Groove excavator

Abstract

The utility model discloses a groove excavator, which relates to the technical field of groove excavators and comprises an excavating component consisting of an extending arm, an excavating bucket, a first connecting lug, an extending arm connecting rod, a bucket connecting rod and a bucket oil cylinder, the groove repairing assembly and the excavating bucket are combined to form a trapezoidal bucket used for excavating a trapezoidal groove. The groove repairing assembly and the excavator bucket can be combined to form a trapezoidal bucket, shape repairing of a groove can be achieved through the trapezoidal bucket, when secondary excavation is needed, only the limiting pin shaft needs to be detached, the excavator bucket and the groove repairing assembly can be detached, and the excavator bucket can be conveniently detached. Compared with a traditional operation mode that the excavator bucket, the trapezoidal bucket and the front arm are frequently disassembled and assembled, the excavator bucket and the front arm do not need to be disassembled, and the overall operation is simpler and more efficient.

Description

Technical Field

[0001] This utility model relates to the field of trench excavator technology, specifically a trench excavator. Background Technology

[0002] When excavating trenches, excavators are often used in conjunction with manual labor. Some trenches require a slope (e.g., irrigation ditches). In such cases, a conventional excavator bucket is used to first excavate the approximate shape of the trench, and then a specially designed trapezoidal bucket is used to refine the shape of the trench. The trapezoidal bucket, also known as a trapezoidal shovel, is trapezoidal in shape, wider at the top and narrower at the bottom. It is installed at the end of the excavator boom and can be used for trenching, water conservancy, highway, agricultural, and pipeline trenching operations. It is particularly suitable for excavating irrigation waterways, ditches, canals, waterways, and road irrigation ditches, and can excavate trapezoidal trenches during trenching operations.

[0003] During trench excavation, the trapezoidal bucket and digging bucket need to be changed multiple times due to work requirements. This process requires frequent disassembly and assembly of the trapezoidal bucket, digging bucket, and excavator boom, which is time-consuming and labor-intensive. In order to further improve the switching efficiency of the trapezoidal bucket and digging bucket, a trench excavator is provided. Utility Model Content

[0004] The purpose of this utility model is to provide a trench excavator in order to solve the problems mentioned above.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a trench excavator, comprising an excavation assembly consisting of an extension arm, a digging bucket, a first connecting lug, an extension arm connecting rod, a bucket connecting rod, and a bucket cylinder. The first connecting lug is fixed to the top front end of the digging bucket. The bucket connecting rods are symmetrically rotatably connected to both sides of the extension arm near the bottom. The rear end of the bucket cylinder housing is rotatably connected to the rear end of the extension arm near the top. The bottom ends of the extension arm and the extension arm connecting rod are rotatably connected to the first connecting lug. The top end of the extension arm connecting rod is rotatably connected to the middle of the two bucket connecting rods. The output end of the bucket cylinder is rotatably connected to the inner side of the top end of the extension arm connecting rod. A trench trimming assembly is provided on the outer side of the digging bucket. The trench trimming assembly and the digging bucket are combined to form a trapezoidal bucket for trapezoidal trench excavation.

[0006] As a further embodiment of this utility model: the trenching assembly includes a trapezoidal side bucket, a connecting rod, a third connecting ear, and a limiting pin; two trapezoidal side buckets are provided, symmetrically distributed on both sides of the digging bucket; the connecting rod is fixed in the middle of the two trapezoidal side buckets and distributed at the front end of the digging bucket; a limiting slot is provided at the front end of the digging bucket, and the trapezoidal side bucket and the digging bucket are initially connected by the connecting rod engaging the limiting slot; the third connecting ear is symmetrically fixed at the top rear end of the two trapezoidal side buckets, and two second connecting ears are symmetrically fixed at the top rear end of the digging bucket; the limiting pin passes through the third connecting ear and the second connecting ear in sequence to achieve a fixed connection between the trapezoidal side bucket and the digging bucket.

[0007] As a further embodiment of this utility model: bottom scrapers are welded and fixed to the bottom of the two trapezoidal side buckets, and a shovel is installed at the bottom front end of the digging bucket. The bottom scrapers are attached to the bottom of the digging bucket and the shovel, and the front end of the bottom scrapers protrudes beyond the front end of the shovel.

[0008] As a further improvement of this utility model: multiple limiting slots are evenly arranged along the vertical direction, and the number and position of the connecting rods correspond one-to-one with the number and position of the limiting slots.

[0009] As a further improvement of this utility model: the inner side of the front end of the limiting slot has an arc-shaped structure, the height of the inner wall of the limiting slot matches the diameter of the connecting rod, and the distance between the two trapezoidal side buckets matches the width of the digging bucket.

