CN212103596U - Crack repairing device for asphalt pavement construction - Google Patents
Crack repairing device for asphalt pavement construction Download PDFInfo
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- CN212103596U CN212103596U CN201922398107.7U CN201922398107U CN212103596U CN 212103596 U CN212103596 U CN 212103596U CN 201922398107 U CN201922398107 U CN 201922398107U CN 212103596 U CN212103596 U CN 212103596U
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- bottom plate
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Abstract
The utility model provides a crack repairing device for asphalt pavement construction, which comprises a vehicle body, wherein universal wheels are arranged at the bottom of the vehicle body, a slurry storage tank is fixed at the middle part of the vehicle body through a connecting rod, a booster pump is arranged at the upper part of the slurry storage tank, and the lower part of the slurry storage tank is connected with a floating device at the bottom through a guide pipe; the lower part of the vehicle body is provided with a bottom plate, the bottom plate is provided with a through hole at the lower part of the slurry storage tank for connecting and passing a conduit with the trowelling device, the bottom plate is provided with an opening at the front part of the through hole, a hot air device is arranged at the opening, and the hot air device comprises a hot air heater arranged on the bottom plate and an air outlet which is connected with the hot air heater and has an opening facing to the front lower part; the floating device is a telescopic device and is in compression connection with the bottom plate through a spring. The utility model discloses a crack repairing device for bituminous paving construction has good road surface crack repair, sealed effect.
Description
Technical Field
The utility model belongs to the technical field of the pavement maintenance device technique and specifically relates to a crack patching device is used in bituminous paving construction.
Background
With the development of social economy, the opportunity of people going out becomes frequent, and simultaneously the logistics industry is rapidly developed, and transportation is used as an important carrier for supporting people going out and the operation of the logistics industry, and the like, and is rapidly developed in recent years. The continuous development of the transportation industry is accompanied with the increase and increase of traffic load, the requirement of road strength is also increased, especially the ability of the road to bear heavy load, and therefore the road maintenance and repair are becoming more and more important. Due to the influence of factors such as rapid increase of traffic volume, large-scale vehicles, severe overload, construction quality and the like, the phenomena of cracks, pits, ruts, subsidence and the like are often generated when the service life of the asphalt pavement is not reached, wherein the cracks of the pavement are the most common pavement damage phenomena and are the initial manifestation of pavement damage.
Because the asphalt pavement is sensitive to temperature and humidity changes and is easily influenced by the rigidity of the base layer, cracks of the base layer can directly extend to the surface layer of the asphalt pavement to form pavement emission cracks; meanwhile, under the condition of low temperature and/or surface water accumulation, stress cracks are easy to occur when heavy load is applied. The production of road surface crack not only influences that the road surface is pleasing to the eye, reduces the planarization on the road surface of going with, can weaken the bulk strength on road surface moreover, especially when the road surface fracture back, road surface moisture can permeate road surface basic unit, subbase or even road bed through the crack, weakens the intensity on basic unit, soil matrix, further aggravates the damage on road surface, shortens road life. Therefore, proper maintenance and repair of pavement cracks by proper asphalt pavement maintenance technology is urgently needed.
The existing pavement crack repairing method generally adopts a pavement crack pouring machine to extrude sealing adhesive which is attached to a pavement crack to form a sealing layer through a glue spraying gun so as to perform crack pouring repairing on the pavement crack.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crack patching device is used in bituminous paving construction to solve among the prior art problem that road surface crack patching device is poor to road surface crack repair effect.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a crack repairing device for asphalt pavement construction comprises a vehicle body, wherein universal wheels are arranged at the bottom of the vehicle body, a slurry storage tank is fixed in the middle of the vehicle body through a connecting rod, a booster pump is arranged at the upper part of the slurry storage tank, and the lower part of the slurry storage tank is connected with a floating device at the bottom through a guide pipe; the lower part of the vehicle body is provided with a bottom plate, the bottom plate is provided with a through hole at the lower part of the slurry storage tank for connecting and passing a conduit with the trowelling device, the bottom plate is provided with an opening at the front part of the through hole, a hot air device is arranged at the opening, and the hot air device comprises a hot air heater arranged on the bottom plate and an air outlet which is connected with the hot air heater and has an opening facing to the front lower part; the floating device is a telescopic device and is in compression connection with the bottom plate through a spring.
