CN218712201U

CN218712201U - Dotting device for road and bridge construction

Info

Publication number: CN218712201U
Application number: CN202222128816.5U
Authority: CN
Inventors: 杨大港; 王宏畅
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-03-24
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to the field of road and bridge construction, in particular to a dotting device for road and bridge construction, which comprises a dotting trolley, wherein the dotting trolley comprises an objective table, a storage tank for storing paint is arranged on the upper end surface of the objective table, and a discharge pipe is arranged on the storage tank; the object stage is provided with a rotating shaft which can rotate along with the subsequent wheel shaft, the rotating shaft is provided with a rotating plate arranged along the radial direction of the rotating shaft, the object stage is also provided with an air cylinder mounting seat, an air cylinder arranged perpendicular to the object stage is arranged in the air cylinder mounting seat, and the air cylinder is connected with a connecting pipe; the piston rod of the inflator can block the rotating plate, and the objective table is also provided with an extrusion mechanism which is used for extruding the piston rod of the inflator downwards so as to enable the rotating shaft to rotate. The utility model discloses a dolly is got ready in removal carries out the equidistance to the construction road surface and gets ready, compares in the manual work through the tape measure and the mode of getting ready, reduction staff's that can the preferred intensity of labour promotes the efficiency of getting ready.

Description

Dotting device for road and bridge construction

Technical Field

The utility model relates to a road and bridge construction field, specifically speaking relates to a road and bridge construction is with dotting device.

Background

At present, in the construction process of a road and a bridge, dotting operation is generally required, when the dotting operation is carried out, position marking is usually carried out on the road surfaces such as paint or lime, a worker needs to measure through tools such as a tape measure after marking one position, and therefore equidistance dotting is achieved, and the dotting efficiency is low due to repeated measurement in the dotting process.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a dotting device for road and bridge construction comprises a dotting trolley, wherein the dotting trolley comprises an object stage, a rotatable front wheel shaft and a rotatable rear wheel shaft are arranged on the lower end face of the object stage, and tires are arranged at two ends of the front wheel shaft and the rear wheel shaft;

a storage tank for storing paint is arranged on the upper end face of the objective table, a discharge pipe is arranged on the storage tank, one end of the discharge pipe extends into the storage tank, and the end part of the discharge pipe, which extends into the storage tank, extends to the bottom end of the storage tank but is not contacted with the storage tank; the other end of the discharge pipe penetrates through the objective table and extends to the lower end of the objective table;

the object stage is provided with a rotating shaft which can rotate along with the subsequent wheel shaft, the rotating shaft is provided with a rotating plate which is arranged along the radial direction of the rotating shaft, the object stage is also provided with an air cylinder mounting seat, an air cylinder which is vertical to the object stage is arranged in the air cylinder mounting seat, the air cylinder is connected with a connecting pipe, and the end part of the connecting pipe which is not connected with the air cylinder extends into the upper end part of the storage tank; the piston rod of the inflator can block the rotating plate, and the objective table is also provided with an extrusion mechanism which is used for extruding the piston rod of the inflator downwards so as to enable the rotating shaft to rotate.

The utility model discloses in, the dolly is got ready through the removal and carries out the equidistance to the construction road surface and get ready, compare in the manual work through the tape measure and get ready the mode, reduction staff's that can the preferred intensity of labour promotes the efficiency of getting ready.

Preferably, the objective table is provided with two mounting plates which are parallel to each other and perpendicular to the objective table, the upper end of each mounting plate is provided with a mounting plate through hole in clearance fit with the rotating shaft, the two end parts of the rotating shaft extend out of the mounting plate through holes, and the two end parts of the rotating shaft extending out of the mounting plate through holes are provided with limiting flanges.

The utility model discloses in, through the setting of mounting panel, can install the pivot and realize the installation to the pivot between two mounting panels to realization that can be comparatively convenient is to the installation of pivot.

Preferably, a first belt pulley is arranged between the two mounting plates on the rotating shaft, a second belt pulley is arranged on the rear wheel shaft, an objective table through hole is formed in the objective table, and a transmission belt which penetrates through the objective table through hole and is used for connecting the first belt pulley and the second belt pulley is arranged between the first belt pulley and the second belt pulley.

