Paving device for thick-layer cement stabilized graded broken stone base construction

Abstract

The utility model relates to the technical field of road construction equipment, and discloses a paving device for thick-layer cement stabilized graded broken stone base construction, which comprises a frame, a broken stone box and wheels, and a paving mechanism and a compacting mechanism are respectively arranged on the frame; the paving mechanism comprises a supporting frame and a lifting frame, and a hydraulic cylinder is fixedly arranged on the supporting frame. A second motor is started to enable a lifting plate to drive a box body and a pressing plate to ascend and descend, so that the distance between the pressing plate and the ground is adjusted, it is ensured that the pressing plate can flatten the broken stones, a third motor is started to enable a cam to rotate, the cam rotates to extrude a vibration plate, and the vibration plate can vibrate; and under the elastic potential energy of a first spring and a second spring, a pressing plate vibrates up and down in a reciprocating manner, so that the preliminarily flattened broken stones can be further flattened, the compactness of the broken stones is improved, and the construction efficiency of the whole road is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction equipment technical field, concretely is a kind of paving device for thick layer cement stabilized graded macadam base construction. BACKGROUND

[0002] Cement stabilized macadam is with graded macadam as aggregate, uses a certain number of cementitious materials and enough mortar volume to fill the gap of aggregate, according to the embedding and extruding principle paving and pressing, in road construction, thick layer cement stabilized graded macadam base as important load-bearing structure, its construction quality directly influences the service life of pavement and driving safety.

[0003] Chinese patent provides a paving device for highway engineering, and the publication number is CN219824825U, including main frame, the main frame bottom is different and is provided with two pairs of wheels, spray plate and paving assembly, the main frame top is different and is provided with cab, feeding box, water tank and water pump, the feeding box inside symmetry is provided with screw rod, two screw rods one end is fixedly connected with motor, the feeding box top symmetry is provided with support, the feeding box is fixedly connected with feed hopper through support.

[0004] The above device can evenly spread and flatten the gravel, but when compacting the gravel, the rolling compaction method is used to extrude the gravel, which cannot well improve the compactness between the gravel, and multiple flattening is needed for large-area filling engineers, affecting construction efficiency, therefore, a paving device for thick layer cement stabilized graded macadam base construction is needed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a paving device for thick layer cement stabilized graded macadam base construction to solve the problem that the existing device adopts rolling compaction method to extrude gravel when compacting gravel, which cannot well improve the compactness between the gravel, and multiple flattening is needed for large-area filling engineers, affecting construction efficiency.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a paving device for thick layer cement stabilized graded macadam base construction, including frame, macadam tank and wheel, is separately provided with paving mechanism and compaction mechanism on the frame, the paving mechanism includes support frame and lifting frame, is fixedly arranged with hydraulic cylinder on the support frame, the hydraulic cylinder's hydraulic rod slidingly penetrates the support frame and is fixedly connected with the lifting frame, the lifting frame is rotatably connected with the rotating rod, the rotating rod is fixedly sleeved with the uniform material spiral blade, one end of the rotating rod rotatably penetrates the lifting frame and is fixedly connected with the driven belt pulley, is fixedly arranged with first motor on the lifting frame, is fixedly arranged with driving belt pulley on the rotating shaft of the first motor, is arranged with belt in transmission between the driven belt pulley and driving belt pulley, the compaction mechanism includes fixed branch, is rotatably connected with the screw rod in the fixed branch, is screw connected with the lifting plate on the screw rod, one end of the lifting plate is fixedly arranged with the box body, is slidingly connected with the vibrating plate in the box body, is fixedly inserted with the slide rod on the vibrating plate, both ends of the slide rod slidingly penetrate the box body, the slide rod is respectively sleeved with first spring and second spring, the bottom of the slide rod is fixedly arranged with the pressing plate, is fixedly arranged with third motor on the box body, is fixedly arranged with cam on the rotating shaft of the third motor, the cam and vibrating plate extrusion type contact.

[0007] Preferably, the frame is provided with a first groove and a second groove, respectively, the discharge port of the macadam tank is fixedly provided with a discharge valve, the macadam tank is hingedly provided with a tank cover, the tank cover is fixedly provided with a handle, both ends of the macadam tank are fixedly provided with a support column, and the support column is fixedly connected with the frame.

[0008] Preferably, the support frame is fixedly arranged on the frame, the lifting frame is located in the first groove, the lifting frame is fixedly provided with a protective shell, the first motor, the driven belt pulley, the belt and the driving belt pulley are located in the protective shell, and the protective shell is provided with a heat dissipation hole.

