Automatic unloading and driving device

Abstract

The application belongs to the technical field of travelling crane, and discloses an automatic lifting and unloading travelling crane device. Four crawler assemblies can bring greater power when lifting goods, so that large goods can be lifted and transported more easily. Every two crawler assemblies are respectively located at the top and bottom of the guide frame, and the positions of the crawler assemblies are evenly distributed, so that the structure is more compact and space-saving. The driving gear is located at the central position in the crawler assembly for driving the driven gear. The number of the driven gears is multiple. The inside of the crawler assembly has two driven gears located at the two sides of the driving gear. The driving gear is engaged with the driven gear. The crawler assembly is composed of multiple slats. Every two slats are connected in a hinged manner, and each slat is arc-shaped. The top and bottom of the guide frame are concave. The arc-shaped slats can better fit the concave on the guide frame, so that the maximum lifting friction of the crawler assembly is improved when the crawler assembly is extruded by its own weight, and the concave form can avoid the crawler assembly from separating from the guide frame.

Description

Technical Field

[0001] This invention relates to the field of overhead crane technology, specifically to an automatic lifting and unloading overhead crane device. Background Technology

[0002] A crane is mainly used to suspend a car and transport it from point A to point B via an overhead track. The car contains the items to be transported, such as for transporting goods or for monitoring in pipeline systems where it is inconvenient to have manual on-site monitoring.

[0003] When a crane moves goods, it relies on pulleys sliding on tracks. Most pulleys are circular in shape, and slippage is common, leading to power loss. Therefore, pulleys are frequently involved in cargo transportation problems. Furthermore, a single pulley, if not properly restrained, can derail. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic lifting and unloading overhead crane device to solve the above problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic lifting and unloading overhead crane device, characterized in that it comprises;

[0006] The guide frame and the sliding assembly are provided. There are two guide frames, and the sliding assembly is supported by the two guide frames. The sliding assembly includes a track assembly, a drive gear, and a driven gear.

[0007] There are four track assemblies, which provide greater power for lifting cargo, making it easier to lift and transfer large cargo. Two track assemblies are located at the top and bottom of the guide frame, respectively. The even distribution of the track assemblies makes the structure more compact and saves space. The drive gear is located in the center of the track assembly and is used to drive the driven gear. There are multiple driven gears. Inside each track assembly, there are two driven gears located on both sides of the drive gear. The drive gear meshes with the driven gear.

[0008] Preferably, the guide frame has a hollow structure inside, which makes it lighter and more convenient for transporting goods. The guide frame has reinforcing ribs inside for reinforcement. The reinforcing ribs are cross-shaped and fixed to the guide frame. The guide frame is reinforced by the reinforcing ribs, which maximizes the strength of the guide frame despite its hollow structure.

[0009] Preferably, the track assembly consists of multiple slats, with each pair of slats connected by a hinge. Each slat is arc-shaped, and the top and bottom of the guide frame are concave. The arc-shaped slats fit better into the concavity of the guide frame, maximizing friction when the track assembly is compressed by its own weight. The concave shape also prevents the track assembly from detaching from the guide frame. The top and bottom of the guide frame have multiple grooves, and the outer side of each slat has an integrally fixed rack. The rack is embedded in the groove and meshes with it. The rack being embedded in the groove enhances friction, prevents the track assembly from slipping, and effectively avoids power loss.

[0010] Preferably, the outer wall of the driven gear is arc-shaped. The arc-shaped driven gear can better fit the track assembly, thereby achieving a higher transmission ratio. The inner side of the track assembly has tooth grooves, and the outer side of the driven gear meshes with the tooth grooves. The driven gear has an integrally fixed drive shaft on both sides. The end of the drive shaft passes through the track assembly and extends to both sides of the track assembly. The drive shaft has an integrally fixed drive ring at one end of the driven gear. The drive ring has a drive belt for transmission. Each drive belt connects to the drive rings on the two drive shafts. When the drive gear drives the driven gear to rotate, the drive shafts and drive rings at both ends of the driven gear rotate synchronously. The drive belts enable the drive rings on the outer sides of the two driven gears to rotate synchronously, achieving the transmission effect. This not only avoids power loss but also effectively ensures the synchronicity of the rotation of the drive rings.

