Propeller for rock drilling equipment

Abstract

The propeller for the rock drilling equipment comprises a supporting beam, a propelling mechanism and a supporting frame, and the supporting beam is configured to be of a telescopic structure; the supporting beam is connected with the drilling arm through a propelling mechanism; the supporting frame is arranged at the end of the supporting beam and used for providing at least two supporting points arranged on the same plane at intervals. The supporting frame can rotate within a limited angle. According to the propeller for the rock drilling equipment, the supporting frame is arranged at the end of the supporting beam, the supporting frame can provide at least two supporting points, and the supporting points are arranged on the same plane at intervals, so that the supporting area and the supporting stability can be improved, stress is prevented from being concentrated on a single point, and the supporting frame is not prone to sinking into a working face; the propeller is not prone to shaking, and the supporting effect is good; the supporting frame can rotate within the limited angle, so that the supporting frame can slightly shake to be better attached to an uneven or inclined working face, the supporting effect of the supporting frame is better, and the flexibility of the supporting frame is improved.

Description

Technical Field

[0001] This application relates to the field of rock drilling equipment technology, and specifically to a thruster for rock drilling equipment. Background Technology

[0002] In mining equipment, rock drilling equipment uses a pusher connected to the drill arm. The pusher provides thrust to the rock drilling equipment to control the feed and retraction of the drill arm.

[0003] In the prior art, the thruster includes a support beam, which is mostly a columnar structure. The top of the support beam can support the working surface to provide stable support force and reduce the vibration of the drill arm during operation. However, the top support point of the support beam is only one point, which is easy to sway and has poor support stability. In addition, the support force is concentrated at the top of the support beam, and the support beam is easy to sink into the working surface, resulting in low support effect.

[0004] Therefore, the support beam structure of the propeller in the prior art has room for further improvement. Utility Model Content

[0005] In view of this, and in response to the technical problem of poor support effect of the propeller in the prior art rock drilling equipment, this application provides a propeller for rock drilling equipment, which is provided with a support frame at the end of the propeller material. The support frame can provide support at least two points, thereby improving the support stability and support effect of the propeller.

[0006] This application provides a thruster for rock drilling equipment, comprising:

[0007] The supporting beam is configured as a telescopic structure.

[0008] A propulsion mechanism is provided, and the support beam is connected to the drill arm via the propulsion mechanism.

[0009] A support frame, located at the end of a support beam, is used to provide at least two support points spaced apart on the same plane;

[0010] The support frame is capable of rotating within a limited angle.

[0011] Compared with the prior art, the rock drilling equipment thruster provided in this application has a support frame at the end of the support beam. The support frame can provide at least two support points, and the at least two support points are spaced apart on the same plane, which can improve the support area and support stability, avoid stress concentration at a single point, make the support frame less likely to sink into the working surface, make the thruster less likely to shake, and provide good support. Furthermore, the support frame can rotate within a limited angle, which allows the support frame to shake slightly to better fit uneven or inclined working surfaces, resulting in better support and improved flexibility.

[0012] Preferably, the rotation angle between the support frame and the length extension direction of the support beam is θ, where 0°≤θ≤30°.

[0013] In this embodiment, the angle of rotation of the support frame relative to the extended line of the support beam is set within 30 degrees, so that the support frame can have good adjustability and flexibility within this angle adjustment range, and can also have a good support effect.

[0014] Preferably, the support frame includes a support base and a pad, and the support base is hinged to the support beam;

[0015] The pad is connected to the end face of the support base away from the support beam, and there are at least two pads, which are spaced apart from each other.

[0016] In this embodiment, the support frame includes a support base and a pad. The pad is a support point that provides support force, which can effectively save manufacturing materials and also relatively reduce the support surface, making the support point flexible and not too rigid.

[0017] Preferably, the support base includes a support side plate and a support top plate, and the support side plate is provided as two pieces;

[0018] Two supporting side plates are arranged parallel to each other on the side end of the supporting top plate, and the supporting side plates are perpendicularly connected to the supporting top plate;

[0019] The supporting top plate is perpendicular to the supporting beam.

