CN115217020B - Asphalt concrete pavement crack patching device - Google Patents
Asphalt concrete pavement crack patching device Download PDFInfo
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- CN115217020B CN115217020B CN202210847770.4A CN202210847770A CN115217020B CN 115217020 B CN115217020 B CN 115217020B CN 202210847770 A CN202210847770 A CN 202210847770A CN 115217020 B CN115217020 B CN 115217020B
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- rotating shaft
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- rod
- storage tank
- feed pipe
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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
- E01C23/0966—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention relates to the technical field of highway maintenance management, and discloses an asphalt concrete pavement crack repairing device which comprises a vehicle body, a storage tank, a feed pipe, two spraying pipes, two spray gun heads and a switching mechanism, wherein the storage tank is arranged on the vehicle body and used for storing asphalt concrete, the two spraying pipes are respectively arranged on the two spraying pipes, and the input end of the feed pipe is connected with the output end of the storage tank. The switching mechanism comprises a base station, a tangential component and a jacking component, wherein the base station is arranged on the vehicle body, and the tangential component is used for switching the output end of the feed pipe between the output ends of the two spray pipes. The jacking component is used for jacking the feeding pipe output end and the spraying pipe input end. Two kinds of spray pipes with different specifications of spray gun heads can be installed on the car body, the tangential component in the switching mechanism can realize the quick switching between the feed pipe and the two spray pipes, the jacking component can fix the jacking between the feed pipe and the spray pipes, time and labor are saved, convenience and quickness are realized, the operation efficiency is improved, and the influence on the construction process is avoided.
Description
Technical Field
The invention relates to the technical field of highway maintenance management, in particular to an asphalt concrete pavement crack repairing device.
Background
Conventionally, damage to a single crack or other pavement of an asphalt concrete pavement is treated by firstly adopting machinery or manpower to excavate diseases, then filling asphalt stir-fried mixture with the thickness of about 4 cm, and then compacting by using machinery.
The crack filling machine is mainly composed of a carrier plate, a storage tank, a feed pipe and a spray gun head, the storage tank is moved to a ground joint to be repaired through the carrier plate, the spray gun head is aligned to the crack, and asphalt concrete in the storage tank is pumped to the spray gun head by the feed pipe to fill the crack.
In the related art, when facing cracks with different crack widths, the gun head with the specification adapted should be selected for repairing operation so as to meet the quality requirement of joint filling. When in site construction, when the filling operation is needed to be carried out on the cracks with different widths and longer lengths, if the spray gun head is frequently replaced, the time and the labor are consumed, the operation is inconvenient, the operation efficiency is low, and the construction process is influenced.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an asphalt concrete pavement crack repairing device.
The invention is realized by adopting the following technical scheme: the asphalt concrete pavement crack repairing device comprises a vehicle body, a storage tank, a feed pipe, two spraying pipes, two spray gun heads and a switching mechanism, wherein the storage tank is arranged on the vehicle body and used for storing asphalt concrete;
the switching mechanism comprises a base station, a tangential component and a jacking component, wherein the base station is arranged on the vehicle body, and the tangential component is used for switching the output end of the feed pipe between the input ends of the two spray pipes; the jacking component is used for jacking the output end of the feed pipe and the input end of the spray pipe.
As a further improvement of the scheme, the tangential component comprises a first rotating shaft vertically inserted on the base, and a swinging rod perpendicular to the axis of the first rotating shaft is arranged at the top of the first rotating shaft; the swing rod is positioned at one side of the first rotating shaft far away from the storage tank; a first limiting groove coaxial with the swing rod is formed in one end of the swing rod, a first limiting block is slidably arranged in the first limiting groove, and a synchronous rod parallel to the first rotating shaft is fixedly inserted into the first limiting block; the top of the synchronizing rod is connected with the feed pipe and is synchronous with the movement of the feed pipe; a semicircular second limiting groove is formed in the top of the base, a second limiting block is arranged in the second limiting groove in a sliding mode, and the top of the second limiting block is connected with the bottom of the synchronous rod;
when the first rotating shaft is guided to rotate, the first rotating shaft indirectly drives the feeding pipe to synchronously deflect through the swinging rod, so that the feeding pipe is turned to the spraying pipe to be abutted.
