A hoisting device for bridge-type steel arch construction

Abstract

This utility model discloses a hoisting device for the construction of a bridge-type steel arch, including a base. A rotating motor is fixedly installed on the top of the base, and wheels are rotatably installed at the four corners of the bottom. A rotating plate is fixedly sleeved on the output shaft of the rotating motor. Support plates are fixedly installed on both sides of the top of the rotating plate, and a winding motor is fixedly installed on the top of the rotating plate. A common fixing plate is fixedly installed on the top of the two support plates, and a pulley block is fixedly installed on the bottom of the fixing plate. A steel rope is sleeved on the output shaft of the winding motor, one end of the steel rope passes through the pulley block, and the other end of the steel rope is fixedly installed in an installation box. This utility model has a simple structure and is easy to use. The hoisting device for the construction of a bridge-type steel arch facilitates the hoisting of steel arch structural components of different lengths, and the entire hoisting device incorporates an anti-tipping structure, increasing safety during the hoisting process.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting devices, in particular to a hoisting device for span bridge type steel arch construction. Background Art

[0002] With the development of the times, the construction industry has flourished. Steel, as an indispensable part of construction, plays an important supporting role in buildings. In many steel structure buildings, uniform welding is carried out in the factory and then assembled at the construction site. Lightweight steel arch frame components mainly include arch foot segments, standard segments, adjustment segments and arch top segments. These components are of different sizes and shapes. During on-site construction, it is necessary to use lifting equipment to lift the lightweight steel arch frame components to the predetermined position and then assemble and connect them.

[0003] The patent with application number CN201920362793.X specifically relates to a steel arch frame hoisting device, which includes at least a crossbeam, a lifting lug, a pair of longitudinal beams, two pairs of hanging columns and a pair of hanging rods, wherein the lifting lug is vertically fixed to the center of the upper surface of the crossbeam, a pair of longitudinal beam side walls are fixed to the two ends of the crossbeam, and the two ends of the crossbeam are respectively located at the center of a pair of longitudinal beam side walls, and the top of each pair of hanging columns is respectively vertically fixed to the two ends of the longitudinal beam, and the opposite surfaces of the hanging columns at the two ends of each pair of longitudinal beams are provided with hanging grooves, and the two sides of the hanging rod are detachably connected to the hanging grooves of the hanging columns located on the same side of the longitudinal beam. The utility model replaces the traditional rope binding by crossing the hanging rod mode, which not only improves the work efficiency, but also can lift multiple steel arch frames at the same time, and does not require multiple people to operate, saving manpower.

[0004] However, the hoisting device of the above patent has the following disadvantages: it is not convenient to hoist steel arch frame members of different lengths, and the entire hoisting device lacks an anti-rollover structure, which can easily cause the entire device to roll over during the hoisting process, which is not safe enough.

[0005] Based on this, this plan proposes a hoisting device for the construction of a span-type steel arch. Utility Model Content

[0006] The utility model aims to provide a hoisting device for the construction of a span-bridge type steel arch to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a hoisting device for bridge-type steel arch construction, comprising a base,

[0008] A rotating motor is fixedly installed on the top of the base, and wheels are rotatably installed at the four corners of the bottom, a rotating plate is fixedly sleeved on the output shaft of the rotating motor, support plates are fixedly installed on both sides of the top of the rotating plate, and a winding motor is fixedly installed on the top of the rotating plate, the same fixed plate is fixedly installed on the top of the two support plates, a pulley block is fixedly installed on the bottom of the fixed plate, a steel bar rope is sleeved on the output shaft of the winding motor, one end of the steel bar rope passes through the pulley block, and one end of the steel bar rope is fixedly installed with a mounting box;

[0009] An adjusting motor is fixedly installed on one side of the installation box, a first bidirectional screw located in the installation box is fixedly sleeved on the output shaft of the adjusting motor, two first screw guide sleeves are threadedly sleeved on the first bidirectional screw, connecting ropes are fixedly installed at the bottom of the two first screw guide sleeves, the bottom ends of the two connecting ropes extend outside the installation box, and hooks are fixedly installed at the bottom ends of the two connecting ropes;

[0010] A circular plate is fixedly installed at the bottom of the base, the circular plate is a hollow structure, and two first through holes and two second through holes are provided on the circular plate, a first movable rod is slidably installed in the two first through holes, a second movable rod is movably installed in the two second through holes, one end of the two first movable rods and the two second movable rods are rotatably installed with rollers located in the circular plate, the other ends of the two first movable rods are fixedly installed with a first movable box, the other ends of the two second movable rods are fixedly installed with a second movable box, a linkage motor is fixedly installed on the inner wall of the bottom of the circular plate, a rotating disk is fixedly sleeved on the output shaft of the linkage motor, and a plurality of extrusion sheets adapted to the rollers are fixedly installed at equal distances on the rotating disk;

[0011] The two first movable boxes and the two second movable boxes are both provided with a counterweight anti-rollover structure.

