CN112252132A - Asphalt paving compacting machine head feeding device - Google Patents
Asphalt paving compacting machine head feeding device Download PDFInfo
- Publication number
- CN112252132A CN112252132A CN202011245854.8A CN202011245854A CN112252132A CN 112252132 A CN112252132 A CN 112252132A CN 202011245854 A CN202011245854 A CN 202011245854A CN 112252132 A CN112252132 A CN 112252132A
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- movable arm
- roller
- brush
- brush roll
- support sleeve
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4806—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing
- E01C19/4826—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing the materials being aggregate mixed with binders
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/02—Feeding devices for pavers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
A feeding device of an asphalt paving compacting machine head relates to the technical field of asphalt paving compacting operation, and comprises a hinged frame, a support sleeve, a movable arm push-pull oil cylinder and a support sleeve rotating oil cylinder, wherein the support sleeve is horizontally and rotatably hinged on the hinged frame, the movable arm penetrates through the support sleeve in a front-back sliding mode, the movable arm push-pull oil cylinder is connected between the movable arm and the support sleeve, one end of the support sleeve rotating oil cylinder is hinged on the support sleeve, the movable arm is of a hollow structure, a material conveying device is arranged in an inner cavity of the movable arm, a feeding hole is formed in the upper end of the support sleeve, a feeding groove penetrating through the inner cavity of the movable arm is longitudinally formed in the upper end of the movable arm along the movable arm, the feeding hole is located above the feeding groove in the front-back sliding process of the movable arm, and the feeding device of the asphalt paving compacting machine head can stably convey asphalt materials between a vehicle ( And the location of the compaction operation.
Description
The technical field is as follows:
the invention relates to the technical field of asphalt paving compaction operation, in particular to a feeding device of an asphalt paving compactor head.
Background art:
as a high-input and high-output basic service facility, the highway not only can bring high-speed operation of people flow, logistics and information flow, but also can generate huge economic and social benefits after operation, thereby occupying a great position in national economic development of China. With the rapid development of economy, China is gradually stepping into the high-traffic state, and the traffic mileage of roads is rapidly increased. Road traffic has increasingly become the most important passenger and cargo transport carrier in China. The scale of highway construction is continuously enlarged, but after roads are constructed, the roads are damaged by wind, sunlight, rain, rolling of heavy-duty vehicles and the like after the roads are used for a long time, the damaged roads influence the driving safety and cause property and even personal damage, so that the key for ensuring the normal operation of a highway transportation system is to strengthen the highway maintenance, and the highway industry is set to be in a re-construction and re-maintenance stage. With the development of the highway maintenance level, the modern highway maintenance is developing towards the direction of mechanized maintenance, and the development of mechanized highway maintenance is a key measure for improving the highway maintenance effect in China. The road maintenance work is carried out by using advanced maintenance mechanical equipment and maintenance technology, so that the manual labor force is greatly liberated, and the maintenance effect is improved.
The small-area road diseases are generally not continuous but occur discontinuously, the paving positions generally need to be converted for many times in the repair and maintenance process, more workers are used in the construction process, the transition construction is inconvenient, the construction efficiency is low, and the labor intensity of the workers is high. In order to realize the efficient implementation of the small-range multi-point paving and compacting work, a mechanical integrated device which can flexibly adjust the paving and compacting positions on a local road surface and further conveniently perform asphalt thermal regeneration, paving and compacting work needs to be designed, and for the implementation of the mechanical integrated device, the function of stably conveying the asphalt material between a vehicle (such as an asphalt thermal regeneration vehicle) loaded with an asphalt material container and a paving functional component and the function of flexibly adjusting the paving and compacting positions on the local road surface are necessary, but a mechanism or a device which can stably convey the asphalt material between the vehicle (such as an asphalt thermal regeneration vehicle) loaded with the asphalt material container and the paving functional component and flexibly adjust the paving and compacting positions on the local road surface are lacked in the prior art.
The invention content is as follows:
in order to solve the technical problems, the invention provides a feeding device for an asphalt paving compacting machine head, which can stably convey asphalt materials between a vehicle (such as an asphalt thermal regeneration vehicle) loaded with an asphalt material container and a paving functional component, and flexibly adjust the positions of paving and compacting operations on a local road surface.
