CN217830280U - Concrete reducing mechanism - Google Patents

Abstract

The utility model belongs to the technical field of concrete crushing, in particular to a concrete crushing device. The concrete crushing device includes a crushing box, an "L"-shaped scraper is fixedly connected to the outer wall of the crushing box, and a filter box is set on the outside of the crushing box. One side of the filter box is fixedly connected with a motor, and the driving end of the motor is fixedly connected with an internal gear, and the outer side of the internal gear is meshed with several external gears, and several connecting rods run through one side of the crushing box, There are several crushing wheels inside the crushing box; through the internal gear, external gear, connecting rod, crushing wheel, crushing box and "L" type scraper, the concrete block is crushed and the concrete block that does not meet the standard is quickly recovered. It is a component for secondary crushing in the crushing box, so that the device can prevent the larger concrete fines from clogging the filter screen and affecting the filtering effect, thereby improving the crushing efficiency and filtration efficiency of concrete blocks.

Description

A concrete crushing device

technical field

The utility model belongs to the technical field of concrete crushing, in particular to a concrete crushing device.

Background technique

With the increasing expansion of our country's infrastructure, the use of concrete is becoming more and more extensive. However, when a large amount of concrete is used, a lot of construction waste will also be generated. Construction waste not only pollutes the surrounding environment, but also wastes resources. The existing construction waste The treatment is usually to crush it into fine materials for recovery, so that the later processing and utilization, after crushing the concrete blocks, usually the crushed concrete blocks are filtered through the sieve plate to the crushed concrete fines , and when filtering the concrete fragments, there will be concrete blocks that have not been sufficiently crushed in the crushing device, and they will be filtered on the net for filtering them, because their volume is larger than the standard for crushing them by the user. Therefore, it will not be able to pass through the filter screen. In the long run, the larger fragments will cause the filter screen for filtering the concrete fines to be blocked, which will affect the recovery efficiency of the device for the concrete fines, and it will not be able to quickly remove the clogged filter screen. The fragments are quickly returned to the crushing device for secondary crushing, which affects work efficiency.

Utility model content

The utility model provides a concrete crushing device, which solves the problem that large concrete fine materials will block the filter screen and affect the filtering effect, and the fine materials that do not meet the standard can not be quickly reflowed for secondary crushing.

The utility model provides the following technical scheme: comprising a crushing box, the top of the crushing box is provided with a material inlet, the outer wall of the crushing box is fixedly connected with an "L"-shaped scraper, and the outer side of the crushing box is provided with a filter box. One side of the filter box is fixedly connected with a motor, and the driving end of the motor is fixedly connected with an internal gear, and the outer side of the internal gear is meshed with several external gears, and the centers of several external gears are fixedly connected with connecting rods. The connecting rods all pass through one side of the crushing box, and several crushing wheels are arranged inside the crushing box, and the connecting rods are fixedly connected with the crushing wheels.

Wherein, the two sides of the crushing box are provided with limiting rings, and the inner wall of the filter box is provided with limiting grooves for limiting the limiting rings.

Wherein, the internal gear is fixedly connected to one side of the crushing box, several external gears are rotatably connected to the crushing box, and the connecting rod is rotatably connected to the external gear.

Wherein, the inner wall of the crushing box is provided with crushing cutter heads for assisting several crushing wheels in crushing concrete, and the outer side of the "L"-shaped scraper is attached to the inner wall of the filter box.

Wherein, the bottom of the filter box is provided with a discharge port, and the inner wall of the discharge port is fixedly connected with a filter screen for filtering concrete fragments.

Wherein, the bottom of the filter box is fixedly connected with a support bar for supporting the filter box, and the bottom of the support bar is fixedly connected with a support seat, and there is a set between the support seat and the filter box for crushing concrete. Conveyor belt for transferring blocks.

The beneficial effect of the utility model is that the concrete block is crushed by the internal gear, the external gear, the connecting rod, the crushing wheel, the crushing box and the "L" type scraper, and the unqualified concrete block is quickly recycled to the crushing box. The secondary pulverization component is used in the device, so that the device can prevent the large concrete fines from clogging the filter screen and affecting the filtration effect, thereby improving the pulverization efficiency and filtration efficiency of the concrete block.

The parts not involved in the device are the same as the prior art or can be realized by adopting the prior art.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of pulverizing box in the utility model;

Fig. 3 is the sectional structure schematic diagram of filter box in the utility model;

Fig. 4 is a side view of the crushing box in the utility model.

