Pre-dewatering device for roadbed material recycled aggregate

Abstract

The invention discloses a roadbed material recycled aggregate pre-dewatering device which is applied to the technical field of recycled aggregates and comprises a shell mechanism, the shell mechanism comprises a shell, and when roadbed material recycled aggregate is subjected to pre-dewatering, the recycled aggregate is preferentially put into the surface of a net chain type conveying belt at one end of a driving roller; the cam roller is matched with the net chain type conveying belt to achieve oscillation operation in the middle of the net chain type conveying belt, aggregate is promoted to jolt and turn over, and dust and fine particles in the aggregate are helped to penetrate through gaps of the net chain type conveying belt while the aggregate is heated evenly. Then the frame body collects the dust and the fine particles, reciprocating operation of the bottom plate and the frame body avoids the situation that the accumulation amount in the frame body is ordinary due to the fact that the dust and the fine particles are accumulated at the same position in the frame body, smoothness of the dust in the frame body is achieved, frequent dumping treatment on the frame body is reduced, and existence of the dust and the fine particles in the frame body is reduced; the influence of dust on subsequent use of the aggregate is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of recycled aggregates, and in particular relates to a pre-dewatering device for recycled aggregates of roadbed materials. Background Art

[0002] Aggregates made from waste concrete in construction waste after crushing and screening are called recycled aggregates. The output of recycled aggregates is stable, and its physical and chemical indicators and properties are close to those of natural aggregates. Therefore, the emergence of recycled aggregates can not only make up for the shortage of natural aggregates, but also effectively protect the environment and land resources. Most of the recycled concrete aggregates can be directly used in road paving, gravel cushion, mixing recycled concrete, road water stabilization, roadbed filling, graded gravel, etc. At present, when recycled aggregates are used as roadbed materials, the road surface made of recycled aggregates has the characteristics of high strength, good permeability and low cost.

[0003] At present, due to its unique composition and structure, recycled concrete aggregate has a lot of adsorbed water inside. Direct use will cause a series of problems such as agglomeration and hardening of dry-mixed mortar products. Especially in bulk ordinary dry-mixed mortar, due to the good sealing and poor air permeability of bulk tanks, the moisture of recycled aggregate cannot evaporate freely, and it is easily absorbed by cementitious materials such as cement, causing bulk dry-mixed mortar to agglomerate in bulk silos, resulting in a series of problems such as poor material discharge, inability to store for a long time, and strength reduction, which seriously affect the normal use of the product. In the prior art, there are usually two countermeasures to this problem: on the one hand, the recycled concrete aggregate is dried to reduce its moisture content, but this process requires special drying equipment and causes a significant increase in cost. On the other hand, the recycled aggregate is mixed with other aggregates with lower moisture content to control the overall moisture content of the aggregate, but this practice will limit the dosage of recycled aggregate, resulting in its large-scale application being limited. Therefore, there is an urgent need for a pre-dewatering device for recycled aggregate to reduce the high cost of subsequent drying. Summary of the invention

[0004] The purpose of the present invention is to provide a pre-dewatering device for recycled aggregate of roadbed materials, which has the advantages of reducing the presence of dust and fine particles in the aggregate, bringing guarantee for the subsequent utilization of the recycled aggregate, while increasing the uniform heating of the aggregate and helping to screen out the dust and fine particles inside the aggregate, increasing the waste heat recovery and utilization of the pre-dewatering device, and repeatedly reducing the emission of waste heat.

[0005] The above technical purpose of the present invention is achieved through the following technical solutions: a pre-dewatering device for recycled aggregate of roadbed materials, including an outer shell mechanism, the outer shell mechanism includes a shell, a transmission and screening mechanism is arranged inside the shell, the transmission and screening mechanism includes a transmission component, a collecting component and a moving component, the transmission component includes an active roller and a driven roller, the collecting component includes a bottom plate, a frame is arranged on the top of the bottom plate, a dewatering mechanism is arranged on the top of the shell, the dewatering mechanism includes a dewatering component and a transmission component, the dewatering component includes an inner shell, the number of the inner shells is two, and they are fixedly connected to each other with the shell, the transmission component includes a rotating rod 1 and a rotating rod 2, and the two inner shells are respectively rotatably connected to the rotating rod 1 and the rotating rod 2 through bearings.

