CN220166618U - Heating device for on-site thermal regeneration of asphalt pavement - Google Patents
Heating device for on-site thermal regeneration of asphalt pavement Download PDFInfo
- Publication number
- CN220166618U CN220166618U CN202321040777.1U CN202321040777U CN220166618U CN 220166618 U CN220166618 U CN 220166618U CN 202321040777 U CN202321040777 U CN 202321040777U CN 220166618 U CN220166618 U CN 220166618U
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- Prior art keywords
- stirring
- stirring container
- asphalt
- wall
- shaft
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- 239000010426 asphalt Substances 0.000 title claims abstract description 40
- 230000008929 regeneration Effects 0.000 title claims abstract description 20
- 238000011069 regeneration method Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 85
- 239000012492 regenerant Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 3
- 102000004315 Forkhead Transcription Factors Human genes 0.000 description 2
- 108090000852 Forkhead Transcription Factors Proteins 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a heating device for on-site thermal regeneration of an asphalt pavement, which comprises a stirring container fixedly arranged on the inner side of a frame, wherein the top of the stirring container is in an open arrangement, the bottom of the stirring container is provided with a discharge hole, a blanking cover is arranged at the discharge hole, an actuating mechanism for driving the blanking cover is arranged on the outer wall of the frame, two stirring shafts are rotatably arranged on the outer wall of the stirring container in a penetrating manner, and the end faces of the stirring shafts are provided with flow passages in a penetrating manner; when the asphalt mixing device is used, the oil circulation temperature control machine is used for injecting the heat conduction oil into the runner and the outer sleeve, and after the heat conduction oil circulates among the runner, the outer sleeve and the oil circulation temperature control machine, the temperature of the stirring shaft and the stirring container can be within a required temperature range, asphalt materials in the stirring container can be heated and insulated in the subsequent asphalt stirring and mixing process, and the influence on the temperature of the asphalt materials in the stirring container when fresh asphalt mixture and a regenerant are added can be reduced, so that the mixing effect on the asphalt materials is ensured.
Description
Technical Field
The utility model relates to the technical field of on-site thermal regeneration of asphalt pavement, in particular to a heating device for on-site thermal regeneration of asphalt pavement.
Background
The on-site thermal regeneration technology of asphalt pavement is an international high-grade technology, adopts continuous operations such as on-site heating, scarification, stirring, paving, compaction and the like, forms the pavement once, is economical, efficient, quick, environment-friendly and economical, and has remarkable economic and social benefits. When the surface layer of asphalt pavement has cracks, oil-bleeding, abrasion, rutting, pits and other diseases or road performance is reduced, and the damage degree of the pavement does not affect the base layer, the maintenance method can be adopted, an advanced on-site thermal regeneration unit is used for heating old pavement on site, raking and collecting old materials, and proper fresh asphalt mixture and regenerant are added for in-machine thermal stirring, then spreading, ironing and rolling are carried out, so that traffic can be quickly opened, and the method is a continuous on-site thermal regeneration operation mode.
At present, most of stirring equipment for on-site heat regeneration of asphalt pavement does not have a heating function, most of stirring equipment relies on old asphalt materials to heat in situ and carry the remaining residual temperature of heating in the process when in hot stirring, and because most of stirring equipment is made of pure metal materials, heat conduction is faster, heat of the asphalt materials can be quickly lost, and fresh asphalt mixture and regenerant added during stirring can further reduce the overall temperature of the asphalt materials of the stirring equipment due to lower temperature, so that the mixing effect of the asphalt materials is easily affected, and the stirring equipment is to be improved.
Disclosure of Invention
The utility model aims to provide a heating device for on-site thermal regeneration of an asphalt pavement, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an on-spot hot heating device for regeneration of bituminous paving, includes fixed mounting at the inboard stirred tank of frame, stirred tank's top is uncovered setting, the discharge gate has been seted up to stirred tank's bottom, and discharge gate department is provided with the blanking cover, the actuating mechanism that is used for driving the blanking cover is installed to the outer wall of frame, stirred tank's outer wall rotates wears to be equipped with two (mixing) shafts, the terminal surface of (mixing) shaft runs through and is provided with the runner, the rotary joint with runner intercommunication is all installed at the both ends of (mixing) shaft, rotary joint and frame fixed connection, the (mixing) shaft is located the outer wall fixed mounting of stirred tank and has a plurality of stirring leaf, stirred tank's outer wall fixed sealing connection has the overcoat shell, the outer wall of overcoat shell is close to top department and runs through and be provided with the feed liquor joint, the bottom of overcoat shell is run through and is provided with out the liquid joint, rotary joint, feed liquor joint, liquid joint all communicate with the oil circulation temperature controller.
As a further scheme of the utility model: the stirring shaft is provided with a plurality of flow channels, one flow channel is coaxially arranged with the stirring shaft, the other flow channels are circumferentially distributed on the stirring shaft at the outer side of the axis of the stirring shaft, and the two ends of the flow channels are communicated with corresponding rotary joints.
