CN106862198B

CN106862198B - Multi-process coupling type pipe inner wall bionic cleaning device and cleaning method thereof

Info

Publication number: CN106862198B
Application number: CN201710197567.6A
Authority: CN
Inventors: 温继伟; 裴向军; 张文; 袁进科; 何智浩; 杜野; 任童
Original assignee: Chengdu Univeristy of Technology
Current assignee: Chengdu Univeristy of Technology
Priority date: 2017-03-29
Filing date: 2017-03-29
Publication date: 2023-05-26
Anticipated expiration: 2037-03-29
Also published as: CN106862198A

Abstract

The invention relates to a multi-process coupling type pipe inner wall bionic cleaning device and a cleaning method thereof, wherein the device comprises a left nozzle, a pipe cleaner, a steel brush, a joint, a right nozzle, another joint and an obstacle removing drill bit which are sequentially and axially connected in a collinear manner, a plurality of supporting legs are arranged on the outer side wall of each joint in a spacing ring manner, one end of each supporting leg, which is far away from the joint, is provided with a roller, and the roller is just in contact with the inner wall of a pipe to be cleaned; the center of left shower nozzle, pig, steel brush, joint and right shower nozzle all is equipped with the through-hole and forms the pipeline in order, all is equipped with a plurality of nozzles on left shower nozzle and the right shower nozzle, and the nozzle on the left shower nozzle sets up towards left slant. The invention integrates the high-pressure jet cleaning and propelling of the left nozzle, the scraping of the pipe cleaner, the scraping of the steel brush, the full-section cleaning of the high-pressure jet of the right nozzle and the multi-process coupling cleaning of the obstacle-removing drill bit, and has the remarkable advantages of high efficiency, environmental protection, low consumption, strong flexibility and adaptability, no dead angle in all directions, capability of removing dirt which is difficult to clean by the conventional method, and the like.

Description

Multi-process coupling type pipe inner wall bionic cleaning device and cleaning method thereof

Technical Field

The invention relates to the technical fields of grouting, non-excavation, drilling, oil and gas storage and transportation, life line engineering, underground comprehensive pipe rack, sponge city and the like, in particular to a multi-process coupling type pipe inner wall bionic cleaning device and a cleaning method thereof.

Background

Grouting (Grouting), also called Grouting (grouping), mainly comprises static pressure Grouting (Static Pressure Grouting), high-pressure Injection Grouting (High Pressure Jet Grouting) and the like, and is widely applied to rock-soil body reinforcement and seepage prevention in projects such as water conservancy and hydropower, traffic, buildings, mines and the like, and is used as a common technical means for slope protection, sand slip slope protection, water and soil conservation and the like in geological disaster management and geological environment protection. The non-excavation technology (Trenchless Technology or No-Dig) is used for detecting, paving, repairing or replacing the underground pipeline under the condition of micro-excavation or non-excavation, has the technical advantages of not damaging the surface environment, not influencing ground traffic and the like, which are incomparable to a plurality of open excavation methods, and is an environment-friendly novel underground pipeline construction technology with great development potential. Drilling (Drilling) comprises Drilling/well (Drilling) and Tunneling (Tunneling), wherein rock and soil layers are broken through in a mechanical and chemical mode, so that Drilling holes or tunnels with the specification and quality meeting requirements are formed in the rock and soil bodies, and the purposes of exploring and developing mineral resources (including natural gas hydrate, shale gas, oil shale and other unconventional energy sources), acquiring rock (ore) cores and ice cores, preventing and treating disasters, early warning, implementing engineering construction and the like are achieved. The Oil and gas storage and transportation (Oil & Gas Storage and Transportation) is a tie for connecting links of Oil and gas production, processing, distribution and sales, and mainly comprises an Oil and gas field gathering and transportation, a long-distance transportation pipeline, a storage, loading and unloading system, a city transportation and distribution system and the like. The life line engineering (Lifeline Engineering) is a traffic, communication, water supply, drainage, power supply, air supply, oil transportation and other engineering systems which are closely related to life of people and have great influence on social life and production. The utility tunnel (Underground Pipe Gallery), namely the utility tunnel of the utility city pipeline, is a structure and auxiliary facilities which are built under the city and are used for accommodating two or more types of city engineering pipelines. Sponge City is a new generation City rain and flood management concept, and refers to a City with good elasticity in terms of adapting to environmental changes and coping with natural disasters caused by rainwater, and can also be called as a water elasticity City.

The smooth implementation of the technical fields of the engineering is not separated from the pipe tool, and the pipe tool mainly refers to a component with through holes in a pipeline, a drill rod, a sleeve and the like. In addition, in the implementation process of drilling (well), when the drilling is difficult to be effective when meeting complex stratum and abutting against a mud wall protection, a casing pipe is often needed to be put down so as to ensure the smooth implementation of drilling (well) operation, and the use and daily maintenance conditions of the drilling pipe and the casing pipe directly determine the use condition and service life of the drilling pipe; various pipelines paved on the ground or buried underground are indispensable as media for conveying fluids or fluid-solid coupling media such as petroleum, natural gas, shale oil/gas, coal bed gas, water, ore pulp and the like, especially for long-distance conveying, but after a period of use, the inner wall of the pipeline is inevitably subjected to various problems such as sludge, scaling, corrosion, rust and the like which affect the normal operation of a pipeline system. In summary, in order to improve the adverse effects of the dirt such as mud, cement slurry, oxidized rust layer, corrosion layer and the like adhered to the inner wall of the pipe on the service condition and service life thereof, the smooth implementation of various engineering technical fields such as grouting, non-excavation, drilling, oil gas storage and transportation, life line engineering, underground utility tunnel, sponge city and the like is ensured, and the inner wall of the pipe needs to be cleaned as necessary.

The existing pipe cleaning device can not thoroughly clean the inner wall of the pipe, the cleaning method is single, the energy consumption is high during cleaning, the operation efficiency is low, and the flexibility, the adaptability and the stability are not strong.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art, provides a multi-process coupling type bionic cleaning device for the inner wall of a pipe and a cleaning method thereof, and solves the problem of cleaning the inner wall of a component provided with through holes in a pipeline, a drill rod, a sleeve and the like after a period of use.

The technical scheme for solving the technical problems is as follows: the utility model provides a multi-process coupling formula pipe utensil inner wall bionic cleaning device, includes left shower nozzle, pig, steel brush, joint, right shower nozzle, another that axial collineation is connected in order connect with the drill bit that clears away obstacles, every the spacer ring is equipped with a plurality of landing legs on the lateral wall that connects, the landing leg is kept away from the one end that connects is equipped with the gyro wheel, just the gyro wheel just with wait to clean the inner wall contact setting of pipe utensil.

The cleaning device comprises a left nozzle, a pipe cleaner, a steel brush, a joint and a right nozzle, wherein through holes are formed in the centers of the left nozzle, the pipe cleaner, the steel brush and the joint and the right nozzle are sequentially formed into a pipeline, a plurality of nozzles are arranged on the left nozzle and the right nozzle, the nozzles are respectively communicated with the corresponding left nozzle or right nozzle, the nozzles on the left nozzle are obliquely arranged towards the left, the left end of the left nozzle is communicated with an external high-pressure pipe through which cleaning liquid is communicated, the cleaning liquid enters the pipeline from the external high-pressure pipe and then is respectively sprayed out of the nozzles on the left nozzle and the right nozzle, high-pressure jet is formed to simultaneously clean the inner wall of a pipe to be cleaned, and the reverse thrust generated by the high-pressure jet sprayed out of the nozzles on the left nozzle drives the whole cleaning device to move in the pipe to be cleaned, so that the pipe cleaner, the steel brush and the obstacle-removing drill simultaneously clean dirt adhered on the inner wall of the pipe to be cleaned.

The beneficial effects of the invention are as follows: the multi-process coupling type bionic cleaning device for the inner wall of the pipe tool integrates the advantages of high-pressure jet cleaning, pipe cleaner scraping, steel brush scraping, obstacle-removing drill bit obstacle-removing multi-process coupling type effective cleaning for the inner wall of the pipe tool to be cleaned, and has the advantages of high efficiency, environmental protection, low consumption, wide application range, strong flexibility and adaptability, no dead angle in all directions, capability of removing dirt which is difficult to clean by a conventional method and the like.

