Novel transmission mechanism of crane

Abstract

The utility model relates to a novel transmission mechanism of a crane, which belongs to the technical field of cranes and comprises a lifting support frame, a lifting component is arranged in the lifting support frame and consists of two winding drums, a winding rope and a lifting motor, lifting hooks with different sizes are respectively arranged below the two winding drums, and the lifting motor is connected with the lifting motor. The lifting device has the capacity of lifting large-size goods and small-size goods at the same time in the goods transportation process, through the synergistic effect of the pushing assemblies and the winding rope, the lifting effect of the lifting device is greatly improved, and the lifting device has the advantages that the lifting device is simple in structure, convenient to use and high in practicability. According to the lifting device, the distance between the lifting hooks can be flexibly adjusted, so that the conveying requirements of goods of different sizes are met, the application range of the device is greatly widened, in addition, when a winding rope is wound, the device is further provided with an adjusting assembly, the winding position of the winding rope can be accurately adjusted and controlled, and the situation that the winding rope is disordered is effectively prevented.

Description

Technical Field

[0001] This utility model relates to a novel transmission mechanism for cranes, belonging to the field of crane technology. Background Technology

[0002] A crane is a multi-action lifting machine that vertically lifts and horizontally moves heavy objects within a certain range. Also known as a hoist, cranes are widely used in various industrial fields, such as construction sites, ports, and factories, for lifting, moving, and installing heavy equipment or goods. Different types of cranes are suitable for different application scenarios.

[0003] A transmission structure for a suspended crane (publication number: CN220364305U) is disclosed, comprising a transmission box and a mounting plate. A protective cover is fixedly installed on the outer side between the transmission box and the mounting plate. A mounting base is fixedly installed on one side of the protective cover. A first motor is fixedly installed at one end of the mounting base. The output end of the first motor extends into the interior of the mounting base and is fixedly connected to a lead screw. A sleeve is threaded on the surface of the lead screw. A connecting block is fixedly connected to one side of the sleeve. The end of the connecting block away from the sleeve extends into the interior of the protective cover and is fixedly connected to a guide seat. A second motor is fixedly installed on one side of the transmission box. This transmission structure for a suspended crane uses the first motor to drive the lead screw to rotate, thereby moving the sleeve left and right, which in turn moves the connecting block left and right, and in turn moves the guide seat left and right. This ensures that the lifting rope is evenly wound onto the winding roller, preventing the lifting rope from becoming entangled and affecting the normal operation of the transmission mechanism.

[0004] The existing devices can evenly wind the lifting rope onto the winding rollers. However, when transporting goods of different sizes, the existing devices are not convenient for simultaneously transporting and lifting large and small goods at the same time, and the existing devices are not convenient for adjusting the distance between the hooks according to the size of the goods.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a new type of transmission mechanism for cranes to solve the above problems, which can simultaneously transport and lift large and small-sized goods.

[0007] This utility model achieves the above-mentioned objective through the following technical solution: a novel transmission mechanism for a crane, comprising a lifting support frame, wherein a lifting component is provided inside the lifting support frame, the lifting component consists of a drum, a rope, and a lifting motor, wherein two drums are provided, and hooks of different sizes are respectively provided below the two drums, and a pushing component for adjusting the elevation angle of the rope end is symmetrically provided at the lower end of the lifting support frame, and an adjusting component for adjusting the winding position of the rope is symmetrically provided between the lifting support frames.

[0008] Preferably, in order to facilitate the installation of the lifting support frame by the staff, high-strength steel plates are fixedly installed at both ends of the top of the lifting support frame by welding, and the high-strength steel plates are provided with mounting holes at equal intervals.

[0009] Preferably, in order to provide driving force for the rotation of the drum, the lifting motor is electrically connected to the external power supply, a motor plate is fixedly installed on one end surface of the lifting support frame, the lifting motor is fixedly installed on the motor plate through the motor frame, and the output end of the lifting motor passes through one end of the lifting support frame and is fixedly connected to one of the drums.

[0010] Preferably, in order to enable the two drums to rotate at different speeds through the meshing transmission of the driving large gear and the driven small gear, the two drums are respectively rotatably mounted between the lifting support frame. The driving large gear is fixedly mounted at the end of one drum, and the driven small gear is fixedly mounted at the end of the other drum. The driving large gear and the driven small gear mesh with each other for transmission.

[0011] Preferably, in order to enable the sliding rod to move horizontally by means of the telescopic cylinder, and the telescopic cylinder is a telescopic hydraulic cylinder or a telescopic pneumatic cylinder, the pushing assembly includes a telescopic cylinder and a sliding rod. The telescopic cylinders are respectively symmetrically arranged at both ends of the bottom of the lifting support frame, and a stabilizing plate is fixedly installed at the output end of the telescopic cylinder at the same end of the bottom of the lifting support frame.

