Hoisting device for hydraulic engineering pipeline

Abstract

The utility model discloses a hoisting device for a water conservancy project pipeline, which comprises a bottom plate and universal wheels fixedly arranged on the periphery of the bottom of the bottom plate, and further comprises winding rollers symmetrically fixed on the outer side of a rotating shaft, pull ropes are wound on the outer sides of the winding rollers, the bottom ends of the pull ropes are fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the bottom of the rotating shaft. Placing boxes are symmetrically fixed to the bottom of the fixing plate, clamping mechanisms are arranged in the placing boxes, lead screws are rotationally connected to the periphery of the top of the bottom plate, positioning rods are installed on the outer portions of the lead screws, suction cups are fixedly connected to the bottoms of the positioning rods, and the clamping mechanisms comprise air cylinders; and a telescopic part of the air cylinder is fixedly connected with a mounting plate. The pipeline clamping device solves the problems that the clamping force is inconvenient to grasp flexibly when the pipeline is clamped through manual rotation, the pipeline is easy to slip when the clamping force is small, the pipeline is deformed and damaged when the clamping force is too large, and the clamping effect of the device is poor.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a hoisting device for water conservancy project pipelines. Background Art

[0002] During the construction of water conservancy projects, it is necessary to assemble and construct their pipelines. When the pipe body is moved and installed, it needs to be hoisted and moved by a pipeline hoisting device for water conservancy projects. Now, there is a need for a pipeline hoisting device for water conservancy projects that is highly applicable and easy to adjust.

[0003] Publication No. CN211769887U discloses a pipe hoisting device for water conservancy projects, including a crossbar, an adjustment structure, a clamping structure and a frame, one side of the frame is fixedly connected to the crossbar, and the outer side wall of the crossbar is movably connected to a sliding box, the bottom end of the sliding box is fixedly connected to a transmission wheel, and the inside of the transmission wheel is movably connected to a transmission rod, but the patent still has the following problems in actual use:

[0004] By rotating the bolt block, the bolt block rotates to drive the screw rod to rotate, so that the screw rod pushes the movable rod to adjust the movement, and the guide block installed on one side of the movable rod slides in the guide groove set inside the bracket, so that the distance between the plug rod and the movable rod can be adjusted, and pipes of different widths can be clamped, making the use of the device more efficient. However, when clamping and fixing the pipeline, the clamping device mainly clamps the pipeline by manual rotation, which is not convenient for flexibly controlling the size of the clamping force. When the clamping force is small, it is easy to cause the pipeline to slip. When the clamping force is too large, it will cause deformation and damage to the pipeline. The clamping effect of the device is poor and has certain limitations.

[0005] A lifting device for a water conservancy project pipeline is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a lifting device for water conservancy project pipelines, so as to solve the problem that it is inconvenient to flexibly control the size of the clamping force when the pipeline is clamped by manual rotation, the pipeline is easily slipped when the clamping force is small, and the pipeline is deformed and damaged when the clamping force is too large, and the clamping effect of the device is poor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for a water conservancy project pipeline, comprising a bottom plate and universal wheels fixedly installed around the bottom of the bottom plate, the top of the bottom plate is symmetrically fixed with side plates, and the top of the side plates is fixedly connected with a top plate;

[0008] A servo motor is symmetrically mounted on the top of the top plate, and a rotating shaft is fixedly connected to the output end of the servo motor;

[0009] Also includes:

[0010] A winding roller is symmetrically fixed on the outer side of the rotating shaft, a pull rope is wound on the outer side of the winding roller, a fixing plate is fixedly connected to the bottom end of the pull rope, a placement box is symmetrically fixed to the bottom of the fixing plate, and a clamping mechanism is arranged inside the placement box;

[0011] Wherein, a screw rod is rotatably connected to the top of the bottom plate, a positioning rod is installed outside the screw rod, and a suction cup is fixedly connected to the bottom of the positioning rod;

[0012] Among them, the clamping mechanism includes a cylinder, the telescopic part of the cylinder is fixedly connected to a mounting plate, the side of the mounting plate away from the cylinder is connected to a sliding rod, one end of the sliding rod is fixedly connected to a clamping block, the other end of the sliding rod is installed with a spring, the bottom of the mounting plate is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a pushing ramp, one side of the pushing ramp is inclined, a telescopic rod is fixedly connected to the middle of the inner bottom surface of the placement box, and a top block is installed on the top of the telescopic rod.

