Adjustable lifting appliance

Abstract

The utility model discloses an adjustable lifting appliance which comprises a main beam, a cover plate fixedly connected to the top end of the main beam, a mounting plate fixedly connected to the middle of the top end of the cover plate, a fluted disc and a mounting seat coaxially arranged on the mounting plate, the fluted disc is fixedly connected with the mounting plate, the mounting plate is rotatably connected with the mounting seat, and a motor II is fixedly mounted on the mounting seat. The output end of the second motor is fixedly connected with a gear, and the gear is meshed with the fluted disc. The main beam comprises two cross beams, two longitudinal beams are arranged between the two cross beams, the two longitudinal beams are fixedly connected to the two ends of the cross beams respectively, two sliding grooves are formed in the side, close to the longitudinal beams, of any cross beam, the two sliding grooves are located in the two ends of the cross beams respectively, and two hanging beams are arranged between the two cross beams and slidably connected into the sliding grooves in the two ends of the cross beams respectively. An adjusting mechanism is arranged between the two lifting beams and used for adjusting the distance between the two lifting beams, and any lifting beam is provided with two lifting hooks. The angle of a hoisted object can be adjusted, the efficiency is improved, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting, in particular to an adjustable hoisting device. Background Art

[0002] The mold is usually hoisted by wire rope, chain, sling and hook. This method has a simple structure and relatively low cost, but the mold is prone to shaking during hoisting and moving, especially large molds. When installing the mold on the machine, due to the large amount of mold shaking, it is difficult for the operator to control the mold's lowering position and adjust the mold angle. The operation is cumbersome and inefficient, and the mold is prone to damage the machine equipment and even cause personal injury. Utility Model Content

[0003] The purpose of the utility model is to provide an adjustable sling to solve the problems existing in the above-mentioned prior art.

[0004] The top of the two wheels is fixedly provided with a gear train, and the middle part of the two wheels is fixedly provided with a gear train.

[0005] Preferably, the adjustment mechanism includes a screw rod 2 rotatably connected between the two cross beams, the two suspension beams are symmetrically arranged on both sides of the screw rod 2, the two ends of the screw rod 2 are respectively provided with positive and negative threads, the two ends of the screw rod 2 are threadedly connected with sliders, two connecting plates are hinged on any of the sliders, a fixed bracket is fixedly connected to the side of the suspension beam close to the screw rod 2, the ends of the two connecting plates on any of the sliders are respectively hinged to the two fixed brackets, a motor 1 is fixedly installed in the middle of the cross beam, and the output end of the motor 1 is transmission-matched with the screw rod 2.

[0006] Preferably, a guide groove is provided inside the suspension beam, a screw rod is rotatably connected in the guide groove, both ends of the screw rod are respectively provided with positive and negative threads, and the two hooks are respectively threadedly connected to the two ends of the screw rod; a long hole is provided on the side of the cross beam away from the suspension beam, the long hole is connected to the slide groove, one end of the screw rod passes through the long hole and is fixedly connected to a driving member.

[0007] Preferably, the driving member is any one of a crank and a motor.

[0008] Preferably, a limiting groove is provided on the slide groove, a limiting block is slidingly limited in the limiting groove, and the limiting block is fixedly connected to the suspension beam.

[0009] Preferably, a plurality of lifting ears are fixedly connected to the mounting plate.

[0010] Preferably, a plurality of reinforcing plates are fixedly connected between the two cross beams, and the reinforcing plates are located at the bottom of the two cross beams.

[0011] Compared with the prior art, the utility model has the following advantages and technical effects:

[0012] The utility model provides an adjustable hoist, which drives screw rod 2 to rotate through motor 1, screw rod 2 drives two sliders to rotate and move the sliders on screw rod 2, and the slider drives the suspension beam to move on the crossbeam through a connecting plate, and the two sliders move toward or away from each other on screw rod 2 at the same time, so that the two suspension beams are synchronously approached or separated, thereby realizing the adjustment of the distance between the two suspension beams; the adjustment of the distance between the two suspension hooks is realized by rotating screw rod 1 on the suspension beam; the utility model can realize the adjustment of the horizontal and vertical spacing of the suspension hooks, so that it is suitable for the lifting of hoisting objects with different spacings; the utility model drives the gear to rotate through motor 2, and the gear is engaged with the toothed disc to rotate the main beam, thereby realizing the adjustment of the angle of the hoisting object in the air, improving the hoisting efficiency and improving the hoisting safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is an axonometric diagram of an adjustable sling proposed by the utility model;

[0015] Figure 2 This is a front view of an adjustable sling proposed by the utility model;

[0016] Figure 3 for Figure 2 Sectional view at the middle BB;

[0017] Figure 4 for Figure 2 Sectional view at AA in the middle;

