Road surface filling device for highway bridge construction

Abstract

The utility model discloses a highway bridge construction pavement filling device which comprises a bottom plate and an electric heating barrel fixedly installed at the top of the bottom plate, an observation hole is formed in the right side of the top of the bottom plate, the bottom of the electric heating barrel is fixedly communicated with an electric valve, and the left side of the bottom of the bottom plate is rotationally connected with two walking wheels. Two universal wheels are rotatably mounted on the right side of the bottom of the bottom plate, and an electric telescopic rod is fixedly connected to the inner wall of the left side of the observation hole. By arranging a series of structures, the device is convenient to integrally, automatically and quickly blow-clean, suck and collect residues in the pavement cracks and cover and seal the blow-clean and suck positions to prevent impurities from scattering, so that the environmental protection effect and the cleaning effect are improved, and the phenomenon that more impurities are remained in the cracks to influence the filling quality is reduced; and in addition, the crack pouring glue can be directly limited to prevent overflow during filling and can be integrally stricken after filling, the phenomenon that a large amount of crack pouring glue overflows and is wasted due to factors such as negligence is effectively avoided, and the filling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface filling equipment, in particular to a road surface filling device for highway bridge construction. Background Art

[0002] The pavement of highway bridges is usually asphalt pavement, which is paved with asphalt mixture. It has the advantages of good driving comfort, safety, early opening to traffic, and easy maintenance and repair, and is widely used in road construction. Regardless of whether it is a flexible pavement, a semi-rigid pavement, or a rigid composite asphalt pavement, its asphalt surface layer will produce cracks under the action of external environmental factors and loads; in order to prevent external water from entering the pavement through the cracks to damage the pavement structure and reduce the service life of the pavement, the pavement cracks need to be sealed; the crack sealing methods are mainly grouting and sealing, and grouting is to pour the heated grouting glue into the cracks.

[0003] Chinese patent CN219772661U discloses an asphalt pavement crack filling device, comprising a base frame, a discharge hole is formed through the surface of the base frame, an electric heating barrel is fixedly mounted on the upper surface of the base frame, and the electric heating barrel is located directly above the discharge hole, an observation hole is formed through the middle of the base frame, and a rotating seat is mounted on the upper surface of the base frame; through the coordinated arrangement of the rotating seat, the hinged seat, the connecting plate and the electric heating glue filling pipe, when filling the cracks in the pavement, the bottom end of the electric heating glue filling pipe is inserted into the cracks in the pavement, so that the glue in the electric heating barrel flows into the cracks in the pavement through the electric heating hose and the electric heating glue filling pipe, and the filling condition of the glue in the cracks can be observed through the observation hole; through the coordinated arrangement of the vacuum cleaner and the dust hood, the debris or dust in the pavement cracks and the surrounding areas can be adsorbed, so that the filling material can fully contact with the mixture in the cracks to ensure the bonding effect.

[0004] The above technology injects caulking glue into the cracks in the road surface through an electrically heated caulking hose for repair work, and uses a vacuum cleaner and a dust hood to clean up before filling. However, there are the following shortcomings when using it: 1. It is difficult to clean up the deeper impurities in the cracks simply by suction and cleaning through a dust hood on the upper part of the road surface. It is easy for more impurities to remain in the cracks, affecting the quality of filling, and the cleaning effect is not ideal; 2. The caulking glue cannot be directly restricted when injecting material to fill the cracks, and a large amount of caulking glue may overflow and be wasted due to negligence and other factors. In view of this, the present application proposes a road surface filling device for highway bridge construction. Utility Model Content

[0005] The utility model aims to provide a road surface filling device for highway bridge construction to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road bridge construction road filling device, comprising a bottom plate and an electric heating barrel fixedly installed on the top of the bottom plate, an observation hole is opened on the right side of the top of the bottom plate, an electric valve is connected and fixed at the bottom of the electric heating barrel, two running wheels are rotatably connected to the left side of the bottom of the bottom plate, and two universal wheels are rotatably installed on the right side of the bottom of the bottom plate, and the electric heating barrel is used to store the caulking glue used for filling seams during the construction of the road bridge pavement;

[0007] An electric telescopic rod is fixedly connected to the inner wall on the left side of the observation hole, and the extended end of the electric telescopic rod is fixedly connected to the Z-shaped rod. The bottom end of the electric valve is connected to a telescopic anti-overflow material scraper assembly fixedly connected to the right side of the Z-shaped rod. The electric telescopic rod is used to drive the Z-shaped rod to move up and down. The telescopic anti-overflow material scraper assembly is used to fit the road surface to prevent overflow and fill the gap when the Z-shaped rod moves down, and is used to perform integrated scraping and leveling operations when the Z-shaped rod moves after filling.

