End beam with buffer device for electric single-beam crane

Abstract

The utility model relates to the technical field of buffer devices, and discloses an electric single-beam crane end beam with a buffer device, which comprises an end beam main body, corner protection brackets are fixedly arranged at corners of the front and rear side surfaces of the end beam main body, anti-collision plates are arranged at the front and rear ends of the end beam main body, and buffer mechanisms are arranged between the end beam main body and the anti-collision plates. Connecting mechanisms are arranged on the left side and the right side of the end beam body, containing grooves are formed in the front side face and the rear side face of the end beam body, positioning grooves are formed in the left side and the right side of each containing groove, and connecting grooves are formed in the side faces, close to each other, of the two anti-collision plates. Local impact force is distributed everywhere, the impact force borne by the end beam body is reduced, the buffer springs contract, the connecting frame and the anti-collision plate are buffered, the two ends of the end beam body are protected, the impact force borne by the end beam body is reduced, and safe use of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of buffer devices, in particular to an end beam for an electric single-beam crane with a buffer device. Background Art

[0002] The crane is generally composed of an end beam and a main beam. The end beam is responsible for movement, and the main beam is responsible for the main lifting work. The end beam moves back and forth on the guide rail to adjust its position.

[0003] When the end beam moves to the end of the guide rail, it cannot brake in time due to inertia, causing the end beam to hit the end of the guide rail, causing damage to the end beam and causing great safety hazards. At the same time, the wheel assemblies on both sides of the end beam are responsible for the movement of the crossbeam and the weight of the materials during the lifting process. Because there are many parts in the wheel assembly that are wearing parts, they need to be regularly repaired and replaced.

[0004] Therefore, an end beam for an electric single-beam crane with a buffer device is proposed. Utility Model Content

[0005] The utility model aims to provide an end beam for an electric single-beam crane with a buffer device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an end beam for an electric single-beam crane with a buffer device, comprising an end beam body, wherein protective angle brackets are fixedly arranged at the front and rear corners of the end beam body, anti-collision plates are arranged at the front and rear ends of the end beam body, a buffer mechanism is arranged between the end beam body and the anti-collision plate, and connecting mechanisms are arranged on the left and right sides of the end beam body;

[0007] The front and rear sides of the end beam body are provided with placement grooves, the left and right sides of the placement groove are provided with positioning grooves, and the adjacent sides of the two anti-collision plates are provided with connecting grooves;

[0008] The buffer mechanism comprises a buffer portion and a connecting portion;

[0009] The connecting mechanism comprises a placing portion and a positioning portion.

[0010] Preferably, the buffer part includes a connecting frame, two of which are arranged at the front and rear ends, the two connecting frames are fixedly connected to the anti-collision plate at the far ends thereof, a fixing plate is provided at the other end of the connecting frame, the fixing plate is fixedly connected to the inner wall of the placement groove, and a fixing rod is fixedly arranged at the far ends of the two fixing plates, and the other end of the fixing rod passes through the connecting frame and is slidably connected to the connecting frame.

[0011] Preferably, a buffer spring is sleeved on the outer side surface of the fixing rod, and the front and rear ends of the buffer spring are respectively fixedly connected to the adjacent connecting frame and the adjacent fixing plate.

[0012] Preferably, the two anti-collision plates are arc-shaped surfaces away from each other.

[0013] Preferably, the connecting part includes a first connecting rod, a connecting seat is arranged behind the first connecting rod, the first connecting rod is hinged to the connecting seat, the connecting seat is fixedly connected to the inner wall of the placement groove, and the other end of the first connecting rod is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove.

[0014] Preferably, the placement portion includes wheel components, which are evenly arranged on the front and rear sides of the end beam body, and a second connecting rod is fixedly arranged between the front and rear two wheel components, and the second connecting rod is located inside the positioning groove and is slidably connected to the positioning groove.

[0015] Preferably, the positioning portion includes a positioning baffle, which is located inside the end beam body and fixedly connected to the inner wall of the end beam body. A through groove is opened on the side of the positioning baffle, and a limiting cylinder is arranged on the side of the positioning baffle. The limiting cylinder is sleeved on the outer side of the end beam body, and a limiting plate is fixedly arranged inside the limiting cylinder. The right end of the limiting plate passes through the through groove and is slidably connected to the inner wall of the through groove.

[0016] Preferably, a fixing bolt is arranged on the outside of the limiting cylinder, and the limiting cylinder and the end beam body are connected by the fixing bolt.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the end beam for an electric single-beam crane with a buffer device,

[0018] 1) By using the arc-shaped slope of the anti-collision plate, the local impact force is distributed to various places, reducing the impact force on the end beam body. The buffer spring contracts to buffer the connecting frame and the anti-collision plate, protect both ends of the end beam body, reduce the impact force on the end beam body, and improve the safe use of the device.

