CN217173096U - Hoist and hoisting accessory thereof - Google Patents

Abstract

The utility model relates to the technical field of winches and discloses a winch and a hoisting device thereof, which comprises a steering wheel, a hoisting device and a hoisting device, wherein the steering wheel is arranged above a base and used for changing the steering of a steel wire rope; and the lifting assembly is arranged between the base and the steering wheel and used for driving the steering wheel to lift. Through the technical scheme, when the winch and the hoisting device thereof hoist heavy objects at a low position, the steel wire rope is firstly wound along the steering wheel, and then the transmission box is moved by the moving assembly and is close to the second rotating shaft, so that the transmission assembly is in matched transmission with the first rotating shaft and the second rotating shaft; the driving motor is started to drive the first rotating shaft and the second rotating shaft to rotate, so that the lifting assembly rises, the steel wire rope extends synchronously, when the lifting assembly rises to a preset height, a heavy object can be lifted through the steel wire rope, the construction efficiency of the winch is improved, and the winch can be suitable for different construction places.

Description

Hoist and hoisting accessory thereof

Technical Field

The utility model relates to a hoist engine technical field specifically relates to a hoist engine and hoisting accessory thereof.

Background

The hoist is a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, and is also called a winch. The winch has the characteristics of simple operation, large rope winding amount and convenient displacement, and is widely applied to the fields of buildings, hydraulic engineering, forestry, mines, docks and the like.

At present, in the construction process of a power transmission line, a winch is often required to be placed at a high position to lift a heavy object, but the power transmission line is often constructed in places with uneven terrain, such as mountainous areas. In the initial construction stage, hoisting equipment such as a crane and the like cannot conveniently enter, an existing winch cannot hoist a heavy object to be hoisted at a low position, and if the equipment such as the crane and the like enters a construction site, the construction efficiency of a power transmission line can be influenced, and the construction period is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the hoist engine that prior art exists can't lower lift by crane the heavy object of treating the promotion again, provide a hoist engine and hoisting accessory thereof, this hoist engine and hoisting accessory thereof have the function that the heavy object of treating the promotion was lifted by crane to the low department.

In order to achieve the above object, an aspect of the present invention provides a hoisting device of a winch, including:

the steering wheel is arranged above the base and used for changing the steering direction of the steel wire rope;

the lifting assembly is arranged between the base and the steering wheel and is used for driving the steering wheel to lift;

one end of the first rotating shaft is connected with the lifting component and is used for rotating to drive the lifting component to start;

one end of the second rotating shaft is connected with the driving motor;

the transmission case is arranged at the top of the base, the other end of the transmission case, facing the second rotating shaft, is arranged in an open manner, and the other end of the second rotating shaft extends to the interior of the transmission case along the open manner; a square hole is formed in one side, close to the first rotating shaft, of the transmission case, and the other end of the first rotating shaft penetrates through the square hole and extends into the transmission case;

the transmission assembly is arranged inside the transmission box and is used for being matched with the first rotating shaft and the second rotating shaft to drive the second rotating shaft to rotate;

and the moving component is connected with the transmission case and used for driving the transmission case to be close to or far away from the second rotating shaft.

Optionally, the transmission assembly comprises:

the fixed cylinder is rotatably arranged on the inner wall of the transmission box, and the opening end of the fixed cylinder faces the other end of the second rotating shaft and is used for fixing the second rotating shaft;

the first bevel gear is fixedly sleeved on the outer side of the fixed cylinder;

one end of the third rotating shaft is rotatably connected with the bottom of the inner side of the transmission case, and the other end of the third rotating shaft extends to the lower part of the fixed cylinder;

the second bevel gear is arranged at the other end of the third rotating shaft and meshed with the first bevel gear;

the third bevel gear is fixedly sleeved on the outer side of the third rotating shaft;

and the fourth bevel gear is arranged at the other end of the first rotating shaft and is used for being meshed and connected with the third bevel gear.

Optionally, a limiting sleeve plate is arranged inside the fixed cylinder, and the limiting sleeve plate is used for being matched with the second rotating shaft to fix the second rotating shaft.

