Automatic spraying device for road and bridge construction

Abstract

The invention discloses an automatic spraying device for road bridge construction, relates to the technical field of spraying devices for bridge construction, and solves the technical problems that the height standing risk exists when the bottom of a bridge is manually sprayed, and the spraying range is limited. Comprising a walking spraying device used for spraying a protective material to the lower surface of a bridge body, the walking spraying device comprises a walking frame, and the two ends of the walking frame are provided with a first adsorption component and a rotary adsorption component which are alternately adsorbed to the bottom of the bridge body correspondingly; the spraying pipe is mounted at the right end of the walking frame and is used for longitudinally distributing spraying materials; according to the automatic spraying device, the bottom of a bridge body can be automatically sprayed in an S-shaped moving mode, compared with manual handheld spraying device spraying, the spraying area and range can be enlarged, the trouble of manually changing the spraying range is reduced, spraying materials are prevented from acting on workers in the manual head raising spraying process, the spraying safety and convenience of the bottom of the bridge body are improved, and the spraying efficiency is improved. And the spraying efficiency of the bridge body is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of bridge construction spraying devices, in particular to an automatic spraying device for road and bridge construction. Background Art

[0002] Road and bridge construction generally consists of several parts, including roadbed, pavement, bridge, tunnel engineering and traffic engineering facilities. Spraying is used in the process of bridge construction. The main purpose of bridge construction spraying is to protect the bridge, improve the aesthetics of the bridge, and extend the service life of the bridge. Therefore, corresponding spraying equipment will be used.

[0003] For example, a bridge reinforced concrete component spraying equipment for bridge construction with publication number CN108380429B includes a base plate, etc.; wheels are installed at the four corners of the bottom of the base plate, a push rod is connected to the left side of the base plate, and a support plate and a box are connected to the top of the base plate, and the support plate is located on the right side of the box.

[0004] The above patent only sprays the upper surface of the bridge, but it is not convenient to spray the straight bottom of the bridge. In addition, the bottom of the bridge is far from the ground, so a climbing vehicle is needed. When people stand on the working platform and spray with their hands, it is easy for the paint to fall on the workers, affecting their health. In addition, the working range of hand-held spraying is limited, and the position needs to be adjusted constantly, which affects the spraying efficiency. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art; to this end, the present invention proposes an automatic spraying device for road and bridge construction.

[0006] An automatic spraying device for road and bridge construction, comprising: A walking spraying device for spraying protective materials on the lower surface of a bridge body, the walking spraying device comprising a walking frame, and two ends of the walking frame are respectively provided with a first adsorption member and a rotating adsorption member alternately adsorbed on the bottom of the bridge body; A spray pipe installed at the right end of the traveling frame and distributing the spray material longitudinally; A paint box is placed on the upper surface of the bridge body and provides spraying materials for the spraying pipe, and a feeding hose is arranged between the paint box and the spraying pipe.

[0007] Preferably, a rectangular sliding hole is opened at the left end of the walking frame, and the first adsorption component includes an I-shaped limiting slide plate slidably installed in the rectangular sliding hole, and a first lifting cylinder is vertically arranged on the front and rear end surfaces of the limiting slide plate, and a first magnetic suction cup is arranged at the lower end of the first lifting cylinder.

[0008] Preferably, the inner wall of the rectangular sliding hole is provided with a guide rod movably penetrating the limiting sliding plate and the walking frame and exposed to the outside, and the guide rod is sleeved with a reset piece with both ends fixed to the inner wall of the rectangular sliding hole.

[0009] Preferably, the rotating adsorption component includes a rotating shaft installed at the bottom of the right end of the walking frame, the front and rear ends of the rotating shaft are both provided with rotating wheels, the outer surface of the rotating wheel is provided with a mounting ring, and a plurality of second lifting cylinders are provided on the circumference of the surface of the mounting ring, and one end of the second lifting cylinder is provided with a second magnetic suction cup adsorbed on the surface of the bridge body.

[0010] Preferably, the rotating shaft is sleeved with a fixed gear located outside the traveling frame, a driving gear is meshedly arranged on the fixed gear, and a driving motor connected to the driving gear is arranged on the lower surface of the traveling frame.

