CN217760869U

CN217760869U - Non-excavation equipment integrating hole expanding, hole cleaning and pipeline laying

Info

Publication number: CN217760869U
Application number: CN202221434691.2U
Authority: CN
Inventors: 张兴禄; 施兴林; 梁延
Original assignee: Fujian Yizuan Machinery Co ltd
Current assignee: Fujian Yizuan Machinery Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-08
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a collect reaming, clear hole, integrative non-excavation equipment of pipe laying belongs to engineering machine tool technical field, including enlarger, hole milling ware and transfer case, the fixed cover of enlarger is established outside the transfer case, the hole milling ware rotates with the transfer case output and is connected, and enlarger and hole milling ware set up with one heart, the one end that the hole milling ware was kept away from to the enlarger is the toper setting, the transmission of transfer case input is connected with the transmission shaft, the free end of transmission shaft rotates and runs through behind the enlarger tip fixedly connected with eight-way connection; the free end of the hole milling device is integrally connected with a concentrically arranged pipe protecting ring, and the outer diameter of the pipe protecting ring is smaller than that of the hole milling device. The utility model discloses can clear hole and pipe laying in the reaming while, effectively improve the efficiency of construction of non-excavation technique.

Description

Non-excavation equipment integrating hole expanding, hole cleaning and pipeline laying

Technical Field

The utility model relates to a collect reaming, clear hole, integrative non-excavation equipment is laid to pipeline belongs to engineering machine tool technical field.

Background

The non-excavation is a new construction technology for laying, replacing and repairing various underground pipelines under the condition of excavating a tiny part of the earth surface (generally referred to as small-area excavation at an inlet and an outlet) by utilizing various rock-soil drilling equipment and technical means in a guiding mode, a directional drilling mode and the like, does not obstruct traffic, does not damage green lands and vegetation, does not influence the normal life and work order of shops, hospitals, schools and residents, solves the problem that the interference of the traditional excavation construction on the life of the residents and the damage and adverse effect on the traffic, the environment and the foundation of surrounding buildings, and has higher social and economic effects. Trenchless technology, also known abroad as TT technology, starting from the horizontal directional drilling pipe laying technology in the seventies of the twentieth century, is commonly used for the laying of oil, gas, natural water, sewage and other fluids and the laying of conduits for electric power and telecommunication cables across rivers, canals, streets, highways, railways, airports, runways, beaches, islands, and building groups.

The trenchless construction sequence of the trenchless technology is that a pipe laying machine arranged on the ground is utilized to firstly drill a hole at the upper stage along the design track of a line to be laid, then a reamer is arranged at the unearthed end by using a passed drill rod to expand back to a diameter suitable for laying a production pipeline, and then the pipeline to be laid is pulled into the hole, so that the pipeline construction is realized on the premise of not damaging the landform. Generally expand the hole through soil layer enlarger among the prior art, but current soil layer enlarger function is comparatively single, can't realize reaming, clear hole and pipe laying simultaneously, and work efficiency is lower, consequently the urgent need improves.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming among the above-mentioned prior art, the utility model discloses a collect reaming, clear hole, integrative non-excavation equipment is laid to pipeline, it can clear hole and pipeline laying in the reaming time, effectively improves non-excavation technical's efficiency of construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a non-excavation device integrating reaming, hole cleaning and pipeline laying comprises a reamer, a hole milling device and a transfer case, wherein the reamer is fixedly sleeved outside the transfer case, the hole milling device is rotatably connected with the output end of the transfer case, the reamer and the hole milling device are concentrically arranged, one end, away from the hole milling device, of the reamer is arranged in a conical mode, the input end of the transfer case is in transmission connection with a transmission shaft, and the free end of the transmission shaft is fixedly connected with an eight-direction connector after rotatably penetrating through the end part of the reamer; the free end of the hole milling device is integrally connected with a concentrically arranged pipe protecting ring, and the outer diameter of the pipe protecting ring is smaller than that of the hole milling device.

Furthermore, the inside of the hole milling device is connected with a male pull nose through a connecting flange, and the free end of the male pull nose extends out of the hole milling device and extends into the inner part of the protective pipe ring.

