Blasting drilling device for tunnel blasting construction

Abstract

The invention discloses a blasting drilling device for tunnel blasting construction, and belongs to the field of tunnel construction.The blasting drilling device comprises a rotary supporting mechanism, a moving wheel set is arranged below the rotary supporting mechanism, a push rod is arranged on one side of the rotary supporting mechanism, a shear type lifting frame is arranged on the top face of the rotary supporting mechanism, and a bottom frame is arranged on the top face of the shear type lifting frame; an angle adjusting mechanism is arranged above the bottom frame, and a drilling mechanism is arranged above the angle adjusting mechanism. The shear type lifting frame drives a structure above the shear type lifting frame to ascend and descend, the height of the drilling mechanism is adjusted, and drilling can be conveniently conducted on positions with different heights; the angle of the drilling mechanism is adjusted through the angle adjusting mechanism, so that the inner wall of the tunnel at different angles can be conveniently drilled; the direction of the drilling mechanism is changed by rotating the supporting mechanism, and reversing operation is simple and fast.

Description

Technical Field

[0001] The invention relates to the field of tunnel construction, and in particular to a blasting drilling device for tunnel blasting construction. Background Art

[0002] Tunnels are the focus and key projects of highway and railway construction. With the development of railway construction and the advancement of science and technology, tunnel excavation methods have developed rapidly. The more commonly used excavation methods are drilling and blasting, shield method and tunnel boring machine method. Since the drilling and blasting method has strong adaptability to geological conditions and low excavation cost, it is particularly suitable for the construction of hard rock tunnels, broken rock tunnels and a large number of short tunnels. Therefore, the drilling and blasting method is still a commonly used tunnel excavation method at home and abroad.

[0003] When tunnel excavation is performed using the drill and blast method, it is necessary to drill holes in the rock. When drilling holes, the drilling angle of the existing equipment is not adjustable and the scope of use is relatively small. Summary of the invention

[0004] The purpose of the present invention is to provide a blasting drilling device for tunnel blasting construction, so as to solve the problem that the drilling angle of the existing equipment is not adjustable and the application range is small during drilling.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The present invention discloses a blasting drilling device for tunnel blasting construction, comprising a rotating support mechanism, a moving wheel group is arranged below the rotating support mechanism, a push rod is arranged on one side of the rotating support mechanism, a scissor-type lifting frame is arranged on the top surface of the rotating support mechanism, a base frame is arranged on the top surface of the scissor-type lifting frame, an angle adjustment mechanism is arranged above the base frame, and a drilling mechanism is arranged above the angle adjustment mechanism.

[0007] The drilling mechanism includes a mounting frame, which is arranged above the angle adjustment mechanism. A moving seat is arranged above the mounting frame. A drilling motor is arranged on the top surface of the moving seat. A drill rod is arranged at the output end of the drilling motor. A driving component for driving the moving seat to move is arranged on the mounting frame.

[0008] The driving assembly includes a second hydraulic cylinder, which is arranged below the mounting frame, a moving frame is arranged on the piston rod of the second hydraulic cylinder, a third pulley and a fourth pulley are arranged inside the moving frame, a first pulley and a second pulley are arranged at the left and right ends of the mounting frame respectively, a first steel wire rope is arranged on the left side of the moving seat, the first steel wire rope is wound around the third pulley after passing through the first pulley, and a second steel wire rope is arranged on the right side of the moving seat, the second steel wire rope is wound around the fourth pulley after passing through the second pulley.

[0009] The front and rear sides of the mounting frame are provided with slide grooves, and the movable seat is provided with sliding blocks matching the slide grooves.

[0010] A limit seat is arranged at the right end of the mounting frame, and a through hole is arranged on the limit seat for the drill rod to pass through.

[0011] A connecting plate is arranged on the base frame, and the right end of the mounting frame is hinged to the connecting plate.

[0012] The angle adjustment mechanism comprises a first hydraulic cylinder, which is arranged on the base frame, a piston rod of which is connected to the mounting frame, and a support member is further arranged on the top surface of the base frame, and the support member is in contact with the bottom surface of the mounting frame.

[0013] The number of the first hydraulic cylinders is set to two, and the two first hydraulic cylinders are arranged in parallel front and back.

[0014] The rotating support mechanism includes a frame, a rotating motor is arranged inside the frame, a conversion box is arranged at the output end of the rotating motor, a first rotating shaft is arranged at the output end of the conversion box, a driving wheel is arranged on the first rotating shaft, a second rotating shaft is arranged on the frame, a driven wheel is arranged on the second rotating shaft, the driving wheel and the driven wheel are connected by a synchronous belt transmission, a rotating plate is arranged on the top of the second rotating shaft, and the scissor-type lifting frame is arranged on the top surface of the rotating plate.

