Road and bridge dotting device
By designing a road and bridge dotting device and utilizing a trolley transmission system and automated paint spraying, the problems of low efficiency and fatigue in manual dotting were solved, and efficient and high-quality automatic dotting effects were achieved.
Patent Information
- Application Number
- CN202422755561.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In the prior art, manual marking operations in road and bridge construction cause fatigue and inconvenience to workers' waists, and the marking efficiency is low.
A road and bridge dotting device is designed, which uses a trolley transmission system to drive the vertical rod and sliding rod to achieve fixed-distance spraying of paint. Combined with fan cleaning, heating element drying and guide rod aiming, the dotting efficiency and quality are improved.
It realizes automated fixed-distance dotting, improves construction efficiency, reduces workers' bending over, and improves dotting quality and durability.
Smart Images

Figure CN223445953U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road and bridge construction technical field, concretely relates to a road and bridge dotting device. BACKGROUND
[0002] Road and bridge dotting is mainly used for marking operation position, and facilitates the smooth and accurate operation of subsequent operation, and is one of important steps of road and bridge construction. Dotting by manual use of pigment needs workers to frequently bend and measure distance and dot pigment, which is extremely waist-injuring and inconvenient for workers. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a road and bridge dotting device to solve the above-mentioned deficiencies in prior art.
[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a road and bridge dotting device, comprising: a trolley, a shell is fixedly installed in the trolley, a liquid spraying cavity is formed in the shell, a sliding rod is slidably arranged in the liquid spraying cavity, one end of the sliding rod is connected to the inner wall of the shell through a return spring, the other end of the sliding rod is fixedly connected with a piston, a pigment bottle is screwedly connected in the trolley, the liquid outlet of the pigment bottle is communicated with the liquid spraying cavity and a first check valve is installed in the pigment bottle, a second check valve is arranged in the liquid outlet of the liquid spraying cavity, a first rotating shaft is rotatably arranged in the trolley, a front wheel and a first straight gear are fixedly sleeved on the first rotating shaft, a second straight gear meshing with the first straight gear is also rotatably arranged in the trolley, a vertical rod is fixedly connected to the side surface of the second straight gear, a limiting groove is formed in the shell, a horizontal plate is fixedly connected to the sliding rod, the horizontal plate passes through the limiting groove and can reciprocate in the limiting groove along with the movement of the vertical rod.
[0005] Further, a cleaning assembly is arranged on the trolley, the cleaning assembly comprises a fan, the fan is installed at the head of the trolley, and a wind guide head communicated with the air outlet of the fan is installed at the chassis position of the trolley.
[0006] Further, a straight slot is formed at the head of the trolley, and a guide rod is arranged at the center position of the straight slot.
[0007] Further, a heating piece is arranged at the tail of the trolley, and the heating piece is installed at the bottom of the trolley.
[0008] Further, the distance between the heating piece and the ground is 5-8 cm.
[0009] Further, two rear wheels are symmetrically arranged on the trolley, and the two rear wheels are located below the fan.
[0010] In the above technical scheme, the road bridge dotting device has the beneficial effects that:
[0011] The utility model discloses a forward movement of trolley, and the front wheel drives the vertical rod to make the circular motion through the transmission component, and then the vertical rod pushes the horizontal plate to slide in the limiting groove, and the slide rod slides in the liquid spraying cavity and overcomes the elastic force of reset spring, and the pigment in the pigment bottle is sucked into the liquid spraying cavity, and after the vertical rod is separated from the horizontal plate, the slide rod is reset quickly under the elastic force of reset spring, and the pigment is sprayed, the purpose of fixed distance dotting is realized, compared with artificial, efficiency is greatly improved, and the operation of bending the waist is not needed, and the construction personnel like it more.
[0012] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory in nature and not intended to limit the present disclosure.
[0013] This application file provides the summary of various implementations or examples of the technology described in the present disclosure, and is not the full disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0015] Figure 1 The structural schematic diagram provided by the embodiment of the utility model;
[0016] Figure 2 The sectional view provided by the embodiment of the utility model;
[0017] Figure 3 The provided by the embodiment of the utility model Figure 2 The enlarged view of A.