The invention is realized by the following technical scheme:
the feeding device for the asphalt paving compacting machine head is characterized by comprising a hinged frame, a supporting sleeve, a movable arm push-pull oil cylinder and a supporting sleeve rotating oil cylinder, wherein the supporting sleeve is horizontally and rotatably hinged on the hinged frame, the movable arm penetrates through the supporting sleeve in a front-back sliding mode, the movable arm push-pull oil cylinder is connected between the movable arm and the supporting sleeve, one end of the supporting sleeve rotating oil cylinder is hinged on the supporting sleeve, the movable arm is of a hollow structure, a material conveying device is arranged in an inner cavity of the movable arm, a feeding hole is formed in the upper end of the supporting sleeve, a feeding groove penetrating through the inner cavity of the movable arm is formed in the upper end of the movable arm along the longitudinal direction of the movable.
In another aspect of the present invention, the material conveying device includes a driving roller, a driven roller, a conveying belt wound around the driving roller and the driven roller, an upper layer of the conveying belt passing through an inner cavity of a boom, and a roller driving device driving the driving roller to rotate, wherein the driving roller, the driven roller and the roller driving device are mounted and fixed on the boom.
In another aspect of the invention, the bottom surface of the cavity of the movable arm is supported below the upper belt of the conveyor belt, the driving roller and the roller driving device are respectively fixed at the front end of the movable arm, the driven roller is rotatably fixed at the rear end of the movable arm, and the lower belt of the conveyor belt is positioned below the movable arm.
In another aspect of the invention, the invention further comprises a conveyer belt cleaning mechanism, the conveyer belt cleaning mechanism comprises a brush roll, a brush roll height adjusting screw rod, a brush roll driving belt wheel, a brush roll driven belt wheel and two brush roll supporting plates, the brush roll is arranged between the two brush roll supporting plates through a bearing, the upper ends of the two brush roll supporting plates are respectively hinged on two sides of a movable arm, a positioning plate is transversely fixed at the side end of the movable arm, one end of the brush roll height adjusting screw rod is hinged on a plate body of the brush roll supporting plate, the other end of the brush roll height adjusting screw rod vertically and slidably penetrates through the positioning plate, an adjusting nut is assembled on the brush roll height adjusting screw rod and pressed on the upper end of the positioning plate, a tension spring is also sleeved on the brush roll height adjusting screw rod and tightly pressed between the brush roll height adjusting, the brush roll driven belt wheel is fixed on a rotating shaft of the brush roll, the brush roll driving belt wheel and the brush roll driven belt wheel are in transmission through a belt, and the brush roll is tightly pressed on the conveying belt or a gap with a preset distance is reserved between the brush roll and the conveying belt.
In another aspect of the present invention, the brush roller includes a roller shaft and a wire brush fixed to an outer periphery of the roller shaft with a gap of a predetermined distance in front of the conveyor belt.
In another aspect of the invention, the movable arm comprises an upper panel, a left side beam, a left side wear-resistant lining plate, a bottom plate, a right side beam and a right side wear-resistant lining plate, wherein the left side beam and the right side beam are respectively welded at two ends of the upper panel, the bottom plate is welded at the bottom ends of the left side beam and the right side beam, the left side wear-resistant lining plate is respectively welded with the left side beam and the bottom plate, and the right side wear-resistant lining plate is respectively welded with the right side beam.
In another aspect of the invention, the support sleeve comprises an upper groove body and a lower groove body which are connected together, the upper groove body and the lower groove body are in butt joint to form a rectangular cavity, a preset number of wear-resistant blocks are fixed in the rectangular cavity, the wear-resistant blocks are attached to the outer wall of the movable arm, a bearing seat is fixed at the lower end of the lower groove body, a connecting shaft is fixed on the hinge frame, and the bearing seat is connected with the connecting shaft through a bearing.
The invention has the beneficial effects that: the feeding device of the asphalt paving compacting machine head can stably convey asphalt materials between a vehicle (such as an asphalt thermal regeneration vehicle) loaded with an asphalt material container and a paving functional component, and flexibly adjust the paving and compacting positions on local road surfaces.
Description of the drawings:
fig. 1 is a schematic top view of a mounting structure according to an embodiment of the present invention.
FIG. 2 is a side view of an installation structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a support sleeve according to an embodiment of the invention.
Fig. 4 is a schematic diagram of a top view of a boom according to an embodiment of the present invention.
Fig. 5 is a partial structural schematic diagram of the front end of the boom in the embodiment of the present invention.
