CN210420804U

CN210420804U - Asphalt paver

Info

Publication number: CN210420804U
Application number: CN201921157834.8U
Authority: CN
Inventors: 包星火; 李坚锋; 徐丙贤
Original assignee: Zhejiang Pentium Municipal Garden Construction Engineering Co Ltd
Current assignee: Huazi Pentium Construction Engineering Group Co.,Ltd.
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an asphalt paver, which comprises a frame and a hopper, wherein the frame is connected with a bracket in a sliding way, and the bracket is provided with a material pushing part for realizing the uniform distribution of asphalt on the periphery of a well cover and a tamping part for compacting the asphalt; the pushing part comprises two groups of push plates which move relatively, and the bracket is provided with a transmission component which drives the two groups of push plates to move relatively; the tamping part comprises a tamping frame which is connected with the support in a sliding mode along the vertical direction, and a vibration assembly which is used for driving the tamping frame to reciprocate is arranged on the support. Through above-mentioned technical scheme, pitch distributes in well lid peripheral position, and is tamped closely, ensures the smooth effect of the asphalt paving to the well lid position on the road.

Description

Asphalt paver

Technical Field

The utility model belongs to the technical field of the technique of road surface mechanical equipment and specifically relates to a bituminous paving machine is related to.

Background

Road construction is the important constitution in social development, and need use all kinds of mechanical equipment in road construction process, just take an asphalt concrete paver as an example, this kind of device in the market is various now, can satisfy people's user demand basically, and present paver includes scraper conveyor, spiral spreader, screed and vibrating motor, and on pitch carried to the road surface from scraper conveyor, the spiral spreader is rotatory to be shaked up pitch, through screed adjustment pitch thickness, turn on vibrating motor, it is more even with pitch oscillation under the vibrating motor effect.

To above-mentioned problem, the chinese patent that the publication number is CN206971059U authorizes provides an asphalt concrete paver, including drive chassis, scraper conveyor and traction chassis, the drive wheel is all installed to four corners of drive chassis bottom, and the one end at drive chassis top installs the driver's cabin, the carriage is installed to the other end at drive chassis top, and installs first hydraulic telescoping rod on the drive chassis that the carriage is close to driver's cabin one end below, first hydraulic telescoping rod's top is connected with the bottom in carriage, second vibrating motor and the bottom of pulling the support body between the chassis are fixed with the spiral paver through the dead lever, and the second motor is installed to the one end of spiral paver. The utility model discloses a be provided with second hydraulic stretching pole, screed and guide rail, second hydraulic stretching pole is flexible for realize that screed reciprocates along the guide rail, thereby realize adjusting the thickness of the pitch that paves, the use of the device of being convenient for.

The above prior art solutions have the following drawbacks: the underground shaft is generally arranged on the road, the opening position of the underground pipeline is sealed by the well cover, a certain space is left between the peripheral position of the shaft and the ground for filling materials, the asphalt paver has an oscillation effect on the whole road surface, and the asphalt leveling effect on the linear position of the well cover is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an asphalt paving machine, it has the asphalt laying effect to near well lid position.

The utility model discloses a can realize through following technical scheme:

an asphalt paver comprises a rack and a hopper, wherein the rack is connected with a bracket in a sliding manner, and the bracket is provided with a material pushing part for realizing uniform distribution of asphalt on the periphery of a well cover and a tamping part for compacting the asphalt; the pushing part comprises two groups of push plates which move relatively, and the bracket is provided with a transmission component which drives the two groups of push plates to move relatively; the tamping part comprises a tamping frame which is connected with the support in a sliding mode along the vertical direction, and a vibration assembly which is used for driving the tamping frame to reciprocate is arranged on the support.

Through adopting above-mentioned technical scheme, pitch is carried to the road surface on from the hopper in, the scraper conveyor carries pitch to subaerial, pitch distributes in near well lid peripheral position, ensure that the support is located directly over the well lid, under drive assembly's effect, relative motion takes place by the drive for two sets of push pedals, the push pedal is with pitch propelling movement to well lid peripheral position in the motion process, pitch evenly distributed is in well lid peripheral position, the tamping frame is located the well lid directly over the position, under vibration assembly's effect, the tamping effect is realized to the pitch of well lid peripheral position to the tamping frame, ensure that well lid peripheral position pitch is tamped closely, accomplish the work of paving of well lid peripheral pitch.