As a further improvement of the scheme, the middle part of the second limiting groove is bent towards the direction of the storage tank.
As a further improvement of the scheme, a first pipe arrangement plate is arranged at the top of the synchronizing rod, a clamping hole is formed in the first pipe arrangement plate, and the feeding pipe is inserted and fixed in the clamping hole; the top of the synchronizing rod is fixedly connected with the plate body of the first pipe plate.
As a further improvement of the scheme, the tangential component further comprises a second rotating shaft which is rotatably inserted on the base and is perpendicular to the first rotating shaft, one end of the second rotating shaft extends into the base and is connected with a vertical disc body, a first shifting block is arranged at the eccentric position of the disc body, which is close to one side disc surface of the storage tank, of the disc body, and the bottom of the first rotating shaft extends into the base and is connected with a second shifting block which is parallel to the swing rod; when the disk body rotates, the first shifting block shifts the second shifting block to force the first rotating shaft to deflect.
As a further improvement of the scheme, the other end of the second rotating shaft is provided with a rocking handle.
As a further improvement of the scheme, the jacking assembly comprises a telescopic rod and a first spring, the first telescopic rod is arranged in the limiting groove, two ends of the first telescopic rod are respectively connected to one side of the first limiting block, close to the storage tank, of the corresponding groove wall of the first limiting groove, and the first spring is sleeved outside the telescopic rod.
As a further improvement of the above scheme, the asphalt concrete pavement crack repairing device further comprises an auxiliary positioning assembly, wherein the auxiliary positioning assembly comprises an adapter, and the adapter is arranged at the output end of the feed pipe and is provided with a runner communicated with the feed pipe; and a connecting groove which is in fit connection with the adapter is formed in the port of the input end of the spraying pipe.
As a further improvement of the scheme, a groove is circumferentially formed on the outer side of the adapter in a surrounding manner, and an elastic ring body is sleeved on the adapter; the inner annular surface of the annular body completely seals the notch of the groove to form a flow passage space, a plug groove communicated with the groove is axially formed in the adapter, a piston is arranged in the plug groove, and hydraulic oil is contained between the plug groove and the flow passage space; a push rod in contact extrusion fit with the piston is axially arranged on the groove wall of the connecting groove;
when the connector enters the connecting groove, the ejector rod enters the plug groove to extrude the piston, so that the ring body expands and deforms to seal the notch of the connecting groove.
As a further improvement of the scheme, the groove wall of the connecting groove is circumferentially provided with a ring groove which is in clamping fit with the ring body after expansion deformation.
The beneficial effects of the invention are as follows:
according to the asphalt concrete pavement crack repairing device, two spray pipes with spray gun heads of different specifications can be arranged on the vehicle body, the quick switching between the feed pipe and the two spray pipes is realized through the tangential component in the switching mechanism, and the jacking component can jack and fix the feed pipe and the spray pipes, so that the time and the labor are saved, the convenience and the rapidness are realized, the operation efficiency is improved, and the influence on the construction process is avoided.
According to the asphalt concrete pavement crack repairing device, the auxiliary positioning component can help to seal and fix the material supply pipe and the material spraying pipe after being in butt joint, so that the air tightness is improved.
Drawings
FIG. 1 is a schematic diagram of a crack repairing device for asphalt concrete pavement according to embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of the crack repairing apparatus for asphalt concrete pavement of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is an enlarged schematic view of FIG. 3 at C;
FIG. 5 is a schematic top view of the base of FIG. 2;
FIG. 6 is a schematic view of the crack repairing device for asphalt concrete pavement of FIG. 1 in another state;
FIG. 7 is a schematic cross-sectional view of the crack repairing device for asphalt concrete pavement of FIG. 6;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B;
FIG. 9 is a schematic top view of the base of FIG. 6;
fig. 10 is a schematic structural view of a second limiting groove on the base in fig. 9.
