CN214033288U - Device for evenly paving asphalt concrete pavement and detecting thickness of asphalt concrete pavement - Google Patents
Device for evenly paving asphalt concrete pavement and detecting thickness of asphalt concrete pavement Download PDFInfo
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- CN214033288U CN214033288U CN202022628280.4U CN202022628280U CN214033288U CN 214033288 U CN214033288 U CN 214033288U CN 202022628280 U CN202022628280 U CN 202022628280U CN 214033288 U CN214033288 U CN 214033288U
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004567 concrete Substances 0.000 abstract description 5
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides a device for evenly paving an asphalt concrete pavement and detecting the thickness of the asphalt concrete pavement, which comprises a main frame structure, wherein a first box body structure and a second box body structure are symmetrically arranged on two sides of the main frame structure; travelling wheels with height convenient to adjust are respectively installed on the outer sides of the first box body structure and the second box body structure through a quick locking mechanism; the first box body structure is provided with a thickness detection device for detecting the paving thickness in real time; a middle hinge cage structure is arranged between the main frame structures through a mandrel transmission assembly, and a first outer hinge cage structure and a second outer hinge cage structure are respectively connected to two sides of the middle hinge cage structure; the middle hinge cage structure is connected with a hinge cage power device for driving the middle hinge cage structure to rotate, and the hinge cage power device is fixedly installed at the top of the main frame structure. This device can be used for asphalt concrete road construction in-process, realizes bituminous concrete's quick shakeout, and then has improved shakeout efficiency.
Description
Technical Field
The utility model relates to a municipal administration asphalt concrete road construction equipment field especially relates to an asphalt concrete road surface evenly paves and thickness detection device.
Background
In the construction process of municipal asphalt concrete pavements, the asphalt concrete needs to be flattened in the initial process, so that the subsequent vibration rolling is facilitated. At present, the spreading device generally adopts a scraping and spreading operation mode mainly by adopting a manual push plate holding mode, and the operation mode has low working efficiency and high operation intensity and cannot adapt to the spreading of large-area and high-standard asphalt concrete pavements.
Although, in CN201920644683, a concrete paver for road and bridge construction for preventing concrete overflow is disclosed, which uses a spiral hinged cage to pave concrete, in the actual use process, there are several problems as follows: firstly, the paving thickness cannot be well controlled and adjusted; secondly, the paving height cannot be accurately obtained in the paving process; thirdly, the paver adopts the fixed length of the hinge cage in the specific use process, so that the length can not be adjusted according to the specific actual construction requirement, and the adaptability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides an asphalt concrete pavement uniform paving and thickness detection device, which can be used in the asphalt concrete pavement construction process to realize the rapid flattening of asphalt concrete, thereby improving the flattening efficiency; meanwhile, the paving height can be conveniently detected in the paving process, and the paving thickness is ensured; the paving height can be adjusted according to the paving thickness standard, the paving construction requirement is met, the flattening quality is further guaranteed, and meanwhile the operation intensity of workers is reduced.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the device for uniformly paving the asphalt concrete pavement and detecting the thickness of the asphalt concrete pavement comprises a main frame structure, wherein a first box structure and a second box structure are symmetrically arranged on two sides of the main frame structure; travelling wheels with height convenient to adjust are respectively installed on the outer sides of the first box body structure and the second box body structure through a quick locking mechanism; the first box body structure is provided with a thickness detection device for detecting the paving thickness in real time; a middle hinge cage structure is arranged between the main frame structures through a mandrel transmission assembly, and a first outer hinge cage structure and a second outer hinge cage structure are respectively connected to two sides of the middle hinge cage structure; the other end of the first outer side hinge cage structure is rotatably supported on the first box body structure, and the other end of the second outer side hinge cage structure is rotatably supported on the second box body structure; the middle hinge cage structure is connected with a hinge cage power device for driving the middle hinge cage structure to rotate, and the hinge cage power device is fixedly installed at the top of the main frame structure.