[0012] Preferably, the counterweight anti-rollover structure includes a rotating motor, a second bidirectional screw, two second screw guide sleeves, two connecting rods, a connecting plate, a second counterweight block or a first counterweight block, the second bidirectional screw is fixedly sleeved on the output shaft of the rotating motor, the two second screw guide sleeves are both threadedly sleeved on the second bidirectional screw, one end of the two connecting rods are respectively rotatably connected to the corresponding second screw guide sleeves, the other ends of the two connecting rods are both rotatably connected to the connecting plate, and the connecting plate is fixedly connected to the corresponding second counterweight block or the first counterweight block.

[0013] By adopting the above technical solution, by starting four rotating motors, the rotating motors drive the rotation of the corresponding second bidirectional screw rods, and the second bidirectional screw rods drive the corresponding two second screw rod guide sleeves to move toward each other, which can cooperate with the connecting rod to push the corresponding second counterweight block or the first counterweight block to move downward, so that the two second counterweight blocks and the two first counterweight blocks are in contact with the ground, and the entire device can be braked and fixed. In addition, the symmetrical arrangement of the two first counterweight blocks and the two second counterweight blocks can prevent the entire device from tipping over.

[0014] Preferably, a first slide rail is fixedly mounted on the top inner wall of the installation box, two first sliders are slidably mounted on the first slide rail, and the two first sliders are fixedly connected to corresponding first screw guide sleeves, respectively.

[0015] By adopting the above technical solution, the movement of the first screw guide sleeve is facilitated by the first slide rail and the first slider.

[0016] Preferably, the two first movable boxes and the two second movable boxes are both fixedly installed with second slide rails, and two second sliders are slidably installed on any second slide rail, and any second slider is respectively fixedly connected to the corresponding second screw guide sleeve.

[0017] By adopting the above technical solution, the second guide rail and the second slider facilitate the movement of the second screw guide sleeve.

[0018] Preferably, the two connecting rods located on the same side are symmetrically arranged.

[0019] Preferably, the two first movable rods and the two second movable rods are sleeved with a return spring, one end of the return spring is fixed to the corresponding first movable rod or the corresponding second movable rod, and the other end is fixed to the inner wall of the corresponding first through hole or the corresponding second through hole.

[0020] By adopting the above technical solution, the first movable rod or the second movable rod can be easily reset by the reset spring.

[0021] Preferably, the first counterweight block and the second counterweight block are both made of concrete.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. By starting the adjusting motor, the first bidirectional screw rod is driven to rotate. The first bidirectional screw rod can adjust the distance between the two first screw rod guide sleeves, that is, the distance between the two hooks can be adjusted, which can facilitate the hoisting of steel arch frame components of different lengths. Then, the two hooks are hung on the steel arch frame components, and then the winding motor is started to drive the winding of the steel bar rope, and the installation box and the adjusting motor can be pulled upward to pull the steel arch frame component upward. By starting the rotating motor, the rotating plate and the steel arch frame component can be driven to rotate, and the steel arch frame component can be transported.

[0024] 2. By starting the linkage motor to drive the rotation of the rotating disk, the rotation of the four extrusion plates can be driven. The extrusion plates squeeze the corresponding rollers respectively, which can drive the two extrusion plates and the two first movable rods to move outward, and then drive the two first movable boxes and the two second movable boxes to move outward. Then start the four rotating motors, and the rotating motor drives the rotation of the corresponding second bidirectional screw rods. The second bidirectional screw rods drive the corresponding two second screw rod guide sleeves to move toward each other, which can cooperate with the connecting rod to push the corresponding second counterweight block or the first counterweight block to move downward, so that the two second counterweight blocks and the two first counterweight blocks are in contact with the ground, so that the entire device can be braked and fixed, and the symmetrical arrangement of the two first counterweight blocks and the two second counterweight blocks can prevent the entire device from tipping over. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of Part A of the utility model;

[0027] Figure 3 It is a side view of the structure of the utility model;

[0028] Figure 4 This is a bottom view of the base and the internal structure of the circular plate of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of part B of the utility model;

[0030] Figure 6 This is a three-dimensional diagram of the internal structure of the circular plate of the present utility model;

[0031] Figure 7 This is a front view of the internal structure of the second movable box of the utility model.

