A PCCP pipe hoisting and laying device and laying method thereof

Abstract

The present invention relates to the technical field of pipe handling equipment, and in particular to a PCCP pipe hoisting and laying device and a laying method thereof. The PCCP pipe hoisting and laying device comprises: a pair of guide rails arranged in parallel at the bottom of the inner cavity of a foundation pit, with any one of the guide rails arranged along the guide of the foundation pit; a pair of gantry cranes arranged on the pair of guide rails, with a pair of trolleys of any one of the gantry cranes respectively connected to the pair of guide rails for hoisting and carrying the pipes to be laid; a winch fixedly arranged in the foundation pit, with the execution end of the winch connected to the pipes; a control terminal electrically connected to the pair of gantry cranes and the winch, for controlling the operation of the pair of gantry cranes and the winch; a pair of auxiliary docking modules arranged in the foundation pit, with the pipes located between the pair of auxiliary docking modules for assisting the docking of the pipes to be laid with the already laid pipes. The present invention solves the problem of high safety risks in pipe hoisting and docking operations in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of pipe handling equipment, and in particular to a PCCP pipe hoisting and laying device and a laying method thereof. Background Art

[0002] PCCP (Prestressed Concrete Cylinder Pipe) is a water pipe made by wrapping a prestressed steel wire around a high-strength concrete core with a steel cylinder, then spraying a dense cement mortar protective layer on top. It is a composite pipe made of thin steel plates, high-strength steel wire, and concrete.

[0003] During the laying of large-diameter PCCP pipes, when the pipes are connected, two drivers are generally required to drive two truck cranes or crawler cranes on the construction access road respectively, lift the two ends of the pipe to be laid in the foundation pit, and connect the pipe ends of the pipe to be laid in the foundation pit with the pipe ends of the laid pipe. During this process, at least one worker is required to stand on the side of the end of the pipe laid in the foundation pit to direct, which requires a high degree of coordination between the three and poses a high safety risk to the operation. Summary of the Invention

[0004] In order to solve the technical problems existing in the prior art, an embodiment of the present invention provides a PCCP pipe hoisting and laying device, comprising:

[0005] A pair of guide rails are arranged in parallel at the bottom of the inner cavity of the foundation pit, and any one of the guide rails is arranged along the guide of the foundation pit;

[0006] A pair of gantry cranes are installed on a pair of guide rails. A pair of trolleys of each gantry crane are respectively connected to the pair of guide rails. The lifting devices of the pair of gantry cranes are respectively connected to the two ends of the pipes for lifting and transporting the pipes to be laid.

[0007] The winch is fixed in the foundation pit, and the execution end of the winch is connected to the pipe;

[0008] The control terminal is electrically connected to a pair of gantry cranes and a winch, and is used to control the operation of the pair of gantry cranes and the winch.

[0009] Furthermore, the device also includes: a pair of auxiliary docking modules, which are arranged in the foundation pit, and the pipes are located between the pair of auxiliary docking modules, and the auxiliary docking modules are used to assist the pipes to be laid to dock with the pipes that have been laid.

[0010] Furthermore, the auxiliary docking module includes:

[0011] A pair of bearing brackets are arranged at the bottom of the inner cavity of the foundation pit, and a pair of bearing brackets are located on one side of the pipe to support the pipe;

[0012] A pair of assembly protrusions are respectively fixedly arranged on a pair of bearing brackets.

[0013] Furthermore, the supporting bracket includes:

[0014] A bottom plate is movably arranged in the cavity between the pipe and the bottom of the inner cavity of the foundation pit;

[0015] The side panels are fixed on the top of the bottom plate, perpendicular to the bottom plate, and arranged in parallel with the pipes;

[0016] The baffle is fixedly arranged on the top of the bottom plate, the baffle is fixedly connected to the side plate, and is located in a space enclosed by the bottom plate, the side plate and the pipe.

[0017] Furthermore, the auxiliary docking module also includes: a padding assembly, which is arranged on a pair of bearing brackets, and the padding assembly is connected to a pair of assembly protrusions, and is used to fill soil between the pipe and the bottom of the inner cavity of the foundation pit.

[0018] Furthermore, the pad assembly includes:

[0019] A fixed bracket, fixedly arranged at the bottom of the inner cavity of the foundation pit;

[0020] A pair of first assembly notches are respectively provided on the side plates of the pair of support brackets, the positions of the pair of first assembly notches match each other, the pair of first assembly notches are combined to form a feed port, and the feed port is connected to the cavity between the pair of baffles;

[0021] The feeding channel is arranged on one side of a pair of supporting brackets, the input port of the feeding channel is arranged on the top of the feeding channel, and the output port of the feeding channel is connected with the feeding port;

[0022] A pair of first clamping grooves are provided on the end surface of the output end of the feeding channel, and the pair of first clamping grooves are respectively engaged with the pair of assembly protrusions for fixing the feeding channel on the pair of supporting brackets;

[0023] A push plate is movably arranged in the inner cavity of the feeding channel, and the push plate matches the radial cross-sectional shape of the inner cavity of the feeding channel;

[0024] A one-way damping telescopic rod is fixedly arranged on the fixed bracket, and the head end of the one-way damping telescopic rod is hinged to the push plate;

[0025] An electric telescopic rod is arranged on a fixed bracket, and a tail end of the electric telescopic rod is hinged to the fixed bracket;

[0026] The hinge mechanism is arranged at the head end of the inner rod of the electric telescopic rod. The hinge mechanism is connected to the push plate and is used for hingedly assembling the head end of the inner rod on the push plate.

