阅读说明：本技术 公路工程桥梁施工用桥面整平装置 (Bridge floor leveling device for highway engineering bridge construction ) 是由 刘斌 刘丽媛 王文凯 张学民 王俊利 张俊志 曹长福 安志超 王玉 崔文轩 于 2021-07-31 设计创作，主要内容包括：本发明公开了一种公路工程桥梁施工用桥面整平装置,包括：行驶单元,以及安装在所述行驶单元一侧的预处理单元,且所述预处理单元包括上连接箱；竖向滑动板,其设置在上连接箱的外侧,且所述竖向滑动板的外侧设置有竖向支撑板,竖向支撑板与竖向滑动板固定连接,所述竖向滑动板外侧的上端安装有第一驱动气缸,所述竖向滑动板外侧的下端安装有第二驱动气缸,所述第一驱动气缸和第二驱动气缸与竖向滑动板均通过第一转动件转动连接。其实现了对路面进行整平前预处理的效果,从而有效的避免了在压路机的工作过程中需要施工人员预处理路面,不利于整体施工的问题。(The invention discloses a bridge deck leveling device for highway engineering bridge construction, which comprises: the device comprises a driving unit and a preprocessing unit arranged on one side of the driving unit, wherein the preprocessing unit comprises an upper connecting box; the vertical sliding plate is arranged on the outer side of the upper connecting box, a vertical supporting plate is arranged on the outer side of the vertical sliding plate and fixedly connected with the vertical sliding plate, a first driving air cylinder is installed at the upper end of the outer side of the vertical sliding plate, a second driving air cylinder is installed at the lower end of the outer side of the vertical sliding plate, and the first driving air cylinder and the second driving air cylinder are rotatably connected with the vertical sliding plate through a first rotating piece. The effect of pretreatment before leveling is realized, so that the problem that the whole construction is not facilitated due to the fact that the pavement needs to be pretreated by constructors in the working process of the road roller is effectively solved.)

1. The utility model provides a bridge floor leveling device is used in public road engineering bridge construction, wherein, includes:

the device comprises a driving unit and a preprocessing unit arranged on one side of the driving unit, wherein the preprocessing unit comprises an upper connecting box;

the vertical sliding plate is arranged on the outer side of the upper connecting box, a vertical supporting plate is arranged on the outer side of the vertical sliding plate, the vertical supporting plate is fixedly connected with the vertical sliding plate, a first driving air cylinder is installed at the upper end of the outer side of the vertical sliding plate, a second driving air cylinder is installed at the lower end of the outer side of the vertical sliding plate, and the first driving air cylinder and the second driving air cylinder are rotatably connected with the vertical sliding plate through a first rotating piece;

the pretreatment bucket is arranged at the output rod ends of the first driving cylinder and the second driving cylinder;

the device comprises a pretreatment bucket, a bucket shell, a front baffle, a vertical sliding part, a vertical lifting plate and a lifting plate, wherein the pretreatment bucket is arranged on the inner wall of the bucket shell;

the inner baffle is arranged inside the bucket shell along the inner side of the vertical lifting plate, the inner baffle is fixedly connected with the vertical lifting plate, and the inner baffle is in sliding connection with the inner wall of the bucket shell;

the second middle partition plate is arranged at the upper end inside the bucket shell and fixedly connected with the bucket shell, a second driving screw rod is arranged inside the bucket shell along the inner side of the lower end of the second middle partition plate, and the second driving screw rod is connected with the vertical lifting plate through threads;

and the second driving motor is arranged at the upper end of the inner part of the bucket shell along the second middle partition plate, and an output shaft of the second driving motor is fixedly connected with the second driving screw rod.

2. A bridge deck leveling device for road construction of a bridge as claimed in claim 1, wherein a first inclined portion is provided at an outer side of an inner lower end of the bucket housing, and a second inclined portion is provided at a side of the vertical elevating plate adjacent to the first inclined portion, the first and second inclined portions having the same inclination.

