阅读说明：本技术 一种市政排水井盖用喷漆装置及其喷漆方法 (Paint spraying device for municipal drainage well lid and paint spraying method thereof ) 是由 闫书彦 于 2021-07-09 设计创作，主要内容包括：本发明公开了一种市政排水井盖用喷漆装置,包括工作台,工作台的中部正下方设置有转盘,转盘的外侧设置有多个呈环形阵列分布的连接杆,连接杆的两端均固定连接有连接环,转盘的上表面的周侧与位于连接杆一端的连接环通过转轴活动插接,位于连接杆另一端的连接环的中部通过轴承活动插接有滑杆。本发明还公开了一种市政排水井盖用喷漆装置的使用方法,包括四个步骤,从而避免了井盖发生位置偏移而影响喷漆。本发明通过在喷管的外侧活动套接有多个呈等间距线性分布的环形套,喷头通过连通孔与喷管的内腔连通,通过转动环形套能将喷头的内腔与喷管的内腔断开连通,因此本装置能够根据井盖尺寸来快速调节喷漆范围。(The invention discloses a paint spraying device for a municipal drainage well lid, which comprises a workbench, wherein a rotary table is arranged right below the middle part of the workbench, a plurality of connecting rods distributed in an annular array are arranged on the outer side of the rotary table, connecting rings are fixedly connected to two ends of the connecting rods, the peripheral side of the upper surface of the rotary table is movably inserted into the connecting ring at one end of the connecting rod through a rotating shaft, and a sliding rod is movably inserted into the middle part of the connecting ring at the other end of the connecting rod through a bearing. The invention also discloses a using method of the paint spraying device for the municipal drainage well lid, which comprises four steps, so that the influence of the well lid position deviation on paint spraying is avoided. According to the invention, the annular sleeves which are linearly distributed at equal intervals are movably sleeved on the outer side of the spray pipe, the spray head is communicated with the inner cavity of the spray pipe through the communicating hole, and the inner cavity of the spray head can be disconnected and communicated with the inner cavity of the spray pipe by rotating the annular sleeves, so that the spray painting range can be quickly adjusted according to the size of the well cover.)

1. The utility model provides a paint spraying apparatus for municipal administration drainage well lid, includes workstation (1), its characterized in that, be provided with carousel (2) under the middle part of workstation (1), the outside of carousel (2) is provided with a plurality of connecting rods (3) that are the distribution of annular array, the equal fixedly connected with go-between (4) in both ends of connecting rod (3), week side of the upper surface of carousel (2) is pegged graft through the pivot activity with go-between (4) that are located connecting rod (3) one end, and the middle part of go-between (4) that is located the connecting rod (3) other end is pegged graft through the bearing activity has slide bar (5), the upper surface of workstation (1) runs through and is seted up a plurality of logical groove (6) that are the distribution of annular array, the upper end activity of slide bar (5) runs through logical groove (6) and extends to the top of workstation (1), the upper end fixedly connected with of slide bar (5) presss from both sides tight piece (7), the top of workstation (1) is provided with roof (8), the equal fixedly connected with support frame (9) in both sides of the lower surface of roof (8), the lower extreme of support frame (9) is connected with the last fixed surface of workstation (1), the middle part activity through connection of roof (8) has movable pipe (10), the lower extreme intercommunication of movable pipe (10) has three way connection (11), two outputs of three way connection (11) all communicate spray tube (12) that the level set up, a plurality of annulars (13) that are equidistant linear distribution have been cup jointed in the outside activity of spray tube (12), the lateral wall lower extreme fixedly connected with shower nozzle (14) of annulars (13).

2. The paint spraying device for the municipal drainage well lid according to claim 1, wherein the lower end of the inner side wall of the spray pipe (12) and the inner side wall of the annular sleeve (13) are both provided with communication holes (15), the communication holes (15) in the spray pipe (12) are provided with a plurality of communication holes (15) which are corresponding to the plurality of annular sleeves (13) one by one, and the inner cavity of the spray head (14) is communicated with the inner cavity of the spray pipe (12) through the communication holes (15).

3. The paint spraying device for the municipal drainage well lid according to claim 2, wherein clamping grooves (16) are formed in both sides and the upper end of the outer side wall of the spray pipe (12), a rubber protrusion (17) is adhesively connected to the upper end of the inner side wall of the annular sleeve (13), and the rubber protrusion (17) is located in the inner cavity of one clamping groove (16) and is matched with the clamping groove (16).

