PCCP (prestressed concrete cylinder pipe) mounting and positioning device and method

Abstract

The invention belongs to the technical field of pipeline mounting, and particularly relates to a PCCP mounting and positioning device and method. A first cross arm and a second cross arm in the PCCP installing and positioning device can be fixed to the non-butt-joint end of a PCCP pipe section and in a PCCP pipe correspondingly, the first cross arm and the second cross arm are connected through a traction butt-joint assembly, and the PCCP pipe section can be pulled to the position where the PCCP pipe is located by pulling the first cross arm through the traction butt-joint assembly; the traction butt joint assembly is arranged on the first cross arm, the offset monitoring assembly is arranged between the traction butt joint assembly and the first cross arm, and in the process that the traction butt joint assembly pulls the PCCP pipe section, the offset monitoring assembly can continuously and accurately monitor the relative position of the PCCP pipe section and the PCCP pipe, so that accurate positioning of the PCCP pipe section is achieved, and therefore the installation efficiency of the PCCP pipe is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline installation, and in particular relates to a PCCP pipeline installation positioning device and method. Background Art

[0002] PCCP pipes (prestressed concrete cylinder pipes) are a high-performance water pipe material that is widely used in water conservancy projects and infrastructure construction. PCCP pipes can withstand high pressures and have good durability and impermeability. They are particularly suitable for water delivery and water supply systems in large-scale water conservancy projects, such as inter-basin water transfer and reservoir water delivery. At the same time, PCCP pipes also play an important role in water supply systems, sewage treatment, drainage systems and other fields in urban construction.

[0003] The PCCP pipeline is made up of multiple PCCP pipe sections connected together, and there are many challenges in the installation process of the PCCP pipeline. First, the weight of the PCCP pipe section is large, often reaching tens of tons, and the requirements for the construction access road are high. It must meet the needs of vehicle operation, pipe unloading and storage, and no traffic jams; secondly, the installation accuracy of the PCCP pipeline is high, and it is necessary to ensure that the axis position of each PCCP pipe section is accurate to avoid rework and safety hazards caused by installation deviations. In addition, during the installation process, it is also necessary to consider various factors such as geological conditions, the length of the PCCP pipeline, and the turning angle to ensure the stability and durability of the PCCP pipeline.

[0004] In the prior art, the positioning method of the PCCP pipe segment during the docking (connection with the installed PCCP pipeline) process is mainly the manual positioning method, that is, the workers locate and measure the PCCP pipe segment by observation. This method is not only inefficient, but also prone to errors. Especially in complex geological conditions and construction environments, the difficulty and error of the manual positioning method are significantly increased. During actual installation, it is easy for the PCCP pipe segment to not match the PCCP pipeline, and then the position of the PCCP pipe segment needs to be repeatedly adjusted, resulting in a decrease in the installation efficiency of the PCCP pipeline. Therefore, inventing a device that can quickly complete the installation and positioning of the PCCP pipeline is a technical problem that needs to be solved by those skilled in the art. Summary of the invention

[0005] The present invention provides a PCCP pipeline installation positioning device and method to solve the technical problem that the positioning method of the PCCP pipe section in the prior art mainly relies on manual measurement, which has great difficulty and error, resulting in reduced installation efficiency of the PCCP pipeline.

[0006] To achieve the above object, the present invention is implemented by the following technical solutions: A PCCP pipeline installation and positioning device comprises a traction docking assembly, a deviation monitoring assembly, a first cross arm and a second cross arm; The first cross arm can be mounted on the non-butt end of the PCCP pipe section; The second crossarm and the offset monitoring assembly are both installed in the PCCP pipeline, the traction docking assembly is connected to the second crossarm, a pull rope is provided at the action end of the traction docking assembly, the active end of the pull rope is connected to the first crossarm, and the monitoring end of the offset monitoring assembly is arranged close to the pull rope; the traction docking assembly pulls the PCCP pipe section to achieve docking of the PCCP pipe section with the PCCP pipeline; if the PCCP pipe section deviates, the pull rope will contact the monitoring end of the offset monitoring assembly, and the offset monitoring assembly will send out an alarm signal.