[0027] Furthermore, the hinge mechanism comprises:

[0028] The accommodating groove is provided at the head end of the inner rod and is arranged along the axial direction of the inner rod;

[0029] A pressure sensor is fixedly mounted on the bottom wall of the inner cavity of the accommodating tank, and the pressure sensor is electrically connected to the electric telescopic rod;

[0030] A first hinged protrusion is fixedly arranged on the push plate;

[0031] A first hinge hole is provided on the first hinge protrusion;

[0032] a second hinged protrusion movably disposed in the inner cavity of the accommodating groove, wherein the tail end of the second hinged protrusion is connected to the detection end of the pressure sensor, the tail end of the second hinged protrusion is slidably connected to the inner cavity side wall of the accommodating groove, and the head end of the second hinged protrusion protrudes from the head end surface of the inner rod;

[0033] a fillet portion, provided at the intersection of the head end surface of the second hinged protrusion and the top surface of the second hinged protrusion;

[0034] A second hinge hole is formed on the second hinge protrusion, wherein the central axis of the second hinge hole is collinear with the central axis of the rounded corner portion;

[0035] An assembly groove is formed at the head end of the second hinge protrusion, the assembly groove is exposed on the top surface of the second hinge protrusion, the first hinge protrusion is movably inserted into the assembly groove, and the central axes of the first hinge hole and the second hinge hole are collinear;

[0036] a screw rod inserted into the second hinge hole and the first hinge hole, and used for hingedly assembling the head end of the second hinge protrusion on the first hinge protrusion;

[0037] The nut is sleeved on the screw rod, and the nut is threadably connected to the screw rod, and is used to lock the screw rod on the second hinge protrusion and the first hinge protrusion.

[0038] Furthermore, the auxiliary docking module also includes: a guide component, which is arranged on a pair of bearing brackets and is used to guide the pipes to be laid.

[0039] Furthermore, the one-way damping telescopic rod includes:

[0040] The first guide member is fixedly arranged on the fixed bracket, the first guide member is a cylindrical member, and the head end of the first guide member adopts an open design;

[0041] The second guide member is movably inserted into the inner cavity of the first guide member, and the tail end of the second guide member is slidably connected to the inner cavity side wall of the first guide member along the axial direction of the first guide member. The second guide member is a cylindrical member, and the head end of the second guide member adopts an open design. The circumferential side wall surface of the second guide member is closely attached to the circumferential inner cavity side wall surface of the first guide member;

[0042] A first elastic member is disposed in the inner cavity of the first guide member, with two ends of the first elastic member respectively connected to the inner cavity bottom wall of the first guide member and the tail end of the second guide member, for driving the second guide member to reset;

[0043] an air guide hole, which is provided at the rear end of the second guide member, and connects the inner cavity of the second guide member with the inner cavity of the first guide member;

[0044] a first air guide tube, disposed on a circumferential outer wall of the first guide member, one end of the first air guide tube being in communication with the inner cavity of the first guide member;

[0045] a second air guide tube, disposed on a circumferential outer wall of the first guide member, one end of the second air guide tube being in communication with the inner cavity of the first guide member;

[0046] a one-way valve, provided on the first air duct, for controlling the flow direction of the medium flowing through the first air duct;

[0047] an electrically controlled valve, provided on the second air duct, for adjusting the flow of the second air duct;

[0048] a third guide member movably inserted into the inner cavity of the second guide member, wherein the tail end of the third guide member is slidably connected to the inner cavity side wall of the second guide member along the axial direction of the second guide member, the head end of the third guide member is hinged to the push plate, and the circumferential side wall surface of the third guide member is closely attached to the circumferential inner cavity side wall surface of the second guide member;

[0049] The second elastic member is arranged in the inner cavity of the second guide member. The two ends of the second elastic member are respectively connected to the inner cavity bottom wall of the second guide member and the tail end of the third guide member, and are used to drive the third guide member to reset.

[0050] Furthermore, the guide component includes:

[0051] A second assembly notch is provided on the side plate of the support bracket close to the pipe end, and the second assembly notch is exposed on the top surface of the side plate;

[0052] A guide rod is fixedly arranged on the bottom wall of the inner cavity of the second assembly notch, and the guide rod is vertically arranged along the height direction of the supporting bracket;

[0053] An assembly plate is arranged on the outer sides of a pair of supporting brackets;

[0054] A pair of second card slots are provided on the assembly plate, and the pair of second card slots are respectively engaged with the pair of assembly protrusions for fixing the assembly plate on the pair of supporting brackets;

[0055] A tubular guide piece is fixedly mounted on the assembly plate and movably sleeved on the guide rod for guiding the assembly plate;

[0056] The guide plate is fixedly arranged on the top of the assembly plate and extends toward the outside of the pipe to guide the pipe to be laid.

[0057] In another embodiment of the present invention, a PCCP pipe hoisting and laying method is provided, which is implemented using the above-mentioned PCCP pipe hoisting and laying device and includes the following steps:

[0058] Set up height limit frames on both sides of the high-voltage wires on the construction access road;

[0059] A pair of auxiliary docking modules are arranged oppositely on both sides of the laid pipe;

[0060] The crawler crane hoists and carries the pipes to be laid into the foundation pit;

[0061] A pair of gantry cranes hoist and move the pipes to be laid near the already laid pipes;

[0062] Connect the execution end of the winch to the pipe to be laid;

[0063] Apply lubricant to the pipe ends to be laid;

[0064] A pair of gantry cranes lift the pipes to be laid again and connect the pipe ends of the pipes to be laid with the pipe ends of the laid pipes;

[0065] A pair of auxiliary docking modules are arranged on both sides of the pipe to be laid to position the pipe with padding.

