CN111015238B

CN111015238B - Steel pipe internal rust removal device for construction site

Info

Publication number: CN111015238B
Application number: CN202010002736.8A
Authority: CN
Inventors: 马海敏
Original assignee: Anhui Quyang Construction Co ltd
Current assignee: Anhui Quyang Construction Co.,Ltd.
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-09-10
Anticipated expiration: 2040-01-02
Also published as: CN111015238A

Abstract

The invention relates to the technical field of building steel maintenance, in particular to a steel pipe internal rust removal device for a building site, which solves the problems that the existing steel pipe rust removal mode is mainly carried out in a manual erasing mode, the manual rust removal efficiency is low, the labor intensity is high, the rust removal time is long, and the rust removal effect is poor; the rear end of the pretreatment device is fixedly connected with the rust removal device, the rear end of the rust removal device is fixedly connected with the walking device, and the rear end of the walking device is fixedly connected with the flushing device; the rust that can strike off through preprocessing device with steel pipe internal surface strikes off, then the rust stain that rust cleaning device got rid of is cleaned in decontamination plant's operation, and the water stain that leaves the decontamination plant in with the steel pipe through drying device afterwards has liquid wax with the inner wall spraying through the spraying device, prevents that the steel pipe inner wall from once more rustting, and whole set of device can make whole set of device walk in the steel pipe through running gear, need not to remove the steel pipe, practices thrift the manpower.

Description

Steel pipe internal rust removal device for construction site

Technical Field

The invention relates to the technical field of building steel maintenance, in particular to a steel pipe interior rust removal device for a building site.

Background

Some steel pipes can be used in the building construction process, and the outer surfaces of the steel pipes can rust after being stored for a period of time, so that the use of the steel pipes is influenced.

The existing steel pipe derusting mode is mainly carried out by manual erasing, the manual derusting efficiency is low, the labor intensity is high, the derusting time is long, and the derusting effect is poor.

Disclosure of Invention

The invention relates to the technical field of building steel maintenance, in particular to a device for removing rust in a steel pipe based on a building site, the steel pipe inner surface can be scraped with the scraped rust by the pretreatment device, so that the material in the rust removing device can be saved, the rust removing device can completely remove the rust on the inner wall of the steel pipe, then the rust stain removed by the rust removing device is cleaned by the operation of the decontamination device, and then the water stain left by the decontamination device in the steel pipe is stained by the drying device, meanwhile, the inner wall of the steel pipe can be prevented from being corroded again by water in the steel pipe, after the inner wall of the steel pipe is dried by the drying device, the inner wall is sprayed with the liquid wax through the spraying device, the inner wall of the steel pipe is prevented from rusting again, the strength of the steel pipe is influenced, the whole device can enable the whole device to walk in the steel pipe through the walking device, the steel pipe does not need to be moved, and manpower is saved.

In order to solve the technical problems, the invention relates to the technical field of building steel maintenance, in particular to a steel pipe internal rust removal device for a building site, which comprises a pretreatment device, a rust removal device, a walking device, a flushing device, a drying device and a spraying device; the rear end of the pretreatment device is fixedly connected with the rust removal device, the rear end of the rust removal device is fixedly connected with the walking device, the rear end of the walking device is fixedly connected with the flushing device, the rear end of the flushing device is provided with the drying device, and the rear side of the drying device is fixedly connected with the spraying device.

As further optimization of the technical scheme, the steel pipe inner rust removal device for the construction site comprises a rotating disc, a rotating shaft, a first electric telescopic rod, a sleeve, a spring, an adjusting rod and an arc-shaped scraper, wherein the rotating disc is arranged on the inner side of the steel pipe; the one end and the rust cleaning device fixed connection of pivot, the other end and the rotatory disc key-type connection of pivot, the top of rotatory disc is provided with the first electric telescopic handle of a plurality of groups, every group the link and the sleeve fixed connection of first electric telescopic handle, in the sleeve with the one end fixed connection of spring, the other end and the regulation pole fixed connection of spring, adjust the pole and still cup joint inside the sleeve, adjust the upper end and the arc scraper fixed connection of pole.

As further optimization of the technical scheme, the rust removing device for the interior of the steel pipe for the construction site comprises a worm, a rust removing motor, a second electric telescopic rod, a rust removing shell, a first transmission worm gear, a first connecting shaft, a first helical gear, a second connecting shaft, a first connecting rod, a rust removing head, a third helical gear, a fourth helical gear, a third connecting shaft, a second connecting rod, a second transmission worm gear, a fourth connecting shaft, a fifth helical gear, a sixth helical gear, a fifth connecting shaft and a third connecting rod; the end face of the rotating shaft is fixedly connected with one end of a worm, the other end of the worm is connected with a derusting motor through a coupler, the derusting motor is arranged on a motor base, the motor base is fixedly connected with a motor shell, the rear end of the motor shell is fixedly connected with the telescopic end of a second electric telescopic rod, the fixed end of the second electric telescopic rod is fixedly connected with a protective shell, the worm is arranged in the derusting shell, the left side and the right side of the worm are respectively provided with a first transmission worm wheel, each group of the first transmission worm wheels is meshed with the worm, each group of the first transmission worm wheels is connected with a first connecting shaft key, the first connecting shaft is also connected with a first helical gear key, the first helical gear is meshed with a second helical gear, the second helical gear is connected with one end key of a second connecting shaft, and the other end of the second connecting shaft is fixedly connected with a group of first connecting rods, the two ends of the first connecting rod are respectively and fixedly connected with the derusting head, the lower end of the first connecting shaft is also in key connection with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is in key connection with a third connecting shaft, the third connecting shaft is fixedly connected with a group of second connecting rods, the first connecting rod and the second connecting rods are in certain degree, and the two ends of the second connecting rods are respectively and fixedly connected with the derusting head; the upper side and the lower side of the worm are respectively provided with a second transmission worm wheel, each group of second transmission worm wheels is meshed with the worm, the second transmission worm wheels are in key connection with a fourth connecting shaft, the fourth connecting shaft is in key connection with a fifth helical gear, the fifth helical gear is meshed with a sixth helical gear, the sixth helical gear is in key connection with a fifth connecting shaft, the fifth connecting shaft is fixedly connected with a group of third connecting rods, and two groups of end faces of the third connecting rods are fixedly connected with the derusting head.

As a further optimization of the technical scheme, the invention relates to a steel pipe interior rust removing device for a construction site, which comprises a driving motor, a traveling shell, a first driving bevel gear, a second driving bevel gear, a first transmission shaft, a third driving bevel gear, a fourth driving bevel gear, a fifth driving bevel gear, a sixth driving bevel gear, a second transmission shaft, a traveling part, a seventh driving bevel gear, an eighth driving bevel gear and a third transmission shaft; the driving motor is arranged in the base, the base is fixedly connected with the traveling shell, the shaft of the driving motor is in key connection with the first driving bevel gear, the first driving bevel gear is meshed with the second driving bevel gear, the second driving bevel gear is connected with the first transmission shaft, the first transmission shaft penetrates through the traveling shell to be fixedly connected with a group of positioning blocks, the first transmission shaft is in key connection with the third driving bevel gear, the third driving bevel gear is meshed with one end of the fourth driving bevel gear, the other end of the fourth driving bevel gear is meshed with the fifth driving bevel gear, the side surface of the fourth driving bevel gear is meshed with the sixth driving bevel gear, the sixth driving bevel gear is in key connection with the second transmission shaft, the two ends of the second transmission shaft penetrate through the traveling shell to be fixedly connected with the traveling part, and the fifth driving bevel gear is meshed with the seventh driving bevel gear, the side surface of the seventh driving bevel gear is meshed with the eighth driving bevel gear, the eighth driving bevel gear is in key connection with a third transmission shaft, and two ends of the third transmission shaft penetrate through the traveling shell to be fixedly connected with the traveling part;

the walking part comprises a connecting disc, a first connecting rod, a first connecting block, a second connecting block, a third connecting block, a second connecting rod, a first rotating rod, a second rotating rod, a first walking block, a fourth connecting block, a sixth connecting block, a third connecting rod, a third rotating rod, a second walking block, a fourth rotating rod, an eighth connecting block, a fifth connecting block, a seventh connecting block, a fourth connecting rod, a fifth rotating rod, a third walking block and a sixth rotating rod; the connecting disc has five groups, do respectively: the connecting device comprises a first connecting disc, a second connecting disc, a third connecting disc, a fourth connecting disc and a fifth connecting disc, wherein five groups of adjacent connecting discs are fixedly connected through a first connecting rod, two ends of a second transmission shaft penetrate through the second connecting disc and are respectively fixedly connected with a first connecting block, two ends of the third transmission shaft penetrate through the fourth connecting disc and are respectively fixedly connected with a group of second connecting blocks, the third connecting disc and the third connecting block are fixedly connected through a second connecting rod, the lower end of the third connecting block is hinged with one ends of two groups of first rotating rods, the other end of each group of first rotating rods is hinged with the side face of the second rotating rod, one end of each group of second rotating rods is hinged with a first walking block, the other end of each group of second rotating rods is hinged with a fourth connecting block, the end face of the fourth connecting block is fixedly connected with a sixth connecting block, the side face of the sixth connecting block is fixedly connected with the first connecting block through a third connecting rod, the lower end of the fourth connecting block is also hinged with one end of a third rotating rod, the other end of the third rotating rod is fixedly connected with a second walking block, the third rotating rod is also hinged with a fourth rotating rod which is fixedly connected with an eighth connecting block, the inner side of the eighth connecting block is sleeved with one end of a fourth connecting rod, the other end of the fourth connecting rod is sleeved with the first connecting disc, the other end of the other group of the second rotating rods is hinged with a fifth connecting block, the fifth connecting block is fixedly connected with the seventh connecting block, the seventh connecting block is fixedly connected with the second connecting block through a fifth connecting rod, the bottom end of the fifth connecting block is also hinged with one end of a fifth rotating rod, the other end of the fifth rotating rod is fixedly connected with a third traveling block, still articulated on the fifth dwang have a sixth dwang, the expansion end and the ninth connecting block fixed connection of sixth dwang.

