Multi-degree-of-freedom unloading device for open-air slope mining

Abstract

The invention belongs to the technical field of mining equipment. The multi-degree-of-freedom unloading device for open-air slope mining aims at solving the problem that an unloading part of existing slope mining equipment is generally fixed or semi-fixed and cannot meet the unloading requirements under different working conditions, and provides the multi-degree-of-freedom unloading device for open-air slope mining. The device comprises a supporting base, a horizontal discharging part, a first driving assembly, an elevated beam, an inclined discharging part, a connecting frame and a second driving assembly, the first driving assembly drives the horizontal discharging part to rotate, the second driving assembly drives the connecting frame to move, and therefore the inclined discharging part is driven to rotate around the perpendicular bisector of the elevated beam. The discharging position and the discharging height are changed through the first driving assembly and the second driving assembly correspondingly, so that the whole discharging part can achieve multi-degree-of-freedom movement through a mechanical structure, and the adaptability of the device to different working condition environments is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of mining equipment, and in particular relates to a multi-degree-of-freedom unloading device for open-pit sidewall mining. Background Art

[0002] As the main measure to solve the problem of coal compression on the side walls, open-pit side wall mining equipment has been widely used in open-pit coal mines. Continuous mining machines are used to gradually advance inward from the gentle slope of the side wall to mine the coal compressed on the side walls.

[0003] Since the coal production efficiency of open-pit sidewall mining equipment is generally high and the coal is discharged semi-continuously, with the gradual mining of the sidewall pressure coal, if the supporting transportation equipment is not loaded in time, the coal pile phenomenon will inevitably occur at the unloading position of its unloading part. In view of the above situation, the existing unloading equipment adopts semi-fixed unloading, which can adjust the unloading height by itself, and the movement in other degrees of freedom directions requires the cooperation of the on-board equipment to complete the action. However, this method is complex and difficult to operate, and cannot meet the unloading requirements under different working conditions. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a multi-degree-of-freedom unloading device for open-pit sidewall mining, which can realize multi-degree-of-freedom movement and adapt to different working conditions.

[0005] The present invention provides a multi-degree-of-freedom unloading device for open-pit sidewall mining, comprising:

[0006] Support seat;

[0007] A rotating mechanism, the rotating mechanism is arranged on the supporting seat, the rotating mechanism comprises a horizontal discharge part and a first driving assembly, the first driving assembly is arranged between the supporting seat and the horizontal discharge part, and the first driving assembly drives the horizontal discharge part to rotate;

[0008] The tilting mechanism comprises an elevated beam, an inclined discharge part, a connecting frame and a second driving component. The elevated beam comprises two frames arranged in parallel and connected. The two frames are respectively arranged on both sides of the horizontal discharge part and at the end of the horizontal discharge part. The inclined discharge part is hingedly connected to one end of the horizontal discharge part close to the elevated beam, one end of the connecting frame is hingedly connected to one end of the inclined discharge part away from the elevated beam, one end of the second driving component is hingedly connected to the top of the elevated beam, and the other end is connected to the other end of the connecting frame. The second driving component drives the connecting frame to move when it works, thereby driving the inclined discharge part to rotate in the vertical direction around the mid-perpendicular line of the elevated beam.

[0009] Optionally, the first driving assembly includes a bearing disk, a hydraulic motor and a fastening assembly, the bearing disk and the hydraulic motor are both arranged on the support seat via the fastening assembly, the outer ring of the bearing disk is connected to the horizontal unloading part, and the outer ring of the bearing disk is provided with a large gear, and the outer peripheral sleeve of the driving shaft of the hydraulic motor is provided with a small gear meshing with the large gear, so that the hydraulic motor can drive the bearing disk to rotate.

[0010] Optionally, the fastening assembly includes a first fastener, a second fastener and a third fastener, the first fastener is used to fix the inner ring of the bearing disk, the second fastener is used to fix the outer ring of the bearing disk, and the third fastener is used to fix the hydraulic motor;

[0011] Two adjacent first fasteners or two adjacent second fasteners are connected by a steel wire.

[0012] Optionally, the second driving assembly includes a lifting cylinder and two telescopic parts. The two telescopic parts are respectively arranged at both ends of the connecting frame to be connected to the two ends of the top of the elevated beam. The lifting cylinder is arranged between the two telescopic parts. The operation of the lifting cylinder drives the two telescopic parts to perform telescopic movements synchronously.

[0013] Optionally, locking pieces are provided on both telescopic pieces.

