Excavator convenient to assemble

Abstract

The utility model relates to the technical field of excavators, in particular to an excavator convenient to assemble, which comprises an excavator bin, a movable arm, a middle arm, a middle arm oil cylinder, an assembly part, a rotating shaft, a shaft hole, an extending arm oil cylinder, a first lifting rod, a first grabhook, a second grabhook, a second lifting rod and an extending arm. When the middle arm, the middle arm oil cylinder and the extending arm oil cylinder are assembled, the middle arm, the middle arm oil cylinder and the extending arm oil cylinder are fixed to the extending arm through the assembly part, then the rotating shafts are arranged in the shaft holes, and the middle arm, the middle arm oil cylinder and the extending arm oil cylinder are connected to the corresponding rotating shafts in a butt joint mode respectively, so that the middle arm, the middle arm oil cylinder and the extending arm oil cylinder are all integrally connected with the assembly part; therefore, the accessories can be installed without a plurality of lug plates, installation is more convenient and simpler, when the middle arm oil cylinder stretches out and draws back, the assembly part is pulled to rotate, the extending arm is lifted, the extending arm oil cylinder controls the first grabbing claw to be opened and closed, and then the linkage performance of the excavator arm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to an excavator which is easy to assemble. Background Art

[0002] An excavator is an earth-moving machine that uses its accessories to dig materials above or below the surface of the machine and load them into a transport vehicle or unload them to a stockpile. An excavator has accessories such as a bucket or a claw. The bucket is used to dig materials, while the claw is used to grab materials.

[0003] The existing excavator's arm and oil cylinder are installed in a split manner, which requires multiple ear plates for split installation, is troublesome to install, and has poor linkage.

[0004] Based on the above background, an excavator that is easy to assemble is proposed to solve the problems raised. Utility Model Content

[0005] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures specifically pointed out in the description and other drawings of the description.

[0006] The purpose of the utility model is to overcome the above-mentioned disadvantages and provide an excavator that is easy to assemble.

[0007] To achieve the above-mentioned purpose, the technical solution of the utility model is: an excavator that is easy to assemble, comprising: an excavator compartment, a boom, a middle arm, a middle arm cylinder, an assembly part, a rotating shaft, an axial hole, an extension arm cylinder, a first lifting rod, a first gripper, a second gripper, a second lifting rod, and an extension arm. The boom is transmission-connected to the excavator compartment, the middle arm is rotationally connected to the boom, the middle arm cylinder is installed on the middle arm, three axial holes are opened on the assembly part and a rotating shaft is installed in each axial hole, the three rotating shafts are rotationally connected to the middle arm cylinder, the extension arm cylinder and the middle arm respectively, the assembly part is connected to the extension arm, the first gripper is connected to the lower side of the extension arm, the first gripper is rotationally connected to the second gripper, one side of the second lifting rod is connected to the extension arm, and the other side is connected to the second gripper, one side of the extension arm cylinder is provided with a first lifting rod, and the first lifting rod is connected to the first gripper.

[0008] Preferably, the first gripper and the second gripper are each divided into a plurality of fork plates and the fork plates are intersecting with each other.

[0009] Preferably, an arc plate is installed on the extension arm.

[0010] Preferably, the boom cylinder is installed above the boom through an arc plate.

[0011] Preferably, a boom cylinder is connected to the boom.

[0012] By adopting the above-mentioned technical scheme, the beneficial effect of the utility model is as follows: when the utility model is assembling the middle arm, the middle arm cylinder and the arm cylinder, the assembly is fixed on the arm, and then the rotating shaft is inserted into the shaft hole, and the middle arm, the middle arm cylinder and the arm cylinder are respectively connected to the corresponding rotating shaft, so that the middle arm, the middle arm cylinder and the arm cylinder are all connected to the assembly in one piece, so that there is no need for multiple ear plates to install the above-mentioned accessories, and the installation is more convenient and simple. When the middle arm cylinder is extended or retracted, the assembly is pulled to rotate, the arm is lifted, and the arm cylinder controls the opening and closing of the first gripper, thereby improving the linkage of the excavator arm.

[0013] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

[0014] Undoubtedly, these and other objects of the present invention will become more apparent after the following detailed description of the preferred embodiments described with reference to various figures and drawings.

[0015] In order to make the above beneficial effects and other purposes, features and advantages of the present invention more obvious and easy to understand, one or several preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] In the drawings, the same reference numerals are used for the same components and the drawings are schematic and not necessarily drawn to scale.

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only one or several embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on such drawings without paying creative work.

[0019] Figure 1 This is a structural schematic diagram of an excavator that is easy to assemble according to the utility model;

[0020] Figure 2 It is a structural schematic diagram of the assembly of the utility model.

[0021] Explanation of main figure marks: excavator cabin-1, boom-2, middle arm-3, middle arm cylinder-4, assembly part-5, rotating shaft-6, shaft hole-7, arm cylinder-8, first lifting rod-9, first grabber-10, second grabber-11, second lifting rod-12, arm-13, arc plate-14. DETAILED DESCRIPTION

[0022] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. It should be noted that as long as there is no conflict, the various embodiments of the present invention and the various features in the embodiments can be combined with each other, and the technical solutions formed are all within the protection scope of the present invention.

