CN111236031A - Town road pitch laying device - Google Patents
Town road pitch laying device Download PDFInfo
- Publication number
- CN111236031A CN111236031A CN202010080168.3A CN202010080168A CN111236031A CN 111236031 A CN111236031 A CN 111236031A CN 202010080168 A CN202010080168 A CN 202010080168A CN 111236031 A CN111236031 A CN 111236031A
- Authority
- CN
- China
- Prior art keywords
- plate
- vertical frame
- guide rod
- municipal road
- road asphalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a municipal road asphalt paving device which comprises a movable vertical frame, wherein a guide rod is arranged on the vertical frame, one side of the guide rod is connected with a flattening device in a sliding manner, and the other side of the guide rod is connected with a discharging device; the utility model discloses a ground seam filling device, including discharger tip, floor seam, heater, flattening ware, heater, the ground seam is sewed up to the pitch heating that overflows, at first place seam is put to the ejection of compact rifle head that discharger tip was equipped with inside, then remove the grudging post, and then drive the discharger removal, thereby make the device can carry out asphalt laying to the crack on ground, the flattener that sets up simultaneously can flatten the pitch that overflows ground, make the road surface comparatively level and smooth, be equipped with the heater on the discharger, utilize the heater to give the inside pitch heating of glassware and make its fast flow to ground seam, thereby improve the efficiency that the device's ground seam was filled, the deflector rod that sets up both can guarantee that the flattener reciprocates, avoid it to appear the aversion phenomenon, also can guarantee simultaneously when.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a municipal road asphalt laying device.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is in a liquid state, a semi-solid state or a solid state, and is a waterproof, moistureproof and anticorrosive organic cementing material. It is used in paint, plastic, rubber and other industry, road surface paving and other fields. Asphalt is solid at normal temperature, so when the asphalt is used, the solid asphalt needs to be heated to melt, the heating temperature is about 120 ℃, asphalt in the prior art is generally heated by a boiler and then is transported to paving equipment, so that the temperature of the asphalt is reduced, the quality of the paved asphalt pavement is reduced, and especially when cracks appear in asphalt ways, large-scale equipment is used, so that manpower and material resources are consumed, and the effect of filling the cracks is not good.
Disclosure of Invention
The invention aims to provide a municipal road asphalt laying device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a municipal road asphalt laying device comprises a vertical frame bridged at two sides of a ground seam, wherein a guide rod is arranged on the vertical frame, one side of the guide rod is in sliding fit with a flattening device, and the other side of the guide rod is in sliding fit with a discharging device; the flattening device comprises a supporting plate, one end of the supporting plate is integrally connected with a transverse plate, a pressing plate is arranged at the other end of the supporting plate, an arc surface is arranged on the pressing plate, and the arc surface is positioned on one side of the advancing direction of the vertical frame; the upper end of the discharger is provided with an air pump for pumping air into the discharger, one end of the air pump is in threaded fit with the discharger, the other end of the air pump is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with the vertical frame; the discharging device is provided with a first guide plate and a second guide plate, the first guide plate is in sliding fit with the guide rod, strip-shaped sliding grooves are formed in the first guide plate and the second guide plate, and the extending direction of the sliding grooves is consistent with that of the first guide plate; the discharging device comprises a storage shell for storing asphalt and a discharging gun head for discharging the asphalt, wherein a storage cavity is arranged in the storage shell, and the discharging gun head is in threaded fit with the storage cavity; the outer circumferential surface of the storage shell is provided with an installation groove, a heating plate made of ceramic is arranged in the installation groove, and the heating plate is electrically connected with the outside through a wire harness; still be equipped with on the storage casing and be used for with the internal thread hole of loading pitch, the internal thread hole with the intercommunication is connected to the storage cavity, and is located the upper end of storage casing.
As a preferred technical scheme of the invention: still be equipped with on the grudging post and be used for the heat retaining heat-preserving container of pitch, the heat-preserving container through the bellows that is equipped with internal thread hole threaded connection.
As a preferred technical scheme of the invention: the vertical frame is also provided with wheels used for moving the vertical frame and a traction plate used for traction of the vertical frame to move.