Main symbol description:
1. a vehicle body; 2. a storage tank; 3. a feed pipe; 4. a spraying pipe; 5. a base station; 6. a first limit groove; 7. a first limiting block; 8. a synchronizing lever; 9. a first tube placement plate; 10. the second limit groove; 11. a tray body; 12. a first dial block; 13. a first rotating shaft; 14. a second dial block; 15. swing rod; 16. a second rotating shaft; 17. a rocking handle; 18. an adaptor; 19. a connection groove; 20. a ring body; 21. a ring groove; 22. a groove; 23. a plug groove; 24. a piston; 25. and (5) a push rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Please combine fig. 1 to 10, asphalt concrete pavement crack repairing device, including automobile body 1 and set up on automobile body 1 store asphalt concrete's storage tank 2, feed pipe 3, two spouts material pipe 4, install two spray gun heads and the switching mechanism on two spouts material pipe 4 respectively, feed pipe 3 input connection storage tank 2 output. The device can be moved to a desired construction position conveniently by the vehicle body 1. The storage tank 2 is provided with a pump body which can be used for conveying asphalt concrete in the storage tank 2 to the feed pipe 3. In this embodiment, the spray gun heads on the two spray pipes 4 are set to different specifications to adapt to the requirements of filling operations with different gap sizes on the road surface.
The switching mechanism comprises a base 5, a tangential component and a jacking component, wherein the base 5 is arranged on the vehicle body 1, the base 5 can synchronously move along with the vehicle body 1, and a hollow cavity (not labeled) is formed in the base 5. The tangential component is used for switching the output end of the feed pipe 3 between the input ends of the two spray pipes 4, and is convenient and quick. The jacking component is used for jacking the output end of the feed pipe 3 and the input end of the spraying pipe 4, and is safe and reliable.
The tangential component comprises a first rotating shaft 13 vertically inserted on the base 5, and a swinging rod 15 perpendicular to the axis of the first rotating shaft 13 is arranged at the top of the first rotating shaft. The swing link 15 is located at one side of the first rotating shaft 13 far away from the storage tank 2. The swing rod 15 swings with the rotation of the first rotating shaft 13. One end of the swing rod 15 is provided with a first limiting groove 6 coaxial with the swing rod, a first limiting block 7 is slidably arranged in the first limiting groove 6, and a synchronizing rod 8 parallel to the first rotating shaft 13 is fixedly inserted into the first limiting block 7. The top of the synchronizing rod 8 is connected with the feed pipe 3 and is synchronous with the movement of the feed pipe 3. A semicircular second limiting groove 10 is formed in the top of the base 5, a second limiting block (not labeled) is arranged in the second limiting groove 10 in a sliding mode, and the top of the second limiting block is connected with the bottom of the synchronous rod 8.
In this embodiment, when the first rotating shaft 13 is guided to rotate, the first rotating shaft 13 drives the first limiting groove 6, the first limiting block 7 and the synchronizing rod 8 through the swing rod 15, indirectly drives the feeding pipe 3 to deflect synchronously, and meanwhile, the synchronizing rod 8 gradually moves towards the middle part of the second limiting groove 10 from one end of the second limiting groove 10 under the limiting action of the second limiting block and the second limiting groove 10, during which the synchronizing rod 8 drives the first limiting block 7 and the feeding pipe 3 to move synchronously towards the direction of the storage tank 2, so that the output end of the feeding pipe 3 is separated from the input end of the spraying pipe 4 which is originally in butt joint with the feeding pipe. Along with the deflection of the feed pipe 3, and the synchronizing rod 8 gradually moves towards the other end of the second limiting groove 10 in the middle of the second limiting groove 10, the synchronizing rod 8 drives the first limiting block 7 and the feed pipe 3 to synchronously move towards the direction away from the storage tank 2, so that the output end of the feed pipe 3 is connected into the input end of the other spray pipe 4, and the feed pipe 3 is switched between the two spray pipes 4, so that convenience and quickness are realized.
The middle part of the second limiting groove 10 is bent towards the direction of the storage tank 2, so that the synchronous rod 8 can drive the first limiting block 7 to move towards the storage tank 2 or away from the storage tank 2 when deflecting.
The top of the synchronizing rod 8 is provided with a first pipe placing plate 9, a clamping hole (not shown) is formed in the first pipe placing plate 9, and the feeding pipe 3 is fixedly inserted into the clamping hole. The top of the synchronizing rod 8 is fixedly connected with the plate body of the first pipe plate 9, so that the first pipe plate 9 carries the feed pipe 3 to move synchronously with the synchronizing rod 8.