4. The paint spraying device for the municipal drainage well lid according to claim 3, wherein a driving motor (18) is fixedly connected to one side of the upper surface of the top plate (8), driving wheels (19) are fixedly sleeved on the outer sides of one end of a rotating shaft of the driving motor (18) and the upper end of the movable pipe (10), and the two driving wheels (19) are in transmission connection through a belt.

5. The municipal drainage well lid paint spraying apparatus according to claim 4, wherein the upper and lower sides of the top plate (8) are both connected with a limit stop ring (20) in a fitting manner, the limit stop ring (20) is fixedly sleeved outside the middle of the movable pipe (10), the upper end of the movable pipe (10) is provided with a paint inlet pipe (22), and the upper end of the movable pipe (10) is movably connected with one end of the paint inlet pipe (22) through a rotary connector (21).

6. The paint spraying device for the municipal drainage well lid according to claim 5, wherein a bottom plate (23) is arranged below the workbench (1), support plates (24) are fixedly connected to both sides of the upper surface of the bottom plate (23), the upper end surface of each support plate (24) is fixedly connected with the lower surface of the workbench (1), a movable shaft (25) is movably inserted in the middle of the upper surface of the bottom plate (23) through a bearing, and the upper end of each movable shaft (25) is fixedly inserted in the middle of the turntable (2).

7. The municipal drainage well lid paint spraying apparatus according to claim 6, wherein the worm gear (26) is fixedly sleeved on the outer side of the lower end of the movable shaft (25), one side of the worm gear (26) is engaged with the worm (27), the positioning blocks (28) are movably sleeved at the two ends of the worm (27) through bearings, the positioning blocks (28) are fixedly connected with the upper surface of the bottom plate (23), the upper surface of the bottom plate (23) is fixedly connected with the positive and negative motor (29), and one end of the rotating shaft of the positive and negative motor (29) is fixedly connected with the worm (27).

8. The municipal drainage well lid paint spraying apparatus according to claim 7, wherein the middle parts of the upper and lower sides of the top plate (8) are annularly provided with an arc-shaped groove (30), one side of the two limit stop rings (20) close to each other is provided with a plurality of circular holes (31) distributed in an annular array, the inner cavity of each circular hole (31) is provided with a ball (32) matched with the corresponding circular hole (31), and one end of each ball (32) is located in the inner cavity of the corresponding arc-shaped groove (30) and matched with the corresponding arc-shaped groove (30).

9. A paint spraying method of a paint spraying device for municipal drainage well lids is characterized by comprising the following steps:

the method comprises the following steps: firstly, a well lid is placed on the upper surface of a workbench (1), then a positive and negative motor (29) is started, the positive and negative motor (29) drives a worm (27) to rotate when working, then a worm wheel (26) is driven to rotate through meshing transmission between the worm (27) and the worm wheel (26), and the worm wheel (26) drives a turntable (2) to rotate through the connection effect of a movable shaft (25) when rotating;

step two: when the rotary table (2) rotates, the slide rod (5) is driven to horizontally slide in the inner cavity of the through groove (6) through the connection effect of the connecting rod (3), and then the clamping blocks (7) are driven to horizontally slide, so that the clamping blocks (7) can be synchronously moved and gathered together until the concave side surfaces of the clamping blocks (7) are attached to the edge of the well cover, the well cover can be clamped and positioned by the clamping blocks (7), the position of the well cover is ensured to be positioned in the middle of the upper surface of the workbench (1), and meanwhile, the worm wheel (26) and the worm (27) can only be in one-way meshing transmission, so that the well cover can be effectively prevented from loosening after the clamping blocks (7) clamp the well cover;

step three: then the spray painting range of the device is adjusted: the communication hole (15) on the annular sleeve (13) and the communication hole (15) on the spray pipe (12) are staggered by rotating the annular sleeve (13), so that the inner cavity of the spray head (14) and the inner cavity of the spray pipe (12) can be disconnected and communicated, the spray head (14) cannot spray paint, the paint spraying range of the device is adjusted according to the radius of the well cover, and the waste of the paint and the pollution of the paint to the surrounding environment can be avoided;

step four: then start driving motor (18), paint in advancing pipe (22) simultaneously lets in the inner chamber of activity pipe (10), driving motor (18) during operation is connected through the transmission of drive wheel (19) and belt and can drives activity pipe (10) and rotate, and then drive spray tube (12) and annular cover (13) and rotate around activity pipe (10), and the paint in activity pipe (10) gets into the inner chamber of two spray tubes (12) through three way connection (11), and spout in a plurality of shower nozzles (14) at last through a plurality of intercommunicating pores (15), thereby can carry out effectual processing of spraying paint to the well lid.

