrounding blocks, the upper surrounding block and the lower surrounding block are connected in a conducting way, and the surrounding blocks positioned above are communicated with the crushing hopper; a screen is coaxially and rotatably arranged in each of the two enclosing baffles, and each screen is provided with a poking plate; wherein the enclosure located above is communicated with the inlet end of the material lifting mechanism, and the coarse material outlet is arranged on the enclosure located below.

3. The crushing plant for construction engineering according to claim 2, characterized in that: the screen mesh is of a conical structure.

4. The crushing plant for construction engineering according to claim 2, characterized in that: the material lifting mechanism comprises a mounting cover arranged on one side of the crushing hopper, and a screw conveyor driven by a motor is arranged in the mounting cover.

5. The crushing plant for construction engineering according to claim 4, wherein: the screw conveyor is driven by a motor, a first transmission assembly is arranged on a rotating shaft of the screw conveyor, the first transmission assembly is connected with the rotating shaft, and the screen is arranged on the rotating shaft.

6. The crushing plant for construction engineering according to claim 5, wherein: the first transmission assembly is a first synchronous wheel arranged on the rotating shaft of the screw conveyor and a second synchronous wheel arranged on the rotating shaft, and the first synchronous wheel and the second synchronous wheel are connected through a conveying belt.

7. The crushing plant for construction engineering according to claim 5, wherein: the rotating shaft is connected with the grinding mechanism through a second transmission assembly.

8. The crushing plant for construction engineering according to claim 7, characterized in that: the second transmission assembly comprises a driving gear arranged on the rotating shaft and a driven gear arranged on the grinding mechanism, and the driving gear and the driven gear are in meshed transmission.

9. The crushing plant for construction engineering according to claim 7, characterized in that: the grinding mechanism comprises a protective sleeve which is communicated with the screen below, a grinding barrel is arranged in the protective sleeve, and the driven gear is arranged on the grinding barrel.

10. The crushing plant for construction engineering according to claim 9, characterized in that: the grinding barrel and the protective sleeve are of conical structures, and the inner wall of the protective sleeve and the outer wall of the grinding barrel are of rough surface structures; the fine material outlet is arranged below the protective sleeve.