3. A bridge deck leveling device for highway engineering bridge construction as claimed in claim 1, wherein one side of the traveling unit, which is far away from the preprocessing unit, is provided with an auxiliary leveling unit, the auxiliary leveling unit comprises a connecting rectangular body, a third driving motor is installed in the middle of the inside of the connecting rectangular body, the third driving motor is fixed to the inner wall of the connecting rectangular body through a motor bracket, an output shaft end of the third driving motor is fixedly connected with a supporting transverse plate, four corners of the upper end of the supporting transverse plate are provided with third driving cylinders, the tail ends of the third driving cylinders are located inside the connecting rectangular body, and output rod ends of the third driving cylinders are provided with auxiliary leveling assemblies.

4. A bridge deck leveling device for road engineering bridge construction according to claim 3 wherein the auxiliary leveling assembly comprises a fixed base plate, inclined fixed plates are arranged on four sides of the upper end of the fixed base plate, a fixed outer frame is arranged on the upper end of each inclined fixed plate, and the fixed outer frame, the inclined fixed plates and the fixed base plate are fixedly connected with each other.

5. A bridge deck leveling device for road engineering bridge construction according to claim 4, wherein the fixed frame is provided inside with two transverse rods and two longitudinal rods, the transverse rods and the longitudinal rods are fixed with the fixed frame, the transverse rods and the longitudinal rods are arranged perpendicularly to each other in a cross direction, and the output rod end of the third driving cylinder is fixed with the transverse rods and the longitudinal rods.

6. A bridge deck leveling device for highway engineering bridge construction as claimed in claim 3, wherein the auxiliary leveling unit further comprises a connecting member fixed to a side of the traveling unit away from the preprocessing unit, a connecting block is provided on an outer side of the connecting member, a fixing rod is fixedly connected to both upper and lower ends of the connecting block, a plug is fixedly connected to both ends of the fixing rod, a fixing sleeve is provided on an outer side of the fixing rod, the fixing sleeve and the fixing rod are fixed by a screw, a Z-shaped connecting rod is fixedly connected to an outer side of the fixing sleeve, and a connecting rectangular body is fixedly connected to the other end of the Z-shaped connecting rod.

7. A bridge deck leveling device for road engineering bridge construction according to claim 1, wherein the upper connecting box comprises a rectangular outer shell, a first middle partition plate is fixedly connected to the upper end of the inside of the rectangular outer shell, a first driving motor is mounted in the inside of the rectangular outer shell along the middle of the upper end of the first middle partition plate, a first driving screw rod is mounted in the inside of the rectangular outer shell along the lower end of the first middle partition plate and fixed with an output shaft of the first driving motor, and longitudinal sliding rods are mounted in the inside of the rectangular outer shell along two sides of the first driving screw rod.

8. A bridge deck leveling device for road engineering bridge construction according to claim 1, wherein a main leveling unit is provided between the traveling unit and the preprocessing unit, the main leveling unit comprises a support frame and rolling wheels, the rolling wheels are located inside the support frame, the support frame is connected with the traveling unit, and upper junction boxes are located at front and rear ends of an upper end of the support frame.

Technical Field

The invention relates to the technical field related to highway engineering bridge construction, in particular to a bridge deck leveling device for highway engineering bridge construction.

Background

Highway bridge engineering (highway bridge engineering) refers to the whole work of planning, designing, constructing, maintaining, repairing and the like of a structure of a highway crossing over water areas, valleys and all traffic channels. Highway bridge construction includes main bridge (i.e. upper bridge structure and lower bridge structure) construction and auxiliary engineering facilities in the bridge location population. The auxiliary engineering facilities are various, such as structures for regulating and controlling water flow, such as revetments and diversion dikes for keeping stable riverways at bridge positions, approach bridges with bridge heads connected with highways, railings for preventing wheels from colliding on bridge floors, sidewalk railings for ensuring pedestrian safety, on-bridge signs, under-bridge navigation signs, bridge floor lighting equipment and the like. In addition, the bridge in the earthquake region is also provided with a shock-proof device, the suspension cable traction of the cable-stayed bridge is provided with an additional device for preventing pneumatic resonance, the movable bridge is provided with a mechanical device, and the bridge on the ice-flowing river is provided with an ice breaking device and the like. Therefore, bridge engineering is related to structural engineering, foundation engineering, hydraulic engineering and traffic engineering, and related to subjects such as meteorology, hydrology, engineering geology, building materials, testing technology, engineering machinery, aesthetics, environmental protection and the like.

