Road paving device

Abstract

The invention belongs to the technical field of road construction, and particularly relates to a road paving device which comprises a joint filling machine body, a sweeping mechanism and an air sealing mechanism. A joint filling mechanism is mounted on the joint filling machine main body, and a joint filling pipe is arranged on the joint filling mechanism; the cleaning mechanism is mounted on the joint filling mechanism and comprises a mounting plate, a circulation fan is mounted on the mounting plate, a cleaning pipe is connected to the circulation fan and arranged on one side of the joint filling pipe, a collecting cover is arranged on the side, away from the joint filling pipe, of the cleaning pipe and corresponds to the cleaning pipe, and a collecting pipe is connected to the collecting cover. One end of the collecting pipe is connected with a gas treatment mechanism, and the gas treatment mechanism is arranged on the mounting plate and communicates with the circulation fan; the air sealing mechanism is installed on the outer side of the joint filling pipe. Through the arrangement of the corresponding mechanisms, not only can gaps formed after road laying be treated to guarantee gap pouring of filler, but also the drying efficiency of the filler after gap pouring can be improved, and then the gap pouring quality can be guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of road construction, and in particular relates to a road paving device. Background Art

[0002] After the road is paved, there will be some gaps in the road surface. In order to reduce water penetration and rainwater erosion, and to increase the service life of the paved road surface, the gaps need to be grouted. Traditional grouting is done manually, but manual grouting is inefficient, time-consuming and labor-intensive, and prone to problems such as leakage and unevenness. In order to solve this problem, a pavement grouting machine came into being. The pavement grouting machine is a new type of pavement construction machinery and equipment. It injects high-pressure liquid into the cracks of the road surface to fill the gaps, making the road surface smoother, thereby achieving the purpose of grouting. It has the advantages of saving time and labor, high efficiency, safety and environmental protection.

[0003] There are many types of caulking machines on the market. For example, the Chinese invention patent with publication number CN113585027A discloses a caulking machine for road construction. Through the mutual cooperation of the limit block and the top rod, the reversing wheel in the reversing mechanism can be locked or rotated freely. It can not only move in a straight line along the crack, but also move in a curve along the curved crack. Therefore, the caulking machine can meet the caulking treatment of different types of cracks and meet the use needs of the staff to a certain extent.

[0004] However, this crack filling machine still has drawbacks when used. It cannot perform relevant treatment on road cracks, resulting in poor filler effect when filling cracks. In addition, after the filler is filled, it is generally dried naturally, and the drying efficiency is slow, which can easily affect the quality of the filler.

[0005] Therefore, in view of the above technical problems, it is necessary to provide a road paving device. Summary of the Invention

[0006] The object of the present invention is to provide a road paving device to solve the problem of poor caulking quality of the above-mentioned caulking machine.

[0007] In order to achieve the above-mentioned purpose, the technical solution provided by one embodiment of the present invention is as follows:

[0008] A road paving device includes a caulking machine body, a cleaning mechanism, and an air sealing mechanism;

[0009] The caulking machine body is provided with a caulking mechanism, and the caulking mechanism is provided with a caulking pipe;

[0010] The cleaning mechanism is installed on the caulking mechanism, and the cleaning mechanism includes a mounting plate, a circulating fan is mounted on the mounting plate, a cleaning pipe is connected to the circulating fan, the cleaning pipe is arranged on one side of the caulking pipe, a collecting cover is provided on the side of the cleaning pipe away from the caulking pipe, the collecting cover corresponds to the cleaning pipe, the collecting cover is connected to the collecting pipe, one end of the collecting pipe is connected to a gas processing mechanism, the gas processing mechanism is arranged on the mounting plate, and is in communication with the circulating fan;

[0011] The air sealing mechanism is installed on the outside of the caulking pipe and is communicated with the cleaning pipe.

[0012] Furthermore, the cleaning pipe is made of heat-conducting material, which facilitates the heating wire to heat the gas flowing in the cleaning pipe. When the heated gas is discharged from the cleaning pipe, it can not only clean the road gaps, but also dry the gaps, so as to improve the filling quality of the filler.