Based on the technical scheme, the invention can also be improved as follows:

further: the left spray head comprises a left spray head inlet section, a left spray head body and a left spray head outlet section which are sequentially connected, the left spray head inlet section and the left spray head outlet section are respectively axially and collinearly arranged at the left end and the right end of the left spray head body, and the left spray head inlet section is communicated with the left spray head outlet section; the left end of the left nozzle inlet section is communicated with an external high-pressure pipe, and the right end of the left nozzle outlet section is communicated with the left end of the pipe cleaner; the left end face of the left nozzle body is provided with a plurality of left nozzle connecting holes in a left oblique mode, all the left nozzle connecting holes are communicated with the pipeline, and the nozzles are arranged at the left nozzle connecting holes in a one-to-one correspondence mode and are communicated with the left nozzle connecting holes.

The beneficial effects of the above-mentioned further scheme are: the left nozzle can provide power for the whole device to move rightwards in the pipe to be cleaned, and meanwhile, the high-pressure jet ejected through the nozzle also has the function of cleaning the inner wall of the pipe.

Further: the pig comprises two pig connecting sections and a pig body which is cylindrical, wherein the two pig connecting sections are axially arranged at the left end and the right end of the pig body in a collinear manner, the two pig connecting sections are mutually communicated, one end of the pig connecting section, which is far away from the pig body, is respectively connected with the left nozzle and the steel brush, and bionic non-smooth units are respectively arranged on the side surfaces and the left end face and the right end face of the pig body.

The beneficial effects of the above-mentioned further scheme are: the pipe cleaner can scrape dirt on the inner wall of the pipe to be cleaned, and can remove dirt and debris, accumulated liquid and other sundries remained at the bottom of the pipe.

Further: the bionic non-smooth units are one or more of pits, convex hulls and ribs, the bionic non-smooth units are arranged on the side surface, the left end surface and the right end surface of the pipe cleaner body and the surface of the roller at intervals, the bionic non-smooth units are arranged in a plurality of rows, and the bionic non-smooth units in two adjacent rows are arranged in a staggered mode.

The beneficial effects of the above-mentioned further scheme are: the bionic non-smooth units are staggered on the side surfaces, the left end surface and the right end surface of the pipe cleaner body and the surfaces of the rollers, so that the side surfaces, the left end surface and the right end surface of the pipe cleaner body which are originally continuously smooth and the surfaces of the rollers become discontinuous and non-smooth (uneven) and present a bionic non-smooth form, the contact area between the side surfaces of the pipe cleaner body and the surfaces of the rollers and the inner wall of the pipe cleaner in the moving process of the side surfaces and the surfaces of the rollers along the inner wall of the pipe cleaner can be effectively reduced, the friction resistance is reduced, the energy consumption is reduced, the wear resistance is enhanced, and meanwhile, the adhesion state of dirt adhered on the side surfaces, the left end surface and the surfaces of the pipe cleaner body and the inner wall of the pipe cleaner can be improved, so that the anti-sticking effect is achieved.

Further: the steel brush comprises two steel brush connecting sections and a steel brush body which is cylindrical, wherein the two steel brush connecting sections are axially arranged at the left end and the right end of the steel brush body in a collinear mode, the two steel brush connecting sections are mutually communicated, one end, far away from the steel brush body, of the steel brush connecting sections is respectively connected with the pipe cleaner and the joint at the left end of the right spray head, and bristles are respectively arranged on the side surface and the left end face and the right end face of the steel brush body.

The beneficial effects of the above-mentioned further scheme are: the steel brush can scrape dirt which is difficult to remove, such as a rust layer on the inner wall of the pipe to be cleaned, and is also beneficial to discharging dirt, fragments and other sundries which remain at the bottom of the pipe to be cleaned.

Further: the right spray head comprises two right spray head connecting sections and a right spray head body, the two right spray head connecting sections are axially and collinearly arranged at the left end and the right end of the right spray head body, the two right spray head connecting sections are mutually communicated, and one ends of the two right spray head connecting sections, which are far away from the right spray head body, are correspondingly connected with the two connectors at the left end and the right end of the right spray head respectively; the side surface of the right nozzle body is provided with a plurality of right nozzle connecting holes, all the right nozzle connecting holes are communicated with the pipeline, and the nozzles are arranged at the right nozzle connecting holes in a one-to-one correspondence manner and are communicated with the right nozzle connecting holes.

The beneficial effects of the above-mentioned further scheme are: the right spray head and the spray nozzle spray high-pressure jet flow to effectively clean the full section of the inner wall of the pipe to be cleaned, so that the cleaning effect is ensured.

Further: the through hole inner wall surfaces of the pipe cleaner, the steel brush and the joint and the inner wall surface of the nozzle are respectively provided with a plurality of annular grooves at intervals, and the arrangement directions of the annular grooves are perpendicular to the corresponding inner wall surfaces of the pipe cleaner, the steel brush, the joint and the nozzle.

The beneficial effects of the above-mentioned further scheme are: the annular grooves are arranged on the inner wall surfaces of the through holes of the pipe cleaner, the steel brush and the joint and the inner wall surface of the nozzle at intervals and vertically, so that the surfaces of the inner wall of the through holes of the pipe cleaner, the steel brush and the joint which are originally continuously smooth and the inner wall of the nozzle become discontinuous and non-smooth (uneven), and the surfaces of the inner wall of the nozzle are in a bionic non-smooth form, therefore, when the cleaning liquid flows in the pipe cleaner, the steel brush, the joint and the nozzle, reverse vortex can be formed in the annular grooves, and the reverse vortex causes the 'liquid-liquid' contact of the cleaning liquid in the annular grooves and the cleaning liquid outside the annular grooves, so that a 'vortex pad effect' is formed; the turbulence in the reverse direction inside the ring groove and the frictional resistance on the contact surface between the cleaning liquid outside the ring groove create additional power, which creates a "pushing effect" for the cleaning liquid outside the ring groove; the vortex which is reversed in the annular grooves is similar to a plurality of hydraulic bearings which are arranged on the inner wall surfaces of the pipe cleaner, the steel brush, the joint and the nozzle, so that friction resistance loss between the cleaning liquid and the inner wall surfaces of the cleaning liquid in the internal flowing process can be effectively reduced; the vortex reversed in the annular grooves can change the motion state of the mixed solid particles in the cleaning liquid, so that the solid particles which are to be contacted with the pipe cleaner, the steel brush, the joint and the inner wall surface of the nozzle can be driven off, namely, a driving-off effect is generated; meanwhile, due to the arrangement of the annular grooves, continuous scraping of solid-phase particles mixed in the cleaning solution on the original smooth inner wall surfaces of the pipe cleaner, the steel brush, the joint and the nozzle becomes discontinuous, and when the solid-phase particles mixed in the cleaning solution strike on the uneven non-smooth surface, rebound effects are easily formed to change the movement track of the solid-phase particles, so that the comprehensive effect is beneficial to improving the wear resistance of the inner wall surfaces of the pipe cleaner, the steel brush, the joint and the nozzle, and the service life of the pipe cleaner, the steel brush, the joint and the nozzle is prolonged.

Further: the spray nozzle further comprises an elbow joint for adjusting the spray direction and the spray angle of the spray nozzle, one end of the elbow joint is connected with the left spray nozzle or the right spray nozzle, the other end of the elbow joint is connected with the inlet section of the spray nozzle, and the inlet section of the spray nozzle is communicated with the corresponding left spray nozzle or right spray nozzle through the elbow joint.

The beneficial effects of the above-mentioned further scheme are: the spray direction and the spray angle of the high-pressure jet sprayed by the spray nozzle can be adjusted through the elbow joint, so that the whole cleaning device has a more flexible cleaning range in the process of cleaning the inner wall of the pipe, the inner wall of the pipe to be cleaned is ensured to have no cleaning dead angle, and the cleaning quality is ensured.

Further: the device is characterized by further comprising a plugging joint, wherein the plugging joint is arranged between the right spray head and the joint close to the right end of the right spray head, one end of the plugging joint is connected with the right spray head, and the other end of the plugging joint is connected with the joint close to the right end.