The existing bridge floor leveling device basically performs leveling through a flattening steel roller, but the construction site often has complex conditions, the bridge floor can also have part of construction waste except for paving materials, or the material is paved unevenly to cause the local bulge of the bridge floor, therefore, the staff is often needed to work along with the road roller when the road roller is leveled, the waste is removed or the bulge is excessively shoveled off one part before the road roller is leveled, the working process of the whole press machine needs the staff to pre-treat the road surface, and the whole construction is not facilitated.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

The invention also aims to provide a bridge deck leveling device for highway engineering bridge construction, which realizes the effect of pretreatment before leveling the road surface, thereby effectively avoiding the problem that the whole construction is not facilitated because constructors need to pretreat the road surface in the working process of a road roller.

In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:

the utility model provides a bridge floor leveling device is used in public road engineering bridge construction, includes:

the device comprises a driving unit and a preprocessing unit arranged on one side of the driving unit, wherein the preprocessing unit comprises an upper connecting box;

the vertical sliding plate is arranged on the outer side of the upper connecting box, a vertical supporting plate is arranged on the outer side of the vertical sliding plate, the vertical supporting plate is fixedly connected with the vertical sliding plate, a first driving air cylinder is installed at the upper end of the outer side of the vertical sliding plate, a second driving air cylinder is installed at the lower end of the outer side of the vertical sliding plate, and the first driving air cylinder and the second driving air cylinder are rotatably connected with the vertical sliding plate through a first rotating piece;

the pretreatment bucket is arranged at the output rod ends of the first driving cylinder and the second driving cylinder;

the device comprises a pretreatment bucket, a bucket shell, a front baffle, a vertical sliding part, a vertical lifting plate and a lifting plate, wherein the pretreatment bucket is arranged on the inner wall of the bucket shell;

the inner baffle is arranged inside the bucket shell along the inner side of the vertical lifting plate, the inner baffle is fixedly connected with the vertical lifting plate, and the inner baffle is in sliding connection with the inner wall of the bucket shell;

the second middle partition plate is arranged at the upper end inside the bucket shell and fixedly connected with the bucket shell, a second driving screw rod is arranged inside the bucket shell along the inner side of the lower end of the second middle partition plate, and the second driving screw rod is connected with the vertical lifting plate through threads;

and the second driving motor is arranged at the upper end of the inner part of the bucket shell along the second middle partition plate, and an output shaft of the second driving motor is fixedly connected with the second driving screw rod.

Preferably, a first inclined portion is provided at an outer side of an inner lower end of the bucket housing, a second inclined portion is provided at a side of the vertical elevating plate adjacent to the first inclined portion, and inclinations of the first inclined portion and the second inclined portion are the same.

Preferably, the one side that the preprocessing unit was kept away from to the unit of traveling is provided with assists the flattening unit, assist the flattening unit including connecting the cuboid, connect the inside centre of cuboid and install third driving motor, third driving motor passes through the motor support with the inner wall of being connected the cuboid and fixes, third driving motor's output shaft end fixedly connected with supports the diaphragm, the four corners position of support diaphragm upper end is installed the third and is driven actuating cylinder, and the tail end that the third drove actuating cylinder is located the inside of connecting the cuboid, the output rod end that the third drove actuating cylinder is provided with supplementary flattening subassembly.

