An electric shovel device in which a dipper is easily replaced
By incorporating hanging rings and limiting components into the electric shovel device, the problem of inconvenient bucket installation has been solved, enabling convenient bucket replacement and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUANENG YIMIN COAL POWER CO LTD
- Filing Date
- 2023-03-30
- Publication Date
- 2026-06-12
AI Technical Summary
The buckets of existing electric shovels in open-pit coal mines are inconvenient to install, increasing operational risks.
An electric shovel device that facilitates bucket replacement was designed. By setting up structures such as hanging rings, limiting parts, mounting shafts and locking blocks on the end head and the bucket, a reliable connection and convenient disassembly of the bucket and the end head can be achieved.
The bucket can be installed and removed without personnel approaching it, improving safety.
Smart Images

Figure CN116335673B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of electric shovel technology, and in particular to an electric shovel device that facilitates bucket replacement. 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 mines, and non-ferrous metal mines. Also known as rope shovels or cable shovels, these are mechanical electric excavators that utilize gears, chains, and steel cable pulley systems to transmit power in a single-bucket excavator.
[0003] Although there are many types and quantities of electric shovels used in open-pit coal mines on the market, the existing electric shovel devices are not convenient for installing their buckets, which increases the danger during operation. Summary of the Invention
[0004] 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.
[0005] In view of the problems existing in the above and / or prior art, the present invention is proposed.
[0006] Therefore, the technical problem to be solved by the present invention is that existing buckets are inconvenient to install.
[0007] To solve the above technical problems, the present invention provides the following technical solution: an electric shovel device that facilitates bucket replacement, comprising an end head, wherein the bottom of the end head is provided with a hanging ring and a pressing groove, and a limiting member is provided in the pressing groove;
[0008] The bucket includes a first plate disposed on the top and a second plate disposed on the back of the bucket. A first mounting shaft is disposed between the first plate and a second mounting shaft is disposed between the second plate. The hanging ring abuts against the first mounting shaft, and the second mounting shaft is fixed in the pressure groove by a limiting member.
[0009] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, wherein: a top groove is provided at the top of the end head, and a pull shaft is provided in the top groove.
[0010] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, the bottom of the pressure groove is provided with a semi-circular groove, the side wall of the pressure groove is provided with a side groove, and the bottom of the side groove is provided with a bottom groove.
[0011] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, the limiting member includes a locking block and a side block disposed at the end of the locking block, the locking block being embedded in the side groove, and the side block being embedded in the bottom groove.
[0012] In a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, the locking block is connected to the bottom of the trough via a first spring.
[0013] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, wherein: the other end of the locking block is provided with a first arc groove and a second arc groove.
[0014] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, a stop shaft is provided below the first mounting shaft.
[0015] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, it further includes a toothed seat, which is disposed on the bucket. The toothed seat has an installation block at its edge, and the end face of the installation block is provided with an inner support block. The end face of the inner support block is also provided with a square groove.
[0016] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this invention, it further includes bucket teeth, the end face of which is provided with a slot, the inner support block is inserted into the slot, and the end face of the bucket teeth is also provided with a square post, which is embedded in the square slot.
[0017] As a preferred embodiment of the electric shovel device for easy bucket replacement described in this 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.
[0018] The beneficial effects of this invention are: This invention facilitates the installation of the bucket without requiring personnel to approach the bucket, thus improving safety. 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 an electric shovel device for easy bucket replacement according to an embodiment of the present invention is provided;
[0021] Figure 2 An exploded structural diagram of the end cap and bucket in an electric shovel device for easy bucket replacement according to an embodiment of the present invention;
[0022] Figure 3 A schematic diagram of the overall cross-sectional structure of an electric shovel device for easy bucket replacement according to an embodiment of the present invention;
[0023] Figure 4 A cross-sectional structural diagram of the mounting block in an electric shovel device for easy bucket replacement according to an embodiment of the present invention;
[0024] Figure 5 This is a schematic diagram of the bucket teeth in an electric shovel device for easy bucket replacement, 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 1-3This embodiment provides an electric shovel device that facilitates bucket replacement, including: an end 100, with a hanging ring 101 and a pressure groove 102 at the bottom of the end 100, and a limiting member 103 in the pressure groove 102; and a bucket 200, which includes a first plate 201 disposed on the top and a second plate 202 disposed on the back of the bucket 200. A first mounting shaft 201a is disposed between the first plates 201, and a second mounting shaft 202a is disposed between the second plates 202. The hanging ring 101 abuts against the first mounting shaft 201a, and the second mounting shaft 202a is fixed in the pressure groove 102 by the limiting member 103.
