CN214656452U

CN214656452U - Primary pressing device for rolling pouring type asphalt concrete premixed macadam

Info

Publication number: CN214656452U
Application number: CN202120717136.XU
Authority: CN
Inventors: 文海
Original assignee: Chongqing Wusheng Highway Engineering Co ltd
Current assignee: Chongqing Wusheng Highway Engineering Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-09
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a roll formula asphalt concrete premixed rubble and just press device, roll formula asphalt concrete premixed rubble and just press device includes: the roller is used for rolling the premixed macadam, and the rotating shaft is used for enhancing the rolling stability of the roller; the two support columns are symmetrically arranged on two sides of the roller, and each support column is provided with a sliding chute for the rotation shaft to move up and down; and the two driving mechanisms are respectively arranged on the two support columns, and each driving mechanism is used for changing the vertical height of the rotating shaft. The utility model discloses can adjust the distance between gyro wheel and the ready-mixed rubble for the gyro wheel can with the ready-mixed rubble contact of each size, the effect of impressing of all ready-mixed rubbles is better, the high temperature stability of formula asphalt mixing earth can be pour in improvement that can be better.

Description

Primary pressing device for rolling pouring type asphalt concrete premixed macadam

Technical Field

The utility model relates to a construction technical field especially relates to a roll pouring type asphalt concrete premixed rubble and press device just.

Background

The pavement problem of the steel bridge deck is particularly prominent due to special traffic, climate and other conditions in China, and the traffic function of the large-span bridge is seriously influenced by early damage and maintenance of the pavement of the bridge deck. The pouring asphalt concrete technology is from Germany, and is a special asphalt mixture which is mixed at a high temperature, can be paved and molded by depending on the self fluidity without rolling and can reach the specified compactness and flatness.

Research shows that the high-temperature stability of the pouring asphalt concrete can be improved by spreading and pressing the premixed macadam. In the construction process, in order to ensure that the pressing-in depth of the large-particle-size crushed stones meets the requirement of a design file and improve the high-temperature stability, the rollers are moved to press in the premixed crushed stones, but because the vertical heights of the rollers are fixed, the sizes of the premixed crushed stones are different, the rollers cannot be in contact with the premixed crushed stones, and in the process of rolling the premixed crushed stones, the pressing-in effect of part of the premixed crushed stones is poor, so that the high-temperature stability of the pouring type asphalt concrete cannot be better improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, because the vertical height of gyro wheel is fixed, the size of each premixed rubble is also different, causes the gyro wheel can't all contact with each premixed rubble, rolls the in-process of premixed rubble, and partial premixed rubble is impressed the effect and also is relatively poor, leads to the high temperature stability of the improvement formula asphalt concrete that can not be better, and the formula asphalt concrete premixed rubble preliminary press device that rolls that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a roll cast asphalt concrete ready-mixed rubble and press device just, roll cast asphalt concrete ready-mixed rubble and press device just includes:

the roller is used for rolling the premixed macadam, and the rotating shaft is used for enhancing the rolling stability of the roller;

the two support columns are symmetrically arranged on two sides of the roller, and each support column is provided with a sliding chute for the rotation shaft to move up and down;

the two driving mechanisms are respectively arranged on the two supporting columns, and each driving mechanism is used for changing the vertical height of the rotating shaft;

each supporting column is internally provided with an installation cavity for installing the elastic mechanism, and each elastic mechanism is used for the stable movement of the rotating shaft;

the two sliding mechanisms are symmetrically arranged on two sides of the roller and are used for rapidly moving the supporting column;

two stop gear, every stop gear all sets up under the support column, stop gear with slide mechanism uses in the cooperation.

Preferably, each driving mechanism comprises a threaded rod vertically installed in the installation cavity, a moving block used for moving the rotating shaft is arranged on the threaded rod, a limiting rod used for enhancing the moving stability of the moving block is connected to the installation cavity in a sliding mode, and a servo motor used for driving the threaded rod to rotate is installed on the supporting column.

Preferably, each of the elastic mechanisms includes a guide rod penetrating through the rotation shaft, and the guide rod is tightly connected to the rotation shaft by a straight spring.

Preferably, each sliding mechanism comprises a fixing rod transversely arranged on the supporting column, and pulleys used for the movement of the supporting column are rotatably connected to two ends of the fixing rod.

Preferably, each limiting mechanism comprises a guide rail arranged below the supporting column, and two fixing blocks used for limiting the horizontal movement of the pulleys are fixedly arranged in the guide rail.

Preferably, every the support column is kept away from the handle is all installed to one side of gyro wheel, set up the opening of being convenient for to hand on the handle.

Preferably, the rotating shaft is provided with two rectangular blocks for limiting the horizontal movement of the roller, and the two rectangular blocks are symmetrically arranged on two sides of the roller.