[0010] As a further improvement of this utility model, a top scraper is welded and fixed to the top of the two trapezoidal side buckets on the side that is far apart from each other.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] By combining the trench trimming component with the excavator bucket, a trapezoidal bucket can be formed. The shape of the trench can be trimmed using the trapezoidal bucket. When secondary excavation is required, the excavator bucket and trench trimming component can be separated simply by removing the limiting pin. Compared to the traditional method of frequently disassembling and reassembling the excavator bucket, trapezoidal bucket, and forearm, this method eliminates the need to disassemble the excavator bucket and forearm, making the overall operation simpler and more efficient. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective;

[0015] Figure 3This is a schematic diagram showing the disassembled trenching component and excavation bucket of this utility model.

[0016] In the diagram: 1. Excavation assembly; 101. Extending arm; 102. Excavating bucket; 103. Blade; 104. First connecting lug; 105. Extending arm connecting rod; 106. Bucket connecting rod; 107. Bucket cylinder; 108. Limiting slot; 109. Second connecting lug; 2. Trenching assembly; 201. Trapezoidal side bucket; 202. Connecting rod; 203. Bottom scraper; 204. Third connecting lug; 205. Limiting pin; 206. Top scraper. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-3 In this embodiment of the utility model, a trench excavator includes an excavation assembly 1 consisting of an extension arm 101, a digging bucket 102, a first connecting lug 104, an extension arm connecting rod 105, a bucket connecting rod 106, and a bucket cylinder 107. The first connecting lug 104 is fixed to the top front end of the digging bucket 102. The bucket connecting rod 106 is symmetrically rotatably connected to both sides of the extension arm 101 near the bottom. The rear end of the outer shell of the bucket cylinder 107 is rotatably connected to the rear end of the extension arm 101 near the top. The bottom ends of the extension arm 101 and the extension arm connecting rod 105 are rotatably connected to the first connecting lug 104, respectively. The top end of the extension arm connecting rod 105 is rotatably connected to the middle of the two bucket connecting rods 106. The output end of the bucket cylinder 107 is rotatably connected to the inner side of the top end of the extension arm connecting rod 105. A trench trimming assembly 2 is provided on the outer side of the digging bucket 102. The trench trimming assembly 2 and the digging bucket 102 are combined to form a trapezoidal bucket for trapezoidal trench excavation.

[0019] The trench repair assembly 2 includes a trapezoidal side bucket 201, a connecting rod 202, a third connecting lug 204, and a limiting pin 205. Two trapezoidal side buckets 201 are provided, which are symmetrically distributed on both sides of the excavation bucket 102. The connecting rod 202 is fixed in the middle of the two trapezoidal side buckets 201 and distributed at the front end of the excavation bucket 102. A limiting slot 108 is opened at the front end of the excavation bucket 102. The trapezoidal side bucket 201 and the excavation bucket 102 are initially connected by the connecting rod 202 engaging with the inner side of the limiting slot 108.

[0020] The third connecting ear 204 is symmetrically fixed to the top rear end of the two trapezoidal side buckets 201. The top rear end of the digging bucket 102 is symmetrically fixed with two second connecting ears 109. The limiting pin 205 passes through the third connecting ear 204 and the second connecting ear 109 in sequence to realize the fixed connection between the trapezoidal side bucket 201 and the digging bucket 102.

[0021] Bottom scrapers 203 are welded and fixed to the bottom of the two trapezoidal side buckets 201. A blade 103 is installed at the bottom front end of the digging bucket 102. The bottom scrapers 203 are attached to the bottom of the digging bucket 102 and the blade 103, and the front end of the bottom scrapers 203 protrudes from the front end of the blade 103.

[0022] In this embodiment, it should be further explained that: the top of the extension boom 101 is rotatably connected to the excavator boom, and an extension boom cylinder is installed on the boom to drive the extension boom 101 to rotate. The boom is rotatably connected to the excavator body, and the excavator bucket 102 can be dug by the excavator body having an extension boom cylinder installed on it to drive the boom to rotate, and by the sequential operation control of the extension boom cylinder, the extension boom cylinder, and the bucket cylinder 107.

[0023] When the trench excavation is completed and a trapezoidal shape adjustment is required, a corresponding trench trimming component 2 can be installed on the outside of the excavation bucket 102. The operation steps are as follows:

[0024] The trench repair assembly 2 is placed on the ground with its bottom scraper 203 in contact with the ground. Then, the excavator is controlled to move the digging bucket 102 to the rear end of the middle position of the two trapezoidal side buckets 201, and the digging bucket 102 is inserted into the middle area of ​​the two trapezoidal side buckets 201. Finally, the digging bucket 102 is located in the middle of the two trapezoidal side buckets 201, and the limiting slot 108 on the digging bucket 102 is sleeved on the outside of the connecting rod 202. The bottom of the digging bucket 102 is in contact with the upper surface of the bottom scraper 203, and the second connecting ear 109 and the third connecting ear 204 are aligned horizontally.

[0025] Then, the limiting pin 205 is taken and passed through the third connecting ear 204 and the second connecting ear 109 in sequence, so as to realize the relative connection between the third connecting ear 204 and the second connecting ear 109, and the digging bucket 102 and the trapezoidal side bucket 201 are completely fixed.