In the figure: 1, crushing box; 11, material inlet; 12, "L" type scraper; 13, crushing cutter head; 14, limit ring; 2, filter box; 21, limit groove; 22, discharge 23, filter screen; 3, motor; 31, internal gear; 32, external gear; 33, connecting rod; 34, crushing wheel; 4, support seat; 41, support rod; 5, conveyor belt.

Detailed ways

Please refer to Fig. 1-Fig. 4, the utility model provides the following technical solutions: comprising a crushing box 1, the top of the crushing box 1 is provided with a material inlet 11, the outer wall of the crushing box 1 is fixedly connected with an "L" type scraper 12, and the crushing box 1 The outside is covered with a filter box 2, one side of the filter box 2 is fixedly connected with a motor 3, the drive end of the motor 3 is fixedly connected with an internal gear 31, and the outer side of the internal gear 31 is meshed with several external gears 32, and the centers of several external gears 32 are Fixedly connected with connecting rods 33, several connecting rods 33 all run through one side of the crushing box 1, and several crushing wheels 34 are arranged inside the crushing box 1, and the connecting rods 33 are fixedly connected with the crushing wheels 34.

In this embodiment: the concrete blocks that need to be crushed are dropped into the crushing box 1 through the feed port 11. When the concrete blocks are dropped into the crushing box 1, the concrete blocks will be crushed under the action of the crushing wheel 34, and crushed. The wheel 34 is fixedly connected with the external gear 32 located outside the crushing box 1 through the connecting rod 33, driven by the rotation of the external gear 32 to crush the concrete block, and the rotation of the external gear 32 is through the internal gear meshed with it. 31 is driven by the rotation, when the internal gear 31 rotates under the action of the motor 3, since the external gear 32 is located outside the internal gear 31 and the outer circumference is smaller than the internal gear 31, the rotation period of the internal gear 31 is shorter than that of the external gear 32 rotates a cycle, and because the internal gear 31 is fixedly connected to one side of the crushing box 1, when the internal gear 31 rotates to drive the external gear 32 to rotate so that the crushing wheel 34 rotates in the crushing box 1 to crush the concrete blocks, The crushing box 1 will rotate synchronously with the internal gear 31, and since only the top is provided with the feeding port 11 for discharging, only when the crushing box 1 is driven by the internal gear 31 to rotate the position of the feeding port 11 to the bottom , the concrete blocks located inside the crushing box 1 can be discharged into the filter box 2 through the feed port 11 after being processed by the crushing wheel 34, and the processed concrete blocks form concrete fines, and the concrete fines It will be filtered to the bottom of the filter box 2, and because the concrete fines have not been effectively crushed, their volume has not reached the standard for crushing and recycling, and they cannot be effectively discharged from the bottom of the filter box 2, resulting in volume Larger concrete fines reduce the filtering effect at the bottom of the filter box 2, resulting in clogging, while the "L"-shaped scraper 12 on the outside of the crushing box 1 can continue to rotate when the feed port 11 rotates to the bottom At the same time, it will drive the "L"-shaped scraper 12 to continue to rotate, and the "L"-shaped scraper 12 is attached to the inner wall of the filter box 2. When the crushing box 1 rotates, the "L"-shaped scraper 12 is located at the inlet 11, the "L"-shaped scraper 12 can recover the larger fine material into the "L"-shaped scraper 12, when the "L"-shaped scraper 12 rotates to the top, the "L"-shaped scraper 12 The fine material in 12 will fall into the crushing box 1 through the feed port 11 for secondary crushing, so that the device can continue to crush, and it is not necessary to work on it separately when recycling the fine material that does not meet the standard. Therefore, the crushing efficiency of the device will not be interrupted, and the working efficiency of the device is improved.

Both sides of the crushing box 1 are provided with a limit ring 14, and the inner wall of the filter box 2 is provided with a limit groove 21 for limiting the limit ring 14; 14 and the limit groove 21 set on the inner wall of the filter box 2 form a supporting component for the crushing box 1, so that the crushing box 1 can rotate above the bottom of the inner wall of the filter box 2, and the fine materials are successfully discharged into the filter box 2 Inside.

The internal gear 31 is fixedly connected with one side of the crushing box 1, several external gears 32 are rotationally connected with the crushing box 1, and the connecting rod 33 is rotationally connected with the external gear 32; the internal gear 31 is fixedly connected with one side of the crushing box 1, when the internal gear 31 rotates to drive the external gear 32 to rotate so that the crushing wheel 34 rotates in the crushing box 1. When crushing the concrete block, the crushing box 1 will rotate synchronously with the internal gear 31, and because only the top is opened with a material inlet 11. Only when the crushing box 1 is driven by the internal gear 31 and the position of the feed port 11 is rotated to the bottom, the concrete block inside the crushing box 1 can pass through the feed port 11 after being processed by the crushing wheel 34. The crushed concrete blocks are discharged into the filter box 2.

