Lifting device

Abstract

The utility model provides a lifting device. The lifting device comprises a moving seat, the moving seat comprises a first moving split body and a second moving split body which are connected, a first moving part is arranged on the side, facing the second moving split body, of the first moving split body, and a second moving part is arranged on the side, facing the first moving split body, of the second moving split body; or one side, deviating from the second moving split body, of the first moving split body is provided with a first moving part, and one side, deviating from the first moving split body, of the second moving split body is provided with a second moving part; the first moving part and the second moving part are both configured to be movably arranged relative to the lifting frame; the hoisting structure is mounted on the moving seat, and the hoisting structure is used for hoisting a to-be-hoisted part; and the driving mechanism is mounted on the first moving split body and is in driving connection with the first moving part so as to drive the first moving split body to move relative to the lifting frame. According to the technical scheme, the lifting device can solve the problem that time and labor are wasted when existing plant equipment is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, specifically, relate to a hoist. BACKGROUND

[0002] In the factory, the universal existence of large equipment and machine is the cornerstone of production activities, in order to ensure production safety and efficiency, the regular disassembly maintenance and cleaning deposit of these equipment become indispensable link. However, large equipment because of its mass and volume is huge, maintenance work has brought significant challenge, traditional hoisting equipment often fail to perform such arduous task, and large professional hoisting equipment can be competent, but before use, it still needs to carry out complex coordination operation, leading to equipment maintenance time-consuming and laborious. CONTENT OF UTILITY MODEL

[0003] The utility model mainly aims at providing a hoist, which can solve the problem of time-consuming and laborious equipment maintenance in existing factory.

[0004] In order to realize the above-mentioned purpose, the utility model provides a hoist, which comprises: a mobile seat, the mobile seat comprises a first mobile part and a second mobile part connected, the first mobile part and the second mobile part are arranged along the first direction interval, the side of the first mobile part towards the second mobile part is provided with a first mobile part, and the side of the second mobile part towards the first mobile part is provided with a second mobile part;Or, the side of the first mobile part away from the second mobile part is provided with a first mobile part, and the side of the second mobile part away from the first mobile part is provided with a second mobile part;Wherein, the first mobile part and the second mobile part are all configured to be movably arranged relative to the lifting frame;Lifting structure, installed on the mobile seat, the lifting structure is used for lifting the piece to be lifted;Driving mechanism, installed on the first mobile part, and driving connection with the first mobile part, to drive the first mobile part to move relative to the lifting frame.

[0005] Further, the first mobile part comprises a driving wheel, the second mobile part comprises a driven wheel, the central axis of the driving wheel and the central axis of the driven wheel are collinear or parallel.

[0006] Further, the first mobile part further comprises a first gear, the driving wheel is connected with the first gear, the central axis of the driving wheel and the central axis of the first gear are collinear, the driving mechanism comprises a driving part and a transmission part, the driving part is rotatably arranged relative to the first mobile part, the driving part and the first end of the transmission part are drivingly matched, and the second end of the transmission part is engaged with the first gear.

[0007] Further, the driving part comprises a second gear wheel, the second gear wheel is installed on the side of the first moving part away from the second moving part and can rotate relative to the first moving part, the transmission part comprises a rotating shaft, a third gear wheel and a fourth gear wheel, the rotating shaft is arranged on the first moving part, the third gear wheel and the fourth gear wheel are respectively installed on the opposite ends of the rotating shaft, the second gear wheel is engaged with the third gear wheel, and the fourth gear wheel is engaged with the first gear wheel.

[0008] Further, the driving part comprises a chain and a chain wheel, the chain wheel is installed on the side of the first moving part away from the second moving part and can rotate relative to the first moving part, part of the chain is engaged with the chain wheel, the transmission part comprises a rotating shaft, a third gear wheel and a fourth gear wheel, the rotating shaft is arranged on the first moving part, the third gear wheel and the fourth gear wheel are respectively installed on the opposite ends of the rotating shaft, the chain wheel is engaged with the third gear wheel, and the fourth gear wheel is engaged with the first gear wheel.

