Narrow tube well water supply and drainage pipeline rapid hoisting tool and construction method

Abstract

The invention provides a narrow tube well water supply and drainage pipeline rapid hoisting tool and a control method, the narrow tube well water supply and drainage pipeline rapid hoisting tool is suitable for hoisting rows of pipelines in a tube well, and comprises a channel steel hanging bracket, a channel steel clamp, a steel wire rope, a pipeline hoisting mechanism, a large lifting lug and a pipeline support; two ends of the top of the channel steel hanger are respectively connected with the winch through a group of large lifting lugs by using steel wire lifting ropes; each channel steel clamp is arranged in the corresponding channel steel hanging bracket in a penetrating and sleeving mode, and the channel steel clamps are connected with a pipeline through a pipeline hoisting mechanism by means of steel wire ropes. The pipeline support is provided with a U-shaped clamp or a hoop for fixing the pipelines in rows, and the U-shaped clamp or the hoop is used for providing stability in the process of hoisting the pipelines into the pipe well. According to the invention, the actual requirement of hoisting the pipelines in rows in an actual construction site can be met, the difficulty in hoisting the water supply and drainage pipelines of the narrow tube well is solved, the integrated hoisting and mounting work of the pipelines in rows and the pipeline bracket is realized, and the construction convenience and the construction efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of hoisting construction in a pipe well, and in particular to a fast hoisting tool and a construction method for water supply and drainage pipelines in a narrow pipe well. Background Art

[0002] Large high-rise building projects have many functions, complex electromechanical systems, and many risers in the pipe wells. The layout of the pipe wells requires consultation among various professional designers to avoid inconsistencies in the drawings that affect the construction of the pipe wells.

[0003] The conventional practice of pipeline wells is to install them in single disciplines, single systems, and single pipes. The pipeline system construction is cross-convenient and difficult to maintain. This approach has low construction efficiency and slow progress, and it is easy to affect the construction of other disciplines. Finally, the installed risers are prone to being uneven and unsightly. Moreover, when the pipeline well is a narrow one, it will be more difficult to hoist the pipeline. Summary of the invention

[0004] The purpose of the present invention is to provide a fast lifting tool and construction method for narrow pipe well water supply and drainage pipelines, which has accurate and high precision in bracket installation position, is easy to adjust, has high lifting efficiency, and is safe and reliable.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A fast lifting tool for water supply and drainage pipes in a narrow pipe well is suitable for lifting rows of pipes in the pipe well, comprising a channel steel hanger, a channel steel clamp, a wire rope, a pipe lifting mechanism, a large lifting lug and a pipe support; the two ends of the top of the channel steel hanger are respectively connected to a winch by a group of large lifting lugs using a lifting rope; a plurality of channel steel clamps are provided, each of which is sleeved in the channel steel hanger, and the channel steel clamps are connected to the pipes through the pipe lifting mechanism using a wire rope; a U-shaped clamp or a clamp is provided on the pipe support to fix the row of pipes, so as to provide stability during the lifting process into the pipe well.

[0007] Preferably, the channel steel hanger comprises two channel steels, the two channel steels are arranged in an open groove, the tops of both ends of the channel steels are welded and connected by rectangular steel plates, large lifting ears are provided on the rectangular steel plates, and the large lifting ears are connected to the winch through a steel wire rope.

[0008] Preferably, an electronic level is provided at the top center of the channel steel hanger, and the electronic level includes a sensor, a display, and a buzzer; during the lifting process, when the electronic level tilts, the voltage of the induction coil changes due to the movement of the internal pendulum, and the tilt angle is reflected on the display through the sensor, and when the tilt angle is greater than the preset value of the control system, the control system controls the buzzer to sound an alarm.

[0009] Preferably, the channel steel clamp comprises square steel, small lifting ears and bolts, symmetrical bolt holes are provided in the middle of the square steel, the square steel is arranged on the channel steel hanger by bolts passing through the screw holes, and a small lifting ear is provided at the bottom of the square steel.

[0010] Preferably, the pipe lifting mechanism includes two groups of circular steel plates, the diameters of the two groups of circular steel plates are larger than the diameter of the pipe, the two groups of circular steel plates are respectively arranged at the top and bottom of the pipe, and the circular steel plate arranged at the bottom of the pipe is provided with a small lifting ear 2, and the small lifting ear 1 is connected to the small lifting ear 2 by a steel wire rope passing through the top of the circular steel plate, so as to lift the pipe.