Furthermore, the vehicle body consists of four symmetrically arranged support frames and connecting rods among the support frames, and universal wheels are arranged at the bottoms of the support frames; the cross section of the vehicle body is square or rectangular, the cross sections of the four supporting frames are positioned on four vertexes of the square or rectangular, and the slurry storage tank is fixed in the middle of the vehicle body through a connecting rod.
Furthermore, the slurry storage tank is connected with four supporting frames of the vehicle body through connecting rods.
Furthermore, the upper part of the pulp storage box is provided with a feed inlet, and the feed inlet is sealed by a feed cover.
Furthermore, a valve is arranged on the guide pipe and used for adjusting the pulp outlet amount.
Furthermore, the floating device comprises a connecting pipe at the upper part, a spherical cavity connected with the lower part of the connecting pipe, and a floating chassis outside the spherical cavity, wherein the connecting pipe is a telescopic connecting pipe, and the floating chassis is connected with the bottom plate through a spring.
Furthermore, the lower part of the connecting pipe is provided with external threads, internal threads are arranged inside the spherical cavity, the spherical cavity is connected with the connecting pipe through threads and is fixedly connected with the floating chassis, and a spherical cavity is arranged inside the spherical cavity; the connecting pipe and the spherical cavity body that connect can be dismantled to the screw thread, can disassemble spherical cavity body when using up or the inside pitch thick liquid of spherical cavity body solidifies, heats the clearance, is convenient for preserve/use.
Furthermore, the outer part of the bottom cavity of the floating chassis is an annular bottom surface, the front part of the annular bottom surface tilts, the front part and the front part are the front part of the vehicle body or the advancing direction of the vehicle body, the front tilted annular bottom surface is convenient to contact with the ground, the annular bottom surface is prevented from being blocked/clamped by the ground when the ground is concave and convex, and the smooth operation of crack repairing work is facilitated; the middle part of the annular bottom surface and the lower part of the spherical cavity are provided with the glue storage cavity, and the asphalt slurry is directly contacted with the ground crack through the glue storage cavity, so that the asphalt slurry is prevented from being exposed in the air before the crack is repaired, and a better repairing effect is achieved; the glue storage cavity and the spherical cavity have the function of storing the grout, when the grout needs a large amount of grout in a short time due to the fact that the glue storage cavity and the spherical cavity meet a large crack or uneven ground, the grout in the glue storage cavity and the spherical cavity can be supplemented in time to form enough buffering, and intermittent crack pouring caused by glue breaking in the using process is avoided.
Compared with the prior art, the utility model discloses the advantage that possesses does:
the utility model provides a crack repairing device for asphalt pavement construction, which is characterized in that a bottom telescopic floating device and a spring are connected with a bottom plate in a compression way, so that a floating chassis is always tightly attached to the ground, and the annular bottom surface of the floating chassis can realize good floating effect, so that the repaired slurry is flatly laid on the ground; moreover, the spherical cavity and the glue storage cavity at the bottom of the leveling chassis can prevent slurry from being exposed in air and being cooled in advance, so that the molten repairing slurry can be poured into a cavity formed by the bottom of the leveling chassis and the pavement after being attached under the condition that the leveling chassis is attached to the pavement at any time, uniform and flat attaching marks are left along with the movement of the leveling chassis on the pavement, and the molten slurry is extruded after being pressurized by a booster pump and can be uniformly attached to the pavement under the action of a leveling device before contacting the pavement; the hot air device can preheat and blow the crack in advance before crack repair, impurities can be blown away and the moisture content can be reduced while preheating, the asphalt slurry of the hydraulic binding material is prevented from being hardened in advance, the crack filling repair effect is improved, and the pavement crack is ensured to be sealed.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a bottom plate structure;
fig. 4 is a schematic structural diagram of the troweling device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the schematic structural diagram of the present invention, and obviously, the embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, other equivalent replacements made without creative labor should fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the crack repairing device for asphalt pavement construction comprises a vehicle body 1, wherein universal wheels 14 are arranged at the bottom of the vehicle body 1, a slurry storage tank 2 is fixed at the middle part of the vehicle body 1 through a connecting rod 12, a booster pump 5 is arranged at the upper part of the slurry storage tank 2, and the lower part of the slurry storage tank is connected with a floating device at the bottom through a guide pipe 4; a bottom plate 13 is arranged at the lower part of the vehicle body 1, as shown in fig. 3, a through hole 131 is arranged at the lower part of the slurry storage tank 2 of the bottom plate 13 for connecting and passing the conduit 4 with the troweling device, an opening 132 is arranged at the front part of the through hole 131 of the bottom plate 13, a hot air device is arranged at the opening 132, and the hot air device comprises a hot air blower 31 arranged on the bottom plate 13 and an air outlet 32 which is connected with the hot air blower 31 and has an opening facing to the front lower part; the floating device is a telescopic device and is in compression connection with the bottom plate 13 through a spring 61. The front part of the floating device of fig. 1 should be provided with a hot air device as shown in fig. 2, and the structure of the hot air device is not shown in fig. 1 for the sake of more clear expression of the present invention.