As further optimization of the technical scheme, the inside rust removal device of the steel pipe for the building site comprises a flushing device, a water tank, a water injection door, a handle, a positioning block, a flushing pipe, a water outlet pipe, branch pipelines and a first rotating shaft, wherein the flushing device comprises a water tank, a water injection door, a handle, a positioning block, a flushing pipe, a water outlet pipe, a branch pipeline and a first rotating shaft; the upper end and the water injection door of water tank articulate, the water injection door outside is provided with the handle, the one end and the water tank intercommunication of outlet pipe just seal through the locating piece joint and through the sealing washer, be provided with the ooff valve on the outlet pipe, the other end and the branch pipeline intercommunication of outlet pipe, all be provided with the ooff valve on each branch road of branch pipeline, a plurality of groups the flushing pipe all passes through threaded connection with branch pipeline, the terminal surface and the first axis of rotation fixed connection of branch pipeline.

As further optimization of the technical scheme, the inside rust removal device for the steel pipe based on the construction site comprises a rotary motor, a drying shell, a first rotary helical gear, a second rotary helical gear, a third rotary helical gear, a second rotary shaft, a rotary cylinder, a communicating pipe, a wind distribution pipe, a wind outlet pipe and a drying fan; the bottom of rotating electrical machines sets up in motor base, motor base's bottom and stoving casing fixed connection, the main shaft and the first rotatory helical gear key-type connection of rotating electrical machines, the both sides of first rotatory helical gear mesh with second rotatory helical gear, third rotatory helical gear respectively, second rotatory helical gear and first axis of rotation key-type connection, the one end key-type connection of third rotatory helical gear and second axis of rotation, the other end and the rotary drum fixed connection of second axis of rotation, be provided with communicating pipe in the rotary drum, the one end and the branch tuber pipe intercommunication of communicating pipe, the air-out end of branch tuber pipe passes through threaded connection with the play tuber pipe respectively, the other end and the air-out end intercommunication of stoving fan of communicating pipe, the other end and the spraying device fixed connection of stoving fan.

As further optimization of the technical scheme, the inside rust removal device for the steel pipe based on the construction site comprises a coating box, a spraying shell, a discharging pipe, a liquid distribution pipe, a liquid outlet pipe and a high-pressure spray head; the coating box is arranged in the spraying shell, the coating box is communicated with one end of the discharging pipe, a switch valve is arranged on the discharging pipe, the other end of the discharging pipe is communicated with the liquid inlet end of the liquid separating pipe, each group of connecting ends of the liquid separating pipe is communicated with one end of the liquid discharging pipe, a pressure increasing valve is arranged on the liquid discharging pipe, and each group of connecting ends of the liquid separating pipe is communicated with a high-pressure spray head.

As a further optimization of the technical scheme, the inside rust removal device for the steel pipe on the building site is provided, wherein two ends of each group of the first connecting shaft and the fifth connecting shaft are respectively and fixedly connected with the first clamping block and the second clamping block, the lower end of each group of the first clamping block is in contact with the upper end of the rust removal shell, and the bottom end of each group of the second clamping block is arranged inside the rust removal shell and in contact with the rust removal shell.

As a further optimization of the technical scheme, the inside rust removal device for the steel pipe based on the construction site is characterized in that a plurality of groups of self-locking universal wheels are arranged at the bottoms of the walking shell, the water tank and the drying shell.

As further optimization of the technical scheme, the inside rust removal device for the steel pipe based on the construction site is characterized in that the rust removal head comprises a connecting cylinder, a torsion spring, a grinding rod and a grinding ball; the two ends of the first connecting rod, the second connecting rod and the third connecting rod are respectively in degree with the connecting cylinder, the connecting cylinder is internally fixedly connected with one end of a torsional spring, the other end of the torsional spring is fixedly connected with a grinding rod, and the outer side of the grinding rod is fixedly connected with a grinding ball.

The maintenance device for cleaning ice and snow on the cable has the beneficial effects that:

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of the overall structure and the pretreatment apparatus of the present invention.

Fig. 2 is a schematic structural diagram of the spraying device of the present invention.

FIG. 3 is a schematic view of the structure of the rust removing apparatus of the present invention.

Fig. 4 is a schematic structural view of the walking device of the present invention.

Fig. 5 is a schematic structural diagram of the flushing device of the present invention.

Fig. 6 is a schematic structural diagram of the drying device of the present invention.

In the figure: 1, a pretreatment device; 2, a rust removal device; 3, a walking device; 4, flushing the device; 5, a drying device; 6, a spraying device; 1-1 rotating the disc; 1-2 rotating shafts; 1-3, a first electric telescopic rod; 1-4 sleeves; 1-5 springs; 1-6 adjusting the rod; 1-7 arc scrapers; 2-1 worm; 2-2, derusting the motor; 2-3, a second electric telescopic rod; 2-4, derusting the shell; 2-5 a first drive worm gear; 2-6 first connecting shaft; 2-7 a first bevel gear; 2-8 second bevel gears; 2-9 second connecting shafts; 2-10 first connecting rods; 2-11 derusting the head; 2-12 third bevel gear; 2-13 fourth bevel gear; 2-14 third connecting shaft; 2-15 second connecting rods; 2-16 second drive worm gears; 2-17 fourth connecting shaft; 2-18 fifth beveled gear; 2-19 sixth helical gear; 2-20 a fifth connecting shaft; 2-21 third connecting rod; 2-22 first fixture blocks; 2-23 second fixture blocks; 3-1-driving the motor; 3-2, a walking shell; 3-3 a first drive bevel gear; 3-4 second drive bevel gear; 3-5 a first drive shaft; 3-6 a third drive bevel gear; 3-7 fourth drive bevel gears; 3-8 fifth drive bevel gear; 3-9 sixth drive bevel gear; 3-10 second transmission shafts; 3-11 walking parts; 3-12 seventh drive bevel gear; 3-13 eighth drive bevel gear; 3-14 third transmission shaft; 4-1, a water tank; 4-2 water injection gates; 4-3 handles; 4-4 positioning blocks; 4-5 flushing pipes; 4-6 water outlet pipes; 4-7 branch pipelines; 4-8 of a first rotating shaft; 5-1 rotating the electric machine; 5-2, drying the shell; 5-3 a first rotating bevel gear; 5-4 a second rotating bevel gear; 5-5 a third rotating bevel gear; 5-6 second rotating shaft; 5-7 rotating the cylinder; 5-8 communicating pipes; 5-9 air distributing pipes; 5-10 air outlet pipes; 5-11 drying fans; 6-1 paint tank; 6-2, spraying the shell; 6-3 discharge pipes; 6-4 liquid separating pipes; 6-5 liquid outlet pipes; 6-6 high-pressure spray heads; 2-11-1 connecting cylinder; 2-11-2 torsion spring; 2-11-3 grinding rod; 2-11-4 grinding balls; 3-11-1 connecting disc; 3-11-2 a first link; 3-11-3 a first connection block; 3-11-4 second connecting blocks; 3-11-5 a third connecting block; 3-11-6 second connecting rod; 3-11-7 a first rotating lever; 3-11-8 second rotating rods; 3-11-9 a first travel block; 3-11-10 fourth connecting blocks; 3-11-11 sixth connecting block; 3-11-12 third connecting rod; 3-11-13 third rotating rod; 3-11-14 second walking block; a fourth rotating rod from 3 to 11 to 15; 3-11-16 eighth connecting block; 3-11-17 fifth connecting block; 3-11-18 seventh connecting block; 3-11-19 fourth link; 3-11-20 fifth rotating rods; 3-11-21 third travel block; 3-11-22 sixth rotating rod.

Detailed Description

The first embodiment is as follows:

the invention relates to the technical field of building steel maintenance, in particular to a steel pipe internal rust removal device based on a building site, which aims to solve the technical problems by combining with figures 1-6, and comprises a pretreatment device 1, a rust removal device 2, a walking device 3, a flushing device 4, a drying device 5 and a spraying device 6; the rear end of the pretreatment device 1 is fixedly connected with a rust removal device 2, the rear end of the rust removal device 2 is fixedly connected with a walking device 3, the rear end of the walking device 3 is fixedly connected with a flushing device 4, the rear end of the flushing device 4 is provided with a drying device 5, and the rear side of the drying device 5 is fixedly connected with a spraying device 6; firstly, a pretreatment device 1 and a derusting device 2 are placed in a steel pipe, a walking device 3, a decontaminating device 4 and a spraying device 6 are arranged outside the steel pipe, the purpose is to prevent the whole device from being placed inside the steel pipe, rust at the edge of the steel pipe is ignored, when the rust at the opening of the steel pipe is removed, the walking device 3, the decontaminating device 4 and the spraying device 6 are all placed in the steel pipe, the surface rust in the inner wall of the steel pipe is scraped by the pretreatment device 1, the rust in the steel pipe is removed by the work of the decontaminating device 2, the walking device 3 drives the whole device to move forward, the rust removed by the decontaminating device 2 is cleaned by the operation of the decontaminating device 4, then water stains left by the decontaminating device 4 in the steel pipe are removed by a drying device 5, meanwhile, the inner wall of the steel pipe is prevented from being corroded again by water in the steel pipe, after the inner wall of the steel pipe is dried by the drying device 5, the inner wall is sprayed with the oxide film through the spraying device 6, so that the inner wall of the steel pipe is prevented from being oxidized again to influence the strength of the steel pipe.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 6, and the embodiment further describes the first embodiment, wherein the pretreatment device 1 comprises a rotating disc 1-1, a rotating shaft 1-2, a first electric telescopic rod 1-3, a sleeve 1-4, a spring 1-5, an adjusting rod 1-6 and an arc-shaped scraper 1-7; one end of the rotating shaft 1-2 is fixedly connected with the rust removing device 2, the other end of the rotating shaft 1-2 is connected with a rotating disc 1-1 in a key mode, a plurality of groups of first electric telescopic rods 1-3 are arranged above the rotating disc 1-1, the connecting end of each group of first electric telescopic rods 1-3 is fixedly connected with a sleeve 1-4, one end of a spring 1-5 is fixedly connected in the sleeve 1-4, the other end of the spring 1-5 is fixedly connected with an adjusting rod 1-6, the adjusting rod 1-6 is further sleeved inside the sleeve 1-4, and the upper end of the adjusting rod 1-6 is fixedly connected with an arc-shaped scraper 1-7; a derusting motor 2-2 in a derusting device 2 further drives a rotating shaft 1-2 to rotate by driving a worm 2-1 to rotate, the rotating shaft 1-2 drives a rotating disc 1-1 to rotate by fixedly connecting the rotating shaft 1-2 with the rotating disc 1-1, a plurality of groups of first electric telescopic rods 1-3 are arranged on the rotating disc 1-1, further drives each group of first electric telescopic rods 1-3 to rotate, the length of a sleeve 1-4 is further driven by the extension and contraction of the first electric telescopic rods 1-3 to adapt to steel pipes with different diameters, the sleeve 1-4 and an adjusting rod 1-6 are connected by a spring 1-5, the adjusting rod 1-6 is sleeved inside the sleeve 1-4, the diameter is no longer the original diameter due to rusting in the steel pipe, when the adjusting rod moves to a position smaller than the diameter of the steel pipe, the inner wall of the steel pipe can generate pressure on the arc-shaped scrapers 1-7, the adjusting rods 1-6 are further contracted into the sleeves 1-4, the springs 1-5 are contracted at the moment, the arc-shaped scrapers 1-7 are guaranteed to be in contact with the inner wall of the steel pipe all the time, the purpose of scraping rust which can be scraped from the surface is achieved, abrasive particles of the grinding rods 2-11-3 and the grinding wheels in the rust removing device 2 are saved, and meanwhile, due to the fact that the rust on the surface is removed, the rust removing time of the rust removing device 2 can be further saved.

