A lifting device for large diameter pipe jacking construction

Abstract

The invention discloses a hoisting device for large-diameter jacking pipe construction, comprising a cross beam, columns are symmetrically fixed at the left and right ends of the bottom of the cross beam, a bracket is installed on the top of the cross beam, a solar panel is installed on the top of the bracket, and batteries are evenly arranged on the cross beam at the bottom of the solar panel. The invention binds the jacking pipe and hangs it on a hook, then according to the specifications of the jacking pipe, the locking bolt is taken out from the inner cavity of the fixing block, so that the clamping block is separated from the inner cavity of the clamping groove, and the clamping plate is removed from the fixing block and replaced at this time, and then the servo motor is controlled to start through the control panel, and the servo motor drives the screw rod to rotate through the rotating shaft, so that the driving block drives the clamping plate to approach the jacking pipe until the rubber ball directly contacts the jacking pipe to fix it, so that the device can be conveniently used in a variety of ways to hoist jacking pipes of different specifications, reduce the possibility of the jacking pipe falling, and thus improve the practicality of the device.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a hoisting device for large-diameter jacking pipe construction. Background Art

[0002] With the large-scale and rapid development of urbanization, a large number of underground pipelines, underground transportation, and underground buildings have been continuously newly built, rebuilt, and expanded. Among them, the pipe jacking method is widely used due to its advantages such as wide applicable soil range, small soil disturbance, and small amount of operation engineering. Usually, a lifting device is required during the use of the pipe jacking, but the existing device still has certain problems. The specific problems are as follows:

[0003] Traditional devices cannot hoist roof panels of different specifications, which reduces the practicability of the device. In addition, the top pipe is prone to falling during the hoisting process, posing a safety hazard. In addition, traditional devices do not have the advantage of energy saving, resulting in energy waste. Summary of the invention

[0004] The object of the present invention is to provide a hoisting device for large-diameter jacking pipe construction to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hoisting device for large-diameter jacking pipe construction, comprising a cross beam, columns are symmetrically fixed at the left and right ends of the bottom of the cross beam, a bracket is installed on the top of the cross beam, a solar panel is installed on the top of the bracket, batteries are evenly arranged on the cross beam at the bottom of the solar panel, driving mechanisms are symmetrically installed at the left and right ends of the bottom of the cross beam, a take-up roller is installed at one end of the driving mechanism through a rotating shaft, a steel wire rope is wound around the outer wall of the take-up roller, a fixed pulley is fixed at one end of the bottom of the cross beam close to the driving mechanism, a buffer mechanism is installed on the steel wire rope passing through the fixed pulley, a lifting plate is installed at the bottom of the buffer mechanism, a screw rod is transversely installed in the inner cavity of the lifting plate through a bearing, The outer wall of the screw rod is sleeved with a driving block, and a servo motor is installed on the right side wall of the lifting plate. The power output end of the servo motor is connected to the right end of the screw rod through a rotating shaft, and a connecting rod is installed at the bottom of the driving block, and the connecting rod extends out of the lifting plate and is installed with a fixing block. The bottom of the lifting plate is provided with a strip hole matching the connecting rod, and a fixing block is installed at the bottom of the buffer mechanism, and a splint is installed at the end of the fixing block away from the lifting plate, and rubber balls are arranged at equal intervals on the inner wall of the splint, and a hook is installed at the end of the bottom of the lifting plate close to the splint, the output end of the solar panel is electrically connected to the input end of the battery through a photovoltaic controller, and the output end of the control panel is electrically connected to the input end of the servo motor through a wire.

[0006] Preferably, reinforcing ribs are provided at the connection between the cross beam and the column.

[0007] Based on the above technical features, the firmness of the connection between the crossbeam and the column is enhanced, thereby making the device more stable when in use.

[0008] Preferably, a base is fixed to the bottom of the column, fixing bolts are arranged at equal intervals on the edge of the top of the base, and the bottoms of the fixing bolts extend out of the base.

[0009] Based on the above technical features, the base can be directly fixed to the ground using fixing bolts when the device is in use, thereby improving the wind resistance and stability of the device.

[0010] Preferably, the driving mechanism includes a mounting seat, a worm gear, a mounting frame, a worm and a driving motor, the mounting seat of the driving mechanism is located at the bottom of the beam, the end of the mounting seat away from the vertical center line of the beam is equipped with a worm through a bearing, the end of the bottom of the beam away from the mounting seat is equipped with a driving motor, and the power output end of the driving motor is connected to one end of the worm through a rotating shaft, a worm gear is meshed under the worm, and the worm gear is fixed to one side of the take-up roller through the rotating shaft, and the input end of the driving motor is electrically connected to the output end of the control panel through a wire.

