CN216742604U

CN216742604U - Dig rig unit head damping device soon

Info

Publication number: CN216742604U
Application number: CN202220467159.4U
Authority: CN
Inventors: 朱江
Original assignee: Jiangyin Huatian Engineering Machinery Co ltd
Current assignee: Jiangyin Huatian Engineering Machinery Co ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-06-14
Anticipated expiration: 2032-03-05

Abstract

The utility model discloses a shock absorption device for a power head of a rotary drilling rig, which belongs to the technical field of equipment accessories of the rotary drilling rig and comprises the power head, wherein a guide cylinder is arranged in the center of the interior of the power head, a ring seat A is arranged below the outer wall of the guide cylinder, mounting holes are formed in two sides of the surface of the ring seat A, and a ring seat B is arranged above the outer wall of the guide cylinder, so that the shock absorption device is reasonable in structure, the first layer of shock absorption treatment is carried out between the ring seat A and the ring seat B by arranging a tension spring and a spring A and matching the spring A with the tension spring, and the shock absorption mechanism is arranged between the ring seat B and the ring seat C by arranging the shock absorption mechanism, when the first layer is not completely damped, the second layer of shock absorption treatment is carried out by the shock absorption mechanism, so that the shock absorption treatment is carried out on the power head of the rotary drilling rig, and meanwhile, the shock absorption under two layers is utilized, so that the shock absorption effect can be effectively enhanced, the stability of the power head in operation is improved.

Description

Dig rig unit head damping device soon

Technical Field

The utility model relates to the technical field of equipment accessories of rotary drilling rigs, in particular to a damping device for a power head of a rotary drilling rig.

Background

The rotary digging machine is also called a rotary digging drilling machine and a pile driver. The rotary drilling machine is a comprehensive drilling machine, can be used for various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry-cut operations, and rotary drill bits may also be used to perform wet-cut operations with mud retaining walls. The rotary digging machine can be matched with a ram to drill and dig holes after a hard stratum is crushed. If the reamer is matched with an enlarged head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to circularly discharge slag, saves cost and is particularly suitable for the basic construction of urban construction.

The existing rotary drilling rig power head damping device has the following defects: when the rotary drilling rig works, part of the power head is easy to generate large vibration, and the connection part of the power head and a drill bit or the part installation part is easy to loosen and cannot be used under the influence of the vibration for a long time.

Therefore, the development of a shock absorption device for the power head of the rotary drilling rig is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping device for a power head of a rotary drilling rig, which is characterized in that a tension spring and a spring A are arranged, the spring A is matched with the tension spring to achieve first-layer damping treatment between a ring seat A and a ring seat B, and a damping mechanism is arranged between the ring seat B and a ring seat C, so that when the first layer is not completely damped, the damping mechanism is used for carrying out second-layer damping treatment, thereby realizing damping treatment on the power head on the rotary drilling rig.

In order to achieve the purpose, the utility model provides the following technical scheme: a shock absorption device for a power head of a rotary drilling rig comprises the power head, wherein a guide cylinder is arranged in the center of the interior of the power head, a ring seat A is arranged below the outer wall of the guide cylinder, mounting holes are formed in two sides of the surface of the ring seat A, a ring seat B is arranged above the outer wall of the guide cylinder, a ring seat C is arranged above the interior of the power head, pull rings A are arranged below the inner walls of the two sides of the power head, a limiting column is arranged inside the mounting holes, and shock absorption mechanisms are arranged on two sides of the bottom of the ring seat C;

the damping mechanism comprises a buffering component and a damping component, the buffering component is connected with the ring seat C, and the damping component is connected with the ring seat B and the buffering component respectively.

Preferably, through holes are formed in the surface center positions of the ring seat A, the ring seat B and the ring seat C, and the hole walls of the through holes are connected with the outer wall of the guide cylinder in a sliding mode.

Preferably, a tension spring is installed at one end of the pull ring A, a pull ring B is installed at one end of the tension spring, and one end of the pull ring B is fixedly connected with the outer wall of one side of the ring seat A.

Preferably, the outer wall of spacing post and the pore wall sliding connection of mounting hole, the top of spacing post and the bottom fixed connection of ring seat B, the locking button is installed to the outer wall below of spacing post, the surface of locking button is seted up threaded hole.

