Walking end beam anti-collision device of unmanned crane

Abstract

The utility model discloses a walking end beam anti-collision device of an unmanned crane, which comprises a mounting plate, a spring telescopic rod is fixedly mounted on the edge of the front surface of the mounting plate, the tail end of the spring telescopic rod is fixedly connected with the back surface of a buffer plate, a limiting groove is formed in the front surface of the mounting plate, and a track rod is fixedly mounted in the limiting groove. A movable plate is installed on the track rod, a buffer spring is fixed to one side of the movable plate, the tail end of the buffer spring is fixedly installed on the inner wall of the limiting groove, a buffer rod is installed on the movable plate, and the tail end of the buffer rod is rotationally connected with the middle of the back face of the buffer plate. According to the walking end beam anti-collision device of the unmanned crane, the novel structural design is adopted, collision is efficiently buffered through cooperation of the transverse mechanism, the longitudinal mechanism and the rotating mechanism, the installation number and the installation positions of the expansion plates, the buffering rolling wheels and the buffering sleeve gaskets can be conveniently and rapidly adjusted according to the actual use condition, and the applicability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoist, concretely is a walking end beam anti -collision device of unmanned hoist. BACKGROUND

[0002] The walking end of the hoist is an important component of the hoist, which is responsible for supporting the weight of the hoist and realizing the walking and moving functions of the hoist, and a collision protection mechanism needs to be installed thereon to protect the walking end beam and the equipment thereon.

[0003] The existing walking end beam anti-collision device of unmanned hoist, such as the one named a walking end beam anti-collision device of unmanned hoist with publication number CN214359808U, includes a buffer baffle, first sliding grooves are formed on both sides of the inner wall of the buffer baffle, a buffer plate is slidably connected between the two first sliding grooves, a return spring is fixedly connected between the outer wall of the buffer plate and the inner wall of the buffer baffle, and multiple return springs are provided. This patent scheme only relies on the elastic force of the return spring and the buffer sleeve pad itself for buffering, and the buffering effect is limited. Moreover, the so-called adjusting structure is only to adjust the relative position of the first fixed plate and the second fixed plate, to change the distance between the two sets of buffer rollers and the buffer sleeve pad, without increasing the number of buffer rollers and buffer sleeve pads or the contact area with the possible collision structure, so the actual use effect is poor, and the applicability is also poor. Therefore, it is necessary to design a walking end beam anti-collision device of unmanned hoist in view of the above problems. SUMMARY

[0004] The utility model aims at providing a walking end beam anti-collision device of unmanned hoist to solve the problem of limited buffering effect, poor actual use effect, and poor applicability of the existing device in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a walking end beam anti-collision device of unmanned hoist, including the mounting plate, the mounting plate front edge fixed installation has the spring telescopic link, the spring telescopic link tail end and the buffer plate back surface connection fixed, the mounting plate front face is equipped with the limit slot, the limit slot is fixedly installed in the track bar, the track bar is installed on the movable plate, the movable plate one side is fixed with buffer spring, the buffer spring tail end is fixedly installed on the limit slot inner wall, the movable plate is installed with the buffer rod, the buffer rod tail end and the buffer plate back surface middle part rotation connection, the buffer plate top surface and bottom surface rear side is equipped with the installation slot, the installation slot inner wall and the extension plate tail end fit, the buffer plate top surface and bottom surface front side is equipped with the track slot, the track slot is installed with the locking bolt, the locking bolt is installed with the locking nut, the locking bolt passes through the hole that the extension plate horizontal part sets up and is equipped with the buffer roller, the buffer roller is installed with the buffer sleeve pad.

[0006] Preferably, the mounting plate top and bottom are symmetrically provided with mounting windows, and the mounting windows are equidistantly distributed.

[0007] Preferably, the spring telescopic rods are symmetrically distributed about the mounting plate front top and bottom, and the spring telescopic rods are horizontally equidistantly distributed.

[0008] Preferably, the movable plates and buffer springs are symmetrically distributed about the track rod center, the movable plates are in sliding connection with the track rod, and the track rod is equidistantly distributed.

[0009] Preferably, the buffer rods are symmetrically distributed about the mounting plate center, and the buffer rods are equidistantly distributed in the horizontal direction.

[0010] Preferably, the end of the expansion plate is provided in a "J" shape, and the end of the expansion plate is in sliding connection with the mounting groove.

[0011] Preferably, the locking bolts are symmetrically distributed about the expansion plate center, the locking bolts are in sliding connection with the track groove, and the track groove is in a "T" shape in side view.

