Non-blasting vertical shaft tunneling rotary cutter

Abstract

The invention provides a blasting-free vertical shaft tunneling rotary cutter, and relates to the technical field of vertical shaft rotary cutters. The blasting-free vertical shaft tunneling rotary cutter comprises a positioning plate, a lifting mechanism is fixedly connected to the bottom of the positioning plate, a moving mechanism is arranged at the bottom of the lifting mechanism, two racks moving reversely are arranged in the moving mechanism, the bottoms of the racks are connected with incomplete gears in a meshed mode, and the incomplete gears are meshed with the inner side of the positioning plate. A rotary cutting machine body is fixedly connected to the bottom of the incomplete gear, a rotary conical tool bit is arranged at the bottom of the rotary cutting machine body, the rotary cutting machine further comprises a guide pipe arranged at the bottom of the moving mechanism, a cover is arranged at the bottom of the guide pipe, and a conveying pump fixedly connected to the upper surface of the positioning plate is connected to the upper end of the guide pipe. Reverse movement adjustment is conducted through the two racks, under the action of the incomplete gear, the rotary cutting machine body is driven to rotate so as to achieve direction adjustment, then the outer diameter of a drilled hole is increased, and the work progress is accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of shaft rotary cutting machines, in particular to a non-blasting shaft excavation rotary cutting machine. Background Art

[0002] Vertical shafts are the main passages for underground mining, ventilation of long and large tunnels and other underground projects. At present, the main methods for vertical shaft excavation are drilling and blasting, drilling and other methods. Vertical shaft construction equipment is the key to vertical shaft construction. Compared with the traditional drilling and blasting method and drilling method, the full-section vertical shaft boring machine integrates excavation, slag discharge and support, which is suitable for the fast and efficient construction of deep vertical shafts. However, a relatively mature set of non-blasting vertical shaft boring and rotary cutting machines has not yet been formed. In view of the performance requirements of full-section vertical shaft boring machines with strong geological adaptability and high degree of mechanization, relevant domestic enterprises and research institutions have conducted relevant research, especially a series of explorations on the cutter head structure and slag transportation methods. Although no great technological breakthroughs have been achieved, a solid theoretical foundation has been provided for the development of vertical shaft boring machines.

[0003] In the prior art, a Chinese patent discloses a "blasting-free shaft excavation rotary cutter" with an application number of 201911275335.3. The patent includes a fixed bracket, a fixed disc and a rotating cutting disc. The fixed disc is fixedly installed in the shaft through the fixed bracket. A transmission shaft is axially slidably and rotatably installed at the axis of the fixed disc. The transmission shaft is circumferentially fixed at the axis of the rotating cutting disc relative to one end of the fixed disc; a plurality of circumferentially distributed slag discharge grooves are radially provided on the rotating cutting disc, and the slag discharge grooves pass through the two side disc surfaces of the central cutter disc. The present invention performs vertical drilling through a rotating cutting disc similar to a shield machine cutter disc. Compared with the traditional blasting drilling method, it avoids serious damage to the soil and rock structure caused by blasting, improves the safety of construction operations, and is convenient for cleaning up the debris generated during construction, and avoids the negative impact of dust generated by blasting, manual rock drilling and drilling rigs on the environment and workers' health. However, during the use of the device, due to the limitations of the position of the conical cutter head, it is impossible to perform multi-directional drilling, and the drilling position needs to be adjusted multiple times, which affects the drilling process. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a non-blasting shaft excavation rotary cutter, which solves the problem that multi-directional drilling cannot be performed and the drilling position needs to be adjusted multiple times, which affects the drilling process.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a non-blasting shaft excavation rotary cutter, comprising a positioning plate, a lifting mechanism is fixedly connected to the bottom of the positioning plate, a moving mechanism is arranged at the bottom of the lifting mechanism, two racks moving in opposite directions are arranged inside the moving mechanism, an incomplete gear is meshed and connected to the bottom of the rack, a rotary cutter body is fixedly connected to the bottom of the incomplete gear, and a rotating conical cutter head is arranged at the bottom of the rotary cutter body;

[0006] It also includes a conduit arranged at the bottom of the moving mechanism, a cover body is arranged at the bottom of the conduit, and the upper end of the conduit is connected to a delivery pump fixedly connected to the upper surface of the positioning plate.