Preferably, the auxiliary leveling assembly comprises a fixed base plate, inclined fixed plates are arranged on four sides of the upper end of the fixed base plate, a fixed outer frame is arranged at the upper end of each inclined fixed plate, and the fixed outer frame, the inclined fixed plates and the fixed base plate are fixedly connected with each other.

Preferably, the fixed outer frame is internally provided with two transverse rods and two longitudinal rods, the transverse rods and the longitudinal rods are fixed with the fixed outer frame, the transverse rods and the longitudinal rods are arranged perpendicularly in the cross direction, and the output rod end of the third driving cylinder is fixed with the transverse rods and the longitudinal rods.

Preferably, the auxiliary leveling unit further comprises a connecting piece, the connecting piece is fixed to one side, away from the pretreatment unit, of the traveling unit, a connecting block is arranged on the outer side of the connecting piece, fixing rods are fixedly connected to the upper end and the lower end of the connecting block respectively, plugs are fixedly connected to the two ends of the fixing rods, fixing sleeves are arranged on the outer sides of the fixing rods and fixed to the fixing rods through screws, Z-shaped connecting rods are fixedly connected to the outer sides of the fixing sleeves, and the other ends of the Z-shaped connecting rods are fixedly connected with connecting rectangular bodies.

Preferably, the upper connecting box comprises a rectangular outer shell, a first intermediate baffle is fixedly connected to the upper end inside the rectangular outer shell, a first driving motor is installed inside the rectangular outer shell along the middle of the upper end of the first intermediate baffle, a first driving screw rod is installed inside the rectangular outer shell along the lower end of the first intermediate baffle, the first driving screw rod is fixed with an output shaft of the first driving motor, and longitudinal sliding rods are installed inside the rectangular outer shell along the two sides of the first driving screw rod.

Preferably, be provided with main flattening unit between unit and the preprocessing unit traveles, main flattening unit includes braced frame and rolling wheel, and the rolling wheel is located braced frame's inside, and braced frame and the unit of traveling are connected, go up the front and back both ends that the junction box is located braced frame upper end.

The invention at least comprises the following beneficial effects:

1. in the invention, before the rolling wheel of the leveling device levels, the bridge deck is processed by the pretreatment unit; along with the driving of the driving unit, the pretreatment bucket of the pretreatment unit pushes forwards, the construction waste or the paving material protruding from the surface of the bridge floor is shoveled by the first inclined part and reaches the upper ends of the vertical lifting plate and the first inclined part along the second inclined part of the vertical lifting plate, and after the shoveling, the rolling wheel immediately follows the leveling. When the paved bridge floor moves to the other side, the output rod of the second driving cylinder extends, the output rod of the first driving cylinder contracts, the pretreatment bucket rotates clockwise under the matching of the first rotating piece and the second rotating piece, and the shoveled materials reach the upper end of the vertical lifting plate and are blocked by the front baffle; the second driving motor drives the second driving screw rod to rotate, the vertical lifting plate moves upwards in the bucket shell under the threaded connection effect of the second driving screw rod, the vertical lifting plate reaches between the bucket shell and the vertical sliding part, the shoveled materials are sealed in the bucket shell, and the driving unit drives to the discharge position to carry out shoveled material removal (the vertical lifting plate moves downwards to the inner groove under the effect of the second driving motor, the output rod of the second driving cylinder contracts, the first driving cylinder rotates anticlockwise, and the shoveled materials slide out of the pre-processing bucket). Through the preliminary treatment before the bridge floor flattening, do not need the staff and then road roller work at the road roller flattening, detach rubbish or will cross the bulge and shovel off partly before the road roller flattening, the rolling wheel of being convenient for rolls the flattening bridge floor.

2. According to the invention, a third driving motor in the auxiliary leveling unit drives the supporting transverse plate to rotate, and a third driving cylinder is fixedly arranged at four corners of the upper end of the supporting transverse plate, so that the third driving cylinder rotates along with the rotation; and the output pole extension of third actuating cylinder makes supplementary flattening subassembly contact bridge floor, and supplementary flattening subassembly can flatten the bridge floor after rolling wheel rolls, mainly flattens the vestige that forms between rolling wheel rolling position and the position of not rolling, improves the roughness of bridge floor.

