CN218596833U

CN218596833U - Highway construction pitch device that paves

Info

Publication number: CN218596833U
Application number: CN202223069964.0U
Authority: CN
Inventors: 刘超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-10
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a highway construction pitch device that paves, include the mounting panel and fix the material push pedal of dialling in the mounting panel bottom, the below of mounting panel is equipped with the gyro wheel that flattens that is located group material push pedal the place ahead, the gyro wheel internal rotation cover that flattens is equipped with the center tube, the equal fixedly connected with extension board in bottom both sides of mounting panel. The utility model discloses a mounting panel, dial the material push pedal, the setting of gyro wheel and four round sleeves that flatten, install the mounting panel on highway construction vehicle by its drive walking, can pave the compaction flattening to pitch, through flexible direction subassembly, screw thread lift drive assembly, the rotary drive subassembly, the setting of rotating sleeve and removal cover, can go up and down to adjust four round sleeves that flatten alone according to actual need and make it not participate in compaction work with the road surface separation, and then realize the effect of the width that flattens according to actual demand adjustment, improve the suitability, satisfy the user demand to different width pitch compactions.

Description

Highway construction pitch device that paves

Technical Field

The utility model relates to a bituminous paving paves equipment technical field, specifically is a highway construction pitch device that paves.

Background

The final procedure of asphalt paving is to compact and level the asphalt on the surface of the road, so as to further improve the flatness of the road surface; the leveling treatment needs a paver, and the asphalt concrete paver generally consists of a host vehicle, a paving plate and a compaction wheel;

the length of a compaction wheel of the existing asphalt paving equipment is fixed and cannot be adjusted, when the asphalt paving equipment is used for repairing narrow construction roads, two sides of the asphalt paving equipment are easy to exceed and are erected by hard ground, the compaction wheels with different sizes need to be disassembled and replaced or asphalt paving equipment with different specifications need to be integrally replaced, the applicability is low, and the using requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway construction pitch device that paves to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a highway construction asphalt paving device comprises a mounting plate and a material stirring push plate fixed at the bottom of the mounting plate, wherein a flattening roller positioned in front of the material stirring push plate is arranged below the mounting plate, the mounting plate is used for being driven to move after being mounted with a highway construction vehicle, the material stirring push plate and the flattening roller are respectively used for flattening asphalt paving when the mounting plate moves, a central tube is sleeved in the flattening roller in a rotating manner, supporting plates are fixedly connected to two sides of the bottom of the mounting plate, flattening width adjusting mechanisms are fixedly connected to the bottoms of the supporting plates, the flattening roller is positioned between the two flattening width adjusting mechanisms, and the flattening width adjusting mechanisms adjust the flattening width;

the flattening width adjusting mechanism comprises two flattening circular sleeves, connecting pipes are arranged in the flattening circular sleeves, one ends, close to each other, of the two adjacent connecting pipes are fixedly connected, one ends, close to each other, of the two connecting pipes in the middle are fixedly connected with two ends of the central pipe respectively, and the tops of the two connecting pipes on two sides are fixedly connected with the bottoms of the corresponding support plates respectively;

a rotating sleeve is fixedly sleeved in the flattening circular sleeve, a moving sleeve is rotatably sleeved in the rotating sleeve, two telescopic guide assemblies are arranged between the outer side of each connecting pipe and the inner wall of the corresponding moving sleeve, and the telescopic guide assemblies are used for vertically guiding the moving sleeves;

a thread lifting driving assembly is rotatably connected between the top inner wall and the bottom inner wall of the connecting pipe, the top end and the bottom end of the thread lifting driving assembly extend out of the corresponding connecting pipe and are fixedly connected with the top inner wall and the bottom inner wall of the movable sleeve, and the thread lifting driving assembly is used for driving the movable sleeve to move up and down, so that the flattening circular sleeve is further driven to move up and down by the rotating sleeve, and the effect of shortening the integral flattening width is achieved;

the connecting pipe is characterized in that a rotary driving assembly is slidably mounted on the inner wall of the bottom of the connecting pipe, the rotary driving assembly is fixedly sleeved on the corresponding thread lifting driving assembly, a hydraulic cylinder fixedly connected with the left side of the corresponding thread lifting driving assembly is fixedly mounted on the inner wall of the top of the connecting pipe, and the rotary driving assembly is used for driving the thread lifting driving assembly to rotate.