[0009] Further, the driving part further comprises a first fixed rod and a first bearing, the first fixed rod is fixedly connected with the first moving part, and the first bearing is sleeved on the first fixed rod, and the chain wheel is sleeved on the first bearing.

[0010] Further, the hoisting device further comprises a mounting box, the mounting box is installed on the side of the first moving part away from the second moving part, part of the driving part is located in the inner cavity of the mounting box, and part of the transmission part is located in the inner cavity of the mounting box.

[0011] Further, the hoisting structure comprises a lifting rod and a lifting ring, one end of the lifting rod is connected with the first moving part, the other end of the lifting rod is connected with the second moving part, and the lifting ring is installed on the lifting rod.

[0012] Further, the hoisting device further comprises a connecting assembly, the first moving part is connected with the second moving part through the connecting assembly.

[0013] Further, the connecting assembly comprises a screw rod and two locking nuts, one end of the screw rod is arranged in the first moving part, the other end of the screw rod is arranged in the second moving part, one of the two locking nuts is sleeved on the one end of the screw rod and located on the side of the first moving part away from the second moving part, and the other of the two locking nuts is sleeved on the other end of the screw rod and located on the side of the second moving part away from the first moving part.

[0014] The technical scheme of the utility model discloses drive mechanism and first mobile part drive connection and can drive first mobile part relative to hoist frame movement, because first mobile part and second mobile part are connected, therefore, second mobile part can be driven under the first mobile part relative to hoist frame movement, realize the movement of mobile seat relative to hoist frame, further realize the transfer of the piece to be hoisted (the plant equipment to be maintained), the lifting device of the application through the common cooperation of drive mechanism, hoist structure and mobile seat, can realize the transfer of the piece to be hoisted, and the overall structure is relatively simple, does not need complex coordination operation, simultaneously, the whole movement does not need additional manpower or equipment to move the whole lifting device, can reduce the physical consumption and time cost of operating personnel, further can improve the maintenance efficiency of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings constituting a part of the utility model illustrate the utility model further, and the illustrative embodiment and the explanation thereof of the utility model are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0016] In the drawings:

[0017] Figure 1 The structure schematic view of one angle of the lifting device of the embodiment of the utility model is shown.

[0018] Figure 2 The perspective view of the lifting device of the embodiment of the utility model is shown.

[0019] Figure 3 The top view of the lifting device is shown. Figure 1

[0020] Figure 4 The partial structure schematic view of the drive mechanism of the embodiment of the utility model is shown.

[0021] Among them, the above-mentioned drawing includes the following figure mark:

[0022] ​10, mobile seat; 11, first mobile part; 111, first mobile part; 1111, first gear; 1112, second fixed rod; 1113, second bearing; 1114, driving wheel; 12, second mobile part; 121, second mobile part; 1211, driven wheel; 1212, third fixed rod; 1213, third bearing; 20, lifting structure; 21, lifting rod; 22, lifting ring; 30, driving mechanism; 31, driving part; 311, chain; 312, sprocket; 313, first fixed rod; 314, first bearing; 32, transmission part; 321, rotating shaft; 322, third gear; 323, fourth gear; 324, fourth bearing; 325, fifth bearing; 40, I-beam; 50, mounting box; 60, connecting assembly; 61, screw rod; 62, locking nut; 70, locking piece. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0024] In combination with the drawings, Figures 1 to 4 The present application provides a lifting device, which comprises: a mobile seat 10, the mobile seat 10 comprises a first mobile part 11 and a second mobile part 12 connected with each other, the first mobile part 11 and the second mobile part 12 are arranged at intervals along a first direction, the first mobile part 11 is provided with a first mobile part 111 on a side facing the second mobile part 12, and the second mobile part 12 is provided with a second mobile part 121 on a side facing the first mobile part 11; or, the first mobile part 11 is provided with a first mobile part 111 on a side away from the second mobile part 12, and the second mobile part 12 is provided with a second mobile part 121 on a side away from the first mobile part 11; wherein the first mobile part 111 and the second mobile part 121 are both movably arranged relative to a lifting frame; a lifting structure 20 installed on the mobile seat 10, the lifting structure is used for lifting a piece to be lifted; and a driving mechanism 30 installed on the first mobile part 11 and drivingly connected with the first mobile part 111, so as to drive the first mobile part 11 to move relative to the lifting frame.