[0018] Explanation of reference signs:
[0019] 1, trolley; 11, front wheel; 111, first rotating shaft; 12, rear wheel; 2, pigment bottle; 13, straight slot; 14, guide rod; 21, first check valve; 3, cleaning assembly; 31, fan; 32, air guide head; 4, heating piece; 51, shell; 52, reset spring; 53, slide rod; 54, piston; 55, liquid spraying cavity; 56, second check valve; 57, limiting groove; 6, first spur gear; 7, second spur gear; 71, vertical rod; 72, second rotating shaft; 8, horizontal plate. DETAILED DESCRIPTION
[0020] To make the purposes, technical solutions, and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are some but not all of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the range of the protection of the present disclosure.
[0021] Please refer to Figures 1-3 A road bridge dotting device, comprising: a trolley 1, a shell 51 is fixedly installed in the trolley 1, a liquid spraying cavity 55 is formed in the shell 51, a sliding rod 53 is slidably arranged in the liquid spraying cavity 55, one end of the sliding rod 53 is connected to the inner wall of the shell 51 through a return spring 52, one end of the return spring 52 is fixedly connected to the inner wall of the shell 51, the other end of the return spring 52 is fixedly connected to the left end of the sliding rod 53, a piston 54 is fixedly connected to the other end of the sliding rod 53, a pigment bottle 2 is threadedly connected in the trolley 1, the liquid outlet of the pigment bottle 2 is communicated with the liquid spraying cavity 55 and a first one-way valve 21 is arranged in the pigment bottle 2, the first one-way valve 21 is arranged so that the pigment in the first one-way valve 21 can only be discharged and cannot enter the first one-way valve 21 from the position of the first one-way valve 21, the outer side of the pigment bottle 2 is threadedly connected to the trolley 1, a second one-way valve 56 is arranged in the liquid outlet of the liquid spraying cavity 55, the second one-way valve 56 only allows the substance to pass from the liquid spraying cavity 55 to the outside, a first rotating shaft 111 is rotatably arranged in the trolley 1, a front wheel 11 and a first spur gear 6 are fixedly sleeved on the first rotating shaft 111, a second spur gear 7 engaged with the first spur gear 6 is also rotatably arranged in the trolley 1, the second spur gear 7 is fixedly sleeved on a second rotating shaft 72, the second rotating shaft 72 is rotatably arranged in the trolley 1, a vertical rod 71 is fixedly connected to the side surface of the second spur gear 7, a limiting groove 57 is formed in the shell 51, a horizontal plate 8 is fixedly connected to the sliding rod 53, the horizontal plate 8 passes through the limiting groove 57 and can realize horizontal reciprocating movement in the limiting groove 57 along with the movement of the vertical rod 71,
[0022] Specifically, the trolley 1 moves forward, the front wheel 11 drives the vertical rod 71 to do circular motion through the transmission assembly, then the vertical rod 71 drives the horizontal plate 8 to slide in the limiting groove 57, at the same time, the sliding rod 53 slides in the liquid spraying cavity 55 and overcomes the elastic force of the return spring 52, so that the pigment in the pigment bottle 2 is sucked into the liquid spraying cavity 55, after the vertical rod 71 is separated from the horizontal plate 8, the sliding rod 53 is quickly reset under the elastic force of the return spring 52, so that the pigment is sprayed out, the purpose of distance dotting is realized, compared with manual operation, the efficiency is greatly improved, and the operation of bending over is not needed, so the road bridge dotting device is more liked by construction personnel.
[0023] Further, the cleaning assembly 3 is arranged on the trolley 1, and the cleaning assembly 3 comprises a fan 31, the fan 31 is installed on the head of the trolley 1, and a wind guide head 32 in communication with an air outlet of the fan 31 is installed at the position of the chassis of the trolley 1.
[0024] Specifically, referring to Figure 2 , the wind guide head 32 faces the left side, and when the fan 31 works, air flow is sprayed from the wind guide head 32 to clean the road surface to be marked, so that the paint can be colored during marking, and the marking quality is improved.
[0025] Further, a straight slot 13 is formed in the head of the trolley 1, and a guide rod 14 is arranged at the center of the straight slot 13.
[0026] Specifically, the guide rod 14 is installed on the head of the trolley 1 to facilitate the staff to aim and ensure that the marking position is on the predetermined line.
[0027] Further, a heating piece 4 is arranged on the tail of the trolley 1, and the heating piece 4 is installed on the bottom of the trolley 1.
[0028] Specifically, the heating piece 4 is installed in the trolley 1, and the heating area of the heating piece 4 faces the ground, so that the paint sprayed on the ground can be dried during work, the paint is firmly fixed on the ground, the wind and sand are prevented from adhering to the surface of the paint during the fixing process, the marking quality is further improved, and the durability of the marking point is improved.
