Civil engineering construction waste treatment device with good protection effect

Abstract

The invention discloses a civil engineering construction waste treatment device with a good protection effect, and relates to the technical field of construction waste treatment.The civil engineering construction waste treatment device comprises a discharging box, a crushing assembly is arranged at the top of the discharging box, a dust removal assembly is arranged at the top of the crushing assembly, and a plurality of transmission assemblies are arranged on one side of the dust removal assembly; and a dust collecting assembly is arranged between the bottoms of the multiple transmission assemblies, and the crushing assembly comprises a crushing box. The building waste crushing device is ingenious in structural design, and after building waste of different sizes is put into the device, the small-size building waste can be crushed by the same-direction crushing roller and the reverse crushing roller in the front side area; and the large-size building waste is crushed by the same-direction crushing rollers and the reverse crushing rollers in the process of being backwards conveyed to the middle-rear side area by the same-direction crushing rollers, and the situation that the crushing efficiency is affected and even the crushing cavity is blocked after the large and small building waste is stacked is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of construction waste treatment, in particular to a civil engineering construction waste treatment device with good protective effect. Background Art

[0002] Civil engineering is a general term for the science and technology of building various types of engineering facilities. During the construction process of civil engineering, a large amount of construction waste will be generated due to the renovation of old buildings and other construction projects, such as demolished walls and cement blocks, which need to be crushed before they can be recycled in other engineering construction projects.

[0003] In the prior art, such as Chinese patent publication number CN116809207A, a construction waste processing device is disclosed, which includes a crushing box, a partition is fixedly connected to the crushing box, a first crushing assembly is arranged inside the crushing box, a screening assembly is arranged at the bottom of the first crushing assembly, and the screening assembly includes a support frame, a screen is arranged in the support frame, a connecting rod is fixedly connected to one side of the screen, a pressure plate is fixedly connected to one end of the connecting rod, a fixed plate is fixedly connected to the outside of the crushing box, a first support tube is fixedly connected to one side of the fixed plate, a second support tube is inserted into the first support tube, a first spring is fixedly connected to one end of the second support tube, and a driving assembly is further provided, the driving assembly is used to drive the pressure plate, thereby solving the problem that the existing waste processing device is prone to clogging of the screen as more waste accumulates on the screen, which may not only cause the waste processing to be interrupted, but also cause damage to the screen, thereby reducing the efficiency of extrusion and crushing.

[0004] Although the construction waste processing device in the above patent can avoid screen clogging, the existing construction waste processing device, when crushing construction waste, has a fixed size of the crushing chamber. After the larger waste enters the fixed-size crushing chamber, it is difficult to obtain effective crushing space and is not easy to crush quickly. The smaller construction waste falling on the upper layer needs to wait for the large-volume construction waste to be crushed before entering the crushing process, resulting in a significant decrease in crushing efficiency and even causing blockage in the crushing chamber.

[0005] Therefore, a civil engineering construction waste treatment device with good protective effect is proposed to solve the problems raised in the above background technology. Summary of the invention

[0006] The purpose of the present invention is to provide a civil engineering construction waste treatment device with good protective effect to solve the problems raised by the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a civil engineering construction waste treatment device with good protective effect, comprising a feed box, a crushing assembly is arranged on the top of the feed box, a dust removal assembly is arranged on the top of the crushing assembly, a plurality of transmission assemblies are arranged on one side of the dust removal assembly, and a dust collecting assembly is arranged between the bottoms of the plurality of transmission assemblies, the crushing assembly comprises a crushing box, a feed port is arranged on the front surface of the crushing box, a plurality of first rotating shafts and a second rotating shaft are fixedly connected between the inner surface walls on both sides of the crushing box, the second rotating shaft is located below the first rotating shaft, the distance between adjacent first rotating shafts is arranged in an increasing manner from front to back, and the distance between adjacent second rotating shafts is arranged in an increasing manner from front to back, the outer surface of the first rotating shaft is located at the inner side of the crushing box and is fixedly connected to a same-direction crushing roller, the outer surface of the second rotating shaft is located at the inner side of the crushing box and is fixedly connected to a reverse crushing roller, and the adjacent same-direction crushing rollers and reverse crushing rollers cooperate with each other.

[0008] Preferably, a reducer is installed on the outer surface of one side of the crushing box, the output end of the reducer is fixedly connected to the end of one of the first rotating shafts, the end of the first rotating shaft away from the reducer is fixedly connected to the first gear, and the end of the second rotating shaft away from the reducer is fixedly connected to the variable pitch gear, the variable pitch gear is arranged with increasing diameter from front to back, and the variable pitch gear is meshingly connected to the adjacent first gear.

[0009] Preferably, a gear cover is fixedly connected to the outer surface of the other side of the crushing box, and the gear cover is located outside the first gear and the variable pitch gear. A discharge box is fixedly connected to the bottom of the crushing box, and the top of the discharge box is provided with an opening and the inner bottom is inclined. A discharge port is provided on the outer surface of the discharge box on one side close to the reducer, and a base is fixedly connected to the bottom of the discharge box, and an inclined plate is fixedly connected between the inner surface walls of the crushing box near the rear side, and the inclined plate is located below the same-direction crushing roller.

