Coating device for blocking gap between asphalt layer and guardrail
By designing the threaded connection and specific structure of the coating device, the problem of uneven sealing at the gap between the asphalt layer and the guardrail in existing equipment was solved, achieving a highly efficient and safe gap sealing effect.
Patent Information
- Application Number
- CN202520610506.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing mechanized coating equipment is ill-suited to the complex and varied gaps between the asphalt layer and the guardrail, especially in irregular gaps where it is difficult to achieve uniform and effective sealing.
A coating device was designed, including a coating gun, an extrusion tube, a connecting tube, and a coating nozzle. The material can be easily changed through the threaded connection between the injection port and the injection chamber. The injection chamber can be easily opened, closed, and sealed by a structure such as a U-shaped plate, a rotating rod, and a cover plate. The fluororubber extrusion tube and graduation lines ensure accurate coating application.
It improves the coating effect of sealing gaps, ensures no material leakage, adapts to different gap shapes, and improves work efficiency and the practicality of the device.
Smart Images
Figure CN223951585U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road construction equipment technical field especially relates to a kind of painting device for plugging gap between asphalt layer and guardrail. BACKGROUND
[0002] In road construction, gap between asphalt pavement and guardrail will inevitably exist, if these gaps are not properly plugged, not only will affect the overall aesthetic of road, more importantly, impurities such as rainwater, dust, etc. can easily enter the pavement base through these gaps, long-term accumulation may cause damage to the asphalt layer and guardrail foundation, reduce the service life of the road, increase maintenance costs.
[0003] At present, although some mechanized painting equipment can be used for gap plugging, most of these devices have complex structure, poor adaptability and other problems, which cannot well adapt to the complex and variable gap conditions between asphalt layer and guardrail, and it is difficult to achieve uniform and effective plugging at some irregular gaps.
[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: mechanized painting equipment is used for gap plugging, which cannot well adapt to the complex and variable gap conditions between asphalt layer and guardrail, and it is difficult to achieve uniform and effective plugging at some irregular gaps. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art that mechanized painting equipment is used for gap plugging, which cannot well adapt to the complex and variable gap conditions between asphalt layer and guardrail, and it is difficult to achieve uniform and effective plugging at some irregular gaps, and proposes a painting device for plugging gap between asphalt layer and guardrail.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of coating device for plugging gap between asphalt layer and guardrail, including coating gun, extrusion pipe is movably installed in the inside of coating gun, operating handle is installed in one side of coating gun, one end of extrusion pipe is threadedly connected with connecting pipe, coating nozzle is movably installed in connecting pipe, the arc surface of extrusion pipe is fixedly connected with injection port, injection port is threadedly installed with injection bin, the arc surface of injection bin is fixedly connected with U-shaped plate, rotating rod is rotatably connected with the inner surface of U-shaped plate, the arc surface of rotating rod is fixedly connected with cover plate, one side of cover plate is fixedly connected with clamping plate, clamping groove is formed in the surface of injection bin, fixed groove is formed in the surface of clamping plate, the arc surface of injection bin is fixedly connected with L-shaped plate, sliding rod is slidably inserted in L-shaped plate, the arc surface of sliding rod is slidably connected with clamping plate fixed groove, one end of sliding rod is fixedly connected with pull plate.
[0007] The effect achieved by the above components is that the injection port and the injection bin are threadedly connected, facilitating disassembly and replacement of the injection bin, enabling rapid replenishment of materials, improving work efficiency, the U-shaped plate, the rotating rod, the cover plate, the clamping plate and the clamping groove on the injection bin realize convenient opening and sealing of the injection bin, the fixed groove of the clamping plate cooperates with the sliding rod in the L-shaped plate and the pull plate to effectively prevent accidental opening of the cover plate, avoid leakage of materials in the injection bin, ensure the safety of the injection process, and the cooperation of the extrusion pipe, the connecting pipe and the coating nozzle enables the coating to be more accurately extruded to the gap between the asphalt layer and the guardrail for coating, improving the coating effect of plugging the gap.
[0008] Preferably, the arc surface of the sliding rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the pull plate and the L-shaped plate respectively.