Furthermore, the vehicle body 1 is composed of four symmetrically arranged support frames 11 and connecting rods among the support frames 11, and universal wheels 14 are arranged at the bottom of each support frame 11; the cross section of the vehicle body 1 is square or rectangular, the cross sections of the four support frames 11 are positioned on four vertexes of the square or rectangular, and the slurry storage tank 2 is fixed in the middle of the vehicle body 1 through a connecting rod 12.
Further, the slurry storage tank 2 is connected with four support frames 11 of the vehicle body 1 through connecting rods 12.
Further, the upper part of the stock chest 2 is provided with a feed inlet 21, and the feed inlet 21 is sealed by a feed cover.
Further, a valve 41 is arranged on the conduit 4, and the valve 41 is used for adjusting the pulp output.
Further, as shown in fig. 4, the floating device includes an upper connecting pipe 61, a spherical cavity 63 connected to a lower portion of the connecting pipe 62, and a floating chassis 64 outside the spherical cavity 63, wherein the connecting pipe 62 is a telescopic connecting pipe, and the floating chassis 64 is connected to the bottom plate 13 through a spring 61.
Furthermore, the lower part of the connecting pipe 62 is provided with an external thread, the inside of the spherical cavity 63 is provided with an internal thread, the spherical cavity 63 is connected with the connecting pipe 62 through a thread, the spherical cavity 63 is fixedly connected with the floating chassis 64, and the inside of the spherical cavity 63 is a spherical cavity; the connecting pipe 62 and the spherical cavity 63 that the screw thread can be dismantled and connect can be disassembled spherical cavity 63 when using up or the inside pitch thick liquid of spherical cavity 63 solidifies, heats the clearance, is convenient for preserve/use.
Furthermore, the bottom cavity of the floating chassis 64 is externally provided with an annular bottom surface, the front part of the annular bottom surface tilts, the front part and the front part are the front part of the vehicle body 1 or the advancing direction of the vehicle body 1, the tilted annular bottom surface of the front part is convenient to contact with the ground, the annular bottom surface is prevented from being blocked/clamped by the ground when the ground is concave and convex, and the smooth operation of crack repairing work is facilitated; the middle part of the annular bottom surface and the lower part of the spherical cavity 63 are provided with the rubber storage cavity 65, and the asphalt slurry is directly contacted with the ground crack through the rubber storage cavity, so that the asphalt slurry is prevented from being exposed in the air before the crack is repaired, and a better repairing effect is achieved; the glue storage cavity 65 and the spherical cavity 63 have the function of storing the grout, when large cracks or uneven ground needs a large amount of grout in a short time, the grout in the glue storage cavity 65 and the spherical cavity 63 can be supplemented in time to form enough buffering, and intermittent crack pouring caused by glue breaking in the using process is avoided.