[0031] In this invention, the end head 100 is a connecting component set at the end of the robotic arm and connected to the forearm. The bucket 200 is connected to the end head 100. Specifically, the hanging ring 101 abuts against the first mounting shaft 201a, and the second mounting shaft 202a is fixed in the pressure groove 102 to realize the connection between the bucket 200 and the end head 100.
[0032] Specifically, the pressure groove 102 is an arc-shaped groove structure with the center of the hanging ring 101 as the center. Specifically, during the installation process, the hanging ring 101 can be aligned with the first mounting shaft 201a, and the end head 100 can be rotated with the first mounting shaft 201a as the center. The second mounting shaft 202a will then enter the pressure groove 102 and be fixed by the limiting member 10.
[0033] Furthermore, a top groove 104 is provided at the top of the end 100, and a pull shaft 105 is provided in the top groove 104.
[0034] It should be noted that the pull shaft 105 is used to connect with the boom of the loader to control the movement of the bucket.
[0035] Furthermore, a semi-circular groove 106 is provided at the bottom of the pressure groove 102, a side groove 102a is provided on the side wall of the pressure groove 102, a bottom groove 102b is provided at the bottom of the side groove 102a, and the limiting member 103 includes a locking block 103a and a side block 103b provided at the end of the locking block 103a. The locking block 103a is embedded in the side groove 102a, and the side block 103b is embedded in the bottom groove 102b.
[0036] The locking block 103a is connected to the bottom of the bottom groove 102b via the first spring 103c; the other end of the locking block 103a is provided with a first arc groove 103d and a second arc groove 103e, and an abutment shaft 201b is provided below the first mounting shaft 201a.
[0037] Specifically, the limiting members 103 are arranged in pairs on the side wall of the pressure groove 102.
[0038] Specifically, the first arc groove 103d is oriented toward the pressure groove 102.
[0039] It should be noted that after the second mounting shaft 202a enters the pressure groove 102, it contacts and presses against the first arc groove 103d, pushing the locking block 103a to move to both sides. The locking block 103a is squeezed into the side groove 102a, and the second mounting shaft 202a passes over the locking block 103a and enters the semi-circular groove 106. The locking block 103a returns to its original position under the action of the first spring 103c, limiting the second mounting shaft 202a. At the same time, the abutment shaft 201b is in the first arc groove 103d. Due to the setting of the abutment shaft 201b, the second mounting shaft 202a has no outward stroke, so it cannot press the locking block 103a to expand to both sides. Therefore, the second mounting shaft 202a will not separate from the end 100.
[0040] The disassembly of the bucket 200 can be achieved by means including but not limited to electromagnet drive. Specifically, it is only necessary to control the movement of the locking block 103a to both sides. For protection purposes, no further details will be provided here.
[0041] Example 2
[0042] Reference Figures 1-5 The difference between this embodiment and the previous embodiment is that it also includes a tooth holder 300, which is disposed on the bucket 200. The tooth holder 300 has an installation block 301 at its edge, and an inner support block 302 is provided on the end face of the installation block 301. The end face of the inner support block 302 is also provided with a square groove 303. The bucket tooth 400 has a slot 401 on its end face, and the inner support block 302 is inserted into the slot 401. The end face of the bucket tooth 400 is also provided with a square post 402, which is embedded in the square groove 303.
[0043] It should be noted that the square grooves 303 are evenly distributed on the end face of the mounting block 301 to ensure the stability of the structure. Preferably, the inner support block 302 is located at the center of the end face of the mounting block 301.
[0044] Specifically, the mounting blocks 301 are arranged in a linear array on the tooth base 300. Due to usage requirements, the distance between the mounting blocks 301 is not too far. Therefore, the existing method of fixing with pins on the side is extremely inconvenient. In this invention, the bucket teeth 400 are sleeved on the inner support block 302 on the end face of the mounting blocks 301, forming a connection while ensuring the structural strength of the bucket teeth 400. The positions and shapes of the square column 402 and the square groove 303 correspond.