Preferably, the telescopic guide assembly comprises an outer pipe and an inner rod, the outer pipe is embedded and fixed on the outer side of the corresponding connecting pipe, the inner rod is sleeved in the corresponding outer pipe in a sliding manner, the repellent ends of the two upper and lower opposite inner rods are fixedly connected with the inner wall of the top and the inner wall of the bottom of the corresponding moving sleeve respectively, and the arranged outer pipe is matched with the inner rod to realize vertical guide of the moving sleeve.

Preferably, the screw thread lifting drive assembly comprises an internal thread sleeve and a screw rod, the internal thread sleeve is rotatably connected between the top inner wall and the bottom inner wall of the corresponding connecting pipe, the screw rod thread sleeve is arranged in the corresponding internal thread sleeve, the top end and the bottom end of the screw rod are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding movable sleeve, the arranged internal thread sleeve is matched with the screw rod, the corresponding screw rod can be driven to move up and down when the internal thread sleeve rotates, and the movable sleeve is driven to move up and down.

Preferably, the rotary driving assembly comprises an L-shaped rod, a rack, a gear and a connecting seat, the L-shaped rod is slidably mounted on the inner wall of the bottom of the corresponding connecting pipe, the rack is embedded and fixed on the front side of the corresponding L-shaped rod, the gear is meshed on the front side of the corresponding rack, the gear is fixedly sleeved on the corresponding internal thread sleeve, the connecting seat is fixedly connected to the left side of the top of the corresponding L-shaped rod, the left side of the connecting seat is fixedly connected with the extending end of the corresponding hydraulic cylinder, the set L-shaped rod, the rack, the gear and the connecting seat are matched, the gear can be driven to rotate when the hydraulic cylinder is started, and the rotation of the driving internal thread sleeve is realized.

Preferably, bolt installation perforation has all been seted up at the top four corners of mounting panel, and the fixed cover is equipped with two support bearing in the gyro wheel that flattens, and the fixed suit in the outside of support bearing's inner circle and center tube.

Preferably, the inner wall of the top and the inner wall of the bottom of the connecting pipe are both provided with movable through holes, and the screw rods are positioned in the corresponding two movable through holes and are not contacted with the inner walls of the movable through holes.

Preferably, the inner wall of the bottom of the connecting pipe is fixedly connected with a T-shaped sliding rail, the bottom end of the L-shaped rod is provided with a T-shaped sliding groove, the two sides of the T-shaped sliding groove are both provided with openings, and the T-shaped sliding groove is connected with the corresponding T-shaped sliding rail in a sliding manner.

Preferably, two rotating bearings are fixedly sleeved in the rotating sleeve, and the inner rings of the rotating bearings are fixedly sleeved with the outer sides of the corresponding moving sleeves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the highway construction asphalt paving device is characterized in that the mounting plate, the material shifting push plate, the flattening rollers, the four flattening circular sleeve support plates, the connecting pipe and the central pipe are matched, when the mounting plate is mounted on a highway construction vehicle and driven to run by the highway construction vehicle, the material shifting push plate can be driven to pave asphalt, and the flattening rollers and the four flattening circular sleeves can be driven to compact and level the asphalt;

2. this road construction pitch device that paves through pneumatic cylinder, connecting pipe, flexible direction subassembly, screw thread lift drive subassembly, rotary drive subassembly, the cooperation of rotating the cover and removing the cover that sets up, can go up and down four round covers that flatten according to actual need alone and make its and road surface separation, with this can select four round covers that flatten to participate in not participating in compaction work, make whole compaction width adjustable, improve the suitability.

