A shovel bucket with replaceable bucket teeth for use in surface coal mining

Abstract

The application discloses a shovel bucket with convenient-to-replace bucket teeth for electric shovels of open-pit coal mines, which comprises a body, the body is provided with a mounting block at an edge, the mounting block is provided with a supporting plug block at an end face, and a square groove is further arranged at the end face of the supporting plug block; a bucket tooth is arranged at an end face of the bucket tooth, the supporting plug block is inserted into a slot of the bucket tooth, and a square column is further arranged at the end face of the bucket tooth and embedded in the square groove; the application improves the convenience of installation and dismounting of the tooth, and guarantees the structural stability of the installation.

Description

Technical Field

[0001] This invention relates to the field of electric shovel technology, and in particular to a bucket for an open-pit coal mine electric shovel with easily replaceable bucket teeth. Background Technology

[0002] Open-pit coal mine electric shovels are large-scale open-pit mining and loading equipment, employing numerous advanced domestic and international technologies. They are suitable for stripping and loading operations in large open-pit coal mines, iron ore mines, and non-ferrous metal mines. Also known as rope shovels or cable shovels, these are mechanical electric excavators that use gears, chains, and cable pulley systems to transmit power in a single-bucket excavator. While there are many types and quantities of shovels used in open-pit coal mine electric shovels on the market, most designs make it difficult to replace the bucket teeth. Specifically, they use a side-mounted pin system to fix the bucket teeth. Because the distance between the bucket teeth is too close, disassembling and assembling the pins is inconvenient and requires forceful hammering, making it difficult to apply force. Therefore, improvements are needed to address the bucket tooth replacement issue and facilitate easier replacement. Summary of the Invention

[0003] The purpose of this section is to outline some aspects of the embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this section, the abstract and title of the invention. Such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In view of the problems existing in the above and / or prior art, the present invention is proposed.

[0005] Therefore, the technical problem to be solved by the present invention is that the existing pin-fixing method makes it difficult to disassemble and assemble the bucket teeth.

[0006] To solve the above technical problems, the present invention provides the following technical solution: a bucket for an electric shovel in an open-pit coal mine with easy-to-replace bucket teeth, comprising a body, wherein an mounting block is provided at the edge of the body, a support insert is provided on the end face of the mounting block, and a square groove is also provided on the end face of the support insert.

[0007] The bucket teeth have slots on their end faces, and the support blocks are inserted into the slots. The bucket teeth also have square posts on their end faces, and the square posts are embedded in the square slots.

[0008] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines according to the present invention, wherein: a fixed shaft is provided in the slot, a fixed groove is provided on the end face of the mounting block, and the fixed shaft is inserted into the fixed groove.

[0009] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the open-pit coal mine electric shovel of the present invention, wherein: the square column is provided with a groove to form a cylinder.

[0010] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines described in this invention, the bottom of the square groove is provided with a circular groove, and the side wall of the circular groove is provided with a helical groove.

[0011] As a preferred embodiment of the bucket for easy replacement of bucket teeth for electric shovels used in open-pit coal mines according to the present invention, wherein: a ring plate is provided in the circular groove, and the ring plate is connected to the bottom of the circular groove by a first spring;

[0012] The ring plate has square holes.

[0013] As a preferred embodiment of the bucket for easy replacement of bucket teeth for open-pit coal mine electric shovels according to the present invention, a guide groove is provided between the square groove and the fixed groove, the guide groove is connected to the square groove through a first through groove, and the guide groove is connected to the fixed groove through a second through groove.

[0014] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines described in this invention, the guide groove is provided with a retaining shaft, one end of the retaining shaft is provided with a first hemisphere, and the other end is provided with a second hemisphere.

[0015] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines according to the present invention, wherein: a collar is provided on the outer side of the ferrule, and the collar is connected to the side wall of the guide groove by a second spring.

[0016] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines described in this invention, a hemispherical groove is provided on the side of the fixed shaft.

[0017] As a preferred embodiment of the bucket for easy replacement of bucket teeth in the electric shovel for open-pit coal mines according to the present invention, wherein: the mounting block is provided with a through groove communicating with the circular groove, and the ring plate is connected with a hanging shaft, which passes through the through groove.

[0018] The beneficial effects of the present invention are: the present invention improves the ease of installation and disassembly of the locking teeth, while ensuring the structural stability of the installation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0020] Figure 1 A schematic diagram of the overall structure of a bucket for an open-pit coal mine electric shovel with easily replaceable bucket teeth, provided by an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the structure of the mounting block in the bucket of an open-pit coal mine electric shovel, which facilitates the replacement of bucket teeth, provided by an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of the structure of the bucket teeth in the bucket of an open-pit coal mine electric shovel, which is designed for easy replacement of bucket teeth, is provided as an embodiment of the present invention.