[0009] Preferably, the compaction mechanism further comprises a compression roller, the compression roller is rotatably arranged in the second groove, a mud guard is arranged above the compression roller, and the mud guard is fixedly arranged on the frame.

[0010] Preferably, the fixed branch is fixedly arranged on the frame, the bottom end of the screw rod is rotatably connected with the frame, the fixed branch is fixedly provided with a second motor, and the rotating shaft of the second motor rotatably penetrates the fixed branch and is fixedly connected with the screw rod.

[0011] Preferably, a limiting rod is fixedly arranged between the fixed branch and the frame, and the lifting plate is slidingly connected with the limiting rod.

[0012] Preferably, the box is provided with a avoiding slot for avoiding the cam, the upper end of the slide rod is fixedly provided with a limiting block, the first spring is fixedly arranged between the limiting block and the box, and the second spring is fixedly arranged between the box and the vibrating plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1) the paving device for thick layer cement stabilized graded broken stone base construction, through the compression roller, the broken stone that good paving can be preliminary flattened, through the starting of second motor, the lifting plate can drive the box and the compression plate to move up and down, thereby adjusting the interval between the compression plate and the ground, ensuring that the compression plate can flatten the broken stone, through the starting of third motor, the cam rotates, the cam rotates and extrudes the vibrating plate, under the elastic potential of the first spring and the second spring, the compression plate reciprocating vibrates up and down, thereby further flattening the preliminary flattened broken stone, improving the compactness between the broken stones, and further improving the construction efficiency of the whole road.

[0015] 2) the paving device for thick layer cement stabilized graded broken stone base construction, through the hydraulic cylinder control uniform material spiral blade paving treatment depth, the starting of first motor, under the transmission of driving pulley, belt and driven pulley, the rotating rod drives the uniform material spiral blade to rotate, and the uniform material spiral blade can uniformly pave the accumulated broken stone on the ground. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the paving device for thick layer cement stabilized graded broken stone base construction in the utility model embodiment;

[0017] Figure 2 It is a three-dimensional structure schematic view of the broken stone box in the utility model embodiment;

[0018] Figure 3 It is a three-dimensional structure schematic view of the paving mechanism in the utility model embodiment;

[0019] Figure 4 It is a three-dimensional structure schematic view of the compaction mechanism in the utility model embodiment.

[0020] In the figure: 1, frame; 2, gravel box; 21, discharge valve; 22, box cover; 23, handle; 24, support column; 3, wheel; 4, paving mechanism; 401, support frame; 402, lifting frame; 403, hydraulic cylinder; 404, rotating rod; 405, uniform material spiral blade; 406, driven pulley; 407, first motor; 408, protective shell; 409, driving pulley; 410, belt; 411, heat dissipation hole; 5, compaction mechanism; 501, compression roller; 502, fender; 503, fixed support plate; 504, lead screw; 505, second motor; 506, limiting rod; 507, lifting plate; 508, box body; 509, vibration plate; 510, sliding rod; 511, first spring; 512, second spring; 513, limiting block; 514, avoidance groove; 515, third motor; 516, cam; 517, pressing plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] In combination Figures 1-4 A paving device for thick layer cement stabilized graded gravel base construction, comprising a frame 1, a gravel box 2 and a wheel 3, a first recess and a second recess are respectively formed on the frame 1, a discharge valve 21 is fixedly arranged on the discharge port of the gravel box 2, a box cover 22 is hingedly arranged on the gravel box 2, a handle 23 is fixedly arranged on the box cover 22, support columns 24 are fixedly arranged at both ends of the gravel box 2, the support columns 24 are fixedly connected with the frame 1, and a paving mechanism 4 and a compaction mechanism 5 are respectively arranged on the frame 1.

[0024] Referring to Figure 2 and Figure 3, further get, paving mechanism 4 includes support frame 401 and lifting frame 402, support frame 401 is fixedly provided with hydraulic cylinder 403, the hydraulic rod of hydraulic cylinder 403 is slidably penetrated through support frame 401 and is fixedly connected with lifting frame 402, lifting frame 402 is rotatably connected with the rotating rod 404 in, the rotating rod 404 is fixedly provided with the uniform material spiral blade 405 on, one end of rotating rod 404 rotatably penetrates lifting frame 402 and is fixedly connected with driven pulley 406, lifting frame 402 is fixedly provided with first motor 407, the rotating shaft of first motor 407 is fixedly provided with driving pulley 409, driven pulley 406 and driving pulley 409 are transmissionally provided with belt 410 between;Support frame 401 is fixedly arranged on the frame 1, lifting frame 402 is located in the first recess, lifting frame 402 is fixedly provided with protective shell 408, first motor 407, driven pulley 406, belt 410 and driving pulley 409 are all located in the protective shell 408, and the protective shell 408 is provided with heat dissipation hole 411.