[0009] The effect achieved by the above components is that under the action of the spring, the sliding rod is automatically popped into the clamping plate fixed groove, improving the practicality of the device.
[0010] Preferably, the arc surface of the sliding rod is provided with a limiting groove, the L-shaped plate is slidably inserted with a limiting rod, and the size of the limiting rod is matched with the size of the limiting groove of the sliding rod.
[0011] The effect achieved by the above components is that by setting the limiting rod, the stretched sliding rod is limited and fixed, improving the practicality of the device.
[0012] Preferably, the extrusion pipe is a fluorine rubber pipe, and the arc surface of the extrusion pipe is provided with a scale line.
[0013] The effect achieved by the above components is that the extrusion pipe is provided as a fluorine rubber pipe, and the scale line is marked on the extrusion pipe, so as to facilitate the observation of the material usage in the extrusion pipe by the construction personnel, and the practicability of the device is improved.
[0014] Preferably, one end of the limiting rod is fixedly connected with a soft rope, and one end of the soft rope is fixedly connected with the L-shaped plate.
[0015] The effect achieved by the above components is that the soft rope is arranged to prevent the loss of the limiting rod due to the change of the angle of the coating gun, and the practicability of the device is improved.
[0016] Preferably, one side of the cover plate is fixedly connected with a sealing gasket, and one side of the sealing gasket is attached to the material injection bin.
[0017] The effect achieved by the above components is that the sealing gasket is arranged to achieve the sealing effect when the cover plate is connected to the material injection bin, and the practicability of the device is improved.
[0018] Preferably, the inner cavity of the connecting pipe is provided with a clamping groove, one end of the coating nozzle is fixedly connected with a connecting barrel, one end of the connecting barrel is fixedly connected with a rubber sleeve, and the rubber sleeve is clamped with the inner wall of the clamping groove of the connecting pipe.
[0019] The effect achieved by the above components is that the coating nozzle is clamped and connected with the connecting pipe, so as to facilitate the replacement of the coating nozzle, thereby adapting to the coating of different gaps between the asphalt layer and the guardrail, and the practicability of the device is improved.
[0020] Preferably, the surface of the connecting pipe is fixedly connected with a plurality of protrusions, and the plurality of protrusions are uniformly arranged on the connecting pipe in a circumferential array.
[0021] The effect achieved by the above components is that the protrusions are arranged to facilitate the disassembly of the connecting pipe from the extrusion pipe, and the inside of the connecting pipe is cleaned, and the practicability of the device is improved.
[0022] Preferably, the arc surface of the rotating rod is sleeved with a torsion spring, and both ends of the torsion spring are fixedly connected with the U-shaped plate and the cover plate.
[0023] The effect achieved by the above components is that the cover plate is automatically opened and kept at a certain angle under the action of the torsion spring, and the practicability of the device is improved.
[0024] The utility model discloses, and injection port and injection bin adopt threaded connection, convenient to dismount and replace injection bin, can quick replenish material, improve work efficiency, the structure such as U-shaped board, rotating rod, cover plate, clamping plate, clamping groove on injection bin, realized the convenient opening and closing and sealing of injection bin, and the fixed groove of clamping plate cooperates the sliding rod in L-shaped board and pull plate, effectively prevented the cover plate accidental opening, avoided injection bin material leakage, ensured the safety of injection process, the cooperation of extruding pipe, connecting pipe and smearing mouth, make coating be extruded to pitch layer and guardrail between the gap place and smearing more accurately, improved the coating effect of plugging gap. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0026] Figure 2 It is the structure schematic diagram of injection bin in the utility model;
[0027] Figure 3 It is the local structure schematic diagram of injection bin in the utility model;
[0028] Figure 4 It is the A place enlarged view of the utility model in Figure 2 ;
[0029] Figure 5 It is the B place enlarged view of the utility model in Figure 3 ;
[0030] Figure 6 It is the structure schematic diagram of connecting pipe in the utility model.
