CN110883027A - Cleaning device for inner wall of water supply pipeline and construction method thereof - Google Patents
Cleaning device for inner wall of water supply pipeline and construction method thereof Download PDFInfo
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- CN110883027A CN110883027A CN201911297672.2A CN201911297672A CN110883027A CN 110883027 A CN110883027 A CN 110883027A CN 201911297672 A CN201911297672 A CN 201911297672A CN 110883027 A CN110883027 A CN 110883027A
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- wall
- pipeline
- water supply
- tooth
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
Abstract
The invention relates to a cleaning device for the inner wall of a water supply pipeline and a construction method thereof, wherein the device comprises: for planing off a mortar lining attached to the inner wall of a pipeline, the cleaning device comprising: a cylinder having a diameter less than the inner diameter of the pipe; the device comprises a plurality of tooth blades arranged along the circumference, wherein one ends of the tooth blades are detachably fixed on the outer wall of a cylinder, and the other ends of the tooth blades protrude out of the outer wall of the cylinder and obliquely abut against the inner wall of a pipeline; the pair of pull rings which are connected with the cable and are arranged at the end part of the cylinder body in a reverse direction drag the cylinder body to move in one direction in the pipeline through the cable, so that the other end of the tooth blade is driven to remove the mortar lining. Through setting up a plurality of tooth blades along the circumference to can cover whole pipeline inner wall after dragging, avoid having the scraping and planing blind area. Adopt a plurality of tooth blades, the mortar inside lining only gives the tooth blade application of force that corresponds, does not influence other tooth blades, also conveniently changes the tooth blade of damage.
Description
Technical Field
The invention relates to the field of building construction, in particular to a cleaning device for the inner wall of a water supply pipeline and a construction method thereof.
Background
Under the influence of factors such as water quality and pipeline materials, a water supply pipeline is easy to corrode, damage, scale and oxidize, so that the strength and rigidity of the pipeline are reduced, the overflowing section of the pipeline is reduced, the resistance of the pipeline is increased, and the water delivery performance and the water delivery quality of a water supply system are not facilitated.
Because urban water supply pipelines are mostly positioned under urban roads with busy traffic, damaged pipelines are generally repaired by an in-pipeline spraying repair technology so as to form an inner film layer with certain structural strength and certain thickness on the inner wall of the damaged pipelines.
Because the coating can not be adhered to cement mortar and can only be firmly combined with metal, the original cement mortar lining on the inner wall of the pipeline needs to be removed by adopting the in-pipeline spraying repair technology.
The inner wall of the pipeline is generally flushed by high-pressure water in the prior art, but the inner wall of the pipeline cannot be fully exposed by cement mortar due to unclean flushing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a cleaning device for the inner wall of a water supply pipeline, and solves the problem that the inner wall of the pipeline is washed by high-pressure water, but cement mortar cannot be used for washing the inner wall of the pipeline completely and the metal of the pipeline cannot be exposed.
The technical scheme for realizing the purpose is as follows:
the invention provides a cleaning device for the inner wall of a water supply pipeline, which is used for removing a mortar lining attached to the inner wall of the pipeline, and comprises:
a cylinder having a diameter less than the inner diameter of the pipe;
the device comprises a cylindrical body, a plurality of tooth blades and a plurality of clamping pieces, wherein the tooth blades are arranged along the circumference, one ends of the tooth blades are detachably fixed on the outer wall of the cylindrical body, and the other ends of the tooth blades protrude out of the outer wall of the cylindrical body and are obliquely pressed against the inner wall of the pipeline; and
the mortar lining removing device comprises a cylinder, a pair of pull rings, a cable and a toothed blade, wherein the pull rings are connected with the cable and arranged at the end part of the cylinder in a reverse direction, and the cylinder is dragged to move in a one-way mode in a pipeline through the cable, so that the other end of the toothed blade is driven to remove the mortar lining.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the other end of the toothed blade is formed with at least one groove.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the tooth blades are arrayed on the outer wall of the cylinder.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the tooth blades on different circumferences are arranged in a staggered mode, and the outer edges of all the tooth blades in the cross section direction of the cylinder body are enclosed to form a closed circle.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the toothed blade is made of spring steel, and the diameter of a closed circle surrounded by the outer edge of the toothed blade is 1cm-2cm larger than the inner diameter of the pipeline.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the tooth blade is arranged along the length direction of the cylinder and is sequentially and partially overlapped along the same arc direction.
