CN219816354U

CN219816354U - Abandoned concrete grinding device

Info

Publication number: CN219816354U
Application number: CN202223562108.9U
Authority: CN
Inventors: 龙钧; 魏强; 杨伟民
Original assignee: Hefei Road And Bridge Project Co ltd
Current assignee: Hefei Road And Bridge Project Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-10-13
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of concrete grinding, and discloses a waste concrete grinding device which comprises a grinding table and a grinding box, wherein the grinding box is fixedly arranged at the upper end of the grinding table, a feed inlet and a discharge outlet are respectively formed in the upper side and the lower side of the grinding box, two grinding rollers are rotatably arranged in the grinding box through a first rotating shaft, a driving mechanism for driving the two grinding rollers to rotate relatively is arranged outside the grinding box, two extrusion plates are arranged in the grinding box, the two extrusion plates are respectively arranged above the two grinding rollers, sharp cones are fixedly arranged on the two opposite sides of the two extrusion plates, and a pushing mechanism for pushing the two extrusion plates to rotate relatively is further arranged in the grinding box. The concrete block crushing machine can automatically crush and crush concrete blocks with larger volume, and then crush the concrete blocks, so that the crushing effect of the crusher on the concrete blocks is improved, and the concrete block crushing machine is convenient for people to use.

Description

Abandoned concrete grinding device

Technical Field

The utility model relates to the technical field of concrete grinding, in particular to a waste concrete grinding device.

Background

Some used concrete on roads and bridges needs to be crushed and transported, the apparent density, the volume weight and the firmness of the recycled aggregate of the waste concrete are lower, and the water absorption rate, the needle-shaped particle content and the crushing index are higher than those of the natural aggregate.

At present, on road and bridge construction sites, old buildings and pavements are often required to be dismantled, and then dismantled concrete blocks are crushed through a crusher so as to be convenient to transport and reuse, however, in the prior art, some dismantled concrete blocks are large in size, and the large-sized concrete blocks are directly put into the crusher, so that the old buildings and pavements are not easy to crush, the working efficiency is affected, and therefore, the waste concrete crushing device is provided.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the volume of a removed concrete block is large, the concrete block with large volume is directly put into a pulverizer, the pulverization is difficult to perform, and the working efficiency is affected, and provides a waste concrete pulverizing device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a waste concrete grinding device, includes crushing platform and crushing case, crushing case is fixed to be set up in the upper end of smashing the platform, and crushing case's upper and lower both sides have seted up feed inlet and discharge gate respectively, crushing case's inside is provided with two crushing rollers through first pivot rotation, crushing case's outside is provided with drives two crushing roller relative pivoted actuating mechanism, crushing case's inside is provided with two stripper plates, two the stripper plate sets up respectively in the top of two crushing rollers, two the equal fixed pointed cone that is provided with in opposite both sides of stripper plate, crushing case's inside still is provided with the relative actuating mechanism of promotion two stripper plates.

Preferably, the driving mechanism comprises a servo motor and two spur gears, wherein the front end of the first rotating shaft extends to the front side of the crushing box, the servo motor is fixedly arranged on the front side of the crushing box, the output end of the servo motor is fixedly connected with the front end of the first rotating shaft through a coupler, the rear ends of the two first rotating shafts all extend to the rear side of the crushing box and are respectively fixedly connected with the two spur gears, and the two spur gears are meshed with each other.

Preferably, the pushing mechanism comprises two cams, two first chain wheels, two second chain wheels and two chains, wherein the two cams are respectively arranged on two opposite sides of the two extrusion plates, the two cams are respectively connected with the front side and the rear side of the crushing box in a rotating way through a second rotating shaft, the rear ends of the two first rotating shafts are respectively fixedly connected with the two first chain wheels, the rear ends of the two second rotating shafts are respectively extended to the rear side of the crushing box and are respectively fixedly connected with the two second chain wheels, the two first chain wheels are respectively mutually driven with the two second chain wheels through the two chains, and a group of reset mechanisms are respectively arranged on two opposite sides of the extrusion plates.

Preferably, each group of reset mechanism comprises a plurality of telescopic links and a plurality of tension springs, the telescopic links are respectively fixedly connected with four corners of one side of the extrusion plate, which is far away from the pointed cone, and the other end of each telescopic link is fixedly connected with the side wall of the crushing box, the tension springs are respectively movably sleeved with the telescopic links, and the two ends of each tension spring are respectively fixedly connected with the extrusion plate and the side wall of the crushing box.

Preferably, a group of sliding blocks are fixedly arranged on the front side and the rear side of each extrusion plate, and a group of sliding grooves for sliding the sliding blocks are formed in the front side and the rear side of each crushing box.