[0023] Figure 4 A schematic diagram of the structure of the bucket ring plate for easy replacement of bucket teeth in an embodiment of the present invention for an electric shovel used in open-pit coal mines;

[0024] Figure 5 A cross-sectional structural diagram of the mounting block and bucket teeth in the bucket of an open-pit coal mine electric shovel, which facilitates the replacement of bucket teeth, is provided as an embodiment of the present invention. Detailed Implementation

[0025] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the present invention will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure will be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0028] Furthermore, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments.

[0029] Example 1

[0030] Reference Figures 1-4This embodiment provides a bucket for an open-pit coal mine electric shovel with easily replaceable bucket teeth, including: a body 100, an mounting block 101 at the edge of the body 100, a support insert 102 on the end face of the mounting block 101, and a square groove 103 on the end face of the support insert 102; bucket teeth 200, a slot 201 on the end face of the bucket teeth 200, the support insert 102 being inserted into the slot 201, and a square post 202 on the end face of the bucket teeth 200, which is embedded in the square groove 103.

[0031] It should be noted that the square grooves 103 are evenly distributed on the end face of the mounting block 101 to ensure the stability of the structure. Preferably, the support block 102 is located at the center of the end face of the mounting block 101.

[0032] Specifically, the mounting blocks 101 are arranged in a linear array on the body 100. Due to usage requirements, the distance between the mounting blocks 101 is not too far. Therefore, the existing method of fixing with pins on the side is extremely inconvenient. In this invention, the locking teeth 200 are sleeved on the support inserts 102 on the end face of the mounting blocks 101, forming a connection while ensuring the structural strength of the teeth 200. The positions and shapes of the square columns 202 and the square grooves 103 correspond.

[0033] Furthermore, a fixed shaft 203 is provided in the slot 201, and a fixed groove 104 is provided on the end face of the mounting block 101, into which the fixed shaft 203 is inserted.

[0034] The fixed shaft 203 and the fixed groove 104 are in the same position and dimension.

[0035] Furthermore, a groove is provided on the square column 202 to form a cylinder 204; a circular groove 105 is provided at the bottom of the square groove 103, and a helical groove 106 is provided on the side wall of the circular groove 105; an annular plate 107 is provided in the circular groove 105, and the annular plate 107 is connected to the bottom of the circular groove 105 by a first spring 107a; a square hole 107b is provided in the annular plate 107.

[0036] It should be noted that the side of the ring plate 107 is also provided with a convex ball 107c, which is embedded in the helical groove 106. Under the limitation of this structure, when the ring plate 107 is forcefully pushed to move linearly, the ring plate 107 will rotate synchronously.

[0037] Furthermore, the square hole 107b and the square groove 103 have the same shape and size. The square hole 107b is a square hole structure. In the initial state, under the action of the first spring 107a, the ring plate 107 is close to the side of the square groove 103. At this time, the positions of the square hole 107b and the square groove 103 do not correspond. Specifically, the two are 45° apart. That is, when the square column 202 is inserted into the square groove 103 and pushed inward, because the positions of the square hole 107b and the square groove 103 do not correspond, the square column 202 will push the ring plate 107 to move inward. Under the structural action of the helical groove 106, the ring plate 107 moves in a straight line and rotates until it rotates 45° at the bottom and corresponds to the position of the square hole 107b. Continue to push, and the end of the square column 202 passes through the square hole 107b. The ring plate 107 is outside the cylinder 204 and is unrestricted. Therefore, under the action of the first spring 107a, the ring plate 107 is reset.

[0038] It should be noted that the angle of rotation of the ring plate 107 from one end of the helical groove 106 to the other end is 45°, which is achieved by limiting the size of the helical groove 106.

[0039] A guide groove 108 is provided between the square groove 103 and the fixed groove 104. The guide groove 108 is connected to the square groove 103 through a first through groove 108a, and the guide groove 108 is connected to the fixed groove 104 through a second through groove 108b. A retaining shaft 109 is provided in the guide groove 108. A first hemisphere 109a is provided at one end of the retaining shaft 109, and a second hemisphere 109b is provided at the other end.

[0040] It should be noted that the total length of the guide groove 108 plus the second through groove 108b and the first through groove 108a is less than the total length of the retaining shaft 109 by the length of the first hemisphere 109a. That is, when one end of the retaining shaft 109 is aligned with the side wall of the fixing groove 104, the first hemisphere 109a at the other end of the retaining shaft 109 will be in the circular groove 105.

