CN112538827A

CN112538827A - A curing means for road and bridge

Info

Publication number: CN112538827A
Application number: CN202011445873.5A
Authority: CN
Inventors: 许洪川; 乔亮
Original assignee: Mcc Northeast Construction Shenyang Engineering Technology Co ltd
Current assignee: Mcc Northeast Construction Shenyang Engineering Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-03-23
Anticipated expiration: 2040-12-11
Also published as: CN112538827B

Abstract

The invention belongs to the technical field of construction maintenance equipment, and discloses a maintenance device for a road and a bridge. The outside of the water tank is provided with a movable tank with an adjustable upper angle and a lower angle, and the movable tank is provided with a sprinkler head. According to the invention, by arranging the pneumatic cylinder, the tooth plate and the tooth block, when the pneumatic cylinder runs, the tooth plate can be lifted, and at the moment, due to the meshing action of the left side of the tooth plate and the outer surface of the tooth block, the movable box and the water spraying head can be driven to deflect at an angle, so that operators can spray water at different angles and fix the water at different angles conveniently, the operation is simple and convenient, and the practicability of the maintenance device is improved.

Description

A curing means for road and bridge

Technical Field

The invention belongs to the technical field of construction maintenance equipment, and particularly relates to a maintenance device for roads and bridges.

Background

The road and bridge are generally composed of roadbed, road surface, bridge, tunnel engineering and traffic engineering facilities, etc., the roadbed is a linear structure built by soil or stone material, the road surface is a layered structure which is layered and paved on the road roadbed by various road building materials or mixture materials and is used for driving vehicles, and the bridge and tunnel engineering is an important component part in high-grade roads and comprises bridge, culvert, channel and tunnel, etc.

At present, after a road and a bridge are finished, a construction unit often needs to carry out water spraying maintenance on the road and the bridge, and in the actual use process of the existing maintenance device, although having the basic function of water spraying maintenance, the operator is inconvenient to adjust and fix the water spraying head, meanwhile, under the condition of increasingly tense water resources, the water source adopted by the maintenance of operators is not domestic water, so that the impurities in the water source are more, the existing maintenance device is generally provided with a corresponding filtering structure to isolate the filtering structure, and along with the long-term use of the maintenance device, a large amount of impurities are attached to the outer surface of the filtering structure, so that an operator is required to clean the filtering structure regularly, but the filtering structure is difficult to detach when the operator cleans the filtering structure, so that inconvenience is brought to the cleaning operation of the operator, and the maintenance device needs to be improved.

Disclosure of Invention

The invention aims to solve the problems, and provides a maintenance device for a road and a bridge, which has the advantages of convenience in adjusting the water spraying angle and convenience in disassembling and cleaning a filter structure.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a curing means for road and bridge, includes the bottom plate, the right side fixed mounting at bottom plate top has the riser, the top fixed mounting of bottom plate has the water tank that is located the riser left, the right side of water tank and the left side fixed connection of riser, the left top of water tank inner chamber and fixed mounting have the guard box, the top of guard box and the left side fixed connection at water tank inner chamber top, the inside fixed mounting of guard box has the water pump, the water pump is current device, and the model of water pump is applicable to OSM-DN40 series, the right side fixed intercommunication of water pump has the water pipe, the other end of water pipe runs through the guard box and extends to the outside of guard box and is located the inside of water tank, the left side fixed intercommunication of water pump has the conveyer pipe, the other end of conveyer pipe runs through guard box and water tank in proper order and extends to the outside of water tank, the top fixed, the top fixed mounting of chassis has the mount, the top fixed mounting of mount has the rectangular pipe, the top of rectangular pipe and the fixed intercommunication in bottom of conveyer pipe, the left side fixed mounting of water tank has the fixed case that is located conveyer pipe below and chassis top, the inside fixed mounting of fixed case has the pneumatic cylinder, the pneumatic cylinder is current device, and the model of pneumatic cylinder is applicable to SAT8-4DCFT-3GCJSD series, the right side of pneumatic cylinder and the left side fixed connection of water tank, the bottom fixed mounting of pneumatic cylinder has the tooth board that is located under the fixed case, the right side of tooth board and the left side swing joint of water tank, the inside of mount both sides all has fixed the endotheca to cup joint, the both sides of rectangular pipe all are fixed the intercommunication and have crooked pipe, the bottom of crooked pipe runs through mount and endotheca in proper order and extends to in the inner wall of endotheca, the inside activity of mount has cup jointed the movable box, the front and the back of movable box all are located the outside of mount, the fixed intercommunication in front of movable box has the sprinkler bead, the both ends of movable box all are fixed the intercommunication and have the movable tube, the other end of movable tube runs through mount and endotheca in proper order and extends to the inner wall of endotheca, the bottom of crooked pipe and the other end of movable tube all are fixed the intercommunication and have the round piece that is located the endotheca inside, the right side fixed mounting of movable box has tooth piece, the surface on tooth piece right side is connected with the left side meshing of tooth board, consequently when tooth board elevating movement, will drive the whole angle deflection that takes place of movable box through tooth piece.