A further improvement of the cleaning device for the inner wall of a water supply pipeline of the present invention is that,
the bracket is fixed at the end part of the column body;
the sleeve is fixed on the bracket and corresponds to the circle center of the end part of the column body;
the fixed cylinder is inserted in the sleeve, and the opposite two ends of the fixed cylinder are hinged with the pull rings.
The invention also provides a construction method of the cleaning device for the inner wall of the water supply pipeline, which is used for removing the mortar lining attached to the inner wall of the pipeline, and the construction method comprises the following steps:
washing the inner wall of the pipeline by high-pressure water to break off part of the mortar lining;
providing a pair of cables, and connecting the pair of cables with a pair of pull rings corresponding to the cleaning device;
the cleaning device is arranged at one end in a pipeline, the other end of the pipeline drags the corresponding cable to drag the column to move towards the other end of the pipeline, and the other end of the tooth blade is driven to remove the mortar lining;
and dragging the column to move in the pipeline in a one-way mode until the mortar lining is planed completely.
The construction method of the cleaning device for the inner wall of the water supply pipeline is further improved in that the inner wall of the pipeline is washed by high-pressure water after being planed by the cleaning device.
The construction method of the cleaning device for the inner wall of the water supply pipeline is further improved in that a winch is provided, the winch is connected with the cable, and the cable is collected through the winch to move the cleaning device.
The cleaning device for the inner wall of the water supply pipeline and the construction method thereof have the beneficial effects that:
the invention can be used by matching with high-pressure water for washing the inner wall of the pipeline, a large amount of mortar linings remain on the inner wall of the pipeline after the inner wall of the pipeline is washed by the high-pressure water, and at the moment, the column body is placed in the pipeline to move in a single direction to drive the other end of the tooth blade to abut against the inner wall of the pipeline so as to scrape and plane the mortar linings attached to the inner wall of the pipeline, so that the inner wall of the pipeline is cleaned, the original metal matrix surface layer of the pipeline is exposed, and the subsequent spraying repair. Through setting up a plurality of tooth blades along the circumference to can cover whole pipeline inner wall after dragging, avoid having the scraping and planing blind area. Adopt a plurality of tooth blades, the mortar inside lining only gives the tooth blade application of force that corresponds, does not influence other tooth blades, also conveniently changes the tooth blade of damage.
Drawings
FIG. 1 is a schematic view showing the construction of a cleaning apparatus for an inner wall of a water supply pipeline according to the present invention.
FIG. 2 is a plan view of the cleaning apparatus for an inner wall of a water supply pipeline according to the present invention.
FIG. 3 is a plan view of a tooth blade of the cleaning device for an inner wall of a water supply pipeline of the present invention.
FIG. 4 is a front view of a tooth blade of the cleaning device for an inner wall of a water supply pipeline of the present invention.
FIG. 5 is a left side view of the tooth blade of the cleaning device for the inner wall of a water supply pipeline of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, there is shown a schematic structural view of a cleaning apparatus for an inner wall of a water supply pipeline according to the present invention. FIG. 2 is a plan view of the cleaning apparatus for an inner wall of a water supply pipeline according to the present invention. Referring to fig. 1 and 2, the cleaning apparatus for an inner wall of a water supply pipeline according to the present invention is for removing a mortar lining attached to an inner wall of a pipeline, and includes:
a cylinder 10 having a diameter smaller than the inner diameter of the pipe;
a plurality of tooth blades 20 arranged along the circumference, wherein one end of each tooth blade 20 is detachably fixed on the outer wall of the column body 10, and the other end of each tooth blade 20 protrudes out of the outer wall of the column body 10 and obliquely abuts against the inner wall of the pipeline; and
a pair of pull rings 30, which are connected to the cable and are disposed at the end of the cylinder 10 and are oppositely disposed, pull the cylinder 10 to move in one direction in the pipeline through the cable, so as to drive the other end of the tooth blade 20 to remove the mortar lining.