Further setting the following steps: the drive assembly include with support fixed connection have first motor, with first motor fixed output end fixed connection's double threaded rod and two sets of respectively with double threaded rod both ends threaded connection's slider, the slider with push pedal fixed connection, fixed connection is used for on the support slider sliding connection's slide bar, double threaded rod with the support rotates the connection.

Through adopting above-mentioned technical scheme, first motor drive double threaded rod rotates, and the slider is by the drive motion, and the rotation of slider is restricted by the slide bar, and the slider slides on the slide bar, and two sets of sliders drive two sets of push pedals respectively and take place relative motion and move towards the well lid direction, realize the effect of paving to pitch.

Further setting the following steps: the push pedal cross-section is half circular arc, push pedal cross-section circular arc radius equals well lid terminal surface circular radius, the drive of double-end threaded rod the distance of slider motion equals the push pedal arrives the radial distance of well lid.

Through adopting above-mentioned technical scheme, when two sets of push pedals moved to the position of mutual butt, two sets of push pedals just were located the circumference of well lid terminal surface circle, ensured that pitch distributes in well lid peripheral position, at the reciprocating motion in-process of push pedal, pitch evenly distributed is peripheral at the well lid.

Further setting the following steps: the vibration subassembly include with support fixed connection's second motor, with second motor output fixed connection's cam and with the butt piece of cam butt, the butt piece with tamping frame fixed connection, the cam with the support rotates the connection, the cam rotate the in-process with butt piece butt and drive tamping frame moves towards the top, support fixed connection is used for tamping the gliding bracing piece of frame.

Through adopting above-mentioned technical scheme, the second motor drive cam rotates, and the cam is at the protruding position of rotation in-process and butt piece lower extreme butt, and the butt piece is driven to take place the motion, and under the effect of bracing piece, the frame of tamping is driven towards the upward movement, realizes the tamping action to the peripheral position pitch of well lid, when the frame of tamping moves to the position of strikeing to pitch, the protruding position of cam rotate to the position with butt piece lower extreme butt, realizes the reciprocal impact effect to the frame of tamping.

Further setting the following steps: and an elastic restoring piece is fixedly connected between the support and the lower surface of the tamping frame.

Through adopting above-mentioned technical scheme, when the frame that tamps moved to the top position, elasticity recovery piece was stretched, and under the effect of the original shape of the recovery of elasticity recovery piece, the frame that tamps was driven towards the pitch position and takes place to strike, accomplishes the effect of tamping to pitch.

Further setting the following steps: the thickness of the tamping frame is gradually reduced along the direction towards the asphalt.

Through adopting above-mentioned technical scheme, reduce the area of contact of tamping frame and pitch butt position, increase the impact strength of tamping frame to the pitch position.

Further setting the following steps: the tamping frame and the two groups of push plates are symmetrically arranged relative to the vertical symmetrical plane of the support.

Through adopting above-mentioned technical scheme, two sets of push pedals set up for the vertical plane of symmetry of well lid for the symmetry, ensure that two sets of push pedals are with pitch propelling movement to well lid peripheral position, and the tamping frame sets up for the symmetry for the vertical plane of symmetry of support, ensures that the tamping frame realizes the tamping effect to well lid peripheral position.

Further setting the following steps: the rack is provided with an adjusting rod used for sliding the support, the rack is rotatably connected with a lead screw in threaded connection with the support, the lead screw is fixedly connected with a third motor used for driving the lead screw to rotate towards two opposite directions, and the third motor is fixedly connected with the rack.

Through adopting above-mentioned technical scheme, the well lid distributes in different positions on the road, and in order to ensure that the pitch of the peripheral position of well lid is tamped accurately, the third motor drive lead screw rotates, and the lead screw drives the support and moves on adjusting the pole, and the rotation of support is adjusted the pole restriction, realizes the regulation effect to support and well lid position.