[0011] Based on the above technical features, the driving mechanism drives the take-up roller to rotate to realize the retraction and release of the wire rope.

[0012] Preferably, the buffer mechanism includes a movable rod, a buffer spring, a slide rail, a shell, a slider and a movable plate. The movable rod of the buffer mechanism is located at the bottom of the wire rope, the outer wall of the movable rod is sleeved with a shell, and the left and right side walls of the shell inner cavity are symmetrically provided with slide rails. Slide rails are slidably installed in the inner cavity of the slide rails, and a movable plate is installed between the sliders, and the top of the movable plate is connected to the bottom of the movable rod, and a buffer spring is arranged between the movable plate and the top of the inner cavity of the movable rod.

[0013] Based on the above technical features, when the top pipe rises, the shaking generated transmits the pressure to the movable plate through the movable rod, so that the movable plate slides in the inner cavity of the slide rail through the slider to squeeze the buffer spring, and the pressure is offset by the expansion and contraction of the buffer spring.

[0014] Preferably, the inner cavity of the fixing block is provided with a slot, the top of the clamping plate is provided with a block matching the slot, the left and right ends of the fixing block are symmetrically threaded with locking bolts, and one end of the locking bolt extends into the inner cavity of the fixing block and abuts against the block.

[0015] Based on the above technical features, it is convenient to remove the locking bolt from the inner cavity of the fixing block, so that the clamping block is separated from the inner cavity of the clamping slot, which makes it easy to remove the splint from the connecting rod and replace it with a size matching the top pipe, thereby improving the practicality of the device.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The jacking pipe is tied and hung on the hook. Then, according to the specifications of the jacking pipe, the locking bolt is taken out from the inner cavity of the fixing block, so that the clamping block is separated from the inner cavity of the clamping slot. At this time, the clamping plate is removed from the fixing block and replaced. Then, the servo motor is started by controlling the control panel. The servo motor drives the screw rod to rotate through the rotating shaft, so that the driving block drives the clamping plate to approach the jacking pipe until the rubber ball directly contacts the jacking pipe to fix it. In this way, the device can be conveniently used in a variety of ways to lift jacking pipes of different specifications, reduce the possibility of the jacking pipe falling, and thus improve the practicality of the device.

[0018] (2) The solar panel converts light energy into electrical energy through a photovoltaic controller and stores it in the inner cavity of a storage battery, so that the storage battery can provide a power source for the drive motor, servo motor and control panel, thereby reflecting the advantages of energy saving in the device, facilitating promotion and avoiding the consumption of large amounts of electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 It is a cross-sectional structural schematic diagram of the present invention;

[0021] Figure 2 It is a schematic diagram of the lifting plate structure when viewed from above of the present invention;

[0022] Figure 3 for Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 4 for Figure 1 Enlarged structural diagram at B in the middle.