[0006] By adopting the above technical scheme, when pre-dewatering the recycled aggregate of the roadbed material, the recycled aggregate is preferentially put into the surface of the mesh chain conveyor belt at one end of the active roller. At this time, the transmission component is set to realize the transmission of the aggregate by the mesh chain conveyor belt. At the same time, the cam roller cooperates with the mesh chain conveyor belt to realize the oscillating operation in the middle, which will cause the aggregate to bump and flip, increase the uniform heating of the aggregate, and help the dust and fine particles inside the aggregate to pass through the gap of the mesh chain conveyor belt. Then the dust and fine particles will be collected by the collection component. And the moving component moves synchronously with the transmission component, which will enable the bottom plate and the frame to realize reciprocating operation, avoiding the accumulation of dust and fine particles inside the frame in one place and causing the accumulation inside the frame to be general, wherein the reciprocating motion setting realizes the flatness of the dust inside the frame, reduces the frequent dumping of the frame, and the setting of the mesh chain conveyor belt and the cam roller is conducive to realizing the uniform heating of the aggregate while reducing the existence of dust and fine particles inside it, avoiding the dust from affecting the subsequent use of the aggregate, and providing guarantee for the subsequent use of the recycled aggregate. At the same time, when pre-dehydrating the recycled aggregate of the roadbed material, the setting of the dehydration component can realize the pre-dehydration of the recycled aggregate, and the fan blows the hot air downward. Through the setting of the transfer component, the residual heat after contacting the aggregate can be transferred and guided, so that the air with residual heat can contact the aggregate that just enters the shell and is about to leave the shell. Through this setting, the waste heat recovery of the pre-dehydration device is increased, the emission of waste heat can be repeatedly reduced, and at the same time, the preheating of the aggregate that is about to enter the shell and the re-contact dehydration of the aggregate that is about to leave the shell are increased.

[0007] The present invention is further configured as follows: an inspection panel, a visual window and a door body are sequentially provided on the surface of the shell, the shell and the inspection panel are bolted to each other, the visual window is embedded in the shell surface, the door body and the shell are hinged to each other, a handle is fixedly installed on the surface of the door body, and support plate one and support plate two are respectively fixedly installed on both sides of both ends of the shell.

[0008] By adopting the above technical solution, the inspection plate facilitates the inspection and maintenance of the structure inside the shell, and the visual window facilitates the viewing of the aggregate condition inside the shell. The opening of the door body will facilitate the taking operation of the frame, and the handle will facilitate the opening and use of the door body. Support plate 1 and support plate 2 respectively cooperate with the active roller and the driven roller for support, and rotate together with them.

[0009] The present invention is further configured as follows: the active roller and the driven roller are respectively located at two ends of the shell, the active roller and the driven roller are respectively rotatably connected to support plate 1 and support plate 2, the surface of the active roller is sleeved with a mesh chain transmission belt sleeved with the driven roller, a rotating motor is fixedly installed on one side of support plate 1 located on one side of the shell, and the output end of the rotating motor is fixedly sleeved with the active roller through a coupling.

[0010] By adopting the above technical solution, the operation of the rotating motor will drive the active roller to rotate, wherein the synchronous rotation of the active roller and the driven roller is realized by the setting of the mesh chain conveyor belt, thereby realizing the transmission of aggregate on the surface of the mesh chain conveyor belt.

[0011] The present invention is further configured as follows: cam rollers are provided at both ends of the inner side of the mesh chain conveyor belt, the cam roller surface and the driven roller surface located at the left end of the mesh chain conveyor belt both penetrate to the rear side of the shell body and are fixedly sleeved with a synchronous wheel one, a synchronous belt one is sleeved between the two synchronous wheels one, one end of the two cam rollers are fixedly sleeved with a synchronous wheel two, and a synchronous belt two is sleeved between the two synchronous wheels two.

[0012] By adopting the above technical solution, through the setting of synchronous wheel one and synchronous belt one, the synchronous rotation of the mesh chain transmission belt and the left cam roller therein can be achieved, and through the setting of synchronous belt two and synchronous wheel two, the synchronous rotation of the two cam rollers can be achieved.

[0013] The present invention is further configured as follows: guide plates fixedly connected to the inside of the shell are provided at both ends of the top of the frame, clamping blocks are fixedly installed at both ends of the bottom of the frame, a clamping groove for cooperating with the clamping block is provided inside the bottom plate, a fixing plate is fixedly installed at both ends of the frame, a plug rod penetrating the fixing plate to the inside of the bottom plate is provided on the top of the fixing plate, and slots for cooperating with the plug rod are provided inside the fixing plate and the bottom plate.

[0014] By adopting the above technical solution, the guide plate guides the fine dust that falls to the bottom of the mesh chain conveyor belt and guides it into the inside of the frame. The frame collects the dust and fine particles. When the frame needs to be taken out and cleaned, the plug rod can be pulled out of the slot. At this time, the fixed plate and the bottom plate can be separated, and the frame can be dragged so that the card block gradually detaches from the card slot, thereby realizing the removal and disassembly of the frame.

[0015] The present invention is further configured as follows: the moving assembly includes a connecting rod, the connecting rod and the shell are rotatably connected to each other through a bearing, a disc is fixedly installed on one end of the connecting rod, a clamping piece is fixedly installed on the surface of the disc, a clamping ring is clamped on the surface of the clamping piece, a connecting piece fixedly connected to the base plate is fixedly installed on one side of the clamping ring, one end of the connecting rod passes through the rear side of the shell and is fixedly sleeved with a synchronous wheel three on one end of the active roller, a synchronous belt three is sleeved on the surfaces of the two synchronous wheels three, a slide rail is fixedly installed on the bottom of the shell, and a slide groove for cooperating with the slide rail is provided at the bottom of the base plate.

