Multifunctional electric hoist

Abstract

The invention relates to the technical field of carrying equipment, in particular to a multifunctional electric hoist which comprises a machine body, a driving motor is mounted on the machine body, a rotating roller is rotatably arranged on the machine body and connected with an output shaft of the driving motor, a cable is wound around the rotating roller, one end of the cable is directly and fixedly arranged on the rotating roller, and a hook penetrates through the other end of the cable. A cable penetrates through the hook and then is fixedly arranged on the rotating roller, a vehicle body is installed on the machine body, a driving wheel is rotatably arranged on the vehicle body, a rotating mechanism is arranged between the machine body and the vehicle body, the machine body is horizontally and rotatably arranged on the vehicle body through the rotating mechanism, and the rotating mechanism comprises a rotating motor, a rotating driving gear and a rotating driven gear ring. The rotating motor is installed on the trolley body, the rotating driving gear is installed on an output shaft of the rotating motor, the rotating driven gear ring is installed on the machine body, and the rotating driven gear ring is meshed with the rotating driving gear.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of handling equipment, in particular to a multifunctional electric hoist. BACKGROUND

[0002] The electric hoist is a kind of hoisting equipment installed on the crown block and the gantry crane. The electric hoist has the characteristics of small size, light weight, simple operation and convenient use, and is used in industrial and mining enterprises, warehouses, wharfs and other places.

[0003] The existing electric hoist lifts the workpiece by winding the cable after the workpiece is fixed by the hook, and then the workpiece is placed in the specified area by unwinding the cable. When placing the workpiece, the worker can rotate the workpiece according to the placement direction. However, when the space of the placement area is small, there is no space to rotate after the workpiece is lowered, and there is a great safety hazard to rotate the workpiece in the air by setting up a ladder by the worker. SUMMARY

[0004] In order to facilitate the adjustment of the placement direction of the workpiece, the present application provides a multifunctional electric hoist.

[0005] The multifunctional electric hoist structure provided by the present application adopts the following technical scheme: A multifunctional electric hoist, comprising a machine body, a driving motor is installed on the machine body, a rotating roller is rotatably arranged on the machine body, the rotating roller is connected with the output shaft of the driving motor, a cable is wound on the rotating roller, one end of the cable is directly fixed to the rotating roller, the other end of the cable is provided with a hook, the cable is fixed to the rotating roller after passing through the hook, a vehicle body is installed on the machine body, a driving wheel is rotatably arranged on the vehicle body, a rotating mechanism is arranged between the machine body and the vehicle body, the machine body is horizontally rotatably arranged on the vehicle body through the rotating mechanism, the rotating mechanism comprises a rotating motor, a rotating main gear and a rotating slave gear ring, the rotating motor is installed on the vehicle body, the rotating main gear is installed on the output shaft of the rotating motor, the rotating slave gear ring is installed on the machine body, and the rotating slave gear ring is meshed with the rotating main gear.

[0006] By adopting the above technical scheme, the rotating main gear is driven by the rotating motor, and the power is transmitted to the machine body through the rotating slave gear ring, so that the machine body can rotate on the vehicle body, thereby realizing the adjustment of the direction of the workpiece when the workpiece is lifted to the air through the rotating mechanism, which reduces the probability that the space of the placement area is not enough to affect the adjustment of the direction of the workpiece, reduces the safety hazard of high-altitude work, and facilitates the adjustment of the placement direction of the workpiece.

[0007] Optionally, a power gear is installed on the driving wheel, a polygonal rod is connected to the output shaft of the rotating motor, the rotating main gear is slidably arranged on the polygonal rod, and the rotating main gear is meshed with the power gear or the rotating slave gear ring through sliding.

[0008] Optionally, the vehicle body is provided with driving members, one driving member is arranged on each side of the rotating main gear in the sliding direction, and the two driving members drive the rotating main gear to slide.

[0009] Optionally, coaxial receiving discs are arranged on both sides of the rotating roller, a stabilizing rope is wound around the receiving disc, the stabilizing rope is unwound or wound synchronously with the cable, and the receiving disc is arranged in the machine body and a through hole is formed in the machine body below the receiving disc.

