Surface mine mining vibrating feeder

Abstract

The application discloses an open-pit mine mining vibration feeder, which comprises a conveying unit, a feeding unit and a vibration unit, wherein the conveying unit comprises a belt conveyor, and a mounting plate is arranged on the belt conveyor; the feeding unit comprises a hopper fixedly arranged on the mounting plate, an opening is arranged below the hopper, and a cover plate is arranged above the hopper; the vibration unit is arranged on the side of the hopper; the eccentric unit comprises a first counterweight and a second counterweight which are arranged coaxially with a rotating shaft and outside the rotating shaft, and the first counterweight and the second counterweight are in a semi-ring structure; when the coal mine is fed, the vibration unit is arranged to strike the hopper, so that the hopper is prevented from being blocked; the vibration force of the vibration unit is adjusted in real time according to the volume and the feeding flow of the coal mine, so that the coal mine is prevented from being blocked due to small vibration force or dust and noise is generated due to large vibration force; the adjustment mode is simple and effective, and the feeding condition can be adjusted at any time.

Description

Technical Field

[0001] This invention relates to the field of coal mine feeders, and in particular to a vibrating feeder for open-pit mining. Background Technology

[0002] Currently, dual-mass near-resonance inertial vibrating feeders are widely used in industries such as metallurgy, mining, and coal. These feeders offer advantages such as low power consumption and large feeding capacity, thus finding some application in actual production. However, due to structural limitations, these feeders cannot be adjusted online in real-time during operation. This is because the vibration force is typically achieved through a fixed-power vibrator or the vibration frequency of a vibration drive motor. Adjusting the vibration force would require replacing the drive motor with a different model, making the operation cumbersome and preventing timely adjustments. 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 specification abstract and the title of the invention, to avoid obscuring the purpose of this section, the specification abstract, and the title of the invention. Such simplifications or omissions shall not be used to limit the scope of the 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 vibration force of the feeder is generally achieved by the vibration frequency of the vibrator with fixed power or the vibration drive motor. Because if the vibration force is adjusted, it is necessary to replace the drive motor with a different model, which is cumbersome in practice and cannot be adjusted in a timely manner.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a vibrating feeder for open-pit mining, comprising a conveying unit including a belt conveyor, wherein the belt conveyor is provided with an mounting plate;

[0007] The feeding unit includes a hopper fixedly mounted on the mounting plate, with an opening below the hopper and a cover plate above the hopper;

[0008] A vibration unit is installed on the side of the silo.

[0009] In a preferred embodiment of the open-pit mining vibrating feeder of the present invention, the hopper includes a side plate, the vibration unit includes two bearing seats disposed on the side plate, a rotating shaft is disposed in the bearing seats, and a drive motor is connected to the rotating shaft.

[0010] In a preferred embodiment of the open-pit mining vibrating feeder of the present invention, the side plate is provided with a slide rail, the bearing seat is provided with a slide groove, and the slide groove is slidably connected to the slide rail.

[0011] In a preferred embodiment of the open-pit mining vibrating feeder of the present invention, a plurality of positioning holes are evenly arranged on the slide rail, and the bearing seat is provided with a threaded hole that penetrates the slide groove. The threaded hole and the positioning hole are connected by bolts.

[0012] As a preferred embodiment of the open-pit mining vibrating feeder of the present invention, it further includes an eccentric unit, comprising a first load-bearing component and a second load-bearing component arranged coaxially with the rotating shaft outside the rotating shaft, wherein the first load-bearing component and the second load-bearing component are semi-circular structures;

[0013] The rotating shaft is a hollow shaft, and the rotating shaft is provided with a first long groove and a second long groove extending along the axial direction. The end of the first long groove extends into a first strip groove along the circumferential direction, and the end of the second long groove extends into a second strip groove along the circumferential direction. The first long groove and the first strip groove are connected in an L-shape, and the second long groove and the second strip groove are connected in an L-shape.