[0024] In the figure: 1. solar panel; 2. crossbeam; 3. take-up roller; 4. bracket; 5. fixed pulley; 6. battery; 7. driving mechanism; 701. mounting seat; 702. worm gear; 703. mounting frame; 704. worm; 705. driving motor; 8. servo motor; 9. lead screw; 10. rubber ball; 11. control panel; 12. fixing bolt; 13. base; 14. clamping plate; 15. hook; 16. driving block; 17. lifting plate; 18. wire rope; 19. reinforcing rib; 20. column; 21. strip hole; 22. buffer mechanism; 2201. movable rod; 2202. buffer spring; 2203. slide rail; 2204. shell; 2205. slider; 2206. movable plate; 23. connecting rod; 24. fixing block; 25. locking bolt; 26. slot; 27. block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-4An embodiment of the present invention is as follows: a hoisting device for large-diameter jacking pipe construction, comprising a cross beam 2, columns 20 are symmetrically fixed at the left and right ends of the bottom of the cross beam 2, reinforcing ribs 19 are arranged at the connection between the cross beam 2 and the column 20, a base 13 is fixed at the bottom of the column 20, fixing bolts 12 are arranged at equal intervals at the edge of the top of the base 13, and the bottom of the fixing bolts 12 protrude from the base 13, a bracket 4 is installed on the top of the cross beam 2, a solar cell panel 1 is installed on the top of the bracket 4, and batteries 6 are evenly arranged on the cross beam 2 at the bottom of the solar cell panel 1, a driving mechanism 7 is symmetrically installed at the left and right ends of the bottom of the cross beam 2, a take-up roller 3 is installed at one end of the driving mechanism 7 through a rotating shaft, and the driving mechanism 7 includes a mounting seat 701, a worm gear 702, and a mounting frame 703. 03, worm 704 and drive motor 705, the mounting seat 701 of the drive mechanism 7 is located at the bottom of the beam 2, the end of the mounting seat 701 away from the vertical center line of the beam 2 is installed with a worm 704 through a bearing, the end of the bottom of the beam 2 away from the mounting seat 701 is installed with a drive motor 705, and the power output end of the drive motor 705 is connected to one end of the worm 704 through a rotating shaft, a worm wheel 702 is meshed below the worm 704, and the worm wheel 702 is fixed to one side of the take-up roller 3 through the rotating shaft, the input end of the drive motor 705 is electrically connected to the output end of the control panel 11 through a wire, the outer wall of the take-up roller 3 is wrapped with a steel wire rope 18, a fixed pulley 5 is fixed to the end of the bottom of the beam 2 close to the drive mechanism 7, and the steel wire rope 18 passes through the fixed pulley 5 and is installed A buffer mechanism 22 is provided at the bottom of the buffer mechanism 22. A screw 9 is transversely provided in the inner cavity of the lifting plate 17 through a bearing. A driving block 16 is sleeved on the outer wall of the screw 9. A servo motor 8 is provided on the right side wall of the lifting plate 17. The power output end of the servo motor 8 is connected to the right end of the screw 9 through a rotating shaft. A connecting rod 23 is provided at the bottom of the driving block 16. The connecting rod 23 extends out of the lifting plate 17 and is provided with a fixed block 24. The buffer mechanism 22 includes a movable rod 2201, a buffer spring 2202, a slide rail 2203, a shell 2204, a slider 2205 and a movable plate 2206. The movable rod 2201 of the buffer mechanism 22 is located at the bottom of the wire rope 18. The outer wall of the movable rod 2201 is sleeved with a shell 2204. The shell 2204 The left and right side walls of the inner cavity are symmetrically provided with slide rails 2203, and the inner cavity of the slide rails 2203 is slidably installed with sliders 2205, and a movable plate 2206 is installed between the sliders 2205, and the top of the movable plate 2206 is connected to the bottom of the movable rod 2201, and a buffer spring 2202 is arranged between the movable plate 2206 and the top of the inner cavity of the movable rod 2201, and the bottom of the lifting plate 17 is provided with a strip hole 21 matching with the connecting rod 23, and the bottom of the buffer mechanism 22 is installed with a fixed block 24, and the end of the fixed block 24 away from the lifting plate 17 is installed with a clamping plate 14, and the inner cavity of the fixed block 24 is provided with a card slot 26, and the top of the clamping plate 14 is provided with a card block 27 matching with the card slot 26, and the left and right ends of the fixed block 24 are symmetrically screwed with locking bolts 25.One end of the locking bolt 25 extends into the inner cavity of the fixing block 24 and abuts against the clamping block 27. The inner wall of the clamping plate 14 is provided with rubber balls 10 at equal intervals. A hook 15 is installed at the bottom of the lifting plate 17 near the clamping plate 14. The output end of the solar panel 1 is electrically connected to the input end of the battery 6 through the photovoltaic controller, and the output end of the control panel 11 is electrically connected to the input end of the servo motor 8 through a wire.

[0027] Working principle: When in use, the base 13 is directly in contact with the ground, and the fixing bolts 12 are screwed into the ground to facilitate the fixed installation of the device, thereby improving the stability of the device during operation. At the same time, the solar panel 1 converts light energy into electrical energy through the photovoltaic controller and stores it in the inner cavity of the battery 6, thereby providing a power source for the device. The control panel 11 is used to energize the drive motor 705 to drive the worm 704 to rotate, and the rotation of the worm 704 drives the worm wheel 702 to rotate, thereby driving the take-up roller 3 to rotate, driving the wire rope 18 to be retracted and released, and then driving the lifting plate 17 to move up and down, and the jacking pipe to be hoisted is tied to the bottom of the hook 15. Then, according to the specifications of the jacking pipe, the locking bolt 25 is removed from the inner cavity of the fixing block 24, so that the clamping block 27 is separated from the inner cavity of the clamping slot 26. At this time, the splint 14 is removed from the fixing block 24. The servo motor 8 is started after being removed and replaced through the control panel 11. The servo motor 8 drives the screw 9 to rotate through the rotating shaft, so that the driving block 16 drives the clamping plate 14 to approach the jacking pipe until the rubber ball 10 directly contacts the jacking pipe to fix and lock it, so that the device is convenient for hoisting jacking pipes of different specifications in a variety of ways, reducing the possibility of the jacking pipe falling, thereby improving the practicality of the device. When the jacking pipe rises, the shaking generated will transmit the pressure to the movable plate 2206 through the movable rod 2201, so that the movable plate 2206 slides in the inner cavity of the slide rail 2203 through the slider 2205, thereby squeezing the buffer spring 2202, and the pressure is offset by the expansion and contraction of the buffer spring 2202, reducing the pressure on the hoisting device, so that the jacking pipe is more stable during the rising process.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any reference numerals in the claims should not be regarded as limiting the claims involved.

