CN107489852B - Spiral winding non-excavation repairing axial braided tube device - Google Patents
Spiral winding non-excavation repairing axial braided tube device Download PDFInfo
- Publication number
- CN107489852B CN107489852B CN201710690443.1A CN201710690443A CN107489852B CN 107489852 B CN107489852 B CN 107489852B CN 201710690443 A CN201710690443 A CN 201710690443A CN 107489852 B CN107489852 B CN 107489852B
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- Prior art keywords
- frame
- crimping
- limiting
- pipeline
- braided
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- 238000004804 winding Methods 0.000 title claims abstract description 20
- 238000009412 basement excavation Methods 0.000 title claims abstract description 14
- 238000002788 crimping Methods 0.000 claims abstract description 63
- 238000009954 braiding Methods 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000008439 repair process Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 238000009960 carding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1655—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section a pipe being formed inside the old pipe by winding strip-material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/60—Stopping leaks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a spiral winding non-excavation repairing axial pipe braiding device which comprises a frame, a driving mechanism, a limiting assembly, a positioning assembly and a crimping assembly, wherein the frame can walk on a cylindrical walking frame along the annular outline of the walking frame, the driving mechanism is arranged on the frame and can drive the frame to move along the walking frame, the crimping assembly is arranged on the frame and can crimp strip-shaped sectional materials on a braided pipeline from the axial direction of the braided pipeline, and the limiting assembly, the positioning assembly and the positioning assembly are arranged on the frame to jointly position the frame, the braided pipeline and the walking frame. The invention adopts a tube braiding mode that the braided tube is fixed and the tube braiding device walks, the whole volume of the tube braiding device is small, larger torque is not needed to move the braided tube, the power requirement is small, and the in-situ non-excavation repair in the interior of the tube to be repaired can be easily realized.
Description
Technical Field
The invention relates to the technical field of pipeline construction, in particular to a spiral winding non-excavation repairing axial pipe braiding device.
Background
The normal functions of the pipeline can be seriously affected by the conditions of cracking, leakage, corrosion and the like of the underground pipeline in the using process, and the traditional maintenance mode is to excavate the ground and replace or repair the pipeline. However, this construction method has a great influence on traffic, environment and socioeconomic performance, especially in a busy urban area, and in addition, the excavation construction may cause damage to the above-ground and underground structures around the pipeline. At this time, the spiral winding non-excavation repair technology is adopted, so that the influence on traffic, environment and socioeconomic is small because the ground does not need to be excavated.
The spiral winding pipe making technology is to wind and mold strip-shaped sections 300 such as PVC, PE or PP into a pipe through a spiral winding machine, and then to place the pipe formed by winding inside the pipe to be repaired so as to repair the damaged part of the original pipe. The spiral winding pipe manufacturing technology has the advantages of high strength, field winding pipe manufacturing capability, convenient transportation and the like, has been rapidly developed since the 21 st century, and has been applied to the field of drainage pipelines in good markets. The spiral winding machine can be placed in a factory or a construction site during pipe making, but because the whole equipment is large in size, the non-excavation in-situ winding repair can not be carried out by entering an original pipeline through an inspection well, and the long-distance pipeline braiding can be carried out only by needing large torque in the pipeline braiding elongation process, so that the power requirement on the equipment is high.
Therefore, it is necessary to provide a new spiral wound trenchless rehabilitation axial braiding device to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide a spiral winding non-excavation repairing axial pipe braiding device which is flexible in structure and small in power requirement.
