CN211924098U

CN211924098U - Rotary drilling rig power head with damping mechanism

Info

Publication number: CN211924098U
Application number: CN202020104145.7U
Authority: CN
Inventors: 陆长春; 边永强; 郭继华; 毛伟鹏; 翁永健
Original assignee: GAOYOU HENGHUI MACHINERY CO Ltd
Current assignee: GAOYOU HENGHUI MACHINERY CO Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-11-13
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a dig rig technical field soon, and disclose a dig rig unit head soon with damper, including the dead lever, the mounting groove has been seted up to the bottom of dead lever. This dig rig unit head soon with damper, through setting up telescopic link and damping spring, can play better shock attenuation effect to the unit head, avoid the drilling rod load in the twinkling of an eye when the unit head meets the circumstances such as hard stratum or stone head layer to strengthen, other spare part also can be protected simultaneously, make the life of unit head and other spare part longer, through setting up the bellows, can play better protection effect to the movable rod, avoid earth and movable rod contact, through setting up the loop bar, compression spring and interior pole, can play stable effect to the unit head, make the unit head can stabilize work, and can improve the shock attenuation effect, play better protection effect to unit head and other spare part, can more be favorable to the user to use, make the life who digs the rig soon longer.

Description

Rotary drilling rig power head with damping mechanism

Technical Field

The utility model relates to a dig rig technical field soon, specifically be a dig rig unit head soon with damper.

Background

The rotary digging machine is also called a rotary digging drilling machine and a pile driver, the rotary digging machine is a comprehensive drilling machine, can use various bottom layers, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, can carry out dry digging operation by using a short spiral drill bit, can also carry out wet digging operation by using a rotary drill bit under the condition of slurry protecting walls, can be matched with a hammer to drill and dig holes after breaking hard stratums, can carry out reaming operation at the hole bottom if matched with a reaming head drilling tool, adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time, low labor intensity, does not need slurry to circularly discharge slag and saves cost, and is particularly suitable for basic construction of urban construction.

The existing rotary drilling rig in the current market has the advantages of high hole forming speed and strong maneuverability, but the power head of the existing rotary drilling rig is not provided with a damping structure, the rotary drilling rig is in the operation process, when a drill bit meets the conditions of a hard stratum or a stone layer and the like, the instantaneous load of a drill rod is increased, a control system transmits a load signal to a variable pump through a main control valve, the flow of the variable pump is increased instantaneously, the pressure changes instantaneously frequently, the power head is easy to vibrate and damage, meanwhile, related components and parts are also easy to damage, the service life of equipment is shortened, and therefore the rotary drilling rig power head with the damping mechanism is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a dig rig unit head soon with damper, possess advantages such as shock attenuation is effectual, the unit head of having solved current rig of digging soon does not all set up shock-absorbing structure, dig the rig soon at the operation in-process, when the drill bit meets the circumstances such as hard stratum or stone layer, the drilling rod load in the twinkling of an eye increases, control system transmits the variable pump with load signal through main control valve, make the variable pump increase flow in the twinkling of an eye, pressure frequently changes in the twinkling of an eye, cause the unit head vibrations and damage very easily, also can relate to relevant components and parts simultaneously and also cause the damage easily, reduce the life's of equipment problem.

(II) technical scheme

For realizing the effectual purpose of above-mentioned shock attenuation, the utility model provides a following technical scheme: a rotary drilling rig power head with a damping mechanism comprises a fixed rod, wherein a mounting groove is formed in the bottom of the fixed rod, a telescopic rod is fixedly mounted on the top wall of the mounting groove, a movable plate is fixedly mounted at the bottom of the telescopic rod, a damping spring which extends to the outer side of the telescopic rod and is fixedly connected with the top wall of the mounting groove is fixedly mounted at the top of the movable plate, a movable rod which penetrates through and extends to the bottom of the fixed rod is fixedly mounted at the bottom of the movable plate, a limiting strip is fixedly mounted at the outer side of the movable rod, a connecting plate is fixedly mounted at the bottom of the movable rod, a fixed seat is fixedly mounted at the bottom of the connecting plate, a power head is fixedly mounted at the bottom of the fixed rod, a corrugated hose which is fixedly connected with the connecting plate is fixedly mounted at the bottom of the fixed rod, a first U-shaped block, the inboard bottom fixed mounting of loop bar has compression spring, and compression spring's top fixed mounting has the interior pole that runs through and extend to the loop bar top, and the outside top of interior pole is through loose axle and second U-shaped piece swing joint, and one side of interior pole and the outside bottom fixed connection of dead lever are kept away from to the second U-shaped piece.

Preferably, the telescopic link comprises sleeve pipe and inner tube, and the inslot roof fixed connection of sheathed tube top and mounting groove, and sheathed tube inside movable mounting has the inner tube that extends to the sleeve pipe bottom, the bottom and the fly leaf fixed connection of inner tube.

