CN219472040U

CN219472040U - Anti-loosening drill rod connecting structure of drilling machine

Info

Publication number: CN219472040U
Application number: CN202223144168.9U
Authority: CN
Inventors: 翟培合; 董益铭
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-08-04
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a locking connection structure of a drill rod of a drilling machine, which comprises an output rod and a drill rod, wherein the lower end of the output rod is provided with a connecting block, the lower end of the connecting block is provided with a thread groove, the upper end of the drill rod is fixedly connected with a thread block, the thread block is in meshed connection with the inside of the thread groove, the upper end of the drill rod is provided with a ring block, at least one chute is arranged on the inner side wall of the ring block, and a locking column for locking the thread block in the thread groove is in sliding connection with the inside of the chute through a first spring.

Description

Anti-loosening drill rod connecting structure of drilling machine

Technical Field

The utility model relates to the technical field of geological drilling, in particular to a looseness-preventing drill rod connecting structure of a drilling device.

Background

The connection between the general drilling rod and the output rod of boring machine passes through threaded connection, and the tip of the output rod of drilling rod and boring machine all is equipped with the external screw thread promptly, is equipped with the connection pipe box between drilling rod and the output rod of boring machine, and the screw thread groove has all been opened at the both ends of connection pipe box, and the drilling rod is screwed respectively through the external screw thread with the output rod of boring machine in the screw thread groove at connection pipe box both ends, and this kind of mode is when using because the output rod of boring machine drives the drilling rod to rotate and can lead to the drilling rod to take place not hard up, consequently has proposed a locking boring machine drilling rod connection structure.

Disclosure of Invention

The utility model aims to provide a looseness-preventing drill rod connecting structure of a drilling machine, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking driller drilling rod connection structure that moves, includes output pole and drilling rod, and the output pole sets up at the driller, and the output pole can provide rotatory power for the drilling rod, the lower extreme of output pole is equipped with the connecting block, and the upper end of connecting block and the lower extreme of output pole pass through a plurality of bolt fixed connection, open the lower extreme of connecting block has the screw thread groove, the upper end fixedly connected with screw thread piece of drilling rod, screw thread piece meshing is connected in the inside of screw thread groove, and the external screw thread on the screw thread piece and the interior thread rule adaptation in the screw thread groove need when with drilling rod fixed connection on the output pole, only need screw thread piece screw in the inside of screw thread groove, and drilling rod alright pass through connecting block fixed connection at the lower extreme of output pole this moment, and when the output pole was rotatory, the drilling rod just can rotate along with the output pole, the upper end of drilling rod is equipped with the ring piece, open on the ring piece inside wall has at least one chute, the inside of chute is connected with the locking post that is used for locking the screw thread piece in the screw thread groove through first spring sliding.

Preferably, the outer side wall of the ring block is rotationally sleeved with a rotating ring, a plurality of deflector rods corresponding to the number of the inclined slots are fixedly connected to the side wall of the rotating ring, each deflector rod penetrates through the side wall of the ring block and is respectively inserted into the corresponding inclined slot, the deflector rods are located on one side, far away from the first spring, of the locking column, a fixed block is fixedly connected to the side wall of the rotating ring, an inserting rod is connected to the fixed block in a sliding mode through a second spring, a first inserting hole and a second inserting hole are formed in the outer side wall of the ring block, and the inserting rod is movably inserted into the first inserting hole or the second inserting hole and used for limiting the position of the deflector rods in the inclined slots.

Preferably, a sliding groove is formed in the outer side wall of the ring block, a sliding block is fixedly connected to the inner side wall of the rotating ring, and the sliding block is slidably connected to the inner portion of the sliding groove to enable the rotating ring to be installed on the ring block in a rotating mode.

Preferably, the outer side wall of the rotating ring is provided with anti-skid grains.

Preferably, the upper end of the drill rod and the side wall of the connecting block are respectively provided with a hexagonal clamping position which is convenient for driving the drill rod to rotate relative to the connecting block, and the drill rod is convenient to detach.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the locking column is sprung by the first spring, so that the locking column is in closer contact with the outer wall of the connecting block and the side wall of the chute, and the threaded block is matched with the meshed connection of the threaded groove, so that the rotation restriction of the drill rod relative to the connecting block is realized, and the drill rod is prevented from loosening during drilling; the locking column is stirred towards one end of the first spring through the deflector rod, so that the locking column is fixed in a state of compressing the first spring, and the thread blocks can be rotated out of the thread grooves in the state, thereby being convenient for disassembling the drill rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the output rod, drill pipe and connection block of the present utility model;

FIG. 3 is a cross-sectional view of the drill pipe, ring block, rotary ring, fixed block and plug rod of the present utility model;