[0007] In order to better implement the present invention, further optimization is made in the above structure, wherein the offset monitoring assembly includes a positioning support rod; The positioning support rod is provided with a limiting hole penetrating the positioning support rod, the axis of the limiting hole is parallel to the axis of the PCCP pipeline, and a position monitoring device is provided on the side wall of the limiting hole; The pull rope is located in the limiting hole.

[0008] In order to better realize the present invention, further optimization is made in the above structure. Both ends of the positioning support rod are provided with installation grooves, support blocks are provided in the installation grooves, and elastic members are provided between the support blocks and the installation grooves. The elastic members can push the support blocks away from the bottom of the installation grooves, so that the positioning support rod can be clamped in the PCCP pipe through the support blocks.

[0009] In order to better realize the present invention, further optimization is made in the above structure, wherein the position monitoring device includes a mounting tube, a detection column, a telescopic rod, an air storage cylinder and an air horn; A piston is provided at one end of the telescopic rod, and the piston is slidably arranged in the air storage cylinder. The air storage cylinder is provided with an air inlet and an air outlet, and both the air inlet and the air outlet are provided with a one-way valve, and the air outlet is connected to the air horn through the one-way valve; One end of the mounting tube is arranged on the side wall of the limiting hole, the air cylinder is arranged in the mounting tube, the detection column is slidably arranged along the axial direction of the mounting tube at the pipe mouth of the mounting tube near the center of the limiting hole, and the detection column is connected to the telescopic rod, and a reset spring is sleeved on the telescopic rod, and the two ends of the reset spring are respectively against the detection column and the air cylinder.

[0010] In order to better implement the present invention, further optimization is made in the above structure, the number of the position monitoring devices is multiple, and a ring of multiple position monitoring devices with equal spacing is arranged in the limiting hole.

[0011] In order to better realize the present invention, further optimization is made in the above structure, wherein the traction docking assembly includes a mounting seat and a traction head; The mounting seat is arranged on the second cross arm, the mounting seat is provided with a winding wheel, and a cable is wound around the winding wheel; A movable pulley is arranged on the traction head, and the free end of the pull rope passes around the movable pulley and is connected with the mounting seat, and the pull rope is arranged on the traction head.

[0012] In order to better implement the present invention, further optimization is made in the above structure, and the number of the movable pulleys is two; The mounting seat is provided with a transmission wheel, and the free end of the cable is connected to the mounting seat after passing through one of the movable pulleys, the transmission wheel and another movable pulley in sequence.

[0013] In order to better implement the present invention, further optimization is made in the above structure, and a traction rope is provided on the mounting seat, and the mounting seat is connected to the second cross arm through the traction rope.

[0014] In order to better implement the present invention, further optimization is made in the above structure, and the number of the traction docking assemblies is two, and the two traction docking assemblies are respectively arranged close to the two ends of the second cross arm.

[0015] On the other hand, the present invention also provides a PCCP pipeline installation and positioning method, which is implemented by the above-mentioned PCCP pipeline installation and positioning device, and the method comprises the following steps: The first cross arm and the second cross arm are respectively installed in the non-butt end of the PCCP pipe section and the PCCP pipeline, and the first cross arm and the second cross arm are parallel, and the relative position of the first cross arm and the PCCP pipe section is consistent with the relative position of the second cross arm and the PCCP pipeline; Installing the traction docking assembly and the deflection monitoring assembly in the PCCP pipeline, with the traction docking assembly located between the deflection monitoring assembly and the second cross arm; The fixed end of the traction docking assembly is installed on the second cross arm, and the pull rope at the action end of the traction docking assembly is connected to the first cross arm through the offset monitoring assembly, and the relative position of the fixed end of the traction docking assembly and the PCCP pipeline is consistent with the relative position of the active end of the pull rope and the PCCP pipe section; Start the traction docking assembly, pull the first cross arm by the traction docking assembly to pull the PCCP pipe section, so that the PCCP pipe section approaches the PCCP pipeline for docking; If the pull rope contacts the deviation monitoring component during the pulling of the first cross arm, the deviation monitoring component will send out an alarm signal, stop pulling the first cross arm, adjust the position of the PCCP pipe section to eliminate the alarm signal, and repeat the step of pulling the first cross arm until the PCCP pipe section and the PCCP pipeline are connected.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The first cross arm and the second cross arm in the PCCP pipe installation and positioning device provided by the present invention can be fixed at the non-docking end of the PCCP pipe section and the PCCP pipe respectively, and the first cross arm and the second cross arm are connected by a traction docking assembly. The PCCP pipe section can be pulled to the position of the PCCP pipe by pulling the first cross arm using the traction docking assembly, and an offset monitoring assembly is arranged between the traction docking assembly and the first cross arm. In the process of the traction docking assembly pulling the PCCP pipe section, the offset monitoring assembly can continuously and accurately monitor the relative axial position of the PCCP pipe section and the PCCP pipe, so as to realize accurate positioning of the PCCP pipe section, thereby improving the installation efficiency of the PCCP pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a PCCP pipeline installation and positioning device of the present invention.