To sum up, the utility model discloses a beneficial technological effect does:

(1) first motor drive double threaded rod rotates, and double threaded rod drives two sets of sliders and slides on the slide bar, and two sets of sliders are followed respectively to two sets of push pedals and are moved in opposite directions, and the push pedal is with pitch propelling movement to well lid peripheral position, accomplishes and lays the effect to the pitch of well lid periphery.

(2) The drive paver motion, the frame that tamps moves directly over the well lid, and second motor drive cam rotates, cam and butt piece butt, cam drive tamp frame move on the bracing piece, and elasticity resumes the piece by tensile, and the frame that tamps is driven towards the peripheral position impact of well lid, realizes that the frame that tamps realizes the impact effect to the pitch of the peripheral position of well lid.

(3) On the road surface is gone up through carrying in the material hopper to the paver, the third motor drive lead screw rotates, and the lead screw drives the support and moves on adjusting the pole, ensures that the support sets up for the symmetry for the vertical plane of symmetry of well lid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the middle body, the support, the tamping part and the pushing part of the present invention;

fig. 3 is a top view of the middle body, the support, the tamping unit and the pushing unit of the present invention.

Reference numerals: 1. a frame; 2. a hopper; 3. a support bar; 4. a third motor; 5. a support; 6. a material pushing section; 7. tamping a real part; 8. pushing the plate; 9. tamping the frame; 10. a first motor; 11. a double-headed threaded rod; 12. a slider; 13. a slide bar; 14. a second motor; 15. a cam; 16. a butting block; 17. an elastic restoring member; 18. adjusting a rod; 19. and a screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an asphalt paving machine, including frame 1, hopper 2, scraper conveyor and screw paver, pitch landing to the scraper conveyor in hopper 2, the scraper conveyor spills pitch on ground, and screw paver is subaerial with pitch evenly distributed at the rotation in-process, is accomplishing pitch laying work through technologies such as tamping, heating, flattening among the prior art, and the specific flow of pitch laying work refers to the chinese patent that patent number is CN 206971059U.

Referring to fig. 1 and 2, in the current road paving work, the shaft circumferential position is filled with filler, in order to realize the flatness of asphalt paving at the position near the well lid, a frame 1 is positioned between a scraper conveyor and a paver and is connected with a support 5 in a sliding manner, the support 5 is connected in a sliding manner along the direction perpendicular to the material conveying direction, in order to realize the uniform asphalt distribution and asphalt compaction of the well lid, a material pushing part 6 for realizing the uniform asphalt distribution of the periphery of the well lid and a compaction part 7 for compacting asphalt are arranged on the support 5, the material pushing part 6 comprises two groups of push plates 8 which move relatively on the support 5, the cross sections of the push plates 8 are in a semi-circular arc shape, the cross section circular radius of the push plates 8 is equal to the circular radius of the end face of the well lid, the two groups of push plates 8 push the asphalt to the.

Referring to fig. 2 and 3, in order to realize the reciprocating motion of the push plate 8 in the direction towards the manhole cover, a transmission assembly for driving two groups of push plates 8 to move relatively is arranged on the support 5, the transmission assembly comprises a first motor 10 fixedly connected with the support 5, a double-threaded rod 11 fixedly connected with the output end of the first motor 10, and two groups of sliders 12 respectively in threaded connection with the double-threaded rod 11, the sliders 12 are fixedly connected with the push plate 8, the double-threaded rod 11 is rotationally connected with the support 5, the rotation directions of thread grooves at two ends of the double-threaded rod 11 are opposite, and when the double-threaded rod 11 rotates, the two groups of sliders 12 move relatively; the support 5 is fixedly connected with a sliding rod 13 used for slidably connecting the two groups of sliding blocks 12, the sliding rod 13 and the double-head threaded rod 11 are arranged in parallel, the length direction of the sliding rod 13 is consistent with that of the double-head threaded rod 11, and the length dimension of the sliding rod 13 is equal to that of the double-head threaded rod 11.