[0019] 2) Fix the limit cylinder to the left and right ends of the end beam body by fixing bolts to limit the wheel parts in the positioning groove. The fixation is simple and convenient for regular maintenance and replacement of the wheel parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the main body of the end beam of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the buffer mechanism of the utility model;

[0023] Figure 4 This is an exploded view of the first connecting rod and the connecting seat of the utility model;

[0024] Figure 5 It is a cross-sectional view of the limiting cylinder of the utility model.

[0025] In the figure: 1 end beam body, 2 protection angle frame, 3 anti-collision plate, 4 buffer mechanism, 41 connecting frame, 42 fixing plate, 43 fixing rod, 44 buffer spring, 45 first connecting rod, 46 connecting seat, 5 connecting mechanism, 51 wheel part, 52 second connecting rod, 53 positioning baffle, 54 limiting cylinder, 55 limiting plate, 6 fixing bolts. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1: Please refer to Figure 1-Figure 5 The utility model provides a technical solution: an end beam for an electric single-beam crane with a buffer device, comprising an end beam body 1, protective angle brackets 2 are fixedly arranged at the front and rear corners of the end beam body 1, anti-collision plates 3 are arranged at the front and rear ends of the end beam body 1, a buffer mechanism 4 is arranged between the end beam body 1 and the anti-collision plate 3, and a connecting mechanism 5 is arranged on the left and right sides of the end beam body 1;

[0028] The front and rear sides of the end beam body 1 are provided with placement grooves, the left and right sides of the placement groove are provided with positioning grooves, and the two anti-collision plates 3 are provided with connecting grooves on the sides close to each other;

[0029] The buffer mechanism 4 includes a buffer portion and a connecting portion;

[0030] The connecting mechanism 5 includes a placing portion and a positioning portion.

[0031] The buffer part includes a connecting frame 41, two connecting frames 41 are arranged at the front and rear, the two connecting frames 41 are fixedly connected to the anti-collision plate 3 at the far ends thereof, a fixing plate 42 is arranged at the other end of the connecting frame 41, the fixing plate 42 is fixedly connected to the inner wall of the placement groove, and a fixing rod 43 is fixedly arranged at the far ends of the two fixing plates 42, and the other end of the fixing rod 43 penetrates the connecting frame 41 and is slidably connected to the connecting frame 41;

[0032] A buffer spring 44 is sleeved on the outer side of the fixing rod 43, and the front and rear ends of the buffer spring 44 are respectively fixedly connected to the adjacent connecting frame 41 and the adjacent fixing plate 42;

[0033] The two anti-collision plates 3 are arc-shaped surfaces away from the side surfaces;

[0034] The connecting part includes a first connecting rod 45, a connecting seat 46 is arranged behind the first connecting rod 45, the first connecting rod 45 is hinged to the connecting seat 46, the connecting seat 46 is fixedly connected to the inner wall of the placement groove, and the other end of the first connecting rod 45 is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove;

[0035] The placement part includes a wheel member 51, which is evenly arranged on the front and rear sides of the end beam body 1, and a second connecting rod 52 is fixedly arranged between the front and rear two wheel members 51, and the second connecting rod 52 is located inside the positioning groove and is slidably connected to the positioning groove;

[0036] Furthermore, when the end beam body 1 of the present embodiment is impacted, the anti-collision plate 3 moves inward, driving the connecting frame 41 to move, and the buffer spring 44 contracts to buffer the connecting frame 41 and the anti-collision plate 3;

[0037] Furthermore, in this embodiment, the anti-collision plate 3 is an arc-shaped inclined surface, so that the local impact force is distributed to various places, thereby reducing the impact force on the end beam body 1, and the buffer spring 44 contracts to buffer the connecting frame 41 and the anti-collision plate 3, thereby protecting both ends of the end beam body 1, reducing the impact force on the end beam body 1, and improving the safe use of the device;

[0038] Example 2: Please refer to Figure 1-Figure 5 , and on the basis of the first embodiment, it is further obtained that: the positioning part includes a positioning baffle 53, the positioning baffle 53 is located inside the end beam body 1 and is fixedly connected to the inner wall of the end beam body 1, a through groove is opened on the side of the positioning baffle 53, a limiting cylinder 54 is arranged on the side of the positioning baffle 53, the limiting cylinder 54 is sleeved on the outer side of the end beam body 1, a limiting plate 55 is fixedly arranged inside the limiting cylinder 54, and the right end of the limiting plate 55 passes through the through groove and is slidably connected to the inner wall of the through groove;

[0039] A fixing bolt 6 is arranged outside the limiting cylinder 54, and the limiting cylinder 54 and the end beam body 1 are connected by the fixing bolt 6;

[0040] Furthermore, in this embodiment, the wheel member 51 is placed in the positioning groove. Under the influence of gravity, the wheel member 51 moves to the lowest end of the positioning groove, and the limiting cylinder 54 is moved to make the limiting plate 55 engage with the through groove in the positioning baffle 53.