[0020] In this embodiment, the support structure is designed in a reasonable way, which can ensure the strength of the support structure while facilitating its manufacture and saving manufacturing materials.

[0021] Preferably, the supporting top plate has a mounting block at one end near the supporting beam, and the mounting block has a mating hole;

[0022] The support side plate is provided with a hinge hole, and the support beam is provided with a rotating hole. The rotating hole, hinge hole, and mating hole are coaxially arranged to allow the same hinge component to be inserted.

[0023] In this embodiment, by setting an installation block, the top support plate, the side support plate, and the support beam can be hinged together, ensuring the connection strength and stability between the support frame and the support beam.

[0024] Preferably, the support beam includes a mounting column and a telescopic cylinder, the mounting column is disposed at the end of the telescopic cylinder, and the rotating hole is disposed on the mounting column;

[0025] The mounting column protrudes towards the support frame, and the outer diameter of the mounting column is smaller than the inner diameter of the telescopic cylinder, while the outer diameter of the mounting block is smaller than the inner diameter of the telescopic cylinder.

[0026] In this embodiment, by setting an installation column that protrudes outward to provide installation space for the installation block, and by making the outer diameter of the installation block smaller than the inner diameter of the telescopic cylinder, the installation block can rotate relative to the installation column within the telescopic cylinder. At the same time, the telescopic cylinder can limit the rotation of the installation block to ensure the stability of the support frame at the rotation limit angle.

[0027] Preferably, the support top plate is provided with mounting holes, and the mounting block is disposed in the mounting holes;

[0028] The rotating hole is located inside the telescopic cylinder;

[0029] The supporting side plate includes a first side, a second side, and a third side;

[0030] The second side and the third side are respectively connected to the two ends of the first side, and the first side is parallel to the supporting top plate;

[0031] The second and third sides extend toward the support beam, and the ends of the second and third sides away from the first side are connected. The included angle between the second and third sides is an obtuse angle.

[0032] In this embodiment, the supporting side plate has a triangular structure, which can effectively reduce the installation area while ensuring strong structural strength.

[0033] Preferably, the hinge is provided with a connecting hole, and the axis of the connecting hole is perpendicular to the length extension direction of the hinge.

[0034] The mounting block is provided with a limiting hole, which opens on the end face of the mounting block away from the support beam. The limiting hole is coaxial with the connecting hole so that the same connector can be inserted.

[0035] In this embodiment, by providing a connecting hole on the hinge and a limiting hole on the mounting block, and connecting the two through a connector, the connection stability between the mounting block and the hinge can be improved.

[0036] Preferably, two pads are provided, and the two pads are respectively provided on both sides of the supporting top plate;

[0037] The pad extends away from the supporting top plate, and the end face of the pad extends beyond the end face of the supporting base.

[0038] In this embodiment, by setting two pads with two support points and raising the pads, the top support plate can be prevented from contacting the working surface, thus reducing the impact of errors.

[0039] Preferably, it also includes a rotating mechanism, through which the support beam is connected to the boom, and the rotating mechanism is used to drive the support beam to rotate.

[0040] In this embodiment, by connecting the propulsion mechanism to the drill arm, the stroke of the drill arm can be increased. Attached Figure Description

[0041] Figure 1 This is a three-dimensional structural schematic diagram of a rock drilling equipment thruster provided in an embodiment of this application;

[0042] Figure 2 yes Figure 1 A magnified view of part A;

[0043] Figure 3 This is a cross-sectional structural schematic diagram of a rock drilling equipment thruster provided in an embodiment of this application;

[0044] Figure 4 yes Figure 2 A magnified view of part B;

[0045] Figure 5 This is a partial structural schematic diagram of a support beam provided in one embodiment of this application.