[0010] Optionally, a baffle is arranged on the machine body in a sliding manner, and the baffle opens or closes the through hole through sliding.

[0011] Optionally, a connecting rod is arranged between the baffles on both sides of the rotating roller, the connecting rod is fixed to the two baffles at both ends, a sliding member is arranged on the machine body, the sliding member drives the connecting rod to slide, and the connecting rod drives the two end baffles to slide synchronously.

[0012] Optionally, the hook comprises a connecting portion, a detachable portion and a hook body, the connecting portion is arranged on the cable, the detachable portion is detachably arranged on the connecting portion, and the hook body is fixedly arranged on the detachable portion.

[0013] Optionally, a fixing mechanism is arranged between the connecting portion and the detachable portion, the fixing mechanism comprises a slot, a plug rod and a fixing rod, the slot is formed in the connecting portion, the plug rod is fixedly arranged on the detachable portion, the plug rod is inserted into the slot when the detachable portion is arranged on the connecting portion, and the fixing rod is inserted into the connecting portion, and the fixing rod penetrates through the plug rod and the connecting portion.

[0014] Optionally, a reinforcing mechanism is arranged between the connecting portion and the detachable portion, the reinforcing mechanism comprises a hinged plate and an abutting plate, the hinged plate is arranged on the connecting portion in a rotating manner, and the abutting plate is fixedly arranged on the hinged plate.

[0015] Optionally, when the abutting plate abuts against the bottom of the detachable portion, the hinged plate blocks the fixing rod from moving away from the connecting portion.

[0016] In summary, the present application has at least one of the following beneficial technical effects: 1. The rotating main gear is driven by the rotating motor to transmit power to the machine body through the rotating gear ring, so that the machine body can rotate on the vehicle body, thereby adjusting the direction of the workpiece through the rotating mechanism when the workpiece is lifted to a high altitude, reducing the probability that the space of the placement area is insufficient to affect the adjustment of the direction of the workpiece, and reducing the safety hazards of high-altitude work, and facilitating the adjustment of the placement direction of the workpiece. 2. When the main gear rotates and engages with the sliding and rotating from the gear ring, it can drive the body to rotate on the vehicle body to adjust the direction of the body, when the main gear rotates and engages with the power gear, it can drive the vehicle to slide on the guide rail, the rotating main gear is driven to slide through the pushing of the piston rod of the two side electric push cylinders, the rotating main gear is slid through the actual demand, and the rotating motor is switched between the rotating body and the sliding body functions; 3. When the workpiece is lifted and transported, a single point of the workpiece is fixed, which is easy to cause the workpiece to tilt, the stability of the workpiece lifting and transportation is improved by arranging the stabilizing rope on the two sides of the workpiece and the hook connection, and the synchronous unwinding and winding of the storage rope and the cable are facilitated due to the synchronous rotation of the storage disc and the rotating roller, so that the lifting and lowering of the storage rope auxiliary cable is more stable; 4. The through hole is closed by the baffle, so that when the stabilizing rope is not needed, the stabilizing rope is limited to fall out of the body by the baffle, thereby reducing the influence of the stabilizing rope on the workpiece handling when not in use, and reducing the probability of damage of the stabilizing rope when not in use; 5. When the abutting plate abuts on the bottom of the dismounting part, the abutting plate abuts on the side of the dismounting part away from the connecting part, thereby reducing the probability of the dismounting part from the connecting part, thereby reinforcing the installation of the dismounting part on the connecting part, reducing the probability of the dismounting part from the connecting part, when the abutting plate rotates to separate from the bottom of the dismounting part, the dismounting part can be dismounted from the connecting part, and the dismounting part is replaced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of the overall structure of the embodiment of the present application.

[0018] Figure 2 is a schematic view of the overall structure of the embodiment of the present application.

[0019] Figure 3 is a partial sectional view of the overall structure of the embodiment of the present application.