Preferably, the left side of water tank is seted up and is located the perpendicular groove on tooth dental lamina right side, the inside activity that erects the groove has cup jointed the motion piece, the right side of motion piece and the inner wall swing joint who erects the groove, the left side of motion piece and the right side fixed connection of tooth dental lamina will make tooth dental lamina more stable at elevating movement's in-process owing to erect the cooperation between groove and the motion piece.

Preferably, the equal movable mounting in both sides of bottom plate bottom has the gyro wheel, the top fixed mounting on riser right side has the handle, the positive inside of water tank articulates there is the sealing door, the positive right side fixed mounting of sealing door has the pull rod, because the cooperation between handle and the gyro wheel, will be convenient for operating personnel to remove this curing means, and because the cooperation between sealing door and the pull rod, will be convenient for operating personnel to open it, then dismantle the clearance to the rose box of water tank inside.

Preferably, the fixed intercommunication in right side at water tank top has the filler pipe, the middle part swing joint of water tank inner chamber bottom has the rose box, because the design of filler pipe, will be convenient for operating personnel to the inside water source that adds of water tank.

Preferably, the surface screw thread of water pipe bottom has cup jointed the internal thread movable sleeve, the bottom fixed mounting of internal thread movable sleeve has the sleeve pipe that is located the water pipe outside, a mouthful has been seted up at sheathed tube top, the size of a mouthful is greater than the size of water pipe, the bottom mounting intercommunication of water pipe has the round mouthful piece that is located the intraduct, the surface and the sheathed tube inner wall swing joint of round mouthful piece, the surface of water pipe bottom is equipped with the screw thread that is located the internal thread movable sleeve inside, and the screw thread of water pipe bottom surface and the inside screw thread looks adaptation of internal thread movable sleeve, consequently when operating personnel rotates the internal thread movable sleeve, will drive sleeve pipe elevating movement, and because the design of a mouthful to the screw thread of water pipe surface can pass through smoothly.

Preferably, the inside fixed mounting of rose box surface has the filter screen, the fixed intercommunication in middle part on rose box top has the standpipe, the surface mounting of standpipe has cup jointed the sealed piece that is located the sleeve pipe below, the top and the sheathed tube bottom swing joint of sealed piece because the cooperation between sleeve pipe and the sealed piece, will be preliminary strengthen the sealed effect between water pipe and the standpipe.

Preferably, the outer fixed surface at standpipe top has cup jointed the sealed cover piece that is located the intraduct, the surface and the sheathed tube inner wall swing joint of sealed cover piece, because the cooperation between sleeve pipe and the sealed cover piece, will the secondary strengthen the water pipe and the standpipe between the sealed effect, the effectual leakage that prevents the water source.

Preferably, the outer surface of the bottom end of the filter box is fixedly sleeved with a bottom sleeve block, the bottom of the bottom sleeve block is movably connected with the bottom of the inner cavity of the water tank, positioning notches are formed in the bottom sleeve block, the number of the positioning notches is four, the four positioning notches are identical in size, positioning shafts are movably sleeved in the four positioning notches, the bottom end of each positioning shaft is fixedly connected with the bottom of the inner cavity of the water tank, and due to the matching between each positioning notch and each positioning shaft, the whole positioning effect on the filter box can be achieved, and the filter box is convenient for operators to install.

