CN215366659U - Asphalt leveling device for paving - Google Patents

Abstract

A paving asphalt leveling device comprises a fixed plate, wherein a square fixed block is fixedly arranged on the upper portion of the fixed plate, a sliding groove is formed in the square fixed block, a motor base is connected to the upper portion of the fixed plate, a stepping motor is mounted on the upper portion of the motor base, a driving end of the stepping motor is connected with a connecting rod II, the connecting rod II is hinged with a connecting rod I, a connecting rod is connected to the rear surface of the connecting rod I, a bearing is connected to the connecting rod, a sliding block is connected to the rear surface of the bearing and is in sliding connection with the sliding groove, a connecting rod is arranged on the lower portion of the sliding block and is provided with a through hole, the through hole is located right below the connecting rod, the connecting rod penetrates through the through hole and extends to the lower portion of the fixed plate, a material distributing harrow nail is fixedly arranged on the lower portion of the connecting rod, a bearing seat is connected to the lower portion of the fixed plate, a sleeve is connected to the bearing seat, threads are arranged on the inner wall of the sleeve, the threaded hole is opened to the sleeve lateral wall, the sleeve has the screw rod through threaded connection.

Description

Asphalt leveling device for paving

Technical Field

The utility model relates to the technical field of asphalt paving, in particular to an asphalt leveling device for paving.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, is soluble in carbon disulfide, is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking, petroleum pitch is a residue after crude oil distillation, natural pitch is stored underground, some forms a mineral layer or is accumulated on the surface of the earth crust, and pitch is mainly used in the industries of paint, plastics, rubber, etc., and pavements, etc. The prior asphalt leveling device for paving has the following problems: 1. the existing asphalt flattening device is a large-scale machine, is only suitable for large-area pavements, and can only be manually paved on small-area narrow pavements; 2. the laying height cannot be adjusted; 3. before laying, the asphalt needs to be loosened manually.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies in the prior art, the present invention provides a paving asphalt screed that solves the problems set forth in the background.

In order to achieve the purpose, the asphalt leveling device for paving comprises a fixed plate, wherein a square fixed block is fixedly arranged on the upper portion of the fixed plate, a chute is formed in the square fixed block, a motor base is connected to the upper portion of the fixed plate, a stepping motor is mounted on the upper portion of the motor base, a second connecting rod is connected to a driving end of the stepping motor, a first connecting rod is hinged to the second connecting rod, a connecting column is connected to the rear surface of the first connecting rod, a bearing is connected to the connecting column, a slider is connected to the rear surface of the bearing and is slidably connected to the chute, a connecting rod is arranged on the lower portion of the slider, a through hole is formed in the fixed plate and is located under the connecting rod, the connecting rod penetrates through the through hole and extends to the lower portion of the fixed plate, a material distributing rake nail is fixedly arranged on the lower portion of the connecting rod, a bearing seat is connected to the lower portion of the fixed plate, and is connected to a sleeve, the inner wall of the sleeve is provided with threads, the side wall of the sleeve is provided with a threaded hole, the sleeve is connected with a screw through the threads, a paving board is fixedly arranged on the lower wall of the screw, a connecting plate is welded on the lower portion of the fixing plate and provided with a threaded hole, the connecting plate is connected with a fixing bolt through the threads, and the fixing bolt penetrates through the threaded hole in the sleeve and extends into the sleeve;

optionally, at least 4 wheels are arranged at the lower part of the fixing plate, and the wheels facilitate the movement of the fixing plate;

optionally, a push rod is connected to the side wall of the fixing plate away from the square fixing block;

optionally, the sleeve is in over-fit with the bearing seat, and the connecting column is in over-fit with the bearing;

optionally, the bearing seat is disposed adjacent to the push rod.

The utility model adopts the structure to obtain the following beneficial effects: the utility model provides a paving asphalt leveling device, for a narrow and small-area road section, workers push a push rod by hands, a fixing plate moves to a working position through a plurality of groups of wheels, and for the narrow and small road section, the workers can tile asphalt by pushing the fixing plate, so that the labor input is reduced; the sleeve is rotated, the screw rod vertically moves in the sleeve, the screw rod drives the paving board to move, the height from the paving board to the ground is adjusted, the height can be conveniently and freely adjusted, and the application range of the device is enlarged; the crank-slider mechanism is adopted to drive the slider to drive the material-distributing harrow nails to vertically move through the connecting rods so as to disperse asphalt, so that a large amount of labor is not required to disperse asphalt, the labor intensity of workers is reduced, and the paving efficiency is improved; the utility model has simple structure, convenient use, low price and better practicability.

Drawings

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

FIG. 2 is a side view of the slider of the present invention.

The automatic material distributing device comprises a fixing plate 1, a fixing plate 2, a square fixing block 3, a sliding groove 4, a motor base 5, a stepping motor 6, a connecting rod II, a connecting rod I, a connecting rod 8, a connecting column 9, a bearing 10, a sliding block 11, a bearing seat 12, a sleeve 13, a screw rod 14, a paving plate 15, a connecting plate 16, a fixing bolt 17, a connecting rod 18, a through hole 19, a material distributing rake nail 20, a wheel 21 and a push rod.

Detailed Description

The technical solutions of the present invention will be described in further detail with reference to specific implementations, and all the portions of the present invention that are not described in detail in the technical features or the connection relationships of the present invention are the prior art.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, 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 context of the present invention will be understood in a specific context to those skilled in the art.