[0066] The PCCP pipe hoisting and laying device according to the embodiment of the present invention has the following beneficial effects:

[0067] 1. This device sets guide rails, gantry cranes, winches and control terminals in the foundation pit. Only one person can operate the control terminal to control a pair of gantry cranes and winches to work together to complete the purpose of lifting and docking pipes, thereby solving the problem of high safety risks in pipe lifting and docking operations in the existing technology.

[0068] 2. This device provides a hinge mechanism between the inner rod head end of the electric telescopic rod and the push plate, and provides a one-way damping telescopic rod on the lower side of the electric telescopic rod. In the process of driving the push plate to move toward the side of the fixed bracket, the electric telescopic rod can use the rotation connection between the one-way damping telescopic rod and the push plate as a fulcrum to flip toward the side of the fixed bracket. In this process, the flipping action of the lower part of the push plate is used to further press the soil located in the lower part of the inner cavity of the filling cavity, so that part of the soil located in the upper part of the inner cavity of the filling cavity can collapse to the lower part of the inner cavity of the filling cavity, so that it can be compacted to the lower part of the inner cavity of the filling cavity later, so as to achieve the purpose of enhancing the compactness of the soil filled to the bottom of the pipe by this device, thereby enhancing the soil filling effect of the cushioning component.

[0069] 3. This device uses a padding assembly to fill soil into the filling cavity, which can serve as a support for the pipe to prevent the pipe from lateral shaking. The soil filled in the filling cavity can also be used as a support for the load-bearing bracket to prevent the load-bearing bracket from a large degree of lateral flipping when the pipe to be laid hits the guide plate, thereby enhancing the assembly stability of the load-bearing bracket.

[0070] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0071] Figure 1 This is a schematic diagram of the main viewing angle when lifting pipes using an embodiment of the present invention;

[0072] Figure 2 A schematic diagram of a side view of the pipe hoisting operation using an embodiment of the present invention;

[0073] Figure 3 A schematic diagram of assembling a pair of supporting brackets of auxiliary docking modules according to an embodiment of the present invention;

[0074] Figure 4 A parts diagram of a load-bearing bracket according to an embodiment of the present invention;

[0075] Figure 5 is a schematic diagram of the assembly of a cushioning assembly according to an embodiment of the present invention;

[0076] Figure 6 for Figure 5 A partial enlarged schematic diagram of area A in the middle;

[0077] Figure 7 is a schematic diagram of the structural decomposition of a cushioning assembly according to an embodiment of the present invention;

[0078] Figure 8 A parts diagram of a feeding channel according to an embodiment of the present invention;

[0079] Figure 9 is a schematic diagram of the structural decomposition of the hinge mechanism according to an embodiment of the present invention;

[0080] Figure 10 Schematic diagram of the assembly of a one-way damping telescopic rod according to an embodiment of the present invention;

[0081] Figure 11 Schematic diagram of the internal structure of a one-way damping telescopic rod according to an embodiment of the present invention;

[0082] Figure 12 Schematic diagram of the flipping action of the push plate during the retraction and resetting process according to an embodiment of the present invention;

[0083] Figure 13 is a schematic diagram of the assembly of a pair of guide assemblies of auxiliary docking modules according to an embodiment of the present invention;

[0084] Figure 14 It is a schematic diagram of the structural decomposition of a guide assembly according to an embodiment of the present invention.

[0085] Description of the accompanying drawings:

[0086] 1-guide rail, 2-gantry crane, 31-bearing bracket, 311-side plate, 3111-assembly protrusion, 312-bottom plate, 313-baffle, 321-fixed bracket, 322-first assembly notch, 3221-feed port, 323-feeding channel, 3231-input port, 3232-output port, 3233-first slot, 324-push plate, 325-one-way damping telescopic rod, 3251-first guide member, 32511-first air guide pipe, 32512-one-way valve, 32513-second air guide pipe, 3252-second guide member, 32521-air guide hole, 3253-first elastic member, 3254-third guide member, 3255-second elastic member, 326-electric telescopic rod, 3261-inner rod, 327-hinge mechanism, 3271-first hinge protrusion, 32711-first hinge hole, 3272-second hinge protrusion, 32721-rounded corner, 32722-second hinge hole, 3273-assembly groove, 3274-screw, 3275-nut, 331-second assembly notch, 332-guide rod, 333-assembly plate, 3331-second slot, 3332-tubular guide member, 334-guide plate, 4-foundation pit. DETAILED DESCRIPTION

[0087] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to further illustrate the present invention.

[0088] The foregoing and other technical aspects, features, and benefits of the present invention will be more clearly understood in the following detailed description of the embodiments, which is accompanied by reference to the accompanying drawings. Directional terms such as up, down, left, right, front, and back, used in the following embodiments, are merely references to the accompanying drawings. Therefore, the directional terms used are for illustrative purposes only and are not intended to limit the present invention. Furthermore, identical reference numerals throughout the embodiments denote identical elements.

[0089] First, combine Figures 1 to 14 The PCCP pipe hoisting and laying device and the laying method thereof according to an embodiment of the present invention are described, which are used for laying PCCP pipes and have a wide range of application scenarios.

[0090] Specifically, if Figure 1 、 Figure 2As shown, the PCCP pipe hoisting and laying device of an embodiment of the present invention includes: a pair of guide rails 1, which are arranged in parallel at the bottom of the inner cavity of the foundation pit 4, and any one of the guide rails 1 is arranged along the guide of the foundation pit 4; a pair of gantry cranes 2, which are arranged on the pair of guide rails 1, and a pair of trolleys (not shown in the figure) of any one of the gantry cranes 2 are respectively connected to the pair of guide rails 1, and the lifting devices of the pair of gantry cranes 2 are respectively connected to the two ends of the pipe, for hoisting and transporting the pipe to be laid; a winch (not shown in the figure), which is fixedly arranged in the foundation pit 4, and the execution end of the winch is connected to the pipe; a control terminal (not shown in the figure), which is electrically connected to the pair of gantry cranes 2 and the winch, and is used to control the operation of the pair of gantry cranes 2 and the winch.