[0029] Further, the distance between the heating piece 4 and the ground is 5-8 cm. Generally, the distance between the heating piece 4 and the ground is 5 cm, which can be changed according to the flatness of the terrain, and the height can be individually customized, or the heating piece 4 can be arranged in a sliding mode in the vertical direction to change the distance between the heating piece 4 and the ground.
[0030] Further, the trolley 1 is provided with two rear wheels 12 arranged symmetrically, and the two rear wheels 12 are located below the fan 31.
[0031] Specifically, the two rear wheels 12 are rotatably arranged on the trolley 1, so that the trolley 1 is supported by the two rear wheels 12 and the front wheel 11, is relatively stable, and liberates the hands of the staff, and the three fixed wheels are relatively suitable for the straight road surface of the bridge road.
[0032] In the utility model, referring to Figures 1 to 3, first, push the trolley 1, or by motor drive front wheel 11, so as to realize the trolley 1 forward propulsion, with front wheel 11 counterclockwise rotation, first straight gear 6 also counterclockwise rotation, drive second straight gear 7 clockwise rotation, so that the vertical rod 71 around the second shaft 72 do clockwise circular motion, in turn push the horizontal plate 8, make the slide rod 53 in the shell 51 left slide, the liquid chamber 55 form negative pressure, the pigment bottle 2 in the pigment through the first check valve 21 into the liquid chamber 55, while the reset spring 52 is compressed, the elastic force of reset spring 52 increases, with the rotation of second straight gear 7, vertical rod 71 will slide on the horizontal plate 8, until the vertical rod 71 and horizontal plate 8 disengaged, under the action of the elastic force of reset spring 52, slide rod 53 drive piston 54 fast right slide, the pigment in the liquid chamber 55 from the second check valve 56 extruded, so that the pigment is sprayed on the road, complete a round of dot, with the rotation of second straight gear 7, slide rod 53 reciprocating motion in the left and right direction, realize interval dot.
[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature, should not be understood as limiting the scope of protection of the present application.
Claims
1. A road and bridge marking device, comprising: The trolley (1) is characterized in that: a shell (51) is fixedly installed in the trolley (1), a liquid spraying chamber (55) is provided in the shell (51), a slide rod (53) is slidably provided in the liquid spraying chamber (55), one end of the slide rod (53) is connected to the inner wall of the shell (51) through a return spring (52), and the other end of the slide rod (53) is fixedly connected to a piston (54), the trolley (1) is internally threadedly connected to a paint bottle (2), the liquid outlet of the paint bottle (2) is communicated with the liquid spraying chamber (55) and a first one-way valve (21) is installed therein, and a second one-way valve (21) is provided in the liquid outlet of the liquid spraying chamber (55). A valve (56) is provided in the trolley (1), wherein a first rotating shaft (111) is rotatably provided in the trolley (1), a front wheel (11) and a first spur gear (6) are fixedly sleeved on the outside of the first rotating shaft (111), a second spur gear (7) meshing with the first spur gear (6) is also rotatably provided in the trolley (1), a vertical rod (71) is fixedly connected to the side of the second spur gear (7), a limiting groove (57) is provided on the housing (51), a horizontal plate (8) is fixedly connected to the sliding rod (53), and the horizontal plate (8) passes through the limiting groove (57) and realizes reciprocating motion in the limiting groove (57) as the vertical rod (71) moves.
2. A road and bridge marking device according to claim 1, characterized in that: The trolley (1) is provided with a cleaning assembly (3), the cleaning assembly (3) comprising a fan (31), the fan (31) being mounted on the head of the trolley (1), and an air guide head (32) being mounted on the chassis of the trolley (1) and being in communication with an air outlet of the fan (31).
3. A road and bridge marking device according to claim 1, characterized in that: A straight slot (13) is provided at the head of the trolley (1), and a guide rod (14) is provided at the center of the straight slot (13).
4. A road and bridge marking device according to claim 1, characterized in that: A heating element (4) is provided on the tail of the trolley (1), and the heating element (4) is installed on the bottom of the trolley (1).
5. A road and bridge marking device according to claim 4, characterized in that: The heating element (4) is 5 to 8 cm away from the ground.
6. A road and bridge marking device according to claim 2, characterized in that: The trolley (1) is provided with two symmetrically arranged rear wheels (12), and the two rear wheels (12) are located below the fan (31).