[0019] Figure 2 It is a structural schematic diagram of a traction docking assembly in a PCCP pipeline installation and positioning device of the present invention.

[0020] Figure 3 It is a structural schematic diagram of an offset detection component in a PCCP pipeline installation and positioning device of the present invention.

[0021] Figure 4 yes Figure 3 A partial enlarged view of part A in the middle.

[0022] Figure 5 It is a structural schematic diagram of a position monitoring device in a PCCP pipeline installation and positioning device of the present invention.

[0023] Figure 6 It is a structural schematic diagram of a PCCP pipeline installation and positioning device of the present invention when in use.

[0024] In the figure: 1. Traction docking assembly; 11. Mounting seat; 111. Reel; 112. Transmission wheel; 113. Cable; 12. Traction head; 121. Moving pulley; 13. Cable; 2. Offset monitoring assembly; 21. Positioning support rod; 211. Limiting hole; 212. Mounting slot; 22. Support block; 23. Elastic member; 24. Position monitoring device; 241. Mounting tube; 242. Detection column; 243. Telescopic rod; 244. Air cylinder; 245. Air horn; 246. Return spring; 3. The first cross arm; 4. Second cross arm; 51. PCCP pipeline; 52. PCCP pipe section. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise specified, the meaning of "plurality" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In an embodiment of the present invention, Figures 1 to 6 As shown, the PCCP pipeline installation and positioning device includes a traction docking component 1, an offset monitoring component 2, a first cross arm 3 and a second cross arm 4; wherein, The first cross arm 3 can be mounted on the non-butt end of the PCCP pipe section 52; The second cross arm 4 and the deviation monitoring assembly 2 are both installed in the PCCP pipeline 51. The traction docking assembly 1 is connected to the second cross arm 4. The action end of the traction docking assembly 1 is provided with a pull rope, and the active end of the pull rope is connected to the first cross arm 3. Figure 6 ; The traction docking component 1 pulls the PCCP pipe section 52 by pulling the first cross arm 3 to achieve the docking of the PCCP pipe section 52 and the PCCP pipeline 51; if the PCCP pipe section 52 deviates, the pull rope will contact the monitoring end of the deviation monitoring component 2, and the deviation monitoring component 2 will send out an alarm signal.

[0029] During the installation of the PCCP pipeline 51, the staff can use a crawler crane to hoist the PCCP pipe section 52, and hoist the PCCP pipe section 52 to one end of the PCCP pipeline 51. The bottom of the PCCP pipe section 52 is filled with gravel or medium-coarse sand in advance to ensure that the axis of the PCCP pipe section 52 is at the same height as the axis of the PCCP pipeline 51. The first cross arm 3 and the second cross arm 4 are fixed to the non-jointed end of the PCCP pipe section 52 and the PCCP pipe 51 respectively, and the traction joint assembly 1 is installed on the second cross arm 4, and at the same time, the pull rope 13 at the action end of the traction joint assembly 1 is connected to the first cross arm 3; Start the traction docking assembly 1, and use the traction docking assembly 1 to pull the first cross arm 3, so that the PCCP pipe section 52 can be pulled to the position where the PCCP pipeline 51 is located. Since the PCCP pipe section 52 is still in a suspended state, it is relatively easy to pull; If the pull rope 13 contacts the monitoring end of the deviation monitoring component 2 during the pulling process of the PCCP pipe segment 52, the deviation monitoring component 2 will send out an alarm signal. At this time, the traction docking component 1 stops working, and the staff can adjust the position of the PCCP pipe segment 52 to eliminate the alarm signal. Then, the traction docking component 1 is started again and the above steps are repeated until the docking of the PCCP pipe segment 52 and the PCCP pipeline 51 is completed, and the non-docking end of the PCCP pipe segment 52 becomes the new docking end of the PCCP pipeline 51, and the staff can continue to dock the next PCCP pipe segment 52.