[0018] Among them: 1. Mounting seat; 2. Toothed plate; 3. Gear; 4. Lifting ear; 5. Crossbeam; 6. Lifting beam; 7. Lifting hook; 8. Crank; 9. Slide; 10. Guide groove; 11. Limit block; 12. Screw rod 1; 13. Limit groove; 14. Fixed bracket; 15. Connecting plate; 16. Slider; 17. Screw rod 2; 18. Longitudinal beam; 19. Motor 1; 20. Motor 2; 21. Mounting plate; 22. Reinforcement plate. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments can be combined with each other. The described embodiments are only a part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] Reference Figure 1-Figure 4 The utility model provides an adjustable sling, including a main beam, a cover plate is fixedly connected to the top of the main beam, a mounting plate 21 is fixedly connected to the middle part of the top of the cover plate, a toothed disc 2 and a mounting seat 1 are coaxially arranged on the mounting plate 21, the toothed disc 2 is fixedly connected to the mounting plate 21, the mounting plate 21 is rotatably connected to the mounting seat 1, a motor 20 is fixedly installed on the mounting seat 1, a gear 3 is fixedly connected to the output end of the motor 20, and the gear 3 is meshed with the toothed disc 2; the main beam includes two cross beams 5, two longitudinal beams 18 are arranged between the two cross beams 5, the two longitudinal beams 18 are respectively fixedly connected to the two ends of the cross beam 5, two slide grooves 9 are opened on one side of any cross beam 5 close to the longitudinal beam 18, the two slide grooves 9 are respectively located at the two ends of the cross beam 5, two hanging beams 6 are arranged between the two cross beams 5, the two hanging beams 6 are respectively slidably connected in the slide grooves 9 at the two ends of the cross beam 5, an adjusting mechanism is arranged between the two hanging beams 6, the adjusting mechanism is used to adjust the distance between the two hanging beams 6, and two hooks 7 are arranged on any hanging beam 6.

[0021] The motor 20 is provided to drive the gear 3 to rotate, and the gear 3 is engaged with the toothed disc 2 to rotate the main beam; the adjustment structure provided can adjust the distance between the suspension beams 6, so as to facilitate matching of molds of different sizes.

[0022] Furthermore, the adjustment mechanism includes a screw rod 17 rotatably connected between the two cross beams 5, and two suspension beams 6 are symmetrically arranged on both sides of the screw rod 17. Both ends of the screw rod 17 are respectively provided with positive and negative threads, and both ends of the screw rod 17 are threadedly connected with sliders 16. Two connecting plates 15 are hinged on any slider 16. A fixed bracket 14 is fixedly connected to one side of the suspension beam 6 close to the screw rod 17. The ends of the two connecting plates 15 on any slider 16 are respectively hinged to the two fixed brackets 14. A motor 19 is fixedly installed in the middle of the cross beam 5, and the output end of the motor 19 is transmission-coordinated with the screw rod 17.

[0023] The output end of the motor 19 is fixedly connected to one end of the screw rod 17 and drives the screw rod 17 to rotate. The screw rod 17 drives the two sliders 16 to rotate and move the two sliders 16 on the screw rod 17. The sliders 16 drive the suspension beam 6 to move on the cross beam 5 through the connecting plate 15. The two sliders 16 move toward or away from each other on the screw rod 17 at the same time, so that the two suspension beams 6 are synchronously approached or separated, thereby realizing the adjustment of the distance between the two suspension beams 6.

[0024] Furthermore, in order to enable the two hooks 7 to slide on the hanging beam 6, a guide groove 10 is opened inside the hanging beam 6, and a screw rod 12 is rotatably connected in the guide groove 10. The two ends of the screw rod 12 are respectively provided with positive and reverse threads, and the two hooks 7 are respectively threadedly connected to the two ends of the screw rod 12; a long hole is opened on the side of the cross beam 5 away from the hanging beam 6, the long hole is connected to the slide groove 9, and one end of the screw rod 12 passes through the long hole and is fixedly connected to a driving member.

[0025] The driving member is a crank 8 in this example, which drives the screw rod 12 to rotate, so that the hooks 7 move toward or away from each other on the screw rod 12 at the same time, thereby adjusting the distance between the two hooks 7 on the same suspension beam 6.

[0026] Furthermore, the driving member is any one of a crank and a motor.

[0027] Furthermore, in order to prevent the hanging beam 6 from falling out when moving, a limiting groove 13 is provided on the slide groove 9, and a limiting block 11 is slidably limited in the limiting groove 13, and the limiting block 11 is fixedly connected to the hanging beam 6.

[0028] Furthermore, in order to facilitate connection with a crane, a plurality of lifting ears 4 are fixedly connected to the mounting plate 21 .

