Excavator bucket rod

Abstract

The utility model provides an excavator bucket rod which relates to the technical field of excavators and comprises a first bucket rod and a second bucket rod, a rotating mechanism is arranged in the second bucket rod, one side of the rotating mechanism penetrates through the second bucket rod and is provided with a rotating disc, one side of the rotating disc is provided with a flange, one side of the flange is provided with an electric cylinder, and the electric cylinder is connected with the first bucket rod and the second bucket rod. The other end of the electric cylinder and the other end of the flange are connected with a bucket, a protective shell is arranged on the outer side of the rotating disc, and a telescopic assembly is arranged at the other end of the second bucket rod. The device solves the problems that an electric cylinder pipe and a flange of an existing bucket rod are both arranged at the tail end of the bucket rod and are prone to being damaged by broken stone splashing, and the bucket rod does not have a telescopic function and has limitation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of excavator technical field, more specifically, it is particularly related to a kind of excavator bucket rod. BACKGROUND

[0002] Bucket rod is connected with the small arm of bucket, and the bucket rod of excavator is generally symmetrical, equal in width and straight whole closed box type welded component, the bucket rod is hinged with the upper end of swing arm, the bucket rod is rotated around the hinge point of the upper end of swing arm by the stroke change of bucket rod oil cylinder installed on the plane of swing arm beam, wherein the Chinese patent number: CN201922042786.4 discloses a kind of excavator bucket rod, including bucket rod and rotating assembly;Bucket rod: the bottom of bucket rod is provided with mounting hole, one end of bucket rod is provided with connecting hole, and the other end of bucket rod is provided with connecting barrel, and the circumferential side of connecting barrel is fixedly sleeved with eye ring;Rotating assembly: rotating assembly includes installation slot, motor, transmission slot, rotating shaft, bearing and coupling, installation slot is arranged on the side of bucket rod, motor is arranged on the bottom surface of installation slot, transmission slot is arranged on the side of bucket rod, coupling is arranged in the partition layer between installation slot and transmission slot, one end of coupling is fixedly connected with the output shaft of motor, one end of rotating shaft is fixedly connected with the other end of coupling, bearing is fixedly sleeved on the circumferential side of rotating shaft, and the input end of motor is electrically connected with the output end of vehicle-mounted controller, the excavator bucket rod can realize the rotation of bucket, improve the flexibility of bucket, and can adapt to complex working environment.

[0003] Based on the above, the present inventor found that there are the following problems: the rotation of the shaft driven by the motor in the above-mentioned patent realizes the rotation effect of the bucket, improves the flexibility of the bucket and improves the practicability, but the electric cylinder and the flange of the device are arranged at the end of the bucket rod, and in the process of long-time use, some flying stones may hit the surface of the electric cylinder, causing the electric cylinder pipe to be damaged, leaking or bending, and the bucket rod does not have the telescopic function, which still has certain limitations in use.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a kind of excavator bucket rod is provided to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of excavator bucket rod to solve the problem that electric cylinder pipe and flange of present bucket rod are arranged at the end of bucket rod, easy to be damaged by flying stones, and bucket rod does not have telescopic function, has limitation.

[0006] The purpose and effect of the utility model are achieved by the following specific technical means:

[0007] An excavator stick includes a stick one and a stick two. The stick two has a rotating mechanism inside. A rotating disk is provided through one side of the rotating mechanism and a flange is provided on one side of the rotating disk. An electric cylinder is provided on one side of the flange. The other end of the electric cylinder and the flange is connected to a bucket. A set of protective shells is provided on the outer side of the rotating disk. The other end of the stick two has a telescopic component.

[0008] Furthermore, an L-shaped locking block is provided on both sides of a set of protective shells, the L-shaped locking blocks are matched with each other, and a connecting block is provided on both sides of the protective shell, the surface of the connecting block is provided with mounting holes.

[0009] Furthermore, the mounting hole is provided with an internal thread, and a bolt is installed in the internal thread.

[0010] Furthermore, one end of the protective shell is provided with an annular locking block, and one side of the rotating disk is provided with an annular locking groove, the annular locking groove and the annular locking block being matched.