The third concrete implementation mode:

this embodiment will be described below with reference to fig. 1 to 6, and this embodiment will further describe embodiment two, the rust removing device 2 comprises a worm 2-1, a rust removing motor 2-2, a second electric telescopic rod 2-3, a rust removing shell 2-4, a first transmission worm wheel 2-5, a first connecting shaft 2-6, a first bevel gear 2-7, a second bevel gear 2-8, a second connecting shaft 2-9, a first connecting rod 2-10, a rust removing head 2-11, a third bevel gear 2-12, a fourth bevel gear 2-13, a third connecting shaft 2-14, a second connecting rod 2-15, a second transmission worm wheel 2-16, a fourth connecting shaft 2-17, a fifth bevel gear 2-18, a sixth bevel gear 2-19, a fifth connecting shaft 2-20 and a third connecting rod 2-21; the end face of the rotating shaft 1-2 is fixedly connected with one end of a worm 2-1, the other end of the worm 2-1 is connected with a derusting motor 2-2 through a coupler, the derusting motor 2-2 is arranged on a motor base, the motor base is fixedly connected with a motor shell, the rear end of the motor shell is fixedly connected with a telescopic end of a second electric telescopic rod 2-3, the fixed end of the second electric telescopic rod 2-3 is fixedly connected with a protective shell, the worm 2-1 is arranged in a derusting shell 2-4, first transmission worm wheels 2-5 are respectively arranged on the left side and the right side of the worm 2-1, each group of the first transmission worm wheels 2-5 is meshed with the worm 2-1, each group of the first transmission worm wheels 2-5 is connected with a first connecting shaft 2-6 in a key mode, the first connecting shaft 2-6 is also in key connection with a first helical gear 2-7, the first helical gear 2-7 is meshed with a second helical gear 2-8, the second helical gear 2-8 is in key connection with one end of a second connecting shaft 2-9, the other end of the second connecting shaft 2-9 is fixedly connected with a group of first connecting rods 2-10, two ends of each first connecting rod 2-10 are respectively and fixedly connected with a derusting head 2-11, the lower end of the first connecting shaft 2-6 is also in key connection with a third helical gear 2-12, the third helical gear 2-12 is meshed with a fourth helical gear 2-13, the fourth helical gear 2-13 is in key connection with a third connecting shaft 2-14, and the third connecting shaft 2-14 is fixedly connected with a group of second connecting rods 2-15, the angle between the first connecting rod 2-10 and the second connecting rod 2-15 is 90 degrees, and two ends of the second connecting rod 2-15 are respectively fixedly connected with the derusting heads 2-11; the upper side and the lower side of the worm 2-1 are respectively provided with a second transmission worm wheel 2-16, each group of the second transmission worm wheels 2-16 is meshed with the worm 2-1, the second transmission worm wheels 2-16 are in key connection with a fourth connecting shaft 2-17, the fourth connecting shaft 2-17 is in key connection with a fifth bevel gear 2-18, the fifth bevel gear 2-18 is meshed with a sixth bevel gear 2-19, the sixth bevel gear 2-19 is in key connection with a fifth connecting shaft 2-20, the fifth connecting shaft 2-20 is fixedly connected with a group of third connecting rods 2-21, and two groups of end faces of the third connecting rods 2-21 are fixedly connected with a derusting head 2-11; a driving motor 3-1 in a walking device is a motor which works intermittently on the market, when the driving motor 3-1 stops rotating between two works, a second electric telescopic rod 2-3 drives a derusting shell 2-4 to move back and forth, so that a grinding rod 2-11-3 and a grinding ball 2-11-4 in the derusting shell 2-4 are contacted with the inner wall of a steel pipe at the same position for multiple times, complete derusting is ensured, the derusting motor 2-2 starts to operate, a main shaft of the derusting motor 2-2 is connected with a worm 2-1 through a coupler to drive the worm 2-1 to rotate, the worm 2-1 can drive first transmission worm wheels 2-5 at the left side and the right side and second worm wheels at the upper end and the lower end to rotate, the rotation of the two groups of first transmission worm wheels 2-5 further drives a first connecting shaft 2-6 to rotate, the first connecting shaft 2-6 is connected with the first helical gear 2-7 in a key way to drive the first helical gear 2-7 to rotate, the first helical gear 2-7 is meshed with the second helical gear 2-8 to drive the second helical gear 2-8 to rotate, the second helical gear 2-8 is connected with the second connecting shaft 2-9 in a key way to drive the second connecting shaft 2-9 to rotate, the second connecting shaft 2-9 is also fixedly connected with the first connecting rod 2-10 to drive the first connecting rod 2-10 to rotate and further drive the derusting head 2-11 to rotate, meanwhile, the lower end of the first connecting shaft 2-6 is also connected with the third helical gear 2-12 in a key way to further drive the third helical gear 2-12 to rotate, and the third helical gear 2-12 is meshed with the fourth helical gear 2-13 to drive the fourth helical gear 2-13 to rotate, the fourth bevel gears 2-13 are in key connection with a third connecting shaft 2-14 to drive the third connecting shaft 2-14 to rotate, the third connecting shaft 2-14 is fixedly connected with a second connecting rod 2-15 to drive a second connecting rod 2-15 and a derusting head 2-11 fixedly connected with the second connecting rod 2-15 to rotate, the first connecting rod 2-10 and the second connecting rod 2-15 form an angle of 90 degrees to prevent the first connecting rod 2-10 and the second connecting rod 2-15 from colliding with the ground when forming an angle of 90 degrees simultaneously, so that the service life of the device is influenced, meanwhile, the rotation of the two groups of second worm gears drives the rotation of the fourth connecting shaft 2-17, the key connection of the fourth connecting shaft 2-17 and the fifth connecting shaft 2-18 further drives the rotation of the fifth bevel gears 2-18, and the meshing of the fifth bevel gears 2-18 and the sixth bevel gears 2-19 further drive the sixth bevel gears 2-14 to rotate The rotation of the shaft-19, the key connection of the sixth bevel gear 2-19 and the fifth connecting shaft 2-20 can drive the rotation of the fifth connecting shaft 2-20, the fifth connecting shaft 2-20 is also fixedly connected with the third connecting rod 2-21 to further drive the rotation of the third connecting rod 2-21, the third connecting rod 2-21 is fixedly connected with the derusting head 2-11, so that the derusting head 2-11 can remove the upper and lower rust, and when each group of the first connecting rods 2-10 and the second connecting rods 2-15 are in a vertical state and each group of the third connecting rods 2-21 are in a horizontal state, the length of each group of the first connecting rods 2-10, the second connecting rods 2-15 and the third connecting rods 2-21 is constrained to be quadrilateral, so that the rust removal in the steel pipe is ensured without dead angles, and the aim of removing the rust at each angle is fulfilled.

The fourth concrete implementation mode:

the following describes the present embodiment with reference to fig. 1 to 6, and the present embodiment further describes the first embodiment, where the traveling device 3 includes a driving motor 3-1, a traveling housing 3-2, a first driving bevel gear 3-3, a second driving bevel gear 3-4, a first transmission shaft 3-5, a third driving bevel gear 3-6, a fourth driving bevel gear 3-7, a fifth driving bevel gear 3-8, a sixth driving bevel gear 3-9, a second transmission shaft 3-10, a traveling part 3-11, a seventh driving bevel gear 3-12, an eighth driving bevel gear 3-13, and a third transmission shaft 3-14; the driving motor 3-1 is arranged in the base, the base is fixedly connected with the traveling shell 3-2, the shaft of the driving motor 3-1 is connected with a first driving bevel gear 3-3 key, the first driving bevel gear 3-3 is meshed with a second driving bevel gear 3-4, the second driving bevel gear 3-4 is connected with a first transmission shaft 3-5, the first transmission shaft 3-5 penetrates through the traveling shell 3-2 to be fixedly connected with a group of positioning blocks, the first transmission shaft 3-5 is connected with a third driving bevel gear 3-6 key, the third driving bevel gear 3-6 is meshed with one end of a fourth driving bevel gear 3-7, the other end of the fourth driving bevel gear 3-7 is meshed with a fifth driving bevel gear 3-8, the side surface of the fourth driving bevel gear 3-7 is meshed with a sixth driving bevel gear 3-9, the sixth driving bevel gear 3-9 is in key connection with a second transmission shaft 3-10, two ends of the second transmission shaft 3-10 penetrate through a traveling shell 3-2 to be fixedly connected with a traveling part 3-11, the fifth driving bevel gear 3-8 is meshed with a seventh driving bevel gear 3-12, the side surface of the seventh driving bevel gear 3-12 is meshed with an eighth driving bevel gear 3-13, the eighth driving bevel gear 3-13 is in key connection with a third transmission shaft 3-14, and two ends of the third transmission shaft 3-14 penetrate through the traveling shell 3-2 to be fixedly connected with the traveling part 3-11; the main shaft of the driving motor 3-1 rotates to drive the first driving bevel gear 3-3 to rotate, the first driving bevel gear 3-3 is meshed with the second driving bevel gear 3-4 to drive the second driving bevel gear 3-4 to rotate, the second driving bevel gear 3-4 is meshed with the first driving shaft 3-5, a clamping block on the first driving shaft 3-5 can ensure the relative position of the first driving shaft 3-5 and the walking shell 3-2 to prevent the first driving shaft 3-5 from falling, the rotation of the first driving shaft 3-5 drives the third driving bevel gear 3-6 to rotate, the third driving bevel gear 3-6 is meshed with the fourth driving bevel gear 3-7 to further drive the fourth driving bevel gear 3-7 to rotate, and the fourth driving bevel gear 3-7 is also meshed with the fifth driving bevel gear 3-8, further drives the fifth driving bevel gear 3-8 to rotate, the side surface of the fourth driving bevel gear 3-7 is meshed with the sixth driving bevel gear 3-9 to drive the sixth driving bevel gear 3-9 to rotate, the sixth driving bevel gear 3-9 is connected with the second transmission shaft 3-10 key, the second transmission shaft 3-10 can rotate along with the rotation of the sixth driving bevel gear 3-9, the sixth driving bevel gear 3-9 is connected with the second transmission shaft 3-10 key to drive the second transmission shaft 3-10 to rotate, two ends of the second transmission shaft 3-10 are respectively fixedly connected with the walking part 3-11 to drive the walking part 3-11 to move, and simultaneously, the fifth driving bevel gear 3-8 is meshed with the seventh driving bevel gear 3-12 to drive the seventh driving bevel gear 3-12 to rotate, the side surface of the seventh bevel gear is meshed with the eighth driving bevel gear 3-13 to drive the eighth driving bevel gear 3-13 to rotate so as to further drive the third transmission shaft 3-14 connected with the eighth bevel gear to rotate, so that the other group of walking parts 3-11 is driven by the third transmission shaft 3-14 to move, and the two groups of walking parts 3-11 complete the walking function in the steel pipe under the drive of the second transmission shaft 3-10 and the third transmission shaft 3-14, thereby ensuring that the whole device completes the processes of rust removal, cleaning, drying and coating an oxide film in the steel pipe;

