A crane double hoist

Abstract

The utility model relates to hoisting equipment technical field discloses a crane double hoisting device, including the connecting frame no.

Description

Technical Field

[0001] This utility model relates to the field of lifting equipment technology, and in particular to a double lifting device for a crane. Background Technology

[0002] Traditional cranes with single lifting devices have significant drawbacks when handling large, heavy loads. Their lifting capacity is limited by a single power source and load-bearing structure, making it difficult to withstand excessive loads. Furthermore, since the load is only applied through a single lifting point, it is highly susceptible to imbalance due to the shift in the center of gravity of the load. This not only limits the operating range but also poses significant safety hazards, making it difficult to meet the requirements for high load-bearing capacity and high stability. Although some existing cranes have adopted double lifting devices, they still have many shortcomings.

[0003] In traditional cable reeling and deployment devices, the disassembly and installation of the take-up plate and related cable structures often rely on complex connecting components, making the operation cumbersome and time-consuming. This results in a significant amount of time being spent on disassembly and reassembly when inspecting and maintaining the cable, severely impacting maintenance efficiency. Furthermore, some devices, in pursuit of connection stability, further exacerbate the difficulty of disassembly, making it difficult to strike a balance between structural stability and ease of operation, causing numerous inconveniences in actual use. The traction structure design of traditional heavy lifting devices is relatively simple, typically using only a single pulley or simple guide components to pull the cable. This can easily lead to accelerated cable wear due to concentrated force, and the stability during traction is poor, making it prone to swaying. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a double lifting device for cranes, which aims to improve the problem of cumbersome disassembly of the detection device in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a double lifting device for a crane, including a connecting frame, a driving mechanism fixedly connected to the outer wall of the connecting frame, the driving mechanism being used to drive the device, and a tensioning mechanism being provided in the middle of the connecting frame, the tensioning mechanism being used to lift heavy objects;

[0006] The driving mechanism includes a fixed frame, the outer wall of which is fixed to the top of the connecting frame one. A motor is fixedly connected to the top of the fixed frame, a fixing component is fixedly connected to the outer wall of the motor, a take-up plate is fixedly connected to the output end of the motor, a rotating plate is fixedly connected to the outer wall of the take-up plate, a closing component is fixedly connected to the outer wall of the rotating plate, a connecting plate one is fixedly connected to the middle of the connecting frame one, and a locking component is fixedly connected to the outer wall of the connecting plate one.

[0007] As a further description of the above technical solution:

[0008] The stretching mechanism includes a second connecting frame, the outer wall of which is disposed within a first connecting plate. A mounting frame is slidably connected to the inner wall of the second connecting frame, and a rotating assembly is rotatably connected to the inner wall of the mounting frame. A fixing plate is fixedly connected to the bottom of the first connecting frame, a base is fixedly connected to the outer wall of the fixing plate, a rotating assembly is fixedly connected to the top of the base, a positioning assembly is fixedly connected to the bottom of the second connecting frame, a connecting strip is fixedly connected to the bottom of the positioning assembly, and a hook line is fixedly connected to the bottom of the connecting strip.

[0009] As a further description of the above technical solution:

[0010] The fixing component includes a housing, the inner wall of which is fixed to the outer wall of the motor, and the outer wall of the housing has heat dissipation holes.

[0011] As a further description of the above technical solution:

[0012] The closing assembly includes a first locking plate, the outer wall of which is fixed to a rotating plate, and a second locking plate is engaged with the outer wall of the first locking plate.

[0013] As a further description of the above technical solution:

[0014] The locking assembly includes a mounting plate, the outer wall of which is fixed to the outer wall of the connecting plate, and the outer wall of the mounting plate is fixedly connected with a locking slot.

[0015] As a further description of the above technical solution:

[0016] The rotating assembly includes a support block, the outer wall of which is fixed to the outer wall of the mounting frame, and a pulley is rotatably connected to the inner wall of the mounting frame.

[0017] As a further description of the above technical solution:

[0018] The positioning component includes a connecting column, the outer wall of which is fixed to the bottom of the connecting frame two, and a board is fixedly connected to the outer wall of the connecting column.