[0045] Furthermore, a fixed shaft 403 is provided in the slot 401, and a fixed groove 304 is provided on the end face of the mounting block 301, into which the fixed shaft 403 is inserted.
[0046] The fixed shaft 403 and the fixed groove 304 are in the same position and dimension.
[0047] Furthermore, a groove is provided on the square column 402 to form a cylinder 404; a circular groove 305 is provided at the bottom of the square groove 303, and a helical groove 306 is provided on the side wall of the circular groove 305; an annular plate 307 is provided in the circular groove 305, and the annular plate 307 is connected to the bottom of the circular groove 305 through a second spring 307b; a square hole 307a is provided in the annular plate 307.
[0048] It should be noted that the side of the ring plate 307 is also provided with a convex ball 307c, which is embedded in the helical groove 306. Under the constraint of this structure, when the ring plate 307 is forcefully pushed to move linearly, the ring plate 307 will rotate synchronously.
[0049] Furthermore, the square hole 307a and the square groove 303 have the same shape and size. The square hole 307a is a square hole structure. In the initial state, the ring plate 307 is close to the side of the square groove 303 under the action of the second spring 307b. At this time, the positions of the square hole 307a and the square groove 303 do not correspond. Specifically, the two are 45° apart. That is, when the square column 402 is inserted into the square groove 303 and pushed inward, because the positions of the square hole 307a and the square groove 303 do not correspond, the square column 402 will push the ring plate 307 to move inward. Under the structural action of the helical groove 306, the ring plate 307 moves in a straight line and rotates until it rotates 45° at the bottom and corresponds to the position of the square hole 307a. Continue to push, and the end of the square column 402 passes through the square hole 307a. The ring plate 307 is outside the cylinder 404 and is unrestricted. Therefore, under the action of the second spring 307b, the ring plate 307 is reset.
[0050] It should be noted that the angle of rotation of the ring plate 307 from one end of the helical groove 306 to the other end is 45°, which is achieved by limiting the size of the helical groove 306.
[0051] A guide groove 308 is provided between the square groove 303 and the fixed groove 304. The guide groove 308 is connected to the square groove 303 through a first through groove 308a, and the guide groove 308 is connected to the fixed groove 304 through a second through groove 308b. A retaining shaft 309 is provided in the guide groove 308. A first hemisphere 309a is provided at one end of the retaining shaft 309, and a second hemisphere 309b is provided at the other end.
[0052] It should be noted that the total length of the guide groove 308 plus the second through groove 308b and the first through groove 308a is less than the total length of the retaining shaft 309 by the length of the first hemisphere 309a. That is, when one end of the retaining shaft 309 is aligned with the side wall of the fixing groove 304, the first hemisphere 309a at the other end of the retaining shaft 309 will be in the circular groove 305.
[0053] Furthermore, a collar 309c is provided on the outer side of the retaining shaft 309. The collar 309c is connected to the side wall of the guide groove 308 through a third spring 309d. A hemispherical groove 403a is provided on the side of the fixed shaft 403.
[0054] The collar 309c is used to limit the fixed shaft 403. Specifically, the third spring 309d tends to cause the second hemisphere 309b to extend into the fixed groove 304.
[0055] It should be noted that the position of the collar 309c in its initial state corresponds to the position of the guide groove 308.
[0056] Specifically, the complete process of installing the bucket teeth 400 onto the mounting block 301 is as follows: the bucket teeth 400 are fitted onto the inner support block 302, and at the same time, the fixed shaft 403 is inserted into the fixed groove 304 and the square column 402 is inserted into the square groove 303. The square column 402 is then inserted to push the ring plate 307 away from the first through groove 308a. Subsequently, the fixed shaft 403 presses the second hemisphere 309b, pushing the retaining shaft 309 to move until the hemisphere groove 403a corresponds to the position of the retaining shaft 309. The second hemisphere 309b is then embedded in the hemisphere groove 403a. At the same time, the ring plate 307 returns to its original position and continues to seal the first through groove 308a, ensuring that the second hemisphere 309b will not be pushed away from the fixed shaft 403, thus achieving fixation.
[0057] Furthermore, the mounting block 301 is provided with a through groove 301a that communicates with the circular groove 305, and the ring plate 307 is connected with a hanging shaft, which passes through the through groove 301a.