[0025] In the embodiment, the first mobile part 11 is provided with the first moving part 111 on the side facing the second mobile part 12, and the second mobile part 12 is provided with the second moving part 121 on the side facing the first mobile part 11, that is, the moving parts are arranged on the sides facing each other, or the first mobile part 11 is provided with the first moving part 111 on the side facing the second mobile part 12, and the second mobile part 12 is provided with the second moving part 121 on the side facing the first mobile part 11, that is, the moving parts are arranged on the sides away from each other. The driving mechanism is drivingly connected with the first moving part 111 and can drive the first mobile part 11 to move relative to the lifting frame. Since the first mobile part 11 is connected with the second mobile part 12, the second moving part 121 can be driven by the first mobile part 11 to move relative to the lifting frame, so as to realize the movement of the moving seat 10 relative to the lifting frame, and further realize the transfer of the hoisted piece (the plant equipment to be maintained). As known from the above, the hoisting device can realize the transfer of the hoisted piece through the cooperation of the driving mechanism 30, the lifting structure 20 and the moving seat 10, and has a relatively simple overall structure, without the need for complex coordination operations. Meanwhile, the entire moving process does not need additional manpower or equipment to move the entire hoisting device, so as to reduce the physical consumption and time cost of the operator, and further improve the maintenance efficiency of the equipment.

[0026] In one embodiment, the lifting frame is an I-shaped steel 40, the first mobile part 11 is provided with the first moving part 111 on the side facing the second mobile part 12, and the second mobile part 12 is provided with the second moving part 121 on the side facing the first mobile part 11, and the first moving part 111 and the second moving part 121 are respectively located on opposite sides of the I-shaped steel 40 and can move relative to the I-shaped steel 40.

[0027] For reference Figures 1 to 4 As shown in the drawings, in one embodiment of the utility model, the first moving part 111 includes a driving wheel 1114, and the second moving part 121 includes a driven wheel 1211, and the central axis of the driving wheel 1114 is collinear or parallel with the central axis of the driven wheel 1211.

[0028] In the embodiment, the driving wheel 1114 is movable relative to the lifting frame under the direct driving of the driving mechanism 30, and the driven wheel 1211 is movable relative to the lifting frame under the indirect driving of the driving mechanism 30. The driving wheel 1114 is provided with rolling friction with the contact surface of the lifting frame, and the friction force enables the driving wheel 1114 to move along the lifting frame. The contact point of the driving wheel 1114 with the lifting frame supports part of the weight of the hoisting device and the weight of the hoisted object, and the rolling reduces the friction and abrasion, improves the service life and overall efficiency of the device. The driven wheel 1211 is also in contact with the lifting frame and serves as auxiliary support, and shares the weight of the hoisting device and the hoisted object with the driving wheel 1114. Since the central axes of the driving wheel 1114 and the driven wheel 1211 are collinear or parallel, the stability of the hoisting device is ensured, and the device can remain balanced even when hoisting the hoisted object, avoiding tilting or shaking.

[0029] With reference to Figures 1 to 4 In an embodiment of the utility model, the first moving part 111 further includes a first gear 1111, the driving wheel 1114 is connected with the first gear 1111, the central axis of the driving wheel 1114 is collinear with the central axis of the first gear 1111, the driving mechanism 30 includes a driving part 31 and a transmission part 32, the driving part 31 is rotatably arranged relative to the first moving part 11, the driving part 31 is drivingly matched with the first end of the transmission part 32, and the second end of the transmission part 32 is engaged with the first gear 1111.