[0012] Preferably, the buffer rollers are equidistantly distributed on the front of the expansion plate, and the inner side of the expansion plate is tightly attached to the surface of the buffer plate.

[0013] Compared with the prior art, the walking end beam anti-collision device of the unmanned crane has the advantages that: the novel structure design is adopted, the collision is efficiently buffered through the cooperation of the horizontal, vertical and rotating mechanisms, the installation number and position of the expansion plate, the buffer roller and the buffer sleeve pad can be conveniently adjusted according to the actual use condition, and the applicability is greatly improved.

[0014] 1. The expansion plate end and the locking bolt can be conveniently installed, disassembled and horizontally slidably adjusted in position through the track groove and the mounting groove, the installation number of the buffer roller can be conveniently adjusted according to the actual possible collision intensity, and the applicability of the device as a whole is improved.

[0015] 2. When the buffer roller, the expansion plate and the buffer plate are impacted, the spring telescopic rod is compressed, the symmetrically distributed buffer rods are simultaneously rotated and opened, the buffer rods push the movable plate to slide away along the track rod and compress the buffer spring, and efficient buffering and force relief are realized through the cooperation of the horizontal, vertical and rotating mechanisms. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 It is the side view sectional structure schematic view of the utility model;

[0019] Figure 4 It is the top view structure schematic view of the utility model;

[0020] Figure 5 It is the top view sectional structure schematic view of the utility model.

[0021] In the drawing: 1, mounting plate; 2, installation window; 3, spring telescopic rod; 4, buffer plate; 5, limiting groove; 6, track bar; 7, movable plate; 8, buffer spring; 9, buffer rod; 10, installation slot; 11, expansion plate; 12, track slot; 13, locking bolt; 14, locking nut; 15, buffer roller; 16, buffer sleeve pad. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: the walking end beam anti-collision device of unmanned crane, including mounting plate 1, installation window 2, spring telescopic rod 3, buffer plate 4, limiting groove 5, track bar 6, movable plate 7, buffer spring 8, buffer rod 9, installation slot 10, expansion plate 11, track slot 12, locking bolt 13, locking nut 14, buffer roller 15 and buffer sleeve pad 16, spring telescopic rod 3 is fixedly installed in mounting plate 1 front edge, spring telescopic rod 3 end is connected with the back of buffer plate 4 fixedly, limiting groove 5 is set in the front of mounting plate 1, track bar 6 is fixedly installed in limiting groove 5, movable plate 7 is installed on track bar 6, buffer spring 8 is fixedly installed on the inner wall of limiting groove 5 in movable plate 7 one side, buffer rod 9 is installed on movable plate 7, buffer rod 9 end is rotatably connected with the middle part of the back of buffer plate 4, installation slot 10 is set in the top surface and the bottom surface of the front side of buffer plate 4, the inner wall of installation slot 10 is pasted with the end of expansion plate 11, track slot 12 is set in the top surface and the bottom surface of the front side of buffer plate 4, locking bolt 13 is installed in track slot 12, locking nut 14 is installed on locking bolt 13, locking bolt 13 passes through the hole of the horizontal part of expansion plate 11, buffer roller 15 is rotatably installed on the front of expansion plate 11, buffer sleeve pad 16 is installed on buffer roller 15.

[0024] The top and bottom of the mounting plate 1 of the example are symmetrically provided with mounting windows 2, which are equally spaced, and the above structure design facilitates the connection and fixation of the device as a whole with the unmanned crane at a suitable position.

[0025] The spring telescopic rods 3 are symmetrically distributed about the top and bottom of the front of the mounting plate 1, and the spring telescopic rods 3 are horizontally and equally spaced, and the above structure design enables the spring telescopic rods 3 to evenly disperse the impact received by the buffer plate 4.

[0026] The movable plates 7 and the buffer springs 8 are symmetrically distributed about the center of the track rod 6, the movable plates 7 are in sliding connection with the track rod 6, and the track rod 6 is equally spaced, and the above structure design enables the movable plates 7 to stably and linearly slide along the track rod 6 and compress the buffer springs 8 to unload and buffer.

[0027] The buffer rods 9 are symmetrically distributed about the center of the mounting plate 1, and the buffer rods 9 are horizontally and equally spaced, and the equally spaced groups of movable plates 7, buffer springs 8 and buffer rods 9 can effectively weaken the impact force and have a buffering protection effect.

[0028] The end of the expansion plate 11 is provided in a "J" shape, the end of the expansion plate 11 is in sliding connection with the mounting slot 10, and the above structure design enables the end of the expansion plate 11 to stably fit with the mounting slot 10, thereby ensuring the installation, disassembly and sliding adjustment of the working position of the expansion plate 11.

