Road paving device

By designing the reciprocating movement and lifting mechanism of the flat plate in the road laying device, the problems of pits and protrusions during the mortar laying process are solved, and the road surface is flattened and the leveling effect of adapting to mortars of different thicknesses is achieved.

CN222455763UActive Publication Date: 2025-02-11HEBEI WENZHOU ENGINEERING PROJECT MANAGEMENT CO LTD
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Patent Information

Application Number
CN202420762992.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-02-11
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

Existing road paving devices are prone to pits and protrusions during the mortar laying process, resulting in uneven road surfaces.

Method used

A road paving device is designed, using two flatbeds to move back and forth to push the high mortar to fill the gaps, and the height of the flatbed is adjusted through the lifting mechanism to accommodate mortar of different thicknesses.

Benefits of technology

It effectively avoids pits and protrusions during the laying process of the mortar, ensures that the road surface is flat, and adapts to mortar of different thicknesses for leveling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a road paving device, and particularly relates to the technical field of road paving, the road paving device comprises a bottom plate, a leveling mechanism for leveling paved mortar is arranged at the top of the bottom plate, the leveling mechanism comprises a leveling box arranged at the bottom of the bottom plate, two sides of the interior of the leveling box are movably connected with first threaded rods through bearings, and the first threaded rods are movably connected with second threaded rods through bearings. The ends, away from each other, of the two first threaded rods are in threaded connection with limiting plates, the bottoms of the limiting plates penetrate through the leveling box and extend out of the bottom of the leveling box, leveling plates are fixedly arranged at the bottoms of the limiting plates, and a discharging mechanism for stirring mortar is arranged at the top of the bottom plate. According to the mortar leveling device, the two leveling plates move in a reciprocating mode to push higher mortar to fill gaps, so that pits and protrusions are avoided in the mortar laying process, the height of the leveling plates can be adjusted through the lifting mechanism, and mortar with different thicknesses can be conveniently leveled.
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Description

Technical Field

[0001] The utility model relates to the technical field of road paving, in particular to a road paving device. Background Art

[0002] Municipal bridges and roads all have two layers: roadbed and pavement. The pavement is paved by a road paving device, which pours mortar on the pavement and then levels the mortar to ensure the flatness of the road, allowing cars to drive stably on the road.

[0003] For example, a road bridge paving device provided in the Chinese patent application with application number 202023089748.3 includes a material storage box, a material feeding port is opened on the top of the material storage box, a first pull rod is slidably connected to the top of the material storage box, a first connecting plate is fixedly connected to the top of the first pull rod, and the bottom of the first connecting plate is fixedly connected to a support frame, and the bottom of the support frame is rotatably connected to a sliding rod through a bearing, one end of the sliding rod is fixedly connected to a roller, and the outer wall of the material storage box is rotatably connected to a rotating shaft through a rotating shaft, and the outer wall of the rotating shaft is fixedly connected to a cam, and the other end of the cam is fixedly connected to a first motor body, and the top of the material storage box is slidably connected to a second pull rod. This technical solution uses the first connecting plate, the support frame, the roller, the rotating shaft, the cam, the first motor body and the first motor bracket to prevent the material port from being blocked during paving and discharging, so that the device can better achieve the expected effect when used.

[0004] However, the following problem still exists in this technical solution: in this technical solution, the fallen mortar is flattened by a roller, but pits and protrusions are easily formed in the mortar during the paving process, and flattening in this way can easily lead to an uneven road surface. Utility Model Content

[0005] The utility model aims to provide a road paving device, which can push the raised mortar to fill the gaps through the reciprocating movement of two screed plates, so that no pits and protrusions will appear in the mortar during the paving process. The height of the screed plate can be adjusted through a lifting mechanism, which is convenient for leveling mortars of different thicknesses, so as to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road paving device, including a base plate, a leveling mechanism for leveling the laid mortar is provided on the top of the base plate, the leveling mechanism includes a leveling box arranged at the bottom of the base plate, both sides of the interior of the leveling box are movably connected with first threaded rods through bearings, the ends of the two first threaded rods that are away from each other are threadedly connected to limit plates, the bottom of the limit plate passes through the leveling box and extends out of the bottom of the leveling box, and a leveling plate is fixedly provided at the bottom of the limit plate for leveling the laid mortar.