[0030] In the embodiment, the driving part 31 is drivingly matched with the first end of the transmission part 32 to drive the transmission part 32 to rotate around the rotation shaft 321 thereof, since the second end of the transmission part 32 is engaged with the first gear 1111, the rotation of the transmission part 32 can drive the first gear 1111 engaged therewith to rotate, the first gear 1111 drives the driving wheel 1114 connected therewith to rotate, and the movement of the first moving part 11 relative to the lifting frame is realized.

[0031] With reference to Figures 1 to 4 In an embodiment of the utility model, the driving part 31 includes a second gear, the second gear is installed on the side of the first moving part 11 away from the second moving part 12 and is rotatable relative to the first moving part 11, the transmission part 32 includes a rotation shaft 321, a third gear 322 and a fourth gear 323, the rotation shaft 321 is arranged through the first moving part 11, the third gear 322 and the fourth gear 323 are respectively installed on the opposite ends of the rotation shaft 321, the second gear is engaged with the third gear 322, and the fourth gear 323 is engaged with the first gear 1111.

[0032] In the embodiment, the second gear drives the third gear 322 to rotate, the third gear 322 drives the rotating shaft 321 to rotate, the rotating shaft 321 drives the fourth gear 323 to rotate, the fourth gear 323 is engaged with the first gear 1111, thus the fourth gear 323 drives the first gear 1111 to rotate, the first gear 1111 is connected with the driving wheel 1114, thus the first gear 1111 drives the driving wheel 1114 to rotate, the rotating movement of the driving wheel 1114 is converted into the linear movement along the lifting frame through the contact between the driving wheel 1114 and the lifting frame (such as the I-shaped steel 40), the driving wheel 1114 rolls on the lifting frame, so that the first moving part 11 can move relative to the lifting frame, the first moving part 11 is connected with the second moving part 12, thus the driven wheel 1211 moves relative to the lifting frame, so that the whole lifting device can move relative to the lifting frame, thereby achieving the purpose of transporting the to-be-lifted piece.

[0033] In one embodiment, the driving part 31 further comprises a motor, the motor is drivingly connected with the second gear to drive the second gear to rotate.

[0034] With reference to Figures 1 to 4 In one embodiment of the utility model, the driving part 31 comprises a chain 311 and a sprocket 312, the sprocket 312 is installed on the side of the first moving part 11 away from the second moving part 12 and can rotate relative to the first moving part 11, part of the chain 311 is engaged with the sprocket 312, the transmission part 32 comprises a rotating shaft 321, a third gear 322 and a fourth gear 323, the rotating shaft 321 is arranged on the first moving part 11, the third gear 322 and the fourth gear 323 are respectively installed on the opposite ends of the rotating shaft 321, the sprocket 312 is engaged with the third gear 322, and the fourth gear 323 is engaged with the first gear 1111.

[0035] In the embodiment, the two ends of the chain 311 are separated from the chain wheel 312, and in use, first, the weight (to-be-lifted member) to be moved is fixed on the lifting ring 22 through a rope, one end of the chain 311 is pulled by hand, the chain 311 drives the chain wheel 312 engaged with the chain 311 to rotate, the chain wheel 312 drives the third gear 322 engaged with the chain wheel 312 to rotate, the third gear 322 drives the rotating shaft 321 to rotate, the rotating shaft 321 drives the fourth gear 323 to rotate, the fourth gear 323 drives the first gear 1111 engaged with the fourth gear 323 to rotate, the first gear 1111 is connected with the driving wheel 1114, and the driving wheel 1114 is driven to rotate, the rotating movement of the driving wheel 1114 is converted into linear movement along the lifting frame through the contact between the driving wheel 1114 and the lifting frame (such as the I-shaped steel 40), the driving wheel 1114 rolls on the lifting frame, the first moving part 11 can move relative to the lifting frame, the first moving part 11 is connected with the second moving part 12, the driven wheel 1211 is driven to move relative to the lifting frame, and the weight on the lifting ring 22 moves along with the lifting ring 22, so that the weight on the lifting ring 22 moves along with the lifting ring 22, so that the difficulty of maintenance is reduced, time and labor are saved, and the safety hidden danger is eliminated.