The beneficial effects of the above-mentioned further scheme are: the plugging connector can prevent the cleaning liquid in the pipeline from flowing to the right, reduce the energy consumption and loss of the cleaning liquid in the flowing process in the pipeline as much as possible, and improve the effective utilization rate of the cleaning liquid; when the obstacle clearance drill bit is a jet drill bit, the obstacle clearance of the obstacle clearance drill bit and the combined obstacle clearance and jet cleaning can be realized by selectively installing or detaching the plugging connector.

The invention also provides a cleaning method of the multi-process coupling type pipe inner wall bionic cleaning device, which comprises the following steps:

step 1: communicating the cleaning device with an external high-pressure pipe through which cleaning liquid is communicated;

step 2: placing the cleaning device from one end of the pipe to be cleaned, and ensuring that the end provided with the obstacle clearance drill bit faces the other end of the pipe to be cleaned;

step 3: the method comprises the steps of connecting an external high-pressure pipe and cleaning the inner wall of a pipe to be cleaned, and specifically comprises the following steps: after the cleaning liquid enters the pipeline from the external high-pressure pipe, high-pressure jet flows are respectively formed at the nozzles on the left nozzle and the right nozzle and are sprayed to the inner wall of the pipe to be cleaned, the inner wall of the pipe to be cleaned is cleaned, meanwhile, the reverse thrust generated by the high-pressure jet flows sprayed from the nozzles on the left nozzle drives the cleaning device to move in the pipe to be cleaned, synchronously, the pipe cleaner 2 scrapes the inner wall of the pipe 0 to be cleaned, the steel brush 3 scrapes the inner wall of the pipe 0 to be cleaned, and the obstacle-removing drill 10 performs obstacle removal on the inner wall of the pipe 0 to be cleaned;

step 4: repeating the step 2 and the step 3, and cleaning the inner wall of the pipe to be cleaned for a plurality of times.

The cleaning method of the multi-process coupling type pipe inner wall bionic cleaning device integrates the advantages of high-pressure jet cleaning of the left nozzle, scraping of a pipe cleaner, scraping of a steel brush, full-section cleaning of the high-pressure jet of the right nozzle and barrier-removing drill bit barrier-removing multi-process coupling type effective cleaning, and meanwhile, the reverse thrust generated by the high-pressure jet sprayed by the nozzle on the left nozzle drives the whole cleaning device to move in the pipe, so that the cleaning method has a series of remarkable advantages of high efficiency, environment friendliness, low consumption, wide application range, high flexibility and adaptability, no dead angle in all directions, capability of removing dirt which is difficult to clean by a conventional method and the like.

Drawings

FIG. 1 is a front view of a multi-process coupled pipe inner wall bionic cleaning apparatus according to the present invention;

FIG. 2 is an exploded schematic view of a multi-process coupled pipe inner wall bionic cleaning apparatus according to the present invention;

FIG. 3 is a schematic diagram of a multi-process coupled pipe inner wall bionic cleaning apparatus according to the present invention;

FIG. 4 is a schematic view of a left nozzle structure according to the present invention;

FIG. 5 is an isometric view of a pig with a pit-type biomimetic non-smooth surface according to the present invention;

FIG. 6 is a cross-sectional view of a pig with a pit-type biomimetic non-smooth surface according to the present invention;

FIG. 7 is an isometric view of a pig with a ribbed biomimetic non-smooth surface according to the present invention;

FIG. 8 is a side view of a pig of the ribbed biomimetic non-smooth surface of the present invention;

FIG. 9 is an isometric view of a pig with a rib-pit coupled bionic non-smooth surface according to the present invention;

FIG. 10 is an enlarged partial view of the pig surface of the rib-pit coupled bionic non-smooth surface of the present invention;

FIG. 11 is an isometric view of a steel brush of the present invention;

FIG. 12 is a cross-sectional view of a steel brush of the present invention;

FIG. 13 is an isometric view of a joint of the present invention;

FIG. 14 is a cross-sectional view of a joint of the present invention;

FIG. 15 is a schematic illustration of a leg and roller connection of the present invention;

FIG. 16 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a hemispherical cross-section dimple roller;

FIG. 17 is a schematic view of a partially enlarged construction of FIG. 16;

FIG. 18 is a schematic view of the longitudinal cross-sectional structure of FIG. 16;

FIG. 19 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a circular cross-section dimple roller;

FIG. 20 is a schematic view of a partially enlarged construction of FIG. 19;

FIG. 21 is a schematic view of the longitudinal cross-sectional structure of FIG. 19;

FIG. 22 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a rectangular cross-section dimple roller;

FIG. 23 is a schematic view of a partially enlarged construction of FIG. 22;

FIG. 24 is a schematic view of the longitudinal cross-sectional structure of FIG. 22;

FIG. 25 is an isometric view of one embodiment of a convex hull roller with hemispherical cross-section with a surface biomimetic non-smooth element according to the present disclosure;

FIG. 26 is a schematic view of a partially enlarged construction of FIG. 25;

FIG. 27 is a schematic view of the longitudinal cross-sectional structure of FIG. 25;

FIG. 28 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a convex hull roller with a circular cross-section;

FIG. 29 is a schematic view of the enlarged partial structure of FIG. 28;

FIG. 30 is a schematic view of the longitudinal cross-sectional structure of FIG. 28;

FIG. 31 is an isometric view of one embodiment of a convex hull type roller having a rectangular cross-section with a surface biomimetic non-smooth element according to the present disclosure;

FIG. 32 is a schematic view of a partially enlarged structure of FIG. 31;

FIG. 33 is a schematic view of the longitudinal cross-sectional structure of FIG. 31;

FIG. 34 is an isometric view of one embodiment of a ribbed roller having a circular arc cross-section with a surface biomimetic non-smooth element according to the present disclosure;

FIG. 35 is a schematic view of the longitudinal cross-sectional structure of FIG. 34;

FIG. 36 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a rectangular cross-section ribbed roller;

FIG. 37 is a schematic view of the longitudinal cross-sectional structure of FIG. 36;

FIG. 38 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a regular triangle cross-section ribbed roller;

FIG. 39 is a schematic view of the longitudinal cross-sectional structure of FIG. 38;

FIG. 40 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a V-section ribbed roller;

FIG. 41 is a schematic longitudinal section of FIG. 40;

FIG. 42 is an isometric view of one embodiment of a surface biomimetic non-smooth element of the present invention as a pit-convex hull coupled roller;

FIG. 43 is a schematic view of a partially enlarged construction of FIG. 42;

FIG. 44 is a schematic view of the longitudinal cross-sectional structure of FIG. 42;

FIG. 45 is an isometric view of one embodiment of the present invention wherein the surface biomimetic non-smooth element is a pit-rib coupled roller;

FIG. 46 is a schematic view of a partially enlarged construction of FIG. 45;

FIG. 47 is a schematic view of the longitudinal cross-sectional structure of FIG. 45;

FIG. 48 is an isometric view of an embodiment of the present invention wherein the surface biomimetic non-smooth element is a convex hull-rib coupled roller;

FIG. 49 is a schematic view of the enlarged partial structure of FIG. 48;

FIG. 50 is a schematic longitudinal cross-sectional view of FIG. 48;

FIG. 51 is a schematic view of a right nozzle structure according to the present invention;

FIG. 52 is a schematic view of a nozzle structure according to the present invention;

FIG. 53 is a cross-sectional view of a nozzle of the present invention;

FIG. 54 is a schematic view of the connection structure of the nozzle and elbow of the present invention;

FIG. 55 is a schematic view of the construction of the obstacle clearing drill bit of the present invention;

Fig. 56 is a cross-sectional view of a plugged connector of the present invention.