Preferably, the fixed intercommunication in bottom on water tank right side has the solenoid valve that is located the riser inside, the fixed intercommunication in right side of solenoid valve has the drain pipe that is located the riser outside, the solenoid valve is current device, and the model of solenoid valve is applicable to LD512.5 series, because the cooperation between solenoid valve and the drain pipe to the operating personnel of being convenient for discharges the inside water source of water tank.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, by arranging the pneumatic cylinder, the tooth plate and the tooth block, when the pneumatic cylinder runs, the tooth plate can be lifted, and at the moment, due to the meshing action of the left side of the tooth plate and the outer surface of the tooth block, the movable box and the water spraying head can be driven to deflect at an angle, so that operators can spray water at different angles and fix the water at different angles conveniently, the operation is simple and convenient, and the practicability of the maintenance device is improved.

2. According to the invention, through arranging the internal thread movable sleeve and the sleeve, when an operator rotates the internal thread movable sleeve upwards, the sleeve moves upwards along with the internal thread movable sleeve, when the bottom of the sleeve is level with the bottom of the round-mouth block, the filter box can be pulled at the moment, so that the positioning shaft is separated from the inside of the positioning notch, and then the whole filter box can be taken out from the position between the bottom of the inner cavity of the water tank and the bottom of the round-mouth block.

3. According to the maintenance device, the sealing block and the sealing sleeve block are arranged, so that the sealing effect between the water pipe and the vertical pipe is initially enhanced due to the matching between the sleeve pipe and the sealing block, meanwhile, the sealing effect between the water pipe and the vertical pipe is secondarily enhanced due to the matching between the sleeve pipe and the sealing sleeve block, the leakage of a water source is effectively prevented, and therefore the practicability of the maintenance device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic side view of the fixing frame of the present invention;

FIG. 4 is a schematic view of a mounting structure of the tooth plate according to the present invention;

FIG. 5 is a schematic view of the installation structure of the filtration tank of the present invention;

fig. 6 is a schematic perspective view of the filter box of the present invention.

In the figure: 1. a base plate; 2. a water tank; 3. a vertical plate; 4. a protection box; 5. a water pump; 6. a water pipe; 7. a delivery pipe; 8. a chassis; 9. a fixed mount; 10. a rectangular tube; 11. a fixed box; 12. a pneumatic cylinder; 13. a tooth plate; 14. an inner sleeve; 15. bending the tube; 16. a movable box; 17. a sprinkler head; 18. a movable tube; 19. a round block; 20. a tooth block; 21. a vertical slot; 22. a motion block; 23. a handle; 24. a roller; 25. a sealing door; 26. a pull rod; 27. a water feeding pipe; 28. a filter box; 29. an internal thread movable sleeve; 30. a sleeve; 31. a round mouth block; 32. a top opening; 33. a bottom sleeve block; 34. a positioning notch; 35. positioning the shaft; 36. a filter screen; 37. a vertical tube; 38. a sealing block; 39. sealing the sleeve block; 40. an electromagnetic valve; 41. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood in specific cases by those of ordinary skill in the art.

