Electric hoist assembled with balance lifting appliance

Abstract

The utility model discloses an electric hoist assembled with a balance lifting appliance, which comprises symmetrically arranged lifting appliance frames and guide rails mounted on the lifting appliance frames, guide wheels are mounted in the lifting appliance frames, side plates are fixedly connected to the tops of the guide rails, mounting plates are symmetrically fixed in the side plates, and the balance lifting appliance is mounted on the mounting plates. A balancing weight is fixedly connected to one face of the side plate on one side, a mounting base is mounted at the top of the side plate, a guide pulley is connected to the top of the mounting base, a mounting box is mounted on one side of the side plate on the other side, an adjusting assembly is arranged in the mounting box, and a mounting assembly is arranged on one side of the side plate. And the adjusting assembly comprises a driving motor, the output end of the driving motor is fixedly connected with a main shaft, a winding roller is installed on the inner side of the side plate, and the problems that when the device is used for winding, a steel cable can be wound on a winch, the winding position is random, winding is not uniform, the steel cable is accumulated, and the winding efficiency is high are solved. And the winding effect and the balance state of the lifting hook are influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to an electric hoist equipped with a balancing sling. Background Art

[0002] Electric hoist is a special lifting equipment installed on overhead crane and gantry crane. Electric hoist has the characteristics of small size, light weight, simple operation and easy use. It is used in industrial and mining enterprises, warehouses, docks and other places. Electric hoist is composed of electric motor, transmission mechanism and drum or sprocket. It is divided into two types: wire rope electric hoist and chain electric hoist. When working, most of the electric hoists use drums and other equipment to release wire rope to lower the sling. The staff connects the sling with the corresponding goods. After the connection is completed, the motor drives the drum to rotate and retract part of the wire rope to make the sling rise and lift the goods. Then the driving equipment drives the electric hoist to move to realize the transportation of goods.

[0003] The publication number CN215101691U discloses a mobile hoist with an electric hoist, which belongs to the technical field of mobile hoists. The mobile hoist with an electric hoist comprises a main hoist frame, a lower guide rail is connected to the lower guide rail, and an electric hoist is installed on the lower guide rail, and the electric hoist and the lower guide rail are slidably connected; universal joints and hanging plates are installed on both sides of the main hoist frame, and a beam-traveling electric sports car is installed above the universal joint; a wheel fixing frame, a wheel connecting frame and a wheel are installed above the main hoist frame, but the patent still has the following problems in actual use:

[0004] The fixing frame of the supporting wheel of the device can be shifted and adjusted, and is suitable for straight and circular beams. A pad is provided to ensure that the supporting wheel does not get stuck when rolling, effectively preventing the sling from overturning excessively after unilateral overloading, and it is easy to install and disassemble. However, when the device is reeled in, the steel cable will be wound on the winch, and the winding position is random, which is prone to uneven winding. Uneven winding will cause the steel cable to accumulate, affecting the winding effect and the balance of the hook, and has certain defects.

[0005] An electric hoist equipped with a balancing sling is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide an electric hoist equipped with a balanced sling to solve the problem that when the device is wound, the steel cable will be wound on the capstan, the winding position is random, and the winding is prone to unevenness, causing the steel cable to accumulate, thus affecting the winding effect and the balance state of the hook.

[0007] To achieve the above object, the utility model provides the following technical solution: an electric hoist equipped with a balancing sling, comprising a symmetrically arranged sling frame and a guide rail installed on the sling frame, wherein a guide wheel is installed inside the sling frame, and a side plate is fixedly connected to the top of the guide rail;

[0008] A mounting plate is symmetrically fixed inside the side plate, a counterweight is fixedly connected to one side of the side plate on one side, a mounting seat is installed on the top of the side plate, a guide pulley is connected to the top of the mounting seat, a mounting box is installed on one side of the side plate on the other side, an adjustment component is arranged inside the mounting box, and a mounting component is arranged on one side of the side plate;

[0009] Also includes:

[0010] The adjustment assembly includes a driving motor, the output end of the driving motor is fixedly connected to the main shaft, a winding roller is installed on the inner side of the side plate, one end of the winding roller is fixedly connected to the main shaft, a steel cable is symmetrically wound on the outer side of the winding roller, a hook is installed on the bottom end of the steel cable, an upper bevel gear is fixedly connected to the outer side of the main shaft, a rotating shaft is vertically rotatably connected to the middle of the inner side of the installation box, a lower bevel gear is fixedly connected to the top end of the rotating shaft, and the lower bevel gear is adaptively connected to the upper bevel gear;