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

1. under the driving action of a servo motor, the threaded rod can rotate, the movable block can move in the vertical direction along with the rotation of the threaded rod due to the threaded connection of the movable block and the threaded rod, meanwhile, the limiting rod connected to the movable block slides relative to the supporting column, so that the movable block can move more stably, and the rotating shaft fixedly connected to the movable block can also move in the vertical direction, so that the distance between the roller and the pre-mixed crushed stone can be adjusted, the roller can be in contact with the pre-mixed crushed stones of various sizes, the pressing-in effect of all the pre-mixed crushed stones is good, and the high-temperature stability of the pouring type asphalt concrete can be better improved;

2. when removing the support column, the pulley will take place to slide in the guide rail to it is more convenient to make the staff remove the support column, and the rectangle piece has restricted the moving direction of pulley simultaneously, prevents to remove about the pulley, and the support column will be along the stable removal of guide rail, and the removal orbit of gyro wheel just can not take place the skew yet, is favorable to the gyro wheel can be better impresses the rubble of premixing.

Drawings

Fig. 1 is a schematic perspective view of a rolling pouring type asphalt concrete ready-mixed macadam preliminary pressing device provided by the utility model;

FIG. 2 is a schematic front structural view of a rolling pouring type asphalt concrete ready-mixed macadam preliminary pressing device provided by the utility model;

fig. 3 is a partially enlarged view of a in fig. 2.

In the figure: the device comprises a guide rail 1, a roller 2, a rectangular block 3, a pulley 4, a fixing block 5, a support column 6, a rotating shaft 7, a handle 8, a threaded rod 9, a guide rod 10, a limiting rod 11, a straight spring 12, a moving block 13 and an installation cavity 14.

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.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-3, a roller compacted asphalt concrete ready-mixed macadam preliminary pressing device comprises: the roller 2 is used for rolling the premixed macadam, and the rotating shaft 7 is used for enhancing the rolling stability of the roller 2; the two support columns 6 are symmetrically arranged on two sides of the roller 2, and each support column 6 is provided with a sliding chute for the rotation shaft 7 to move up and down; the two driving mechanisms are respectively arranged on the two supporting columns 6, and each driving mechanism is used for changing the vertical height of the rotating shaft 7; each supporting column 6 is internally provided with an installation cavity 14 for installing an elastic mechanism, and each elastic mechanism is used for stably moving the rotating shaft 7; the two sliding mechanisms are symmetrically arranged on two sides of the roller 2 and are used for quickly moving the supporting column 6; two stop gear, every stop gear all sets up under support column 6, and stop gear and slide mechanism cooperate the use.

Each driving mechanism comprises a threaded rod 9 vertically installed in a mounting cavity 14, a moving block 13 used for moving the rotating shaft 7 is arranged on the threaded rod 9, a limiting rod 11 used for enhancing the moving stability of the moving block 13 is connected to the mounting cavity 14 in a sliding mode, a servo motor used for driving the threaded rod 9 to rotate is installed on the supporting column 6, the driving end of the servo motor is fixedly connected with the threaded rod 9, the threaded rod 9 can rotate in the mounting cavity 14 under the driving action of the servo motor, the moving block 13 in threaded connection with the threaded rod 9 can move in the vertical direction, the rotating shaft 7 can move in the vertical direction along with the fixed connection of the moving block 13 and the rotating block 13, one end of the limiting rod 11 is fixedly connected with the moving block 13, the limiting rod 11 and the inner wall of the mounting cavity 14 can slide relatively along with the movement of the moving block 13, and the moving of the moving block 13 can be more stable, every elastic mechanism all includes guide bar 10 that runs through axis of rotation 7, guide bar 10 is through straight spring 12 and axis of rotation 7 zonulae occludens, because straight spring 12 both ends respectively with guide bar 10 and axis of rotation 7 fixed connection, when gyro wheel 2 is at the pivoted in-process, will and the axis of rotation 7 between bump, axis of rotation 7 is under gyro wheel 2's effort effect, take place relative slip with guide bar 10, straight spring 12 takes place deformation, under the spring action of straight spring 12, can make axis of rotation 7 more stable, can not take place the large amplitude shifting.

Each sliding mechanism comprises a fixed rod transversely arranged on the supporting column 6, the two ends of the fixed rod are rotatably connected with pulleys 4 used for the movement of the supporting column 6, when the supporting column 6 moves, the pulleys 4 rotatably connected with the two ends of the fixed rod rotate, therefore, the movement of the supporting column 6 is more convenient, the movement speed of the supporting column 6 is accelerated, each limiting mechanism comprises a guide rail 1 arranged below the supporting column 6, two fixing blocks 5 used for limiting the horizontal movement of the pulley 4 are fixedly arranged in the guide rail 1, when the pulley 4 slides in the guide rail 1, because the two fixed blocks 5 are fixedly connected in the guide rail 1, the two pulleys 4 slide in the fixed blocks 5, the fixed blocks 5 limit the horizontal movement of the pulleys 4, thereby make pulley 4 more stable when removing, be favorable to gyro wheel 2 can with the abundant contact of ready-mixed rubble, can not take place the dislocation.

