A lifting trolley turning and moving device

Abstract

The utility model relates to hoisting and conveying equipment technical field discloses a hoisting trolley direction changing moving device, including mobile base, and mobile base is equipped with two groups, two groups of mobile base are fixedly installed together through a group of slide rods, the slide rod is in the shape of H, and the middle part of slide rod is provided with mobile base, and the bottom end fixed mounting of mobile base has the crane, and one group of speed reducer mechanism is arranged on the both sides of mobile base respectively, the inside of two groups of mobile base is rotatably installed with two groups of moving wheels respectively, and the inside of moving wheel is provided with brake mechanism, this hoisting trolley direction changing moving device, through the regulation contact pressure dynamic control moving speed, through accurate brake and deceleration control, effectively reduce the shaking of hoisting goods, improve hoisting operation stability and security.

Description

Technical Field

[0001] This utility model relates to the field of lifting and transport equipment technology, specifically a crane reversing and moving device. Background Technology

[0002] In the field of lifting equipment, cranes are widely used in various industrial scenarios as important material handling tools. Traditional cranes are prone to large swaying during the change of direction due to the lack of effective speed control and braking methods. When the crane is moving longitudinally or sliding laterally, if the speed cannot be accurately controlled, the hoisted load will sway violently due to inertia at the moment of starting, braking or turning. This not only affects the accuracy and efficiency of hoisting, but also poses serious safety hazards such as the load falling.

[0003] Meanwhile, existing cranes also have shortcomings in heat dissipation. The heat generated by key components such as motors during long-term operation is difficult to dissipate effectively, leading to a decline in component performance or even damage, affecting the normal operation and service life of the equipment. In addition, the stability of the traditional crane's moving guide structure is poor, and it is prone to deviation or overturning during movement, further aggravating the shaking problem during operation. In order to solve the above problems, we propose a crane reversing moving device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a crane reversing and moving device, which solves the aforementioned problems.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a crane reversing and moving device, comprising a moving base, wherein the moving base is provided in two sets;

[0006] The two sets of movable bases are fixed together by a set of sliding rods;

[0007] The slide bar is I-shaped, and a sliding base is provided in the middle of the slide bar. A hoist is fixedly installed at the bottom of the sliding base, and a set of deceleration mechanisms are provided on both sides of the sliding base.

[0008] The two sets of movable bases each have two sets of movable wheels rotatably mounted inside, and the movable wheels are equipped with a braking mechanism.

[0009] Preferably, a friction plate is fixedly installed at the bottom end of the slide rod.

[0010] Preferably, ventilation openings are provided on both sides of the movable base, and a set of drive motors is fixedly installed on one side of the movable base corresponding to the two sets of movable wheels, and the output shaft of the drive motor is fixedly connected to the movable wheels.

[0011] One side of the movable wheel has a circular groove, and a set of arc-shaped friction plates are hinged to each side of the groove.

[0012] Preferably, the braking mechanism includes a rotating rod, a sleeve, and a hydraulic telescopic rod. A set of hydraulic telescopic rods is hinged to the inside of the movable base near the rotating shaft of the two sets of movable wheels, and a sleeve is hinged to the other end of each set of hydraulic telescopic rods.

[0013] Two sets of sleeves are respectively fitted onto the rotating shafts of two sets of movable wheels, and one end of each set of sleeves is rotatably mounted to the inner wall of the movable base.

[0014] Preferably, a set of rotating rods is hinged to one side of each of the two sets of sleeves away from the hydraulic telescopic rod, and the two sets of rotating rods are symmetrically hinged to the sleeves. The other end of each set of rotating rods is hinged to two sets of arc-shaped friction plates.

[0015] The sliding base includes a rotating wheel, a limiting wheel, and a first motor. A set of rotating wheels is rotatably installed on each of the two sides inside the sliding base, and two sets of limiting wheels are rotatably installed on the two sides of the sliding base close to the two sets of rotating wheels.

[0016] A first motor is fixedly installed on one side of the sliding base corresponding to a set of rotating wheels, and the output shaft of the first motor is fixedly connected to the rotating wheels.