[0031] Legend: 1, coating gun;2, extruding pipe;3, operating handle;4, connecting pipe;5, smearing mouth;6, injection port;7, injection bin;8, scale;9, U-shaped board;10, rotating rod;11, cover plate;12, clamping plate;13, L-shaped board;14, sliding rod;15, pull plate;16, spring;17, limit rod;18, soft rope;19, sealing gasket;20, torsion spring;21, connecting cylinder;22, rubber sleeve;23, protruding block. DETAILED DESCRIPTION
[0032] Refer to Figures 1-6The utility model provides a kind of technical scheme shown in the utility model provides a kind of technical scheme: a kind of coating device for plugging gap between asphalt layer and guardrail, including coating gun 1, extrusion pipe 2 is movably installed in the inside of coating gun 1, one side of coating gun 1 is equipped with operating handle 3, one end of extrusion pipe 2 is screw thread connection has connecting pipe 4, coating nozzle 5 is movably installed in connecting pipe 4, the arc surface of extrusion pipe 2 is fixedly connected with injection port 6, injection port 6 is screw thread installed with injection bin 7, the arc surface of injection bin 7 is fixedly connected with U-shaped plate 9, the inner surface of U-shaped plate 9 is rotatably connected with rotating rod 10, the arc surface of rotating rod 10 is fixedly connected with cover plate 11, one side of cover plate 11 is fixedly connected with clamping plate 12, the surface of injection bin 7 is equipped with clamping groove, the surface of clamping plate 12 is equipped with fixed groove, the arc surface of injection bin 7 is fixedly connected with L-shaped plate 13, sliding rod 14 is slidably inserted in L-shaped plate 13, the arc surface of sliding rod 14 is slidably connected with the fixed groove of clamping plate 12, one end of sliding rod 14 is fixedly connected with pull plate 15, injection port 6 and injection bin 7 adopt screw thread connection, it is convenient to disassemble and replace injection bin 7, can quickly replenish material, improve work efficiency, the arc surface of U-shaped plate 9, rotating rod 10, cover plate 11, clamping plate 12, clamping groove etc.One end of the smearing nozzle 5 is fixedly connected with a connecting barrel 21, one end of the connecting barrel 21 is fixedly connected with a rubber sleeve 22, the rubber sleeve 22 is clamped with the inner wall of the clamping groove of the connecting pipe 4, by clamping and connecting the smearing nozzle 5 with the connecting pipe 4, the smearing nozzle 5 is convenient to replace, so as to adapt to the different cracks between the asphalt layer and the guardrail for coating, improve the practicability of the device, the surface of the connecting pipe 4 is fixedly connected with a plurality of protrusions 23, a plurality of protrusions 23 are evenly arranged on the connecting pipe 4 in a circumferential array, by setting the protrusions 23, the connecting pipe 4 is convenient to disassemble from the extrusion pipe 2, the inside of the connecting pipe 4 is cleaned, the practicability of the device is improved, the arc surface of the rotating rod 10 is sleeved with a torsion spring 20, the two ends of the torsion spring 20 are fixedly connected with the U-shaped plate 9 and the cover plate 11 respectively, under the action of the torsion spring 20, the cover plate 11 is automatically opened and kept at a certain angle, the practicability of the device is improved.