[0010] Preferably, the dust removal assembly comprises a protective shell, the protective shell is fixedly connected to the top of the crushing box, and a protective net is fixedly connected to a position near the middle between the inner surface walls of the protective shell.

[0011] Preferably, a plurality of third rotating shafts are rotatably connected between the inner surface walls on both sides of the protective shell near the upper position, the outer surface of the third rotating shaft is fixedly connected to a dust collection shell, the bottom of the dust collection shell is provided with an opening and the top is equidistantly fixedly connected to a plurality of bellows.

[0012] Preferably, multiple transmission assemblies all include a first connecting shell, multiple first connecting shells are all fixedly connected to the outer surface of the protective shell away from the reducer, multiple first connecting shells and dust suction shells respectively correspond to multiple unidirectional crushing roller positions, a second connecting shell is fixedly connected to the outer surface of one side of the first connecting shell near the top, the second connecting shell is fixedly connected to the top of the protective shell, the top end of the bellows passes through the top of the protective shell, and the top end of the bellows is fixedly connected to the bottom of the second connecting shell.

[0013] Preferably, a fifth rotating shaft is rotatably connected to a position near the top of the outer surface of the other side of the first connecting shell, and a first pulley is installed on the outer surface of the fifth rotating shaft, and a transmission gear is fixedly connected to the outer surface of the first pulley near the first connecting shell, and a fourth rotating shaft is rotatably connected to the outer surface of the other side of the first connecting shell at a position above the fifth rotating shaft, one end of the fourth rotating shaft rotates through the outer surface of the first connecting shell and extends to the inside of the second connecting shell, and a fan blade is fixedly connected to the outer surface of the fourth rotating shaft at a position inside the second connecting shell, and an acceleration gear is fixedly connected to one end of the outer surface of the fourth rotating shaft near the transmission gear, and the outer surface of the acceleration gear is meshingly connected to the outer surface of the transmission gear.

[0014] Preferably, a second pulley is provided below the first pulley, and a sixth rotating shaft is fixedly connected to the inner surface wall of the second pulley. The outer surface of the sixth rotating shaft rotates and passes through the outer surface of the gear cover. One end of the sixth rotating shaft close to the gear cover is fixedly connected to the outer surface of the first gear, and a transmission belt is connected between the outer surfaces of the first pulley and the second pulley.

[0015] Preferably, one of the first rotating shafts is fixedly connected to a first rocker arm at one end near the reducer, and a first connecting rod extending upward is rotatably connected to an outer surface of the first rocker arm near the edge, one of the third rotating shafts is fixedly connected to a second rocker arm at one end near the reducer, and an outer surface of the second rocker arm is rotatably connected to the top of the first connecting rod through an axis near the edge, the first connecting rod is arranged obliquely, and the length of the first rocker arm is smaller than the length of the second rocker arm, and a linkage plate extending downward is fixedly connected to one side of the outer surface of the third rotating shaft near the gear cover, and a plurality of the linkage plates are arranged in parallel, and a connecting rod is fixedly connected to the outer surfaces of the plurality of linkage plates near the bottom, and a second connecting rod is rotatably connected between the outer surfaces of the plurality of connecting rods.

[0016] Preferably, the dust collecting assembly includes an auger shell, which is fixedly connected to the outer surface of the protective shell on one side close to the gear cover, a driving motor is fixedly installed at the front end of the auger shell, the output end of the driving motor rotates, passes through the outer surface of the auger shell and extends backward, an auger blade is fixedly connected to the rear end of the driving motor, and the bottom ends of the plurality of first connecting shells are fixedly connected to the top of the auger shell, and the rear end of the auger shell is bent and fixedly installed with a woven bag through a clamp.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention has an ingenious structural design. After construction wastes of different sizes are put into the device, small-volume construction wastes will be crushed by the same-direction crushing roller and the reverse crushing roller in the front area, while large-volume construction wastes will be crushed by the same-direction crushing roller and the reverse crushing roller in the process of being transported backward to the middle and rear areas. There will be no situation where the large and small construction wastes are stacked to affect the crushing efficiency or even cause the crushing chamber to be blocked.

[0018] 2. When the present invention is used, when construction waste that is too large to be directly crushed is put into the device, multiple crushing rollers rotating in the same direction will play a conveying role, thereby continuously conveying the construction waste that is too large to the rear side and then discharged. During the discharge process, the inclined plate can drop the construction waste discharged on the surface into the crushing box. The design structure is simple, and can actively remove construction waste that is too large in volume. There is no need to spend a lot of time and energy in advance to remove construction waste that is too large in volume, thereby reducing labor intensity and processing costs.

[0019] 3. When the present invention is used, the rotational force generated during the rotation of the first rotating shaft can be used to provide power for the transmission component, and the driving component cooperates with the dust removal component to generate suction at the bottom of the dust collection shell and discharge the sucked dust into the dust collection component after a channel is formed through the bellows, the second connecting shell, and the first connecting shell, thereby achieving the effect of dust removal and avoiding the problem that the dust generated during the crushing process will pollute the working area and harm the health of the workers.