[0017] Preferably, the deceleration mechanism includes a second motor, a threaded screw, and a threaded plate. Connecting plates are respectively provided on both sides of the sliding base, and a second motor is fixedly installed on one side of each connecting plate. A threaded screw is fixedly installed on the output shaft of the second motor.

[0018] Preferably, a rotating shaft is fixedly installed on the side of the first motor away from the second motor, and the other end of the threaded screw is rotatably installed inside the rotating shaft;

[0019] A threaded plate is rotatably mounted at the middle of the threaded screw.

[0020] Preferably, connecting rods are hinged to both sides of the threaded plate, and connecting rods are fixedly installed at the other ends of the two sets of connecting rods respectively;

[0021] A friction plate is fixedly installed at the other end of the connecting rod, and the friction plate is in contact with the friction plate at the bottom of the slide rod.

[0022] Preferably, the connecting plate is fixedly mounted with fixed shafts on both sides near the second motor;

[0023] Each of the two sets of connecting rods has a set of fixed rods hinged to its middle section, and the other end of each set of fixed rods is fixedly installed together with a fixed shaft.

[0024] Compared with the prior art, the present invention provides a crane trolley reversing and moving device, which has the following beneficial effects:

[0025] This crane's reversing and moving device addresses the shortcomings of traditional cranes, such as insufficient speed control, poor heat dissipation, and unstable guidance, through design optimization. It offers significant advantages. Its deceleration mechanism, in conjunction with the friction plate at the bottom of the sliding rod, dynamically adjusts the lateral sliding speed of the moving base. A motor-driven screw moves the threaded plate, and a connecting rod presses the friction plate against the friction plate. The contact pressure is precisely controlled based on the screw displacement, achieving fine-tuned speed adjustment. The braking mechanism uses a hydraulic telescopic rod to push the sleeve axially, and a rotating rod causes the arc-shaped friction plate to radially expand and press against the inner wall of the moving wheel. The braking force is precisely controlled by the stroke of the hydraulic telescopic rod, effectively reducing operational sway and improving lifting performance. To ensure accuracy and safety, the ventilation openings on both sides of the mobile base utilize the chimney effect to create forced convection channels, quickly dissipating the heat generated by the drive motor and preventing component performance degradation or damage due to overheating, thus ensuring stable equipment operation. The limiting wheels of the mobile base are snapped into the flanges of the sliding rod I-beam structure, forming a three-point contact guide, enhancing lateral sliding stability and preventing deviation and overturning. In addition, the double rocker mechanism composed of the connecting rod and the fixed rod in the reduction mechanism can amplify the small linear displacement of the threaded plate into a significant downward pressure on the friction plate, enhancing the braking effect. At the same time, the rigid fulcrum constrains the movement trajectory of the connecting rod, ensuring that the friction plate is perpendicularly pressed against the friction plate, guaranteeing braking reliability and stability. Attached Figure Description

[0026] Figure 1 This is a three-dimensional front view schematic diagram of the present invention;

[0027] Figure 2 This is a cross-sectional view of the movable base of this utility model;

[0028] Figure 3 This is a schematic diagram of the sliding base of this utility model;

[0029] Figure 4 This is a schematic diagram of the deceleration mechanism of this utility model.

[0030] In the diagram: 1. Movable base; 2. Slide rod; 3. Sliding base; 4. Moving wheel; 5. Drive motor; 6. Arc-shaped friction plate; 7. Rotating rod; 8. Sleeve; 9. Hydraulic telescopic rod; 10. Reduction mechanism; 11. Rotating wheel; 12. Limiting wheel; 13. First motor; 14. Second motor; 15. Threaded screw; 16. Threaded plate; 17. Fixed rod; 18. Connecting rod. 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 Figure 1-4 A crane reversing and moving device includes a moving base 1, and the moving base 1 is provided with two sets;

[0033] The two sets of movable bases 1 are fixedly installed together by a set of sliding rods 2;

[0034] The slide bar 2 is I-shaped, and a movable base 3 is provided in the middle of the slide bar 2. A hoist is fixedly installed at the bottom of the movable base 3, and a set of deceleration mechanisms 10 are provided on both sides of the movable base 3.