In order to achieve the above object, the spiral wound trenchless rehabilitation axial braiding device provided by the present invention comprises:
the frame can walk on a tubular walking frame along the annular outline of the walking frame;
the driving mechanism is arranged on the frame and can drive the frame to move along the walking frame;
the limiting assembly comprises a first limiting shaft, a second limiting shaft, a first limiting block and a second limiting block, wherein the first limiting shaft and the second limiting shaft are both arranged on the frame, the first limiting block is arranged on the first limiting shaft, the second limiting block is arranged on the second limiting shaft, the first limiting block can be in contact with the outer surface of the woven pipeline, the second limiting block can be in contact with the inner surface of the woven pipeline, and the first limiting block and the second limiting block clamp the woven pipeline together;
the positioning assembly is arranged on the stand, the walking frame passes through the second limiting shaft and the positioning assembly, a strip-shaped limiting part extending along the walking direction of the stand is arranged on the walking frame, and the positioning assembly comprises a positioning part which is matched with the limiting part and can move along the limiting part; and
the crimping assembly is arranged on the frame and can crimp strip-shaped sectional materials on the weaving pipeline from the axial direction of the weaving pipeline.
Preferably, the crimping assembly comprises a telescopic cylinder arranged on the frame and a crimping roller arranged at the free end of the telescopic cylinder, and the crimping roller can rotate around the radial direction of the braided pipeline.
Preferably, a pressure sensor is arranged on the crimping roller.
Preferably, the crimping subassembly include install in crimping motor and guide rail mount pad in the frame, with crimping motor's output shaft's lead screw, cover locate crimping piece and one end fixed mounting in guide rail on the guide rail mount pad, crimping piece with the guide rail is connected, so that crimping piece can be in under the drive of lead screw along the guide rail slides.
Preferably, the number of the first limiting blocks is multiple and each of the first limiting blocks can move along the axial direction of the first limiting shaft, and the number of the second limiting blocks is multiple and each of the second limiting blocks can move along the axial direction of the second limiting shaft.
Preferably, the driving mechanism comprises a walking motor arranged on the frame and a chain wheel fixedly connected to an output shaft of the walking motor, and a chain matched with the chain wheel is arranged on the walking frame.
Preferably, the spiral winding trenchless repairing axial braiding device further comprises a guiding mechanism arranged on the frame, wherein the guiding mechanism is used for guiding the section bar to a preset position of the braiding pipe;
the guide mechanism comprises a mounting seat extending from the frame, a guide rod arranged on the mounting seat and parallel to the axial direction of the woven pipeline, and a plurality of guide blocks arranged on the guide rod, and the section bar can be arranged between the adjacent guide blocks.
Preferably, the guiding mechanism further comprises a glue brush which is arranged on the guiding rod and used for brushing glue on the section bar.
Preferably, the spiral winding trenchless repairing axial pipe braiding device further comprises a video collector which is arranged on the walking frame and used for detecting the compression joint condition of the section bar.
Preferably, the spiral winding non-excavation repairing axial pipe braiding device comprises a plurality of groups of frames which are arranged at intervals, and the frames are respectively provided with the driving mechanism, the limiting assembly, the positioning assembly and the crimping assembly.
In the technical scheme, the frame can walk on the tubular walking frame under the drive of the drive mechanism, so that the crimping assembly can crimp strip-shaped sectional materials on the braided pipeline from the axial direction of the braided pipeline in the moving process of the frame. In the tube braiding process, the braided tube which is braided is kept motionless relative to the tube to be repaired, so that the tube braiding device moves relative to the tube to be repaired, namely, the tube braiding device can automatically walk and complete tube braiding action in the tube braiding process. In addition, the first limiting shaft and the second limiting shaft clamp the braided pipeline together, the second limiting shaft and the positioning assembly are arranged on two opposite sides of the walking frame, and the walking frame is clamped between the first limiting shaft and the second limiting shaft so as to keep the relative positioning of the braided pipeline, the frame and the walking frame, and therefore stability of the braided pipe device in the walking process is guaranteed. In addition, through the cooperation of spacing portion and location portion, when guaranteeing that the frame walks on the walking frame, can walk along the orbit that spacing portion limited steadily. The invention adopts a tube braiding mode that the braided tube is fixed and the tube braiding device walks, the whole volume of the tube braiding device is small, larger torque is not needed to move the braided tube, the power requirement is small, and the in-situ non-excavation repair in the interior of the tube to be repaired can be easily realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a spiral wound trenchless rehabilitation axial braiding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic top view of a crimping assembly and a frame according to another embodiment of the present invention;