Referring to fig. 2 and 3, a first motor 10 drives a double-threaded rod 11 to rotate, a sliding block 12 is driven to rotate, the rotation of the sliding block 12 is limited by a sliding rod 13, the sliding block 12 moves on the sliding rod 13, the two groups of sliding blocks 12 respectively drive two groups of push plates 8 to move relatively, the push plates 8 push asphalt to the peripheral positions of a well lid in the process of moving towards the well lid direction, the distance of the double-threaded rod 11 driving the sliding block 12 to move is equal to the radial distance from the push plates 8 to the well lid, and the asphalt is uniformly distributed at the peripheral positions of the well lid; the first motor 10 drives the double-end threaded rod 11 to rotate towards the opposite direction, and the sliding block 12 is driven to move towards the opposite direction on the sliding rod 13, so that the reciprocating motion effect of the push plate 8 is realized.

Referring to fig. 2 and 3, when asphalt is distributed on the circumferential side of the well lid, in order to ensure the tamping effect on the asphalt, the tamping part 7 comprises a tamping frame 9 connected with the bracket 5 in a sliding manner along the vertical direction, the tamping frame 9 is annular, the diameter of the inner circle of the end surface of the tamping frame 9 is equal to that of the end surface of the well lid, and the tamping frame 9 realizes the tamping effect on the asphalt at the circumferential position of the well lid; the support 5 is provided with a vibration assembly for driving the tamping frame 9 to reciprocate, the vibration assembly comprises a second motor 14 fixedly connected with the support 5, a cam 15 fixedly connected with the output end of the second motor 14 and an abutting block 16 abutted against the cam 15, the abutting block 16 is fixedly connected with the tamping frame 9, the second motor 14 drives the cam 15 to rotate, the cam 15 abuts against the abutting block 16 in the rotating process, in order to realize the upward movement of the tamping frame 9, the support 5 is fixedly connected with a support rod 3 used for sliding the tamping frame 9, and the support rod 3 is vertically arranged; an elastic restoring piece 17 is fixedly connected between the lower surface of the tamping frame 9 and the bracket 5, under the action of the elastic restoring piece 17, the tamping frame 9 reciprocates in the vertical direction, and an impact acting force is applied to the asphalt surface in the downward movement process of the tamping frame 9.

Referring to fig. 2 and 3, the paver is driven to move to a well lid position, the tamping frame 9 is located above the well lid, the second motor 14 drives the cam 15 to rotate, the cam 15 abuts against the abutting block 16 in the rotating process, the tamping frame 9 moves upwards on the support rod 3, the elastic restoring piece 17 is stretched, the cam 15 continues to rotate, the cam 15 is separated from the abutting block 16, the tamping frame 9 is driven to move downwards under the restoring original shape action of the elastic restoring piece 17, the tamping frame 9 exerts an impact force on asphalt in the moving process of the asphalt, the arc thickness of the tamping frame 9 is gradually reduced along the direction of the asphalt, the contact area between the tamping frame 9 and the asphalt surface is reduced, the impact strength of the tamping frame 9 on the asphalt is increased, and the asphalt near the well lid is guaranteed to be tamped; the abutment plate returns to its position after the asphalt has been impacted by the abutment plate, ensuring that the cam 15 continues to drive the tamper frame 9 upwards.

Referring to fig. 2 and 3, when the paver is used for paving road asphalt, in order to ensure the asphalt construction effect of the tamping frame 9 and the push plates 8 on the well lid, the vertical symmetrical plane of the tamping frame 9 and the vertical symmetrical plane of the bracket 5 are the same plane, the symmetrical planes of the two groups of push plates 8 in the vertical direction and the vertical symmetrical plane of the bracket 5 are the same plane, an adjusting rod 18 for sliding the bracket 5 is arranged on the frame 1, the frame 1 is rotatably connected with a screw rod 19 in threaded connection with the bracket 5, the screw rod 19 is fixedly connected with a third motor 4 for driving the screw rod to rotate towards two opposite directions, and the third motor 4 is fixedly connected with the frame 1; the third motor 4 drives the screw rod 19 to rotate, the screw rod 19 moves the support 5 to move, the support 5 is limited by the adjusting rod 18 to rotate, the support 5 moves on the adjusting rod 18, the length direction of the adjusting rod 18 is consistent with that of the screw rod 19 and is horizontally arranged, the adjusting effect of the relative position of the support 5 and the well lid is achieved, and the vertical symmetrical plane of the support 5 and the vertical symmetrical plane of the well lid are guaranteed to be the same plane.