[0007] Preferably, a feeding mechanism for stirring the mortar is provided on the top of the base plate, and the feeding mechanism includes a feeding barrel fixed to the top of the base plate by a bracket, and a stirring rod is movably connected to the inside of the feeding barrel through a bearing, and three connecting rods are fixedly provided on both sides of the stirring rod, and the ends of the three connecting rods away from the stirring rods are connected to the same scraper, and the ends of the scraper away from the connecting rods are in contact with the inner wall of the feeding barrel, and the top of the stirring rod passes through the feeding barrel and extends out of the top of the feeding barrel, and a second motor is fixedly provided on the top of the stirring rod, and the second motor is fixed to the top of the feeding barrel through a bracket, and is used for stirring the mortar.

[0008] Preferably, the rear end of the first threaded rod passes through the leveling box and extends out of the rear side of the leveling box, a first pulley is provided through the rear end of the first threaded rod, the same first belt is provided on the outside of the two first pulleys, a first motor is fixedly provided at the rear end of one of the first threaded rods, the first motor is fixed to the rear side of the leveling box through a bracket, and is used to drive the two first threaded rods to rotate simultaneously.

[0009] Preferably, the bottom of the discharge barrel is fixedly connected to a first connecting pipe, a switch valve is fixedly provided on the outside of the first connecting pipe, the bottom end of the first connecting pipe is fixedly connected to a second connecting pipe, the bottom of the second connecting pipe is fixedly connected to two discharge pipes, and the top of the discharge barrel is fixedly connected to a feed pipe, which facilitates the entry and discharge of mortar.

[0010] Preferably, a lifting mechanism is provided inside the base plate for driving the leveling mechanism to rise and fall, and the lifting mechanism includes two threaded barrels on the base plate, the bottom ends of the threaded barrels penetrate through the base plate and extend out of the bottom of the base plate, the threaded barrels are movably connected to the base plate via bearings, a second threaded rod is threadedly connected inside the threaded barrel, and the bottom ends of the two second threaded rods are fixedly connected to the top of the leveling box for driving the leveling mechanism to rise and fall.

[0011] Preferably, a fixing mechanism for fixing the leveling box is provided at the top of the base plate, and the fixing mechanism includes two fixing rods arranged on both sides of the top of the leveling box, and a fixing plate is fixedly provided on the top of the base plate, and the top ends of the two fixing rods respectively penetrate through both sides of the fixing plate and extend out of the top of the fixing plate, and a plurality of first plug-in holes are provided on the fixing rods, and second plug-in holes are provided on both sides of the fixing plate, and the same plug-in rod is plugged into the connected first plug-in holes and second plug-in holes for fixing the leveling box.

[0012] Preferably, a first gear is provided through the top of one of the threaded cylinders, a rotating shaft is movably connected to the rear side of the top of the base plate through a bearing, a second gear is provided through the outside of the rotating shaft, the first gear is meshed with the second gear, a third motor is fixedly provided on the top of the rotating shaft, the third motor is fixed to the top of the base plate through a bracket, a second pulley is provided through the bottom ends of the two threaded cylinders, and the same second belt is provided outside the two second pulleys for driving the threaded cylinders to rotate.

[0013] Preferably, movable wheels are fixedly provided on both sides of the bottom of the base plate, and a handle is fixedly provided on the top of the base plate for pushing the utility model.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. Start the first motor, the first motor can drive the first threaded rod to rotate, the rotation of the first threaded rod can drive the limit plate to move, the movement of the limit plate drives the movement of the leveling plate, the reciprocating movement of the two leveling plates can push the raised mortar to fill the gaps, so that no pits and bulges will appear in the mortar during the laying process;

[0016] 2. In order to level mortars of different thicknesses, the third motor is started, and the third motor can drive the rotating shaft to rotate, and the rotating shaft can drive the threaded barrel to rotate, and the rotation of the threaded barrel can drive the second threaded rod to move, and the second threaded rod drives the screed plate to move, and the screed plate is moved to the top of the mortar. The utility model can adjust the height of the screed plate through the lifting mechanism, which is convenient for leveling mortars of different thicknesses;

[0017] 3. During the movement of the leveling box, the fixing rod can be driven to move, and the fixing rod can drive the fixing plate to move. When the height of the leveling box is adjusted, the plug-in rod is inserted into the second plug-in hole and the first plug-in hole on the fixing rod, so that the leveling box can be fixed to prevent the leveling box from sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is a bottom view of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the leveling mechanism of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the lifting mechanism of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the feeding mechanism of the utility model.