FIG. 4 is a schematic structural view of a spiral wound trenchless rehabilitation axial braiding device according to an embodiment of the present invention while walking along a walking frame;
fig. 5 is a schematic structural view of a spiral wound trenchless rehabilitation axial braiding apparatus comprising a plurality of frames according to a further embodiment of the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 110 | Rack | 120 | Driving mechanism |
| 121 | Walking motor | 122 | Sprocket wheel |
| 130 | Controller for controlling a power supply | 140 | Crimping assembly |
| 141 | Telescopic cylinder | 142 | Crimping roller |
| 143 | Crimping mounting seat | 144 | Crimping motor |
| 145 | Screw rod | 146 | Pressure joint block |
| 147 | Guide rail | 148 | Guide rail mounting seat |
| 150 | Positioning assembly | 151 | Positioning block |
| 152 | Positioning rod | 160 | Guiding mechanism |
| 161 | Guide mounting seat | 162 | Guide rod |
| 163 | Guide block | 170 | Spacing subassembly |
| 171 | First limiting shaft | 172 | Second limiting shaft |
| 173 | First limiting block | 174 | Second limiting block |
| 210 | Walking frame | 211 | Chain |
| 300 | Section bar |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which a person of ordinary skill in the art would achieve without inventive faculty, are within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to base the implementation of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that such technical solutions are not present and are not within the scope of protection claimed in the present invention.
Referring to fig. 1, 2 and 4, in one embodiment of the present invention, the spiral wound trenchless rehabilitation axial braiding apparatus comprises a frame 110, a driving mechanism 120, a limiting assembly 170, a positioning assembly 150 and a crimping assembly 140. The frame 110 is capable of traveling along the annular contour of the traveling frame 210 on the traveling frame 210 having a cylindrical shape, and the driving mechanism 120 is provided on the frame 110 and is capable of driving the frame 110 to move along the traveling frame 210. The traveling frame 210 may be supported by a traveling device that is movable in the axial direction of the braided tube.
The limiting assembly 170 includes a first limiting shaft 171 and a second limiting shaft 172 both disposed on the frame 110, a first limiting block 173 disposed on the first limiting shaft 171, and a second limiting block 174 disposed on the second limiting shaft 172, where the first limiting block 173 can contact with an outer surface of the braided tube and the second limiting block 174 can contact with an inner surface of the braided tube, and the first limiting block 173 and the second limiting block 174 clamp the braided tube together. The positioning assembly 150 is disposed on the frame 110, and the walking frame 210 passes between the second limiting shaft 172 and the positioning assembly 150, wherein a strip-shaped limiting portion extending along the walking direction of the frame 110 is disposed on the walking frame 210, and the positioning assembly 150 includes a positioning portion adapted to the limiting portion and capable of moving along the limiting portion. The crimping assembly 140 is provided on the frame 110 and is capable of crimping the strip-shaped profile 300 onto the braided tube from the axial direction of the braided tube, thereby completing the spiral braiding of the braided tube.
It should be noted that, herein, the "cylindrical shape" may be a square cylindrical shape, a cylindrical shape, or a structure with a polygonal or elliptical cross section, which is surrounded by an annular cylinder wall, and both ends of the cylindrical structure are formed as open ends in the extending direction of the cylindrical structure. In addition, "axial" herein refers to the extending direction of the braided tube, and "radial" herein refers to the direction perpendicular to the axial direction of the braided tube when the braided tube is a round tube, and "radial" herein refers to the direction perpendicular to the tube wall of the braided tube when the braided tube is a square tube or other polygonal tube. The braided tube is formed by spirally winding a section bar 300, a groove with a T-shaped cross section is formed in one side face of the section bar 300, a lug which is matched with the groove and has the T-shaped cross section is arranged on the other side face, and in the tube braiding process, the lug can be pressed into the groove of the adjacent section bar 300 along the axial direction of the braided tube. Adjacent profiles 300 on the woven pipeline are mutually pressed and fixed, so that a cylindrical pipeline is formed, and fluid cannot leak from the cylinder wall to the outside of the woven pipeline. When the pipeline repairing device is used, the braided pipeline is arranged in the pipeline to be repaired, the braided pipeline is overlapped with the pipeline to be repaired, and the braided pipeline can cover the positions of cracking, leakage, corrosion and the like on the pipeline to be repaired, so that the problem of fluid leakage of the pipeline to be repaired is solved.