[0007] Preferably, the lifting mechanism includes a fixed column fixedly connected to the bottom of the positioning plate, a first motor is arranged on the upper side of the fixed column, the output end of the first motor passes through the interior of the fixed column and is fixedly connected to a lead screw, the outer wall of the lead screw is threadedly connected to a moving block that slides with the inner wall of the fixed column, the bottom of the moving block is fixedly connected to a hollow column, the bottom end of the hollow column slides through the outside of the fixed column and is fixedly connected to the moving mechanism.

[0008] Preferably, first sliding blocks are fixedly connected to both side outer walls of the moving block, a first sliding groove is provided on the inner wall of the fixed column, and the first sliding block is slidably connected to the first sliding groove.

[0009] Preferably, the moving mechanism includes a fixed frame fixedly connected to the bottom of the hollow column, a second motor is arranged inside the fixed frame, an output end of the second motor is fixedly connected to a bidirectional threaded rod, both side outer walls of the bidirectional threaded rod are threadedly connected to thread blocks, and the bottom of the thread block is fixedly connected to the rack.

[0010] Preferably, a second sliding block is fixedly connected to the upper end of the threaded block, a second sliding groove is provided on the upper inner wall of the fixed frame, and the second sliding block is slidably connected to the second sliding groove.

[0011] Preferably, a rotating shaft is fixedly connected to the middle of the incomplete gear, and both ends of the rotating shaft are rotatably connected to the inside of the moving mechanism.

[0012] Preferably, the rotary cutting machine includes a machine frame fixedly connected to the bottom of the incomplete gear, the upper inner wall of the machine frame is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a rotating rod, and the bottom end of the rotating rod is fixedly connected to the conical cutter head.

[0013] Preferably, the upper end of the conduit is connected to a delivery pump via a telescopic hose, and one end of the delivery pump is connected to a connecting pipe.

[0014] Preferably, support frames are fixedly connected to both sides of the upper surface of the moving mechanism, guide blocks are fixedly connected to the upper ends of the support frames, guide grooves are provided on both sides of the lifting mechanism, and the guide blocks are slidably connected to the guide grooves.

[0015] Preferably, positioning holes are provided at four corners of the upper surface of the positioning plate.

[0016] The present invention provides a non-blasting shaft excavation rotary cutting machine, which has the following beneficial effects:

[0017] 1. A lifting mechanism and a moving mechanism are provided. Under the action of the lifting mechanism, the first motor drives the lead screw to rotate, and then drives the moving block and the hollow column to move and adjust, so as to adjust the drilling depth. Secondly, under the action of the moving mechanism, the second motor drives the bidirectional threaded rod to rotate, and then drives the two threaded blocks and the rack to move and adjust towards each other. Under the action of the incomplete gear, the rotary cutting body is driven to rotate to achieve azimuth adjustment, thereby increasing the outer diameter of the drilled hole and speeding up the work process.

[0018] 2. By setting up conveying pumps, connecting pipes, ducts and covers, the debris generated during the excavation process can be cleaned and transported in a timely and effective manner, avoiding the impact of debris accumulation on the construction progress and reducing pollution to the environment.

[0019] In summary, the blasting-free shaft excavation rotary cutter of the present invention not only improves the efficiency and safety of construction, but also has significant advantages in environmental protection and equipment maintenance. It is a new type of excavation equipment with broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention from a first viewing angle;

[0021] Figure 2 It is a schematic diagram of the structure of the second viewing angle of the present invention;

[0022] Figure 3 It is an overall cross-sectional schematic diagram of the present invention;

[0023] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement at the center A;

[0024] Figure 5 For the present invention Figure 3 A schematic diagram of the structure enlarged at B in the middle;

[0025] Figure 6 It is a schematic cross-sectional view of the rotary cutting machine body of the present invention.