Preferably, an external thread is arranged below the outer wall of the limiting column, the external thread on the limiting column is in threaded connection with the inner wall of the threaded hole, a spring A is arranged above the outer wall of the limiting column, and the spring A is located between the ring seat A and the ring seat B.

Preferably, the buffering part comprises two groups of upright columns, the top ends of the two groups of upright columns are fixedly connected with the two sides of the bottom of the ring seat C respectively, and a spring B is arranged at the center of the top end of the upright column.

Preferably, the center of the lower surface of the upright post is provided with a telescopic hole, and the inner wall of the telescopic hole is provided with a damping rubber ring.

Preferably, the shock attenuation part includes the telescopic link, the spacing ring is installed on the top of telescopic link, the bottom of telescopic link is equipped with the connector, the attenuator is installed to the bottom of connector, rotate between the top of attenuator and the connector and be connected, the output on the attenuator and the top fixed connection of ring seat B.

Compared with the prior art, the utility model has the beneficial effects that:

through being equipped with tension spring and spring A, with spring A cooperation tension spring, reach and carry out first layer shock attenuation processing between ring seat A and the ring seat B, through being equipped with damper, install damper between ring seat B and ring seat C, when making the incomplete shock attenuation of first layer, carry out second level shock attenuation processing by damper, thereby realize carrying out shock attenuation processing to the unit head on digging the rig soon, utilize the shock attenuation under two kinds of levels simultaneously, more can effectual reinforcing shock attenuation effect, the stability of unit head during operation has been improved.

Drawings

FIG. 1 is an elevational, cross-sectional view provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an elevational, cross-sectional view of a shock absorbing mechanism provided in accordance with the present invention;

fig. 5 is a perspective view of the internal structure of the power head provided by the present invention.

In the figure: 1. a power head; 101. a guide cylinder; 102. a ring seat A; 103. mounting holes; 104. a ring seat B; 105. a ring seat C; 2. a pull ring A; 201. a tension spring; 202. a pull ring B; 3. a limiting column; 301. a locking button; 302. a threaded hole; 303. a spring A; 4. a damping mechanism; 401. a column; 402. a spring B; 403. a telescopic hole; 404. a damping rubber ring; 405. a telescopic rod; 406. a limiting ring; 407. a connector; 408. a damper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: a shock absorption device for a power head of a rotary drilling rig can effectively enhance the shock absorption effect of the power head on the rotary drilling rig in the using process and is additionally provided with a tension spring 201, a spring A303 and a shock absorption mechanism 4, please refer to fig. 1-5, which comprises the power head 1, wherein a guide cylinder 101 is arranged at the center position inside the power head 1, a ring seat A102 is arranged below the outer wall of the guide cylinder 101, mounting holes 103 are respectively formed in two sides of the surface of the ring seat A102, a ring seat B104 is arranged above the outer wall of the guide cylinder 101, a ring seat C105 is arranged above the inside of the power head 1, through holes are respectively formed in the center positions of the surfaces of the ring seat A102, the ring seat B104 and the ring seat C105, the hole walls of the through holes are in sliding connection with the outer wall of the guide cylinder 101, so that the ring seat A102, the ring seat B104 and the ring seat C105 slide up and down on the outer wall of the guide cylinder 101, A2 is arranged below the inner walls of two sides of the power head 1, one end of a pull ring 2 is provided with the tension spring 201, a pull ring B202 is arranged at one end of a tension spring 201, one end of the pull ring B202 is fixedly connected with the outer wall of one side of a ring seat A102, the tension spring 201 has an elastic effect, when the ring seat A102 is pressed to slide upwards, the tension spring 201 deforms and extends, and then the ring seat A102 is rapidly pulled back, the ring seat A102 is kept in a reset state, and a buffering and damping effect is achieved, a limiting column 3 is arranged inside a mounting hole 103, the outer wall of the limiting column 3 is in sliding connection with the hole wall of the mounting hole 103, so that the limiting column 3 slides up and down on the ring seat A102, the top end of the limiting column 3 is fixedly connected with the bottom of the ring seat B104, a locking button 301 is arranged below the outer wall of the limiting column 3, a threaded hole 302 is formed in the surface of the locking button 301, an external thread is arranged below the outer wall of the limiting column 3, the external thread on the limiting column 3 is in threaded connection with the inner wall of the threaded hole 302, so as to achieve the rotation of the locking button 301, and the ring seat A102 can be adjusted and limited, meanwhile, the limiting treatment of the limiting column 3 is performed, the limiting column 3 is prevented from being separated from the ring seat A102, a spring A303 is arranged above the outer wall of the limiting column 3, the spring A303 is located between the ring seat A102 and the ring seat B104, the buffering effect is achieved by utilizing the buffering effect of the spring A303 and matching with a tension spring 201, the buffering and damping effects are achieved, and the damping mechanisms 4 are arranged on two sides of the bottom of the ring seat C105;