In the above technical solution, the frame 110 can walk on the tubular walking frame 210 under the driving of the driving mechanism 120, so that the crimping assembly 140 can crimp the strip-shaped profile 300 on the braided tube from the axial direction of the braided tube during the movement of the frame 110. In the tube braiding process, the braided tube which is braided is kept motionless relative to the tube to be repaired, so that the tube braiding device moves relative to the tube to be repaired, namely, the tube braiding device can automatically walk and complete tube braiding action in the tube braiding process. In addition, the first limiting shaft 171 and the second limiting shaft 172 clamp the braided tube together, the second limiting shaft 172 and the positioning assembly 150 are disposed on opposite sides of the walking frame 210, and the walking frame 210 is clamped between the two limiting shafts, so as to maintain the relative positioning of the braided tube, the frame 110 and the walking frame 210, and thus ensure the stability of the tube braiding device in the walking process. In addition, by the cooperation of the limiting portion and the positioning portion, it is ensured that the frame 110 can stably travel along the track defined by the limiting portion when traveling on the traveling frame 210. The invention adopts a tube braiding mode that the braided tube is fixed and the tube braiding device walks, the whole volume of the tube braiding device is small, larger torque is not needed to move the braided tube, the power requirement is small, and the in-situ non-excavation repair in the interior of the tube to be repaired can be easily realized.
In the above embodiment, the crimping assembly 140 may have a variety of structures, so long as the force can be applied from the axial direction of the braided tube, so long as the spirally distributed profile 300 to be crimped is pressed against the braided tube. For example, as shown in fig. 1, the crimping assembly 140 includes a telescoping cylinder 141 provided on the frame 110 and a crimping drum 142 provided at a free end of the telescoping cylinder 141, the crimping drum 142 being rotatable about a radial direction of the braided tube. It should be noted that, since the frame 110 continuously walks along the walking frame 210 during the tube braiding process, the crimping rollers 142 always rotate around the radial direction of the braided tube regardless of the position of the frame 110. The rotation of the crimping roller 142 makes the friction between the crimping roller 142 and the profile 300 be rolling friction, so that the friction resistance in the crimping process can be reduced, the power required by the walking and the tube braiding of the tube braiding device is reduced, and the size of the driving mechanism and the diameter of the telescopic cylinder 141 can be correspondingly reduced, so that the aim of reducing the whole volume of the tube braiding device is fulfilled, and the tube braiding device is more flexible and better in adaptability. In addition, in order to facilitate the installation of the telescopic cylinder 141, a crimp mounting seat 143 is further provided on the frame 110, the crimp mounting seat 143 may be manufactured in a proper shape and size according to the structure and size of the frame 110 and the telescopic cylinder 141, one end of the telescopic cylinder 141 is fixed on the crimp mounting seat 143, and the other end is a free end, on which a crimp roller 142 is provided. The telescopic cylinder 141 may be a hydraulic cylinder, an air cylinder, or the like.
In a preferred embodiment, a pressure sensor is further arranged on the crimping roller 142, the pressure sensor can detect the pressure between the crimping roller 142 and the profile 300, and the detected pressure is fed back to the telescopic cylinder 141, so that the telescopic cylinder 141 adjusts the telescopic length according to the pressure, the profile 300 can be crimped in place, and the pressure between the crimping roller 142 and the profile 300 can be controlled not to exceed the limit value bearable by the tube braiding device. In addition, the crimp bowl 142 may be replaced to accommodate different braided tube gauges and sizes.
