Rotary drilling machine for constructional engineering

Abstract

The utility model discloses a rotary drilling machine for constructional engineering, which relates to the technical field of constructional engineering and comprises a base and a drill bit, crawler wheels are fixedly mounted at the bottom of the base, a rotary drilling machine body is fixedly mounted at the top of the base, and a mechanical arm is fixedly mounted on the left portion of the top end of the base. And a transmission assembly is rotationally installed on the left portion of the mechanical arm and comprises a rectangular frame, a first motor is fixedly installed at the top end of the rectangular frame, the output end of the first motor extends to the top of the interior of the rectangular frame, and the output end of the first motor is fixedly connected with a threaded rod. According to the rotary drilling machine for constructional engineering, the gravity center of the rotary drilling machine body can be stabilized in an auxiliary mode under the action of the balance weight structure, meanwhile, the gravity center of the rotary drilling machine body can be adjusted in real time when the transmission assembly is adjusted and the working state of the drill rod and the drill bit is adjusted, and therefore the rotary drilling machine body is more stable, and the working state is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a rotary drilling machine for construction engineering. Background Art

[0002] A rotary drilling rig, also known as a rotary drilling rig or a pile driver, is a comprehensive drilling rig that can be used on a variety of substrates and has the characteristics of fast hole-making speed, less pollution, and strong maneuverability. A rotary drilling rig uses a multi-layer telescopic drill rod, which reduces drilling assistance time, reduces labor intensity, does not require mud circulation and slag removal, and saves costs. It is particularly suitable for foundation construction in construction projects.

[0003] For example, a Chinese patent with publication number CN215369673U discloses a rotary drilling machine for construction engineering, which belongs to the field of construction engineering technology. It includes a rotary drilling machine body, a mounting frame, a workbench and a lifting rod. The mounting frame is provided with a lifting assembly for driving the workbench to move along the mounting frame, and the end of the lifting rod away from the workbench is provided with a rotary drilling assembly. The rotary drilling assembly includes a soil collecting barrel fixedly connected to the lifting rod, a drill bit rotatably installed on the soil collecting barrel, and a soil guide groove for communicating with the soil collecting barrel is provided on the drill bit. A discharge assembly is provided in the soil collecting barrel, and the discharge assembly includes a push plate and a push member for moving the push plate along the soil collecting barrel. A connecting rod is fixedly connected between the push plate and the drill bit, and a driving assembly for driving the push plate to rotate is provided in the soil collecting barrel. The present application has the effect of conveniently discharging soil in the soil collecting barrel.

[0004] The existing technology has the following problems:

[0005] In actual use, due to the heavy weight of the transmission assembly, the center of gravity of the rotary drilling rig body will be unstable when the position of the transmission assembly is adjusted by the mechanical arm, and during the rotary drilling process of the drill rod and drill bit, which may cause a certain amount of shaking, making it impossible to maintain a vertical rotary drilling angle, thereby seriously affecting the quality of the construction project. At the same time, the unstable center of gravity may cause the main body of the rotary drilling rig to tip over, thereby seriously threatening the personal safety of the construction workers and causing serious property damage. Utility Model Content

[0006] The utility model provides a rotary drilling machine for construction engineering to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A rotary drilling machine for construction engineering comprises a base and a drill bit, wherein a crawler wheel is fixedly installed at the bottom of the base, a rotary drilling machine body is fixedly installed at the top of the base, a mechanical arm is fixedly installed at the left part of the top end of the base, and a transmission assembly is rotatably installed at the left part of the mechanical arm, and the transmission assembly comprises a rectangular frame, a first motor is fixedly installed at the top of the rectangular frame, an output end of the first motor extends to the top inside the rectangular frame, a threaded rod is fixedly connected to the output end of the first motor, the bottom end of the threaded rod is rotatably connected to the bottom end inside the rectangular frame, a bracket is threadedly connected to the outer wall of the threaded rod, a second motor is fixedly installed on the top of the bracket, a drill rod is fixedly connected to the bottom end of the bracket, a transmission rod is rotatably connected to the inside of the drill rod, and the axis center of the top end of the transmission rod is fixedly connected to the output end of the second motor, a counterweight structure is fixedly installed at the front and rear parts of the base, and a disassembly structure is fixedly installed between the opposite surfaces of the drill bit and the transmission rod.

