Foamed asphalt cold recycling milling device

Abstract

The utility model provides a foamed asphalt cold recycling milling device which comprises a protective box, a connecting box, an inclined plate, a diesel engine, a transmission assembly, a milling assembly and a crushing assembly, the right side of the protective box is fixedly connected with the connecting box, the bottom end of the connecting box is fixedly connected with the inclined plate, and a discharging groove is formed in the outer wall of the inclined plate; symmetrical guide grooves are formed in the front end and the rear end, close to the left side, of the protection box correspondingly, milling assemblies are arranged in the guide grooves, a smashing assembly is arranged in the connecting box, and the milling assemblies are provided with drill bits and digging shovels, so that the asphalt milling efficiency can be effectively improved, the situation that the ground is milled through single equipment is avoided, and the working efficiency is improved. The defects that milling is not thorough due to different hardness of asphalt, and equipment release force can be mutually supplemented when the asphalt is milled in different modes are overcome, the working efficiency is improved, and a plurality of toothed plates are arranged on the surface of a first transmission rod, so that the milled asphalt can be pushed into a rear side connecting box.

Description

Technical Field

[0001] The utility model relates to the technical field of foamed asphalt cold recycling, in particular to a milling device in a cold recycler. Background Technique

[0002] At present, the development of highways in China has shifted from mainly construction to both construction and maintenance, and the built highways have successively entered the implementation period of maintenance projects. In the past actual situation, for traditional road repair and maintenance, especially the major repair of asphalt pavements on national and provincial roads, the existing damaged road surfaces need to be dug out. The waste materials generated will cause environmental pollution. The new stones consumed for re-paving new road surfaces will damage the ecology and increase costs. The foamed asphalt in-situ cold recycling technology can realize the recycling of waste road surface materials, reduce the mining and processing of stones, maximize the solution of problems such as the transportation of waste road surface materials and environmental pollution, promote energy conservation and emission reduction, effectively shorten the construction period, and reduce the road construction and maintenance costs.

[0003] According to a disclosed building construction exploration device (the authorization announcement number is: CN216040590U), it is described that "a recycling device for in-situ cold of foamed asphalt includes: a U-shaped working frame, and a transmission mechanism, two milling mechanisms and two auxiliary mechanisms are arranged on the U-shaped working frame; the transmission mechanism includes a motor, a first rotating rod, a first driving bevel gear, two fixing plates, a second rotating rod and a first driven bevel gear. The motor is fixedly installed on the top of the U-shaped working frame, the first rotating rod is fixedly installed on the output shaft of the motor, and the bottom end of the first rotating rod extends below the U-shaped working frame and is rotatably connected to the U-shaped working frame. The technical problem solved by the utility model is to provide a recycling device for in-situ cold of foamed asphalt that can break the damaged asphalt ground while crushing, and can make the foamed asphalt better blend with the scattered old asphalt".

[0004] The existing milling components cannot push and transport the milled asphalt, resulting in the accumulation of asphalt blocks together, which is not conducive to subsequent crushing treatment. There is a lack of a crushing device, and only through the milling device, the asphalt cannot be completely dispersed. Therefore, a foamed asphalt cold recycling milling device is proposed. Content of the Utility Model

[0005] In view of this, the utility model provides a foamed asphalt cold recycling milling device to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0006] The technical solution of the embodiment of the utility model is implemented as follows: a foamed asphalt cold regeneration milling device comprises a protection box, a connecting box, an inclined plate, a diesel engine, a transmission assembly, a milling assembly and a crushing assembly, the right side of the protection box is fixedly connected to the connecting box, the bottom end of the connecting box is fixedly connected to the inclined plate, the outer wall of the inclined plate is provided with a discharge trough, the front and rear ends of the protection box close to the left side are respectively provided with symmetrical guide grooves, the interior of the guide groove is provided with a milling assembly, and the interior of the connecting box is provided with a crushing assembly;

[0007] The milling assembly comprises an adjustment frame, a first transmission shaft, a threaded limiting rod, a first transmission rod, a drill bit, a planing shovel and a tooth plate, the adjustment frame slides inside the guide groove, the first transmission rod is rotatably connected between the adjustment frames, the outer wall of the first transmission rod is provided with a staggered arrangement of the drill bit and the planing shovel, and a tooth plate is provided between the combination of the drill bit and the planing shovel;

[0008] The crushing assembly includes a second transmission rod, extrusion teeth, crushing teeth and a second transmission shaft. The second transmission rod is rotatably connected to the inside of the connecting box near the left side. The outer wall of the second transmission rod is fixedly connected to the extrusion teeth arranged around it. The crushing teeth are fixedly connected to the top end of the inclined plate just below the extrusion teeth.