[0035] Two sets of movable wheels 4 are rotatably installed inside the two sets of movable bases 1, and the movable wheels 4 are equipped with a braking mechanism inside.

[0036] A friction plate is fixedly installed at the bottom end of the slide rod 2. When the slide rod 2 carries the moving base 3 and moves laterally, the friction plate equipped with the I-shaped structure at its bottom end and the friction plate of the deceleration mechanism 10 form a friction pair. By adjusting the contact area between the friction plate and the friction plate, the lateral sliding speed of the moving base 3 can be dynamically controlled.

[0037] Ventilation openings are provided on both sides of the mobile base 1, and a set of drive motors 5 are fixedly installed on one side of the mobile base 1 corresponding to the two sets of moving wheels 4. The output shaft of the drive motor 5 is fixedly connected to the moving wheel 4. The drive motor 5 drives the moving wheel 4 to rotate through the output shaft to achieve longitudinal movement. The arc-shaped friction plate 6 set inside the moving wheel 4 is linked by the brake mechanism.

[0038] A circular groove is provided on one side of the movable wheel 4, and a set of arc-shaped friction plates 6 are hinged to both sides of the groove. The ventilation opening forms a forced convection channel, which can dissipate the heat generated by the drive motor 5 through the openings on both sides to form a chimney effect.

[0039] The braking mechanism includes a rotating rod 7, a sleeve 8, and a hydraulic telescopic rod 9. A set of hydraulic telescopic rods 9 is hinged to the inside of the movable base 1 near the rotating shaft of the two sets of movable wheels 4, and the other end of the two sets of hydraulic telescopic rods 9 is hinged to the sleeve 8.

[0040] Two sets of sleeves 8 are respectively fitted onto the rotating shafts of two sets of movable wheels 4, and one end of each set of sleeves 8 is rotatably mounted to the inner wall of the movable base 1.

[0041] Two sets of sleeves 8 are hinged to a set of rotating rods 7 on the side opposite to the hydraulic telescopic rod 9. The two sets of rotating rods 7 are symmetrically hinged to the sleeves 8. The other ends of the two sets of rotating rods 7 are hinged to two sets of arc-shaped friction plates 6. When the hydraulic telescopic rod 9 extends or retracts, it pushes the sleeves 8 to slide axially along the axis of the moving wheel 4. The linear motion is converted into the radial expansion of the arc-shaped friction plates 6 through the symmetrically hinged rotating rods 7. The arc-shaped friction plates 6 press outward against the inner wall of the moving wheel 4, and braking is achieved through friction. The magnitude of the braking force is precisely controlled by the stroke of the hydraulic telescopic rod 9.

[0042] The movable base 3 includes a rotating wheel 11, a limiting wheel 12 and a first motor 13. A set of rotating wheels 11 are rotatably installed on both sides inside the movable base 3, and two sets of limiting wheels 12 are rotatably installed on both sides of the movable base 3 near the two sets of rotating wheels 11. The first motor 13 drives the rotating wheels 11 to roll along the upper surface of the I-shaped slide bar 2 to realize the lateral movement of the movable base 3.

[0043] A first motor 13 is fixedly installed on one side of the movable base 3 at a set of rotating wheels 11, and the output shaft of the first motor 13 is fixedly connected to the rotating wheels 11. Four sets of limiting wheels 12 are respectively snapped into the upper and lower flanges of the slide bar 2 I-shaped structure to form a three-point contact guide to prevent the movable base 3 from shifting or tipping over when sliding.

[0044] The reduction mechanism 10 includes a second motor 14, a threaded screw 15, and a threaded plate 16. Connecting plates are respectively provided on both sides of the movable base 3, and the second motor 14 is fixedly installed on one side of the connecting plate. The threaded screw 15 is fixedly installed on the output shaft of the second motor 14. The second motor 14 drives the threaded screw 15 to rotate, thereby driving the threaded plate 16 to move linearly.