In the drawings: 1. the device comprises a hinged frame, 2, a support sleeve rotating oil cylinder, 3, a support sleeve, 301, a lower groove body, 302, an upper groove body, 303, a wear-resistant block, 304, a feeding pipe, 305, a bearing seat, 306, a bearing, 307, a connecting shaft, 4, a movable arm, 401, an upper panel, 402, a left side beam, 403, a left side wear-resistant lining plate, 404, a bottom plate, 405, a right side beam, 406, a right side wear-resistant lining plate, 407, a feeding groove, 5, a movable arm push-pull oil cylinder, 6, a material conveying device, 601, a roller driving device, 602, a conveying belt, 603, a driving roller, 604, a driven roller, 7, a conveying belt cleaning mechanism, 701, a brush roller driving pulley, 702, a brush roller driven pulley, 703, a brush roller, 704, a brush roller support plate, a brush roller, a height adjusting screw rod, 706, a tension spring, 8, a paving compaction functional component.
The specific implementation mode is as follows:
the following describes the embodiments of the present invention with reference to the drawings and examples:
in the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A feeding device for a head of an asphalt paving compactor comprises a hinged frame 1, a support sleeve 3, a movable arm 4, a movable arm push-pull oil cylinder 5 and a support sleeve rotating oil cylinder 2, wherein the support sleeve 3 is horizontally and rotatably hinged on the hinged frame 1, the movable arm penetrates through the support sleeve 3 in a front-back sliding mode, the movable arm push-pull oil cylinder 5 is connected between the movable arm and the support sleeve 3, one end of the support sleeve rotating oil cylinder 2 is hinged on the support sleeve 3, the movable arm is of a hollow structure, a material conveying device 6 is arranged in an inner cavity of the movable arm, a feeding hole is formed in the upper end of the support sleeve 3, a feeding groove 407 penetrating through the inner cavity of the movable arm is longitudinally formed in the upper end of the movable arm along the movable arm, and the. The material conveying device comprises a driving roller 603, a driven roller 604, a conveying belt 602 surrounding between the driving roller 603 and the driven roller 604, and a roller driving device 601 driving the driving roller 603 to rotate, wherein an upper layer of the conveying belt 602 passes through an inner cavity of a movable arm, and the driving roller 603, the driven roller 604 and the roller driving device 601 are fixedly arranged on the movable arm. The bottom surface of the boom inner cavity is supported below the upper layer belt of the conveyer belt 602, the driving roller 603 and the roller driving device 601 are respectively installed at the front end of the boom, the driving roller 603 is rotatably fixed at the front end of the boom, the driven roller 604 is rotatably fixed at the rear end of the boom, and the lower layer belt of the conveyer belt 602 is located below the boom. The automatic cleaning device further comprises a conveying belt cleaning mechanism 7, the conveying belt cleaning mechanism 7 comprises a brush roll 703, a brush roll height adjusting screw 705, a brush roll driving pulley 701, a brush roll driven pulley 702 and two brush roll supporting plates 704, the brush roll 703 is installed between the two brush roll supporting plates 704 through a bearing, the upper ends of the two brush roll supporting plates 704 are respectively hinged to two sides of a movable arm, a positioning plate is transversely welded and fixed to the side end of the movable arm, one end of the brush roll height adjusting screw 705 is hinged to the plate body of the brush roll supporting plate 704, the other end of the brush roll height adjusting screw is capable of vertically and slidably penetrating through the positioning plate, an adjusting nut is assembled on the brush roll height adjusting screw 705 and pressed at the upper end of the positioning plate, a tensioning spring 706 is further sleeved on the brush roll height adjusting screw 705, the tensioning spring 706 is tightly pressed between the brush roll, the brush roll driven pulley 702 is fixed on a rotating shaft of the brush roll 703, the brush roll driving pulley 701 and the brush roll driven pulley 702 are in transmission through a belt, the brush roll 703 is tightly pressed on the conveying belt 602 or a gap with a preset distance is reserved between the brush roll driving pulley 701 and the brush roll driven pulley 702, in the embodiment, the brush roll 703 comprises a roll shaft and a steel wire brush which is fixed on the periphery of the roll shaft in a common connection mode of binding, welding and the like, and a gap with a preset distance is reserved between the steel wire brush and the conveying belt 602. The movable arm comprises an upper panel 401, a left side beam 402, a left side wear-resistant lining plate 403, a bottom plate 404, a right side beam 405 and a right side wear-resistant lining plate 406, wherein the left side beam 402 and the right side beam 405 are respectively welded at two ends of the upper panel 401, the bottom plate 404 is welded at the bottom ends of the left side beam 402 and the right side beam 405, the left side wear-resistant lining plate 403 is respectively welded with the left side beam 402 and the bottom plate 404, and the right side wear-resistant lining plate 406 is respectively welded with the right side beam 405. The support sleeve 3 comprises an upper groove body 302 and a lower groove body 301 which are detachably connected together through bolts, the upper groove body 302 and the lower groove body 301 are in butt joint to form a rectangular cavity, a preset number of wear-resistant blocks 303 are fixed in the rectangular cavity through bolts or in a welded mode, the wear-resistant blocks 303 are attached to the outer wall of the movable arm 4, a bearing seat 305 is fixed at the lower end of the lower groove body 301 through bolts, a connecting shaft 307 is fixed on the hinged frame 1 in a welded mode, and the bearing seat 305 is connected with the connecting shaft 307 through bearings. For the convenience of connection, a feed pipe 304 can be welded and fixed at a feed port at the upper end of the support sleeve 3.