[0009] Further preferably, the guide groove and the adjustment frame are respectively provided with a clamping groove, and the internal threads of the clamping groove are connected with a threaded limiting rod.

[0010] Further preferably, the first transmission rod and the second transmission rod are fixedly connected to a first transmission shaft and a second transmission shaft respectively.

[0011] Further preferably, the front end of the top of the protection box is fixedly connected to a diesel engine, and the output end of the diesel engine is fixedly connected to a transmission assembly;

[0012] The transmission assembly includes a first toothed belt, a second toothed belt and a transmission screw. The outer wall of the transmission screw is meshed with the first toothed belt and the second toothed belt from back to front, respectively. One end of the first toothed belt is meshed with the outer wall of the second transmission shaft, and the second toothed belt is meshed with the outer wall of the second transmission shaft.

[0013] Further preferably, wheels are installed at the four corners of the bottom end of the protective box.

[0014] Further preferably, a water tank is fixedly connected to the rear side of the top of the protection box, the outer wall of the water tank is connected through the input end of a water pump, the output end of the water pump is fixedly connected to a water pipe, one end of the water pipe is connected through a high-pressure pipe, and the outer wall of the high-pressure pipe is connected through a plurality of atomizing nozzles.

[0015] Further preferably, a connecting frame is fixedly connected between the protection box and the connecting box.

[0016] The utility model embodiment adopts the above technical solution, which has the following advantages:

[0017] 1. By starting the diesel engine to rotate, the diesel engine drives the transmission screw to rotate, and the transmission screw drives the first toothed belt and the second toothed belt to move along the tooth groove, and drives the first transmission shaft and the second transmission shaft to rotate, and drives the milling assembly and the crushing assembly to rotate. By arranging a drill bit and a planing shovel on the milling assembly, the efficiency of milling asphalt can be effectively improved, and it is avoided that a single device is used to mill the ground. Due to the different hardness of asphalt, incomplete milling is caused. By milling asphalt in different ways, the defects of releasing force of the equipment can be complemented to each other, and the work efficiency can be improved. By arranging a plurality of tooth plates on the surface of the first transmission rod, the milled asphalt can be pushed into the rear connection box;

[0018] Second, by setting a crushing device inside the connecting box, the asphalt blocks can be broken up to facilitate the subsequent fusion of foamed asphalt and avoid the asphalt blocks being too large, resulting in incomplete fusion with the foamed asphalt. The broken asphalt is discharged from the discharge trough, and the water in the water tank is pumped out by starting the water pump and introduced into the high-pressure pipe and atomizing nozzle along the water pipe, so as to facilitate the dust removal of the milled asphalt and the crushed asphalt.

[0019] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structure diagram of the utility model;

[0022] Figure 2 This is another structural diagram of the utility model as a whole from another perspective;

[0023] Figure 3 This is a schematic diagram of the combination of the protection box and the connection box of the utility model;

[0024] Figure 4 It is a schematic diagram of the milling assembly of the utility model;

[0025] Figure 5 It is a schematic diagram of the crushing component of the utility model.

[0026] : 1. protection box; 2. connection box; 3. inclined plate; 4. discharge chute; 5. connection frame; 6. diesel engine; 7. transmission assembly; 71. first toothed belt; 72. second toothed belt; 73. transmission screw; 8. milling assembly; 81. adjustment frame; 82. first transmission shaft; 83. threaded limit rod; 84. first transmission rod; 85. drill bit; 86. planing shovel; 87. tooth plate; 9. guide groove; 10. slot; 11. crushing assembly; 111. second transmission rod; 112. extrusion teeth; 113. crushing teeth; 114. second transmission shaft; 12. water tank; 13. water pipe; 14. water pump; 15. high-pressure pipe; 16. atomizing nozzle; 17. wheel. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Example

[0029] like Figure 1-Figure 5 As shown, the embodiment of the utility model provides a foamed asphalt cold regeneration milling device, including a protection box 1, a connection box 2, an inclined plate 3, a diesel engine 6, a transmission assembly 7, a milling assembly 8 and a crushing assembly 11, the right side of the protection box 1 is fixedly connected to the connection box 2, the bottom end of the connection box 2 is fixedly connected to the inclined plate 3, the outer wall of the inclined plate 3 is provided with a discharge chute 4, the front and rear ends of the protection box 1 close to the left side are respectively provided with symmetrical guide grooves 9, the interior of the guide groove 9 is provided with the milling assembly 8, and the interior of the connection box 2 is provided with the crushing assembly 11;