[0026] Among them, 1. positioning plate; 2. lifting mechanism; 3. moving mechanism; 4. rack; 5. incomplete gear; 6. rotating shaft; 7. peeling machine body; 8. conical cutter head; 9. catheter; 10. cover body; 11. delivery pump; 12. connecting pipe; 13. support frame; 14. guide block; 15. guide groove; 16. positioning hole;

[0027] 21. fixed column; 22. first motor; 23. lead screw; 24. moving block; 25. hollow column; 26. first slider; 27. first slide slot;

[0028] 31. fixed frame; 32. second motor; 33. bidirectional threaded rod; 34. threaded block; 35. second sliding block; 36. second sliding groove;

[0029] 71. Machine body frame; 72. Third motor; 73. Rotating rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1:

[0032] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an embodiment of the present invention provides a blasting-free shaft excavation rotary cutting machine, including a positioning plate 1, wherein positioning holes 16 are arranged at the four corners of the upper surface of the positioning plate 1, a lifting mechanism 2 is fixedly connected to the bottom of the positioning plate 1, a moving mechanism 3 is arranged at the bottom of the lifting mechanism 2, two racks 4 moving in opposite directions are arranged inside the moving mechanism 3, an incomplete gear 5 is meshingly connected to the bottom of the rack 4, a rotating shaft 6 is fixedly connected to the middle of the incomplete gear 5, both ends of the rotating shaft 6 are rotatably connected to the inside of the moving mechanism 3, a rotary cutting body 7 is fixedly connected to the bottom of the incomplete gear 5, and a rotating conical cutter head 8 is arranged at the bottom of the rotary cutting body 7.

[0033] In the above structure, the lifting mechanism 2 drives the moving mechanism 3 to adjust the height, and the moving mechanism 3 drives the two racks 4 inside it to move in the opposite direction. Under the action of the reverse movement of the two racks 4, the two peeling bodies 7 are synchronously driven to rotate, thereby realizing azimuth adjustment, thereby increasing the outer diameter of the drilled hole and speeding up the work progress.

[0034] It also includes a conduit 9 arranged at the bottom of the moving mechanism 3, a cover body 10 is arranged at the bottom of the conduit 9, and the upper end of the conduit 9 is connected to a delivery pump 11 fixedly connected to the upper surface of the positioning plate 1. Specifically, the upper end of the conduit 9 is connected to the delivery pump 11 through a telescopic hose, and one end of the delivery pump 11 is connected to a connecting pipe 12.

[0035] In the above structure, the delivery pump 11 is a bidirectional pump. When the shaft is excavated, the delivery pump 11 pumps the water source on the ground to the debris on the back of the conical cutter head 8 through the connecting pipe 12. On the one hand, the temperature of the conical cutter head 8 is reduced by injecting water, thereby extending the service life of the conical cutter head 8. On the other hand, it is beneficial to dilute the soil or stone powder and avoid dust. After the injected water is mixed with the debris into mud, the mud is transported out of the shaft in the reverse direction through the delivery pump 11, which is convenient for cleaning the debris in the shaft, thereby greatly improving the efficiency of cleaning the debris.

[0036] Embodiment 2:

[0037] Based on the first embodiment, Figure 5 Specifically, the lifting mechanism 2 includes a fixed column 21 fixedly connected to the bottom of the positioning plate 1, a first motor 22 is arranged on the upper side of the fixed column 21, the output end of the first motor 22 passes through the interior of the fixed column 21, and is fixedly connected with a lead screw 23, the outer wall of the lead screw 23 is threadedly connected with a moving block 24 that slides with the inner wall of the fixed column 21, and the outer walls of both sides of the moving block 24 are fixedly connected with first sliders 26, the inner wall of the fixed column 21 is provided with a first slide groove 27, the first slider 26 is slidably connected with the first slide groove 27, and plays a role of limiting the sliding of the moving block 24, and the bottom of the moving block 24 is fixedly connected with a hollow column 25, the bottom end of the hollow column 25 slides through the outside of the fixed column 21, and is fixedly connected to the moving mechanism 3.