[0013] A protective cover is provided on the outside of the cleaning pipe to cover the heating wire to prevent workers from being burned by the heating wire;

[0014] The protective cover is provided with a heating wire, which is wound around the outside of the cleaning pipe. When the heating wire is running, it will generate heat, and the heat will be transferred to the gas flowing in the cleaning pipe through the cleaning pipe, so that the gas temperature rises and carries heat. When the gas is discharged, the road gaps can be dried to avoid the presence of water vapor in the gaps so that the filler can fill the gaps better.

[0015] Furthermore, the gas treatment mechanism includes a treatment box for accommodating a filter and drying cotton. The side wall of the treatment box is hingedly connected to a cover door, through which staff can clean the filter, replenish the activated carbon balls, and replace the drying cotton to ensure the treatment effect of the reflux gas;

[0016] A pair of filters are provided in the processing box, and the mesh ratio of the filter is 1:3. The filter is used to filter impurities in the gas to prevent the impurities from affecting the circulation fan;

[0017] The filter on the lower side is provided with a number of activated carbon balls and a number of elastic balls. The elastic balls are made of high-temperature resistant rubber material. The activated carbon balls can dry the moisture in the return gas, thereby ensuring the reuse of the return gas, greatly improving the overall utilization rate, and avoiding heat loss. The elastic balls can move irregularly between a pair of filter screens under the blowing of the return gas. When the elastic balls come into contact with the filter screen, they will hammer the filter screen and cause the filter screen to vibrate, thereby preventing the filter screen from being blocked by debris and ensuring the filtering effect of the filter screen.

[0018] Furthermore, a drying cotton is provided in the processing box, and the drying cotton is provided on the upper side of the filter screen, and the drying cotton is used to further dry the return gas to avoid moisture in the return gas;

[0019] A return pipe is connected between the processing box and the circulating fan. The gas after filtering and drying is re-extracted by the circulating fan, thereby realizing the recycling of the gas, avoiding the loss of heat in the gas, and improving the overall environmental protection effect.

[0020] Furthermore, the air sealing mechanism includes an annular tube, which is used to install a nozzle. Several connecting columns are connected between the annular tube and the caulking mechanism. Several evenly vertically distributed nozzles are connected to the annular tube. A conveying pipe is connected between the annular tube and the cleaning pipe. Part of the gas in the cleaning pipe enters the annular tube through the conveying pipe and is discharged through several nozzles to form an annular air curtain on the outside of the caulking tube. When the caulking tube starts to caulk, the annular air curtain can wrap the discharged filler to prevent the filler from emitting odor and polluting the environment.

[0021] Furthermore, a buffer plate is provided on the lower side of the annular tube, which is used to buffer the impact force of the air curtain, thereby preventing the air curtain from directly contacting the gap filler, thereby preventing the filler from being blown away by the air curtain and ensuring the quality of the filling;

[0022] The buffer plate is provided with an air collecting cavity on one side relative to the annular tube, and a number of nozzles 2 are connected to the buffer plate and are evenly distributed vertically around the circumference. The diameter of the circle where the nozzles 2 are located is smaller than the diameter of the annular tube. A connecting cavity is connected between the air collecting cavity and the nozzles 2. The gas ejected by the nozzle 1 will enter the air collecting cavity, be guided by the connecting cavity, and be ejected again through the nozzle 2 to form an inner air curtain on the outside of the caulking tube, thereby preventing the overflow of odor from the filler.

[0023] Furthermore, a drying plate is installed on the buffer plate, and the drying plate is arranged on the side of the buffer plate away from the second nozzle. The drying plate is made of heat-conducting material. When the gas ejected by the first nozzle is reversed through the connecting cavity, part of the heat in the gas will be transferred to the drying plate, so that the temperature of the drying plate increases. The drying plate with heat can radiate heat outward to dry the filler in the gap, thereby greatly improving the drying efficiency of the filler.

[0024] Furthermore, an air collecting hood is connected to the inner side of the annular tube. The air collecting hood corresponds to the second nozzle and is connected to the buffer plate by a pair of connecting columns. The inner air curtain will eventually enter the air collecting hood.

[0025] A return pipe 2 is connected between the gas collecting hood and the collection pipe. The gas in the gas collecting hood enters the collection pipe through the return pipe 2, and is then processed by the gas processing mechanism, thereby realizing the recycling of the gas with heat and avoiding the loss of heat in the gas. At the same time, it can also purify the odorous gas carried in the gas and avoid the odorous gas from polluting the environment.

