CN212597677U

CN212597677U - Pipeline dredging device

Info

Publication number: CN212597677U
Application number: CN202022004175.3U
Authority: CN
Inventors: 牛犇; 王宇; 张晓薇; 王立永; 计国庆
Original assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Current assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-02-26
Anticipated expiration: 2030-09-14

Abstract

The utility model provides a pipeline dredging device relates to the technical field of bridge construction, and pipeline dredging device includes: the core drilling machine comprises a power mechanism, a core taking mechanism and a drill rod assembly; the power mechanism is connected with the drill rod assembly and is used for driving the drill rod assembly to rotate; the drill rod component is detachably connected with the power mechanism; the drill rod assembly is used for penetrating into a pipeline and acting on a blockage; the core taking mechanism is used for taking out the blockage; the drill rod assembly includes a first drill rod that is capable of bending during rotation. The device can reduce the wound and the damaged surface caused by the corrugated pipe and reduce the work load of dredging; the influence on the quality of the entity and the appearance quality is better avoided; the construction position is not limited, the normal construction is not influenced, and the construction period is effectively saved; the device has the advantages of low manufacturing cost, simple operation, great personnel saving, material saving and machine saving. The first drill rod can enable the device to be suitable for both a curve section pipeline and a straight section pipeline, and the application range of the device is expanded.

Description

Pipeline dredging device

Technical Field

The utility model belongs to the technical field of the bridge construction technique and specifically relates to a pipeline dredging device is related to.

Background

In the prior art, when the bridge prestressed corrugated pipe is blocked, the treatment scheme is as follows: inserting a single lead into the corrugated pipe to try through, after the blocking position and the blocking length are determined, selecting the position with the shortest distance from the blocking position to the concrete surface or the position with the least obstacle, chiseling the blocking position by using an electric pick or a tool of the same type, cutting off a steel bar framework in a beam body, bending a cut steel bar, breaking the blocked corrugated pipe, and taking out the blocking object to clean. Then, the corrugated pipe is restored, the slotting area is enlarged to ensure the welding length when the reinforcing steel bars are restored, the cut reinforcing steel bars are straightened, the single-side or double-side welding of the restoring reinforcing steel bars is utilized, and normal construction is carried out after the same-grade concrete is poured and restored.

However, the dredging method causes large wound of the corrugated pipe with deep embedded depth and serious damaged surface, and the quality of engineering entity is affected by cutting off a large amount of broken steel bars and concrete and recovering the broken steel bars and concrete; in addition, the dredging workload is large, so that the construction period is long, the synchronous construction cannot be realized, and people, materials and machines are occupied; moreover, the damaged surface is large, so that the appearance quality is influenced after recovery; and the construction position can only be selected near the blockage position, and the limitation is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline dredging device, which can cause large wound of a corrugated pipe with deep pre-buried depth and serious damaged surface by relieving the method of clearing blockage by chiseling the blockage position in the prior art, and can influence the quality of engineering entity by cutting off a large amount of damaged steel bars and concrete and recovering the damaged steel bars and concrete; in addition, the dredging workload is large, so that the construction period is long, the synchronous construction cannot be realized, and people, materials and machines are occupied; moreover, the damaged surface is large, so that the appearance quality is influenced after recovery; and the construction position can only be selected near the blockage, thereby having larger limitation.

The utility model provides a pipeline pull throughs, include: the core drilling machine comprises a power mechanism, a core taking mechanism and a drill rod assembly; the power mechanism is connected with the drill rod assembly and is used for driving the drill rod assembly to rotate; the drill rod assembly is detachably connected with the power mechanism; the drill rod component is used for penetrating into the pipeline and acting on a blockage; the core taking mechanism is used for taking out the blockage; the drill rod assembly includes a first drill rod that is capable of bending during rotation.

Further, the first drill pipe comprises a plurality of first sub-pipes; the plurality of first sub-bars can be connected end to end.

Further, the first sub-rod comprises a steel strand.

Furthermore, two adjacent steel strands are welded, and an extrusion head is arranged at the welding position.

Further, the pipeline dredging device also comprises a protective sleeve; the protective sleeve is sleeved on the part of the first drill rod exposed out of the pipeline.

Further, the drill rod assembly further comprises a second drill rod capable of maintaining a straight shape during rotation.

Further, the second drill pipe comprises a plurality of second sub-pipes; a plurality of second sub-rods can be connected end to end.

Furthermore, a limiting sleeve and a connecting piece are arranged on the second drill rod; the limiting sleeve is sleeved outside the second drill rod, and the outer diameter of the limiting sleeve is smaller than the inner diameter of the pipeline; the connecting piece is arranged between the limiting sleeve and the second drill rod, and two ends of the connecting piece are fixedly connected with the limiting sleeve and the second drill rod respectively.