[0038] The above structure, through the driving action of the first motor 22, drives the lead screw 23 to rotate, and then drives the moving block 24 and the hollow column 25 to move and adjust, thereby realizing the adjustment of the drilling depth.

[0039] The moving mechanism 3 includes a fixed frame 31 fixedly connected to the bottom of the hollow column 25, a second motor 32 is arranged inside the fixed frame 31, a bidirectional threaded rod 33 is fixedly connected to the output end of the second motor 32, both sides of the outer wall of the bidirectional threaded rod 33 are threadedly connected to the thread block 34, the upper end of the thread block 34 is fixedly connected to the second slider 35, the upper inner wall of the fixed frame 31 is provided with a second slide groove 36, the second slider 35 is slidably connected to the second slide groove 36, and plays a role of limiting the sliding of the thread block 34, and the bottom of the thread block 34 is fixedly connected to the rack 4.

[0040] The above structure, through the driving action of the second motor 32, drives the bidirectional threaded rod 33 to rotate, and then drives the two threaded blocks 34 and the rack 4 to move towards each other for adjustment. Under the action of the incomplete gear 5, it drives the rotary cutting body 7 to rotate to achieve azimuth adjustment, thereby increasing the outer diameter of the drilled hole and speeding up the work progress.

[0041] Embodiment three:

[0042] Based on the second embodiment, Figure 6 Specifically, the peeling machine body 7 includes a machine frame 71 fixedly connected to the bottom of the incomplete gear 5, the upper inner wall of the machine frame 71 is fixedly connected to a third motor 72, the output end of the third motor 72 is fixedly connected to a rotating rod 73, and the bottom end of the rotating rod 73 is fixedly connected to the conical cutter head 8.

[0043] The above structure, under the driving action of the third motor 72, can drive the rotating rod 73 and the conical cutter head 8 to rotate, thereby achieving the work of drilling the soil.

[0044] Support frames 13 are fixedly connected to both sides of the upper surface of the moving mechanism 3 , and guide blocks 14 are fixedly connected to the upper ends of the support frames 13 . Guide grooves 15 are provided on both sides of the lifting mechanism 2 , and the guide blocks 14 are slidably connected to the guide grooves 15 .

[0045] The above structure, under the connection effect of the support frame 13, can effectively improve the stability of the overall movement.

[0046] Working principle: Take Example 3 as an example:

[0047] The positioning plate 1 is fixed at a designated location through the positioning hole 16, and the switches of the first motor 22 and the second motor 32 are turned on. The first motor 22 drives the lead screw 23 to rotate, and then drives the moving block 24 and the hollow column 25 to move and adjust, so as to adjust the drilling depth. The second motor 32 drives the bidirectional threaded rod 33 to rotate, and then drives the two threaded blocks 34 and the rack 4 to move and adjust toward each other. Under the action of the incomplete gear 5, the rotary cutting body 7 is driven to rotate to achieve azimuth adjustment, so as to increase the outer diameter of the drilled hole and speed up the work process.

[0048] During the drilling process, the delivery pump 11 pumps the water source on the ground to the debris on the back of the conical cutter head 8 through the connecting pipe 12. On the one hand, the temperature of the conical cutter head 8 is reduced by injecting water, thereby extending the service life of the conical cutter head 8. On the other hand, it is beneficial to dilute the soil or stone powder and avoid dust. After the injected water is mixed with the debris into mud, the mud is transported out of the shaft in the reverse direction through the delivery pump 11, which is convenient for cleaning the debris in the shaft, thereby greatly improving the efficiency of cleaning the debris.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-blasting shaft excavation rotary cutting machine, characterized in that: The invention comprises a positioning plate (1), the bottom of the positioning plate (1) is fixedly connected to a lifting mechanism (2), the bottom of the lifting mechanism (2) is provided with a moving mechanism (3), the interior of the moving mechanism (3) is provided with two racks (4) that move in opposite directions, the bottom of the racks (4) is meshingly connected to an incomplete gear (5), the bottom of the incomplete gear (5) is fixedly connected to a peeling machine body (7), and the bottom of the peeling machine body (7) is provided with a rotating conical cutter head (8); It also includes a conduit (9) arranged at the bottom of the moving mechanism (3), a cover (10) being arranged at the bottom of the conduit (9), and a delivery pump (11) being fixedly connected to the upper surface of the positioning plate (1) at the upper end of the conduit (9).