[0009] Preferably, the counterweight structure includes two counterweight frames and two placement frames, the two counterweight frames are fixedly connected to the front and rear sides of the right part of the base, the front and rear placement frames are respectively located inside the front and rear counterweight frames, and the bottoms of the two placement frames are rotatably connected to a plurality of circular rollers, and the bottoms of the outer walls of the circular rollers overlap with the bottom ends of the inside of the counterweight frames.

[0010] Preferably, a plurality of counterweight blocks are inserted into the interior of the two placement frames, and the left and right parts of the counterweight blocks are fixedly connected with lifting ears.

[0011] Preferably, the right ends of the two placement frames are fixedly connected with traction ropes, and the rear ends of the two traction ropes extend to the rear of the base, and the middle part of the rear of the base is rotatably connected with a winding roller, and the front and rear parts of the outer wall of the winding roller are respectively fixedly connected to the opposite ends of the front and rear traction ropes, and the front and rear parts of the rear of the base are fixedly connected with movable pulleys, and the outer walls of the front and rear movable pulleys are respectively overlapped with the outer walls of the front and rear traction ropes, and a mounting frame is fixedly connected to the lower position of the middle part of the rear of the base, and a third motor is fixedly installed on the left side of the right part of the mounting frame, and the output end of the third motor is fixedly connected to the axis center of the right end of the winding roller.

[0012] Preferably, the left ends of the two counterweight frames are fixedly connected to a step plate, the opposite surfaces of the front and rear step plates are fixedly connected to the front and rear sides of the base, the left sides of the inside of the two counterweight frames are fixedly connected to a round rod, the front and rear round rods respectively penetrate the left and right sides of the front and rear counterweight frames, the left ends of the front and rear round rods respectively extend to the inside of the front and rear step plates, the outer walls of the front and rear round rods are movably sleeved with springs at one end close to the step plates, the left ends of the front and rear springs are respectively fixedly connected to the left sides of the inside of the front and rear step plates, and the right ends of the front and rear springs are respectively fixedly connected to the left sides of the front and rear counterweight frames.

[0013] Preferably, the disassembly structure includes a fixed block, which is fixedly connected to the axis of the top of the drill bit, the four corners of the top of the fixed block are fixedly connected to the first elastic telescopic rod, the output end of the first elastic telescopic rod is fixedly connected to the positioning block, the bottom end of the transmission rod is fixedly connected to the fixed frame, the interior of the fixed frame is clamped with the outer wall of the fixed block, and the four corners of the top of the fixed frame are provided with positioning holes that penetrate the fixed frame, and the inner walls of the positioning holes are plugged into the outer wall of the positioning block.

[0014] Preferably, the outer wall of the transmission rod is slidably connected with a pressure plate, and the four corners of the bottom end of the pressure plate are fixedly connected with pressing blocks, and the four pressing blocks are respectively located directly above the four positioning blocks.

[0015] Preferably, the left and right parts of the top of the fixed frame are fixedly connected with second elastic telescopic rods, and the output ends of the two second elastic telescopic rods are fixedly connected with the left and right parts of the bottom end of the pressing plate respectively.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] The utility model provides a rotary drilling machine for construction engineering. The counterweight structure can assist in stabilizing the center of gravity of the rotary drilling machine body. At the same time, the center of gravity of the rotary drilling machine body can be adjusted in real time when the transmission component is adjusted and the drill rod and the drill bit are in working state, thereby making the rotary drilling machine body more stable and the working state safer.

[0018] The utility model provides a rotary drilling machine for construction engineering. The drill bit can be disassembled through the disassembly structure, so that it is convenient to replace the drill bits of different sizes according to different rotary drilling needs, thereby improving the versatility and practicality of the rotary drilling machine. At the same time, it can make the disassembly and assembly process more convenient and simple, save disassembly and assembly time, and improve engineering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the transmission assembly structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the counterweight frame structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the spring structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the lifting lug structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the fixed block structure of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the clamping block of the utility model;

[0026] Figure 8 It is a schematic diagram of the pressing plate structure of the utility model.

