Asphalt paving machine for road construction
By designing a miniaturized asphalt paving machine and combining the heating vibration mechanism, the difficulty of using the existing asphalt paving machine in narrow working conditions has been solved, and high convenience and effective asphalt vibration effect has been achieved.
Patent Information
- Application Number
- CN202411943563.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2044-12-27
AI Technical Summary
The existing asphalt paving machines are huge in size and expensive, making them difficult to use in narrow working conditions, especially when the pavement width is less than one meter or the road surface is damaged and repaired, the convenience of use is poor.
A miniaturized asphalt paving machine is designed, using frames, brackets, steering handles, steering wheels, walking wheels, control systems, diesel generators, batteries, drive mechanisms, feeding mechanisms and heating vibration mechanisms to achieve uniform heating and vibration filling of asphalt through heating vibration mechanisms.
It realizes the miniaturization and high convenience of use of asphalt pavers, can be suitable for working conditions where the pavement width is less than one meter or the road surface is damaged and repaired, and the asphalt vibration effect is ensured through the heating vibration mechanism.
Smart Images

Figure CN119372983B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of road construction equipment, and in particular to an asphalt paving machine for road construction. Background Art
[0002] The structure of the existing asphalt paving machine (also called asphalt paver), such as China Publication No. CN112342875B discloses an energy-saving asphalt paver for highway engineering, which specifically discloses a paver body and a screed plate, the screed plate is installed at the rear of the paver body, the screed plate includes a plurality of screed blocks and a plurality of connecting parts, the plurality of screed blocks are arranged in sequence along the left and right directions to compact the road surface, and each connecting part is arranged between each two adjacent screed blocks; the connecting part includes a first connecting part and a second connecting part; the first connecting part includes a mounting part, a driving part, a braking part, a support rod and a transmission part; a socket extending along the left and right directions is provided inside the mounting part, and the mounting part is detachably mounted above the screed block; the driving part includes a gear and a coil spring; the gear is rotatably mounted on the mounting part around an axis extending along the front-back direction, the inner end of the coil spring is connected to the mounting part, and the other end is connected to the gear, and is in a pre-tightened state state; the braking part includes a brake block and a transmission mechanism; the brake block meshes with the gear to prevent the gear from rotating; the support rod is arranged below the multiple driving parts and is tilted downward, the upper end of the support rod is hinged to the mounting part, and the lower end of the support rod is connected to the brake block through a transmission mechanism, so that when it is lifted upward, the brake block is driven to disengage the gear through the transmission mechanism; the transmission part is installed on the support rod; the second connecting part is detachably installed above the other ironing block, when the second connecting part moves upward and pushes the support rod, the brake block is disengaged from the gear, at this time the transmission part is transmission-connected between the gear and the second connecting part, the coil spring is released to rotate the gear, and the second connecting part is driven by the transmission part to be inserted into the jack to complete the splicing of the two ironing blocks; the transmission part includes a plurality of sprockets and a second chain, the plurality of sprockets are arranged in sequence along the length direction of the support rod, and are rotatably installed on the support rod, and the plurality of sprockets rotate synchronously through the second chain.
[0003] The above-mentioned asphalt paving machine is huge in size and expensive. It is difficult to use in narrow working conditions, such as when the road width is less than one meter or when the road is damaged and repaired. Asphalt needs to be spread manually and then compacted by small vibration equipment, which makes it inconvenient to use. Summary of the invention
[0004] Therefore, in view of the above-mentioned problems, the present invention provides an asphalt paving machine for road construction which is compact and easy to use.