[0030] It should be noted that the above-mentioned PCCP pipe section 52 is respectively provided with a plug position and a socket position that can be plugged in, that is, a protrusion and a slot that cooperate with each other. The two adjacent PCCP pipe sections 52 cooperate with each other through the plug position and the socket position, and a rubber water stop strip is arranged between the two adjacent PCCP pipe sections 52. Specifically, the rubber water stop strip is arranged around the outer wall of the plug position. When the plug position is inserted into the socket position, the rubber water stop strip seals the gap between the outer wall of the plug position and the inner wall of the socket position.

[0031] In order to prevent the second cross arm 4 from being separated from the inner wall of the PCCP pipe 51, the two ends of the second cross arm 4 can be stuck in the plug-in position reserved in the PCCP pipe 51. The plug-in position is the gap between the spigot position and the socket position when the first section (the first one extending from the plug end of the PCCP pipe 51) of the PCCP pipe 51 and the second section of the PCCP pipe 52 are not tightly fitted. After the new PCCP pipe section 52 is butt-jointed and the second cross arm 4 is removed from the plug-in position, the plug-in position may be potted with M20 mortar to enhance the stability and durability of the PCCP pipe 51 connection.

[0032] The offset monitoring component 2 in the PCCP pipeline installation and positioning device can continuously and accurately monitor the relative axial position of the PCCP pipe section 52 and the PCCP pipeline 51 to achieve precise positioning of the PCCP pipe section 52, thereby improving the installation efficiency of the PCCP pipeline 51.

[0033] It is worth noting that when installing the PCCP pipeline installation and positioning device, the first cross arm 3 and the second cross arm 4 are parallel. At the same time, the relative position of the first cross arm 3 and the PCCP pipe section 52 is consistent with the relative position of the second cross arm 4 and the PCCP pipe 51. In this embodiment, the first cross arm 3 and the second cross arm 4 pass through the center of the PCCP pipe section 52 and the PCCP pipe 51 respectively and are arranged in parallel; it is also necessary to ensure that the relative position of the fixed end of the traction docking component 1 and the PCCP pipe 51 is consistent with the relative position of the movable end of the pull rope 13 and the PCCP pipe section 52, that is, the distance between the fixed end of the traction docking component 1 and the axis of the PCCP pipe 51 is equal to the distance between the movable end of the pull rope 13 and the axis of the PCCP pipe section 52; to ensure that when the PCCP pipe section 52 is coaxial with the PCCP pipe 51, the pull rope 13 is parallel to the axis of the PCCP pipe 51, so as to better monitor the relative position relationship between the PCCP pipe section 52 and the PCCP pipe 51.

[0034] In some embodiments, the above-mentioned deviation monitoring assembly 2 includes a positioning support rod 21, see Figure 1 and Figure 6 ;in, The positioning support rod 21 is provided with a limiting hole 211 penetrating the positioning support rod 21, the axis of the limiting hole 211 is parallel to the axis of the PCCP pipe 51, and the side wall of the limiting hole 211 is provided with a position monitoring device 24; The free end of the pull rope 13 passes through the limiting hole 211 and is connected to the first cross arm 3, that is, the pull rope 13 is located in the limiting hole 211; if the axis of the PCCP pipe section 52 is offset from the axis of the PCCP pipeline 51, the end of the pull rope 13 away from the traction docking assembly 1 will tilt to one side, and the pull rope 13 will contact and activate the position monitoring device 24, and the position monitoring device 24 will send out an alarm signal; the staff can adjust the position of the PCCP pipe section 52 according to the alarm signal until the alarm signal is eliminated, so as to quickly and accurately complete the adjustment of the position of the PCCP pipe section 52.