Besides, a second tube plate (not labeled) is fixed on the base 5, the second tube plate is parallel to the first tube plate 9, the two spraying tubes 4 are fixed on the first tube plate 9 in a splayed penetrating manner, and the distance between the input ends of the two spraying tubes 4 is smaller than the distance between the output ends of the two spraying tubes 4.
The tangential component further comprises a second rotating shaft 16 which is inserted on the base 5 in a rotating way and is perpendicular to the first rotating shaft 13, one end of the second rotating shaft 16 extends into the base 5 and is connected with a vertical disc body 11, a first shifting block 12 is arranged at the eccentric position of the disc body 11, which is close to one side disc surface of the storage tank 2, and the bottom of the first rotating shaft 13 extends into the base 5 and is connected with a second shifting block 14 which is parallel to the swinging rod 15. In this embodiment, the disc 11, the first shifting block 12 and the second shifting block 14 are all located in the hollow cavity of the base 5.
In this embodiment, when the disc 11 is driven to rotate by the second rotating shaft 16, the first shifting block 12 follows the disc 11 to rotate, and when the first shifting block 12 rotates to the second shifting block 14, the second shifting block 14 is shifted to force the first rotating shaft 13 to deflect at a certain angle.
Because the first shifting block 12 in this embodiment is provided with one, the second shifting block 14 can be shifted to drive the first rotating shaft 13 to forward or reverse deflect by controlling the forward or reverse rotation of the disc 11, so as to indirectly realize the switching of the feeding pipe 3 between the two spraying pipes 4.
The rocking handle 17 is arranged at the other end of the second rotating shaft 16, so that the constructor can conveniently operate and rotate the second rotating shaft 16.
The jacking component comprises a telescopic rod (not marked) and a first spring (not marked), the first telescopic rod is arranged in the first limiting groove 6, two ends of the first telescopic rod are respectively connected to one side of the first limiting block 7, close to the storage tank 2, and the corresponding groove wall of the first limiting groove 6, and the first spring is sleeved outside the telescopic rod.
In this embodiment, when the synchronizing rod 8 drives the first limiting block 7 to move towards the direction of the storage tank 2 in the first limiting groove 6, the first limiting block 7 can squeeze the telescopic rod and the first spring, and when the synchronizing rod 8 drives the first limiting block 7 to move away from the direction of the storage tank 2 in the first limiting groove 6, the first spring elasticity is released and pushes the synchronizing rod 8, so that the output end of the feed pipe 3 on the first pipe placing plate 9 is pushed into the port of the output end of the spray pipe 4, and the butt joint between the feed pipe 3 and the spray pipe 4 is realized.
The asphalt pavement crack repairing device further comprises an auxiliary positioning assembly, wherein the auxiliary positioning assembly comprises an adapter 18, and the adapter 18 is arranged at the output end of the feed pipe 3 and is provided with a runner communicated with the feed pipe 3. The port of the input end of the spraying pipe 4 is provided with an engagement groove 19 which is matched and inserted with the adapter 18.
The adaptor 18 in this embodiment is generally in the form of a truncated cone with a narrow front and a wide rear, with the narrower portion being located on the side remote from the feed tube 3. The groove body structure of the engagement groove 19 is matched with the adapter 18, so that the adapter 18 can be conveniently aligned with the inserted butt joint.
The outer side of the adaptor 18 is circumferentially provided with a groove 22, and the adaptor 18 is sleeved with an elastic ring body 20. The ring body 20 can be made of elastic and high-temperature resistant rubber material, and can be elastically deformed after being pressed. The inner annular surface of the ring body 20 completely seals the notch of the groove 22 to form a flow passage space (not shown), a plug groove 23 communicated with the groove 22 is axially formed in the adapter 18, a piston 24 is arranged in the plug groove 23, and hydraulic oil is contained between the plug groove 23 and the flow passage space. The groove wall of the engagement groove 19 is axially provided with a push rod 25 in contact and extrusion fit with the piston 24.