[0027] In the figure: 1, base; 2, rotary drilling rig body; 3, mechanical arm; 4, transmission assembly; 41, rectangular frame; 42, first motor; 43, threaded rod; 44, bracket; 45, second motor; 46, drill rod; 47, transmission rod; 5, drill bit; 6, track wheel; 7, counterweight structure; 71, counterweight frame; 72, step plate; 73, placement frame; 74, round roller; 75, counterweight block; 76, traction rope; 77, movable pulley; 78, winding roller; 79, mounting frame; 710, third motor; 711, round rod; 712, spring; 713, lifting ear; 8, disassembly structure; 81, fixed block; 82, first elastic telescopic rod; 83, positioning block; 84, fixed frame; 85, positioning hole; 86, second elastic telescopic rod; 87, pressure plate; 88, pressing block. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0029] like Figure 1 and Figure 2 As shown, a rotary drilling machine for construction engineering comprises a base 1 and a drill bit 5, a crawler wheel 6 is fixedly installed at the bottom of the base 1, a rotary drilling machine body 2 is fixedly installed at the top of the base 1, a mechanical arm 3 is fixedly installed at the left part of the top of the base 1, a transmission assembly 4 is rotatably installed on the left part of the mechanical arm 3, the transmission assembly 4 comprises a rectangular frame 41, a first motor 42 is fixedly installed at the top of the rectangular frame 41, an output end of the first motor 42 extends to the top of the inside of the rectangular frame 41, a threaded rod 43 is fixedly connected to the output end of the first motor 42, the bottom end of the threaded rod 43 is rotatably connected to the bottom end of the inside of the rectangular frame 41, a bracket 44 is threadedly connected to the outer wall of the threaded rod 43, a second motor 45 is fixedly installed at the top of the bracket 44, a drill rod 46 is fixedly connected to the bottom end of the bracket 44, a transmission rod 47 is rotatably connected to the inside of the drill rod 46, and the axis of the top of the transmission rod 47 is fixedly connected to the output end of the second motor 45, a counterweight structure 7 is fixedly installed at the front and rear parts of the base 1, and a disassembly structure 8 is fixedly installed between the opposite surfaces of the drill bit 5 and the transmission rod 47.

[0030] By providing the counterweight structure 7, the center of gravity of the rotary drilling rig body 2 can be adjusted according to the position and working state of the transmission assembly 4, thereby making the rotary drilling rig body 2 more stable.

[0031] like Figure 3 and Figure 4 As shown, the counterweight structure 7 includes two counterweight frames 71 and two placement frames 73. The two counterweight frames 71 are fixedly connected to the front and rear sides of the right part of the base 1 respectively. The front and rear placement frames 73 are respectively located inside the front and rear counterweight frames 71. The bottoms of the two placement frames 73 are rotatably connected to a plurality of round rollers 74. The bottoms of the outer walls of the round rollers 74 overlap with the bottom ends of the inside of the counterweight frames 71.

[0032] By providing the round roller 74 , the placement frame 73 can slide, thereby facilitating the position adjustment of the counterweight block 75 .

[0033] As 2 and Figure 5 As shown, a plurality of counterweight blocks 75 are inserted into the interior of the two placement frames 73 , and the left and right parts of the counterweight blocks 75 are fixedly connected with hanging ears 713 .

[0034] By providing the counterweight block 75, the gravity of the rotary drilling rig body 2 at a certain position can be increased, thereby achieving the effect of adjusting the position of its center of gravity.

[0035] like Figure 3 As shown, the right ends of the two placement frames 73 are fixedly connected with traction ropes 76, and the rear ends of the two traction ropes 76 extend to the rear of the base 1. The middle part of the rear of the base 1 is rotatably connected with a winding roller 78, and the front and rear parts of the outer wall of the winding roller 78 are respectively fixedly connected to the opposite ends of the front and rear traction ropes 76, and the front and rear parts of the rear of the base 1 are fixedly connected with movable pulleys 77, and the outer walls of the front and rear movable pulleys 77 are respectively overlapped with the outer walls of the front and rear traction ropes 76, and a mounting frame 79 is fixedly connected at the lower position of the middle part of the rear of the base 1, and a third motor 710 is fixedly installed on the left side of the right part of the mounting frame 79, and the output end of the third motor 710 is fixedly connected to the axis center of the right end of the winding roller 78.

[0036] By providing the traction rope 76 , the placement frame 73 can be pulled under the cooperation of the third motor 710 and the winding roller 78 .

[0037] like Figure 3 and Figure 4As shown, the left ends of the two counterweight frames 71 are fixedly connected with a step plate 72, the opposite surfaces of the front and rear step plates 72 are fixedly connected to the front and rear sides of the base 1, and the left sides of the inside of the two counterweight frames 71 are fixedly connected with a round rod 711, the front and rear round rods 711 respectively penetrate the left and right sides of the front and rear counterweight frames 71, and the left ends of the front and rear round rods 711 extend to the inside of the front and rear step plates 72 respectively, and the outer walls of the front and rear round rods 711 are movably sleeved with springs 712 at one end close to the step plate 72, the left ends of the front and rear springs 712 are respectively fixedly connected to the left sides of the inside of the front and rear step plates 72, and the right ends of the front and rear springs 712 are respectively fixedly connected to the left sides of the front and rear counterweight frames 71.