[0008] The top left side of the base plate is fixedly connected with a suction and blowing slag collecting assembly, the right side of the suction and blowing slag collecting assembly is an air outlet and is connected and fixed with a telescopic cover sealing and blowing assembly, the left side of the suction and blowing slag collecting assembly is connected and fixed with two suction hoses, the bottom ends of the two suction hoses extend into the telescopic cover sealing and blowing assembly, the suction and blowing slag collecting assembly is used to suck and collect impurities through the suction hose, and to seal and blow away the cracks in the road surface through the telescopic cover sealing and blowing assembly after the Z-shaped rod moves downward.

[0009] Preferably, the telescopic anti-overflow scraper assembly includes an outer tube connected and fixed to the bottom of the electric valve, the bottom end of the outer tube passes through the observation hole and extends to the bottom of the bottom plate, and a sliding sleeve is provided inside the outer tube with a filling tube, the left bottom of the filling tube is fixedly connected to the right end of the Z-shaped rod, and a transparent baffle is fixedly provided on the filling tube, and a U-shaped scraper is fixedly connected to the top right side of the transparent baffle, and the bottom of the transparent baffle, the bottom end of the filling tube and the bottom right side of the U-shaped scraper are flush.

[0010] Preferably, the suction and blowing slag collecting assembly includes a slag collecting box fixedly connected to the left side of the top of the base plate, a cover plate is threadedly fixed to the top of the slag collecting box, a U-shaped handle is fixedly connected to the top of the cover plate, a movable sleeve in the slag collecting box is provided with an L-shaped filter plate fixedly connected to the bottom of the cover plate, a powerful fan is embedded and fixed on the right side of the slag collecting box, the left side of the powerful fan is an air inlet and is connected to the interior of the slag collecting box, and the left side of the slag collecting box is connected and fixed to the top ends of two suction hoses.

[0011] Preferably, the telescopic cover sealing and blowing assembly includes a blowing pipe fixedly connected to the left end of the Z-shaped rod, an L-shaped tube is provided in the sliding sleeve of the blowing pipe, the left end of the L-shaped tube is arranged as a cover-shaped structure and is connected and fixed to the air outlet of the powerful blower, a slag blocking cover is provided on the fixed sleeve of the blowing pipe, the bottom ends of the two suction hoses extend into the slag blocking cover, the slag blocking cover is fixedly sleeved on the two suction hoses, and the bottom of the slag blocking cover is 0.3-0.5 cm higher than the bottom position of the transparent baffle.

[0012] Preferably, a battery is fixedly connected to the top right side of the base plate, and the electric telescopic rod, the electric valve and the powerful fan are all electrically connected to the battery.

[0013] Preferably, a trolley handle is fixedly connected to the right side of the electric heating barrel, a feed pipe is fixedly connected to the left side of the top of the electric heating barrel, and a plurality of electric heating plates electrically connected to the battery are embedded and fixed on the side wall of the electric heating barrel.

[0014] Preferably, both sides of the top of the slag collecting box are provided with threaded grooves, knob-type bolts are threadedly sleeved in the threaded grooves, and the top of the cover plate is provided with two threaded holes which are respectively threadedly connected with the corresponding knob-type bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This road bridge construction road filling device can automatically and quickly blow and suck the collected slag in the road cracks before filling through the cooperation of the electric telescopic rod, Z-shaped rod, bottom plate, suction hose, suction and blowing slag collection component and telescopic cover sealing and blowing clearing component, and can prevent a large amount of impurities from floating outward by means of cover sealing when blowing and sucking the collected slag, thereby improving the environmental protection effect, and using the cooperation of blowing and sucking to improve the cleaning effect of the cracks, and reduce the phenomenon that a large number of impurities remaining in the cracks affect the filling quality;

[0017] 2. This road bridge construction road surface filling device, through the cooperation of the set Z-shaped rod, bottom plate, telescopic anti-overflow material scraper assembly, electric valve, electric heating barrel and observation hole, can directly limit the overflow of the grouting material through the transparent baffle contact with the road surface during filling, effectively avoid the phenomenon of large amount of grouting material overflowing and wasting due to negligence and other factors, and can perform the scraping work in one piece when moving after filling, so as to improve the filling effect.