[0013] Preferably, the cylinder is symmetrically installed on both sides of the placement box, the interior of the mounting plate is symmetrically provided with sliding grooves, the sliding rod is slidably connected to the sliding grooves, the spring 1 is located inside the sliding grooves, and one end of the spring 1 is fixedly connected to the mounting plate.

[0014] Preferably, the connecting rod is L-shaped, a fixing block is fixedly connected to the top end of the telescopic portion of the telescopic rod, and the pushing ramp abuts against the fixing block.

[0015] Preferably, a second spring is fixedly connected to the top of the fixed block, an end of the second spring away from the fixed block is fixedly connected to the top block, the clamping block is arranged in an arc shape, and the top block is arranged in an arc shape.

[0016] Preferably, a groove is opened on one side of the side plate, a guide rod is fixedly connected inside the groove, guide blocks are fixedly connected on both sides of the fixed plate, the guide blocks are located inside the groove, and the guide blocks are slidably connected to the guide rod.

[0017] Preferably, four screw rods are symmetrically arranged, and the outer sides of the screw rods are threadedly connected with threaded sleeves.

[0018] Preferably, the outer side of the threaded sleeve is rotatably connected to a rotating ring, and the top of the positioning rod is fixedly connected to the rotating ring.

[0019] Compared with the prior art, the utility model has the following beneficial effects: by setting the clamping mechanism, it is convenient to clamp both sides and the bottom of pipes of different diameters at the same time, thereby improving the clamping effect and reducing the loosening and slipping of the pipes. The elastic force of the second spring and the first spring buffers the clamping block and the top block, thereby providing a larger clamping force and reducing the clamping damage to the pipes. The specific contents are as follows:

[0020] 1. By setting a clamping mechanism, the clamping mechanism includes a placement box, a cylinder, a mounting plate, a clamping block, a slide groove, a slide rod, a spring 1, a connecting rod, a push ramp, a telescopic rod, a fixed block, a spring 2 and a top block. When fixing the pipeline, the pipeline is passed between two placement boxes arranged in parallel on one side, and then the cylinder is started to extend. The cylinder drives the mounting plate to move toward the middle, and the mounting plate drives the slide rod and the clamping block to move, so that the clamping blocks on both sides clamp the two sides of the pipeline. At the same time, the mounting plate drives the bottom connecting rod to move, and the connecting rod drives the push ramp to move, and the inclined surface of the push ramp pushes the fixed block, so that the telescopic rod is extended, and the fixed block drives the top block to rise, which is convenient for simultaneously fixing pipes of different diameters. The two sides and bottom of the channel are clamped, which improves the clamping effect and reduces the loosening and sliding of the pipeline. After the clamping block contacts the pipeline, the cylinder continues to extend to drive the slide rod to move inside the slide groove, and the slide rod compresses the slide groove. After the top block is pressed against the pipeline, the fixed block rises to compress spring 2. The elastic force of spring 2 and spring 1 buffers the clamping block and the top block, which not only provides a large clamping force, but also reduces the clamping damage to the pipeline. It is practical and solves the problem that it is not convenient to flexibly control the size of the clamping force when clamping the pipeline by manual rotation, it is easy to cause the pipeline to slide when the clamping force is small, and it will cause deformation and damage to the pipeline when the clamping force is too large, and the clamping effect of the device is poor.

[0021] 2. A screw rod, a positioning rod, a groove, a guide rod, a guide block, a threaded sleeve and a rotating ring are provided. When the device is in use, it is moved to the use position, the positioning rod is rotated, and the positioning rod drives the rotating ring to rotate on the outside of the threaded sleeve. The positioning rod is adjusted to a suitable position, and then the screw rod is rotated. The screw rod drives the threaded sleeve to descend, so that the suction cup at the bottom of the positioning rod is adsorbed to the ground, and then the remaining suction cups are fixed in sequence, which improves the stability of the device during use. After fixing, the servo motor is started, and the servo motor drives the rotating shaft to rotate, and the rotating shaft drives the winding roller to rotate, so that the pull rope is wound up and raised, and the pull rope drives the fixed plate and the placement box to rise, and the fixed plate drives the guide block to slide on the outside of the guide rod, and then the pipeline is hoisted to a suitable height for construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model in front section;

[0023] Figure 2 It is a schematic diagram of the overall structure of the side section of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the clamping block of the utility model;

[0025] Figure 4 For this utility model Figure 1 A is an enlarged structural diagram;

[0026] Figure 5For this utility model Figure 3 The enlarged structural diagram at B in FIG.