[0046] Attached reference numerals: 1. Thruster for rock drilling equipment;

[0047] 11. Support beam; 12. Support frame; 13. Propulsion mechanism; 14. Rotation mechanism;

[0048] 111. Mounting column; 112. Telescopic cylinder; 113. Rotary hole;

[0049] 121. Supporting side plate; 122. Supporting top plate; 123. Pad plate; 124. Mounting block; 125. Hinge; 126. Connector;

[0050] 1211 Hinge hole; 1221 Mounting hole; 1241 Mating hole; 1242 Limiting hole; 1251 Connecting hole. Detailed Implementation

[0051] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0052] In the description of this application, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0053] Those skilled in the art should understand that in the disclosure of this application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this application.

[0054] The present application will now be described in further detail with reference to the accompanying drawings, see below. Figures 1 to 5 illustrate.

[0055] This application provides a rock drilling equipment thruster 1 (hereinafter referred to as thruster 1), which is used in rock drilling equipment to provide thrust to drive the drill arm forward or backward; such as Figure 1 As shown, it includes a support beam 11, a propulsion mechanism 13, a rotation mechanism 14, and a support frame 12. The support beam 11 is a telescopic structure. The propulsion mechanism 13 is connected to the support beam 11 through a mounting bracket. The support beam 11 is equipped with a telescopic cylinder, which can drive the support beam 11 to extend and retract. One end of the propulsion mechanism 13 is connected to the support beam 11, and the other end is connected to the drill arm. The propulsion mechanism 13 is a propulsion device used to increase the stroke of the drill arm. One end of the rotation mechanism 14 is connected to the support beam 11, and the other end is connected to the boom. The rotation mechanism uses a rotary motor to drive the support beam 11 to rotate relative to the boom.

[0056] The support frame 12 is located at the end of the support beam 11. When the drill arm is working, the support frame 12 abuts against the working surface, and the bottom of the support beam 11 abuts against another working surface, thereby forming a stable support and providing auxiliary support for the drill arm. This enables the drill arm to output stably, reduces the swaying of the drill arm, improves the working stability and working accuracy of the drill arm, and thus reduces the probability of the boom being subjected to force and bending.

[0057] Specifically, in this application, such as Figures 2 to 4 As shown, the support frame 12 is connected to the support beam 11. With the extension line of the support beam 11 as the reference line, the support frame 12 can rotate within a limited angle relative to the reference line, thereby giving the support a certain degree of adjustability. This allows the support frame 12 to sway slightly to better fit uneven or inclined working surfaces, resulting in better support effect and increased flexibility of the support frame 12.

[0058] Among them, such as Figure 2 , Figure 3As shown, the end of the support frame 12 away from the support beam 11 can provide at least two support points. The support points are spaced apart and located on the same plane, thereby enabling the support frame 12 to provide multi-point support. On the one hand, this increases the contact points and area between the entire thruster 1 and the working surface, improving the support stability of the thruster 1. On the other hand, the multiple support points counterbalance and act on each other, preventing a single point from sinking into the working surface, thus improving the support effect of the support frame 12.

[0059] Furthermore, the rotation angle between the support frame 12 and the support beam 11 along their length extension direction is θ, where 0° ≤ θ ≤ 30°. This means the maximum rotation angle of the support frame 12 relative to the extension line of the support beam 11 is 30°, and the minimum is 0°. Within this range of rotation adjustment, the support frame 12 offers good adjustability and support effectiveness. In practical use, the rotation angle of the support frame 12 varies depending on the inclination of the working surface, ranging from 0° to 30°, but the maximum rotation angle is 30°, and the minimum can be 0° (when the support frame 12 does not rotate). It should be noted that this rotation angle θ represents the rotation angle of the support frame 12 relative to one side of the extension line of the support beam 11, allowing the support frame 12 to rotate approximately laterally relative to the support beam 11.

[0060] like Figure 2 , Figure 3 As shown, the support frame 12 includes a support base and a pad 123. One end of the support base is hinged to the support beam 11, and the other end is connected to the pad 123. There are at least two pads 123, which are spaced apart along the length of the support base.