FIG. 4 is a cross-sectional exploded view of the ring block, swivel ring, fixed block and bayonet rod of the present utility model;

FIG. 5 is a schematic view of the structure of the drill rod, screw block, ring block and rotary ring of the present utility model;

FIG. 6 is an exploded view of the drill rod, threaded block, ring block and rotary ring of the present utility model;

FIG. 7 is a cross-sectional view of the utility model at the screw block, connecting block, ring block, chute and rotating ring;

FIG. 8 is a cross-sectional view I of the present utility model at the ring block, chute, first spring, locking post, rotary ring and lever;

fig. 9 is a cross-sectional view II of the utility model at the ring block, chute, first spring, locking post, rotary ring and lever.

In the figure: 1. output rod, 2, drill rod, 201, thread block, 3, connecting block, 301, thread groove, 4, annular block, 401, chute, 402, chute, 403, first jack, 404, second jack, 5, first spring, 6, locking post, 7, rotating ring, 701, slider, 8, deflector rod, 9, fixed block, 10, second spring, 11, plug rod, 12, hexagonal clamping position.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a locking driller drilling rod connection structure who moves, including output pole 1 and drilling rod 2, output pole 1 sets up on the driller, the driller is prior art, so need not be described again, output pole 1 can provide rotatory power for drilling rod 2, output pole 1's lower extreme is equipped with connecting block 3, as shown in fig. 2, connecting block 3's upper end and output pole 1's lower extreme pass through a plurality of bolts fixed connection, connecting block 3's lower extreme is opened there is thread groove 301, drilling rod 2's upper end fixedly connected with thread piece 201, thread piece 201 meshing is connected in thread groove 301's inside, the external screw on thread piece 201 and the interior thread specification adaptation in thread groove 301 need be with drilling rod 2 fixed connection on output pole 1, only need screw thread piece 201 into thread groove 301's inside, at this moment drilling rod 2 alright be through connecting block 3 fixed connection in output pole 1's lower extreme, when output pole 1 rotates, drilling rod 2 just can rotate along with output pole 1, 2's upper end is equipped with annular piece 4, at least one on the inside wall of annular piece 4 has thread groove 401 to open at least one, at least one is used for locking thread groove 401 in the inside of thread groove 301 through the locking groove 6;

as shown in fig. 7, the chute 401 gradually narrows from one end close to the first spring 5 to one end far away from the first spring 5, the first spring 5 pushes the locking column 6 towards the narrow end of the chute 401, and the arrow direction shown in fig. 7 is the rotation direction of the threaded block 201 screwed into the threaded groove 301, at this time, the threaded block 201 can be smoothly screwed into the threaded groove 301, after the threaded block 201 is positioned in the threaded groove 301, the first spring 5 pushes the locking column 6, so that the locking column 6 is tightly attached to the outer wall of the connecting block 3 and the side wall of the chute 401, and if the threaded block 201 is subjected to external force to rotate in the opposite direction of the arrow shown in fig. 7, the locking column 6 slides towards the narrower end of the chute 401, so that the locking column 6 can be in contact with the outer wall of the connecting block 3 and the side wall of the chute 401 more tightly, and further rotation of the threaded block 201 in the opposite direction shown in fig. 7 can be avoided, rotation limitation of the threaded block 201 relative to the connecting block 3 is realized, and looseness of the drill rod 2 during drilling is avoided.

As shown in fig. 3-4 and 7-9, in order to facilitate the disassembly and assembly of the drill rod 2, specifically, the outer side wall of the ring block 4 is rotatably sleeved with a rotating ring 7, the side wall of the rotating ring 7 is fixedly connected with a plurality of shift levers 8 corresponding to the number of the inclined slots 401, each shift lever 8 penetrates through the side wall of the ring block 4 and is respectively inserted into the corresponding inclined slot 401, the shift lever 8 is positioned at one side of the locking column 6 far away from the first spring 5, the side wall of the rotating ring 7 is fixedly connected with a fixed block 9, the fixed block 9 is slidably connected with an insertion rod 11 through a second spring 10, the outer side wall of the ring block 4 is provided with a first insertion hole 403 and a second insertion hole 404, and the insertion rod 11 is movably inserted into the first insertion hole 403 or the second insertion hole 404 to limit the position of the shift lever 8 in the inclined slot 401;