During the use, with this kind of pitch paving compactor head material feeding unit erection joint between the frame 11 of pitch thermal regeneration car (or other loads the vehicle of asphalt material) and the compaction function subassembly that paves, pass through bolt or welded fastening with articulated frame 1 on the frame 11 of pitch thermal regeneration car (or other loads the vehicle of asphalt material), pass through bolt fastening with the compaction function subassembly that paves at the front end of swing arm 4, the one end that will support set rotation hydro-cylinder 2 is kept away from supporting set 3 articulates on the frame of pitch thermal regeneration car (or other loads the vehicle of asphalt material) so that drive supporting set 3 rotates, will support the feed inlet of set 3 upper end and be connected with the pitch discharge gate of pitch thermal regeneration car (or other loads the vehicle of asphalt material). The supporting sleeve rotating oil cylinder 2 drives the supporting sleeve 3 to rotate on the hinged frame 1, so that the paving and compacting functional component fixed at the front end of the movable arm 4 can swing left and right, the position of the paving and compacting functional component fixed at the front end of the movable arm 4 can be adjusted in the left and right direction, the movable arm push-pull oil cylinder 5 can stretch and retract to drive the movable arm 4 to slide back and forth, the position of the paving and compacting functional component fixed at the front end of the movable arm 4 can be conveniently adjusted in the front and back direction, and a material conveying device in a movable arm inner cavity can convey asphalt materials entering the movable arm inner cavity through a feeding hole in the upper end of the supporting sleeve 3 and a feeding groove 407 in the upper end of the movable. The bottom surface of the boom chamber supports the upper belt of the belt 602. The conveying belt cleaning mechanism 7 can clean materials bonded on the conveying belt and discharge the brushed materials to the front. The upper supporting plate 9 and the lower supporting plate 10 can be welded or fixed through bolts on a frame of an asphalt thermal regeneration vehicle (or other vehicles loaded with asphalt materials), the bottom end of the movable arm 4 is tightly attached to the lower supporting plate 10, and the upper end of the movable arm 4 is tightly attached to the lower end of the upper supporting plate 9, so that the structure is more stable.
The feeding device of the asphalt paving compacting machine head can stably convey asphalt materials between a vehicle (such as an asphalt thermal regeneration vehicle) loaded with an asphalt material container and a paving functional component, and flexibly adjust the positions of paving and compacting operations on local road surfaces.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. A feeding device of a head of an asphalt paving compacting machine is characterized by comprising a hinged frame (1), a supporting sleeve (3), a movable arm (4), a movable arm push-pull oil cylinder (5) and a supporting sleeve rotating oil cylinder (2), the supporting sleeve (3) is horizontally and rotatably hinged on the hinged frame (1), the movable arm can pass through the supporting sleeve (3) in a sliding way front and back, the movable arm push-pull oil cylinder (5) is connected between the movable arm and the supporting sleeve (3), one end of the support sleeve rotating oil cylinder (2) is hinged on the support sleeve (3), the movable arm is of a hollow structure, a material conveying device (6) is arranged in the inner cavity of the movable arm, the upper end of the support sleeve (3) is provided with a feed inlet, the upper end of the movable arm is provided with a feed chute (407) which penetrates through the inner cavity of the movable arm along the longitudinal direction of the movable arm, the feed port is positioned above the feed chute (407) in the process of forward and backward sliding of the movable arm.