As a preferred technical scheme of the invention: the upper end face of the vertical frame is also provided with an acousto-optic alarm lamp for reminding passing vehicles of paying attention to safety, and the acousto-optic alarm lamp adopts a double-color silent lamp with the type of CNTOPTE.
As a preferred technical scheme of the invention: the one end of guide bar through the external screw thread post that is equipped with grudging post screw-thread fit, just the other end of guide bar is through the limiting plate restriction that is equipped with the flattener is upwards perhaps removed downwards.
As a preferred technical scheme of the invention: the inside of clamp plate is equipped with the cavity, just the cavity is used for the fixed second spring that is equipped with, the other end and the flattening board fixed connection who is equipped with of second spring.
As a preferred technical scheme of the invention: the air pump is an inflator pump of Michelin.
As a preferred technical scheme of the invention: the cross section of the guide rod is in a regular hexagon shape and is in adaptive insertion connection with the inner hexagonal hole formed in the transverse plate.
As a preferred technical scheme of the invention: an air pipe is further arranged at the air outlet of the air pump and extends to the bottom of the discharging device.
As a preferred technical scheme of the invention: the trachea adopts brass to make, the trachea is kept away from the one end distance of air pump the distance of discharger bottom is 5 centimetres.
By adopting the technical scheme, the invention has the beneficial effects that: the utility model discloses a ground seam is filled to ground seam, the utility model discloses a ground seam is filled to the tripper, the tripper is equipped with the ejector sleeve, the tripper tip is equipped with the ejector sleeve.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is an exploded view of the platen of the present invention;
FIG. 3 is a schematic view of the construction of the discharge device of the present invention;
FIG. 4 is a schematic view of the air pump and air tube of the present invention;
fig. 5 is a schematic top view of the discharge device of the present invention.
In the figure: 1. erecting a frame; 2. a flattening device; 20. a support plate; 21. an inner hexagonal hole; 22. pressing a plate; 23. a circular arc surface; 24. a cavity; 25. a second spring; 26. a screed plate; 27. a transverse plate; 3. a heat-preserving barrel; 4. a guide bar; 5. an acousto-optic alarm lamp; 6. a first spring; 7. a bellows; 8. a discharging device; 80. a discharging gun head; 81. heating plates; 82. an internally threaded bore; 83. a material storage cavity; 84. a wire harness; 85. mounting grooves; 86. a material storage shell; 87. a chute; 88. a second guide plate; 9. an air tube; 91. an air pump; 10. a first guide plate; 11. a traction plate; 12. a limiting plate; 13. and (4) wheels.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "upper surface", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, an embodiment of the present invention is shown: a municipal road asphalt paving device comprises a vertical frame 1 bridged on two sides of a ground seam, a guide rod 4 is arranged on the vertical frame 1, a flattening device 2 is in sliding fit with one side of the guide rod 4, a discharging device 8 is in sliding fit with the other side of the guide rod 4, the flattening device 2 can slide on the guide rod 4, so that the flattening device 2 can slide upwards when encountering resistance, and the discharging device 8 can be in sliding fit with the guide rod 4, so that the discharging device 8 can walk along the non-linear ground seam;
the flattening device 2 comprises a supporting plate 20, one end of the supporting plate 20 is integrally connected with a transverse plate 27, a pressing plate 22 is arranged at the other end of the supporting plate 20, an arc surface 23 is arranged on the pressing plate 22, and the arc surface 23 is positioned on one side of the vertical frame 1 in the advancing direction; the transverse plate 27 and the pressing plate 22 at the two ends of the supporting plate 20 are convenient to connect, so that the flattening function of the flattening device 2 can be realized by the supporting plate 20;
the upper end of the discharger 8 is provided with an air pump 91 for pumping air into the discharger 8, one end of the air pump 91 is in threaded fit with the discharger 8, the other end of the air pump 91 is fixedly connected with a first spring 6, and the other end of the first spring 6 is fixedly connected with the vertical frame 1;
the discharger 8 is provided with a first guide plate 10 and a second guide plate 88, the first guide plate 10 is in sliding fit with the guide rod 4, strip-shaped sliding grooves 87 are formed in the first guide plate 10 and the second guide plate 88, and the extending direction of the sliding grooves 87 is consistent with the extending direction of the first guide plate 10; because two guide plates are arranged, when one of the guide plates is damaged, the other guide plate can be directly replaced, so that the use efficiency of the device is improved, meanwhile, the arranged chute 87 can enable the discharging device 8 to transversely slide on the guide rod 4, and the discharging device 8 can walk along a non-linear seam by matching with the arranged first spring 6;