[0032] In the figure: 1. base; 2. wheel; 3. rotating motor; 4. winding motor; 5. support plate; 6. fixing plate; 7. pulley block; 8. installation box; 9. rotating plate; 10. adjusting motor; 11. hook; 12. connecting rope; 13. first bidirectional screw rod; 14. first screw rod guide sleeve; 15. second movable box; 16. steel rope; 17. first movable rod; 18. first counterweight; 19. first movable box; 20. circular plate; 21. return spring; 22. second movable rod; 23. extrusion sheet; 24. rotating disk; 25. roller; 26. rotating motor; 27. second counterweight; 28. connecting plate; 29. ​​connecting rod; 30. second screw rod guide sleeve; 31. second bidirectional screw rod; 32. linkage motor. DETAILED DESCRIPTION

[0033] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0034] See also Figure 1-7The utility model provides a technical solution: a hoisting device for bridge-type steel arch construction, comprising a base 1, a rotating motor 3 is fixedly installed on the top of the base 1, and wheels 2 are rotatably installed at the four corners of the bottom, a rotating plate 9 is fixedly sleeved on the output shaft of the rotating motor 3, support plates 5 are fixedly installed on both sides of the top of the rotating plate 9, and a winding motor 4 is fixedly installed on the top of the rotating plate 9, the same fixed plate 6 is fixedly installed on the top of the two support plates 5, a pulley block 7 is fixedly installed on the bottom of the fixed plate 6, a steel bar rope 16 is sleeved on the output shaft of the winding motor 4, one end of the steel bar rope 16 passes through the pulley block, and an installation box 8 is fixedly installed on one end of the steel bar rope 16, an adjusting motor 10 is fixedly installed on one side of the installation box 8, a first bidirectional screw rod 13 located in the installation box 8 is fixedly sleeved on the output shaft of the adjusting motor 10, and two first screw rod guide sleeves 14 are threadedly sleeved on the first bidirectional screw rod 13 , the bottom of the two first screw guide sleeves 14 are fixedly installed with connecting ropes 12, the bottom ends of the two connecting ropes 12 extend outside the installation box 8, and the bottom ends of the two connecting ropes 12 are fixedly installed with hooks 11, and a first slide rail is fixedly installed on the top inner wall of the installation box 8, and two first sliders are slidably installed on the first slide rail, and the two first sliders are fixedly connected to the corresponding first screw guide sleeves 14 respectively. Through the above-mentioned structural setting, the distance between the two hooks 11 can be adjusted by starting the adjusting motor 10, so that steel arch frame components of different lengths can be hoisted, and then the two hooks 11 are hung on the steel arch frame components, and then the winding motor 4 is started to drive the winding of the steel bar rope 16, and the installation box 8 and the adjusting motor 10 can be pulled upwards, so that the steel arch frame components can be pulled upwards, and by starting the rotating motor 3, the rotating plate 9 and the steel arch frame components can be driven to rotate, and the steel arch frame components can be transported.

[0035] Combination Figure 1-7As shown, a circular plate 20 is fixedly installed at the bottom of the base 1. The circular plate 20 is a hollow structure, and two first through holes and two second through holes are provided on the circular plate 20. The first movable rods 17 are slidably installed in the two first through holes, and the second movable rods 22 are movably installed in the two second through holes. One end of the two first movable rods 17 and the two second movable rods 22 are rotatably installed with rollers 25 located in the circular plate 20. The other ends of the two first movable rods 17 are fixedly installed with the first movable box 19, and the other ends of the two second movable rods 22 are fixedly installed with the second movable box 15. A linkage is fixedly installed on the inner wall of the bottom of the circular plate 20. A motor 32, a rotating disk 24 is fixedly sleeved on the output shaft of the linkage motor 32, and a plurality of extrusion sheets 23 adapted to the roller 25 are fixedly installed on the rotating disk 24 at equal distances. A return spring 21 is sleeved on the two first movable rods 17 and the two second movable rods 22. One end of the return spring 21 is fixed on the corresponding first movable rod 17 or the corresponding second movable rod 22, and the other end is fixed on the inner wall of the corresponding first through hole or the corresponding second through hole. Through the above-mentioned structural arrangement, the linkage motor 32 is started to drive the rotation of the rotating disk 24, so that the two first movable boxes 19 and the two second movable boxes 15 can be squeezed outward in a linkage manner.