3. According to the invention, the auxiliary leveling component comprises the fixed outer frame, the inclined fixed plate and the fixed base plate, and as the auxiliary leveling component can rotate along with the fixed outer frame, four surfaces fixed with the fixed base plate are set to be inclined surfaces to form the inclined fixed plate, and the inclined surfaces are beneficial to leveling grinding traces.

4. According to the invention, the first driving motor in the upper connecting box drives the first driving screw rod to rotate, so that the vertical sliding plate moves up and down along the first driving screw rod and the longitudinal sliding rod to drive the pretreatment bucket to move up and down, the pretreatment height can be adjusted according to the road surface, and the construction requirements of different bridge floors are met.

Drawings

FIG. 1 is a schematic structural view of a bridge deck leveling device for highway engineering bridge construction provided by the invention;

FIG. 2 is a schematic view showing an internal structure of an upper connection box of a bridge deck leveling device for highway engineering bridge construction according to the present invention;

FIG. 3 is a schematic view of the overall structure of a pre-treatment bucket of a bridge deck leveling device for highway engineering bridge construction according to the present invention;

FIG. 4 is a schematic cross-sectional view illustrating a pre-treatment bucket of a bridge deck leveling device for highway construction according to the present invention;

FIG. 5 is a schematic view showing an overall structure of a connecting rectangular body of a bridge deck leveling device for highway engineering bridge construction according to the present invention;

fig. 6 is a schematic overall structure view of an auxiliary leveling assembly of the bridge deck leveling device for highway engineering bridge construction provided by the invention.

Detailed Description

The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

As shown in fig. 1 to 6, a bridge deck leveling device for road engineering bridge construction includes: a traveling unit 1, and a preprocessing unit 2 installed at one side of the traveling unit 1, and the preprocessing unit 2 includes an upper junction box 5; the vertical sliding plate 6 is arranged on the outer side of the upper connecting box 5, a vertical supporting plate 7 is arranged on the outer side of the vertical sliding plate 6, the vertical supporting plate 7 is fixedly connected with the vertical sliding plate 6, a first driving cylinder 8 is installed at the upper end of the outer side of the vertical sliding plate 6, a second driving cylinder 9 is installed at the lower end of the outer side of the vertical sliding plate 6, and the first driving cylinder 8, the second driving cylinder 9 and the vertical sliding plate 6 are rotatably connected through a first rotating piece 10; a pretreatment bucket 12 provided at the output rod ends of the first and second drive cylinders 8 and 9; the bucket shell 18 is arranged on the pretreatment bucket 12, the output rod ends of the first driving cylinder 8 and the second driving cylinder 9 are rotatably connected with the bucket shell 18 through the second rotating piece 11, the upper end of the outer side surface of the bucket shell 18 is fixedly connected with a front baffle 21, the inner side of the front baffle 21 is integrally connected with a vertical sliding part 22, the inner side surface of the vertical sliding part 22 is vertical, a vertical lifting plate 23 is arranged in the bucket shell 18, an inner groove 20 is arranged at the position, corresponding to the vertical lifting plate 23, of the lower end surface in the bucket shell 18, the cross section size of the inner groove 20 is the same as that of the vertical lifting plate 23, and the vertical lifting plate 23 is in sliding connection with the vertical sliding part 22 and the inner wall of the bucket shell 18; the inner baffle 25 is arranged inside the bucket shell 18 along the inner side of the vertical lifting plate 23, the inner baffle 25 is fixedly connected with the vertical lifting plate 23, and the inner baffle 25 is connected with the inner wall of the bucket shell 18 in a sliding manner; the second middle partition plate 27 is arranged at the upper end inside the bucket shell 18 and is fixedly connected with the bucket shell 18, a second driving screw rod 26 is arranged inside the bucket shell 18 along the inner side of the lower end of the second middle partition plate 27, and the second driving screw rod 26 is connected with the vertical lifting plate 23 through threads; and a second driving motor 28 disposed inside the bucket housing 18 along an upper end of the second intermediate partition 27, an output shaft of the second driving motor 28 being fixedly connected to the second driving screw 26.