[0061] In this embodiment, two pads 123 are provided, and the two pads 123 are respectively set at both ends of the support base. The pads 123 are block structures and are welded to the support base. The two pads 123 provide two support points. The pads 123 protrude in the direction away from the support beam 11, and the upper end surface of the pads 123 exceeds the height of the support base. This ensures that when the support frame 12 abuts against the working surface, the pads 123 contact the working surface first, avoiding the entire support base from contacting the working surface and reducing flexibility. It also avoids the situation where the unevenness of the working surface acts on the plane of the support base, causing single-point support and affecting the stability of the support frame 12.

[0062] In this embodiment, two pads 123 are spaced apart, and together with the rotating connection structure between the support frame 12 and the support beam 11, the two support points provided by the support frame 12 can be finely adjusted when the working surface is uneven, so as to better act on the working surface and provide support stability.

[0063] Based on any of the above embodiments, the support base will be further described; such as Figure 2 , Figure 3 As shown, the support base has an inverted triangular structure with a pointed bottom that is hinged to the support beam 11. Its upper end is a flat surface on which the pad 123 is placed. The sides of the pointed end that connect to the flat surface are inclined surfaces with an obtuse angle between them. The two sides converge toward the pointed end. This structure reduces the overall volume of the support base. When the two pads 123 are placed at both ends of the support base, the force generated by the interaction between the pads 123 and the working surface can be dispersed to avoid stress concentration and damage at the hinge point.

[0064] Furthermore, such as Figure 2 , Figure 3 As shown, the support base is further extended; the support base includes a support side plate 121 and a support top plate 122. The support top plate 122 is a rectangular plate structure, and the support side plate 121 is a triangular plate structure. The support side plate 121 is provided as two pieces, and the two support side plates 121 are arranged parallel to each other on the side of the support top plate 122. The support side plates 121 and the support top plate 122 are perpendicularly connected, and the support side plates 121 and the support top plate 122 are welded together.

[0065] The length of the top support plate 122 is the same as the length of the side support plate 121. The width of the top support plate 122 is slightly larger than the width of the support beam 11. When the two side support plates 121 are connected on both sides of the width direction of the top support plate 122, the inner surfaces of the two side support plates 121 can fit exactly against the outer surfaces of the support beam 11, but not too tightly, so that the side support plates 121 can rotate relative to the support beam 11.

[0066] like Figure 1 , Figure 2 As shown, when the rotation angle of the support frame 12 is 0°, the support top plate 122 is perpendicular to the support beam 11.

[0067] Specifically, the shape of the supporting side plate 121 will be further described; such as Figure 2 , Figure 3 As shown, the supporting side plate 121 includes a first side, a second side, and a third side; the first side is parallel to the supporting top plate 122 and connected to the long side of the supporting top plate 122; the second side and the third side are respectively connected to the two ends of the long side of the first side; the second side and the third side extend toward the supporting beam 11; and the ends of the second side and the third side away from the first side are connected; the included angle between the second side and the third side is an obtuse angle, so that the supporting side plate 121 forms an approximate inverted triangular structure.

[0068] Furthermore, such as Figure 2 , Figure 3As shown, there is a fourth side between the first side and the second side, and a fifth side between the first side and the third side. The fourth and fifth sides are perpendicular to the first side to increase the width of the connection between the supporting side and the supporting top plate 122 and improve the structural strength of the supporting side plate 121.

[0069] Based on any of the above embodiments, the connection structure between the support frame 12 and the support beam 11 is further extended; such as... Figure 3 , Figure 4 As shown, the support beam 11 includes a telescopic cylinder 112 and a mounting column 111. The telescopic cylinder 112 is a cylindrical structure, and the mounting column 111 is fixedly connected inside the telescopic cylinder 112 and extends outward from the telescopic cylinder 112 beyond its port. The inner diameter of the telescopic cylinder 112 is larger than the inner diameter of the mounting column 111. The mounting column 111 is a plate-like structure, and there are two mounting columns 111. The two mounting columns 111 are connected to the opposite side walls inside the telescopic cylinder 112, and the support side plates 121 are arranged parallel to the mounting columns 111. The two support side plates 121 are respectively arranged on the outside of the two mounting columns 111.