[0011] The bottom end of the rotating shaft is fixedly connected with a semi-helical gear, a fixed plate is fixedly connected to one side of the lower inner part of the installation box, a lower shaft is rotatably connected to one side of the fixed plate, a right helical gear and a left helical gear are fixedly connected to the outer side of the lower shaft, the right helical gear is meshed with the semi-helical gear, and the left helical gear is meshed with the semi-helical gear;

[0012] Among them, one end of the lower shaft passes through the side plate and is fixedly connected to a screw rod, the screw rod is rotatably connected to the side plate, a threaded sleeve is sleeved on the outer side of the screw rod, one side of the threaded sleeve is fixedly connected to a limiting ring, and the steel cable passes through the center of the limiting ring.

[0013] Preferably, the mounting assembly includes a slide groove, which is opened on a side plate on one side, the slide groove is opened in a ring shape, a slide rod is slidably connected inside the slide groove, a slot is opened on the side of the winding roller close to the slide groove, and the slide rod is snap-connected with the slot.

[0014] Preferably, the semi-bevel gear is located between the right bevel gear and the left bevel gear, the threaded sleeve is threadedly connected to the screw rod, two screw rods are symmetrically arranged, the two screw rods are fixedly connected, and a connecting plate is installed in the middle of one side of the mounting plate on the back, and the screw rod is rotatably connected to the connecting plate.

[0015] Preferably, two slots are symmetrically provided, and one end of the slide rod away from the winding roller is fixedly connected to a turntable.

[0016] Preferably, the turntable is located on the outer side of the side plate, a rotating member is installed in the middle of one side of the side plate, and a spring is connected to one side of the rotating member.

[0017] Preferably, the rotating member is rotatably connected to the side plate, and the spring is fixedly connected to the hanger frame.

[0018] Preferably, one end of the spring away from the rotating member is fixedly connected to the turntable, and there are no less than two springs.

[0019] Compared with the prior art, the utility model has the following beneficial effects: by setting the adjustment component, when the device is working, when the drive motor is started to rotate and reel, the steel cable will be wound on the winding roller, which is convenient for winding the steel cable evenly on the winding roller. The screw rods on both sides are relatively arranged, so that the steel cables on both sides are evenly wound, which reduces the accumulation of the steel cables when winding, and also reduces the inclination of the hook, so as to better maintain the balance state of the hook. The specific contents are as follows:

[0020] 1. By setting the adjustment component, when the device is working, the drive motor is started to rotate and reel in, and the steel cable will be wound on the winding roller. At this time, the drive motor drives the upper bevel gear to rotate through the main shaft, and the upper bevel gear drives the lower bevel gear and the rotating shaft to rotate, and the rotating shaft drives the semi-bevel gear to rotate. Since there is only a half-circle tooth block on the semi-bevel gear, it cooperates with the right bevel gear and the left bevel gear on both sides, so that the semi-bevel gear first drives the right bevel gear on one side to rotate forward, and then drives the left bevel gear on the other side to rotate reversely, so that the lower shaft will rotate back and forth, and the lower shaft drives the lead screw to rotate back and forth, and the lead screw The rod drives the threaded sleeve on it to move left and right, and the threaded sleeve drives the limit ring to limit the steel cable, thereby evenly winding the steel cable on the winding roller. The screw rods on both sides are relatively arranged, so that the steel cables on both sides are evenly wound, reducing the accumulation of the steel cables during winding, and also reducing the inclination of the hook, thereby better maintaining the balance of the hook, and solving the problem that when the device is wound, the steel cable 13 will be wound on the capstan, and its winding position is random, which is prone to uneven winding, causing the steel cable 13 to accumulate, affecting the winding effect and the balance of the hook 14.

[0021] 2. An installation component is provided. When installing the winding roller, first fix one end of the winding roller to the main shaft with a bolt, then pull the turntable, the turntable drives the slide bar to move, and the turntable stretches the spring, so that the slide bar slides to the inside of the slide slot, and after keeping the winding roller horizontal and the slot is located in the position of the slide slot, release the turntable, and the elastic force of the spring drives the turntable to reset, and the turntable drives the slide bar to move, so that the slide bar is stuck in the inside of the slot, and then the winding roller is installed. The slide slot is annular, and when the winding roller rotates, the winding roller drives the slide slot and the turntable to rotate, and the rotating part assists in the rotation, and will not cause any obstruction to the winding of the winding roller, so it is more convenient to install the winding roller. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;

[0024] Figure 3 This is a schematic diagram of the top view of the mounting plate of the utility model;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at B in FIG.