[0038] By providing the spring 712 , the placing frame 73 can be driven to reset when the transmission assembly 4 rotates to above the rotary drilling machine body 2 .

[0039] like Figure 6-8 As shown, the disassembly structure 8 includes a fixed block 81, which is fixedly connected to the axis of the top of the drill bit 5, and the four corners of the top of the fixed block 81 are fixedly connected to the first elastic telescopic rod 82, and the output end of the first elastic telescopic rod 82 is fixedly connected to the positioning block 83, and the bottom end of the transmission rod 47 is fixedly connected to the fixed frame 84, the interior of the fixed frame 84 is clamped with the outer wall of the fixed block 81, and the four corners of the top of the fixed frame 84 are provided with positioning holes 85 that penetrate the fixed frame 84, and the inner wall of the positioning hole 85 is plugged into the outer wall of the positioning block 83.

[0040] By providing the locking block 83 and the locking hole 85 and utilizing the plug-in effect of the two, the fixing block 81 and the fixing frame 84 can be fixed, thereby fixing the drill bit 5.

[0041] like Figure 8 As shown, a pressure plate 87 is slidably connected to the outer wall of the transmission rod 47 , and four corners of the bottom end of the pressure plate 87 are fixedly connected to pressing blocks 88 , and the four pressing blocks 88 are respectively located directly above the four locking blocks 83 .

[0042] By providing the pressing plate 87 and the pressing block 88 , by pressing down the pressing plate 87 , the pressing block 88 can be driven to press down the positioning block 83 , thereby facilitating the removal of the fixing block 81 .

[0043] like Figure 8 As shown, the left and right parts of the top of the fixed frame 84 are fixedly connected to the second elastic telescopic rods 86, and the output ends of the two second elastic telescopic rods 86 are fixedly connected to the left and right parts of the bottom end of the pressing plate 87 respectively.

[0044] By providing the second elastic telescopic rod 86 , the pressing plate 87 can be limited, thereby facilitating the pressing block 88 to align with the positioning block 83 , and preventing the pressing block 88 from squeezing the positioning block 83 in a normal state.

[0045] The working principle of the utility model is as follows: when in use, the position of the transmission assembly 4 is first adjusted by the mechanical arm 3 to keep the rectangular frame 41 perpendicular to the ground, and then the first motor 42 is started to adjust the position of the bracket 44, and then the second motor 45 is started to drive the transmission rod 47 to rotate, and then the drill bit 5 is driven to rotate, and then the rotary drilling operation is realized. Before adjusting the mechanical arm 3, the lifting ear 713 is used to insert an appropriate amount of counterweight block 75 into the placement frame 73, and when the mechanical arm 3 adjusts the position of the transmission assembly 4, the third motor 710 is started to drive the traction rod 47 to rotate, and then the second motor 45 is started to drive the traction rod 47 to rotate, and then the drill bit 5 is driven to rotate, and then the rotary drilling operation is realized. The guide rope 76 is wound up, and then with the cooperation of the round roller 74, the placement frame 73 is driven to slide to the right, forming a gravity balance with the transmission component 4, thereby maintaining the center of gravity balance of the rotary drilling rig body 2, and the placement frame 73 can be reset under the action of the spring 712. When the drill bit 5 needs to be replaced, the pressure plate 87 is pressed downward, thereby driving the four pressing blocks 88 to squeeze the positioning block 83 downward. When the positioning block 83 is completely out of the positioning hole 85, the fixing block 81 can be taken out of the fixing frame 84, and then the drill bit 5 can be taken out.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary drilling machine for construction engineering, comprising a base (1) and a drill bit (5), characterized in that: A crawler wheel (6) is fixedly mounted on the bottom of the base (1), a rotary drilling machine body (2) is fixedly mounted on the top of the base (1), a mechanical arm (3) is fixedly mounted on the left portion of the top of the base (1), a transmission assembly (4) is rotatably mounted on the left portion of the mechanical arm (3), the transmission assembly (4) comprising a rectangular frame (41), a first motor (42) is fixedly mounted on the top of the rectangular frame (41), an output end of the first motor (42) extends to the top of the rectangular frame (41), a threaded rod (43) is fixedly connected to the output end of the first motor (42), and the threaded rod (43) is The bottom end is rotatably connected to the bottom end inside the rectangular frame (41); the outer wall of the threaded rod (43) is threadedly connected to a bracket (44); a second motor (45) is fixedly installed on the top of the bracket (44); a drill rod (46) is fixedly connected to the bottom end of the bracket (44); a transmission rod (47) is rotatably connected inside the drill rod (46); the axis of the top end of the transmission rod (47) is fixedly connected to the output end of the second motor (45); a counterweight structure (7) is fixedly installed on the front and rear parts of the base (1); and a disassembly structure (8) is fixedly installed between the opposing surfaces of the drill bit (5) and the transmission rod (47).

