Compact side wall anchor protection device

Abstract

The utility model relates to the technical field of anchor rod supporting equipment, in particular to a compact lateral wall anchor protection device which comprises an anchor protection drilling machine, a fixing mechanism, a lifting mechanism and a rotating mechanism, the fixing mechanism comprises a machine frame and a drilling machine fixing frame, dovetail rails are symmetrically arranged at the two ends of the machine frame, the drilling machine fixing frame is connected with the anchor protection drilling machine, and the lifting mechanism is arranged corresponding to the machine frame. Comprising a lifting frame body connected with a drilling machine fixing frame, dovetail groove guide plates and a lifting driving piece, the lifting driving piece is connected with a rack and the lifting frame body, the dovetail groove guide plates are arranged at the two ends of the lifting frame body and correspond to dovetail rails, and the dovetail groove guide plates can move along the dovetail rails. The lifting driving part is driven to drive the lifting frame body to vertically move along the rack, the rotating mechanism penetrates through the lifting frame body and is connected with the anchor protection drilling machine so that the anchor protection drilling machine can rotate relative to the rack, the guiding precision is guaranteed, the thickness and the size of the guide rail are reduced, and the overall compactness of the side wall anchor protection device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rod support equipment, in particular to a compact side support anchor protection device. Background Art

[0002] At present, 90% of the tunnels in my country are single-tunnel excavated, and the geological conditions of most mines are complex. There are many hidden dangers in support safety and serious imbalance between support and excavation. Coal mine roof accidents have become the top of all types of safety accidents in my country's coal mines.

[0003] At present, tunnel construction in my country still mainly relies on the matching process of tunnel boring machine and single drilling rig, with an average monthly footage of less than 200m, and the support requires many people, poor safety, and high labor intensity, which is far from meeting the needs of tunnel excavation. At present, major mining areas have begun to use anchor drilling vehicles for support, but they are still mainly based on the top anchor support of the tunnel, and the support capacity for the side walls of the tunnel is relatively weak. At the same time, the side wall anchor protection device that has been developed cannot be arranged on the compact anchor drilling vehicle due to its large size, which also greatly limits the promotion and application of the side wall anchor protection device on the anchor drilling vehicle. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a compact side support anchor device with compact structure and improved supporting capacity.

[0005] The utility model provides a compact side anchor protection device, comprising:

[0006] Anchor drill rig;

[0007] A fixing mechanism, the fixing mechanism comprising a drilling rig fixing frame and a frame, the anchor drill rig is connected to the drilling rig fixing frame, and dovetail tracks are symmetrically arranged at both ends of the frame;

[0008] A lifting mechanism, the lifting mechanism is arranged corresponding to the frame, the lifting mechanism comprises a lifting frame body, a dovetail groove guide plate and a lifting drive member, the lifting frame body is connected to the drilling rig fixing frame, one end of the lifting drive member is connected to the frame, and the other end is connected to the lifting frame body, the dovetail groove guide plate is arranged at both ends of the lifting frame body and corresponds to the dovetail track, the dovetail groove guide plate can move along the dovetail track, and the lifting drive member is driven to drive the lifting frame body to make vertical movement along the frame;

[0009] A rotating mechanism, wherein the rotating mechanism passes through the lifting frame body and is connected to the anchor drill rig to realize the rotation of the anchor drill rig relative to the frame.

[0010] Optionally, the frame includes a frame body and two track strips, the two track strips are respectively arranged on opposite outer sides of two dovetail rails, and the dovetail groove guide plate slides relative to the track strips.

[0011] Optionally, the frame includes a wear-resistant strip, and the wear-resistant strip is arranged on the inner side of the dovetail track.

[0012] Optionally, a first fixing ear is provided at the bottom end of the frame, a second fixing ear is provided at the top end of the lifting frame body, and two ends of the lifting drive member are respectively connected to the first fixing ear and the second fixing ear.

[0013] Optionally, a saddle block is symmetrically arranged on the top of the lifting frame body, a connecting plate is arranged between the saddle block and the lifting frame body, and the rotating mechanism passes through the connecting plate.