[0025] Description of reference numerals:

[0026] 1 bottom plate;

[0027] 2 leveling mechanism, 201 leveling box, 202 first threaded rod, 203 limit plate, 204 leveling plate, 205 first pulley, 206 first belt, 207 first motor;

[0028] 3 unloading mechanism, 301 unloading barrel, 302 stirring rod, 303 connecting rod, 304 scraper, 305 second motor, 306 first connecting pipe, 307 second connecting pipe, 308 discharge pipe, 309 switch valve, 310 feed pipe;

[0029] 4 lifting mechanism, 401 threaded cylinder, 402 second threaded rod, 403 second pulley, 404 second belt, 405 first gear, 406 rotating shaft, 407 second gear, 408 third motor;

[0030] 5 fixing mechanism, 501 fixing rod, 502 fixing plate, 503 first plug hole, 504 second plug hole, 505 plug rod;

[0031] 6 moving wheels, 7 handles. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] The utility model provides Figure 1-6 A road paving device shown includes a base plate 1, with moving wheels 6 fixedly provided on both sides of the bottom of the base plate 1, and a handle 7 fixedly provided on the top of the base plate 1 for pushing the utility model.

[0034] like Figure 6As shown, a feeding mechanism 3 for stirring mortar is provided on the top of the base plate 1, and the feeding mechanism 3 includes a feeding barrel 301 fixed to the top of the base plate 1 by a bracket, and a stirring rod 302 is movably connected to the inside of the feeding barrel 301 through a bearing, and three connecting rods 303 are fixedly provided on both sides of the stirring rod 302, and the ends of the three connecting rods 303 away from the stirring rod 302 are connected to the same scraper 304, and the ends of the scrapers 304 away from the connecting rods 303 are in contact with the inner wall of the feeding barrel 301, and the top of the stirring rod 302 penetrates the feeding barrel 301 and extends out of the top of the feeding barrel 301, and a second motor 305 is fixedly provided on the top of the stirring rod 302, and the second motor 305 is fixed to the top of the feeding barrel 301 through a bracket;

[0035] like Figure 6 As shown, the bottom of the lower material barrel 301 is fixedly connected with a first connecting pipe 306, the first connecting pipe 306 is fixedly provided with a switch valve 309 on the outside, the bottom of the first connecting pipe 306 is fixedly connected with a second connecting pipe 307, the bottom of the second connecting pipe 307 is fixedly connected with two discharge pipes 308, and the top of the lower material barrel 301 is fixedly connected with a feed pipe 310;

[0036] Pour the mortar into the lower material barrel 301 through 10, and then start the second motor 305. The second motor 305 can drive the stirring rod 302 to rotate, and the stirring rod 302 is used to stir the mortar. When the stirring rod 302 rotates, the scraper 304 can be driven to rotate. The scraper 304 can clean the mortar on the inner wall of the lower material barrel 301 to avoid wasting the mortar. Open the switch valve 309, and the mortar inside the lower material barrel 301 enters the first connecting pipe 306, and is finally discharged through the discharge pipe 308 at the bottom of the second connecting pipe 307 and laid on the road.

[0037] like Figure 3 As shown, a leveling mechanism 2 for leveling the laid mortar is provided on the top of the base plate 1, and the leveling mechanism 2 includes a leveling box 201 arranged at the bottom of the base plate 1, and first threaded rods 202 are movably connected to the two sides of the leveling box 201 through bearings, and the ends of the two first threaded rods 202 that are far away are threadedly connected to the limiting plate 203, and the bottom of the limiting plate 203 penetrates the leveling box 201 and extends out of the bottom of the leveling box 201, and a leveling plate 204 is fixedly provided at the bottom of the limiting plate 203, and the rear end of the first threaded rod 202 penetrates the leveling box 201 and extends out of the rear side of the leveling box 201, and a first pulley 205 is penetrated at the rear end of the first threaded rod 202, and the two first pulleys 205 are provided with the same first belt 206 on the outside, and a first motor 207 is fixedly provided at the rear end of one of the first threaded rods 202, and the first motor 207 is fixed to the rear side of the leveling box 201 through a bracket;