[0011] Preferably, the guide frame has positioning frames on both sides for installation. The positioning frames are "X" shaped. The end of the positioning frame is sleeved on the outside of the drive shaft, and the end of the positioning frame has a bearing. The drive shaft can be rotatably connected to the positioning frame through the bearing. The side of the positioning frame has an integrally fixed slider. The two sides of the guide frame have integrally fixed guide rails. The slider is embedded in the inside of the guide rail and slidably connected to it.

[0012] Preferably, one end of the drive gear has an integrally fixed drive rod, the other end of the drive rod away from the drive gear has a drive motor for driving, and has a motor frame for mounting, the end of the motor frame has an integrally fixed mounting plate, the mounting plate is attached to the outside of the positioning frame and fixed by bolts.

[0013] Preferably, a cargo lifting assembly is provided between the two guide frames, the cargo lifting assembly including a load-bearing frame, a lead screw, a connector, a connecting part, a crane lifting assembly, and a threaded positioning tube;

[0014] There are two load-bearing frames, which are attached to two positioning frames and fixed by bolts. There are multiple screw rods between the two load-bearing frames. The two ends of the screw rods are welded and fixed to the two load-bearing frames respectively. The connector is slidably connected to the outside of the multiple screw rods, and the threaded positioning tube is threadedly connected to the outside of the screw rods. The end of the threaded positioning tube is attached to the side of the connector. The connector can move horizontally on the outside of the multiple screw rods, thereby adjusting the position of the crane lifting assembly. During lifting, the load is shared by the chassis and the screw rods, resulting in higher structural strength and longer service life. When the connector is adjusted to the required position, the threaded positioning tube is rotated to make the threaded positioning tube horizontally offset on the screw rod. The threaded positioning tube is attached to the outside of the connector for limiting and fixing.

[0015] The bottom of the connector is hinged to the top of the connecting part, and the bottom of the connecting part is installed and fixed to the crane lifting assembly.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The connecting piece is sleeved on the outside of multiple lead screws and can move horizontally to adjust the position of the overhead crane lifting assembly. During lifting, the force is shared by the chassis and lead screws, resulting in higher structural strength and longer service life. When the connecting piece is adjusted to the required position, the threaded positioning tube is rotated to make the threaded positioning tube shift horizontally on the lead screw. The threaded positioning tube fits against the outside of the connecting piece for limiting and fixing, and the overhead crane lifting assembly lifts the goods.

[0018] 2. Start the drive motor to drive the drive rod to rotate, causing the drive gear to rotate synchronously. The drive gear meshes with the driven gear, enabling the drive gear to drive the driven gear to rotate synchronously. The outer side of the driven gear meshes with the tooth groove, allowing the driven gear to drive the track assembly to move on the guide frame. The outer side of the track assembly has multiple integrally fixed racks that mesh with grooves. When the track assembly moves on the guide frame, the racks are embedded in the grooves to enhance friction and prevent the track assembly from slipping, effectively preventing power loss. Positioning frames are installed on both sides of the track assembly to limit the driven gear and drive shaft. When the track assembly moves on the guide frame, the slider on the side of the positioning frame is embedded in the guide rail and moves synchronously, thus preventing the driven gear from deviating from the track and making the driven gear more stable during lifting.

[0019] 3. When the drive gear drives the driven gear to rotate, the transmission shafts and transmission rings at both ends of the driven gear rotate synchronously. The transmission belt enables the transmission rings on the outer sides of the two driven gears to rotate synchronously, thus achieving the transmission effect. This not only avoids power loss but also effectively ensures the synchronicity of the transmission ring rotation. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the exploded structure of the present invention.

