Rotatable hoisting and unloading beam

Abstract

The utility model relates to a rotatable hoisting and unloading beam. Comprising hoisting trolleys hung below a track, and the hoisting trolleys are fixedly connected with supporting beams through chains. The supporting beam is connected with a swing mechanism, the swing mechanism is connected with a grabbing beam, and the grabbing beam horizontally rotates with the swing mechanism as the circle center. Two clamping legs are symmetrically arranged at the two ends, in the extending direction of the track, of the grabbing beam, the fixed ends of the two clamping legs are both connected with telescopic rods, and the clamping ends of the two clamping legs move in the opposite or opposite directions through stretching and retracting of the telescopic rods. The grabbing beam rotates through rotation of the swing mechanism, and then the two clamping leg rotating cylinders are driven, so that the lifting device can adapt to the lifting point position of a lifted object, the lifted object is clamped through the telescopic rod, the rapid and safe dispatching task is achieved, and the lifting device adapts to more working environments.

Description

Technical Field

[0001] The present application relates to the technical field of lifting and unloading beams, and in particular to a rotatable lifting and unloading beam. Background Art

[0002] The explosion-proof diesel engine monorail crane locomotive for coal mines is an auxiliary transportation equipment used in coal mines. Its working efficiency and service life are very important. The unloading beam is an indispensable supporting equipment for the lifting beam, which is used for the transportation of mining equipment or auxiliary materials, especially the transportation of regular objects such as steel plates and belts. The lifting beams and unloading beams of traditional design can only be hung with chains manually, and there is no rotation function. It is difficult to rotate materials such as steel plates and place them on the ground or when there is a certain angle between the hoisted object and the unloading beam. It is necessary to put down the hoisted object first, and then use other equipment to rotate it. Some of them rotate during the process below, which has a relatively high risk factor and is an illegal operation. Utility Model Content

[0003] In order to solve the problems raised in the background technology, the purpose of the present application is to provide a rotatable lifting and unloading beam. It includes a lifting trolley suspended under the track, and the lifting trolley is fixedly connected to the support beam through a chain. The support beam is connected to a slewing mechanism, and the slewing mechanism is connected to a grabbing beam, and the grabbing beam rotates horizontally with the slewing mechanism as the center of the circle. Two clamping legs are symmetrically provided at both ends of the grabbing beam along the extension direction of the track, and the fixed ends of the two clamping legs are connected to telescopic rods, and the clamping ends of the two clamping legs move in relative or opposite directions through the extension and contraction of the telescopic rod.

[0004] Preferably, there are two lifting trolleys, the two lifting trolleys are connected by a connecting rod, and the two lifting trolleys are both rotatably connected to the connecting rod.

[0005] Preferably, the lifting trolley includes a hydraulic hoist and a chain bag, the hydraulic hoist is connected to the chain transmission, and the chain bag is arranged under the hydraulic hoist to collect scattered chains.

[0006] Preferably, the two lifting trolleys are symmetrically connected to the two ends of the support beam along the extension direction of the track through chains, and the slewing mechanism is arranged at the middle position of the support beam along the extension direction of the track.

[0007] Preferably, the telescopic rods are symmetrically arranged on both sides of the middle portion of the grabbing beam along the extension direction of the track.

[0008] Preferably, the telescopic rod is a hydraulic cylinder, and the slewing mechanism is connected to a hydraulic motor.

[0009] Preferably, the hydraulic cylinder is provided with a hydraulic lock.

[0010] Preferably, the clamping leg is rotatably connected to the grabbing beam to form a lever structure, and the fixed end of the clamping leg is rotatably connected to the telescopic rod.