Preferably, the diameter of the bottom of the mounting groove is smaller than that of the top of the mounting groove, and the diameter of the bottom of the mounting groove is smaller than that of the movable plate.

Preferably, the bottom of the mounting groove is provided with a limiting groove which is arranged on the fixed rod and matched with the limiting strips, and the sum of the diameter of the movable rod and the width of the two limiting strips is smaller than the diameter of the movable plate.

Preferably, the number of the limiting strips is not less than six, the limiting strips are distributed equidistantly, the number of the first U-shaped blocks is not less than four, and the first U-shaped blocks are distributed equidistantly.

Preferably, the inside of loop bar is cavity, and the top of loop bar is the opening, the bottom diameter of interior pole is greater than the diameter of opening, and the top diameter of interior pole is less than the diameter of opening.

Advantageous effects

Compared with the prior art, the utility model provides a dig rig unit head soon with damper possesses following beneficial effect:

this dig rig unit head soon with damper, through setting up telescopic link and damping spring, can play better shock attenuation effect to the unit head, avoid the drilling rod load in the twinkling of an eye when the unit head meets the circumstances such as hard stratum or stone head layer to strengthen, other spare part also can be protected simultaneously, make the life of unit head and other spare part longer, through setting up the bellows, can play better protection effect to the movable rod, avoid earth and movable rod contact, through setting up the loop bar, compression spring and interior pole, can play stable effect to the unit head, make the unit head can stabilize work, and can improve the shock attenuation effect, play better protection effect to unit head and other spare part, can more be favorable to the user to use, make the life who digs the rig soon longer.

Drawings

FIG. 1 is a sectional view of the connection between the fixed rod and the movable rod of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a sectional view of the connection between the loop bar and the inner rod of the present invention.

In the figure: the device comprises a fixing rod 1, a mounting groove 2, a telescopic rod 3, a movable plate 4, a damping spring 5, a movable rod 6, a limiting strip 7, a connecting plate 8, a fixed seat 9, a power head 10, a corrugated hose 11, a first U-shaped block 12, a loop bar 13, a compression spring 14, an inner rod 15 and a second U-shaped block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a power head of a rotary drilling rig with a damping mechanism comprises a fixed rod 1, a mounting groove 2 is formed at the bottom of the fixed rod 1, a telescopic rod 3 is fixedly mounted on the top wall of the mounting groove 2, a movable plate 4 is fixedly mounted at the bottom of the telescopic rod 3, the telescopic rod 3 is composed of a sleeve and an inner tube, the top of the sleeve is fixedly connected with the top wall of the mounting groove 2, the inner tube extending to the bottom of the sleeve is movably mounted inside the sleeve, the bottom of the inner tube is fixedly connected with the movable plate 4, the diameter of the bottom of the mounting groove 2 is smaller than that of the top of the mounting groove, the diameter of the bottom of the mounting groove 2 is smaller than that of the movable plate 4, a damping spring 5 extending to the outer side of the telescopic rod 3 and fixedly connected with the top wall of the mounting groove 2 is fixedly mounted at the top of the movable, the outer side of the movable rod 6 is fixedly provided with a limit strip 7, the bottom of the groove in the mounting groove 2 is provided with a limit groove which is arranged on the fixed rod 1 and is matched with the limit strip 7, the sum of the diameter of the movable rod 6 and the width of the two limit strips 7 is less than the diameter of the movable plate 4, the number of the limit strips 7 is not less than six, the limit strips 7 are distributed equidistantly, the number of first U-shaped blocks 12 is not less than four, the first U-shaped blocks 12 are distributed equidistantly, the bottom of the movable rod 6 is fixedly provided with a connecting plate 8, the bottom of the connecting plate 8 is fixedly provided with a fixed seat 9, the bottom of the fixed seat 9 is fixedly provided with a power head 10, the bottom of the fixed rod 1 is fixedly provided with a corrugated hose 11 which is fixedly connected with the connecting plate 8, the top of the connecting plate 8 is fixedly provided with a first U-shaped block 12, the inside, the bottom of the inner side of the loop bar 13 is fixedly provided with a compression spring 14, the top of the compression spring 14 is fixedly provided with an inner rod 15 which penetrates through and extends to the top of the loop bar 13, the interior of the loop bar 13 is hollow, the top of the loop bar 13 is provided with an opening, the diameter of the bottom of the inner rod 15 is larger than that of the opening, the diameter of the top of the inner rod 15 is smaller than that of the opening, the top of the outer side of the inner rod 15 is movably connected with a second U-shaped block 16 through a movable shaft, one side, away from the inner rod 15, of the second U-shaped block 16 is fixedly connected with the bottom of the outer side of the fixed rod 1, through the arrangement of the telescopic rod 3 and the damping spring 5, a better damping effect can be achieved on the power head 10, the instantaneous load increase of the drill rod when the power head 10 meets the conditions of a hard stratum or a stone layer and the like is, can play better protection effect to movable rod 6, avoid earth and the contact of movable rod 6, through setting up loop bar 13, compression spring 14 and interior pole 15, can play stable effect to unit head 10 for unit head 10 can steady operation, and can improve the shock attenuation effect, play better protective effect to unit head 10 and other zero device, can more be favorable to the user to use, make the life who digs the rig soon longer.