In another embodiment, as shown in fig. 3, the press-fit assembly 140 includes a press-fit motor 144 and a guide rail mounting seat 148 mounted on the frame 110, a screw rod 145 connected to an output shaft of the press-fit motor 144, a press-fit block 146 sleeved on the screw rod 145, and a guide rail 147 having one end fixedly mounted on the guide rail mounting seat 148, the press-fit block 146 being connected to the guide rail 147 such that the press-fit block 146 can slide along the guide rail 147 under the driving of the screw rod 145. The crimping blocks 146 can contact the profile 300 to axially crimp the profile 300 to the braided tube. The press motor 144 drives the screw 145 to rotate forward or backward so that the press block 146 can follow the profile 300 in spiral distribution to apply axial force.
Further, in the preferred embodiment, as shown in fig. 1, the first limiting shaft 171 and the second limiting shaft 172 are parallel to the axial direction of the braided tube, the number of the first limiting blocks 173 may be plural and each may be movable along the axial direction of the first limiting shaft 171, and the second limiting blocks 174 may be plural and each may be movable along the axial direction of the second limiting shaft 172. An outer chute extending along a spiral is formed on the outer surface of the braided tube, and the first stopper 173 can be inserted into the outer chute and slid along the spiral direction along with the frame 110. Accordingly, an inner sliding groove extending along a spiral is formed on the inner surface of the braided tube, and the second stopper 174 can be inserted into the inner sliding groove and slide along the frame 110 along the spiral direction, thereby maintaining the frame 110 and the braided tube in a relative position and preventing the frame from being separated from the braided tube.
The driving mechanism 120 in each of the above embodiments may be configured in various forms, for example, a combination of the traveling motor 121 and a sprocket, a combination of the traveling motor 121 and a gear, a combination of a motor and a sprocket, or a combination of a motor and a drum, so long as the frame 110 can be driven to travel along the traveling frame 210. In a preferred embodiment, the driving mechanism 120 includes a traveling motor 121 disposed on the frame 110 and a sprocket 122 fixedly connected to an output shaft of the traveling motor 121, a chain 211 adapted to the sprocket 122 is disposed on the traveling frame 210, and the traveling motor 121 drives the sprocket 122 to rotate so that the sprocket 122 moves relative to the chain 211, thereby driving the frame 110 to travel along an annular profile of the traveling frame 210. And, compared with the gear assembly, the combination of the chain wheel 122 and the chain 211 has better adaptability, the chain 211 can be arranged into different shapes according to the annular outline of the walking frame 210, and the positioning precision requirement between the chain wheel 122 and the chain 211 is lower, so that the assembly of the driving mechanism 120 is convenient. In addition, the traveling motor 121 may also perform forward rotation or reverse rotation as needed to control the traveling direction of the tube knitting apparatus. In addition, as shown in fig. 1, in order to save installation space, a second limiting shaft 172 may be provided on the output shaft of the travel motor 121, and in particular, one end of the second limiting shaft 172 is abutted with the free end of the output shaft of the travel motor 121.
Further, referring to fig. 1, in a preferred embodiment, the limiting portion on the walking frame 210 may be a limiting groove or a limiting edge, and the positioning portion is a positioning block 151 adapted to the limiting groove or a positioning groove adapted to the limiting edge. Specifically, the positioning block 151 may be disposed on the positioning rod 152, and the positioning rod 152 is mounted on the frame 110. The positioning block 151 can slide in the limiting groove along the extending direction of the limiting groove (namely, the annular outline of the walking frame 210), and the positioning block 151 and the second limiting block 174 clamp the walking frame 210 from two opposite sides, so that the frame 110 can be prevented from being separated from the walking frame 210, and the tube braiding device can stably walk on the walking frame 210.
In addition, in a more preferred embodiment, the spiral wound trenchless rehabilitation axial braiding apparatus further comprises a guiding mechanism 160 provided on the frame 110, the guiding mechanism 160 being used to guide the profile 300 to a predetermined position of the braided tube. In the tube braiding process, after the section bar 300 to be crimped reaches the position to be crimped, the crimping assembly 140 directly performs crimping action, so that the efficiency of the tube braiding device can be improved, and the quality of braided pipelines can be improved.