the walking part 3-11 comprises a connecting disc 3-11-1, a first connecting rod 3-11-2, a first connecting block 3-11-3, a second connecting block 3-11-4, a third connecting block 3-11-5, a second connecting rod 3-11-6, a first rotating rod 3-11-7, a second rotating rod 3-11-8, a first walking block 3-11-9, a fourth connecting block 3-11-10, a sixth connecting block 3-11-11, a third connecting rod 3-11-12, a third rotating rod 3-11-13, a second walking block 3-11-14, a fourth rotating rod 3-11-15, an eighth connecting block 3-11-16, a fifth connecting block 3-11-17, a first connecting block 3-11-3, a second connecting block 3-11-9, a third connecting block 3-11-13, a fourth connecting block 3-11-15, an eighth connecting block 3-11-16, a fifth connecting block 3-11-17, A seventh connecting block 3-11-18, a fourth connecting rod 3-11-19, a fifth rotating rod 3-11-20, a third traveling block 3-11-21 and a sixth rotating rod 3-11-22; the connecting disc 3-11-1 is provided with five groups, which are respectively as follows: the connecting device comprises a first connecting disc, a second connecting disc, a third connecting disc, a fourth connecting disc and a fifth connecting disc, wherein five groups of adjacent connecting discs 3-11-1 are fixedly connected through a first connecting rod 3-11-2, two ends of a second transmission shaft 3-10 penetrate through the second connecting disc and are respectively fixedly connected with a first connecting block 3-11-3, two ends of a third transmission shaft 3-14 penetrate through the fourth connecting disc and are respectively fixedly connected with a group of second connecting blocks 3-11-4, the third connecting disc and a third connecting block 3-11-5 are fixedly connected through a second connecting rod 3-11-6, the lower end of the third connecting block 3-11-5 is hinged with one end of two groups of first rotating rods 3-11-7, the other end of each group of the first rotating rods 3-11-7 is hinged with the side face of a second rotating rod 3-11-8, one end of each group of the second rotating rods 3-11-8 is hinged to the first walking block 3-11-9, the other end of each group of the second rotating rods 3-11-8 is hinged to the fourth connecting block 3-11-10, the end face of each fourth connecting block 3-11-10 is fixedly connected with the sixth connecting block 3-11-11, the side face of each sixth connecting block 3-11-11 is fixedly connected with the first connecting block 3-11-3 through a third connecting rod 3-11-12, the lower end of each fourth connecting block 3-11-10 is further hinged to one end of each third rotating rod 3-11-13, the other end of each third rotating rod 3-11-13 is fixedly connected with the second walking block 3-11-14, and each third rotating rod 3-11-13 is further hinged to the fourth rotating rod 3-11-15 The fourth rotating rods 3-11-15 are fixedly connected with eighth connecting blocks 3-11-16, the inner sides of the eighth connecting blocks 3-11-16 are sleeved with one ends of fourth connecting rods 3-11-19, the other ends of the fourth connecting rods 3-11-19 are sleeved with a first connecting disc, the other ends of the second rotating rods 3-11-8 are hinged with fifth connecting blocks 3-11-17, the fifth connecting blocks 3-11-17 are fixedly connected with seventh connecting blocks 3-11-18, the seventh connecting blocks 3-11-18 are fixedly connected with the second connecting blocks 3-11-4 through the fifth connecting rods, the bottom ends of the fifth connecting blocks 3-11-17 are also hinged with one ends of the fifth rotating rods 3-11-20, the other end of the fifth rotating rod 3-11-20 is fixedly connected with a third walking block 3-11-21, a sixth rotating rod 3-11-22 is hinged to the fifth rotating rod 3-11-20, and the movable end of the sixth rotating rod 3-11-22 is fixedly connected with a ninth connecting block 3-11-23; the second transmission shaft drives the two groups of first connecting blocks 3-11-3 to rotate, the third transmission shaft drives the second connecting blocks 3-11-4 to rotate, the first connecting blocks 3-11-3 and the sixth connecting blocks 3-11-11 are fixedly connected through third connecting rods 3-11-12 to drive the sixth connecting blocks 3-11 to rotate, the sixth connecting blocks 3-11-11 and the fourth connecting blocks 3-11-10 are fixedly connected to drive the fourth connecting blocks 3-11-10 to rotate, the fourth connecting blocks 3-11-10 and the second rotating rods 3-11-8 and the third rotating rods 3-11-13 are hinged to drive the second rotating rods 3-11-8 and the third rotating rods 3-11-13 to rotate, the third rotating rod 3-11-13 is hinged with the fourth rotating rod 3-11-15 to drive the fourth rotating rod 3-11-15 to rotate, the fourth rotating rod 3-11-15 is fixedly connected with the eighth connecting block 3-11-16 to ensure the stable operation of the third rotating rod 3-11-13, meanwhile, the third transmission shaft drives the second connecting block 3-11-4 to rotate, the second connecting block 3-11-4 is fixedly connected with the seventh connecting block 3-11-18 through a fifth connecting rod, so that the second connecting block 3-11-4 drives the seventh connecting block 3-11-18 to rotate, and the seventh connecting block 3-11-18 is fixedly connected with the fifth connecting block 3-11-17 to drive the fifth connecting block 3-11-17 to rotate, the hinging of the fifth connecting block 3-11-17 and the other group of the second rotating rods 3-11-8 and the fifth rotating rods 3-11-20 drives the second rotating rods 3-11-8 and the fifth rotating rods 3-11-20 to rotate, one end of the two groups of the second rotating rods 3-11-8 is hinged with the first rotating rod to drive the first rotating rod to rotate, the first rotating rod is hinged with the third connecting block 3-11-5 to fix the position of the first rotating rod, and simultaneously the stability of the two groups of the second rotating rods 3-11-8 is ensured, the connecting disc 3-11-1 plays a role in fixing the first connecting block 3-11-3, the second connecting block 3-11-4, the third connecting block 3-11-5, the eighth connecting block and the ninth connecting block 3-11-23, in an initial state, the fourth connecting block 3-11-10 on one side is positioned at the bottom end of the first connecting block 3-11-3, the fifth connecting block 3-11-17 is positioned at the upper end of the second connecting block 3-11-4, so that the first walking block 3-11-9 completes circular motion under the restriction of the two groups of second rotating rods 3-11-8, the fourth connecting block 3-11-10 on the other side is positioned at the upper end of the first connecting block 3-11-3, the fifth connecting block 3-11-17 is positioned at the lower end of the second connecting block 3-11-4, when the fourth connecting block 3-11-10 in one group of walking parts moves to the rear side of the first connecting block 3-11-3, the fifth connecting block 3-11-17 moves to the front end of the second connecting block 3-11-4, the included angle between the two groups of first rotating rods is minimum, at the moment, the first walking blocks 3-11-9 are contacted with the inner wall of the steel pipe, the third rotating rods 3-11-13 and the sixth rotating rods 3-11-22 respectively drive the second walking blocks 3-11-14 and the third walking blocks 3-11-21 to rotate, at the moment, the second walking blocks 3-11-14 and the third walking blocks 3-11-21 are not contacted with the inner wall of the steel pipe, the third rotating rods 3-11-13 and the fifth rotating rods 3-11-20 are respectively hinged with the sixth rotating rods 3-11-22 through the fourth rotating rods 3-11-15 to ensure the stability, the fourth rotating rod 3-11-15 and the sixth rotating rod 3-11-22 can also respectively ensure the rotation of the third rotating rod 3-11-13 and the fifth rotating rod 3-11-20 through hinging; meanwhile, a fourth connecting block 3-11-10 in the other group of walking parts opposite to the group of walking parts moves to the front side of the first connecting block 3-11-3, a fifth connecting block 3-11-17 moves to the rear side of the second connecting block 3-11-4, the included angle between the two groups of first rotating rods is the largest, and at the moment, the second walking block 3-11-14 and the third walking block 3-11-21 are both in contact with the inner wall of the steel pipe; along with the rotation of the second transmission shaft and the third transmission shaft, the fourth connecting block 3-11-10 at the side with the smallest included angle between the two groups of first rotating rods gradually moves downwards in an arc relative to the first connecting block 3-11-3, the fifth connecting block 3-11-17 gradually moves upwards in an arc relative to the second connecting block 3-11-4, and at the moment, the two groups of second rotating rods 3-11-8 drive the first walking blocks 3-11-9 to apply backward force to the inner wall of the steel pipe, so that the whole device walks forwards and gradually moves to the condition that the included angle between the two groups of first rotating rods is the largest; meanwhile, the second transmission shaft in the other group of traveling parts drives the first connecting block 3-11-3 to move upwards, the first connecting block 3-11-3 and the sixth connecting block 3-11-11 are fixedly connected through the third connecting rod 3-11-12 to drive the sixth connecting block 3-11-11 to move upwards and further drive the fourth connecting block 3-11-10 to move upwards, so that the first traveling block 3-11-9 moves upwards, the third transmission shaft in the other group of traveling parts drives the second connecting block 3-11-4 to move downwards, the second connecting block 3-11-4 and the seventh connecting block 3-11-18 are fixedly connected through the fifth connecting rod to drive the seventh connecting block 3-11-18 to rotate downwards, and the seventh connecting block 3-11-18 drives the fifth connecting block 3-11-17 to fixedly connect with the fifth connecting block 3-11-17 11-17, the fifth connecting block 3-11-17 and the third walking block 3-11-21 are fixedly connected with the fifth rotating rod 3-11-20 to apply backward force to the inner wall of the steel pipe, and the backward force and the first walking block 3-11-9 in the group of walking parts act together to enable the device to walk forwards; one group of walking parts gradually move until the included angle between the two groups of first rotating rods is the largest, the second walking blocks 3-11-14 and the third walking blocks 3-11-21 are in contact with the interior of the steel pipe, at the moment, the other group of walking parts move until the included angle between the two groups of first rotating rods is the smallest, and one group of first walking blocks 3-11-9 are in contact with the interior of the steel pipe, and the walking is repeated and circulated to achieve the effect of walking forwards.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 6, and the embodiment further describes the first embodiment, wherein the flushing device 4 comprises a water tank 4-1, a water filling door 4-2, a handle 4-3, a positioning block 4-4, a flushing pipe 4-5, a water outlet pipe 4-6, a branch pipeline 4-7 and a first rotating shaft 4-8; the upper end of the water tank 4-1 is hinged with a water injection door 4-2, a handle 4-3 is arranged on the outer side of the water injection door 4-2, one end of the water outlet pipe 4-6 is communicated with the water tank 4-1 and is clamped through a positioning block 4-4 and sealed through a sealing ring, a switch valve is arranged on the water outlet pipe 4-6, the other end of the water outlet pipe 4-6 is communicated with a branch pipeline 4-7, a pressure valve is arranged on each branch pipeline of the branch pipeline 4-7, a plurality of groups of flushing pipes 4-5 are connected with the branch pipeline 4-7 through threads, and the end face of the branch pipeline 4-7 is fixedly connected with a first rotating shaft 4-8; the length of a water outlet pipe 4-6 is selected according to the diameter of a steel pipe, the water outlet pipe 4-6 is fixed through the threaded connection of the water outlet pipe 4-6 and a branch pipeline 4-7, a handle 4-3 is pulled to open a water injection door 4-2 to fill water in a water tank 4-1, a switch valve is arranged on the water outlet pipe 4-6 and is opened, the water in the water tank 4-1 enters the branch pipeline 4-7 through the water outlet pipe 4-6 under the drive of a pressure valve and is sprayed onto the inner wall of the steel pipe after rust cleaning through the branch pipeline 4-7 to clean the inner wall of the steel pipe, meanwhile, a main shaft of a rotating motor 5-1 is connected with a first driving bevel gear 3-3 key to drive the rotation of the first driving bevel gear 3-3, the meshing of the first driving bevel gear 3-3 and a second driving bevel gear 3-4 drives the rotation of the second driving bevel gear 3-4, the second driving bevel gear 3-4 drives the first rotating shaft 4-8 to rotate through being connected with the first rotating shaft 4-8 in a key way, the first rotating shaft 4-8 is fixedly connected with the branch pipeline 4-7 to further drive the branch pipeline 4-7 to rotate, a one-way valve is arranged on the water outlet pipe 4-6 to prevent the backflow of water from influencing the operation of the flushing device 4, the fixed connection of the branch pipeline 4-7 and the water outlet pipe 4-6 drives the water outlet pipe 4-6 to rotate, the water outlet pipe 4-6 is clamped with the water tank 4-1, so that the rotation of the water outlet pipe 4-6 is not influenced, meanwhile, the rotation of the water tank 4-1 is not driven, the water outlet pipe 4-6 and the water tank 4-1 seal a gap between the water outlet pipe 4-6 and the water tank 4-1 through a sealing ring, preventing water leakage.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 6, and the fifth embodiment is further described in the present embodiment, where the drying device 5 includes a rotary motor 5-1, a drying casing 5-2, a first rotary helical gear 5-3, a second rotary helical gear 5-4, a third rotary helical gear 5-5, a second rotary shaft 5-6, a rotary cylinder 5-7, a communicating pipe 5-8, an air dividing pipe 5-9, an air outlet pipe 5-10, and a drying fan 5-11; the bottom end of the rotating motor 5-1 is arranged in the motor base, the bottom end of the motor base is fixedly connected with the drying shell 5-2, the main shaft of the rotating motor 5-1 is connected with a first rotating bevel gear 5-3 in a key mode, two sides of the first rotating bevel gear 5-3 are respectively meshed with a second rotating bevel gear 5-4 and a third rotating bevel gear 5-5, the second rotating bevel gear 5-4 is connected with a first rotating shaft 4-8 in a key mode, the third rotating bevel gear 5-5 is connected with one end of a second rotating shaft 5-6 in a key mode, the other end of the second rotating shaft 5-6 is fixedly connected with a rotating cylinder 5-7, a communicating pipe 5-8 is arranged in the rotating cylinder 5-7, one end of the communicating pipe 5-8 is communicated with a sub-9 air pipe, the air outlet ends of the air distribution pipes 5-9 are respectively connected with the air outlet pipes 5-10 through threads, the other ends of the communicating pipes 5-8 are communicated with the air outlet ends of the drying fans 5-11, and the other ends of the drying fans 5-11 are fixedly connected with the spraying device 6; the rotary motor 5-1 is driven, the spindle of the rotary motor 5-1 drives the first rotary bevel gear 5-3 to rotate, further drives the second rotary bevel gear 5-4 and the third rotary bevel gear 5-5 to rotate, the second rotary bevel gear 5-4 drives the first rotary shaft 4-8 in the flushing device to rotate, further drives the flushing device 4 to operate, the third rotary bevel gear 5-5 drives the second rotary shaft 5-6 to rotate, the second rotary shaft 5-6 drives the rotary cylinder 5-7 to rotate, a communicating pipe 5-8 is arranged in the rotary cylinder 5-7, the communicating pipe 5-8 is a universal joint, the prior art ensures the rotation of the rotary cylinder 5-7, simultaneously ensures that the drying fan 5-11 cannot rotate along with the rotary cylinder, and ensures the normal operation of the device, after the drying fan 5-11 is started, wind in the drying fan 5-11 enters the communicating pipe 5-8 through the wind outlet end in the drying fan 5-11, wind in the wind outlet pipe 5-10 enters each group of wind outlet ends in the wind distribution pipes 5-9 through the communicating pipe 5-8, residual water in the steel pipe is dried, the diameters of the wind outlet pipes 5-10 are sequentially increased from front to back, the purpose that wind passes through the wind outlet pipe 5-10 with the smaller diameter in the front to blow away larger water drops in the inner wall of the steel pipe, then the wind outlet pipe 5-10 with the larger diameter in the back gradually dries thin water drops on the inner wall of the steel pipe, the water drops are dried in a targeted manner, and if the wind outlet pipes with the same thickness are used, the effect can not be realized, and the drying time can be prolonged due to the thick water drops.