Technical Field

The invention relates to the technical field of well lid paint spraying, in particular to a paint spraying device for a municipal drainage well lid and a paint spraying method thereof.

Background

The well lid for cover road or the deep well of family, prevent that people or object from falling, can divide into metal well lid, high strength fiber cement concrete well lid, resin well lid etc. according to the material, generally adopt circularly, can be used to greenbelt, pavement, motorway, pier, lane etc. the well lid need be to its processing of spraying paint usually in the course of working.

However, at present, current municipal administration is paint spraying apparatus for drainage well lid, in the processing procedure that sprays paint to circular well lid, unable fine carry out quick accurate location to the well lid to lead to the well lid to take place the skew easily and lead to the effect variation that sprays paint, secondly, can't come the scope that quick adjustment sprayed paint according to not unidimensional well lid, thereby lead to on partial paint spouts the workstation, not only resource-wasting, cause serious pollution to the surrounding environment in addition easily.

Disclosure of Invention

The invention aims to provide a paint spraying device for municipal drainage well lids and a paint spraying method thereof, which aim to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a municipal administration drainage paint spraying apparatus for well lid, the upper end activity of slide bar runs through logical groove and extends to the top of workstation, the tight piece of upper end fixedly connected with clamp of slide bar, the top of workstation is provided with the roof, the equal fixedly connected with support frame in both sides of the lower surface of roof, the lower extreme of support frame is connected with the last fixed surface of workstation, the middle part activity through connection of roof has the expansion pipe, the lower extreme intercommunication of expansion pipe has three way connection, two outputs of three way connection all communicate the spray tube that the level set up, a plurality of annular cover that are equidistant linear distribution have been cup jointed in the outside activity of spray tube, the lateral wall lower extreme fixedly connected with shower nozzle of annular cover.

Preferably, the lower end of the inner side wall of the spray pipe and the inner side wall of the annular sleeve are both provided with communicating holes, the communicating holes in the spray pipe are provided with a plurality of communicating holes which are in one-to-one correspondence with the communicating holes in the annular sleeves, and the inner cavity of the spray head is communicated with the inner cavity of the spray pipe through the communicating holes.

Preferably, the clamping grooves are formed in the two sides and the upper end of the outer side wall of the spray pipe, the rubber bulge is connected to the upper end of the inner side wall of the annular sleeve in a bonding mode, and the rubber bulge is located in an inner cavity of one clamping groove and matched with the clamping groove.

Preferably, one side of the upper surface of the top plate is fixedly connected with a driving motor, the outer side of one end of a rotating shaft of the driving motor and the outer side of the upper end of the movable pipe are fixedly sleeved with driving wheels, and the two driving wheels are connected through a belt in a transmission manner.

Preferably, the upper and lower both sides face of roof all the laminating is connected with spacing fender ring, the fixed cover of spacing fender ring is in the middle part outside of movable tube, the upper end of movable tube is provided with paint and advances the pipe, the upper end of movable tube and paint advance through swivelling joint head swing joint between the one end of managing.

Preferably, a bottom plate is arranged below the workbench, supporting plates are fixedly connected to two sides of the upper surface of the bottom plate, the upper end face of each supporting plate is fixedly connected with the lower surface of the workbench, a movable shaft is movably inserted in the middle of the upper surface of the bottom plate through a bearing, and the upper end of the movable shaft is fixedly inserted in the middle of the turntable.

Preferably, the fixed worm wheel that has cup jointed in the lower extreme outside of loose axle, one side meshing of worm wheel is connected with the worm, the locating piece has all been cup jointed through the bearing activity at the both ends of worm, the last fixed surface of locating piece and bottom plate is connected, the last fixed surface of bottom plate is connected with positive and negative motor, the one end and the worm fixed connection of positive and negative motor's pivot.

Preferably, the arc wall has all been seted up to the equal annular in middle part of the upper and lower both sides face of roof, two a plurality of round holes that are the annular array and distribute are all seted up to the side that spacing fender ring is close to each other, the inner chamber of round hole is provided with the ball with round hole looks adaptation, the one end of ball is located the inner chamber of arc wall and with arc wall looks adaptation.