the discharger 8 comprises a storage shell 86 for storing asphalt and a discharge gun head 80 for discharging the asphalt, a storage cavity 83 is arranged in the storage shell 86, the discharge gun head 80 is in threaded fit with the storage cavity 83, due to the fact that the discharger 8 is arranged in a split mode, the proper discharge gun head 80 can be selected according to the size of a seam when the discharger 8 is used, and meanwhile the discharger 8 arranged in the split mode is convenient for deep cleaning of the inside of the discharger 8;
an installation groove 85 is formed in the outer circumferential surface of the material storage shell 86, a heating plate 81 made of ceramic is arranged inside the installation groove 85, and the heating plate 81 is electrically connected with the outside through a wiring harness 84; because the heating temperature of the heating plate 81 made of ceramic is high, asphalt in the storage cavity 83 is further melted when the heating plate 81 is arranged, and the asphalt is convenient to discharge;
still be equipped with on the storage casing 86 be used for with fill pitch's internal thread hole 82, internal thread hole 82 with storage cavity 83 connects the intercommunication, and is located storage casing 86's upper end, internal thread hole 82 can be connected with external pitch source, realizes the introduction of pitch.
The vertical frame 1 is further provided with a heat-insulating barrel 3 for insulating asphalt, the heat-insulating barrel 3 is in threaded connection with the internal thread hole 82 through the corrugated pipe 7, the heat-insulating barrel 3 is arranged to ensure that the asphalt in the heat-insulating barrel 3 is in a melting state, certain asphalt can be prepared, and the asphalt can be preheated in advance, so that the gap filling efficiency of the device is improved.
In order to facilitate the movement of the device, the vertical frame 1 is further provided with wheels 13 for moving the vertical frame 1 and a traction plate 11 for drawing the vertical frame 1 to move, the wheels 13 are arranged so that the vertical frame 1 can be pushed by hands to complete the filling of the ground seams in a small range, and the traction plate 11 is arranged to drive the vertical frame 1 to move so as to complete the filling of the ground seams in a large range.
In order to improve the safety of the device when in use and prompt passing vehicles to pay attention to safety, the upper end face of the stand 1 is further provided with an acousto-optic alarm lamp 5 for prompting passing vehicles to pay attention to safety, the acousto-optic alarm lamp 5 is a double-color silent lamp with the CNTOPTE model, the brightness is high, and the hearing of workers cannot be influenced in a silent mode.
Wherein, the one end of guide bar 4 through the external screw thread post that is equipped with 1 screw-thread fit of grudging post, just the limiting plate 12 restriction of the other end of guide bar 4 through being equipped with flatten ware 2 upwards or move down, because guide bar 4 and 1 screw-thread fit of grudging post for guide bar 4 installation and replacement are convenient, and limiting plate 12's setting can avoid flatten ware 2 landing from guide bar 4 simultaneously.
In order to further improve the flattening effect of the device, a cavity 24 is formed inside the pressing plate 22, and the cavity 24 is used for fixing a second spring 25, and the other end of the second spring 25 is fixedly connected with a flattening plate 26.
In order to increase the internal pressure of the discharging device 8 enough and discharge the asphalt quickly, the air pump 91 is an air pump of Michelin.
The cross section of the guide rod 4 is a regular hexagon and is matched and connected with the hexagon socket 21 arranged on the transverse plate 27, and the guide rod 4 is arranged to be matched with the hexagon socket 21 to enable the flattening device 2 to move only upwards or downwards, so that the flattening device 2 is prevented from displacement, and meanwhile, the width of the flattening device 2 is larger than that of the discharging device 8.
In order to further improve the discharge efficiency of the asphalt and ensure that the asphalt is fully filled in the ground gap, an air pipe 9 is further arranged at the air outlet of the air pump 91, and the air pipe 9 extends to the bottom of the discharger 8.
Furthermore, the air pipe 9 is made of brass, one end of the air pipe 9, which is far away from the air pump 91, is 5 cm away from the bottom of the discharging device 8, the pressure close to the bottom is enough, and meanwhile, the air pipe is made of brass, so that the air pipe is firm and durable.