[0091] Further, if Figure 3 As shown, the device further comprises: a pair of auxiliary docking modules, which are arranged in the foundation pit 4, and the pipe is located between the pair of auxiliary docking modules, and the auxiliary docking modules are used to assist the pipe to be laid to dock with the pipe that has been laid.

[0092] Further, if Figure 3 As shown, the auxiliary docking module includes: a pair of supporting brackets 31, which are arranged at the bottom of the inner cavity of the foundation pit 4, and the pair of supporting brackets 31 are located on one side of the pipe for supporting the pipe; a pair of assembly protrusions 3111, which are respectively fixed on the pair of supporting brackets 31, and the pair of assembly protrusions 3111 are arranged in parallel, and any one of the assembly protrusions 3111 is vertically arranged along the height direction of the supporting bracket 31, and the assembly protrusion 3111 is a T-shaped protrusion.

[0093] Further, if Figure 3~Figure 4 As shown, the supporting bracket 31 includes: a bottom plate 312, which is movably arranged in the cavity between the pipe and the bottom of the inner cavity of the foundation pit 4, and the bottom plates 312 of a pair of supporting brackets 31 are not connected; a side plate 311, which is fixedly arranged on the top of the bottom plate 312, the side plate 311 is perpendicular to the bottom plate 312, the side plate 311 is arranged in parallel with the pipe, and the side plates 311 of a pair of supporting brackets 31 are fitted together; a baffle 313, which is fixedly arranged on the top of the bottom plate 312, the baffle 313 is fixedly connected to the side plate 311, and the baffle 313 is located in the space enclosed by the bottom plate 312, the side plate 311 and the pipe.

[0094] Further, if Figures 3 to 5 As shown, the auxiliary docking module further includes: a padding assembly, which is arranged on a pair of supporting brackets 31 , and the padding assembly is connected to a pair of assembly protrusions 3111 , and is used to fill soil between the pipe and the bottom of the inner cavity of the foundation pit 4 .

[0095] Further, if Figures 3 to 8As shown, the cushioning assembly includes: a fixed bracket 321, which is fixedly arranged at the bottom of the inner cavity of the foundation pit 4; a pair of first assembly notches 322, which are respectively opened on the side plates 311 of a pair of supporting brackets 31, and the positions of the pair of first assembly notches 322 match each other. The pair of first assembly notches 322 are combined to form a feed port 3221, and the feed port 3221 is connected to the cavity between the pair of baffles 313; a feeding channel 323, which is arranged on one side of a pair of supporting brackets 31, and the input port 3231 of the feeding channel 323 is arranged at the top of the feeding channel 323, and the output port 3232 of the feeding channel 323 is connected to the feed port 3221; a pair of first card grooves 3233, which are opened on the end face of the output port 3232 of the feeding channel 323, and the pair of first card grooves 32 33 are respectively engaged with a pair of assembly protrusions 3111, and are used to fix the feeding channel 323 on a pair of supporting brackets 31; the push plate 324 is movably arranged in the inner cavity of the feeding channel 323, and the push plate 324 matches the radial cross-sectional shape of the inner cavity of the feeding channel 323; the one-way damping telescopic rod 325 is fixedly arranged on the fixed bracket 321, and the head end of the one-way damping telescopic rod 325 is hinged to the push plate 324; the electric telescopic rod 326 is arranged on the fixed bracket 321, and the tail end of the electric telescopic rod 326 is hinged to the fixed bracket 321; the hinge mechanism 327 is arranged at the head end of the inner rod 3261 of the electric telescopic rod 326, and the hinge mechanism 327 is connected to the push plate 324, and is used to hinge the head end of the inner rod 3261 on the push plate 324.

[0096] During the operation of the soil cushioning assembly, the user fills soil into the upper feeding channel 323 through the input port 3231 of the feeding channel 323, and then the electric telescopic rod 326 and the one-way damping telescopic rod 325 drive the push plate 324 to push the soil toward the feeding port 3221, and push the soil through the feeding port 3221 into the filling cavity surrounded by the circumferential outer wall of the pipe and the bottom plate 312, side plate 311 and baffle 313 of a pair of supporting brackets 31, and reciprocates multiple times to fill and compact the soil in the filling cavity.

[0097] Further, if Figures 5 to 7 、 Figure 9The cam 328 is actuated by a spring 329 which is adapted to engage the cam 3291 and engage the spring 3292 with the spring 3293 engaging means for engaging the cam 3292. The cam 3293 is adapted to engage the cam 3291 with the spring 3293 engaging means for engaging the cam 3292. The second hinge hole 32722 is provided on the second hinge protrusion 3272, and the central axis of the second hinge hole 32722 is collinear with the central axis of the rounded portion 32721; the assembly groove 3273 is provided at the head end of the second hinge protrusion 3272, and the assembly groove 3273 is exposed on the top surface of the second hinge protrusion 3272, and the first hinge protrusion 3271 is movably inserted in the assembly groove 3273, and the first hinge hole 32711 is connected to the second hinge protrusion The central axes of the holes 32722 are colinear; the screw rod 3274 is inserted into the second hinge hole 32722 and the first hinge hole 32711, and is used to hinge the head end of the second hinge protrusion 3272 to be assembled on the first hinge protrusion 3271; the nut 3275 is sleeved on the screw rod 3274, and the nut 3275 is threadedly connected to the screw rod 3274, and is used to lock the screw rod 3274 on the second hinge protrusion 3272 and the first hinge protrusion 3271.