[0011] In summary, this application includes the following beneficial technical effects:

[0012] (1) The gripping beam can be rotated horizontally through the slewing mechanism, thereby controlling the gripping angle of the clamping legs, reducing the position adjustment of the object to be gripped, enabling the present utility model to adapt to the lifting point position of the object to be lifted, clamping the object to be lifted through the telescopic rod, achieving fast and safe lifting tasks, and adapting to more working environments;

[0013] (2) Both clamping legs are controlled by their respective telescopic rods, enabling the two clamping legs to load and unload goods on an inclined ground. Description of the Drawings

[0014] Figure 1 is a perspective view of the present utility model;

[0015] Figure 2 is the front view of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the gripping beam.

[0017] Description of the Reference Numerals in the Drawings:

[0018] 1, lifting trolley; 101, hydraulic hoist; 102, chain sling; 2, chain; 3, support beam; 4, slewing mechanism; 5, gripping beam; 6, telescopic rod; 601, hydraulic lock; 7, clamping leg; 8, connecting rod. Detailed Embodiment

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present utility model.

[0020] Next, in conjunction with the attached Figures 1-3 The present application will be further described in detail. The embodiment of the present application discloses a rotatable lifting beam. It includes a lifting trolley 1 suspended under the track. The lifting trolleys 1 are fixedly connected to a support beam 3 through chains 2. To improve the pulling force, there are two lifting trolleys 1. The two lifting trolleys 1 are symmetrically connected to both ends of the support beam 3 along the extending direction of the track through chains 2 respectively, for keeping the pulling force applied to the support beam 3 through the chains 2 balanced. Further, the two lifting trolleys 1 are connected by a connecting rod 8. The two lifting trolleys 1 are rotatably connected to the connecting rod 8. Through the connection of the connecting rod 8, the integrity of the two lifting trolleys 1 is better, and through the rotatable connection, the two lifting trolleys 1 can provide a certain degree of turning freedom when entering a curved track.

[0021] The support beam 3 is connected with a slewing mechanism 4, and the slewing mechanism 4 is connected with a grabbing beam 5. The grabbing beam 5 rotates horizontally with the slewing mechanism 4 as the center. Specifically, the slewing support of the slewing mechanism 4 is fixedly connected to the support beam 3, and the end face of the slewing mechanism 4 is fixedly connected to the grabbing beam 5. The slewing mechanism 4 is located in the middle of the support beam 3 along the extension direction of the track, so that the force on the support beam 3 is more uniform. The grabbing beam 5 is located below the support beam 3, so that the rotation angle of the grabbing beam 5 is larger, preventing the clamping leg 7 from being blocked by the support beam 3 when the grabbing beam 5 rotates.

[0022] Two clamping legs 7 are symmetrically provided at both ends of the grabbing beam 5 along the extension direction of the track, and the fixed ends of the two clamping legs 7 are connected to telescopic rods 6, and the clamping ends of the two clamping legs 7 move in relative or opposite directions through the extension and contraction of the telescopic rods 6. Specifically, the fixed ends of the clamping legs 7 are rotatably connected to the grabbing beam 5 at positions near the ends to form a lever structure, and the telescopic rods 6 are rotatably connected to the fixed top end. The telescopic movement of the telescopic rods 6 drives the clamping legs 7 to rotate around the connection point between the clamping legs 7 and the grabbing beam 5, so that the clamping ends of the two clamping legs 7 move in relative or opposite directions. Furthermore, by separately controlling the hydraulic hoists 101 of the two lifting trolleys 1 and the two telescopic rods 6, the clamping legs 7 can clamp the target object on the inclined ground.

[0023] The telescopic rod 6 is symmetrically arranged on both sides of the middle part of the grabbing beam 5 along the extension direction of the track to save space, and the telescopic rod 6 is rotatably connected to the grabbing beam 5 so that the telescopic end of the telescopic rod 6 can have a certain degree of lifting freedom when moving in coordination with the clamping leg 7.

