Boom and drill jumbo

Abstract

The utility model relates to the technical field of rock drilling equipment, in particular to a boom and a drill jumbo. The utility model relates to an arm support, which comprises an arm support bracket, a first driving structure and a second driving structure, the propelling assembly is connected with the first driving structure, the first driving structure can drive the propelling assembly to rotate in the horizontal axial direction, a second driving structure is arranged on the propelling assembly, and in the initial state, the second driving structure drives the propelling assembly to rotate in the horizontal axial direction. The second driving structure can drive a drill rod assembly arranged on the propelling assembly to rotate in the vertical axial direction. By arranging the first driving structure and the second driving structure, the position and the angle of the drill rod assembly can be adjusted, drilling positioning can be completed according to different tunnel terrains, meanwhile, multi-direction and multi-angle drilling can be achieved, the construction efficiency is improved, and higher practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drilling equipment, in particular to an arm and a rock drilling trolley. Background Art

[0002] A drilling rig is a type of drilling equipment frequently used in tunnel and underground engineering construction. The boom is one of the important components of a drilling rig, which is used to control the positioning of the drill rod and the movement of the drill rod when drilling a hole.

[0003] In the related art, the boom usually has a propulsion assembly and a fixing assembly. The propulsion assembly is provided with a drill rod. The fixing assembly fixes the boom after the boom is positioned, and then the propulsion assembly moves vertically upward or downward and enables the drill rod to drill a hole. However, with the improvement of process requirements and the diversification of tunnel forms, the simple vertical drilling method of the boom can no longer meet construction needs. Summary of the Invention

[0004] In view of this, the utility model provides a boom and a rock drilling rig to solve the problem that the simple vertical drilling method of the boom can no longer meet construction needs.

[0005] In a first aspect, the present invention provides a boom, comprising:

[0006] An arm support, wherein a first driving structure is provided on the arm support;

[0007] A propulsion assembly is connected to the first drive structure, and the first drive structure can drive the propulsion assembly to rotate along the horizontal axial direction. A second drive structure is provided on the propulsion assembly, and in an initial state, the second drive structure can drive the drill rod assembly provided on the propulsion assembly to rotate along the vertical axial direction.

[0008] In an optional embodiment, the arm bracket includes a fixed frame and a swing frame, one end of the swing frame is rotatably connected to the fixed frame, and a third drive structure is provided on the fixed frame. The third drive structure is connected to the swing frame so that the swing frame has a swinging state moving toward the inner wall of the tunnel and a reset state moving away from the inner wall of the tunnel.

[0009] In an optional embodiment, the fixed frame has a connecting cavity, one end of the swing frame is arranged in the connecting cavity, the first driving structure is arranged at the other end of the swing frame, and the swing shaft passes through the fixed frame and one end of the swing frame to rotate the swing frame and the fixed frame.

[0010] In an optional embodiment, the third driving structure is a cylinder, one end of the cylinder is hinged to the fixed frame, and the other end of the cylinder is provided with a telescopic rod, and the telescopic rod is hinged to the swing frame.

[0011] In an optional embodiment, the first drive structure and the second drive structure are both swing cylinders.

[0012] In an optional embodiment, the propulsion assembly is provided with a guide rail, and the drill rod assembly is movably arranged on the guide rail.

[0013] In an optional embodiment, a fourth driving structure is provided on the propulsion assembly, and the fourth driving structure is connected to the drill rod assembly to drive the drill rod assembly to move relative to the guide direction of the guide rail.

[0014] In the second aspect, the utility model also provides a rock drilling trolley, comprising: a frame and the arm as described in any of the above-mentioned schemes, the arm bracket being rotatably connected to the frame, a fifth drive structure being provided on the frame, the fifth drive structure being connected to the arm bracket so that the arm has a storage state retracted to the frame and a working state extended from the frame and unfolded.

[0015] In an optional embodiment, the fixing frame of the arm bracket is rotatably connected to the vehicle frame via a pin, and the fixing frame is fixedly connected to the pin.

[0016] In an optional embodiment, the fifth driving structure is a pitch cylinder, and the output shaft of the pitch cylinder is connected to the pin shaft to drive the pin shaft to rotate, so that the pin shaft drives the arm support to rotate.