[0020] Figure 4 is Figure 3 the enlarged view of A part in

[0021] Figure 5 is Figure 3 the enlarged view of B part in

[0022] In the figure, 1. body; 2. driving motor; 3. rotating roller; 4. cable; 5. hook; 51. connecting part; 52. disassembly and assembly part; 53. hook body; 6. vehicle body; 7. driving wheel; 71. power wheel; 72. stabilizing wheel; 8. rotating mechanism; 81. rotating motor; 82. rotating main gear; 83. rotating slave gear ring; 9. power gear; 10. polygonal rod; 11. driving member; 12. storage tray; 13. stabilizing rope; 14. through hole; 15. baffle; 16. connecting rod; 17. sliding member; 18. blocking rod; 19. fixing mechanism; 191. slot; 192. insertion rod; 193. fixing rod; 20. linkage plate; 21. gripping groove; 22. reinforcement mechanism; 221. hinge plate; 222. abutting plate; 23. elastic rubber pad. DETAILED DESCRIPTION

[0023] The following is combined with Figures 1-5 The present application is further described with reference to the following specific examples: First of all, it should be noted that in the description of this application, if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and other directional words appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this application; in addition, if the terms "first", "second", "third" and other numerical quantifiers appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", and "connected" appear, they should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, an interference fit, a transition fit and other limited connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium; therefore, for ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0024] The present application discloses a multifunctional electric hoist. Figure 1 and Figure 2, including the overall cylindrical body 1, the body 1 in the embodiment is the common electric hoist body 1 in the prior art, the driving motor 2 is installed on the body 1, the driving motor 2 selects a servo motor, the rotating roller 3 is rotatably arranged on the body 1, the rotating roller 3 is connected with the output shaft of the driving motor 2, the cable 4 is wound on the rotating roller 3, one end of the cable 4 is directly fixed on the rotating roller 3, the other end is provided with a hook 5, the cable 4 is fixed on the rotating roller 3 after passing through the hook 5, the vehicle body 6 is installed on the body 1, the driving wheel 7 is rotatably arranged on the vehicle body 6, the driving wheel 7 abuts on the track to drive the vehicle body 6 and the body 1 to slide, the rotating mechanism 8 is arranged between the body 1 and the vehicle body 6, the body 1 is horizontally rotatably arranged on the vehicle body 6 through the rotating mechanism 8, the rotating mechanism 8 comprises a rotating motor 81, a rotating main gear 82 and a rotating slave gear ring 83, the rotating motor 81 is installed on the vehicle body 6, the rotating motor 81 selects a servo motor, the rotating main gear 82 is installed on the output shaft of the rotating motor 81, the rotating slave gear ring 83 is installed on the body 1, the rotating slave gear ring 83 is engaged with the rotating main gear 82, the rotating slave gear ring 83 in the embodiment is a gear ring with a ring of edge teeth, the rotating main gear 82 is driven by the rotating motor 81 and the power is transmitted to the body 1 through the rotating slave gear ring 83, so that the body 1 can rotate on the vehicle body 6, so that the direction of the workpiece can be adjusted through the rotating mechanism 8 when the workpiece is lifted to a high altitude, that is, the probability that the insufficient space of the placement area affects the direction adjustment of the workpiece is reduced, and the safety hazard of high-altitude operation is also reduced, which facilitates the adjustment of the placement direction of the workpiece.