In the drawings, the list of components represented by the various numbers is as follows:

0. the pipe fitting to be cleaned comprises a left spray head 1, a pipe cleaner 2, a steel brush 3, a joint 4, a joint 5, a supporting leg 6, a roller 7, a right spray head 8, a nozzle 9, a plugging joint 10 and an obstacle clearance drill bit;

11. left nozzle inlet section, 12, left nozzle body, 13, left nozzle outlet section, 21, pig connecting section, 22, pig body, 31, steel brush connecting section, 32, steel brush body, 41, joint connecting section, 42, joint connecting wing plate, 43, leg connecting hole, 61, center hole, 62, bionic non-smooth unit, 71, right nozzle connecting section, 72, right nozzle body, 81, nozzle inlet section, 82, nozzle outlet section, 83, connecting body, 84, ring groove, 85, elbow joint, 91, shutoff joint first connecting section, 92, shutoff joint second connecting section, 93, shutoff baffle, 101, clearance drill connecting section, 102, clearance drill base, 103, clearance drill cutting tool.

Detailed Description

The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.

As shown in fig. 1, 2 and 3, the multi-process coupling type pipe inner wall bionic cleaning device comprises a left nozzle 1, a pipe cleaner 2, a steel brush 3, a joint 4, a right nozzle 7, another joint 4 and an obstacle clearance drill bit 10 which are sequentially connected in an axial collinear manner, a plurality of supporting legs 5 are arranged on the outer side wall of each joint 4 in a spacing ring manner, one end, away from the joint 4, of each supporting leg 5 is provided with a roller 6, and the roller 6 is just in contact with the inner wall of the pipe 0 to be cleaned.

The center of left shower nozzle 1, pig 2, steel brush 3, connect 4 and right shower nozzle 7 all is equipped with the through-hole and forms the pipeline in order, all be equipped with a plurality of nozzles 8 on left shower nozzle 1 and the right shower nozzle 7, just nozzle 8 respectively with corresponding left shower nozzle 1 or right shower nozzle 7 intercommunication, on the left shower nozzle 1 the nozzle 8 sets up towards left slant, the left end of left shower nozzle 1 communicates with the outside high-pressure pipe that has the cleaning solution, and the cleaning solution gets into from outside high-pressure pipe behind the pipeline is located from nozzle 8 on left shower nozzle 1 and the right shower nozzle 7 respectively to form high-pressure jet, treat cleaning pipe 0's inner wall simultaneously and clean, and from being located on the left shower nozzle 1 the thrust that the high-pressure jet that the nozzle 8 spouted produced drives whole cleaning device and is in treating cleaning pipe 0, and simultaneously, pig 2, steel brush 3 and clear barrier bit 10 clean the dirt that adheres to treating cleaning pipe 0 inner wall. Here, the injection pressure of the high-pressure jet is 10MPa or more.

The cleaning device of the invention cleans the inner wall of the pipe tool 0 to be cleaned by utilizing high-pressure jet flow, pumps cleaning liquid by an external high-pressure pump and enters the pipeline through the high-pressure pipe, and then flows through the left nozzle 1, the pipe cleaner 2, the steel brush 3 and the joint 4 in sequence to reach the right nozzle 7, and the cleaning liquid cannot continue to flow rightwards due to the restriction of the obstacle-removing drill bit 10, so that a plurality of high-pressure jet flows with relatively concentrated energy are formed by jetting the cleaning liquid from the nozzles 8 on the right nozzle 7, and if the flow is large enough, the cleaning liquid cannot be completely jetted from the nozzles 8 on the right nozzle 7 at the moment, but can be accumulated in the pipeline and jetted from the nozzles 8 arranged on the left nozzle 1, and a plurality of high-pressure jet flows with relatively concentrated energy are also formed. When a plurality of high-pressure jet flows sprayed at high speed from the nozzles 8 on the right nozzle 7 and the left nozzle 1 strike the inner wall of the pipe to be cleaned, dirt such as slurry, cement paste, sludge, oxidized rust layer, scaling, corrosion layer and the like adhered on the inner wall of the pipe can be impacted and destroyed, and peeled off from the inner wall of the pipe, and meanwhile, the overflow formed by the jet flows can play a positive role in migration and elimination of the high-pressure jet flows.

When the cleaning device is used for cleaning, the specification of the cleaning device is adapted to the specification (such as inner diameter, shape and the like) of the pipe to be cleaned 0, and a high-pressure pump, a water tank, a dirt collecting tank (tank), a high-pressure air pump/air compressor, a high-pressure pipe and a suction pump (flexibly selected according to the cleaning condition on site) are also required to be provided; the high-pressure pump is used for pumping cleaning liquid, the water tank is used for storing the cleaning liquid, the dirt collecting tanks (tanks) are respectively arranged at two ends of the pipe tool to be cleaned and used for storing sundries such as dirt liquid, the high-pressure pump/air compressor is used for providing compressed air, and the suction pump is used for pumping accumulated liquid remained in the pipe tool after the cleaning operation of the invention is used.

As shown in fig. 4, in this embodiment, the left nozzle 1 includes a left nozzle inlet section 11, a left nozzle body 12 and a left nozzle outlet section 13 that are sequentially connected, the left nozzle inlet section 11 and the left nozzle outlet section 13 are respectively axially co-linearly disposed at the left and right ends of the left nozzle body 12, and the left nozzle inlet section 11 is in communication with the left nozzle outlet section 13. The left spray head inlet section 11 is longer than the left spray head outlet section 13, considering the space requirements of the connecting nozzles 8.

The left end of the left nozzle inlet section 11 is communicated with an external high-pressure pipe, and the right end of the left nozzle outlet section 13 is communicated with the left end of the pipe cleaner 2; the left end face of the left nozzle body 12 is provided with a plurality of left nozzle connecting holes in a left oblique direction, all the left nozzle connecting holes are communicated with the pipeline, and the nozzles 8 are arranged at the left nozzle connecting holes in a one-to-one correspondence manner and are communicated with the left nozzle connecting holes. The left nozzle head 1 can provide power for the whole device to move rightwards in the pipe tool 0 to be cleaned, and meanwhile, the high-pressure jet ejected through the nozzle 8 also has the function of cleaning the inner wall of the pipe tool.

Considering that the sealing performance between the planes is better than that of the curved surface and the processing difficulty, in this embodiment, the left nozzle body 12 is an N-sided prism (N is greater than or equal to 4), the left side of the left nozzle 1 is an N-sided pyramid, each plane of the N-sided pyramid is respectively provided with a connecting hole that is communicated with the through hole in the left nozzle 1, and the other end of the connecting hole is used for connecting the nozzle 8, as shown in fig. 4, N is 6. On each plane of the pyramid on the left side of the left nozzle 1, a left nozzle connecting hole communicated with the through hole is respectively arranged along the direction perpendicular to the plane, 6 nozzles 8 are correspondingly communicated with the through hole in the left nozzle body 12 one by one through the left nozzle connecting hole, so that the spraying direction of the high-pressure jet generated by the 6 nozzles 8 is the vertical direction of the conical surface connected with the high-pressure jet, the spraying angle is the included angle between the vertical line of the conical surface connected with the high-pressure jet and the axis of the left nozzle 1, and the main function of the left nozzle 1 is to provide the propelling force required by moving in the pipe 0 to be cleaned, so that the spraying direction is opposite to the direction to be moved by the invention, and the spraying angle is controlled within the range of 10-30 degrees.

In the invention, the high-pressure jet is obliquely sprayed to the left through the nozzle 8 on the left nozzle 1, so that the whole cleaning device is formed into reverse thrust to the right, and the whole cleaning device is pushed to move to the right. When encountering dirt which is difficult to clean, if the dirt is difficult to push only by means of the reverse thrust formed by the left nozzle 1, the cleaning device can also assist in jointly providing the propulsion in the mode of pulling by a right steel rope or pushing by a left hard component, or according to the actual condition of the site, the jet directions and the jet angles of a plurality of nozzles 8 arranged on the right nozzle 7 are regulated, so that a plurality of high-pressure jet flows generated by the cleaning device are the same as the high-pressure jet flows generated by the left nozzle 1, and the cleaning and pushing dual functions are realized, so that the whole cleaning device can smoothly move rightwards in a pipe 0 to be cleaned. Of course, if it is necessary to repeatedly clean the already cleaned portion, the entire cleaning apparatus may be retracted by pulling back the external high-pressure pipe.