[0026] Furthermore, a drying mechanism is installed on the caulking mechanism, which is used to further accelerate the drying efficiency of the filler and ensure the quality of the caulking;

[0027] The drying mechanism includes a receiving box, in which drying balls are arranged. A release tube is connected to the receiving box. The release tube is arranged on the inner side of the buffer plate and on the side of the caulking tube away from the cleaning tube. The drying balls in the receiving box are released through the release tube and can be mixed into the gap filler. When the drying plate dries the filler, the drying balls will break and release heat, which can further improve the drying efficiency of the filler, make the filler surface harden quickly, and ensure the quality of the caulking.

[0028] Furthermore, the side wall of the holding box is provided with an observation panel and a replenishment panel to facilitate the replenishment of the drying balls, and the release pipe is installed with an intelligent valve.

[0029] Compared with the prior art, the present invention has the following advantages:

[0030] The present invention can not only process the gaps after the road is paved to ensure the filling of fillers through the arrangement of corresponding mechanisms, but also improve the drying efficiency of the fillers after filling, thereby ensuring the filling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 A perspective view of a road paving device according to an embodiment of the present invention;

[0033] Figure 2 for Figure 1 Schematic diagram of the structure at A in the middle;

[0034] Figure 3 for Figure 1 Schematic diagram of the structure at B in the middle;

[0035] Figure 4A perspective view from another angle of a road paving device according to an embodiment of the present invention;

[0036] Figure 5 for Figure 4 Schematic diagram of the structure at C in the middle;

[0037] Figure 6 It is a front cross-sectional view of a road paving device according to one embodiment of the present invention;

[0038] Figure 7 for Figure 6 Schematic diagram of the structure at D in the middle;

[0039] Figure 8 for Figure 6 Schematic diagram of the structure at E in the middle;

[0040] Figure 9 for Figure 6 Schematic diagram of the structure at F in the middle;

[0041] Figure 10 for Figure 6 Schematic diagram of the structure at G in the middle;

[0042] Figure 11 This is a cross-sectional view of a drying ball in one embodiment of the present invention.

[0043] Figure: 1. Caulking machine body, 101. Caulking mechanism, 102. Caulking pipe, 2. Cleaning mechanism, 201. Mounting plate, 202. Circulation fan, 203. Cleaning pipe, 204. Collection hood, 205. Collection pipe, 206. Processing box, 207. Protective cover, 208. Heating wire, 209. Filter, 210. Activated carbon balls, 211. Elastic balls, 212. Drying cotton, 213. Reflux pipe, 3. Air seal mechanism , 301. Annular tube, 302. Connecting column 1, 303. Nozzle 1, 304. Buffer plate, 305. Gas collecting chamber, 306. Nozzle 2, 307. Connecting chamber, 308. Drying plate, 309. Gas collecting hood, 310. Reflux pipe 2, 4. Drying mechanism, 401. Holding box, 402. Drying ball, 4021. Inner membrane, 4022. Volatile liquid, 4023. Release hole, 4024. Outer membrane, 403. Release tube. DETAILED DESCRIPTION

[0044] The present invention will be described in detail below with reference to the various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional modifications made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0045] The present invention discloses a road paving device, referring to Figures 1-11 As shown, it includes a caulking machine body 1, a cleaning mechanism 2, an air sealing mechanism 3 and a drying mechanism 4.

[0046] Among them, the caulking machine body 1 is equipped with a caulking mechanism 101, and the caulking mechanism 101 is provided with a caulking tube 102. The caulking machine body 1 fills the road gap through the caulking mechanism 101 and the caulking tube 102, thereby realizing the caulking operation.

[0047] Preferably, the caulking machine body 1, caulking mechanism 101 and caulking tube 102 used in this application are all existing technologies, and the connections between the various components are also existing technologies. Therefore, their connections and working principles will not be described in detail here.

[0048] In addition, the filler used in this application is a room temperature construction type filler, such as polyurethane, silicone resin, chloroprene rubber and asphalt rubber.