[0041] Furthermore, in this embodiment, the limiting cylinder 54 is fixed to the left and right ends of the end beam body 1 by fixing bolts 6 to limit the wheel component 51 in the positioning groove. The fixing is simple and it is convenient to regularly maintain and replace the wheel component 51.

[0042] During use, when the end beam body 1 is hit, the anti-collision plate 3 is an arc-shaped inclined surface, which distributes the local impact force to various places, thereby reducing the impact force on the end beam body 1. At the same time, the anti-collision plate 3 moves inward, driving the connecting frame 41 to move, and the buffer spring 44 contracts to buffer the connecting frame 41 and the anti-collision plate 3, thereby protecting both ends of the end beam body 1, reducing the impact force on the end beam body 1, and improving the safe use of the device. The wheel component 51 is placed in the positioning groove. Under the influence of gravity, the wheel component 51 moves to the lowest end of the positioning groove, and the limiting cylinder 54 is moved to make the limiting plate 55 engage with the through groove in the positioning baffle 53. The limiting cylinder 54 is fixed to the left and right ends of the end beam body 1 by the fixing bolts 6, and the wheel component 51 in the positioning groove is limited. The fixing is simple, and it is convenient to perform regular maintenance and replacement of the wheel component 51.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An end beam for an electric single-beam crane with a buffer device, comprising an end beam body (1), characterized in that: Protection angle frames (2) are fixedly arranged at the front and rear side corners of the end beam body (1); anti-collision plates (3) are arranged at the front and rear ends of the end beam body (1); a buffer mechanism (4) is arranged between the end beam body (1) and the anti-collision plate (3); and connection mechanisms (5) are arranged on the left and right sides of the end beam body (1); The front and rear sides of the end beam body (1) are provided with placement grooves, the left and right sides of the placement groove are provided with positioning grooves, and the adjacent sides of the two anti-collision plates (3) are provided with connection grooves; The buffer mechanism (4) comprises a buffer portion and a connecting portion; The connecting mechanism (5) comprises a placement portion and a positioning portion.

2. The end beam for an electric single-beam crane with a buffer device according to claim 1, characterized in that: The buffer portion comprises a connecting frame (41), wherein two connecting frames (41) are arranged at the front and rear ends, and the two connecting frames (41) are fixedly connected to the anti-collision plate (3) at their ends away from each other, and a fixing plate (42) is provided at the other end of the connecting frame (41), and the fixing plate (42) is fixedly connected to the inner wall of the placement groove, and fixing rods (43) are fixedly arranged at the ends away from each other of the two fixing plates (42), and the other end of the fixing rod (43) penetrates the connecting frame (41) and is slidably connected to the connecting frame (41).

3. The end beam for an electric single-beam crane with a buffer device according to claim 2, characterized in that: A buffer spring (44) is sleeved on the outer side of the fixing rod (43), and the front and rear ends of the buffer spring (44) are respectively fixedly connected to the adjacent connecting frame (41) and the adjacent fixing plate (42).

4. The end beam for an electric single-beam crane with a buffer device according to claim 1, characterized in that: The two anti-collision plates (3) are arc-shaped surfaces that are away from each other.

5. The end beam for an electric single-beam crane with a buffer device according to claim 1, characterized in that: The connecting portion comprises a first connecting rod (45), a connecting seat (46) is arranged behind the first connecting rod (45), the first connecting rod (45) is hinged to the connecting seat (46), the connecting seat (46) is fixedly connected to the inner wall of the placement groove, and the other end of the first connecting rod (45) is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove.

6. The end beam for an electric single-beam crane with a buffer device according to claim 1, characterized in that: The placement portion comprises a wheel component (51), the wheel components (51) being evenly arranged on the front and rear sides of the end beam body (1), a second connecting rod (52) being fixedly arranged between the front and rear two wheel components (51), the second connecting rod (52) being located inside the positioning groove and slidably connected to the positioning groove.

7. The end beam for an electric single-beam crane with a buffer device according to claim 1, characterized in that: The positioning portion comprises a positioning baffle (53), the positioning baffle (53) being located inside the end beam body (1) and fixedly connected to the inner wall of the end beam body (1), a through slot being provided on the side of the positioning baffle (53), a limiting cylinder (54) being provided on the side of the positioning baffle (53), the limiting cylinder (54) being sleeved on the outer side of the end beam body (1), a limiting plate (55) being fixedly provided inside the limiting cylinder (54), the right end of the limiting plate (55) passing through the through slot and being slidably connected to the inner wall of the through slot.

8. The end beam for an electric single-beam crane with a buffer device according to claim 7, characterized in that: A fixing bolt (6) is provided on the outside of the limiting cylinder (54), and the limiting cylinder (54) and the end beam body (1) are connected via the fixing bolt (6).

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