[0014] Optionally, the tilting mechanism further includes a flexible member, one end of which is connected to the elevated beam, and the other end of which is connected to the tilting unloading portion, and when the tilting unloading portion and the horizontal unloading portion are in the same horizontal plane, the flexible member is tensioned.

[0015] Optionally, when the angle between the inclined unloading portion and the ground is 15°, a fixed block is provided between the inclined unloading portion and the horizontal unloading portion.

[0016] Optionally, one end of the fixed block close to the horizontal unloading part is an open end, and one end of the fixed block close to the inclined unloading part is provided with a through hole, the open end is plug-connected to the horizontal unloading part, and the fixed block is connected to the inclined unloading part by passing a pin through the through hole.

[0017] Optionally, it also includes a rear end head, one side of which is connected to the main body of the sidewall mining equipment, and the other side of which is hingedly connected to the support seat.

[0018] Optionally, the rotation angle of the horizontal discharge part is 180°.

[0019] Compared with the prior art, the technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0020] An embodiment of the present invention provides a multi-degree-of-freedom unloading device for open-pit sidewall mining. By setting a first drive component, the first drive component can drive a horizontal unloading part to rotate left and right, that is, the first drive component can drive the horizontal unloading part and an inclined structure connected to the horizontal unloading part to rotate left and right. By setting a connecting frame and a second drive component, the connecting frame is used to connect the second drive component and the inclined unloading part. The second drive component is arranged between the elevated beam and the connecting frame. By starting the second drive component, the connecting frame can be driven to move, thereby changing the distance between the connecting frame and the elevated beam, thereby changing the distance between the end of the inclined unloading part away from the elevated beam and the elevated beam. Even if the inclined unloading part rotates in a vertical direction around the median perpendicular line of the elevated beam, the first drive component in this device can change the unloading part to rotate on a horizontal plane as a whole, and the second drive component can adjust the inclination angle of the inclined unloading part, that is, change the unloading height, so that the unloading part as a whole can achieve multi-degree-of-freedom movement by relying on a mechanical structure, thereby improving the adaptability of this device to different working conditions. This device has a simple structure and can flexibly adjust the unloading position and height according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0023] Figure 1 It is a structural schematic diagram of a multi-degree-of-freedom unloading device for open-pit sidewall mining according to an embodiment of the present invention when it is in a horizontal state;

[0024] Figure 2 It is a schematic diagram of the structure when the inclined discharge part according to an embodiment of the present invention reaches an ideal discharge position;

[0025] Figure 3 It is a structural schematic diagram of the connection between the horizontal discharge part and the inclined discharge part according to an embodiment of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the first driving assembly according to an embodiment of the present invention;

[0027] Figure 5 is a cross-sectional view of a first driving assembly according to an embodiment of the present invention;

[0028] Figure 6It is a schematic diagram of the connection between the horizontal discharge part and the elevated beam according to an embodiment of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the fixing block according to an embodiment of the present invention.

[0030] Among them, 1. support seat; 2. horizontal unloading part; 3. elevated beam; 3.1. frame; 4. inclined unloading part; 5. connecting frame; 6. lifting cylinder; 7. telescopic part; 8. front unloading part; 9. rear end head; 10. connecting part; 11. bearing plate; 12. hydraulic motor; 13. fastening assembly; 13.1. first fastener; 13.2. second fastener; 13.3. third fastener; 14. flexible part; 15. large gear; 16. small gear; 17. locking part; 18. fixing block; 18.1. through hole. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the scheme of the present invention will be further described below. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0033] Reference Figures 1 to 7 As shown, this embodiment provides a multi-degree-of-freedom unloading device for open-pit sidewall mining, including a support seat 1, a rotating mechanism and a tilting mechanism.