A paint spraying method of a paint spraying device for municipal drainage well lids comprises the following steps:

the method comprises the following steps: firstly, a well lid is placed on the upper surface of a workbench, then a positive and negative motor is started, the positive and negative motor drives a worm to rotate when working, then a worm wheel is driven to rotate through meshing transmission between the worm and the worm wheel, and the worm wheel drives a turntable to rotate through the connecting action of a movable shaft when rotating;

step two: when the rotary table rotates, the slide rod is driven to horizontally slide in the inner cavity of the through groove through the connection effect of the connecting rod, and then the clamping blocks are driven to horizontally slide, so that the clamping blocks can be guaranteed to synchronously move and gather together until the concave side surfaces of the clamping blocks are attached to the edge of the well cover, the well cover can be clamped and positioned by the clamping blocks at the moment, the position of the well cover is guaranteed to be located in the middle of the upper surface of the workbench, and meanwhile, the worm wheel and the worm can only be in one-way meshing transmission, so that the well cover can be effectively prevented from loosening after the clamping blocks clamp the well cover;

step three: then the spray painting range of the device is adjusted: the inner cavity of the spray head and the inner cavity of the spray pipe can be disconnected and communicated by rotating the annular sleeve to enable the annular sleeve to be staggered with the communicating hole on the spray pipe, so that paint cannot be sprayed by the spray head, the paint spraying range of the device is adjusted according to the radius of the well lid, and waste of the paint and pollution of the paint to the surrounding environment can be avoided;

step four: then start driving motor, simultaneously advance the paint of pipe into with the paint and let in the inner chamber of movable pipe, driving motor during operation is connected through the transmission of drive wheel and belt and can drives the movable pipe and rotate, and then drives spray tube and annular cover and surround the movable pipe and rotate, and the paint in the movable pipe gets into the inner chamber of two spray tubes through three way connection to spout in a plurality of shower nozzles at last through a plurality of intercommunicating pores, thereby can carry out effectual processing of spraying paint to the well lid.

The invention has the technical effects and advantages that:

(1) according to the invention, the connecting rods are arranged on the outer side of the turntable, one ends of the connecting rods are movably connected with the turntable, the other ends of the connecting rods are movably connected with the sliding rods, and the upper ends of the sliding rods movably penetrate through the through grooves and are fixedly connected with the clamping blocks, so that the clamping blocks can be driven to synchronously slide and gather together under the connecting action of the connecting rods when the turntable rotates, the well cover can be quickly and stably positioned, the well cover is ensured to be positioned in the middle of the upper surface of the workbench, and the well cover is prevented from being subjected to position deviation to influence paint spraying;

(2) according to the invention, the worm wheel is fixedly sleeved outside the lower end of the movable shaft, the upper end of the movable shaft is fixedly inserted in the middle of the rotary table, one side of the worm wheel is meshed and connected with the worm, and one end of the worm is fixedly connected with one end of the rotating shaft of the positive and negative motor, so that the positive and negative motor can drive the rotary table to rotate when working, and the worm wheel can only drive in one direction, so that the device can effectively prevent the rotary table from easily rotating to cause the position of the well cover to deviate;

(3) according to the invention, the annular sleeves which are linearly distributed at equal intervals are movably sleeved on the outer side of the spray pipe, the communication holes are formed in the lower end of the inner side wall of the spray pipe and the lower end of the inner side wall of the annular sleeve, and the spray head is communicated with the inner cavity of the spray pipe through the communication holes, so that the inner cavity of the spray head can be disconnected and communicated with the inner cavity of the spray pipe by rotating the annular sleeves, and the spray painting range can be quickly adjusted according to the size of the well cover, thereby avoiding the waste of paint and further avoiding the pollution to the surrounding environment.

Drawings

Fig. 1 is a schematic front view of the overall structure of the present invention.

FIG. 2 is a schematic top view of the clamping block of the present invention.

FIG. 3 is a schematic top view of the worm gear of the present invention.

FIG. 4 is a schematic side sectional view of the annular sheath of the present invention.

FIG. 5 is a schematic cross-sectional view of a retainer ring according to the present invention.

