Bucket joint structure of excavator

Abstract

The utility model discloses a bucket joint structure of an excavator, which relates to the technical field of excavators, and adopts the technical scheme that the bucket joint structure comprises a bucket, a connecting arm and a limiting component arranged on the connecting arm, the limiting component comprises sliding rails, the sliding rails are symmetrically arranged on a connecting plate, a sliding plate is slidably mounted in each sliding rail, and the sliding plates are arranged on the connecting arm. One ends of the two sliding plates extend out of the sliding rails, and the ends, extending out of the sliding rails, of the two sliding plates are connected with limiting frames correspondingly, so that the problem that in the background technology, an excavator can generate large vibration in the excavating process, the vibration can be transmitted to a bucket connector structure, bolts are subjected to the action of alternating stress, and the damage to the bolts is caused is solved. Therefore, the problems that the structure of the bucket connector is unstable, and the safety risk in the operation process is increased are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field more specifically, it relates to a kind of excavator's bucket joint structure. BACKGROUND

[0002] The bucket of excavator, also called as digging bucket, is the important component installed on excavator for digging, loading and transporting material, and the main function of the bucket is to dig, load and transport material, in the operation process of excavator, the bucket is attached to stratum, and the earthwork is entered into the bucket with the force of shovel arm, then, the body is rotated, the bucket is opened to the earthwork, and the earthwork is unloaded, to complete a shovel action.

[0003] The bucket joint structure of excavator is the key part connecting the bucket and the arm of excavator, which ensures the stability and efficiency of the bucket in the digging process, and the bucket joint structure of excavator is one of the indispensable important components in excavator.

[0004] The existing bucket joint structure of excavator usually uses bolts and nuts to fix the bucket, and the excavator will generate large vibration in the digging process, which will be transmitted to the bucket joint structure, so that the bolt is subjected to alternating stress, resulting in loosening of the bolt, which will cause the bucket joint structure to be unstable and increase the safety risk in the operation process.

[0005] Therefore, in order to solve the above technical problems, the present application provides a bucket joint structure of excavator. UTILITY MODEL CONTENT

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a bucket joint structure of excavator.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bucket joint structure of excavator, comprising a bucket and a connecting arm, a limiting assembly arranged on the connecting arm, the limiting assembly comprising a sliding rail, the connecting plate is symmetrically provided with a sliding rail, each sliding rail is slidably installed with a sliding plate, one end of each of the two sliding plates extends out of the sliding rail, and the two sliding plates are respectively connected with a limiting frame at the end extending out of the sliding rail.

[0008] Preferably, two fixing assemblies are arranged on the two sliding plates, each of the fixing assemblies comprises a connecting block, and the connecting block is arranged on each of the sliding plates, two sliding grooves are symmetrically arranged on each of the connecting blocks, a fixing plate is slidably arranged in each of the sliding grooves, each of the fixing plates penetrates through the connecting block, and a spring is arranged between each of the connecting plates and the connecting block, two fixing holes are arranged in each of the sliding rails, and each of the fixing plates can slide in the corresponding fixing hole, so that the sliding plates can be quickly fixed and unlocked, and the working efficiency is improved.

[0009] Preferably, the two limiting frames can clamp the bolts and the nuts, so that the bolts and the nuts are prevented from loosening.

[0010] Preferably, the two ear plates are symmetrically arranged on the bucket, and a connecting arm is slidably arranged between the two ear plates.

[0011] Preferably, a bolt is slidably arranged through the two ear plates and the connecting arm between the two ear plates, one end of the bolt is rotatably arranged with a nut, and the bolt is used for fixing the connecting plate between the two ear plates.

[0012] Compared with the prior art, the excavator has the following beneficial effects:

[0013] 1、In the utility model, the two sliding plates are moved to the corresponding bolts and nuts in the sliding rails through the limiting assemblies arranged on the connecting arm, the two sliding plates are moved with the connected limiting frames, the two limiting frames are arranged at the bolts and the nuts respectively, the bolts and the nuts are clamped by the two limiting frames respectively, the vibration generated during the excavation of the excavator is solved, the vibration is transmitted to the bucket joint structure, the bolt is subjected to the alternating stress, the bolt is loosened, the bucket joint structure is unstable, and the safety risk problem in the operation process is increased.

[0014] 2、In the utility model, the fixing assemblies are arranged on the sliding plates, the two sliding plates are moved with the connected connecting blocks, the two fixing plates are held and moved close to each other, the two fixing plates are moved in the sliding grooves, the connected springs are compressed, the two fixing plates are arranged in the connecting blocks, the two fixing plates are moved to the positions of the connected sliding plates, the two fixing plates are released, the compressed springs push the connected fixing plates into the corresponding fixing holes through the resilience, the two sliding plates are fixed in the corresponding sliding rails, the sliding plates can be quickly fixed and unlocked, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0016] Figure 1 It is a whole structure schematic view of the present application;

[0017] Figure 2 It is a structure schematic view of the connecting arm in the present application;

[0018] Figure 3 It is a structure schematic view of the connecting block in the present application;

[0019] Figure 4 It is a structure schematic view of the fixing hole in the present application.

