CN118110837A - Pipe penetrating device for pipeline and construction method for pipeline penetrating through sleeve - Google Patents

Abstract

The invention discloses a pipe penetrating device for a pipeline and a construction method for the pipeline to penetrate through a sleeve, comprising a push pipe assembly and an auxiliary pulley, wherein the push pipe assembly comprises an end frame, the end frame is detachably arranged at the rear end of the pipeline, the end frame can be pulled to move forwards from back to back along the axial direction of the pipeline so as to push the pipeline to advance, and the auxiliary pulley is supported on the bottom surface of the pipeline and is used for assisting the pipeline to slide forwards; according to the pipe penetrating device for the pipeline and the construction method for the pipeline penetrating through the sleeve, the towed end frame is matched with the auxiliary pulley supported at the bottom of the pipeline, so that the resistance is smaller in the pipe penetrating process of the pipeline, the pushing of the pipeline is simpler, the construction difficulty is effectively reduced, the construction time is shortened, and the construction efficiency is improved.

Description

Pipe penetrating device for pipeline and construction method for pipeline penetrating through sleeve

Technical Field

The invention belongs to the technical field of building construction, and relates to a pipe penetrating device for a pipeline and a construction method for the pipeline to penetrate through a sleeve.

Background

In the field of long-distance heat supply, when a pipeline needs to pass through a highway, the highway is generally required to be excavated, a sleeve is installed and backfilled, and then a heating power pipeline is pushed from one side of the sleeve until the heating power pipeline passes through the sleeve. The construction of the penetrating sleeve in the prior art is to gradually push the heating power pipeline by manpower or installing a hydraulic device, but the heating power pipeline for long-distance conveying and heat supply has the characteristics of large weight and long length, so that the pipeline is very difficult to push into the sleeve by using manpower and light machinery, the weight of the pipeline is gradually increased along with the increase of the pushing length of the heating power pipeline, the required thrust is also increased along with the gradual increase of the pushing length of the heating power pipeline, the construction difficulty is large, the construction time is long and the construction efficiency is lower when the construction of the penetrating sleeve of the pipeline is carried out, and further the construction cost is increased and the economic benefit is reduced.

In order to solve the problems, a construction tool and a corresponding construction method for pipeline penetrating through a sleeve are needed to reduce construction difficulty and improve construction efficiency.

Disclosure of Invention

In view of the above, the invention provides a pipe penetrating device for a pipeline and a construction method for the pipeline to penetrate through a sleeve, and the towed end frame is matched with an auxiliary pulley supported at the bottom of the pipeline, so that the resistance in the pipe penetrating process of the pipeline is smaller, the pushing of the pipeline is simpler, the construction difficulty is effectively reduced, the construction time is shortened, and the construction efficiency is improved.

The utility model provides a poling device for pipeline, includes push away pipe subassembly and auxiliary pulley, push away pipe subassembly includes the end frame, end frame detachable installs in the rear end of pipeline, and the axial along the pipeline that the end frame can be towed is by back forward removal in order to promote the pipeline forward, auxiliary pulley supports in the bottom surface of pipeline is used for assisting the pipeline to slide forward.

Further, push away tub subassembly still includes drive arrangement and haulage rope, the tip of haulage rope is provided with two piece at least vice ropes, the end frame is provided with two at least and hangs the point, the one end of haulage rope is connected in drive arrangement, and the other end is connected to two of end frame hang the point through two vice ropes respectively corresponding, and drive arrangement pulls through the haulage rope the end frame.

Further, the auxiliary pulley comprises a frame, a support plate and an auxiliary arm group, wherein the frame is provided with travelling wheels, the support plate is arranged on the frame in a mode that the support plate can be driven to ascend and descend in the vertical direction, the auxiliary arm group comprises two auxiliary support arms which are symmetrically arranged, the top of each auxiliary support arm is provided with an auxiliary wheel, the support plate can be driven to ascend so as to be supported on the bottom surface of a pipeline, or the support plate can be driven to descend so that the auxiliary wheels are supported on the bottom surface of the pipeline.