In the figure: 1. a work table; 2. a turntable; 3. a connecting rod; 4. a connecting ring; 5. a slide bar; 6. a through groove; 7. a clamping block; 8. a top plate; 9. a support frame; 10. a movable tube; 11. a three-way joint; 12. a nozzle; 13. an annular sleeve; 14. a spray head; 15. a communicating hole; 16. a card slot; 17. a rubber bulge; 18. a drive motor; 19. a driving wheel; 20. a limit stop ring; 21. a rotary connector; 22. feeding paint into the pipe; 23. a base plate; 24. a support plate; 25. a movable shaft; 26. a worm gear; 27. a worm; 28. positioning blocks; 29. a positive and negative motor; 30. an arc-shaped slot; 31. a circular hole; 32. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a paint spraying device for municipal drainage well lids as shown in figures 1-5, which comprises a workbench 1, wherein a turntable 2 is arranged right below the middle part of the workbench 1, a plurality of connecting rods 3 distributed in an annular array are arranged on the outer side of the turntable 2, two ends of each connecting rod 3 are fixedly connected with a connecting ring 4, the periphery of the upper surface of the turntable 2 is movably inserted with the connecting ring 4 at one end of the connecting rod 3 through a rotating shaft, a sliding rod 5 is movably inserted in the middle of the connecting ring 4 at the other end of the connecting rod 3 through a bearing, the upper surface of the workbench 1 is provided with a plurality of through grooves 6 distributed in an annular array in a penetrating way, the upper ends of the sliding rods 5 movably penetrate through the through grooves 6 and extend to the upper part of the workbench 1, the sliding rods 5 can horizontally slide in the inner cavities of the through grooves 6, the upper ends of the sliding rods 5 are fixedly connected with clamping blocks 7, so that the plurality of the sliding rods 5 can be driven to synchronously slide in the inner cavities of the through the connecting rods 3 when the turntable 2 rotates, and then drive a plurality of tight piece 7 synchronous sliding of clamp and gather together each other to this can press from both sides tight location to the well lid, and guarantee that the well lid is located the positive middle part of workstation 1's upper surface.

Further, be provided with roof 8 in the top of workstation 1, the equal fixedly connected with support frame 9 in both sides of the lower surface of roof 8, the lower extreme of support frame 9 is connected with the last fixed surface of workstation 1, the middle part activity through connection of roof 8 has movable pipe 10, the lower extreme intercommunication of movable pipe 10 has three way connection 11, two outputs of three way connection 11 all communicate the spray tube 12 that has the level to set up, movable pipe 10 can rotate, and then drive spray tube 12 and rotate.

Secondly, a plurality of annular sleeves 13 which are linearly distributed at equal intervals are movably sleeved on the outer side of the spray pipe 12, a rubber pad is connected to the inner wall of each annular sleeve 13 in a bonding mode, the sealing performance between the inner wall of each annular sleeve 13 and the outer wall of the spray pipe 12 can be improved, a spray head 14 is fixedly connected to the lower end of the outer side wall of each annular sleeve 13, communication holes 15 are formed in the lower end of the inner side wall of each spray pipe 12 and the inner side wall of each annular sleeve 13, the communication holes 15 in each spray pipe 12 are in one-to-one correspondence with the communication holes 15 in the annular sleeves 13, the inner cavity of each spray head 14 is communicated with the inner cavity of each spray pipe 12 through the communication holes 15, each annular sleeve 13 can rotate on the outer side of each spray pipe 12, the communication holes 15 in each annular sleeve 13 and the communication holes 15 in each spray pipe 12 can be communicated or staggered through rotation of the annular sleeves 13, the spray painting range of the device can be adjusted, clamping grooves 16 are formed in the two sides and the upper end of the outer side wall of each spray pipe 12, the upper end adhesive connection of the inside wall of the annular sleeve 13 has a rubber bulge 17, the rubber bulge 17 is located in the inner cavity of one clamping groove 16 and is matched with the clamping groove 16, and the clamping groove 16 and the rubber bulge 17 are arranged to ensure that the annular sleeve 13 cannot easily rotate.

Specifically, one side fixedly connected with driving motor 18 at the upper surface of roof 8, the one end outside of driving motor 18's pivot and the upper end outside of activity pipe 10 all are fixed and have been cup jointed drive wheel 19, connect through belt drive between two drive wheels 19, therefore driving motor 18 during operation can drive activity pipe 10 and rotate, the equal laminating of the upper and lower both sides face of roof 8 is connected with spacing fender ring 20, spacing fender ring 20 is fixed to be cup jointed in the middle part outside of activity pipe 10, spacing fender ring 20's setting can fix a position activity pipe 10, in order to avoid activity pipe 10 to reciprocate in vertical direction, the upper end of activity pipe 10 is provided with paint and advances tub 22, the upper end of activity pipe 10 and paint advance to manage through swivelling joint head 21 swing joint between 22's the one end, swivelling joint head 21 sets up and is used for advancing tub 22 with activity pipe 10 and paint and carry out swivelling joint.

