Power drill bit direction adjusting device of full-hydraulic underground drill rig

Abstract

The utility model relates to the technical field of full-hydraulic underground drill rigs, in particular to a power drill bit direction adjusting device of a full-hydraulic underground drill rig, which comprises a driving frame, a positioning ring is arranged on the side wall of the driving frame and close to the center, and a hydraulic gyrator is arranged on the left side of the driving frame and located on the outer side of the positioning ring. A connecting arm is arranged on the left side of the hydraulic gyrator, the tail end of the connecting arm is connected with an adjusting frame, an adjusting mechanism is arranged below the adjusting frame, an adjusting assembly is arranged between the hydraulic gyrator and the adjusting frame and comprises a driving rod, a transmission rod and a movable rod, the movable rod is arranged on the inner side of the adjusting frame, and the driving rod is connected with the driving rod. And a movable mechanism is arranged between the adjusting frame and the movable rod. The hydraulic gyrator and the adjusting mechanism are matched with each other, so that the angle of the movable rod can be freely adjusted by the adjusting frame, and high transmission efficiency is achieved after adjustment, so that continuous drilling operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to full hydraulic tunnel drilling rig technical field, concretely is a kind of power drill direction adjusting device of full hydraulic tunnel drilling rig. BACKGROUND

[0002] Tunnel drilling rig is a kind of mechanical equipment used in underground mining, tunnel excavation, geological exploration and other engineering, and the conventional drilling rig needs to adjust the entire drilling rig when adjusting the drilling direction of power drill device, and the adjustment process is limited by the space inside the tunnel, resulting in inconvenient adjustment.

[0003] In the prior art, the patent with the announcement number CN212671576U, a kind of power drill direction adjusting device of full hydraulic tunnel drilling rig, has adopted the scheme of "including hydraulic rotary reducer, overturning fixed seat, connecting support, overturning connecting plate.The hydraulic rotary reducer can meet the demand of power drill device to larger driving force, the overturning connecting plate is hinged on connecting support by two connecting pins, realize that overturning connecting plate is arbitrarily overturned with connecting pin as center, and the position of overturning connecting plate is fixed by fixed connecting pin", which is used to adjust the left and right two feeding directions of power drill during coal drilling process, to realize the drilling needs of left and right two directions under the condition that the direction of drilling rig whole machine does not change, improve work efficiency.

[0004] However, the above scheme still has some deficiencies, for example, the above scheme can only adjust the drill bit direction in left and right two directions, the angle range of adjustment is relatively limited, which is not conducive to continuous operation of drill bit, in addition, in the adjustment process, the transmission effect of power drill bit will be affected, the drill bit transmission efficiency is reduced, and then the drilling effect is affected, in view of this, the utility model provides a kind of power drill direction adjusting device of full hydraulic tunnel drilling rig. SUMMARY

[0005] The utility model aims at providing a kind of power drill direction adjusting device of full hydraulic tunnel drilling rig, has the advantages of angle adjustment flexible, and transmission efficiency is higher, to solve the angle range of adjustment is relatively limited in the above background art, and the transmission effect of power drill bit will be affected.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a power bit direction adjusting device of full hydraulic tunnel drilling machine, including drive frame, and the side wall of drive frame is close to the center and is provided with the positioning ring, and the left side of drive frame is located the outside of positioning ring and is equipped with hydraulic rotary distributor, and the left side of hydraulic rotary distributor is welded fixed with the connecting arm of symmetry distribution, and the tail end of connecting arm is connected with the adjusting frame, and the lower side of adjusting frame is equipped with the adjusting mechanism connected with hydraulic rotary distributor, and the adjusting assembly is arranged between hydraulic rotary distributor and adjusting frame, and adjusting assembly includes drive rod, transmission rod and movable rod, and movable rod is arranged in the inside of adjusting frame, and the movable mechanism is arranged between adjusting frame and movable rod.

[0008] As a preferred technical scheme, the tail end of the connecting arm is provided with an integrally formed fixing disc, the two sides of the adjusting frame are welded with movable discs, the movable discs are rotatably connected with the fixing disc, the movable discs are provided with a plurality of ring array distributed insertion holes, the side wall of the fixing disc is provided with an electric bolt, the insertion rod of the electric bolt penetrates the fixing disc and is inserted into the insertion hole.