[0012] Preferably, in order to support the coiled rope, the slide bar is rotatably mounted between the stabilizing plates, and one end of the coiled rope rests on the slide bar.

[0013] Preferably, in order to provide driving force to the adjusting screw through the adjusting motor, the adjusting motor is a servo motor, the adjusting assembly includes the adjusting motor and the adjusting screw, the adjusting motor is symmetrically and fixedly installed on the inner wall of one end of the lifting support frame, the output end of the adjusting motor is fixedly connected to the adjusting screw, and the adjusting screw is symmetrically and rotatably installed inside the lifting support frame.

[0014] Preferably, in order to move the rope during winding by moving the adjusting frame, the outer surface of the adjusting screw is fitted with an adjusting frame with internal threads, the rope is engaged in the adjusting frame, the adjusting frame has a guide hole, a guide rod is inserted into the guide hole, and the guide rod is symmetrically fixedly installed in the lifting support frame.

[0015] The beneficial effects of this utility model are as follows: During the transportation of goods, this device has the ability to simultaneously lift large and small-sized goods. Through the synergistic effect of the push component and the winding rope, it can flexibly adjust the distance between the hooks to adapt to the transportation needs of goods of different sizes, greatly expanding the applicable scenarios of the device. In addition, when the winding rope is being wound up, this device is also equipped with an adjustment component, which can precisely control the winding position of the winding rope, effectively preventing the winding rope from becoming messy and ensuring smooth and efficient operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram showing the position of the rope winding in this utility model.

[0018] Figure 3 This is a schematic diagram of the structure of the lifting component of this utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the adjustment component of this utility model.

[0020] Figure 5 for Figure 2 Enlarged view of the structure at point A in the middle.

[0021] In the diagram: 1. Lifting support frame; 2. Lifting assembly; 201. Drum; 202. Rope winder; 203. Lifting motor; 204. Drive gear; 205. Driven gear; 3. Hook; 4. Pushing assembly; 401. Telescopic cylinder; 402. Slide rod; 403. Stabilizing plate; 5. Adjusting assembly; 501. Adjusting motor; 502. Adjusting screw; 503. Adjusting frame; 504. Guide rod; 6. High-strength steel plate; 7. Mounting hole; 8. Motor plate. Detailed Implementation

[0022] 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.

[0023] Please see Figures 1-5As shown, a novel transmission mechanism for a crane includes a lifting support frame 1. A lifting assembly 2 is installed inside the lifting support frame 1. The lifting assembly 2 consists of a drum 201, a rope 202, and a lifting motor 203. Two drums 201 are provided, each with a hook 3 of different sizes below it. Pushing assemblies 4 for adjusting the elevation angle of the rope 202 are symmetrically arranged at the lower end of the lifting support frame 1. Adjusting assemblies 5 for adjusting the winding position of the rope 202 are symmetrically arranged between the lifting support frames 1. When transporting goods, the operator activates the lifting motor 203, which drives the lifting mechanism... One of the drums 201 inside the heavy support frame 1 rotates. Through the gear engagement at the ends of the two drums 201, the two drums 201 can rotate at different speeds. When the staff needs to lift and transport large and small goods, they can be transported synchronously. The small goods rise to the top first. The distance between the two hooks 3 can be adjusted by the push component 4, thus providing suspension space for goods of different sizes. The winding position of the rope 202 can be adjusted by the adjustment component 5 when the rope 202 is wound up, thus avoiding the rope 202 from becoming messy during winding.

[0024] like Figure 3 As shown, high-strength steel plates 6 are fixedly installed at both ends of the top of the lifting support frame 1 by welding. Mounting holes 7 are evenly spaced on the high-strength steel plates 6. A motor plate 8 is fixedly installed on one end surface of the lifting support frame 1. A lifting motor 203 is fixedly installed on the motor plate 8 via a motor frame. The output end of the lifting motor 203 passes through one end of the lifting support frame 1 and is fixedly connected to a drum 201. Two drums 201 are rotatably installed between the lifting support frames 1. A large drive gear 204 is fixedly installed at the end of one drum 201, and the other drum 201... A driven pinion 205 is fixedly installed, and the driving gear 204 meshes with the driven pinion 205 for transmission. When the operator installs the device in a suitable position using the high-strength steel plate 6, the lifting motor 203 is turned on to drive one drum 201 in the lifting support frame 1 to rotate. At this time, the driving gear 204 rotates, and the rotation of the driving gear 204 drives the driven pinion 205 on the other drum 201 to rotate. This allows the two drums 201 to rise at different speeds, and the device has a strong energy-saving effect.