As shown in fig. 5 to 10, in this embodiment, the pig 2 includes two pig connecting sections 21 and a cylindrical pig body 22, the two pig connecting sections 21 are axially co-linearly disposed at left and right ends of the pig body 22, the two pig connecting sections 21 are mutually communicated, one ends of the two pig connecting sections 21, which are far away from the pig body 22, are respectively connected with the left nozzle 1 and the steel brush 3, and the side surfaces and the left and right end surfaces of the pig body 22 are respectively provided with bionic non-smooth units 62. The cleaning pipe 2 can scrape dirt on the inner wall of the pipe tool 0 to be cleaned, and can remove dirt and debris, accumulated liquid and other sundries remained on the bottom of the pipe tool. Here, the specifications of the pig 2 should be matched to the shape and size of the pipe to be cleaned.

Preferably, the bionic non-smooth units 62 are one or more of pits, convex hulls and ribs, the bionic non-smooth units 62 are arranged on the side surfaces, the left end surface, the right end surface and the surface of the pig body 22 at intervals, the bionic non-smooth units 62 are arranged in a plurality of rows, and the bionic non-smooth units 62 in two adjacent rows are staggered. The bionic non-smooth units 62 are staggered on the side surfaces, the left end surface and the right end surface of the pipe cleaner body 22 and the surfaces of the rollers, so that the side surfaces, the left end surface and the right end surface of the pipe cleaner body 22 and the surfaces of the rollers 6 which are originally continuously smooth become discontinuous and non-smooth (uneven), and the bionic non-smooth form is presented, thereby effectively reducing the contact area between the side surfaces of the pipe cleaner body 22 and the surfaces of the rollers 6 and the inner wall of the pipe cleaner in the moving process along the inner wall of the pipe cleaner, reducing friction resistance, reducing energy consumption and enhancing wear resistance, and simultaneously improving the adhesion state of dirt adhered on the side surfaces, the left end surface and the right end surface of the pipe cleaner body 22 and the surfaces of the rollers 6 and the inner wall of the pipe cleaner, and having anti-sticking effect. Here, the bionic non-smooth units 62 are uniformly arranged on the side surfaces and the left and right end surfaces of the pig body 22 in adjacent two rows in a regular triangle manner. Fig. 5 and 6 are an isometric view and a sectional view of a pig with a pit-type surface, fig. 7 and 8 are an isometric view and a side view of a pig with a rib-type bionic non-smooth surface, and fig. 9 and 10 are an isometric view and a partial enlarged surface view of a pig with a rib-pit coupling-type bionic non-smooth surface.

As shown in fig. 11 and 12, in this embodiment, the steel brush 3 includes two steel brush connection sections 31 and a cylindrical steel brush body 32, two steel brush connection sections 31 are axially co-linearly disposed at left and right ends of the steel brush body 32, and two steel brush connection sections 31 are mutually communicated, one end of the two steel brush connection sections 31, which is far away from the steel brush body 32, is respectively connected with the pig 2 and the joint 4 located at the left end of the right nozzle 7, and side surfaces and left and right end surfaces of the steel brush body 32 are respectively provided with bristles. The steel brush 3 can scrape dirt which is difficult to remove, such as a rust layer on the inner wall of the pipe 0 to be cleaned, and is also helpful for discharging dirt, fragments and other sundries which remain on the bottom of the pipe 0 to be cleaned. Here, the specification of the steel brush 3 is matched with the specification of the pipe tool 0 to be cleaned.

As shown in fig. 13 and 14, specifically, the joint 4 is mainly composed of a joint connection section 41, X joint connection wings 42 arranged in a ring shape, and X leg connection holes 43 arranged in the middle of the top surface of the joint connection wings 42 (x=3 or 4). The X joint connection wing plates 42 are annularly arranged on the outer circumferential surface of the middle part of the joint 4, and mainly have two arrangement modes: (1) when x=4, that is, four joint 4 connecting wings 42 are annularly arranged on the outer circumferential surface of the middle part of the joint 4 in a manner of 90 ° to each other; (2) when x=3, that is, three joint 4 connecting wings 42 are annularly arranged on the outer circumferential surface of the middle part of the joint 4 in a manner of 120 ° to each other.

In this embodiment, the main function of the joint 4 is to serve as a carrier for connecting the legs 5 and the rollers 6, and also to serve as a part of the piping for the passage of cleaning liquid. The two connectors 4 in the invention are respectively arranged at the left side and the right side of the right nozzle 7, and the arrangement mode is mainly based on the comprehensive consideration of three points: (1) the counter-thrust of the several high-pressure jets produced by the right nozzle 7 is greater, possibly resulting in greater vibrations; (2) the right-most obstacle-removing drill bit 10 also needs to provide reliable support during cleaning of obstacles; (3) the support and guiding of the left end part of the whole device (left nozzle head 1, pig 2, steel brush 3) can be provided by the pig 2 and steel brush 3, while the support and guiding of the right end part of the invention (right nozzle head 7, plugging joint 9 and obstacle clearance drill 10) needs to be provided by the combination of two joints 4, legs 5 and rollers 6 arranged on both sides of the right nozzle head 7.

As shown in fig. 15, the top end of each leg 5 is connected to a roller 6, and the rollers 6 may be fixed wheels or universal wheels. When a group of three rollers are arranged, the rollers can be arranged as universal wheels to realize the steering function, so that the cleaning device is suitable for cleaning the inner wall of the bending pipe.

In this embodiment, the roller 6 is made of rubber or other suitable materials, a roller center hole 61 for fixed connection is provided in the middle of the roller 6, and bionic non-smooth units 62 are uniformly distributed on the surface of the outer circumference of the roller 6 according to a certain rule, and the bionic non-smooth units include: pit type, convex hull type, rib type, and coupling type. The bionic prototype of the bionic non-smooth unit is an animal and plant surface (such as the surface of dung beetles, dragonflies, lotus leaves, shells and the like is provided with a structure of pits, convex hulls or ribs and the like which are distributed according to a certain rule) with the functions of anti-sticking, desorption, drag reduction, consumption reduction, wear resistance and the like in nature. The cross-sectional shapes of the pits and the convex hulls are mainly hemispherical, circular and rectangular, as shown in fig. 16-18, the surface bionic non-smooth units are schematic views of hemispherical cross-section pit-type rollers, as shown in fig. 19-21, the surface bionic non-smooth units are schematic views of circular cross-section pit-type rollers, as shown in fig. 22-24, and the surface bionic non-smooth units are schematic views of rectangular cross-section pit-type rollers; fig. 25-27 show schematic views of semi-spherical section convex hull type rollers, fig. 28-30 show schematic views of circular section convex hull type rollers, fig. 31-33 show schematic views of rectangular section convex hull type rollers. The cross section of the rib is mainly arc-shaped, rectangular, regular triangle and V-shaped, as shown in figures 34-35, and the surface bionic non-smooth unit is a schematic view of an arc-shaped cross section rib roller; 36-37, the surface bionic non-smooth unit is a schematic view of a rectangular cross-section rib roller; 38-39, the surface bionic non-smooth unit is a schematic diagram of a rib roller with a regular triangle section; 40-41, the surface bionic non-smooth unit is a schematic view of a ribbed roller with a V-shaped cross section. The coupling type mainly comprises pit-convex hull coupling, pit-rib and convex hull-rib coupling, as shown in fig. 42-44, and the surface bionic non-smooth unit is a schematic diagram of a pit-convex hull coupling type roller; as shown in fig. 45-47, the surface bionic non-smooth unit is a schematic view of a pit-rib coupling type roller, and as shown in fig. 48-50, the surface bionic non-smooth unit is a schematic view of a convex hull-rib coupling type roller.

The surface area of the contact surface between the bionic non-smooth unit 62 and the surface of the roller is 10% -50% of the total surface area of the contact surface; the structural parameters of the bionic non-smooth unit 62 mainly include a diameter (width) a, a center distance b, a length l, a depth (height) c and an arrangement mode; the depth (height) c of the bionic non-smooth units 62 is generally 0.5-1 times of the diameter (width) a, the center distance b of two adjacent bionic non-smooth units is generally 1-3 times of the diameter (width) a, and the included angle θ between the centers of two adjacent rows of bionic non-smooth units on the arc surface and the center of the roller is generally 5-30 degrees; the length l of the rib bionic non-smooth unit is the width of the arc surface of the roller; the bionic non-smooth cells 62 are preferably arranged uniformly and in two adjacent rows staggered, and may be arranged radially, concentrically or in other suitable manners.