[0020] 4. In the present invention, when the dust collection shell absorbs dust particles generated in the crushing process, the first swing arm rotating with the first rotating shaft cooperates with the first connecting rod, the second swing arm and one of the third rotating shafts to drive one of the dust collection shells to swing back and forth, and the linkage plate, the connecting rod and the second connecting rod cooperate to enable all the dust collection shells to swing synchronously, thereby expanding the dust collection range and dust collection effect of the dust collection shell, and further improving the dust removal effect.

[0021] 5. In the present invention, when the dust is discharged into the dust collecting component, it will enter the auger shell. Under the action of the driving motor and the auger blades, the dust particles will be transported to the woven bag for collection. When the woven bag is full, the seal can be directly tied with a rope. The design structure is simple and convenient for collecting the removed dust particles. The woven bags being collected can be made locally during civil engineering construction, and the use cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional diagram of a civil engineering construction waste treatment device with good protective effect according to the present invention; Figure 2 A three-dimensional view from another angle of a civil engineering construction waste treatment device with good protective effect according to the present invention; Figure 3 This is an expanded view of a civil engineering construction waste treatment device with good protective effect according to the present invention; Figure 4 This is a schematic diagram of the structure of a material box of a civil engineering construction waste treatment device with good protection effect according to the present invention; Figure 5 A cross-sectional expansion diagram of a crushing component of a civil engineering construction waste treatment device with good protective effect according to the present invention; Figure 6 This is a diagram showing the crushing components of a civil engineering construction waste treatment device with good protection effect according to the present invention from another angle; Figure 7 A diagram showing the coordination of a same-direction crushing roller and a reverse crushing roller in a civil engineering construction waste treatment device with good protection effect according to the present invention; Figure 8 It is a partial structural cross-sectional view of a civil engineering construction waste treatment device with good protection effect according to the present invention; Fig. 9 A cross-sectional schematic diagram of a dust removal component of a civil engineering construction waste treatment device with good protection effect according to the present invention; Fig.10 It is a cross-sectional schematic diagram of a transmission component of a civil engineering construction waste treatment device with good protection effect according to the present invention; Fig.11 The present invention is a schematic structural diagram of a dust collecting component of a civil engineering construction waste treatment device with good protective effect.

[0023] In the figure: 1, feed box; 11, feed port; 12, base; 2, crushing assembly; 201, crushing box; 202, feed port; 203, first rotating shaft; 204, same direction crushing roller; 205, second rotating shaft; 206, reverse crushing roller; 207, reducer; 208, first swing rod; 209, first connecting rod; 210, inclined plate; 211, first gear; 212, variable pitch gear; 213, gear cover; 3, dust removal assembly; 301, protective shell; 302, second swing rod; 303, third rotating shaft; 304, dust collection shell; 3 05. Bellows; 306. Linkage plate; 307. Connecting rod; 308. Second connecting rod; 309. Protective net; 4. Transmission assembly; 401. First connecting shell; 402. Second connecting shell; 403. Fourth rotating shaft; 404. Fan blade; 405. Acceleration gear; 406. Fifth rotating shaft; 407. First pulley; 408. Transmission gear; 409. Transmission belt; 410. Second pulley; 411. Sixth rotating shaft; 5. Dust collection assembly; 501. Auger shell; 502. Drive motor; 503. Auger blade; 504. Woven bag. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example: See Figure 1-Figure 11 As shown, the present invention provides a technical solution: a civil engineering construction waste treatment device with good protection effect, comprising a feed box 1, a crushing assembly 2 is arranged on the top of the feed box 1, a dust removal assembly 3 is arranged on the top of the crushing assembly 2, a plurality of transmission assemblies 4 are arranged on one side of the dust removal assembly 3, a dust collection assembly 5 is arranged between the bottoms of the plurality of transmission assemblies 4, the crushing assembly 2 comprises a crushing box 201, a feed inlet 202 is arranged on the front surface of the crushing box 201, and a plurality of first and second second transmission assemblies 5 are fixedly connected between the inner surface walls on both sides of the crushing box 201. A rotating shaft 203 and a second rotating shaft 205, the second rotating shaft 205 is located below the first rotating shaft 203, the distances between adjacent first rotating shafts 203 are arranged in an increasing manner from front to back, and the distances between adjacent second rotating shafts 205 are arranged in an increasing manner from front to back, the outer surface of the first rotating shaft 203 is located at the inner side of the crushing box 201 and is fixedly connected to a same-direction crushing roller 204, the outer surface of the second rotating shaft 205 is located at the inner side of the crushing box 201 and is fixedly connected to a reverse crushing roller 206, and the adjacent same-direction crushing rollers 204 and reverse crushing rollers 206 cooperate with each other.