[0022] In the diagram: 100, guide frame; 101, reinforcing rib plate; 102, guide rail; 103, groove; 200, track assembly; 201, rack; 202, tooth groove; 300, drive gear; 301, drive rod; 302, motor frame; 303, mounting plate; 304, drive motor; 400, driven gear; 401, drive shaft; 402, drive ring; 403, drive belt; 500, positioning frame; 501, bearing; 502, slider; 600, load-bearing frame; 601, lead screw; 602, connector; 603, connecting part; 604, overhead crane lifting assembly; 605, threaded positioning tube. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] In the description of this invention, it should be noted that the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0025] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0026] Please see Figure 1-2 The present invention provides a technical solution: an automatic lifting and unloading overhead crane device, characterized in that it includes:

[0027] The guide frame 100 and the sliding assembly are provided. There are two guide frames 100. The sliding assembly is supported by the two guide frames 100. The sliding assembly includes a track assembly 200, a drive gear 300, and a driven gear 400.

[0028] There are four track assemblies 200. The four track assemblies 200 provide greater power when lifting goods, making it easier to lift and transfer large goods. Every two track assemblies 200 are located at the top and bottom of the guide frame 100, respectively. The track assemblies 200 are evenly distributed, making the structure more compact and saving space. The drive gear 300 is located in the center of the track assembly 200 and is used to drive the driven gear 400. There are multiple driven gears 400. Inside each track assembly 200, there are two driven gears 400 located on both sides of the drive gear 300. The drive gear 300 meshes with the driven gear 400.

[0029] Furthermore, the guide frame 100 has a hollow internal structure, which makes it lighter and more convenient for cargo transportation. The guide frame 100 has a reinforcing rib plate 101 inside for reinforcement. The reinforcing rib plate 101 is cross-shaped and is fixed integrally with the guide frame 100. The guide frame 100 is reinforced by the reinforcing rib plate 101, so that the guide frame 100 can maximize its strength under the premise of being hollow.

[0030] Furthermore, the track assembly 200 is composed of multiple slats, with each pair of slats connected by a hinge. Each slat is arc-shaped, and the top and bottom of the guide frame 100 are concave. The arc-shaped slats can better fit the concavity on the guide frame 100, maximizing the friction when the track assembly 200 is compressed by its own weight. The concave shape also prevents the track assembly 200 from detaching from the guide frame 100. The top and bottom of the guide frame 100 have multiple grooves 103. The outer side of the slats has an integrally fixed rack 201. The rack 201 is embedded in the groove 103 and meshes with it. The rack 201 embedded in the groove 103 can enhance the friction and prevent the track assembly 200 from slipping, effectively preventing the loss of power.

[0031] Furthermore, the outer wall of the driven gear 400 is arc-shaped. The arc-shaped driven gear 400 can better fit the track assembly 200, thereby achieving a higher transmission ratio. The inner side of the track assembly 200 has a toothed groove 202, and the outer side of the driven gear 400 meshes with the toothed groove 202. The driven gear 400 has integrally fixed drive shafts 401 on both sides. The ends of the drive shafts 401 extend through the track assembly 200 to both sides of the track assembly 200. The drive shafts 401 have an integrally fixed transmission ring at one end of the driven gear 400. 402, the transmission ring 402 has a transmission belt 403 for transmission. Each transmission belt 403 is connected to the transmission ring 402 on two transmission shafts 401 respectively. When the drive gear 300 drives the driven gear 400 to rotate, the transmission shafts 401 at both ends of the driven gear 400 and the transmission ring 402 rotate synchronously. The transmission belt 403 realizes the synchronous rotation of the transmission rings 402 on the outer side of the two driven gears 400, realizing the transmission effect. This not only avoids power loss, but also effectively ensures the synchronicity of the rotation of the transmission rings 402.

[0032] Furthermore, the guide frame 100 has positioning frames 500 for installation on both sides. The positioning frames 500 are "X" shaped. The end of the positioning frame 500 is sleeved on the outside of the drive shaft 401, and the end of the positioning frame 500 has a bearing 501. The drive shaft 401 can be rotatably connected to the positioning frame 500 through the bearing 501. The side of the positioning frame 500 has an integrally fixed slider 502. The guide frame 100 has integrally fixed guide rails 102 on both sides. The slider 502 is embedded in the inside of the guide rail 102 and slidably connected to it.