[0026] Figure 5 For this utility model Figure 1 The enlarged structural diagram at C in FIG.

[0027] Figure 6 This is a schematic diagram of the side view structure of the turntable of the utility model;

[0028] Figure 7 This is a schematic diagram of the overall structure of the utility model.

[0029] In the figure: 1. hanger frame; 2. guide rail; 3. guide wheel; 4. mounting plate; 5. side plate; 6. counterweight; 7. mounting seat; 8. guide pulley; 9. mounting box; 10. drive motor; 11. main shaft; 12. winding roller; 13. steel cable; 14. hook; 15. upper bevel gear; 16. rotating shaft; 17. lower bevel gear; 18. semi-bevel gear; 19. fixing plate; 20. lower shaft; 21. right bevel gear; 22. left bevel gear; 23. screw rod; 24. threaded sleeve; 25. limit ring; 26. connecting plate; 27. slide groove; 28. slide rod; 29. ​​slot; 30. turntable; 31. rotating part; 32. spring. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-7 The utility model provides a technical solution: an electric hoist equipped with a balancing sling, comprising a symmetrically arranged sling frame 1 and a guide rail 2 installed on the sling frame 1, a guide wheel 3 is installed inside the sling frame 1, and a side plate 5 is fixedly connected to the top of the guide rail 2.

[0032] A mounting plate 4 is symmetrically fixed inside the side panel 5, a counterweight 6 is fixedly connected to one surface of the side panel 5, a mounting seat 7 is installed on the top of the side panel 5, a guide pulley 8 is connected to the top of the mounting seat 7, a mounting box 9 is installed on one side of the other side panel 5, an adjustment component is arranged inside the mounting box 9, and a mounting component is arranged on one side of the side panel 5.

[0033] The adjusting component includes a driving motor 10, the output end of which is fixedly connected to a main shaft 11, a winding roller 12 is installed on the inner side of the side plate 5, one end of the winding roller 12 is fixedly connected to the main shaft 11, a steel cable 13 is symmetrically wound around the outer side of the winding roller 12, a hook 14 is installed at the bottom end of the steel cable 13, an upper bevel gear 15 is fixedly connected to the outer side of the main shaft 11, a rotating shaft 16 is vertically rotatably connected to the middle of the inner part of the mounting box 9, a lower bevel gear 17 is fixedly connected to the top of the rotating shaft 16, and the lower bevel gear 17 is adaptively connected to the upper bevel gear 15.

[0034] Among them, a semi-helical gear 18 is fixedly connected to the bottom end of the rotating shaft 16, a fixed plate 19 is fixedly connected to the lower side of the interior of the installation box 9, a lower shaft 20 is rotatably connected to one side of the fixed plate 19, and a right helical gear 21 and a left helical gear 22 are fixedly connected to the outer side of the lower shaft 20. The right helical gear 21 is meshedly connected to the semi-helical gear 18, and the left helical gear 22 is meshedly connected to the semi-helical gear 18.

[0035] Among them, one end of the lower shaft 20 passes through the side plate 5 and is fixedly connected to a screw rod 23, the screw rod 23 is rotatably connected to the side plate 5, a threaded sleeve 24 is sleeved on the outer side of the screw rod 23, one side of the threaded sleeve 24 is fixedly connected to a limiting ring 25, and the steel cable 13 passes through the center of the limiting ring 25.

[0036] By setting the adjustment component, when the device is working, the drive motor 10 is started to rotate and rewind, and the steel cable 13 will be wound on the winding roller 12. At this time, the drive motor 10 drives the upper bevel gear 15 to rotate through the main shaft 11, and the upper bevel gear 15 drives the lower bevel gear 17 and the rotating shaft 16 to rotate, and the rotating shaft 16 drives the semi-bevel gear 18 to rotate. Since there is only a half-circle tooth block on the semi-bevel gear 18, it cooperates with the right bevel gear 21 and the left bevel gear 22 on both sides, so that the semi-bevel gear 18 first drives the right bevel gear 21 on one side to rotate forward, and then drives the left bevel gear 22 on the other side to reverse, so that the lower shaft 20 will rotate back and forth, and the lower shaft 20 drives the lead screw 23 to rotate back and forth, and the lead screw 23 drives the threaded sleeve 24 thereon to move left and right, and the threaded sleeve 24 drives the limit ring 25 to limit the steel cable 13, and then the steel cable 13 is evenly wound on the winding roller 12.