[0016] By adopting the above technical scheme, the synchronous rotation of the active roller and the connecting rod will be realized through the setting of synchronous wheel three and synchronous belt three, wherein the rotation of the connecting rod will drive the disc one to rotate, and the disc one will drive the clamping part one to move, thereby realizing the movement change of the clamping ring one, and the clamping ring one drives the connecting part one to move horizontally, and the connecting part one synchronously drives the base plate to reciprocate, and through the sliding connection between the slide rail and the slide groove, the base plate will be smoothly guided to move inside the shell.

[0017] The present invention is further configured as follows: a partition is fixedly installed between the two inner shells, a fan is embedded in the partition, support rods fixedly connected to the inner shells are provided on both sides of the top of the partition, and a heating wire is fixedly installed between the two support rods.

[0018] By adopting the above technical solution, the partition is supported by the fan and the interior of the shell is separated. The operation of the heating wire will generate heat, which will be blown to the bottom of the partition by the fan, and the support rod is supported and fixed by the heating wire.

[0019] The present invention is further configured as follows: one end of the rotating rod 1 and the rotating rod 2 both penetrate into the inner shell and are fixedly sleeved with a disc 2, a clamping part 2 is fixedly installed on the surface of the disc 2, a clamping ring 2 is clamped on the surface of the clamping part 2, a connecting part 2 is fixedly installed on the bottom of the clamping ring 2, and a piston plate slidably connected to the inner shell is fixedly installed on the bottom of the connecting part 2.

[0020] By adopting the above technical solution, the rotation of rotating rod one and rotating rod two will respectively drive the disc two at one end thereof to rotate, and the disc two will drive the clamping part two to move, while causing the clamping ring two to move and change, and the clamping ring two will drive the connecting part two and the piston plate to realize longitudinal reciprocating movement.

[0021] The present invention is further configured as follows: one end of the rotating rod 1 and the rotating rod 2 are fixedly sleeved with a synchronous wheel 4 located on the rear side of the shell, the surfaces of the two synchronous wheels 4 are mutually sleeved with a synchronous belt 4, one end of the rotating rod 1 and the driven roller are fixedly sleeved with a synchronous wheel 5, the surfaces of the two synchronous wheels 5 are mutually sleeved with a synchronous belt 5, a one-way valve 1 is embedded in the bottom of the inner shell, a one-way valve 2 is embedded in one side of the inner shell, and one end of the one-way valve 2 is connected to a guide pipe.

[0022] By adopting the above technical scheme, the synchronous rotation of the rotating rod 1 and the driven roller will be realized through the setting of the synchronous wheel 5 and the synchronous belt 5, and the synchronous rotation of the rotating rod 1 and the rotating rod 2 will be realized by the setting of the synchronous wheel 4 and the synchronous belt 4. The one-way valve 1 cooperates with the interior of the inner shell to realize that the gas can only enter but not exit, and the one-way valve 2 cooperates with the interior of the inner shell to realize that the gas can only exit but not enter. The guide pipe cooperates with the waste heat air discharged from the inner shell to guide it to fully contact with the aggregate again.

[0023] In summary, the present invention has the following beneficial effects: When pre-dewatering the recycled aggregate of the roadbed material, the recycled aggregate is first put into the surface of the mesh chain conveyor belt at one end of the active roller. The cam roller cooperates with the mesh chain conveyor belt to realize the oscillating operation in the middle, which will cause the aggregate to bump and flip, increase the uniform heating of the aggregate, and help the dust and fine particles inside the aggregate to pass through the gaps of the mesh chain conveyor belt. The frame then collects the dust and fine particles, and the reciprocating operation of the bottom plate and the frame prevents the dust and fine particles inside the frame from accumulating in one place, resulting in a general accumulation inside the frame, achieving the flatness of the dust inside the frame, reducing the frequent dumping of the frame, reducing the existence of dust and fine particles inside it, and avoiding the dust from affecting the subsequent use of the aggregate, thus ensuring the subsequent use of the recycled aggregate; When pre-dehydrating recycled aggregates of roadbed materials, the fan blows hot air downward, and the movement of the piston plate cooperates with one-way valve 1 and one-way valve 2 to realize the extraction of air by the inner shell, and the guide pipe cooperates with the residual hot air discharged from the inner shell to guide it to fully contact the aggregate again. Through this setting, the residual heat after contact with the aggregate can be transferred and guided, so that the air with residual heat can contact the aggregate that has just entered the shell and is about to leave the shell. Through this setting, the residual heat recovery of the pre-dehydration device is increased, the emission of residual heat can be repeatedly reduced, and at the same time, the preheating of the aggregate that is about to enter the shell and the re-contact dehydration of the aggregate that is about to leave the shell are increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the transmission screening mechanism and water removal mechanism of the present invention; Figure 3It is an enlarged schematic diagram of the transmission component, the moving component and the transfer component of the present invention; Figure 4 It is an enlarged schematic diagram of the collecting component and the moving component of the present invention; Figure 5 It is an exploded and enlarged schematic diagram of the collecting component and the moving component of the present invention; Figure 6 It is an exploded and enlarged schematic diagram of the water removal component of the present invention; Figure 7 is an enlarged schematic cross-sectional view of the inner shell of the present invention; Figure 8 It is an exploded and enlarged schematic diagram of the transmission component of the present invention.