[0036] Referring to Figures 1 to 4 In an embodiment of the utility model, the driving part 31 further includes a first fixed rod 313 and a first bearing 314, the first fixed rod 313 is fixedly connected with the first moving part 11, and the first bearing 314 is sleeved on the first fixed rod 313, and the chain wheel 312 is sleeved on the first bearing 314.

[0037] Through the above-mentioned setting, the installation of the chain wheel 312 can be realized, and the chain wheel 312 can rotate relative to the first fixed rod 313.

[0038] Referring to Figures 1 to 4 In an embodiment of the utility model, the lifting device further includes a mounting box 50, the mounting box 50 is installed on the side, away from the second moving part 12, of the first moving part 11, part of the driving part 31 is located in the inner cavity of the mounting box 50, and part of the transmission part 32 is located in the inner cavity of the mounting box 50.

[0039] In the embodiment, part of the driving part 31 and part of the transmission part 32 are located in the inner cavity of the mounting box 50, so that the mounting box 50 can provide physical protection for the driving part 31 and the transmission part 32 located in the inner cavity, protect them from the influence of the external environment (such as dust, water, oil stains and the like), and then the service life of the driving part 31 and the transmission part 32 can be prolonged, and the maintenance frequency can be reduced.

[0040] With reference to Figures 1 to 4 As shown in the drawings, in one embodiment of the utility model, the side wall of the mounting box 50 is provided with two openings in communication with the inner cavity thereof, the two openings are arranged at intervals along the circumference of the mounting box 50, and the two ends of the chain 311 respectively extend out of the mounting box 50 through the two openings.

[0041] With reference to Figures 1 to 4 As shown in the drawings, in one embodiment of the utility model, the hoisting structure 20 comprises a boom 21 and a lifting ring 22, one end of the boom 21 is connected with the first mobile part 11, the other end of the boom 21 is connected with the second mobile part 12, and the lifting ring 22 is mounted on the boom 21.

[0042] In the embodiment, the boom 21 is connected between the first mobile part 11 and the second mobile part 12, on the one hand, the weight of the hoisted part can be evenly distributed, the stability and safety of hoisting are improved, on the other hand, the connection between the first mobile part 11 and the second mobile part 12 is strengthened, and the structural stability of the mobile seat 10 is improved.

[0043] In one embodiment of the utility model, the hoisting device further comprises a connecting assembly 60, and the first mobile part 11 is connected with the second mobile part 12 through the connecting assembly 60.

[0044] Through the above arrangement, the fixed connection of the first mobile part 11 and the second mobile part 12 can be realized.

[0045] With reference to Figures 1 to 4 As shown in the drawings, in one embodiment of the utility model, the connecting assembly 60 comprises a screw rod 61 and two locking nuts 62, one end of the screw rod 61 is arranged in the first mobile part 11, the other end of the screw rod 61 is arranged in the second mobile part 12, one of the two locking nuts 62 is sleeved on one end of the screw rod 61 and located on the side of the first mobile part 11 away from the second mobile part 12, and the other of the two locking nuts 62 is sleeved on the other end of the screw rod 61 and located on the side of the second mobile part 12 away from the first mobile part 11.

[0046] In the embodiment, the lifting frame is an I-shaped steel 40, the I-shaped steel 40 is located between the first moving part 11 and the second moving part 12, the first moving part 11 is provided with a first moving part 111 on one side of the first moving part 11 facing the second moving part 12, the second moving part 12 is provided with a second moving part 121 on one side of the second moving part 12 facing the first moving part 11, along the first direction, the first moving part 111 and the second moving part 121 are located on opposite sides of the I-shaped steel 40 respectively, and the I-shaped steel 40 can form a stop position for the first moving part 111 and the second moving part 121, two locking nuts 62 are located on the sides of the first moving part 11 and the second moving part 12 away from each other, the locking nuts 62 are in threaded connection with the screw rod 61, through the cooperation of the first moving part 111, the second moving part 121 and the two locking nuts 62 with the screw rod 61, the connection of the first moving part 11 and the second moving part 12 can be realized, and the relative position between the first moving part 11 and the second moving part 12 can be ensured. In addition, by using the lifting device of the application, only the I-shaped steel 40 needs to be installed to adapt to the working environment of the factory building, which not only reduces the difficulty of maintenance, saves time and labor, but also eliminates the safety hidden danger.

