Steel beam hoisting support

Abstract

The utility model relates to the technical field of steel beam hoisting, in particular to a steel beam hoisting support. Comprising two rails, transverse plates are arranged above the rails, a plurality of rolling wheels are arranged on the transverse plates, the rolling wheels are fixedly installed at the tops of the rails, two U-shaped supports are installed on the two transverse plates in a sliding mode, steel cable winding and unwinding assemblies are arranged on the U-shaped supports, lifting hooks are arranged on the steel cable winding and unwinding assemblies, the same steel beam is arranged on the two lifting hooks, and the steel beam is connected with the steel cable winding and unwinding assemblies. Two first rectangular through grooves are formed in the transverse plate in a penetrating mode, first sliding blocks are installed in the first rectangular through grooves in a sliding mode, the first sliding blocks are fixed to the bottom ends of the corresponding U-shaped supports, and two first two-way lead screws are rotatably installed on the transverse plate. By arranging the double-support structure, the hoisting stability of the steel beams is improved, the steel beams with different sizes are convenient to hoist, the problem that the steel beams incline in the hoisting process is avoided, and potential safety hazards are effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel beam lifting, in particular to a steel beam lifting bracket. Background Art

[0002] With the continuous development of the economy and the accelerating process of urbanization, a large number of steel structure buildings have been put into construction, and the market demand for steel beams has continued to increase. During the processing and construction of steel beams, lifting brackets are required for transportation and lifting. The current steel beam lifting brackets generally use levers and cable winding structures to achieve the lifting of steel beams, which can effectively improve the lifting efficiency of steel beams.

[0003] However, it is found during use that the existing lifting brackets for steel beams have limited stability in lifting the steel beams, which can easily cause the steel beams to tilt during the lifting process, posing a safety hazard. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a steel beam lifting bracket, which is convenient for improving the stability of steel beam lifting, facilitating the lifting of steel beams of different sizes, avoiding the problem of skewness during the lifting of steel beams, effectively reducing safety hazards, and solving the problems raised in the above background technology.

[0005] To achieve the above objectives, the technical solution adopted by the utility model is as follows: a steel beam lifting bracket comprises two rails, a cross plate is provided above the rails, a plurality of rollers are provided on the cross plate, and the rollers are fixedly mounted on the top of the rails, and two U-shaped brackets are slidably mounted on the two cross plates, a steel cable retracting and releasing assembly is provided on the two cross plates, and a hook is provided on the two hooks, and the same steel beam is provided on the two hooks. Two first rectangular through grooves are passed through the cross plate, and a first slider is slidably mounted in the first rectangular through groove, and the first slider is fixed to the bottom end of the corresponding U-shaped bracket. Two first bidirectional screw rods are rotatably mounted on the cross plate, and the first bidirectional screw rod threads pass through the corresponding two first sliders. A cavity is opened on the cross plate, and the first bidirectional screw rod rotates through the corresponding cavity and is fixedly sleeved with a first bevel gear, and a motor is fixedly mounted on the bottom of the cross plate, and the output shaft of the motor extends into the cavity and is provided with a second bevel gear, and the second bevel gear meshes with the first bevel gear.

[0006] In order to facilitate the rapid clamping of steel beams:

[0007] As a further improvement of the above technical solution: the hook also includes a connecting plate, which is arranged on the top of the steel beam, and a lifting ear is fixedly installed on the top of the connecting plate, and the hook is adapted to the lifting ear, and four L-shaped clamps are slidably installed on the bottom of the connecting plate, and four second rectangular through grooves arranged in a rectangular array are penetrated through the connecting plate, and a second slider is slidably penetrated in the second rectangular through groove, and the second slider is fixed to the top of the corresponding L-shaped clamp, and the L-shaped clamp is in contact with the steel beam, and two second bidirectional screws are rotatably penetrated on the connecting plate, and the second bidirectional screw threads penetrate the corresponding two second sliders.

[0008] The beneficial effect of this improvement is that by such an arrangement, it is convenient to quickly clamp the steel beam, avoiding the cumbersome operation of tying the steel beam with steel cables, thereby facilitating the lifting of the steel beam.