[0025] Referring to Figure 1 and Figure 2, a power gear 9 is installed on the driving wheel 7, and a polygonal rod 10 is connected to the output shaft of the rotating motor 81, and the rotating main gear 82 is slidingly set on the polygonal rod 10. The setting of the polygonal rod 10 can facilitate the sliding of the rotating main gear 82 and can also drive the rotating main gear 82 when the rotating motor 81 drives the output shaft to rotate, reducing the probability of slipping of the rotating main gear 82. The rotating main gear 82 engages with the power gear 9 or the rotating slave gear ring 83 through sliding. When the rotating main gear 82 engages with the rotating slave gear ring 83 through sliding, it can drive the body 1 to rotate on the vehicle body 6 to adjust the direction of the vehicle body 1. When the rotating main gear 82 engages with the power gear 9 through sliding, it can drive the vehicle body 6 to slide on the guide rail. In this embodiment, the driving wheel 7 includes a power wheel 71 and a stabilizing wheel 72. The power wheel 71 is arranged in the middle part of the vehicle body 6, and the power gear 9 and the power wheel The stabilizing wheels 72 are coaxially fixed and rotatably arranged on both sides of the power wheel 71. The stabilizing wheels 72 cooperate with the power wheel 71 to better stabilize the vehicle body 6 and reduce the probability of the vehicle body 6 tipping over. A driving member 11 is installed on the vehicle body 6. A driving member 11 is respectively arranged on both sides of the sliding direction of the rotating main gear 82. The driving members 11 on both sides respectively drive the rotating main gear 82 to slide. In this embodiment, the driving member 11 uses an electric push cylinder. The electric push cylinder is directly fixed on the vehicle body 6 on the side of the rotating main gear 82 facing the vehicle body 6, and the electric push cylinder is installed on the housing of the rotating motor 81 on the side of the rotating main gear 82 away from the vehicle body 6. The rotating motor 81 is installed on the vehicle body 6, and the rotating main gear 82 is driven to slide by the piston rods of the electric push cylinders on both sides. The rotating main gear 82 is slid according to actual needs, so that the rotating motor 81 can switch between the two functions of rotating the body 1 and sliding the body 1.

[0026] Reference Figure 3 and Figure 4, the two sides of the rotating roller 3 are coaxially provided with a storage disc 12, the storage disc 12 is provided with a stabilizing rope 13, one end of the stabilizing rope 13 is fixed on the storage disc 12, the stabilizing rope 13 is unwound or wound synchronously with the cable 4, when the cable 4 is unwound by the rotating roller 3, the stabilizing rope 13 is unwound synchronously, when the cable 4 is wound by the rotating roller 3, the stabilizing rope 13 is wound synchronously, the storage disc 12 is arranged in the machine body 1, the machine body 1 is provided with a through hole 14 below the storage disc 12, one end of the stabilizing rope 13 away from the storage disc 12 extends out of the machine body 1 through the through hole 14, when the workpiece to be lifted and transferred is long, single-point fixing of the workpiece can easily cause the workpiece to tilt, by tying the stabilizing rope 13 on the two sides of the workpiece connected with the hook 5, the stability of the workpiece during lifting and transferring can be improved by fixing the workpiece by multiple points, at the same time, due to the synchronous rotation of the storage disc 12 and the rotating roller 3, the synchronous unwinding and winding of the storage rope and the cable 4 are facilitated, and the lifting and lowering of the cable 4 assisted by the storage rope is more stable; the machine body 1 is provided with a baffle 15 which slides, the baffle 15 opens or closes the through hole 14 by sliding, in the embodiment, the baffle 15 is in the form of a circular arc plate body because the machine body 1 is in the form of a cylinder, the baffle 15 slides while being attached to the machine body 1 to rotate and slide about the machine body 1 as the axis, by closing the through hole 14 by the baffle 15, the probability of the stabilizing rope 13 falling out of the machine body 1 can be limited when the stabilizing rope 13 is not needed, thereby reducing the influence of the stabilizing rope 13 on the workpiece when it is not used, and reducing the probability of damage to the stabilizing rope 13 when it is not used; the two baffles 15 on the two sides of the rotating roller 3 are provided with a connecting rod 16, the two ends of the connecting rod 16 are fixed to the two baffles 15 respectively, the machine body 1 is provided with a sliding member 17, in the embodiment, the sliding member 17 is an electric cylinder, one end of the electric cylinder is rotatably arranged on the machine body 1, the other end is rotatably arranged on the connecting rod 16, the sliding member 17 drives the connecting rod 16 to slide, the connecting rod 16 drives the two baffles 15 at the two ends to slide synchronously, the synchronous sliding of the two baffles 15 is realized by the driving of the sliding member 17, thereby facilitating the opening or closing of the through holes 14 on the two sides of the cable 4 at the same time; after the use of the stabilizing rope 13 is completed, the stabilizing rope 13 needs to be wound into the machine body 1 by winding, and then the through hole 14 is closed by driving the baffle 15 to slide, thereby limiting the stabilizing rope 13 from extending out of the machine body 1; the electric appliances in the embodiment, such as the driving motor 2, the rotating motor 81, the driving member 11 and the sliding member 17, are all selected to be electric appliances with wireless control, remote control is realized by the remote controller to reduce the safety hazards of high-altitude operation, or electric wires can be installed, the remote controller close to the ground is connected through the electric wires, and the electric appliances are driven by the remote controller.