[0005] To achieve the above object, the present invention adopts the following technical solutions:
[0006] An asphalt paving machine for road construction, comprising a frame, a bracket, a steering handle, a steering wheel, a running wheel, a control system, a diesel generator, a battery, a driving mechanism, a feeding mechanism and a heating and vibrating mechanism, wherein the longitudinal direction extending along the length direction of the frame is defined as a longitudinal direction, and the width direction extending along the frame is defined as a transverse direction, the bracket is fixedly arranged at one longitudinal end of the frame, the steering handle is rotatably arranged on the frame through a bearing, the steering handle is distributed in the vertical direction, the steering wheel is arranged at the lower end of the steering handle, the running wheel is rotatably arranged at the lower side of the frame, and the distribution In the longitudinal middle of the frame, the driving mechanism is connected to the walking wheel, the heating and vibrating mechanism is arranged at the other longitudinal end of the frame, the unloading mechanism is arranged on the frame and distributed on the upper side of the heating and vibrating mechanism, the unloading mechanism has a unloading port, and the unloading port is distributed on the longitudinal side of the heating and vibrating mechanism away from the bracket, and a prying plate is arranged between the unloading port and the heating and vibrating mechanism, the diesel generator and the battery are all arranged on the frame, and the diesel generator, the battery, the driving mechanism, the unloading mechanism and the heating and vibrating mechanism are electrically connected to the control system respectively;
[0007] The heating vibration mechanism includes a first driving motor, a first transmission assembly, two swing arms, a rotating shaft, an outer cylinder, an inner cylinder, two first circular baffles, two second circular baffles, two eccentric shafts, a plurality of eccentric blocks, two sprocket transmission assemblies, two sleeves, two springs and a heating assembly. One end of the two swing arms is arranged on the lateral sides of the frame, the rotating shaft is horizontally mounted on the other ends of the two swing arms and is rotatably arranged on the swing arms through bearings. The two first circular baffles are rotatably arranged on the rotating shaft through bearings and are distributed on the axial sides of the rotating shaft. The outer cylinder is sleeved on the two first circular baffles, the heating assembly is arranged on the outer cylinder, the two sleeves are rotatably arranged on the rotating shaft, a positioning rod is vertically arranged on the outer surface of the sleeve, and a positioning rod is arranged on the second circular baffle. There is a through hole, the center of the through hole does not coincide with the center of the second circular baffle, the inner diameter of the through hole is larger than the outer diameter of the ring, the two second circular baffles are respectively sleeved on the ring through the through hole, and are distributed between the two first circular baffles, the spring is sleeved on the positioning rod, and the two ends are respectively against the ring and the second circular baffle, the inner cylinder is sleeved on the second circular baffle, and the lower end of the outer surface of the inner cylinder is against the lower end of the inner surface of the outer cylinder through the spring, the two eccentric shafts are respectively rotatably arranged on the two second circular baffles, the two eccentric shafts are axially symmetrically distributed, the eccentric blocks are respectively arranged on the eccentric shafts, the two eccentric shafts are respectively connected to the rotating shaft through the sprocket transmission assembly, and the first drive motor is connected to the rotating shaft through the first transmission assembly.
[0008] Furthermore, the heating assembly includes a plurality of heating tubes, and a plurality of mounting holes are provided on one end surface surrounding the outer tube, and each of the heating tubes is respectively inserted into the mounting hole.
[0009] Furthermore, a shock absorbing assembly is provided between the frame and the two swing arms, and the shock absorbing assembly includes a shock absorbing cylinder arranged on the frame, an adjusting rod threadedly connected to the upper part of the shock absorbing cylinder, a top plate arranged at the inner end of the adjusting rod, a top rod passing through the lower end of the shock absorbing cylinder, and a shock absorbing spring arranged between the upper end of the top rod and the top plate, and the lower end of the top rod abuts against the swing arm and is close to one end of the rotating shaft.
[0010] Furthermore, a heat insulation layer is provided on the inner surface of the outer cylinder.
[0011] Furthermore, a counterweight is provided on the inner surface of the inner cylinder.
[0012] Furthermore, the feeding mechanism includes a second driving motor, a second transmission assembly, a material storage bin, a feeding bin, two arch breaking assemblies and a material leveling assembly. The feeding bin is arranged at the lower end of the material storage bin and is connected with the material storage bin. The feeding port is distributed at the lower end of the feeding bin. The two arch breaking assemblies are arranged on the material storage bin. The material leveling assembly is arranged between the material storage bin and the feeding bin and is distributed on the lower side of the arch breaking assembly. The second driving motor is respectively connected to the two arch breaking assemblies and the material leveling assembly through the second transmission assembly.
[0013] Furthermore, the arch breaking assembly includes an arch breaking shaft rotatably arranged on the storage bin, a first spiral blade and a second spiral blade arranged on the arch breaking shaft, and the first spiral blade and the second spiral blade are respectively arranged on both axial sides of the arch breaking shaft and are axially symmetrically distributed.
[0014] Furthermore, the material leveling assembly includes a material leveling roller rotatably arranged on the material storage bin, and a plurality of shifting rods vertically arranged on the outer surface of the material leveling roller.