In the scheme, before the rolling wheel of the leveling device levels, the bridge deck is processed by the pretreatment unit; along with the running of the running unit, a pretreatment bucket of the pretreatment unit pushes forwards, construction waste or paving materials protruding from the surface of the bridge floor are removed, and after removal, the rolling wheel is leveled immediately. When the paved bridge floor moves to the other side, the output rod of the second driving cylinder extends, the output rod of the first driving cylinder contracts, the pretreatment bucket rotates clockwise under the matching of the first rotating piece and the second rotating piece, and the shoveled materials reach the upper end of the vertical lifting plate and are blocked by the front baffle; the second driving motor drives the second driving screw rod to rotate, the vertical lifting plate moves upwards in the bucket shell under the threaded connection effect of the second driving screw rod, the vertical lifting plate reaches between the bucket shell and the vertical sliding part, the shoveled materials are sealed in the bucket shell, and the driving unit drives to the discharge position to carry out shoveled material removal (the vertical lifting plate moves downwards to the inner groove under the effect of the second driving motor, the output rod of the second driving cylinder contracts, the first driving cylinder rotates anticlockwise, and the shoveled materials slide out of the pre-processing bucket). Through the preliminary treatment before the bridge floor flattening, do not need the staff and then road roller work at the road roller flattening, detach rubbish or will cross the bulge and shovel off partly before the road roller flattening, the rolling wheel of being convenient for rolls the flattening bridge floor.

In a preferable scheme, a first inclined part 19 is arranged on the outer side of the inner lower end of the bucket shell 18, a second inclined part 24 is arranged on one side, close to the first inclined part 19, of the vertical lifting plate 23, and the inclination of the first inclined part 19 and the inclination of the second inclined part 24 are the same.

In the scheme, the construction waste or the paving material protruding from the surface of the bridge deck is shoveled by the first inclined part and reaches the upper ends of the vertical lifting plate and the first inclined part along the second inclined part of the vertical lifting plate.

In a preferred scheme, one side of the driving unit 1 far from the pretreatment unit 2 is provided with an auxiliary leveling unit 4, the auxiliary leveling unit 4 comprises a connecting rectangular body 36, a third driving motor 37 is installed in the middle of the inside of the connecting rectangular body 36, the third driving motor 37 is fixed to the inner wall of the connecting rectangular body 36 through a motor support, an output shaft end of the third driving motor 37 is fixedly connected with a supporting transverse plate 39, four corners of the upper end of the supporting transverse plate 39 are provided with third driving cylinders 38, the tail end of each third driving cylinder 38 is located inside the connecting rectangular body 36, and output shaft ends of the third driving cylinders 38 are provided with auxiliary leveling assemblies 40.

In the scheme, the supporting transverse plate is driven to rotate by the third driving motor in the auxiliary leveling unit, and the third driving cylinders are fixedly arranged at the four corners of the upper end of the supporting transverse plate, so that the third driving cylinders rotate along with the rotation; and the output pole extension of third actuating cylinder makes supplementary flattening subassembly contact bridge floor, and supplementary flattening subassembly can flatten the bridge floor after rolling wheel rolls, mainly flattens the vestige that forms between rolling wheel rolling position and the position of not rolling, improves the roughness of bridge floor. In order to guarantee pivoted stability, the third drives the end of actuating cylinder and can be fixed with the sliding block, will connect the cuboid to set up to cylindrical, makes the sliding block slide in the ring channel of connecting the cuboid medial surface to guarantee to support the diaphragm more balanced.