[0030] The milling assembly 8 includes an adjusting frame 81, a first transmission shaft 82, a threaded limiting rod 83, a first transmission rod 84, a drill bit 85, a planing shovel 86 and a tooth plate 87. The adjusting frame 81 slides inside the guide groove 9, and the first transmission rod 84 is rotatably connected between the adjusting frames 81. The outer wall of the first transmission rod 84 is provided with staggered drill bits 85 and planing shovels 86, and a tooth plate 87 is provided between the combination of the drill bits 85 and the planing shovels 86. The transmission screw 73 drives the first toothed belt 71 and the second toothed belt 72 to move along the tooth groove, and drives the first transmission shaft 82 and the second transmission shaft 114 to rotate, and drives the milling assembly 8 and the crushing assembly 11 to rotate. By arranging the drill bit 85 and the planing shovel 86 in the milling assembly 8, the efficiency of milling asphalt can be effectively improved.

[0031] The crushing assembly 11 includes a second transmission rod 111, extrusion teeth 112, crushing teeth 113 and a second transmission shaft 114. The second transmission rod 111 is rotatably connected to the inside of the connecting box 2 near the left side. The outer wall of the second transmission rod 111 is fixedly connected to the extrusion teeth 112 arranged in a surrounding manner. The crushing teeth 113 are fixedly connected to the top position of the extrusion teeth 112 of the inclined plate 3. By arranging a plurality of tooth plates 87 on the surface of the first transmission rod 84, the milled asphalt can be pushed into the interior of the rear connecting box 2. By arranging a crushing device inside the connecting box 2, the blocky asphalt can be broken up.

[0032] In one embodiment, the guide groove 9 and the adjustment frame 81 are respectively provided with a slot 10, and the internal thread of the slot 10 is connected with a threaded limiting rod 83. By connecting the equipment with the traction device along the connecting frame 5, the height of the adjustment frame 81 inside the guide groove 9 is adjusted according to the milling depth.

[0033] In one embodiment, the first transmission rod 84 and the second transmission rod 111 are fixedly connected to the first transmission shaft 82 and the second transmission shaft 114 respectively, and the diesel engine 6 drives the transmission screw 73 to rotate, and the transmission screw 73 drives the first toothed belt 71 and the second toothed belt 72 to move along the tooth groove, and drives the first transmission shaft 82 and the second transmission shaft 114 to rotate, and drives the milling assembly 8 and the crushing assembly 11 to rotate.

[0034] In one embodiment, a diesel engine 6 is fixedly connected to the top front end of the protection box 1, and a transmission assembly 7 is fixedly connected to the output end of the diesel engine 6;

[0035] The transmission assembly 7 includes a first toothed belt 71, a second toothed belt 72 and a transmission screw 73. The outer wall of the transmission screw 73 is meshed with the first toothed belt 71 and the second toothed belt 72 from back to front, respectively. One end of the first toothed belt 71 is meshed with the outer wall of the second transmission shaft 114, and the second toothed belt 72 is meshed with the outer wall of the second transmission shaft 114.

[0036] In one embodiment, wheels 17 are respectively installed at the four corners of the bottom of the protection box 1.

[0037] In one embodiment, a water tank 12 is fixedly connected to the rear side of the top of the protective box 1, and the outer wall of the water tank 12 is connected to the input end of a water pump 14, and the output end of the water pump 14 is fixedly connected to a water pipe 13, one end of the water pipe 13 is connected to a high-pressure pipe 15, and the outer wall of the high-pressure pipe 15 is connected to a plurality of atomizing nozzles 16. By starting the water pump 14, the water inside the water tank 12 is extracted and introduced into the high-pressure pipe 15 and the atomizing nozzle 16 along the water pipe 13, so as to facilitate dust removal of milled asphalt and crushed asphalt.

[0038] In one embodiment, a connection frame 5 is fixedly connected between the protection box 1 and the connection box 2 .