[0018] The utility model is provided with a series of structures, which is convenient for automatically and quickly blowing out and sucking out the collected slag in the road cracks and sealing the blowing and suction positions to prevent impurities from being scattered, thereby improving environmental protection and cleaning effects, reducing the phenomenon that a large number of impurities remain in the cracks and affect the filling quality, and is convenient for directly limiting the overflow of the grouting glue during filling and performing integrated scraping and leveling after filling, effectively avoiding the phenomenon of large amount of overflow and waste of the grouting glue due to negligence and other factors, and improving the filling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a road surface filling device for highway bridge construction proposed by the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the left view structure;

[0021] Figure 3 for Figure 1 Schematic diagram of the structure viewed from above;

[0022] Figure 4 This is a schematic diagram of the main cross-sectional structure of a road bridge construction road surface filling device proposed by the utility model;

[0023] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of part A in the figure.

[0024] In the figure: 1. bottom plate; 101. universal wheel; 102. observation hole; 2. electric heating barrel; 201. electric valve; 3. electric telescopic rod; 4. Z-shaped rod; 5. outer tube; 6. injection tube; 7. transparent baffle; 8. U-shaped scraper; 9. blow-out tube; 10. L-shaped tube; 11. slag shield; 12. slag collecting box; 13. powerful fan; 14. suction hose; 15. cover plate; 16. L-shaped filter plate; 17. U-shaped handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 5 As shown, a road bridge construction road filling device proposed in this embodiment includes a base plate 1 and an electric heating barrel 2 fixedly installed on the top of the base plate 1, an observation hole 102 is opened on the right side of the top of the base plate 1, an electric valve 201 is connected and fixed to the bottom of the electric heating barrel 2, two walking wheels are rotatably connected to the left side of the bottom of the base plate 1, and two universal wheels 101 are rotatably installed on the right side of the bottom of the base plate 1, a cart handle is fixedly connected to the right side of the electric heating barrel 2, and a feed pipe is connected and fixed to the left side of the top of the electric heating barrel 2. The feed pipe is used for personnel to add materials into the electric heating barrel 2, and the electric heating barrel 2 is used to store caulking glue for filling seams during road bridge pavement construction;

[0027] An electric telescopic rod 3 is fixedly connected to the inner wall on the left side of the observation hole 102, and a Z-shaped rod 4 is fixedly connected to the extended end of the electric telescopic rod 3. The bottom end of the electric valve 201 is connected and fixed with a telescopic anti-overflow material scraper assembly fixedly connected to the right side of the Z-shaped rod 4. The electric telescopic rod 3 is used to drive the Z-shaped rod 4 to move up and down. The telescopic anti-overflow material scraper assembly is used to fit the Z-shaped rod 4 to the road surface to prevent overflow and fill the gap when it moves down, and is used to perform integrated scraping and leveling operations when it moves after filling the gap.

[0028] A suction and blowing slag collecting assembly is fixedly connected to the left side of the top of the base plate 1, the right side of the suction and blowing slag collecting assembly is an air outlet and is connected and fixed with a telescopic cover sealing and blowing assembly, and two suction hoses 14 are connected and fixed to the left side of the suction and blowing slag collecting assembly, and the bottom ends of the two suction hoses 14 extend into the telescopic cover sealing and blowing assembly, wherein two movable through holes are provided on the left side of the top of the base plate 1 for the corresponding suction hoses 14 to pass through, and the suction and blowing slag collecting assembly is used to suck and collect impurities through the suction hoses 14, and to seal and blow away the cracks in the road surface through the telescopic cover sealing and blowing assembly after the Z-shaped rod 4 moves downward.

