CN214864250U

CN214864250U - Concrete waste recovery device for civil engineering

Info

Publication number: CN214864250U
Application number: CN202120376058.1U
Authority: CN
Inventors: 魏武强; 徐晓燕
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-26
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a concrete waste recovery device for civil engineering has improved the problem that concrete waste recovery still must improve among the prior art. The utility model comprises a hopper, a frame, a pre-crushing device, a multi-stage crushing device, a power device and a conveyer belt, wherein the hopper is positioned above the frame, the pre-crushing device is arranged at the upper half part of the frame, the multi-stage crushing device is arranged at the lower half part of the frame, the power device is arranged at the bottom part of the frame, the conveyer belt is arranged below the frame, and the pre-crushing device and the multi-stage crushing device are respectively connected with the output end of the power device through belt transmission; the pre-crushing device comprises a crushing licker-in and a vibrating flakeboard, wherein the crushing licker-in and the vibrating flakeboard are both arranged on the rack, a vibrating motor is arranged inside the vibrating flakeboard, and the lower part and the rear part of the vibrating flakeboard are respectively connected to the rack through pushing springs. The technology vibrates the concrete waste between the teeth and the crushing licker-in on the crushed aggregates board to generate the impact direction and the force of uncertain track, and the crushing efficiency is high.

Description

Concrete waste recovery device for civil engineering

Technical Field

The utility model relates to a construction equipment in civil engineering field especially relates to a concrete waste recovery device for civil engineering.

Background

The concrete is the most important material in civil construction engineering, and the waste concrete is simply mechanically crushed, ground or calcined and then recycled, so that the environmental protection recycling is realized, and the national policy and policy guidelines are met. The crushing and recycling process is simple, the treatment cost is relatively low, and the popularization requirement of the national waste concrete technology is met. Most of the existing concrete waste recovery devices rely on hammering or rigid extrusion, vibration and noise are obvious in the working process, meanwhile, dust pollution is serious due to open operation, and operation is inconvenient to carry out in places with strict environmental requirements. The hard striking causes the easy damage of the position with larger stress of the whole device, and the later maintenance cost is higher.

The concrete fragments obtained from the residual engineering waste residues generated in the construction of some house demolitions or building sites have low strength, can not be used in key parts influencing the engineering, and can only be used in engineering parts with lower requirements, such as occasions for filling seashores, serving as foundation mats of roads and buildings, leveling land and the like.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes concrete waste recycling still must improve the problem among the prior art, provides a rational in infrastructure, uses efficient concrete waste recycling device for civil engineering.

The technical solution of the utility model is that, a concrete waste recovery device for civil engineering with following structure is provided: the automatic crusher comprises a hopper, a rack, a pre-crushing device, a multi-stage crushing device, a power device and a conveying belt, wherein the hopper is positioned above the rack, the pre-crushing device is arranged at the upper half part of the rack, the multi-stage crushing device is arranged at the lower half part of the rack, the power device is arranged at the bottom of the rack, the conveying belt is arranged below the rack, and the pre-crushing device and the multi-stage crushing device are respectively connected with the output end of the power device through belt transmission; the pre-crushing device comprises a crushing licker-in and a vibrating flakeboard, wherein the crushing licker-in and the vibrating flakeboard are both arranged on the rack, a vibrating motor is arranged inside the vibrating flakeboard, and the lower part and the rear part of the vibrating flakeboard are respectively connected to the rack through pushing springs.

Preferably, the working surface of the vibrating flakeboard is an inclined surface on which a plurality of rows of teeth are arranged, and tips of the teeth are distributed obliquely upwards.

Preferably, the multistage crushing device is divided into a first-stage crushing roller device and a second-stage crushing roller device, the first-stage crushing roller device comprises two first-stage crushing rollers which move relatively, the two first-stage crushing rollers are connected through a gear, one of the gears is connected with the output end of the power device through a belt pulley which is coaxially arranged, and the first-stage crushing roller is provided with longitudinal teeth and transverse teeth; the second-stage crushing roller device comprises two second-stage crushing rollers which move relatively, the two second-stage crushing rollers are connected through a gear, one gear is connected with the output end of the power device through a belt pulley which is coaxially arranged, and the second-stage crushing rollers are provided with longitudinal teeth and transverse teeth.