[0023] Meanwhile, in the following description, many specific details are set forth for the purpose of explanation to provide a thorough understanding of the embodiments of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without the specific details or the specific manner described herein.

[0024] See also Figure 1-2 The utility model provides an excavator that is easy to assemble, including: an excavator compartment 1, a boom 2, a middle arm 3, a middle arm oil cylinder 4, an assembly 5, a rotating shaft 6, an axis hole 7, an arm extension oil cylinder 8, a first lifting rod 9, a first gripper 10, a second gripper 11, a second lifting rod 12, and an arm extension 13. The boom 2 is connected to the excavator compartment 1 by transmission, the middle arm 3 is connected to the boom 2 by rotation, the middle arm oil cylinder 4 is installed on the middle arm 3, and three axis holes 7 are opened on the assembly 5 and each A rotating shaft 6 is installed in the shaft hole 7. The three rotating shafts 6 are rotatably connected to the middle arm cylinder 4, the extension arm cylinder 8 and the middle arm 3 respectively. The assembly 5 is connected to the extension arm 13. The first gripper 10 is connected to the lower side of the extension arm 13. The first gripper 10 is rotatably connected to the second gripper 11. One side of the second lifting rod 12 is connected to the extension arm 13 and the other side is connected to the second gripper 11. A first lifting rod 9 is provided on one side of the extension arm cylinder 8, and the first lifting rod 9 is connected to the first gripper 10.

[0025] According to some embodiments of the present application, optionally, the first gripper 10 and the second gripper 11 are evenly divided into a plurality of fork plates and the fork plates cross each other, which facilitates the gripping of materials.

[0026] According to some embodiments of the present application, optionally, an arc plate 14 is installed on the boom 13, and the boom cylinder 8 is installed above the boom 13 through the arc plate 14. It has the function of separating the boom cylinder 8 from the boom 13, so that the boom cylinder 8 can control the first lifting rod 9 to drive the first gripper 10 to open and close.

[0027] According to some embodiments of the present application, optionally, a boom oil cylinder is connected to the boom 2, which has the function of driving the middle arm 3 to swing.

[0028] When in use, the excavator cabin 1 is used to control the operation of each cylinder, so that the boom 2, the middle arm 3 and the extension arm 13 are linked, and the first gripper 10 and the second gripper 11 can be opened and closed to grab materials. When the middle arm 3, the middle arm cylinder 4 and the extension arm cylinder 8 are assembled, they are fixed on the extension arm 13 through the assembly part 5, and then the rotating shaft 6 is inserted into the shaft hole 7. The middle arm 3, the middle arm cylinder 4 and the extension arm cylinder 8 are respectively connected to the corresponding rotating shaft 6, so that the middle arm 3, the middle arm cylinder 4 and the extension arm cylinder 8 are all connected to the assembly part 5 in an integral manner, so that when the middle arm cylinder 4 is extended or retracted, the assembly part 5 is pulled to rotate, the extension arm 13 is lifted, and the extension arm cylinder 8 controls the opening and closing of the first gripper 10 to grab materials.

[0029] It should be understood that the embodiments disclosed in the present invention are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features understood by ordinary technicians in the relevant field. It should also be understood that the terms used herein are only used for the purpose of describing specific embodiments and are not meant to be limiting.

[0030] The "embodiment" mentioned in the specification means that the specific features or characteristics described in conjunction with the embodiment are included in at least one embodiment of the utility model. Therefore, the phrases or "embodiment" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0031] In addition, the described features or characteristics may be combined in one or more embodiments in any other suitable manner. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the utility model. However, those skilled in the relevant art will understand that the utility model can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. An excavator that is easy to assemble, characterized in that: include: An excavator compartment (1), a movable arm (2), a middle arm (3), a middle arm oil cylinder (4), an assembly (5), a rotating shaft (6), an axial hole (7), an arm extension oil cylinder (8), a first lifting rod (9), a first gripper (10), a second gripper (11), a second lifting rod (12), and an arm extension (13); the movable arm (2) is connected to the excavator compartment (1) in a transmission manner; the middle arm (3) is connected to the movable arm (2) in a rotation manner; the middle arm oil cylinder (4) is installed on the middle arm (3); three axial holes (7) are opened on the assembly (5), and a The invention relates to a rotating shaft (6), wherein the three rotating shafts (6) are rotatably connected to the middle arm cylinder (4), the extension arm cylinder (8) and the middle arm (3), respectively; the assembly (5) is connected to the extension arm (13); the first gripper (10) is connected to the lower side of the extension arm (13); the first gripper (10) is rotatably connected to the second gripper (11); one side of the second lifting rod (12) is connected to the extension arm (13) and the other side is connected to the second gripper (11); a first lifting rod (9) is provided on one side of the extension arm cylinder (8); and the first lifting rod (9) is connected to the first gripper (10).

2. The excavator that is easy to assemble according to claim 1, characterized in that: The first gripper (10) and the second gripper (11) are each provided with a plurality of fork plates, and the fork plates are intersected with each other.

3. The excavator that is easy to assemble according to claim 1, characterized in that: An arc plate (14) is mounted on the extension arm (13).

4. The excavator that is easy to assemble according to claim 3, characterized in that: The boom oil cylinder (8) is installed above the boom (13) through an arc plate (14).

5. The excavator that is easy to assemble according to claim 1, characterized in that: The movable arm (2) is connected with a movable arm oil cylinder.

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