CN210636485U - Electric bucket door buffer device - Google Patents

Abstract

The utility model discloses an electric bucket door buffer, including the bucket body, a plurality of bucket teeth of one side outer wall top fixedly connected with of bucket body, the bucket body is close to bottom department symmetry with the outer wall that the bucket tooth is relative and is provided with two rotation pieces, the top symmetry that the lateral wall of bucket body is located two rotation pieces is provided with two friction disc buffers, two the equal fixedly connected with support arm of outer wall of rotation piece, two the one end of friction disc buffer respectively with the department of buckling fixed connection of two support arms, two the same bucket door of the common fixedly connected with of outer wall of support arm, two spuds of the outer wall bilateral symmetry fixedly connected with of bucket door. The utility model discloses in through setting up the buffer gear who forms by buffer block and spring damper combination, produced impact force when can the effective absorption sluice gate closes under the action of gravity has avoided the deformation of sluice gate and bucket body to damage even, has prolonged the life of equipment.

Description

Electric bucket door buffer device

Technical Field

The utility model relates to a mining equipment field especially relates to an electric bucket door buffer.

Background

The WK-35 electric shovel produced by the Taiyuan heavy machinery group is the main equipment of a large open mine in China, brings high efficiency, and brings high maintenance cost to enterprises due to high accessory price. The buffer of the WK-35 excavator bucket door is a mechanical friction plate type buffer, and the buffer with the structure is often reduced or loses the buffering effect due to the abrasion of a friction plate in the use process, and has high replacement price and high maintenance difficulty. The electric shovel needs frequent switch sluice gate to unload at the operation in-process, and closing of sluice gate leans on the gravity of self to realize, takes place the phenomenon of sluice gate striking scraper bowl after the buffer became invalid, all can cause destruction to sluice gate self and scraper bowl, damage such as a large amount of crackles and local deformation of individuality can appear in advance in sluice gate and scraper bowl, the vibration of striking output can be conducted to the electric shovel pole even and bulldoze on the staff, influence the life of part greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric bucket door buffering device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric bucket door buffer device comprises a bucket body, wherein the top end of the outer wall of one side of the bucket body is fixedly connected with a plurality of bucket teeth, two rotating parts are symmetrically arranged at the position, close to the bottom end, of the outer wall, opposite to the bucket teeth, of the bucket body, two friction plate buffers are symmetrically arranged on the side wall, located above the two rotating parts, of the bucket body, supporting arms are fixedly connected to the outer walls of the two rotating parts, one ends of the two friction plate buffers are fixedly connected with the bent parts of the two supporting arms respectively, the outer walls of the two supporting arms are fixedly connected with the same bucket door together, two fixing piles are symmetrically and fixedly connected with two sides of the outer wall of the hopper door, the top ends of the two fixing piles are rotatably connected with connecting rods, two relative lateral wall bottom center department symmetries of bucket body are provided with two buffer gear, the spout has all been seted up to two outer wall bottoms that link to each other with buffer gear of bucket body.

As a further description of the above technical solution:

buffer gear includes the casing, the inner wall fixedly connected with spring damper of casing, spring damper's one end is provided with the gasket, the outer wall of gasket is provided with the buffer block, the outer wall center department of gasket runs through and is provided with the double-screw bolt, the both ends of double-screw bolt are located the inside of spring damper and buffer block respectively.

As a further description of the above technical solution:

the outer wall department that the casing links to each other with spring damper runs through and has seted up the jackscrew hole, the outer wall of buffer block is equipped with buffer port and the dashpot that runs through.

As a further description of the above technical solution:

the inside one end fixedly connected with compression spring who keeps away from the piece that rotates of spout, compression spring's one end fixedly connected with slider, compression spring's one end and connecting rod rotation are kept away from to the slider are connected.

As a further description of the above technical solution:

the cross section of spout and slider is "T" shape, and spout and slider sliding connection, the degree of depth of spout is greater than the length of spud pile, the opening width of spout is greater than the diameter of connecting rod and spud pile.