[0011] Preferably, it also includes an auxiliary support mechanism, which includes a group of auxiliary supports respectively arranged on the pipe support, and the two groups of auxiliary supports have the same structure and are both T-shaped. One end of the auxiliary support is connected to the pipe support, and the other end of the auxiliary support is used to fasten to the inner wall of the pipe well after hanging.

[0012] Preferably, an infrared aligner is provided on the auxiliary bracket; bracket positioning points are preset on the inner wall of the pipe shaft, and the infrared aligner is used to correspond to the bracket positioning points so as to observe the installation position of the pipeline.

[0013] Preferably, the outer sides of the two groups of auxiliary brackets are connected with cable rope fixers, and the cable rope fixers include square steel brackets, and the square steel brackets are connected to the ends of the pipe brackets by bolts. One side of the square steel bracket is connected to a round tube, and a cable rope is passed through the round tube. The top and bottom of the cable rope are respectively fixed with basket bolts, and telescopic adjustment is achieved by a lead screw.

[0014] Preferably, the circular tube is filled with thermal insulation cotton. In order to increase damping, an S-shaped cutting opening is provided in the circular tube for passing the guy rope.

[0015] The present invention also provides a construction method for a fast lifting tool for a narrow pipe well water supply and drainage pipeline, comprising the following steps:

[0016] Step S0: Preparation: Make a channel steel hanger, insert a plurality of channel steel clips into the channel steel hanger, and place a small lifting ear at the bottom of the channel steel clip on the lower side of the channel steel hanger;

[0017] Step S1: Installation work:

[0018] Step S11: transporting a plurality of pipes to be hoisted to the vicinity of the pipe well opening on the hoisting floor below the hoisting machine;

[0019] Step S12: Arrange a plurality of pipes in a row, install a circular steel plate with a second small lifting lug at the bottom of each pipe, install another circular steel plate at the top of the pipe, and connect the first small lifting lug to the second small lifting lug on the circular steel plate at the bottom of the pipe through a steel wire rope passing through the circular steel plate at the top of the pipe;

[0020] Step S13: adjusting the spacing between adjacent pipes by displacing the channel steel clamp on the channel steel hanger, and after the adjustment, the channel steel clamp is fixed to the channel steel hanger by bolts;

[0021] Step S14: The outer wall of each of the pipes is arranged in parallel on the pipe support through U-shaped clamps or clamps, and a group of auxiliary supports are connected to both ends of the pipe support respectively;

[0022] Step S15: positioning the bracket on the inner wall of the pipe well in advance according to the drawing, marking lines in the wall of the whole pipe well, locating the vertical and horizontal coordinates of the bracket, setting bracket positioning points at the rooting points of the bracket for matching with the infrared aligner to facilitate the installation of the auxiliary bracket;

[0023] Step S2: Lifting pipes

[0024] Step S21: Setting a winch, setting two I-beams on the upper floor of the hoisting floor, fixing the winch on the I-beams, and adjusting the front-back and left-right positions of the winch through the chute; the winch is connected to the large lifting lug through a lifting rope;

[0025] Step S22: starting the winch, the winch lifts the rows of pipes near the pipe well opening on the hoisting floor below the winch through the large lifting lug, and slowly lowers the rows of pipes to the bottom of the pipe well by extending the lifting rope;

[0026] Step S23: After the row of pipes is hoisted to the installation position of the pipe well, the infrared aligner on the auxiliary bracket is used to align with the bracket positioning point set in advance on the wall of the pipe well, and the accurate installation position of the bracket is observed and adjusted in time. After confirming that the installation position is accurate, the auxiliary bracket is fixed to the wall of the well by bolts, and the row of pipes is fixed in the pipe well;

[0027] Step S3: Removing temporary lifting tools: After the first row of pipes is hoisted and installed, loosen the basket bolts fixing the wind rope, loosen the bolts of the square steel brackets connected to both ends of the pipe bracket, remove the wind rope fixture, untie the wire rope, remove the round steel plate, the round steel plate welded with the second small lifting ear, and the channel steel clamp in sequence, and continue to hoist the row of pipes on the first row of pipes;

[0028] Step S4: Repeat the hoisting: repeat steps S2 to S3, hoist the rows of pipes into the pipe well, and connect the adjacent rows of pipes;

[0029] Step S5: Remove the final lifting tools: loosen the basket bolts that fix the cable wind rope, loosen the bolts of the square steel brackets connected to both ends of the pipeline bracket, remove the cable wind rope fixer, untie the wire rope, remove the round steel plate, the round steel plate welded with the small lifting ear 2, and the channel steel clamp in turn, and collect them for the next pipeline lifting work.