The utility model discloses a mounting panel, dial the material push pedal, the setting of gyro wheel and four round sleeves that flatten, install the mounting panel on highway construction vehicle by its drive walking, can pave the compaction flattening to pitch, through flexible direction subassembly, screw thread lift drive assembly, the rotary drive subassembly, the setting of rotating sleeve and removal cover, can go up and down to adjust four round sleeves that flatten alone according to actual need and make it not participate in compaction work with the road surface separation, and then realize the effect of the width that flattens according to actual demand adjustment, improve the suitability, satisfy the user demand to different width pitch compactions.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic cross-sectional structural view of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 100. mounting a plate; 101. flattening rollers; 102. a material poking push plate; 103. a central tube; 1. a support plate; 2. flattening the round sleeve; 3. a connecting pipe; 4. moving the sleeve; 5. rotating the sleeve; 6. an inner rod; 7. an outer tube; 8. a screw; 9. an internal thread sleeve; 10. an L-shaped rod; 11. a rack; 12. a gear; 13. a hydraulic cylinder; 14. a T-shaped slide rail; 15. and rotating the bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the road construction asphalt paving device provided by this embodiment includes a mounting plate 100 and a material pushing plate 102 fixed at the bottom of the mounting plate 100, a leveling roller 101 located in front of the material pushing plate 102 is arranged below the mounting plate 100, four corners of the top of the mounting plate 100 are all provided with bolt mounting through holes, the bolt mounting through holes are arranged to achieve an effect of allowing a person to mount the mounting plate 100 and a road construction vehicle by using an external bolt, the mounting plate 100 is arranged to be driven to move after being mounted with the road construction vehicle, the material pushing plate 102 and the leveling roller 101 are respectively arranged to pave and level asphalt when the mounting plate 100 moves, a central pipe 103 is sleeved in the leveling roller 101 in a rotating manner, two supporting bearings are fixedly sleeved in the leveling roller 101, inner rings of the supporting bearings are fixedly sleeved on outer sides of the central pipe 103, the supporting bearings are arranged to achieve an effect of rotatably supporting the leveling roller 101, both sides of the bottom of the mounting plate 100 are fixedly connected with a support plate 1, a leveling width adjusting mechanism is fixedly connected to the bottom of the support plate 1, the leveling roller 101 is located between the two leveling width adjusting mechanisms, and the leveling width adjusting mechanism adjusts the leveling width;

the flattening width adjusting mechanism comprises two flattening circular sleeves 2, connecting pipes 3 are arranged in the flattening circular sleeves 2, the adjacent ends of the two connecting pipes 3 are fixedly connected, the adjacent ends of the two connecting pipes 3 in the middle are respectively and fixedly connected with the two ends of the central pipe 103, and the tops of the two connecting pipes 3 on the two sides are respectively and fixedly connected with the bottoms of the corresponding support plates 1;

a rotating sleeve 5 is fixedly sleeved in the flattening circular sleeve 2, a moving sleeve 4 is rotatably sleeved in the rotating sleeve 5, two rotating bearings 15 are fixedly sleeved in the rotating sleeve 5, inner rings of the rotating bearings 15 are fixedly sleeved with the outer sides of the corresponding moving sleeves 4, and the effect of rotatably supporting the rotating sleeve 5 is achieved, two telescopic guide assemblies are installed between the outer side of each connecting pipe 3 and the inner wall of the corresponding moving sleeve 4 and used for vertically guiding the moving sleeve 4, each telescopic guide assembly comprises an outer pipe 7 and an inner rod 6, the outer pipes 7 are fixedly embedded in the outer sides of the corresponding connecting pipes 3 in a sliding mode, embedded holes are formed in the top and the bottom of the connecting pipes 3, the inner walls of the embedded holes are fixedly welded to the outer sides of the corresponding outer pipes 7, the outer pipes 7 are fixed to the outer sides of the corresponding connecting pipes 3 through embedded portions Kong Qianzhuang, the inner rods 6 are slidably sleeved in the corresponding outer pipes 7, one ends, repellent to the two inner rods 6, which are opposite up and down, are fixedly connected with the inner walls of the top and the bottom of the corresponding moving sleeves 4 respectively, the arranged outer pipes 7 are matched with the inner rods 6, and the inner pipes are used for realizing vertical guide of the moving sleeves 4 in the corresponding outer pipes 7;