[0098] Further, if Figure 5 、 Figure 7 、 Figure 10 、 Figure 11As shown, the one-way damping telescopic rod 325 includes: a first guide member 3251, which is fixedly arranged on the fixed bracket 321, the first guide member 3251 is a cylindrical member, and the head end of the first guide member 3251 adopts an open design; a second guide member 3252, which is movably inserted into the inner cavity of the first guide member 3251, and the tail end of the second guide member 3252 is slidably connected to the inner cavity side wall of the first guide member 3251 along the axial direction of the first guide member 3251, the second guide member 3252 is a cylindrical member, and the head end of the second guide member 3252 adopts an open design, and the circumferential side wall surface of the second guide member 3252 is in close contact with the inner cavity side wall of the first guide member 3251. Circumferential inner cavity side wall surface; a first elastic member 3253, arranged in the inner cavity of the first guide member 3251, the two ends of the first elastic member 3253 are respectively connected to the inner cavity bottom wall of the first guide member 3251 and the tail end of the second guide member 3252, for driving the second guide member 3252 to reset; an air guide hole 32521, opened at the tail end of the second guide member 3252, the air guide hole 32521 connects the inner cavity of the second guide member 3252 with the inner cavity of the first guide member 3251; a first air guide tube 32511, arranged on the circumferential outer wall of the first guide member 3251, one end of the first air guide tube 32511 is connected to the first guide member 3 251; a second air guide tube 32513 is provided on the circumferential outer wall of the first guide member 3251, and one end of the second air guide tube 32513 is connected to the inner cavity of the first guide member 3251; a one-way valve 32512 is provided on the first air guide tube 32511, and is used to control the flow direction of the medium flowing through the first air guide tube 32511, so that the first air guide tube 32511 can only be used as a channel for external air to flow into the inner cavity of the first guide member 3251; an electric control valve (not shown in the figure) is provided on the second air guide tube 32513, and is used to adjust the flow of the second air guide tube 32513; a third guide member 3254 is movable Inserted in the inner cavity of the second guide member 3252, the tail end of the third guide member 3254 is slidingly connected to the inner cavity side wall of the second guide member 3252 along the axial direction of the second guide member 3252, the head end of the third guide member 3254 is hinged to the push plate 324, and the circumferential side wall surface of the third guide member 3254 is tightly attached to the circumferential inner cavity side wall surface of the second guide member 3252; the second elastic member 3255 is arranged in the inner cavity of the second guide member 3252, and the two ends of the second elastic member 3255 are respectively connected to the inner cavity bottom wall of the second guide member 3252 and the tail end of the third guide member 3254, for driving the third guide member 3254 to reset.

[0099] When the electric telescopic rod 326 drives the push plate 324 to push the soil in the feeding channel 323 toward the feeding port 3221, the end face of the inner rod 3261 of the electric telescopic rod 326 abuts against the push plate 324, causing the push plate 324 to move vertically in the inner cavity of the feeding channel 323 toward the feeding port 3221, and the one-way damping telescopic rod 325 is stretched under the elastic force of the first elastic member 3253 and the second elastic member 3255, and the outside air passes through the first air guide pipe 32511 and the second air guide pipe 3252. The tube 32513 flows into the inner cavity of the first guide member 3251 and the second guide member 3252. Since the width of the lower part of the filling cavity formed by the circumferential outer wall of the tube and the bottom plate 312, the side plate 311 and the baffle 313 of the pair of support brackets 31 is greater than the width of the upper part of the filling cavity, after the push plate 324 compacts the soil in the upper part of the filling cavity, there is still a certain amount of redundant space in the lower part of the filling cavity, causing the soil in the lower part of the filling cavity to remain relatively loose. Figures 5 to 12 As shown, in the process of the electric telescopic rod 326 driving the push plate 324 to move away from the filling cavity, the one-way damping telescopic rod 325 contracts accordingly, and the outside air only flows out from the inner cavity of the first guide member 3251 and the second guide member 3252 through the second air guide tube 32513, thereby increasing the contraction resistance of the one-way damping telescopic rod 325; in the process of the electric telescopic rod 326 driving the push plate 324 to move away from the filling cavity, the push plate 324 is flipped backward with the hinge position between the push plate 324 and the one-way damping telescopic rod 325 as the fulcrum, thereby causing the bottom of the push plate 324 to flip forward, further pressing the soil located in the lower part of the filling cavity, so that part of the soil located in the upper part of the filling cavity can collapse to the lower part of the filling cavity. According to the reciprocating cycle of the above steps, the soil collapsed in the lower part of the filling cavity can be subsequently compacted to the lower part of the filling cavity, so as to achieve the purpose of enhancing the compaction of the soil filled to the bottom of the pipe by the device.

[0100] Further, if Figure 3 、 Figure 4 、 Figure 13 As shown, the auxiliary docking module further includes: a guide assembly, which is arranged on a pair of supporting brackets 31 and is used to guide the pipes to be laid.