Further, the coring mechanism comprises a coring bit; the coring bit is connected with one end of the drill rod assembly, which is far away from the power mechanism.

Further, the pipeline dredging device also comprises a drill bit for breaking up the blockage; the drill bit is connected with one end of the drill rod assembly, which is far away from the power mechanism; the core-pulling mechanism comprises a scraper and a pull rope; the pull rope is connected with the scraper; the scraper blade is circular, just the outer edge of scraper blade can with the inner wall butt of pipeline.

The utility model provides a pipeline pull throughs, in the use, constructor confirms the jam position in the pipeline earlier, then is connected drill rod subassembly and power unit, makes power unit drive the rotation of drill rod subassembly. Since the first drill rod can bend during rotation, the first drill rod can deform inside the pipe. The first drill rod is thrown under the action of the power mechanism, so that the first drill rod positioned in the pipeline rotates along the inner wall of the pipeline. When dredging a pipeline at a curve section, the first drill rod can be subjected to adaptive deformation along the bending radian of the curve section, so that the drill rod smoothly reaches a blocked part, and finally the core-taking mechanism is used for taking out a blocked object.

Therefore, the device can reduce wounds and damaged surfaces caused by the corrugated pipe and reduce the workload of dredging; the influence on the quality of the entity and the appearance quality can be better avoided; constructors can arrange the device at an opening (a structural section) at one end of a pipeline for dredging, or can chisel an opening at other positions for dredging according to actual conditions, the construction position is not limited, normal construction is not influenced, and the construction period is effectively saved; moreover, the device has the advantages of low manufacturing cost, simple operation, great personnel saving, material saving and machine saving. In addition, the arrangement of the first drill rod can enable the device to be suitable for both curved section pipelines and straight section pipelines, and the application range of the device is expanded.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pipeline dredging device provided by an embodiment of the invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

fig. 3 is a schematic structural view of a pipeline dredging device according to another embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;

fig. 5 is a cross-sectional view of a pipe pull through according to another embodiment of the present invention.

Icon: 1-a power mechanism; 2-a core-taking mechanism; 3-a drill rod assembly; 4-a first drill pipe; 5-a first sub-bar; 6-extrusion head; 7-a second drill rod; 8-a second sub-rod; 9-a limiting sleeve; 10-a connector; 11-core drill bit; 12-a bracket; 13-guide rail.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a pipeline dredging device provided by an embodiment of the invention; as shown in FIG. 1, the embodiment of the present invention provides a pipe dredging device, including: the core drilling machine comprises a power mechanism 1, a core taking mechanism 2 and a drill rod assembly 3; the power mechanism 1 is connected with the drill rod component 3, and the power mechanism 1 is used for driving the drill rod component 3 to rotate; the drill rod component 3 is detachably connected with the power mechanism 1; the drill rod component 3 is used for penetrating into a pipeline and acting on a blockage; the core taking mechanism 2 is used for taking out the blockage; the drill rod assembly 3 comprises a first drill rod 4, the first drill rod 4 being able to bend during rotation.

Further, the coring mechanism 2 comprises a coring bit 11; the coring bit 11 is connected to the end of the drill rod assembly 3 remote from the power unit 1. The coring bit 11 is also called a hollow bit and can directly take out the whole block of the blockage in the pipeline.

Or the pipeline dredging device also comprises a drill bit for breaking up the blockage; the drill bit is connected with one end of the drill rod component 3 away from the power mechanism 1; the core taking mechanism 2 comprises a scraper and a pull rope; the pull rope is connected with the scraper; the scraper blade is circular, and the outer edge of scraper blade can be with the inner wall butt of pipeline. The drill bit can be a water drill bit, an alloy drill bit or a strong drill bit, etc. In the use, the drill bit smashes the back with the plug, runs through the stay cord that will have certain rigidity to the other end from the one end of pipeline, and the trailing end of stay cord is connected with the scraper blade, then draws the stay cord from the other end of pipeline, makes the scraper blade scrape the plug in the pipeline out the pipeline.

The power mechanism 1 can be a water drilling machine, a rock drilling machine or a conversion connecting rod for connecting an electric hammer with a water drilling machine.

One end of the drill rod component 3 is detachably connected with the power output shaft of the power mechanism 1 and synchronously rotates. An external thread can be arranged on the power output shaft, and an internal thread matched with the external thread is arranged at one end of the drill rod component 3.

In particular, the pipeline dredging device also comprises a bracket 12; the power mechanism 1 is arranged on the bracket 12. The bracket 12 is fixed to the work surface by expansion screws or welding. The bracket 12 is provided with a guide rail 13, and the extension direction of the guide rail 13 is the same as the extension direction of the pipeline. During construction, the power unit 1 is moved in the extension direction of the guide rail 13, thereby drilling the drill rod assembly 3 in the extension direction of the pipe. The arrangement can limit the drilling direction of the drill rod, so that the construction is more accurate.