before screwing the threaded block 201 into the threaded groove 301, the inserting rod 11 is pulled outwards, then the rotating ring 7 is rotated, so that the rotating ring 7 slides in the chute 401 with the deflector rod 8, the deflector rod 8 compresses the locking post 6 to compress the first spring 5 to slide, then the inserting rod 11 is loosened, the second spring 10 is used for pushing the inserting rod 11, the inner end of the inserting rod 11 is inserted into the second insertion hole 404, at the moment, the deflector rod 8 is fixed in the chute 401, then the locking post 6 is fixed in a state of compressing the first spring 5 (as shown in fig. 9), in this state, when the threaded block 201 is screwed into the threaded groove 301, a gap is left between the locking post 6 and the connecting block 3, interference caused by the locking post 6 on the operation of screwing the threaded block 201 into the threaded groove 301 is avoided, after the threaded block 201 is screwed into place, the inserting rod 11 is pulled outwards again, at this time, the inner end of the plugging rod 11 is separated from the inside of the second jack 404, then the rotating ring 7 is rotated to drive the rotating ring 7 to slide along the deflector rod 8 in the inside of the chute 401 towards the end far away from the first spring 5 (as shown in fig. 8), then after the plugging rod 11 is loosened, the second spring 10 springs the inner end of the plugging rod 11 into the inside of the first jack 403, so that the first spring 5 springs the locking column 6, the locking column 6 is more tightly contacted with the outer wall of the connecting block 3 and the side wall of the chute 401, the engaged connection of the threaded block 201 and the threaded groove 301 is realized, the rotation restriction of the drill rod 2 relative to the connecting block 3 is realized, the looseness of the drill rod 2 is avoided when the drill rod 2 is required to be disassembled, after the rotating ring 7, the plugging rod 11 is caused to be plugged into the inside of the second jack 404, namely the deflector rod 8 toggles the locking column 6 towards the end of the first spring 5, the locking post 6 is secured in a state of compressing the first spring 5 (as shown in fig. 9), in which state the screw block 201 can be rotated out of the inside of the screw groove 301, thereby facilitating the disassembly of the drill rod 2.

As shown in fig. 3 and 4, in order to mount the rotating ring 7 on the ring block 4 in a rotating manner, specifically, a sliding groove 402 is formed on the outer side wall of the ring block 4, a sliding block 701 is fixedly connected to the inner side wall of the rotating ring 7, and the sliding block 701 is slidably connected to the inside of the sliding groove 402.

As shown in fig. 5, in order to prevent the hand from slipping on the rotating ring 7 when the rotating ring 7 is rotated, specifically, the outer side wall of the rotating ring 7 is provided with anti-slip lines.

As shown in fig. 1, in order to facilitate driving of the drill rod 2 to rotate on the connection block 3, specifically, the upper end of the drill rod 2 and the side wall of the connection block 3 are respectively provided with a hexagonal clamping position 12, when the drill rod 2 is installed or disassembled, two external driving tools (e.g. wrenches) are respectively clamped on the hexagonal clamping positions 12 of the drill rod 2 and the connection block 3, and the two external driving tools are relatively broken off, so that the drill rod 2 and the connection block 3 are conveniently driven to rotate relatively, and the drill rod 2 is conveniently disassembled.

Claims

1. The utility model provides a locking driller drilling rod connection structure that moves, includes output pole and drilling rod, its characterized in that: the lower extreme of output pole is equipped with the connecting block, the lower extreme of connecting block is opened there is the screw thread groove, the upper end fixedly connected with screw thread piece of drilling rod, screw thread piece meshing is connected in the inside of screw thread groove, the upper end of drilling rod is equipped with the ring piece, it has at least one chute to open on the ring piece inside wall, the inside of chute has the locking post that is used for locking the screw thread piece in the screw thread groove through first spring sliding connection.

2. The anti-loosening drill rod connection structure of a drill according to claim 1, wherein: the rotary ring is rotatably sleeved on the outer side wall of the ring block, a plurality of deflector rods corresponding to the chute in number are fixedly connected on the side wall of the rotary ring, each deflector rod penetrates through the side wall of the ring block and is respectively inserted into the corresponding chute, a fixed block is fixedly connected on the side wall of the rotary ring, an inserting rod is slidably connected on the fixed block through a second spring, a first inserting hole and a second inserting hole are formed in the outer side wall of the ring block, and the inserting rod is movably inserted into the first inserting hole or the second inserting hole.

3. The anti-loosening drill rod connection structure of a drill according to claim 2, wherein: the outer side wall of the ring block is provided with a sliding groove, the inner side wall of the rotating ring is fixedly connected with a sliding block, and the sliding block is in sliding connection with the inside of the sliding groove.

4. A loose-locking drill rod connection structure according to claim 2 or 3, characterized in that: and anti-skid lines are arranged on the outer side wall of the rotating ring.

5. The anti-loosening drill rod connection structure of a drill according to claim 1, wherein: and hexagonal clamping positions are arranged at the upper end of the drill rod and on the side wall of the connecting block.