[0049] refer to Figures 1-11 As shown, the cleaning mechanism 2 is installed on the caulking mechanism 101. The cleaning mechanism 2 is used to clean and dry the road gaps to prevent the presence of stones and other debris in the road gaps. It can also prevent the road gaps from being damp, facilitate subsequent caulking operations, and ensure the caulking quality.

[0050] The cleaning mechanism 2 includes a mounting plate 201 , a circulating fan 202 is mounted on the mounting plate 201 , a cleaning pipe 203 is connected to the circulating fan 202 , and the cleaning pipe 203 is arranged on one side of the caulking pipe 102 .

[0051] When the caulking machine body 1 is needed for caulking, the cleaning pipe 203 is aimed at the road gap, and the circulating fan 202 is operated. The circulating fan 202 generates gas which is ejected through the cleaning pipe 203 to clean stones and debris in the road gap.

[0052] In addition, the cleaning pipe 203 is made of a heat-conducting material. If the road crack is relatively damp, the circulating fan 202 is operated simultaneously with the heater 208, which heats the gas flowing in the cleaning pipe 203. When the heated gas is discharged from the cleaning pipe 203, it not only cleans the road crack but also dries the crack, thereby improving the filling quality of the filler.

[0053] Specifically, a collecting cover 204 is provided on the side of the cleaning pipe 203 away from the caulking pipe 102 . The collecting cover 204 corresponds to the cleaning pipe 203 , and the collecting pipe 205 is connected to the collecting cover 204 .

[0054] The gas ejected from the cleaning pipe 203 and the cleaned stones and debris will be collected by the collecting cover 204. Under the action of the gas, the debris will enter the processing box 206 along the collecting pipe 205 for collection, and the gas will be filtered and reused, thereby avoiding the loss of heat in the gas.

[0055] In addition, a protective cover 207 is provided on the outside of the cleaning pipe 203 to cover the heating wire 208 to prevent the staff from being burned by the heating wire 208. The protective cover 207 is provided with the heating wire 208, and the heating wire 208 is wound around the outside of the cleaning pipe 203.

[0056] When the heating wire 208 is running, the heating wire 208 will generate heat, and the heat will be transferred to the gas flowing in the cleaning pipe 203 through the cleaning pipe 203, so that the gas temperature rises and carries heat. When the gas is discharged, the road gaps can be dried to avoid the presence of water vapor in the gaps so that the filler can fill the gaps better.

[0057] refer to Figures 1-11 As shown, one end of the collection pipe 205 is connected to a gas processing mechanism, which is installed on the mounting plate 201 and is connected to the circulating fan 202. The gas processing mechanism is used to filter and dry the return gas to prevent it from carrying debris or moisture, thereby preventing the debris or moisture from affecting the caulking quality.

[0058] The gas processing mechanism includes a processing box 206 for accommodating a filter 209 and drying cotton 212 , and a cover door is hingedly connected to the side wall of the processing box 206 .

[0059] The staff can clean the filter 209, replenish the activated carbon balls 210, and replace the drying cotton 212 through the cover door to ensure the treatment effect of the reflux gas.

[0060] In addition, a pair of filters 209 are provided in the processing box 206 . The mesh ratio of the pair of filters 209 is 1:3. The filters 209 are used to filter impurities in the gas to prevent the impurities from affecting the circulation fan 202 .

[0061] Specifically, the lower filter 209 is provided with a plurality of activated carbon balls 210 and a plurality of elastic balls 211. The elastic balls 211 are made of high-temperature-resistant rubber. The activated carbon balls 210 can be used to dry out moisture in the return gas, thereby ensuring the reuse of the return gas, greatly improving the overall utilization rate, and preventing heat loss. The elastic balls 211 can move irregularly between the pair of filter screens 209 under the influence of the return gas. When the elastic balls 211 come into contact with the filter screen 209, they hammer the filter screen 209 and cause the filter screen 209 to vibrate, thereby preventing the filter screen 209 from being blocked by debris and ensuring the filtering effect of the filter screen 209.

[0062] In addition, a drying cotton 212 is further provided in the processing box 206, and the drying cotton 212 is provided on the upper side of the filter 209. The drying cotton 212 is used to further dry the return gas to prevent moisture from being present in the return gas.