[0027] Figure 6 This is a schematic diagram of the utility model when the placement box is in an elevated state.

[0028] In the figure: 1. bottom plate; 2. universal wheel; 3. side plate; 4. top plate; 5. servo motor; 6. rotating shaft; 7. pull rope; 8. fixed plate; 9. placement box; 10. screw rod; 11. positioning rod; 12. cylinder; 13. mounting plate; 14. clamping block; 15. slide groove; 16. slide rod; 17. spring 1; 18. connecting rod; 19. push ramp; 20. telescopic rod; 21. fixed block; 22. spring 2; 23. top block; 24. groove; 25. guide rod; 26. guide block; 27. threaded sleeve; 28. rotating ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6 The utility model provides a technical solution: a lifting device for a water conservancy project pipeline, comprising a bottom plate 1 and universal wheels 2 fixedly installed around the bottom of the bottom plate 1, side plates 3 are symmetrically fixed on the top of the bottom plate 1, and a top plate 4 is fixedly connected to the top of the side plates 3.

[0031] A servo motor 5 is symmetrically mounted on the top of the top plate 4 , and a rotating shaft 6 is fixedly connected to the output end of the servo motor 5 .

[0032] A winding roller is symmetrically fixed to the outer side of the rotating shaft 6, a pull rope 7 is wound around the outer side of the winding roller, a fixing plate 8 is fixedly connected to the bottom end of the pull rope 7, a placement box 9 is symmetrically fixed to the bottom of the fixing plate 8, and a clamping mechanism is arranged inside the placement box 9.

[0033] Among them, the top of the base plate 1 is rotatably connected with a screw rod 10, the outside of the screw rod 10 is installed with a positioning rod 11, and the bottom of the positioning rod 11 is fixedly connected with a suction cup. When the device is in use, it is moved to the use position, and the positioning rod 11 is rotated. The positioning rod 11 drives the rotating ring 28 to rotate on the outside of the threaded sleeve 27, and the positioning rod 11 is adjusted to a suitable position. Then the screw rod 10 is rotated again. The screw rod 10 drives the threaded sleeve 27 to descend, so that the suction cup at the bottom of the positioning rod 11 is adsorbed to the ground, and then the remaining suction cups are fixed in sequence, thereby improving the stability of the device when in use.

[0034] Among them, the clamping mechanism includes a cylinder 12, the telescopic part of the cylinder 12 is fixedly connected to the mounting plate 13, the side of the mounting plate 13 away from the cylinder 12 is connected to a slide rod 16, one end of the slide rod 16 is fixedly connected to the clamping block 14, the other end of the slide rod 16 is installed with a spring 17, the bottom of the mounting plate 13 is fixedly connected to a connecting rod 18, one end of the connecting rod 18 is fixedly connected to a pushing ramp 19, one side of the pushing ramp 19 is inclined, a telescopic rod 20 is fixedly connected to the middle of the inner bottom surface of the placement box 9, and a top block 23 is installed at the top of the telescopic rod 20.

[0035] The cylinder 12 is symmetrically installed on both sides of the placement box 9, and the interior of the mounting plate 13 is symmetrically provided with slide grooves 15, the slide rod 16 is slidably connected to the slide groove 15, and a spring 17 is located inside the slide groove 15, and one end of the spring 17 is fixedly connected to the mounting plate 13.

[0036] The connecting rod 18 is L-shaped. A fixing block 21 is fixedly connected to the top of the telescopic portion of the telescopic rod 20 , and the inclined platform 19 is pushed to abut against the fixing block 21 .

[0037] A second spring 22 is fixedly connected to the top of the fixed block 21 , and one end of the second spring 22 away from the fixed block 21 is fixedly connected to the top block 23 . The clamping block 14 is arranged in an arc shape, and the top block 23 is arranged in an arc shape.