[0029] Specifically, the telescopic anti-overflow scraper assembly includes an outer tube 5 connected and fixed at the bottom of the electric valve 201, the bottom end of the outer tube 5 passes through the observation hole 102 and extends to the bottom of the bottom plate 1, and a sliding sleeve is provided in the outer tube 5. The left bottom of the injection tube 6 is fixedly connected to the right end of the Z-shaped rod 4, and a transparent baffle 7 is fixedly provided on the injection tube 6, wherein the top of the transparent baffle 7 is provided with a set hole fixedly connected to the outside of the injection tube 6, and a U-shaped scraper 8 is fixedly connected to the right side of the top of the transparent baffle 7, and the bottom of the transparent baffle 7, the bottom end of the injection tube 6 and the right side of the bottom of the U-shaped scraper 8 are flush; the outer tube is set 5. The injection tube 6, the transparent baffle 7 and the U-shaped scraper 8 cooperate with each other. When the Z-shaped rod 4 moves downward, the injection tube 6 is driven downward, and the injection tube 6 drives the transparent baffle 7 to move downward and fit the road surface to block and shield the upper part of the crack. When the electric valve 201 is opened, the grouting glue is injected into the road surface crack through the outer tube 5 and the injection tube 6 in sequence to fill the crack. The transparent baffle 7 is used to shield the grouting glue from overflowing at the top to prevent waste due to large amounts of overflow. After filling, when the whole moves to the left, it will drive the transparent baffle 7 to move left along the road surface, and the transparent baffle 7 drives the U-shaped scraper 8 to the left for further direct scraping.

[0030] Furthermore, the suction and blowing slag collection assembly includes a slag collection box 12 fixedly connected to the left side of the top of the bottom plate 1, a cover plate 15 is threadedly fixed on the top of the slag collection box 12, a U-shaped handle 17 is fixedly connected to the top of the cover plate 15, an L-shaped filter plate 16 is movablely sleeved in the slag collection box 12 and fixedly connected to the bottom of the cover plate 15, a powerful fan 13 is embedded and fixed on the right side of the slag collection box 12, the left side of the powerful fan 13 is an air inlet and is connected to the interior of the slag collection box 12, the left side of the slag collection box 12 is connected and fixed to the top ends of two suction hoses 14, a battery is fixedly connected to the right side of the top of the bottom plate 1, the electric telescopic rod 3, the electric valve 201 and the powerful fan 13 are all electrically connected to the battery, which has the effect of supplying power to the electric telescopic rod 3, the electric valve 201 and the powerful fan 13, and a plurality of electrically connected batteries are embedded and fixed on the side wall of the electric heating barrel 2. The connected electric heating plate is used to heat the caulking glue in the electric heating barrel to prevent condensation. Threaded grooves are provided on both sides of the top of the slag collecting box 12. Knob-type bolts are threadedly sleeved in the threaded grooves. Two threaded holes are provided on the top of the cover plate 15, which are threadedly connected to the corresponding knob-type bolts respectively. The threaded connection relationship between the knob-type bolts and the threaded grooves is used to facilitate the release of the lock of the cover plate 15 when the knob-type bolts are reversed, so as to facilitate the subsequent opening of the cover plate 15 and removal of the L-shaped filter plate 16 for cleaning. The slag collecting box 12, cover plate 15, L-shaped filter plate 16 and powerful fan 13 are set to cooperate, and the powerful fan 13 is used to provide suction force to the slag collecting box 12. The suction force sucks impurities at the cracks into the slag collecting box 12 through two suction hoses 14, and the L-shaped filter plate 16 is used to filter, intercept and collect the impurities into the slag collecting box 12.