[0030] Preferably, in step S21, during the hoisting process of the channel steel hanger, an electronic level is used on the top of the channel steel hanger to observe the horizontality of the channel steel hanger and the row of pipes, and the position of the channel steel clamp on the channel steel hanger is manually adjusted to make the channel steel hanger and the row of pipes connected to it self-balanced.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] (1) The present invention can meet the actual needs of lifting rows of pipes in actual construction sites, solve the difficulties in lifting water supply and drainage pipes in narrow pipe wells, and realize the integrated lifting and installation of rows of pipes and pipe supports in one step. There is no need to replace the supports later, and the pipes and pipe supports can be directly put into use in the project, thereby improving construction convenience and efficiency.

[0033] (2) The present invention positions the bracket on the wall of the pipe shaft in advance according to the drawings, and sets bracket positioning points for matching with infrared aligners set on the auxiliary brackets at both ends of the pipe bracket to observe the precise installation position, ensure the accurate installation position of the bracket, and control the installation elevation of the bracket.

[0034] (2) The present invention can be applied to the pipe well hoisting and installation of steel pipes and plastic pipes below DN250. It has wide applicability, is easy to operate, has beautiful installation effect, is easy to obtain materials, is simple to make, has low cost, and is safe and durable.

[0035] (3) The device of the present invention is easy to disassemble. After the row of pipes is hoisted and installed, the bolts connecting the square steel brackets at both ends of the pipe brackets are loosened, the wire rope is untied, and the channel steel clamp is removed to complete the disassembly of the device. The cable wind rope fixer, channel steel clamp and channel steel hanger can be recycled. For pipes with different numbers and spacings, only the number and spacing of the channel steel clamps need to be adjusted. The channel steel clamps can slide in the channel steel hanger to facilitate the adjustment of the spacing.

[0036] (4) The present invention uses a cable wind rope fixer to fix the row of pipes on the cable wind rope, thereby limiting the position of the pipes, facilitating the lifting and installation work, achieving rapid installation, and improving installation accuracy. The lifting and guiding systems are separated, which is safe and reliable.

[0037] (5) The present invention installs an electronic level on the channel steel hanger, so that when installing a row of pipes, the electronic level on the channel steel hanger can be used to control the horizontal balance of the row of pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A schematic diagram of the structure of a lifting process of a fast lifting tool for water supply and drainage pipelines in a narrow pipe well provided by an embodiment of the present invention;

[0039] Figure 2 for Figure 1 Schematic diagram of the structure of the middle channel steel clamp;

[0040] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of the middle channel steel clamp and the channel steel hanger from top view;

[0041] Figure 4 for Figure 1 Side view of the structure of the middle channel steel clamp and the channel steel hanger;

[0042] Figure 5 for Figure 1 Schematic diagram of the structure of the middle cable wind rope fixer;

[0043] Figure 6 A schematic diagram of a top view of a fast lifting tool for water supply and drainage pipes in a narrow pipe well provided by an embodiment of the present invention, wherein a steel pipe and a pipe support are installed in the pipe well using a U-shaped clamp;

[0044] Figure 7 A schematic diagram of a top view of a fast lifting tool for water supply and drainage pipes in a narrow pipe well provided by an embodiment of the present invention, in which a plastic pipe and a pipe support are installed in a pipe well by using a clamp;

[0045] Figure 8 A schematic diagram of a fast lifting tool for narrow pipe well water supply and drainage pipes provided by an embodiment of the present invention being lifted near the pipe well opening on the lifting floor Figure 1 ;

[0046] Fig. 9 A schematic diagram of a fast lifting tool for narrow pipe well water supply and drainage pipes provided by an embodiment of the present invention being lifted near the pipe well opening on the lifting floor Figure 2 ;

[0047] Fig.10 A schematic diagram of a fast lifting tool for narrow pipe well water supply and drainage pipes provided by an embodiment of the present invention being lifted near the pipe well opening on the lifting floor Figure 3 ;

[0048] Fig.11 A schematic diagram of a fast lifting tool for water supply and drainage pipes in a narrow pipe well provided by an embodiment of the present invention for lifting the first section of a row of pipes in a pipe well;

[0049] Fig.12 A schematic diagram of a fast lifting tool for water supply and drainage pipes in a narrow pipe well provided by an embodiment of the present invention lifting a second section of a row of pipes in a pipe well;

[0050] Fig.13 A flow chart of an application method of a fast lifting tool for water supply and drainage pipelines in a narrow pipe shaft provided in an embodiment of the present invention.