[0034] Among them, refer to Figure 1 , Figure 2 and Figure 6As shown, the rotating mechanism is arranged on the support seat 1, the rotating mechanism includes a horizontal discharge part 2 and a first driving component, the first driving component is arranged between the support seat 1 and the horizontal discharge part 2, the first driving component drives the horizontal discharge part 2 to rotate, the tilting mechanism includes an elevated beam 3, an inclined discharge part 4, a connecting frame 5 and a second driving component, the elevated beam 3 includes two parallel and connected frames 3.1, the two frames 3.1 are respectively arranged on both sides of the horizontal discharge part 2, and are arranged at the end of the horizontal discharge part 2, the inclined discharge part 4 is hingedly connected to one end of the horizontal discharge part 2 close to the elevated beam 3, one end of the connecting frame 5 is hingedly connected to the end of the inclined discharge part 4 away from the elevated beam 3, one end of the second driving component is hingedly connected to the top of the elevated beam 3, and the other end is connected to the other end of the connecting frame 5, the second driving component drives the connecting frame 5 to move, thereby driving the inclined discharge part 4 to rotate in the vertical direction around the mid-vertical line of the elevated beam 3. Specifically, the support seat 1 is used to undertake the rotating mechanism and the tilting mechanism, and is in contact with the ground. A front end discharge part 8 is also provided on the top of the support seat 1. The outlet of the front end discharge part 8 faces the horizontal discharge part 2. The horizontal discharge part 2 is connected with the tilting discharge part 4 to form continuous discharge. By setting a first driving component, the first driving component can drive the horizontal discharge part 2 to rotate left and right, that is, the first driving component can drive the horizontal discharge part 2 and the tilting structure connected to the horizontal discharge part 2 to rotate left and right. By setting a connecting frame 5 and a second driving component, the connecting frame 5 is used to connect the second driving component and the tilting discharge part 4. The second driving component is set between the elevated beam 3 and the connecting frame 5. By starting When the second driving component is working, it can drive the connecting frame 5 to move, thereby changing the distance between the connecting frame 5 and the elevated beam 3, and changing the distance between the end of the inclined unloading part 4 away from the elevated beam 3 and the elevated beam 3. Even if the inclined unloading part 4 rotates in the vertical direction around the mid-perpendicular line of the elevated beam 3, the first driving component in this device can change the overall rotation of the unloading part on the horizontal plane, and the second driving component can adjust the inclination angle of the inclined unloading part 4, that is, change the unloading height, so that the unloading part as a whole can rely on the mechanical structure to achieve multi-degree-of-freedom movement, thereby improving the adaptability of this device to different working conditions and environments. This device has a simple structure and can flexibly adjust the unloading position and height according to actual conditions.

[0035] Further, see Figure 4 and Figure 5As shown, the first driving assembly includes a bearing plate 11, a hydraulic motor 12 and a fastening assembly 13. The bearing plate 11 and the hydraulic motor 12 are both arranged on the support seat 1 through the fastening assembly 13. The outer ring of the bearing plate 11 is connected to the horizontal discharge part 2, and the outer ring of the bearing plate 11 is sleeved with a large gear 15. The outer periphery of the driving shaft of the hydraulic motor 12 is sleeved with a small gear 16 meshing with the large gear 15, so that the hydraulic motor 12 drives the bearing plate 11 to rotate. Specifically, the bearing plate 11 and the hydraulic motor 12 are fixed on the support seat 1 through the fastening assembly 13, and the horizontal discharge part 2 is connected to the bearing plate 11. By starting the hydraulic motor 12, the hydraulic motor 12 drives the small gear 16 to rotate, the small gear 16 drives the large gear 15 meshing therewith to rotate, and the large gear 15 drives the bearing plate 11 connected thereto to rotate, thereby driving the horizontal discharge part 2 connected to the bearing plate 11 to rotate, and the rotation angle of the horizontal discharge part 2 is 180°, that is, the maximum angle of the horizontal discharge part 2 to rotate left and right is 90°.

[0036] Continue to refer to Figure 4 and Figure 5 As shown, the fastening assembly 13 includes a first fastener 13.1, a second fastener 13.2 and a third fastener 13.3, wherein the first fastener 13.1 is used to fix the inner ring of the bearing plate 11, the second fastener 13.2 is used to fix the outer ring of the bearing plate 11, and the third fastener 13.3 is used to fix the hydraulic motor 12; two adjacent first fasteners 13.1 or two adjacent second fasteners 13.2 are connected by steel wire. Specifically, the first fastener 13.1, the second fastener 13.2 and the third fastener 13.3 are all bolts, and the horizontal discharge part 2 and the hydraulic motor 3 are installed and disassembled by tightening nuts at both ends of the bolts, and the two adjacent first fasteners 13.1 are connected by steel wire, and the two adjacent second fasteners 13.2 are connected by steel wire, which ensures the reliability of the connection and prevents the first fastener 13.1 and the second fastener 13.2 from loosening to affect the rotation of the horizontal discharge part 2.