[0025] Reference numerals: 1. Shell mechanism; 101. Shell; 102. Inspection panel; 103. Visual window; 104. Door body; 105. Handle; 106. Support plate 1; 107. Support plate 2; 2. Transmission and screening mechanism; 201. Transmission assembly; 2011. Active roller; 2012. Driven roller; 2013. Mesh chain transmission belt; 2014. Rotating motor; 2015. Cam roller; 2016. Synchronous wheel one; 2017. Synchronous belt one; 2018. Synchronous wheel two; 2019. Synchronous belt two; 202, collecting assembly; 2021, bottom plate; 2022, frame; 2023, guide plate; 2024, clamping block; 2025, clamping groove; 2026, fixing plate; 2027, plug rod; 2028, slot; 203, moving assembly; 2031, connecting rod; 2032, disc 1; 2033, clamping piece 1; 2034, clamping ring 1; 2035, connecting piece 1; 2036, synchronous wheel 3; 2037, synchronous belt 3; 2038, slide rail; 2039, slide groove; 3. Water removal mechanism; 301. Water removal assembly; 3011. Inner shell; 3012. Partition plate; 3013. Fan; 3014. Support rod; 3015. Heating wire; 302, transmission assembly; 3021, rotating rod one; 3022, rotating rod two; 3023, disc two; 3024, clamping part two; 3025, clamping ring two; 3026, connecting part two; 3027, piston plate; 3028, synchronous wheel four; 3029, synchronous belt four; 30210, synchronous wheel five; 30211, synchronous belt five; 30213, one-way valve one; 30214, one-way valve two; 30215, guide pipe. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0027] Embodiment 1: refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A pre-dewatering device for recycled aggregate of roadbed materials includes a shell mechanism 1, the shell mechanism 1 includes a shell 101, a transmission and screening mechanism 2 is arranged inside the shell 101, the transmission and screening mechanism 2 includes a transmission component 201, a collecting component 202 and a moving component 203, the transmission component 201 includes an active roller 2011 and a driven roller 2012, the collecting component 202 includes a bottom plate 2021, and a frame 2022 is arranged on the top of the bottom plate 2021. When pre-dewatering the recycled aggregate of roadbed materials, the recycled aggregate is preferentially put into the surface of a mesh chain conveyor belt 2013 at one end of the active roller 2011, and the cam roller 2015 cooperates with the mesh chain conveyor belt 2013 to realize the oscillating operation in the middle thereof, which will cause the aggregate to bump and flip, increase the uniform heating of the aggregate, and help the dust and fine particles inside the aggregate to pass through the gaps of the mesh chain conveyor belt 2013. Then the frame 2022 collects the dust and fine particles, and the reciprocating operation of the bottom plate 2021 and the frame 2022 prevents the dust and fine particles inside the frame 2022 from piling up in one place and causing the accumulation amount inside the frame 2022 to be normal, thereby achieving the flatness of the dust inside the frame 2022, reducing the frequent dumping of the frame 2022, reducing the presence of dust and fine particles inside it, and preventing the dust from affecting the subsequent use of the aggregate, thereby ensuring the subsequent utilization of the recycled aggregate.

[0028] refer to Figure 1 The surface of the shell 101 is provided with an inspection plate 102, a visual window 103 and a door body 104 in sequence, the shell 101 and the inspection plate 102 are bolted to each other, the visual window 103 is embedded in the surface of the shell 101, the door body 104 and the shell 101 are hinged to each other, and a handle 105 is fixedly installed on the surface of the door body 104, and a support plate 106 and a support plate 2 107 are fixedly installed on both sides of both ends of the shell 101, respectively. The inspection plate 102 is convenient for the inspection and maintenance of the internal structure of the shell 101, and the visual window 103 is convenient for checking the aggregate situation inside the shell 101, the opening of the door body 104 will facilitate the taking operation of the frame 2022, and the handle 105 will facilitate the opening and use of the door body 104, the support plate 106 and the support plate 2 107 respectively cooperate with the active roller 2011 and the driven roller 2012 for support, and cooperate with them to rotate.

[0029] refer to Figure 1 , Figure 2 , Figure 3The active roller 2011 and the driven roller 2012 are respectively located at two ends of the shell 101, and the active roller 2011 and the driven roller 2012 are respectively rotatably connected with the support plate 106 and the support plate 2 107. The surface of the active roller 2011 is sleeved with a mesh chain conveyor belt 2013 sleeved with the driven roller 2012. A rotating motor 2014 is fixedly installed on one side of the support plate 106 located on one side of the shell 101. The output end of the rotating motor 2014 is fixedly sleeved with the active roller 2011 through a coupling. The operation of the rotating motor 2014 will drive the active roller 2011 to rotate, wherein the synchronous rotation of the active roller 2011 and the driven roller 2012 is realized by the setting of the mesh chain conveyor belt 2013, thereby realizing the transmission of aggregate on the surface of the mesh chain conveyor belt 2013.