[0009] To prevent the first slider from falling out of the first rectangular slot:

[0010] As a further improvement of the above technical solution: a first limiting plate is fixedly installed on the bottom of the first sliding block, and the first limiting plate is slidably connected to the bottom of the corresponding transverse plate.

[0011] The beneficial effect of this improvement is that by providing the first limiting plate, the first sliding block can be prevented from escaping from the first rectangular through groove.

[0012] In order to facilitate the support and limit of the first bidirectional screw:

[0013] As a further improvement of the above technical solution: a first through hole is passed through the first rectangular through groove and the chamber, and the first bidirectional screw rotates through the two first through holes.

[0014] The beneficial effect of this improvement is that by providing the first through hole, it is convenient to support and limit the first bidirectional screw rod.

[0015] In order to facilitate the limitation of the output shaft of the motor:

[0016] As a further improvement of the above technical solution: a second through hole is penetrated on the bottom inner wall of the chamber, and the output shaft of the motor rotates and penetrates the second through hole.

[0017] The beneficial effect of this improvement is that by providing the second through hole, it is convenient to limit the output shaft of the motor.

[0018] In order to facilitate the support and limit of the second bidirectional screw:

[0019] As a further improvement of the above technical solution: the connecting plate is penetrated by two third through holes, the third through holes are connected to the corresponding two second rectangular through grooves, and the second bidirectional screw rotates and penetrates the corresponding third through holes.

[0020] The beneficial effect of this improvement is that by providing the third through hole, it is convenient to support and limit the second bidirectional screw rod.

[0021] To prevent the second slider from falling out of the second rectangular slot:

[0022] As a further improvement of the above technical solution: a second limiting plate is fixedly installed on the top of the second sliding block, and the second limiting plate is slidably connected to the top of the connecting plate.

[0023] The beneficial effect of this improvement is that by providing the second limiting plate, it is convenient to prevent the second sliding block from escaping from the second rectangular through groove.

[0024] The beneficial effects of the utility model are as follows: by setting up a double-bracket structure, the stability of steel beam lifting is improved, steel beams of different sizes are lifted easily, the problem of skewness during steel beam lifting is avoided, and potential safety hazards are effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the first main cross-sectional structure of the utility model;

[0026] Figure 2 It is a second main cross-sectional structural schematic diagram of the utility model;

[0027] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0028] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure of part A;

[0029] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the first sliding block in the utility model;

[0030] Figure 6 For this utility model Figure 3 A schematic diagram of the enlarged structure of part B;

[0031] Figure 7 It is a three-dimensional structural schematic diagram of the connecting plate in the utility model.