[0037] Reference Figure 3As shown, the second driving assembly includes a lifting cylinder 6 and two telescopic members 7. The two telescopic members 7 are respectively arranged at the two ends of the connecting frame 5 to connect with the two ends of the top of the elevated beam 3. The lifting cylinder 6 is arranged between the two telescopic members 7. When the lifting cylinder 6 works, the two telescopic members 7 are driven to perform telescopic movements synchronously. Specifically, three articulated seats are arranged at the top of the elevated beam 3. One end of the lifting cylinder 6 is connected to the articulated seat located in the middle position, and the other end is connected to the connecting frame 5. One end of the two telescopic members 7 is connected to the articulated seats located at the two ends of the elevated beam 3, and the other end is connected to the connecting frame 5. The two telescopic members 7 improve the stability of the lifting cylinder 6 connecting the elevated beam 3 and the connecting frame 5. By starting the lifting cylinder 6 to work, the connecting frame 5 is driven to move, thereby changing the distance between the connecting frame 5 and the elevated beam 3, and changing the distance between the end of the inclined discharge part 4 away from the elevated beam 3 and the elevated beam 3, even if the inclined discharge part 4 rotates in the vertical direction around the mid-perpendicular line of the elevated beam 3, the discharge height is changed.

[0038] Furthermore, locking members 17 are provided on both telescopic members 7. Specifically, the telescopic members 7 are structures that can play a supporting role and can be adjusted in length, and can be telescopic rods or hinges. When the telescopic members 7 stop moving along with the lifting cylinder 6, the locking members 17 can lock the telescopic members 7 to prevent the locking members 17 from further moving. The telescopic members 7 in this embodiment are telescopic rods, and a plurality of locking holes are evenly and spacedly arranged on the telescopic rods. The locking members 17 are latches, and the locking of the telescopic rods is achieved by inserting the latches into the locking holes. When the telescopic members 7 are locked, the lifting cylinder 6 is depressurized to prevent the lifting cylinder 6 from malfunctioning due to long-term operation.

[0039] In some embodiments, reference Figure 1 As shown, the tilting mechanism further includes a flexible member 14, one end of the flexible member 14 is connected to the elevated beam 3, and the other end is connected to the tilting discharge portion 4. When the tilting discharge portion 4 and the horizontal discharge portion 2 are in the same horizontal plane, the flexible member 14 is tensioned. Specifically, when the tilting discharge portion 4 is horizontal, the flexible member 14 can generate tension between the tilting discharge portion 4 and the elevated beam 3 to ensure the safety of the entire discharge portion.

[0040] Reference Figure 2 As shown, when the angle between the inclined discharge part 4 and the ground is 15°, a fixed block 18 is provided between the inclined discharge part 4 and the horizontal discharge part 2. Specifically, the ideal inclination angle of the inclined discharge part 4 is 15°, the inclined discharge part 4 and the horizontal discharge part 2 are both frame structures, and the top of the inclined discharge part 4 is hingedly connected to the top of the horizontal discharge part 2. When the angle between the inclined discharge part 4 and the ground is 15°, a fixed block 18 is provided between the inclined discharge part 4 and the horizontal discharge part 2. The fixed block 18 realizes the connection between the horizontal discharge part 2 and the inclined discharge part 4 for continuous discharge, and at the same time supports the inclined discharge part 4.

[0041] Further, see Figure 7 As shown, one end of the fixed block 18 close to the horizontal discharge part 2 is an open end, and one end of the fixed block 18 close to the inclined discharge part 4 is provided with a through hole 18.1, and the open end is plugged and connected with the horizontal discharge part 2. The fixed block 18 is connected with the inclined discharge part 4 by inserting a pin through the through hole 18.1. Specifically, the fixed block 18 is hingedly connected with the inclined discharge part 4, and the open end is plugged and connected with the horizontal discharge part 2. When the angle between the inclined discharge part 4 and the ground is 15°, the open end of the fixed block 18 is plugged and connected with the horizontal discharge part 2, which has a supporting effect on the inclined discharge part 4. When the lifting cylinder 6 continues to extend and retract to drive the inclined discharge part 4 to rotate, the open end of the fixed block 18 is separated from the horizontal discharge part 2, and there is no need to pull out the pin and it does not affect the movement of the inclined discharge part 4, so as to prevent the two ends of the fixed block 18 from being fixed, so that the inclined discharge part 4 continues to move and deforms.