As shown in figures 1 to 6, the invention provides a maintenance device for a road and bridge, which comprises a bottom plate 1, wherein a vertical plate 3 is fixedly arranged on the right side of the top of the bottom plate 1, a water tank 2 positioned on the left side of the vertical plate 3 is fixedly arranged on the top of the bottom plate 1, the right side of the water tank 2 is fixedly connected with the left side of the vertical plate 3, a protection tank 4 is fixedly arranged on the top of the left side of an inner cavity of the water tank 2, the top of the protection tank 4 is fixedly connected with the left side of the top of the inner cavity of the water tank 2, a water pump 5 is fixedly arranged in the protection tank 4, the water pump 5 is an existing device, the type of the water pump 5 is suitable for OSM-DN40 series, the right side of the water pump 5 is fixedly communicated with a water pipe 6, the other end of the water pipe 6 penetrates through the protection tank 4 and extends to the outside of the protection tank 4 and is positioned, the top of the bottom plate 1 is fixedly provided with an underframe 8 positioned at the left side of the water tank 2, the top of the underframe 8 is fixedly provided with a fixed frame 9, the top of the fixed frame 9 is fixedly provided with a rectangular tube 10, the top of the rectangular tube 10 is fixedly communicated with the bottom of the conveying tube 7, the left side of the water tank 2 is fixedly provided with a fixed box 11 positioned below the conveying tube 7 and above the underframe 8, the inside of the fixed box 11 is fixedly provided with a pneumatic cylinder 12, the pneumatic cylinder 12 is an existing device, the model of the pneumatic cylinder 12 is suitable for SAT8-4DCFT-3GCJSD series, the right side of the pneumatic cylinder 12 is fixedly connected with the left side of the water tank 2, the bottom of the pneumatic cylinder 12 is fixedly provided with a tooth plate 13 positioned right below the fixed box 11, the right side of the tooth plate 13 is movably connected with the left side of the water tank 2, the insides, the bottom end of the bending pipe 15 penetrates through the fixed frame 9 and the inner sleeve 14 in sequence and extends to the inner wall of the inner sleeve 14, the movable box 16 is sleeved on the inner portion of the fixed frame 9 in a movable mode, the front face and the back face of the movable box 16 are located on the outer portion of the fixed frame 9, the front face of the movable box 16 is fixedly communicated with the water spraying head 17, the two ends of the movable box 16 are fixedly communicated with the movable pipes 18, the other ends of the movable pipes 18 penetrate through the fixed frame 9 and the inner sleeve 14 in sequence and extend to the inner wall of the inner sleeve 14, the bottom end of the bending pipe 15 and the other ends of the movable pipes 18 are fixedly communicated with the round blocks 19 located inside the inner sleeve 14, the tooth blocks 20 are fixedly installed on the right side of the movable box 16, the outer surface of the right side of the tooth blocks 20 is meshed with the left side of the tooth plate 13, and therefore.

Wherein, the vertical slot 21 that is located tooth dental lamina 13 right side is seted up on the left side of water tank 2, and the inside activity of vertical slot 21 has cup jointed motion block 22, motion block 22's right side and the inner wall swing joint who erects slot 21, motion block 22's left side and tooth dental lamina 13's right side fixed connection, owing to erect the cooperation between slot 21 and the motion block 22, will make tooth dental lamina 13 more stable at elevating movement's in-process.

Wherein, the equal movable mounting in both sides of bottom plate 1 bottom has gyro wheel 24, the top fixed mounting on riser 3 right side has handle 23, the positive inside of water tank 2 articulates there is sealing door 25, the positive right side fixed mounting of sealing door 25 has pull rod 26, because the cooperation between handle 23 and the gyro wheel 24, the operating personnel that will be convenient for removes this curing means, and because the cooperation between sealing door 25 and the pull rod 26, the operating personnel that will be convenient for will open it, then dismantle the clearance to the rose box 28 of water tank 2 inside.

Wherein, the fixed intercommunication in right side at water tank 2 top has filler pipe 27, and the middle part swing joint of 2 inner chambers bottom of water tank has rose box 28, because filler pipe 27's design, will be convenient for operating personnel to the inside water source that adds of water tank 2.

Wherein, the surface screw thread of water pipe 6 bottom has cup jointed female thread movable sleeve 29, the bottom fixed mounting of female thread movable sleeve 29 has the sleeve pipe 30 that is located the outside of water pipe 6, top mouth 32 has been seted up at sleeve pipe 30's top, the size of top mouth 32 is greater than the size of water pipe 6, the bottom mounting intercommunication of water pipe 6 has the round mouth piece 31 that is located the inside of sleeve pipe 30, the surface of round mouth piece 31 and the inner wall swing joint of sleeve pipe 30, the surface of water pipe 6 bottom is equipped with the screw thread that is located the inside of female thread movable sleeve 29, and the screw thread of water pipe 6 bottom surface and the inside screw thread looks adaptation of female thread movable sleeve 29, consequently, when operating personnel rotates female thread movable sleeve 29, will drive sleeve pipe 30 elevating movement, and because the design of top mouth 32, so that the screw thread of water pipe 6 surface.

Wherein, the inside fixed mounting of rose box 28 surface has filter screen 36, and the fixed intercommunication in middle part on rose box 28 top has standpipe 37, and the fixed cover of surface of standpipe 37 has connect the sealing block 38 that is located sleeve pipe 30 below, and the top of sealing block 38 and the bottom swing joint of sleeve pipe 30 because the cooperation between sleeve pipe 30 and the sealing block 38 will be preliminary strengthen the sealed effect between water pipe 6 and the standpipe 37.