Optionally, the moving assembly comprises:

the cavity is formed in the base;

the movable opening is formed in the top of the base and communicated with the cavity;

the moving block penetrates through the moving opening, and one end of the moving block is connected with the bottom of the transmission case;

the first screw rod is rotatably arranged inside the cavity, and one end of the first screw rod extends to the outside of the base;

and the first threaded ring is sleeved outside the first screw rod in a threaded manner, and the other end of the moving block is connected with the first threaded ring.

Optionally, one end of the first screw is provided with a hand crank.

Optionally, a wire loop is provided on the top of the base.

Optionally, the lifting assembly comprises:

one end of the second screw is connected with one end of the first rotating shaft;

the baffle is arranged at the top of the base, and the other end of the second screw is rotatably connected with the baffle;

the second threaded ring is sleeved outside the second screw rod in a threaded manner;

the two lifting frames are oppositely arranged, and the tops of the two lifting frames are respectively hinged with the two ends of the steering wheel through rotating rods;

and one end of the driving rod is connected with the second threaded ring, and the other end of the driving rod is connected with the two lifting frames and is used for driving the two lifting frames to synchronously lift or descend.

Optionally, the crane comprises:

the two transverse plates are distributed up and down, the transverse plate positioned above is connected with the rotating rod, and the transverse plate positioned below is connected with the base;

the two sliding rods are respectively arranged on one side opposite to the two transverse plates;

the two sliding sleeves are respectively sleeved on the outer sides of the two sliding rods in a sliding manner;

the connecting rods are hinged in a cross mode, the two connecting rods at each end are hinged to the corresponding sliding sleeves and the transverse plates respectively, and the driving rod is connected with the sliding sleeves located at the bottom.

On the other hand, the utility model also provides a hoist engine, include:

a base;

the driving motor is arranged at the top of the base;

a reel disposed on top of the base;

the linkage assembly is connected with the driving motor and the reel and is used for being matched with the driving motor to drive the reel to rotate;

a lifting device as claimed in any one of the preceding claims.

Through the technical scheme, when the winch and the hoisting device thereof hoist heavy objects at a low position, the steel wire rope is firstly wound along the steering wheel, and then the transmission box is moved by the moving assembly and is close to the second rotating shaft, so that the transmission assembly is in matched transmission with the first rotating shaft and the second rotating shaft; the driving motor is started to drive the first rotating shaft and the second rotating shaft to rotate, so that the lifting assembly rises, the steel wire rope extends synchronously, when the lifting assembly rises to a preset height, a heavy object can be lifted through the steel wire rope, the construction efficiency of the winch is improved, and the winch can be suitable for different construction places.

Drawings

Fig. 1 is a schematic structural view of a winch and a lifting device thereof according to an embodiment of the present invention;

fig. 2 is a front view of a hoist and its lifting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a hoist and a transmission assembly in the hoist according to an embodiment of the present invention;

fig. 4 is a schematic view of the connection between the driving rod and the sliding sleeve in the hoisting machine and the hoisting apparatus thereof according to an embodiment of the present invention.

Description of the reference numerals

1. Base 2 and driving motor

3. Reel 4, cross plate

5. Driving rod 6 and rotating rod

7. Steering wheel 8, wire loop

9. Baffle 10, second screw

11. Second threaded ring 12, first shaft

13. Linkage assembly 14 and transmission case

15. Crank handle 16, moving opening

17. Second rotating shaft 18 and first bevel gear

19. Fixed cylinder 20 and limiting sleeve plate

21. Second bevel gear 22, third shaft

23. Third bevel gear 24, cavity

25. First screw 26, first threaded ring

27. Moving block 28, square hole

29. Fourth bevel gear 30, connecting rod

31. Sliding rod 32 and sliding sleeve

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Fig. 1 is a schematic structural view of a winch and a lifting device thereof according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a transmission assembly in a winch and a lifting device thereof according to an embodiment of the present invention. In fig. 1 and 3, the lifting device may include a steering wheel 7, a lifting assembly, a first rotating shaft 12, a second rotating shaft 17, a transmission case 14, a transmission assembly, and a moving assembly. Specifically, the gear box 14 may include a square aperture 28.