[0026] A reducer 207 is installed on the outer surface of one side of the crushing box 201. The output end of the reducer 207 is fixedly connected to the end of one of the first rotating shafts 203. The end of the first rotating shaft 203 away from the reducer 207 is fixedly connected to the first gear 211. The end of the second rotating shaft 205 away from the reducer 207 is fixedly connected to the variable pitch gear 212. The variable pitch gear 212 is arranged with increasing diameter from front to back. The variable pitch gear 212 is meshed and connected with the adjacent first gear 211. The reducer 207 is composed of a motor and a reduction box, which is used to drive the first rotating shaft 203 to rotate and has the function of reducing speed and increasing torque, ensuring that the device can be driven to operate. When in use, start the reducer 20 7 drives one of the first rotating shafts 203 to rotate, and during the rotation of the first rotating shaft 203, it drives the first gear 211 on the other side to rotate, and during the rotation of the first gear 211, it drives the variable pitch gear 212 on the rear side to rotate, and during the rotation of the variable pitch gear 212, it synchronously drives the first gear 211 on the rear side to rotate, and under the cooperation with each other, all the first rotating shafts 203 and the second rotating shafts 205 simultaneously drive the same-direction crushing rollers 204 and the reverse crushing rollers 206 on the surface to rotate, and when each first gear 211 rotates, it is in a counter-rotating state with the variable pitch gear 212 on the rear side, and when each first gear 211 rotates, it is in a counter-rotating state with the variable pitch gear 212 on the front side.

[0027] The outer surface of the other side of the crushing box 201 is fixedly connected with a gear cover 213, which is located outside the first gear 211 and the pitch gear 212. The bottom of the crushing box 201 is fixedly connected with a feed box 1, the top of the feed box 1 is provided with an opening and the inner bottom is inclined. The outer surface of the feed box 1 on one side close to the reducer 207 is provided with a feed opening 11, and the bottom of the feed box 1 is fixedly connected with a base 12. The inner surface wall of the crushing box 201 is fixedly connected with an inclined plate 210 near the rear side, and the inclined plate 210 is located below the same-direction crushing roller 204. The gear cover 213 is used to protect the first gear 211. The function of the variable pitch gear 212 can avoid personal injury during the rotation of the first gear 211 and the variable pitch gear 212, and also avoid dust adhesion causing increased gear wear. When the crushed construction waste falls downward, it will enter the discharge box 1 and will be discharged from the discharge port 11 under the action of the internal inclined surface. The base 12 is used to support the device. The base 12 and the discharge box 1 are connected by a shock-absorbing bracket, which has a good buffering and shock-absorbing effect, avoiding severe vibration and causing a decrease in the life of the device. The inclined plate 210 is used to prevent the construction waste discharged from the rear side from falling into the crushing box 201.

[0028] The dust removal component 3 includes a protective shell 301, which is fixedly connected to the top of the crushing box 201. A protective net 309 is fixedly connected to the middle of the inner surface walls of the protective shell 301. The protective net 309 is used to block the splashing objects that bounce upward during the crushing process of the construction waste inside the crushing box 201, and has the function of protecting the dust collection shell 304 and the bellows 305 and other structures. The protective shell 301 and the crushing box 201 cooperate to make the construction waste in a semi-closed state during the crushing process, which can effectively block the splashing objects and has a good protective effect.

[0029] A plurality of third rotating shafts 303 are rotatably connected between the inner surface walls on both sides of the protective shell 301 near the upper position, and a dust collection shell 304 is fixedly connected to the outer surface of the third rotating shaft 303. The bottom of the dust collection shell 304 is provided with an opening, and a plurality of bellows 305 are fixedly connected to the top at equal intervals. The dust collection shell 304 is rotatably connected to the inside of the protective shell 301 through the third rotating shaft 303, so it can rotate, and the bellows 305 is used to connect the dust collection shell 304 with the second connecting shell 402, and the bellows 305 can be bent, so that the dust collection shell 304 is always in a connected state with the second connecting shell 402 even if it is in a swinging state.

[0030] Multiple transmission components 4 all include a first connecting shell 401, and multiple first connecting shells 401 are all fixedly connected to the outer surface of the protective shell 301 away from the reducer 207. Multiple first connecting shells 401 and dust collection shells 304 correspond to the positions of multiple unidirectional crushing rollers 204 respectively. The outer surface of one side of the first connecting shell 401 is fixedly connected with a second connecting shell 402 near the top. The second connecting shell 402 is fixedly connected to the top of the protective shell 301. The top of the bellows 305 passes through the top of the protective shell 301. The top of the bellows 305 is fixedly connected to the bottom of the second connecting shell 402. The first connecting shell 401 is installed on the protective shell 301, and a channel is formed inside. The second connecting shell 402 and the bellows 305 form a complete channel, so that the dust generated during the crushing process can enter the auger shell 501 of the dust collecting component 5 through the dust collection shell 304, the bellows 305, the second connecting shell 402 and the first connecting shell 401 in turn.