[0101] Further, if Figure 3 、 Figure 4 、 Figure 13 、 Figure 14As shown, the guide assembly includes: a second assembly notch 331, which is opened on the side plate 311 of the supporting bracket 31 near the side of the pipe end, and the second assembly notch 331 is exposed on the top surface of the side plate 311; a guide rod 332, which is fixedly arranged on the bottom wall of the inner cavity of the second assembly notch 331, and the guide rod 332 is vertically arranged along the height direction of the supporting bracket 31; an assembly plate 333, which is arranged on the outside of a pair of supporting brackets 31; a pair of second card grooves 3331, which are opened on the assembly plate 333, and the pair of second card grooves 3331 are respectively engaged with a pair of assembly protrusions 3111, for fixing the assembly plate 333 on the pair of supporting brackets 31; a tubular guide member 3332, which is fixedly arranged on the assembly plate 333, and the tubular guide member 3332 is movably sleeved on the guide rod 332, for guiding the assembly plate 333; a guide plate 334, which is fixedly arranged on the top of the assembly plate 333, and the guide plate 334 extends toward the outside of the pipe, for guiding the pipe to be laid.

[0102] When the gantry crane 2 is lifting the pipe to be laid and docking its pipe mouth with the laid pipe mouth, the user first removes the padding assembly of a pair of auxiliary docking modules from the supporting bracket 31. Then, the user engages the pair of second slots 3331 provided on the assembly plate 333 with the pair of assembly protrusions 3111 provided on the pair of supporting brackets 31, and uses the assembly plate 333 to block the feed port 3221. At the same time, the user puts the tubular guide 3332 provided on the assembly plate 333 on the guide rod 332, thereby achieving the purpose of fixing the assembly plate 333 and the guide plate 334 on the pair of supporting brackets 31. After the user completes the assembly of the assembly plates 333 and the guide plates 334 of a pair of auxiliary docking modules, the user controls the gantry crane 2 to lift the pipe to be laid and transports it to the top of the gap between the pair of guide plates 334. Then, the user controls the pipe to slowly descend and moves the pipe from the pair of guide plates 334 to the top of the gap. The top of the plate 334 is lowered between the pair of guide plates 334 until the pipe mouth of the to-be-laid pipe is aligned with the pipe mouth of the laid pipe. During this process, the pair of guide plates 334 play an auxiliary guiding role for the to-be-laid pipe to prevent the pipe from shaking slightly in the air during the lifting and transportation process, which makes it impossible to quickly align it with the pipe mouth of the laid pipe. After the pipe mouths are aligned, the user controls the gantry crane 2 to connect the pipe mouth of the to-be-laid pipe with the pipe mouth of the laid pipe. When the pipe mouth of the pipe shakes slightly during the process of lowering the pipe mouth between the pair of guide plates 334, the pair of guide plates 334 can help it stabilize quickly by blocking the pipe. During this process, when the guide plate 334 is hit by the pipe, it will be subjected to a force to flip toward the side of the fixed bracket 321, driving the bottom plate 312 of the supporting bracket 31 to tilt upward, expanding the gap between the bottom plate 312 and the bottom of the foundation pit 4, and facilitating the user to subsequently disassemble the supporting bracket 31.

[0103] After the pipe to be laid is connected to the pipe mouth after laying, the user will remove the guide assembly and the supporting bracket of the auxiliary docking module on both sides of the laid pipe, and rearrange the supporting bracket and the cushioning assembly of the pair of auxiliary docking modules on both sides of the pipe after docking, and use the cushioning assembly of the auxiliary docking module to fill the bottom of the docked pipe to prevent the docked pipe from shaking slightly sideways after the user removes the sling of the gantry crane 2 from the docked pipe. After filling the bottom of the docked pipe, the staff can enter the inner cavity of the pipe to carry out subsequent operations.

[0104] The disassembly process of a pair of load-bearing brackets equipped with a guide assembly is as follows: first, the user removes the assembly plate 333 and the guide plate 334 from the pair of load-bearing brackets 31. Then, the user controls the pair of load-bearing brackets 31 to move away from each other and separate the pair of load-bearing brackets 31. This completes the disassembly of the pair of load-bearing brackets 31, and the soil compacted at the bottom of the pipe remains at the bottom of the pipe.

[0105] In another embodiment of the present invention, a PCCP pipe hoisting and laying method is provided, which is implemented using the above-mentioned PCCP pipe hoisting and laying device and includes the following steps:

[0106] Step S1: Setting height limit frames on both sides of the high-voltage line on the construction access road;

[0107] Step S2: a pair of auxiliary docking modules are arranged opposite to each other on both sides of the laid pipe.

[0108] Step S3: The crawler crane hoists and transports the pipes to be laid into the foundation pit 4.

[0109] Step S4: A pair of gantry cranes 2 use their wire ropes and guide chains to lift and transport the pipes to be laid to the vicinity of the pipes that have been laid.

[0110] Step S5: The winch is fixedly arranged at an uphill position of the pipe to be laid, and the execution end of the winch is connected to the pipe to be laid.

[0111] Step S6: Apply lubricant to the pipe opening of the pipe to be laid.

[0112] Step S7: A pair of gantry cranes 2 lift the pipes to be laid again, and connect the pipe ends of the pipes to be laid with the pipe ends of the laid pipes for installation.

[0113] Furthermore, during the implementation of step S7, a winch is used to tightly pull the pipe to be laid to prevent the pipe from shaking significantly, and the pipe to be laid is installed using an inner pulling method.

[0114] Preferably, step S2 includes the following sub-steps:

[0115] Step S21: Arrange a pair of supporting brackets 31 on one side of the laid pipe.

[0116] Step S22 : Assemble the cushioning assembly onto the pair of supporting brackets 31 , so that the pair of first locking grooves 3233 are respectively engaged with the pair of assembly protrusions 3111 .

[0117] Step S23 : Filling the inner cavity of the upper feeding channel 323 with soil multiple times through the input port 3231 .

[0118] Step S24: the electric telescopic rod 326 drives the push plate 324 to reciprocate along the guide of the feeding channel 323, pushing and compacting the soil in the feeding channel 323 into the cavity between the pair of baffles, and supporting the laid pipe.