The seventh embodiment:

the present embodiment is described below with reference to fig. 1 to 6, and the present embodiment further describes the first embodiment, wherein the spraying device 6 includes a paint tank 6-1, a spraying housing 6-2, a discharging pipe 6-3, a liquid distributing pipe 6-4, a liquid outlet pipe 6-5, and a high pressure nozzle 6-6; the coating box 6-1 is arranged in the spraying shell 6-2, the coating box 6-1 is communicated with one end of a discharge pipe 6-3, a switch valve is arranged on the discharge pipe 6-3, the other end of the discharge pipe 6-3 is communicated with a liquid inlet end of a liquid distribution pipe 6-4, each group of connecting ends of the liquid distribution pipe 6-4 is communicated with one end of a liquid outlet pipe 6-5, a pressure increasing valve is arranged on each group of liquid outlet pipes 6-5, and the other end of each group of liquid outlet pipes 6-5 is communicated with a high-pressure spray head 6-6; opening a switch valve on the discharge pipe 6-3, enabling the liquid antirust wax to enter a liquid distribution pipe 6-4 through a coating box 6-1, enabling the liquid antirust wax to enter the discharge pipes 6-3 of each group through the liquid distribution pipes 6-4 through a pressure increasing valve arranged on the discharge pipe 6-3, and spraying the liquid antirust wax onto the inner wall of the steel pipe through a high-pressure spray head 6-6, so that the inner wall of the steel pipe is filled with the liquid antirust wax, and meanwhile, the liquid antirust wax can form a film rapidly through the residual temperature of a drying device to form a protective layer.

The specific implementation mode is eight:

the third embodiment is further described with reference to fig. 1 to 6, wherein two ends of each group of the first connecting shaft 2 to 6 and the fifth connecting shaft 2 to 20 are respectively and fixedly connected with a first fixture block 2 to 22 and a second fixture block 2 to 23, the lower end of each group of the first fixture blocks 2 to 22 is in contact with the upper end of the derusting shell 2 to 4, and the bottom end of each group of the second fixture blocks 2 to 23 is arranged inside the derusting shell 2 to 4 and is in contact with the derusting shell 2 to 4; through the arrangement of the first clamping blocks 2-22 and the second clamping blocks 2-23, the first connecting shaft 2-6 and the fifth connecting shaft 2-20 can be fixed in the shell, the first connecting shaft 2-6 and the fifth connecting shaft 2-20 are prevented from falling off, and the stable operation of the device is ensured.