[0033] Furthermore, one end of the drive gear 300 has an integrally fixed drive rod 301, and the end of the drive rod 301 away from the drive gear 300 has a drive motor 304 for driving, and has a motor frame 302 for mounting. The end of the motor frame 302 has an integrally fixed mounting plate 303, which is attached to the outside of the positioning frame 500 and fixed by bolts.

[0034] Furthermore, a cargo lifting assembly is provided between the two guide frames 100, which includes a load-bearing frame 600, a lead screw 601, a connector 602, a connecting part 603, a crane lifting assembly 604, and a threaded positioning tube 605;

[0035] There are two load-bearing frames 600, which are attached to two positioning frames 500 and fixed by bolts. There are multiple screw rods 601 between the two load-bearing frames 600. The two ends of the screw rods 601 are welded and fixed to the two load-bearing frames 600 respectively. The connector 602 is sleeved on the outside of the multiple screw rods 601 and slidably connected to them. The threaded positioning tube 605 is sleeved on the outside of the screw rods 601 and threadedly connected to them. The end of the threaded positioning tube 605 is attached to the side of the connector 602. The connector 602 can move horizontally on the outside of the multiple screw rods 601, thereby adjusting the position of the crane lifting assembly 604. During lifting, the force is shared by the chassis and the screw rods 601, which makes the structure stronger and longer in service life. When the connector 602 is adjusted to the required position, the threaded positioning tube 605 is rotated to make the threaded positioning tube 605 horizontally offset on the screw rods 601. The threaded positioning tube 605 is attached to the outside of the connector 602 for limiting and fixing.

[0036] The bottom of the connector 602 is hinged to the top of the connector 603, and the bottom of the connector 603 is fixedly installed to the crane lifting assembly 604.

[0037] Working principle: During use, the connector 602 is sleeved on the outside of multiple lead screws 601 and can move horizontally to adjust the position of the overhead crane lifting assembly 604. During lifting, the force is shared by the chassis and lead screws 601, resulting in higher structural strength and longer service life. When the connector 602 is adjusted to the required position, the threaded positioning tube 605 is rotated to make the threaded positioning tube 605 horizontally offset on the lead screws 601. The threaded positioning tube 605 fits against the outside of the connector 602 for limiting and fixing, and the overhead crane lifting assembly 604 lifts the goods.

[0038] Furthermore, the drive motor 304 is started to drive the drive rod 301 to rotate, causing the drive gear 300 to rotate synchronously. The drive gear 300 meshes with the driven gear 400, so that the drive gear 300 drives the driven gear 400 to rotate synchronously. The outer side of the driven gear 400 meshes with the tooth groove 202, so that the driven gear 400 drives the track assembly 200 to move on the guide frame 100. The outer side of the track assembly 200 has multiple integrally fixed racks 201. The racks 201 mesh with the grooves 103. When the track assembly 200 moves on the guide frame 100, the racks 201 are embedded in the grooves 103 to enhance the friction and prevent the track assembly 200 from slipping, effectively preventing the phenomenon of power loss.

[0039] Furthermore, the positioning frame 500 is installed on both sides of the track assembly 200 to limit the driven gear 400 and the drive shaft 401. When the track assembly 200 moves on the guide frame 100, the slider 502 on the side of the positioning frame 500 is embedded in the guide rail 102 and moves synchronously, thereby preventing the driven gear 400 from deviating from the track and making the driven gear 400 more stable when being lifted.