[0015] The conversion box includes a shell, a worm is arranged inside the shell, the worm is connected to the output shaft of the rotary motor, one side of the worm is meshedly connected with a worm wheel, and the worm wheel is arranged at the bottom of the first rotating shaft.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are:

[0017] The present invention drives the structure above it to rise and fall by means of a scissor-type lifting frame, thereby adjusting the height of the drilling mechanism, and facilitating drilling holes at positions at different heights; adjusting the angle of the drilling mechanism by means of an angle adjustment mechanism, and facilitating drilling holes at tunnel inner walls at different angles; and changing the direction of the drilling mechanism by means of a rotating support mechanism, and the reversing operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a front view of the blasting drilling device for tunnel blasting construction of the present invention;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the drilling mechanism and the angle adjustment mechanism of the present invention;

[0021] Figure 3 A bottom view of the drilling mechanism of the present invention;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotary support mechanism of the present invention.

[0023] Explanation of reference numerals: 1. Rotating support mechanism; 2. Moving wheel group; 3. Push rod; 4. Scissor lift; 5. Base frame; 6. Drilling mechanism; 7. Angle adjustment mechanism; 1-1. Frame; 1-2. Rotating motor; 1-3. Conversion box; 1-4. First rotating shaft; 1-5. Driving wheel; 1-6. Second rotating shaft; 1-7. Driven wheel; 1-8. Synchronous belt; 1-9. Tensioner; 1-10. Rotating plate; 5-1. Connector Plate; 6-1, mounting frame; 6-2, moving seat; 6-3, drilling motor; 6-4, drill rod; 6-5, slide; 6-6, first pulley; 6-7, second pulley; 6-8, third pulley; 6-9, fourth pulley; 6-10, first steel wire rope; 6-11, second steel wire rope; 6-12, second hydraulic cylinder; 6-13, limit seat; 6-14, moving frame; 7-1, first hydraulic cylinder; 7-2, support. DETAILED DESCRIPTION

[0024] like Figure 1-4 As shown, a blasting drilling device for tunnel blasting construction includes a rotating support mechanism 1, a moving wheel group 2 is installed below the rotating support mechanism 1, which is convenient for moving and transporting the device, a push rod 3 is connected to one side of the rotating support mechanism 1, and a scissor-type lifting frame 4 is installed on the top surface of the rotating support mechanism 1. The scissor-type lifting frame 4 is a prior art, and its specific structure is not repeated here. The top surface of the scissor-type lifting frame 4 is connected to a base frame 5, an angle adjustment mechanism 7 is installed above the base frame 5, and a drilling mechanism 6 is installed above the angle adjustment mechanism 7.

[0025] like Figure 2 As shown, the drilling mechanism 6 includes a mounting frame 6-1, which is mounted above the angle adjustment mechanism 7, a moving seat 6-2 is slidably connected to the top of the mounting frame 6-1, a drilling motor 6-3 is mounted on the top surface of the moving seat 6-2, a drill rod 6-4 is mounted on the output end of the drilling motor 6-3, and a driving component for driving the moving seat 6-2 to move is provided on the mounting frame 6-1; slide grooves 6-5 are installed on the front and rear sides of the mounting frame 6-1, and a slider matching the slide groove 6-5 is connected to the moving seat 6-2; a limit seat 6-13 is installed on the right end of the mounting frame 6-1, and a through hole for the drill rod 6-4 to pass through is opened on the limit seat 6-13.

[0026] Specifically, Figure 3As shown, the driving assembly includes a second hydraulic cylinder 6-12, which is installed below the mounting frame 6-1, and a movable frame 6-14 is connected to the piston rod of the second hydraulic cylinder 6-12. The third pulley 6-8 and the fourth pulley 6-9 are rotatably installed inside the movable frame 6-14, and the first pulley 6-6 and the second pulley 6-7 are rotatably installed at the left and right ends of the mounting frame 6-1, respectively. The left side of the movable seat 6-2 is connected to the first wire rope 6-10, and the first wire rope 6-10 is connected to the first wire rope 6-10. -10 passes around the first pulley 6-6 and is connected to the third pulley 6-8. The right side of the movable seat 6-2 is connected to the second steel wire rope 6-11. The second steel wire rope 6-11 passes around the second pulley 6-7 and is connected to the fourth pulley 6-9. The number of the first pulley 6-6, the second pulley 6-7, the third pulley 6-8 and the fourth pulley 6-9 are all set to two, which are arranged in parallel front and back. The number of the first steel wire rope 6-10 and the second steel wire rope 6-11 are also set to two, which are arranged in parallel front and back.