2. The non-blasting shaft boring and rotary cutting machine according to claim 1, characterized in that: The lifting mechanism (2) comprises a fixed column (21) fixedly connected to the bottom of the positioning plate (1); a first motor (22) is arranged on the upper side of the fixed column (21); an output end of the first motor (22) penetrates into the interior of the fixed column (21) and is fixedly connected to a lead screw (23); an outer wall of the lead screw (23) is threadedly connected to a moving block (24) that slides with the inner wall of the fixed column (21); a hollow column (25) is fixedly connected to the bottom of the moving block (24); a bottom end of the hollow column (25) slides through the outside of the fixed column (21) and is fixedly connected to the moving mechanism (3).

3. The non-blasting shaft boring and rotary cutting machine according to claim 2, characterized in that: The outer walls on both sides of the moving block (24) are fixedly connected with first sliding blocks (26), the inner wall of the fixed column (21) is provided with a first sliding groove (27), and the first sliding block (26) is slidably connected with the first sliding groove (27).

4. The non-blasting shaft boring and rotary cutting machine according to claim 2, characterized in that: The moving mechanism (3) comprises a fixed frame (31) fixedly connected to the bottom of the hollow column (25); a second motor (32) is arranged inside the fixed frame (31); a bidirectional threaded rod (33) is fixedly connected to the output end of the second motor (32); both side outer walls of the bidirectional threaded rod (33) are threadedly connected to thread blocks (34); and the bottom of the thread block (34) is fixedly connected to the rack (4).

5. The non-blasting shaft boring and rotary cutting machine according to claim 4, characterized in that: A second sliding block (35) is fixedly connected to the upper end of the threaded block (34), a second sliding groove (36) is provided on the upper inner wall of the fixed frame (31), and the second sliding block (35) is slidably connected to the second sliding groove (36).

6. The non-blasting shaft boring and rotary cutting machine according to claim 1, characterized in that: The middle part of the incomplete gear (5) is fixedly connected to a rotating shaft (6), and both ends of the rotating shaft (6) are rotatably connected to the inside of the moving mechanism (3).

7. The non-blasting shaft boring and rotary cutting machine according to claim 1, characterized in that: The rotary cutting machine body (7) comprises a machine frame (71) fixedly connected to the bottom of the incomplete gear (5); a third motor (72) is fixedly connected to the upper inner wall of the machine frame (71); a rotating rod (73) is fixedly connected to the output end of the third motor (72); and the bottom end of the rotating rod (73) is fixedly connected to the conical cutter head (8).

8. The non-blasting shaft boring and rotary cutting machine according to claim 1, characterized in that: The upper end of the conduit (9) is connected to a delivery pump (11) via a telescopic hose, and one end of the delivery pump (11) is connected to a connecting pipe (12).

9. The non-blasting vertical shaft excavation rotary cutting machine according to claim 1, characterized in that: Support frames (13) are fixedly connected to both sides of the upper surface of the moving mechanism (3), and guide blocks (14) are fixedly connected to the upper ends of the support frames (13). Guide grooves (15) are provided on both sides of the lifting mechanism (2), and the guide blocks (14) are slidably connected to the guide grooves (15).

10. The non-blasting shaft boring and rotary cutting machine according to claim 1, characterized in that: Positioning holes (16) are provided at four corners of the upper surface of the positioning plate (1).

Images