[0045] The first motor 13 has a rotating shaft fixedly installed on the side opposite to the second motor 14, and the other end of the threaded screw 15 is rotatably installed in the rotating shaft. The threaded plate 16 pushes the connecting rod 18 to rotate around the fulcrum of the fixed rod 17 through the connecting rods on both sides, so that the friction plate presses the friction plate at the bottom end of the slide rod 2.

[0046] A threaded plate 16 is rotatably mounted in the middle of the threaded screw 15. The contact pressure between the friction plate and the friction plate is adjusted by the displacement of the threaded screw 15, thereby achieving dynamic deceleration of the sliding speed of the moving base 3.

[0047] Connecting rods are hinged to both sides of the threaded plate 16, and connecting rods 18 are fixedly installed at the other ends of the two sets of connecting rods. When the second motor 14 drives the threaded screw 15 to rotate, the threaded plate 16 moves along the screw axis due to thread engagement.

[0048] A friction plate is fixedly installed at the other end of the connecting rod 18, and the friction plate is in contact with the friction plate at the bottom of the slide rod 2. The fixed rod 17 and the fixed shaft of the connecting plate form a rigid fulcrum, which constrains the movement trajectory of the connecting rod and ensures that the friction plate is perpendicular to the pressing direction.

[0049] Fixed shafts are fixedly installed on both sides of the connecting plate near the second motor 14;

[0050] A set of fixed rods 17 are hinged to the middle of each of the two sets of connecting rods. The other ends of the two sets of fixed rods 17 are fixedly installed together with the fixed shaft. The connecting rods and fixed rods 17 form a double rocker mechanism, which amplifies the small linear displacement of the threaded plate 16 into a significant downward pressure of the friction plate, thereby enhancing the braking performance.

[0051] Instructions for use

[0052] The drive motor 5 is mounted on one side of the movable base 1, and its output shaft is fixedly connected to the movable wheel 4. When the drive motor 5 is running, it drives the movable wheel 4 to rotate through the output shaft, thereby realizing the longitudinal movement of the entire device. At the same time, the movable wheel 4 is equipped with an arc-shaped friction plate 6, which is linked to the braking mechanism. When braking is required, the braking mechanism can control the arc-shaped friction plate 6 to brake the movable wheel 4. In addition, the ventilation opening of the movable base 1 forms a forced convection channel, which utilizes the chimney effect to dissipate the heat generated by the drive motor 5, ensuring the normal operation of the drive motor 5. The rotating wheels 11 on both sides inside the movable base 3 roll along the upper surface of the I-shaped slide bar 2 under the drive of the first motor 13, realizing the lateral movement of the movable base 3. Four sets of limit wheels 12 are respectively snapped into the upper and lower flanges of the I-shaped structure of the slide bar 2, forming a three-point contact guide to ensure that the movable base 3 will not deviate or overturn during lateral sliding. The braking mechanism consists of a rotating rod 7, a sleeve 8, and a hydraulic telescopic rod 9. When braking of the movable wheel 4 is required, the hydraulic telescopic rod 9 extends and retracts, pushing the sleeve 8 to slide axially along the axis of the movable wheel 4. The linear motion of the sleeve 8 is converted into the radial expansion of the arc-shaped friction plate 6 through the symmetrically hinged rotating rod 7. The arc-shaped friction plate 6 presses outward against the inner wall of the movable wheel 4, achieving braking through friction. The braking force can be precisely controlled by the stroke of the hydraulic telescopic rod 9. The second motor 14 in the deceleration mechanism 10 drives the threaded screw 15 to rotate, causing the threaded plate 16 to move linearly. The threaded plate 16 pushes the connecting rod 18 to rotate around the fulcrum of the fixed rod 17 through the connecting rods on both sides, so that the friction plate presses against the friction plate at the bottom of the sliding rod 2. By adjusting the displacement of the threaded screw 15, the contact pressure between the friction plate and the friction plate can be changed, thereby achieving dynamic deceleration of the lateral sliding speed of the movable base 3 and reducing the swaying of the lifted goods.