Further, the push tube assembly further comprises two stand columns, the two stand columns are respectively and correspondingly arranged on two radial sides of the pipeline, any fixed pulleys are respectively arranged on the stand columns, and the two auxiliary ropes are respectively and correspondingly connected with hanging points of the end frames after bypassing the two fixed pulleys.

Further, the end frame is of a quadrangular pyramid frame structure formed by a plurality of frameworks, the bottom surface of the end frame is square, and a plurality of hanging points are uniformly arranged on the bottom surface of the end frame along the circumferential direction; the end frame is detachably arranged at the rear end of the pipeline in a mode that the cone top is inserted into the pipeline.

Further, the auxiliary support arm comprises a lower big arm and an upper big arm which are connected with each other, the lower big arm is vertically arranged on the frame, the upper big arm is obliquely arranged at the top of the lower big arm, the auxiliary wheel is rotatably arranged at the top of the upper big arm, and the rotation direction of the auxiliary wheel is the same as or opposite to the advancing direction of the pipeline.

Further, the bottom of the upper big arm is connected to the top of the lower big arm, the top of the upper big arm is inclined towards the direction close to the pipeline, and the bottom of the upper big arm is inclined towards the direction far away from the pipeline; an extension line of the central axis of the upper large arm is intersected with the central axis of the pipeline.

Further, the frame is a rectangular grid structure, and a plurality of groups of auxiliary arm groups are uniformly arranged on the frame along the axial direction of the pipeline.

Further, the auxiliary pulley further comprises a telescopic rod, the supporting plate is arranged on the frame through the telescopic rod, the top surface of the supporting plate is a cambered surface which is in shape with the surface of the pipeline, and an avoidance opening for avoiding the auxiliary wheel is formed in the position, corresponding to the auxiliary supporting arm, of the supporting plate; the auxiliary pulleys are arranged in a plurality from front to back along the axial direction of the pipeline.

The invention also discloses a construction method for the pipeline to pass through the sleeve, which is based on the pipe penetrating device for the pipeline and comprises the following steps:

S1, manufacturing an end frame in a welding mode according to the diameter of a sleeve and the diameter of a pipeline to be penetrated;

S2, after the upright post is fixed, a first auxiliary pulley is firstly placed at the position of an inlet of the sleeve, one end of the traction rope, on which the auxiliary rope is not mounted, is connected to the traction device, and the auxiliary rope of the traction rope is connected to a hanging point of the end frame.

S3, lifting the pipeline to be penetrated to the inlet position of the sleeve, erecting the front end of the pipeline on a supporting plate of the auxiliary pulley, and splicing the end frame at the tail end of the pipeline;

s4, starting a traction device, pulling the pipeline to move forwards through a traction rope, and adding an auxiliary pulley to the bottom of the pipeline at intervals along with the advancing of the pipeline;

s5, after the pipe penetrating of the pipeline is completed, the supporting plate is lowered, the auxiliary pulley is supported on the pipeline, and then the auxiliary pulley is pulled out.

The invention has the beneficial effects that:

The invention discloses a pipe penetrating device for a pipeline and a construction method for the pipeline to penetrate through a sleeve, wherein a towed end frame is matched with an auxiliary pulley supported at the bottom of the pipeline, so that the resistance in the pipe penetrating process of the pipeline is smaller, and the pushing of the pipeline is simpler; the two auxiliary ropes are used for connecting the end frames for traction, the stress of the end frames is more uniform and reasonable, and the end frames with the conical structures further enable the stress of the pipeline to be more uniform, so that the pipeline can stably enter the sleeve, the propulsion is more stable, the pipe orifice cannot deform, and the project cost is greatly reduced; after the pipe penetrating is completed, the auxiliary pulley can lower the supporting plate, and the auxiliary arm group is used for supporting the pipeline, so that the recovery of the auxiliary pulley which is retained in the middle of the sleeve is facilitated. The fixed pulleys are arranged, so that the direction of traction force can be changed, traction equipment is not limited by conditions such as terrain and the like, and the selection range is wider. The invention has the advantages of simple operation and convenient use, effectively reduces the construction difficulty, shortens the construction time, improves the construction efficiency, further reduces the construction cost and improves the economic benefit. The pipe penetrating device for the pipeline is not limited in use condition, and can be widely applied to construction of penetrating through the sleeve pipe, such as water supply and drainage, a gas pipeline and the like.