In the above embodiments, the guide mechanism 160 may have various structures, such as a guide frame or an i-shaped groove. When the guide 160 is a guide block, the profile 300 passes through the guide block, so that the profile 300 is combed and guided by the guide block. Alternatively, as shown in fig. 2, in a preferred embodiment, the guide mechanism 160 may include a guide mount 161 extending from the frame 110, a guide bar 162 provided on the guide mount 161 and parallel to the extending direction of the walking frame 210 (i.e., the axial direction of the braided tube), and a plurality of guide blocks 163 provided on the guide bar 162, and the profile 300 can be disposed between the adjacent guide blocks 163. After carding the profile 300, the guide block 163 can make the profile 300 reach a predetermined crimping position, and the crimping assembly 140 following the guide mechanism 160 can more smoothly complete crimping of the profile 300, thereby ensuring crimping quality of the braided tube.
Further, in order to prevent the pipe wall of the braided tube from leaking fluid, the guiding mechanism 160 further includes a glue brush (not shown) disposed on the guiding rod 162 and used for brushing the glue on the profile 300, and the glue brush can apply the glue on the profile 300 to be crimped, so that the crimping between the adjacent profiles 300 on the braided tube is tighter and more reliable, gaps between the adjacent profiles 300 on the braided tube are prevented, and the leakage-proof effect of the pipe wall is improved. When the braided pipeline is used for covering the pipeline to be repaired, the braided pipeline can more reliably achieve the purpose of leakage prevention.
In addition, because the space in the pipe to be repaired is generally narrow, the operator cannot intuitively detect and monitor the tube-braiding progress and quality of the tube-braiding device, and therefore, in a preferred embodiment, the spiral wound trenchless repairing axial tube-braiding device further includes a video collector (not shown) disposed on the walking frame 210 and used for detecting the crimping condition of the profile 300, wherein the video collector may be preferably an infrared camera, which is capable of completing the shooting task in a dimly light environment. The image data shot by the video collector can be transmitted to a display device on the ground, so that an operator can monitor in real time.
In addition, as shown in fig. 5, to ensure that the profile 300 is crimped in place, in a preferred embodiment, the spiral wound trenchless rehabilitation axial braiding apparatus may comprise a plurality of sets of spaced apart frames 110, each frame 110 having a drive mechanism 120, a stop assembly 170, a positioning assembly 150, and a crimping assembly 140 disposed thereon. The multiple crimping operations are sequentially performed on the profile 300 through the multiple groups of crimping assemblies 140, so that the crimping reliability of the profile 300 can be ensured, and the quality of the braided pipeline can be improved. The driving mechanism 120 (specifically, the traveling motor 121) and the pressing assembly 140 (specifically, the telescopic cylinder 141 or the pressing motor 144) on the multiple groups of racks 110 are all connected with the controller 130, so that the driving mechanism 120 can maintain a synchronous rotation state, and the pressing assembly 140 can sequentially perform corresponding pressing actions according to the positions of the corresponding racks 110. The traveling motor 121 and the controller 130, the telescopic cylinder 141 and the controller 130, and the crimping motor 144 and the controller 130 may be electrically connected, or may be in signal connection, so long as the plurality of groups of racks 110 are ensured to be capable of traveling synchronously on the traveling frame 210, and the plurality of groups of crimping assemblies 140 are capable of sequentially performing crimping actions.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather, the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. The utility model provides a spiral winding non-excavation repair axial braided tube device which characterized in that, spiral winding non-excavation repair axial braided tube device includes:
the frame can walk on a tubular walking frame along the annular outline of the walking frame;
the driving mechanism is arranged on the frame and can drive the frame to move along the walking frame;
the limiting assembly comprises a first limiting shaft, a second limiting shaft, a first limiting block and a second limiting block, wherein the first limiting shaft and the second limiting shaft are both arranged on the frame, the first limiting block is arranged on the first limiting shaft, the second limiting block is arranged on the second limiting shaft, the first limiting block can be in contact with the outer surface of the woven pipeline, the second limiting block can be in contact with the inner surface of the woven pipeline, and the first limiting block and the second limiting block clamp the woven pipeline together;
the positioning assembly is arranged on the stand, the walking frame passes through the second limiting shaft and the positioning assembly, a strip-shaped limiting part extending along the walking direction of the stand is arranged on the walking frame, and the positioning assembly comprises a positioning part which is matched with the limiting part and can move along the limiting part; and
the crimping assembly is arranged on the frame and can crimp strip-shaped sectional materials on the braided pipeline from the axial direction of the braided pipeline;
the crimping assembly comprises a telescopic cylinder arranged on the frame and a crimping roller arranged at the free end of the telescopic cylinder, and the crimping roller can rotate around the radial direction of the braided pipeline;
the braided pipeline is formed by spirally winding a section bar, one side surface of the section bar is provided with a groove with a T-shaped cross section, and the other side surface of the section bar is provided with a convex block which is matched with the groove and has a T-shaped cross section.