As a further description of the above technical solution:

wear-resisting lining plates are arranged on the top of the hopper door and the inner wall of the hopper body.

The utility model discloses following beneficial effect has:

1. the utility model discloses a buffer gear that the setting is formed by buffer block and spring damper combination, produced impact force when can the effective absorption sluice gate is closed under the action of gravity has avoided the deformation of sluice gate and bucket body to damage even, has prolonged the life of equipment.

2. The utility model discloses a set up compression spring, slider, connecting rod etc. accessible compression spring slows down the speed that the sluice gate closed when the sluice gate is closed, alleviates the load of friction disc buffer, has effectively prolonged the life of friction disc buffer.

3. The utility model discloses a set up jackscrew hole and double-screw bolt etc. after the buffer block excessively wears and teares, accessible jackscrew hole takes out spring damper etc to increase the quantity of gasket, adjust the height of buffer block with this, prolonged the life of buffer block, reduced the cost.

Drawings

Fig. 1 is a schematic partial structural view of an electric bucket door buffering device according to the present invention;

fig. 2 is a schematic view of a sliding chute of an electric bucket door buffering device provided by the present invention;

fig. 3 is a cross-sectional view of an electric bucket door buffering device provided by the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Illustration of the drawings:

1. a bucket body; 11. a bucket tooth; 12. a rotating member; 2. a hopper door; 21. a support arm; 22. a friction plate damper; 23. fixing the pile; 3. a connecting rod; 4. a chute; 41. a compression spring; 42. a slider; 5. a buffer mechanism; 51. a housing; 511. a jackscrew hole; 52. a buffer block; 53. a gasket; 54. a stud; 55. a spring damper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an electric bucket door buffering device comprises a bucket body 1, wherein the top end of the outer wall of one side of the bucket body 1 is fixedly connected with a plurality of bucket teeth 11, two rotating pieces 12 are symmetrically arranged on the outer wall, opposite to the bucket teeth 11, of the bucket body 1 close to the bottom end, two friction piece buffers 22 are symmetrically arranged on the side wall of the bucket body 1 above the two rotating pieces 12, the outer walls of the two rotating pieces 12 are respectively and fixedly connected with supporting arms 21, one ends of the two friction piece buffers 22 are respectively and fixedly connected with the bending parts of the two supporting arms 21, the outer walls of the two supporting arms 21 are jointly and fixedly connected with a same bucket door 2, two fixing piles 23 are symmetrically and fixedly connected with the two sides of the outer wall of the bucket door 2, the top ends of the two fixing piles 23 are respectively and rotatably connected with a connecting rod 3, two buffering mechanisms 5 are symmetrically arranged at the centers of the bottom ends of the two opposite side walls, friction plate damper 22 is well known in the art and will not be described in further detail herein.

The buffer mechanism 5 comprises a shell 51, the shell 51 is formed by welding high manganese steel plates, a spring damper 55 is fixedly connected to the inner wall of the shell 51, a gasket 53 is arranged at one end of the spring damper 55, a buffer block 52 is arranged on the outer wall of the gasket 53, the buffer block 52 is made of a polyurethane material, the polyurethane material has the advantages of high strength, good resilience, wear resistance and aging resistance, a stud 54 penetrates through the center of the outer wall of the gasket 53, and two ends of the stud 54 are respectively located inside the spring damper 55 and the buffer block 52; a top thread hole 511 is formed in the outer wall of the shell 51 connected with the spring shock absorber 55 in a penetrating mode, and a penetrating buffer port and a buffer groove are formed in the outer wall of the buffer block 52; one end of the inside of the sliding chute 4, which is far away from the rotating part 12, is fixedly connected with a compression spring 41, one end of the compression spring 41 is fixedly connected with a sliding block 42, and one end of the sliding block 42, which is far away from the compression spring 41, is rotatably connected with the connecting rod 3; the cross sections of the sliding chute 4 and the sliding block 42 are both T-shaped, the sliding chute 4 is in sliding connection with the sliding block 42, the depth of the sliding chute 4 is greater than the length of the fixed pile 23, and the opening width of the sliding chute 4 is greater than the diameters of the connecting rod 3 and the fixed pile 23; the top of the hopper door 2 and the inner wall of the hopper body 1 are both provided with wear-resistant lining plates.