The steering wheel 7 is arranged above the base 1 and used for changing the steering direction of the steel wire rope; the lifting assembly is arranged between the base 1 and the steering wheel 7 and is used for driving the steering wheel 7 to lift; one end of the first rotating shaft 12 is connected with the lifting assembly and is used for rotating to drive the lifting assembly to start; one end of the second rotating shaft 17 is connected with the driving motor 2; the transmission case 14 is arranged at the top of the base 1, the other end of the transmission case 14 facing the second rotating shaft 17 is arranged in an open manner, and the second rotating shaft 17 extends to the inside of the transmission case 14 along the open manner; a square hole 28 is formed in one side of the transmission case 14 close to the first rotating shaft 12, and the other end of the first rotating shaft 12 penetrates through the square hole 28 and extends into the transmission case 14; the transmission assembly is arranged inside the transmission case 14 and is used for matching with the first rotating shaft 12 and the second rotating shaft 17 to drive the second rotating shaft 17 to rotate; the moving component and the transmission case 14 are used for driving the transmission case 14 to approach or depart from the second rotating shaft 17.

When the heavy object needs to be lifted, one end of the steel wire rope is wound along the steering wheel 7, then the moving assembly is driven to start, and the moving assembly drives the transmission case 14 to be gradually close to the other end of the second rotating shaft 17 until the preset position is reached. At this time, the transmission assembly is respectively connected with the first rotating shaft 12 and the second rotating shaft 17 and forms a transmission structure in a matching way. After the transmission structure is formed, the driving motor 2 is started, and the driving motor 2 drives the reel 3 to rotate through the linkage assembly 13, so that the steel wire rope starts to extend; meanwhile, the driving motor 2 drives the first rotating shaft 12 to rotate through the second rotating shaft 17 and the transmission assembly, the first rotating shaft 2 rotates and drives the lifting assembly, and the lifting assembly drives the steering wheel 7 to ascend. In the process of the ascending of the steering wheel 7, the extended steel wire rope is driven to ascend, when the steering wheel 7 ascends to a preset height, the driving motor 2 stops, and the transmission box 14 is driven by the moving assembly to be far away from the second rotating shaft 17, so that the transmission assembly is separated from the first rotating shaft 12 and the second rotating shaft 17. At this time, one end of the steel wire rope is connected with the heavy object, and then the driving motor 2 is started, so that the purpose of lifting the heavy object can be achieved. When the lifting assembly needs to be driven to descend, the transmission case 14 is moved to a preset position through the moving assembly, and the driving motor 2 is controlled to rotate in the direction.

In a traditional winch, the winch is often required to be arranged at a high position to lift a heavy object, and due to the uncertainty of the construction environment, the situation that the winch cannot be arranged at the high position exists, but the existing winch cannot lift the heavy object at a low position, so that the construction efficiency and the construction period of the project can be influenced. The utility model discloses an among this embodiment, drive the mode that directive wheel 7 rose through transmission assembly cooperation lifting unit, can realize that this hoist engine lifts by crane the purpose of heavy object in the low department, and then improved the efficiency of construction of this hoist engine, and make this hoist engine can be applicable to different construction places.

In the embodiment of the present invention, as shown in fig. 3, the transmission assembly may include a fixed cylinder 19, a first bevel gear 18, a third rotating shaft 22, a second bevel gear 21, a third bevel gear 23, and a fourth bevel gear 29.

The fixed cylinder 19 is rotatably arranged on the inner wall of the transmission case 14, and the open end of the fixed cylinder 19 faces the other end of the second rotating shaft 17 and is used for fixing the second rotating shaft 17; the first bevel gear 18 is fixedly sleeved on the outer side of the fixed cylinder 19; one end of the third rotating shaft 22 is rotatably connected with the bottom of the inner side of the transmission case 14, and the other end of the third rotating shaft 22 extends to the lower part of the fixed cylinder 19; the second bevel gear 21 is arranged at the other end of the third rotating shaft 22 and meshed with the first bevel gear 18; the third bevel gear 23 is fixedly sleeved outside the third rotating shaft 22; a fourth bevel gear 29 is arranged at the other end of the first rotary shaft 12, the fourth bevel gear 29 being adapted for meshing engagement with the third bevel gear 23.