The utility model discloses in, through the setting of first belt pulley in the pivot, last second belt pulley of trailing axle and driving belt for the pivot can be along with the trailing axle rotates.

Preferably, the extrusion mechanism comprises a mounting sleeve arranged on the object stage, an extrusion rod capable of moving along the height direction of the mounting sleeve is arranged in the mounting sleeve, a connecting plate connected with a piston rod of the air cylinder is arranged on the extrusion rod, and a return spring for jacking the extrusion rod is arranged between the object stages of the connecting plate.

The utility model discloses in, through the setting of extrusion mechanism, can realize the equidistance operation of dotting through the cooperation between the rotor plate in inflator and the pivot.

Preferably, both ends of the front wheel shaft and the rear wheel shaft are expanded outwards along the circumferential direction to form connecting flanges, a plurality of screws are arranged on the connecting flanges, a connecting disc is arranged at the center of the tire, a connecting disc through hole matched with the screws is arranged on the connecting disc, and nuts used for connecting the flanges and the connecting disc are arranged on the screws.

The utility model discloses in, through the bolted connection between the connection pad on front axle and the epaxial connection flange of rear axle and the tire, can change the tire of different diameters.

Preferably, the storage tank is provided with a sealing cover which is connected with the storage tank through a bolt.

The utility model discloses in, through the setting of sealed lid, can realize the sealed to the storage tank.

Preferably, the stage is provided with a handle.

The utility model discloses in, through the setting of handle, made things convenient for the staff to promote and got ready the dolly.

Drawings

Fig. 1 is a schematic structural view of a dotting device for road and bridge construction in embodiment 1.

Fig. 2 is a partially exploded view of the dotting device for road and bridge construction in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1-3, the present embodiment provides a dotting device for road and bridge construction, which includes a dotting cart 100, the dotting cart 100 includes an object stage 110, a rotatable front axle 210 and a rotatable rear axle 220 are disposed on a lower end surface of the object stage 110, and tires 120 are disposed at two ends of the front axle 210 and the rear axle 220; in this embodiment, both ends of the front wheel axle 210 and the rear wheel axle 220 are outwardly expanded along the circumferential direction thereof to form a connection flange 2120, the connection flange 2120 is provided with a plurality of screws 2130, the center of the tire 120 is provided with a connection disc 2140, the connection disc 2140 is provided with a connection disc through hole 2150 matched with the screws 2130, and the screws 2130 are provided with nuts 2160 for connecting the flanges 2120 and the connection disc 2140.

A storage tank 130 for storing paint and a handle 1100 provided at an end of the rear wheel shaft 220 are provided on an upper end surface of the stage 110, and a sealing cover 190 bolted to the storage tank 130 is provided on the storage tank 130. A discharge pipe 140 is arranged on the storage tank 130, one end of the discharge pipe 140 extends into the storage tank 130, and the end part of the discharge pipe 140 extending into the storage tank 130 extends towards the bottom end of the storage tank 130 but is not in contact with the storage tank 130; the other end of the discharge pipe 140 extends through the stage 110 to the lower end of the stage 110.

The object stage 110 is provided with a rotating shaft 150 which can rotate together with the wheel shaft 220, in this embodiment, in order to realize the installation of the rotating shaft 150, two installation plates 230 which are parallel to each other and perpendicular to the object stage 110 are provided on the object stage 110, an installation plate through hole 240 which is in clearance fit with the rotating shaft 150 is provided at the upper end of the installation plate 230, two end portions of the rotating shaft 150 extend out of the installation plate through hole 240, and two end portions of the rotating shaft 150 which extend out of the installation plate through hole 240 are provided with limit flanges 320. In order to realize the rotation of the rotating shaft 150, a first belt pulley 330 is disposed between the two mounting plates 230 on the rotating shaft 150, a second belt pulley 250 is disposed on the rear wheel shaft 220, a stage through hole 260 is disposed on the stage 110, and a transmission belt 270 passing through the stage through hole 260 and connecting the first belt pulley 330 and the second belt pulley 250 is disposed between the first belt pulley 330 and the second belt pulley 250.