[0014] As a preferred embodiment of the open-pit mining vibrating feeder of the present invention, wherein: a first pin is provided on the inner side of the first load-bearing component, and the first pin is embedded in the first long groove and the first strip groove;

[0015] The second load-bearing component has a second pin on its inner side, and the second pin is embedded in the second long groove and the second strip groove;

[0016] The central angles of the first and second grooves are 90°.

[0017] When the first pin is located in the first groove and the second pin is located in the second groove, the first load-bearing component and the second load-bearing component are in parallel and their end faces are in contact.

[0018] When the first pin is located in the first long slot and the second pin is located in the second long slot, the side of the first load-bearing component coincides with the side of the second load-bearing component.

[0019] As a preferred embodiment of the open-pit mining vibrating feeder of the present invention, the rotating shaft is provided with a first rotating cylinder and a second rotating cylinder, and an annular groove is provided in the rotating shaft. Both the first rotating cylinder and the second rotating cylinder are provided with limiting protrusions located in the annular groove. A first inclined groove is provided on the outer periphery of the first rotating cylinder, and a first pin is embedded in the first inclined groove. A second inclined groove is provided on the outer periphery of the second rotating cylinder, and a second pin is embedded in the second inclined groove.

[0020] As a preferred embodiment of the open-pit mining vibrating feeder of the present invention, it further includes an adjusting shaft that passes through a first rotating cylinder and a second rotating cylinder. A first spiral groove is provided on the inner side of the first rotating cylinder, and a second spiral groove is provided on the inner side of the second rotating cylinder. A first frustum and a second frustum are provided on the adjusting shaft. The first frustum is embedded in the first spiral groove, and the second frustum is embedded in the second spiral groove.

[0021] The first and second spiral grooves rotate in opposite directions.

[0022] In a preferred embodiment of the open-pit mining vibrating feeder of the present invention, the rotating shaft is provided with a moving groove extending along the axial direction, and the adjusting shaft is provided with a connecting rod passing through the moving groove.

[0023] In a preferred embodiment of the open-pit mining vibrating feeder of the present invention, a drive ring is externally connected to the rotating shaft, the drive ring is threadedly connected to the rotating shaft, a groove is provided on the inner side of the drive ring, and the connecting rod is embedded in the groove.

[0024] The beneficial effects of this invention are as follows: When feeding coal into a coal mine, the vibration unit is set up to strike the hopper, which avoids blockage and jamming. The vibration force of the vibration unit is adjusted in real time according to the volume of the coal mine and the feed flow rate, which avoids the material machine from being blocked due to insufficient vibration force or the dust and noise caused by excessive vibration force. The adjustment method is simple and effective and can be adjusted at any time according to the feeding situation. Attached Figure Description

[0025] 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:

[0026] Figure 1 A schematic diagram of an open-pit mine vibrating feeder according to an embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the feeding unit in an open-pit mine vibrating feeder according to an embodiment of the present invention;

[0028] Figure 3 A front view of the feeding unit in an open-pit mine vibrating feeder according to an embodiment of the present invention;

[0029] Figure 4 This invention provides an embodiment of the installation location diagram of the vibration unit in an open-pit mine vibrating feeder.

[0030] Figure 5 This is a schematic diagram of the glass slide box in an open-pit mine vibrating feeder according to an embodiment of the present invention;

[0031] Figure 6 An exploded structural diagram of the eccentric unit and rotating shaft in an open-pit mine vibrating feeder according to an embodiment of the present invention;

[0032] Figure 7 This is a schematic diagram of the structure of an open-pit mine vibrating feeder, provided by an embodiment of the present invention, in which the center of the rotating shaft is located at the shaft center;

[0033] Figure 8 This is a schematic diagram showing the maximum vibration force of the rotating shaft in an open-pit mine vibrating feeder according to an embodiment of the present invention.

[0034] Figure 9 A cross-sectional schematic diagram of the rotating shaft and eccentric unit of an open-pit mine vibrating feeder according to an embodiment of the present invention. Detailed Implementation

[0035] 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.

[0036] 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.

[0037] 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.

[0038] 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.