[0019] As a further description of the above technical solution:

[0020] The rotating assembly includes a second connecting plate, the outer wall of which is fixed to the top of the base, and a second pulley is rotatably connected to the inner wall of the rotating assembly.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by setting a locking structure of locking plate one and locking plate two on the outer wall of the rotating plate, and cooperating with the bayonet on the connecting plate one and the mounting plate assembly, the quick disassembly and locking connection of the take-up plate and related cable structure during testing is realized. This breaks through the limitation of cumbersome disassembly of traditional devices, greatly improving the efficiency of testing and maintenance. At the same time, the locking assembly firmly fixes the connecting frame two, taking into account both structural stability and ease of operation.

[0023] 2. In this utility model, the support block on the outer wall of the mounting frame is innovatively used in conjunction with the internal pulley one and the pulley two on the top connecting plate two of the base to form a multi-node traction structure, which effectively reduces cable wear and improves traction stability. At the same time, the positioning component at the bottom of the connecting frame two cooperates with the connecting strip to achieve precise fixing when hoisting heavy objects, solving the problems of unstable traction and poor fixing effect of traditional devices. Attached Figure Description

[0024] Figure 1 This is a front perspective view of a double lifting device for a crane proposed in this utility model;

[0025] Figure 2 This is a partial structural exploded view of a double lifting device for a crane proposed in this utility model;

[0026] Figure 3 This is a partial structural diagram of a double lifting device for a crane proposed in this utility model;

[0027] Figure 4 This is a partial structural diagram of a double-lifting device for a crane proposed in this utility model;

[0028] Figure 5 This is a partial structural diagram of a double lifting device for a crane proposed in this utility model.

[0029] Legend:

[0030] 1. Connecting frame; 2. Drive mechanism; 201. Fixing frame; 202. Motor; 203. Fixing component; 2031. Housing; 2032. Heat dissipation hole; 204. Take-up plate; 205. Rotating plate; 206. Closing component; 2061. Locking plate one; 2062. Locking plate two; 207. Positioning component; 2071. Mounting plate; 2072. Bayonet; 208. Connecting plate; 3. Tensioning mechanism; 301. Connecting frame; 302. Mounting frame; 303. Rotating component; 3031. Pulley; 3032. Support block; 304. Base; 305. Fixing plate; 306. Rotating component; 3061. Connecting plate; 3062. Fixed pulley; 307. Positioning component; 3071. Connecting column; 3072. I-plate; 308. Connecting strip; 309. Hook. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see the appendix Figure 1 - Appendix Figure 3 The present invention provides an embodiment of a double lifting device for a crane, including a connecting frame 1, a drive mechanism 2 fixedly connected to the outer wall of the connecting frame 1, the drive mechanism 2 being used to drive the device, and a tensioning mechanism 3 being provided in the middle of the connecting frame 1, the tensioning mechanism 3 being used to lift heavy objects.

[0033] The drive mechanism 2 includes a fixed frame 201, the outer wall of which is fixed to the top of the connecting frame 1. A motor 202 is fixedly connected to the top of the fixed frame 201. A fixing component 203 is fixedly connected to the outer wall of the motor 202. A take-up plate 204 is fixedly connected to the output end of the motor 202. A rotating plate 205 is fixedly connected to the outer wall of the take-up plate 204. A closing component 206 is fixedly connected to the outer wall of the rotating plate 205. A connecting plate 208 is fixedly connected to the middle of the connecting frame 1. A locking component 207 is fixedly connected to the outer wall of the connecting plate 208.

[0034] Specifically, the outer wall of the fixing frame 201 is installed at the top of the connecting frame 1 to ensure its stability. The top of the fixing frame 201 is fixedly connected to the motor 202. The outer wall of the motor 202 is fixedly connected to the fixing component 203. The output end of the motor 202 is fixedly connected to the take-up plate 204 to ensure smooth and efficient power transmission. The outer wall of the take-up plate 204 is fixedly connected to the rotating plate 205. The outer wall of the rotating plate 205 is fixedly connected to the closing component 206 to ensure the coordinated operation of the entire system. A connecting plate 208 is fixedly connected to the middle of the connecting frame 1. The outer surface of the connecting plate 208 is fixed to the locking component 207, so that the device can perform work.