[0031] The outer surface of the other side of the first connecting shell 401 is rotatably connected to a fifth rotating shaft 406 near the top, and a first pulley 407 is installed on the outer surface of the fifth rotating shaft 406. A transmission gear 408 is fixedly connected to the outer surface of the first pulley 407 near the first connecting shell 401. The outer surface of the other side of the first connecting shell 401 is rotatably connected to a fourth rotating shaft 403 at a position above the fifth rotating shaft 406. One end of the fourth rotating shaft 403 rotates through the outer surface of the first connecting shell 401 and extends to the inside of the second connecting shell 402. The outer surface of the fourth rotating shaft 403 is located inside the second connecting shell 402 and is fixedly connected to a fan blade 404. An end of the outer surface of the fourth rotating shaft 403 near the transmission gear 408 is fixedly connected to an acceleration gear 405. The outer surface of the acceleration gear 405 and the transmission gear The outer surface of the wheel 408 is meshed and connected. When in use, the rotation of the first pulley 407 can drive the transmission gear 408 with a larger number of teeth on the surface to rotate synchronously. When the transmission gear 408 rotates, it can drive the acceleration gear 405 with a smaller number of teeth on the top to accelerate the rotation. When the acceleration gear 405 rotates, it can drive the fan blades 404 inside the second connecting shell 402 to rotate quickly and generate airflow through the fourth rotating shaft 403. Under the action of the airflow, the bottom of the dust collection shell 304 connected to the second connecting shell 402 through the bellows 305 will generate suction, thereby sucking the dust generated during the crushing process of the construction waste inside the crushing box 201 and the protective shell 301 into the second connecting shell 402, and the airflow will drive the sucked dust into the first connecting shell 401 and then be discharged into the dust collecting component 5.

[0032] A second pulley 410 is provided below the first pulley 407, and a sixth shaft 411 is fixedly connected to the inner wall of the second pulley 410, and an outer surface of the sixth shaft 411 rotates and passes through the outer surface of the gear cover 213, and an end of the sixth shaft 411 close to the gear cover 213 is fixedly connected to the outer surface of the first gear 211, and a transmission belt 409 is connected between the outer surfaces of the first pulley 407 and the second pulley 410. When in use, as the first shaft 203 rotates, the first shaft 203 will drive the second pulley 410 to rotate through the sixth shaft 411, and during the rotation of the second pulley 410, the first pulley 407 will be driven to rotate through the transmission belt 409, without the need for an additional power source.

[0033] One end of the first rotating shaft 203 close to the reducer 207 is fixedly connected to the first swing rod 208, and the outer surface of the first swing rod 208 is rotatably connected to the first connecting rod 209 extending upward. One end of the third rotating shaft 303 close to the reducer 207 is fixedly connected to the second swing rod 302, and the outer surface of the second swing rod 302 is rotatably connected to the top of the first connecting rod 209 through an axis near the edge. The first connecting rod 209 is arranged obliquely, and the length of the first swing rod 208 is less than the length of the second swing rod 302. The outer surface of the third rotating shaft 303 close to the gear cover 213 is fixedly connected to a linkage piece 306 extending downward. The multiple linkage pieces 306 are arranged in parallel, and the outer surfaces of the multiple linkage pieces 306 are fixedly connected to the connecting rod 307 near the bottom. The second connecting rod 308 is rotatably connected between the outer surfaces of the multiple connecting rods 307. When in use, one of the first rotating shafts 203 will drive the first swing rod when it rotates. 208 rotates, and the first swing arm 208 rotates, which drives the bottom end of the first connecting rod 209 to perform circular motion, and the top end of the inclined first connecting rod 209 is rotatably connected to the second swing arm 302 above. Under the action of the connecting rod, the top end of the first connecting rod 209 will push the first swing arm 208 to swing up and down in a smaller range during the rotation of the first swing arm 208 in a small range, and during the swinging of the first swing arm 208, one of the dust collection shells 304 will be driven to swing back and forth through the third rotating shaft 303. At the same time, during the rotation of one of the third rotating shafts 303, under the action of the linkage piece 306 and the connecting rod 307, the second connecting rod 308 plays the role of connecting all the third rotating shafts 303, and the upper and lower active points of the linkage pieces 306 on the surfaces of any two third rotating shafts 303 form a parallelogram. Under the action of the parallelogram, all the third rotating shafts 303 will synchronously drive all the dust collection shells 304 to swing back and forth.

[0034] The dust collecting assembly 5 includes an auger shell 501, which is fixedly connected to the outer surface of the protective shell 301 near the gear cover 213. A driving motor 502 is fixedly installed at the front end of the auger shell 501. The output end of the driving motor 502 rotates through the outer surface of the auger shell 501 and extends backward. An auger blade 503 is fixedly connected to the rear end of the driving motor 502. The bottom ends of the multiple first connecting shells 401 are fixedly connected to the top of the auger shell 501. The rear end of the auger shell 501 is bent and connected through a clamp. A woven bag 504 is fixedly installed. When in use, after the dust is discharged into the interior of the auger shell 501, the air flow will pass through the auger shell 501 into the woven bag 504 and then be discharged. When the drive motor 502 is started to drive the auger blades 503 to rotate, the auger blades 503 can transport the dust inside the auger shell 501 backwards, and finally the dust enters the woven bag 504 for collection. When the woven bag 504 is full, the seal can be directly tied with a rope, which is convenient for collecting the removed dust particles.