[0035] In some embodiments, both ends of the positioning support rod 21 are provided with mounting grooves 212, see Figure 3 and Figure 4 A support block 22 is disposed in the mounting groove 212, and an elastic member 23 is disposed between the support block 22 and the mounting groove 212. The elastic member 23 can push the support block 22 away from the bottom of the mounting groove 212, so that the positioning support rod 21 can be clamped in the PCCP pipe 51 through the support block 22; When the positioning support rod 21 needs to be removed, the supporting blocks 22 on both sides of the positioning support rod 21 only need to be pressed toward the bottom of the mounting groove 212 , so that the positioning support rod 21 can be easily removed from the PCCP pipe 51 .

[0036] In some embodiments, the position monitoring device 24 includes a mounting tube 241, a detection column 242, a telescopic rod 243, an air storage cylinder 244 and an air horn 245, see Figure 5 ;in, A piston is provided at one end of the telescopic rod 243, and the piston is slidably arranged in the air storage cylinder 244. The air storage cylinder 244 is provided with an air inlet and an air outlet, and both the air inlet and the air outlet are provided with a one-way valve, and the air outlet is connected to the air horn 245 through the one-way valve; One end of the mounting tube 241 is arranged on the side wall of the limiting hole 211, and the gas storage cylinder 244 is arranged in the mounting tube 241. The detection column 242 is slidably arranged along the axial direction of the mounting tube 241 at the tube mouth of the mounting tube 241 near the center of the limiting hole 211, and the detection column 242 is connected to the telescopic rod 243. The telescopic rod 243 is sleeved with a return spring 246, and the two ends of the return spring 246 are respectively against the detection column 242 and the gas storage cylinder 244; When the PCCP pipe section 52 deviates, the pull rope 13 contacts and squeezes the detection column 242, and the detection column 242 pushes the telescopic rod 243 to squeeze out the air in the air reservoir 244. The air in the air reservoir 244 flows to the air horn 245 through the air outlet, causing the air horn 245 to emit an alarm signal. After the staff adjusts the position of the PCCP pipe section 52, the pull rope 13 no longer squeezes the detection column 242, and the reset spring 246 pushes the detection column 242 away from the installation tube 241. At this time, the detection column 242 pulls the telescopic rod 243, so that the telescopic rod 243 can drive the piston to move, and the external air is sucked into the air storage cylinder 244 through the air inlet.

[0037] In some embodiments, there are multiple position monitoring devices 24, and multiple position monitoring devices 24 are arranged in a ring with equal spacing in the limiting hole 211. In this embodiment, there are four position monitoring devices 24, and the four position monitoring devices 24 are arranged in the limiting hole 211 with equal spacing to better monitor the position of the cable 113.

[0038] In some embodiments, the above-mentioned traction docking assembly 1 includes a mounting seat 11 and a traction head 12, see Figure 2 ; The mounting seat 11 is disposed on the second cross arm 4, and a winding wheel 111 is disposed on the mounting seat 11, and a cable 113 is wound around the winding wheel 111; A movable pulley 121 is provided on the traction head 12, and the free end of the cable 113 passes through the movable pulley 121 and is connected to the mounting seat 11, and the cable 13 is provided on the traction head 12; In the process of pulling the PCCP pipe section 52, the staff can manually rotate the reel 111 to reel in the cable 113. The setting of the movable pulley 121 can save the staff more effort when rotating the reel 111. Preferably, there are two movable pulleys 121; A transmission wheel 112 is provided on the mounting seat 11, and the free end of the cable 113 passes through one of the movable pulleys 121, the transmission wheel 112 and the other movable pulley 121 in sequence and is connected to the mounting seat 11; the two movable pulleys 121 can save effort, so that the staff can be more relaxed when turning the winding wheel 111.

[0039] In some embodiments, a traction rope is provided on the above-mentioned mounting seat 11, and the mounting seat 11 is connected to the second cross arm 4 through the traction rope, so that the connection and disassembly of the mounting seat 11 and the second cross arm 4 are more convenient.