When the moving component drives the transmission case 14 to move to the preset position, the fixed cylinder 19 is sleeved on the outer side of the other end of the second rotating shaft 17 and fixes the second rotating shaft 17, and meanwhile, the fourth bevel gear 29 is meshed with the third bevel gear 23. When the driving motor 2 rotates, the second rotating shaft 17 is driven to rotate, the second rotating shaft 17 drives the fixed cylinder 19 and the first bevel gear 18 to rotate, and the first bevel gear 18 drives the third rotating shaft 22 and the third bevel gear 23 to rotate through the second bevel gear 21. When the third bevel gear 23 rotates, the fourth bevel gear 29 drives the first rotating shaft 12 to rotate, and the first rotating shaft 12 drives the lifting assembly and the steering wheel 7 to ascend, so that the subsequent hoisting machine can be conveniently used for hoisting heavy objects.

In the embodiment of the present invention, as shown in fig. 3, the fixing cylinder 19 may further include a limiting sleeve plate 20. Specifically, a stop collar plate 20 is disposed inside the fixed cylinder 19, and the stop collar plate 20 is used for cooperating with the second rotating shaft 17 to fix the second rotating shaft 17. Specifically, the inner diameter of the retainer plate 20 is gradually decreased.

When the fixed cylinder 19 is close to the second rotating shaft 17, the second rotating shaft 17 enters along the opening of the fixed cylinder 19 and gradually approaches the limit sleeve plate 20, and when the second rotating shaft 17 enters the inside of the limit sleeve plate 20, the second rotating shaft abuts against the inner wall of the limit sleeve plate 20, so that the purpose of fixing the second rotating shaft 17 is achieved.

In this embodiment of the present invention, the specific structure for the moving assembly may be various forms known to those skilled in the art, such as a hydraulic cylinder, a transmission chain, etc. However, in a preferred form of the invention, the particular structure of the moving assembly may be as shown in fig. 3, in view of the stability and accuracy of the movement of the gear box 14. Specifically, in fig. 3, the moving assembly may include a cavity 24, a moving opening 16, a moving block 27, a first screw 25, and a first threaded ring 26.

The cavity 24 is arranged inside the base 1; the moving opening 16 is arranged at the top of the base 1 and is communicated with the cavity 24; the moving block 27 penetrates through the moving opening 16, and one end of the moving block 27 is connected with the bottom of the transmission case 14; the first screw 25 is rotatably arranged inside the cavity 24, and one end of the first screw 25 extends to the outside of the base 1; the first threaded ring 26 is sleeved outside the first screw rod 25 in a threaded manner, and the other end of the moving block 27 is connected with the first threaded ring 26.

When the transmission case 14 needs to be moved, a worker on the site manually rotates one end of the first screw 25, so that the first threaded ring 26 drives the moving block 27 to move along the moving opening 16, and in addition, the moving block 27 synchronously drives the transmission case 14 to be close to or far away from the second rotating shaft 17. By manually rotating the first screw 25, the worker can control the moving distance of the transmission case 14 conveniently.

In this embodiment of the present invention, as shown in fig. 3, the lifting device may further include a crank handle 15. Specifically, the hand crank 15 is provided at one end of the first screw 25. Specifically, this crank 15 adopts the human functional design, can be convenient for the staff operation.

In this embodiment of the present invention, as shown in fig. 1, the lifting device may further include a wire loop 8. In particular, the wire loop 8 is arranged on top of the base 1.