[0035] The effect and working principle of the whole mechanism are as follows: when the device is used to crush waste materials generated during the construction of civil engineering buildings, the construction waste materials are first put into the crushing box 201 through the feed port 202. When the construction waste materials of different sizes enter the crushing box 201, the reducer 207 is started to drive one of the first rotating shafts 203 to rotate. At this time, the first rotating shaft 203 will drive the first gear 211 on the other side to rotate during the rotation, and the first gear 211 will drive the variable pitch gear 212 on the rear side to rotate during the rotation. The variable pitch gear 212 will synchronously drive the first gear 211 on the rear side to rotate during the rotation, and all the first rotating shafts 203 and the second rotating shafts 205 will drive the same-direction crushing rollers on the surface at the same time under the cooperation with each other. 204 and the reverse crushing roller 206 rotate, and when each first gear 211 rotates, it is in a counter-rotating state with the variable pitch gear 212 on the rear side, and when each first gear 211 rotates, it is in a counter-rotating state with the variable pitch gear 212 on the front side. At the same time, the same-direction crushing rollers 204 rotate in the same direction and the spacing gradually increases, and the reverse crushing roller 206 fills the distance between adjacent same-direction crushing rollers 204 and the diameter gradually increases. Therefore, a sinking space for accommodating construction waste is formed between every two same-direction crushing rollers 204 and the reverse crushing roller 206 at the middle position below, and the width of the sinking space increases from front to back, so that after the construction waste enters the interior of the device, the construction waste with a volume larger than the width of the front sinking space will be in the same direction rotating in the same direction The crushing roller 204 is used to transport the construction waste backwards, and when the volume of the construction waste matches the width of the sinking space, the construction waste will fall into the corresponding sinking space. At this time, the corresponding same-direction crushing roller 204 and the reverse crushing roller 206 rotating in the opposite direction on the front side will push the construction waste that has fallen into the sinking space to the area between the reverse crushing roller 206 and the same-direction crushing roller 204 on the front side. At this time, the reverse crushing roller 206 and the same-direction crushing roller 204 on the front side rotate in opposite directions to effectively squeeze and crush the construction waste and make it fall into the discharge box 1 below, and finally be discharged through the discharge port 11. This design enables construction waste of different sizes to be put into the device. After the small-volume construction waste is crushed in the front area by the same-direction crushing roller 204 and the reverse crushing roller 206, the large-volume construction waste will be crushed by the same-direction crushing roller 204 and the reverse crushing roller 206, In the process of being transported backwards to the middle and rear area by the crushing roller 204, the same-direction crushing roller 204 and the reverse crushing roller 206 will crush the waste. There will be no situation where the large and small construction wastes are piled up to affect the crushing efficiency or even cause the crushing chamber to be blocked. Moreover, when the construction wastes that are too large to be directly crushed are put into the device, the multiple same-direction crushing rollers 204 rotating in the same direction will play a role of conveying, so that the construction wastes with too large volume are continuously transported to the rear side and then discharged. During the discharge process, the inclined plate 210 can make the construction waste discharged on the surface fall into the crushing box 201. The design structure is simple, and the construction wastes with too large volume can be actively removed. There is no need to spend a lot of time and energy to remove the large volume of construction waste in advance, which reduces the labor intensity and processing cost. In the process of crushing construction waste, the device adds a protective shell 301 on the top of the crushing box 201 to make the crushing space inside the device in a semi-sealed state, so as to shield the small pieces of waste splashed out during the crushing process of the construction waste, and the protective effect is improved. In addition, the diameter of the variable pitch gear 212 gradually increases from front to back. Compared with the variable pitch gear 212 and the first gear 211 on the front side, the variable pitch gear 212 on the rear side has more teeth, so the rotation speed will gradually slow down from front to back. When the medium and large volumes are crushed in the rear area of ​​the device, the same-direction crushing roller 204 and the reverse crushing roller 206 will perform the crushing operation at a lower rotation speed. Therefore, the impact force on the construction waste is relatively uniform and moderate, and it is not easy to produce high-speed splashing crushed objects, thereby improving the safety of the crushing process; During the operation of the device, as the first rotating shaft 203 rotates, the first rotating shaft 203 will drive the second pulley 410 to rotate through the sixth rotating shaft 411, and during the rotation of the second pulley 410, the first pulley 407 will be driven to rotate through the transmission belt 409. The first pulley 407 and the corresponding first rotating shaft 203 have the same speed and are relatively slow. When the transmission gear 408 with a large number of teeth on the surface of the first pulley 407 rotates, it will drive the acceleration gear 405 with a small number of teeth on the upper side to accelerate the rotation. When the acceleration gear 405 rotates, it can drive the acceleration gear 405 in the second rotating shaft 403 through the fourth rotating shaft 403. The fan blades 404 inside the connecting shell 402 rotate rapidly and generate airflow. At this time, under the action of the airflow, the bottom of the dust collecting shell 304 connected to the second connecting shell 402 through the bellows 305 generates suction, thereby sucking the dust generated during the crushing process of the construction waste inside the crushing box 201 and the protective shell 301 into the second connecting shell 402, and the airflow drives the sucked dust into the first connecting shell 401 and then discharged into the dust collecting assembly 5, achieving the effect of dust removal, avoiding the problem that the dust generated during the crushing process will pollute the working area and damage the health of workers; When the dust collecting shell 304 absorbs dust, one of the first rotating shafts 203 in the crushing assembly 2 will drive the first swing rod 208 at the outer end to rotate. When the first swing rod 208 rotates, it will drive the bottom end of the first connecting rod 209 to perform a circular motion, and the top end of the inclined first connecting rod 209 is rotatably connected to the second swing rod 302 above. Therefore, under the action of the connecting rod, when the first swing rod 208 rotates in a small range, the top end of the first connecting rod 209 will push the first swing rod 208 to swing up and down in a smaller range, and when the first swing rod 208 swings, it will drive one of the third rotating shafts 303 to rotate. The dust collecting shells 304 swing back and forth. At the same time, during the rotation of one of the third rotating shafts 303, under the action of the linkage piece 306 and the connecting rod 307, the second connecting rod 308 connects all the third rotating shafts 303, and the upper and lower active points of the linkage pieces 306 on the surfaces of any two third rotating shafts 303 form a parallelogram. Under the action of the parallelogram, all the third rotating shafts 303 will synchronously drive all the dust collecting shells 304 to swing back and forth, thereby expanding the dust collection range and dust collection effect of the dust collecting shells 304, and further improving the dust removal effect. When the dust is discharged into the dust collecting component 5, it will enter the auger shell 501, and the airflow will pass through the auger shell 501 into the woven bag 504 and then be discharged from the gap on the surface of the woven bag 504. At this time, when the drive motor 502 is started to drive the auger blade 503 to rotate, the auger blade 503 can transport the dust inside the auger shell 501 backward, and finally the dust enters the woven bag 504 fixed by the clamp on the rear side for collection. When the woven bag 504 is full, the seal can be directly tied with a rope. The design structure is simple, and the removed dust particles are convenient to collect. The woven bag 504 in the collection process can be made from local materials in civil engineering construction, and the use cost is low.