[0047] With reference to Figures 1 to 4 In an embodiment of the utility model, the first moving part 111 further includes a second fixed rod 1112 and a second bearing 1113, the second fixed rod 1112 is fixedly connected with the first moving part 11, the second bearing 1113 is sleeved on the second fixed rod 1112, and the first gear 1111 and the driving wheel 1114 are both sleeved on the second bearing 1113.

[0048] Through the above arrangement, the installation of the first gear 1111 and the driving wheel 1114 can be realized, and the first gear 1111 and the driving wheel 1114 can rotate relative to the second fixed rod 1112.

[0049] With reference to Figures 1 to 4 In an embodiment of the utility model, the second moving part 121 further includes a third fixed rod 1212 and a third bearing 1213, the third fixed rod 1212 is fixedly connected with the second moving part 12, the third bearing 1213 is sleeved on the third fixed rod 1212, and the driven wheel 1211 is sleeved on the third bearing 1213.

[0050] Through the above arrangement, the installation of the driven wheel 1211 can be realized, and the driven wheel 1211 can rotate relative to the third fixed rod 1212.

[0051] With reference to Figures 1 to 4As shown in the embodiment of the utility model, the transmission part 32 further comprises a fourth bearing 324 and a fifth bearing 325, the fourth bearing 324 and the fifth bearing 325 are respectively sleeved on both ends of the rotating shaft 321, the third gear 322 is sleeved on the fifth bearing 325, and the fourth gear 323 is sleeved on the fourth bearing 324.

[0052] In combination with Figures 1 to 4 Figures 1 to 4 Figures 1 to 4 As shown in the embodiment of the utility model, the lifting device further comprises two locking pieces 70, one end of the boom 21 is arranged in the first moving part 11, the other end of the boom 21 is arranged in the second moving part 12, and the two locking pieces 70 are respectively sleeved on both ends of the boom 21, so that the boom 21, the first moving part 11 and the second moving part 12 are fixedly connected together through the two locking pieces 70.

[0053] Specifically, the locking piece 70 is a nut, and the boom 21 is a screw rod.

[0054] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the driving mechanism is drivingly connected with the first moving part and can drive the first moving part to move relative to the lifting frame, since the first moving part is connected with the second moving part, the second moving part can be driven by the first moving part to move relative to the lifting frame, the movement of the moving seat relative to the lifting frame is realized, and the transfer of the to-be-lifted piece (the to-be-maintained plant equipment) is realized. The lifting device of the present application can realize the transfer of the to-be-lifted piece through the cooperation of the driving mechanism, the lifting structure and the moving seat, the overall structure is relatively simple, complex coordination operations are not required, at the same time, the entire moving process does not require additional manpower or equipment to move the entire lifting device, the physical exertion and time cost of the operator can be reduced, and the maintenance efficiency of the equipment can be improved.

[0055] Obviously, the above-mentioned embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0056] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or their combination.

[0057] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hoisting device, characterized in that The utility model relates to a lifting device, including: A mobile seat (10) includes a first mobile part (11) and a second mobile part (12) connected, the first mobile part (11) and the second mobile part (12) are spaced apart along the first direction, the first mobile part (11) is provided with a first mobile part (111) to the side of the second mobile part (12), the second mobile part (12) is provided with a second mobile part (121) to the side of the first mobile part (11), or, the first mobile part (11) is provided with a first mobile part (111) to the side away from the second mobile part (12), the second mobile part (12) is provided with a second mobile part (121) to the side away from the first mobile part (11); Wherein, the first mobile part (111) and the second mobile part (121) are both configured to be movably arranged relative to the lifting frame; A lifting structure (20) is installed on the mobile seat (10), and the lifting structure (20) is used for lifting a to-be-lifted piece; A driving mechanism (30) is installed on the first mobile part (11) and is drivingly connected with the first mobile part (111) to drive the first mobile part (11) to move relative to the lifting frame.