[0033] The working principle is that before construction, the material filling is completed by easily installing the material filling bin 7 through the threaded connection of the material filling port 6 and the material filling bin 7, the U-shaped plate 9 on the material filling bin 7 and the rotating rod 10 form a movable structure, the torsion spring 20 sleeved on the rotating rod 10 has two ends fixedly connected with the U-shaped plate 9 and the cover plate 11, under the action of the torsion spring 20, the cover plate 11 can be automatically opened and kept at a certain angle, the material filling is convenient, after the filling is completed, the cover plate 11 is rotated, the clamping plate 12 is tightly engaged with the clamping groove of the material filling bin 7, at this time, the sliding rod 14 with the spring 16 inside the L-shaped plate 13 is automatically slid into the fixed groove of the clamping plate 12 under the elastic driving of the spring 16, the cover plate 11 is stably locked to prevent accidental opening, the safety of material storage is ensured, leakage is avoided, at the same time, the sealing gasket 19 on one side of the cover plate 11 is tightly attached to the material filling bin 7, the sealing performance is further improved, during construction, the operator holds the operation handle 3 on one side of the coating gun 1, the material flows into the extrusion pipe 2 from the material filling bin 7 through the material filling port 6, the extrusion pipe 2 is made of fluorine rubber material and has a scale line 8 on the surface, the flexibility and corrosion resistance of the fluorine rubber pipe facilitate extrusion operation, the scale line 8 helps the construction personnel to intuitively understand the remaining amount of the material, so as to supplement the material in time, the material in the extrusion pipe 2 is pushed to the smearing nozzle 5 through the connecting pipe 4 connected in a threaded mode, the connecting pipe 4 and the smearing nozzle 5 are connected through the clamping mode of the rubber sleeve 22 on the connecting barrel 21 and the clamping groove in the inner cavity of the connecting pipe 4, different specifications of the smearing nozzle 5 can be quickly replaced according to the width and shape of the gap between the asphalt layer and the guardrail, the coating is accurately and efficiently smeared to the gap, and the coating effect is improved.
[0034] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.
Claims
1. A painting device for sealing the gap between an asphalt layer and a guardrail, comprising a painting gun (1), characterized in that: The inside of the coating gun (1) is movably provided with an extrusion pipe (2), one side of the coating gun (1) is provided with an operation handle (3), one end of the extrusion pipe (2) is threadedly connected with a connecting pipe (4), the connecting pipe (4) is movably provided with a smearing nozzle (5) inside, the arc surface of the extrusion pipe (2) is fixedly connected with a material injection port (6), the material injection port (6) is threadedly provided with a material injection bin (7) inside, the arc surface of the material injection bin (7) is fixedly connected with a U-shaped plate (9), the inner surface of the U-shaped plate (9) is rotatably connected with a rotating rod (10), the arc surface of the rotating rod (10) is fixedly connected with a cover plate (11), one side of the cover plate (11) is fixedly connected with a clamping plate (12), the surface of the material injection bin (7) is provided with a clamping groove, the surface of the clamping plate (12) is provided with a fixing groove, the arc surface of the material injection bin (7) is fixedly connected with an L-shaped plate (13), the L-shaped plate (13) is slidably inserted with a sliding rod (14), the arc surface of the sliding rod (14) is slidably connected with the fixing groove of the clamping plate (12), one end of the sliding rod (14) is fixedly connected with a pull plate (15).
2. The painting device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The arc surface of the sliding rod (14) is sleeved with a spring (16), the two ends of the spring (16) are fixedly connected with the pull plate (15) and the L-shaped plate (13) respectively.
3. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The arc surface of the sliding rod (14) is provided with a limiting groove, the L-shaped plate (13) is slidably inserted with a limiting rod (17), the size of the limiting rod (17) is matched with the size of the limiting groove of the sliding rod (14).
4. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The arc surface of the extrusion pipe (2) is provided with a scale line (8).
5. The painting device for sealing the gap between the asphalt layer and the guardrail according to claim 3, characterized in that: One end of the limiting rod (17) is fixedly connected with a soft rope (18), one end of the soft rope (18) is fixedly connected with the L-shaped plate (13).
6. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: One side of the cover plate (11) is fixedly connected with a sealing gasket (19), one side of the sealing gasket (19) is attached to the material injection bin (7).
7. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The inner cavity of the connecting pipe (4) is provided with a clamping groove, one end of the smearing nozzle (5) is fixedly connected with a connecting barrel (21), one end of the connecting barrel (21) is fixedly connected with a rubber sleeve (22), the rubber sleeve (22) is clamped with the inner wall of the clamping groove of the connecting pipe (4).
8. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The surface of the connecting pipe (4) is fixedly connected with a plurality of protrusions (23), a plurality of the protrusions (23) are evenly arranged on the connecting pipe (4) in a circumferential array.
9. The coating device for sealing the gap between the asphalt layer and the guardrail according to claim 1, characterized in that: The arc surface of the rotating rod (10) is sleeved with a torsion spring (20), the two ends of the torsion spring (20) are fixedly connected with the U-shaped plate (9) and the cover plate (11) respectively.