Construction site steel pipe hoisting device with high safety

Abstract

The invention discloses a construction site steel pipe hoisting device with high safety, which comprises two semicircular insertion pieces, one end of each insertion piece is rotatably connected with a connecting ring, a supporting structure is arranged in each connecting ring, and the other end of each insertion piece is rotatably connected with the corresponding connecting ring. The supporting structure is connected with the two inserting pieces, a ratchet wheel roller is arranged on one side of the connecting ring, a lifting plate is movably connected to the lower end of the connecting ring, connecting holes are formed in the two ends of the lifting plate, and linkage ropes are movably connected into the connecting holes. The bottoms of bundled steel pipes can be fixed and lifted from the two ends, and the situation that the steel pipes incline towards one side in the lifting process and then fall off is avoided. The insertion piece is inserted into the lower steel pipe of the bundled steel pipes, and then the ratchet wheel roller is rotated. And the ratchet wheel roller tensions the connecting rope, so that the stretching blocks extrude the insertion pieces on the two sides towards the two sides, and the insertion pieces and the steel pipe are forced to be fixed.

Description

Technical Field

[0001] The invention relates to the technical field of material handling, and in particular to a steel pipe lifting device for a construction site with high safety. Background Art

[0002] The lifting of materials on the construction site must strictly comply with safety regulations and correct operating procedures. Lifting materials on the construction site is a complex project that requires strict compliance with technical specifications and operating procedures to ensure the safety and smooth progress of the construction process. Only on the basis of strict compliance with technical specifications can we effectively prevent accidents and ensure the smooth progress of construction on the construction site.

[0003] Searching the prior art, the announcement number CN112645209A discloses a synchronous lifting device for multiple steel pipes for construction, which includes a hanging seat, a first steel wire rope, a second steel wire rope, a tray mechanism and a third steel wire rope, wherein one end of the first steel wire rope is connected to the hanging seat, and the other end is provided with a first hook; one end of the second steel wire rope is provided on the hanging seat, and the other end is provided with a second hook, and its length is greater than the length of the first steel wire rope; the tray mechanism is used to hold one end of the steel pipe close to the second hook; one end of the third steel wire rope is connected to the hanging seat, and the other end is connected to the tray mechanism.

[0004] In the reference document, the second steel wire rope is set longer than the first steel wire rope to make the multiple steel pipes tilt actively, and then the lower end of the multiple steel pipes is supported by the third steel wire rope and the tray mechanism, so that the steel pipes will not slip during the lifting process. However, during the lifting and rotation process, the center of the steel pipe will change, causing the steel pipe to tilt to the other side, resulting in the steel pipe falling off. Summary of the invention

[0005] The purpose of the present invention is to provide a construction site steel pipe lifting device with high safety to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: it includes an insertion piece, the shape of the insertion piece is semicircular, the number of the insertion pieces is two, one end of the two insertion pieces are rotatably connected with a connecting ring, a supporting structure is provided inside the connecting ring, and the supporting structure is respectively connected to the two insertion pieces, a ratchet roller is provided on one side of the connecting ring, the lower end of the connecting ring is movably connected with a lifting plate, both ends of the lifting plate are provided with connecting holes, and a linkage rope is movably connected in the connecting hole.

[0007] Preferably, the support structure comprises an inclined block, the inside of the two inserting pieces are provided with an inclined block, a stretching block is provided between the two inclined blocks, a limit strip is fixedly connected to the inclined surface of the inclined block, a slide groove is provided inside the stretching block, a support roller is provided on the slide groove, and a connecting rope is provided at one end of the stretching block.

[0008] Preferably, a through hole is provided on the connecting ring, a connecting rope passes through the through hole, one end of the connecting rope is fixedly connected to the ratchet roller, and one end of the ratchet roller is fixedly connected to a turntable.

[0009] Preferably, a guide column is fixedly connected to the upper surface of the lifting plate, a lifting groove is provided inside the guide column, and an insert plate is fixedly connected to the lower end of the connecting ring, and the insert plate is adapted to the lifting groove.

[0010] Preferably, a plurality of limiting protrusions are fixedly connected to the upper surface of the lifting plate, a mounting base is fixedly linked to one side of the lifting plate, a limiting column is provided at the upper end of the mounting base, an insertion vertebra is provided at the upper end of the limiting column, a connecting rope is fixedly connected to the upper end of the insertion vertebra, and an insertion hole is fixedly connected to the lower surface of the connecting ring, and the insertion hole is adapted to the insertion vertebra.