[0027] When drilling, the piston rod of the second hydraulic cylinder 6-12 contracts, driving the movable frame 6-14 to move to the left, the third pulley 6-8 and the fourth pulley 6-9 move to the left together, the second steel wire rope 6-11 pulls the movable seat 6-2 to move to the right, the drill rod 6-4 passes through the through hole on the limit seat 6-13, and the drilling motor 6-3 drives the drill rod 6-4 to rotate to drill the inner wall of the tunnel.

[0028] After the drilling is completed, the piston rod of the second hydraulic cylinder 6-12 extends, driving the movable frame 6-14 to move to the right, the third pulley 6-8 and the fourth pulley 6-9 move to the right together, and the first wire rope 6-10 pulls the movable seat 6-2 to move to the left.

[0029] Two connecting plates 5-1 are connected to the base frame 5, and the right end of the mounting frame 6-1 is hinged to the connecting plates 5-1. The angle adjustment mechanism 7 includes a first hydraulic cylinder 7-1, the number of which is set to two, and the two first hydraulic cylinders 7-1 are arranged in parallel front and back. The first hydraulic cylinder 7-1 is installed on the beam on the right side of the base frame 5, and the piston rod of the first hydraulic cylinder 7-1 is connected to the mounting frame 6-1. The top surface of the base frame 5 is also connected to a support member 7-2, and the support member 7-2 is in contact with the bottom surface of the mounting frame 6-1; specifically, the support member 7-2 can be a fixed height support rod or a telescopic rod.

[0030] When the mounting frame 6-1 is in a horizontal position, the bottom surface of the mounting frame 6-1 contacts the top surface of the support 7-2, and the drill rod 6-4 is in a horizontal position, so holes can be drilled on the vertical inner wall of the tunnel; when the first hydraulic cylinder 7-1 drives the mounting frame 6-1 to rotate around the hinge axis on the connecting plate 5-1, the angle of the drill rod 6-4 changes accordingly, so holes can be drilled on the inclined tunnel inner wall; when the drill rod 6-4 is rotated to a vertical position, holes can be drilled on a plane; by changing the angle of the mounting frame 6-1 through the first hydraulic cylinder 7-1, the angle of the drill rod 6-4 is adjusted, which is convenient for drilling holes on different tunnel inner walls. The operation is simple and convenient, and the adaptability is strong.

[0031] like Figure 4 As shown, the rotating support mechanism 1 includes a frame 1-1, a rotating motor 1-2 is installed inside the frame 1-1, the output end of the rotating motor 1-2 is connected to a conversion box 1-3, the output end of the conversion box 1-3 is connected to a first rotating shaft 1-4, a driving wheel 1-5 is installed on the first rotating shaft 1-4, a second rotating shaft 1-6 is rotatably installed on the frame 1-1, a driven wheel 1-7 is installed on the second rotating shaft 1-6, the driving wheel 1-5 and the driven wheel 1-7 are connected through a synchronous belt 1-8, a tensioning wheel 1-9 is installed inside the frame 1-1, the tensioning wheel 1-9 is in contact with the outer side of the synchronous belt 1-8, a rotating plate 1-10 is installed on the top of the second rotating shaft 1-6, and a scissor-type lifting frame 4 is connected to the top surface of the rotating plate 1-10; specifically, the conversion box 1-3 includes an outer shell, a worm is rotatably connected inside the outer shell, the worm is connected to the output shaft of the rotating motor 1-2, one side of the worm is meshingly connected with a worm wheel, and the worm wheel is installed at the bottom of the first rotating shaft 1-4.

[0032] During operation, the rotating motor 1-2 drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the first rotating shaft 1-4 to rotate, the driving wheel 1-5 rotates synchronously with the first rotating shaft 1-4, the driving wheel 1-5 drives the driven wheel 1-7 to rotate through the synchronous belt 1-8, drives the second rotating shaft 1-6 to rotate, thereby drives the rotating plate 1-10 to rotate, and then drives the mechanism above the rotating plate 1-10 to rotate, changes the direction of the drilling mechanism 6, and facilitates drilling of tunnels in other directions.

[0033] The working process of the present invention is as follows:

[0034] First, the scissor lift 4 is started and unfolded, and the height of the drilling mechanism 6 is adjusted. Then, the drilling motor 6-3 drives the drill rod 6-4 to rotate to drill holes at different heights of the inner wall of the tunnel.