As shown in fig. 51, in this embodiment, the right nozzle 7 includes two right nozzle connecting sections 71 and a right nozzle body 72, the two right nozzle connecting sections 71 are axially arranged at the left and right ends of the right nozzle body 72 in a collinear manner, the two right nozzle connecting sections 71 are mutually communicated, and one ends of the two right nozzle connecting sections 71, which are far away from the right nozzle body 72, are respectively connected with two connectors (4) at the left and right ends of the right nozzle (7); the side surface of the right nozzle body 72 is provided with a plurality of right nozzle connecting holes, all the right nozzle connecting holes are communicated with the pipeline, and the nozzles 8 are arranged at the right nozzle connecting holes in a one-to-one correspondence manner and are communicated with the right nozzle connecting holes. The high-pressure jet ejected by the right nozzle 7 and the nozzle 8 can effectively clean the full section of the inner wall of the pipe 0 to be cleaned, and the cleaning effect is ensured.

Similarly, similarly to the left nozzle 1, considering the sealing performance between the plane and the plane better than the curved surface and the difficulty of processing, the right nozzle 7 is an N-sided prism (N is greater than or equal to 4), a plurality of nozzles 8 are symmetrically arranged on N side surfaces of the right nozzle 7, based on the effective cleaning of the full section of the inner wall of the pipe 0 to be cleaned, when n=4, each side is five nozzles 8 uniformly arranged in a quincuncial manner, when N is greater than 4, each side is three nozzles 8 uniformly arranged in a straight line manner, and as the number N of side surfaces of the right nozzle 7 increases, the number of arranging of each side bionic nozzle 8 can be properly reduced, in the drawings of the present application, n=4.

It should be noted that, in the present invention, the right nozzle 7 and the left nozzle 1 may be fixed spray nozzles, or rotary nozzles may be used to implement rotary spray cleaning of the inner wall of the pipe 0 to be cleaned under the action of the rotary high-pressure jet, and to push the whole device to move in the pipe 0 to be cleaned.

In particular, the number of the nozzles 8 arranged on the right nozzle 7 and the left nozzle 1 can be adjusted according to actual conditions, and the right nozzle connecting hole and the left nozzle connecting hole without the nozzles 8 can be sealed and blocked by connecting a screw matched with the right nozzle connecting hole and the left nozzle connecting hole, so that the cleaning liquid in the cleaning liquid tank is prevented from being lost.

As shown in fig. 52 and 53, in this embodiment, the nozzle 8 includes a nozzle inlet section 81, a nozzle outlet section 82, and a connection body 83, wherein the nozzle inlet section 81 and the nozzle outlet section 82 are connected by the connection body 83 and are mutually communicated, the nozzle inlet section 81 is connected with the corresponding left nozzle head 1 or right nozzle head 7, and the nozzle outlet section 82 is used for injecting a high-pressure jet and cleaning the inner wall of the pipe 0 to be cleaned. The high-pressure jet ejected by the nozzle 8 is combined with the corresponding right nozzle 7 or left nozzle 1, so that the inner wall of the pipe 0 to be cleaned can be cleaned by the high-pressure jet, a better cleaning effect is achieved, and meanwhile, the reverse thrust generated by the high-pressure jet ejected by the left nozzle 1 combined with the nozzle 8 in a leftward and oblique mode has the effect of driving the whole cleaning device to move. In this embodiment, the nozzles 8 are uniformly disposed on the right nozzle 7 or the left nozzle 1, so as to clean the inner wall of the pipe 0 to be cleaned comprehensively and effectively. In order to facilitate the mounting and dismounting of the nozzle 8, the connection body 83 is preferably provided as a hexagonal prism.

Preferably, the inner wall surfaces of the through holes of the pipe cleaner 2, the steel brush 3 and the joint 4 and the inner wall surface of the nozzle 8 are respectively provided with a plurality of annular grooves 84, and the arrangement direction of the annular grooves 84 is perpendicular to the inner wall surfaces of the through holes of the pipe cleaner 2, the steel brush 3 and the joint 4 and the inner wall surface of the nozzle 8. A plurality of annular grooves 84 which are arranged on the inner walls of the through holes of the pipe cleaner 2, the steel brush 3 and the joint 4 and the inner walls of the nozzle 8 at intervals and vertically, so that the inner wall surfaces of the through holes of the pipe cleaner 2, the steel brush 3 and the joint 4 and the inner wall surfaces of the nozzle 8 which are originally continuously smooth become discontinuous and non-smooth (rugged) to be in a bionic non-smooth form, thus, when the cleaning liquid flows in the pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8, reverse vortex can be formed in the annular grooves 84, and the reverse vortex causes 'liquid-liquid' contact between the cleaning liquid in the annular grooves 84 and the cleaning liquid outside the annular grooves 84, thereby forming 'vortex pad effect'; the swirling flow in the interior of the ring groove 84, which is reversed, creates additional power to the frictional resistance on the contact surface between the cleaning liquid outside the ring groove 84, which creates a "pushing effect" for the cleaning liquid outside the ring groove 84; the counter-rotating eddy currents in the ring grooves 84, like the "hydrodynamic bearings" mounted on the inner wall surfaces of the pig 2, the brush 3, the joint 4 and the nozzle 8, can effectively reduce frictional resistance loss between the cleaning liquid and their inner wall surfaces during their internal flow; the vortex reversed in the annular grooves 84 can change the motion state of the mixed solid particles in the cleaning liquid, which is beneficial to driving away the solid particles to be contacted with the inner wall surfaces of the pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8, namely, the driving-away effect is generated; meanwhile, due to the arrangement of the plurality of ring grooves 84, the continuous scraping of the solid phase particles mixed in the cleaning solution to the through hole inner wall surfaces of the pipe cleaner 2, the steel brush 3 and the joint 4 and the original smooth inner wall surface of the nozzle 8 becomes discontinuous, and when the solid phase particles mixed in the cleaning solution strike the uneven non-smooth surface, rebound effects are easily formed to change the movement track of the solid phase particles, so that the comprehensive effect is beneficial to improving the wear resistance of the through hole inner wall surfaces of the pipe cleaner 2, the steel brush 3 and the joint 4 and the inner wall surface of the nozzle 8, and the service life of the pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8 is prolonged.

In this embodiment, the surface areas of the contact surfaces of the ring grooves 84 and the inner wall surfaces of the corresponding pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8 respectively account for 10% -50% of the total surface areas of the inner wall surfaces of the corresponding pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8; the structural parameters of the ring groove 84 mainly comprise a ring groove width w, a ring groove depth D, a center distance D (or the number n of ring grooves) of adjacent ring grooves, and a setting mode of the ring grooves; the ring groove depth D is (0.2-1.5) w, the center distance D of adjacent ring grooves is (1-10) w, and the ring grooves 84 are arranged in two ways, namely, the arrangement direction of the ring grooves 84 is perpendicular to the inner wall surfaces of the pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8, the ring grooves 84 are preferably linearly and uniformly distributed on the inner wall surfaces of the pipe cleaner 2, the steel brush 3, the joint 4 and the nozzle 8, and the ring grooves 84 can be radially distributed, concentrically distributed or distributed in other suitable ways.

As shown in fig. 53, the convergent section of the nozzle 8 near the injection end is conical, and the annular groove 84 on the inner wall of the convergent section is perpendicular to the conical surface. In the present invention, the right nozzle 7 and the left nozzle 1 are detachably connected to the corresponding nozzles 8, and the type of the nozzles 8 is not limited to the one shown in the drawings, and other types of nozzles, such as cavitation jet nozzles, pulse jet nozzles, and the like, may be used instead of the nozzles 8 according to the present invention, and are not limited thereto.

The bionic non-smooth elements 62 and the ring grooves 84 according to the present invention may be realized by machining, chemical etching, laser machining, 3D printing, powder metallurgy, etc.