[0011] Preferably, a plurality of spray heads are arranged on the surface of the spray pipe along its length direction, and a reciprocating swing component for driving the spray pipe to move back and forth to spray materials is arranged at the right end of the traveling frame, and the reciprocating swing component includes a gear sleeved on an output shaft arranged at the end of a driving motor, an L-shaped vertical plate is arranged on the outer side of the gear, and the inner surface of the horizontal end of the vertical plate is arranged with fixed teeth meshing with the gear, and a support member for supporting it is sleeved on the spray pipe.

[0012] Preferably, the surfaces of the vertical plate and the support member are respectively provided with a first wedge block and a second wedge block that fit together, a reset component for resetting the vertical plate is provided between the vertical end of the vertical plate and the walking frame, a fixed convex plate is vertically provided on the surface of the walking frame, a limiting rod penetrating the fixed convex plate is provided on the side of the vertical plate, and an elastic member is sleeved on the limiting rod.

[0013] Preferably, the support member comprises a vertical plate arranged vertically, a support plate for supporting the spray pipe is arranged on the side of the vertical plate, and a sliding seat sleeved on the vertical plate is arranged at the inner end of the support plate.

[0014] Preferably, the lower surface of the walking spraying device is provided with a side walking component for changing the longitudinal position of the walking frame, and the side walking component includes a side telescopic cylinder longitudinally arranged on the lower surface of the walking frame, a side lifting cylinder is arranged at the rear end of the side telescopic cylinder, and a side magnetic suction cup adsorbed on the surface of the bridge body is arranged at the lower end of the side lifting cylinder.

[0015] Preferably, a material pump is provided on the front surface of the paint box, and a control valve is provided at the connection between the side of the material pump and the feeding hose.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention can automatically spray the bottom of the bridge in an S-shaped motion. Compared with spraying by handheld spraying devices, the spraying area and range can be expanded, the trouble of manually changing the spraying range can be reduced, and the spraying material can be prevented from acting on the workers during the process of manually looking up to spray. This increases the safety and convenience of spraying the bottom of the bridge and improves the efficiency of spraying the bridge.

[0017] (2) The reciprocating swinging component designed in the present invention can allow the spray pipe to move back and forth within a certain range during the entire moving spraying process of the traveling spraying device, and allow the spray head on the spray pipe to move horizontally and swing vertically, thereby expanding the spraying range and spraying uniformity of the protective material on the bridge body and improving the spraying quality on the surface of the bridge body.

[0018] (3) The side walking component designed in the present invention can change the walking spraying device by a certain distance along the width direction after the walking spraying device finishes spraying along the length direction of the bridge body, so that the walking spraying device is located at a new spraying position, thereby expanding the spraying range of the bridge body and increasing the convenience of spraying on the bottom of the bridge body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the bridge construction spraying device of the present invention; Figure 2 It is a front view structural schematic diagram of the bridge construction spraying device of the present invention; Figure 3 For the present invention Figure 1 A schematic diagram of the structure of the mid-travel spraying device viewed from above; Figure 4 For the present invention Figure 3 A cross-sectional view of the first adsorption member; Figure 5 For the present invention Figure 3 A schematic diagram of the structure of the rotating adsorption component; Figure 6 For the present invention Figure 3 A schematic diagram of the structure of the reciprocating swing component; Figure 7 For the present invention Figure 6 A magnified image of area A; Figure 8 For the present invention Figure 3 Schematic diagram of the structure of the middle side walking component; In the figure: 100, walking spraying device; 101, walking frame; 102, first adsorption member; 1021, rectangular sliding hole; 1022, limiting slide plate; 1023, stabilizing plate; 1024, first lifting cylinder; 1025, first magnetic suction cup; 1026, guide rod; 1027, reset member; 103, rotating adsorption member; 1031, rotating shaft; 1032, rotating wheel; 1033, mounting ring; 1034, second magnetic suction cup; 1035, second lifting cylinder; 1036, fixed gear; 1037, driving gear; 1038, driving motor; 104, spraying pipe; 105, side walking member; 1051, side telescopic cylinder; 1 052, stabilizing seat; 1053, mounting block; 1054, side lifting cylinder; 1055, side magnetic suction cup; 106, spray head; 200, bridge body; 300, paint box; 301, material pump; 302, feeding hose; 400, reciprocating swing member; 401, missing gear; 402, fixed teeth; 403, vertical plate; 404, first wedge block; 405, second wedge block; 406, reset member; 4061, limiting rod; 4062, fixed convex plate; 4063, elastic member; 407, support member; 4071, vertical plate; 4072, support plate; 4073, slide seat; 4074, limiting slide hole; 4075, limiting bolt. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1