a thread lifting driving component is rotatably connected between the top inner wall and the bottom inner wall of the connecting pipe 3, the top end and the bottom end of the thread lifting driving component both extend out of the corresponding connecting pipe 3 and are fixedly connected with the top inner wall and the bottom inner wall of the movable sleeve 4, the thread lifting driving component is used for driving the movable sleeve 4 to move up and down, wherein the thread lifting driving component comprises an internal thread sleeve 9 and a screw 8, the internal thread sleeve 9 is rotatably connected between the top inner wall and the bottom inner wall of the corresponding connecting pipe 3, wherein the top inner wall and the bottom inner wall of the connecting pipe 3 are both fixedly connected with a first bearing, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the corresponding internal thread sleeve 9, the internal thread sleeve 9 is rotatably connected between the top inner wall and the bottom inner wall of the corresponding connecting pipe 3 through two first bearings, which plays a role of rotatably supporting the internal thread sleeve 9, the screw 8 is threadedly sleeved in the corresponding internal thread sleeve 9, the effect of conveniently driving the screw 8 to move up and down when the internal thread sleeve 9 rotates is achieved by utilizing the threaded connection relationship between the screw 8 and the internal thread sleeve 9, the top end and the bottom end of the screw 8 are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding movable sleeve 4, the top inner wall and the bottom inner wall of the connecting pipe 3 are both provided with movable through holes, the screw 8 is positioned in the two corresponding movable through holes and is not contacted with the inner walls of the movable through holes, which plays a role of allowing the screw 8 to pass through, and the arranged internal thread sleeve 9 is matched with the screw 8, when the internal thread sleeve 9 rotates, the corresponding screw rod 8 can be driven to move up and down, so that the effect of driving the moving sleeve 4 to move up and down is realized, the movable sleeve 4 is utilized to further drive the flattening circular sleeve 2 to move upwards and away from the ground through the rotating sleeve 5, so that the effect of shortening the whole flattening width is achieved;

a rotary driving component is slidably mounted on the inner wall of the bottom of the connecting pipe 3, the rotary driving component is fixedly sleeved on the corresponding thread lifting driving component, a hydraulic cylinder 13 with an extending end fixedly connected with the left side of the corresponding thread lifting driving component is fixedly mounted on the inner wall of the top of the connecting pipe 3, the rotary driving component is used for driving the thread lifting driving component to rotate, the rotary driving component comprises an L-shaped rod 10, a rack 11, a gear 12 and a connecting seat, the L-shaped rod 10 is slidably mounted on the inner wall of the bottom of the corresponding connecting pipe 3, a T-shaped slide rail 14 is fixedly connected on the inner wall of the bottom of the connecting pipe 3, a T-shaped slide groove with two open sides is arranged at the bottom end of the L-shaped rod 10, and the T-shaped slide groove is slidably connected with the corresponding T-shaped slide rail 14, so as to achieve the effect of transversely slidably guiding the L-shaped rod 10, the rack 11 is fixedly embedded in the front side of the corresponding L-shaped rod 10, wherein an embedded groove fixedly connected with the outer side of the corresponding rack 11 is formed in the front side of the L-shaped rod 10, the rack 11 is fixedly embedded in the front side of the corresponding L-shaped rod 10 through the embedded groove, the gear 12 is meshed with the front side of the corresponding rack 11, the gear 12 is fixedly sleeved on the corresponding internal thread sleeve 9, the connecting seat is fixedly connected to the left side of the top of the corresponding L-shaped rod 10, the left side of the connecting seat is fixedly connected with the extending end of the corresponding hydraulic cylinder 13, the arranged L-shaped rod 10, the rack 11, the gear 12 and the connecting seat are matched, the L-shaped rod 10 can move to the right when the hydraulic cylinder 13 is started, the L-shaped rod 10 is rotated through the corresponding rack 11 to drive the gear 12, and accordingly the gear 12 is used for further achieving the effect of driving the internal thread sleeve 9 to rotate; the utility model discloses a mounting panel 100, dial material push pedal 102, the setting of gyro wheel 101 and four round sleeves 2 that flatten, install mounting panel 100 on highway construction vehicle by its drive walking, can pave the compaction flattening to pitch, through flexible direction subassembly, screw thread lift drive assembly, the rotation driving subassembly, the setting of rotating sleeve 5 and removal cover 4, can go up and down to adjust four round sleeves 2 that flatten alone according to actual need makes it not participate in compaction work with the road surface separation, and then realize the effect of the width that flattens according to actual demand adjustment, improve the suitability, satisfy the user demand to different width pitch compactions.