The main frame structure comprises a main counterweight beam, a dragging cross rod is fixedly mounted at the top of the main counterweight beam through a connecting seat, and a mandrel transmission assembly is fixedly mounted at the tail end of the bottom of the dragging cross rod through an L-shaped connecting piece.
The first box structure and the second box structure adopt the same structure, the first box structure includes U type box, the one end cartridge of U type box is in the main counter weight beam end position of main frame structure, the top hem processing of U type box has the adjustment tank, run through on the adjustment tank and install the locking bolt that is used for linking to each other with main counter weight beam, be fixed with the outer panel at the other end of U type box, the lateral wall of outer panel is fixed with the walking wheel mounting box.
The inside of walking wheel mounting box is provided with the slider mounting groove, and equidistant processing has a plurality of not co-altitude locating holes on walking wheel mounting box.
The thickness detection device comprises a sensor mounting plate, the sensor mounting plate is fixed to the top of the outer side plate of the first box body structure, and a first height sensor and a second height sensor are mounted at two ends of the sensor mounting plate through locking nuts respectively.
The middle hinged cage structure, the first outer hinged cage structure and the second outer hinged cage structure all adopt the same structure and comprise hollow hinged cage shafts and helical blades; two adjacent groups of hollow hinge cage shafts are connected through a mandrel transmission assembly in a transmission manner and transmit torque.
The dabber drive assembly includes the dabber axle sleeve, the dabber axle sleeve is fixed at the L type connecting piece end of main frame structure, the dabber is installed through first slide bearing and second slide bearing in the inside of dabber axle sleeve, first reducing sleeve and second reducing sleeve are installed respectively to the both ends of dabber, first reducing sleeve links to each other with the hollow hinge cage axle cooperation of first outside hinge cage structure, the second reducing sleeve links to each other with the hollow hinge cage axle cooperation of middle part hinge cage structure, the both ends of dabber link to each other and transmit the moment of torsion through the hollow hinge cage axle stationary phase of horizontal pin and relevant side respectively.
Hinge cage power device includes the motor, the motor passes through motor base to be fixed on the main counter weight roof beam top of main frame structure, drive sprocket is installed to the output shaft of motor, drive sprocket passes through chain and driven sprocket meshing transmission, driven sprocket fixed mounting is epaxial at the hollow hinge cage of middle part hinge cage structure, driven sprocket's externally mounted has the guard shield.
The quick locking mechanism comprises a sliding seat, the sliding seat is slidably mounted inside a sliding block mounting groove of the first box body structure, a wheel shaft is fixedly mounted on the sliding seat, a sliding pin is slidably mounted inside the wheel shaft, a return spring is sleeved on the sliding pin, a positioning column is arranged at the end of the sliding pin, the positioning column is matched with a positioning hole of the first box body structure and locks the sliding seat inside the sliding block mounting groove, and a pull ring is fixedly mounted at the other end of the sliding pin; the travelling wheel is installed on the wheel shaft through a rolling bearing.
The utility model discloses there is following beneficial effect:
1. the device can be used in the asphalt concrete road construction process, so that the asphalt concrete can be quickly flattened, and the flattening efficiency is improved; meanwhile, the paving height can be conveniently detected in the paving process, and the paving thickness is ensured; the paving height can be adjusted according to the paving thickness standard, the paving construction requirement is met, the flattening quality is further guaranteed, and meanwhile the operation intensity of workers is reduced.
2. The whole device can be installed through the main frame structure, and the stability of the structure of the device is guaranteed.
3. Through the fixed mode of its cartridge that adopts and to adjust the mounted position of foretell first box structure and second box structure, and then be convenient for adjust the mounted position of first box structure and second box structure according to the width on road surface, and then make middle part hinge cage structure, first outside hinge cage structure and second outside hinge cage structure can cover whole road surface width, and then improved the efficiency of paving.
4. The sliding seat is convenient to limit and fix through the sliding block mounting groove, so that the purpose of adjusting the height of the walking wheel is achieved, and the purpose of locking and positioning can be achieved through the positioning hole.