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

As shown in fig. 1-2, an asphalt leveling device for paving comprises a fixing plate 1, a square fixing block 2 is fixedly arranged on the upper portion of the fixing plate 1, a sliding groove 3 is formed on the square fixing block 2, a motor base 4 is connected to the upper portion of the fixing plate 1, a stepping motor 5 is mounted on the upper portion of the motor base 4, a connecting rod two 6 is connected to the driving end of the stepping motor 5, the connecting rod two 6 is hinged to a connecting rod one 7, a connecting rod 8 is connected to the rear surface of the connecting rod one 7, the connecting rod 8 is connected to a bearing 9, a sliding block 10 is connected to the rear surface of the bearing 9, the sliding block 10 is slidably connected to the sliding groove 3, a connecting rod 17 is arranged on the lower portion of the sliding block 10, a through hole 18 is formed in the fixing plate 1, the through hole 18 is located under the connecting rod 17, the connecting rod 17 extends to the lower portion of the fixing plate 1 through the through hole 18, a material distributing nail 19 is fixedly arranged on the lower portion of the connecting rod 17, the lower portion of the fixing plate 1 is connected with a bearing seat 11, the bearing seat 11 is connected with a sleeve 12, threads are arranged on the inner wall of the sleeve 12, threaded holes are formed in the side wall of the sleeve 12, the sleeve 12 is connected with a screw 13 through the threads, a paving plate 14 is fixedly arranged on the lower wall of the screw 13, a connecting plate 15 is welded on the lower portion of the fixing plate 1, threaded holes are formed in the connecting plate 15, the connecting plate 15 is connected with a fixing bolt 16 through the threads, and the fixing bolt 16 penetrates through the threaded holes in the sleeve 12 and extends into the sleeve 12; the lower part of the fixing plate 1 is at least provided with 4 wheels 20, and the wheels 20 facilitate the movement of the fixing plate 2; the side wall of the fixing plate 1, which is far away from the square fixing block 2, is connected with a push rod 21; the sleeve 12 is in over-fit with the bearing seat 11, and the connecting column 8 is in over-fit with the bearing 9; the bearing housing 11 is arranged close to the push rod 21.

When the asphalt paving machine is used specifically, after a large-area asphalt is paved by a large-scale paving machine, for a narrow and small-area road section, a worker pushes the push rod 21 by hand, the push rod 21 pushes the fixing plate 2 to move, the fixing plate 2 moves to a working position through a plurality of groups of wheels 20, the sleeve 12 rotates on the bearing seat 11, the screw 13 vertically moves in the sleeve 12, the screw 13 drives the paving plate 14 to move, the height of the paving plate 14 to the ground is adjusted, the fixing bolt 16 is rotated into the sleeve 12, the sleeve 12 is fixed, the stepping motor 5 is started, the stepping motor 5 drives the connecting rod two 6 to rotate, the connecting rod two 6 drives the connecting rod one 7 to move, the connecting rod one 7 drives the connecting column 8 to move, the connecting column 8 drives the sliding block 10 to move through the bearing 9, the sliding block 10 slides on the sliding chute 3, the sliding block 10 drives the material distributing harrow nails 19 to vertically move through the connecting rod 17 to disperse the asphalt, the paving plate 14 paves the dispersed asphalt.

Claims (5)

1. An asphalt leveling device for paving comprising a fixing plate (1), characterized in that: the fixing plate is characterized in that a square fixing block (2) is fixedly arranged on the upper portion of the fixing plate (1), a sliding groove (3) is formed in the square fixing block (2), the upper portion of the fixing plate (1) is connected with a motor base (4), a stepping motor (5) is installed on the upper portion of the motor base (4), a connecting rod II (6) is connected with a driving end of the stepping motor (5), a connecting rod I (7) is hinged to the connecting rod II (6), a connecting column (8) is connected to the rear surface of the connecting rod I (7), a bearing (9) is connected to the connecting column (8), a sliding block (10) is connected to the rear surface of the bearing (9), the sliding block (10) is in sliding connection with the sliding groove (3), a connecting rod (17) is arranged on the lower portion of the sliding block (10), a through hole (18) is formed in the fixing plate (1), the through hole (18) is located under the connecting rod (17), and the connecting rod (17) penetrates through the through hole (18) and extends to the lower portion of the fixing plate (1), connecting rod (17) lower part is fixed to be equipped with branch material rake nail (19), fixed plate (1) sub-unit connection has bearing frame (11), bearing frame (11) are connected with sleeve (12), sleeve (12) inner wall is equipped with the screw thread, sleeve (12) lateral wall set up threaded hole, sleeve (12) have screw rod (13) through threaded connection, fixed pavement board (14) that is equipped with of screw rod (13) lower wall, fixed plate (1) lower welding has connecting plate (15), connecting plate (15) set up threaded hole, connecting plate (15) have fixing bolt (16) through threaded connection, fixing bolt (16) run through the screw hole on sleeve (12) and extend to inside sleeve (12).

2. An asphalt screed for paving according to claim 1, wherein: the lower part of the fixing plate (1) is at least provided with 4 wheels (20).

3. An asphalt screed for paving according to claim 1, wherein: the side wall of the fixing plate (1) far away from the square fixing block (2) is connected with a push rod (21).

4. An asphalt screed for paving according to claim 1, wherein: the sleeve (12) and the bearing seat (11) are in over-fit, and the connecting column (8) and the bearing (9) are in over-fit.

5. An asphalt screed for paving according to claim 1, wherein: the bearing seat (11) is arranged close to the push rod (21).

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