[0029] The locking bolts 13 are symmetrically distributed about the center of the expansion plate 11, the locking bolts 13 are in sliding connection with the track slot 12, and the side view shape of the track slot 12 is a "T" shape, and the above structure design enables the locking bolts 13 not to be longitudinally separated from the track slot 12 and enables the locking bolts 13 to linearly slide and adjust the working position along the track slot 12.

[0030] The buffer rollers 15 are equally spaced on the front of the expansion plate 11, the inner side of the expansion plate 11 is closely fitted with the surface of the buffer plate 4, and the above structure design enables the expansion plate 11 to be stably and connected with the buffer plate 4, and the multiple buffer rollers 15 can be in large-area contact with the collision surface, thereby having a better buffering protection effect.

[0031] Working principle: when the device is used, the appropriate number of expansion plates 11 is selected according to the environmental conditions in which the collision may occur, the end of the expansion plate 11 and the end of the locking bolt 13 are respectively aligned with the end opening of the mounting slot 10 and the end opening of the track slot 12, the end of the expansion plate 11 is horizontally pushed into the mounting slot 10, the locking bolt 13 is slid into the track slot 12, the number and horizontal working position of the expansion plate 11 are adjusted, the locking nut 14 is rotated to press the expansion plate 11 and the buffer plate 4 to be fixed, and the device as a whole is installed at a suitable position of the unmanned crane by using a connecting tool through the mounting window 2.

[0032] When the collision occurs, the plurality of buffer rollers 15 and the buffer sleeve pads 16 are in large-area contact with the impact surface, effectively weakening the impact force, the buffer plate 4 is extruded to displace the compression spring telescopic rod 3, at the same time, the buffer plate 4 extrudes the buffer rod 9 to rotate and open, the buffer rod 9 pushes the movable plate 7 along the track rod 6, and the movable plate 7 is in linear sliding displacement along the inner side surface of the limiting groove 5 and compresses the buffer spring 8, so that effective impact buffering protection is realized, which is the working principle of the walking end beam anti-collision device of the unmanned crane.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A collision-preventing device for a walking end beam of an unmanned crane, comprising a mounting plate (1), characterized in that: The mounting plate (1) front edge fixedly mounted with spring telescopic rod (3), the spring telescopic rod (3) end and the back of the buffer plate (4) are connected and fixed, the mounting plate (1) front is provided with a limiting slot (5), the limiting slot (5) is fixedly installed with track bar (6), the track bar (6) is installed with movable plate (7), the movable plate (7) one side is fixed with buffer spring (8), the buffer spring (8) end is fixedly installed on the inner wall of limiting slot (5), the movable plate (7) is installed with buffer bar (9), the buffer bar (9) end and the back of the buffer plate (4) middle part are rotatably connected, the buffer plate (4) top surface and bottom surface rear side is provided with mounting slot (10), the mounting slot (10) inner wall and the end of the expansion plate (11) are pasted, the buffer plate (4) top surface and bottom surface front side is provided with track slot (12), the track slot (12) is installed with locking bolt (13), the locking bolt (13) is installed with locking nut (14), the locking bolt (13) penetrates the hole of the horizontal part of the expansion plate (11) and is provided with a hole, the expansion plate (11) front rotatably mounted with buffer roller (15), the buffer roller (15) is installed with buffer sleeve pad (16).

2. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The mounting plate (1) top and bottom are symmetrically provided with mounting window (2), and the mounting window (2) is equidistantly distributed.

3. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The spring telescopic rod (3) is symmetrically distributed about the front top and bottom of the mounting plate (1), and the spring telescopic rod (3) is horizontally and equidistantly distributed.

4. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The movable plate (7) and the buffer spring (8) are symmetrically distributed about the center of the track bar (6), the movable plate (7) and the track bar (6) are slidably connected, and the track bar (6) is equidistantly distributed.

5. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The buffer bar (9) is symmetrically distributed about the center of the mounting plate (1) up and down, and the buffer bar (9) is equidistantly distributed in the horizontal direction.

6. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The end of the expansion plate (11) is provided with a "J" shape, and the end of the expansion plate (11) is slidably connected with the mounting slot (10).

7. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The locking bolt (13) is symmetrically distributed about the center of the expansion plate (11), the locking bolt (13) and the track slot (12) are slidably connected, and the side view shape of the track slot (12) is "T" shape.

8. The walking end beam anti-collision device of the unmanned crane according to claim 1, characterized in that: The buffer roller (15) is equidistantly distributed on the front of the expansion plate (11), and the inner side of the expansion plate (11) is closely attached to the surface of the buffer plate (4).

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