As a further scheme of the utility model: the actuating mechanism comprises two hydraulic cylinders hinged with the frame, the two hydraulic cylinders are symmetrically distributed on two sides of the stirring container, a rocker arm is connected to the push rod end of the hydraulic cylinder through a fork head in a rotating mode, a rotating shaft is connected to the inner side of the frame through a bearing seat in a rotating mode, the two rocker arms are fixedly sleeved at two ends of the rotating shaft, a plurality of support arms are fixedly connected to the outer wall of the rotating shaft, and one end, far away from the rotating shaft, of each support arm is fixedly connected with the bottom of the blanking cover.
As a further scheme of the utility model: the top opening of the stirring container is fixedly provided with a spraying pipe, and the spraying pipe is used for spraying the regenerant into the stirring container.
As still further aspects of the utility model: the outer wall of the stirring shaft outside the stirring container is also fixedly sleeved with a belt wheel.
Compared with the prior art, the utility model has the beneficial effects that:
when the asphalt mixing device is used, the oil circulation temperature control machine is used for injecting the heat conduction oil into the runner and the outer sleeve, and after the heat conduction oil circulates among the runner, the outer sleeve and the oil circulation temperature control machine, the temperature of the stirring shaft and the stirring container can be within a required temperature range, asphalt materials in the stirring container can be heated and insulated in the subsequent asphalt stirring and mixing process, and the influence on the temperature of the asphalt materials in the stirring container when fresh asphalt mixture and a regenerant are added can be reduced, so that the mixing effect on the asphalt materials is ensured.
Drawings
Fig. 1 is a schematic structural view of a heating device for on-site thermal regeneration of an asphalt pavement.
Fig. 2 is a schematic diagram showing the distribution structure of stirring blades in a heating device for on-site thermal regeneration of an asphalt pavement.
Fig. 3 is a schematic structural view of a pulley in a heating device for on-site thermal regeneration of an asphalt pavement.
Wherein, frame 1, stirring container 2, blanking cover 3, pivot 4, rocking arm 5, pneumatic cylinder 6, support arm 7, (mixing) shaft 8, runner 9, rotary joint 10, stirring leaf 11, overcoat shell 12, feed liquor joint 13, play liquid joint 14, drenches spray tube 15, band pulley 16.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, in the embodiment of the utility model, a heating device for on-site thermal regeneration of an asphalt pavement comprises a stirring container 2 fixedly installed at the inner side of a frame 1, the top of the stirring container 2 is in an open arrangement, the bottom of the stirring container 2 is provided with a discharge port, a blanking cover 3 is arranged at the discharge port, an actuating mechanism for driving the blanking cover 3 is installed on the outer wall of the frame 1, two stirring shafts 8 are rotatably penetrated through the outer wall of the stirring container 2, a flow channel 9 is penetrated through the end face of the stirring shaft 8, rotary joints 10 communicated with the flow channel 9 are installed at two ends of the stirring shaft 8, the rotary joints 10 are fixedly connected with the frame 1, a plurality of stirring blades 11 are fixedly installed on the outer wall of the stirring shaft 8 positioned in the stirring container 2, an outer wall of the stirring container 2 is fixedly and hermetically connected with an outer sleeve 12, a liquid inlet joint 13 is penetrated through the outer wall of the outer sleeve 12 near the top, a liquid outlet joint 14 is penetrated through the bottom of the outer sleeve 12, and the rotary joints 10, the liquid inlet joint 13 and the liquid outlet joint 14 are communicated with an oil circulation controller.
According to the utility model, by adopting the scheme, the oil circulation temperature controller is used for injecting the heat conduction oil into the runner 9 and the outer sleeve 12, and after the heat conduction oil circulates among the runner 9, the outer sleeve 12 and the oil circulation temperature controller, the temperature of the stirring shaft 8 and the stirring container 2 can be within a required temperature range, and in the subsequent asphalt stirring and mixing, the asphalt in the stirring container 2 can be heated and insulated, and the influence on the temperature of the asphalt in the stirring container 2 when the fresh asphalt mixture and the regenerant are added can be reduced, so that the mixing effect on the asphalt is ensured.
Referring specifically to fig. 2 and 3, in one embodiment of the present utility model, there are a plurality of flow channels 9 on the stirring shaft 8, one of the flow channels 9 is coaxially disposed with the stirring shaft 8, the other flow channels 9 are circumferentially distributed on the stirring shaft 8 outside the axis of the stirring shaft 8, and two ends of the flow channels 9 are respectively communicated with corresponding rotary connectors 10.
The plurality of flow passages 9 are distributed, so that the strength of the stirring shaft 8 can be ensured, and the stirring shaft 8 can be heated uniformly.