[0025] like Figure 5As shown, the pushing component 4 includes a telescopic cylinder 401 and a sliding rod 402. The telescopic cylinders 401 are symmetrically arranged at both ends of the bottom of the lifting support frame 1. The output ends of the telescopic cylinders 401 at the same end of the bottom of the lifting support frame 1 are fixedly installed with stabilizing plates 403. The sliding rods 402 are rotatably installed between the stabilizing plates 403. One end of the spiral rope 202 is laid on the sliding rod 402 so that when the workers need to suspend large and small goods onto the two hooks 3 respectively, the workers need to open the telescopic cylinder 401 in the pushing component 4. The telescopic cylinder 401 drives the sliding rod 402 to move horizontally, which in turn drives the spiral rope 202 to move horizontally. At this time, the distance between the two hooks 3 can be adjusted.

[0026] like Figure 4 As shown, the adjustment assembly 5 includes an adjustment motor 501 and an adjustment screw 502. The adjustment motor 501 is symmetrically and fixedly installed on the inner wall of one end of the lifting support frame 1. The output end of the adjustment motor 501 is fixedly connected to the adjustment screw 502. The adjustment screw 502 is symmetrically and rotatably installed inside the lifting support frame 1. An adjustment frame 503 with internal threads is fitted on the outer surface of the adjustment screw 502. The winding rope 202 is engaged in the adjustment frame 503. A guide hole is opened on the adjustment frame 503, and a guide rod 504 is inserted into the guide hole. The guide rod 504 is symmetrically and fixedly installed inside the lifting support frame 1. This allows the adjustment motor 501 to be turned on. The adjustment motor 501 is electrically connected to an external power source. The adjustment motor 501 can drive the adjustment screw 502 to rotate. The adjustment frame 503, which is engaged with the adjustment screw 502, can drive the winding rope 202 to move. At this time, with the rotation of the drum 201 and the control of the external controller, the controller (since the controller is a prior art feature, the structure of this device is not described) can adjust the speed of the adjustment motor 501 and the lifting motor 203, thereby making the winding rope 202 evenly wound on the surface of the drum 201.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel transmission mechanism of a crane comprising a crane support frame (1), characterized in that: The lifting support frame (1) is provided with an ascending assembly (2) composed of a winding drum (201), a winding rope (202) and an ascending motor (203), two winding drums (201) are provided below which are provided with different size hooks (3) respectively, the lifting support frame (1) is provided with a pushing assembly (4) at the lower end for adjusting the end elevation angle of the winding rope (202), and the lifting support frame (1) is provided with an adjusting assembly (5) between the symmetrically arranged winding ropes (202) for adjusting the winding position.

2. Crane novel transmission mechanism according to claim 1, characterized in that: The lifting support frame (1) is provided with a high-strength steel plate (6) fixedly installed at both ends of the top by welding, and mounting holes (7) are arranged at equal intervals on the high-strength steel plate (6).

3. Crane novel transmission mechanism according to claim 1, characterized in that: The lifting support frame (1) is provided with a motor plate (8) fixedly installed on one end surface, the ascending motor (203) is fixedly installed on the motor plate (8) through a motor frame, and the output end of the ascending motor (203) penetrates one end of the lifting support frame (1) and is fixedly connected with one winding drum (201).

4. Crane novel transmission mechanism according to claim 3, characterized in that: Two winding drums (201) are rotatably installed between the lifting support frames (1), and a driving large gear (204) is fixedly installed at one end of each winding drum (201), and a driven small gear (205) is fixedly installed at the other end of each winding drum (201), and the driving large gear (204) and the driven small gear (205) are in meshing transmission with each other.

5. The novel transmission mechanism of a crane according to claim 1, characterized in that: The pushing assembly (4) comprises a telescopic cylinder (401) and a sliding rod (402), the telescopic cylinders (401) are symmetrically arranged at the bottom of the lifting support frame (1), and the output ends of the telescopic cylinders (401) at the same end of the bottom of the lifting support frame (1) are fixedly installed with a stabilizing plate (403).

6. Crane novel transmission mechanism according to claim 5, characterized in that: The sliding rod (402) is rotatably installed between the stabilizing plates (403), and one end surface of the winding rope (202) is arranged on the sliding rod (402).

7. The novel transmission mechanism of a crane according to claim 1, characterized in that: The adjusting assembly (5) comprises an adjusting motor (501) and an adjusting lead screw (502), the adjusting motor (501) is symmetrically fixedly installed on the inner wall of one end of the lifting support frame (1), the output end of the adjusting motor (501) and the adjusting lead screw (502) are fixedly connected with each other, and the adjusting lead screw (502) is rotatably installed in the lifting support frame (1).

8. Crane novel transmission mechanism according to claim 7, characterized in that: The adjusting lead screw (502) is provided with an adjusting frame (503) with threads in the inner surface, the winding rope (202) is clamped in the adjusting frame (503), the adjusting frame (503) is provided with a guide hole, a guide rod (504) is inserted in the guide hole, and the guide rod (504) is symmetrically fixedly installed in the lifting support frame (1).

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