[0011] Preferably, both ends of the linkage rope are fixedly connected with sliding blocks, and a card slot is provided inside the connecting hole, and the sliding card block is adapted to the card slot.

[0012] Preferably, a through hole is provided inside the connecting ring, and the connecting rope passes through the through hole.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the bottom of the bundled steel pipes can be fixed and lifted from both ends to prevent the steel pipes from tilting to one side and falling during the lifting process. Insert the insert piece into the lower steel pipe of the bundled steel pipe, and then rotate the ratchet roller. The ratchet roller tightens the connecting rope so that the stretching block squeezes the insert pieces on both sides to force the insert pieces to be fixed to the steel pipe. The remaining steel pipes are then placed on the lifting plate, and the positioning protrusions on the lifting plate can play the role of limiting the position of the steel pipes. When multiple lifting plates are provided, the multiple lifting plates are connected to each other, which can extend the length of the lifting plate and carry more bundles of steel pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the positioning plate of the present invention;

[0016] Figure 3 It is a schematic diagram of the positioning mechanism structure of the present invention;

[0017] Figure 4 It is a schematic diagram of the internal structure of the positioning mechanism of the present invention;

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the positioning mechanism of the present invention.

[0019] In the figure: 1. Insertion piece; 2. Sliding block; 3. Connecting ring; 4. Support structure; 5. Ratchet roller; 6. Lifting plate; 7. Connecting hole; 8. Linkage rope; 9. Tilting block; 10. Stretching block; 11. Limiting strip; 12. Slide groove; 13. Support roller; 14. Connecting rope; 15. Turntable; 16. Guide column; 17. Lifting groove; 18. Insertion plate; 19. Limiting cam; 20. Mounting base; 21. Insertion vertebra; 22. Limiting column. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-Figure 5 , the embodiment provided by the present invention:

[0022] Embodiment: It includes an insert piece 1, the shape of the insert piece 1 is semicircular, and the number of the insert pieces 1 is two. After the two insert pieces 1 are inserted into the steel pipe, the steel pipe can be fixed from the inner side of the steel pipe. One end of the two insert pieces 1 is rotatably connected to a connecting ring 3, and a supporting structure 4 is provided inside the connecting ring 3, and the supporting structure 4 is connected to the two insert pieces 1 respectively. A ratchet roller 5 is provided on one side of the connecting ring 3, and a lifting plate 6 is movably connected to the lower end of the connecting ring 3, and connecting holes 7 are provided at both ends of the lifting plate 6, and a linkage rope 8 is movably connected in the connecting hole 7.

[0023] The support structure 4 includes an inclined block 9, and the two inserting pieces 1 are both provided with an inclined block 9, and a stretching block 10 is provided between the two inclined blocks 9. A limit bar 11 is fixedly connected to the inclined surface of the inclined block 9, and a slide groove 12 is provided inside the stretching block 10. A support roller 13 is provided on the slide groove 12, and a connecting rope 14 is provided at one end of the stretching block 10. After the connecting rope 14 pulls the stretching block 10, the stretching block 10 can push the inserting pieces 1 on both sides away, so that the inserting pieces 1 can fix the steel pipe.

[0024] The connecting ring 3 is provided with a through hole, and a connecting rope 14 is passed through the through hole. One end of the connecting rope 14 is fixedly connected to the ratchet roller 5, and one end of the ratchet roller 5 is fixedly connected to a rotating disk 15. The rotating disk 15 can drive the ratchet roller 5 to rotate and tighten the connecting rope 14.

[0025] The upper surface of the lifting plate 6 is fixedly connected with a guide column 16, and a lifting groove 17 is provided inside the guide column 16. The lower end of the connecting ring 3 is fixedly connected with an insert plate 18, and the insert plate 18 is adapted to the lifting groove 17. The insert plate 18 can guide the moving direction of the guide column 16 when the guide column 16 is pulled, so as to facilitate the fixing of the position.