With specific reference to fig. 1 and fig. 2, in one embodiment of the present utility model, the actuating mechanism includes two hydraulic cylinders 6 hinged to the frame 1, the two hydraulic cylinders 6 are symmetrically distributed on two sides of the stirring container 2, a rocker arm 5 is rotatably connected to a push rod end of the hydraulic cylinder 6 through a fork head, a rotating shaft 4 is rotatably connected to an inner side of the frame 1 through a bearing seat, the two rocker arms 5 are fixedly sleeved at two ends of the rotating shaft 4, a plurality of support arms 7 are fixedly connected to an outer wall of the rotating shaft 4, and one ends of the support arms 7 far away from the rotating shaft 4 are fixedly connected to the bottom of the blanking cover 3.
Through starting pneumatic cylinder 6, can promote two rocking arms 5 and drive pivot 4 rotation to drive blanking cover 3 upset through support arm 7, so as to realize pouring to stirring container 2 interior material, thereby conveniently after accomplishing the mixed stirring of pitch material, pour pitch material output on the road surface, in order to make things convenient for follow-up paver, ironing, rolling equipment to carry out the operation.
With specific reference to fig. 1 and fig. 2, in one embodiment of the present utility model, a shower pipe 15 is fixedly installed at the top opening of the stirring container 2, and the shower pipe 15 is used for spraying the regenerant into the stirring container 2.
In addition, the outer wall of the stirring shaft 8 outside the stirring container 2 is fixedly sleeved with a belt wheel 16, so that the stirring shaft 8 is conveniently driven to rotate by a gear motor, a hydraulic motor and the like.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a heating device for on-spot hot regeneration of bituminous paving which characterized in that: including fixed mounting stirring container (2) inboard in frame (1), the top of stirring container (2) is uncovered setting, the discharge gate has been seted up to the bottom of stirring container (2), and discharge gate department is provided with blanking cover (3), actuating mechanism that is used for driving blanking cover (3) is installed to the outer wall of frame (1), the outer wall rotation of stirring container (2) wears to be equipped with two (mixing) shafts (8), the terminal surface of (mixing) shaft (8) runs through and is provided with runner (9), rotary joint (10) with runner (9) intercommunication are all installed at the both ends of (mixing) shaft (8), rotary joint (10) and frame (1) fixed connection, outer wall fixed mounting that (mixing) shaft (8) are located stirring container (2) has a plurality of stirring leaf (11), the outer wall fixed sealing connection of stirring container (2) has overcoat shell (12), the outer wall that is close to top department of overcoat shell (12) runs through and is provided with feed liquor joint (13), the bottom of overcoat shell (12) runs through and is provided with play liquid (14), rotary joint (14), feed liquor temperature control joint (14) and equal intercommunication.
2. The heating device for on-site thermal regeneration of asphalt pavement according to claim 1, wherein: the stirring device is characterized in that a plurality of flow channels (9) are arranged on the stirring shaft (8), one flow channel (9) is coaxially arranged with the stirring shaft (8), the rest flow channels (9) are circumferentially distributed on the stirring shaft (8) at the outer side of the axis of the stirring shaft (8), and the two ends of the flow channels (9) are communicated with corresponding rotary joints (10).
3. The heating device for on-site thermal regeneration of asphalt pavement according to claim 1, wherein: the actuating mechanism comprises two hydraulic cylinders (6) hinged with the frame (1), the two hydraulic cylinders (6) are symmetrically distributed on two sides of the stirring container (2), the push rod ends of the hydraulic cylinders (6) are rotationally connected with rocker arms (5) through fork heads, the inner sides of the frame (1) are rotationally connected with rotating shafts (4) through bearing seats, the two rocker arms (5) are fixedly sleeved at two ends of the rotating shafts (4), a plurality of support arms (7) are fixedly connected with the outer wall of the rotating shafts (4), and one ends, far away from the rotating shafts (4), of the support arms (7) are fixedly connected with the bottoms of the blocking covers (3).
4. The heating device for on-site thermal regeneration of asphalt pavement according to claim 1, wherein: a shower pipe (15) is fixedly arranged at the top opening of the stirring container (2), and the shower pipe (15) is used for spraying a regenerant into the stirring container (2).
5. The heating device for on-site thermal regeneration of asphalt pavement according to claim 1, wherein: the outer wall of the stirring shaft (8) positioned outside the stirring container (2) is fixedly sleeved with a belt wheel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321040777.1U CN220166618U (en) | 2023-05-05 | 2023-05-05 | Heating device for on-site thermal regeneration of asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321040777.1U CN220166618U (en) | 2023-05-05 | 2023-05-05 | Heating device for on-site thermal regeneration of asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166618U true CN220166618U (en) | 2023-12-12 |
Family
ID=89059433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321040777.1U Active CN220166618U (en) | 2023-05-05 | 2023-05-05 | Heating device for on-site thermal regeneration of asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166618U (en) |
-
2023
- 2023-05-05 CN CN202321040777.1U patent/CN220166618U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 010060 Building 4, Building C, Building 302, Jinmao Center, Genghis Khan Street, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Transportation Group Mengtong Maintenance Co.,Ltd. Country or region after: China Address before: 010051 Building 4, Building C, Building 302, Jinmao Center, Genghis Khan Street, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Expressway Maintenance Co.,Ltd. Country or region before: China |