Every support column 6 is kept away from one side of gyro wheel 2 and is all installed handle 8, set up the opening of being convenient for to hand on handle 8, when staff moved support column 6, through holding handle 8, it is more convenient to make to remove support column 6, and opening on handle 8 can be used for putting of finger, it is more handy to make to remove support column 6, install two rectangular blocks 3 that are used for restricting 2 horizontal migration of gyro wheel in the axis of rotation 7, two 3 symmetries of rectangular block set up the both sides at gyro wheel 2, because two rectangular blocks 3 of fixed connection in the axis of rotation 7, set up the both sides at gyro wheel 2, can prevent that gyro wheel 2 from prolonging the when 1 direction of guide rail removes, the axis direction at axis of rotation 7 takes place to remove, make the removal orbit of gyro wheel 2 more stable.

In the utility model, when the device is used, the premixed macadam is firstly placed on the asphalt concrete, then the roller 2 is moved right above the asphalt concrete, so that the roller 2 is contacted with the premixed macadam, then two workers respectively hold the opening on the handle 8 and move the support column 6, so that the pulley 4 and the guide rail 1 move relatively, the roller 2 arranged on the rotating shaft 7 can roll the premixed macadam for the first time, then the switch of two servo motors is opened simultaneously, because the driving end of each servo motor is fixedly connected with one end of the threaded rod 9, the threaded rod 9 is driven by the servo motors to rotate in the installation cavity 14, because the movable block 13 is connected with the threaded rod 9 through threads, the movable block 13 moves downwards along with the rotation of the threaded rod 9, and the limiting rod 11 fixedly connected with the support column 6 on the threaded rod 9 is connected in a sliding way, make the removal of movable block 13 more stable, thereby make the axis of rotation 7 with movable block 13 fixed connection remove downwards, the gyro wheel 2 of rotating the connection on the axis of rotation 7 also can remove downwards together, thereby make gyro wheel 2 can continue with the contact of ready-mixed rubble, later remove gyro wheel 2 once more, carry out the secondary to the ready-mixed rubble and roll, reduce gyro wheel 2's vertical height in proper order, and remove gyro wheel 2, make in the bituminous mixture earth of impressing that all ready-mixed rubbles can be fine, can not be because the variation in size of ready-mixed rubble, and lead to the poor effect that the ready-mixed rubble impressed.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a roller compacted concrete bituminous concrete premixed rubble is first presses device which characterized in that, roller compacted concrete premixed rubble is first presses device and includes:

the roller (2) is used for rolling the pre-mixed gravel, and the rotating shaft (7) is used for enhancing the rolling stability of the roller (2);

the two supporting columns (6) are symmetrically arranged on two sides of the roller (2), and each supporting column (6) is provided with a sliding groove for enabling the rotating shaft (7) to move up and down;

the two driving mechanisms are respectively arranged on the two supporting columns (6), and each driving mechanism is used for changing the vertical height of the rotating shaft (7);

each supporting column (6) is internally provided with an installation cavity (14) for installing the elastic mechanism, and each elastic mechanism is used for the stable movement of the rotating shaft (7);

the two sliding mechanisms are symmetrically arranged on two sides of the roller (2) and are used for quickly moving the supporting column (6);

and each limiting mechanism is arranged under the support column (6), and the limiting mechanisms are matched with the sliding mechanisms for use.

2. The roller compacted pouring type asphalt concrete pre-mixed gravel primary pressing device according to claim 1, wherein each driving mechanism comprises a threaded rod (9) vertically installed in the installation cavity (14), a moving block (13) used for moving the rotating shaft (7) is arranged on each threaded rod (9), a limiting rod (11) used for enhancing the moving stability of the moving block (13) is connected to the installation cavity (14) in a sliding mode, and a servo motor used for driving the threaded rod (9) to rotate is installed on the supporting column (6).

3. A crush-casting asphalt concrete ready-mixed macadam preliminary press device according to claim 1, characterized in that each of the resilient mechanisms comprises a guide rod (10) penetrating the rotating shaft (7), and the guide rod (10) is tightly connected with the rotating shaft (7) through a straight spring (12).

4. The roller compacted concrete pre-mixed macadam initial compaction device according to claim 1, wherein each sliding mechanism comprises a fixed rod transversely arranged on the support column (6), and pulleys (4) used for moving the support column (6) are rotatably connected to two ends of the fixed rod.

5. The roller compacted pouring type asphalt concrete ready-mixed macadam initial pressing device according to claim 4, wherein each limiting mechanism comprises a guide rail (1) arranged below the supporting column (6), and two fixing blocks (5) used for limiting the horizontal movement of the pulley (4) are fixedly arranged in the guide rail (1).

6. The roller compacted pouring type asphalt concrete ready-mixed macadam initial pressing device according to claim 1, wherein a handle (8) is installed on one side of each supporting column (6) far away from the roller (2), and an opening convenient for holding is formed in each handle (8).

7. The roller compacted concrete pre-mixed macadam initial pressing device according to claim 1, wherein two rectangular blocks (3) for limiting the horizontal movement of the roller (2) are installed on the rotating shaft (7), and the two rectangular blocks (3) are symmetrically arranged on two sides of the roller (2).