[0014] Optionally, the drilling rig fixture includes a drilling rig fixture body, a spline half shaft and a rotating half shaft;

[0015] A plurality of fixing holes are evenly arranged on both sides of the main body of the drilling rig fixing frame, and the anchor drill rig is connected to the main body of the drilling rig fixing frame through the fixing holes;

[0016] The spline half-shaft and the rotating half-shaft are symmetrically arranged on both sides of the drilling rig fixing frame body, and both the spline half-shaft and the rotating half-shaft are connected to the lifting frame body, and the rotating half-shaft passes through the drilling rig fixing frame body and is connected to the rotating mechanism.

[0017] Optionally, a locking member is provided on the rotating mechanism.

[0018] Optionally, the rotating mechanism is a rotating cylinder.

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

[0020] The present embodiment provides a compact side wall anchoring device, the fixing mechanism of which includes a drilling rig fixing frame and a frame, the drilling rig fixing frame is used to fix the anchoring drilling rig, the drilling rig fixing frame is connected to the lifting frame body, and the lifting frame body is connected to the frame through a lifting drive, thereby realizing the overall installation of the side wall anchoring device, by symmetrically arranging dovetail rails at both ends of the frame, and arranging dovetail guide plates at positions corresponding to the dovetail rails on the lifting frame body, so that the dovetail guide plates can slide along the dovetail rails, that is, by driving the lifting drive, the lifting frame body can be driven to make vertical movements along the frame, and the drilling rig fixing frame is connected to the lifting frame body, Thereby, the anchor drill can be made to move vertically along the frame. By setting up a rotating mechanism, the anchor drill can be rotated relative to the frame, and the angle adjustment of the anchor drill can be achieved. At the same time, the rotating mechanism can stop and lock the anchor drill at the corresponding support angle, ensuring that no slippage occurs when drilling at the corresponding angle. In other words, this side anchor device adopts a dovetail guide structure, which not only ensures the guiding accuracy, but also reduces the thickness and volume of the guide rail, thereby improving the overall compactness of the side anchor device, so that the anchor drill can move in the vertical direction and achieve angle adjustment, thereby completing a complete side support cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or 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 compact side anchor protection device according to an embodiment of the utility model;

[0024] Figure 2 This is a structural schematic diagram of the anchor drill rig according to an embodiment of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the rotating mechanism described in an embodiment of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the frame described in the embodiment of the utility model;

[0027] Figure 5 This is a structural schematic diagram of the lifting mechanism described in an embodiment of the utility model;

[0028] Figure 6 It is a structural schematic diagram of a drilling rig fixing frame described in an embodiment of the utility model.

[0029] Among them, 1. anchor drill rig; 2. rotating mechanism; 3. frame; 4. lifting mechanism; 5. pin plate; 6. pin shaft; 7. lifting drive; 8. drilling rig fixed frame; 9. clamping mechanism; 10. support column assembly; 11. slide assembly; 12. chain transmission device; 13. drill box; 14. guide connecting plate; 15. frame assembly; 16. short feed cylinder; 17. long feed cylinder; 18. frame body; 19. track pressure strip; 20. first fixing ear; 21. wear-resistant strip; 22. saddle block; 23. lifting frame body; 24. connecting plate; 25. dovetail groove guide plate; 26. second fixing ear; 27. rotating half shaft; 28. drilling rig fixed frame body; 29. ​​bushing; 30. spline half shaft; 31. fixing hole; 32. dovetail track; 33. locking piece. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the scheme of the utility model will be further described below. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0031] 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; obviously, the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] Reference Figures 1 to 6 As shown, this embodiment provides a compact side anchoring device, including an anchoring drill rig 1, a fixing mechanism, a lifting mechanism 4 and a rotating mechanism 2.

[0033] The fixing mechanism includes a drilling rig fixing frame 8 and a frame 3. The anchor drilling rig 1 is connected to the drilling rig fixing frame 8. Dovetail rails 32 are symmetrically arranged at both ends of the frame 3. The lifting mechanism 4 is arranged corresponding to the frame 3. The lifting mechanism 4 includes a lifting frame body 23, a dovetail groove guide plate 25 and a lifting drive member 7. The lifting frame body 23 is connected to the drilling rig fixing frame 8. One end of the lifting drive member 7 is connected to the frame 3, and the other end is connected to the lifting frame body 23. The dovetail groove guide plate 25 is arranged at both ends of the lifting frame body 23 and corresponds to the dovetail rail 32. The dovetail groove guide plate 25 can move along the dovetail rail 32, driving the lifting drive member 7 to drive the lifting frame body 23 to make vertical movement along the frame 3. The rotating mechanism 2 runs through the lifting frame body 23 and is connected to the anchor drilling rig 1 to realize the rotation of the anchor drilling rig 1 relative to the frame 3.