[0026] The trapezoidal bucket, composed of the excavating bucket 102 and two trapezoidal side buckets 201, matches the required trench shape. The trench shape can be modified by using the trapezoidal bucket. When secondary excavation is required, the limiting pin 205 can be removed to separate the excavating bucket 102 from the trench modification component 2. Compared with the traditional operation method of frequently disassembling and installing the excavating bucket, trapezoidal bucket and forearm 101, there is no need to disassemble the excavating bucket 102 and forearm 101. The overall operation is simpler and more efficient.

[0027] Please refer to this carefully. Figures 1-3 Multiple limiting slots 108 are evenly arranged in the vertical direction, and the number and position of connecting rods 202 correspond one-to-one with the number and position of limiting slots 108;

[0028] The inner front side of the limiting slot 108 has an arc-shaped structure, the height of the inner wall of the limiting slot 108 matches the diameter of the connecting rod 202, and the distance between the two trapezoidal side buckets 201 matches the width of the digging bucket 102.

[0029] In this embodiment, the arc-shaped structure of the limiting slot 108 makes the opening of the limiting slot 108 into a trumpet-shaped structure, thereby enabling the limiting slot 108 to better engage with the connecting rod 202. The structure of multiple sets of limiting slots 108 and connecting rods 202 can further increase the connection force between the excavating bucket 102 and the trapezoidal side bucket 201, thereby ensuring the stability of daily use.

[0030] Please refer to this carefully. Figures 1-3 A top scraper 206 is welded and fixed to the top of the two trapezoidal side buckets 201 on the side that is far apart from each other.

[0031] In this embodiment: when the trench is trimmed by the trapezoidal bucket composed of the excavation bucket 102 and the trapezoidal side bucket 201, the top scraper 206 can be used to scrape the top of the trench on both sides.

[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A trench excavator, comprising an excavation assembly (1) consisting of an extension arm (101), a digging bucket (102), a first connecting lug (104), an extension arm connecting rod (105), a bucket connecting rod (106), and a bucket cylinder (107), wherein the first connecting lug (104) is fixed to the top front end of the digging bucket (102), the bucket connecting rod (106) is symmetrically rotatably connected to both sides of the extension arm (101) near the bottom, the rear end of the outer shell of the bucket cylinder (107) is rotatably connected to the rear end of the extension arm (101) near the top, the bottom ends of the extension arm (101) and the extension arm connecting rod (105) are respectively rotatably connected to the first connecting lug (104), the top end of the extension arm connecting rod (105) is rotatably connected to the middle of the two bucket connecting rods (106), and the output end of the bucket cylinder (107) is rotatably connected to the inner side of the top end of the extension arm connecting rod (105), characterized in that, A trenching assembly (2) is provided on the outside of the excavation bucket (102). The trenching assembly (2) and the excavation bucket (102) are combined to form a trapezoidal bucket for excavating trapezoidal trenches.

2. The trench excavator according to claim 1, characterized in that, The trench repair assembly (2) includes a trapezoidal side bucket (201), a connecting rod (202), a third connecting lug (204), and a limiting pin (205); Two trapezoidal side buckets (201) are provided, and the two trapezoidal side buckets (201) are symmetrically distributed on both sides of the digging bucket (102). The connecting rod (202) is fixed in the middle of the two trapezoidal side buckets (201) and distributed at the front end of the digging bucket (102). A limiting slot (108) is opened at the front end of the digging bucket (102). The trapezoidal side bucket (201) and the digging bucket (102) are initially connected by the connecting rod (202) engaging with the inner side of the limiting slot (108). The third connecting ear (204) is symmetrically fixed to the top rear end of the two trapezoidal side buckets (201), and the top rear end of the digging bucket (102) is symmetrically fixed with two second connecting ears (109). The limiting pin (205) passes through the third connecting ear (204) and the second connecting ear (109) in sequence to realize the fixed connection between the trapezoidal side bucket (201) and the digging bucket (102).

3. A trench excavator according to claim 2, characterized in that, Bottom scrapers (203) are welded and fixed to the bottom of the two trapezoidal side buckets (201). A shovel (103) is installed at the bottom front end of the digging bucket (102). The bottom scraper (203) is attached to the bottom of the digging bucket (102) and the shovel (103), and the front end of the bottom scraper (203) protrudes from the front end of the shovel (103).

4. A trench excavator according to claim 2, characterized in that, The limiting slots (108) are evenly arranged in a vertical direction, and the number and position of the connecting rods (202) correspond one-to-one with the number and position of the limiting slots (108).

5. A trench excavator according to claim 2, characterized in that, The inner front side of the limiting slot (108) has an arc-shaped structure. The height of the inner wall of the limiting slot (108) matches the diameter of the connecting rod (202). The distance between the two trapezoidal side buckets (201) matches the width of the digging bucket (102).

6. A trench excavator according to claim 2, characterized in that, A top scraper (206) is welded and fixed to the top of the two trapezoidal side buckets (201) on the side that is far apart from each other.

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