[0037] The screw rods 23 on both sides are arranged relatively to each other, so that the steel cables 13 on both sides can be evenly wound, reducing the accumulation of the steel cables 13 when winding, and reducing the inclination of the hook 14, so as to better maintain the balance of the hook 14, and solve the problem that when the device is wound, the steel cable will be wound on the winch, and its winding position is random, which is prone to uneven winding and causes the steel cable to accumulate, affecting the winding effect and the balance of the hook.

[0038] The mounting assembly includes a slide groove 27, which is opened on the side plate 5 on one side. The slide groove 27 is opened in a ring shape. A slide rod 28 is slidably connected inside the slide groove 27. A slot 29 is opened on the side of the winding roller 12 close to the slide groove 27, and the slide rod 28 is engaged with the slot 29.

[0039] The semi-helical gear 18 is located between the right helical gear 21 and the left helical gear 22. The threaded sleeve 24 is threadedly connected to the screw rod 23. Two screw rods 23 are symmetrically arranged and fixedly connected. A connecting plate 26 is installed in the middle of one side of the back mounting plate 4. The screw rod 23 is rotatably connected to the connecting plate 26.

[0040] Two slots 29 are symmetrically provided. A turntable 30 is fixedly connected to one end of the slide bar 28 away from the winding roller 12 . The turntable 30 is located on the outer side of the side plate 5 . A rotating member 31 is installed in the middle of one side plate 5 . A spring 32 is connected to one side of the rotating member 31 .

[0041] The rotating member 31 is rotatably connected to the side plate 5, the spring 32 is fixedly connected to the hanger frame 1, and the end of the spring 32 away from the rotating member 31 is fixedly connected to the turntable 30. There are no less than two springs 32, and an installation assembly is provided. When installing the winding roller 12, first fix one end of the winding roller 12 to the main shaft 11 through bolts, then pull the turntable 30, the turntable 30 drives the slide bar 28 to move, and the turntable 30 stretches the spring 32, so that the slide bar 28 slides into the inside of the slide groove 27 to keep the winding roller After 12 is level and the slot 29 is located at the position of the slide groove 27, the turntable 30 is released, and the elastic force of the spring 32 drives the turntable 30 to reset. The turntable 30 drives the slide bar 28 to move, so that the slide bar 28 is stuck in the inside of the slot 29, and then the winding roller 12 is installed. The slide groove 27 is annular. When the winding roller 12 rotates, the winding roller 12 drives the slide groove 27 and the turntable 30 to rotate, and the rotating member 31 assists in the rotation. It will not cause any obstruction to the winding of the winding roller 12, and it is more convenient to install the winding roller 12.

[0042] Working principle:

[0043] Before using this type of electric hoist equipped with a balancing sling, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 7As shown, when the device is working, when the drive motor 10 is started to rotate and reel, the steel cable 13 will be wound around the winding roller 12. At this time, the drive motor 10 drives the upper bevel gear 15 to rotate through the main shaft 11, the upper bevel gear 15 drives the lower bevel gear 17 and the rotating shaft 16 to rotate, and the rotating shaft 16 drives the semi-bevel gear 18 to rotate.

[0044] Since there is only a half circle of teeth on the semi-helical gear 18, it cooperates with the right helical gear 21 and the left helical gear 22 on both sides, so that the semi-helical gear 18 first drives the right helical gear 21 on one side to rotate forward, and then drives the left helical gear 22 on the other side to rotate counterclockwise, so that the lower shaft 20 can rotate back and forth, and the lower shaft 20 drives the screw rod 23 to rotate back and forth, and the screw rod 23 drives the threaded sleeve 24 thereon to move left and right, and the threaded sleeve 24 drives the limit ring 25 to limit the steel cable 13, and then the steel cable 13 is evenly wound on the winding roller 12. The screw rods 23 on both sides are arranged relatively to each other, so that the steel cables 13 on both sides are evenly wound, which reduces the accumulation of the steel cables 13 when winding, and also reduces the inclination of the hook 14, thereby better maintaining the balance of the hook 14.

[0045] When installing the winding roller 12, first fix one end of the winding roller 12 to the main shaft 11 by bolts, then pull the turntable 30, the turntable 30 drives the slide bar 28 to move, and the turntable 30 stretches the spring 32, so that the slide bar 28 slides into the inside of the slide slot 27, keeps the winding roller 12 horizontal and the slot 29 is located in the position of the slide slot 27, release the turntable 30, the elastic force of the spring 32 drives the turntable 30 to reset, the turntable 30 drives the slide bar 28 to move, so that the slide bar 28 is stuck in the inside of the slot 29, and then the winding roller 12 is installed. The slide slot 27 is annular, and when the winding roller 12 rotates, the winding roller 12 drives the slide slot 27 and the turntable 30 to rotate, and the rotating member 31 assists in the rotation, and will not cause any obstruction to the winding of the winding roller 12, so it is more convenient to install the winding roller 12.