[0022] See also Figure 1 - Figure 5 The present application provides an automatic spraying device for road and bridge construction, comprising: A walking spraying device 100 for spraying protective materials on the lower surface of a bridge body 200. The walking spraying device 100 can be used to automatically spray the bottom of the bridge body 200 in an S-shaped manner. Compared with spraying with a handheld spraying device, the spraying area and range can be expanded, the trouble of manually changing the spraying range can be reduced, and the spraying material can be prevented from acting on the workers during the process of manually looking up to spray. The safety and convenience of spraying the bottom of the bridge body 200 are increased, and the spraying efficiency of the bridge body 200 is improved. The walking spraying device 100 includes a walking frame 101, and the two ends of the walking frame 101 are respectively provided with a first adsorption member 102 and a rotating adsorption member 103 that are alternately adsorbed on the bottom of the bridge body 200. The first adsorption member 102 and the rotating adsorption member 103 are alternately fixed on the bottom of the bridge body 200, so that the entire walking spraying device 100 can be moved; A spraying pipe 104 installed at the right end of the traveling frame 101 and distributing the spraying material longitudinally can drive the spraying pipe 104 to spray a certain width of paint along the length direction of the bridge body 200 as the traveling frame 101 moves; A paint box 300 is placed on the upper surface of the bridge body 200 and provides spray materials for the spray pipe 104. A feeding hose 302 is provided between the paint box 300 and the spray pipe 104. The feeding hose 302 transports the protective materials without affecting the movement of the spray pipe 104.

[0023] In this embodiment, preferably, a rectangular sliding hole 1021 is opened at the left end of the walking frame 101, and the first adsorption component 102 includes an I-shaped limiting slide plate 1022 slidably installed in the rectangular sliding hole 1021. The limiting slide plate 1022 is I-shaped when viewed from the side, and the front and rear ends of the limiting slide plate 1022 extend to the outside of the rectangular sliding hole 1021, and the front and rear end inner surfaces of the limiting slide plate 1022 are in contact with the outer surface of the walking frame 101. The contact between the two has a limiting effect on the front and rear directions of the limiting slide plate 1022, and the front and rear surfaces of the limiting slide plate 1022 are both provided with a stabilizing plate 1023 that supports the first lifting cylinder 1024. The limiting slide plate 10 The upper and lower surfaces of the I-shape 22 are fitted with the inner surface of the rectangular sliding hole 1021, and the first lifting cylinder 1024 is vertically arranged on the front and rear end surfaces of the limiting slide plate 1022. The lower end of the first lifting cylinder 1024 is arranged with a first magnetic suction cup 1025, and the height of the first magnetic suction cup 1025 is adjustable. The inner wall of the rectangular sliding hole 1021 is provided with a guide rod 1026 that is movable and penetrates the limiting slide plate 1022 and the walking frame 101 and is exposed to the outside. The guide rod 1026 is sleeved with a reset member 1027 whose two ends are fixed on the inner wall of the rectangular sliding hole 1021, so as to facilitate the subsequent reset of the compressed reset member 1027 and drive the limiting slide plate 1022 to move and reset.

[0024] In this embodiment, preferably, the rotating adsorption member 103 includes a rotating shaft 1031 installed at the bottom of the right end of the walking frame 101, and the front and rear ends of the rotating shaft 1031 are sleeved with rotating wheels 1032, and the outer surface of the rotating wheel 1032 is provided with a mounting ring 1033, and the surface circumference of the mounting ring 1033 is provided with a plurality of second lifting cylinders 1035. As the rotating wheel 1032 rotates, the position of the second lifting cylinder 1035 will change, so that the second lifting cylinder 1035 can change the height of the second magnetic suction cup 1034. A second magnetic suction cup 1034 adsorbed on the surface of the bridge body 200 is provided at one end of the second lifting cylinder 1035, and the height of the second magnetic suction cup 1034 is adjustable. A fixed gear 1036 located on the outside of the traveling frame 101 is sleeved on the rotating shaft 1031, and a bearing seat is provided between the bottom of the traveling frame 101 and the rotating shaft 1031. A driving gear 1037 is meshed on the fixed gear 1036, and a driving motor 1038 connected to the driving gear 1037 is provided on the lower surface of the traveling frame 101.