[0040] In some embodiments, the number of the traction docking assembly 1 is two, see Figure 1 and Figure 6 The two traction docking assemblies 1 are respectively arranged near the two ends of the second cross arm 4 to better pull the PCCP pipe section 52 and effectively prevent the PCCP pipe section 52 from deviating to one side.

[0041] Based on the above-mentioned PCCP pipeline installation and positioning device, the present invention also provides a PCCP pipeline 51 installation and positioning method, which includes the following steps: The first cross arm 3 and the second cross arm 4 are respectively installed in the non-butt end of the PCCP pipe section 52 and the PCCP pipe 51, and the first cross arm 3 and the second cross arm 4 are parallel, and the relative position of the first cross arm 3 and the PCCP pipe section 52 is consistent with the relative position of the second cross arm 4 and the PCCP pipe 51; The traction docking assembly 1 and the deviation monitoring assembly 2 are both installed in the PCCP pipeline 51, and the traction docking assembly 1 is located between the deviation monitoring assembly 2 and the second cross arm 4; The fixed end of the traction docking assembly 1 is mounted on the second cross arm 4, the pull rope 13 at the action end of the traction docking assembly 1 is connected to the first cross arm 3 through the offset monitoring assembly 2, and the relative position of the fixed end of the traction docking assembly 1 and the PCCP pipe 51 is consistent with the relative position of the active end of the pull rope and the PCCP pipe section 52; The traction docking assembly 1 is started, and the PCCP pipe section 52 is pulled by the traction docking assembly 1 to pull the first cross arm 3, so that the PCCP pipe section 52 approaches the PCCP pipeline 51 for docking; If the pull rope 13 contacts the deviation monitoring component 2 during the pulling of the PCCP pipe section 52, the deviation monitoring component 2 will send out an alarm signal. The staff can adjust the position of the PCCP pipe section 52 so that the axis of the PCCP pipe section 52 coincides with the axis of the PCCP pipeline 51 to eliminate the alarm signal until the PCCP pipe section 52 is docked with the PCCP pipeline 51.

[0042] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A PCCP pipeline installation and positioning device, characterized in that: It comprises a traction docking assembly (1), a deviation monitoring assembly (2), a first cross arm (3) and a second cross arm (4); The first cross arm (3) can be clamped on the non-joint end of the PCCP pipe section (52); The second cross arm (4) and the deviation monitoring assembly (2) are both installed in the PCCP pipeline (51); the traction docking assembly (1) is connected to the second cross arm (4); a pull rope (13) is provided at the action end of the traction docking assembly (1); the movable end of the pull rope (13) is connected to the first cross arm (3); the monitoring end of the deviation monitoring assembly (2) is arranged close to the pull rope (13); the traction docking assembly (1) pulls the PCCP pipe section (52) to achieve docking of the PCCP pipe section (52) with the PCCP pipeline (51); if the PCCP pipe section (52) deviates, the pull rope (13) contacts the monitoring end of the deviation monitoring assembly (2), and the deviation monitoring assembly (2) sends an alarm signal.

2. The PCCP pipeline installation and positioning device according to claim 1 is characterized in that: The deviation monitoring assembly (2) comprises a positioning support rod (21); The positioning support rod (21) is provided with a limiting hole (211) penetrating the positioning support rod (21), the axis of the limiting hole (211) is parallel to the axis of the PCCP pipe (51), and a position monitoring device (24) is provided on a side wall of the limiting hole (211); The pull rope (13) is located in the limiting hole (211).

3. The PCCP pipeline installation and positioning device according to claim 2 is characterized in that: Both ends of the positioning support rod (21) are provided with mounting grooves (212), a support block (22) is provided in the mounting groove (212), and an elastic member (23) is provided between the support block (22) and the mounting groove (212), and the elastic member (23) is capable of pushing the support block (22) to a groove bottom away from the mounting groove (212), so that the positioning support rod (21) can be clamped in the PCCP pipe (51) through the support block (22).