[0039] When the utility model is working: the equipment is connected with the traction device along the connecting frame 5, the height of the adjusting frame 81 in the guide groove 9 is adjusted according to the depth of milling, and the threaded limit rod 83 is slid out from the inside of the card slot 10 to facilitate the adjustment of the adjusting frame 81, and the first toothed belt 71 of the corresponding length is replaced according to the height of the adjusting frame 81, and the diesel engine 6 is started to rotate, and the diesel engine 6 drives the transmission screw 73 to rotate, and the transmission screw 73 drives the first toothed belt 71 and the second toothed belt 72 to move along the tooth groove, and drives the first transmission shaft 82 and the second transmission shaft 114 to rotate, and drives the milling assembly 8 and the crushing assembly 11 to rotate. By arranging a drill bit 85 and a planing shovel 86 on the milling assembly 8, the efficiency of milling asphalt can be effectively improved, and the use of When a single device is used to mill the ground, the milling is not thorough due to the different hardness of asphalt. By milling the asphalt in different ways, the defects of the equipment in releasing force can be complemented and the work efficiency can be improved. By providing a plurality of tooth plates 87 on the surface of the first transmission rod 84, the milled asphalt can be pushed into the rear connecting box 2. By providing a crushing device inside the connecting box 2, the block asphalt can be broken up to facilitate the subsequent foam asphalt fusion process and avoid the asphalt blocks being too large, resulting in incomplete fusion with the foam asphalt. The crushed asphalt is discharged from the discharge trough 4, and the water in the water tank 12 is pumped out by starting the water pump 14 and introduced into the high-pressure pipe 15 and the atomizing nozzle 16 along the water pipe 13, so as to facilitate the dust removal of the milled asphalt and the crushed asphalt.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A foamed asphalt cold regeneration milling device, comprising a protection box (1), a connection box (2), a ramp (3), a diesel engine (6), a transmission assembly (7), a milling assembly (8) and a crushing assembly (11), characterized in that: The right side of the protection box (1) is fixedly connected to a connection box (2), the bottom end of the connection box (2) is fixedly connected to an inclined plate (3), the outer wall of the inclined plate (3) is provided with a discharge chute (4), the front and rear ends of the protection box (1) close to the left side are respectively provided with symmetrical guide grooves (9), the interior of the guide grooves (9) is provided with a milling assembly (8), and the interior of the connection box (2) is provided with a crushing assembly (11); The milling assembly (8) comprises an adjustment frame (81), a first transmission shaft (82), a threaded limiting rod (83), a first transmission rod (84), a drill bit (85), a planing shovel (86) and a tooth plate (87); the adjustment frame (81) slides inside the guide groove (9); the first transmission rod (84) is rotatably connected between the adjustment frames (81); the outer wall of the first transmission rod (84) is provided with a drill bit (85) and a planing shovel (86) arranged in a staggered manner; and a tooth plate (87) is provided between the combination of the drill bit (85) and the planing shovel (86); The crushing assembly (11) comprises a second transmission rod (111), extrusion teeth (112), crushing teeth (113) and a second transmission shaft (114); the second transmission rod (111) is rotatably connected to the left side of the connection box (2); the outer wall of the second transmission rod (111) is fixedly connected to the extrusion teeth (112) arranged around it; and the crushing teeth (113) are fixedly connected to the top end of the inclined plate (3) just below the extrusion teeth (112).

2. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: The guide groove (9) and the adjustment frame (81) are respectively provided with a clamping groove (10), and the inner thread of the clamping groove (10) is connected to a threaded limiting rod (83).

3. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: The first transmission rod (84) and the second transmission rod (111) are fixedly connected to a first transmission shaft (82) and a second transmission shaft (114) respectively.

4. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: The front end of the top of the protection box (1) is fixedly connected to a diesel engine (6), and the output end of the diesel engine (6) is fixedly connected to a transmission assembly (7); The transmission assembly (7) comprises a first toothed belt (71), a second toothed belt (72) and a transmission screw (73); the outer wall of the transmission screw (73) is respectively meshedly connected with the first toothed belt (71) and the second toothed belt (72) from back to front; one end of the first toothed belt (71) is meshedly connected to the outer wall of the second transmission shaft (114); and the second toothed belt (72) is meshedly connected to the outer wall of the second transmission shaft (114).

5. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: Wheels (17) are respectively installed at the four corners of the bottom end of the protection box (1).

6. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: A water tank (12) is fixedly connected to the rear side of the top end of the protection box (1), the outer wall of the water tank (12) is connected through the input end of a water pump (14), the output end of the water pump (14) is fixedly connected to a water pipe (13), one end of the water pipe (13) is connected through a high-pressure pipe (15), and the outer wall of the high-pressure pipe (15) is connected through a plurality of atomizing nozzles (16).

7. The foamed asphalt cold regeneration milling device according to claim 1, characterized in that: A connecting frame (5) is fixedly connected between the protection box (1) and the connecting box (2).

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