[0025] Specifically, the paving depth of the uniform material spiral blade 405 is controlled by the hydraulic cylinder 403, the first motor 407 is started, and the rotating rod 404 drives the uniform material spiral blade 405 to rotate under the transmission of the driving pulley 409, the belt 410 and the driven pulley 406, and the uniform material spiral blade 405 can uniformly pave the accumulated gravel on the ground.

[0026] Example two

[0027] Reference Figure 2 And Figure 4, further get, compaction mechanism 5 includes fixed support plate 503, fixed support plate 503 is rotatably connected with lead screw 504, the lead screw 504 is threadedly connected with lifting plate 507, one end of lifting plate 507 is fixedly provided with box body 508, the box body 508 is slidably connected with vibrating plate 509, the vibrating plate 509 is fixedly inserted with slide rod 510, both ends of slide rod 510 are slidably penetrated through box body 508, first spring 511 and second spring 512 are respectively sleeved on slide rod 510, the bottom end of slide rod 510 is fixedly provided with pressing plate 517, third motor 515 is fixedly arranged on the box body 508, cam 516 is fixedly arranged on the rotating shaft of third motor 515, cam 516 is in extrusion contact with vibrating plate 509;Compaction mechanism 5 further includes compression roller 501, compression roller 501 is rotatably arranged in the second groove, the upper side of compression roller 501 is provided with fender 502, fender 502 is fixedly arranged on vehicle frame 1, fixed support plate 503 is fixedly arranged on vehicle frame 1, the bottom end of lead screw 504 is rotatably connected with vehicle frame 1, second motor 505 is fixedly arranged on fixed support plate 503, the rotating shaft of second motor 505 is rotatably penetrated through fixed support plate 503 and is fixedly connected with lead screw 504, limiting rod 506 is fixedly arranged between fixed support plate 503 and vehicle frame 1, lifting plate 507 is slidably connected with limiting rod 506, avoiding groove 514 is formed in box body 508 for avoiding cam 516, limiting block 513 is fixedly arranged on the upper end of slide rod 510, first spring 511 is fixedly arranged between limiting block 513 and box body 508, second spring 512 is fixedly arranged between box body 508 and vibrating plate 509.

[0028] Specifically, the crushed stones on the road can be flattened by the compression roller 501, the lifting plate 507 can drive the box body 508 and the pressing plate 517 to move up and down by starting the second motor 505, so as to adjust the distance between the pressing plate 517 and the ground, and ensure that the pressing plate 517 can flatten the crushed stones, the cam 516 rotates by starting the third motor 515, the vibrating plate 509 is extruded by the rotating cam 516, and the pressing plate 517 reciprocates up and down under the elastic potential energy of the first spring 511 and the second spring 512, so as to further flatten the crushed stones, improve the compactness of the crushed stones, and improve the construction efficiency of the whole road.

[0029] In actual operation, the device is moved to the construction position where the crushed stones are needed to be paved, the box cover 22 is opened, and a sufficient amount of crushed stones is poured into the crushed stone box 2, the device is moved along the paving route by using the wheels 3, the crushed stones fall to the ground by opening the discharge valve 21 when moving, the paving depth of the material uniformizing spiral blade 405 is controlled by the hydraulic cylinder 403, the first motor 407 is started, the rotating rod 404 drives the material uniformizing spiral blade 405 to rotate under the transmission of the driving pulley 409, the belt 410 and the driven pulley 406, and the material uniformizing spiral blade 405 can uniformly pave the accumulated crushed stones on the ground.