The invention can be used by matching with high-pressure water for washing the inner wall of the pipeline, a large amount of mortar linings remain on the inner wall of the pipeline after the inner wall of the pipeline is washed by the high-pressure water, and at the moment, the cylinder is placed in the pipeline to move in a single direction to drive the other end of the toothed blade to scrape and plane the linings attached to the inner wall of the pipeline, so that the inner wall of the pipeline is cleaned, the original metal matrix surface layer of the pipeline is exposed, and the subsequent spraying repair construction of the pipeline is facilitated.
Combine fig. 1 and fig. 2 to show, set up a plurality of serrated blades 20 along the circumference, the other end of serrated blade 20 encloses into circularly, places this device in the pipeline after, the other end of serrated blade 20 can support by in pipeline inner wall to drag this device in the pipeline after can covering whole pipeline inner wall, avoid having the scraping and planning blind area.
Through adopting a plurality of tooth blades, the mortar inside lining only gives the tooth blade application of force that corresponds, does not influence other tooth blades, the problem of whole blade of easy wearing and tearing when avoiding adopting whole blade. In addition, the tooth blade and the main body can be detached and fixed, and the damaged tooth blade is convenient to replace.
As a preferred embodiment of the cleaning device for the inner wall of the water supply pipeline, a top view of the toothed blade of the cleaning device for the inner wall of the water supply pipeline is shown in FIG. 3. FIG. 4 is a front view of a tooth blade of the cleaning device for an inner wall of a water supply pipeline of the present invention. FIG. 5 is a left side view of the tooth blade of the cleaning device for the inner wall of a water supply pipeline of the present invention. As shown in fig. 1 to 5, the other end of the tooth blade 20 is formed with at least one groove. In this embodiment, the groove is an arc-shaped groove. The shape of the groove is not limited thereto. The other end of the toothed blade 20 is grooved to reduce the stressed contact area of the toothed blade 20 and increase the cutting stress.
One end of the toothed blade 20 is fixed to the cylinder by a bolt 21 and a nut. The tooth blade 20 has high strength, certain elasticity and toughness, so that the tooth blade cannot be bent and deformed to lose cutting capability due to frictional resistance when cutting the inner wall of the metal pipeline.
In this embodiment, the tooth blade 20 is bent into three parts, one end of the tooth blade 20, a middle section and the other end of the tooth blade 20, wherein one end of the tooth blade 20 is fixed by a bolt 21, one end and the middle section of the tooth blade 20 are perpendicular to each other, and the other end and the middle section of the tooth blade 20 are obliquely arranged to form a moving angle with the inner wall of the pipe to facilitate peeling.
As a preferred embodiment of the cleaning apparatus for the inner wall of the water supply pipeline according to the present invention, a plurality of tooth blades 20 are arrayed on the outer wall of the cylinder 10.
The toothed blades 20 on different circumferences are arranged in a staggered manner, and the outer edges of all the toothed blades in the cross-sectional direction of the cylinder 10 form a closed circle.
In the embodiment, the toothed blade is made of spring steel, and the diameter of the closed circle surrounded by the outer edge of the toothed blade is 1cm-2cm larger than the inner diameter of the pipeline. Utilize the elasticity of spring steel to fill in the pipeline with the tooth blade from the pipeline mouth, the tooth blade can tightly sticis and locates the pipeline inner wall to guarantee the planing effect.
The toothed blades 20 are arranged along the length of the cylinder 10 and are sequentially partially overlapped along the same arc direction.
In the present embodiment, the outer edges of all the tooth blades in the cross-sectional direction of the cylinder 10 enclose a closed circle, and the rows of tooth blades 20 are superposed to form a closed ring segment. The other end of serrated blade 20 encloses synthetic circular promptly, places this device back in the pipeline, and the other end of serrated blade 20 can support and lean on in pipeline inner wall to drag this device in the pipeline after can covering whole pipeline inner wall, avoid having the scraping and planing blind area.