Preferably, the power device comprises a motor, a speed reducer and a belt pulley, and the motor drives the crushing licker-in, the primary crushing roller and the secondary crushing roller through the speed reducer and the belt pulley.

Preferably, the upper half part of the rack is provided with a mist making spray head, a spray nozzle of the mist making spray head faces the inside of the rack, and the outside of the mist making spray head is connected with a water source through a pipeline.

Preferably, a material gathering slope and a blanking inclined tube are arranged below the crushing licker-in, wherein the lower part of the material gathering slope is close to the feeding port of the blanking inclined tube, and the discharging port of the blanking inclined tube is positioned above the feeding port of the primary crushing roller device.

Compared with the prior art, the utility model discloses concrete waste recovery device for civil engineering has following advantage: the vibrating particle board can flexibly contact with the rack to realize vibration under the soft connection condition, an irregular impact route can be generated according to impact load in the vibration process, the impact direction and force of an uncertain track can be generated on the concrete waste between the teeth and the crushing licker-in on the vibrating particle board, the direction, the position and the length of the crushing licker-in on the crushing licker-in are irregular, the crushing licker-in rotates, a certain crushing effect can be formed in the rotation process, and therefore the impact stress in the pre-crushing stage is also irregular.

In the pre-crushing stage, the periodic vibration impact replaces the conventional hammering or rigid extrusion force application mode, so that the energy consumption problem in the force application process of the crushing part is solved, and the violent force of the crushing force is changed into the skillful force. Tooth is equal to the borer that artifical broken in-process used, vibrates the flakeboard and is equal to the hammer that the dynamics is not injectd, and the dynamics size and the direction selection of hammering in-process depend on unstable gesture and the displacement of concrete waste between vibration flakeboard and broken licker-in, and multistage breaker's broken degree can be realized through the progression of adding and subtracting breaker, also can realize through the broken running roller of changing different intervals. The fog-making spray head reduces the dust escaping from the machine, and the dust generated by the waste is less flying in the process of conveying and transferring.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a primary crushing roller according to the present invention.

In the description of the drawing, the reference numeral 1 is a frame, 2 is a pushing spring, 3 is a vibrating particle board, 4 is a vibrating motor, 5 is teeth, 6 is a gear, 7 is a primary crushing roller, 8 is a secondary crushing roller, 9 is a feed opening, 10 is a hopper, 11 is a mist making spray head, 12 is a crushing licker-in, 13 is a crushing thorn, 14 is a material gathering slope, 15 is a blanking inclined tube, 16 is a pipeline, 17 is a conveying belt, 18 is a motor, 19 is a transverse tooth, 19' is a longitudinal tooth, and 20 is a belt pulley.

Detailed Description

The concrete waste recycling device for civil engineering of the utility model is further explained with the accompanying drawings and the specific implementation mode as follows: as shown, in this embodiment: the automatic crusher comprises a hopper 10, a rack 1, a pre-crushing device, a multi-stage crushing device, a power device and a conveying belt 17, wherein the hopper 10 is positioned above the rack 1, the pre-crushing device is arranged at the upper half part of the rack 1, the multi-stage crushing device is arranged at the lower half part of the rack 1, the power device is arranged at the bottom of the rack, the conveying belt 17 is arranged below the rack 1, and the pre-crushing device and the multi-stage crushing device are respectively connected with the output end of the power device through belt transmission; the pre-crushing device comprises a crushing licker-in 12 and a vibrating flakeboard 3, wherein the crushing licker-in 12 and the vibrating flakeboard 3 are both arranged on a rack 1, a vibrating motor 4 is arranged inside the vibrating flakeboard 3, and the lower part and the rear part of the vibrating flakeboard 3 are respectively connected to the rack 1 through a pushing spring 2.