Drawings

FIG. 1 is a schematic diagram of the front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a front view of the auxiliary sled of the present invention;

FIG. 4 is a left side view of the auxiliary sled of the present invention;

FIG. 5 is a top view of the auxiliary sled of the present invention;

FIG. 6 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 7 is a cross-sectional view at B-B in FIG. 5 when the support plate is raised;

FIG. 8 is a cross-sectional view at B-B in FIG. 5 as the support plate is lowered;

FIG. 9 is a front view of an end frame of the present invention;

fig. 10 is a top view of the end frame of the present invention.

Detailed Description

It should be noted that, in the description of the present specification, the terms "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the present embodiment, the advancing direction of the pipe passing through the pipe is defined as the front.

As shown in the drawings, the embodiment of the invention discloses a pipe penetrating device for a pipeline 5, which comprises a push pipe assembly and an auxiliary pulley 1, wherein the push pipe assembly comprises an end frame 2, the end frame 2 is detachably arranged at the rear end of the pipeline 5, the end frame 2 can be pulled to move backwards and forwards along the axial direction of the pipeline 5 so as to push the pipeline 5 to advance, and the auxiliary pulley 1 is supported on the bottom surface of the pipeline 5 for assisting the pipeline 5 to slide forwards. The towed end frame 2 is matched with the auxiliary pulley 1 supported at the bottom of the pipeline 5, so that the resistance is smaller in the process of penetrating the pipeline 5, and the pushing of the pipeline 5 is simpler.

In this embodiment, the push tube assembly further includes a driving device and a traction rope 7, at least two auxiliary ropes 701 are disposed at the end portion of the traction rope 7, at least two hanging points 201 are disposed on the end frame 2, one end of the traction rope 7 is connected to the driving device, the other end of the traction rope is connected to the two hanging points 201 of the end frame 2 through the two auxiliary ropes 701, and the driving device pulls the end frame 2 through the traction rope 7. In this embodiment, the push tube assembly further includes two columns 3, two columns 3 are disposed on two radial sides of the pipe 5, any one of the columns 3 is provided with a fixed pulley 4, and two auxiliary ropes 701 respectively bypass the two fixed pulleys 4 and are connected to the hanging point 201 of the end frame 2. In the embodiment, the upright post 3 is fixedly embedded into the tunnel at the construction position of the penetrating pipe, preferably, the upright post 3 is driven into bedrock, and the upright post 3 is arranged close to the inlet of the sleeve 6; the hauling rope 7 adopts wire rope, and the one end of hauling rope 7 divide into two, constitutes two vice ropes 701, and two vice ropes 701 are connected to the string point 201 of end frame 2 after bypassing two pulleys respectively for drive arrangement pulls in everywhere, and end frame 2 all receives the axial forward traction force. The traction device in this embodiment is a crane, the upward tension of the crane can be converted into the traction force of the opposite end frame 2, the stress of the opposite end frame 2 is more uniform and reasonable, the stress of the pipeline 5 is more uniform, the pipeline 5 can stably enter the sleeve 6, the propulsion is more stable, and the traction device can also select common traction equipment such as winches according to the actual topography and topography.