[0025] In summary, when the entire walking spraying device 100 moves to the right, at this time, the first lifting cylinder 1024 works, the internal lifting rod extends to drive the first magnetic suction cup 1025 to extend downward, and the first magnetic suction cup 1025 is energized and fastened to the bottom of the bridge body 200, thereby fixing the first lifting cylinder 1024 and the limiting slide plate 1022, and then the two driving motors 1038 work at the same time, driving the output shaft and the driving gear 1037 to rotate counterclockwise, and the fixed gear 1036 meshing therewith rotates clockwise, driving the rotating shaft 1031 and the rotating wheel 1032 to rotate, and the rotating wheel 1032 rotates and moves to the right, driving the walking frame 1 01 moves to the right, and the limiting slide 1022 slides with the walking frame 101 to support the walking frame 101, so that the walking frame 101 will not deflect while moving. The movement of the walking frame 101 drives the guide rod 1026 to move to the right. At this time, the position of the limiting slide 1022 is fixed, and the reset member 1027 is compressed. The movement of the walking frame 101 drives the spray pipe 104 on it to move, and the material pump 301 connected to the spray pipe 104 at the left end works to send the material in the paint box 300 into the spray pipe 104, and finally sprays it from the spray head 106 from left to right to spray the bottom of the bridge body 200. Wait for the walking frame 101 to move to the right After moving a certain distance, the material pump 301 stops feeding. At this time, the reset member 1027 has not been compressed to the limit. At the same time, when one of the second lifting cylinders 1035 is in a vertical state, the second lifting cylinder 1035 works, and the internal lifting rod drives the second magnetic suction cup 1034 to extend, driving the second magnetic suction cup 1034 to contact the bottom of the bridge body 200. The two are energized to achieve a tight connection between the two. At this time, the first lifting cylinder 1024 works, the first magnetic suction cup 1025 is powered off, and the internal lifting rod retracts to drive the first magnetic suction cup 1025 to move away from the bottom of the bridge body 200. The reset member 1027 recovers its elasticity. Due to the rotating wheel 1032 The limiting slide 1022 has no restriction and will move a certain distance to the right as the reset part 1027 recovers elastically. At this time, the first lifting cylinder 1024 is operated to extend the first magnetic suction cup 1025 and re-absorb and fix it on the bridge body 200. The above operation is repeated throughout the whole process to realize that the entire walking spraying device 100 automatically moves along the bridge body 200 to expand the spraying range of the bridge body 200, reduce the restrictions and troubles of manual spraying, reduce the danger of manual spraying from a high position, and improve the spraying efficiency of the entire walking spraying device 100 on the bridge body 200.

[0026] Embodiment 2

[0027] Reference Figure 6 and Figure 7 , which is the second embodiment of the present invention.

[0028] In this embodiment, preferably, a plurality of spray heads 106 are arranged on the surface of the spray tube 104 along its length direction, and a reciprocating swing component 400 for driving the spray tube 104 to reciprocate back and forth to spray materials is arranged at the right end of the walking frame 101, and the two reciprocating swing components 400 are respectively connected to the output shafts of the two driving motors 1038 at the ends thereof in a back-to-back manner. By using the reciprocating swing component 400, the spray tube 104 can be moved back and forth within a certain range during the entire moving spraying process of the walking spraying device 100, so that the spray head 106 on the spray tube 104 can move sideways. It moves horizontally and swings longitudinally at the same time to expand the spraying range and uniformity of the protective material on the bridge body 200. The reciprocating swinging component 400 includes a missing gear 401 mounted on an output shaft arranged at the end of the driving motor 1038. The missing gear 401 can rotate continuously with the rotation of the output shaft to cooperate with the fixed teeth 402. An L-shaped vertical plate 403 is arranged on the outer side of the missing gear 401, and the inner surface of the horizontal end of the vertical plate 403 is provided with fixed teeth 402 meshing with the missing gear 401. A support 407 is sleeved on the spray tube 104 to support it.

[0029] In this embodiment, preferably, the surfaces of the vertical plate 403 and the support member 407 are respectively provided with a first wedge block 404 and a second wedge block 405 that fit together, and a reset member 406 is also provided between the inner side of the support member 407 and the upper surface of the walking frame 101, so that when the second wedge block 405 cooperates with the inclined surface of the first wedge block 404, it is convenient to reset the support member 407, and a reset member 406 for resetting the vertical plate 403 is provided between the vertical end of the vertical plate 403 and the walking frame 101, and a fixed protrusion 4062 is vertically provided on the surface of the walking frame 101, and a limiting rod 4061 that penetrates the fixed protrusion 4062 is provided on the side of the vertical plate 403. The cross-section of the limiting rod 4061 is rectangular. When cooperating with the fixed protrusion 4062, it supports the vertical plate 403 and avoids lateral deflection. An elastic member 4063 is sleeved on the limiting rod 4061.