[0027] Referring to Figure 3 and Figure 5, the hook 5 comprises a connecting part 51, a detachable part 52 and a hook body 53, the connecting part 51 is installed on the cable 4, the detachable part 52 is detachably installed on the connecting part 51, the hook body 53 is fixedly arranged on the detachable part 52, the detachable part 52 is hingedly provided with a blocking rod 18 at the opening of the hook body 53, the blocking rod 18 abuts at the opening of the hook body 53 through the elastic force of the torsion spring, when the workpiece is hung on the hook body 53, the workpiece drives the blocking rod 18 to rotate to open the opening of the hook body 53, when the workpiece is completely hooked on the hook body 53, the blocking rod 18 rebounds to close the opening of the hook body 53 under the elastic force of the torsion spring to limit the disengagement of the workpiece, and the workpiece is taken down by subsequently opening the opening of the hook body 53 by pushing the blocking rod 18, the detachable part 52 can be installed on the connecting part 51 with hook bodies 53 of different sizes according to actual needs, and the cost of replacing the hook body 53 can be reduced when the hook body 53 is damaged; a fixing mechanism 19 is arranged between the connecting part 51 and the detachable part 52, the fixing mechanism 19 comprises a slot 191, a plug rod 192 and a fixing rod 193, the slot 191 is arranged on the connecting part 51, the plug rod 192 is fixedly arranged on the detachable part 52, the plug rod 192 is inserted into the slot 191 when the detachable part 52 is installed on the connecting part 51, the fixing rod 193 is inserted into the connecting part 51, and the fixing rod 193 penetrates through the plug rod 192 and the connecting part 51, in the embodiment, two of the slot 191, the plug rod 192 and the fixing rod 193 are arranged, two fixing rods 193 are connected with each other through a linkage plate 20, the arrangement of the linkage plate 20 can conveniently drive multiple fixing rods 193 at the same time, when the fixing rod 193 is installed on the connecting part 51, the linkage plate 20 is embedded in the connecting part 51, the embedded linkage plate 20 can reduce the probability of damage of the linkage plate 20 caused by impact, and a gripping groove 21 is arranged on the linkage plate 20, which facilitates the gripping and driving of the linkage plate 20.