In this embodiment, the auxiliary pulley 1 includes a frame 13, a support plate 11 and an auxiliary arm set, the frame 13 is provided with a travelling wheel 14, the support plate 11 is installed on the frame 13 in a manner that the support plate can be driven to lift in a vertical direction, the auxiliary arm set includes two auxiliary support arms 9 symmetrically arranged, an auxiliary wheel 10 is installed on top of the auxiliary support arms 9, the support plate 11 can be driven to lift so as to be supported on the bottom surface of the pipeline 5, or the support plate 11 can be driven to descend so that the auxiliary wheel 10 is supported on the bottom surface of the pipeline 5. In this embodiment, the auxiliary arm 9 includes a lower large arm 901 and an upper large arm 902 which are connected to each other, the lower large arm 901 is vertically mounted on the frame 13, the upper large arm 902 is obliquely mounted on the top of the lower large arm 901, the auxiliary wheel 10 is rotatably mounted on the top of the upper large arm 902, and the rotation direction of the auxiliary wheel 10 is the same as or opposite to the advancing direction of the pipe 5. In this embodiment, the bottom of the upper large arm 902 is connected to the top of the lower large arm 901, the top of the upper large arm 902 is inclined in a direction approaching the pipeline 5, and the bottom of the upper large arm 902 is inclined in a direction separating from the pipeline 5; an extension line of the central axis of the upper large arm 902 intersects with the central axis of the pipe 5. In this embodiment, the auxiliary pulley 1 further includes a telescopic rod 12, the supporting plate 11 is mounted on the frame 13 through the telescopic rod 12, the top surface of the supporting plate 11 is a cambered surface that conforms to the surface of the pipeline 5, and an avoidance opening 15 for avoiding the auxiliary wheel 10 is provided at a position of the supporting plate 11 corresponding to the auxiliary supporting arm 9; the auxiliary trolley 1 is provided with a plurality of auxiliary trolleys from front to back along the axial direction of the pipeline 5. When the sleeve 6 passes through, as the heating pipeline 5 is longer, or the sleeve 6 to be passed through is longer, the auxiliary pulley 1 needs to be added along with the advance of the pipeline 5, when the pipeline 5 passes through, the auxiliary pulley 1 stays in the sleeve 6, the cost is controlled, the supporting plate 11 of the trolley is designed to be liftable, the supporting plate 11 is lifted when the pipeline passes through, the auxiliary wheel 10 is hidden under the supporting plate 11, as shown in fig. 7, the top surface of the supporting plate 11 is conformably attached to the bottom surface of the pipeline 5, and the pipeline 5 can be supported and assisted to advance; after the pipe penetrating is completed, the supporting plate 11 is lowered, the auxiliary wheel 10 is exposed and supported at the bottom of the pipeline 5, and the auxiliary wheel can be pulled out of the sleeve 6, so that the recovery of the trolley is realized. The telescopic rod 12 in the embodiment is preferably a hydraulic remote control telescopic rod 12, has strong bearing capacity and is convenient to control. The extension line of the central axis of the upper large arm 902 is intersected with the central axis of the pipeline 5, and the pressure of the pipeline 5 under the structure can be smoothly transmitted to the frame 13 through the auxiliary support arm 9, so that the bearing capacity of the auxiliary support arm 9 is effectively improved. The specific number of auxiliary blocks 1 can then be adjusted according to the length of the pipe 5 or the sleeve 6. The rotation direction of the auxiliary wheel 10 is preferably bidirectional, so that the auxiliary wheel is convenient to recycle according to actual conditions, and of course, unidirectional rotation can be also adopted; the avoidance port 15 is for avoiding the auxiliary wheel 10 during the lifting of the support plate 11.

In this embodiment, the end frame 2 is a quadrangular pyramid frame structure formed by a plurality of frameworks, the bottom surface of the end frame 2 is square, and a plurality of hanging points 201 are uniformly arranged on the bottom surface of the end frame 2 along the circumferential direction; the end frame 2 is detachably arranged at the rear end of the pipeline 5 in a mode that a cone top is inserted into the pipeline 5. As shown in the figure, the end frame 2 is a quadrangular prism frame structure supported by steel bars or flat irons and other materials through welding, and the structure further ensures that the stress of the pipeline 5 is uniform, so that the pipeline 5 stably enters the sleeve 6, the propulsion is more stable, the pipe orifice cannot deform, and the project cost is greatly reduced. In this embodiment, the hanging points 201 are hooks, or horseshoe buckles or the like may be used, and the hanging points 201 are provided with four, and four vertex angles distributed on the bottom surface of the end frame 2, as shown in fig. 10.