[0038] By setting a clamping mechanism, the clamping mechanism includes a placement box 9, a cylinder 12, a mounting plate 13, a clamping block 14, a slide groove 15, a slide rod 16, a spring 17, a connecting rod 18, a push ramp 19, a telescopic rod 20, a fixing block 21, a spring 22 and a top block 23. When fixing the pipeline, the pipeline is passed between two placement boxes 9 arranged side by side, and then the cylinder 12 is started to extend. The cylinder 12 drives the mounting plate 13 to move toward the middle, and the mounting plate 13 drives the slide rod 16 and the clamping block 14 to move, so that the clamping blocks 14 on both sides clamp the two sides of the pipeline.

[0039] At the same time, the mounting plate 13 will drive the connecting rod 18 at the bottom to move, and the connecting rod 18 will drive the inclined platform 19 to move, and the inclined surface of the inclined platform 19 will push the fixed block 21, so that the telescopic rod 20 is extended, and the fixed block 21 drives the top block 23 to rise, so as to clamp the two sides and the bottom of the pipes with different diameters at the same time, improve the clamping effect, and reduce the loosening and slipping of the pipes. After the clamping block 14 contacts the pipe, the cylinder 12 continues to extend to drive the slide rod 16 to move toward the inside of the slide groove 15, and the slide rod 16 compresses The slide groove 15, after the top block 23 presses against the pipeline, the fixed block 21 rises to compress the spring 22, and the elastic force of the spring 22 and the spring 1 17 buffers the clamping block 14 and the top block 23, which not only provides a larger clamping force, but also reduces the clamping damage to the pipeline. It is practical and solves the problem that it is inconvenient to flexibly control the size of the clamping force when clamping the pipeline by manual rotation, and it is easy to cause the pipeline to slip when the clamping force is small, and it will cause deformation and damage to the pipeline when the clamping force is too large, and the clamping effect of the device is poor.

[0040] A groove 24 is provided on one side of the side plate 3, and a guide rod 25 is fixedly connected inside the groove 24. Guide blocks 26 are fixedly connected on both sides of the fixed plate 8. The guide blocks 26 are located inside the groove 24, and the guide blocks 26 are slidably connected to the guide rod 25. Four screw rods 10 are symmetrically arranged, and a threaded sleeve 27 is threadedly connected to the outer side of the screw rod 10.

[0041] The outer side of the threaded sleeve 27 is rotatably connected with a rotating ring 28 , and the top of the positioning rod 11 is fixedly connected to the rotating ring 28 .

[0042] Working principle:

[0043] Before using this kind of lifting device for water conservancy project pipeline, it is necessary to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6 As shown, when the device is in use, it is moved to the use position, the positioning rod 11 is rotated, the positioning rod 11 drives the rotating ring 28 to rotate on the outside of the threaded sleeve 27, the positioning rod 11 is adjusted to a suitable position, and then the screw rod 10 is rotated, the screw rod 10 drives the threaded sleeve 27 to descend, so that the suction cup at the bottom of the positioning rod 11 is adsorbed to the ground, and then the remaining suction cups are fixed in sequence, thereby improving the stability of the device when in use.

[0044] After fixation, the pipeline is fixed by passing the pipeline through two placement boxes 9 arranged side by side on one side, and then the cylinder 12 is started to extend. The cylinder 12 drives the mounting plate 13 to move toward the middle, and the mounting plate 13 drives the sliding rod 16 and the clamping block 14 to move, so that the clamping blocks 14 on both sides clamp the two sides of the pipeline. At the same time, the mounting plate 13 will drive the connecting rod 18 at the bottom to move, and the connecting rod 18 drives the pushing ramp 19 to move, and the inclined surface of the pushing ramp 19 pushes the fixed block 21, so that the telescopic rod 20 extends, and the fixed block 21 drives the top block 23 to rise, so as to clamp the two sides and the bottom of the pipelines of different diameters at the same time, thereby improving the clamping effect and reducing the loosening and slipping of the pipeline.