2. The asphalt paving compacting machine head feeding device as claimed in claim 1, wherein the material conveying device comprises a driving roller (603), a driven roller (604), a conveying belt (602) wound around between the driving roller (603) and the driven roller (604), and a roller driving device (601) for driving the driving roller (603) to rotate, the upper layer of the conveying belt (602) passes through an inner cavity of a boom, and the driving roller (603), the driven roller (604) and the roller driving device (601) are fixedly mounted on the boom.
3. The asphalt paving compactor head feeding device according to claim 2, wherein the bottom surface of the movable arm inner cavity is supported below the upper belt of the conveyer belt (602), the driving roller (603) and the roller driving device (601) are respectively fixed at the front end of the movable arm, the driven roller (604) is rotatably fixed at the rear end of the movable arm, and the lower belt of the conveyer belt (602) is located below the movable arm.
4. The asphalt paving compacting machine head feeding device according to claim 2 or 3, characterized by further comprising a conveyor belt cleaning mechanism (7), wherein the conveyor belt cleaning mechanism (7) comprises a brush roller (703), a brush roller height adjusting screw (705), a brush roller driving pulley (701), a brush roller driven pulley (702), and two brush roller supporting plates (704), the brush roller (703) is installed between the two brush roller supporting plates (704) through a bearing, the upper ends of the two brush roller supporting plates (704) are respectively hinged on two sides of a movable arm, a positioning plate is transversely fixed on the side end of the movable arm, one end of the brush roller height adjusting screw (705) is hinged on a plate body of the brush roller supporting plate (704), the other end of the brush roller height adjusting screw (705) vertically slidably penetrates through the positioning plate, an adjusting nut is assembled on the brush roller height adjusting screw (705), and the adjusting nut is pressed on, the brush roll height adjusting screw rod (705) is further sleeved with a tension spring (706), the tension spring (706) is tightly pressed between the brush roll height adjusting screw rod (705) and a positioning plate, a brush roll driving pulley (701) is fixed on a rotating shaft of a driving roller (603), a brush roll driven pulley (702) is fixed on the rotating shaft of the brush roll (703), the brush roll driving pulley (701) and the brush roll driven pulley (702) are in transmission through a belt, and the brush roll (703) is tightly pressed on a conveying belt (602) or a gap with a preset distance is reserved between the brush roll (703) and the conveying belt (602).
5. The asphalt paving compactor head feeding device according to claim 4, wherein the brush roller (703) comprises a roller shaft and a wire brush fixed on the periphery of the roller shaft, and the wire brush is spaced from the conveyor belt (602) by a preset distance.
6. The asphalt paving compacting machine head feeding device as claimed in claim 1, 2 or 3, wherein the movable arm comprises an upper panel (401), a left side beam (402), a left side wear liner (403), a bottom plate (404), a right side beam (405) and a right side wear liner (406), the left side beam (402) and the right side beam (405) are respectively welded at two ends of the upper panel (401), the bottom plate (404) is welded at the bottom ends of the left side beam (402) and the right side beam (405), the left side wear liner (403) is respectively welded with the left side beam (402) and the bottom plate (404), and the right side wear liner (406) is respectively welded with the right side beam (405) and the bottom plate (404).
7. The asphalt paving compactor head feeding device according to claim 1, 2 or 3, wherein the support sleeve (3) comprises an upper groove body (302) and a lower groove body (301) which are connected together, the upper groove body (302) and the lower groove body (301) are butted to form a rectangular cavity, a preset number of wear-resistant blocks (303) are fixed in the rectangular cavity, the wear-resistant blocks (303) are attached to the outer wall of the movable arm (4), a bearing seat (305) is fixed at the lower end of the lower groove body (301), a connecting shaft (307) is fixed on the hinge frame (1), and the bearing seat (305) and the connecting shaft (307) are connected through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245854.8A CN112252132A (en) | 2020-11-10 | 2020-11-10 | Asphalt paving compacting machine head feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245854.8A CN112252132A (en) | 2020-11-10 | 2020-11-10 | Asphalt paving compacting machine head feeding device |
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| Publication Number | Publication Date |
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| CN112252132A true CN112252132A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011245854.8A Pending CN112252132A (en) | 2020-11-10 | 2020-11-10 | Asphalt paving compacting machine head feeding device |
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| CN (1) | CN112252132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463477A (en) * | 2021-08-13 | 2021-10-01 | 李维维 | Micro-surfacing paver and construction method |
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2020
- 2020-11-10 CN CN202011245854.8A patent/CN112252132A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463477A (en) * | 2021-08-13 | 2021-10-01 | 李维维 | Micro-surfacing paver and construction method |
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