In this embodiment, the frame 13 is a rectangular grid structure, and multiple groups of auxiliary arm groups are uniformly arranged on the frame 13 along the axial direction of the pipeline 5. The auxiliary arm groups in the embodiment are provided with two groups, and the latticed frame 13 can ensure the bearing strength of the vehicle body and simultaneously reduce the weight of the vehicle body.

The embodiment of the invention also discloses a construction method for the pipeline 5 to pass through the sleeve 6, which is based on the pipe penetrating device for the pipeline 5 and specifically comprises the following steps:

S1, manufacturing an end frame 2 in a welding mode according to the diameter of a sleeve 6 and the diameter of a pipeline 5 to be penetrated; the end frame 2 is manufactured on site by welding using flat steel and hooks, wherein the length of the diagonal line of the bottom surface of the end frame 2 is larger than the diameter of the pipeline 5, and the depth of the end frame 2 inserted into the pipeline 5 is not less than one third of the height of the end frame 2.

Before pipe penetrating construction, the ground 8 needs to be excavated first, and the sleeve 6 is pre-buried in place, which is a conventional technical method in the technical field, so that details are omitted, and the method mainly aims at how to push the pipeline 5 for development.

S2, after the upright post 3 is fixed, the first auxiliary pulley 1 is placed at the inlet position of the sleeve 6, one end of the traction rope 7, on which the auxiliary rope 701 is not mounted, is connected to the traction device, and the auxiliary rope 701 of the traction rope 7 is connected to the hanging point 201 of the end frame 2. The traction device of this embodiment is a crane, the hook of which is located axially above the pipe 5 and in the same vertical plane as the two fixed pulleys 4.

S3, lifting the pipeline 5 to be penetrated to the inlet position of the sleeve 6, erecting the front end frame 2 of the pipeline 5 on the supporting plate 11 of the auxiliary pulley 1, and splicing the end frame 2 at the tail end of the pipeline 5;

S4, starting a traction device, pulling the pipeline 5 to move forwards through a traction rope 7, and adding an auxiliary pulley 1 to the bottom of the pipeline 5 at intervals along with the advancing of the pipeline 5; the hauling cable 7 is pulled at a constant speed by using the crane, so that the pipeline 5 can advance at a constant speed.

S5, after the pipe 5 is penetrated, the supporting plate 11 is lowered, the auxiliary wheel 10 is supported on the pipe 5, and the auxiliary pulley 1 is pulled out. Before the trolley is placed, a rope can be bound on the trolley frame 13, and after the pipe penetrating is completed, the auxiliary trolley 1 is pulled out through the rope, so that the recovery of the auxiliary trolley 1 is realized.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (10)

1. A pipe threading device for a pipe, characterized by: the device comprises a push tube assembly and an auxiliary pulley, wherein the push tube assembly comprises an end frame, the end frame is detachably arranged at the rear end of a pipeline, the end frame can be pulled to move forwards from back to back along the axial direction of the pipeline so as to push the pipeline to advance, and the auxiliary pulley is supported on the bottom surface of the pipeline and is used for assisting the pipeline to slide forwards.

2. A tube threading device for a pipeline according to claim 1 wherein: the push tube assembly further comprises a driving device and a traction rope, at least two auxiliary ropes are arranged at the end parts of the traction rope, at least two hanging points are arranged on the end frame, one end of the traction rope is connected to the driving device, the other end of the traction rope is connected to the two hanging points of the end frame through the two auxiliary ropes, and the driving device pulls the end frame through the traction rope.