[0036] Combination Figure 1-7 As shown, the two first movable boxes 19 and the two second movable boxes 15 are both provided with a counterweight anti-rollover structure, which includes a rotating motor 26, a second bidirectional screw rod 31, two second screw rod guide sleeves 30, two connecting rods 29, a connecting plate 28, a second counterweight block 27 or a first counterweight block 18, the second bidirectional screw rod 31 is fixedly sleeved on the output shaft of the rotating motor 26, the two second screw rod guide sleeves 30 are both threadedly sleeved on the second bidirectional screw rod 31, one end of the two connecting rods 29 is rotatably connected to the corresponding second screw rod guide sleeves 30, the other ends of the two connecting rods 29 are rotatably connected to the connecting plate 28, the connecting plate 28 is fixedly connected to the corresponding second counterweight block 27 or the first counterweight block 18, the two first movable boxes 19 and The two second movable boxes 15 are fixedly installed with second slide rails, and two second sliders are slidably installed on any second slide rail, and any second slider is fixedly connected to the corresponding second screw guide sleeve 30, and the two connecting rods 29 on the same side are symmetrically arranged. The first counterweight block 18 and the second counterweight block 27 are both made of concrete. Through the above-mentioned structural arrangement, by starting the four rotating motors 26, the two second counterweight blocks 27 and the two first counterweight blocks 18 are driven to move downward, so that the two second counterweight blocks 27 and the two first counterweight blocks 18 are in contact with the ground, so that the entire device can be braked and fixed, and the symmetrical arrangement of the two first counterweight blocks 18 and the two second counterweight blocks 27 can prevent the entire device from tipping over.

[0037] The working principle of the utility model is as follows: first, the adjusting motor 10 is started to drive the rotation of the first bidirectional screw rod 13, and the first bidirectional screw rod 13 can adjust the distance between the two first screw rod guide sleeves 14, that is, the distance between the two hooks 11 can be adjusted, so as to facilitate the hoisting of steel arch frame components of different lengths, and then the two hooks 11 are hung on the steel arch frame components, and then the winding motor 4 is started to drive the winding of the steel bar rope 16, and the installation box 8 and the adjusting motor 10 can be pulled upwards, so as to pull the steel arch frame components upwards, and by starting the rotating motor 3, the rotating plate 9 and the steel arch frame components can be driven to rotate, and the steel arch frame components can be transported.