After one end of the steel wire rope is sleeved on the outer side of the steering wheel 7, one end of the steel wire rope is tied to the wire ring 8, so that the reel 3, the steering wheel 7 and the wire ring 8 form a stable transmission structure, and the steel wire rope can be stably extended in the subsequent lifting process of the steering wheel 7. When the steering wheel 7 rises to a preset height, one end of the steel wire rope is detached from the wire ring 8 and connected with a heavy object, so that the operation of hoisting the heavy object can be performed, and the construction is more efficient and convenient.

In the embodiment of the present invention, as shown in fig. 1, 2 and 4, the lifting assembly may include a second screw rod 10, a baffle plate 9, a second screw ring 11, two lifting frames and a driving rod 5.

One end of the second screw 10 is connected with one end of the first rotating shaft 12; the baffle 9 is arranged at the top of the base 1, and the other end of the second screw 10 is rotatably connected with the baffle 9; the second threaded ring 11 is sleeved outside the second screw rod 10 in a threaded manner; the two lifting frames are oppositely arranged, and the tops of the two lifting frames are respectively hinged with the two ends of a steering wheel 7 through rotating rods 6; one end of the driving rod 5 is connected with the second threaded ring 11, and the other end of the driving rod 5 is connected with the two lifting frames and used for driving the two lifting frames to synchronously lift or descend.

When the first rotating shaft 12 rotates, the second screw 10 is driven to rotate, the second screw 10 drives the second threaded ring 11 and the driving rod 5 to move along the extending direction of the second screw 10, and then the two lifting frames are driven to synchronously ascend or descend. The two lifting frames can be lifted or lowered synchronously, so that the stability of the steering wheel 7 in the lifting or lowering process can be guaranteed.

In this embodiment of the present invention, as shown in fig. 2 and 4, the crane may include two transverse plates 4, two sliding rods 31, two sliding sleeves 32, and a plurality of connecting rods 30.

The two transverse plates 4 are distributed up and down, the transverse plate 4 positioned above is connected with the rotating rod 6, and the transverse plate 4 positioned below is connected with the base 1; the two slide bars 31 are respectively arranged at one side opposite to the two transverse plates 4; the two sliding sleeves 32 are respectively sleeved on the outer sides of the two sliding rods 31 in a sliding manner; the plurality of connecting rods 30 are hinged in a cross mode, two connecting rods 30 at each end are hinged with the corresponding sliding sleeves 32 and the transverse plate 4 respectively, and the driving rod 5 is connected with the sliding sleeves (32) located at the bottom.

When the driving rod 5 moves along the extending direction of the second screw 10, the sliding sleeves 32 below the two lifting frames are driven to synchronously slide along the corresponding sliding rods 31. When the two sliding sleeves 32 slide synchronously, the plurality of connecting rods 30 are driven to push and rotate with each other, so that the transverse plate 4 positioned above is lifted, and the purpose of adjusting the height of the steering wheel 7 can be achieved. Adopt a plurality of connecting rods 30 structure that the rotation risees the decline each other, can reduce the whole volume of crane to accomodate the storage of this hoist engine.

On the other hand, the utility model discloses still provide a hoist engine, this hoist engine can be as shown in fig. 1 and fig. 2. Specifically, in fig. 1 and 2, the hoist may include a base 1, a driving motor 2, a reel 3, a linkage assembly 13, and a lifting device. Specifically, driving motor 2 sets up at the top of base 1, and reel 3 sets up at the top of base 1, and linkage assembly 13 is connected with driving motor 2 and reel 3 for cooperate in order to drive reel 3 and rotate with driving motor 2. Specifically, the hoisting device may include a steering wheel 7, a lifting assembly, a first rotating shaft 12, a second rotating shaft 17, a transmission case 14, a transmission assembly, and a moving assembly. Specifically, the gear box 14 may include a square aperture 28.