[0009] As a preferred technical scheme, the adjusting mechanism includes an adjusting rod welded to the bottom of the adjusting frame, a hydraulic cylinder is arranged on the right side of the adjusting rod, the piston rod of the hydraulic cylinder is rotatably connected with the adjusting rod, a connecting block is welded to the right side of the hydraulic rotary distributor, and the cylinder body of the hydraulic cylinder is rotatably connected with the connecting block.

[0010] As a preferred technical scheme, the inside of the positioning ring is provided with a first bearing, the drive rod is arranged on the inside of the positioning ring and is fixedly connected with the inner ring of the first bearing, and the right end of the drive rod is provided with a drill rod connecting portion.

[0011] As a preferred technical scheme, the transmission rod is arranged between the drive rod and the movable rod, universal joint joints are arranged at the two ends of the transmission rod, and the two ends of the transmission rod are connected with the drive rod and the movable rod through the universal joint joints.

[0012] As a preferred technical scheme, the movable mechanism includes a movable sleeve, the movable sleeve is sleeved on the outside of the movable rod and is rotatably connected with the adjusting frame, a plurality of first grooves are arranged in the annular array on the outer wall of the movable rod, a plurality of second grooves corresponding to the first grooves are arranged on the inner wall of the movable sleeve, and a plurality of uniformly distributed balls are embedded on the inner side of the second grooves.

[0013] As a preferred technical scheme, the inside of the adjusting frame is provided with a second bearing, the outer wall of the movable sleeve is fixedly connected with the inner ring of the second bearing, and a drill bit connecting portion is arranged at the left end of the movable rod.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. This utility model is equipped with a hydraulic rotary device, an adjusting frame, and an adjusting mechanism. Through the cooperation of the hydraulic rotary device and the adjusting mechanism, the angle of the movable rod can be freely adjusted by the adjusting frame, thereby realizing the free adjustment of the direction of the power drill bit. This facilitates the rapid adjustment of the drill bit direction in the space inside the tunnel, so as to facilitate continuous drilling operations.

[0016] 2. This utility model uses a drive rod, a transmission rod, and a movable rod to work together for transmission. The movable rod is also connected to the movable rod by a movable mechanism, which allows for high flexibility. This enables adaptive adjustment of the distance between the drive rod and the movable rod, ensuring the transmission effect of the transmission rod and the universal joint. This results in a drill bit with high transmission efficiency after adjustment, facilitating drilling operations. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the drive frame structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the adjustment frame structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the adjustment component structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the movable rod structure of this utility model.

[0023] In the diagram: 1. Drive frame; 11. Positioning ring; 12. First bearing; 2. Hydraulic rotary head; 21. Connecting arm; 22. Fixed plate; 23. Electric pin; 3. Adjusting frame; 31. Second bearing; 32. Movable plate; 33. Insertion hole; 34. Adjusting rod; 35. Hydraulic cylinder; 36. Connecting block; 4. Drive rod; 41. Drill rod connection; 5. Transmission rod; 51. Universal joint; 6. Movable rod; 61. Drill bit connection; 62. First groove; 63. Movable sleeve; 64. Second groove; 65. Ball bearing. Detailed Implementation

[0024] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] According to the drawings Figures 1-5 The utility model discloses an embodiment provides a full hydraulic tunnel drilling machine's power drill direction adjusting device, including drive frame 1, the lateral wall of drive frame 1 and close to the center place is provided with the positioning ring 11, drive frame 1's left side and be located the outside of positioning ring 11 is equipped with hydraulic rotary head 2, the left side of hydraulic rotary head 2 is welded fixedly with the connection arm 21 of symmetrical distribution, the end of connection arm 21 is connected with the adjusting frame 3, the lower portion of adjusting frame 3 is equipped with the adjusting mechanism that links to each other with hydraulic rotary head 2, and the adjusting assembly is arranged between hydraulic rotary head 2 and adjusting frame 3, and the adjusting assembly includes drive rod 4, transmission rod 5 and movable rod 6, movable rod 6 is arranged at the inside of adjusting frame 3, and the movable mechanism is arranged between adjusting frame 3 and movable rod 6.

[0026] The power drill direction adjusting device is when using, installs drive frame 1 on the power group of tunnel drilling machine, makes drive rod 4 with tunnel drilling machine hydraulic motor's output shaft fixed connection, installs the drill bit on movable rod 6, when hydraulic motor drives drive rod 4 to rotate, through drive rod 4, transmission rod 5 and movable rod 6 drive, can drive the drill bit rotation and carry out drilling work, and make the power drill have higher transmission efficiency after direction adjustment.