[0017] Beneficial effects:

[0018] 1. The boom disclosed in the present invention can adjust the position and angle of the drill rod assembly by setting a first drive structure and a second drive structure, which is conducive to completing the positioning of the drill hole according to the terrain of different tunnels. At the same time, it can realize multi-directional and multi-angle drilling, improve construction efficiency, and have higher practicality.

[0019] 2. The boom disclosed in the utility model, by providing a third drive structure, enables the drill rod assembly to move to more positions, improves the freedom of the drilling assembly, can better drill holes at different angles in the tunnel, improves construction efficiency, and has higher practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of an arm support according to an embodiment of the present utility model;

[0022] Figure 2 This is a front view of a rock drilling rig according to an embodiment of the present utility model;

[0023] Figure 3 This is a top view of a rock drilling trolley according to an embodiment of the present utility model.

[0024] Description of reference numerals:

[0025] 1. Boom bracket; 101. Fixed frame; 102. Swing frame; 2. First drive structure; 3. Propulsion assembly; 4. Second drive structure; 5. Third drive structure; 6. Swing shaft; 7. Guide rail; 8. Drill rod assembly; 9. Fourth drive structure; 10. Frame; 11. Fifth drive structure; 12. Pin shaft. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0027] The following combination Figure 1 , describing the embodiments of the present utility model.

[0028] According to an embodiment of the present invention, on one hand, a boom is provided, comprising: a boom support 1 and a propulsion assembly 3 .

[0029] Specifically, a first drive structure 2 is provided on the boom support 1. A propulsion assembly 3 is connected to the first drive structure 2, and the first drive structure 2 can drive the propulsion assembly 3 to rotate in the horizontal axial direction. A second drive structure 4 is provided on the propulsion assembly 3, and the second drive structure 4 can drive the drill rod assembly 8 provided on the propulsion assembly 3 to rotate in the vertical axial direction.

[0030] In this embodiment, the boom includes a boom support 1 and a propulsion assembly 3, which is fixedly connected to the boom support 1, and a drill rod assembly 8 is arranged on the propulsion assembly 3. The drill rod for drilling holes is provided on the drill rod assembly 8, and a first driving structure 2 is provided at the connection between the boom support 1 and the propulsion assembly 3. The first driving structure 2 is connected to the propulsion assembly 3, and the first driving structure 2 can drive the propulsion assembly 3 to rotate axially in the horizontal direction. When the propulsion assembly 3 rotates, it will drive the drill rod assembly 8 to rotate, so that the drilling angle of the drill rod assembly 8 changes. At the same time, a second driving structure 4 is provided on the propulsion assembly 3, and the second driving structure 4 is connected to the drill rod assembly 8 to drive the drill rod assembly 8 to rotate. In the initial state, the drill rod assembly 8 is perpendicular to the horizontal direction. The second driving structure 4 can drive the drill rod assembly 8 to rotate in the vertical axial direction to adjust the position of the drill rod assembly 8, and then the first driving structure 2 drives the propulsion assembly 3 to rotate to change the angle of the drill rod assembly 8.

[0031] It should be noted that by setting the first drive structure 2 and the second drive structure 4, the position and angle of the drill rod assembly 8 can be adjusted, which is conducive to completing the positioning of the drilling hole according to the terrain of different tunnels. At the same time, multi-directional and multi-angle drilling can be achieved, which improves construction efficiency and has higher practicality.

[0032] Preferably, in this embodiment, the first drive structure 2 and the second drive structure 4 are both swing cylinders.

[0033] In some embodiments, the arm support 1 includes a fixed frame 101 and a swing frame 102, one end of the swing frame 102 is rotatably connected to the fixed frame 101, and a third driving structure 5 is provided on the fixed frame 101. The third driving structure 5 is connected to the swing frame 102 so that the swing frame 102 has a swinging state moving toward the inner wall of the tunnel and a reset state moving away from the inner wall of the tunnel.

[0034] In this embodiment, if Figure 1 As shown, the swing frame 102 is rotatably connected to the fixed frame 101, the propulsion assembly 3 is connected to the swing frame 102, the first drive structure 2 is arranged on the swing frame 102, and the fixed frame 101 is provided with a third drive structure 5. The third drive structure 5 is connected to the swing frame 102 to drive the swing frame 102 to rotate. The rotation of the swing frame 102 drives the propulsion assembly 3 and the first drive structure 2 to rotate. The third drive structure 5 can drive the swing frame 102 to rotate toward the inner wall of the tunnel, so that the propulsion assembly 3 is close to the inner wall of the tunnel, thereby completing the positioning of the drill rod assembly 8. After drilling is completed, the third drive structure 5 can drive the swing frame 102 to rotate in the direction away from the inner wall of the tunnel and reset.