The tooth blades 20 on different circumferences are staggered, so that although gaps exist between the tooth blades 20 on the same row, the corresponding gaps are just filled by the tooth blades 20 on the other adjacent row, the scraping and peeling dead zone is avoided, and the pipeline can be scraped and peeled by the tooth blades 20 at any position. In the present embodiment, the pitch is half the width of the toothed blade 20.
As a preferred embodiment of the cleaning apparatus for the inner wall of the water supply pipeline of the present invention, the present invention further comprises a bracket 40 fixed to the end of the column body 10; a sleeve 41 fixed to the bracket 40 and corresponding to the center of the end of the column 10; and a fixed cylinder 42 inserted in the sleeve 41, wherein opposite ends of the fixed cylinder 42 are hinged with pull rings 30.
In this embodiment, the column 10 is a steel cylinder with a length of 310 mm, an outer diameter of 170 mm and a thickness of 5 mm. Four ribs as a support 40 are welded to one end of the column body 10, and the four ribs are welded to the sleeve 41. A fixed cylinder 42 of the headband pull ring 30 is inserted into the sleeve 41. The two pull rings 30 can be connected with a steel wire cable, and the winch pulls the steel wire rope to drive the device to make the device perform one-way dragging motion in a linear direction in the pipeline. The two pull rings 30 can also rotate freely, and the torsion force generated by the steel wire rope is released through the free rotation, so that the torsion force is prevented from acting on the cylinder body and the tooth blade, and the tooth blade and the internal structure of the pipeline are effectively protected.
Five rows of toothed cutters are arranged on the surface of the main body cylinder, and each row consists of five toothed cutters, so that the total number of the toothed cutters is 25. The tooth blades are symmetrically distributed in the circumference, and the corresponding tooth blades of the ring formed by the tooth blades of the next layer and the ring formed by the tooth blades of the previous layer are staggered by the width of half tooth blades. The blade distribution can ensure that the tooth blade can contact all surfaces in the circumferential range of the inner wall of the pipeline in 360 degrees without dead angles, thereby thoroughly cleaning the cement mortar lining or the rust layer on the inner wall of the pipeline. All the toothed blades are mechanically connected with the column body 10 by bolts and nuts, so that the damaged toothed blades can be conveniently detached and replaced.
The invention also provides a construction method of the cleaning device for the inner wall of the water supply pipeline, which is used for removing the mortar lining attached to the inner wall of the pipeline and comprises the following steps:
washing the inner wall of the pipeline by high-pressure water to break off part of the mortar lining;
providing a pair of cables connecting the pair of cables to a corresponding pair of pull rings 30 of the cleaning device;
arranging the cleaning device at one end in the pipeline, dragging a corresponding cable at the other end of the pipeline to drag the cylinder 10 to move towards the other end of the pipeline, and driving the other end of the tooth blade to remove the mortar lining;
take out cleaning device from the pipeline and remove the one end of pipeline, locate the one end in the pipeline with cleaning device once more, pull corresponding hawser in the other end of pipeline and remove to the other end of pipeline in order to pull cylinder 10, drive the other end of serrated blade and dig out the mortar inside lining, so pull cylinder 10 unidirectional movement in the pipeline until dig out the mortar inside lining totally.
By pulling the cylinder 10 in a single direction within the pipe, the planing effect is enhanced.
Furthermore, the inside of the pipeline is washed by high-pressure water after the device is used for carrying out the planing treatment, so as to thoroughly wash the planed sundries.
The invention also comprises a winch, wherein the winch is connected with the cable, and the cable is retracted through the winch to realize the movement of the cleaning device.