In this embodiment, when the adaptor 18 enters the engagement groove 19, the ejector rod 25 on the engagement groove 19 gradually enters the plug groove 23 and presses the piston 24, so that the piston 24 presses the hydraulic oil in the plug groove 23 into the flow passage space, the hydraulic oil in the flow passage space is forced to increase, the oil pressure is increased, and the ring body 20 is forced to expand and deform, so as to seal the notch of the engagement groove 19 and improve the air tightness of the feed pipe 3 after being connected with the injection pipe 4.
The ring groove 21 which is in clamping fit with the ring body 20 after expansion deformation is circumferentially arranged on the groove wall of the connecting groove 19, and the contact area between the ring body 20 after expansion and the groove wall of the connecting groove 19 can be increased through mutual extrusion between the ring body 20 and the ring groove 21, so that the sealing after butt joint is more stable.
A second spring (not shown) is arranged between the groove wall inside the groove opening of the plug groove 23 and the corresponding side wall of the piston 24, the ejector rod 25 firstly passes through the second spring after being inserted into the plug groove 23 and then contacts and presses the piston 24, and the second spring is driven to stretch and deform in the process of pressing and exciting the piston 24. When the carrier rod 25 is gradually disengaged from the plug groove 23, the second spring force is released, helping the piston 24 to return to the original position in the plug groove 23, so that the ring body 20 is contracted to the original state, and the adaptor 18 is disengaged from the engagement groove 19.
Example 2
The difference between the present embodiment and embodiment 1 is that the spray gun heads on the two spray pipes 4 can be set to a uniform specification, i.e. the other spray pipe 4 and its spray gun head are used as spare, and when the used spray pipe 4 and spray gun head are accidentally damaged or need to be replaced, the spray gun head can be directly switched to the other spray pipe 4 and its spray gun head to continue the crack filling effect, so as to avoid influencing the construction process.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The asphalt concrete pavement crack repairing device is characterized by comprising a vehicle body, a storage tank, a feed pipe, two spraying pipes, two spray gun heads and a switching mechanism, wherein the storage tank is arranged on the vehicle body and used for storing asphalt concrete;
the switching mechanism comprises a base station, a tangential component and a jacking component, wherein the base station is arranged on the vehicle body, and the tangential component is used for switching the output end of the feed pipe between the input ends of the two spray pipes; the jacking component is used for jacking the output end of the feed pipe and the input end of the spray pipe;
the tangential component comprises a first rotating shaft vertically inserted on the base, and a swinging rod perpendicular to the axis of the first rotating shaft is arranged at the top of the first rotating shaft; the swing rod is positioned at one side of the first rotating shaft far away from the storage tank; a first limiting groove coaxial with the swing rod is formed in one end of the swing rod, a first limiting block is slidably arranged in the first limiting groove, and a synchronous rod parallel to the first rotating shaft is fixedly inserted into the first limiting block; the top of the synchronizing rod is connected with the feed pipe and is synchronous with the movement of the feed pipe; a semicircular second limiting groove is formed in the top of the base, a second limiting block is arranged in the second limiting groove in a sliding mode, and the top of the second limiting block is connected with the bottom of the synchronous rod;
when the first rotating shaft is guided to rotate, the first rotating shaft indirectly drives the feeding pipe to synchronously deflect through the swinging rod, so that the feeding pipe is deflected to the spraying pipe to be abutted;
the bending direction of the middle part of the second limiting groove is bending towards the direction of the storage tank;
the top of the synchronizing rod is provided with a first pipe arranging plate, a clamping hole is formed in the first pipe arranging plate, and the feeding pipe is fixedly inserted into the clamping hole; the top of the synchronizing rod is fixedly connected with the plate body of the first pipe placing plate;
the tangential component further comprises a second rotating shaft which is inserted on the base station in a rotating way and is perpendicular to the first rotating shaft, one end of the second rotating shaft extends into the base station and is connected with a vertical disc body, a first shifting block is arranged at the eccentric position, close to the disc surface on one side of the storage tank, of the disc body, and the bottom of the first rotating shaft extends into the base station and is connected with a second shifting block parallel to the swing rod; when the disc body rotates, the first shifting block shifts the second shifting block to force the first rotating shaft to deflect;
the jacking assembly comprises a telescopic rod and a first spring, the telescopic rod is arranged in the first limiting groove, two ends of the telescopic rod are respectively connected to one side of the first limiting block, which is close to the storage tank, of the corresponding groove wall of the first limiting groove, and the first spring is sleeved on the outer side of the telescopic rod.