[0029] Furthermore, in order to increase the strength of the main beam, a plurality of reinforcing plates 22 are fixedly connected between the two cross beams 5 , and the reinforcing plates 22 are located at the bottom of the two cross beams 5 .

[0030] The adjustable sling provided by the utility model has the following working principle: before lifting, the site preparation work is done well, the matching shackle and chain are installed on the lifting ear 4, the lifting ring is hung on the crane hook and moved to the top of the mold, the crane is controlled to slowly drop the hook to a suitable position, and the operator controls the motor 19 to rotate according to the horizontal distance of the mold lifting ring so that the hook 7 between the two lifting beams 6 matches the two horizontal lifting rings on the mold; at the same time, the screw rod 12 on the two lifting beams 6 is rotated to adjust the distance between the two lifting hooks 7 on the same lifting beam 6 and match the lifting rings on the two longitudinal directions of the mold, and the hook 7 is buckled on the mold lifting ring, the crane is controlled to move to the top of the machine equipment and slowly fall, the motor 2 20 is started to drive the gear 3 to rotate, and the gear 3 is meshed with the toothed disc 2 to drive the mold to rotate, so that the mounting plate on the mold matches the position of the machine pressure plate, the pressure plate used to fix the mold is locked, and the hook 7 on the mold lifting ring is removed to complete the lifting. Finally, the lifting sling and the crane are reset, and the site is cleaned up.

[0031] The above are only preferred specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. An adjustable sling, characterized in that: The invention comprises a main beam, the top of the main beam is fixedly connected to a cover plate, the middle of the top of the cover plate is fixedly connected to a mounting plate (21), the mounting plate (21) is coaxially provided with a toothed disc (2) and a mounting seat (1), the toothed disc (2) is fixedly connected to the mounting plate (21), the mounting plate (21) is rotatably connected to the mounting seat (1), a second motor (20) is fixedly mounted on the mounting seat (1), the output end of the second motor (20) is fixedly connected to a gear (3), and the gear (3) is meshed with the toothed disc (2); The main beam comprises two cross beams (5), two longitudinal beams (18) are arranged between the two cross beams (5), the two longitudinal beams (18) are respectively fixedly connected to the two ends of the cross beams (5), two slide grooves (9) are opened on the side of any cross beam (5) close to the longitudinal beam (18), the two slide grooves (9) are respectively located at the two ends of the cross beam (5), two hanging beams (6) are arranged between the two cross beams (5), the two hanging beams (6) are respectively slidably connected in the slide grooves (9) at the two ends of the cross beam (5), an adjustment mechanism is arranged between the two hanging beams (6), the adjustment mechanism is used to adjust the distance between the two hanging beams (6), and two hanging hooks (7) are arranged on any hanging beam (6).

2. The adjustable sling according to claim 1, characterized in that: The adjustment mechanism includes a screw rod 2 (17) rotatably connected between the two cross beams (5), the two suspension beams (6) are symmetrically arranged on both sides of the screw rod 2 (17), and the two ends of the screw rod 2 (17) are respectively provided with positive and negative threads, and the two ends of the screw rod 2 (17) are threadedly connected with sliders (16), and two connecting plates (15) are hinged on any of the sliders (16). A fixed bracket (14) is fixedly connected to the side of the suspension beam (6) close to the screw rod 2 (17), and the ends of the two connecting plates (15) on any of the sliders (16) are respectively hinged with the two fixed brackets (14), and a motor 1 (19) is fixedly installed in the middle of the cross beam (5), and the output end of the motor 1 (19) is transmission-matched with the screw rod 2 (17).

3. The adjustable sling according to claim 1, characterized in that: A guide groove (10) is provided inside the suspension beam (6), and a screw rod (12) is rotatably connected inside the guide groove (10), and both ends of the screw rod (12) are respectively provided with positive and negative threads, and the two hooks (7) are respectively threadedly connected to the two ends of the screw rod (12); a long hole is provided on the side of the cross beam (5) away from the suspension beam (6), and the long hole is connected to the slide groove (9), and one end of the screw rod (12) passes through the long hole and is fixedly connected to a driving member.

4. The adjustable sling according to claim 3, characterized in that: The driving member is any one of a crank and a motor.

5. The adjustable sling according to claim 1, characterized in that: A limiting groove (13) is provided on the slide groove (9), a limiting block (11) is slidably limited in the limiting groove (13), and the limiting block (11) is fixedly connected to the suspension beam (6).

6. The adjustable sling according to claim 1, characterized in that: A plurality of lifting ears (4) are fixedly connected to the mounting plate (21).

7. The adjustable sling according to claim 1, characterized in that: A plurality of reinforcing plates (22) are fixedly connected between the two cross beams (5), and the reinforcing plates (22) are located at the bottom of the two cross beams (5).

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