[0051] The serial numbers in the figure are as follows:

[0052] 1. Channel steel hanger; 2. Channel steel clamp; 3. Rectangular steel plate; 4. Large lifting eye; 5. Small lifting eye 1; 6. Bolt; 7. Wire rope; 8. Pipe; 9. Channel steel; 10. Electronic level; 11. Round steel plate; 12. Pipe support; 13. Cable wind rope holder; 14. Square steel support; 15. Round pipe; 16. Cable wind rope; 17. Square steel; 18. Infrared aligner; 19. S-shaped cutting edge; 20. Bracket positioning point; 21. Winch; 22. Flower basket bolt; 23. Small lifting eye 2; 24. Auxiliary support; 25. Insulation cotton; 26. Wire rope; 27. Horizontal gap; 28. Bolt hole. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0054] like Figures 1 to 6 As shown, a fast lifting tool for narrow pipe well water supply and drainage pipes disclosed by the present invention is suitable for lifting rows of pipes 8 in the pipe well, including a channel steel hanger 1, a channel steel clamp 2, a wire rope 7, a pipe lifting mechanism, a large lifting lug 4 and a pipe support 12.

[0055] The channel steel hanger 1 includes two channel steels 9, which are arranged with open grooves. The tops of both ends of the channel steels 9 are welded and connected by rectangular steel plates 3. The rectangular steel plates 3 are provided with large lifting ears 4, which are connected to the winch 21 by steel wire ropes 26.

[0056] Further, in this embodiment, there are two symmetrical bolt holes in the middle of the rectangular steel plate 3, which are used to pass bolts to fasten and connect the two rectangular steel plates 3 at the top and bottom of the channel steel 9. One of the two rectangular steel plates needs to be welded with a large lifting lug 4.

[0057] There are several channel steel clamps 2, each of which is arranged on the channel steel hanger 1. The channel steel clamp 2 is connected to the pipeline 8 through the pipeline hoisting mechanism by using a steel wire rope 7. The channel steel clamp 2 includes a square steel 17, a small lifting lug 5 and a bolt 6. A symmetrical bolt hole is arranged in the middle of the square steel 17. The square steel 17 is arranged on the channel steel hanger 1 through the bolt 6 passing through the screw hole. A small lifting lug 5 is arranged at the bottom of the square steel 17.

[0058] The pipeline lifting mechanism includes two groups of circular steel plates 11, the diameter of the two groups of circular steel plates 11 is larger than the diameter of the pipeline 8, the two groups of circular steel plates 11 are respectively arranged at the top and bottom of the pipeline 8, and a small lifting ear 23 is provided on the circular steel plate 11 arranged at the bottom of the pipeline 8. The small lifting ear 1 5 is connected to the small lifting ear 23 by passing the steel wire rope 7 through the top of the circular steel plate 11, and is used for lifting the pipeline 8.

[0059] The pipe support 12 is fixed to the outside of the pipe 8 by means of a U-shaped clamp or a clamp, and the rows of pipes 8 are arranged side by side to provide stability during the process of hoisting into the pipe well. The fixing method of the pipe 8 and the pipe support 12 needs to be based on the material of the pipe, such as Figure 6 As shown, when the pipeline 8 is a steel pipe, the steel pipe and the pipeline support 12 are fixed in the form of a U-shaped clamp. Figure 7 As shown, when the pipe 8 is a plastic pipe, the plastic pipe and the pipe support 12 are fixed by a clamp. After the pipe is hoisted, it is in place in one step, and the pipe and the pipe support can be directly put into use in the project.

[0060] Furthermore, in this embodiment, an auxiliary support mechanism is also included, and the auxiliary mechanism includes a group of auxiliary supports 24 respectively arranged on the pipe support 12, and the two groups of auxiliary supports 24 have the same structure and are both T-shaped, one end of the auxiliary support 24 is connected to the pipe support 12, and the other end of the auxiliary support 24 is used to be fastened to the inner wall of the pipe well after being suspended. An infrared aligner 18 is provided on the auxiliary support 24; a support positioning point 20 is preset on the inner wall of the pipe well, and the infrared aligner 18 is used to correspond to the support positioning point 20, so as to observe the installation position of the pipe 8.