[0039] Example 1

[0040] Reference Figures 1-4This embodiment provides a vibrating feeder for open-pit mining, including a conveying unit 100, a feeding unit 200, and a vibration unit 300. The conveying unit 100 includes a belt conveyor 101 with a mounting plate 102. The belt conveyor 101 is existing technology. The mounting plate 102 is fixedly mounted on the frame of the belt conveyor 101. The feeding unit 200 includes a hopper 201 fixedly mounted on the mounting plate 102. The hopper 201 has an opening at its bottom, facing the surface of the belt conveyor 101, and a cover plate 202 is provided on top of the hopper 201. The vibration unit 300 is located on the side of the hopper 201 and is capable of striking the hopper 201.

[0041] The hopper 201 includes a side plate 201a, and the vibration unit 300 includes two bearing seats 301 disposed on the side plate 201a. A rotating shaft 302 is disposed inside the bearing seat 301, and a drive motor 303 is connected to the rotating shaft 302. The drive motor 303 is fixed on one of the bearing seats 301, connected to the rotating shaft 302 through a coupling, and drives the rotating shaft 302 to rotate.

[0042] A slide rail 201b is provided on the side plate 201a, and a slide groove 301a is provided on the bearing housing 301. The slide groove 301a is slidably connected to the slide rail 201b. The bearing housing 301 can move along the slide rail 201b, thereby adjusting the position of the vibration unit 300.

[0043] The slide rail 201b is evenly provided with several positioning holes 201c, and the bearing seat 301 is provided with a threaded hole 301b that penetrates the slide groove 301a. The threaded hole 301b and the positioning hole 201c are connected by bolts. The vibration unit 300 is fixed at the position where vibration is required by bolts, and the vibration force is generated by striking the hopper 201.

[0044] In this embodiment, during feeding, the vibration unit 300 is used to strike the hopper 201 to avoid blockage and jamming. At the same time, the position of the vibration unit 300 is adjusted according to the blockage at different heights in the hopper 201 to optimize the vibration effect.

[0045] Example 2

[0046] Reference Figures 4-9 This is the second embodiment of the present invention, which is based on the previous embodiment and differs from the previous embodiment in that:

[0047] The output shaft of the drive motor 303 is connected to the rotating shaft 302; the connection between the output shaft of the drive motor 303 and the rotating shaft 302 is a coupling connection.

[0048] It also includes an eccentric unit 400 for generating vibration force. It includes a first load-bearing component 401 and a second load-bearing component 402 disposed on the outside of the rotating shaft 302 and coaxially disposed with the rotating shaft 302. The first load-bearing component 401 and the second load-bearing component 402 have completely identical structural shapes and are semi-circular structures.

[0049] The first load-bearing component 401 and the second load-bearing component 402 can form a complete ring and be fitted around the rotating shaft 302. At this time, the center of gravity of the rotating shaft 302 and the eccentric unit 400 is on the axis of the rotating shaft 302, and no vibration force is generated. The positions of the first load-bearing component 401 and the second load-bearing component 402 can be changed. When the positions of the first load-bearing component 401 and the second load-bearing component 402 are arranged side by side, the first load-bearing component 401 and the second load-bearing component 402 form the effect of an "eccentric shaft" and can generate vibration force.

[0050] The rotating shaft 302 is a hollow shaft, and a first long groove 302a and a second long groove 302b extending axially are provided on the rotating shaft 302. The first long groove 302a and the second long groove 302b have the same length. The second long groove 302b is located on the opposite side of the first long groove 302a. A first strip groove 302c extends circumferentially from the end of the first long groove 302a, and a second strip groove 302d extends circumferentially from the end of the second long groove 302b. The first long groove 302a and the first strip groove 302c are connected in an L-shape, and the second long groove 302b and the second strip groove 302d are connected in an L-shape.

[0051] The first long groove 302a and the second long groove 302b are located on the same axial section, and the ends of the first strip groove 302c and the second strip groove 302d are located on the same axial section and on the same side of the rotating shaft 302. Therefore, two L-shaped grooves are formed on the rotating shaft 302.