[0032] In the figure: 1. track; 2. cross plate; 3. roller; 4. U-shaped bracket; 5. steel cable retracting and releasing assembly; 6. hook; 7. steel beam; 8. first rectangular through groove; 9. first slider; 10. first bidirectional screw rod; 11. chamber; 12. first bevel gear; 13. motor; 14. second bevel gear; 15. connecting plate; 16. lifting ear; 17. L-shaped clamping plate; 18. second rectangular through groove; 19. second slider; 20. second bidirectional screw rod. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0034] like Figure 1-7As shown, a steel beam lifting bracket comprises two rails 1, a horizontal plate 2 is arranged above the rails 1, a plurality of rollers 3 are arranged on the horizontal plate 2, the rollers 3 are fixedly mounted on the top of the rails 1, two U-shaped brackets 4 are slidably mounted on the two horizontal plates 2, a steel cable retracting assembly 5 is arranged on the U-shaped bracket 4, a hook 6 is arranged on the steel cable retracting assembly 5, the same steel beam 7 is arranged on the two hooks 6, two first rectangular through grooves 8 are penetrated on the horizontal plate 2, a first slider 9 is slidably mounted in the first rectangular through groove 8, the first slider 9 is fixed at the bottom end of the corresponding U-shaped bracket 4, two first bidirectional screw rods 10 are rotatably mounted on the horizontal plate 2, the first bidirectional screw rod 10 threads penetrate the corresponding two first sliders 9, the horizontal plate 2 A chamber 11 is opened on the top, the first bidirectional screw rod 10 rotates and passes through the corresponding chamber 11 and is fixedly sleeved with a first bevel gear 12, a motor 13 is fixedly installed at the bottom of the cross plate 2, the output shaft of the motor 13 extends into the chamber 11 and is provided with a second bevel gear 14, the second bevel gear 14 is meshed with the first bevel gear 12, and a double-bracket structure is provided to facilitate the improvement of the stability of the lifting of the steel beam 7, facilitate the lifting of steel beams 7 of different sizes, avoid the problem of skewness of the steel beam 7 during the lifting process, and effectively reduce the potential safety hazards, the hook 6 also includes a connecting plate 15, the connecting plate 15 is arranged on the top of the steel beam 7, the top of the connecting plate 15 is fixedly installed with a lifting ear 16, the hook 6 is adapted to the lifting ear 16, the connecting plate Four L-shaped clamping plates 17 are slidably installed at the bottom of 15, and four second rectangular through grooves 18 arranged in a rectangular array are penetrated on the connecting plate 15. A second slider 19 is slidably penetrated in the second rectangular through groove 18, and the second slider 19 is fixed to the top of the corresponding L-shaped clamping plate 17. The L-shaped clamping plate 17 is in contact with the steel beam 7. Two second bidirectional screw rods 20 are rotatably penetrated on the connecting plate 15, and the second bidirectional screw rod 20 is threadedly penetrated through the corresponding two second sliders 19. Through such an arrangement, it is convenient to quickly clamp the steel beam 7, avoiding the cumbersome binding operation of the steel beam 7 with a steel cable, so as to facilitate the lifting of the steel beam 7. The bottom of the first slider 9 is fixedly installed with a first limit plate, and the first limit plate is connected to the bottom of the corresponding cross plate 2. The first and second bidirectional screw rods 10 are connected in a sliding manner, and a first limit plate is provided to prevent the first slider 9 from being separated from the first rectangular through groove 8. A first through hole is penetrated between the first rectangular through groove 8 and the chamber 11. The first bidirectional screw rod 10 rotates and penetrates the two first through holes. By providing the first through hole, it is convenient to support and limit the first bidirectional screw rod 10. A second through hole is penetrated on the bottom inner wall of the chamber 11. The output shaft of the motor 13 rotates and penetrates the second through hole. By providing the second through hole, it is convenient to limit the output shaft of the motor 13. Two third through holes are penetrated on the connecting plate 15. The third through holes are connected to the corresponding two second rectangular through grooves 18. The second bidirectional screw rod 20 rotates and penetrates the corresponding third through hole. By providing the third through hole,In order to facilitate the support and position limiting of the second bidirectional screw rod 20, a second position limiting plate is fixedly installed on the top of the second slider 19, and the second position limiting plate is slidably connected to the top of the connecting plate 15. By setting the second position limiting plate, it is convenient to prevent the second slider 19 from being separated from the second rectangular through slot 18.

[0035] The working principle of the utility model is as follows: when in use, the track 1 is first laid on the construction site, and then the two cross plates 2 are respectively placed on the corresponding tracks 1, so that the rollers 3 are rollingly installed on the track 1, and then the two U-shaped brackets 4 are pushed so that the steel beam 7 is under the two U-shaped brackets 4, and then the two motors 13 are turned on, and the output shaft of the motor 13 drives the corresponding second bevel gear 14 to rotate, and the second bevel gear 14 drives the first bevel gear 12 to rotate, and the first bevel gear 12 drives the first bidirectional screw rod 10 to rotate, and the first bidirectional screw rod 10 drives the two first sliders 9 to slide in the corresponding first rectangular through grooves 8 and approach or move away from each other, so that the distance between the two U-shaped brackets 4 is adjusted, and then the steel cable retracting assembly 5 can be opened to lift the steel beam 7. By setting a double bracket structure, And it is convenient to improve the stability of the lifting of the steel beam 7, to facilitate the lifting of steel beams 7 of different sizes, to avoid the problem of skewness in the lifting process of the steel beam 7, and to effectively reduce the safety hazard. The steel cable retracting and releasing assembly 5 releases the hook 6, so that the hook 6 drives the connecting plate 15 to drop above the steel beam 7, and then rotates the two second bidirectional screw rods 20 on the connecting plate 15, so that the corresponding two second sliders 19 are driven close to each other, and the two second sliders 19 drive the two L-shaped clamping plates 17 close to each other, so that the steel beam 7 is clamped, and then the steel beam 7 can be lifted by the steel cable retracting and releasing assembly 5, and then the two U-shaped brackets 4 can be pushed to move the steel beam 7. Through such a setting, it is convenient to quickly clamp the steel beam 7, and the cumbersome binding operation of the steel beam 7 with the steel cable is avoided, so that it is convenient to lift the steel beam 7.