[0038] Start the first motor 207, the first motor 207 can drive the first threaded rod 202 to rotate, and the two first threaded rods 202 can rotate simultaneously under the action of the first belt 206 and the first pulley 205. The rotation of the first threaded rod 202 can drive the limit plate 203 to move, and the movement of the limit plate 203 drives the smoothing plate 204 to move. The reciprocating movement of the two smoothing plates 204 can push the raised mortar to fill the gaps, so that no pits and protrusions will appear in the mortar during the laying process.

[0039] like Figure 4 As shown, a lifting mechanism 4 for driving the leveling mechanism 2 to rise and fall is provided inside the bottom plate 1, and the lifting mechanism 4 includes two threaded barrels 401 on the bottom plate 1, the bottom ends of the threaded barrels 401 penetrate the bottom plate 1 and extend out of the bottom of the bottom plate 1, the threaded barrel 401 is movably connected to the bottom plate 1 through a bearing, a second threaded rod 402 is threadedly connected inside the threaded barrel 401, and the bottom ends of the two second threaded rods 402 are fixedly connected to the top of the leveling box 201, a first gear 405 is penetrated at the top of one of the threaded barrels 401, a rotating shaft 406 is movably connected to the rear side of the top of the bottom plate 1 through a bearing, a second gear 407 is penetrated outside the rotating shaft 406, the first gear 405 is meshed with the second gear 407, a third motor 408 is fixedly provided on the top of the rotating shaft 406, and the third motor 408 is fixed to the top of the bottom plate 1 through a bracket, a second pulley 403 is penetrated at the bottom ends of the two threaded barrels 401, and the same second belt 404 is provided outside the two second pulleys 403;

[0040] In order to level mortars of different thicknesses, the third motor 408 is started, and the third motor 408 can drive the rotating shaft 406 to rotate, and the rotating shaft 406 can drive the second gear 407 to rotate. The rotation of the second gear 407 can drive the first gear 405 to rotate, and the first gear 405 can drive the threaded cylinder 401 to rotate. The two threaded cylinders 401 can rotate simultaneously under the action of the second pulley 403 and the second belt 404. The rotation of the threaded cylinder 401 can drive the second threaded rod 402 to move, and the second threaded rod 402 drives the leveling plate 204 to move, and the leveling plate 204 is moved to the top of the mortar. The utility model can adjust the height of the leveling plate 204 through the lifting mechanism 4, so as to facilitate the leveling of mortars of different thicknesses.

[0041] like Figure 5As shown, a fixing mechanism 5 for fixing the leveling box 201 is provided on the top of the bottom plate 1, and the fixing mechanism 5 includes two fixing rods 501 provided on both sides of the top of the leveling box 201, and a fixing plate 502 is fixedly provided on the top of the bottom plate 1, and the tops of the two fixing rods 501 respectively penetrate through both sides of the fixing plate 502 and extend out of the top of the fixing plate 502, and a plurality of first plugging holes 503 are provided on the fixing rods 501, and second plugging holes 504 are provided on both sides of the fixing plate 502, and the same plugging rod 505 is plugged into the connected first plugging holes 503 and second plugging holes 504;

[0042] During the movement of the leveling box 201, the fixing rod 501 can be driven to move, and the fixing rod 501 can drive the fixing plate 502 to move. When the height of the leveling box 201 is adjusted, the plug-in rod 505 is inserted into the second plug-in hole 504 and the first plug-in hole 503 on the fixing rod 501, so that the leveling box 201 can be fixed to prevent the leveling box 201 from sliding.

[0043] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A road paving device, comprising a base plate (1), characterized in that: A leveling mechanism (2) for leveling the laid mortar is provided on the top of the base plate (1); The leveling mechanism (2) comprises a leveling box (201) arranged at the bottom of the base plate (1), first threaded rods (202) are movably connected to both sides of the leveling box (201) through bearings, and the ends of the two first threaded rods (202) that are far away from each other are threadedly connected to a limiting plate (203), the bottom of the limiting plate (203) passes through the leveling box (201) and extends out of the bottom of the leveling box (201), and a leveling plate (204) is fixedly provided at the bottom of the limiting plate (203); A feeding mechanism (3) for stirring the mortar is provided on the top of the base plate (1); The top of the bottom plate (1) is provided with a fixing mechanism (5) for fixing the leveling box (201).