[0015] Furthermore, the second transmission assembly includes a driving sprocket on the output shaft of the second driving motor, a first driven sprocket and a second driven sprocket on one of the arch breaking shafts, a third driven sprocket on the other arch breaking shaft, a fourth driven sprocket on the material leveling roller, a tensioning sprocket on the material storage bin, a first chain and a second chain, the first chain is wound around the driving sprocket and the first driven sprocket, and the second chain is wound around the second driven sprocket, the third driven sprocket, the fourth driven sprocket and the tensioning sprocket.
[0016] Furthermore, a curved surface is concavely provided on one side of the lower material bin close to the outer cylinder, and the distance between the curved surface and the outer surface of the outer cylinder is 5 to 18 mm.
[0017] By adopting the above technical scheme, the beneficial effects of the present invention are as follows: when the asphalt paving machine for road construction is used, the diesel generator is started to supply power to the battery, and the driving mechanism drives the walking wheel to rotate, drives the frame to the specified position, starts the heating and vibrating mechanism to operate, the heating component heats the outer cylinder, and then the asphalt is stored in the unloading mechanism, and the unloading is transported by the unloading mechanism so that the asphalt is spread on the ground to be repaired or paved, the driving motor drives the frame to move forward at a uniform speed, and the unloading thickness of the asphalt is kept uniform by the material stripping plate, the outer cylinder irons and heats the asphalt, and at the same time, the first driving motor drives the rotating shaft to rotate through the first transmission assembly, and the rotating shaft drives the eccentric shaft to rotate respectively through the two sprocket transmission assemblies, so that the inner cylinder, Vibration is generated on the second circular baffle, and the lower end of the outer surface of the inner cylinder is pressed against the lower end of the inner surface of the outer cylinder through the spring, and the vibration is transmitted to the outer cylinder to form a first vibration frequency. Furthermore, the inner diameter of the through hole of the second circular baffle is larger than the outer diameter of the ring, so that when the inner cylinder bounces during the vibration process, the spring can be used to make the inner cylinder hit the outer cylinder to form impact vibration and form a second vibration frequency. The two vibration frequencies are coordinated to achieve the compaction effect of asphalt. The asphalt paving machine for road construction is compact in size and can be used in conditions where the road width is less than one meter or when the road is damaged and repaired. It is easy to use and the compaction effect of asphalt is guaranteed by the setting of the heating vibration mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a front view structural schematic diagram of an embodiment of the present invention;
[0019] Figure 2 1 is a front view structural schematic diagram of a feeding mechanism and a heating vibration mechanism in an embodiment of the present invention;
[0020] Figure 3 is a front view structural schematic diagram of the heating vibration mechanism in the embodiment of the present invention without one of the first circular baffles;
[0021] Figure 4 is a front view structural schematic diagram of the heating vibration mechanism in the embodiment of the present invention in which one of the first circular baffle plate and the second circular baffle plate is omitted;
[0022] Figure 5 Schematic diagram of the cross-sectional structure of the blanking mechanism in the embodiment of the present invention;
[0023] Figure 6 1 is a schematic diagram of a top view of a material feeding mechanism in an embodiment of the present invention;
[0024] Figure 7 is a schematic cross-sectional structural diagram of a shock absorbing assembly in an embodiment of the present invention;
[0025] Figure 8It is a circuit module diagram of an embodiment of the present invention.
[0026] Abstract Figure Description:
[0027] 1. Frame; 2. Bracket; 3. Steering handle; 4. Steering wheel; 5. Travel wheel; 6. Control system; 7. Diesel generator; 8. Battery; 9. Driving mechanism; 10. Unloading mechanism; 11. Heating and vibrating mechanism; 12. Digging plate; 13. Shock-absorbing assembly; 14. Insulation layer; 15. Counterweight; 16. Curved surface;
[0028] 101, feeding port; 102, second driving motor; 103, second transmission assembly; 104, storage bin; 105, feeding bin; 106, arch breaking assembly; 107, material leveling assembly; 201, arch breaking shaft; 202, first spiral blade; 203, second spiral blade; 301, material leveling roller; 302, lever; 401, driving sprocket; 402, first driven sprocket; 403, second driven sprocket; 404, third driven sprocket; 405, fourth driven sprocket; 406, tensioning sprocket; 407, first chain; 408, second chain;
[0029] 111, first driving motor; 112, first transmission assembly; 113, swing arm; 114, rotating shaft; 115, outer cylinder; 116, inner cylinder; 117, first circular baffle; 118, second circular baffle; 119, eccentric shaft; 120, eccentric block; 121, sprocket transmission assembly; 122, collar; 123, spring; 124, positioning rod; 125, through hole; 126, heating tube; 127, mounting hole;
[0030] 131. shock-absorbing cylinder; 132. adjusting rod; 133. top plate; 134. top rod; 135. shock-absorbing spring. DETAILED DESCRIPTION
[0031] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.