Wherein, the fixed cover in surface at standpipe 37 top has been connect and is located the inside sealed cover block 39 of sleeve pipe 30, and the surface of sealed cover block 39 and the inner wall swing joint of sleeve pipe 30 because the cooperation between sleeve pipe 30 and the sealed cover block 39 will the secondary seal effect between water pipe 6 and standpipe 37, the effectual leakage that prevents the water source.

Wherein, the outer fixed surface of rose box 28 bottom cup joints end cover piece 33, the bottom of end cover piece 33 and the bottom swing joint of 2 inner chambers of water tank, location notch 34 has been seted up to the inside of end cover piece 33, the quantity of location notch 34 is four, four location notch 34's size is the same, location axle 35 has been cup jointed in the equal activity of inside of four location notches 34, the bottom of location axle 35 and the bottom fixed connection of 2 inner chambers of water tank, because the cooperation between location notch 34 and the location axle 35, will realize the holistic positioning action to rose box 28, the operating personnel of having made things convenient for installs.

Wherein, the fixed intercommunication in bottom on water tank 2 right side has the solenoid valve 40 that is located riser 3 inside, and the fixed intercommunication in right side of solenoid valve 40 has the drain pipe 41 that is located riser 3 outside, and solenoid valve 40 is current device, and solenoid valve 40's model is applicable to LD512.5 series, because the cooperation between solenoid valve 40 and the drain pipe 41 to the inside water source of operating personnel drainage water tank 2 of being convenient for.

The working principle and the using process of the invention are as follows: when an operator needs to perform water spraying maintenance on the ground of a road and a bridge, the water pump 5 can be started at the moment, the water pump 5 runs through the water pipe 6, the sleeve 30, the vertical pipe 37 and the filter box 28 in sequence to extract a water source, then the water source runs through the conveying pipe 7, the rectangular pipe 10, the bent pipe 15 and the inner sleeve 14 in sequence to enter the movable box 16, finally the water source is sprayed out from the water spraying head 17, when the operator needs to adjust the angle of the water spraying head 17, the operator can start the pneumatic cylinder 12 at the moment, the tooth plate 13 is moved by the running of the pneumatic cylinder 12, meanwhile, the tooth plate 13 drives the movable box 16 and the water spraying head 17 to perform angle deflection through the meshing action between the tooth plate 13 and the tooth block 20, so as to realize the adjustment of the water spraying angle of the water spraying head 17, when the maintenance device is used for a long time, a large amount of water impurities, at this moment, an operator can open the electromagnetic valve 40, so that water remaining inside the water tank 2 can be discharged from the water discharge pipe 41, then the pull rod 26 is pulled to open the sealing door 25, then the internal thread movable sleeve 29 is rotated to drive the sleeve 30 to move upwards, when the bottom of the sleeve 30 is level with the bottom of the round-mouth block 31, then the filter tank 28 can be pulled, so that the positioning shaft 35 is separated from the inside of the positioning notch 34, and then the filter tank 28 can be integrally taken out from the space between the bottom of the inner cavity of the water tank 2 and the bottom of the round-mouth block 31, so that the filter screen 36 can be completely cleaned.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A maintenance device for road and bridge, includes bottom plate (1), its characterized in that: a water tank (2) is arranged on the bottom plate (1); the upper part of the water tank (2) is provided with a water adding pipe (27), and the lower part of the water tank is provided with a water discharging pipe (41); a filter box (28) is arranged in the water tank (2), one end of the water pipe (6) is connected with the water outlet end of the filter box (28), the other end of the water pipe is connected with the conveying pipe (7), and the conveying pipe (7) extends out of the water tank (2) after passing through the water pump (5);

the water outlet end of the conveying pipe (7) is communicated with the rectangular pipe (10), two ends of the rectangular pipe (10) are connected with downward-bent pipes (15), and the two bent pipes (15) penetrate through the fixed frame (9) and are inserted into the sliding box (16);

the fixed frame (9) is arranged on the bottom plate (1), two sides of the movable box (16) are movably sleeved with the fixed frame (9), one side of the movable box (16) close to the water tank (2) is provided with a tooth block (20), and one side of the movable box (16) far away from the water tank (2) is provided with a water spray head (17);

the side surface of the water tank (2) is movably connected with a dental plate (13), the dental plate (13) is driven by the cylinder (12) to move up and down, and the dental plate (13) is meshed with the dental block (20) and is connected with the dental block.