The specific implementation method nine:

the embodiment is described below with reference to fig. 1 to 6, and the embodiment further describes a third embodiment, a fourth embodiment, a fifth embodiment, or a sixth embodiment, where the bottoms of the walking housing 3-2, the water tank 4-1, and the drying housing 5-2 are all provided with a plurality of sets of self-locking universal wheels; the device stably operates through the self-locking universal wheel, and when the device stops operating, the self-locking universal wheel completes the self-locking function, so that the device is prevented from moving, and the device is fixed.

The detailed implementation mode is ten:

the third embodiment is further described by the third embodiment by combining the description of figures 1-6, wherein the derusting head 2-11 comprises a connecting cylinder 2-11-1, a torsion spring 2-11-2, a grinding rod 2-11-3 and a grinding ball 2-11-4; the two ends of the first connecting rod 2-10, the second connecting rod 2-15 and the third connecting rod 2-21 are respectively 135 degrees away from the connecting cylinder 2-11-1, the inside of the connecting cylinder 2-11-1 is fixedly connected with one end of the torsion spring 2-11-2, the other end of the torsion spring 2-11-2 is fixedly connected with the grinding rod 2-11-3, and the outer side of the grinding rod 2-11-3 is fixedly connected with the grinding ball 2-11-4; the first connecting rod 2-10, the second connecting rod 2-15 and the third connecting rod 2-21 drive the connecting cylinder 2-11-1 to rotate, the connecting cylinder 2-11-1 and the grinding rod 2-11-3 are connected through the torsion spring 2-11-2, and the grinding rod 2-11-3 is sleeved inside the connecting cylinder 2-11-1, so that the connecting cylinder 2-11-1 can further drive the grinding rod 2-11-3 and the grinding ball 2-11-4 to rotate, each part of the steel pipe can be ensured to carry out rust removal and cleaning through the grinding rod 2-11-3 and the grinding ball 2-11-4, when the rust removal head 2-11 is extruded by the inner wall of the steel pipe, the grinding ball 2-11-4 generates pressure on the grinding rod 2-11-3, the torsion spring 2-11-2 is compressed, the grinding rod 2-11-3 is pressed into the connecting cylinder 2-11-1, the grinding balls 2-11-4 are guaranteed to be in contact with the inner wall of the steel pipe all the time, the inner wall of the steel pipe is derusted, meanwhile, the grinding rod 2-11-3 can also derustate the contacted steel pipe in the moving process, the complete derusting in the steel pipe is guaranteed, the first connecting rod, the second connecting rod and the third connecting rod are respectively 135 degrees with the connecting cylinder, the processing degree can be reduced, it can also be guaranteed that when each group of first connecting rods 2-10 and second connecting rods 2-15 are in a vertical state, each group of third connecting rods 2-21 are in a horizontal state, the connecting rods are quadrilateral, and the derusting device can be guaranteed to be in contact with the inner wall of the steel pipe without dead angles.

The working principle is as follows:

placing the steel pipe at an angle of 0-5 degrees with the ground, selecting the length of the water outlet pipe 4-6 according to the diameter of the steel pipe, and adjusting the first electric telescopic rod 1-3 to enable the pretreatment device to be matched with the inner diameter of the steel pipe; placing the pretreatment device 1 in a steel pipe, and enabling the walking device 3, the decontamination device 4 and the spraying device 6 to be arranged outside the steel pipe; the rust removing motor 2-2 starts to rotate, a main shaft of the rust removing motor 2-2 drives the rotating shaft 1-2 to rotate, a plurality of groups of first electric telescopic rods 1-3 on the rotating disc 1-1 are further driven to rotate, the telescopic end of each group of first electric telescopic rods 1-3 drives the sleeve 1-4 to rotate, the sleeve 1-4 drives the adjusting rod 1-6 sleeved inside the sleeve to rotate, the adjusting rod 1-6 drives the arc-shaped scraper 1-7 to scrape rust on the inner wall of a steel pipe opening, when the rust moves to a rust position, the rust generates pressure on the arc-shaped scraper 1-7, the adjusting rod 1-6 is connected with the sleeve 1-4 through the spring 1-5, the spring 1-5 contracts, the adjusting rod 1-6 contracts into the sleeve 1-4, and the arc-shaped scraper 1-7 is ensured to be always contacted with the rust, scraping rust stains on the surface, pretreating the steel pipe opening by a pretreatment device 1, and placing a rust removal device 2 in the steel pipe; the derusting motor 2-2 drives the worm 2-1 to rotate, the rotation of the worm 2-1 drives the first transmission worm wheel 2-5 and the second worm wheel to rotate, the rotation of the two groups of first transmission worm wheels 2-5 drives the first connecting shaft 2-6 to rotate, the first connecting shaft 2-6 drives the first bevel gear 2-7 to rotate, the first bevel gear 2-7 drives the second bevel gear 2-8 to rotate, the second bevel gear 2-8 drives the second connecting shaft 2-9 to rotate, the second connecting shaft 2-9 drives the first connecting rod 2-10 to rotate, and drives the connecting cylinder 2-11-1 to rotate, because the connecting cylinder 2-11-1 and the grinding rod 2-11-3 are connected through the torsion spring 2-11-2, and the grinding rod 2-11-3 is sleeved inside the connecting cylinder 2-11-1, therefore, the connecting cylinder 2-11-1 can further drive the grinding rod 2-11-3 and the grinding ball 2-11-4 to rotate, each position of the steel pipe can be ensured to be derusted and cleaned through the grinding rod 2-11-3 and the grinding ball 2-11-4, when the derusting head 2-11 is extruded by the inner wall of the steel pipe, the grinding ball 2-11-4 generates pressure on the grinding rod 2-11-3, the torsion spring 2-11-2 is compressed, the grinding rod 2-11-3 is pressed into the connecting cylinder 2-11-1, the grinding ball 2-11-4 is ensured to be always contacted with the inner wall of the steel pipe, the inner wall of the steel pipe is derusted, meanwhile, the grinding rod 2-11-3 can also derust the contacted steel pipe in the moving process, and the derusting inside of the steel pipe is ensured to be thorough, meanwhile, the first connecting shaft 2-6 drives the third bevel gear 2-12 to rotate, the third bevel gear 2-12 drives the fourth bevel gear 2-13 to rotate, the fourth bevel gear 2-13 drives the third connecting shaft 2-14 to rotate, the third connecting shaft 2-14 drives the second connecting rod 2-15 and the derusting head 2-11 fixedly connected with the second connecting rod 2-15 to rotate, the first connecting rod 2-10 and the second connecting rod 2-15 are 90 degrees to prevent the first connecting rod 2-10 and the second connecting rod 2-15 from colliding with the ground when simultaneously 90 degrees are formed, the service life of the device is influenced, meanwhile, the rotation of the two groups of second worm gears drives the fourth connecting shaft 2-17 to rotate, and the fourth connecting shaft 2-17 drives the fifth bevel gear 2-18 to rotate, the fifth bevel gear 2-18 further drives the sixth bevel gear 2-19 to rotate, the sixth bevel gear 2-19 drives the fifth connecting shaft 2-20 to rotate, the fifth connecting shaft 2-20 also drives the third connecting rod 2-21 to rotate, and the third connecting rod 2-21 is fixedly connected with the derusting head 2-11, so that the derusting head 2-11 removes upper and lower rust; after rust at the opening of the steel pipe is removed, the walking device 3, the decontamination device 4 and the spraying device 6 are all placed in the steel pipe; the switching valve on the discharging pipe 6-3, the switching valve, the pressurizing valve and the pressurizing valve of the water tank 4-1 are opened, the drying fan 5-11 is opened, the rotating motor 5-1 and the driving motor 3-1 start to work, and when the driving motor 3-1 stops rotating between two works, the second electric telescopic rod 2-3 drives the derusting shell 2-4 to move back and forth, so that the grinding rod 2-11-3 and the grinding ball 2-11-4 in the derusting shell 2-4 are contacted with the inner wall of the steel pipe at the same position for multiple times to completely remove rust; in the initial state, the fourth connecting block 3-11-10 at one side is positioned at the bottom end of the first connecting block 3-11-3, the fifth connecting block 3-11-17 is positioned at the upper end of the second connecting block 3-11-4, so that the first walking block 3-11-9 completes circular motion under the restriction of two groups of second rotating rods 3-11-8, at the moment, the fourth connecting block 3-11-10 at the other side is positioned at the upper end of the first connecting block 3-11-3, the fifth connecting block 3-11-17 is positioned at the lower end of the second connecting block 3-11-4, a main shaft of the driving motor 3-1 drives the first driving bevel gear 3-3 to rotate so as to further drive the second driving bevel gear 3-4 to rotate, and the second driving bevel gear 3-4 drives the first driving shaft 3-5 to rotate, further driving a third driving bevel gear 3-6, a fourth driving bevel gear 3-7, a fifth driving bevel gear 3-8 and a sixth driving bevel gear 3-9 to rotate, the sixth driving bevel gear 3-9 driving a second transmission shaft 3-10 to rotate, the second transmission shaft 3-10 driving a first connecting block 3-11-3 to rotate, the first connecting block 3-11-3 driving a sixth connecting block 3-11-11 to rotate, the sixth connecting block 3-11-11 driving a fourth connecting block 3-11-10 to rotate, at the same time, the fifth driving bevel gear 3-8 driving a seventh driving bevel gear 3-12 to rotate, the seventh bevel gear driving an eighth driving bevel gear 3-13 to rotate further driving a third transmission shaft 3-14 to rotate in the same direction with the first transmission shaft 3-5, the third transmission shaft drives the second connecting block 3-11-4 to rotate, the second connecting block 3-11-4 and the seventh connecting block 3-11-18 are fixedly connected through the fourth connecting rod 3-11-19, so that the second connecting block 3-11-4 drives the seventh connecting block 3-11-18 to rotate, meanwhile, the seventh connecting block 3-11-18 can drive the fifth connecting block 3-11-17 to rotate, when the fourth connecting block 3-11-10 moves to the rear side of the first connecting block 3-11-3, the fifth connecting block 3-11-17 moves to the front end of the second connecting block 3-11-4, the included angle between the two groups of first rotating rods is the minimum, and the first walking block 3-11-9 is in contact with the inner wall of the steel pipe, the third rotating rod 3-11-13 and the sixth rotating rod 3-11-22 respectively drive the second walking block 3-11-14 and the third walking block 3-11-21 to rotate, at the moment, the second walking block 3-11-14 and the third walking block 3-11-21 are not in contact with the inner wall of the steel pipe, meanwhile, the fourth connecting block 3-11-10 in the other group of walking parts opposite to the group of walking parts moves to the front side of the first connecting block 3-11-3, the fifth connecting block 3-11-17 moves to the rear side of the second connecting block 3-11-4, the included angle between the two groups of first rotating rods is the largest, and at the moment, the second walking block 3-11-14 and the third walking block 3-11-21 are in contact with the inner wall of the steel pipe; along with the rotation of the second transmission shaft and the third transmission shaft, the fourth connecting block 3-11-10 at the side with the smallest included angle between the two groups of first rotating rods gradually moves downwards in an arc relative to the first connecting block 3-11-3, the fifth connecting block 3-11-17 gradually moves upwards in an arc relative to the second connecting block 3-11-4, and at the moment, the two groups of second rotating rods 3-11-8 drive the first walking blocks 3-11-9 to apply backward force to the inner wall of the steel pipe, so that the whole device walks forwards and gradually moves to the condition that the included angle between the two groups of first rotating rods is the largest; meanwhile, the second transmission shaft in the other set of traveling part drives the first connecting block 3-11-3 to move upwards, the first connecting block 3-11-3 drives the sixth connecting block 3-11-11 to move upwards, and further drives the fourth connecting block 3-11-10 to move upwards, so that the first traveling block 3-11-9 moves upwards, the third transmission shaft in the other set of traveling part drives the second connecting block 3-11-4 to move downwards, the second connecting block 3-11-4 drives the seventh connecting block 3-11-18 to rotate downwards, the seventh connecting block 3-11-18 drives the fifth connecting block 3-11-17 to rotate, the fifth connecting block 3-11-17 and the third traveling block 3-11-21 give a backward force to the inner wall of the steel pipe through the fixed connection with the fifth rotating rod 3-11-20, the device is enabled to walk forwards under the combined action of the first walking blocks 3-11-9 in the group of walking parts; one group of walking parts gradually move until the included angle between the two groups of first rotating rods is the largest, the second walking blocks 3-11-14 and the third walking blocks 3-11-21 are in contact with the interior of the steel pipe, at the moment, the other group of walking parts move until the included angle between the two groups of first rotating rods is the smallest, and one group of first walking blocks 3-11-9 are in contact with the interior of the steel pipe, and the walking is repeated and circulated to achieve the effect of walking forwards; under the drive of the pressure valve, water in the water tank 4-1 enters a branch pipeline 4-7 through a water outlet pipe 4-6, is sprayed onto the inner wall of the steel pipe after rust cleaning through the branch pipeline 4-7 to clean the inner wall of the steel pipe, meanwhile, a rotating motor 5-1 drives a first driving bevel gear 3-3 to rotate, the first driving bevel gear 3-3 drives a second driving bevel gear 3-4 to rotate, the second driving bevel gear 3-4 drives a first rotating shaft 4-8 to rotate, the first rotating shaft 4-8 drives a flushing disc 4-5 to rotate, the flushing disc 4-5 drives a water outlet pipe 4-6 to rotate to clean the removed rust slag, and the sewage can flow along with the movement direction of the device because the steel pipe and the ground form an angle of 0-5 degrees, the whole device can be prevented from influencing the normal operation of the whole device due to the action of gravity; the rotary motor 5-1 is driven, a main shaft of the rotary motor 5-1 drives the first rotary helical gear 5-3 to rotate, further drives the second rotary helical gear 5-4 and the third rotary helical gear 5-5 to rotate, the second rotary helical gear 5-4 drives the first rotary shaft 4-8 in the flushing device to rotate, further drives the flushing device 4 to operate, the third rotary helical gear 5-5 drives the second rotary shaft 5-6 to rotate, the second rotary shaft 5-6 drives the rotary cylinder 5-7 to rotate, a communicating pipe 5-8 is arranged in the rotary cylinder 5-7, air in the drying fan 5-11 enters the communicating pipe 5-8 through an air outlet end in the drying fan 5-11, air in the air outlet pipe 5-10 enters the air outlet end in each group of the air distribution pipes 5-9 through the communicating pipe 5-8, blowing off larger water drops in the inner wall of the steel pipe by the air outlet pipe 5-10 with smaller diameter in the front, gradually blowing dry the thin water drops on the inner wall of the steel pipe by the air outlet pipe 5-10 with larger diameter in the rear, and drying the water drops in a targeted manner; the liquid antirust wax enters a liquid distribution pipe 6-4 through a coating box 6-1, and through a pressure increasing valve arranged on a discharge pipe 6-3, the liquid antirust wax can enter the discharge pipes 6-3 of each group through the liquid distribution pipe 6-4, and is sprayed onto the inner wall of the steel pipe through a high-pressure spray head 6-6, so that the inner wall of the steel pipe is filled with the liquid antirust wax, and meanwhile, the liquid antirust wax can quickly form a film through the residual temperature of a drying device to form a protective layer; the first connecting rod 2-10, the second connecting rod 2-15 and the third connecting rod 2-21 drive the connecting cylinder 2-11-1 to rotate, the connecting cylinder 2-11-1 and the grinding rod 2-11-3 are connected through the torsion spring 2-11-2, and the grinding rod 2-11-3 is sleeved inside the connecting cylinder 2-11-1, so that the connecting cylinder 2-11-1 can drive the grinding rod 2-11-3 and the grinding ball 2-11-4 to rotate, each part of the steel pipe can be ensured to carry out rust removal and cleaning through the grinding rod 2-11-3 and the grinding ball 2-11-4, when the rust removal head 2-11 is extruded by the inner wall of the steel pipe, the grinding ball 2-11-4 generates pressure on the grinding rod 2-11-3, the torsion spring 2-11-2 is compressed, the grinding rod 2-11-3 is pressed into the connecting cylinder 2-11-1, the grinding balls 2-11-4 are guaranteed to be always in contact with the inner wall of the steel pipe, rust removal is conducted on the inner wall of the steel pipe, meanwhile, in the moving process, the grinding rod 2-11-3 can also conduct rust removal on the steel pipe in contact, and thorough rust removal in the steel pipe is guaranteed.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the invention belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. A steel pipe interior rust removal device based on a construction site comprises a pretreatment device (1), a rust removal device (2), a walking device (3), a flushing device (4), a drying device (5) and a spraying device (6); the method is characterized in that: the pretreatment device (1) comprises a rotary disc (1-1), a rotating shaft (1-2), a first electric telescopic rod (1-3), a sleeve (1-4), a spring (1-5), an adjusting rod (1-6) and an arc scraper (1-7); one end of the rotating shaft (1-2) is fixedly connected with the rust removing device (2), the other end of the rotating shaft (1-2) is connected with a rotating disc (1-1) in a key mode, a plurality of groups of first electric telescopic rods (1-3) are arranged above the rotating disc (1-1), the connecting end of each group of first electric telescopic rods (1-3) is fixedly connected with a sleeve (1-4), the interior of the sleeve (1-4) is fixedly connected with one end of a spring (1-5), the other end of the spring (1-5) is fixedly connected with an adjusting rod (1-6), the adjusting rod (1-6) is further sleeved inside the sleeve (1-4), and the upper end of the adjusting rod (1-6) is fixedly connected with an arc-shaped scraper (1-7);