The cleaning device for the inner wall of the water supply pipeline and the construction method thereof have the beneficial effects that:
the invention can be used by matching with high-pressure water for washing the inner wall of the pipeline, a large amount of mortar linings remain on the inner wall of the pipeline after the inner wall of the pipeline is washed by the high-pressure water, and at the moment, the column body is placed in the pipeline to move in a single direction to drive the other end of the tooth blade to abut against the inner wall of the pipeline so as to scrape and plane the mortar linings attached to the inner wall of the pipeline, so that the inner wall of the pipeline is cleaned, the original metal matrix surface layer of the pipeline is exposed, and the subsequent spraying repair. Through setting up a plurality of tooth blades along the circumference to can cover whole pipeline inner wall after dragging, avoid having the scraping and planing blind area. Adopt a plurality of tooth blades, the mortar inside lining only gives the tooth blade application of force that corresponds, does not influence other tooth blades, also conveniently changes the tooth blade of damage.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A cleaning device for an inner wall of a water supply pipe for removing a mortar lining attached to the inner wall of the pipe, the cleaning device comprising:
a cylinder having a diameter less than the inner diameter of the pipe;
the device comprises a cylindrical body, a plurality of tooth blades and a plurality of clamping pieces, wherein the tooth blades are arranged along the circumference, one ends of the tooth blades are detachably fixed on the outer wall of the cylindrical body, and the other ends of the tooth blades protrude out of the outer wall of the cylindrical body and are obliquely pressed against the inner wall of the pipeline; and
the mortar lining removing device comprises a cylinder, a pair of pull rings, a cable and a toothed blade, wherein the pull rings are connected with the cable and arranged at the end part of the cylinder in a reverse direction, and the cylinder is dragged to move in a one-way mode in a pipeline through the cable, so that the other end of the toothed blade is driven to remove the mortar lining.
2. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 1, wherein the other end of the toothed blade is formed with at least one groove.
3. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 1,
the tooth blades are arrayed on the outer wall of the cylinder.
4. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 3,
the tooth blades on different circumferences are arranged in a staggered mode, and the outer edges of all the tooth blades in the cross section direction of the cylinder body are enclosed to form a closed circle.
5. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 4,
the toothed blade is made of spring steel, and the diameter of a closed circle surrounded by the outer edge of the toothed blade is 1cm-2cm larger than the inner diameter of the pipeline.
6. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 3,
the tooth blade is arranged along the length direction of the cylinder and is sequentially and partially overlapped along the same arc direction.
7. The cleaning apparatus for an inner wall of a water supply pipeline according to claim 1,
the bracket is fixed at the end part of the column body;
the sleeve is fixed on the bracket and corresponds to the circle center of the end part of the column body;
the fixed cylinder is inserted in the sleeve, and the opposite two ends of the fixed cylinder are hinged with the pull rings.
8. A construction method for removing a mortar lining adhered to an inner wall of a water supply pipeline using the cleaning apparatus for removing an inner wall of a water supply pipeline according to claim 1, comprising the steps of:
washing the inner wall of the pipeline by high-pressure water to break off part of the mortar lining;
providing a pair of cables, and connecting the pair of cables with a pair of pull rings corresponding to the cleaning device;
the cleaning device is arranged at one end in a pipeline, the other end of the pipeline drags the corresponding cable to drag the column to move towards the other end of the pipeline, and the other end of the tooth blade is driven to remove the mortar lining;
and dragging the column to move in the pipeline in a one-way mode until the mortar lining is planed completely.
9. The method of constructing a cleaning apparatus for an inner wall of a water supply pipeline according to claim 8, further comprising flushing the inner wall of the pipeline with high-pressure water after planing off with the cleaning apparatus.
10. The method of claim 8, further comprising providing a hoist, connecting the hoist to the cable, and moving the cleaning device by retracting the cable with the hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911297672.2A CN110883027A (en) | 2019-12-17 | 2019-12-17 | Cleaning device for inner wall of water supply pipeline and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911297672.2A CN110883027A (en) | 2019-12-17 | 2019-12-17 | Cleaning device for inner wall of water supply pipeline and construction method thereof |
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| CN110883027A true CN110883027A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911297672.2A Pending CN110883027A (en) | 2019-12-17 | 2019-12-17 | Cleaning device for inner wall of water supply pipeline and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893347A (en) * | 2021-01-19 | 2021-06-04 | 钱伟 | Be used for petroleum pipeline inner wall to wash washing unit |
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Application publication date: 20200317 |