[0035] Please see the appendix Figure 1 - Appendix Figure 3The tensioning mechanism 3 includes a second connecting frame 301. The outer wall of the second connecting frame 301 is set inside the first connecting plate 208. The inner wall of the second connecting frame 301 is slidably connected to a mounting frame 302. The inner wall of the mounting frame 302 is rotatably connected to a rotating component 303. The bottom of the first connecting frame 1 is fixedly connected to a fixing plate 305. The outer wall of the fixing plate 305 is fixedly connected to a base 304. The top of the base 304 is fixedly connected to a rotating component 306. The bottom of the second connecting frame 301 is fixedly connected to a positioning component 307. The bottom of the positioning component 307 is fixedly connected to a connecting strip 308. The bottom of the connecting strip 308 is fixedly connected to a hook line 309.

[0036] Specifically, the outer wall of the second connecting frame 301 is located inside the first connecting plate 208, while the inner wall of the second connecting frame 301 is slidably connected to the mounting frame 302. The inner wall of the mounting frame 302 is rotatably connected to the rotating component 303. The bottom of the first connecting frame 1 is fixedly connected to the fixed plate 305. The outer wall of the fixed plate 305 is fixedly connected to the base 304. The top of the base 304 is fixedly connected to the rotating component 306. The bottom of the second connecting frame 301 is fixedly connected to the positioning component 307. The bottom of the positioning component 307 is fixedly connected to the connecting strip 308. The bottom of the connecting strip 308 is fixedly connected to the hook line 309, thereby increasing the stability of the device.

[0037] Please see the appendix Figure 1 - Appendix Figure 3 The fixing component 203 includes a housing 2031, the inner wall of which is fixed to the outer wall of the motor 202. The outer wall of the housing 2031 has heat dissipation holes 2032. The closing component 206 includes a first locking plate 2061, the outer wall of which is fixed to the rotating plate 205. The outer wall of the first locking plate 2061 is engaged with a second locking plate 2062. The positioning component 207 includes a mounting plate 2071, the outer wall of which is fixed to the outer wall of the first connecting plate 208. The outer wall of the mounting plate 2071 is fixedly connected with a slot 2072.

[0038] Specifically, the inner wall of the outer casing 2031 is fixed to the outer wall of the motor 202 to provide a stable support structure. Heat dissipation holes 2032 are opened on the outer wall of the outer casing 2031 to ensure that the motor 202 can dissipate heat in time during operation. The closing component 206 includes a first locking plate 2061. The outer wall of the first locking plate 2061 is installed on the rotating plate 205 to ensure that it will not be displaced during rotation. The outer wall of the first locking plate 2061 is engaged with the second locking plate 2062, making the closing component 206 easier to assemble and disassemble. The positioning component 207 includes a mounting plate 2071. The outer wall of the mounting plate 2071 is fixed to the outer wall of the first connecting plate 208 to ensure the stability of the overall structure. The outer wall of the mounting plate 2071 is further fixed to the connecting slot 2072.

[0039] Please see the appendix Figure 1 - Appendix Figure 3 The rotating component 303 includes a support block 3032, the outer wall of which is fixed to the outer wall of the mounting frame 302. The inner wall of the mounting frame 302 is rotatably connected to a pulley 3031. The positioning component 307 includes a connecting column 3071, the outer wall of which is fixed to the bottom of the connecting frame 301. The outer wall of the connecting column 3071 is fixedly connected to a plate 3072. The rotating component 306 includes a connecting plate 3061, the outer wall of which is fixed to the top of the base 304. The inner wall of the rotating component 306 is rotatably connected to a pulley 3062.

[0040] Specifically, the outer wall of the support block 3032 is fixed to the outer wall of the mounting frame 302 to ensure that the two are fixed together. The inner wall of the mounting frame 302 is rotatably connected to the pulley 3031, so that the pulley 3031 can rotate inside the mounting frame 302. The positioning component 307 includes a connecting column 3071. The outer wall of the connecting column 3071 is fixed to the bottom of the connecting frame 301 to ensure its stability. A plate 3072 is fixedly connected to the outer wall of the connecting column 3071. The rotating component 306 includes a connecting plate 3061. The outer wall of the connecting plate 3061 is installed on the top of the base 304. The inner wall of the rotating component 306 is rotatably connected to the pulley 3062, so that the pulley 3062 can rotate freely inside the rotating component 306.