[0030] refer to Figure 2 , Figure 3 Cam rollers 2015 are provided at both ends of the inner side of the mesh chain conveyor belt 2013. The surface of the cam roller 2015 and the surface of the driven roller 2012 located at the left end of the mesh chain conveyor belt 2013 both penetrate to the rear side of the shell 101 and are fixedly sleeved with a synchronous wheel 2016. A synchronous belt 1 2017 is sleeved between the two synchronous wheels 2016. One end of the two cam rollers 2015 is fixedly sleeved with a synchronous wheel 2018. A synchronous belt 2019 is sleeved between the two synchronous wheels 2018. By setting the synchronous wheel 1 2016 and the synchronous belt 1 2017, the mesh chain conveyor belt 2013 and the left cam roller 2015 can rotate synchronously, and by setting the synchronous belt 2 2019 and the synchronous wheel 2 2018, the two cam rollers 2015 can rotate synchronously.

[0031] refer to Figure 2 , Figure 4 , Figure 5, both ends of the top of the frame 2022 are provided with guide plates 2023 fixedly connected to the inside of the shell 101, both ends of the bottom of the frame 2022 are fixedly installed with clamping blocks 2024, the interior of the bottom plate 2021 is provided with clamping grooves 2025 for clamping with the clamping blocks 2024, and both ends of the frame 2022 are fixedly installed with fixing plates 2026, and the top of the fixing plate 2026 is provided with a plug rod 2027 that penetrates the fixing plate 2026 to the inside of the bottom plate 2021, and the fixing plate 2026 and the bottom plate 2021 are provided with a plug rod 2027 for plugging. The slot 2028 is used, and the guide plate 2023 guides the fine dust that falls to the bottom of the mesh chain conveyor belt 2013 and guides it into the frame 2022. The frame 2022 collects the dust and fine particles. When the frame 2022 needs to be taken out and cleaned, the insertion rod 2027 can be pulled out from the slot 2028. At this time, the fixing plate 2026 can be separated from the bottom plate 2021, and the frame 2022 can be dragged so that the clamping block 2024 gradually disengages from the clamping slot 2025, thereby realizing the removal and disassembly of the frame 2022.

[0032] refer to Figure 2 , Figure 3 , Figure 5 The moving assembly 203 includes a connecting rod 2031, and the connecting rod 2031 is rotatably connected to the housing 101 through a bearing. A disc 2032 is fixedly installed on one end of the connecting rod 2031, and a clamping piece 2033 is fixedly installed on the surface of the disc 2032. A clamping ring 2034 is clamped on the surface of the clamping piece 2033, and a connecting piece 2035 fixedly connected to the bottom plate 2021 is fixedly installed on one side of the clamping ring 2034. One end of the connecting rod 2031 passes through the rear side of the housing 101 and is fixedly sleeved with a synchronous wheel 3 2036 on one end of the active roller 2011. The surfaces of the two synchronous wheels 3 2036 are sleeved with synchronous belts 3 2037. A slide rail 2038 is fixedly installed at the bottom of the housing 101. A slide groove 2039 is provided at the bottom of the plate 2021 for cooperating with the slide rail 2038. The synchronous rotation of the active roller 2011 and the connecting rod 2031 will be realized through the setting of the synchronous wheel three 2036 and the synchronous belt three 2037. The rotation of the connecting rod 2031 will drive the disk 1 2032 to rotate, and the disk 1 2032 will drive the clamping part 1 2033 to move, thereby realizing the movement change of the clamping ring 1 2034, and the clamping ring 1 2034 drives the connecting part 1 2035 to move horizontally, and the connecting part 1 2035 synchronously drives the bottom plate 2021 to reciprocate, and through the sliding connection between the slide rail 2038 and the slide groove 2039, the bottom plate 2021 will be smoothly guided to move inside the shell 101.