[0030] In summary, during the entire walking spraying process of the walking spraying device 100, the driving motor 1038 is always working, so the output shaft will rotate, driving the missing gear 401 to rotate, and the missing gear 401 is engaged with the fixed teeth 402, driving the vertical plate 403 to move, and the moving direction of the vertical plate 403 is opposite to the moving direction of the rotating wheel 1032. Figure 5For example, when the entire walking spraying device 100 moves to the right, the rotating wheel 1032 rotates clockwise, driving the walking frame 101 to move to the right, and at the same time, the output shaft drives the missing gear 401 in the opposite direction of the rotating wheel 1032. The missing gear 401 will rotate counterclockwise, driving the fixed teeth 402 and the vertical plate 403 meshing therewith to move to the left. Since the wedge blocks on the reciprocating swinging member 400 at the front and rear positions are distributed in different directions, the two vertical plates 403 both move to the left, driving the limit rod 4061 to move to the left, and the elastic member 4063 located in the front is compressed as the vertical plate 403 moves to the left, and the first wedge block 404 on the vertical plate 403 in front moves to the left, and the first wedge block 404 fits the second wedge block 405 on the inclined surface, allowing the second wedge block 405 in front to move backward, driving the front support member 407 to move backward and be compressed, driving the spray pipe 104 and the spray head 106 to move backward a distance, and the rear The elastic member 4063 is stretched, and the first wedge block 404 at the rear moves to the left and will not fit with the second wedge block 405. When the missing gear 401 has no teeth meshing with the fixed teeth 402, the vertical plate 403 without restriction will return to its original position under the action of the elastic member 4063, driving the vertical plate 403 to move to the right, and the front support member 407 moves forward under the action of another elastic member 4063 connected to it, driving the spray pipe 104 and the spray head 106 to move forward. During the whole process, as the walking spraying device 100 moves, the spray pipe 104 and the spray head 106 at the left end are driven to move to the right while swinging back and forth, so that the protective material is sprayed more evenly, and the spraying range is expanded, the convenience of spraying on the bottom of the bridge body 200 is increased, and the spraying quality is improved. Conversely, when the walking spraying device 100 moves to the left, the reciprocating swinging member 400 will drive the spray pipe 104 and the spray head 106 at the right end to swing and spray.

[0031] In this embodiment, preferably, the support member 407 includes a vertical plate 4071 arranged vertically, and a limiting sliding hole 4074 which slides with the sliding seat 4073 is opened on the surface of the vertical plate 4071. The vertical plate 4071 is located on the inner side of the vertical plate 403, and a support plate 4072 which supports the spray pipe 104 is arranged on the side of the vertical plate 4071. A sliding seat 4073 which is sleeved on the vertical plate 4071 is arranged at the inner end of the support plate 4072, and a limiting bolt 4075 which fixes its position is screwed on the sliding seat 4073. The overall structure of the support member 407 can be used to change the height of the spray pipe 104, so as to facilitate the protective material to act on the bottom of the bridge body 200.

[0032] Embodiment 3

[0033] Reference Figure 3 and Figure 8 , which is the third embodiment of the present invention.

[0034] In this embodiment, preferably, a side walking component 105 for changing the longitudinal position of the walking frame 101 is provided on the lower surface of the walking spraying device 100. By providing the side walking component 105, after the walking spraying device 100 finishes spraying along the length direction of the bridge body 200, the walking spraying device 100 can be changed by a certain distance along the width direction, so that the walking spraying device 100 is located at a new spraying position, thereby expanding the spraying range of the bridge body 200 and increasing the convenience of spraying the bottom of the bridge body 200. The side walking component 105 includes a side telescopic cylinder 105 longitudinally arranged on the lower surface of the walking frame 101. 51. A stabilizing seat 1052 is provided between the side telescopic cylinder 1051 and the walking frame 101 to increase the installation strength of the side telescopic cylinder 1051. A side lifting cylinder 1054 is provided at the rear end of the side telescopic cylinder 1051, and a mounting block 1053 is provided at the free end of the telescopic rod inside the side telescopic cylinder 1051. The side lifting cylinder 1054 is installed on the lower surface of the mounting block 1053. A side magnetic suction cup 1055 adsorbed on the surface of the bridge body 200 is provided at the lower end of the side lifting cylinder 1054. The height of the side magnetic suction cup 1055 can be raised and lowered with the side lifting cylinder 1054, so as to contact the bottom of the bridge body 200 for adsorption and fixation.