The working principle of the invention is as follows: firstly, adding asphalt into the heat-insulating barrel 3, then installing the air pump 91 on the belt discharger 8, and ensuring that the air pipe 9 is connected with the air pump 91; and then the discharging device 8 is aligned with the slot moving stand 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (10)
1. The utility model provides a town road asphalt paving device which characterized in that: the device comprises a vertical frame (1) bridged at two sides of a ground seam, wherein a guide rod (4) is arranged on the vertical frame (1), a flattening device (2) is in sliding fit with one side of the guide rod (4), and a discharging device (8) is in sliding fit with the other side of the guide rod (4);
the flattening device (2) comprises a supporting plate (20), one end of the supporting plate (20) is integrally connected with a transverse plate (27), a pressing plate (22) is arranged at the other end of the supporting plate (20), an arc surface (23) is arranged on the pressing plate (22), and the arc surface (23) is positioned on one side of the advancing direction of the vertical frame (1);
an air pump (91) for pumping air into the discharging device (8) is arranged at the upper end of the discharging device (8), one end of the air pump (91) is in threaded fit with the discharging device (8), the other end of the air pump (91) is fixedly connected with a first spring (6), and the other end of the first spring (6) is fixedly connected with the vertical frame (1);
the discharger (8) is provided with a first guide plate (10) and a second guide plate (88), the first guide plate (10) is in sliding fit with the guide rod (4), strip-shaped sliding chutes (87) are formed in the first guide plate (10) and the second guide plate (88), and the extending direction of the sliding chutes (87) is consistent with the extending direction of the first guide plate (10);
the discharging device (8) comprises a storage shell (86) for storing asphalt and a discharging gun head (80) for discharging the asphalt, a storage cavity (83) is formed in the storage shell (86), and the discharging gun head (80) is in threaded fit with the storage cavity (83);
the outer circumferential surface of the storage shell (86) is provided with a mounting groove (85), a heating plate (81) made of ceramic is arranged in the mounting groove (85), and the heating plate (81) is electrically connected with the outside through a wiring harness (84);
still be equipped with on storage casing (86) be used for with fill pitch internal thread hole (82), internal thread hole (82) with storage chamber (83) are connected the intercommunication, and are located the upper end of storage casing (86).
2. The municipal road asphalt laying apparatus according to claim 1, wherein: still be equipped with on grudging post (1) and be used for pitch heat retaining heat-preserving container (3), heat-preserving container (3) through bellows (7) that are equipped with internal thread hole (82) threaded connection.
3. A municipal road asphalt laying apparatus according to claim 1 or 2, wherein: the vertical frame (1) is also provided with wheels (13) used for moving the vertical frame (1) and a traction plate (11) used for drawing the vertical frame (1) to move.
4. The municipal road asphalt laying apparatus according to claim 3, wherein: the upper end face of the vertical frame (1) is also provided with an acousto-optic warning lamp (5) for reminding passing vehicles of paying attention to safety, and the type adopted by the acousto-optic warning lamp (5) is a CNTOPTE double-color silent lamp.
5. The municipal road asphalt laying apparatus according to claim 4, wherein: the one end of guide bar (4) through the external screw thread post that is equipped with grudging post (1) screw-thread fit, just the other end of guide bar (4) is through limiting plate (12) restriction that is equipped with flatten ware (2) upwards or move down.
6. The municipal road asphalt laying apparatus according to claim 1, wherein: the inside of clamp plate (22) is equipped with cavity (24), just cavity (24) are used for fixed second spring (25) that are equipped with, the other end and the flattening board (26) fixed connection that are equipped with of second spring (25).
7. A municipal road asphalt laying apparatus according to claim 1 or 6, wherein: the air pump (91) is an inflator pump of Michelin.
8. The municipal road asphalt laying apparatus according to claim 7, wherein: the cross section of the guide rod (4) is a regular hexagon and is in adaptive insertion connection with the hexagon socket (21) arranged on the transverse plate (27).
9. The municipal road asphalt laying apparatus according to claim 8, wherein: an air pipe (9) is further arranged at an air outlet of the air pump (91), and the air pipe (9) extends towards the bottom of the discharging device (8).