As shown in fig. 54, preferably, the nozzle 8 is provided with an elbow joint 85 for adjusting the spraying direction and the spraying angle, one end of the elbow joint 85 is connected with the left spray head 1 or the right spray head 7, the other end is connected with the nozzle inlet section 81, and the nozzle inlet section 81 is communicated with the corresponding left spray head 1 or right spray head 7 through the elbow joint 85. The spray direction and the spray angle of the high-pressure jet sprayed by the spray nozzle 8 can be adjusted within a certain range through the elbow joint 85, so that the whole cleaning device has a more flexible cleaning range in the cleaning process, the inner wall of the pipe 0 to be cleaned is ensured to have no cleaning dead angle, and the cleaning quality is ensured.

As shown in fig. 55, in this embodiment, the obstacle-removing drill 10 includes an obstacle-removing drill connecting section 101, an obstacle-removing drill base 102, and a plurality of obstacle-removing drill cutters 103, wherein the left end of the obstacle-removing drill connecting section 101 is connected to the joint 4 at the right end of the right nozzle 7, the right end is connected to the obstacle-removing drill base 102, and the plurality of obstacle-removing drill cutters 103 are uniformly disposed on the right end surface of the obstacle-removing drill base 102. By means of the obstacle clearing drill bit 10 it is possible to clear obstacles encountered by the entire cleaning device during its movement in the pipe tool 0 to be cleaned, in particular relatively hard obstacles, which can be pierced and cleaned by means of the obstacle clearing drill bit blade 103 provided on the right end face of the obstacle clearing drill bit base 102.

Of course, the obstacle-removing drill 10 is not limited to the above-mentioned one, and other types of drill having an obstacle-removing function including a jetting function and the like may be employed.

Preferably, the multi-process coupling type pipe inner wall bionic cleaning device further comprises a plugging joint 9, the plugging joint 9 is arranged between the right spray head 7 and the joint 4 close to the right end of the right spray head, one end of the plugging joint 9 is connected with the right spray head 7, and the other end of the plugging joint 9 is connected with the joint 4 close to the right end. The cleaning liquid in the pipeline can be prevented from flowing rightwards by arranging the plugging connector 9, the energy consumption and the loss of the cleaning liquid in the flowing process in the pipeline can be reduced as much as possible, the effective utilization rate of the cleaning liquid is improved, and when the obstacle clearance drill bit 10 is a jet type drill bit, the obstacle clearance of the obstacle clearance drill bit 10 and the obstacle clearance and jet combined type cleaning can be realized by selectively installing or detaching the plugging connector 9.

As shown in fig. 56, specifically, the plugging connector 9 includes a plugging connector first connecting section 91, a plugging connector second connecting section 92, and a plugging partition 93 disposed therebetween, the left end of the plugging connector first connecting section 91 is connected to the connector 4 located at the right end of the right shower head 7, and the right end of the plugging connector second connecting section 92 is connected to the obstacle clearing drill bit 10.

After the inner wall of the pipe tool is cleaned by using the cleaning device, the accumulated liquid which is remained in the pipe tool and is generated by the high-pressure jet flow by the nozzle can be sucked out by using the suction pump, and the cleaning device can be flexibly adjusted according to the actual condition of the site and can be divided into two conditions: (1) if the inner wall of the pipe tool is cleaned (no residual dirt) at this time, the obstacle removing drill bit, the steel brush and the pipe cleaner can be removed, only the rest part is left and the parts are connected again in sequence, the high-pressure pump is replaced by a high-pressure air pump or an air compressor, and air jet flows are generated by the right nozzle and the left nozzle at this time, so that the inner wall of the pipe tool can be dried in time to prevent the surface of the pipe tool from being oxidized and corroded again; (2) if the inner wall of the pipe is still not cleaned, the cleaning liquid can be used for cleaning again by taking the cleaning liquid as the working medium according to the situation of more dirt residues, and when the dirt residues are less, the high-pressure pump can be replaced by a high-pressure air pump or an air compressor, and the cleaning liquid can also play a role in cleaning the inner wall of the air drying pipe by taking the compressed air as the working medium.

The multi-process coupling type bionic cleaning device for the inner wall of the pipe tool integrates the advantages of high-pressure jet cleaning, pipe cleaner scraping, steel brush scraping, obstacle-removing drill bit obstacle-removing multi-process coupling type effective cleaning for the inner wall of the pipe tool to be cleaned, and has the advantages of high efficiency, environmental protection, low consumption, wide application range, strong flexibility and adaptability, no dead angle in all directions, capability of removing dirt which is difficult to clean by a conventional method and the like.

In actual operation, firstly, the water tank, the high-pressure pump, the high-pressure pipe and the cleaning device of the invention which are required by operation are connected, cleaning liquid required by cleaning is fully stored in the water tank, the outlets of the two ends of the pipe 0 to be cleaned are respectively provided with a dirt collecting tank (tank) for collecting sundries such as dirt liquid, the cleaning device of the invention is arranged at the initial end of the through hole in the pipe 0 to be cleaned, at the moment, the idler wheels 6 arranged at the left end and the right end of the middle of the cleaning device are arranged on the inner wall surface of the pipe 0 to be cleaned, and the invention is ensured to be wholly centered and to strictly forbidden to incline. Starting a high-pressure pump, and enabling the cleaning solution pumped by the high-pressure pump to flow through a pipeline formed by a high-pressure pipe, a left nozzle head 1, a pipe cleaner 2, a steel brush 3 and through holes in a joint 4 to reach a right nozzle head 7, wherein the cleaning solution can not flow rightwards any more due to the limitation of an obstacle clearing drill bit 10 (the plugging joint 9 is arranged after the plugging joint 9 is arranged), a plurality of high-pressure jet flows with relatively concentrated energy are formed by jetting the cleaning solution at a high speed from a nozzle 8 arranged on the right nozzle head 7, and if the flow rate of the cleaning solution provided by the high-pressure pump is large enough, the cleaning solution at the moment can not be completely jetted from the right nozzle head 7, but can be accumulated in the pipeline, and a plurality of high-pressure jet flows with relatively concentrated energy are formed by jetting the cleaning solution from the nozzle 8 arranged on the left nozzle head 1. Because the high-pressure jet spray angle and the jet spray direction are different, the high-pressure jet spray sprayed by the right spray nozzle 7 is mainly used for cleaning the inner wall of the pipe with a full section, so the jet spray direction of the high-pressure jet spray is directed at the inner wall surface of the pipe, and the jet spray angle is controlled within the range of 40-90 degrees; the high-pressure jet ejected from the left nozzle 1 is mainly used for providing the propelling force for rightward movement of the invention, and has the function of cleaning the inner wall of the pipe, so that the ejection direction of the high-pressure jet is directed in the direction opposite to the advancing direction of the cleaning device, and the ejection angle is controlled within the range of 10-30 degrees.

Because each part in the invention is an independent part, the provided connection scheme is not unique, and the connection sequence, the number and the like of each part can be flexibly adjusted according to actual conditions, so that the invention is better suitable for the actual conditions of the pipe to be cleaned and the optimal cleaning effect is exerted.

In the invention, the cleaning liquid is clean water or other environment-friendly cleaning agents meeting the requirements.

The multi-process coupling type bionic cleaning device for the inner wall of the pipe tool can be used together with a waterproof high-definition camera, a strong light source and the like, and the condition that the high-definition camera shoots the inside of the pipe tool can be returned to a computer or a monitor and the like in real time in a wired or wireless transmission mode for a technician to make a decision, so that the accurate grasp of the internal condition of the pipe tool is realized, the effect of cleaning, repairing and the like of the inner wall of the pipe tool is better ensured.

step 2: placing the cleaning device from one end of the pipe tool 0 to be cleaned and ensuring that the end provided with the obstacle clearance drill 10 faces the other end of the pipe tool 0 to be cleaned;

Step 3: the external high-pressure pipe is connected and the inner wall of the pipe tool 0 to be cleaned is cleaned, specifically: after the cleaning liquid enters the pipeline from the external high-pressure pipe 0, high-pressure jet flows are respectively formed at the nozzles 8 on the left nozzle 1 and the right nozzle 7 and are sprayed to the inner wall of the pipe 0 to be cleaned, the inner wall of the pipe 0 to be cleaned is cleaned, meanwhile, the reverse thrust generated by the high-pressure jet flows sprayed from the nozzles 8 on the left nozzle 1 drives the cleaning device to move in the pipe 0 to be cleaned, synchronously, the pipe cleaner 2 scrapes the inner wall of the pipe 0 to be cleaned, the steel brush 3 scrapes the inner wall of the pipe 0 to be cleaned, and the obstacle removing drill 10 clears the inner wall of the pipe 0 to be cleaned;

step 4: repeating the step 2 and the step 3, and cleaning the inner wall of the pipe 0 to be cleaned for a plurality of times.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