[0061] Furthermore, in the present embodiment, the outer sides of the two groups of auxiliary brackets 24 are connected with a cable wind rope fixer 13, the cable wind rope fixer 13 comprises a square steel bracket 14, the square steel bracket 14 is connected to the end of the pipe bracket 12 by bolts, one side of the square steel bracket 14 is connected with a round tube 15, a cable wind rope 16 is passed through the round tube 15, the top and bottom of the cable wind rope 16 are respectively fixed with basket bolts 22, and the telescopic adjustment is achieved by a lead screw.

[0062] Furthermore, in the present embodiment, the circular tube 15 is filled with heat-insulating cotton. To increase damping, an S-shaped cutout is provided in the circular tube 15 for passing the guy rope 16 .

[0063] Furthermore, in this embodiment, an electronic level 10 is provided at the top center of the channel steel hanger 1, and the electronic level 10 includes a sensor, a display, and a buzzer; during the lifting process, when the electronic level 10 tilts, the voltage of the induction coil caused by the movement of the internal pendulum changes, and the tilt angle is reflected on the display through the sensor, and when the tilt angle is greater than the preset value of the control system, the control system controls the buzzer to sound an alarm.

[0064] like Figure 8-Figure 13 As shown, the construction method of the present invention is as follows:

[0065] Step S0: Preparation: Make channel steel hanger 1: Figure 3 and Figure 4 As shown, two channel steels 9 of the channel steel hanger 1 are placed face to face, and a transverse gap 27 is reserved. The size of the transverse gap 27 allows the top of the small lifting lug 5 to pass through. Similarly, bolt holes 28 are symmetrically reserved on both sides of the two channel steels 9. The size of the bolt holes 28 is the same as the diameter of the bolt 6, which is used to fix the channel steel clamp 2 on the channel steel hanger 1. A rectangular steel plate 3 is welded on the upper and lower ends of the channel steel 9, for a total of four rectangular steel plates 3. Large lifting lugs 4 are welded on the rectangular steel plates 3 welded above the two ends of the channel steel 9, for a total of two large lifting lugs 5.

[0066] Channel steel clamps 2 are arranged on the channel steel hanger 1 according to the number and spacing of the rows of pipes 8 to be hoisted, the pipes 8 to be hoisted are connected with a wire rope 7 at a small hoisting ear 5 of the channel steel clamp 2, and the large hoisting ear 4 of the channel steel hanger 1 is connected with the wire rope 7. The channel steel hanger 1 and the rows of pipes 8 to be hoisted can be hoisted together to realize the hoisting of the rows of pipes.

[0067] The channel steel clamp 2 is placed inside the channel steel hanger 1, and the small lifting lug 5 is placed on the lower side of the channel steel hanger 1. The channel steel clamp 2 can slide in the horizontal gap 27 of the two channel steels 9 of the channel steel hanger 1 through the small lifting lug 5, so as to adjust the spacing between adjacent channel steel clamps 2. The channel steel clamp 2 is fastened to the channel steel hanger 1 by passing the bolt 6 through the bolt hole 28 on the channel steel hanger 1 and the bolt hole reserved on the channel steel clamp 2 on the outside of the channel steel hanger 1. The number and spacing of the channel steel clamps 2 are determined according to the number and spacing of the pipes 8 to be hoisted.

[0068] Step S1: Installation work:

[0069] Step S11: transporting a plurality of pipes 8 to be hoisted to the vicinity of the pipe well opening on the hoisting floor below the hoisting machine.

[0070] Step S12: Arrange several pipes 8 in a row, install a circular steel plate 11 with a small lifting ear 24 at the bottom of each pipe 8, install another circular steel plate 11 on the top of the pipe 8, and connect the small lifting ear 1 5 to the small lifting ear 23 on the circular steel plate 11 at the bottom of the pipe 8 through a steel wire rope 7 through the circular steel plate 11 at the top of the pipe 8.

[0071] Step S13: the spacing between adjacent pipes 8 is adjusted by displacing the channel steel clamp 2 on the channel steel hanger 1 . After the adjustment, the channel steel clamp 2 is fixed to the channel steel hanger 1 by bolts 6 .

[0072] Step S14: fix the outer wall of each of the pipes 8 by U-shaped clamps or clamps and arrange them in parallel on the pipe support 12, and connect a group of auxiliary supports 24 to both ends of the pipe support 12.