[0028] Referring to Figure 3 and Figure 5The reinforcing mechanism 22 is arranged between the connecting portion 51 and the detachable portion 52, and the reinforcing mechanism 22 comprises a hinged plate 221 and an abutting plate 222. The hinged plate 221 is arranged on the connecting portion 51 in a rotating manner, and the abutting plate 222 is fixedly arranged on the hinged plate 221. In the embodiment, two hinged plates 221 are arranged, and the two hinged plates 221 are respectively arranged on the two sides of the thickness direction of the connecting portion 51. The two ends of the abutting plate 222 are respectively fixedly connected to the two hinged plates 221. The hinged plate 221 drives the abutting plate 222 to abut on or be separated from the bottom of the detachable portion 52. When the abutting plate 222 abuts on the bottom of the detachable portion 52, the abutting plate 222 abuts on the side of the detachable portion 52 away from the connecting portion 51, so as to reduce the probability that the detachable portion 52 is separated from the connecting portion 51, thereby reinforcing the installation of the detachable portion 52 on the connecting portion 51 and reducing the probability that the detachable portion 52 is separated from the connecting portion 51. When the abutting plate 222 is rotated to be separated from the bottom of the detachable portion 52, the detachable portion 52 can be detached from the connecting portion 51, so as to replace the detachable portion 52. The abutting plate 222 is provided with an elastic rubber pad 23 arranged on the side of the detachable portion 52. The elastic rubber pad 23 can reduce the probability that the abutting plate 222 is stuck during rotation, and can change the rigid abutment between the abutting plate 222 and the detachable portion 52 into flexible abutment, so as to reduce the probability that the abutting plate 222 and the detachable portion 52 are damaged due to abutment. In the embodiment, two groups of reinforcing mechanisms 22 are arranged corresponding to the fixed rods 193. The two groups of reinforcing mechanisms 22 are arranged close to the length direction ends of the connecting portion 51 corresponding to the two fixed rods 193. When the abutting plate 222 abuts on the bottom of the detachable portion 52, the hinged plate 221 blocks the direction in which the fixed rod 193 is separated from the connecting portion 51. The blocking of the hinged plate 221 reduces the probability that the fixed rod 193 is separated from the connecting portion 51 due to vibration during work. The arrangement of the two groups of reinforcing mechanisms 22 can balance the weight of the hook 5, reduce the probability that the hook 5 tilts to one side, and further reinforce the installation of the detachable portion 52 on the connecting portion 51.

[0029] The implementation principle of the embodiment of the application is that the vehicle body 6 is installed on the track of the gantry, the vehicle body 6 and the machine body 1 are moved to above the workpiece to be carried by rotating the motor 81 to drive the power gear 9, then the driving motor 2 is started to pay out the cable 4 to make the hook 5 descend to a position close to the ground to fix the workpiece, the workpiece is fixed by the hook 5, the driving motor 2 is started to drive the cable 4 to be stored to lift the workpiece, then the driving motor 81 is rotated to drive the power gear 9 to rotate the driving wheel 7, the vehicle body 6 is driven to slide on the gantry to slide the workpiece to the placement area, then the driving motor 2 is driven to rotate the roller 3 to rotate the pay-off cable 4 to make the workpiece descend to the placement area for placement; during the period, when the space of the placement area is small, and the workpiece needs to be turned before being placed, after the workpiece is lifted, the machine body 1 is rotated on the vehicle body 6 by rotating the motor 81 to drive the gear ring 83, so as to adjust the direction of the workpiece, after the direction of the workpiece is adjusted to the required direction, the workpiece is transported to the placement area for placement; when the workpiece is long as a whole, when the workpiece is fixed, the sliding baffle 15 is opened to make the stable rope 13 fall off from the through hole 14, the stable rope 13 is tied on the workpiece, the two sides of the workpiece and the hook 5 are fixed by the stable rope 13 to improve the lifting stability, and then the workpiece is carried; when the dismounting part 52 needs to be replaced, the abutting plate 222 is separated from the dismounting part 52 by rotating the hinged plate 221, then the fixing rod 193 is slid out of the connecting part 51, the dismounting part 52 is taken off from the connecting part 51, the replaced dismounting part 52 is installed on the connecting part 51, then the fixing rod 193 is inserted into the connecting part 51 again, and the hinged plate 221 is rotated to make the abutting plate 222 abut on the bottom of the dismounting part 52 again to complete the replacement of the connecting part 51.

[0030] It should be noted that the above embodiments are only used to illustrate the application and not to limit the technical solutions described in the application. Although the application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the skilled in the art can still modify or equivalently replace the application, and all technical solutions and improvements within the spirit and scope of the application should be covered in the scope of the claims of the application.