the rust removing device (2) comprises a worm (2-1), a rust removing motor (2-2), a second electric telescopic rod (2-3), a rust removing shell (2-4), a first transmission worm wheel (2-5), a first connecting shaft (2-6), a first helical gear (2-7), a second helical gear (2-8), a second connecting shaft (2-9) and a first connecting rod (2-10), the rust removal device comprises a rust removal head (2-11), a third helical gear (2-12), a fourth helical gear (2-13), a third connecting shaft (2-14), a second connecting rod (2-15), a second transmission worm gear (2-16), a fourth connecting shaft (2-17), a fifth helical gear (2-18), a sixth helical gear (2-19), a fifth connecting shaft (2-20) and a third connecting rod (2-21); the end face of the rotating shaft (1-2) is fixedly connected with one end of a worm (2-1), the other end of the worm (2-1) is connected with a derusting motor (2-2) through a coupler, the derusting motor (2-2) is arranged on a motor base, the motor base is fixedly connected with a motor shell, the rear end of the motor shell is fixedly connected with the telescopic end of a second electric telescopic rod (2-3), the fixed end of the second electric telescopic rod (2-3) is fixedly connected with a protective shell, the worm (2-1) is arranged in the derusting shell (2-4), first transmission worm wheels (2-5) are respectively arranged on the left side and the right side of the worm (2-1), and each group of the first transmission worm wheels (2-5) is meshed with the worm (2-1), each group of the first transmission worm gears (2-5) is in key connection with a first connecting shaft (2-6), the first connecting shaft (2-6) is also in key connection with a first helical gear (2-7), the first helical gear (2-7) is meshed with a second helical gear (2-8), the second helical gear (2-8) is in key connection with one end of a second connecting shaft (2-9), the other end of the second connecting shaft (2-9) is fixedly connected with a group of first connecting rods (2-10), two ends of each first connecting rod (2-10) are respectively and fixedly connected with a rust removing head (2-11), the lower end of each first connecting shaft (2-6) is also in key connection with a third helical gear (2-12), the third helical gear (2-12) is meshed with a fourth helical gear (2-13), the fourth bevel gear (2-13) is in key connection with a third connecting shaft (2-14), the third connecting shaft (2-14) is fixedly connected with a group of second connecting rods (2-15), the first connecting rods (2-10) and the second connecting rods (2-15) form an angle of 90 degrees, and two ends of the second connecting rods (2-15) are respectively and fixedly connected with the derusting heads (2-11); the upper side and the lower side of the worm (2-1) are respectively provided with a second transmission worm wheel (2-16), each group of the second transmission worm wheels (2-16) is meshed with the worm (2-1), the second transmission worm wheel (2-16) is in key connection with a fourth connecting shaft (2-17), the fourth connecting shaft (2-17) is in key connection with a fifth bevel gear (2-18), the fifth bevel gear (2-18) is meshed with a sixth bevel gear (2-19), the sixth bevel gear (2-19) is connected with a fifth connecting shaft (2-20) in a key way, the fifth connecting shaft (2-20) is fixedly connected with a group of third connecting rods (2-21), two groups of end surfaces of the third connecting rods (2-21) are fixedly connected with the derusting heads (2-11);