[0036] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0037] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A steel beam lifting support, comprising two rails (1), characterized in that: A transverse plate (2) is provided above the track (1), and a plurality of rollers (3) are provided on the transverse plate (2), and the rollers (3) are fixedly mounted on the top of the track (1). Two U-shaped brackets (4) are slidably mounted on the two transverse plates (2), and a steel cable retracting assembly (5) is provided on the U-shaped bracket (4), and a hook (6) is provided on the steel cable retracting assembly (5), and the two hooks (6) are provided with the same steel beam (7), and two first rectangular through grooves (8) are penetrated on the transverse plate (2), and a first slider (9) is slidably mounted in the first rectangular through groove (8), and the first slider (9) is fixed on the corresponding The bottom end of the U-shaped bracket (4) is provided with two first bidirectional screw rods (10) rotatably mounted on the horizontal plate (2), the first bidirectional screw rods (10) threadably penetrate the corresponding two first sliders (9), a chamber (11) is provided on the horizontal plate (2), the first bidirectional screw rods (10) rotatably penetrate the corresponding chamber (11) and are fixedly sleeved with a first bevel gear (12), a motor (13) is fixedly mounted on the bottom of the horizontal plate (2), the output shaft of the motor (13) extends into the chamber (11) and is provided with a second bevel gear (14), and the second bevel gear (14) is meshed with the first bevel gear (12).

2. The steel beam lifting bracket according to claim 1, characterized in that: The hook (6) further comprises a connecting plate (15), wherein the connecting plate (15) is arranged on the top of the steel beam (7), a lifting ear (16) is fixedly installed on the top of the connecting plate (15), the hook (6) is adapted to the lifting ear (16), four L-shaped clamping plates (17) are slidably installed on the bottom of the connecting plate (15), four second rectangular through grooves (18) arranged in a rectangular array are penetrated on the connecting plate (15), a second sliding block (19) is slidably penetrated in the second rectangular through groove (18), the second sliding block (19) is fixed on the top of the corresponding L-shaped clamping plate (17), the L-shaped clamping plate (17) is in contact with the steel beam (7), two second bidirectional screw rods (20) are rotatably penetrated on the connecting plate (15), and the second bidirectional screw rods (20) are threadedly penetrated through the corresponding two second sliding blocks (19).

3. The steel beam lifting bracket according to claim 1, characterized in that: A first limiting plate is fixedly mounted on the bottom of the first sliding block (9), and the first limiting plate is slidably connected to the bottom of the corresponding transverse plate (2).

4. The steel beam lifting bracket according to claim 1, characterized in that: A first through hole is formed between the first rectangular through groove (8) and the chamber (11), and the first bidirectional screw rod (10) rotates through the two first through holes.

5. The steel beam lifting bracket according to claim 1, characterized in that: A second through hole is formed on the inner wall of the bottom of the chamber (11), and the output shaft of the motor (13) rotates and passes through the second through hole.

6. The steel beam lifting bracket according to claim 2, characterized in that: The connecting plate (15) is penetrated by two third through holes, the third through holes are connected to the corresponding two second rectangular through slots (18), and the second bidirectional screw rod (20) rotates and penetrates the corresponding third through holes.

7. The steel beam lifting bracket according to claim 2, characterized in that: A second limiting plate is fixedly mounted on the top of the second sliding block (19), and the second limiting plate is slidably connected to the top of the connecting plate (15).

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