3. A tube threading device for a pipeline according to claim 1 wherein: the auxiliary pulley comprises a frame, a supporting plate and an auxiliary arm group, wherein the frame is provided with travelling wheels, the supporting plate is arranged on the frame in a mode that the supporting plate can be driven to rise and fall in the vertical direction, the auxiliary arm group comprises two auxiliary supporting arms which are symmetrically arranged, the top of each auxiliary supporting arm is provided with an auxiliary wheel, the supporting plate can be driven to rise to be supported on the bottom surface of a pipeline, or the supporting plate can be driven to descend to enable the auxiliary wheels to be supported on the bottom surface of the pipeline.

4. A tube threading device for a pipeline according to claim 2 wherein: the push tube assembly further comprises two stand columns, the two stand columns are respectively and correspondingly arranged on two radial sides of the pipeline, any fixed pulleys are respectively arranged on the stand columns, and the two auxiliary ropes are respectively and correspondingly connected with hanging points of the end frames after bypassing the two fixed pulleys.

5. A tube threading device for a pipeline according to claim 2 wherein: the end frame is of a quadrangular pyramid frame structure formed by a plurality of skeletons, the bottom surface of the end frame is square, and a plurality of hanging points are uniformly arranged on the bottom surface of the end frame along the circumferential direction; the end frame is detachably arranged at the rear end of the pipeline in a mode that the cone top is inserted into the pipeline.

6. A pipe threading device for pipes according to claim 3 wherein: the auxiliary support arm comprises a lower big arm and an upper big arm which are connected with each other, the lower big arm is vertically arranged on the frame, the upper big arm is obliquely arranged at the top of the lower big arm, the auxiliary wheel is rotatably arranged at the top of the upper big arm, and the rotation direction of the auxiliary wheel is the same as or opposite to the advancing direction of the pipeline.

7. A tube penetrating apparatus for a pipe according to claim 6, wherein: the bottom of the upper big arm is connected with the top of the lower big arm, the top of the upper big arm is inclined towards the direction close to the pipeline, and the bottom of the upper big arm is inclined towards the direction far away from the pipeline; an extension line of the central axis of the upper large arm is intersected with the central axis of the pipeline.

8. A pipe threading device for pipes according to claim 3 wherein: the frame is rectangular grid-shaped structure, and the frame is provided with a plurality of groups of auxiliary arm groups along the axial direction of the pipeline.

9. A pipe threading device for pipes according to claim 3 wherein: the auxiliary pulley further comprises a telescopic rod, the supporting plate is arranged on the frame through the telescopic rod, the top surface of the supporting plate is a cambered surface which is in shape with the surface of the pipeline, and an avoidance opening for avoiding the auxiliary wheel is formed in the position, corresponding to the auxiliary supporting arm, of the supporting plate; the auxiliary pulleys are arranged in a plurality from front to back along the axial direction of the pipeline.

10. A construction method for a pipeline to pass through a sleeve is characterized by comprising the following steps: the method is based on a pipe threading device for pipes according to any of claims 1 to 9, comprising in particular the steps of:

S1, manufacturing an end frame in a welding mode according to the diameter of a sleeve and the diameter of a pipeline to be penetrated;

S2, after the upright post is fixed, a first auxiliary pulley is firstly placed at the position of an inlet of the sleeve, one end of the traction rope, on which the auxiliary rope is not mounted, is connected to the traction device, and the auxiliary rope of the traction rope is connected to a hanging point of the end frame.

S3, lifting the pipeline to be penetrated to the inlet position of the sleeve, erecting the front end of the pipeline on a supporting plate of the auxiliary pulley, and splicing the end frame at the tail end of the pipeline;

s4, starting a traction device, pulling the pipeline to move forwards through a traction rope, and adding an auxiliary pulley to the bottom of the pipeline at intervals along with the advancing of the pipeline;

s5, after the pipe penetrating of the pipeline is completed, the supporting plate is lowered, the auxiliary pulley is supported on the pipeline, and then the auxiliary pulley is pulled out.