[0036] Among them, the reducer 207 and the drive motor 502 are both existing technologies, and their components and operating principles are public technologies, so no further explanation is given here.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for treating construction waste of civil engineering with good protective effect, comprising a material discharge box (1), characterized in that: A crushing assembly (2) is arranged on the top of the material discharge box (1), a dust removal assembly (3) is arranged on the top of the crushing assembly (2), a plurality of transmission assemblies (4) are arranged on one side of the dust removal assembly (3), and a dust collection assembly (5) is arranged between the bottoms of the plurality of transmission assemblies (4); The crushing assembly (2) comprises a crushing box (201), a feed port (202) being provided on the front surface of the crushing box (201), a plurality of first rotating shafts (203) and second rotating shafts (205) being fixedly connected between the inner surface walls on both sides of the crushing box (201), the second rotating shafts (205) being located below the first rotating shafts (203), the spacing between adjacent first rotating shafts (203) being arranged in an increasing manner from front to back, and the spacing between adjacent second rotating shafts (205) being arranged in an increasing manner from front to back, the outer surface of the first rotating shaft (203) being located inside the crushing box (201) being fixedly connected to a same-direction crushing roller (204), the outer surface of the second rotating shaft (205) being located inside the crushing box (201) being fixedly connected to a reverse crushing roller (206), and the adjacent same-direction crushing rollers (204) and reverse crushing rollers (206) being matched.

2. The device for treating civil engineering construction waste with good protective effect according to claim 1 is characterized in that: A reducer (207) is installed on an outer surface of one side of the crushing box (201); an output end of the reducer (207) is fixedly connected to an end of one of the first rotating shafts (203); an end of the first rotating shaft (203) away from the reducer (207) is fixedly connected to a first gear (211); an end of the second rotating shaft (205) away from the reducer (207) is fixedly connected to a variable pitch gear (212); the variable pitch gear (212) is arranged with increasing diameter from front to back; and the variable pitch gear (212) is meshingly connected to an adjacent first gear (211).

3. The device for treating civil engineering construction waste with good protective effect according to claim 1 is characterized in that: A gear cover (213) is fixedly connected to the outer surface of the other side of the crushing box (201), and the gear cover (213) is located outside the first gear (211) and the pitch-changing gear (212). A discharge box (1) is fixedly connected to the bottom of the crushing box (201), and the top of the discharge box (1) is provided with an opening and the inner bottom is arranged at an angle. A discharge opening (11) is provided on the outer surface of the discharge box (1) on one side close to the reducer (207), and a base (12) is fixedly connected to the bottom of the discharge box (1). An inclined plate (210) is fixedly connected between the inner surface walls of the crushing box (201) at a position close to the rear side, and the inclined plate (210) is located below the same-direction crushing roller (204).