Preferably, two guide plates are fixedly arranged in the feed inlet, and two opposite ends of the two guide plates are arranged in a splayed shape.

Compared with the prior art, the utility model provides a waste concrete grinding device, which has the following beneficial effects:

1. this discarded concrete grinding device, when using, put into crushing case with waiting the concrete piece of smashing, start servo motor, servo motor drives two first pivots through two spur gears and rotates, two first pivots drive two second sprocket rotations through two first sprocket and two chains, two second sprocket drive two cams through two second pivots and rotate, thereby can intermittently promote two stripper plates relative movement, and can continuously apply reverse pulling force to two stripper plates through two sets of telescopic links and two sets of tension springs, can make two stripper plates drive two sets of pointed cone repeated relative movement, be convenient for extrude the crushing to the concrete piece of volume less to the concrete piece of volume great between two stripper plates, then the rethread two crushing rollers smashes the concrete piece after the extrusion crushing.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the concrete blocks with larger volumes can be automatically extruded and crushed, and then the concrete blocks are crushed, so that the crushing effect of the crusher on the concrete blocks is improved, and the concrete blocks are convenient for people to use.

Drawings

FIG. 1 is a schematic diagram showing the front structure of a waste concrete grinding device according to the present utility model;

FIG. 2 is a schematic front sectional view of a waste concrete grinding device according to the present utility model;

FIG. 3 is a schematic view showing a rear structure of a waste concrete grinding device according to the present utility model;

fig. 4 is a schematic side view showing the structure of the pressing plate of the waste concrete grinding apparatus according to the present utility model.

In the figure: 1. a crushing table; 2. a crushing box; 3. a pulverizing roller; 4. an extrusion plate; 5. a pointed cone; 6. a servo motor; 7. spur gears; 8. a cam; 9. a first sprocket; 10. a second sprocket; 11. a chain; 12. a telescopic rod; 13. a tension spring; 14. a slide block; 15. and a material guiding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 4, a waste concrete grinding device comprises a grinding table 1 and a grinding box 2, wherein the grinding box 2 is fixedly arranged at the upper end of the grinding table 1, the upper side and the lower side of the grinding box 2 are respectively provided with a feed inlet and a discharge outlet, two grinding rollers 3 are rotatably arranged in the grinding box 2 through a first rotating shaft, a driving mechanism for driving the two grinding rollers 3 to rotate relatively is arranged outside the grinding box 2, two squeezing plates 4 are arranged in the grinding box 2, the two squeezing plates 4 are respectively arranged above the two grinding rollers 3, the two opposite sides of the two squeezing plates 4 are fixedly provided with sharp cones 5, and a pushing mechanism for pushing the two squeezing plates 4 to rotate relatively is further arranged in the grinding box 2.

As shown in fig. 1-3, the driving mechanism comprises a servo motor 6 and two spur gears 7, wherein the front end of one first rotating shaft extends to the front side of the crushing box 2, the servo motor 6 is fixedly arranged on the front side of the crushing box 2, the output end of the servo motor 6 is fixedly connected with the front end of the first rotating shaft through a coupler, the rear ends of the two first rotating shafts extend to the rear side of the crushing box 2 and are respectively fixedly connected with the two spur gears 7, and the two spur gears 7 are meshed with each other, so that the two crushing rollers 3 can rotate relatively.

As shown in fig. 2 and 3, the pushing mechanism includes two cams 8, two first sprockets 9, two second sprockets 10 and two chains 11, the two cams 8 are respectively disposed on opposite sides of the two extrusion plates 4, and the two cams 8 are respectively rotatably connected with front and rear sides of the crushing box 2 through second rotating shafts, rear ends of the two first rotating shafts are respectively fixedly connected with the two first sprockets 9, rear ends of the two second rotating shafts are respectively extended to rear sides of the crushing box 2 and are respectively fixedly connected with the two second sprockets 10, the two first sprockets 9 are respectively mutually driven with the two second sprockets 10 through the two chains 11, and a group of resetting mechanisms are respectively disposed on opposite sides of the two extrusion plates 4.

As shown in fig. 2, each group of resetting mechanism comprises a plurality of telescopic rods 12 and a plurality of tension springs 13, the telescopic rods 12 are fixedly connected with four corners of one side of the extrusion plate 4, which is far away from the pointed cone 5, the other end of each telescopic rod 12 is fixedly connected with the side wall of the crushing box 2, the tension springs 13 are movably sleeved with the telescopic rods 12, and two ends of each tension spring 13 are fixedly connected with the extrusion plate 4 and the side wall of the crushing box 2.