[0034] Among them, refer to Figure 1 , Figure 4 and Figure 6 As shown, the fixing mechanism includes a drilling rig fixing frame 8 and a frame 3. The drilling rig fixing frame 8 is used to fix the anchoring drilling rig 1. The drilling rig fixing frame 8 is connected to the lifting frame body 23. The lifting frame body 23 is connected to the frame 3 through a lifting drive 7, thereby realizing the overall installation of the side wall anchoring device. By symmetrically arranging dovetail rails 32 at both ends of the frame 3, a dovetail guide plate 25 is arranged at a position corresponding to the dovetail rail 32 on the lifting frame body 23, so that the dovetail guide plate 25 can slide along the dovetail rail 32, that is, by driving the lifting drive 7, the lifting frame body 23 can be driven to make a vertical movement along the frame 3, and the drilling rig fixing frame 8 is connected to the lifting frame body 23, so that The anchor drill 1 is able to make vertical movement along the frame 3. By setting up the rotating mechanism 2, the anchor drill 1 can be rotated relative to the frame 3, and the angle adjustment of the anchor drill 1 is achieved. At the same time, the rotating mechanism 2 can achieve the stop and locking of the anchor drill 1 at the corresponding support angle, ensuring that no slippage occurs when drilling at the corresponding angle. In other words, this side anchor device adopts a dovetail guide structure, which not only ensures the guiding accuracy, but also reduces the thickness and volume of the guide rail, thereby improving the overall compactness of the side anchor device, so that the anchor drill 1 can move in the vertical direction and achieve angle adjustment, thereby completing a complete side support cycle.

[0035] Among them, refer to Figure 2 As shown, the anchor drill rig 1 is a compact anchor drill rig, which includes a drill clamping mechanism 9, a support column assembly 10, a slide assembly 11, a chain transmission device 12, a drill box 13, a guide connecting plate 14, a frame assembly 15, a short feed cylinder 16 and a long feed cylinder 17. The support column assembly 10 is used to support the coal wall, the drill clamping mechanism 9 is used to clamp the drill rod, the chain transmission device 12 is arranged in the slide assembly 11 and is provided with two chains, the two chains are respectively located on both sides of the short feed cylinder 16, and the chain is connected to the drill box 13 through the guide connecting plate 14. One end of the long feed cylinder 17 is connected to the slide assembly 11, and the bottom of the long feed cylinder 17 is connected to the frame assembly. The bottom plate of 15 is hinged. When working, the support column assembly 10 supports the top, and the slide assembly 11 moves relative to the frame assembly 15 under the push of the long feed cylinder 17, so as to realize the primary feed of the compact anchor drilling rig. After the slide assembly 11 is in place, the drill box 13 fixed on the guide connecting plate 14 moves relative to the slide assembly 11 under the push of the short feed cylinder 16 and the chain transmission device 12, so as to realize the secondary feed of the compact anchor drilling rig. When performing the anchor drilling operation, the drill clamping mechanism 9 protects the rod. Compared with the ordinary anchor drilling rig, this compact anchor drilling rig is more compact in structure, has the characteristics of small size and light weight, and is convenient for the overall layout of the anchor drilling rig 1.

[0036] Further, see Figure 4As shown, the frame 3 includes a frame body 18 and two track strips 19, the two track strips 19 are respectively arranged on the opposite outer sides of the two dovetail rails 32, and the dovetail groove guide plate 25 slides relative to the track strips 19. Specifically, the two track strips 19 are respectively arranged along the extension direction of the two dovetail rails 32, reducing the clearance between the dovetail groove guide plate 25 and the dovetail rail 32, making them closely matched, and improving the stability of movement.

[0037] Continue to refer to Figure 4 As shown, the frame 3 includes a wear-resistant strip 21, which is arranged on the inner side of the dovetail track 32. By arranging the wear-resistant strip 21, the friction between the dovetail groove guide plate 25 and the dovetail track 32 is effectively reduced, thereby extending the service life of the dovetail groove guide plate 25 and the dovetail track 32.