4. The device for treating civil engineering construction waste with good protective effect according to claim 1 is characterized in that: The dust removal assembly (3) comprises a protective shell (301), the protective shell (301) being fixedly connected to the top of the crushing box (201), and a protective net (309) being fixedly connected to a position close to the middle between the inner surface walls of the protective shell (301).

5. The device for treating civil engineering construction waste with good protective effect according to claim 4 is characterized in that: A plurality of third rotating shafts (303) are rotatably connected between the inner surface walls on both sides of the protective shell (301) near the upper portion, and a dust collecting shell (304) is fixedly connected to the outer surface of the third rotating shaft (303). The bottom of the dust collecting shell (304) is provided with an opening and the top is fixedly connected to a plurality of bellows (305) at equal intervals.

6. The device for treating civil engineering construction waste with good protective effect according to claim 5 is characterized in that: The plurality of transmission assemblies (4) all comprise a first connecting shell (401), the plurality of first connecting shells (401) all being fixedly connected to the outer surface of the protective shell (301) on a side away from the reducer (207), the plurality of first connecting shells (401) and the dust collecting shells (304) respectively corresponding to the positions of the plurality of crushing rollers (204) in the same direction, the outer surface of one side of the first connecting shell (401) being fixedly connected to a second connecting shell (402) at a position close to the top, the second connecting shell (402) being fixedly connected to the top of the protective shell (301), the top end of the bellows (305) passing through the inner top of the protective shell (301), the top end of the bellows (305) being fixedly connected to the bottom of the second connecting shell (402).

7. The device for treating construction waste of civil engineering with good protective effect according to claim 6 is characterized in that: A fifth rotating shaft (406) is rotatably connected to the outer surface of the other side of the first connecting shell (401) at a position near the top, a first pulley (407) is installed on the outer surface of the fifth rotating shaft (406), a transmission gear (408) is fixedly connected to the outer surface of the first pulley (407) at a position near the first connecting shell (401), a fourth rotating shaft (403) is rotatably connected to the outer surface of the other side of the first connecting shell (401) at a position above the fifth rotating shaft (406), one end of the fourth rotating shaft (403) rotates through the outer surface of the first connecting shell (401) and extends to the inside of the second connecting shell (402), a fan blade (404) is fixedly connected to the outer surface of the fourth rotating shaft (403) at a position inside the second connecting shell (402), an acceleration gear (405) is fixedly connected to one end of the outer surface of the fourth rotating shaft (403) near the transmission gear (408), and the outer surface of the acceleration gear (405) is meshingly connected to the outer surface of the transmission gear (408).

8. The device for treating construction waste of civil engineering with good protective effect according to claim 7 is characterized in that: A second pulley (410) is provided below the first pulley (407); a sixth rotating shaft (411) is fixedly connected to the inner surface wall of the second pulley (410); the outer surface of the sixth rotating shaft (411) rotates and penetrates the outer surface of the gear cover (213); one end of the sixth rotating shaft (411) close to the gear cover (213) is fixedly connected to the outer surface of the first gear (211); and a transmission belt (409) is transmission-connected between the outer surfaces of the first pulley (407) and the second pulley (410).

9. The device for treating construction waste of civil engineering with good protective effect according to claim 5 is characterized in that: One end of one of the first rotating shafts (203) close to the reducer (207) is fixedly connected to a first swing rod (208), and a first connecting rod (209) extending upward is rotatably connected to the outer surface of the first swing rod (208) near the edge; one end of one of the third rotating shafts (303) close to the reducer (207) is fixedly connected to a second swing rod (302), and a portion of the outer surface of the second swing rod (302) close to the edge is rotatably connected to the top of the first connecting rod (209) through an axis; the first connecting rod (209) is arranged in an inclined manner; the length of the first swing rod (208) is shorter than the length of the second swing rod (302); a side of the outer surface of the third rotating shaft (303) close to the gear cover (213) is fixedly connected to a linkage piece (306) extending downward; a plurality of linkage pieces (306) are arranged in parallel; a connecting rod (307) is fixedly connected to the outer surfaces of the plurality of linkage pieces (306) near the bottom; and a second connecting rod (308) is rotatably connected between the outer surfaces of the plurality of connecting rods (307).

10. The device for treating construction waste of civil engineering with good protective effect according to claim 6, characterized in that: The dust collecting component (5) comprises an auger shell (501), wherein the auger shell (501) is fixedly connected to the outer surface of the protective shell (301) on a side close to the gear cover (213), a driving motor (502) is fixedly mounted on the front end of the auger shell (501), an output end of the driving motor (502) rotates through the outer surface of the auger shell (501) and extends backwards, an auger blade (503) is fixedly connected to the rear end of the driving motor (502), the bottom ends of the plurality of first connecting shells (401) are fixedly connected to the top of the auger shell (501), and the rear end of the auger shell (501) is bent and fixedly mounted with a woven bag (504) via a clamp.

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