[0045] After the clamping block 14 contacts the pipe, the cylinder 12 continues to extend, driving the slide rod 16 to move toward the inside of the slide groove 15. The slide rod 16 compresses the slide groove 15. After the top block 23 presses against the pipe, the fixed block 21 rises and compresses the spring 22. The elastic force of the spring 22 and the spring 1 17 cushions the clamping block 14 and the top block 23.

[0046] After the pipeline is fixed, start the servo motor 5, which drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the winding roller to rotate, so that the pull rope 7 is wound up and raised, and the pull rope 7 drives the fixed plate 8 and the placement box 9 to rise, and the fixed plate 8 drives the guide block 26 to slide on the outside of the guide rod 25, so that the pipeline can be hoisted to a suitable height for construction.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lifting device for a water conservancy project pipeline, comprising a bottom plate (1) and universal wheels (2) fixedly mounted on the bottom of the bottom plate (1) and around the bottom, side plates (3) are symmetrically fixed on the top of the bottom plate (1), and a top plate (4) is fixedly connected to the top of the side plates (3); A servo motor (5) is symmetrically mounted on the top of the top plate (4), and a rotating shaft (6) is fixedly connected to the output end of the servo motor (5); It is characterized in that Also includes: A winding roller is symmetrically fixed on the outer side of the rotating shaft (6), a pull rope (7) is wound on the outer side of the winding roller, a fixing plate (8) is fixedly connected to the bottom end of the pull rope (7), a placement box (9) is symmetrically fixed to the bottom of the fixing plate (8), and a clamping mechanism is arranged inside the placement box (9); The top of the bottom plate (1) is rotatably connected to a screw rod (10), a positioning rod (11) is installed outside the screw rod (10), and a suction cup is fixedly connected to the bottom of the positioning rod (11); The clamping mechanism comprises a cylinder (12), the telescopic part of the cylinder (12) is fixedly connected to a mounting plate (13), the side of the mounting plate (13) away from the cylinder (12) is connected to a slide rod (16), one end of the slide rod (16) is fixedly connected to a clamping block (14), the other end of the slide rod (16) is installed with a spring (17), the bottom of the mounting plate (13) is fixedly connected to a connecting rod (18), one end of the connecting rod (18) is fixedly connected to a pushing ramp (19), one side of the pushing ramp (19) is inclined, the middle of the inner bottom surface of the placement box (9) is fixedly connected to a telescopic rod (20), and the top of the telescopic rod (20) is installed with a top block (23).

2. A lifting device for a water conservancy project pipeline according to claim 1, characterized in that: The cylinder (12) is symmetrically mounted on both sides of the placement box (9); a slide groove (15) is symmetrically opened in the upper and lower parts of the mounting plate (13); the slide rod (16) is slidably connected to the slide groove (15); the spring (17) is located in the slide groove (15); and one end of the spring (17) is fixedly connected to the mounting plate (13).

3. A lifting device for a hydraulic engineering pipeline according to claim 1, characterized in that: The connecting rod (18) is L-shaped, the top end of the telescopic portion of the telescopic rod (20) is fixedly connected to a fixed block (21), and the pushing ramp (19) is in contact with the fixed block (21).

4. A lifting device for a hydraulic engineering pipeline according to claim 3, characterized in that: A second spring (22) is fixedly connected to the top of the fixed block (21); one end of the second spring (22) away from the fixed block (21) is fixedly connected to a top block (23); the clamping block (14) is arranged in an arc shape; and the top block (23) is arranged in an arc shape.

5. A lifting device for a hydraulic engineering pipeline according to claim 1, characterized in that: A groove (24) is provided on one side of the side plate (3), a guide rod (25) is fixedly connected inside the groove (24), and guide blocks (26) are fixedly connected on both sides of the fixed plate (8), the guide blocks (26) are located inside the groove (24), and the guide blocks (26) are slidably connected to the guide rod (25).

6. A lifting device for a water conservancy project pipeline according to claim 1, characterized in that: Four screw rods (10) are symmetrically arranged, and the outer sides of the screw rods (10) are threadedly connected with threaded sleeves (27).

7. A lifting device for a hydraulic engineering pipeline according to claim 6, characterized in that: The outer side of the threaded sleeve (27) is rotatably connected to a rotating ring (28), and the top of the positioning rod (11) is fixedly connected to the rotating ring (28).

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