[0058] The end of the hanging shaft is equipped with a pull ring. Specifically, the entire bucket tooth 400 can be disassembled by pushing and pulling the pull ring along the length of the bucket tooth 400 to move the ring plate 307.
[0059] The advantages of this structure are: 1. Stable structure, the return setting of the ring plate 307 ensures that the fixed shaft 403 cannot be pulled out from the fixed groove 304; 2. Easy to install and disassemble, self-locking can be achieved during installation, and the disassembly process is not hindered by other bucket teeth. The pull ring can be pushed and pulled along the bucket teeth 400 towards the mounting block 301.
[0060] 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.
[0061] 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.
[0062] 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.
[0063] 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. An electric shovel device that facilitates bucket replacement, characterized in that: include, End (100), the bottom of the end (100) is provided with a hanging ring (101) and a pressure groove (102), and a limiting member (103) is provided in the pressure groove (102); The bucket (200) includes a first plate (201) disposed on the top and a second plate (202) disposed on the back of the bucket (200). A first mounting shaft (201a) is disposed between the first plates (201), and a second mounting shaft (202a) is disposed between the second plates (202). The hanging ring (101) abuts against the first mounting shaft (201a), and the second mounting shaft (202a) is fixed in the pressure groove (102) by a limiting member (103). A toothed seat (300) is provided on the bucket (200). The toothed seat (300) has an installation block (301) at its edge. The end face of the installation block (301) has an inner support block (302). The end face of the inner support block (302) also has a square groove (303). Bucket teeth (400), the end face of the bucket teeth (400) is provided with a slot (401), the inner support block (302) is inserted into the slot (401), the end face of the bucket teeth (400) is also provided with a square column (402), the square column (402) is embedded in the square groove (303); A fixing shaft (403) is provided in the slot (401), and a fixing groove (304) is provided on the end face of the mounting block (301), and the fixing shaft (403) is inserted into the fixing groove (304); The square column (402) is provided with a groove to form a cylinder (404); the bottom of the square groove (303) is provided with a circular groove (305), and the side wall of the circular groove (305) is provided with a helical groove (306); an annular plate (307) is provided in the circular groove (305), and the annular plate (307) is connected to the bottom of the circular groove (305) by a second spring (307b); a square hole (307a) is provided in the annular plate (307), and a convex ball (307c) is also provided on the side of the annular plate (307), and the convex ball (307c) is embedded in the helical groove (306); and a guide groove is provided between the square groove (303) and the fixing groove (304). (308), the guide groove (308) and the square groove (303) are connected through the first through groove (308a), and the guide groove (308) is connected to the fixed groove (304) through the second through groove (308b); a retaining shaft (309) is provided in the guide groove (308), one end of the retaining shaft (309) is provided with a first hemisphere (309a), and the other end is provided with a second hemisphere (309b). A collar (309c) is provided on the outside of the retaining shaft (309), and the collar (309c) is connected to the side wall of the guide groove (308) through a third spring (309d). A hemispherical groove (403a) is provided on the side of the fixed shaft (403).
2. The electric shovel device for easy bucket replacement according to claim 1, characterized in that: The top of the end (100) is provided with a top groove (104), and a pull shaft (105) is provided in the top groove (104).
3. The electric shovel device for easy bucket replacement according to claim 1 or 2, characterized in that: The bottom of the pressure groove (102) is provided with a semi-circular groove (106), the side wall of the pressure groove (102) is provided with a side groove (102a), and the bottom of the side groove (102a) is provided with a bottom groove (102b).
4. The electric shovel device for easy bucket replacement according to claim 3, characterized in that: The limiting member (103) includes a locking block (103a) and a side block (103b) disposed at the end of the locking block (103a). The locking block (103a) is embedded in the side groove (102a), and the side block (103b) is embedded in the bottom groove (102b).
5. The electric shovel device for easy bucket replacement according to claim 4, characterized in that: The locking block (103a) is connected to the bottom of the bottom groove (102b) via a first spring (103c).
6. The electric shovel device for easy bucket replacement according to claim 5, characterized in that: The other end of the card block (103a) is provided with a first arc groove (103d) and a second arc groove (103e).
7. The electric shovel device for easy bucket replacement according to any one of claims 4 to 6, characterized in that: An abutment (201b) is provided below the first mounting shaft (201a).