As shown in fig. 4, a group of sliding blocks 14 are fixedly arranged on the front side and the rear side of each extrusion plate 4, a group of sliding grooves for sliding the sliding blocks 14 are formed in the front side and the rear side of the crushing box 2, and the extrusion plates 4 can be guided to move transversely, so that the extrusion plates 4 are more stable in moving transversely.

As shown in fig. 2, two guide plates 15 are fixedly arranged in the feed inlet, and two opposite ends of the two guide plates 15 are arranged in a splayed shape, so that the concrete blocks can be conveniently guided, and the concrete blocks fall between the two extrusion plates 4.

According to the concrete block crushing device, when the concrete block to be crushed is placed into the crushing box 2, the servo motor 6 is started, the servo motor 6 drives the two first rotating shafts to rotate through the two spur gears 7, the two first rotating shafts drive the two second rotating shafts 10 to rotate through the two first chain wheels 9 and the two chains 11, the two second chain wheels 10 drive the two cams 8 to rotate through the two second rotating shafts, so that the two extrusion plates 4 can be intermittently pushed to move relatively, reverse pulling force can be continuously applied to the two extrusion plates 4 through the two groups of telescopic rods 12 and the two groups of pulling springs 13, the two extrusion plates 4 can drive the two groups of pointed cones 5 to move repeatedly relatively, the concrete block with larger volume between the two extrusion plates 4 can be crushed into the concrete block with smaller volume conveniently, then the crushed concrete block is crushed through the two crushing rollers 3, the concrete block with larger volume can be automatically crushed, and then the crushed effect of the concrete block is improved, and the concrete block crushing device is convenient for people to use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a waste concrete grinding device, its characterized in that, including smashing platform (1) and crushing case (2), crushing case (2) are fixed to be set up in the upper end of smashing platform (1), and feed inlet and discharge gate have been seted up respectively to the upper and lower both sides of smashing case (2), the inside of smashing case (2) is provided with two crushing roller (3) through first pivot rotation, the outside of smashing case (2) is provided with drives two crushing roller (3) relative pivoted actuating mechanism, the inside of smashing case (2) is provided with two stripper plates (4), two stripper plates (4) set up respectively in the top of two crushing roller (3), two the relative both sides of stripper plate (4) are all fixed to be provided with pointed cone (5), the inside of smashing case (2) still is provided with the relative pushing mechanism of promotion two stripper plates (4).

2. A waste concrete grinding device according to claim 1, characterized in that the driving mechanism comprises a servo motor (6) and two spur gears (7), wherein the front end of one first rotating shaft extends to the front side of the grinding box (2), the servo motor (6) is fixedly arranged on the front side of the grinding box (2), the output end of the servo motor (6) is fixedly connected with the front end of the first rotating shaft through a coupling, the rear ends of the two first rotating shafts extend to the rear side of the grinding box (2) and are fixedly connected with the two spur gears (7) respectively, and the two spur gears (7) are meshed with each other.

3. The waste concrete grinding device according to claim 2, wherein the pushing mechanism comprises two cams (8), two first chain wheels (9), two second chain wheels (10) and two chains (11), the two cams (8) are respectively arranged on two opposite sides of the two extrusion plates (4), the two cams (8) are respectively connected with the front side and the rear side of the grinding box (2) in a rotating manner through second rotating shafts, the rear ends of the two first rotating shafts are respectively fixedly connected with the two first chain wheels (9), the rear ends of the two second rotating shafts are respectively extended to the rear side of the grinding box (2) and are respectively fixedly connected with the two second chain wheels (10), the two first chain wheels (9) are respectively mutually driven with the two second chain wheels (10) through the two chains (11), and a group of reset mechanisms are respectively arranged on two opposite sides of the two extrusion plates (4).

4. A waste concrete grinding device according to claim 3, wherein each group of the reset mechanism comprises a plurality of telescopic rods (12) and a plurality of tension springs (13), the telescopic rods (12) are fixedly connected with four corners of one side of the extrusion plate (4) far away from the pointed cone (5), the other end of each telescopic rod (12) is fixedly connected with the side wall of the grinding box (2), the tension springs (13) are movably sleeved with the telescopic rods (12), and two ends of each tension spring (13) are fixedly connected with the extrusion plate (4) and the side wall of the grinding box (2).

5. The waste concrete grinding device according to claim 4, wherein a group of sliding blocks (14) are fixedly arranged on the front side and the rear side of each extrusion plate (4), and a group of sliding grooves for sliding the sliding blocks (14) are formed in the front side and the rear side of the grinding box (2).

6. The waste concrete grinding device according to claim 5, wherein two guide plates (15) are fixedly arranged in the feed inlet, and opposite ends of the two guide plates (15) are arranged in a splayed shape.