[0011] Furthermore, the rotating disk has positioning grooves on both sides, and positioning rods are installed in the positioning grooves. The positioning rods are installed on one side of the protective shell.

[0012] Furthermore, the telescopic assembly includes a chamber formed inside the first stick, a power cylinder is provided in the chamber, a limiting plate is provided at the output end of the power cylinder, and the limiting plate is connected to the second stick.

[0013] Furthermore, one end of the boom is provided with a mounting groove, and one side of the mounting groove is provided with a connecting hole.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. By cooperating with the protective shell, L-shaped locking block, connecting block, mounting hole, internal thread, bolt, annular locking block, annular groove, positioning groove, and positioning rod, a set of positioning rods of the protective shell is installed into the positioning groove for quick positioning. Then, the annular locking block is engaged into the annular groove, making the L-shaped locking blocks of a set of protective shells align. Next, the bolts are installed through the internal thread of the mounting hole to achieve flange protection for the electric cylinder at the second end of the boom. This prevents some gravel from splashing and impacting the surface of the electric cylinder during use, which could cause damage, oil leakage, or bending of the electric cylinder, thus increasing the service life of the electric cylinder.

[0016] 2. Through the cooperation between boom one, power cylinder, limit plate and boom two, when the length of boom needs to be adjusted, the power cylinder is activated, which drives boom two to move along the inside of boom one, thereby changing the extension length of boom two and further improving flexibility. Attached Figure Description

[0017] Figure 1This is a three-dimensional schematic diagram of an excavator boom according to the present invention.

[0018] Figure 2 This is a three-dimensional schematic diagram of a protective shell for an excavator boom according to this utility model.

[0019] Figure 3 This is a three-dimensional schematic diagram of a component of an excavator boom according to the present invention.

[0020] Figure 4 This is a schematic diagram of an excavator boom telescopic assembly according to the present invention.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Stick 1; 2. Stick 2; 3. Rotary disc; 4. Flange; 5. Electric cylinder; 6. Bucket; 7. Protective shell; 8. L-shaped locking block; 9. Connecting block; 10. Mounting hole; 11. Internal thread; 12. Bolt; 13. Annular locking block; 14. Annular locking groove; 15. Positioning groove; 16. Positioning rod; 17. Power cylinder; 18. Limiting plate; 19. Mounting groove; 20. Connecting hole. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Example:

[0027] As attachedFigure 1 To be continued Figure 4 As shown:

[0028] This utility model provides an excavator stick, including a first stick 1 and a second stick 2. The second stick 2 has a rotating mechanism inside. A rotating disk 3 is provided through one side of the rotating mechanism and a flange 4 is provided on one side of the rotating disk 3. An electric cylinder 5 is provided on one side of the flange 4. The other end of the electric cylinder 5 and the flange 4 is connected to a bucket 6. A set of protective shells 7 is provided on the outside of the rotating disk 3. The other end of the second stick 2 is provided with a telescopic component.

[0029] One of the protective shells 7 has L-shaped locking blocks 8 on both sides, the L-shaped locking blocks 8 are matched with each other, and the protective shell 7 has connecting blocks 9 on both sides, the surface of the connecting blocks 9 is provided with mounting holes 10.

[0030] The mounting hole 10 is provided with an internal thread 11, and a bolt 12 is installed in the internal thread 11.

[0031] The protective shell 7 has an annular locking block 13 at one end, and the rotating disk 3 has an annular locking groove 14 on one side, and the annular locking groove 14 and the annular locking block 13 are matched.

[0032] The rotating disk 3 has positioning grooves 15 on both sides, and positioning rods 16 are provided in the positioning grooves 15. The positioning rods 16 are installed on one side of the protective shell 7. Through the cooperation between the protective shell 7, L-shaped locking block 8, connecting block 9, mounting hole 10, internal thread 11, bolt 12, annular locking block 13, annular groove 14, positioning groove 15 and positioning rod 16, a set of positioning rods 16 of the protective shell 7 are installed into the positioning groove 15 for quick positioning. Then the annular locking block 13 is engaged into the annular groove 14, so that a set of L-shaped locking blocks 8 of the protective shell 7 are connected. Then the bolt 12 is installed through the internal thread 11 of the mounting hole 10 to protect the flange 4 of the electric cylinder 5 at the end of the boom 2. This prevents some gravel from splashing and hitting the surface of the electric cylinder 5 during use, which could cause damage, oil leakage or bending of the electric cylinder 5, and increase the service life of the electric cylinder 5.