2. A road paving device according to claim 1, characterized in that: The rear end of the first threaded rod (202) passes through the leveling box (201) and extends out of the rear side of the leveling box (201); a first belt pulley (205) is provided through the rear end of the first threaded rod (202); the same first belt (206) is provided outside the two first belt pulleys (205); a first motor (207) is fixedly provided at the rear end of one of the first threaded rods (202); and the first motor (207) is fixed to the rear side of the leveling box (201) through a bracket.

3. A road paving device according to claim 1, characterized in that: The unloading mechanism (3) comprises a unloading barrel (301) fixed to the top of the bottom plate (1) by a bracket, a stirring rod (302) is movably connected to the inside of the unloading barrel (301) by a bearing, three connecting rods (303) are fixedly provided on both sides of the stirring rod (302), one end of the three connecting rods (303) away from the stirring rod (302) is connected to the same scraper (304), one end of the scraper (304) away from the connecting rod (303) is in contact with the inner wall of the unloading barrel (301), the top end of the stirring rod (302) passes through the unloading barrel (301) and extends out of the top of the unloading barrel (301), and a second motor (305) is fixedly provided at the top of the stirring rod (302), and the second motor (305) is fixed to the top of the unloading barrel (301) by a bracket.

4. A road paving device according to claim 3, characterized in that: The bottom of the discharge barrel (301) is fixedly connected to a first connecting pipe (306), the outside of the first connecting pipe (306) is fixedly provided with a switch valve (309), the bottom of the first connecting pipe (306) is fixedly connected to a second connecting pipe (307), the bottom of the second connecting pipe (307) is fixedly connected to two discharge pipes (308), and the top of the discharge barrel (301) is fixedly connected to a feed pipe (310).

5. A road paving device according to claim 1, characterized in that: The bottom plate (1) is provided with a lifting mechanism (4) inside for driving the leveling mechanism (2) to rise and fall; The lifting mechanism (4) comprises two threaded cylinders (401) on the base plate (1), the bottom ends of the threaded cylinders (401) penetrate through the base plate (1) and extend out of the bottom of the base plate (1), the threaded cylinders (401) are movably connected to the base plate (1) via bearings, the threaded cylinders (401) are internally threadedly connected to second threaded rods (402), and the bottom ends of the two second threaded rods (402) are fixedly connected to the top of the leveling box (201).

6. A road paving device according to claim 1, characterized in that: The fixing mechanism (5) comprises two fixing rods (501) arranged on both sides of the top of the leveling box (201); a fixing plate (502) is fixedly arranged on the top of the bottom plate (1); the top ends of the two fixing rods (501) respectively penetrate through both sides of the fixing plate (502) and extend out of the top of the fixing plate (502); a plurality of first plugging holes (503) are provided on the fixing rods (501); second plugging holes (504) are provided on both sides of the fixing plate (502); and the same plugging rod (505) is plugged into the connected first plugging holes (503) and second plugging holes (504).

7. A road paving device according to claim 5, characterized in that: A first gear (405) is provided through the top of one of the threaded cylinders (401); a rotating shaft (406) is movably connected to the rear side of the top of the base plate (1) through a bearing; a second gear (407) is provided through the outside of the rotating shaft (406); the first gear (405) is meshed with the second gear (407); a third motor (408) is fixed to the top of the rotating shaft (406); the third motor (408) is fixed to the top of the base plate (1) through a bracket; a second pulley (403) is provided through the bottom ends of the two threaded cylinders (401); and the same second belt (404) is provided outside the two second pulleys (403).

8. A road paving device according to claim 1, characterized in that: Moving wheels (6) are fixedly provided on both sides of the bottom of the base plate (1), and a handle (7) is fixedly provided on the top of the base plate (1).

Citation Information

Patent Citations

  • Pavement paving device for roads and bridges

    CN214362727U