the traveling device (3) comprises a driving motor (3-1), a traveling shell (3-2), a first driving bevel gear (3-3), a second driving bevel gear (3-4), a first transmission shaft (3-5), a third driving bevel gear (3-6), a fourth driving bevel gear (3-7), a fifth driving bevel gear (3-8), a sixth driving bevel gear (3-9), a second transmission shaft (3-10), a traveling part (3-11), a seventh driving bevel gear (3-12), an eighth driving bevel gear (3-13) and a third transmission shaft (3-14); the driving motor (3-1) is arranged in the base, the base is fixedly connected with the traveling shell (3-2), the shaft of the driving motor (3-1) is connected with a first driving bevel gear (3-3) in a key mode, the first driving bevel gear (3-3) is meshed with a second driving bevel gear (3-4), the second driving bevel gear (3-4) is connected with a first transmission shaft (3-5), the first transmission shaft (3-5) penetrates through the traveling shell (3-2) to be fixedly connected with a group of positioning blocks, the first transmission shaft (3-5) is connected with a third driving bevel gear (3-6) in a key mode, the third driving bevel gear (3-6) is meshed with one end of a fourth driving bevel gear (3-7), and the other end of the fourth driving bevel gear (3-7) is meshed with a fifth driving bevel gear (3-8) The side surface of the fourth driving bevel gear (3-7) is meshed with a sixth driving bevel gear (3-9), the sixth driving bevel gear (3-9) is connected with a second transmission shaft (3-10) in a key way, two ends of the second transmission shaft (3-10) penetrate through the traveling shell (3-2) and are fixedly connected with the traveling part (3-11), the fifth driving bevel gear (3-8) is meshed with a seventh driving bevel gear (3-12), the side surface of the seventh driving bevel gear (3-12) is meshed with an eighth driving bevel gear (3-13), the eighth driving bevel gear (3-13) is in key connection with a third transmission shaft (3-14), two ends of the third transmission shaft (3-14) penetrate through the traveling shell (3-2) and are fixedly connected with the traveling part (3-11);

the walking part (3-11) comprises a connecting disc (3-11-1), a first connecting rod (3-11-2), a first connecting block (3-11-3), a second connecting block (3-11-4), a third connecting block (3-11-5), a second connecting rod (3-11-6), a first rotating rod (3-11-7), a second rotating rod (3-11-8), a first walking block (3-11-9), a fourth connecting block (3-11-10), a sixth connecting block (3-11-11), a third connecting rod (3-11-12), a third rotating rod (3-11-13), a second walking block (3-11-14), a fourth rotating rod (3-11-15), An eighth connecting block (3-11-16), a fifth connecting block (3-11-17), a seventh connecting block (3-11-18), a fourth connecting rod (3-11-19), a fifth rotating rod (3-11-20), a third traveling block (3-11-21) and a sixth rotating rod (3-11-22); the connecting discs (3-11-1) are provided with five groups, which are respectively as follows: the connecting device comprises a first connecting disc, a second connecting disc, a third connecting disc, a fourth connecting disc and a fifth connecting disc, wherein five groups of adjacent connecting discs (3-11-1) are fixedly connected through a first connecting rod (3-11-2), two ends of a second transmission shaft (3-10) penetrate through the second connecting disc and are respectively and fixedly connected with a first connecting block (3-11-3), two ends of a third transmission shaft (3-14) penetrate through the fourth connecting disc and are respectively and fixedly connected with a group of second connecting blocks (3-11-4), the third connecting disc and a third connecting block (3-11-5) are fixedly connected through a second connecting rod (3-11-6), the lower end of the third connecting block (3-11-5) is hinged with one end of two groups of first rotating rods (3-11-7), the other end of each group of first rotating rods (3-11-7) is hinged with the side face of each second rotating rod (3-11-8), one end of each group of second rotating rods (3-11-8) is hinged with the first walking block (3-11-9), the other end of each group of second rotating rods (3-11-8) is hinged with the fourth connecting block (3-11-10), the end face of each fourth connecting block (3-11-10) is fixedly connected with the sixth connecting block (3-11-11), the side face of each sixth connecting block (3-11-11) is fixedly connected with the first connecting block (3-11-3) through a third connecting rod (3-11-12), the lower end of each fourth connecting block (3-11-10) is hinged with one end of each third rotating rod (3-11-13), the other end of the third rotating rod (3-11-13) is fixedly connected with the second walking block (3-11-14), the third rotating rod (3-11-13) is also hinged with the fourth rotating rod (3-11-15), the fourth rotating rod (3-11-15) is fixedly connected with the eighth connecting block (3-11-16), the inner side of the eighth connecting block (3-11-16) is sleeved with one end of the fourth connecting rod (3-11-19), the other end of the fourth connecting rod (3-11-19) is sleeved with the first connecting disc, the other end of the second rotating rod (3-11-8) is hinged with the fifth connecting block (3-11-17), and the fifth connecting block (3-11-17) is fixedly connected with the seventh connecting block (3-11-18), the seventh connecting block (3-11-18) is fixedly connected with the second connecting block (3-11-4) through a fifth connecting rod, the bottom end of the fifth connecting block (3-11-17) is further hinged with one end of a fifth rotating rod (3-11-20), the other end of the fifth rotating rod (3-11-20) is fixedly connected with a third traveling block (3-11-21), a sixth rotating rod (3-11-22) is further hinged on the fifth rotating rod (3-11-20), and the movable end of the sixth rotating rod (3-11-22) is fixedly connected with the ninth connecting block (3-11-23);

the flushing device (4) comprises a water tank (4-1), a water injection door (4-2), a handle (4-3), a positioning block (4-4), a flushing pipe (4-5), a water outlet pipe (4-6), a branch pipeline (4-7) and a first rotating shaft (4-8); the upper end of the water tank (4-1) is hinged with a water injection door (4-2), a handle (4-3) is arranged on the outer side of the water injection door (4-2), one end of the water outlet pipe (4-6) is communicated with the water tank (4-1) and is clamped through a positioning block (4-4) and sealed through a sealing ring, a switch valve is arranged on the water outlet pipe (4-6), the other end of the water outlet pipe (4-6) is communicated with a branch pipeline (4-7), each branch pipeline of the branch pipeline (4-7) is provided with a pressure valve, a plurality of groups of flushing pipes (4-5) are connected with the branch pipeline (4-7) through threads, and the end face of the branch pipeline (4-7) is fixedly connected with a first rotating shaft (4-8);

the drying device (5) comprises a rotating motor (5-1), a drying shell (5-2), a first rotating bevel gear (5-3), a second rotating bevel gear (5-4), a third rotating bevel gear (5-5), a second rotating shaft (5-6), a rotating cylinder (5-7), a communicating pipe (5-8), a wind distributing pipe (5-9), a wind outlet pipe (5-10) and a drying fan (5-11); the bottom end of the rotating motor (5-1) is arranged in the motor base, the bottom end of the motor base is fixedly connected with the drying shell (5-2), the main shaft of the rotating motor (5-1) is in key connection with a first rotating helical gear (5-3), two sides of the first rotating helical gear (5-3) are respectively meshed with a second rotating helical gear (5-4) and a third rotating helical gear (5-5), the second rotating helical gear (5-4) is in key connection with a first rotating shaft (4-8), the third rotating helical gear (5-5) is in key connection with one end of a second rotating shaft (5-6), the other end of the second rotating shaft (5-6) is fixedly connected with a rotating cylinder (5-7), a communicating pipe (5-8) is arranged in the rotating cylinder (5-7), one end of the communicating pipe (5-8) is communicated with the air distributing pipe (5-9), the air outlet end of the air distributing pipe (5-9) is respectively connected with the air outlet pipe (5-10) through threads, the other end of the communicating pipe (5-8) is communicated with the air outlet end of the drying fan (5-11), and the other end of the drying fan (5-11) is fixedly connected with the spraying device;

the spraying device (6) comprises a coating box (6-1), a spraying shell (6-2), a discharge pipe (6-3), a liquid distribution pipe (6-4), a liquid outlet pipe (6-5) and a high-pressure spray head (6-6); the coating box (6-1) is arranged in the spraying shell (6-2), the coating box (6-1) is communicated with one end of a discharge pipe (6-3), a switch valve is arranged on the discharge pipe (6-3), the other end of the discharge pipe (6-3) is communicated with a liquid inlet end of a liquid distribution pipe (6-4), each group of connecting ends of the liquid distribution pipe (6-4) is communicated with one end of a liquid outlet pipe (6-5), a pressure increasing valve is arranged on each group of liquid outlet pipes (6-5), and the other end of each group of liquid outlet pipes (6-5) is communicated with a high-pressure spray head (6-6);

two ends of each group of the first connecting shaft (2-6) and the fifth connecting shaft (2-20) are respectively and fixedly connected with a first clamping block (2-22) and a second clamping block (2-23), the lower end of each group of the first clamping blocks (2-22) is in contact with the upper end of a derusting shell (2-4), and the bottom end of each group of the second clamping blocks (2-23) is arranged in the derusting shell (2-4) and is in contact with the derusting shell (2-4);

the rear end of the pretreatment device (1) is fixedly connected with the rust removal device (2), the rear end of the rust removal device (2) is fixedly connected with the walking device (3), the rear end of the walking device (3) is fixedly connected with the flushing device (4), the rear end of the flushing device (4) is provided with the drying device (5), and the rear side of the drying device (5) is fixedly connected with the spraying device (6).

2. The inside rust cleaning device of steel pipe based on building site according to claim 1 characterized in that: the bottom of the walking shell (3-2), the bottom of the water tank (4-1) and the bottom of the drying shell (5-2) are provided with a plurality of groups of self-locking universal wheels.

3. The inside rust cleaning device of steel pipe based on building site according to claim 1 characterized in that: the derusting head (2-11) comprises a connecting cylinder (2-11-1), a torsion spring (2-11-2), a grinding rod (2-11-3) and a grinding ball (2-11-4); the two ends of the first connecting rod (2-10), the second connecting rod (2-15) and the third connecting rod (2-21) are respectively 135 degrees with the connecting cylinder (2-11-1), the inside of the connecting cylinder (2-11-1) is fixedly connected with one end of the torsion spring (2-11-2), the other end of the torsion spring (2-11-2) is fixedly connected with the grinding rod (2-11-3), and the outer side of the grinding rod (2-11-3) is fixedly connected with the grinding ball (2-11-4).