[0027] When drilling, the direction of power drill needs to be adjusted, make hydraulic rotary head 2 operate and drive connection arm 21 and adjusting frame 3 to rotate with positioning ring 11 as the center, can adjust the control direction of adjusting frame 3, then, through adjusting mechanism drive adjusting frame 3 rotates at the end of connection arm 21, can adjust the angle of movable rod 6 freely, thereby realize the direction of power drill is adjusted freely, in the adjustment process, through movable mechanism and movable rod 6 cooperation, can make movable rod 6 have higher flexibility, facilitate the transmission of transmission rod 5 after adjustment.

[0028] The end of connection arm 21 is provided with an integrally formed fixing disc 22, and the two sides of adjusting frame 3 are welded with movable discs 32, the movable discs 32 are rotatably connected with the fixing disc 22, the movable discs 32 are provided with a plurality of ring arrayed insertion holes 33, the fixing disc 22 is provided with an electric bolt 23 on the side wall, the insertion rod of the electric bolt 23 penetrates through the fixing disc 22 and is inserted into the insertion hole 33.

[0029] When the direction of the movable rod 6 is adjusted by the adjusting frame 3, the electric latch 23 is operated, and the plug rod of the electric latch 23 is inserted into the insertion hole 33, so that the movable disc 32 is further locked and fixed, thereby improving the stability of the adjusting frame 3.

[0030] The adjusting mechanism comprises an adjusting rod 34 welded to the bottom of the adjusting frame 3, a hydraulic cylinder 35 arranged on the right side of the adjusting rod 34, a connecting block 36 welded to the hydraulic cylinder 35 and arranged on the right side of the hydraulic cylinder 35, and the cylinder body of the hydraulic cylinder 35 is rotatably connected with the connecting block 36.

[0031] When the hydraulic cylinder 35 is operated, the cylinder body of the hydraulic cylinder 35 rotates on the connecting block 36, the piston rod of the hydraulic cylinder 35 rotates on the adjusting rod 34, and the adjusting rod 34 is driven to move, so that the adjusting frame 3 rotates around the movable disc 32, thereby adjusting the direction of the movable rod 6 and adjusting the direction of the power drill bit.

[0032] The inner side of the positioning ring 11 is provided with a first bearing 12, the driving rod 4 is arranged on the inner side of the positioning ring 11 and is fixedly connected with the inner ring of the first bearing 12, the right end of the driving rod 4 is provided with a drill rod connecting portion 41, and the positioning ring 11 supports the driving rod 4 to improve the stability of the driving rod 4 during rotation.

[0033] The transmission rod 5 is arranged between the driving rod 4 and the movable rod 6, the two ends of the transmission rod 5 are provided with universal joint connectors 51, and the two ends of the transmission rod 5 are connected with the driving rod 4 and the movable rod 6 through the universal joint connectors 51, so that the transmission rod 5 and the universal joint connectors 51 can flexibly transmit power between the driving rod 4 and the movable rod 6, thereby ensuring the transmission effect after the direction of the power drill bit is adjusted.

[0034] The movable mechanism comprises a movable sleeve 63, the movable sleeve 63 is arranged on the outer side of the movable rod 6 and is rotatably connected with the adjusting frame 3, a plurality of first grooves 62 are arranged in an annular array on the outer wall of the movable rod 6, a plurality of second grooves 64 corresponding to the first grooves 62 are arranged on the inner wall of the movable sleeve 63, and a plurality of evenly distributed rolling balls 65 are embedded in the inner side of the second grooves 64.

[0035] The inner side of the adjusting frame 3 is provided with a second bearing 31, the outer wall of the movable sleeve 63 is fixedly connected with the inner ring of the second bearing 31, and the left end of the movable rod 6 is provided with a drill bit connecting portion 61 for mounting the drill bit.

[0036] When the transmission rod 5 drives the movable rod 6 to rotate, the movable rod 6 can drive the movable sleeve 63 to rotate, and the friction resistance outside the movable sleeve 63 can be reduced through the second bearing 31, so that the transmission effect is improved; when the movable rod 6 is driven to move by the adjusting frame 3 and the direction of the power drill bit is adjusted, the ball 65 rolls between the first groove 62 and the second groove 64, and the movable rod 6 slides along the movable sleeve 63, so that the spacing between the driving rod 4 and the movable rod 6 can be adaptively adjusted, and the transmission effect of the transmission rod 5 and the universal joint 51 is ensured.