When it is desired to open a pipe by chiseling an opening, it is preferable that the opening is sized to be 40cm long by 30cm wide.

The embodiment of the utility model provides a pipeline pull throughs, include: the core drilling machine comprises a power mechanism 1, a core taking mechanism 2 and a drill rod assembly 3; the power mechanism 1 is connected with the drill rod component 3, and the power mechanism 1 is used for driving the drill rod component 3 to rotate; the drill rod component 3 is detachably connected with the power mechanism 1; the drill rod component 3 is used for penetrating into a pipeline and acting on a blockage; the core taking mechanism 2 is used for taking out the blockage; the drill rod assembly 3 comprises a first drill rod 4, the first drill rod 4 being able to bend during rotation. In the use, constructor confirms the jam position in the pipeline earlier, then is connected drilling rod subassembly 3 with power unit 1, makes power unit 1 drive drilling rod subassembly 3 rotatory. Since the first drill rod 4 can bend during rotation, the first drill rod 4 can deform inside the pipe. The first drill rod 4 is swung under the action of the power mechanism 1, so that the first drill rod 4 positioned in the pipeline rotates along the inner wall of the pipeline. When dredging a curve section pipeline, the first drill rod 4 can be adaptively deformed along the bending radian of the curve section, so that the pipe can smoothly reach the blocked part, and finally the core taking mechanism 2 is used for taking out the blockage.

Therefore, the device can reduce wounds and damaged surfaces caused by the corrugated pipe and reduce the workload of dredging; the influence on the quality of the entity and the appearance quality can be better avoided; constructors can arrange the device at an opening (a structural section) at one end of a pipeline for dredging, or can chisel an opening at other positions for dredging according to actual conditions, the construction position is not limited, normal construction is not influenced, and the construction period is effectively saved; moreover, the device has the advantages of low manufacturing cost, simple operation, great personnel saving, material saving and machine saving. In addition, the arrangement of the first drill rod 4 can enable the device to be suitable for both curved section pipelines and straight section pipelines, and the application range of the device is expanded.

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1; as shown in fig. 2, on the basis of the above embodiment, further, the first drill rod 4 comprises a plurality of first sub-rods 5; a plurality of first sub-bars 5 can be connected end to end.

Preferably, the length of the first sub-rod 5 is the same as the length of the guide rail 13 (the length of a single movement of the power mechanism 1).

Further, the first sub-bar 5 comprises a steel strand.

Alternatively, the first sub-rod 5 may be of carbon steel type or a material similar in hardness to the steel strand, or the like.

Furthermore, two adjacent steel strands are welded, and an extrusion head 6 is arranged at the welding position. Therefore, the two steel strands can be connected more stably, and the extrusion head 6 is used for extruding and fixing the two connected steel strands so as to resist torque and prevent the steel strands from being separated. Specifically, a constructor firstly turns a groove at the front end of the steel strand at a lathe, and the two grooves are connected by an extrusion head 6 and welded at an interface so as to resist torque and prevent the steel strand from being separated.

Or, a connector or a structural member with a strong occlusion effect and the like can be arranged at the welding position of the two adjacent steel strands.

Further, the pipeline dredging device also comprises a protective sleeve; the protective sleeve is sleeved on the part of the first drill rod 4 exposed out of the pipeline. During construction, the protective sleeve can prevent the first drill rod 4 from disengaging or injuring constructors during rotation.

In the embodiment, in the construction process, after the constructor pushes the first sub-rod 5 into the pipeline, if the constructor does not drill into the blocked position, the power mechanism 1 is suspended, the first sub-rod 5 is additionally arranged at the joint of the power mechanism 1 and the first sub-rod 5, and then the power mechanism 1 is started to continue to jack into the pipeline. As above, the constructor connects a first sub-rod 5 at the tail end of the previous first sub-rod 5, and gradually connects according to the actual situation, so as to ensure that the first sub-rod 5 is supplemented after footage is finished until the head end of the first sub-rod 5 is positioned at the blockage. This arrangement can narrow the range required for construction.

Fig. 3 is a schematic structural view of a pipeline dredging device according to another embodiment of the present invention; as shown in fig. 3, in addition to the above-described embodiment, the drill rod assembly 3 further comprises a second drill rod 7, and the second drill rod 7 can be kept straight during rotation. When the blockage is positioned in the curve section, the first drill rod 4 and the power mechanism 1 can be connected for dredging, and when the blockage is positioned in the straight section, the second drill rod 7 and the power mechanism 1 can be connected for dredging.