[0052] In this embodiment, a virtual plane A is defined, wherein the axis of the rotating shaft 302 is perpendicular to plane A, and the second plane B is the axial section where the end of the strip groove 302d is located. The second long groove 302b and the second strip groove 302d should satisfy the following: the second long groove 302b is located at the position where the first long groove 302a is mirrored with plane A and then mirrored with plane B, and the second strip groove 302d is located at the position where the first strip groove 302c is mirrored with plane A and then mirrored with plane B.

[0053] Furthermore, a first pin 401a is provided on the inner side of the first load-bearing component 401. The first pin 401a is embedded in the first elongated groove 302a and the first strip groove 302c. When the first pin 401a is located in the first elongated groove 302a, the first load-bearing component 401 moves linearly. When the first pin 401a is located in the first strip groove 302c, the first load-bearing component 401 moves in a circular motion.

[0054] Similarly, a second pin 402a is provided on the inner side of the second load-bearing component 402. The second pin 402a is embedded in the second long groove 302b and the second strip groove 302d, and the second load-bearing component 402 can also perform linear or circular motion.

[0055] The central angles of the first groove 302c and the second groove 302d are 90°. Therefore, the maximum deflection range of the first load-bearing component 401 and the second load-bearing component 402 is 90°, while the relative maximum deflection angle of the first load-bearing component 401 and the second load-bearing component 402 is 180°.

[0056] When the first pin 401a is located in the first groove 302c and the second pin 402a is located in the second groove 302d, the first load-bearing component 401 and the second load-bearing component 402 are parallel and their end faces are in contact. At this time, the center of gravity of the rotating shaft 302 and the eccentric unit 400 is not on the axis of the rotating shaft 302, and vibration force can be generated.

[0057] When the first pin 401a is located in the first long groove 302a and the second pin 402a is located in the second long groove 302b, the side of the first load-bearing component 401 coincides with the side of the second load-bearing component 402. If the first pin 401a moves to the end of the first long groove 302a and the second pin 402a moves to the end of the second long groove 302b, that is, the first load-bearing component 401 and the second load-bearing component 402 approach each other, the end faces and side faces of the first load-bearing component 401 and the second load-bearing component 402 completely coincide, and the first load-bearing component 401 and the second load-bearing component 402 form a complete ring structure. The center of gravity of the rotating shaft 302 and the eccentric unit 400 is on the axis of the rotating shaft 302, and the rotating shaft 302 has no radial vibration force.

[0058] Furthermore, a first rotating cylinder 403 and a second rotating cylinder 404 are provided inside the rotating shaft 302, both of which are capable of rotation. In this embodiment, an annular groove 302e is provided inside the rotating shaft 302, and both the first rotating cylinder 403 and the second rotating cylinder 404 are provided with limiting protrusions located within the annular groove 302e. Therefore, the first rotating cylinder 403 and the second rotating cylinder 404 cannot be axially offset.

[0059] The first rotating cylinder 403 has a first inclined groove 403a on its outer periphery, and a first pin 401a is embedded in the first inclined groove 403a. The second rotating cylinder 404 has a second inclined groove 404a on its outer periphery, and a second pin 402a is embedded in the second inclined groove 404a. The direction of the first inclined groove 403a is neither on the axial section of the first rotating cylinder 403 nor on the vertical plane of the axial section of the first rotating cylinder 403. The inclination direction of the first inclined groove 403a satisfies the following: when the first pin 401a is located in the first long groove 302a and the first inclined groove 403a, the first rotating cylinder 403 rotates and carries the first load 401 along a straight line; when the first pin 401a is located in the first strip groove 302c and the first inclined groove 403a, the first rotating cylinder 403 rotates and carries the first load 401 deflected along the axis.

[0060] It should be noted that the motion principle of the second rotating cylinder 404 and the second load-bearing component 402 is the same as that of the first rotating cylinder 403 and the first load-bearing component 401. Furthermore, in order to satisfy the combined configuration of the first load-bearing component 401 and the second load-bearing component 402, i.e., the movements of the first load-bearing component 401 and the second load-bearing component 402 are always opposite, the rotation directions of the first rotating cylinder 403 and the second rotating cylinder 404 should also be opposite.