[0040] Furthermore, when the drive gear 300 drives the driven gear 400 to rotate, the transmission shaft 401 at both ends of the driven gear 400 and the transmission ring 402 rotate synchronously. Through the transmission belt 403, the transmission ring 402 on the outer side of the two driven gears 400 rotates synchronously, achieving the transmission effect. This not only avoids power loss but also effectively ensures the synchronicity of the rotation of the transmission ring 402.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic lifting and unloading overhead crane device, characterized in that: include; The guide frame (100) and the sliding assembly are provided. There are two guide frames (100), and the sliding assembly is supported by the two guide frames (100). The sliding assembly includes a track assembly (200), a drive gear (300), and a driven gear (400). There are four track assemblies (200), with each pair of track assemblies (200) located at the top and bottom of the guide frame (100), respectively. The drive gear (300) is located in the center of the track assembly (200), and there are multiple driven gears (400). Inside each track assembly (200), there are two driven gears (400) located on both sides of the drive gear (300), and the drive gear (300) meshes with the driven gear (400). The outer wall of the driven gear (400) is arc-shaped, and the inner side of the track assembly (200) is provided with a tooth groove (202). The outer side of the driven gear (400) meshes with the tooth groove (202). The driven gear (400) has an integrally fixed transmission shaft (401) on both sides. The end of the transmission shaft (401) extends through the track assembly (200) to both sides of the track assembly (200). The transmission shaft (401) has an integrally fixed transmission ring (402) at one end of the driven gear (400). The transmission ring (402) has a transmission belt (403) for transmission. Each transmission belt (403) is connected to the transmission ring (402) on the two transmission shafts (401). The guide frame (100) has positioning frames (500) on both sides for installation. The positioning frames (500) are "X" shaped. The end of the positioning frame (500) is sleeved on the outside of the drive shaft (401), and the end of the positioning frame (500) has a bearing (501). The drive shaft (401) can be rotatably connected to the positioning frame (500) through the bearing (501). The side of the positioning frame (500) has an integrally fixed slider (502). The guide frame (100) has integrally fixed guide rails (102) on both sides. The slider (502) is embedded in the inside of the guide rail (102) and slidably connected to it.

2. The automatic lifting and unloading overhead crane device according to claim 1, characterized in that: The guide frame (100) has a hollow structure inside, and the guide frame (100) has a reinforcing rib plate (101) inside for reinforcement. The reinforcing rib plate (101) is cross-shaped and is fixed integrally with the guide frame (100).

3. The automatic lifting and unloading overhead crane device according to claim 1, characterized in that: The track assembly (200) is composed of multiple slats, which are connected by a hinge. Each slat is arc-shaped. The top and bottom of the guide frame (100) are concave. Multiple grooves (103) are provided on the top and bottom of the guide frame (100). The outer side of the slats has an integrally fixed rack (201), which is embedded in the groove (103) and meshes with it.

4. The automatic lifting and unloading overhead crane device according to claim 1, characterized in that: The drive gear (300) has an integrally fixed drive rod (301) at one end, and a drive motor (304) for driving is located at the end of the drive rod (301) away from the drive gear (300), and a motor frame (302) for mounting is located on it. The end of the motor frame (302) has an integrally fixed mounting plate (303), and the mounting plate (303) is attached to the outside of the positioning frame (500) and fixed by bolts.

5. The automatic lifting and unloading overhead crane device according to claim 1, characterized in that: Between the two guide frames (100) is a cargo lifting assembly, which includes a load-bearing frame (600), a lead screw (601), a connector (602), a connecting part (603), a crane lifting assembly (604), and a threaded positioning tube (605); There are two load-bearing frames (600). The two load-bearing frames (600) are attached to two positioning frames (500) and fixed by bolts. There are multiple screw rods (601) between the two load-bearing frames (600). The two ends of the screw rods (601) are welded and fixed to the two load-bearing frames (600) respectively. The connector (602) is sleeved on the outside of the multiple screw rods (601) and slidably connected to them. The threaded positioning tube (605) is sleeved on the outside of the screw rods (601) and threadedly connected to them. The end of the threaded positioning tube (605) is attached to the side of the connector (602). The bottom of the connector (602) is hinged to the top of the connector (603), and the bottom of the connector (603) is fixed to the crane lifting assembly (604).

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