[0073] Step S15: Making a cable wind rope fixer: prepare a square steel bracket 14 and a round tube 15. The round tube 15 is welded to one end of the square steel bracket 14. The round tube 15 is filled with insulation cotton 25. In order to increase damping, an S-shaped cutting opening 19 is provided in the round tube for passing the cable wind rope 16. The cable wind rope fixer 13 is fixed at both ends of the pipe bracket 12 with bolts.

[0074] Setting up the guy ropes: Place two guy ropes 16 from the upper floor of the hoisting floor, about ten floors downward. The two ends of the guy ropes 16 are fixed with basket bolts 22. The tightness of the guy ropes can be adjusted by extending and retracting the lead screw through the basket bolts 22.

[0075] Step S16: Position the bracket on the inner wall of the well in advance according to the drawing, draw lines inside the well wall of the entire well, locate the vertical and horizontal coordinates of the bracket, set the bracket positioning point 20 at the rooting point of the bracket for matching with the infrared aligner 18 to facilitate the installation of the auxiliary bracket 24.

[0076] Step S2: Lifting pipes

[0077] Step S21: Set up a winch, set up two I-beams on the upper floor of the hoisting floor, fix the winch 21 on the I-beams, and adjust the front and back and left and right positions of the winch 21 through the chute. The winch 21 is connected to the large lifting lug 4 through the steel wire rope 26.

[0078] During the hoisting process of the channel steel hanger 1, the electronic level 10 on the top is used to observe the horizontality of the channel steel hanger 1 and the row of pipes 8, and the channel steel clamp 2 is manually adjusted on the channel steel hanger 1 to adjust the self-balancing of the channel steel hanger 1 and the row of pipes 8 connected thereto. After self-balancing, it is hoisted into the pipe well. If it is unbalanced, the position of the channel steel clamp 2 on the channel steel hanger 1 can be manually adjusted to make the narrow pipe well water supply and drainage pipeline rapid hoisting tooling and the row of pipes self-balanced.

[0079] Step S22: Start the winch 21, which lifts the rows of pipes 8 near the pipe well opening of the next hoisting floor through the large lifting lug 4, and slowly lowers the rows of pipes 8 to the bottom of the pipe well through the extension of the wire rope 26.

[0080] Step S23: After the row of pipes 8 are hoisted to the installation position of the pipe well, use the infrared aligner 18 on the auxiliary bracket 24 to align with the bracket positioning point 20 set in advance on the wall of the pipe well, observe the accurate installation position of the bracket, and make adjustments in time. After determining that the installation position is correct, fix the auxiliary bracket 24 to the wall of the well with bolts to complete the fixing of the row of pipes 8 in the pipe well.

[0081] Step S3: Remove temporary lifting tools: After the first row of pipes 8 is hoisted and installed, loosen the basket bolts 22 that fix the cable wind rope 16, loosen the bolts of the square steel bracket 14 connected to both ends of the pipe bracket 12, remove the cable wind rope fixer 13, untie the wire rope 7, and remove the circular steel plate 11, the circular steel plate 11 welded with small lifting ears 23, and the channel steel clamp 2 in turn, and you can continue to hoist the rows of pipes on the first row of pipes 8.

[0082] Step S4: Repeat hoisting: Repeat steps S2-S3, hoist the rows of pipes 8 into the pipe well, and connect the adjacent rows of pipes 8. The connection method shall comply with the relevant provisions of the specifications and standards and design documents, such as bonding of plastic pipes, clamp connection of steel pipes, and flange or clamp connection of metal drainage pipes.

[0083] Step S5: Remove the final lifting tools: loosen the basket bolts 22 that fix the cable wind rope 16, loosen the bolts of the square steel bracket 14 connected to both ends of the pipeline bracket 12, remove the cable wind rope fixer 13, untie the wire rope 7, and remove the circular steel plate 11, the circular steel plate 11 with a small lifting ear 23 welded thereon, and the channel steel clamp 2 in turn, and collect them for the next pipeline lifting work.