[0033] Brief description of the use process: When pre-dewatering the recycled aggregate of the roadbed material, the recycled aggregate is preferentially put into the surface of the mesh chain conveyor belt 2013 at one end of the active roller 2011. At this time, the operation of the rotating motor 2014 will drive the active roller 2011 to rotate, wherein the setting of the mesh chain conveyor belt 2013 realizes the synchronous rotation of the active roller 2011 and the driven roller 2012, thereby realizing the transmission of the aggregate on the surface of the mesh chain conveyor belt 2013. At the same time, through the setting of synchronous wheel 1 2016 and synchronous belt 1 2017, the synchronous rotation of the mesh chain conveyor belt 2013 and the left cam roller 2015 therein will be realized, and through the setting of synchronous belt 2 2019 and synchronous wheel 2 2018, the synchronous rotation of the two cam rollers 2015 will be realized. The cam roller 2015 cooperates with the mesh chain conveyor belt 2013 to realize the oscillating operation in the middle part, which will cause the aggregate to bump and flip, increase the uniform heating of the aggregate, and help the dust and fine particles inside the aggregate to pass through the gaps of the mesh chain conveyor belt 2013. Then the guide plate 2023 guides the fine dust that falls to the bottom of the mesh chain conveyor belt 2013 and guides it into the frame 2022. The frame 2022 collects the dust and fine particles. When the frame 2022 needs to be taken and cleaned, the plug 2027 can be pulled out from the slot 2028. At this time, the fixed plate 2026 can be separated from the bottom plate 2021, and the frame 2022 can be dragged so that the clamping block 2024 gradually disengages from the clamping slot 2025, thereby realizing the removal and disassembly of the frame 2022. The synchronous wheel 2036 and the synchronous belt 2037 are arranged to realize the synchronous rotation of the active roller 2011 and the connecting rod 2031, wherein the rotation of the connecting rod 2031 drives the disk 1 2032 to rotate, and the disk 1 2032 drives the clamping member 1 2033 to move, thereby realizing the movement change of the clamping ring 1 2034, and the clamping ring 1 2034 drives the connecting member 1 2035 to move horizontally, and the connecting member 1 2035 synchronously drives the bottom plate 2021 to reciprocate, and through the sliding connection between the slide rail 2038 and the slide groove 2039, the bottom plate 2021 is moved inside the housing 101. The smooth movement guide will enable the bottom plate 2021 and the frame 2022 to achieve reciprocating movement, avoiding the accumulation of dust and fine particles inside the frame 2022 in one place, resulting in a normal accumulation inside the frame 2022. The reciprocating motion setting can achieve the flatness of the dust inside the frame 2022, reducing the frequent dumping of the frame 2022. The setting of the mesh chain conveyor belt 2013 and the cam roller 2015 is beneficial to achieving uniform heating of the aggregate while reducing the presence of dust and fine particles inside, avoiding the impact of dust on the subsequent use of the aggregate, and ensuring the subsequent utilization of the recycled aggregate.

[0034] Embodiment 2: refer to Figure 1 , Figure 2 , Figure 3, Figure 6 , Figure 7 , Figure 8 A pre-dewatering device for recycled aggregate of roadbed materials comprises a shell mechanism 1, a dewatering mechanism 3 is arranged on the top of the shell 101, the dewatering mechanism 3 comprises a dewatering component 301 and a transmission component 302, the dewatering component 301 comprises an inner shell 3011, the number of the inner shells 3011 is two, and they are fixedly connected with the shell 101, the transmission component 302 comprises a rotating rod 1 3021 and a rotating rod 2 3022, the two inner shells 3011 are respectively connected with the rotating rod 1 3021 and the rotating rod 2 3022 through bearings, and the dewatering component 301 comprises a dewatering component 301 and a transmission component 302, and the dewatering component 301 comprises an inner shell 3011, the number of the inner shells 3011 is two, and they are fixedly connected with the shell 101, the transmission component 302 comprises a rotating rod 1 3021 and a rotating rod 2 3022, and the two inner shells 3011 are respectively connected with the rotating rod 1 3021 and the rotating rod 2 3022 through bearings. When the raw aggregate is pre-dehydrated, the fan 3013 blows the hot air downward, and the movement of the piston plate 3027 cooperates with the one-way valve 1 30213 and the one-way valve 2 30214 to realize the extraction of air from the inner shell 3011, and the guide pipe 30215 cooperates with the residual hot air discharged from the inner shell 3011 to guide it to fully contact with the aggregate again. Through this arrangement, the residual heat after contacting the aggregate can be transferred and guided, so that the air with residual heat can contact the aggregate that has just entered the shell 101 and is about to leave the shell 101. Through this arrangement, the residual heat recovery of the pre-dehydration device is increased, the emission of residual heat can be repeatedly reduced, and at the same time, the preheating of the aggregate that is about to enter the shell 101 and the re-contact dehydration of the aggregate that is about to leave the shell 101 are increased.

[0035] refer to Figure 2 , Figure 6 A partition 3012 is fixedly installed between the two inner shells 3011, and a fan 3013 is embedded in the partition 3012. Support rods 3014 fixedly connected to the inner shell 3011 are provided on both sides of the top of the partition 3012. A heating wire 3015 is fixedly installed between the two support rods 3014. The partition 3012 cooperates with the fan 3013 for support and realizes the separation inside the shell 101. The operation of the heating wire 3015 will generate heat, and through the action of the fan 3013, it is blown to the bottom of the partition 3012, and the support rods 3014 cooperate with the heating wire 3015 for support and fixation.

[0036] refer to Figure 2 , Figure 7 , Figure 8One end of the rotating rod 1 3021 and the rotating rod 2 3022 both penetrate into the inner shell 3011 and are fixedly sleeved with the disc 2 3023, the surface of the disc 2 3023 is fixedly installed with the clamping piece 2 3024, the surface of the clamping piece 2 3024 is clamped with the clamping ring 2 3025, the bottom of the clamping ring 2 3025 is fixedly installed with the connecting piece 2 3026, and the bottom of the connecting piece 2 3026 is fixedly installed with the piston plate 3027 slidably connected to the inner shell 3011. The rotation of the rotating rod 1 3021 and the rotating rod 2 3022 will respectively drive the disc 2 3023 at one end thereof to rotate, and the disc 2 3023 will drive the clamping piece 2 3024 to move, and at the same time make the clamping ring 2 3025 move and change, and the clamping ring 2 3025 drives the connecting piece 2 3026 and the piston plate 3027 to realize longitudinal reciprocating movement.