[0035] It needs to be explained that by setting the third driving structure 5, the moving position of the drill rod assembly 8 is more, the degree of freedom of the drilling assembly is improved, the different angles in the tunnel can be drilled better, the construction efficiency is improved, and higher practicability is achieved.

[0036] In some embodiments, the fixed frame 101 has a connecting cavity, one end of the swing frame 102 is arranged in the connecting cavity, the first driving structure 2 is arranged at the other end of the swing frame 102, and the swing shaft 6 penetrates one end of the fixed frame 101 and the swing frame 102 to rotatably connect the swing frame 102 with the fixed frame 101.

[0037] In the embodiment, as shown in the figure, Figure 1 the fixed frame 101 has a connecting cavity, which is a rectangular structure. In other optional embodiments, the connecting cavity can be circular, square, elliptical, or the like. The lower end of the swing frame 102 is arranged in the connecting cavity, the first driving structure 2 and the propulsion assembly 3 are arranged at the upper end of the swing frame 102, the swing shaft 6 penetrates the lower end of the fixed frame 101 and the swing frame 102, and the swing shaft 6 is rotatably arranged in the connecting cavity. The lower end of the swing frame 102 is fixedly connected with the swing shaft 6, so that when the swing shaft 6 rotates, the swing frame 102 will rotate with the swing shaft 6.

[0038] In some embodiments, the third driving structure 5 is an oil cylinder, one end of the oil cylinder is hinged with the fixed frame 101, and the other end of the oil cylinder is provided with a telescopic rod, which is hinged with the swing frame 102.

[0039] In the embodiment, as shown in the figure, Figure 1 the lower end of the oil cylinder is hinged with the fixed frame 101, the upper end of the oil cylinder has a telescopic rod, the telescopic rod is telescopically arranged in the oil cylinder, the upper end of the telescopic rod is hinged with the swing frame 102, and the telescopic rod is extended out of the oil cylinder to drive the swing frame 102 to rotate. The oil cylinder will also rotate with the swing frame 102. When the telescopic rod is retracted into the oil cylinder, the swing frame 102 can be reset, and the oil cylinder will also reset with the swing frame 102.

[0040] In other embodiments, the third driving structure 5 can also be a motor, which is connected with the swing shaft 6 to drive the swing shaft 6 to rotate.

[0041] In the embodiment, as shown in the figure, Figure 1 the propulsion assembly 3 is provided with a guide rail 7, and the drill rod assembly 8 is movably arranged on the guide rail 7.

[0042] In the embodiment, as shown in the figure, Figure 1 the propulsion assembly 3 is provided with a fourth driving structure 9, which is connected with the drill rod assembly 8 to drive the drill rod assembly 8 to move relative to the guide direction of the guide rail 7, so that the drill rod assembly 8 moves to a specified drilling position, and the positioning of the drill rod assembly 8 is completed.

[0043] Preferably, the fourth driving structure 9 is also an oil cylinder.

[0044] According to an embodiment of the present invention, on the other hand, a rock drilling rig is provided, comprising: a frame 10 and the boom in the above embodiment.

[0045] Specifically, the arm bracket 1 is rotatably connected to the frame 10, and a fifth driving structure 11 is provided on the frame 10. The fifth driving structure 11 is connected to the arm bracket 1 so that the arm can be retracted into the frame 10 and extended from the frame 10 to work.

[0046] In this embodiment, if Figure 2 and Figure 3 As shown, the arm bracket 1 is rotatably connected to the frame 10, and the frame 10 is provided with a fifth driving structure 11 connected to the arm bracket 1. When the frame 10 moves to the position where a hole needs to be drilled, the fifth driving structure 11 drives the arm bracket 1 to rotate so that the arm extends from the frame 10 and unfolds, and enters a working state; when the drilling is completed, the fifth driving structure 11 drives the arm bracket 1 to rotate so that the arm is retracted to the frame 10, and enters a storage state. It should be noted that the completion of drilling is the state after the drill rod assembly 8 completes drilling and is reset, the swing frame 102 is reset, and the propulsion assembly 3 is reset.