[0024] The lifting trolley 1 includes a hydraulic hoist 101 and a chain bag 102. The hydraulic hoist 101 is connected to the chain 2 by transmission. The hydraulic hoist 101 controls the extension and retraction of the chain 2 and thus controls the distance between the grabbing beam 5 and the track. The chain bag 102 is used to collect the chain 2 to prevent the chain 2 from being scattered and is usually arranged below the hydraulic hoist 101 and away from the side of the chain 2 with tension.

[0025] In this embodiment, the slewing mechanism 4 is connected to a hydraulic motor, and the telescopic rod 6 is a hydraulic cylinder, so that the slewing mechanism 4 and the telescopic rod 6 can be connected to the same hydraulic control system together with the hydraulic hoist 101 in the lifting trolley 1, so as to facilitate the same control. Furthermore, the hydraulic cylinder is provided with a hydraulic lock 601, which is used to lock the clamping leg 7 in a clamping state.

[0026] Working principle: The hoisting trolley 1 moves to the grasping position. The hydraulic hoist 101 controls the telescopic movement of the chain 2 to raise and lower the bearing beam 3 to an appropriate position. The telescopic rod 6 extends to control the two clamping legs 7 to move in opposite directions so that the two clamping legs 7 clamp the target. The rotary mechanism 4 rotates to make the grasping beam 5 rotate, and then the two clamping legs 7 rotate. After reaching the target position, the hydraulic hoist 101 controls the bearing beam 3 to be raised and lowered to an appropriate position, and the telescopic rod 6 contracts to make the two clamping legs move in opposite directions, so as to realize the release of the target.

[0027] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units. They may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0028] In this application, unless otherwise clearly specified and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

[0029] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solution of this application and the concept of this application, and all such changes or substitutions should fall within the protection scope of the claims attached to this application.

Claims

1. A rotatable lifting beam, characterized in that: The invention comprises a lifting trolley (1) suspended under a track, wherein the lifting trolley (1) is fixedly connected to a support beam (3) via a chain (2), the support beam (3) is connected to a slewing mechanism (4), the slewing mechanism (4) is connected to a grabbing beam (5), the grabbing beam (5) rotates horizontally with the slewing mechanism (4) as the center, and two clamping legs (7) are symmetrically provided at both ends of the grabbing beam (5) along the extension direction of the track, the fixed ends of the two clamping legs (7) are connected to a telescopic rod (6), and the clamping ends of the two clamping legs (7) move in relative or opposite directions through the extension and contraction of the telescopic rod (6).

2. The rotatable lifting beam according to claim 1, characterized in that: There are two lifting trolleys (1), and the two lifting trolleys (1) are connected via a connecting rod (8), and both of the two lifting trolleys (1) are rotatably connected to the connecting rod (8).

3. The rotatable lifting beam according to claim 2, characterized in that: The lifting trolley (1) comprises a hydraulic hoist (101) and a chain bag (102); the hydraulic hoist (101) is in transmission connection with the chain (2); and the chain bag (102) is arranged below the hydraulic hoist (101) and is used to collect scattered chains (2).

4. The rotatable lifting beam according to claim 2, characterized in that: The two lifting trolleys (1) are symmetrically connected to the two ends of the support beam (3) along the extension direction of the track through the chains (2), and the slewing mechanism (4) is arranged at a middle position of the support beam (3) along the extension direction of the track.

5. The rotatable lifting beam according to claim 1, characterized in that: The telescopic rods (6) are symmetrically arranged on both sides of the middle of the grabbing beam (5) along the extension direction of the track.

6. The rotatable lifting beam according to claim 5, characterized in that: The telescopic rod (6) is a hydraulic cylinder, and the slewing mechanism (4) is connected to a hydraulic motor.

7. The rotatable lifting beam according to claim 6, characterized in that: The hydraulic cylinder is provided with a hydraulic lock (601).

8. The rotatable lifting beam according to claim 1, characterized in that: The clamping leg (7) is rotatably connected to the grabbing beam (5) to form a lever structure, and the fixed end of the clamping leg (7) is rotatably connected to the telescopic rod (6).

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