In conclusion, the power head of the rotary drilling rig with the damping mechanism has the advantages that the telescopic rod 3 and the damping spring 5 are arranged, so that a better damping effect can be achieved on the power head 10, the instantaneous load increase of a drill rod when the power head 10 encounters a hard stratum or a stone layer and the like is avoided, other parts can be protected at the same time, the service life of the power head 10 and other parts is longer, the corrugated hose 11 is arranged, the movable rod 6 can be well protected, earth is prevented from contacting with the movable rod 6, the sleeve rod 13, the compression spring 14 and the inner rod 15 are arranged, the power head 10 can be stabilized, the power head 10 can stably work, the damping effect can be improved, the power head 10 and other parts can be well protected, the use of a user is facilitated, the service life of the rotary drilling rig is longer, and the problem that the conventional rotary drilling rig is not provided with a damping structure on the power head 10 is solved, when the drill bit meets the conditions of a hard stratum or a stone layer and the like in the operation process of the rotary drilling rig, the instantaneous load of the drill rod is increased, a control system transmits a load signal to the variable pump through the main control valve, so that the flow of the variable pump is increased instantaneously, the pressure is frequently changed instantaneously, the power head 10 is easily vibrated and damaged, related components are also easily damaged, and the service life of the equipment is shortened.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dig rig unit head soon with damper, includes dead lever (1), its characterized in that: the bottom of the fixed rod (1) is provided with a mounting groove (2), the inner wall of the mounting groove (2) is fixedly provided with a telescopic rod (3), the bottom of the telescopic rod (3) is fixedly provided with a movable plate (4), the top of the movable plate (4) is fixedly provided with a damping spring (5) which extends to the outer side of the telescopic rod (3) and is fixedly connected with the inner wall of the mounting groove (2), the bottom of the movable plate (4) is fixedly provided with a movable rod (6) which runs through and extends to the bottom of the fixed rod (1), the outer side of the movable rod (6) is fixedly provided with a limit strip (7), the bottom of the movable rod (6) is fixedly provided with a connecting plate (8), the bottom of the connecting plate (8) is fixedly provided with a fixing seat (9), the bottom of the fixing seat (9) is fixedly provided with a power head (10), the bottom of the fixed rod, the top fixed mounting of connecting plate (8) has first U-shaped piece (12), the inside of first U-shaped piece (12) is through the connecting axle and loop bar (13) swing joint that extends to first U-shaped piece (12) top, the inboard bottom fixed mounting of loop bar (13) has compression spring (14), the top fixed mounting of compression spring (14) has interior pole (15) that run through and extend to loop bar (13) top, the outside top of interior pole (15) is through loose axle and second U-shaped piece (16) swing joint, the outside bottom fixed connection of one side of interior pole (15) and dead lever (1) is kept away from in second U-shaped piece (16).

2. The rotary drilling rig power head with the damping mechanism according to claim 1, characterized in that: the telescopic rod (3) is composed of a sleeve and an inner tube, the top of the sleeve is fixedly connected with the top wall of the mounting groove (2), the inner tube extending to the bottom of the sleeve is movably mounted inside the sleeve, and the bottom of the inner tube is fixedly connected with the movable plate (4).

3. The rotary drilling rig power head with the damping mechanism according to claim 1, characterized in that: the diameter of the bottom of the mounting groove (2) is smaller than that of the top of the mounting groove, and the diameter of the bottom of the mounting groove (2) is smaller than that of the movable plate (4).

4. The rotary drilling rig power head with the damping mechanism according to claim 1, characterized in that: the limiting groove which is arranged on the fixed rod (1) and matched with the limiting strips (7) is installed at the bottom of the groove in the mounting groove (2), and the sum of the diameter of the movable rod (6) and the width of the two limiting strips (7) is smaller than the diameter of the movable plate (4).

5. The rotary drilling rig power head with the damping mechanism according to claim 1, characterized in that: the number of the limiting strips (7) is not less than six, the limiting strips (7) are distributed at equal intervals, the number of the first U-shaped blocks (12) is not less than four, and the first U-shaped blocks (12) are distributed at equal intervals.

6. The rotary drilling rig power head with the damping mechanism according to claim 1, characterized in that: the inside of loop bar (13) is cavity, and the top of loop bar (13) is the opening, the bottom diameter of interior pole (15) is greater than the open-ended diameter, and the top diameter of interior pole (15) is less than the open-ended diameter.