[0032] The embodiments of the present invention are:
[0033] refer to Figures 1 to 8As shown, an asphalt paving machine for road construction includes a frame 1, a bracket 2, a steering handle 3, a steering wheel 4, a running wheel 5, a control system 6, a diesel generator 7, a battery 8, a driving mechanism 9, a feeding mechanism 10 and a heating and vibrating mechanism 11. The longitudinal direction extending along the length direction of the frame 1 is defined as a longitudinal direction, and the width direction extending along the frame 1 is defined as a transverse direction. The bracket 2 is fixedly arranged at one longitudinal end of the frame 1, the steering handle 3 is rotatably arranged on the frame 1 through a bearing, the steering handle 3 is distributed in the vertical direction, the steering wheel 4 is arranged at the lower end of the steering handle 3, and the running wheel 5 is rotatably arranged at the lower side of the frame 1 and distributed in the longitudinal direction of the frame 1. Towards the middle, the driving mechanism 9 is connected to the walking wheel 5, the heating and vibrating mechanism 11 is arranged at the other longitudinal end of the frame 1, the unloading mechanism 10 is arranged on the frame 1, and is distributed on the upper side of the heating and vibrating mechanism 11, the unloading mechanism 10 has a unloading port 101, and the unloading port 101 is distributed on the longitudinal side of the heating and vibrating mechanism 11 away from the bracket 2, and a prying plate 12 is provided between the unloading port 101 and the heating and vibrating mechanism 11, the diesel generator 7 and the battery 8 are all arranged on the frame 1, and the diesel generator 7, the battery 8, the driving mechanism 9, the unloading mechanism 10 and the heating and vibrating mechanism 11 are electrically connected to the control system 6 respectively;
[0034] The heating vibration mechanism 11 includes a first driving motor 111, a first transmission assembly 112, two swing arms 113, a rotating shaft 114, an outer cylinder 115, an inner cylinder 116, two first circular baffles 117, two second circular baffles 118, two eccentric shafts 119, a plurality of eccentric blocks 120, two sprocket transmission assemblies 121, two collars 122, two springs 123 and a heating assembly. One end of the two swing arms 113 is arranged on the lateral sides of the frame 1, and the rotating shaft 114 is horizontally mounted on the two The outer cylinder 115 is sleeved on the two first circular baffles 117, and the heating assembly is arranged on the outer cylinder 115. The two sleeve rings 122 are rotatably arranged on the rotating shaft 114. The outer surface of the sleeve ring 122 is vertically provided with a positioning rod 124. The second circular baffle 118 is provided with a positioning rod 124. There is a through hole 125, the center of the through hole 125 does not coincide with the center of the second circular baffle 118, the inner diameter of the through hole 125 is larger than the outer diameter of the collar 122, the two second circular baffles 118 are respectively sleeved on the collar 122 through the through hole 125, and are distributed between the two first circular baffles 117, the spring 123 is sleeved on the positioning rod 124, and the two ends are respectively against the collar 122 and the second circular baffle 118, the inner cylinder 116 is sleeved on the second circular baffle 1 18, the lower end of the outer surface of the inner cylinder 116 is pressed against the lower end of the inner surface of the outer cylinder 117 by a spring 123, the two eccentric shafts 119 are rotatably arranged on the two second circular baffles 118, the two eccentric shafts 119 are axially symmetrically distributed, the eccentric blocks 120 are respectively arranged on the eccentric shafts 119, the two eccentric shafts 119 are respectively connected to the rotating shaft 114 through a sprocket transmission assembly 121, and the first driving motor 111 is connected to the rotating shaft 114 through a first transmission assembly 112.
[0035] In this embodiment, the driving mechanism 9 is a driving motor.