1. A multi-process coupling type pipe inner wall bionic cleaning device is characterized in that: the cleaning device comprises a left nozzle (1), a pipe cleaner (2), a steel brush (3), a joint (4), a right nozzle (7), another joint (4) and a barrier removing drill bit (10) which are sequentially connected in an axial collinear manner, wherein a plurality of supporting legs (5) are arranged on the outer side wall of each joint (4) in a spacing ring manner, one end, far away from the joint (4), of each supporting leg (5) is provided with a roller (6), and the rollers (6) are just in contact with the inner wall of a pipe tool (0) to be cleaned;

the cleaning device comprises a left spray head (1), a pipe cleaner (2), a steel brush (3), a joint (4) and a right spray head (7), wherein through holes are formed in the centers of the left spray head (1) and the right spray head (7) in sequence, a plurality of nozzles (8) are formed in the left spray head (1) and the right spray head (7), the nozzles (8) are respectively communicated with the corresponding left spray head (1) or the right spray head (7), the nozzles (8) on the left spray head (1) are obliquely arranged towards the left, the left end of the left spray head (1) is communicated with an external high-pressure pipe communicated with cleaning liquid, the cleaning liquid is sprayed out of the nozzles (8) on the left spray head (1) and the right spray head (7) respectively after entering the pipeline from the external high-pressure pipe, high-pressure jet flows are formed, meanwhile, the inner wall of a pipe cleaner (0) is cleaned, and the reverse thrust generated by the high-pressure jet flows of the nozzles (8) on the left spray head (1) drive the whole cleaning device to move in the pipe cleaner (0), and the cleaning device (2) and the drill bit (10) are adhered to the inner wall of the pipe cleaner (10);

The pipe cleaner (2) comprises two pipe cleaner connecting sections (21) and a cylindrical pipe cleaner body (22), wherein the two pipe cleaner connecting sections (21) are axially arranged at the left end and the right end of the pipe cleaner body (22) in a collinear manner, the two pipe cleaner connecting sections (21) are mutually communicated, one end, far away from the pipe cleaner body (22), of the two pipe cleaner connecting sections (21) is respectively connected with the left spray head (1) and the steel brush (3), and bionic non-smooth units (62) are respectively arranged on the side surface and the left end face and the right end face of the pipe cleaner body (22);

the bionic non-smooth units (62) are one or more of pits, convex hulls and ribs, the bionic non-smooth units (62) are arranged on the side surface, the left end surface and the right end surface of the pipe cleaner body (22) and the surface of the roller (6) at intervals, the bionic non-smooth units (62) are arranged in a plurality of rows, and the bionic non-smooth units (62) in two adjacent rows are arranged in a staggered manner;

the pipe cleaner is characterized in that a plurality of annular grooves (84) are formed in the inner wall surface of the through hole of the pipe cleaner (2), the inner wall surface of the steel brush (3) and the inner wall surface of the joint (4) and the inner wall surface of the nozzle (8) at intervals, and the annular grooves (84) are vertically formed in the corresponding inner wall surfaces of the pipe cleaner (2), the inner wall surface of the steel brush (3), the inner wall surface of the joint (4) and the inner wall surface of the nozzle (8).

2. The multi-process coupled pipe inner wall bionic cleaning device according to claim 1, wherein: the left spray head (1) comprises a left spray head inlet section (11), a left spray head body (12) and a left spray head outlet section (13) which are sequentially connected, wherein the left spray head inlet section (11) and the left spray head outlet section (13) are respectively axially and collinearly arranged at the left end and the right end of the left spray head body (12), and the left spray head inlet section (11) is communicated with the left spray head outlet section (13);

the left end of the left nozzle inlet section (11) is communicated with an external high-pressure pipe, and the right end of the left nozzle outlet section (13) is communicated with the left end of the pipe cleaner (2);

the left nozzle body (12) is provided with a plurality of left nozzle connecting holes in a left oblique direction on the left end face, all the left nozzle connecting holes are communicated with the pipeline, and the nozzles (8) are arranged at the left nozzle connecting holes in a one-to-one correspondence manner and are communicated with the left nozzle connecting holes.

3. The multi-process coupled pipe inner wall bionic cleaning device according to claim 1, wherein: the steel brush (3) comprises two steel brush connecting sections (31) and a cylindrical steel brush body (32), wherein the two steel brush connecting sections (31) are axially arranged at the left end and the right end of the steel brush body (32) in a collinear mode, the two steel brush connecting sections (31) are mutually communicated, the two steel brush connecting sections (31) are far away from one end of the steel brush body (32) and are respectively connected with the pipe cleaner (2) and the joint (4) at the left end of the right spray head (7), and bristles are respectively arranged on the side surface and the left end face and the right end face of the steel brush body (32).

4. The multi-process coupled pipe inner wall bionic cleaning device according to claim 1, wherein: the right spray head (7) comprises two right spray head connecting sections (71) and a right spray head body (72), the two right spray head connecting sections (71) are axially arranged at the left end and the right end of the right spray head body (72) in a collinear manner, the two right spray head connecting sections (71) are mutually communicated, and one end, far away from the right spray head body (72), of the two right spray head connecting sections (71) is correspondingly connected with two connectors (4) positioned at the left end and the right end of the right spray head (7); the side surface of the right nozzle body (72) is provided with a plurality of right nozzle connecting holes, all the right nozzle connecting holes are communicated with the pipeline, and the nozzles (8) are arranged at the right nozzle connecting holes in a one-to-one correspondence manner and are communicated with the right nozzle connecting holes.

5. The multi-process coupled pipe inner wall bionic cleaning device according to claim 1, wherein: the spray nozzle is characterized in that an elbow joint (85) used for adjusting the spray direction and the spray angle of the spray nozzle is arranged on the spray nozzle (8), one end of the elbow joint (85) is connected with the left spray nozzle (1) or the right spray nozzle (7), the other end of the elbow joint is connected with the spray nozzle inlet section (81), and the spray nozzle inlet section (81) is communicated with the corresponding left spray nozzle (1) or right spray nozzle (7) through the elbow joint (85).

6. The multi-process coupled pipe inner wall bionic cleaning device according to any one of claims 1 to 5, wherein: the device is characterized by further comprising a plugging joint (9), wherein the plugging joint (9) is arranged between the right spray head (7) and the joint (4) close to the right end of the right spray head, one end of the plugging joint (9) is connected with the right spray head (7), and the other end of the plugging joint is connected with the joint (4) close to the right end of the plugging joint.

7. A cleaning method of a multi-process coupled pipe inner wall bionic cleaning apparatus according to any one of claims 1 to 6, comprising the steps of:

step 2: placing the cleaning device from one end of the pipe tool (0) to be cleaned and ensuring that the end provided with the obstacle clearance drill bit (10) faces the other end of the pipe tool (0) to be cleaned;

step 3: the external high-pressure pipe is connected and the inner wall of the pipe tool (0) to be cleaned is cleaned, specifically: after the cleaning liquid enters the pipeline from an external high-pressure pipe, high-pressure jet flows are respectively formed at the nozzles (8) on the left nozzle (1) and the right nozzle (7) and are sprayed to the inner wall of the pipe tool (0) to be cleaned, the inner wall of the pipe tool (0) to be cleaned is cleaned, meanwhile, the cleaning device is driven to move in the pipe tool (0) to be cleaned by the reverse thrust generated by the high-pressure jet flows sprayed from the nozzles (8) on the left nozzle (1), synchronously, the pipe cleaner (2) scrapes the inner wall of the pipe tool (0) to be cleaned, the steel brush (3) scrapes the inner wall of the pipe tool (0) to be cleaned, and the obstacle removing drill (10) performs obstacle removing in the pipe tool (0) to be cleaned;

Step 4: repeating the step 2 and the step 3, and cleaning the inner wall of the pipe (0) to be cleaned for a plurality of times.