[0070] Among them, such as Figure 4 As shown, the support frame 12 also includes a mounting block 124, which is disposed at the bottom of the support top plate 122. The mounting block 124 extends toward the support beam 11 to be inserted between two mounting columns 111. The width of the mounting block 124 is less than or equal to the distance between the two mounting columns 111. The mounting columns 111 are connected to each other to realize the connection between the support frame 12 and the support beam 11. The support top plate 122 is provided with a mounting hole 1221, and the mounting block 124 is disposed in the mounting hole 1221. The outer side of the mounting block 124 is welded to the inner wall of the mounting hole 1221.

[0071] Specifically, such as Figure 4 As shown, the support frame 12 also includes a hinge 125. The mounting block 124 is provided with a mating hole 1241, the support side plate 121 is provided with a hinge hole 1211, and the mounting column 111 is provided with a rotating hole 113. The mating hole 1241, the rotating hole 113, and the hinge hole 1211 are on the same axis to allow the hinge 125 to be inserted, thereby realizing the connection between the mounting block 124, the support side plate 121, and the mounting column 111. The mounting column 111 and the support side plate 121 can rotate relative to the mounting column 111 with the hinge 125 as the pivot, so as to realize the rotation of the support frame 12 relative to the push beam 11.

[0072] Among them, such as Figure 3 , Figure 4As shown, the width of the mounting block 124 is smaller than the width of the mounting column 111. The outer contour of the mounting block 124 is roughly U-shaped, and the arc-shaped end is located close to the support beam 11. In the length extension direction of the support beam 11, the rotation is located inside the telescopic cylinder 112, that is, the rotation does not exceed the end face of the telescopic cylinder 112, which lowers the hinge point position between the support frame 12 and the support beam 11, and also allows the bottom of the mounting block 124 to be located inside the telescopic cylinder 112, thereby facilitating the stability of the connection between the support frame 12 and the support beam 11. At the same time, since the upper end of the telescopic cylinder 112 is higher than the hinge point, when the mounting block 124 rotates to the maximum value of the limited angle, the inner side wall of the telescopic cylinder 112 will abut against the lower end face of the support top plate 122, thereby limiting the rotation of the mounting block 124 and ensuring the stability of the support frame 12 when it rotates to the limited angle.

[0073] It should be noted that, as Figure 5 As shown, the mounting column 111 is provided with a rotating hole 113, and the telescopic cylinder 112 is provided with a clearance groove. The clearance groove is correspondingly located outside the rotating hole 113 to reserve space for the hinge 125 to pass through, so that the hinge 125 can pass through the mounting column 111 and connect with the support side plate 121. Nuts are provided at both ends of the hinge 125 extending out of the support side plate 121 to lock the hinge 125.

[0074] Furthermore, such as Figure 4 As shown, the mounting post 111 and the mounting block 124 are also connected by a connector 126. Specifically, the hinge 125 is a cylindrical structure with a connecting hole 1251. The axis of the connecting hole 1251 is perpendicular to the length extension direction of the hinge 125, and the axis of the connecting hole 1251 overlaps with the radial line of the hinge 125, that is, the axis of the connecting hole 1251 passes through the center of the hinge 125. The connector 126 is disposed in the connecting hole 1251 of the hinge 125, thereby realizing the connection between the mounting block 124 and the hinge 125.

[0075] Correspondingly, such as Figure 4 As shown, the mounting block 124 is provided with a limiting hole 1242. One end of the limiting hole 1242 is open on the upper end face of the mounting block 124, and the other end is open on the inner wall of the mating hole 1241. In this embodiment, the limiting hole 1242 and the connecting hole 1251 are coaxially arranged to allow the connector 126 to be inserted. In this embodiment, the connector 126 is inserted from the limiting hole 1242 into the connecting hole 1251 to realize the connection between the mounting column 111 and the mounting block 124 along the length extension direction of the support beam 11, thereby strengthening the connection strength between the mounting column 111 and the mounting block 124, making the connection between the support frame 12 and the support beam 11 more stable and less prone to disintegration.