Frame 1 is through pushing away spring 2 connection vibration particle board 3, vibration particle board 3 can realize the vibration under the soft joint condition for frame 1 flexible contact, the vibration degree that this vibration transmitted for frame 1 can reduce, and it can produce anomalous striking route according to the impact load in the vibration process, can produce the striking direction and the dynamics of uncertain orbit to the concrete waste material between tooth 5 and the broken licker-in 12 on the vibration particle board 3, the direction of broken thorn 13 on the broken licker-in 12, position and length are also anomalous, in addition broken licker-in 12 also rotates, the rotation in-process also can form certain crushing effect, consequently the striking atress at the broken stage in advance is also anomalous.

In the pre-crushing stage, the conventional force application mode of hammering or rigid extrusion is replaced by periodic vibration impact, so that the energy consumption problem in the process of applying force to the crushed part is solved, and the violent force of the crushing force is changed into the skillful force. The teeth 5 are equal to a drill rod used in a manual crushing process, the vibration particle board 3 is equal to a hammer with unlimited force, the force and direction in the hammering process are selected according to the unstable posture and displacement of the concrete waste between the vibration particle board 3 and the crushing thorn roller 12, and the length of each crushing thorn 13 can be specially matched with and contacted with the irregular concrete waste, so that the concrete waste can be shattered and crushed by extrusion as soon as possible.

The working surface of the vibrating particle board 3 is an inclined plane, a plurality of rows of teeth 5 are arranged on the inclined plane, the sharp parts of the teeth 5 are distributed obliquely upwards, materials can be turned back and forth in the vibrating process, and the possibility of locking and stalling is avoided.

The multistage crushing device is divided into a first-stage crushing roller 7 device and a second-stage crushing roller 8 device, the first-stage crushing roller 7 device comprises two first-stage crushing rollers 7 which move relatively, the two first-stage crushing rollers 7 are connected through a gear 6, one of the gears 6 is connected with the output end of a power device through a belt pulley 20 which is coaxially arranged, and the first-stage crushing rollers 7 are provided with longitudinal teeth 19' and transverse teeth 19; the secondary crushing roller 8 device comprises two secondary crushing rollers 8 which move relatively, the two secondary crushing rollers 8 are connected through a gear 6, one gear 6 is connected with the output end of the power device through a belt pulley 20 which is coaxially arranged, and the secondary crushing roller 8 is provided with longitudinal teeth 19' and transverse teeth 19.

Broken licker-in 12 can extrude and the thorn of some concrete waste material at the pivoted in-process, when the thorn cracks and has the degree of difficulty, can realize pushing up the concrete waste material on vibration crushed aggregates board 3, and in the vibration process, tooth 5 at different positions also can play the possibility of accelerating concrete waste material fracture. After a certain period of time, the concrete waste is finally smashed by the jolt and falls into the multistage crushing device to be crushed again, the crushing degree of the multistage crushing device can be realized by the progression of the addition and subtraction crushing device, and the crushing roller wheels with different intervals can also be replaced.

Be equipped with horizontal tooth 19 and vertical tooth 19' respectively on the crushing roller of each level among the multistage breaker, it can be with freely falling after the crowded garrulous back of concrete waste fragment, shifts through conveyer belt 17 of feed opening 9 below, and the concrete waste material after smashing can be in time transported to the vehicle and is transported away, perhaps piles up in the place of idle.

Rotation behind the 6 meshing of gear can satisfy two crushing roller relative rotations each other of one-level crushing roller 7 or second grade crushing roller 8, smashes garrulous little concrete waste material once more, and kibbling ease can be than the relative light point in the breakage in advance this time, and the concrete piece at this moment is through the vibration in the breakage stage in advance and strike the back, and the rethread is hard to extrude broken and will be broken easily. Moreover, reasonable extrusion space is reserved among all levels of crushing rollers, so that the phenomenon that the crushing rollers are blocked due to too large extrusion degree cannot occur.

The power device comprises a motor 18, a speed reducer and a belt pulley 20, wherein the motor 18 drives the crushing licker-in 12, the first-stage crushing roller 7 and the second-stage crushing roller 8 through the speed reducer and the belt pulley 20.