[0041] Furthermore, a collar 109c is provided on the outer side of the retaining shaft 109, and the collar 106c is connected to the side wall of the guide groove 108 through the second spring 109d. A hemispherical groove 203a is provided on the side of the fixed shaft 203.

[0042] The collar 106c is used to limit the fixed shaft 203. Specifically, the second spring 109d tends to cause the second hemisphere 109b to extend into the fixed groove 104.

[0043] It should be noted that the position of the collar 109c in its initial state corresponds to the position of the guide groove 108.

[0044] Specifically, the complete process of installing the locking tooth 200 onto the mounting block 101 is as follows: the locking tooth 200 is fitted onto the support insert block 102, and at the same time, the fixing shaft 203 is inserted into the fixing groove 104 and the square post 202 is inserted into the square groove 103. The square post 202 is then inserted to push the ring plate 107 away from the first through groove 108a. Subsequently, the fixing shaft 203 presses the second hemisphere 109b, pushing the locking shaft 109 to move until the hemisphere groove 203a corresponds to the position of the locking shaft 109. The second hemisphere 109b is then embedded in the hemisphere groove 203a. At the same time, the ring plate 107 returns to its original position and continues to seal the first through groove 108a, ensuring that the second hemisphere 109b will not be pushed away from the fixing shaft 203, thus achieving fixation.

[0045] Furthermore, the mounting block 101 is provided with a through groove 101a that communicates with the circular groove 105, and the ring plate 107 is connected with a hanging shaft, which passes through the through groove 101a.

[0046] The end of the hanging shaft is provided with a pull ring. Specifically, the ring plate 107 can be moved by pushing and pulling the pull ring along the length direction of the locking tooth 200, so that the locking tooth 200 can be completely disassembled.

[0047] The advantages of this structure are: 1. Stable structure, the return setting of the ring plate 107 ensures that the fixed shaft 203 cannot be pulled out from the fixed groove 104; 2. Easy to install and disassemble, it can achieve self-locking during installation, and the disassembly process is not hindered by other locking teeth. Just push and pull the ring along the locking teeth 200 towards the mounting block 101.

[0048] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0049] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the currently considered best mode for carrying out the invention, or those features that are not relevant to implementing the invention) may be omitted.

[0050] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0051] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A bucket for an electric shovel used in open-pit coal mines, characterized in that: include, The body (100) has an installation block (101) at its edge, and a support plug (102) is provided on the end face of the installation block (101). The end face of the support plug (102) is also provided with a square groove (103). Bucket teeth (200), the end face of the bucket teeth (200) is provided with a slot (201), the support block (102) is inserted into the slot (201), the end face of the bucket teeth (200) is also provided with a square post (202), the square post (202) is embedded in the square groove (103); A fixing shaft (203) is provided in the slot (201), and a fixing groove (104) is provided on the end face of the mounting block (101), and the fixing shaft (203) is inserted into the fixing groove (104); The square column (202) is provided with a groove to form a cylinder (204); The bottom of the square groove (103) is provided with a circular groove (105), and the side wall of the circular groove (105) is provided with a helical groove (106). A ring plate (107) is provided in the circular groove (105), and the ring plate (107) is connected to the bottom of the circular groove (105) by a first spring (107a); The annular plate (107) is provided with a square hole (107b); The side of the ring plate (107) is also provided with a convex ball (107c), which is embedded in the helical groove (106).

2. The bucket for easy-to-change bucket teeth of an electric shovel for open-pit coal mines according to claim 1, characterized in that: A guide groove (108) is provided between the square groove (103) and the fixed groove (104). The guide groove (108) is connected to the square groove (103) through a first through groove (108a), and the guide groove (108) is connected to the fixed groove (104) through a second through groove (108b).

3. The bucket for easy-to-change bucket teeth of an electric shovel for open-pit coal mines according to claim 2, characterized in that: A retaining shaft (109) is provided in the guide groove (108). One end of the retaining shaft (109) is provided with a first hemisphere (109a) and the other end is provided with a second hemisphere (109b).

4. The bucket for easy-to-change bucket teeth of an electric shovel for open-pit coal mines according to claim 3, characterized in that: A collar (109c) is provided on the outside of the clasp (109), and the collar (109c) is connected to the side wall of the guide groove (108) through a second spring (109d).

5. The bucket for an open-pit coal mine electric shovel with easily replaceable bucket teeth according to any one of claims 1-4, characterized in that: The fixed shaft (203) has a hemispherical groove (203a) on its side.

6. The bucket for an open-pit coal mine electric shovel with easily replaceable bucket teeth according to any one of claims 1-4, characterized in that: The mounting block (101) is provided with a through groove (101a) that communicates with the circular groove (105), and the ring plate (107) is connected with a hanging shaft, which passes through the through groove (101a).

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