5. The thickness detection device can be used for detecting the height of the paved road. The height between the first height sensor and the ground is detected through the second height sensor, and the height difference between the first height sensor and the second height sensor is the paving thickness.
6. The hinge cage structure can be used for effectively paving asphalt concrete.
7. Can be used for transmitting the moment of torsion through dabber transmission assembly, and then hinge the power transmission of cage structure with the middle part and hinge the cage structure for the first outside and the second outside of both sides and hinge the cage structure.
8. The power device for the hinged cage can be used for providing power for rotation of the hinged cage, and further provides paving power.
9. The height of the walking wheel can be quickly adjusted through the quick locking mechanism, and therefore the purpose of controlling the paving thickness is achieved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present invention.
Fig. 2 is a second perspective three-dimensional view of the present invention.
Fig. 3 is a third perspective three-dimensional view of the present invention.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a view from B-B in fig. 4 according to the present invention.
Fig. 6 is a view from C to C in fig. 4 according to the present invention.
Fig. 7 is a partial view of a portion a of fig. 5 according to the present invention.
Fig. 8 is a partial view of D in fig. 6 according to the present invention.
Fig. 9 is the utility model discloses the thickness that paves detects the schematic diagram.
In the figure: the device comprises a main frame structure 1, a thickness detection device 2, a travelling wheel 3, a first box body structure 4, a hinge cage power device 5, a mandrel transmission assembly 6, a second outer side hinge cage structure 7, a first outer side hinge cage structure 8, a middle hinge cage structure 9, a second box body structure 10 and a quick locking mechanism 11;
the device comprises a main counterweight beam 101, a connecting seat 102, a dragging cross rod 103 and an L-shaped connecting piece 104;
the device comprises an outer side plate 401, a road wheel mounting box 402, a slide block mounting groove 403, a positioning hole 404, a U-shaped box body 405, an adjusting groove 406 and a locking bolt 407;
a motor 501, a driving sprocket 502, a chain 503, a shield 504, a motor base 505 and a driven sprocket 507;
a mandrel shaft sleeve 601, a first sliding bearing 602, a mandrel 603, a first reducing sleeve 604, a second sliding bearing 605, a second reducing sleeve 606 and a transverse pin 607;
a hollow hinge cage shaft 701 and a helical blade 702;
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
referring to fig. 1-9, the device for uniformly paving and detecting the thickness of the asphalt concrete pavement comprises a main frame structure 1, wherein a first box structure 4 and a second box structure 10 are symmetrically arranged on two sides of the main frame structure 1; the travelling wheels 3 with the height convenient to adjust are respectively arranged on the outer sides of the first box body structure 4 and the second box body structure 10 through quick locking mechanisms 11; the first box body structure 4 is provided with a thickness detection device 2 for detecting the paving thickness in real time; a middle hinge cage structure 9 is arranged between the main frame structures 1 through a mandrel transmission assembly 6, and a first outer hinge cage structure 8 and a second outer hinge cage structure 7 are respectively connected to two sides of the middle hinge cage structure 9; the other end of the first outer side hinge cage structure 8 is rotatably supported on the first box body structure 4, and the other end of the second outer side hinge cage structure 7 is rotatably supported on the second box body structure 10; the middle hinge cage structure 9 is connected with a hinge cage power device 5 for driving the middle hinge cage structure to rotate, and the hinge cage power device 5 is fixedly installed at the top of the main frame structure 1. The device can be used in the asphalt concrete road construction process, so that the asphalt concrete can be quickly flattened, and the flattening efficiency is improved; meanwhile, the paving height can be conveniently detected in the paving process, and the paving thickness is ensured; the paving height can be adjusted according to the paving thickness standard, the paving construction requirement is met, the flattening quality is further guaranteed, and meanwhile the operation intensity of workers is reduced. In the concrete use, can all be synchronous drive middle part hinge cage structure 9, first outside hinge cage structure 8 and second outside hinge cage structure 7 through hinge cage power device 5, and then realize paving asphalt concrete through hinge cage structure, guarantee its homogeneity of paving, detect the thickness of paving through thickness detection device 2 in addition, adjust the height of walking wheel through quick locking mechanism 11.