[0038] Reference Figure 4 and Figure 5 As shown, the bottom end of the frame 3 is provided with a first fixing ear 20, the top end of the lifting frame body 23 is provided with a second fixing ear 26, and the two ends of the lifting drive member 7 are respectively connected to the first fixing ear 20 and the second fixing ear 26. Specifically, the lifting drive member 7 is a lifting cylinder, and the two ends of the lifting cylinder are respectively connected to the first fixing ear 20 and the second fixing ear 26 through the pin shaft 6, thereby realizing the connection between the frame 3 and the lifting mechanism 4. The first fixing ear 20 and the second fixing ear 26 are also provided with a stopper plate 5 that abuts against the pin shaft 6 to prevent the pin shaft 6 from axial movement. By driving the lifting cylinder, the lifting mechanism 4 can move along the frame 3.

[0039] Continue to refer to Figure 5 As shown, a saddle block 22 is symmetrically arranged on the top of the lifting frame body 23, a connecting plate 24 is arranged between the saddle block 22 and the lifting frame body 23, and the rotating mechanism 2 passes through the connecting plate 24. Specifically, the lifting frame body 23 includes a back plate and first side plates symmetrically arranged on both sides of the top of the back plate, a saddle block 22 is arranged on the top of the first side plate, a receiving space is formed between the saddle block 22 and the first side plate, a connecting plate 24 is arranged in the receiving space, the rotating mechanism 2 passes through the connecting plate 24 to be installed on the lifting frame body 23, and the part of the rotating mechanism 2 passing through the connecting plate 24 is connected to the anchor drill 1 to drive the anchor drill 1 to rotate.

[0040] Reference Figure 6As shown, the drilling rig fixing frame 8 includes a drilling rig fixing frame body 28, a spline half-shaft 30 and a rotating half-shaft 27; a plurality of fixing holes 31 are evenly arranged on both sides of the drilling rig fixing frame body 28, and the anchor drilling rig 1 is connected to the drilling rig fixing frame body 28 through the fixing holes 31; the spline half-shaft 30 and the rotating half-shaft 27 are symmetrically arranged on both sides of the drilling rig fixing frame body 28, and the spline half-shaft 30 and the rotating half-shaft 27 are both connected to the lifting frame body 23, and the rotating half-shaft 27 passes through the drilling rig fixing frame body 28 and is connected to the rotating mechanism 2. Specifically, the drilling rig fixing frame body 28 includes a bottom plate and two second side plates symmetrically arranged on both sides of the bottom plate, a space for accommodating the anchor drilling rig 1 is formed between the two second side plates and the bottom plate, a plurality of fixing holes 31 are evenly opened on the two second side plates, the anchor drilling rig 1 is connected to the drilling rig fixing frame body 28 by bolts passing through the fixing holes 31, the spline half-shaft 30 and the rotating half-shaft 27 are symmetrically arranged on the two second side plates, the spline half-shaft 30 is connected to the second side plate through the shaft sleeve 29, and the spline half-shaft 30 and the rotating half-shaft 27 are both connected to the lifting frame body 23, realizing the connection between the drilling rig fixing frame body 28 and the lifting frame body 23, thereby realizing the movement of the lifting frame body 23 to drive the anchor drilling rig 1 to move, the rotating half-shaft 27 passes through the drilling rig fixing frame body 28 and is connected to the rotating mechanism 2, driving the rotating mechanism 2 to realize the rotation of the anchor drilling rig 1.

[0041] Reference Figure 1 and Figure 3 As shown, a locking member 33 is provided on the rotating mechanism 2, and the rotating mechanism 2 is a rotating cylinder. By providing the locking member 33 on the rotating cylinder, the anchor drill rig 1 is locked at a corresponding support angle to ensure that no slippage occurs when drilling at the corresponding angle.