[0042] Reference Figure 1 As shown, the device further includes a rear end head 9, one side of which is connected to the main body of the sidewall mining equipment, and the other side of which is hingedly connected to the support seat 1. Specifically, the top of the rear end head 9 is hingedly connected to the top of the support seat 1 through a connecting piece 10, so that the rear end head 9 can rotate upward around the connecting piece 10, so that the device can be applied to different terrain conditions, improving the applicability of the device, and by rotating the rear end head 9, the distance between the bottom of the rear end head 9 and the ground is increased, which facilitates the installation of the drive member at the tail of the sidewall mining equipment body.

[0043] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments described herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A multi-degree-of-freedom unloading device for open-pit sidewall mining, characterized in that: include: Support seat (1); A rotating mechanism, the rotating mechanism is arranged on the support seat (1), the rotating mechanism comprises a horizontal discharge portion (2) and a first driving component, the first driving component is arranged between the support seat (1) and the horizontal discharge portion (2), and the first driving component drives the horizontal discharge portion (2) to rotate; A tilting mechanism, the tilting mechanism comprising an elevated beam (3), an inclined discharge part (4), a connecting frame (5) and a second driving assembly, the elevated beam (3) comprising two parallel and connected frames (3.1), the two frames (3.1) being respectively arranged on both sides of the horizontal discharge part (2) and at the ends of the horizontal discharge part (2), the inclined discharge part (4) being hingedly connected to one end of the horizontal discharge part (2) close to the elevated beam (3), one end of the connecting frame (5) being hingedly connected to one end of the inclined discharge part (4) away from the elevated beam (3), one end of the second driving assembly being hingedly connected to the top of the elevated beam (3), and the other end being connected to the other end of the connecting frame (5), the second driving assembly driving the connecting frame (5) to move when working, thereby driving the inclined discharge part (4) to rotate in a vertical direction around the mid-perpendicular line of the elevated beam (3).

2. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1 is characterized in that: The first driving assembly comprises a bearing disc (11), a hydraulic motor (12) and a fastening assembly (13); the bearing disc (11) and the hydraulic motor (12) are both arranged on the supporting seat (1) via the fastening assembly (13); the outer ring of the bearing disc (11) is connected to the horizontal unloading portion (2); the outer ring of the bearing disc (11) is sleeved with a large gear (15); the outer periphery of the driving shaft of the hydraulic motor (12) is sleeved with a small gear (16) meshing with the large gear (15), so that the hydraulic motor (12) drives the bearing disc (11) to rotate.

3. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 2 is characterized in that: The fastening assembly (13) comprises a first fastener (13.1), a second fastener (13.2) and a third fastener (13.3), wherein the first fastener (13.1) is used to fix the inner ring of the bearing disk (11), the second fastener (13.2) is used to fix the outer ring of the bearing disk (11), and the third fastener (13.3) is used to fix the hydraulic motor (12); Two adjacent first fasteners (13.1) or two adjacent second fasteners (13.2) are connected by a steel wire.

4. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1 is characterized in that: The second driving assembly comprises a lifting cylinder (6) and two telescopic members (7). The two telescopic members (7) are respectively arranged at two ends of the connecting frame (5) to be connected to two ends of the top of the elevated beam (3). The lifting cylinder (6) is arranged between the two telescopic members (7). When the lifting cylinder (6) works, it drives the two telescopic members (7) to perform telescopic movements synchronously.

5. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 4 is characterized in that: The two telescopic members (7) are both provided with locking members (17).

6. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1 is characterized in that: The tilting mechanism further comprises a flexible member (14), one end of the flexible member (14) being connected to the elevated beam (3), and the other end being connected to the tilting discharge portion (4); when the tilting discharge portion (4) and the horizontal discharge portion (2) are in the same horizontal plane, the flexible member (14) is tensioned.

7. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1 is characterized in that: When the angle between the inclined unloading portion (4) and the ground is 15°, a fixing block (18) is provided between the inclined unloading portion (4) and the horizontal unloading portion (2).

8. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 7 is characterized in that: The end of the fixed block (18) close to the horizontal discharge part (2) is an open end, and the end of the fixed block (18) close to the inclined discharge part (4) is provided with a through hole (18.1). The open end is plug-connected to the horizontal discharge part (2), and the fixed block (18) is connected to the inclined discharge part (4) by inserting a pin through the through hole (18.1).

9. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1 is characterized in that: It also comprises a rear end head (9), one side of which is connected to the main body of the sidewall mining equipment, and the other side of which is hingedly connected to the support seat (1).

10. The multi-degree-of-freedom unloading device for open-pit sidewall mining according to claim 1, characterized in that: The rotation angle of the horizontal discharge part (2) is 180°.

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