[0035] The drilling angle is adjusted by the angle adjustment mechanism 7. When the first hydraulic cylinder 7-1 drives the mounting frame 6-1 to rotate around the hinge axis on the connecting plate 5-1, the angle of the drill rod 6-4 changes accordingly, so that the inner wall of the inclined tunnel can be drilled.

[0036] When it is necessary to drill a hole in the inner wall on the other side of the tunnel, the rotating motor 1-2 drives the first rotating shaft 1-4 and the driving wheel 1-5 to rotate through the conversion box 1-3, and the driving wheel 1-5 drives the driven wheel 1-7 to rotate through the synchronous belt 1-8, drives the second rotating shaft 1-6 to rotate, drives the rotating plate 1-10 to rotate and the mechanism above it to rotate, so as to facilitate drilling of tunnels in other directions.

[0037] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A blasting drilling device for tunnel blasting construction, characterized in that: It comprises a rotating support mechanism, a moving wheel set is arranged below the rotating support mechanism, a push rod is arranged on one side of the rotating support mechanism, a scissor-type lifting frame is arranged on the top surface of the rotating support mechanism, a base frame is arranged on the top surface of the scissor-type lifting frame, an angle adjustment mechanism is arranged above the base frame, and a drilling mechanism is arranged above the angle adjustment mechanism.

2. The blasting drilling device for tunnel blasting construction according to claim 1, characterized in that: The drilling mechanism includes a mounting frame, which is arranged above the angle adjustment mechanism. A moving seat is arranged above the mounting frame. A drilling motor is arranged on the top surface of the moving seat. A drill rod is arranged at the output end of the drilling motor. A driving component for driving the moving seat to move is arranged on the mounting frame.

3. The blasting drilling device for tunnel blasting construction according to claim 2, characterized in that: The driving assembly includes a second hydraulic cylinder, which is arranged below the mounting frame, a moving frame is arranged on the piston rod of the second hydraulic cylinder, a third pulley and a fourth pulley are arranged inside the moving frame, a first pulley and a second pulley are arranged at the left and right ends of the mounting frame respectively, a first steel wire rope is arranged on the left side of the moving seat, the first steel wire rope is wound around the third pulley after passing through the first pulley, and a second steel wire rope is arranged on the right side of the moving seat, the second steel wire rope is wound around the fourth pulley after passing through the second pulley.

4. The blasting drilling device for tunnel blasting construction according to claim 3, characterized in that: The front and rear sides of the mounting frame are provided with slide grooves, and the movable seat is provided with sliding blocks matching the slide grooves.

5. The blasting drilling device for tunnel blasting construction according to claim 2, characterized in that: A limit seat is arranged at the right end of the mounting frame, and a through hole is arranged on the limit seat for the drill rod to pass through.

6. The blasting drilling device for tunnel blasting construction according to claim 2, characterized in that: A connecting plate is arranged on the base frame, and the right end of the mounting frame is hinged to the connecting plate.

7. The blasting drilling device for tunnel blasting construction according to claim 1, characterized in that: The angle adjustment mechanism comprises a first hydraulic cylinder, which is arranged on the base frame, a piston rod of which is connected to the mounting frame, and a support member is further arranged on the top surface of the base frame, and the support member is in contact with the bottom surface of the mounting frame.

8. The blasting drilling device for tunnel blasting construction according to claim 7, characterized in that: The number of the first hydraulic cylinders is set to two, and the two first hydraulic cylinders are arranged in parallel front and back.

9. The blasting drilling device for tunnel blasting construction according to claim 1, characterized in that: The rotating support mechanism includes a frame, a rotating motor is arranged inside the frame, a conversion box is arranged at the output end of the rotating motor, a first rotating shaft is arranged at the output end of the conversion box, a driving wheel is arranged on the first rotating shaft, a second rotating shaft is arranged on the frame, a driven wheel is arranged on the second rotating shaft, the driving wheel and the driven wheel are connected by a synchronous belt transmission, a rotating plate is arranged on the top of the second rotating shaft, and the scissor-type lifting frame is arranged on the top surface of the rotating plate.

10. The blasting drilling device for tunnel blasting construction according to claim 9, characterized in that: The conversion box includes a shell, a worm is arranged inside the shell, the worm is connected to the output shaft of the rotary motor, one side of the worm is meshedly connected with a worm wheel, and the worm wheel is arranged at the bottom of the first rotating shaft.

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