[0042] This side wall anchoring device is mainly integrated on the anchor drilling vehicle to realize the side wall anchoring support of the anchor drilling vehicle. When the anchor drilling vehicle starts to anchor, the hydraulic handle is operated to drive the rotating cylinder 2 to rotate the anchor drilling machine 1 from a vertical downward state to a horizontal state, and the lifting drive member 7 is used to drive the lifting mechanism 4 to lift vertically relative to the frame 3, and finally drive the anchor drilling machine 1 to lift to the anchor drilling positioning position, and the anchor drilling machine 1 starts to perform anchoring operations. First, the support column assembly 10 of the anchor drilling machine 1 extends out to support the side wall of the coal, and the slide assembly 11 drives the drill box 13 to complete a The guide connecting plate 14 drives the drill box 13 to complete the secondary feeding under the drive of the chain transmission device 12 and the short feed cylinder 16. After the anchor drilling operation is completed, the guide connecting plate 14 is reset to the initial position, the slide assembly 11 is reset to the initial position, the support column assembly 10 is retracted, and the lifting drive 7 drives the lifting mechanism 4 to vertically descend to the initial position relative to the frame 3. The rotating mechanism 2 drives the anchor drilling rig 1 to rotate from a horizontal state to a vertical downward state, thereby completing a complete side support cycle. The anchor drilling vehicle moves to the next row support position and enters the next side support cycle.

[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 utility model, so that those skilled in the art can understand or implement the utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments described herein, but should conform to the widest scope consistent with the principles and novel features of the utility model described herein.

Claims

1. A compact side anchor protection device, characterized in that: include: Anchor drill rig (1); A fixing mechanism, the fixing mechanism comprising a drilling rig fixing frame (8) and a frame (3), the anchor drilling rig (1) being connected to the drilling rig fixing frame (8), and dovetail rails (32) being symmetrically arranged at both ends of the frame (3); A lifting mechanism (4), wherein the lifting mechanism (4) is arranged corresponding to the frame (3), the lifting mechanism (4) comprises a lifting frame body (23), a dovetail groove guide plate (25) and a lifting drive member (7), the lifting frame body (23) is connected to the drilling rig fixing frame (8), one end of the lifting drive member (7) is connected to the frame (3), and the other end is connected to the lifting frame body (23), the dovetail groove guide plate (25) is arranged at both ends of the lifting frame body (23), and is arranged corresponding to the dovetail track (32), the dovetail groove guide plate (25) can move along the dovetail track (32), and drive the lifting drive member (7) to drive the lifting frame body (23) to make vertical movement along the frame (3); A rotating mechanism (2), wherein the rotating mechanism (2) passes through the lifting frame body (23) and is connected to the anchor drill rig (1) to enable the anchor drill rig (1) to rotate relative to the frame (3).

2. The compact side anchor device according to claim 1, characterized in that: The frame (3) comprises a frame body (18) and two track strips (19), wherein the two track strips (19) are respectively arranged on opposite outer sides of two dovetail rails (32), and the dovetail groove guide plate (25) slides relative to the track strips (19).

3. The compact side anchor device according to claim 1, characterized in that: The frame (3) comprises a wear-resistant strip (21), and the wear-resistant strip (21) is arranged on the inner side of the dovetail track (32).

4. The compact side anchor device according to claim 1, characterized in that: The bottom end of the frame (3) is provided with a first fixing ear (20), the top end of the lifting frame body (23) is provided with a second fixing ear (26), and the two ends of the lifting drive member (7) are respectively connected to the first fixing ear (20) and the second fixing ear (26).

5. The compact side anchor device according to claim 1, characterized in that: A saddle block (22) is symmetrically arranged on the top of the lifting frame body (23), a connecting plate (24) is arranged between the saddle block (22) and the lifting frame body (23), and the rotating mechanism (2) passes through the connecting plate (24).

6. The compact side anchor device according to claim 1, characterized in that: The drilling rig fixing frame (8) comprises a drilling rig fixing frame body (28), a spline half shaft (30) and a rotating half shaft (27); A plurality of fixing holes (31) are evenly arranged on both sides of the drilling rig fixing frame body (28), and the anchor drill (1) is connected to the drilling rig fixing frame body (28) through the fixing holes (31); The spline half-shaft (30) and the rotating half-shaft (27) are symmetrically arranged on both sides of the drilling rig fixing frame body (28), and the spline half-shaft (30) and the rotating half-shaft (27) are both connected to the lifting frame body (23), and the rotating half-shaft (27) passes through the drilling rig fixing frame body (28) and is connected to the rotating mechanism (2).

7. The compact side anchor device according to claim 1, characterized in that: The rotating mechanism (2) is provided with a locking member (33).

8. The compact side anchor device according to claim 1, characterized in that: The rotating mechanism (2) is a rotating oil cylinder.

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