4. The PCCP pipeline installation and positioning device according to claim 2 is characterized in that: The position monitoring device (24) comprises a mounting tube (241), a detection column (242), a telescopic rod (243), an air storage cylinder (244) and an air horn (245); A piston is provided at one end of the telescopic rod (243), and the piston is slidably disposed in the air storage cylinder (244). The air storage cylinder (244) is provided with an air inlet and an air outlet, and both the air inlet and the air outlet are provided with a one-way valve, and the air outlet is connected to the air horn (245) through the one-way valve. One end of the mounting tube (241) is arranged on the side wall of the limiting hole (211), the gas storage cylinder (244) is arranged in the mounting tube (241), the detection column (242) is slidably arranged along the axial direction of the mounting tube (241) at the tube mouth of the mounting tube (241) near the center of the limiting hole (211), and the detection column (242) is connected to the telescopic rod (243), and a return spring (246) is sleeved on the telescopic rod (243), and the two ends of the return spring (246) are respectively against the detection column (242) and the gas storage cylinder (244).

5. The PCCP pipeline installation and positioning device according to claim 4 is characterized in that: The number of the position monitoring devices (24) is multiple, and the multiple position monitoring devices (24) are arranged in a ring with equal spacing in the limiting hole (211).

6. The PCCP pipeline installation and positioning device according to claim 1 is characterized in that: The traction docking assembly (1) comprises a mounting seat (11) and a traction head (12); The mounting seat (11) is arranged on the second cross arm (4), a winding wheel (111) is arranged on the mounting seat (11), and a cable (113) is wound around the winding wheel (111); A movable pulley (121) is provided on the traction head (12); a free end of the pull rope (113) passes around the movable pulley (121) and is connected to the mounting seat (11); the pull rope (13) is provided on the traction head (12).

7. The PCCP pipeline installation and positioning device according to claim 6 is characterized in that: There are two movable pulleys (121); The mounting seat (11) is provided with a transmission wheel (112), and the free end of the cable (113) passes through one of the movable pulleys (121), the transmission wheel (112), and the other movable pulley (121) in sequence before being connected to the mounting seat (11).

8. The PCCP pipeline installation and positioning device according to claim 7 is characterized in that: A traction rope is provided on the mounting seat (11), and the mounting seat (11) is connected to the second cross arm (4) via the traction rope.

9. The PCCP pipeline installation and positioning device according to claim 8, characterized in that: The number of the traction docking assemblies (1) is two, and the two traction docking assemblies (1) are respectively arranged close to the two ends of the second cross arm (4).

10. A PCCP pipeline installation and positioning method, characterized in that: The method is implemented by the PCCP pipeline installation and positioning device according to any one of claims 1 to 9, and the method comprises the following steps: The first cross arm (3) and the second cross arm (4) are respectively installed at the non-jointed end of the PCCP pipe section (52) and in the PCCP pipeline (51), and the first cross arm (3) and the second cross arm (4) are parallel, and the relative position of the first cross arm (3) and the PCCP pipe section (52) is consistent with the relative position of the second cross arm (4) and the PCCP pipeline (51); The traction docking assembly (1) and the deviation monitoring assembly (2) are both installed in the PCCP pipeline (51), and the traction docking assembly (1) is located between the deviation monitoring assembly (2) and the second cross arm (4); The fixed end of the traction docking assembly (1) is mounted on the second cross arm (4), the pull rope (13) at the action end of the traction docking assembly (1) is connected to the first cross arm (3) via the offset monitoring assembly (2), and the relative position of the fixed end of the traction docking assembly (1) and the PCCP pipe (51) is consistent with the relative position of the active end of the pull rope (13) and the PCCP pipe section (52); Starting the traction docking assembly (1), and pulling the first cross arm (3) by the traction docking assembly (1), so that the PCCP pipe section (52) approaches the PCCP pipeline (51) for docking; If the pull rope (13) contacts the deviation monitoring component (2) during the process of pulling the first cross arm (3), the deviation monitoring component (2) will send out an alarm signal, stop pulling the first cross arm (3), adjust the position of the PCCP pipe section (52) to eliminate the alarm signal, and repeat the step of pulling the first cross arm (3) until the PCCP pipe section (52) and the PCCP pipeline (51) are connected.

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