[0035] In this embodiment, preferably, a material pump 301 is provided on the front surface of the paint box 300, and the material pump 301 sucks the protective material inside the paint box 300 into the spray pipe 104. A control valve is provided at the connection between the side of the material pump 301 and the feeding hose 302. Moving wheels are provided at the bottom of the paint box 300, so that the paint box 300 can move on the upper surface of the bridge body 200, and the walking spraying device 100 moves at the bottom of the bridge body 200, and an anti-fall chain can be provided between the two. If the walking spraying device 100 falls, it will also be pulled by the chain.

[0036] In summary, when in use, after the walking spraying device 100 completes the spraying stroke along the length direction of the bridge body 200, it is necessary to change the new position of the walking spraying device 100 so that the walking spraying device 100 can walk in the width direction and change its position. At this time, the side telescopic cylinder 1051 works and the telescopic rod inside it extends, driving the mounting block 1053 and the side lifting cylinder 1054 to move outward. When the telescopic rod is extended to the limit position of the stroke, the side lifting cylinder 1054 works, and the internal lifting rod extends to drive the side magnetic suction cup 1055 to move upward until it contacts the lower surface of the bridge body 200. The side magnetic suction cup 1055 is energized and adsorbed and fixed to the bridge body 200. After adsorption and fixation, the first adsorption component 102 and the rotating adsorption component 103 are de-energized, and the two are separated from the bottom of the bridge body 200. The adsorption force between the two side magnetic suction cups 1055 and the bridge body 200 is sufficient to support the entire The walking spraying device 100, the side telescopic cylinder 1051 works again, and the internal telescopic rod retracts. Since the side magnetic suction cup 1055 is fixed to the bridge body 200, the retraction of the telescopic rod will drive the entire side telescopic cylinder 1051 and the walking frame 101 to move toward the side magnetic suction cup 1055, so that the entire walking spraying device 100 moves backward for a distance, so that the walking spraying device 100 is located in a new position that has not been sprayed. In summary, after the walking spraying device 100 moves from left to right and finishes spraying, the side walking component 105 is used to move the walking spraying device 100 backward for a certain distance, and then the entire walking spraying device 100 sprays from right to left again. The whole process is repeated, so that the walking spraying device 100 moves in an S shape, spraying the bottom of the bridge body 200 more comprehensively, expanding the spraying range and convenience of the bridge body 200.

[0037] Embodiment 4

[0038] This embodiment is obtained by combining Embodiment 1, Embodiment 2 and Embodiment 3.

[0039] When spraying the bottom of the bridge body 200, the first adsorption component 102 and the rotating adsorption component 103 are alternately adsorbed and fixed on the bottom of the bridge body 200 and drive the entire walking frame 101 to move. The movement of the walking frame 101 drives the spray pipe 104 to move, and the paint box 300 supplies the moving spray pipe 104. While the spray pipe 104 is spraying, it will swing back and forth driven by the reciprocating swinging component 400, so that the spraying is more uniform. After the lateral position spraying is completed, the side walking component 105 is used to change the position of the walking frame 101 in the longitudinal direction, and then move to the left to repeat the spraying work on the bottom of the bridge body 200, thereby realizing the S-shaped moving spraying processing of the bottom of the bridge body 200, improving the spraying efficiency and spraying safety.

[0040] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An automatic spraying device for road and bridge construction, characterized in that: include: A walking spraying device (100) for spraying protective materials on the lower surface of a bridge body (200), the walking spraying device (100) comprising a walking frame (101), and a first adsorption component (102) and a rotating adsorption component (103) which are alternately adsorbed on the bottom of the bridge body (200) are respectively provided at both ends of the walking frame (101); A spraying pipe (104) mounted on the right end of the traveling frame (101) and configured to distribute spraying materials longitudinally; A paint box (300) is placed on the upper surface of a bridge body (200) and provides spraying materials for a spraying pipe (104); a feeding hose (302) is provided between the paint box (300) and the spraying pipe (104).