The using method of the embodiment comprises the following steps: when the device is used, the mounting plate 100 is mounted on a public construction vehicle through an external bolt, the highway construction vehicle drives the mounting plate 100 to move when paving and pressing asphalt on a highway, the mounting plate 100 drives the material stirring push plate 102 to push and flatten the asphalt, the mounting plate 100 drives the connecting pipe 3 to move through the two support plates 1, the connecting pipe 3 drives the central pipe 103 to move, the central pipe 103 and the connecting pipe 3 respectively drive the flattening roller 101 and the flattening circular sleeve 2 to move, the flattening roller 101 and the flattening circular sleeve 2 move and rotate at the moment, the flattening circular sleeve 2 drives the corresponding rotating sleeve 5 to rotate through the rotating bearing 15, and the flattening roller 101 and the flattening circular sleeve 2 which rotate and walk at the moment compact the asphalt;

if the paving width is narrow, in order to avoid that hard road surfaces on two sides of a road under repair construction cannot be pressed in real time due to erection, one, two, three or four hydraulic cylinders 13 on the sides can be selected to be started in a positive direction according to the pressing width, the hydraulic cylinders 13 drive corresponding L-shaped rods 10 to slide rightwards on T-shaped slide rails 14, the L-shaped rods 10 drive corresponding racks 11 to move rightwards, the racks 11 drive gears 12 meshed with the racks to rotate, the gears 12 drive corresponding internal thread sleeves 9 to rotate, the internal thread sleeves 9 can drive corresponding screw rods 8 to move upwards through rotation, the screw rods 8 drive corresponding movable sleeves 4 to move upwards, the movable sleeves 4 drive corresponding internal rods 6 to slide upwards in outer pipes 7, meanwhile, the movable sleeves 4 drive the rotary sleeves 5 to move upwards through corresponding two rotary bearings 15, the rotary sleeves 5 drive corresponding pressing round sleeves 2 to be separated upwards from the asphalt ground, the pressing round sleeves are higher than the bottoms of pressing rollers 101, the pressing round sleeves 2 which are improved and separated from the ground can not be pressed, the pressing width can be changed, the pressing width of the four pressing round sleeves 2 can be adjusted according to actual requirements, and the required number of the round sleeves can be adjusted independently according to the requirements, and the required pressing width of the sleeves 2;

when the width needs to be adjusted again, the hydraulic cylinder 13 is started reversely, the movement direction of the hydraulic cylinder 13 is completely opposite to that of the hydraulic cylinder 13, the movable sleeve 4 moves back downwards at the moment, the pressing round sleeve 2 is driven to move back downwards through the corresponding rotary sleeve 5, and the pressing work with large width can be continued.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a highway construction pitch device that paves, includes mounting panel (100) and fixes stirring material push pedal (102) in mounting panel (100) bottom, its characterized in that: a flattening roller (101) positioned in front of the material poking push plate (102) is arranged below the mounting plate (100), a central tube (103) is sleeved in the flattening roller (101) in a rotating manner, support plates (1) are fixedly connected to two sides of the bottom of the mounting plate (100), a flattening width adjusting mechanism is fixedly connected to the bottom of each support plate (1), and the flattening roller (101) is positioned between the two flattening width adjusting mechanisms;

the flattening width adjusting mechanism comprises two flattening circular sleeves (2), connecting pipes (3) are arranged in the flattening circular sleeves (2), one ends, close to each other, of the two adjacent connecting pipes (3) are fixedly connected, one ends, close to each other, of the two connecting pipes (3) in the middle are respectively and fixedly connected with two ends of a central pipe (103), and the tops of the two connecting pipes (3) on the two sides are respectively and fixedly connected with the bottoms of the corresponding support plates (1);