[0033] The telescopic assembly includes a chamber inside the first stick 1, a power cylinder 17 is provided in the chamber, and a limiting plate 18 is provided at the output end of the power cylinder 17. The limiting plate 18 is connected to the second stick 2.

[0034] The first bucket rod 1 has a mounting groove 19 at one end and a connecting hole 20 on one side of the mounting groove 19. Through the cooperation between the first bucket rod 1, the power cylinder 17, the limiting plate 18 and the second bucket rod 2, when the length of the bucket rod needs to be adjusted, the power cylinder 17 is activated, which drives the second bucket rod 2 to move along the cavity of the first bucket rod 1, thereby changing the extension length of the second bucket rod 2 and further improving flexibility.

[0035] The specific usage and function of this embodiment are as follows:

[0036] First, check the integrity of the device. Then, put the device into actual use. Through the cooperation between the protective shell 7, L-shaped locking block 8, connecting block 9, mounting hole 10, internal thread 11, bolt 12, annular locking block 13, annular groove 14, positioning groove 15, and positioning rod 16, install a set of positioning rods 16 of the protective shell 7 into the positioning groove 15 for quick positioning. Then, the annular locking block 13 engages with the annular groove 14, so that a set of L-shaped locking blocks 8 of the protective shell 7 are aligned. Finally, the bolt 12 is threaded through the internal thread of the mounting hole 10. The flange 4 of the electric cylinder 5 at the end of the boom 2 is installed to protect the boom 2 from flying debris impacting the surface of the electric cylinder 5 during use, which could cause damage, oil leakage, or bending of the electric cylinder 5, thus increasing the service life of the electric cylinder 5. Through the cooperation between the boom 1, the power cylinder 17, the limit plate 18, and the boom 2, when the length of the boom needs to be adjusted, the power cylinder 17 is activated, driving the boom 2 to move along the interior of the boom 1 chamber, thereby changing the extension length of the boom 2 and further improving flexibility.

[0037] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An excavator boom, comprising boom one (1) and boom two (2), characterized in that: The boom 2 (2) is equipped with a rotating mechanism inside. A rotating disk (3) is provided through the boom 2 (2) on one side of the rotating mechanism. A flange (4) is provided on one side of the rotating disk (3). An electric cylinder (5) is provided on one side of the flange (4). A bucket (6) is connected to the other end of the electric cylinder (5) and the flange (4). A set of protective shells (7) is provided on the outside of the rotating disk (3). A telescopic component is provided at the other end of the boom 2 (2).

2. The excavator boom as described in claim 1, characterized in that: A set of protective shells (7) are provided with L-shaped locking blocks (8) on both sides, the L-shaped locking blocks (8) are matched with each other, and the protective shells (7) are provided with connecting blocks (9) on both sides, and the surface of the connecting blocks (9) is provided with mounting holes (10).

3. The excavator boom as described in claim 2, characterized in that: The mounting hole (10) is provided with an internal thread (11), and a bolt (12) is installed in the internal thread (11).

4. The excavator boom as described in claim 3, characterized in that: One end of the protective shell (7) is provided with an annular locking block (13), and one side of the rotating disk (3) is provided with an annular locking groove (14), the annular locking groove (14) and the annular locking block (13) are matched.

5. The excavator boom as described in claim 4, characterized in that: The rotating disk (3) has positioning grooves (15) on both sides, and positioning rods (16) are provided in the positioning grooves (15). The positioning rods (16) are installed on one side of the protective shell (7).

6. The excavator boom as described in claim 5, characterized in that: The telescopic assembly includes a chamber opened inside the first stick (1), a power cylinder (17) is provided in the chamber, and a limiting plate (18) is provided at the output end of the power cylinder (17), and the limiting plate (18) is connected to the second stick (2).

7. The excavator boom as described in claim 6, characterized in that: One end of the boom (1) is provided with a mounting groove (19), and a connecting hole (20) is provided on one side of the mounting groove (19).

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