[0031] Furthermore, the telescopic cover sealing and blowing assembly includes a blowing pipe 9 fixedly connected to the left end of the Z-shaped rod 4, an L-shaped pipe 10 is slidably sleeved in the blowing pipe 9, the left end of the L-shaped pipe 10 is set as a cover-shaped structure and is connected and fixed to the air outlet of the powerful fan 13, wherein an avoidance hole is opened on the left side of the top of the bottom plate 1, the blowing pipe 9 is located in the avoidance hole and does not contact with the avoidance hole, which plays the effect of allowing the blowing pipe 9 to pass through, a slag blocking cover 11 is fixedly sleeved on the blowing pipe 9, the bottom ends of the two suction hoses 14 are extended into the slag blocking cover 11, the slag blocking cover 11 is fixedly sleeved on the two suction hoses 14, wherein two openings are opened on the top inner wall of the slag blocking cover 11, which are respectively connected to the outer wall of the corresponding suction hoses 14 The bottom of the slag cover 11 is 0.3-0.5cm higher than the bottom of the transparent baffle 7 through the penetration hole fixedly connected on the side; the blowing pipe 9, L-shaped pipe 10 and slag cover 11 are coordinated with each other, and the blowing pipe 9 is driven downward when the Z-shaped rod 4 moves downward, and the blowing pipe 9 drives the slag cover 11 close to the road surface. The L-shaped pipe 10 is supplied with air synchronously by the turned-on powerful fan 13, and the wind is blown downward through the blowing pipe 9 to blow out the impurities in the cracks, and the slag cover 11 is used to seal the blown impurities to prevent overflow, and the suction hose 14 is used to directly and stably suck the impurities sealed in the slag cover 11, and the cover sealing and blowing are combined with integrated suction to improve the crack cleaning effect and environmental protection effect.

[0032] The method of using the present embodiment is as follows: when the road bridge construction road surface filling device is used, caulking glue is added into the electric heating barrel 2 in advance, and the electric heating plate is turned on to heat the caulking glue to prevent condensation, the device is pushed onto the road surface of the road bridge to be constructed, and the slag shield 11 is located above the crack to be filled, the electric telescopic rod 3 is started in the positive direction to drive the Z-shaped rod 4 to move downward, the Z-shaped rod 4 drives the blow cleaning pipe 9 to slide downward on the L-shaped pipe 10, the blow cleaning pipe 9 drives the slag shield 11 downward to the road surface position, the slag shield 11 drives the suction hose 14 to move downward, the powerful fan 13 is turned on to suck the slag box 12, and blow air into the L-shaped pipe 10, the wind blows downward into the blow cleaning pipe 9 through the L-shaped pipe 10, and then passes through the blow cleaning pipe 9. Blowing into the cracks in the road surface, the impurities in the cracks can be effectively and quickly blown out by blowing, and the blown impurities are sealed inside the slag cover 11 by using the slag cover 11 to prevent overflow. When suction force is generated in the slag collection box 12, the impurities sealed in the slag cover 11 are sucked through the two suction hoses 14 to achieve the effect of sucking the impurities into the slag collection box 12, and the L-shaped filter plate 16 filters and intercepts the impurities and collects them into the slag collection box 12, so as to achieve the effect of automatically and quickly blowing and sucking the slag in the cracks in the road surface, and can prevent a large amount of impurities from floating outward by using the cover sealing method when blowing and sucking the slag, thereby improving the environmental protection effect, and using the combination of blowing and suction to improve the cleaning effect of the cracks, and reduce the phenomenon that more impurities remain in the cracks and affect the filling quality;

[0033] After cleaning, push the device to the left, so that the device moves to the left as a whole, wherein the Z-shaped rod 4 moves downward and also drives the injection tube 6 to slide downward in the outer tube 5, and the injection tube 6 drives the transparent baffle 7 to move downward until it is in contact with the road surface, and the transparent baffle 7 drives the bottom right side of the U-shaped scraper 8 to be in contact with the road surface, and the personnel observe whether the injection tube 6 is aligned with the crack through the observation hole 102 and the transparent baffle 7, and the personnel can directly push and adjust the device to perform the alignment work, and after alignment, open the electric valve 201, and at this time, the caulking glue enters the injection tube 6 through the electric valve 201 and the outer tube 5 in turn. , and then discharged into the road cracks through the injection pipe 6 for filling work. At this time, the transparent baffle 7 in contact with the road surface can block and shield the upper part of the cracks, and use the transparent baffle 7 to block and prevent overflow of the caulking glue at the upper part, so as to achieve the effect of directly limiting and preventing overflow of the caulking glue during filling and injection, and effectively avoid the phenomenon of large amount of caulking glue overflowing and wasting due to negligence and other factors; after filling, when the device is moved to the left as a whole, it will drive the transparent baffle 7 to move left along the road surface. At this time, the transparent baffle 7 drives the U-shaped scraper 8 to the left for further direct scraping, thereby further improving the filling effect.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A road bridge construction road surface filling device, comprising a base plate (1) and an electric heating bucket (2) fixedly mounted on the top of the base plate (1), characterized in that: An observation hole (102) is provided on the right side of the top of the bottom plate (1); an electric valve (201) is connected and fixed to the bottom of the electric heating bucket (2); two running wheels are rotatably connected to the left side of the bottom of the bottom plate (1); and two universal wheels (101) are rotatably installed on the right side of the bottom of the bottom plate (1); An electric telescopic rod (3) is fixedly connected to the inner wall on the left side of the observation hole (102); the extended end of the electric telescopic rod (3) is fixedly connected to a Z-shaped rod (4); the bottom end of the electric valve (201) is connected to a telescopic anti-overflow material scraper assembly fixedly connected to the right side of the Z-shaped rod (4); The top left side of the bottom plate (1) is fixedly connected with a suction and blowing slag collection component, the right side of the suction and blowing slag collection component is an air outlet and is connected and fixedly connected with a telescopic cover sealing and blowing component, and the left side of the suction and blowing slag collection component is connected and fixedly connected with two suction hoses (14), and the bottom ends of the two suction hoses (14) both extend into the telescopic cover sealing and blowing component.