[0041] Working principle: When the motor 202 placed on top of the fixed frame 201 is started, the take-up plate 204 is rotated under the drive of the motor 202. The outer wall of the take-up plate 204 is provided with a cable for connection. A rotating plate 205 is fixed at the end of the take-up plate 204. The outer wall of the rotating plate 205 is provided with a locking plate 2061 and a locking plate 2062 for locking. When the cable on the take-up plate 204 is inspected, it can be quickly disassembled. A connecting plate 208 is provided in the middle of the connecting frame 1. A bayonet 2072 and a mounting plate 2071 are provided in the middle of the connecting plate 208, which can lock and connect the device.

[0042] Connecting frame 201 is fixed under the positioning component 207. An installation frame 302 is provided inside the connecting frame 201. During installation, the support block 3032 can be connected to the outer wall of the installation frame 302. A pulley 1 3031 is provided inside the installation frame 302 to pull the cable. A fixing plate 305 is provided at the bottom of the connecting frame 1 for connecting the support base 304. A connecting plate 2 3061 is provided at the top of the base 304. A pulley 2 3062 is provided at the top of the connecting plate 2 3061 for connecting the cable. A fixed positioning component 307 is provided at the bottom of the connecting frame 201. A connecting strip 308 is used to fix the end of the cable at the bottom of the connecting frame 201, so that the device can lift heavy objects.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-lifting device for a crane, comprising a connecting frame (1), characterized in that: A drive mechanism (2) is fixedly connected to the outer wall of the connecting frame (1). The drive mechanism (2) is used to drive the device. A tensioning mechanism (3) is provided in the middle of the connecting frame (1). The tensioning mechanism (3) is used to lift heavy objects. The drive mechanism (2) includes a fixed frame (201), the outer wall of which is fixed to the top of the connecting frame (1), a motor (202) is fixedly connected to the top of the fixed frame (201), a fixed component (203) is fixedly connected to the outer wall of the motor (202), a take-up plate (204) is fixedly connected to the output end of the motor (202), a rotating plate (205) is fixedly connected to the outer wall of the take-up plate (204), a closing component (206) is fixedly connected to the outer wall of the rotating plate (205), a connecting plate (208) is fixedly connected to the middle of the connecting frame (1), and a locking component (207) is fixedly connected to the outer wall of the connecting plate (208).

2. The crane double-lifting device according to claim 1, characterized in that: The stretching mechanism (3) includes a second connecting frame (301), the outer wall of the second connecting frame (301) is disposed inside the first connecting plate (208), the inner wall of the second connecting frame (301) is slidably connected to a mounting frame (302), the inner wall of the mounting frame (302) is rotatably connected to a rotating component (303), the bottom of the first connecting frame (1) is fixedly connected to a fixing plate (305), the outer wall of the fixing plate (305) is fixedly connected to a base (304), the top of the base (304) is fixedly connected to a rotating component (306), the bottom of the second connecting frame (301) is fixedly connected to a positioning component (307), the bottom of the positioning component (307) is fixedly connected to a connecting strip (308), and the bottom of the connecting strip (308) is fixedly connected to a hook line (309).

3. A double-lifting device for a crane according to claim 1, characterized in that: The fixing component (203) includes a housing (2031), the inner wall of which is fixed to the outer wall of the motor (202), and the outer wall of the housing (2031) is provided with heat dissipation holes (2032).

4. A double-lifting device for a crane according to claim 1, characterized in that: The closing assembly (206) includes a first locking plate (2061), the outer wall of which is fixed on the rotating plate (205), and a second locking plate (2062) is engaged with the outer wall of the first locking plate (2061).

5. A double-lifting device for a crane according to claim 1, characterized in that: The locking assembly (207) includes a mounting plate (2071), the outer wall of which is fixed to the outer wall of the connecting plate (208), and the outer wall of the mounting plate (2071) is fixedly connected with a bayonet (2072).

6. A double-lifting device for a crane according to claim 2, characterized in that: The rotating assembly (303) includes a support block (3032), the outer wall of which is fixed to the outer wall of the mounting frame (302), and a pulley (3031) is rotatably connected to the inner wall of the mounting frame (302).

7. A double-lifting device for a crane according to claim 2, characterized in that: The positioning component (307) includes a connecting column (3071), the outer wall of which is fixed to the bottom of the connecting frame (301), and a board (3072) is fixedly connected to the outer wall of the connecting column (3071).

8. A double-lifting device for a crane according to claim 2, characterized in that: The rotating assembly (306) includes a second connecting plate (3061), the outer wall of which is fixed to the top of the base (304), and the inner wall of the rotating assembly (306) is rotatably connected to a second pulley (3062).

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