2. A maintenance device for road and bridge according to claim 1, characterized in that: the fixed intercommunication in top of rectangle pipe (10) and the bottom of conveyer pipe (7), the side fixed mounting of water tank (2) has fixed case (11), the inside fixed mounting of fixed case (11) has pneumatic cylinder (12), pneumatic cylinder (12) and water tank (2) fixed connection, the bottom fixed mounting of pneumatic cylinder (12) has tooth board (13) that are located fixed case (11) below.

3. A maintenance device for road and bridge according to claim 2, characterized in that: water tank (2) side seted up and erect groove (21), erect groove (21) and tooth dental lamina (13) position and correspond, the inside activity of erecting groove (21) has cup jointed motion block (22), the inner wall swing joint with erecting groove (21) of motion block (22), the fixed connection with tooth dental lamina (13) of motion block (22).

4. A maintenance device for road and bridge according to claim 1, characterized in that: the inner sleeves (14) are fixedly sleeved in the two sides of the fixing frame (9), the bottom end of the bent pipe (15) penetrates through the fixing frame (9) and the inner sleeves (14) in sequence and extends into the inner wall of the inner sleeves (14), and the front face and the back face of the movable box (16) are located outside the fixing frame (9).

5. A maintenance device for road and bridge according to claim 4, characterized in that: the two ends of the movable box (16) are fixedly communicated with movable pipes (18), the other ends of the movable pipes (18) sequentially penetrate through the fixed frame (9) and the inner sleeve (14) and extend into the inner wall of the inner sleeve (14), and the bottom end of the bent pipe (15) and the other ends of the movable pipes (18) are fixedly communicated with round blocks (19) located inside the inner sleeve (14).

6. A maintenance device for road and bridge according to claim 1, characterized in that: the surface screw thread of water pipe (6) bottom cup joint has internal thread movable sleeve (29), the bottom fixed mounting of internal thread movable sleeve (29) has sleeve pipe (30) that is located water pipe (6) outside, top mouth (32) have been seted up at the top of sleeve pipe (30), the size of top mouth (32) is greater than the size of water pipe (6), the bottom mounting intercommunication of water pipe (6) has round mouthful piece (31) that is located sleeve pipe (30) inside, the surface of round mouthful piece (31) and the inner wall swing joint of sleeve pipe (30).

7. A maintenance device for road and bridge according to claim 1, characterized in that: the inside fixed mounting of rose box (28) surface have filter screen (36), the fixed intercommunication in middle part on rose box (28) top has standpipe (37), the surface mounting of standpipe (37) has cup jointed sealed piece (38) that are located sleeve pipe (30) below, the top of sealed piece (38) and the bottom swing joint of sleeve pipe (30).

8. A maintenance device for road and bridge according to claim 7, characterized in that: the outer surface of the top end of the vertical pipe (37) is fixedly sleeved with a sealing sleeve block (39) positioned in the casing pipe (30), and the outer surface of the sealing sleeve block (39) is movably connected with the inner wall of the casing pipe (30).

9. A maintenance device for road and bridge according to claim 1, characterized in that: the outer surface of the bottom end of the filter box (28) is fixedly sleeved with a bottom sleeve block (33), the bottom of the bottom sleeve block (33) is movably connected with the bottom of an inner cavity of the water tank (2), positioning notches (34) are formed in the bottom sleeve block (33), the number of the positioning notches (34) is four, the four positioning notches (34) are identical in size, positioning shafts (35) are movably sleeved in the four positioning notches (34), and the bottom ends of the positioning shafts (35) are fixedly connected with the bottom of the inner cavity of the water tank (2).

10. A maintenance device for road and bridge according to claim 1, characterized in that: the bottom of the bottom plate (1) is provided with a roller (24), the front surface of the water tank (2) is hinged with a sealing door (25), and the sealing door (25) is provided with a pull rod (26); the side of the water tank (2) is provided with a vertical plate (3), and the side of the vertical plate (3) is provided with a handle (23).