[0084] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0085] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0086] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fast lifting tool for water supply and drainage pipes in narrow pipe wells, suitable for lifting rows of pipes (8) in pipe wells, characterized in that: It comprises a channel steel hanger (1), a channel steel clamp (2), a steel wire rope (7), a pipeline hoisting mechanism, a large lifting lug (4) and a pipeline support (12); The two ends of the top of the channel steel hanger (1) are respectively connected to the winch by means of a set of large lifting ears (4) using a steel wire rope (26); A plurality of the channel steel clamps (2) are provided, each of the channel steel clamps (2) is sleeved in the channel steel hanger (1), and the channel steel clamps (2) are connected to the pipeline (8) by means of a steel wire rope (7) through a pipeline hoisting mechanism; The pipe support (12) is provided with a U-shaped clamp or a clamp to fix the pipes (8) in a row, so as to provide stability during the process of hoisting into the pipe well.

2. A fast lifting tool for narrow pipe well water supply and drainage pipes according to claim 1, characterized in that: The channel steel hanger (1) comprises two channel steels (9), the two channel steels (9) are arranged in an open groove, the tops of both ends of the channel steel (9) are welded and connected by a rectangular steel plate (3), a large lifting lug (4) is provided on the rectangular steel plate (3), and the large lifting lug (4) is connected to a winch via a steel wire rope (26).

3. The fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 2 is characterized in that: An electronic level (10) is provided at the top center of the channel steel hanger (1), and the electronic level (10) includes a sensor, a display, and a buzzer. During the hoisting process, when the electronic level (10) tilts, the voltage of the induction coil changes due to the movement of the internal pendulum, and the tilt angle is reflected on the display through the sensor. When the tilt angle is greater than the preset value of the control system, the control system controls the buzzer to sound an alarm.

4. The fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 1 is characterized in that: The channel steel clamp (2) comprises a square steel (17), a small lifting ear (5) and a bolt (6); a symmetrical bolt hole is provided in the middle of the square steel (17); the square steel (17) is arranged on the channel steel hanger (1) through the bolt (6) passing through the bolt hole; and a small lifting ear (5) is provided at the bottom of the square steel (17).

5. The fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 4 is characterized in that: The pipeline hoisting mechanism comprises two groups of circular steel plates (11), the diameters of the two groups of circular steel plates (11) are larger than the diameter of the pipeline (8), the two groups of circular steel plates (11) are respectively arranged at the top and bottom of the pipeline (8), and a small lifting lug (23) is provided on the circular steel plate (11) arranged at the bottom of the pipeline (8), and the small lifting lug (5) is connected to the small lifting lug (23) by passing through the top of the circular steel plate (11) through a steel wire rope (7), so as to be used for hoisting the pipeline (8).

6. The fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 1 is characterized in that: It also includes an auxiliary support mechanism, the auxiliary mechanism including a group of auxiliary supports (24) respectively arranged on the pipe support (12), the two groups of auxiliary supports (24) have the same structure and are both T-shaped, one end of the auxiliary support (24) is connected to the pipe support (12), and the other end of the auxiliary support (24) is used to be fastened to the inner wall of the pipe well after being suspended.

7. A fast lifting tool for narrow pipe well water supply and drainage pipes according to claim 6, characterized in that: The auxiliary bracket (24) is provided with an infrared aligner (18); a bracket positioning point (20) is preset on the inner wall of the pipe well, and the infrared aligner (18) is used to correspond to the bracket positioning point (20) so as to observe the installation position of the pipeline (8).

8. The fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 6 is characterized in that: The outer sides of the two groups of auxiliary brackets (24) are both connected with a cable wind rope fixer (13), and the cable wind rope fixer (13) comprises a square steel bracket (14), and the square steel bracket (14) is connected to the end of the pipe bracket (12) by bolts, and one side of the square steel bracket (14) is connected to a round tube (15), and a cable wind rope (16) is passed through the round tube (15), and the top and bottom of the cable wind rope (16) are respectively fixed by basket bolts (22), and telescopic adjustment is achieved by a lead screw.

9. A fast lifting tool for narrow pipe well water supply and drainage pipeline according to claim 8, characterized in that: The circular tube (15) is filled with heat-insulating cotton. In order to increase damping, an S-shaped cutting opening is provided in the circular tube (15) for passing the guy rope (16).