The rotating shaft 150 is provided with a rotating plate 310 arranged along the radial direction of the rotating shaft 150, the object stage 110 is also provided with an air cylinder mounting seat 160, an air cylinder 170 arranged perpendicular to the object stage 110 is arranged in the air cylinder mounting seat 160, the air cylinder 170 is connected with a connecting pipe 180, and the end part of the connecting pipe 180, which is not connected with the air cylinder 170, extends into the upper end part of the storage tank 130; the piston rod of the air cylinder 170 can block the rotating plate 310, and the stage 110 is further provided with a pressing mechanism for pressing the piston rod of the air cylinder 170 downward so that the rotating shaft 150 can rotate. The pressing mechanism includes a mounting sleeve 280 provided on the stage 110, a pressing rod 290 provided in the mounting sleeve 280 to be movable in a height direction of the mounting sleeve 280, a connection plate 2100 provided on the pressing rod 290 and connected to a piston rod of the air cylinder 170, and a return spring 2110 for pushing up the pressing rod 290 provided between the connection plate 2100 and the stage 110.

Before dotting the road surface of the road and bridge, paint is added to the storage tank 130 such that the surface of the paint is located at the lower end of the connection pipe 180 in the storage tank 130, and then the storage tank 130 is sealed by covering the sealing cover 190. When the dotting device for road and bridge construction is used, the dotting trolley 100 is pushed to move, when the tire 120 rotates for one circle, the rotating plate 310 on the rotating shaft 150 rotates to abut against the piston rod of the air cylinder 170 so as to prevent the rotating shaft 150 from continuing to rotate, and therefore the rear wheel shaft 220 is prevented from rotating, at the moment, a trolley pushing person needs to press the extrusion rod 290 downwards to enable the upper end part of the piston rod of the air cylinder 170 to move to the lower part of the rotating plate 310, so that the rotating plate 310 can continue to rotate, after the rotating plate 310 rotates through the piston rod of the air cylinder 170, the air cylinder 170 pumps air into the storage tank 130 in the process of pressing the extrusion rod 290 downwards, so that paint in the storage tank 130 is discharged from the discharge pipe 140 and falls on a construction road surface, and the dotting operation is realized.

In this embodiment, by the arrangement of the dotting device for road and bridge construction, when the road and bridge construction is performed, the dotting trolley 100 is moved to perform equidistant dotting on the construction road surface, and the diameters of the first belt pulley 330 and the second belt pulley 250 in this embodiment are the same, so that the dotting distance of the dotting trolley 100 in this embodiment is the circumference of the tire 120. Compare in the manual work and measure and the mode of dotting through the tape measure, the reduction staff's that the road and bridge construction in this embodiment can be preferred intensity of labour is dotted with the dotting device, promotes the efficiency of dotting. In which, through the arrangement of the handle 1100, the worker can push the dotting trolley 100 conveniently.

In this embodiment, the tire 120 having a different diameter can be replaced by a bolt connection between the connection flange 2120 of the front and

rear wheel shafts

210 and 220 and the connection plate 2140 of the tire 120, thereby adjusting the striking pitch.

In this embodiment, the storage tank 130 can be sealed by the sealing cover 190 on the storage tank 130; through the bolted connection between storage tank 130 and sealed lid 190, can be comparatively convenient the realization storage tank 130 with seal the connection between lid 190.

In this embodiment, the installation of the rotating shaft 150 can be realized by installing the rotating shaft 150 between the two installation plates 230 through the installation of the installation plates 230, so that the installation of the rotating shaft 150 can be realized more conveniently.

In this embodiment, the first belt pulley 330 on the rotating shaft 150, the second belt pulley 250 on the rear axle 220, and the transmission belt 270 therebetween are disposed, so that when the rear axle 220 rotates, the rotating shaft 150 is driven to rotate by the transmission belt 270 between the first belt pulley 330 and the second belt pulley 250, and thus the rotating shaft 150 can rotate along with the rear axle 220 more conveniently.