In a preferred embodiment, the auxiliary leveling assembly 40 includes a fixed base plate 43, inclined fixing plates 42 are disposed on four sides of an upper end of the fixed base plate 43, a fixed outer frame 41 is disposed on an upper end of the inclined fixing plates 42, and the fixed outer frame 41, the inclined fixing plates 42 and the fixed base plate 43 are fixedly connected with each other.

In the above scheme, supplementary flattening subassembly is including fixed frame, slope fixed plate and PMKD, because supplementary flattening subassembly can follow the rotation, consequently will set up to the inclined plane with four fixed faces of PMKD, forms the slope fixed plate, and the inclined plane is favorable to pushing away the tie and rolls the vestige.

In a preferred embodiment, the fixed frame 41 is provided with two transverse rods 44 and two longitudinal rods 45 inside, the transverse rods 44 and the longitudinal rods 45 are fixed to the fixed frame 41, the transverse rods 44 and the longitudinal rods 45 are arranged perpendicularly to each other in the cross direction, and the output rod end of the third driving cylinder 38 is fixed to the transverse rods 44 and the longitudinal rods 45.

In the scheme, the two transverse rods and the two longitudinal rods are vertically arranged in the cross direction to form four cross points, and the output rod ends of the third driving cylinders are fixed on the four cross points formed between the transverse rods and the longitudinal rods, so that the connection is more stable.

In a preferred scheme, the auxiliary leveling unit 4 further comprises a connecting piece 31, the connecting piece 31 is fixed on one side of the traveling unit 1, which is far away from the pretreatment unit 2, a connecting block 32 is arranged on the outer side of the connecting piece 31, fixing rods 33 are fixedly connected to the upper end and the lower end of the connecting block 32, plugs are fixedly connected to the two ends of each fixing rod 33, a fixing sleeve 34 is arranged on the outer side of each fixing rod 33, the fixing sleeve 34 and the fixing rods 33 are fixed through screws, a Z-shaped connecting rod 35 is fixedly connected to the outer side of each fixing sleeve 34, and a connecting rectangular body 36 is fixedly connected to the other end of each Z-shaped connecting rod 35.

Among the above scheme, connecting piece, connecting block, dead lever, fixed sleeve and Z shape connecting rod mainly exist as connecting element, because the width and the length of supplementary flattening subassembly are different, and supplementary flattening subassembly can rotate, therefore the length of Z shape connecting rod will guarantee supplementary flattening subassembly can normal motion.

In a preferable scheme, the upper connection box 5 comprises a rectangular outer shell 17, a first middle partition plate 13 is fixedly connected to the upper end inside the rectangular outer shell 17, a first driving motor 14 is installed inside the rectangular outer shell 17 along the middle of the upper end of the first middle partition plate 13, a first driving screw rod 15 is installed inside the rectangular outer shell 17 along the lower end of the first middle partition plate 13, the first driving screw rod 15 is fixed with an output shaft of the first driving motor 14, and longitudinal sliding rods 16 are installed inside the rectangular outer shell 17 along two sides of the first driving screw rod 15.

In the scheme, the first driving screw rod is driven to rotate by the first driving motor in the upper connecting box, so that the vertical sliding plate moves up and down along the first driving screw rod and the longitudinal sliding rod, the pretreatment bucket is driven to move up and down, the pretreatment height can be adjusted according to the road surface, and the construction requirements of different bridge floors are met.

In a preferred embodiment, a main leveling unit 3 is disposed between the traveling unit 1 and the preprocessing unit 2, the main leveling unit 3 includes a supporting frame 29 and a rolling wheel 30, the rolling wheel 30 is disposed inside the supporting frame 29, the supporting frame 29 is connected to the traveling unit 1, and the upper connection box 5 is disposed at front and rear ends of an upper end of the supporting frame 29.

In the above scheme, the rolling wheel is the main component of flattening, utilizes the weight of steel wheel self to flatten the bridge floor, makes bridge floor surface level through making a round trip to roll many times.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.