10. The municipal road asphalt laying apparatus according to claim 9, wherein: the air pipe (9) is made of brass, and the distance from one end of the air pipe (9) far away from the air pump (91) to the bottom of the discharging device (8) is 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080168.3A CN111236031A (en) | 2020-02-04 | 2020-02-04 | Town road pitch laying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080168.3A CN111236031A (en) | 2020-02-04 | 2020-02-04 | Town road pitch laying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111236031A true CN111236031A (en) | 2020-06-05 |
Family
ID=70868118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080168.3A Pending CN111236031A (en) | 2020-02-04 | 2020-02-04 | Town road pitch laying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111236031A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU579369A1 (en) * | 1976-06-14 | 1977-11-05 | Avdonkin Aleksej F | Bitument heating and dewatering plant |
| CN2527587Y (en) * | 2002-01-24 | 2002-12-25 | 鞍山森远高等级公路养护机械制造有限公司 | Fissure cementation machine |
| DE102005033199A1 (en) * | 2005-07-13 | 2007-01-25 | Richard Rupprecht | Mobile equipment for repairing road asphalt and joints, or for removing contaminants, includes road heater and manually-operated rake with jointing plow |
| CN106592940A (en) * | 2015-10-16 | 2017-04-26 | 天津市东鼎科技股份有限公司 | Wall surface base layer repairing device before spray coating of advanced polymer decoration paint |
| CN207260529U (en) * | 2017-09-17 | 2018-04-20 | 林洪波 | Joint filling equipment is repaired in a kind of architectural engineering |
| CN109235200A (en) * | 2018-10-19 | 2019-01-18 | 广东华起建设工程有限公司 | A kind of venturi effect heated bitumen nozzle assembly and synchronous spread heated bitumen paver |
| CN109371791A (en) * | 2018-11-06 | 2019-02-22 | 新乡市通达公路新科技有限公司 | Asphalt tank and cementation of fissures method suitable for the maintaining road pitch cementation of fissures |
| CN209162607U (en) * | 2018-11-30 | 2019-07-26 | 赵培 | A kind of pitch-rood |
| CN110318322A (en) * | 2019-07-23 | 2019-10-11 | 王秀兰 | A kind of town road asphalt paving device |
| CN110469094A (en) * | 2019-08-05 | 2019-11-19 | 周伟 | A kind of floor ceramic tile U.S. seam device |
-
2020
- 2020-02-04 CN CN202010080168.3A patent/CN111236031A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU579369A1 (en) * | 1976-06-14 | 1977-11-05 | Avdonkin Aleksej F | Bitument heating and dewatering plant |
| CN2527587Y (en) * | 2002-01-24 | 2002-12-25 | 鞍山森远高等级公路养护机械制造有限公司 | Fissure cementation machine |
| DE102005033199A1 (en) * | 2005-07-13 | 2007-01-25 | Richard Rupprecht | Mobile equipment for repairing road asphalt and joints, or for removing contaminants, includes road heater and manually-operated rake with jointing plow |
| CN106592940A (en) * | 2015-10-16 | 2017-04-26 | 天津市东鼎科技股份有限公司 | Wall surface base layer repairing device before spray coating of advanced polymer decoration paint |
| CN207260529U (en) * | 2017-09-17 | 2018-04-20 | 林洪波 | Joint filling equipment is repaired in a kind of architectural engineering |
| CN109235200A (en) * | 2018-10-19 | 2019-01-18 | 广东华起建设工程有限公司 | A kind of venturi effect heated bitumen nozzle assembly and synchronous spread heated bitumen paver |
| CN109371791A (en) * | 2018-11-06 | 2019-02-22 | 新乡市通达公路新科技有限公司 | Asphalt tank and cementation of fissures method suitable for the maintaining road pitch cementation of fissures |
| CN209162607U (en) * | 2018-11-30 | 2019-07-26 | 赵培 | A kind of pitch-rood |
| CN110318322A (en) * | 2019-07-23 | 2019-10-11 | 王秀兰 | A kind of town road asphalt paving device |
| CN110469094A (en) * | 2019-08-05 | 2019-11-19 | 周伟 | A kind of floor ceramic tile U.S. seam device |
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Application publication date: 20200605 |
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