[0119] Step S25 : removing the cushioning assembly from the pair of supporting brackets 31 .

[0120] Step S26 : Assemble the guide assembly onto the pair of supporting brackets 31 , engage the pair of second slots 3331 with the pair of assembly protrusions 3111 respectively, and use the assembly plate 333 to block the feed port 3221 .

[0121] Above, refer to Figures 1 to 14 The PCCP pipe hoisting and laying device according to an embodiment of the present invention is described, which has the following beneficial effects:

[0122] 1. This device sets a guide rail 1, a gantry crane 2, a winch and a control terminal in the foundation pit 4. Only one person can operate the control terminal to control a pair of gantry cranes 2 and winches to work together to complete the purpose of lifting and docking the pipes, thereby solving the problem of high safety risks in pipe lifting and docking operations in the existing technology.

[0123] 2. This device provides a hinge mechanism 327 between the head end of the inner rod 3261 of the electric telescopic rod 326 and the push plate 324, and provides a one-way damping telescopic rod 325 on the lower side of the electric telescopic rod 326, so that when the electric telescopic rod 326 drives the push plate 324 to move toward the side of the fixed bracket 321, the rotation connection between the one-way damping telescopic rod 325 and the push plate 324 is used as a fulcrum to flip toward the side of the fixed bracket 321. In this process, the flipping action of the lower part of the push plate 324 is used to further press the soil located in the lower part of the filling cavity inner cavity, so that part of the soil located in the upper part of the filling cavity inner cavity can collapse to the lower part of the filling cavity inner cavity, so that it can be compacted to the lower part of the filling cavity inner cavity later, thereby achieving the purpose of enhancing the compactness of the soil filled into the bottom of the pipe by this device, thereby enhancing the soil filling effect of the cushioning component.

[0124] 3. This device uses a padding assembly to fill soil into the filling cavity, which can serve as a support for the pipe to prevent the pipe from lateral shaking. The soil filled in the filling cavity can also serve as a support for the supporting bracket 31 to prevent the supporting bracket 31 from a large degree of lateral flipping when the pipe to be laid hits the guide plate 334, thereby enhancing the assembly stability of the supporting bracket 31.

[0125] It should be noted that, in this specification, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, elements defined by the phrase "comprising..." do not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the elements.

[0126] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description is not intended to limit the present invention. After reading the above description, various modifications and substitutions of the present invention will become apparent to those skilled in the art. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A PCCP pipe hoisting and laying device, characterized in that: Include: A pair of guide rails are arranged in parallel at the bottom of the inner cavity of the foundation pit, and any one of the guide rails is arranged along the guide of the foundation pit; a pair of gantry cranes, arranged on the pair of guide rails, a pair of trolleys of any one of the gantry cranes being connected to the pair of guide rails, and a lifting device of the pair of gantry cranes being connected to both ends of the pipes, for lifting and transporting the pipes to be laid; A winch is fixedly arranged in the foundation pit, and an execution end of the winch is connected to the pipe; a control terminal electrically connected to the pair of gantry cranes and the hoist, and configured to control the operation of the pair of gantry cranes and the hoist; A pair of auxiliary docking modules are provided in the foundation pit, the pipe is located between the pair of auxiliary docking modules, and the auxiliary docking modules are used to assist the pipe to be laid in docking with the pipe that has been laid; The auxiliary docking module includes: A pair of supporting brackets are provided at the bottom of the inner cavity of the foundation pit, and the pair of supporting brackets are located on one side of the pipe and are used to support the pipe; A pair of assembly protrusions, respectively fixedly disposed on the pair of supporting brackets; The supporting bracket comprises: a bottom plate movably disposed in the cavity between the pipe and the bottom of the inner cavity of the foundation pit; A side plate is fixedly arranged on the top of the bottom plate, the side plate is perpendicular to the bottom plate, and the side plate is arranged in parallel with the pipe; a baffle, fixedly disposed on the top of the bottom plate, the baffle being fixedly connected to the side plate, and the baffle being located in a space enclosed by the bottom plate, the side plate, and the pipe; The auxiliary docking module further comprises: a padding assembly, which is arranged on the pair of bearing brackets, the padding assembly is connected to the pair of assembly protrusions, and is used to fill soil between the pipe and the bottom of the inner cavity of the foundation pit; The cushioning component comprises: A fixed bracket, fixedly arranged at the bottom of the inner cavity of the foundation pit; A pair of first assembly notches are respectively provided on the side plates of the pair of supporting brackets, the positions of the pair of first assembly notches match each other, the pair of first assembly notches are combined to form a feed port, and the feed port is connected to the cavity between the pair of baffles; A feeding channel is provided on one side of the pair of supporting brackets, an input port of the feeding channel is provided on the top of the feeding channel, and an output port of the feeding channel is connected to the feeding port; A pair of first clamping grooves are provided on the end surface of the output end of the feeding channel, the pair of first clamping grooves are respectively engaged with the pair of assembly protrusions, and are used to fix the feeding channel on the pair of supporting brackets; a push plate movably disposed in the inner cavity of the feeding channel, wherein the push plate matches the radial cross-sectional shape of the inner cavity of the feeding channel; a one-way damping telescopic rod, fixedly arranged on the fixed bracket, wherein the head end of the one-way damping telescopic rod is hinged to the push plate and is used for elastically supporting the push plate; An electric telescopic rod is arranged on the fixed bracket, and the tail end of the electric telescopic rod is hinged to the fixed bracket; The hinge mechanism is arranged at the head end of the inner rod of the electric telescopic rod. The hinge mechanism is connected to the push plate and is used to hinge the head end of the inner rod to the push plate.