2. A rotary drilling machine for construction engineering according to claim 1, characterized in that: The counterweight structure (7) comprises two counterweight frames (71) and two placement frames (73). The two counterweight frames (71) are respectively fixedly connected to the front and rear sides of the right part of the base (1). The front and rear placement frames (73) are respectively located inside the front and rear counterweight frames (71). The bottoms of the two placement frames (73) are rotatably connected to a plurality of round rollers (74). The bottoms of the outer walls of the round rollers (74) overlap the bottom ends of the counterweight frames (71).

3. A rotary drilling machine for construction engineering according to claim 2, characterized in that: A plurality of counterweight blocks (75) are inserted into the interior of the two placement frames (73), and the left and right parts of the counterweight blocks (75) are fixedly connected with lifting ears (713).

4. A rotary drilling machine for construction engineering according to claim 3, characterized in that: The right ends of the two placement frames (73) are fixedly connected to traction ropes (76), and the rear ends of the two traction ropes (76) extend to the rear of the base (1). A winding roller (78) is rotatably connected to the middle of the rear of the base (1). The front and rear parts of the outer wall of the winding roller (78) are respectively fixedly connected to the opposite ends of the front and rear traction ropes (76). The front and rear parts of the rear of the base (1) are fixedly connected to movable pulleys (77), and the outer walls of the front and rear movable pulleys (77) are respectively overlapped with the outer walls of the front and rear traction ropes (76). A mounting frame (79) is fixedly connected to the lower position of the middle of the rear of the base (1), and a third motor (710) is fixedly installed on the left side of the right part of the mounting frame (79), and the output end of the third motor (710) is fixedly connected to the axis of the right end of the winding roller (78).

5. A rotary drilling machine for construction engineering according to claim 3, characterized in that: The left ends of the two counterweight frames (71) are fixedly connected to a step plate (72), the opposite surfaces of the front and rear step plates (72) are fixedly connected to the front and rear sides of the base (1), the left sides of the interiors of the two counterweight frames (71) are fixedly connected to a round rod (711), the front and rear round rods (711) respectively penetrate the left and right sides of the front and rear counterweight frames (71), the left ends of the front and rear round rods (711) respectively extend to the interiors of the front and rear step plates (72), the outer walls of the front and rear round rods (711) are movably sleeved at one end close to the step plates (72), the left ends of the front and rear springs (712) are respectively fixedly connected to the left sides of the interiors of the front and rear step plates (72), and the right ends of the front and rear springs (712) are respectively fixedly connected to the left sides of the front and rear counterweight frames (71).

6. A rotary drilling machine for construction engineering according to claim 1, characterized in that: The disassembly structure (8) comprises a fixed block (81), the fixed block (81) being fixedly connected to the axis of the top end of the drill bit (5), the four corners of the top of the fixed block (81) being fixedly connected to a first elastic telescopic rod (82), the output end of the first elastic telescopic rod (82) being fixedly connected to a positioning block (83), the bottom end of the transmission rod (47) being fixedly connected to a fixed frame (84), the interior of the fixed frame (84) being clamped with the outer wall of the fixed block (81), the four corners of the top of the fixed frame (84) being provided with positioning holes (85) penetrating the fixed frame (84), the inner walls of the positioning holes (85) being plugged with the outer wall of the positioning block (83).

7. A rotary drilling machine for construction engineering according to claim 6, characterized in that: The outer wall of the transmission rod (47) is slidably connected to a pressure plate (87), and four corners of the bottom end of the pressure plate (87) are fixedly connected to pressing blocks (88), and the four pressing blocks (88) are respectively located directly above the four positioning blocks (83).

8. A rotary drilling machine for construction engineering according to claim 7, characterized in that: The left and right parts of the top of the fixed frame (84) are both fixedly connected to second elastic telescopic rods (86), and the output ends of the two second elastic telescopic rods (86) are respectively fixedly connected to the left and right parts of the bottom of the pressing plate (87).

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