2. The hoisting device of claim 1, wherein The first mobile part (111) includes a driving wheel (1114), and the second mobile part (121) includes a driven wheel (1211), and the central axis of the driving wheel (1114) is collinear or parallel to the central axis of the driven wheel (1211).

3. The hoisting device of claim 2, wherein, The first mobile part (111) further includes a first gear (1111), the driving wheel (1114) is connected with the first gear (1111), the central axis of the driving wheel (1114) is collinear with the central axis of the first gear (1111), the driving mechanism (30) includes a driving part (31) and a transmission part (32), the driving part (31) is rotatably arranged relative to the first mobile part (11), the driving part (31) is drivingly matched with the first end of the transmission part (32), and the second end of the transmission part (32) is engaged with the first gear (1111).

4. The hoisting device of claim 3, wherein The driving part (31) includes a second gear, the second gear is installed on the side of the first mobile part (11) away from the second mobile part (12) and can rotate relative to the first mobile part (11), the transmission part (32) includes a rotating shaft (321), a third gear (322) and a fourth gear (323), the rotating shaft (321) is arranged on the first mobile part (11), the third gear (322) and the fourth gear (323) are respectively installed on the opposite ends of the rotating shaft (321), the second gear is engaged with the third gear (322), and the fourth gear (323) is engaged with the first gear (1111).

5. The hoisting device of claim 3, wherein The driving part (31) comprises a chain (311) and a sprocket (312), the sprocket (312) is installed on the side of the first moving part (11) away from the second moving part (12) and can rotate relative to the first moving part (11), part of the chain (311) is engaged with the sprocket (312), the transmission part (32) comprises a rotating shaft (321), a third gear (322) and a fourth gear (323), the rotating shaft (321) is arranged on the first moving part (11), the third gear (322) and the fourth gear (323) are respectively installed on the opposite ends of the rotating shaft (321), the sprocket (312) is engaged with the third gear (322), and the fourth gear (323) is engaged with the first gear (1111).

6. The hoisting device of claim 5, wherein, The driving part (31) further comprises a first fixed rod (313) and a first bearing (314), the first fixed rod (313) is fixedly connected with the first moving part (11), and the first bearing (314) is sleeved on the first fixed rod (313), and the sprocket (312) is sleeved on the first bearing (314).

7. A hoisting arrangement according to any one of claims 3 to 6, characterised in that, The hoisting device further comprises a mounting box (50), the mounting box (50) is installed on the side of the first moving part (11) away from the second moving part (12), part of the driving part (31) is located in the inner cavity of the mounting box (50), and part of the transmission part (32) is located in the inner cavity of the mounting box (50).

8. A hoisting arrangement according to any one of claims 1 to 6, characterised in that, The hoisting structure (20) comprises a boom (21) and a lifting ring (22), one end of the boom (21) is connected with the first moving part (11), the other end of the boom (21) is connected with the second moving part (12), and the lifting ring (22) is installed on the boom (21).

9. The hoisting arrangement according to any one of claims 1 to 6, characterized in that The hoisting device further comprises a connecting assembly (60), and the first moving part (11) is connected with the second moving part (12) through the connecting assembly (60).

10. The hoisting device of claim 9, wherein, The connecting assembly (60) comprises a screw rod (61) and two locking nuts (62), one end of the screw rod (61) penetrates the first moving part (11), the other end of the screw rod (61) penetrates the second moving part (12), one of the two locking nuts (62) is sleeved on one end of the screw rod (61) and located on the side of the first moving part (11) away from the second moving part (12), and the other of the two locking nuts (62) is sleeved on the other end of the screw rod (61) and located on the side of the second moving part (12) away from the first moving part (11).

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