Secondly, a bottom plate 23 is arranged below the workbench 1, support plates 24 are fixedly connected to both sides of the upper surface of the bottom plate 23, the upper end surface of the support plate 24 is fixedly connected with the lower surface of the workbench 1, a movable shaft 25 is movably inserted in the middle of the upper surface of the bottom plate 23 through a bearing, the upper end of the movable shaft 25 is fixedly inserted in the middle of the turntable 2, a worm wheel 26 is fixedly sleeved on the outer side of the lower end of the movable shaft 25, so the turntable 2 can be driven to rotate through the connecting action of the movable shaft 25 when the worm wheel 26 rotates, one side of the worm wheel 26 is engaged and connected with a worm 27, positioning blocks 28 are movably sleeved on both ends of the worm 27 through bearings, the positioning blocks 28 are fixedly connected with the upper surface of the bottom plate 23, a positive and negative motor 29 is fixedly connected to the upper surface of the bottom plate 23, one end of the rotating shaft of the positive and negative motor 29 is fixedly connected with the worm 27, so that the positive and negative motor 29 can drive the worm 27 to rotate when working, the worm 27 and the worm wheel 26 can be driven to rotate through meshing transmission between the worm 27 and the worm wheel 26, and meanwhile, the worm 27 and the worm wheel 26 can only be in one-way transmission, so that the worm wheel 26 can be effectively prevented from easily rotating.

Further, arc wall 30 has all been seted up to the annular in the middle part of the upper and lower both sides face of roof 8, a plurality of round holes 31 that are the annular array and distribute are all seted up to the side that two spacing fender rings 20 are close to each other, the inner chamber of round hole 31 be provided with the ball 32 of round hole 31 looks adaptation, the one end of ball 32 be located the inner chamber of arc wall 30 and with the adaptation of arc wall 30, the setting of arc wall 30 and ball 32 can effectively reduce the frictional force that produces between when spacing fender ring 20 rotates and roof 8.

The invention also discloses a paint spraying method of the paint spraying device for the municipal drainage well lid, which comprises the following steps:

the method comprises the following steps: firstly, the well lid is placed on the upper surface of the workbench 1, then the positive and negative motor 29 is started, the positive and negative motor 29 drives the worm 27 to rotate when working, then the worm 27 and the worm wheel 26 are driven to rotate through meshing transmission between the worm 27 and the worm wheel 26, and the worm wheel 26 drives the turntable 2 to rotate through the connecting action of the movable shaft 25 when rotating;

step two: when the rotary table 2 rotates, the slide rod 5 is driven to horizontally slide in the inner cavity of the through groove 6 through the connecting action of the connecting rod 3, and then the clamping blocks 7 are driven to horizontally slide, so that the clamping blocks 7 can be synchronously moved and gathered together until the concave side surfaces of the clamping blocks 7 are attached to the edge of the well cover, the well cover can be clamped and positioned by the clamping blocks 7, the well cover is ensured to be positioned in the middle of the upper surface of the workbench 1, and meanwhile, the worm wheel 26 and the worm 27 can only be in one-way meshing transmission, so that the well cover can be effectively prevented from loosening after the clamping blocks 7 clamp the well cover;

step three: then the spray painting range of the device is adjusted: the communication hole 15 on the annular sleeve 13 is staggered with the communication hole 15 on the spray pipe 12 by rotating the annular sleeve 13, so that the inner cavity of the spray head 14 can be disconnected from the inner cavity of the spray pipe 12, the spray head 14 cannot spray paint, the paint spraying range of the device is adjusted according to the radius of the well lid, and the waste of the paint and the pollution of the paint to the surrounding environment can be avoided;

step four: then start driving motor 18, simultaneously advance the paint of paint in the pipe 22 and let in the inner chamber of activity pipe 10, driving motor 18 during operation is connected through the transmission of drive wheel 19 and belt and can be driven the activity pipe 10 and rotate, and then drive spray tube 12 and annular cover 13 and rotate around activity pipe 10, and the paint in the activity pipe 10 gets into the inner chamber of two spray tubes 12 through three way connection 11, and spout in a plurality of shower nozzles 14 through a plurality of intercommunicating pores 15 at last, thereby can carry out effectual processing of spraying paint to the well lid.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.