10. A construction method for a fast lifting tool for narrow pipe well water supply and drainage pipelines according to claims 1-9, characterized in that: The following steps are involved: Step S0: Preparation: Make a channel steel hanger (1), insert a plurality of channel steel clips (2) into the channel steel hanger (1), and place a small lifting ear (5) connected to the bottom of the channel steel clip (2) on the lower side of the channel steel hanger (1); Step S1: Installation work: Step S11: transporting a plurality of pipes (8) to be hoisted to the vicinity of the pipe well opening on the hoisting floor below the hoisting machine; Step S12: Arrange a plurality of pipes (8) in a row, install a circular steel plate (11) with a second small lifting lug (23) at the bottom of each pipe (8), install another circular steel plate (11) at the top of the pipe (8), and connect the first small lifting lug (5) to the second small lifting lug (23) on the circular steel plate (11) at the bottom of the pipe (8) through a steel wire rope (7); Step S13: adjusting the spacing between adjacent pipes (8) by displacing the channel steel clamp (2) on the channel steel hanger (1); after the adjustment, the channel steel clamp (2) is fixed to the channel steel hanger (1) by bolts (6); Step S14: The outer wall of each of the pipes (8) is arranged in parallel on the pipe support (12) through U-shaped clamps or clamps, and a group of auxiliary supports (24) are respectively connected to the two ends of the pipe support (12); Step S15: making a cable wind rope fixer: preparing a square steel bracket (14) and a round tube (15), wherein the round tube (15) is welded to one end of the square steel bracket (14), and the round tube (15) is filled with heat-insulating cotton (25). In order to increase damping, an S-shaped cutting opening (19) is provided in the round tube for passing the cable wind rope (16), and the cable wind rope fixer (13) is fixed to both ends of the pipeline bracket (12) with bolts; Setting the wind ropes: placing two wind ropes (16) from the upper floor of the hoisting floor downward, about ten floors downward, the two ends of the wind ropes (16) are fixed with basket bolts (22), and the tightness of the wind ropes can be adjusted by extending and retracting the basket bolts (22) with a lead screw; Step S16: positioning the bracket on the inner wall of the pipe well in advance according to the drawing, marking lines on the wall of the entire pipe well to locate the vertical and horizontal coordinates of the bracket, and setting a bracket positioning point (20) at the rooting point of the bracket to match the infrared aligner (18) to facilitate the installation of the auxiliary bracket (24); Step S2: Lifting pipes Step S21: Setting a winch, setting two I-beams on the upper floor of the hoisting floor, fixing the winch on the I-beams, and adjusting the front-back and left-right positions of the winch through the chute; the winch is connected to the large lifting lug (4) through a steel wire rope (26); During the hoisting process of the channel steel hanger (1), the electronic level (10) on the top of the channel steel hanger (1) is used to observe the horizontality of the channel steel hanger (1) and the row of pipes (8), and the position of the channel steel clamp (2) on the channel steel hanger (1) is manually adjusted to adjust the self-balancing of the channel steel hanger (1) and the row of pipes (8) connected thereto; Step S22: Start the winch, and the winch lifts the row of pipes (8) near the pipe well opening on the hoisting floor below the winch through the large lifting lug (4), and slowly lowers the row of pipes (8) to the installation position of the pipe well through the extension of the steel wire rope (26); Step S23: After the row of pipes (8) are hoisted to the installation position of the pipe well, the infrared aligner (18) on the auxiliary bracket (24) is used to align with the bracket positioning point (20) set in advance on the wall of the pipe well, and the accurate installation position of the bracket is observed and adjusted in time. After confirming that the installation position is accurate, the auxiliary bracket (24) is fixed to the wall of the well by bolts, and the row of pipes (8) is fixed in the pipe well; Step S3: removing temporary lifting tools: after the first row of pipes (8) is hoisted and installed, loosen the basket bolts (22) fixing the wind rope (16), loosen the bolts of the square steel bracket (14) connected to both ends of the pipe bracket (12), remove the wind rope fixture (13), untie the steel wire rope (7), remove the circular steel plate (11), the circular steel plate (11) welded with the second small lifting ear (23), and the channel steel clamp (2) in turn, and continue to hoist the row of pipes on the first row of pipes (8); Step S4: Repeat the hoisting: repeat steps S2 to S3, hoist the rows of pipes (8) into the pipe well, and connect adjacent rows of pipes (8); Step S5: removing the final lifting tools: loosen the turnbuckle bolts (22) fixing the cable wind rope (16), loosen the bolts of the square steel bracket (14) connected to the two ends of the pipeline bracket (12), remove the cable wind rope fixer (13), untie the steel wire rope (7), remove the circular steel plate (11), the circular steel plate (11) welded with the second small lifting ear (23), and the channel steel clamp (2) in turn, and collect them for the next pipeline lifting work.

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