the damping mechanism 4 comprises a damping part and a damping part, the damping part is connected with a ring seat C105, the damping part is respectively connected with a ring seat B104 and the damping part, the damping part comprises two groups of upright columns 401, the tops of the two groups of upright columns 401 are respectively fixedly connected with the two sides of the bottom of the ring seat C105, the subsequent installation treatment of other parts of the damping mechanism 4 is realized, a spring B402 is arranged at the center position of the top end in the upright column 401, a telescopic hole 403 is arranged at the center position of the lower surface of the upright column 401, a damping rubber ring 404 is arranged on the inner wall of the telescopic hole 403, the damping part comprises a telescopic rod 405, the telescopic rod 405 is installed in the upright column 401 through the telescopic hole 403 to be in sliding connection, the telescopic rod 405 slides up and down on the upright column 401, a limit ring 406 is installed at the top end of the telescopic rod 405, the diameter of the limit ring 406 is larger than that of the telescopic hole 403, the limit ring 405 is limited, the telescopic rod 405 is prevented from being separated from the upright column 401, the spring B402 is arranged between the limiting ring 406 and the top end inside the upright column 401, the spring B402 is enabled to be in an original position state relative to the telescopic rod 405, the connecting head 407 is arranged at the bottom end of the telescopic rod 405, the damper 408 is installed at the bottom of the connecting head 407, the top end of the damper 408 is rotatably connected with the connecting head 407, the output end of the damper 408 is fixedly connected with the top of the ring seat B104, when the pressure borne by the spring A303 and the tension spring 201 is larger than the pressure of the damper 408, the damper 408 is matched with the spring B402 and the damping rubber ring 404, the second-level buffering and shock absorption are carried out, and therefore shock absorption processing is carried out on the power head on the rotary drilling rig.