The steering wheel 7 is arranged above the base 1 and used for changing the steering direction of the steel wire rope; the lifting assembly is arranged between the base 1 and the steering wheel 7 and is used for driving the steering wheel 7 to lift; one end of the first rotating shaft 12 is connected with the lifting assembly and is used for rotating to drive the lifting assembly to start; one end of the second rotating shaft 17 is connected with the driving motor 2; the transmission case 14 is arranged at the top of the base 1, the other end of the transmission case 14 facing the second rotating shaft 17 is arranged in an open manner, and the second rotating shaft 17 extends to the inside of the transmission case 14 along the open manner; a square hole 28 is formed in one side of the transmission case 14 close to the first rotating shaft 12, and the other end of the first rotating shaft 12 penetrates through the square hole 28 and extends into the transmission case 14; the transmission assembly is arranged inside the transmission case 14 and is used for matching with the first rotating shaft 12 and the second rotating shaft 17 to drive the second rotating shaft 17 to rotate; the moving component and the transmission case 14 are used for driving the transmission case 14 to approach or depart from the second rotating shaft 17.

When the heavy object needs to be lifted, one end of the steel wire rope is wound along the steering wheel 7, then the moving assembly is driven to start, and the moving assembly drives the transmission case 14 to be gradually close to the other end of the second rotating shaft 17 until the preset position is reached. At this time, the transmission assembly is respectively connected with the first rotating shaft 12 and the second rotating shaft 17 and forms a transmission structure in a matching way. After the transmission structure is formed, the driving motor 2 is started, and the driving motor 2 drives the reel 3 to rotate through the linkage assembly 13, so that the steel wire rope starts to extend; meanwhile, the driving motor 2 drives the first rotating shaft 12 to rotate through the second rotating shaft 17 and the transmission assembly, the first rotating shaft 2 rotates and drives the lifting assembly, and the lifting assembly drives the steering wheel 7 to ascend. In the process of the ascending of the steering wheel 7, the extended steel wire rope is driven to ascend, when the steering wheel 7 ascends to a preset height, the driving motor 2 stops, and the transmission box 14 is driven by the moving assembly to be far away from the second rotating shaft 17, so that the transmission assembly is separated from the first rotating shaft 12 and the second rotating shaft 17. At this time, one end of the steel wire rope is connected with the heavy object, and then the driving motor 2 is started, so that the purpose of hoisting the heavy object can be achieved. When the lifting assembly needs to be driven to descend, the transmission case 14 is moved to a preset position through the moving assembly, and the driving motor 2 is controlled to rotate in the direction.

In this embodiment of the present invention, the linkage assembly 13 may include a plurality of intermeshing gear shafts. When the driving motor 2 is started, the plurality of mutually meshed gear shafts drive the reel 3 to rotate so as to realize the purpose of hoisting heavy objects.

Through the technical scheme, when the winch and the hoisting device thereof hoist heavy objects at a low position, the steel wire rope is firstly wound along the steering wheel 7, and then the transmission box 14 is moved by the moving assembly and is close to the second rotating shaft 17, so that the transmission assembly is in matched transmission with the first rotating shaft 12 and the second rotating shaft 17; the driving motor 2 is started to drive the first rotating shaft 12 and the second rotating shaft 17 to rotate, so that the lifting assembly rises, the steel wire rope extends synchronously, when the lifting assembly rises to a preset height, a heavy object can be lifted through the steel wire rope, the construction efficiency of the winch is improved, and the winch can be suitable for different construction places.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (9)

1. A hoisting device of a hoist, comprising:

the steering wheel (7) is arranged above the base (1) and used for changing the steering direction of the steel wire rope;

the lifting assembly is arranged between the base (1) and the steering wheel (7) and is used for driving the steering wheel (7) to lift;

one end of the first rotating shaft (12) is connected with the lifting component and is used for rotating to drive the lifting component to start;

one end of the second rotating shaft (17) is connected with the driving motor (2);

the transmission case (14) is arranged at the top of the base (1), the other end, facing the second rotating shaft (17), of the transmission case (14) is arranged in an open manner, and the other end of the second rotating shaft (17) extends to the inside of the transmission case (14) along the open manner; a square hole (28) is formed in one side, close to the first rotating shaft (12), of the transmission case (14), and the other end of the first rotating shaft (12) penetrates through the square hole (28) and extends into the transmission case (14);

the transmission assembly is arranged inside the transmission box (14) and is used for being matched with the first rotating shaft (12) and the second rotating shaft (17) to drive the second rotating shaft (17) to rotate;

and the moving assembly is connected with the transmission case (14) and is used for driving the transmission case (14) to be close to or far away from the second rotating shaft (17).