[0063] Preferably, the activated carbon balls 210 and drying cotton 212 used in the present application are both commercially available materials and can be used directly.

[0064] Furthermore, a return pipe 213 is connected between the processing box 206 and the circulation fan 202. The filtered and dried gas is re-extracted by the circulation fan 202, thereby realizing the recycling of the gas, avoiding the loss of heat in the gas, and improving the overall environmental protection effect.

[0065] refer to Figures 1-11 As shown, the air sealing mechanism 3 is installed outside the caulking tube 102 and is connected to the cleaning tube 203. The air sealing mechanism 3 is used to form an air curtain outside the caulking tube 102 to prevent the odor emitted by the filler from overflowing, thereby preventing the odorous gas from polluting the environment, and also plays a role in drying the gap filler.

[0066] Among them, the air sealing mechanism 3 includes an annular tube 301, which is used to install a nozzle 303. Several connecting columns 302 are connected between the annular tube 301 and the caulking mechanism 101. Several nozzles 303 are evenly and vertically distributed and connected to the annular tube 301. A conveying pipe is connected between the annular tube 301 and the cleaning pipe 203.

[0067] Part of the gas in the purge pipe 203 enters the annular pipe 301 through the delivery pipe and is discharged through a plurality of nozzles 303, forming an annular air curtain outside the caulking pipe 102. When the caulking pipe 102 begins caulking, the annular air curtain can wrap the discharged filler, preventing the filler from emitting odor and polluting the environment.

[0068] In addition, a buffer plate 304 is provided on the lower side of the annular tube 301. The buffer plate 304 is used to buffer the impact of the air curtain, prevent the air curtain from directly contacting the gap filler, and thus prevent the filler from being blown away by the air curtain, thereby ensuring the quality of the filling.

[0069] Specifically, the buffer plate 304 is provided with an air collecting cavity 305 on one side relative to the annular tube 301, and a plurality of nozzles 306 evenly distributed vertically and circumferentially are connected to the buffer plate 304. The diameter of the circle where the nozzles 306 are located is smaller than the diameter of the annular tube 301, and a connecting cavity 307 is connected between the air collecting cavity 305 and the nozzles 306.

[0070] The gas sprayed from nozzle 1 303 enters the gas collecting chamber 305, is guided through the connecting chamber 307 and is sprayed out again through nozzle 2 306, so as to form an inner air curtain outside the caulking tube 102, thereby preventing the overflow of odor emitted by the filler.

[0071] The present application can form a double-layer air curtain on the outside of the caulking tube 102. The double-layer air curtain can effectively prevent the overflow of odorous gases emitted by the filler, thereby preventing the odorous gases from polluting the environment. At the same time, some odorous gases can also follow the inner air curtain into the gas collection hood 309 and be processed by the gas treatment mechanism, thereby improving the overall environmental protection effect.

[0072] In addition, in order to prevent the air curtain from scalding the staff, a protective shell may be provided between the annular tube 301 and the buffer plate 304 so that the air curtain is formed inside the protective shell.

[0073] refer to Figures 1-11 As shown, a drying plate 308 is mounted on the buffer plate 304. Drying plate 308 is located on the side of the buffer plate 304 away from nozzle 2 306. Drying plate 308 is made of a heat-conducting material. When the gas ejected from nozzle 1 303 changes direction through the connecting cavity 307, some of the heat in the gas is transferred to drying plate 308, causing the temperature of drying plate 308 to rise. The heated drying plate 308 radiates heat outward, drying the filler in the gap, thereby significantly improving the drying efficiency of the filler.

[0074] Preferably, the drying plate 308 can be heated to a temperature of up to 85°C.

[0075] An air hood 309 is connected to the inside of annular tube 301. This hood corresponds to nozzle 2 306 and is connected to buffer plate 304 via a pair of connecting columns 2. The inner air curtain ultimately enters air hood 309. A return pipe 2 310 is connected between air hood 309 and collection pipe 205.

[0076] The gas in the gas collecting hood 309 enters the collection pipe 205 through the return pipe 310, and is then processed by the gas processing mechanism, thereby realizing the recycling of the gas with heat and avoiding the loss of heat in the gas. At the same time, it can also purify the odorous gas carried in the gas and avoid the odorous gas from polluting the environment.