[0036] When the asphalt paving machine for road construction is used, the diesel generator 7 is started to supply power to the battery 8, and the driving mechanism 9 drives the running wheel 5 to rotate, driving the frame 1 to the designated position, and the heating and vibrating mechanism 11 is started to operate, the heating component heats the outer cylinder 115, and then the asphalt is stored in the unloading mechanism 10, and the unloading is transported by the unloading mechanism 10, so that the asphalt is spread on the ground to be repaired or paved, the driving mechanism 9 drives the frame 1 to move forward at a constant speed, and the unloading thickness of the asphalt is kept uniform by the material stripping plate 12, and the outer cylinder 115 irons and heats the asphalt, and at the same time, the first driving motor 111 drives the rotating shaft 114 to rotate through the first transmission assembly 112, and the rotating shaft drives the eccentric shaft 119 to rotate respectively through the two sprocket transmission assemblies 121, so that the inner cylinder 116 and the second circular baffle 118 are moved upward. Vibration is generated, and the lower end of the outer surface of the inner cylinder 116 is pressed against the lower end of the inner surface of the outer cylinder 115 through the spring 123, and the vibration is transmitted to the outer cylinder 115 to form a first vibration frequency. Furthermore, the inner diameter of the through hole 125 of the second circular baffle 118 is larger than the outer diameter of the sleeve 122, so that when the inner cylinder 116 bounces during the vibration process, the spring 123 can be used to make the inner cylinder 116 hit the outer cylinder 115 to form impact vibration and form a second vibration frequency. Through the coordination of the two vibration frequencies, the asphalt is compacted. The asphalt paving machine for road construction is small in size and can be used under conditions where the road width is less than one meter or when the road is damaged and repaired. It is easy to use and the compaction effect of the asphalt is guaranteed by the setting of the heating vibration mechanism 11.
[0037] In addition, the heating assembly includes a plurality of heating tubes 126, preferably sixteen in number, and a plurality of mounting holes 127, preferably sixteen in number, are provided on one end surface surrounding the outer cylinder 115. Each of the heating tubes 126 is respectively inserted into the mounting hole 127, so that the heating uniformity of the outer cylinder 115 is good, and the asphalt can be ironed during the rolling process of the outer cylinder 115, integrating heating and vibration into one, reducing the installation space, and thus achieving miniaturization.
[0038] Furthermore, a shock absorbing assembly 13 is provided between the frame 1 and the two swing arms 113, and the shock absorbing assembly 13 includes a shock absorbing cylinder 131 arranged on the frame 1, an adjusting rod 132 threadedly connected to the upper part of the shock absorbing cylinder 131, a top plate 133 arranged at the inner end of the adjusting rod 132, a top rod 134 passing through the lower end of the shock absorbing cylinder 131, and a shock absorbing spring 135 arranged between the upper end of the top rod 134 and the top plate 133, the lower end of the top rod 134 abuts against the swing arm 113 and is close to one end of the rotating shaft 114, so as to reduce the vibration of the heating and vibration mechanism 11 from being transmitted to the frame 1 and improve the service life of the equipment, and the compression stroke of the shock absorbing spring 135 can be adjusted by rotating the adjusting rod 132, that is, the compression force of the frame 1 and the heating and vibration mechanism 11 is adjusted, so that the outer cylinder 115 can be better attached to the ground and the compaction effect of the asphalt is improved.
[0039] At the same time, a heat insulation layer 14 is provided on the inner surface of the outer cylinder 115 to reduce the impact of the heating component on the eccentric shaft 119 and the bearing in the inner cylinder 116 and increase their service life. A counterweight block 15 is provided on the inner surface of the inner cylinder 116 to improve the adhesion of the outer cylinder 115 to the ground, thereby improving the compaction effect of the asphalt.