[0053] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting trolley turning and moving device, characterized in that, Includes a movable base (1), and the movable base (1) is provided in two sets; The two sets of movable bases (1) are fixed together by a set of sliding rods (2); The slide bar (2) is I-shaped, and a sliding base (3) is provided in the middle of the slide bar (2). A hoist is fixedly installed at the bottom of the sliding base (3), and a set of deceleration mechanisms (10) are provided on both sides of the sliding base (3). Two sets of movable wheels (4) are rotatably installed inside the two sets of movable bases (1), and the movable wheels (4) are equipped with a braking mechanism inside.

2. A mobile device for changing direction of a lifting trolley according to claim 1, characterized in that: A friction plate is fixedly installed at the bottom end of the slide bar (2).

3. The mobile device of claim 1, wherein: Ventilation openings are provided on both sides of the movable base (1), and a set of drive motors (5) are fixedly installed on one side of the movable base (1) corresponding to the two sets of movable wheels (4), and the output shaft of the drive motor (5) is fixedly connected to the movable wheel (4). A circular groove is provided on one side of the movable wheel (4), and a set of arc-shaped friction plates (6) are respectively hinged on both sides of the groove.

4. The crane reversing and moving device according to claim 3, characterized in that: The braking mechanism includes a rotating rod (7), a sleeve (8) and a hydraulic telescopic rod (9). A set of hydraulic telescopic rods (9) are respectively hinged to the inside of the movable base (1) near the rotating shaft of the two sets of movable wheels (4), and the other ends of the two sets of hydraulic telescopic rods (9) are respectively hinged to the sleeves (8). Two sets of sleeves (8) are respectively fitted onto the rotating shafts of two sets of moving wheels (4), and one end of each set of sleeves (8) is rotatably installed together with the inner wall of the moving base (1). Two sets of sleeves (8) are hinged to a set of rotating rods (7) on the side away from the hydraulic telescopic rod (9), and the two sets of rotating rods (7) are symmetrically hinged to the sleeves (8). The other ends of the two sets of rotating rods (7) are hinged to two sets of arc-shaped friction plates (6).

5. The crane reversing and moving device according to claim 1, characterized in that: The sliding base (3) includes a rotating wheel (11), a limiting wheel (12) and a first motor (13). A set of rotating wheels (11) is rotatably installed on both sides inside the sliding base (3), and two sets of limiting wheels (12) are rotatably installed on both sides of the sliding base (3) near the two sets of rotating wheels (11). A first motor (13) is fixedly installed on one side of the sliding base (3) at a set of rotating wheels (11), and the output shaft of the first motor (13) is fixedly connected to the rotating wheels (11).

6. A crane reversing and moving device according to claim 5, characterized in that: The deceleration mechanism (10) includes a second motor (14), a threaded screw (15) and a threaded plate (16). The sliding base (3) is provided with connecting plates on both sides, and the second motor (14) is fixedly installed on one side of the connecting plate. The threaded screw (15) is fixedly installed on the output shaft of the second motor (14). The first motor (13) has a rotating shaft fixedly installed on the side away from the second motor (14), and the other end of the threaded screw (15) is rotatably installed inside the rotating shaft; A threaded plate (16) is rotatably mounted at the middle of the threaded screw (15).

7. A crane reversing and moving device according to claim 6, characterized in that: The threaded plate (16) is hinged to both sides with connecting rods, and the other ends of the two sets of connecting rods are fixedly installed with connecting rods (18). The other end of the connecting rod (18) is fixedly equipped with a friction plate, and the friction plate is in contact with the friction plate at the bottom of the slide rod (2).

8. A crane reversing and moving device according to claim 7, characterized in that: Fixed shafts are fixedly installed on both sides of the connecting plate near the second motor (14); Each of the two sets of connecting rods has a set of fixed rods (17) hinged to its middle section, and the other end of each set of fixed rods (17) is fixedly installed together with a fixed shaft.

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