[0061] To ensure that the first rotating cylinder 403 and the second rotating cylinder 404 rotate in opposite directions, an adjusting shaft 405 is included. The adjusting shaft 405 passes through the first rotating cylinder 403 and the second rotating cylinder 404. The first rotating cylinder 403 has a first spiral groove 403b on its inner side, and the second rotating cylinder 404 has a second spiral groove 404b on its inner side. The adjusting shaft 405 has a first frustum 405a and a second frustum 405b. The first frustum 405a is embedded in the first spiral groove 403b, and the second frustum 405b is embedded in the second spiral groove 404b. The first spiral groove 403b and the second spiral groove 404b rotate in opposite directions. The adjusting shaft 405 itself can only move axially and cannot rotate. Therefore, when the adjusting shaft 405 moves in a straight line, it drives the first rotating cylinder 403 and the second rotating cylinder 404 to rotate in opposite directions, thereby driving the first load-bearing component 401 and the second load-bearing component 402.

[0062] Preferably, the first rotating cylinder 403 and the second rotating cylinder 404 are connected by a bearing (a conventional means, not shown in the figure), so that the first rotating cylinder 403 and the second rotating cylinder 404 do not affect each other even if they rotate in opposite directions.

[0063] Furthermore, the rotating shaft 302 is provided with a moving groove 302f extending axially, and the adjusting shaft 405 is provided with a connecting rod 405c passing through the moving groove 302f. A drive ring 406 is externally connected to the rotating shaft 302, and the drive ring 406 is threadedly connected to the rotating shaft 302. A groove 406a is provided on the inner side of the drive ring 406, and the connecting rod 405c is embedded in the groove 406a. That is, the axial movement of the rotating shaft 302 is offset by the drive ring 406, thereby driving the first rotating cylinder 403 and the second rotating cylinder 404 to rotate.

[0064] It should be noted that, such as Figure 9 As shown, to prevent the first load-bearing component 401 and the second load-bearing component 402 from falling off, the first inclined groove 403a and the second inclined groove 404a are both provided with T-shaped grooves. The T-shaped grooves are aligned with the first inclined groove 403a and the second inclined groove 404a. At the same time, the ends of the first pin 401a and the second pin 402a are provided with bosses with a cross-section of T-shape, which are embedded in the corresponding T-shaped grooves.

[0065] In this embodiment, the eccentric unit 400 of the vibration drive motor includes three modes. The first mode is when the vibration force generated by the eccentric unit 400 is the maximum. In this mode, the first load-bearing component 401 and the second load-bearing component 402 are located on the same side of the rotating shaft 302, and the end faces and side faces of the first load-bearing component 401 and the second load-bearing component 402 overlap. The first pin 401a is located at the end of the first slot 302c, and the second pin 402a is located at the end of the second slot 302d. The second mode is when the center of gravity of the eccentric unit 400 and the rotating shaft 302 is located on the axis of the rotating shaft 302, and no vibration force is generated. In this mode, the first load-bearing component 401 and the second load-bearing component 402 form a complete ring sleeve outside the rotating shaft 302, and the first pin 401a is located at the end of the first long slot 302a, and the second pin 402a is located at the end of the second long slot 302b. The third mode is an intermediate state between the first mode and the second mode. The specific position can be adjusted by the drive ring 406. With the cooperation of the eccentric unit 400 and the vibration unit 300, the eccentric unit 400 is adjusted according to the blockage situation when the feeder is feeding material to prevent blockage.

[0066] 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.

[0067] 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.

[0068] 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.