Claims

1. A multifunctional electric hoist, comprising a body (1), a driving motor (2) mounted on the body (1), a rotating roller (3) rotatably mounted on the body (1), the rotating roller (3) being connected to an output shaft of the driving motor (2), a cable (4) wound around the rotating roller (3), one end of the cable (4) being directly fixed to the rotating roller (3), and the other end being passed through a hook (5), the cable (4) being fixed to the rotating roller (3) after passing through the hook (5), a vehicle body (6) being mounted on the body (1), a driving wheel (7) being rotatably mounted on the vehicle body (6), characterized in that: A rotating mechanism (8) is provided between the machine body (1) and the vehicle body (6). The machine body (1) is horizontally rotated and arranged on the vehicle body (6) through the rotating mechanism (8). The rotating mechanism (8) comprises a rotating motor (81), a rotating main gear (82) and a rotating slave gear ring (83). The rotating motor (81) is mounted on the vehicle body (6), the rotating main gear (82) is mounted on the output shaft of the rotating motor (81), and the rotating slave gear ring (83) is mounted on the machine body (1). The rotating slave gear ring (83) and the rotating main gear (82) are meshed with each other.

2. A multifunctional electric hoist according to claim 1, characterized in that: A power gear (9) is mounted on the driving wheel (7), a polygonal rod (10) is connected to the output shaft of the rotating motor (81), the rotating main gear (82) is slidingly arranged on the polygonal rod (10), and the rotating main gear (82) is meshed with the power gear (9) or the rotating slave gear ring (83) through sliding.

3. The multifunctional electric hoist according to claim 2, characterized in that: A driving member (11) is installed on the vehicle body (6), and one driving member (11) is provided on each side of the sliding direction of the rotating main gear (82). The driving members (11) on both sides respectively drive the rotating main gear (82) to slide.

4. The multifunctional electric hoist according to claim 3, characterized in that: Storage trays (12) are coaxially mounted on both sides of the rotating roller (3). A stabilizing rope (13) is wound around the storage tray (12). The stabilizing rope (13) and the cable (4) are unwound or rewound synchronously. The storage tray (12) is arranged in the machine body (1), and the machine body (1) has a through hole (14) below the storage tray (12).

5. The multifunctional electric hoist according to claim 4, characterized in that: A baffle (15) is slidably provided on the machine body (1), and the baffle (15) opens or closes the through hole (14) by sliding.

6. The multifunctional electric hoist according to claim 5, characterized in that: A connecting rod (16) is provided between the baffles (15) on both sides of the rotating roller (3), and both ends of the connecting rod (16) are fixed to the two baffles (15) respectively. A sliding member (17) is provided on the machine body (1), and the sliding member (17) drives the connecting rod (16) to slide, and the connecting rod (16) drives the baffles (15) at both ends to slide synchronously.

7. The multifunctional electric hoist according to claim 1, characterized in that: The hook (5) comprises a connecting portion (51), a disassembling portion (52) and a hook body (53); the connecting portion (51) is mounted on the cable (4); the disassembling portion (52) is detachably mounted on the connecting portion (51); and the hook body (53) is fixed on the disassembling portion (52).

8. The multifunctional electric hoist according to claim 7, characterized in that: A fixing mechanism (19) is provided between the connecting portion (51) and the disassembling portion (52), and the fixing mechanism (19) comprises a slot (191), an inserting rod (192), and a fixing rod (193). The slot (191) is provided on the connecting portion (51), and the inserting rod (192) is fixed on the disassembling portion (52). When the disassembling portion (52) is mounted on the connecting portion (51), the inserting rod (192) is inserted into the slot (191), and the fixing rod (193) is inserted into the connecting portion (51). The fixing rod (193) passes through the inserting rod (192) and the connecting portion (51).

9. The multifunctional electric hoist according to claim 8, characterized in that: A reinforcement mechanism (22) is provided between the connecting portion (51) and the disassembling portion (52), and the reinforcement mechanism (22) comprises a hinge plate (221) and an abutting plate (222). The hinge plate (221) is rotatably provided on the connecting portion (51), and the abutting plate (222) is fixed on the hinge plate (221). The hinge plate (221) rotates to drive the abutting plate (222) to abut against the bottom of the disassembling portion (52) or to detach from the bottom of the disassembling portion (52).

10. The multifunctional electric hoist according to claim 9, characterized in that: When the abutting plate (222) abuts against the bottom of the disassembly portion (52), the hinged plate (221) blocks the direction in which the fixing rod (193) is separated from the connecting portion (51).

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