The implementation principle and the beneficial effects of the embodiment are as follows: the material on the paver is conveyed to the road surface from the hopper 2, the third motor 4 drives the screw rod 19 to rotate, the screw rod 19 drives the support 5 to move on the adjusting rod 18, the support 5 is ensured to be symmetrically arranged relative to the vertical symmetrical plane of the well lid, the first motor 10 drives the double-end threaded rod 11 to rotate, the double-end threaded rod 11 drives the two groups of sliders 12 to slide on the slide rod 13, the two groups of push plates 8 respectively move along with the two groups of sliders 12 in opposite directions, the push plates 8 push the asphalt to the peripheral position of the well lid to drive the paver to move, the tamping frame 9 moves right above the well lid, the second motor 14 drives the cam 15 to rotate, the cam 15 is abutted against the abutting block 16, the cam 15 drives the tamping frame 9 to move on the supporting rod 3, the elastic restoring piece 17 is stretched, under the restoring original shape effect of the elastic restoring piece 17, the tamping frame 9 is driven to impact towards the peripheral position of the well lid, and the tamping, the effect of paving the asphalt on the periphery of the well lid is completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an asphalt paving machine, includes frame (1) and hopper (2), its characterized in that: the frame (1) is connected with a bracket (5) in a sliding way, and the bracket (5) is provided with a material pushing part (6) for realizing uniform distribution of asphalt on the periphery of the well cover and a compaction part (7) for compacting the asphalt;

the pushing part (6) comprises two groups of push plates (8) which move relatively, and a transmission component for driving the two groups of push plates (8) to move relatively is arranged on the bracket (5);

the tamping part (7) comprises a tamping frame (9) which is connected with the support (5) in a sliding mode along the vertical direction, and a vibration component which is used for driving the tamping frame (9) to reciprocate is arranged on the support (5).

2. The asphalt paving machine of claim 1, wherein: drive assembly include with support (5) fixed connection have first motor (10), with first motor (10) fixed output end fixed connection's double threaded rod (11) and two sets of respectively with double threaded rod (11) both ends threaded connection's slider (12), slider (12) with push pedal (8) fixed connection, fixed connection is used for on support (5) slider (12) sliding connection's slide bar (13), double threaded rod (11) with support (5) rotate to be connected.

3. The asphalt paving machine of claim 2, wherein: push pedal (8) cross-section is half circular arc, push pedal (8) cross-section circular arc radius equals well lid terminal surface circular radius, double threaded rod (11) drive the distance of slider (12) motion equals push pedal (8) arrives the radial distance of well lid.

4. The asphalt paving machine of claim 1, wherein: the vibration subassembly include with support (5) fixed connection's second motor (14), with second motor (14) output end fixed connection's cam (15) and with butt piece (16) of cam (15) butt, butt piece (16) with tamp frame (9) fixed connection, cam (15) with support (5) rotate to be connected, cam (15) rotate the in-process with butt piece (16) butt and drive tamp frame (9) move towards the top, support (5) fixedly connected with be used for tamp frame (9) gliding bracing piece (3).

5. The asphalt paving machine of claim 4, wherein: an elastic restoring piece (17) is fixedly connected between the support (5) and the lower surface of the tamping frame (9).

6. The asphalt paving machine of claim 5, wherein: the thickness of the tamping frame (9) is gradually reduced towards the asphalt.

7. The asphalt paving machine of claim 1, wherein: the tamping frame (9) and the two groups of push plates (8) are symmetrically arranged relative to the vertical symmetrical plane of the support (5).

8. The asphalt paving machine of claim 7, wherein: be provided with on frame (1) and be used for gliding regulation pole (18) of support (5), frame (1) rotate be connected with support (5) threaded connection's lead screw (19), lead screw (19) fixedly connected with is used for driving its third motor (4) towards two opposite direction rotations, third motor (4) with frame (1) fixed connection.