[0069] 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 vibrating feeder for open-pit mining, characterized in that: include, The conveying unit (100) includes a belt conveyor (101) on which an mounting plate (102) is provided. The feeding unit (200) includes a hopper (201) fixedly mounted on the mounting plate (102), with an opening below the hopper (201) and a cover plate (202) above the hopper (201). A vibration unit (300) is disposed on the side of the hopper (201); The hopper (201) includes a side plate (201a), and the vibration unit (300) includes two bearing seats (301) disposed on the side plate (201a). A rotating shaft (302) is disposed in the bearing seat (301), and the rotating shaft (302) is connected to a drive motor (303). It also includes an eccentric unit (400), which includes a first load-bearing component (401) and a second load-bearing component (402) disposed outside the rotating shaft (302) and coaxially disposed with the rotating shaft (302). The first load-bearing component (401) and the second load-bearing component (402) are semi-circular structures. The rotating shaft (302) is a hollow shaft. The rotating shaft (302) is provided with a first long groove (302a) and a second long groove (302b) extending axially. The end of the first long groove (302a) extends circumferentially with a first strip groove (302c), and the end of the second long groove (302b) extends circumferentially with a second strip groove (302d). The first long groove (302a) and the first strip groove (302c) are connected in an L-shape, and the second long groove (302b) and the second strip groove (302d) are connected in an L-shape. The first load-bearing component (401) has a first pin (401a) on its inner side, and the first pin (401a) is embedded in the first long groove (302a) and the first strip groove (302c); The second load-bearing component (402) has a second pin (402a) on its inner side, and the second pin (402a) is embedded in the second elongated groove (302b) and the second strip groove (302d); The central angles of the first groove (302c) and the second groove (302d) are 90°; When the first pin (401a) is located in the first groove (302c) and the second pin (402a) is located in the second groove (302d), the first load-bearing component (401) and the second load-bearing component (402) are in parallel and their end faces are in contact. When the first pin (401a) is located in the first long groove (302a) and the second pin (402a) is located in the second long groove (302b), the side of the first load-bearing member (401) coincides with the side of the second load-bearing member (402).

2. The open-pit mining vibrating feeder according to claim 1, characterized in that: The side plate (201a) is provided with a slide rail (201b), and the bearing seat (301) is provided with a slide groove (301a), which is slidably connected to the slide rail (201b).

3. The open-pit mining vibrating feeder according to claim 2, characterized in that: The slide rail (201b) is provided with a number of positioning holes (201c) evenly distributed, and the bearing seat (301) is provided with a threaded hole (301b) that passes through the slide groove (301a). The threaded hole (301b) and the positioning hole (201c) are connected by bolts.

4. The open-pit mining vibrating feeder according to claim 3, characterized in that: The rotating shaft (302) is provided with a first rotating cylinder (403) and a second rotating cylinder (404). The rotating shaft (302) is provided with an annular groove (302e). The first rotating cylinder (403) and the second rotating cylinder (404) are both provided with a limiting protrusion located in the annular groove (302e). The first rotating cylinder (403) is provided with a first inclined groove (403a) on its outer periphery. The first pin (401a) is embedded in the first inclined groove (403a). The second rotating cylinder (404) is provided with a second inclined groove (404a) on its outer periphery. The second pin (402a) is embedded in the second inclined groove (404a).

5. The open-pit mining vibrating feeder according to claim 4, characterized in that: It also includes an adjusting shaft (405) that passes through a first rotating cylinder (403) and a second rotating cylinder (404). The first rotating cylinder (403) has a first spiral groove (403b) on its inner side, and the second rotating cylinder (404) has a second spiral groove (404b) on its inner side. The adjusting shaft (405) is provided with a first frustum (405a) and a second frustum (405b). The first frustum (405a) is embedded in the first spiral groove (403b), and the second frustum (405b) is embedded in the second spiral groove (404b). The first spiral groove (403b) and the second spiral groove (404b) rotate in opposite directions.

6. The open-pit mining vibrating feeder according to claim 5, characterized in that: The rotating shaft (302) is provided with a moving groove (302f) extending along the axial direction, and the adjusting shaft (405) is provided with a connecting rod (405c) passing through the moving groove (302f).

7. The open-pit mining vibrating feeder according to claim 6, characterized in that: The rotating shaft (302) is externally connected to a drive ring (406), the drive ring (406) is threadedly connected to the rotating shaft (302), the drive ring (406) has a groove (406a) on its inner side, and the connecting rod (405c) is embedded in the groove (406a).

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