[0077] refer to Figures 1-11 As shown, a drying mechanism 4 is also installed on the caulking mechanism 101. The drying mechanism 4 is used to further accelerate the drying efficiency of the filler and ensure the caulking quality.

[0078] The drying mechanism 4 includes a receiving box 401, which contains drying balls 402. A release tube 403 is connected to the receiving box 401. The release tube 403 is located inside the buffer plate 304 and on the side of the caulking tube 102 away from the cleaning tube 203. When caulking, the caulking is first performed, and then the drying balls 402 are sprinkled on the surface of the caulking.

[0079] Drying balls 402 in container 401 are released through release tube 403, allowing them to be scattered on the filler surface. As drying plate 308 dries the filler, drying balls 402 crack and release heat, causing the filler surface to harden quickly, further improving the filler drying efficiency and ensuring the quality of the caulking.

[0080] In addition, the dry ball 402 includes an inner membrane 4021 with a volatile liquid 4022 disposed therein, a plurality of release holes 4023 disposed on the sidewall of the inner membrane 4021, and an outer membrane 4024 disposed outside the inner membrane 4021. The inner membrane 4021 is a waterproof and breathable membrane, the volatile liquid 4022 is ethanol, and the outer membrane 4024 is a polyvinyl chloride film.

[0081] When the drying plate 308 radiates heat to the gap filler, the surface temperature of the filler can reach 80°C. Due to the influence of high temperature, the outer film 4024 will rupture. At the same time, the volatile liquid 4022 evaporates into gas and is discharged through the release hole 4023. The evaporated volatile liquid 4022 can dry the surface filler, thereby greatly improving the drying efficiency of the gap filler.

[0082] Specifically, an observation panel and a replenishment panel are provided on the side wall of the storage box 401 , and the staff can observe the capacity of the drying balls 402 through the observation panel so as to replenish the drying balls 402 in time.

[0083] In addition, an intelligent valve is installed on the release pipe 403 to control the opening and closing of the release pipe 403 .

[0084] In practice, when caulking is required, the circulating fan 202, caulking mechanism 101, and the intelligent valve on the release pipe 403 are operated. The cleaning pipe 203 is then aimed at the road gap. The gas generated by the circulating fan 202 is ejected through the cleaning pipe 203 to clear stones and debris from the road gap. If the road gap is damp, the heating wire 208 is also operated to heat the gas flowing through the cleaning pipe 203. When the heated gas is discharged from the cleaning pipe 203, it not only cleans the road gap but also dries it, thereby improving the quality of the caulking.

[0085] The gas ejected from the cleaning pipe 203 and the stones and debris swept away are collected by the collection hood 204. Under the action of the gas, the debris flows along the collection pipe 205 into the processing box 206 for collection. The gas is filtered by the filter 209 and activated carbon balls 210, dried by the drying cotton 212, and finally reused by the circulation fan 202 through the return pipe 213, thereby preventing heat loss in the gas and improving the recycling effect of thermal energy.

[0086] When the caulking mechanism 101 is in operation, filler is released through the caulking tube 102 to fill the gap in the road. When the smart valve is opened, the drying balls 402 are sprinkled on the surface of the filler through the release tube 403.

[0087] Additionally, some of the gas within the purge tube 203 enters the annular tube 301 through the delivery tube and is discharged through a plurality of nozzles 303, forming an outer air curtain outside the caulking tube 102. The gas ejected from nozzle 303 enters the gas manifold 305, is guided through the connecting cavity 307, and is re-ejected through nozzle 2 306, forming an inner air curtain outside the caulking tube 102.

[0088] The double-layer air curtain arrangement effectively prevents the escape of odorous gases from the packing, thereby preventing them from polluting the environment. Simultaneously, some odorous gases can follow the inner air curtain into the gas collection hood 309 and, through the second return pipe 310, into the collection pipe 205. This is then processed by the gas treatment mechanism. This not only allows the recycling of hot gases, preventing heat loss, but also purifies the odorous gases carried in the gas, preventing them from polluting the environment.

[0089] When the gas sprayed from nozzle 1 303 changes direction through the connecting cavity 307, the heat in the gas will be transferred to the drying plate 308, causing the drying plate 308 to increase in temperature. The increased temperature drying plate 308 will radiate heat outward, thereby drying the outer layer of filler in the road gap.