2. The PCCP pipe hoisting and laying device according to claim 1, characterized in that: The hinge mechanism comprises: an accommodating groove, which is provided at the head end of the inner rod and is arranged along the axial direction of the inner rod; a pressure sensor fixedly disposed on the bottom wall of the inner cavity of the accommodating groove, the pressure sensor being electrically connected to the electric telescopic rod; a first hinged protrusion fixedly disposed on the push plate; a first hinge hole, formed on the first hinge protrusion; a second hinged protrusion movably disposed in the inner cavity of the accommodating groove, wherein the tail end of the second hinged protrusion is connected to the detection end of the pressure sensor, the tail end of the second hinged protrusion is slidably connected to the inner cavity side wall of the accommodating groove, and the head end of the second hinged protrusion protrudes from the head end surface of the inner rod; a fillet portion, provided at the intersection of the head end surface of the second hinge protrusion and the top surface of the second hinge protrusion; a second hinge hole, formed on the second hinge protrusion, wherein a central axis of the second hinge hole is collinear with a central axis of the rounded corner portion; an assembly groove, formed at a head end of the second hinge protrusion, the assembly groove being exposed on a top surface of the second hinge protrusion, the first hinge protrusion being movably inserted into the assembly groove, and the central axes of the first hinge hole and the second hinge hole being collinear; a screw, inserted into the second hinge hole and the first hinge hole, for hingedly assembling the head end of the second hinge protrusion on the first hinge protrusion; A nut is sleeved on the screw rod, and the nut is threadedly connected to the screw rod, and is used to lock the screw rod on the second hinge protrusion and the first hinge protrusion.

3. The PCCP pipe hoisting and laying device according to claim 1, characterized in that: The one-way damping telescopic rod comprises: a first guide member fixedly disposed on the fixing bracket, wherein the first guide member is a cylindrical member, and a head end of the first guide member adopts an open design; a second guide member movably inserted into the inner cavity of the first guide member, wherein the tail end of the second guide member is slidably connected to the inner cavity side wall of the first guide member along the axial direction of the first guide member, the second guide member is a cylindrical member, the head end of the second guide member adopts an open design, and the circumferential side wall surface of the second guide member is closely attached to the circumferential inner cavity side wall surface of the first guide member; a first elastic member, disposed in the inner cavity of the first guide member, with two ends of the first elastic member respectively connected to the inner cavity bottom wall of the first guide member and the tail end of the second guide member, for driving the second guide member to reset; an air guide hole, formed at the rear end of the second guide member, the air guide hole communicating the inner cavity of the second guide member with the inner cavity of the first guide member; a first air guide tube, disposed on a circumferential outer wall of the first guide member, one end of the first air guide tube being in communication with an inner cavity of the first guide member; a second air guide tube, disposed on a circumferential outer wall of the first guide member, one end of the second air guide tube being in communication with the inner cavity of the first guide member; a one-way valve, provided on the first air duct, for controlling a flow direction of a medium flowing through the first air duct; an electrically controlled valve, provided on the second air duct, for adjusting the flow of the second air duct; a third guide member movably inserted into the inner cavity of the second guide member, wherein the tail end of the third guide member is slidably connected to the inner cavity side wall of the second guide member along the axial direction of the second guide member, the head end of the third guide member is hinged to the push plate, and the circumferential side wall surface of the third guide member is in close contact with the circumferential inner cavity side wall surface of the second guide member; The second elastic member is arranged in the inner cavity of the second guide member. The two ends of the second elastic member are respectively connected to the bottom wall of the inner cavity of the second guide member and the tail end of the third guide member, and are used to drive the third guide member to reset.

4. The PCCP pipe hoisting and laying device according to claim 1, characterized in that: The auxiliary docking module further includes: a guide assembly, which is arranged on the pair of bearing brackets and is used to guide the pipe to be laid.

5. The PCCP pipe hoisting and laying device according to claim 4, characterized in that: The guide assembly comprises: a second assembly notch, formed on the side plate of the support bracket close to the pipe port, the second assembly notch being exposed on the top surface of the side plate; A guide rod is fixedly arranged on the bottom wall of the inner cavity of the second assembly notch, and the guide rod is vertically arranged along the height direction of the supporting bracket; an assembly plate, arranged on the outer sides of the pair of supporting brackets; A pair of second card slots are provided on the assembly plate, the pair of second card slots are respectively engaged with the pair of assembly protrusions, and are used to fix the assembly plate on the pair of supporting brackets; a tubular guide member fixedly disposed on the assembly plate, the tubular guide member being movably sleeved on the guide rod for guiding the assembly plate; A guide plate is fixedly arranged on the top of the assembly plate, and the guide plate extends toward the outside of the pipe and is used for guiding the pipe to be laid.

6. A method for hoisting and laying PCCP pipes, implemented using the PCCP pipe hoisting and laying device according to any one of claims 1 to 5, characterized in that: The following steps are included: Set up height limit frames on both sides of the high-voltage wires on the construction access road; Arrange the pair of auxiliary docking modules opposite to each other on both sides of the laid pipe; The crawler crane hoists and carries the pipes to be laid into the foundation pit; The pair of gantry cranes hoist and transport the pipes to be laid to the vicinity of the pipes that have been laid; Connecting the execution end of the hoist to the pipe to be laid; Applying lubricant to the pipe opening of the pipe to be laid; The pair of gantry cranes lift the pipe to be laid again, and connect the pipe ends of the pipe to be laid with the pipe ends of the laid pipe; The pair of auxiliary docking modules are arranged opposite to each other on both sides of the pipe to be laid to perform padding and positioning of the pipe to be laid.

Images