[0026] The upper surface of the lifting plate 6 is fixedly connected with a plurality of limiting protrusions 19, one side of the lifting plate 6 is fixedly linked with a mounting base 20, the upper end of the mounting base 20 is provided with a limiting column 22, the upper end of the limiting column 22 is provided with an insertion vertebra 21, the upper end of the insertion vertebra 21 is fixedly linked with a connecting rope 14, the lower surface of the connecting ring 3 is fixedly linked with an insertion hole, and the insertion hole is adapted to the insertion vertebra 21.

[0027] Both ends of the linkage rope 8 are fixedly connected with a sliding block 2, and a slot is provided inside the connection hole 7, and the sliding block 2 is adapted to the slot. After the sliding block 2 is inserted into the slot, the lifting plates 6 on both sides can be connected.

[0028] A through hole is formed inside the connecting ring 3, and the connecting rope 14 passes through the through hole.

[0029] When the bundled steel coils need to be transported, the insert piece 1 is inserted into the lower steel pipe of the bundled steel pipe, and then the ratchet roller 5 is rotated. The ratchet roller 5 tightens the training connection rope 14, so that the stretching block 10 squeezes the insert pieces 1 on both sides to force the insert pieces 1 to be fixed to the steel pipe. Then the remaining steel pipes are placed on the lifting plate 6, and the positioning protrusions on the lifting plate 6 can play the role of limiting the position of the steel pipe. When multiple lifting plates 6 are provided, multiple lifting plates 6 are connected to each other to extend the length of the lifting plates 6 and transport more bundled steel pipes.

[0030] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A highly safe steel pipe lifting device for a construction site, comprising an insert (1), characterized in that: The shape of the insertion piece (1) is semicircular. There are two insertion pieces (1). One end of each of the two insertion pieces (1) is rotatably connected to a connecting ring (3). A supporting structure (4) is provided inside the connecting ring (3). The supporting structure (4) is respectively connected to the two insertion pieces (1). A ratchet roller (5) is provided on one side of the connecting ring (3). The lower end of the connecting ring (3) is movably connected to a lifting plate (6). Both ends of the lifting plate (6) are provided with connecting holes (7). A linkage rope (8) is movably connected in the connecting hole (7).

2. A highly safe steel pipe lifting device for construction sites according to claim 1, characterized in that: The support structure (4) comprises a tilting block (9), the inside of each of the two insertion pieces (1) is provided with a tilting block (9), a stretching block (10) is provided between the two tilting blocks (9), a limit strip (11) is fixedly connected on the tilting surface of the tilting block (9), a slide groove (12) is provided inside the stretching block (10), a support roller (13) is provided on the slide groove (12), and a connecting rope (14) is provided at one end of the stretching block (10).

3. A highly safe steel pipe lifting device for construction sites according to claim 1, characterized in that: The connecting ring (3) is provided with a through hole, a connecting rope (14) passes through the through hole, one end of the connecting rope (14) is fixedly connected to the ratchet roller (5), and one end of the ratchet roller (5) is fixedly connected to the rotating disk (15).

4. A highly safe steel pipe lifting device for construction sites according to claim 1, characterized in that: The upper surface of the lifting plate (6) is fixedly connected with a guide column (16), and a lifting groove (17) is provided inside the guide column (16). The lower end of the connecting ring (3) is fixedly connected with an insert plate (18), and the insert plate (18) is adapted to the lifting groove (17).

5. A highly safe steel pipe lifting device for construction sites according to claim 4, characterized in that: The upper surface of the lifting plate (6) is fixedly connected with a plurality of limiting protrusions (19); one side of the lifting plate (6) is fixedly connected with a mounting base (20); a limiting column (22) is provided at the upper end of the mounting base (20); an insertion vertebra (21) is provided at the upper end of the limiting column (22); a connecting rope (14) is fixedly connected at the upper end of the insertion vertebra (21); and an insertion hole is fixedly connected on the lower surface of the connecting ring (3); the insertion hole is adapted to the insertion vertebra (21).

6. A highly safe steel pipe lifting device for construction sites according to claim 1, characterized in that: Both ends of the linkage rope (8) are fixedly connected with sliding blocks (2), a card slot is provided inside the connection hole (7), and the sliding block (2) is adapted to the card slot.

7. A highly safe steel pipe lifting device for construction sites according to claim 5, characterized in that: A through hole is provided inside the connecting ring (3), and the connecting rope (14) passes through the through hole.

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