[0047] In some embodiments, the fixing frame 101 of the arm support 1 is rotatably connected to the vehicle frame 10 via a pin shaft 12 , and the fixing frame 101 is fixedly connected to the pin shaft 12 .

[0048] In this embodiment, if Figure 2 and Figure 3 As shown, the vehicle frame 10 is provided with a connecting portion, a pin shaft 12 passes through the connecting portion and is rotatably connected to the connecting portion, the fixing frame 101 is fixedly connected to the pin shaft 12, so that the vehicle frame 10 is rotatably connected to the arm support 1, and the fifth driving structure 11 is connected to the pin shaft 12 to drive the arm support 1 to rotate, so that the arm support 1 enters a working state or a storage state.

[0049] In this embodiment, if Figure 3 As shown, the fifth driving structure 11 is a pitch cylinder, and the output shaft of the pitch cylinder is connected to the pin shaft 12 to drive the pin shaft 12 to rotate, so that the pin shaft 12 drives the boom bracket 1 to rotate.

[0050] In other embodiments, the fifth driving structure 11 may also be a motor, which is connected to the pin shaft 12 to drive the pin shaft 12 to rotate.

[0051] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall fall within the scope defined by the appended claims.

Claims

1. A boom, characterized in that: include: An arm support (1), wherein a first driving structure (2) is provided on the arm support (1); A propulsion assembly (3) is connected to the first drive structure (2), the first drive structure (2) can drive the propulsion assembly (3) to rotate along the horizontal axial direction, and a second drive structure (4) is provided on the propulsion assembly (3), and in an initial state, the second drive structure (4) can drive a drill rod assembly (8) provided on the propulsion assembly (3) to rotate along the vertical axial direction.

2. The boom according to claim 1, characterized in that: The arm support (1) comprises a fixed frame (101) and a swing frame (102), one end of the swing frame (102) is rotatably connected to the fixed frame (101), a third driving structure (5) is provided on the fixed frame (101), and the third driving structure (5) is connected to the swing frame (102) so that the swing frame (102) has a swinging state moving toward the inner wall of the tunnel and a reset state moving away from the inner wall of the tunnel.

3. The boom according to claim 2, characterized in that: The fixed frame (101) has a connecting cavity, one end of the swing frame (102) is arranged in the connecting cavity, the first driving structure (2) is arranged at the other end of the swing frame (102), and the swing shaft (6) passes through the fixed frame (101) and one end of the swing frame (102) so that the swing frame (102) is rotatably connected to the fixed frame (101).

4. The boom according to claim 3, characterized in that: The third driving structure (5) is an oil cylinder, one end of which is hinged to the fixed frame (101), and the other end of which is provided with a telescopic rod, which is hinged to the swing frame (102).

5. The boom according to any one of claims 1 to 4, characterized in that: The first drive structure (2) and the second drive structure (4) are both swing cylinders.

6. The boom according to claim 5, characterized in that: The propulsion assembly (3) is provided with a guide rail (7), and the drill rod assembly (8) is movably arranged on the guide rail (7).

7. The boom according to claim 6, characterized in that: A fourth driving structure (9) is provided on the propulsion assembly (3), and the fourth driving structure (9) is connected to the drill rod assembly (8) to drive the drill rod assembly (8) to move relative to the guide direction of the guide rail (7).

8. A rock drilling rig, characterized in that: include: A vehicle frame (10) and the arm as described in any one of claims 1 to 7, wherein the arm bracket (1) is rotatably connected to the vehicle frame (10), and a fifth driving structure (11) is provided on the vehicle frame (10), and the fifth driving structure (11) is connected to the arm bracket (1) so that the arm has a storage state of being retracted to the vehicle frame (10) and a working state of being extended from the vehicle frame (10) and unfolded.

9. The drilling rig according to claim 8, wherein: The fixing frame (101) of the arm support (1) is rotatably connected to the vehicle frame (10) via a pin shaft (12), and the fixing frame (101) is fixedly connected to the pin shaft (12).

10. The drilling rig according to claim 9, wherein: The fifth driving structure (11) is a pitch oil cylinder, and the output shaft of the pitch oil cylinder is connected to the pin shaft (12) to drive the pin shaft (12) to rotate, so that the pin shaft (12) drives the arm support (1) to rotate.

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