[0020] 1, bucket; 2, ear plate; 3, connecting arm; 4, bolt; 5, nut; 6, limiting assembly; 601, sliding rail; 602, sliding plate; 603, limiting frame; 7, fixing assembly; 701, connecting block; 702, sliding groove; 703, fixing plate; 704, spring; 705, fixing hole. DETAILED DESCRIPTION

[0021] As Figures 1-4 shown, the present application provides a kind of bucket joint structure of excavator, including bucket 1 and connecting arm 3, limiting assembly 6 is set on connecting arm 3, it is used to realize the movement of two sliding plates 602 in the sliding rail 601 respectively at corresponding bolt 4 and nut 5, when two sliding plates 602 move, it will be connected with the limiting frame 603 of moving, until two limiting frames 603 respectively at bolt 4 and nut 5, at this time, bolt 4 and nut 5 are respectively clamped by two limiting frames 603, can effectively limit the relative motion of bolt 4 and nut 5, even in strong vibration environment, the fastening state of bolt 4 can be maintained, to significantly improve the effect of preventing loosening;

[0022] Limiting assembly 6 includes sliding rail 601, connecting plate is symmetrically provided with sliding rail 601, it is used to realize the stability when sliding plate 602 slides, sliding plate 602 is slidably installed in each sliding rail 601, it is used to realize the effect of transmission, one end of two sliding plates 602 extends out the sliding rail 601, and one end of two sliding plates 602 extending out the sliding rail 601 is connected with limiting frame 603 respectively, it is used to realize the effect of clamping even nut 5.

[0023] Two sliding plates 602 are provided with fixing assemblies 7, which are used to realize the movement of the two sliding plates 602, which will move together with the connected connecting blocks 701, then hold the two fixed plates 703 and move close to each other, at this time the two fixed plates 703 will move in the sliding groove 702 and compress the connected spring 704, until the two fixed plates 703 enter the connecting block 701, and then move to the position of the connected sliding plate 602, then release the two fixed plates 703, and the compressed spring 704 will push the connected fixed plate 703 into the corresponding fixed hole 705 through the elastic rebound, at this time the two sliding plates 602 will be fixed in the corresponding sliding rail 601, which can effectively and quickly fix and unlock the sliding plate 602, so as to improve the work efficiency.

[0024] Each fixing assembly 7 comprises a connecting block 701, and each sliding plate 602 is provided with a connecting block 701, which is used to realize the transmission function, two sliding grooves 702 are symmetrically formed on each connecting block 701, which are used to realize the sliding function of the fixed plate 703, the fixed plate 703 is slidably installed in each sliding groove 702, which is used to realize the fixing function, each fixed plate 703 penetrates the connecting block 701, and the connecting plate and the connecting block 701 are connected by a spring 704, which is used to realize the sliding function of the fixed plate 703, two fixed holes 705 are formed in each sliding rail 601, and each fixed plate 703 can slide in the corresponding limiting hole, which is used to realize the function of fixing the sliding plate 602 by pushing the fixed plate 703 into the corresponding fixed hole 705.

[0025] Two limiting frames 603 can clamp the bolt 4 and the nut 5, which are used to clamp the bolt 4 and the nut 5 to facilitate the adaptation, so as to avoid the rotation of the bolt 4 and the nut 5.

[0026] The ear plate 2 is mirror installed on the bucket 1, and the connecting arm 3 is slidably installed between the two ear plates 2, which is used to cooperate with the ear plate 2 to realize the connection of the bucket 1.

[0027] The bolt 4 is slidably installed through the two ear plates 2, and the nut 5 is rotatably installed at one end of the bolt 4, the bolt 4 can pass through the two ear plates 2 and the connecting arm 3 between the two ear plates 2 at the same time, which is used to fix the connecting arm 3 between the two ear plates 2.

[0028] Working principle: when the bolt 4 and nut 5 need to be fixed, first move two slide plates 602 in the slide rail 601 to the corresponding bolt 4 and nut 5 respectively, when the two slide plates 602 move, the connected limiting frame 603 will move, until the two limiting frames 603 are at the bolt 4 and nut 5 respectively, then the bolt 4 and nut 5 are clamped by the two limiting frames 603 respectively;

[0029] When the two slide plates 602 move, the connected connecting block 701 will move, then hold the two fixed plates 703 and move close to each other, at this time the two fixed plates 703 will move in the slide groove 702, and the connected spring 704 will be compressed, until the two fixed plates 703 enter the connecting block 701, then the two fixed plates 703 will move to the position with the connected slide plate 602, then the compressed spring 704 will push the connected fixed plate 703 into the corresponding fixed hole 705 through the resilience, at this time the two slide plates 602 will be fixed in the corresponding slide rail 601.

[0030] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in this industry can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution of the above disclosed technical content within the scope of the technical scheme of the present application are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A bucket joint structure of an excavator comprising a bucket (1) and a connecting arm (3), characterized by: The limiting assembly (6) is arranged on the connecting arm (3), the connecting arm is symmetrically provided with the slide rails (601), the slide plates (602) are slidably arranged in the slide rails (601), the slide plates (602) extend out of the slide rails (601), and the slide plates (602) are connected with the limiting frames (603).

2. The bucket joint structure of the excavator according to claim 1, characterized by: The slide plates (602) are provided with the fixing assemblies (7), the fixing assemblies (7) are arranged on the slide plates (602), the slide plates (602) are provided with the connecting blocks (701), the slide plates (602) are provided with the slide grooves (702), the slide grooves (702) are slidably provided with the fixing plates (703), the fixing plates (703) extend out of the connecting blocks (701), the connecting plates are connected with the connecting blocks (701) through the springs (704), the slide rails (601) are provided with the fixing holes (705), and the fixing plates (703) can slide in the fixing holes.

3. The bucket joint structure of the excavator according to claim 1, characterized by: The limiting frames (603) can clamp the bolts (4) and the nuts (5).

4. The bucket joint structure of a power shovel according to claim 1, characterized by: The shovel (1) is provided with the ear plates (2), the connecting arm (3) is slidably arranged between the ear plates (2).

5. A bucket joint structure for an excavator according to claim 4, characterized in that: The ear plates (2) are provided with the bolts (4), the bolts (4) are rotatably provided with the nuts (5), and the bolts (4) can pass through the ear plates (2) and the connecting arm (3) between the ear plates (2).

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