2. The asphalt pavement crack repairing apparatus according to claim 1, wherein a rocking handle is provided at the other end of the second rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847770.4A CN115217020B (en) | 2022-07-19 | 2022-07-19 | Asphalt concrete pavement crack patching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847770.4A CN115217020B (en) | 2022-07-19 | 2022-07-19 | Asphalt concrete pavement crack patching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115217020A CN115217020A (en) | 2022-10-21 |
| CN115217020B true CN115217020B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210847770.4A Active CN115217020B (en) | 2022-07-19 | 2022-07-19 | Asphalt concrete pavement crack patching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115217020B (en) |
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| US4781556A (en) * | 1985-07-05 | 1988-11-01 | Paul Jesse D | Grouting machine |
| EP0846806A1 (en) * | 1996-12-07 | 1998-06-10 | DENSO-Holding GmbH & Co. | Apparatus for applying pasty bituminous materials in stripform |
| CN212477373U (en) * | 2020-04-13 | 2021-02-05 | 深圳恒固纳米科技有限公司 | Road surface water paint spraying device with be convenient for change shower nozzle structure |
| CN212561074U (en) * | 2020-04-07 | 2021-02-19 | 王喜鹏 | Asphalt crack pouring device of highway maintenance vehicle |
| CN112657700A (en) * | 2020-12-10 | 2021-04-16 | 厦门古墨化工有限公司 | Paint spraying device |
| CN112774369A (en) * | 2021-01-14 | 2021-05-11 | 林培莉 | Method for improving building engineering project management |
| CN213389655U (en) * | 2020-09-10 | 2021-06-08 | 苏州三正路面工程有限公司 | Asphalt crack pouring machine for concrete pavement |
| CN214894912U (en) * | 2021-06-07 | 2021-11-26 | 重庆海发工程项目管理咨询有限公司 | Town road crack detection device |
| CN215465338U (en) * | 2021-06-07 | 2022-01-11 | 中铁十九局集团第五工程有限公司 | Waterproof coating spraying device for municipal bridge construction |
| CN215782359U (en) * | 2021-08-09 | 2022-02-11 | 马晓东 | Civil engineering is with on-spot dust collector |
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2022
- 2022-07-19 CN CN202210847770.4A patent/CN115217020B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781556A (en) * | 1985-07-05 | 1988-11-01 | Paul Jesse D | Grouting machine |
| EP0846806A1 (en) * | 1996-12-07 | 1998-06-10 | DENSO-Holding GmbH & Co. | Apparatus for applying pasty bituminous materials in stripform |
| CN212561074U (en) * | 2020-04-07 | 2021-02-19 | 王喜鹏 | Asphalt crack pouring device of highway maintenance vehicle |
| CN212477373U (en) * | 2020-04-13 | 2021-02-05 | 深圳恒固纳米科技有限公司 | Road surface water paint spraying device with be convenient for change shower nozzle structure |
| CN213389655U (en) * | 2020-09-10 | 2021-06-08 | 苏州三正路面工程有限公司 | Asphalt crack pouring machine for concrete pavement |
| CN112657700A (en) * | 2020-12-10 | 2021-04-16 | 厦门古墨化工有限公司 | Paint spraying device |
| CN112774369A (en) * | 2021-01-14 | 2021-05-11 | 林培莉 | Method for improving building engineering project management |
| CN214894912U (en) * | 2021-06-07 | 2021-11-26 | 重庆海发工程项目管理咨询有限公司 | Town road crack detection device |
| CN215465338U (en) * | 2021-06-07 | 2022-01-11 | 中铁十九局集团第五工程有限公司 | Waterproof coating spraying device for municipal bridge construction |
| CN215782359U (en) * | 2021-08-09 | 2022-02-11 | 马晓东 | Civil engineering is with on-spot dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115217020A (en) | 2022-10-21 |
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