[0038] In order to prevent the entire device from tipping over during the lifting process, the linkage motor 32 is started to drive the rotation of the rotating disk 24, which can drive the rotation of the four extrusion plates 23. The extrusion plates 23 squeeze the corresponding rollers 25 respectively, which can drive the two extrusion plates 23 and the two first movable rods 17 to move outward, which can drive the two first movable boxes 19 and the two second movable boxes 15 to move outward, and then the four rotating motors 26 are started. The rotating motor 26 drives the rotation of the corresponding second bidirectional screw rod 31, and the second bidirectional screw rod 31 drives the corresponding two second screw rod guide sleeves 30 to move toward each other, which can cooperate with the connecting rod 29 to push the corresponding second counterweight block 27 or the first counterweight block 18 to move downward, so that the two second counterweight blocks 27 and the two first counterweight blocks 18 are in contact with the ground, so that the entire device can be braked and fixed, and the symmetrical arrangement of the two first counterweight blocks 18 and the two second counterweight blocks 27 can prevent the entire device from tipping over. The utility model has a simple structure and is easy to use. The hoisting device for the construction of a span-bridge steel arch is convenient for hoisting steel arch frame components of different lengths, and an anti-rollover structure is added to the entire hoisting device, which increases safety during the hoisting process.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hoisting device for bridge-type steel arch construction, comprising a base (1), characterized in that: A rotating motor (3) is fixedly mounted on the top of the base (1), and wheels (2) are rotatably mounted at the four corners of the bottom. A rotating plate (9) is fixedly sleeved on the output shaft of the rotating motor (3). Support plates (5) are fixedly mounted on both sides of the top of the rotating plate (9), and a winding motor (4) is fixedly mounted on the top of the rotating plate (9). The same fixed plate (6) is fixedly mounted on the tops of the two support plates (5), and a pulley block (7) is fixedly mounted on the bottom of the fixed plate (6). A steel bar rope (16) is sleeved on the output shaft of the winding motor (4), one end of the steel bar rope (16) passes through the pulley block, and one end of the steel bar rope (16) is fixedly mounted with a mounting box (8); An adjusting motor (10) is fixedly mounted on one side of the installation box (8); a first bidirectional screw rod (13) located in the installation box (8) is fixedly sleeved on the output shaft of the adjusting motor (10); two first screw rod guide sleeves (14) are threadedly sleeved on the first bidirectional screw rod (13); connecting ropes (12) are fixedly mounted on the bottoms of the two first screw rod guide sleeves (14); the bottom ends of the two connecting ropes (12) extend outside the installation box (8); and hooks (11) are fixedly mounted on the bottom ends of the two connecting ropes (12); A circular plate (20) is fixedly installed at the bottom of the base (1), the circular plate (20) is a hollow structure, and two first through holes and two second through holes are provided on the circular plate (20), a first movable rod (17) is slidably installed in the two first through holes, a second movable rod (22) is movably installed in the two second through holes, one end of the two first movable rods (17) and the two second movable rods (22) are rotatably installed with a roller (25) located in the circular plate (20), the other end of the two first movable rods (17) are fixedly installed with a first movable box (19), the other end of the two second movable rods (22) are fixedly installed with a second movable box (15), a linkage motor (32) is fixedly installed on the inner wall of the bottom of the circular plate (20), a rotating disk (24) is fixedly sleeved on the output shaft of the linkage motor (32), and a plurality of extrusion sheets (23) adapted to the rollers (25) are fixedly installed at equal distances on the rotating disk (24); The two first movable boxes (19) and the two second movable boxes (15) are both provided with a counterweight anti-rollover structure.

2. A hoisting device for construction of a span-type steel arch according to claim 1, characterized in that: The counterweight anti-rollover structure comprises a rotating motor (26), a second bidirectional screw rod (31), two second screw rod guide sleeves (30), two connecting rods (29), a connecting plate (28), a second counterweight block (27) or a first counterweight block (18), wherein the second bidirectional screw rod (31) is fixedly sleeved on the output shaft of the rotating motor (26), the two second screw rod guide sleeves (30) are both threadedly sleeved on the second bidirectional screw rod (31), one end of the two connecting rods (29) are respectively rotatably connected to the corresponding second screw rod guide sleeves (30), the other ends of the two connecting rods (29) are both rotatably connected to the connecting plate (28), and the connecting plate (28) is fixedly connected to the corresponding second counterweight block (27) or the first counterweight block (18).

3. A hoisting device for construction of a span-type steel arch according to claim 1, characterized in that: A first slide rail is fixedly mounted on the top inner wall of the installation box (8), and two first sliding blocks are slidably mounted on the first slide rail. The two first sliding blocks are respectively fixedly connected to corresponding first screw guide sleeves (14).

4. The hoisting device for construction of a span-type steel arch according to claim 1, characterized in that: The two first movable boxes (19) and the two second movable boxes (15) are both fixedly installed with second slide rails, and two second sliding blocks are slidably installed on any of the second slide rails, and any of the second sliding blocks are respectively fixedly connected to the corresponding second screw guide sleeve (30).

5. The hoisting device for construction of a span-type steel arch according to claim 2, characterized in that: The two connecting rods (29) located on the same side are symmetrically arranged.

6. The hoisting device for construction of a span-type steel arch according to claim 1, characterized in that: The two first movable rods (17) and the two second movable rods (22) are both sleeved with a return spring (21), one end of the return spring (21) is fixed to the corresponding first movable rod (17) or the corresponding second movable rod (22), and the other end is fixed to the inner wall of the corresponding first through hole or the corresponding second through hole.

7. The hoisting device for construction of a span-type steel arch according to claim 2, characterized in that: The first counterweight block (18) and the second counterweight block (27) are both made of concrete.

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