[0046] 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. An electric hoist equipped with a balancing sling, comprising a symmetrically arranged sling frame (1) and a guide rail (2) mounted on the sling frame (1), wherein a guide wheel (3) is mounted inside the sling frame (1), and a side plate (5) is fixedly connected to the top of the guide rail (2); A mounting plate (4) is symmetrically fixed inside the side plate (5); a counterweight (6) is fixedly connected to one surface of the side plate (5); a mounting seat (7) is installed on the top of the side plate (5); a guide pulley (8) is connected to the top of the mounting seat (7); a mounting box (9) is installed on one side of the side plate (5) on the other side; an adjustment component is arranged inside the mounting box (9); and a mounting component is arranged on one side of the side plate (5); It is characterized in that Also includes: The adjustment component comprises a driving motor (10), the output end of the driving motor (10) is fixedly connected to a main shaft (11), a winding roller (12) is installed on the inner side of the side plate (5), one end of the winding roller (12) is fixedly connected to the main shaft (11), a steel cable (13) is symmetrically wound around the outer side of the winding roller (12), a hook (14) is installed at the bottom end of the steel cable (13), an upper bevel gear (15) is fixedly connected to the outer side of the main shaft (11), a rotating shaft (16) is vertically rotatably connected to the middle of the interior of the installation box (9), a lower bevel gear (17) is fixedly connected to the top end of the rotating shaft (16), and the lower bevel gear (17) is adaptively connected to the upper bevel gear (15); The bottom end of the rotating shaft (16) is fixedly connected with a semi-helical gear (18), a fixing plate (19) is fixedly connected to one side of the lower part of the installation box (9), a lower shaft (20) is rotatably connected to one side of the fixing plate (19), a right helical gear (21) and a left helical gear (22) are fixedly connected to the outer side of the lower shaft (20), the right helical gear (21) is meshingly connected with the semi-helical gear (18), and the left helical gear (22) is meshingly connected with the semi-helical gear (18); One end of the lower shaft (20) passes through the side plate (5) and is fixedly connected to a screw rod (23), the screw rod (23) is rotatably connected to the side plate (5), a threaded sleeve (24) is sleeved on the outer side of the screw rod (23), one side of the threaded sleeve (24) is fixedly connected to a limiting ring (25), and the steel cable (13) passes through the center of the limiting ring (25).

2. The electric hoist for balancing the lifting device according to claim 1, characterized in that: The mounting assembly comprises a slide groove (27), wherein the slide groove (27) is provided on a side plate (5), the slide groove (27) is provided in an annular shape, a slide rod (28) is slidably connected inside the slide groove (27), a slot (29) is provided on a side of the winding roller (12) close to the slide groove (27), and the slide rod (28) is snap-fitted and connected to the slot (29).

3. The electric hoist for balancing the lifting device according to claim 1, characterized in that: The semi-helical gear (18) is located between the right helical gear (21) and the left helical gear (22); the threaded sleeve (24) is threadedly connected to the screw rod (23); two screw rods (23) are symmetrically arranged, and the two screw rods (23) are fixedly connected; a connecting plate (26) is installed in the middle of one side of the mounting plate (4) on the back; the screw rod (23) is rotatably connected to the connecting plate (26).

4. The electric hoist for balancing the lifting device according to claim 2, characterized in that: Two slots (29) are symmetrically provided, and one end of the slide bar (28) away from the winding roller (12) is fixedly connected to a rotating disk (30).

5. The electric hoist for balancing the lifting device according to claim 4, characterized in that: The rotating disk (30) is located on the outside of the side plate (5), a rotating member (31) is installed in the middle of one side of the side plate (5), and a spring (32) is connected to one side of the rotating member (31).

6. The electric hoist for balancing the lifting device according to claim 5, characterized in that: The rotating member (31) is rotatably connected to the side plate (5), and the spring (32) is fixedly connected to the hanger frame (1).

7. The electric hoist for balancing the lifting device according to claim 6, characterized in that: One end of the spring (32) away from the rotating member (31) is fixedly connected to the rotating disk (30), and there are no less than two springs (32).

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