[0040] In this embodiment, the feeding mechanism 10 includes a second driving motor 102, a second transmission assembly 103, a storage bin 104, a feeding bin 105, two arch breaking assemblies 106 and a material leveling assembly 107. The feeding bin 105 is arranged at the lower end of the storage bin 104 and is connected to the storage bin 104. The feeding port 101 is distributed at the lower end of the feeding bin 105. The two arch breaking assemblies 106 are arranged on the storage bin 104. The material leveling assembly 107 is arranged on the storage bin. 104 and the lower material bin 105, and are distributed on the lower side of the arch breaking component 103, the second driving motor 102 is respectively connected to the two arch breaking components 106 and the material leveling component 107 through the second transmission component 103; the arch breaking component 106 includes an arch breaking shaft 201 rotatably arranged on the storage bin 104, a first spiral blade 202 and a second spiral blade 203 arranged on the arch breaking shaft 201, the first spiral blade 202 and the second spiral blade 203 are respectively arranged on both sides of the axial direction of the arch breaking shaft 201, and are axially symmetrically distributed; the material leveling component 107 includes a material leveling roller 301 rotatably arranged on the storage bin 104, and a plurality of levers 302 vertically arranged on the outer surface of the material leveling roller 301; the second transmission component 103 includes a driving sprocket 401 arranged on the output shaft of the second driving motor 102, a first driven sprocket 402 and a second driven sprocket 403 arranged on one of the arch breaking shafts 201, and a first driven sprocket 402 and a second driven sprocket 403 arranged on the other A third driven sprocket 404 on a broken arch shaft 201, a fourth driven sprocket 405 provided on the material leveling roller 301, a tensioning sprocket 406 provided on the storage bin 104, a first chain 407 and a second chain 408, wherein the first chain 407 is wound around the driving sprocket 401 and the first driven sprocket 402, and the second chain 408 is wound around the second driven sprocket 403, the third driven sprocket 404, the fourth driven sprocket 405 and the tensioning sprocket 406.
[0041] The working principle of the unloading mechanism is as follows: asphalt is stored in the storage bin 104, and the arch breaking shaft 201 is driven to rotate by the second driving motor 102, so that the first spiral blade 202 and the second spiral blade 203 on the arch breaking shaft 201 act on the asphalt, so that the asphalt in the middle is pushed in the lateral directions to be spread out, and then the asphalt is evenly spread in the storage bin 104. At the same time, the asphalt is moved by the lever 302 on the material leveling roller 301, so that the asphalt is evenly unloaded into the unloading bin 105, and the material is guided by the unloading bin 105 so that the asphalt is spread on the ground, and the accuracy of asphalt unloading is improved.
[0042] In addition, a curved surface 16 is recessed on one side of the lower material bin 105 close to the outer cylinder 115, and the distance between the curved surface 16 and the outer surface of the outer cylinder 115 is 5 to 18 mm, preferably 8 mm, so that the asphalt on the lower material bin 105 can realize waste heat through the heat radiation emitted by the outer cylinder 115, which on the one hand improves the fluidity of the asphalt discharge, and on the other hand facilitates the heating speed of ironing and improves production efficiency.
[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0045] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0046] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes may be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, all of which are within the scope of protection of the present invention.
Claims
1. An asphalt paving machine for road construction, characterized in that: It includes a frame, a bracket, a steering handle, a steering wheel, a running wheel, a control system, a diesel generator, a battery, a driving mechanism, a feeding mechanism and a heating and vibrating mechanism. It is defined that the longitudinal direction is extended along the length direction of the frame, and the transverse direction is extended along the width direction of the frame. The bracket is fixedly arranged at one longitudinal end of the frame, the steering handle is rotatably arranged on the frame through a bearing, the steering handle is distributed along the vertical direction, the steering wheel is arranged at the lower end of the steering handle, the running wheel is rotatably arranged on the lower side of the frame and is distributed in the longitudinal middle of the frame, the driving mechanism is connected to the running wheel, the heating and vibrating mechanism is arranged at the other longitudinal end of the frame, the feeding mechanism is arranged on the frame and is distributed on the upper side of the heating and vibrating mechanism, the feeding mechanism has a feeding port, and the feeding port is distributed on the longitudinal side of the heating and vibrating mechanism away from the bracket, a paddle plate is arranged between the feeding port and the heating and vibrating mechanism, the diesel generator and the battery are both arranged on the frame, and the diesel generator, the battery, the driving mechanism, the feeding mechanism and the heating and vibrating mechanism are electrically connected to the control system respectively; The heating vibration mechanism includes a first driving motor, a first transmission assembly, two swing arms, a rotating shaft, an outer cylinder, an inner cylinder, two first circular baffles, two second circular baffles, two eccentric shafts, a plurality of eccentric blocks, two sprocket transmission assemblies, two sleeves, two springs and a heating assembly. One end of the two swing arms is arranged on the lateral sides of the frame, the rotating shaft is horizontally mounted on the other ends of the two swing arms and is rotatably arranged on the swing arms through bearings. The two first circular baffles are rotatably arranged on the rotating shaft through bearings and are distributed on the axial sides of the rotating shaft. The outer cylinder is sleeved on the two first circular baffles, the heating assembly is arranged on the outer cylinder, the two sleeves are rotatably arranged on the rotating shaft, a positioning rod is vertically arranged on the outer surface of the sleeve, and a positioning rod is arranged on the second circular baffle. There is a through hole, the center of the through hole does not coincide with the center of the second circular baffle, the inner diameter of the through hole is larger than the outer diameter of the ring, the two second circular baffles are respectively sleeved on the ring through the through hole, and are distributed between the two first circular baffles, the spring is sleeved on the positioning rod, and the two ends are respectively against the ring and the second circular baffle, the inner cylinder is sleeved on the second circular baffle, and the lower end of the outer surface of the inner cylinder is against the lower end of the inner surface of the outer cylinder through the spring, the two eccentric shafts are respectively rotatably arranged on the two second circular baffles, the two eccentric shafts are axially symmetrically distributed, the eccentric blocks are respectively arranged on the eccentric shafts, the two eccentric shafts are respectively connected to the rotating shaft through the sprocket transmission assembly, and the first drive motor is connected to the rotating shaft through the first transmission assembly.