[0037] refer to Figure 2 , Figure 3 , Figure 7 , one end of the rotating rod 1 3021 and the rotating rod 2 3022 are fixedly sleeved with a synchronous wheel 4 3028 located at the rear side of the shell 101, and the surfaces of the two synchronous wheels 4 3028 are mutually sleeved with a synchronous belt 4 3029, one end of the rotating rod 1 3021 and the driven roller 2012 are fixedly sleeved with a synchronous wheel 5 30210, and the surfaces of the two synchronous wheels 5 30210 are mutually sleeved with a synchronous belt 5 30211, a one-way valve 1 30213 is embedded in the bottom of the inner shell 3011, and a one-way valve 2 30214 is embedded in one side of the inner shell 3011, and one end of the one-way valve 2 30214 is connected to the guide pipe 30 215. By setting the synchronous wheel five 30210 and the synchronous belt five 30211, the synchronous rotation of the rotating rod one 3021 and the driven roller 2012 will be realized, and the setting of the synchronous wheel four 3028 and the synchronous belt four 3029 will realize the synchronous rotation of the rotating rod one 3021 and the rotating rod two 3022. The one-way valve one 30213 cooperates with the inner shell 3011 to realize that the gas can only enter but not exit, and the one-way valve two 30214 cooperates with the inner shell 3011 to realize that the gas can only exit but not enter. The guide pipe 30215 cooperates with the waste heat air discharged from the inner shell 3011 to guide it so that it can fully contact with the aggregate again.

[0038] Brief description of the use process: When pre-dewatering the recycled aggregate of the roadbed material, the partition 3012 cooperates with the fan 3013 to support and realize the separation inside the shell 101, the operation of the heating wire 3015 will generate heat, and through the action of the fan 3013, it will be blown to the bottom of the partition 3012, and the support rod 3014 cooperates with the heating wire 3015 to support and fix. During the operation of the rotating motor 2014, the synchronous wheel 5 30210 and the synchronous belt 5 30211 will realize the synchronous rotation of the rotating rod 1 3021 and the driven roller 2012, and the synchronous wheel 4 3028 and the synchronous belt 4 3029 will realize the synchronous rotation of the rotating rod 1 3021 and the rotating rod 2 3022. The rotation of the rotating rod 1 3021 and the rotating rod 2 3022 will respectively drive the disk 2 3023 at one end thereof to rotate, and the disk 2 3023 will drive the clamping part 2 3024 to move, and at the same time make the clamping ring 2 3025 move and change, and the clamping ring 2 3025 drives the connecting part 2 3026 and the piston plate 3027 to realize longitudinal reciprocating movement. The movement of the piston plate 3027 will cooperate with the one-way valve 1 30213 and the one-way valve 2 30214 to realize the extraction of air from the inner shell 3011, the one-way valve 1 30213 cooperates with the inner shell 3011 to realize that the gas can only enter but not exit, and the one-way valve 2 30214 cooperates with the inner shell 3011 to realize that the gas can only exit but not enter, and the guide pipe 30215 cooperates with the exhaust hot air discharged from the inner shell 3011 to guide it to fully contact with the aggregate again. Through this arrangement, the residual heat after contacting with the aggregate can be transferred and guided, so that the air with residual heat can contact the aggregate that has just entered the shell 101 and is about to leave the shell 101. Through this arrangement, the residual heat recovery of the pre-dehydration device is increased, the emission of residual heat can be repeatedly reduced, and at the same time, the preheating of the aggregate that is about to enter the shell 101 and the re-contact dehydration of the aggregate that is about to leave the shell 101 are increased.

[0039] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A pre-dewatering device for recycled aggregate of roadbed materials, comprising a housing mechanism (1), characterized in that: The shell mechanism (1) comprises a shell (101), a transmission and screening mechanism (2) is provided inside the shell (101), the transmission and screening mechanism (2) comprises a transmission component (201), a collection component (202) and a moving component (203), the transmission component (201) comprises an active roller (2011) and a driven roller (2012), the collection component (202) comprises a bottom plate (2021), a frame (2022) is provided on the top of the bottom plate (2021), and the top of the shell (101) is provided with a frame body (2022). A water removal mechanism (3) is provided, the water removal mechanism (3) comprising a water removal component (301) and a transmission component (302), the water removal component (301) comprising an inner shell (3011), the inner shells (3011) being two in number and fixedly connected to the housing (101), the transmission component (302) comprising a first rotating rod (3021) and a second rotating rod (3022), the two inner shells (3011) being rotatably connected to the first rotating rod (3021) and the second rotating rod (3022) respectively via bearings.

2. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 1 is characterized by: The surface of the shell (101) is provided with an inspection plate (102), a visual window (103) and a door body (104) in sequence; the shell (101) and the inspection plate (102) are bolted to each other; the visual window (103) is embedded in the surface of the shell (101); the door body (104) and the shell (101) are hinged to each other; a handle (105) is fixedly mounted on the surface of the door body (104); and a support plate 1 (106) and a support plate 2 (107) are fixedly mounted on both sides of both ends of the shell (101).

3. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 2 is characterized in that: The active roller (2011) and the driven roller (2012) are respectively located at two ends of the housing (101); the active roller (2011) and the driven roller (2012) are respectively rotatably connected to the first support plate (106) and the second support plate (107); a mesh chain transmission belt (2013) which is sleeved with the driven roller (2012) is sleeved on the surface of the active roller (2011); a rotating motor (2014) is fixedly mounted on one side of the support plate (106) located on one side of the housing (101); and an output end of the rotating motor (2014) is fixedly sleeved with the active roller (2011) via a coupling.

4. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 3 is characterized by: Cam rollers (2015) are provided at both ends of the inner side of the mesh chain conveyor belt (2013); the surface of the cam roller (2015) and the surface of the driven roller (2012) located at the left end of the mesh chain conveyor belt (2013) both penetrate to the rear side of the shell (101) and are fixedly sleeved with a synchronous wheel one (2016); a synchronous belt one (2017) is sleeved between the two synchronous wheels one (2016); one end of the two cam rollers (2015) is fixedly sleeved with a synchronous wheel two (2018); and a synchronous belt two (2019) is sleeved between the two synchronous wheels two (2018).

5. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 1, characterized in that: Both ends of the top of the frame (2022) are provided with guide plates (2023) fixedly connected to the inside of the shell (101), both ends of the bottom of the frame (2022) are fixedly installed with clamping blocks (2024), the inside of the bottom plate (2021) is provided with clamping grooves (2025) for use in conjunction with the clamping blocks (2024), both ends of the frame (2022) are fixedly installed with fixing plates (2026), the top of the fixing plate (2026) is provided with an insertion rod (2027) that passes through the fixing plate (2026) to the inside of the bottom plate (2021), and the inside of the fixing plate (2026) and the bottom plate (2021) are provided with slots (2028) for use in conjunction with the insertion rod (2027).

6. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 5, characterized in that: The moving assembly (203) comprises a connecting rod (2031), wherein the connecting rod (2031) and the housing (101) are rotatably connected to each other via a bearing, a disc 1 (2032) is fixedly mounted on one end of the connecting rod (2031), a clamping piece 1 (2033) is fixedly mounted on the surface of the disc 1 (2032), a clamping ring 1 (2034) is clamped on the surface of the clamping piece 1 (2033), and a clamping ring 1 (2034) is fixedly mounted on one side of the clamping ring 1 (2034) and is fixedly mounted on the bottom plate (221). A connecting piece (2035) is fixedly connected, one end of the connecting rod (2031) passes through the rear side of the shell (101) and is fixedly sleeved with a synchronous wheel (2036) on one end of the active roller (2011), the surfaces of the two synchronous wheels (2036) are sleeved with a synchronous belt (2037), a slide rail (2038) is fixedly installed at the bottom of the shell (101), and a slide groove (2039) is provided at the bottom of the bottom plate (221) for sliding with the slide rail (2038).

7. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 1, characterized in that: A partition (3012) is fixedly installed between the two inner shells (3011), a fan (3013) is embedded in the partition (3012), support rods (3014) fixedly connected to the inner shell (3011) are provided on both sides of the top of the partition (3012), and a heating wire (3015) is fixedly installed between the two support rods (3014).

8. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 1, characterized in that: One end of the rotating rod 1 (3021) and the rotating rod 2 (3022) both penetrate into the inner shell (3011) and are fixedly sleeved with a disc 2 (3023); a clamping member 2 (3024) is fixedly mounted on the surface of the disc 2 (3023); a clamping ring 2 (3025) is clamped on the surface of the clamping member 2 (3024); a connecting member 2 (3026) is fixedly mounted on the bottom of the clamping ring 2 (3025); a piston plate (3027) slidably connected to the inner shell (3011) is fixedly mounted on the bottom of the connecting member 2 (3026).

9. The pre-dewatering device for recycled aggregate of roadbed materials according to claim 8, characterized in that: One end of the rotating rod 1 (3021) and the rotating rod 2 (3022) are both fixedly sleeved with a synchronous wheel 4 (3028) located at the rear side of the shell (101), and the surfaces of the two synchronous wheels 4 (3028) are mutually sleeved with a synchronous belt 4 (3029), one end of the rotating rod 1 (3021) and the driven roller (2012) are both fixedly sleeved with a synchronous wheel 5 (30210), and the surfaces of the two synchronous wheels 5 (30210) are mutually sleeved with a synchronous belt 5 (30211), a one-way valve 1 (30213) is embedded in the bottom of the inner shell (3011), a one-way valve 2 (30214) is embedded in one side of the inner shell (3011), and one end of the one-way valve 2 (30214) is connected to a guide pipe (30215).

Images