The working principle is as follows:

when the hopper door 2 is closed, compression spring 41 and spring damper 55 are both in a compression state, and spud pile 23 and connecting rod 3 are both located inside chute 4, after hopper door 2 is opened, the inside buffer block 52 of casing 51 pops out casing 51 under spring damper 55's spring action, when hopper door 2 is closed under the action of gravity, connecting rod 3 drives slider 42 and slides in chute 4, the speed that hopper door 2 closed has been reduced through compression spring 41, the load of friction disc buffer 22 has been alleviateed, earlier contact with buffer block 52 when hopper door 2 is about to close, buffer block 52 takes place to deform and has compressed spring damper 55, thereby reduce the impact force of hopper door 2 to the hopper body 1, avoid direct striking between the two.

When the buffer block 52 is worn, a spacer 53 may be added between the buffer block 52 and the spring damper 55 to adjust the extension length of the buffer block 52 to ensure the best buffering effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. An electric bucket door buffer device, includes bucket body (1), its characterized in that: the bucket is characterized in that a plurality of bucket teeth (11) are fixedly connected to the top end of the outer wall of one side of the bucket body (1), two rotating pieces (12) are symmetrically arranged on the outer wall, opposite to the bucket teeth (11), of the bucket body (1) close to the bottom, two friction piece buffers (22) are symmetrically arranged on the side wall of the bucket body (1) above the two rotating pieces (12), supporting arms (21) are fixedly connected to the outer walls of the two rotating pieces (12), one ends of the two friction piece buffers (22) are fixedly connected to the bending portions of the two supporting arms (21), the outer walls of the two supporting arms (21) are fixedly connected to the same bucket door (2) together, two fixing piles (23) are fixedly connected to the two sides of the outer wall of the bucket door (2) symmetrically, connecting rods (3) are rotatably connected to the top ends of the two fixing piles (23), two buffer mechanisms (5) are symmetrically arranged at the center of the bottom ends of, the bottom parts of two outer walls of the bucket body (1) connected with the buffer mechanism (5) are provided with sliding grooves (4).

2. An electric bucket door buffering device as defined in claim 1, wherein: buffer gear (5) include casing (51), the inner wall fixedly connected with spring damper (55) of casing (51), the one end of spring damper (55) is provided with gasket (53), the outer wall of gasket (53) is provided with buffer block (52), the outer wall center department of gasket (53) runs through and is provided with double-screw bolt (54), the both ends of double-screw bolt (54) are located the inside of spring damper (55) and buffer block (52) respectively.

3. An electric bucket door buffering device as defined in claim 2, wherein: the outer wall of the shell (51) connected with the spring shock absorber (55) is provided with a top thread hole (511) in a penetrating mode, and the outer wall of the buffer block (52) is provided with a buffer port and a buffer groove in a penetrating mode.

4. An electric bucket door buffering device as defined in claim 1, wherein: the inside one end fixedly connected with compression spring (41) of rotating piece (12) is kept away from to spout (4), the one end fixedly connected with slider (42) of compression spring (41), the one end that compression spring (41) were kept away from in slider (42) is rotated with connecting rod (3) and is connected.

5. An electric bucket door buffering device as defined in claim 4 wherein: the cross sections of the sliding groove (4) and the sliding block (42) are T-shaped, the sliding groove (4) is in sliding connection with the sliding block (42), the depth of the sliding groove (4) is larger than the length of the fixing pile (23), and the opening width of the sliding groove (4) is larger than the diameters of the connecting rod (3) and the fixing pile (23).

6. An electric bucket door buffering device as defined in claim 1, wherein: wear-resistant lining plates are arranged on the top of the hopper door (2) and the inner wall of the hopper body (1).

Images