2. The lift system of claim 1, wherein the drive assembly comprises:

the fixed cylinder (19) is rotatably arranged on the inner wall of the transmission case (14), and the open end of the fixed cylinder (19) faces the other end of the second rotating shaft (17) and is used for fixing the second rotating shaft (17);

the first bevel gear (18) is fixedly sleeved on the outer side of the fixed cylinder (19);

one end of the third rotating shaft (22) is rotatably connected with the bottom of the inner side of the transmission case (14), and the other end of the third rotating shaft (22) extends to the lower part of the fixed cylinder (19);

a second bevel gear (21) provided at the other end of the third rotating shaft (22) and engaged with the first bevel gear (18);

the third bevel gear (23) is fixedly sleeved on the outer side of the third rotating shaft (22);

and the fourth bevel gear (29) is arranged at the other end of the first rotating shaft (12), and the fourth bevel gear (29) is used for being in meshed connection with the third bevel gear (23).

3. The hoisting device according to claim 2, characterized in that a position limiting sleeve plate (20) is arranged inside the fixed cylinder (19), and the position limiting sleeve plate (20) is used for being matched with the second rotating shaft (17) to fix the second rotating shaft (17).

4. The lift system of claim 1, wherein the movement assembly comprises:

a cavity (24) which is arranged inside the base (1);

a mobile opening (16) which is arranged at the top of the base (1) and is communicated with the cavity (24);

a moving block (27) penetrating through the moving opening (16), wherein one end of the moving block is connected with the bottom of the transmission case (14);

the first screw rod (25) is rotatably arranged inside the cavity (24), and one end of the first screw rod (25) extends to the outside of the base (1);

the first threaded ring (26) is sleeved outside the first screw rod (25) in a threaded manner, and the other end of the moving block (27) is connected with the first threaded ring (26).

5. Hoisting device according to claim 4, characterized in that one end of the first screw (25) is provided with a hand crank (15).

6. Hoisting device as claimed in claim 1, characterized in that the top of the base (1) is provided with a wire loop (8).

7. The lift device of claim 1, wherein the lift assembly comprises:

one end of the second screw (10) is connected with one end of the first rotating shaft (12);

the baffle (9) is arranged at the top of the base (1), and the other end of the second screw (10) is rotatably connected with the baffle (9);

the second threaded ring (11) is sleeved outside the second screw rod (10) in a threaded manner;

the two lifting frames are oppositely arranged, and the tops of the two lifting frames are respectively hinged with the two ends of the steering wheel (7) through rotating rods (6);

one end of the driving rod (5) is connected with the second threaded ring (11), and the other end of the driving rod (5) is connected with the two lifting frames and used for driving the two lifting frames to synchronously lift or descend.

8. The hoisting device of claim 7, wherein the crane comprises:

the two transverse plates (4) are distributed up and down, the transverse plate (4) positioned above is connected with the rotating rod (6), and the transverse plate (4) positioned below is connected with the base (1);

the two sliding rods (31) are respectively arranged on one side opposite to the two transverse plates (4);

the two sliding sleeves (32) are respectively sleeved on the outer sides of the two sliding rods (31) in a sliding manner;

a plurality of connecting rods (30), it is a plurality of connecting rod (30) intercrossing is articulated, two at every end connecting rod (30) respectively with correspond sliding sleeve (32) with diaphragm (4) are articulated, actuating lever (5) with be located the bottom sliding sleeve (32) are connected.

9. A hoist engine, comprising:

a base (1);

the driving motor (2) is arranged at the top of the base (1);

a reel (3) provided on the top of the base (1);

the linkage assembly (13) is connected with the driving motor (2) and the reel (3) and is used for being matched with the driving motor (2) to drive the reel (3) to rotate;

a lifting device as claimed in any one of claims 1 to 8.

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