Claims

1. A lifting device for large-diameter pipe jacking construction, comprising a crossbeam (2), characterized in that: The left and right ends of the bottom of the crossbeam (2) are symmetrically fixed with upright posts (20); the top of the crossbeam (2) is mounted with a bracket (4); the top of the bracket (4) is mounted with a solar panel (1); batteries (6) are evenly arranged on the crossbeam (2) at the bottom of the solar panel (1); driving mechanisms (7) are symmetrically mounted on the left and right ends of the bottom of the crossbeam (2); a take-up roller (3) is mounted on one end of the driving mechanism (7) via a rotating shaft; a steel wire rope (18) is wound around the outer wall of the take-up roller (3); and the bottom of the crossbeam (2) is mounted with a bracket (4); a solar panel (1) is mounted on the top of the bracket (4); and storage batteries (6) are evenly arranged on the crossbeam (2) at the bottom of the solar panel (1). A fixed pulley (5) is fixed to one end of the part close to the driving mechanism (7); the steel wire rope (18) passes through the fixed pulley (5) and is installed with a buffer mechanism (22); a lifting plate (17) is installed at the bottom of the buffer mechanism (22); a screw rod (9) is transversely installed in the inner cavity of the lifting plate (17) through a bearing; a driving block (16) is sleeved on the outer wall of the screw rod (9); a servo motor (8) is installed on the right side wall of the lifting plate (17); a power output end of the servo motor (8) is connected to the right end of the screw rod (9) through a rotating shaft; and the driving block (16) is installed on the outer wall of the lifting plate (17). A connecting rod (23) is installed at the bottom of the block (16), and the connecting rod (23) extends out of the lifting plate (17) and is installed with a fixing block (24). The bottom of the lifting plate (17) is provided with a strip hole (21) that matches the connecting rod (23). The bottom of the buffer mechanism (22) is installed with a fixing block (24). The end of the fixing block (24) away from the lifting plate (17) is installed with a clamping plate (14). The inner wall of the clamping plate (14) is evenly spaced with rubber balls (10). The bottom of the lifting plate (17) is close to the clamping plate (14). A hook (15) is installed at one end of the solar panel (1), the output end of the solar panel (1) is electrically connected to the input end of the battery (6) through a photovoltaic controller, and the output end of the control panel (11) is electrically connected to the input end of the servo motor (8) through a wire; a reinforcing rib (19) is provided at the connection between the crossbeam (2) and the column (20); a base (13) is fixed at the bottom of the column (20), and fixing bolts (12) are arranged at equal intervals at the edge of the top of the base (13), and the bottom of the fixing bolts (12) protrudes out of the base (13); The driving mechanism (7) comprises a mounting seat (701), a worm wheel (702), a mounting frame (703), a worm (704) and a driving motor (705); the mounting seat (701) of the driving mechanism (7) is located at the bottom of the crossbeam (2); the end of the mounting seat (701) away from the vertical center line of the crossbeam (2) is mounted with the worm (704) via a bearing; the end of the bottom of the crossbeam (2) away from the mounting seat (701) is mounted with the driving motor (705); the power output end of the driving motor (705) is connected to one end of the worm (704) via a rotating shaft; the worm wheel (702) is meshed below the worm (704); the worm wheel (702) is fixed to one side of the take-up roller (3) via a rotating shaft; the input end of the driving motor (705) is electrically connected to the output end of the control panel (11) via a wire; The buffer mechanism (22) comprises a movable rod (2201), a buffer spring (2202), a slide rail (2203), a shell (2204), a slider (2205) and a movable plate (2206); the movable rod (2201) of the buffer mechanism (22) is located at the bottom of the steel wire rope (18); the outer wall of the movable rod (2201) is sleeved with the shell (2204); the left and right side walls of the inner cavity of the shell (2204) are symmetrically provided with slide rails (2203); the inner cavity of the slide rail (2203) is slidably provided with sliders (2205); a movable plate (2206) is installed between the sliders (2205); the top of the movable plate (2206) is connected to the bottom of the movable rod (2201); and a buffer spring (2202) is provided between the movable plate (2206) and the top of the inner cavity of the movable rod (2201); The inner cavity of the fixing block (24) is provided with a slot (26), the top of the clamping plate (14) is provided with a block (27) matching the slot (26), the left and right ends of the fixing block (24) are symmetrically screwed with locking bolts (25), and one end of the locking bolt (25) extends into the inner cavity of the fixing block (24) and abuts against the block (27).

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