2. The automatic spraying device for road and bridge construction according to claim 1 is characterized in that: A rectangular sliding hole (1021) is provided at the left end of the walking frame (101); the first adsorption member (102) comprises an I-shaped limiting slide plate (1022) slidably mounted in the rectangular sliding hole (1021); a first lifting cylinder (1024) is vertically arranged on the front and rear end surfaces of the limiting slide plate (1022); and a first magnetic suction cup (1025) is arranged at the lower end of the first lifting cylinder (1024).

3. The automatic spraying device for road and bridge construction according to claim 2 is characterized in that: The inner wall of the rectangular sliding hole (1021) is provided with a guide rod (1026) that movably penetrates the limiting sliding plate (1022) and the walking frame (101) and is exposed on the outside, and the guide rod (1026) is sleeved with a reset member (1027) with both ends fixed to the inner wall of the rectangular sliding hole (1021).

4. The automatic spraying device for road and bridge construction according to claim 1 is characterized in that: The rotating adsorption component (103) comprises a rotating shaft (1031) mounted at the bottom of the right end of the walking frame (101); the front and rear ends of the rotating shaft (1031) are both sleeved with rotating wheels (1032); the outer surface of the rotating wheel (1032) is provided with a mounting ring (1033); a plurality of second lifting cylinders (1035) are arranged on the circumference of the surface of the mounting ring (1033); and one end of the second lifting cylinder (1035) is provided with a second magnetic suction cup (1034) adsorbed on the surface of the bridge body (200).

5. The automatic spraying device for road and bridge construction according to claim 4 is characterized in that: The rotating shaft (1031) is sleeved with a fixed gear (1036) located outside the traveling frame (101), the fixed gear (1036) is meshed with a driving gear (1037), and the lower surface of the traveling frame (101) is provided with a driving motor (1038) connected to the driving gear (1037).

6. The automatic spraying device for road and bridge construction according to claim 5, characterized in that: The surface of the spray pipe (104) is provided with a plurality of spray heads (106) along its length direction; the right end of the traveling frame (101) is provided with a reciprocating swing component (400) for driving the spray pipe (104) to move back and forth to spray materials; the reciprocating swing component (400) comprises a missing gear (401) sleeved on an output shaft provided at the end of a driving motor (1038); an L-shaped vertical plate (403) is provided on the outer side of the missing gear (401); the inner surface of the horizontal end of the vertical plate (403) is provided with fixed teeth (402) meshing with the missing gear (401); and a support member (407) is sleeved on the spray pipe (104) to support it.

7. The automatic spraying device for road and bridge construction according to claim 6 is characterized in that: The surfaces of the vertical plate (403) and the support member (407) are respectively provided with a first wedge block (404) and a second wedge block (405) which fit each other; a reset member (406) for resetting the vertical plate (403) is provided between the vertical end of the vertical plate (403) and the walking frame (101); a fixed convex plate (4062) is vertically provided on the surface of the walking frame (101); a limiting rod (4061) penetrating the fixed convex plate (4062) is provided on the side of the vertical plate (403); and an elastic member (4063) is sleeved on the limiting rod (4061).

8. The automatic spraying device for road and bridge construction according to claim 7, characterized in that: The support member (407) comprises a vertical plate (4071) arranged vertically, a support plate (4072) for supporting the spray pipe (104) being arranged on the side of the vertical plate (4071), and a sliding seat (4073) sleeved on the vertical plate (4071) being arranged at the inner end of the support plate (4072).

9. The automatic spraying device for road and bridge construction according to claim 1, characterized in that: The lower surface of the traveling spraying device (100) is provided with a side traveling component (105) for changing the longitudinal position of the traveling frame (101); the side traveling component (105) comprises a side telescopic cylinder (1051) longitudinally arranged on the lower surface of the traveling frame (101); a side lifting cylinder (1054) is arranged at the rear end of the side telescopic cylinder (1051); and a side magnetic suction cup (1055) adsorbed on the surface of the bridge body (200) is arranged at the lower end of the side lifting cylinder (1054).

10. The automatic spraying device for road and bridge construction according to claim 1, characterized in that: A material pump (301) is provided on the front surface of the paint box (300), and a control valve is provided at the connection between the side of the material pump (301) and the material feeding hose (302).

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