[0076] In this embodiment, the connector 126 is a screw, and the limiting hole 1242 and the connecting hole 1251 are provided with internal threads.

[0077] It should be noted that the various embodiments of this application can be arbitrarily combined into new embodiments, provided that the solutions do not conflict and the technical solutions can coexist.

[0078] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A pusher for rock drilling equipment, characterized in that The invention relates to a pusher for rock drilling equipment, comprising: a support beam (11) configured as an extension structure; a pushing mechanism (13) by which the support beam (11) is connected with a drilling boom; a support frame (12) provided at the end of the support beam (11) for providing at least two support points arranged in the same plane at intervals; wherein the support frame (12) is capable of rotating within a limited angle.

2. The pusher for rock drilling equipment according to claim 1, wherein: the rotation angle between the support frame (12) and the length extension direction of the support beam (11) is θ, wherein 0°≤θ≤30°.

3. The pusher for rock drilling equipment according to claim 1, wherein: the support frame (12) comprises a support base and a backing plate (123), the support base is hinged with the support beam (11); the backing plate (123) is connected to the end surface of the support base away from the support beam (11), and the backing plate (123) is at least two, and the backing plates (123) are arranged at intervals.

4. The pusher for rock drilling equipment according to claim 3, wherein: the support base comprises a support side plate (121) and a support top plate (122), and the support side plate (121) is provided as two pieces; the two pieces of support side plate (121) are arranged in parallel at the side end of the support top plate (122), and the support side plate (121) is connected perpendicularly with the support top plate (122); wherein the support top plate (122) is perpendicular to the support beam (11).

5. The pusher for rock drilling equipment according to claim 4, wherein: the support top plate (122) is provided with a mounting block (124) near one end of the support beam (11), and the mounting block (124) is provided with a matching hole (1241); the support side plate (121) is provided with a hinge hole (1211), and the support beam (11) is provided with a rotating hole (113), and the rotating hole (113), the hinge hole (1211) and the matching hole (1241) are coaxially arranged for insertion of the same hinge (125).

6. The pusher for rock drilling equipment according to claim 5, wherein: the support beam (11) comprises a mounting column (111) and an extension cylinder (112), the mounting column (111) is arranged at the end of the extension cylinder (112), and the rotating hole (113) is arranged on the mounting column (111); wherein the mounting column (111) protrudes towards the support frame (12), the outer diameter of the mounting column (111) is smaller than the inner diameter of the extension cylinder (112), and the outer diameter of the mounting block (124) is smaller than the inner diameter of the extension cylinder (112).

7. The pusher for rock drilling equipment according to claim 6, wherein: the support top plate (122) is provided with a mounting hole (1221), and the mounting block (124) is arranged in the mounting hole (1221); the rotating hole (113) is located in the extension cylinder (112); the support side plate (121) comprises a first side edge, a second side edge and a third side edge. The second side and the third side are respectively connected to two ends of the first side, and the first side is parallel to the support top plate (122); The second side and the third side extend towards the support beam (11), and the end of the second side and the third side away from the first side is connected, and the included angle between the second side and the third side is obtuse.

8. The propeller for rock drilling equipment according to claim 5, characterized in that, The connecting hole (1251) is coaxially arranged with the connecting hole (1251) and is inserted by the same connecting piece (126).

9. The propeller for rock drilling equipment according to claim 4, characterized in that, The two pads (123) are respectively arranged on the two sides of the support top plate (122); The pad (123) extends away from the support top plate (122), and the end surface of the pad (123) exceeds the end surface of the support base.

10. The propeller for rock drilling equipment according to claim 1, characterized in that, Further comprising a rotating mechanism (14), the support beam (11) is connected with the large arm through the rotating mechanism (14), and the rotating mechanism (14) is used for driving the support beam (11) to rotate. ​

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