Further, the main frame structure 1 includes a main counterweight beam 101, a dragging cross rod 103 is fixedly installed at the top of the main counterweight beam 101 through a connecting seat 102, and a mandrel transmission assembly 6 is fixedly installed at the bottom end of the dragging cross rod 103 through an L-shaped connecting piece 104. The whole device can be installed through the main frame structure 1, and the structural stability of the device is guaranteed.
Further, the first box structure 4 and the second box structure 10 adopt the same structure, the first box structure 4 includes a U-shaped box 405, one end of the U-shaped box 405 is inserted into the end position of the main counterweight beam 101 of the main frame structure 1, an adjusting groove 406 is machined at the top edge of the U-shaped box 405, a locking bolt 407 for connecting with the main counterweight beam 101 is installed on the adjusting groove 406 in a penetrating manner, an outer side plate 401 is fixed at the other end of the U-shaped box 405, and a travelling wheel mounting box 402 is fixed on the outer side wall of the outer side plate 401. Through the fixed mode of its cartridge that adopts and to adjust the mounted position of foretell first box structure 4 and second box structure 10, and then be convenient for adjust the mounted position of first box structure 4 and second box structure 10 according to the width on road surface, and then make middle part hinge cage structure 9, first outside hinge cage structure 8 and second outside hinge cage structure 7 can cover whole road surface width, and then improved the efficiency of paving. In the specific adjusting process, the mounting position of the U-shaped box body 405 on the main counterweight beam 101 is changed through the matching of the adjusting groove 406 and the locking bolt 407, and the purpose of adjusting the extending length is further achieved.
Further, a sliding block mounting groove 403 is formed in the traveling wheel mounting box 402, and a plurality of positioning holes 404 with different heights are formed in the traveling wheel mounting box 402 at equal intervals. The sliding seat 1106 is limited and fixed conveniently through the sliding block mounting groove 403, so that the purpose of adjusting the height of the travelling wheel is achieved, and the purpose of locking and positioning can be achieved through the positioning hole 404.
Further, the thickness detection device 2 comprises a sensor mounting plate 202, the sensor mounting plate 202 is fixed on the top of the outer side plate 401 of the first box structure 4, and a first height sensor 201 and a second height sensor 204 are respectively mounted at two ends of the sensor mounting plate 202 through locking nuts 203. The thickness detection device 2 described above can be used to detect the height of a paved road surface. The heights between the first height sensor 201 and the second height sensor 204 and the ground are respectively detected, and the height difference between the first height sensor and the second height sensor is the paving thickness.
Further, the middle hinge cage structure 9, the first outer hinge cage structure 8 and the second outer hinge cage structure 7 all adopt the same structure, and comprise a hollow hinge cage shaft 701 and a helical blade 702; two adjacent groups of hollow hinge cage shafts 701 are connected through a mandrel transmission assembly 6 in a transmission mode and transmit torque. The hinge cage structure can be used for effectively paving asphalt concrete.
Further, dabber drive assembly 6 includes dabber axle sleeve 601, dabber axle sleeve 601 is fixed at main frame structure 1's L type connecting piece 104 end, dabber 603 is installed through first slide bearing 602 and second slide bearing 605 in dabber axle sleeve 601's inside, first reducing sleeve 604 and second reducing sleeve 606 are installed respectively to the both ends of dabber 603, first reducing sleeve 604 links to each other with the hollow hinge cage axle cooperation of first outside hinge cage structure 8, second reducing sleeve 606 links to each other with the hollow hinge cage axle cooperation of middle part hinge cage structure 9, the both ends of dabber 603 are fixed with the hollow hinge cage axle of corresponding side and are linked to each other and transmit the moment of torsion through horizontal pin 607 respectively. Can be used for transmitting the moment of torsion through dabber transmission assembly 6, and then hinge the power transmission of cage structure 9 with the middle part and hinge cage structure 8 and the second outside hinge cage structure 7 of both sides for the first outside. And the rotation of the whole hinge cage can be realized only by one hinge cage power device 5, so that the purpose of paving is achieved.