[0030] When the device moves, the compression roller 501 can preliminarily flatten the laid gravel, the setting of the fender 502 can prevent gravel or soil from splashing on the device to cause pollution, then the second motor 505 is started to rotate the lead screw 504, under the threaded connection of the lead screw 504 and the lifting plate 507, the lifting plate 507 can move up and down under the limiting and guiding of the limiting rod 506, so that the spacing between the pressing plate 517 and the ground can be adjusted, and it is ensured that the pressing plate 517 can flatten the gravel, then the third motor 515 is started to rotate the cam 516, the cam 516 rotates and extrudes the vibration plate 509, under the elastic potential energy of the first spring 511 and the second spring 512, the pressing plate 517 can reciprocate up and down, so that the preliminarily flattened gravel can be further flattened, the compactness between the gravels is improved, and the construction efficiency of the overall road is improved.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A paving device for the construction of a thick layer of cement-stabilized graded crushed stone base, comprising a frame (1), a crushed stone tank (2) and wheels (3), characterized in that: The vehicle frame (1) is respectively provided with a paving mechanism (4) and a compaction mechanism (5); The paving mechanism (4) comprises a support frame (401) and a lifting frame (402), a hydraulic cylinder (403) is fixedly arranged on the support frame (401), a hydraulic rod of the hydraulic cylinder (403) is slidably penetrated through the support frame (401) and is fixedly connected with the lifting frame (402), a rotating rod (404) is rotatably connected in the lifting frame (402), a uniform material spiral blade (405) is fixedly sleeved on the rotating rod (404), one end of the rotating rod (404) is rotatably penetrated through the lifting frame (402) and is fixedly connected with a driven belt pulley (406), a first motor (407) is fixedly arranged on the lifting frame (402), a driving belt pulley (409) is fixedly arranged on a rotating shaft of the first motor (407), and a belt (410) is transmissionally arranged between the driven belt pulley (406) and the driving belt pulley (409). The compaction mechanism (5) comprises a fixed support plate (503), the fixed support plate (503) is rotatably connected with a lead screw (504), the lead screw (504) is threadedly connected with a lifting plate (507), one end of the lifting plate (507) is fixedly provided with a box body (508), the box body (508) is slidably connected with a vibrating plate (509), the vibrating plate (509) is fixedly inserted with a sliding rod (510), both ends of the sliding rod (510) are slidably penetrated through the box body (508), the sliding rod (510) is respectively sleeved with a first spring (511) and a second spring (512), a pressing plate (517) is fixedly arranged at the bottom end of the sliding rod (510), a third motor (515) is fixedly arranged on the box body (508), a cam (516) is fixedly arranged on a rotating shaft of the third motor (515), and the cam (516) is in extrusion contact with the vibrating plate (509).

2. The paving device for construction of a thick layer cement stabilized graded crushed stone base according to claim 1, characterized in that: The vehicle frame (1) is respectively provided with a first groove and a second groove, a discharge valve (21) is fixedly arranged on a discharge port of the gravel box (2), a box cover (22) is hingedly arranged on the gravel box (2), a handle (23) is fixedly arranged on the box cover (22), and support columns (24) are fixedly arranged at both ends of the gravel box (2) and are fixedly connected with the vehicle frame (1).

3. A paving apparatus for the construction of a thick layer cement stabilized graded macadam base according to claim 2, characterized in that: The support frame (401) is fixedly arranged on the vehicle frame (1), the lifting frame (402) is located in the first groove, a protective shell (408) is fixedly arranged on the lifting frame (402), the first motor (407), the driven belt pulley (406), the belt (410) and the driving belt pulley (409) are located in the protective shell (408), and a heat dissipation hole (411) is arranged on the protective shell (408).

4. The paving device for construction of a thick layer cement stabilized graded crushed stone base according to claim 2, characterized in that: The compaction mechanism (5) further comprises a compression roller (501), the compression roller (501) is rotatably arranged in the second groove, a mud guard (502) is arranged above the compression roller (501), and the mud guard (502) is fixedly arranged on the vehicle frame (1).

5. The paving device for construction of a thick layer cement stabilized graded crushed stone base according to claim 1, characterized in that: The fixed support plate (503) is fixedly arranged on the frame (1), the bottom end of the screw rod (504) is rotatably connected with the frame (1), the second motor (505) is fixedly arranged on the fixed support plate (503), and the rotating shaft of the second motor (505) rotatably penetrates the fixed support plate (503) and is fixedly connected with the screw rod (504).

6. A paving apparatus for the construction of a thick layer cement stabilized graded macadam base according to claim 5, characterized in that: The fixed support plate (503) is fixedly arranged between the frame (1) and the limiting rod (506), and the lifting plate (507) is slidably connected with the limiting rod (506).

7. The paving device for construction of a thick layer cement stabilized graded crushed stone base according to claim 1, characterized in that: The box body (508) is provided with an avoiding groove (514) for avoiding the cam (516), the limiting block (513) is fixedly arranged on the upper end of the sliding rod (510), the first spring (511) is fixedly arranged between the limiting block (513) and the box body (508), and the second spring (512) is fixedly arranged between the box body (508) and the vibrating plate (509).

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