2. The asphalt paving machine for road construction according to claim 1, characterized in that: The heating assembly comprises a plurality of heating tubes, and a plurality of mounting holes are arranged on one end surface surrounding the outer tube, and each of the heating tubes is respectively inserted into the mounting hole.
3. The asphalt paving machine for road construction according to claim 2, characterized in that: A shock absorbing assembly is provided between the frame and the two swing arms, and the shock absorbing assembly includes a shock absorbing cylinder arranged on the frame, an adjusting rod threadedly connected to the upper part of the shock absorbing cylinder, a top plate arranged at the inner end of the adjusting rod, a top rod passing through the lower end of the shock absorbing cylinder, and a shock absorbing spring arranged between the upper end of the top rod and the top plate, and the lower end of the top rod abuts against the swing arm and is close to one end of the rotating shaft.
4. The asphalt paving machine for road construction according to claim 3, characterized in that: A heat insulation layer is laid on the inner surface of the outer cylinder.
5. The asphalt paving machine for road construction according to claim 3, characterized in that: A counterweight block is arranged on the inner surface of the inner cylinder.
6. The asphalt paving machine for road construction according to any one of claims 1 to 5, characterized in that: The material unloading mechanism includes a second driving motor, a second transmission assembly, a material storage bin, a material unloading bin, two arch breaking assemblies and a material leveling assembly. The material unloading bin is arranged at the lower end of the material storage bin and is communicated with the material storage bin. The material unloading port is distributed at the lower end of the material unloading bin. The two arch breaking assemblies are arranged on the material storage bin. The material leveling assembly is arranged between the material storage bin and the material unloading bin and is distributed on the lower side of the arch breaking assembly. The second driving motor is respectively connected to the two arch breaking assemblies and the material leveling assembly through the second transmission assembly.
7. The asphalt paving machine for road construction according to claim 6, characterized in that: The arch breaking assembly includes an arch breaking shaft rotatably arranged on the storage bin, a first spiral blade and a second spiral blade arranged on the arch breaking shaft, wherein the first spiral blade and the second spiral blade are respectively arranged on both axial sides of the arch breaking shaft and are axially symmetrically distributed.
8. The asphalt paving machine for road construction according to claim 7, characterized in that: The material leveling assembly comprises a material leveling roller rotatably arranged on the material storage bin and a plurality of shifting rods vertically arranged on the outer surface of the material leveling roller.
9. The asphalt paving machine for road construction according to claim 8, characterized in that: The second transmission assembly includes a driving sprocket on the output shaft of the second driving motor, a first driven sprocket and a second driven sprocket on one of the arch breaking shafts, a third driven sprocket on the other arch breaking shaft, a fourth driven sprocket on the material leveling roller, a tensioning sprocket on the material storage bin, a first chain and a second chain, the first chain is wound around the driving sprocket and the first driven sprocket, and the second chain is wound around the second driven sprocket, the third driven sprocket, the fourth driven sprocket and the tensioning sprocket.
10. The asphalt paving machine for road construction according to claim 9, characterized in that: A curved surface is concavely provided on one side of the lower material bin close to the outer cylinder, and the distance between the curved surface and the outer surface of the outer cylinder is 5 to 18 mm.
Citation Information
Patent Citations
An energy-saving asphalt paver for highway engineering
CN112342875B
Asphalt paver
CN116103984A
Road asphalt laying device and process
CN116122108A