When the squeezing mechanism in this embodiment is used, the worker presses the squeezing lever 290 downward, the squeezing lever 290 drives the piston rod of the air cylinder 170 to move downward, so that the rotating plate 310 can continue to rotate, and after the rotating plate 310 rotates past the piston rod of the air cylinder 170, the squeezing lever 290 is loosened, so that the squeezing lever 290 pulls up the piston rod of the air cylinder 170 under the action of the return spring 2110, so that when the rotating plate 310 rotates to the piston rod end of the air cylinder 170 again, the piston rod of the air cylinder 170 can block the rotating plate 310 again. In this embodiment, the pressing mechanism is provided, so that the air cylinder 170 and the rotation plate 310 on the rotation shaft 150 can be engaged with each other to perform the equidistant striking operation.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims

1. Dotting device is used in road and bridge construction, its characterized in that: the dotting trolley comprises a dotting trolley (100), wherein the dotting trolley (100) comprises an object stage (110), a rotatable front wheel shaft (210) and a rotatable rear wheel shaft (220) are arranged on the lower end face of the object stage (110), and tires (120) are arranged at two ends of the front wheel shaft (210) and the rear wheel shaft (220);

a storage tank (130) for storing paint is arranged on the upper end face of the object stage (110), a discharging pipe (140) is arranged on the storage tank (130), one end of the discharging pipe (140) extends into the storage tank (130), and the end part, extending into the storage tank (130), of the discharging pipe (140) extends towards the bottom end of the storage tank (130) but is not contacted with the storage tank (130); the other end of the discharge pipe (140) penetrates through the object stage (110) and extends to the lower end of the object stage (110);

the object stage (110) is provided with a rotating shaft (150) which can rotate along with the wheel shaft (220), the rotating shaft (150) is provided with a rotating plate (310) which is arranged along the radial direction of the rotating shaft (150), the object stage (110) is also provided with an air cylinder mounting seat (160), an air cylinder (170) which is perpendicular to the object stage (110) is arranged in the air cylinder mounting seat (160), the air cylinder (170) is connected with a connecting pipe (180), and the end part of the connecting pipe (180) which is not connected with the air cylinder (170) extends into the upper end part of the storage tank (130); the piston rod of the air cylinder (170) can block the rotating plate (310), and the object stage (110) is also provided with a pressing mechanism for pressing the piston rod of the air cylinder (170) downwards so as to enable the rotating shaft (150) to rotate.

2. The dotting device for road and bridge construction according to claim 1, wherein: be equipped with two mounting panel (230) that are parallel to each other and perpendicular to objective table (110) setting on objective table (110), the upper end of mounting panel (230) is equipped with mounting panel through-hole (240) with pivot (150) clearance fit, and mounting panel through-hole (240) are stretched out at the both ends of pivot (150), and the both ends that stretch out mounting panel through-hole (240) on pivot (150) all are equipped with limit flange (320).

3. The dotting device for road and bridge construction according to claim 2, wherein: be equipped with in pivot (150) and be located first belt pulley (330) between two mounting panels (230), be equipped with second belt pulley (250) on rear wheel axle (220), be equipped with objective table through-hole (260) on objective table (110), be equipped with between first belt pulley (330) and second belt pulley (250) and pass objective table through-hole (260) and be used for connecting drive belt (270) of first belt pulley (330) and second belt pulley (250).

4. The dotting device for road and bridge construction according to claim 1, wherein: the extrusion mechanism comprises a mounting sleeve (280) arranged on the object stage (110), an extrusion rod (290) capable of moving along the height direction of the mounting sleeve (280) is arranged in the mounting sleeve (280), a connecting plate (2100) connected with a piston rod of the air cylinder (170) is arranged on the extrusion rod (290), and a return spring (2110) for jacking the extrusion rod (290) is arranged between the connecting plate (2100) and the object stage (110).

5. The dotting device for road and bridge construction according to claim 1, wherein: the two ends of the front wheel shaft (210) and the two ends of the rear wheel shaft (220) are both expanded outwards along the circumferential direction to form connecting flanges (2120), a plurality of screws (2130) are arranged on the connecting flanges (2120), a connecting disc (2140) is arranged at the center of the tire (120), a connecting disc through hole (2150) matched with the screws (2130) is arranged on the connecting disc (2140), and a nut (2160) used for connecting the flanges (2120) and the connecting disc (2140) is arranged on the screws (2130).

6. The dotting device for road and bridge construction according to claim 1, wherein: the storage tank (130) is provided with a sealing cover (190) which is connected with the storage tank (130) through bolts.

7. The dotting device for road and bridge construction according to claim 1, wherein: the object stage (110) is provided with a handle (1100).