a rotating sleeve (5) is fixedly sleeved in the flattening circular sleeve (2), a moving sleeve (4) is rotatably sleeved in the rotating sleeve (5), and two telescopic guide assemblies are arranged between the outer side of each connecting pipe (3) and the inner wall of the corresponding moving sleeve (4);

a thread lifting driving assembly is rotatably connected between the top inner wall and the bottom inner wall of the connecting pipe (3), and the top end and the bottom end of the thread lifting driving assembly extend out of the corresponding connecting pipe (3) and are fixedly connected with the top inner wall and the bottom inner wall of the movable sleeve (4);

the connecting pipe is characterized in that a rotary driving assembly is slidably mounted on the inner wall of the bottom of the connecting pipe (3), the rotary driving assembly is fixedly sleeved on the corresponding thread lifting driving assembly, and a hydraulic cylinder (13) fixedly connected with the left side of the corresponding thread lifting driving assembly and extending out of the end is fixedly mounted on the inner wall of the top of the connecting pipe (3).

2. The road construction asphalt paving device according to claim 1, characterized in that: the telescopic guide assembly comprises an outer pipe (7) and an inner rod (6), the outer pipe (7) is embedded and fixed on the outer side of the corresponding connecting pipe (3), the inner rod (6) is sleeved in the corresponding outer pipe (7) in a sliding mode, and the repellent ends of the two upper and lower opposite inner rods (6) are fixedly connected with the inner wall of the top and the inner wall of the bottom of the corresponding moving sleeve (4) respectively.

3. The road construction asphalt paving device according to claim 1, characterized in that: the thread lifting driving assembly comprises an internal thread sleeve (9) and a screw rod (8), the internal thread sleeve (9) is rotatably connected between the top inner wall and the bottom inner wall of the corresponding connecting pipe (3), the screw rod (8) is sleeved in the corresponding internal thread sleeve (9) in a threaded manner, and the top end and the bottom end of the screw rod (8) are fixedly connected with the top inner wall and the bottom inner wall of the corresponding moving sleeve (4) respectively.

4. A road construction asphalt paving apparatus as claimed in claim 3, characterized in that: the rotary driving assembly comprises an L-shaped rod (10), a rack (11), a gear (12) and a connecting seat, the L-shaped rod (10) is slidably mounted on the inner wall of the bottom of the corresponding connecting pipe (3), the rack (11) is embedded and fixed on the front side of the corresponding L-shaped rod (10), the gear (12) is meshed on the front side of the corresponding rack (11), the gear (12) is fixedly sleeved on the corresponding internal thread sleeve (9), the connecting seat is fixedly connected to the left side of the top of the corresponding L-shaped rod (10), and the left side of the connecting seat is fixedly connected with the extending end of the corresponding hydraulic cylinder (13).

5. The road construction asphalt paving device according to claim 1, characterized in that: bolt installation is all seted up in the top four corners of mounting panel (100) and is perforated, and the fixed cover is equipped with two support bearing in gyro wheel (101) flattens, and the fixed suit in the outside of support bearing's inner circle and center tube (103).

6. A road construction asphalt paving apparatus as claimed in claim 3, characterized in that: the top inner wall and the bottom inner wall of the connecting pipe (3) are both provided with movable through holes, and the screw rods (8) are positioned in the corresponding two movable through holes and are not in contact with the inner walls of the movable through holes.

7. A road construction asphalt paving device as claimed in claim 4, characterized in that: fixedly connected with T shape slide rail (14) on the bottom inner wall of connecting pipe (3), the T shape spout that both sides are the opening setting is seted up to the bottom of L shape pole (10), and T shape spout and the T shape slide rail (14) sliding connection who corresponds.

8. The road construction asphalt paving device according to claim 1, characterized in that: two rotating bearings (15) are fixedly sleeved in the rotating sleeve (5), and the inner rings of the rotating bearings (15) are fixedly sleeved with the outer sides of the corresponding moving sleeves (4).