2. The spiral wound trenchless rehabilitation axial braiding apparatus of claim 1 wherein pressure sensors are provided on the crimping rollers.
3. The spiral wound trenchless rehabilitation axial pipe braiding apparatus of claim 1, wherein the crimping assembly comprises a crimping motor and a guide rail mounting seat mounted on the frame, a screw rod connected with an output shaft of the crimping motor, a crimping block sleeved on the screw rod, and a guide rail with one end fixedly mounted on the guide rail mounting seat, the crimping block is connected with the guide rail, so that the crimping block can slide along the guide rail under the drive of the screw rod.
4. A spiral wound trenchless rehabilitation axial braiding apparatus as claimed in any of claims 1-3 wherein the first stop block is plural in number and is each moveable in the axial direction of the first stop shaft and the second stop block is plural in number and is each moveable in the axial direction of the second stop shaft.
5. A spiral wound trenchless rehabilitation axial pipe braiding apparatus as claimed in any of claims 1-3 wherein the drive mechanism comprises a travelling motor arranged on the frame and a sprocket fixedly connected to an output shaft of the travelling motor, the travelling frame being provided with a chain adapted to the sprocket.
6. A spiral wound trenchless rehabilitation axial braiding apparatus as claimed in any of claims 1-3 further comprising a guiding mechanism provided on the frame for guiding the profile to a predetermined position of the braided tube;
the guide mechanism comprises a mounting seat extending from the frame, a guide rod arranged on the mounting seat and parallel to the axial direction of the woven pipeline, and a plurality of guide blocks arranged on the guide rod, and the section bar can be arranged between the adjacent guide blocks.
7. The spiral wound trenchless rehabilitation axial braiding apparatus of claim 6 wherein the guiding mechanism further comprises a glue brush disposed on the guiding rod for brushing the profile.
8. A spiral wound trenchless rehabilitation axial pipe braiding apparatus as claimed in any of claims 1-3 further comprising a video collector provided on the travelling frame for detecting the crimp condition of the profile.
9. A spiral wound trenchless rehabilitation axial pipe braiding apparatus as claimed in any of claims 1-3 comprising a plurality of sets of spaced apart racks on which the drive mechanism, the spacing assembly, the locating assembly and the crimping assembly are all provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690443.1A CN107489852B (en) | 2017-08-14 | 2017-08-14 | Spiral winding non-excavation repairing axial braided tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690443.1A CN107489852B (en) | 2017-08-14 | 2017-08-14 | Spiral winding non-excavation repairing axial braided tube device |
Publications (2)
| Publication Number | Publication Date |
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| CN107489852A CN107489852A (en) | 2017-12-19 |
| CN107489852B true CN107489852B (en) | 2023-12-01 |
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| CN201710690443.1A Active CN107489852B (en) | 2017-08-14 | 2017-08-14 | Spiral winding non-excavation repairing axial braided tube device |
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Denomination of invention: Spiral winding non excavation repair axial pipe device Granted publication date: 20231201 Pledgee: Changsha Bank Co.,Ltd. Science and Technology Innovation Branch Pledgor: HUNAN DALU TECHNOLOGY Co.,Ltd. Registration number: Y2024980042064 |
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