The motor 18 is connected to the crushing licker-in 12 and the belt pulley 20 of the multi-stage crushing device via the belt pulley 20, and the different transmission ratios are preset according to the resistance during the crushing process, the rotating speed of the crushing licker-in 12 is slower, and the speed of the multi-stage crushing device is slightly faster.

The upper half part of the frame 1 is provided with a mist making spray head 11, the nozzle of the mist making spray head 11 faces the inside of the frame 1, and the outside of the mist making spray head 11 is connected with a water source through a pipeline 16.

The mist-making spray head 11 is provided with a plurality of small holes, pressurized water flow in a pipeline 16 connected with a water source can spray fine water drops, concrete waste can be directly wetted in the crushing process, dust which escapes from the machine can be greatly reduced, and meanwhile, the dust can be prevented from flying in the conveying and transferring processes.

A material gathering slope 14 and a blanking inclined tube 15 are arranged below the crushing licker-in 12, wherein the lower part of the material gathering slope 14 is close to the feed inlet of the blanking inclined tube 15, and the discharge outlet of the blanking inclined tube 15 is positioned above the feed inlet of the primary crushing roller 7.

The gathering slope 14 can prevent a part of concrete waste from being rolled into the other side of the crushing licker-in 12, the other side cannot be crushed to generate accumulation, the other side is accumulated to block the crushing licker-in 12, then a blanking nozzle with convergence concrete waste fragments is arranged below the gathering slope 14, and the blanking nozzle slides the fragments to a feeding port above the multistage crushing device through a blanking inclined tube 15. Also be equipped with spaced blanking hole between vibration particle board 3 and the frame 1, can prevent to vibrate and be blocked by the crushed aggregates and weaken the vibration effect between particle board 3 and the frame 1, still will open the phenomenon that the 1 shell of frame was maintained.

Claims

1. The utility model provides a concrete waste recovery device for civil engineering which characterized in that: the automatic crusher comprises a hopper, a rack, a pre-crushing device, a multi-stage crushing device, a power device and a conveying belt, wherein the hopper is positioned above the rack, the pre-crushing device is arranged at the upper half part of the rack, the multi-stage crushing device is arranged at the lower half part of the rack, the power device is arranged at the bottom of the rack, the conveying belt is arranged below the rack, and the pre-crushing device and the multi-stage crushing device are respectively connected with the output end of the power device through belt transmission; the pre-crushing device comprises a crushing licker-in and a vibrating flakeboard, wherein the crushing licker-in and the vibrating flakeboard are both arranged on the rack, a vibrating motor is arranged inside the vibrating flakeboard, and the lower part and the rear part of the vibrating flakeboard are respectively connected to the rack through pushing springs.

2. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein: the working surface of the vibration particle board is an inclined plane, a plurality of rows of teeth are arranged on the inclined plane, and the tips of the teeth are distributed obliquely upwards.

3. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein: the multistage crushing device is divided into a first-stage crushing roller device and a second-stage crushing roller device, the first-stage crushing roller device comprises two first-stage crushing rollers which move relatively, the two first-stage crushing rollers are connected through a gear, one of the gears is connected with the output end of the power device through a belt pulley which is coaxially arranged, and the first-stage crushing rollers are provided with longitudinal teeth and transverse teeth; the second-stage crushing roller device comprises two second-stage crushing rollers which move relatively, the two second-stage crushing rollers are connected through a gear, one gear is connected with the output end of the power device through a belt pulley which is coaxially arranged, and the second-stage crushing rollers are provided with longitudinal teeth and transverse teeth.

4. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein: the power device comprises a motor, a speed reducer and a belt pulley, wherein the motor drives the crushing licker-in, the first-stage crushing roller and the second-stage crushing roller through the speed reducer and the belt pulley.

5. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein: the upper half part of the rack is provided with a mist making spray head, the spray nozzle of the mist making spray head faces the inside of the rack, and the outside of the mist making spray head is connected with a water source through a pipeline.

6. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein: and a material gathering slope and a discharging inclined tube are arranged below the crushing licker-in, wherein the lower part of the material gathering slope is close to the feed inlet of the discharging inclined tube, and the discharge outlet of the discharging inclined tube is positioned above the feed inlet of the primary crushing roller device.