[0090] At the same time, the drying balls 402 in the filler will also break due to heat and release heat to further dry the filler, so that the filler surface can harden quickly, thereby greatly improving the drying efficiency of the gap filler, that is, achieving instant thermal drying of the road gap filler.

[0091] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0092] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A road paving device, characterized in that: include: A caulking machine body (1), wherein a caulking mechanism (101) is installed on the caulking machine body (1), and a caulking tube (102) is provided on the caulking mechanism (101); A cleaning mechanism (2) is installed on the caulking mechanism (101), the cleaning mechanism (2) comprises a mounting plate (201), a circulating fan (202) is installed on the mounting plate (201), a cleaning pipe (203) is connected to the circulating fan (202), the cleaning pipe (203) is arranged on one side of the caulking pipe (102), a collecting cover (204) is provided on the side of the cleaning pipe (203) away from the caulking pipe (102), the collecting cover (204) corresponds to the cleaning pipe (203), a collecting pipe (205) is connected to the collecting cover (204), one end of the collecting pipe (205) is connected to a gas processing mechanism, the gas processing mechanism is arranged on the mounting plate (201) and is in communication with the circulating fan (202); The air sealing mechanism (3) is installed on the outside of the caulking pipe (102) and is connected to the cleaning pipe (203).

2. A road paving device according to claim 1, characterized in that: The cleaning pipe (203) is made of a heat-conducting material. A protective cover (207) is provided on the outside of the cleaning pipe (203). The protective cover (207) is provided with a heating wire (208). The heating wire (208) is wound around the outside of the cleaning pipe (203).

3. A road paving device according to claim 2, characterized in that: The gas processing mechanism comprises a processing box (206), the side wall of the processing box (206) is hingedly connected to a cover door, a pair of filter screens (209) are provided in the processing box (206), the mesh ratio of the pair of filter screens (209) is 1:3, and a plurality of activated carbon balls (210) and a plurality of elastic balls (211) are provided on the lower side of the filter screen (209), and the elastic balls (211) are made of high-temperature resistant rubber material.

4. A road paving device according to claim 3, characterized in that: The processing box (206) is further provided with drying cotton (212), and the drying cotton (212) is arranged on the upper side of the filter (209). A return pipe (213) is connected between the processing box (206) and the circulating fan (202).

5. A road paving device according to claim 4, characterized in that: The air sealing mechanism (3) comprises an annular tube (301), a plurality of connecting columns (302) are connected between the annular tube (301) and the caulking mechanism (101), a plurality of nozzles (303) evenly and vertically distributed are connected to the annular tube (301), and a delivery pipe is connected between the annular tube (301) and the cleaning pipe (203).

6. A road paving device according to claim 5, characterized in that: A buffer plate (304) is provided on the lower side of the annular tube (301), and a gas collecting cavity (305) is provided on one side of the buffer plate (304) relative to the annular tube (301). A plurality of nozzles (306) evenly distributed vertically and circumferentially are connected to the buffer plate (304), and the diameter of the circle where the nozzles (306) are located is smaller than the diameter of the annular tube (301). A connecting cavity (307) is connected between the gas collecting cavity (305) and the nozzles (306).

7. A road paving device according to claim 6, characterized in that: A drying plate (308) is installed on the buffer plate (304). The drying plate (308) is arranged on a side of the buffer plate (304) away from the second nozzle (306). The drying plate (308) is made of a heat-conducting material.

8. A road paving device according to claim 7, characterized in that: The inner side of the annular tube (301) is connected to an air collecting hood (309), the air collecting hood (309) corresponds to the second nozzle (306), and a pair of connecting columns (2) are connected between the air collecting hood (309) and the buffer plate (304), and a return pipe (210) is connected between the air collecting hood (309) and the collection pipe (205).

9. A road paving device according to claim 8, characterized in that: The caulking mechanism (101) is further provided with a drying mechanism (4), the drying mechanism (4) comprising a receiving box (401), a drying ball (402) being provided in the receiving box (401), a release tube (403) being connected to the receiving box (401), the release tube (403) being provided inside the buffer plate (304) and being provided far from the caulking tube (102).

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