The inner wall of the crushing box 1 is provided with a crushing cutter head 13 for assisting several crushing wheels 34 to crush concrete, and the outer side of the "L" shaped scraper 12 fits with the inner wall of the filter box 2; when the crushing box 1 is driven by the inner gear 31 When turning down, the crushing cutter head 13 on its inner wall can assist the internal gear 31 to crush the concrete blocks outside the internal gear 31, so that the device can crush the concrete blocks more comprehensively. The inner walls are attached to each other, so that it can effectively recover the fine materials that cannot be filtered out on the inner wall of the filter box 2 into the crushing box 1 for secondary crushing.

The bottom of the filter box 2 is provided with a discharge port 22, and the inner wall of the discharge port 22 is fixedly connected with a filter screen 23 for filtering concrete fragments; The material is discharged, and the fine material whose volume does not reach the standard cannot be discharged from the filter box 2.

The bottom of the filter box 2 is fixedly connected with a support bar 41 for supporting the filter box 2, and the bottom of the support bar 41 is fixedly connected with a support seat 4, and a conveyor belt for transporting concrete fragments is provided between the support seat 4 and the filter box 2 5; The support bar 41 fixedly connected on the support base 4 lifts the filter box 2 to a certain height, which is provided for the conveyor belt 5 provided at the bottom of the filter box 2. When the qualified fine material is filtered out through the filter screen 23, it can pass through the conveyor belt 5 Convey the fines.

The working principle and application process of the utility model: the internal gear 31 is fixedly connected to one side of the crushing box 1, when the internal gear 31 rotates to drive the external gear 32 to rotate, so that the crushing wheel 34 rotates in the crushing box 1 to crush the concrete block , the crushing box 1 will rotate synchronously with the internal gear 31, and since only the top is provided with the feeding port 11 for discharging, only when the crushing box 1 is driven by the internal gear 31 will the position of the feeding port 11 be rotated to the bottom At this time, the concrete blocks located inside the crushing box 1 can be discharged into the filter box 2 through the feed port 11 after being processed by the crushing wheel 34, and the processed concrete blocks form concrete fines, and the concrete fines The material will be filtered to the bottom of the filter box 2, and because the concrete fine material has not been effectively crushed, its volume has not reached the standard that needs to be crushed and recovered, and it cannot be effectively discharged from the bottom of the filter box 2, thus appearing Larger concrete fines reduce the filtering effect at the bottom of the filter box 2, resulting in clogging. The "L"-shaped scraper 12 can recover the larger fines into the "L"-shaped scraper 12, when When the "L"-shaped scraper 12 rotates upward, the fine material in the "L"-shaped scraper 12 will fall into the crushing box 1 through the feeding port 11 for further crushing.

Claims (6)

1. A concrete crushing device, characterized in that: it comprises a crushing box, the top of the crushing box is provided with a material inlet, the outer wall of the crushing box is fixedly connected with an "L" type scraper, and the outside of the crushing box is covered with a A filter box, one side of the filter box is fixedly connected with a motor, the drive end of the motor is fixedly connected with an internal gear, and the outer side of the internal gear is meshed with several external gears, and the centers of several external gears are fixedly connected with a connection A plurality of connecting rods all pass through one side of the crushing box, and several crushing wheels are arranged inside the crushing box, and the connecting rods are fixedly connected with the crushing wheels. 2. A concrete crushing device according to claim 1, characterized in that: limit rings are provided on both sides of the crushing box, and a limit ring for limiting the limit ring is provided on the inner wall of the filter box. groove. 3. A concrete crushing device according to claim 1, characterized in that: said internal gear is fixedly connected to one side of said crushing box, several said external gears are rotationally connected to said crushing box, said connection A rod is rotatably connected with the external gear. 4. A concrete crushing device according to claim 1, characterized in that: the inner wall of the crushing box is provided with a crushing cutter head for assisting several crushing wheels to crush concrete, and the "L" shaped scraper The outer side of the plate is attached to the inner wall of the filter box. 5 . The concrete crushing device according to claim 1 , wherein a discharge port is provided at the bottom of the filter box, and a filter screen for filtering concrete fragments is fixedly connected to the inner wall of the discharge port. 6 . 6. A concrete crushing device according to claim 1, characterized in that: the bottom of the filter box is fixedly connected with a support rod for supporting the filter box, and the bottom of the support rod is fixedly connected with a support seat, A conveyor belt for transporting concrete fragments is provided between the support seat and the filter box.

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