Further, the hinge cage power device 5 comprises a motor 501, the motor 501 is fixed at the top end of the main counterweight beam 101 of the main frame structure 1 through a motor base 505, a driving sprocket 502 is installed on an output shaft of the motor 501, the driving sprocket 502 is in meshing transmission with a driven sprocket 507 through a chain 503, the driven sprocket 507 is fixedly installed on a hollow hinge cage shaft of the middle hinge cage structure 9, and a shield 504 is installed outside the driven sprocket 507. The power device 5 for the hinged cage can be used for providing power for rotation of the hinged cage, and further provides paving power. In the working process, the motor 501 drives the driving sprocket 502, the driving sprocket 502 drives the chain 503, the chain 503 drives the driven sprocket 507 synchronously, and the driven sprocket 507 drives the middle hinge cage structure 9 to rotate.
Further, the quick locking mechanism 11 includes a sliding seat 1106, the sliding seat 1106 is slidably mounted inside the slider mounting groove 403 of the first box structure 4, a wheel axle 1102 is fixedly mounted on the sliding seat 1106, a sliding pin 1104 is slidably mounted inside the wheel axle 1102, a return spring 1103 is sleeved on the sliding pin 1104, a positioning post 1107 is disposed at an end of the sliding pin 1104, the positioning post 1107 is matched with the positioning hole 404 of the first box structure 4 and locks the sliding seat 1106 inside the slider mounting groove 403, and a pull ring 1105 is fixedly mounted at the other end of the sliding pin 1104; the road wheel 3 is mounted on an axle 1102 by a rolling bearing 1101. The height of the walking wheel 3 can be quickly adjusted through the quick locking mechanism 11, and then the purpose of controlling the paving thickness is achieved. In the specific adjusting process, the positioning column 1107 is separated from the positioning hole 404 by manually pulling the pull ring 1105 and then pulling the sliding pin 1104, the sliding seat 1106 is slid, the height of the sliding seat 1106 in the sliding block mounting groove 403 is changed, after the adjustment is completed, the pull ring 1105 is loosened, the sliding pin 1104 is automatically reset under the action of the reset spring 1103, and then the positioning column 1107 is matched with the positioning hole 404 again, and finally the purpose of adjusting the height of the traveling wheel is achieved.
Claims (9)
1. Asphalt concrete pavement evenly paves and thickness detection device, its characterized in that: the device comprises a main frame structure (1), wherein a first box body structure (4) and a second box body structure (10) are symmetrically arranged on two sides of the main frame structure (1); the outer sides of the first box body structure (4) and the second box body structure (10) are respectively provided with a travelling wheel (3) with the height convenient to adjust through a quick locking mechanism (11); the first box body structure (4) is provided with a thickness detection device (2) for detecting the paving thickness in real time; a middle hinge cage structure (9) is arranged between the main frame structures (1) through a mandrel transmission assembly (6), and a first outer hinge cage structure (8) and a second outer hinge cage structure (7) are respectively connected to two sides of the middle hinge cage structure (9); the other end of the first outer side hinge cage structure (8) is rotatably supported on the first box body structure (4), and the other end of the second outer side hinge cage structure (7) is rotatably supported on the second box body structure (10); the middle hinge cage structure (9) is connected with a hinge cage power device (5) for driving the middle hinge cage structure to rotate, and the hinge cage power device (5) is fixedly installed at the top of the main frame structure (1).
2. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: the main frame structure (1) comprises a main counterweight beam (101), a dragging cross rod (103) is fixedly mounted at the top of the main counterweight beam (101) through a connecting seat (102), and a mandrel transmission assembly (6) is fixedly mounted at the tail end of the bottom of the dragging cross rod (103) through an L-shaped connecting piece (104).
3. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: first box structure (4) and second box structure (10) adopt the same structure, first box structure (4) are including U type box (405), the one end cartridge of U type box (405) is in main counter weight roof beam (101) end position of main frame structure (1), the top hem processing of U type box (405) has adjustment tank (406), run through on adjustment tank (406) and install locking bolt (407) that are used for linking to each other with main counter weight roof beam (101), be fixed with outer panel (401) at the other end of U type box (405), the lateral wall of outer panel (401) is fixed with walking wheel mounting box (402).
4. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 3, wherein the device comprises: the traveling wheel mounting box (402) is internally provided with a sliding block mounting groove (403), and a plurality of positioning holes (404) with different heights are processed on the traveling wheel mounting box (402) at equal intervals.
5. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: the thickness detection device (2) comprises a sensor mounting plate (202), the sensor mounting plate (202) is fixed to the top of an outer side plate (401) of the first box body structure (4), and a first height sensor (201) and a second height sensor (204) are mounted at two ends of the sensor mounting plate (202) through locking nuts (203) respectively.
6. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: the middle hinged cage structure (9), the first outer hinged cage structure (8) and the second outer hinged cage structure (7) are all of the same structure and comprise hollow hinged cage shafts (701) and helical blades (702); two adjacent groups of hollow hinge cage shafts (701) are in transmission connection through a mandrel transmission assembly (6) and transmit torque.
7. The device for evenly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, 2 or 6, wherein: dabber transmission subassembly (6) include dabber axle sleeve (601), L type connecting piece (104) end at main frame structure (1) is fixed in dabber axle sleeve (601), dabber (603) are installed through first slide bearing (602) and second slide bearing (605) in the inside of dabber axle sleeve (601), first reducing sleeve (604) and second reducing sleeve (606) are installed respectively to the both ends of dabber (603), first reducing sleeve (604) link to each other with the hollow hinge cage axle cooperation of first outside hinge cage structure (8), second reducing sleeve (606) link to each other with the hollow hinge cage axle cooperation of middle part hinge cage structure (9), the both ends of dabber (603) are fixed to link to each other and transmit the moment of torsion through horizontal round pin (607) and the hollow hinge cage axle of corresponding side respectively.
8. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: hinge cage power device (5) include motor (501), motor (501) are fixed on main counter weight roof beam (101) top of main frame structure (1) through motor base (505), drive sprocket (502) is installed to the output shaft of motor (501), drive sprocket (502) are through chain (503) and driven sprocket (507) meshing transmission, driven sprocket (507) fixed mounting is on the hollow hinge cage axle of middle part hinge cage structure (9), the externally mounted of driven sprocket (507) has guard shield (504).
9. The device for uniformly paving and detecting the thickness of the asphalt concrete pavement according to claim 1, which is characterized in that: the quick locking mechanism (11) comprises a sliding seat (1106), the sliding seat (1106) is slidably mounted inside a sliding block mounting groove (403) of the first box body structure (4), a wheel shaft (1102) is fixedly mounted on the sliding seat (1106), a sliding pin (1104) is slidably mounted inside the wheel shaft (1102), a reset spring (1103) is sleeved on the sliding pin (1104), a positioning column (1107) is arranged at the end part of the sliding pin (1104), the positioning column (1107) is matched with a positioning hole (404) of the first box body structure (4) and locks the sliding seat (1106) inside the sliding block mounting groove (403), and a pull ring (1105) is fixedly mounted at the other end part of the sliding pin (1104); the travelling wheel (3) is mounted on a wheel shaft (1102) through a rolling bearing (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628280.4U CN214033288U (en) | 2020-11-13 | 2020-11-13 | Device for evenly paving asphalt concrete pavement and detecting thickness of asphalt concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628280.4U CN214033288U (en) | 2020-11-13 | 2020-11-13 | Device for evenly paving asphalt concrete pavement and detecting thickness of asphalt concrete pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214033288U true CN214033288U (en) | 2021-08-24 |
Family
ID=77359132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022628280.4U Expired - Fee Related CN214033288U (en) | 2020-11-13 | 2020-11-13 | Device for evenly paving asphalt concrete pavement and detecting thickness of asphalt concrete pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214033288U (en) |
-
2020
- 2020-11-13 CN CN202022628280.4U patent/CN214033288U/en not_active Expired - Fee Related
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