[0037] The power drill bit direction adjusting device of the full-hydraulic gallery drilling machine has the advantages that when the device is used, first, the drill rod connecting part 41 is connected with the gallery drilling machine power output shaft, the drill bit is installed on the drill bit connecting part 61, when the power group of the gallery drilling machine drives the driving rod 4 to rotate, the driving rod 4, the transmission rod 5 and the movable rod 6 are driven to rotate, and the drill bit can be driven to rotate to perform drilling work;

[0038] Further, when it is necessary to adjust the drilling direction, the hydraulic cylinder 35 is operated to drive the adjusting rod 34 to drive the adjusting frame 3 to rotate, the adjusting frame 3 rotates around the movable disc 32 and drives the movable rod 6 to move, at the same time, the ball 65 rolls between the first groove 62 and the second groove 64, the movable rod 6 slides along the movable sleeve 63, the spacing between the driving rod 4 and the movable rod 6 is adaptively adjusted, then the electric bolt 23 is operated and the plug rod is inserted into the insertion hole 33 to be matched, the adjusting frame 3 is further fixed, and the adjusting frame 3 has high stability.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for adjusting the direction of a power bit of a full-hydraulic gallery drill, comprising a drive frame (1), characterized in that: The side wall of the driving frame (1) is provided with a positioning ring (11) near the center, the left side of the driving frame (1) is provided with a hydraulic rotary device (2) outside the positioning ring (11), the left side of the hydraulic rotary device (2) is welded and fixed with symmetrically distributed connecting arms (21), the ends of the connecting arms (21) are connected with an adjusting frame (3), the lower side of the adjusting frame (3) is provided with an adjusting mechanism connected with the hydraulic rotary device (2), an adjusting assembly is arranged between the hydraulic rotary device (2) and the adjusting frame (3), and the adjusting assembly comprises a driving rod (4), a transmission rod (5) and a movable rod (6).

2. The apparatus according to claim 1, characterized in that: The end of the connecting arm (21) is provided with an integrally formed fixing disc (22), both sides of the adjusting frame (3) are welded and fixed with movable discs (32), the movable discs (32) are rotationally connected with the fixing disc (22), a plurality of ring array distributed insertion holes (33) are formed in the movable disc (32), and an electric bolt (23) is installed on the side wall of the fixing disc (22). The insertion rod of the electric bolt (23) penetrates the fixing disc (22) and is inserted and matched with the insertion hole (33).

3. The apparatus according to claim 1, characterized in that: The adjusting mechanism comprises an adjusting rod (34) welded and fixed at the bottom of the adjusting frame (3), a hydraulic cylinder (35) is arranged on the right side of the adjusting rod (34), the piston rod of the hydraulic cylinder (35) is rotationally connected with the adjusting rod (34), a connecting block (36) is welded and fixed on the right side of the hydraulic cylinder (35) of the hydraulic rotary device (2), and the cylinder body of the hydraulic cylinder (35) is rotationally connected with the connecting block (36).

4. The apparatus according to claim 1, characterized in that: A first bearing (12) is installed on the inner side of the positioning ring (11), the driving rod (4) is arranged on the inner side of the positioning ring (11) and fixedly connected with the inner ring of the first bearing (12), and a drill rod connecting portion (41) is arranged at the right end of the driving rod (4).

5. The apparatus according to claim 1, characterized in that: The transmission rod (5) is arranged between the driving rod (4) and the movable rod (6), universal joint joints (51) are installed at both ends of the transmission rod (5), and the transmission rod (5) is connected with the driving rod (4) and the movable rod (6) through the universal joint joints (51) at both ends.

6. The apparatus according to claim 1, wherein: The movable mechanism comprises a movable sleeve (63), the movable sleeve (63) is sleeved on the outer side of the movable rod (6) and rotationally connected with the adjusting frame (3), a plurality of first grooves (62) are formed in the outer wall of the movable rod (6) in a ring array distribution, a second groove (64) corresponding to the first groove (62) is formed in the inner side wall of the movable sleeve (63), and a plurality of uniformly distributed rolling balls (65) are embedded in the inner side of the second groove (64).

7. The apparatus according to claim 6, characterized in that: A second bearing (31) is installed on the inner side of the adjusting frame (3), the outer wall of the movable sleeve (63) is fixedly connected with the inner ring of the second bearing (31), and a drill bit connecting portion (61) is installed at the left end of the movable rod (6).

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