The working principle is as follows: when the utility model is used, the ring seat A102, the ring seat B104 and the ring seat C105 are sequentially arranged on the outer wall of the guide cylinder 101 on the power head 1 from bottom to top and are connected in a sliding manner, so that the ring seat A102, the ring seat B104 and the ring seat C105 slide up and down on the outer wall of the guide cylinder 101, the ring seat A102 is quickly pulled back after the tension spring 201 deforms and extends when the ring seat A102 is pressed and slides up by fixing the tension ring A2 on the inner wall of the power head 1 and fixing the tension ring B202 on one side outer wall of the ring seat A102 by utilizing the elastic effect of the tension spring 201, the ring seat A102 is kept in a reset state and also has the effect of buffering and shock absorption, the limit column 3 is arranged in the mounting hole 103 on the ring seat A102 and is connected in a sliding manner, so that the limit column 3 slides up and down on the ring seat A102, and external threads are arranged below the outer wall of the limit column 3, the locking button 301 is arranged on the limiting column 3 through the threaded hole 302 and is connected with the threaded hole to rotate the locking button 301, the ring seat A102 can be adjusted and limited, meanwhile, the limiting column 3 is limited, the situation that the limiting column 3 is separated from the ring seat A102 is prevented, the spring A303 is arranged above the outer wall of the limiting column 3, the spring A303 is arranged between the ring seat A102 and the ring seat B104, the buffering effect of the spring A303 is utilized, the buffering and damping effects are achieved by matching with the tension spring 201, the post 401 on the damping mechanism 4 is divided into two groups, the two groups of posts 401 are fixed on the bottom of the ring seat C105, the subsequent installation processing of other parts of the damping mechanism 4 is achieved, the telescopic hole 403 is arranged on the lower surface of the post 401, the telescopic rod 405 is arranged in the post 401 through the telescopic hole 403, the telescopic rod 405 is connected in a sliding mode, and the telescopic rod 405 slides up and down on the post 401, by arranging the limit ring 406 at the top end of the telescopic rod 405, and the diameter of the limit ring 406 is larger than that of the telescopic hole 403, the telescopic rod 405 is limited, the telescopic rod 405 is prevented from being separated from the upright column 401, the spring B402 is arranged between the limiting ring 406 and the top end of the inner part of the upright column 401, so that the spring B402 keeps the telescopic rod 405 in a home position state, the damper 408 is installed at the bottom end of the telescopic rod 405 by the connector 407, and one end of the damper 408 is installed on the ring seat B104, when the pressure to which the spring a303 and the tension spring 201 are subjected is greater than the pressure of the damper 408, the damper 408, in cooperation with the spring B402 and the damping rubber ring 404, performs a second level of cushioning, therefore, the power head on the rotary drilling rig is subjected to damping treatment, the damping effect can be effectively enhanced by damping at two levels, and the stability of the power head in working is improved.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a dig rig unit head damping device soon, includes unit head (1), the inside central point of unit head (1) puts and installs guide cylinder (101), ring seat A (102) are installed to the outer wall below of guide cylinder (101), mounting hole (103) have all been seted up to the surperficial both sides of ring seat A (102), ring seat B (104) are installed to the outer wall top of guide cylinder (101), ring seat C (105) are installed to the inside top of unit head (1), pull ring A (2) are all installed to the both sides inner wall below of unit head (1), the internally mounted of mounting hole (103) has spacing post (3), its characterized in that: two sides of the bottom of the ring seat C (105) are provided with damping mechanisms (4);

the damping mechanism (4) comprises a damping part and a damping part, the damping part is connected with the ring seat C (105), and the damping part is respectively connected with the ring seat B (104) and the damping part.

2. The rotary drilling rig power head damping device according to claim 1, characterized in that: through holes are formed in the surface center positions of the ring seat A (102), the ring seat B (104) and the ring seat C (105), and the hole walls of the through holes are connected with the outer wall of the guide cylinder (101) in a sliding mode.

3. The rotary drilling rig power head damping device according to claim 1, characterized in that: tension spring (201) is installed to the one end of pull ring A (2), pull ring B (202) is installed to the one end of tension spring (201), the one end of pull ring B (202) and the one side outer wall fixed connection of ring seat A (102).

4. The rotary drilling rig power head damping device according to claim 1, characterized in that: the outer wall of spacing post (3) and the pore wall sliding connection of mounting hole (103), the top of spacing post (3) and the bottom fixed connection of ring seat B (104), locking button (301) are installed to the outer wall below of spacing post (3), threaded hole (302) are seted up on the surface of locking button (301).

5. The rotary drilling rig power head damping device according to claim 4, characterized in that: the outer wall below of spacing post (3) is equipped with the external screw thread, the internal wall threaded connection of external screw thread and screw hole (302) on spacing post (3), the outer wall top of spacing post (3) is equipped with spring A (303), spring A (303) are located between ring seat A (102) and ring seat B (104).

6. The rotary drilling rig power head damping device according to claim 1, characterized in that: the buffer component comprises upright columns (401), the upright columns (401) are arranged into two groups, the top ends of the two groups of upright columns (401) are fixedly connected with the two sides of the bottom of the ring seat C (105) respectively, and a spring B (402) is arranged at the center of the top end in the upright columns (401).

7. The rotary drilling rig power head damping device according to claim 6, characterized in that: the center of the lower surface of the upright column (401) is provided with a telescopic hole (403), and the inner wall of the telescopic hole (403) is provided with a damping rubber ring (404).

8. The rotary drilling rig power head damping device according to claim 1, characterized in that: the shock attenuation part includes telescopic link (405), spacing ring (406) are installed on the top of telescopic link (405), the bottom of telescopic link (405) is equipped with connector (407), attenuator (408) are installed to the bottom of connector (407), rotate between the top of attenuator (408) and connector (407) and be connected, the top fixed connection of output and ring seat B (104) on attenuator (408).