2. A road bridge construction pavement filling device according to claim 1, characterized in that: The telescopic anti-overflow scraper assembly comprises an outer tube (5) connected and fixed at the bottom of the electric valve (201); the bottom end of the outer tube (5) passes through the observation hole (102) and extends to the bottom of the bottom plate (1); a material injection tube (6) is provided in a sliding sleeve inside the outer tube (5); the left bottom of the material injection tube (6) is fixedly connected to the right end of the Z-shaped rod (4); a transparent baffle (7) is fixedly provided on the material injection tube (6); a U-shaped scraper (8) is fixedly connected to the right side of the top of the transparent baffle (7); the bottom of the transparent baffle (7), the bottom end of the material injection tube (6) and the right side of the bottom of the U-shaped scraper (8) are flush.

3. A road bridge construction road surface filling device according to claim 2, characterized in that: The suction and blowing slag collection assembly comprises a slag collection box (12) fixedly connected to the left side of the top of the base plate (1), a cover plate (15) is threadedly fixed to the top of the slag collection box (12), a U-shaped handle (17) is fixedly connected to the top of the cover plate (15), an L-shaped filter plate (16) is movably sleeved inside the slag collection box (12) and is fixedly connected to the bottom of the cover plate (15), a powerful fan (13) is embedded and fixed on the right side of the slag collection box (12), the left side of the powerful fan (13) is an air inlet and is connected to the inside of the slag collection box (12), and the left side of the slag collection box (12) is connected and fixed to the top ends of two suction hoses (14).

4. A road bridge construction road surface filling device according to claim 3, characterized in that: The telescopic cover sealing and blowing assembly comprises a blowing pipe (9) fixedly connected to the left end of the Z-shaped rod (4), an L-shaped pipe (10) is slidably sleeved inside the blowing pipe (9), the left end of the L-shaped pipe (10) is set as a cover-shaped structure and is connected and fixed to the air outlet of the powerful fan (13), a slag blocking cover (11) is fixedly sleeved on the blowing pipe (9), the bottom ends of two suction hoses (14) extend into the slag blocking cover (11), the slag blocking cover (11) is fixedly sleeved on the two suction hoses (14), and the bottom of the slag blocking cover (11) is 0.3-0.5 cm higher than the bottom position of the transparent baffle (7).

5. A road bridge construction road surface filling device according to claim 3, characterized in that: A storage battery is fixedly connected to the right side of the top of the base plate (1), and the electric telescopic rod (3), the electric valve (201) and the powerful fan (13) are all electrically connected to the storage battery.

6. A road surface filling device for highway bridge construction according to claim 5, characterized in that: The right side of the electric heating barrel (2) is fixedly connected to a trolley handle, the left side of the top of the electric heating barrel (2) is connected and fixed to a feed pipe, and a plurality of electric heating plates electrically connected to the battery are embedded and fixed on the side wall of the electric heating barrel (2).

7. A road bridge construction road surface filling device according to claim 3, characterized in that: The top of the slag collecting box (12) is provided with threaded grooves on both sides, and knob-type bolts are threadedly sleeved in the threaded grooves. The top of the cover plate (15) is provided with two threaded holes respectively threadedly connected to the corresponding knob-type bolts.

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