Furthermore, the connecting pipe 62 realizes scalability through multi-section design, a channel is arranged inside the connecting pipe 62 for asphalt slurry to flow, the connecting pipe 62 extends to the bottom of the floating chassis 64 and is lower than the universal wheels 14 of the vehicle body 1 under the gravity of the bottom floating chassis 64 and the spherical cavity 63 under the condition that the vehicle body 1 is suspended, and the floating chassis 64 is always tightly attached to the ground under the action of the spring 61 when in use. The hot air heater is a conventional hot air heater consisting of an air feeder, a heater and a control circuit, and is connected with an external air source or a power supply according to actual needs to realize the hot air function of the hot air heater, the air outlet is connected with the hot air heater through an air guide pipe 33, the air guide pipe 33 is a hard (such as iron) air guide pipe, so that the air outlet is positioned at the front part of the trowelling chassis 64 and is right opposite to the front lower part, when the hot air trowelling device is used, the crack to be repaired can be preheated and blown, the repair effect of the crack can be better realized, the crack repair process is slow, and therefore the hot air device can preheat and blow the crack at the front part of the. Pavement cracking mostly occurs in the lower environment of temperature, and should in time repair in order to prevent the continuation of crack from expanding after the fracture appears, and the repair of directly caulking under the lower environment of temperature easily produces following two kinds of circumstances: firstly, the temperature is low, and the asphalt binder is rapidly cooled and hardened after contacting with an ice-cold road surface; secondly, the crack has more impurities and large water content, so that the asphalt binder bonding and repairing effect of the hydraulic binding material is reduced. Use the utility model discloses a be provided with hot-blast apparatus's crack repair device, the repair effect strengthens greatly.
Claims (8)
1. The utility model provides a crack patching device is used in bituminous paving construction which characterized in that: the device comprises a vehicle body, wherein universal wheels are arranged at the bottom of the vehicle body, a slurry storage tank is fixed in the middle of the vehicle body through a connecting rod, a booster pump is arranged at the upper part of the slurry storage tank, and the lower part of the slurry storage tank is connected with a floating device at the bottom through a guide pipe; the lower part of the vehicle body is provided with a bottom plate, the bottom plate is provided with a through hole at the lower part of the slurry storage tank for connecting and passing a conduit with the trowelling device, the bottom plate is provided with an opening at the front part of the through hole, a hot air device is arranged at the opening, and the hot air device comprises a hot air heater arranged on the bottom plate and an air outlet which is connected with the hot air heater and has an opening facing to the front lower part; the floating device is a telescopic device and is in compression connection with the bottom plate through a spring.
2. The crack repairing device for asphalt pavement construction according to claim 1, characterized in that: the bicycle body is composed of four symmetrically arranged support frames and connecting rods among the support frames, and universal wheels are arranged at the bottoms of the support frames.
3. The crack repairing device for asphalt pavement construction according to claim 1, characterized in that: the slurry storage tank is connected with four supporting frames of the vehicle body through connecting rods.
4. The crack repairing apparatus for asphalt pavement construction according to claim 1 or 3, characterized in that: the upper part of the pulp storage box is provided with a feed inlet, and the feed inlet is sealed by a feed cover.
5. The crack repairing device for asphalt pavement construction according to claim 1, characterized in that: the guide pipe is provided with a valve.
6. The crack repairing device for asphalt pavement construction according to claim 1, characterized in that: the floating device comprises a connecting pipe at the upper part, a spherical cavity connected with the lower part of the connecting pipe and a floating chassis outside the spherical cavity, the connecting pipe is a telescopic connecting pipe, and the floating chassis is connected with the bottom plate through a spring.
7. The crack repairing device for asphalt pavement construction according to claim 6, characterized in that: the spherical cavity is connected with the connecting pipe through threads and fixedly connected with the floating chassis, and a spherical cavity is arranged inside the spherical cavity.
8. The crack repairing device for asphalt pavement construction according to claim 6, characterized in that: the outer part of the bottom cavity of the floating chassis is an annular bottom surface, and the front part of the annular bottom surface is tilted; and the middle part of the annular bottom surface and the lower part of the spherical cavity are provided with a glue storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398107.7U CN212103596U (en) | 2019-12-27 | 2019-12-27 | Crack repairing device for asphalt pavement construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398107.7U CN212103596U (en) | 2019-12-27 | 2019-12-27 | Crack repairing device for asphalt pavement construction |
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| Publication Number | Publication Date |
|---|---|
| CN212103596U true CN212103596U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922398107.7U Active CN212103596U (en) | 2019-12-27 | 2019-12-27 | Crack repairing device for asphalt pavement construction |
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| Country | Link |
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| CN (1) | CN212103596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592414A (en) * | 2022-03-04 | 2022-06-07 | 安徽天建建设集团有限公司 | Pavement asphalt surface crack repairing equipment |
-
2019
- 2019-12-27 CN CN201922398107.7U patent/CN212103596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592414A (en) * | 2022-03-04 | 2022-06-07 | 安徽天建建设集团有限公司 | Pavement asphalt surface crack repairing equipment |
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