Further, the second drill rod 7 comprises a plurality of second sub-rods 8; a plurality of second sub-bars 8 can be connected end to end.

Wherein, the second sub-rod 8 can be seamless steel pipe, alloy pipe or steel pipe with light bending resistance, torsion resistance and torsion resistance, etc.

Specifically, the constructor firstly turns the front end of the second sub-rod 8 into a groove at the lathe, two ends of the second sub-rod 8 are respectively inserted into the two ends of the second sub-rod, and then welding is carried out at the interface so as to resist torque and prevent the second sub-rod 8 from being separated.

In the embodiment, in the construction process, after the constructor pushes the second sub-rod 8 into the pipeline, if the constructor does not drill into the blocked position, the power mechanism 1 is suspended, the second sub-rod 8 is additionally arranged at the joint of the power mechanism 1 and the second sub-rod 8, and then the power mechanism 1 is started to continue to jack into the pipeline. As above, the constructor connects a second sub-rod 8 at the tail end of the previous second sub-rod 8, and gradually connects according to actual conditions, so as to ensure that the second sub-rod 8 is supplemented after footage is reached until the head end of the first second sub-rod 8 is positioned at the blockage position. This arrangement can narrow the range required for construction.

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2; FIG. 5 is a cross-sectional view of a pipe pull through according to another embodiment of the present invention; as shown in fig. 4 and 5, on the basis of the above embodiment, further, the second drill rod 7 is provided with a limiting sleeve 9 and a connecting piece 10; the limiting sleeve 9 is sleeved outside the second drill rod 7, and the outer diameter of the limiting sleeve 9 is smaller than the inner diameter of the pipeline; the connecting piece 10 is arranged between the limiting sleeve 9 and the second drill rod 7, and two ends of the connecting piece 10 are fixedly connected with the limiting sleeve 9 and the second drill rod 7 respectively.

Specifically, the connecting pieces 10 are three connecting pieces which are uniformly arranged along the circumferential direction of the second drill rod 7, and play a role in supporting and fixing the limiting sleeve 9.

The outer diameter of the limiting sleeve 9 is about 1cm smaller than the inner diameter of the pipeline.

In addition, the above-mentioned limit sleeve 9 and the connecting piece 10 are provided 0.5m and 1m behind the drill bit or core bit 11, respectively, to prevent the drill bit from deviating during drilling.

In this embodiment, the limiting sleeve 9 enters the pipeline together with the second drill rod 7, and can play a role in preventing the second drill rod 7 from deviating during drilling.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A pipe pull through, comprising: the core drilling machine comprises a power mechanism, a core taking mechanism and a drill rod assembly;

the power mechanism is connected with the drill rod assembly and is used for driving the drill rod assembly to rotate; the drill rod assembly is detachably connected with the power mechanism; the drill rod component is used for penetrating into the pipeline and acting on a blockage; the core taking mechanism is used for taking out the blockage;

the drill rod assembly includes a first drill rod that is capable of bending during rotation.

2. The pipe pull of claim 1, wherein the first drill pipe comprises a plurality of first sub-pipes;

the plurality of first sub-bars can be connected end to end.

3. The pipe pull of claim 2, wherein the first sub-rod comprises a steel strand.

4. The pipe pull throughs of claim 3, wherein adjacent steel strands are welded together, and wherein an extrusion head is disposed at the weld.

5. The conduit pull of any one of claims 1-4, further comprising a protective sleeve;

the protective sleeve is sleeved on the part of the first drill rod exposed out of the pipeline.

6. The pipe pull of claim 1, wherein the drill rod assembly further comprises a second drill rod capable of remaining straight during rotation.

7. The pipe pull of claim 6, wherein the second drill pipe comprises a plurality of second sub-pipes;

a plurality of second sub-rods can be connected end to end.

8. The pipe pull throughs of claim 6, wherein a stop sleeve and a connector are provided on the second drill pipe;

the limiting sleeve is sleeved outside the second drill rod, and the outer diameter of the limiting sleeve is smaller than the inner diameter of the pipeline; the connecting piece is arranged between the limiting sleeve and the second drill rod, and two ends of the connecting piece are fixedly connected with the limiting sleeve and the second drill rod respectively.

9. The pipe pull of claim 1, wherein the coring mechanism comprises a coring bit;

the coring bit is connected with one end of the drill rod assembly, which is far away from the power mechanism.

10. The pipe pull of claim 1, further comprising a drill bit for breaking up a plug; the drill bit is connected with one end of the drill rod assembly, which is far away from the power mechanism;

the core-pulling mechanism comprises a scraper and a pull rope; the pull rope is connected with the scraper; the scraper blade is circular, just the outer edge of scraper blade can with the inner wall butt of pipeline.