Furthermore, a plurality of groups of tool bits are uniformly fixed on the surface of the conical head of the reamer, and each group of tool bits comprises a plurality of alloy tool bits which are arranged from the center of the reamer to the outer edge in an arc shape.

Furthermore, the reamer is provided with an injection hole, the transmission shaft is provided with a water injection hole, and the water injection hole is communicated with the inside of the reamer.

Further, one end of the reamer, which is close to the hole milling device, is provided with a cleaning hole.

Furthermore, a plurality of sludge discharge holes are uniformly formed in one end, close to the pipe protecting ring, of the hole milling device along the circumferential direction.

Compared with the prior art the utility model discloses there are following characteristics and beneficial effect:

the utility model discloses a transfer case is connected enlarger and hole milling machine, can repair the roughness pore wall simultaneously through hole milling machine to the hole ramming when enlarger reaming feeding, effectively improved pore-forming quality and hole digging efficiency, enlarger one end is the toper structure setting, can guarantee good centripetal ability during the reaming, further improved the stability of work, the eight-square joint cooperates the screw, conveniently dismantles and installs enlarger and drilling rod, guarantees assembly efficiency; simultaneously, utilize the fixed pipeline that need lay that sets up of protecting the piping ring, the fixed different laying material of public lug that draws realizes reaming, clear hole and pipe laying's integration work, provide work efficiency greatly, and the pore-forming is effectual.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 isbase:Sub>A sectional view in the directionbase:Sub>A-base:Sub>A of fig. 2.

Wherein the reference numerals are: 1. an octagonal joint; 2. an injection hole; 3. an alloy cutter head; 4. a reamer; 5. hole milling devices; 6. a male puller nose; 7. a pipe protecting ring; 8. a transfer case; 9. cleaning the hole; 10. a connecting flange; 11. a sludge discharge hole; 12. and (7) water injection holes.

Detailed Description

The present invention will be described in more detail with reference to the following examples.

As shown in fig. 1 to 3, the trenchless apparatus integrating reaming, hole cleaning and pipe laying in this embodiment includes, as shown in fig. 1, a reamer 4, a hole milling device 5 and a transfer case 8, the reamer 4 is fixedly sleeved outside the transfer case 8, the hole milling device 5 is rotatably connected to an output end of the transfer case 8, the reamer 4 and the hole milling device 5 are concentrically arranged, one end of the reamer 4, which is far away from the hole milling device 5, is conically arranged, an input end of the transfer case 8 is in transmission connection with a transmission shaft, and a free end of the transmission shaft is fixedly connected to an octagonal joint 1 after rotating to penetrate through an end of the reamer 4; the free end of the hole milling device 5 is integrally connected with a concentrically arranged protective tube ring 7, and the outer diameter of the protective tube ring 7 is smaller than that of the hole milling device 5.

Furthermore, the inside of the hole milling device 5 is connected with a male tab 6 through a connecting flange 10, and the free end of the male tab 6 extends out of the hole milling device 5 and extends into the pipe protecting ring 7.

Furthermore, a plurality of groups of cutter heads are uniformly fixed on the surface of the conical head of the reamer 4, and each group of cutter heads comprises a plurality of alloy cutter heads 3 which are arranged from the center to the outer edge of the reamer 4 in an arc shape.

Further, the surface of the conical head of the reamer 4 is provided with the injection hole 2, the transmission shaft is provided with the water injection hole 12, and the water injection hole 12 is communicated with the inside of the reamer 4.

Further, the reamer 4 is provided with a cleaning hole 9 at an end thereof adjacent to the hole miller 5.

Furthermore, one end of the hole milling device 5 close to the pipe protecting ring 7 is uniformly provided with a plurality of sludge discharging holes 11 along the circumferential direction.

The utility model discloses a theory of operation: during installation, the octagon of the outer shaft section of the octagon joint 1 is aligned with the outer octagon of the initial connecting rod in deformation, the internal thread of the octagon joint 1 is connected with the external thread of the initial connecting rod, and an inner octagon shaft sleeve is sleeved outside the outer octagon to ensure that the threaded connection bears push-pull force, and the octagon is matched to bear torque, so that the ultra-large torque during working of the utility model can be prevented from causing the over-tight screwing of the thread and inconvenient disassembly; the starting extension rod is connected with a drilling machine to drive the reamer 4 to rotate, and then the alloy cutter head 3 arranged on the upper surface of the reamer 4 is matched, so that hard soil layers or stones can be smashed when the starting extension rod rotates again, meanwhile, high-pressure water flow of the drilling machine is injected into an inner cavity of the reamer 4 from the water injection hole 12 through a drilling rod and then is injected outwards through the injection hole 2, soil leaked into the reamer 4 can be changed into slurry to be discharged outwards, and meanwhile, the high-pressure water can also cool the reamer 4; the hole milling device 5 plays a role in tamping the hole wall in the feeding process of the reamer 4, so that the stability of the hole wall is ensured, and meanwhile, the uneven hole wall is repaired and leveled; the pipeline to be laid is fixed on the pipe protecting ring 7, if the pipeline is a short cement pipe or a short PE pipe, a section of short pipe is tightly pressed together through the male pulling nose 6, and pipeline laying is carried out;

specifically, the cement pipe or the short PE pipe is one section and is 1-2 meters in length, the long PE pipe is welded well before the pipeline is laid, and the long PE pipe is welded for a long time, but the short PE pipe and the cement pipe cannot be welded, when the cement pipe or the short PE pipe is laid, the short pipes are sleeved on the pipe protection ring 7, the subsequent short pipes are connected with the back one by one, all the short pipes are in a loose state at the moment, the short drill pipes are connected with one another through the male pull nose 6, the oil cylinder group is connected with the back of the short pull rod, one end of the oil cylinder group is connected with the drill pipe, the other end of the oil cylinder group is connected with the end face of the last short pipe, and the oil cylinder group works by tightly pressing the short PE pipe or the cement pipe through the reactive force provided by the pull rod;

when there is a large amount of deposits inside the underreamer 4, the high pressure water injected by the drill can drain the deposits from the clean hole 9, preventing clogging.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. 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.

Claims

1. The utility model provides a collect reaming, clear hole, integrative non-excavation equipment is laid to pipeline which characterized in that: the reamer comprises a reamer (4), a hole milling device (5) and a transfer case (8), wherein the reamer (4) is fixedly sleeved outside the transfer case (8), the hole milling device (5) is rotatably connected with the output end of the transfer case (8), the reamer (4) and the hole milling device (5) are concentrically arranged, one end, far away from the hole milling device (5), of the reamer (4) is arranged in a conical shape, the input end of the transfer case (8) is in transmission connection with a transmission shaft, and the free end of the transmission shaft is fixedly connected with an octagonal joint (1) after penetrating through the end part of the reamer (4) in a rotating manner; the free end of the hole milling device (5) is integrally connected with a concentrically arranged protective tube ring (7), and the outer diameter of the protective tube ring (7) is smaller than that of the hole milling device (5).

2. The trenchless drilling equipment integrating reaming, hole cleaning and pipeline laying as claimed in claim 1, wherein: the interior of the hole milling device (5) is connected with a male pull nose (6) through a connecting flange (10), and the free end of the male pull nose (6) extends out of the hole milling device (5) and extends into the protective tube ring (7).

3. The trenchless drilling equipment integrating reaming, hole cleaning and pipeline laying as claimed in claim 1, wherein: a plurality of groups of tool bits are uniformly fixed on the surface of the conical head of the reamer (4), and each group of tool bits comprises a plurality of alloy tool bits (3) which are arranged from the center of the reamer (4) to the outer edge in an arc shape.

4. The trenchless drilling equipment integrating reaming, hole cleaning and pipeline laying as claimed in claim 1, wherein: the reamer (4) is provided with the jet hole (2), the transmission shaft is provided with the water injection hole (12), and the water injection hole (12) is communicated with the interior of the reamer (4).

5. The trenchless reaming, hole cleaning and pipe laying integrated equipment as claimed in claim 4, wherein the trenchless reaming, hole cleaning and pipe laying integrated equipment comprises: one end of the reamer (4) close to the hole milling machine (5) is provided with a cleaning hole (9).

6. The trenchless drilling equipment integrating reaming, hole cleaning and pipeline laying as claimed in claim 5, wherein: one end of the hole milling device (5) close to the pipe protecting ring (7) is uniformly provided with a plurality of silt discharging holes (11) along the circumferential direction.