CN217462053U - Novel drill rod dismounting device - Google Patents

Abstract

The utility model relates to a novel drilling rod dismounting device, it includes connector, drilling rod chucking device and drilling rod clamping device, wherein: one end of the connector is arranged in a power head of the drilling machine, and the other end of the connector is provided with a screw joint in threaded connection with the drill rod; two sides of the rod part at one end of the connector close to the screw joint are provided with limiting clamping pieces; the drill rod clamping device is sleeved on the connector and is circumferentially limited by the limiting clamping piece; the drill rod clamping device is arranged at the drilling hole and used for clamping a drill rod. The utility model discloses a novel drilling rod dismounting device utilizes drilling rod chucking device to install in the unit head, through drilling rod chucking device with the drilling rod chucking, under the torsional force drive of unit head, outside pulling out drilling with the drilling rod, under drilling rod clamping device's the holding with, the threaded connection department of drilling rod is turned round out in the upset to realize the quick dismantlement of drilling rod, improved the work efficiency of drilling processing, simultaneously also greatly reduced workman's intensity of labour.

Description

Novel drill rod dismounting device

Technical Field

The utility model relates to a colliery probing technical field especially relates to a novel drilling rod is dismantled device.

Background

At present, drilling equipment for underground coal mines mainly comprises a coal electric drilling machine, a wind drilling machine, a hydraulic drilling machine and the like. In the underground flammable and explosive environment of a coal mine, the use of charged equipment is strictly limited by the national security administration, and the coal electric drilling machine is inevitably eliminated; wind power drills are also being phased out due to their shortcomings of high noise, low torque, low efficiency, short life, etc.; the large and medium-sized drilling machines used in coal mines at the present stage are mainly hydraulic drilling machines, and have the advantages of large torque, low noise, reliable work, long service life and the like which are incomparable with other drilling machines.

The frame column type emulsion drilling machine is mainly adopted in the coal mine at the present stage, the drill rods of the drilling machine are formed by combining a plurality of sections, the drill rods need to be disassembled one by one in the drill holes after the drill holes are drilled, the disassembling mode at the present stage is manual disassembling, the drill rods are large in size and weight, meanwhile, the reliable connection mode of threads is adopted between the drill rods, the drill rods can only be manually disassembled through hydraulic tongs, and the disassembling not only needs a large amount of manual labor, but also consumes very much time. Based on this, how to design a novel drilling rod dismantlement device is the utility model discloses the technical problem that will solve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a novel drilling rod dismounting device has improved the dismantlement efficiency of drilling rod greatly, has reduced staff's intensity of labour.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a novel drilling rod dismounting device, including connector, drilling rod chucking device and drilling rod clamping device, wherein: one end of the connector is arranged in a power head of the drilling machine, and the other end of the connector is provided with a screw joint in threaded connection with the drill rod; two sides of the rod part at one end of the connector close to the screw joint are provided with limiting clamping pieces; the drill rod clamping device is sleeved on the connecting head and is circumferentially limited by the limiting clamping piece; the drill rod clamping device is arranged at the drilling hole and used for clamping a drill rod.

The utility model provides a novel drilling rod dismounting device in a preferred embodiment, drilling rod chucking device includes sleeve, steel ball and cutting ferrule, telescopic one end outer wall is equipped with the step axle, a plurality of through-holes of the epaxial radial equipartition of step, the steel ball install in the through-hole, the internal diameter of cutting ferrule with the external diameter phase-match of step axle, the cutting ferrule suit in the step axle, the both sides wall of the telescopic other end still is equipped with inserts the spacing groove of spacing card.

In the utility model provides a novel drilling rod dismounting device's a preferred embodiment, drilling rod chucking device still includes the spacing ring, spacing ring detachable locates the tip of step axle.

In a preferred embodiment of the novel drill rod disassembling device provided by the present invention, the limiting ring is a snap spring.

In a preferred embodiment of the novel drill rod disassembling device provided by the present invention, the distance between the limiting ring and the element line at the lowest position of the through hole is smaller than the height of the cutting sleeve.

In a preferred embodiment of the novel drill rod disassembling device provided by the present invention, the limiting groove includes an elongated groove and a short groove, and the short groove is disposed on one side of the elongated groove and is communicated with the elongated groove.

In a preferred embodiment of the novel drill rod disassembling device provided by the present invention, the distance between the shoulder surface of the step shaft and the plain line of the lowest position of the through hole is smaller than the height of the cutting sleeve.

Compared with the prior art, the utility model provides a novel drilling rod is dismantled device's beneficial effect is:

the novel drill rod dismounting device is arranged on a power head by utilizing a drill rod clamping device, the drill rod is clamped by the drill rod clamping device, the drill rod is pulled out of a drill hole under the driving of the torsional force of the power head, and the threaded connection part of the drill rod is turned and twisted out under the clamping action of the drill rod clamping device, so that the drill rod is quickly dismounted, the working efficiency of drilling processing is improved, and the labor intensity of workers is greatly reduced;

secondly, design drilling rod chucking device novel structure, easy operation, convenient to use is fit for using widely on a large scale.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a view of the installation structure of the novel drill rod dismounting device provided by the present invention;

fig. 2 is a state diagram of the drill rod clamping device provided by the invention when the drill rod is not clamped;

FIG. 3 is a state diagram of the drill rod clamping device provided by the present invention when clamping a drill rod;

FIG. 4 is a schematic view of the construction of the sleeve provided in FIG. 2 or FIG. 3;

fig. 5 is a schematic view of the structure of the ferrule provided in fig. 2 or 3.

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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example one

Referring to fig. 1, the present embodiment provides a novel drill rod disassembling device, which includes a connector 20, a drill rod clamping device 30, and a drill rod clamping device 40.

One end of the connector 20 is arranged in a power head 10 of the drilling machine, the drilling machine of the embodiment can adopt a frame column type emulsion drilling machine, the connector is driven to rotate by the power head of the drilling machine, and the other end of the connector is provided with a screw joint in threaded connection with a drill rod 50; two sides of the rod part of one end of the connector 20 close to the screw joint are provided with limiting clamping pieces 202; the drill rod clamping device 30 is sleeved on the connector 20 and is circumferentially limited by the limiting clamping piece 202, and the drill rod clamping device is driven by the power head along with the connector under the limitation of the limiting clamping piece; the drill rod clamping device 40 is disposed at a drilling hole and used for clamping a drill rod 50, and the drill rod clamping device of this embodiment is directly applied in the prior art, and is not described herein.

Preferably, the drill rod clamping device 30 of the present embodiment is shown in fig. 2 to fig. 5, and includes a sleeve 301, a steel ball 302, and a clamping sleeve 303; the outer wall of one end of the sleeve 301 is provided with a step shaft 3010, the two side walls of the other end of the sleeve are provided with limiting grooves 3011 into which the limiting cards 202 are inserted, and the limiting of the sleeve in the circumferential direction is realized by the aid of the limiting cards and the limiting grooves, so that the drill rod clamping device can rotate along with the power head; a plurality of through holes 3012 are uniformly distributed on the step shaft 3010 in the radial direction, and the steel balls 302 are installed in the through holes 3012; the inner diameter of the cutting sleeve 303 is matched with the outer diameter of the stepped shaft 3010, and the cutting sleeve 303 can be installed at the end of the stepped shaft 3010 and limited by the shoulder surface of the stepped shaft. In the embodiment, the steel balls are clamped by moving the sleeve upwards, and the drill rod is clamped by the steel balls, so that the drill rod is clamped; and in the disassembly mode, the sleeve is moved downwards, the steel balls are loosened, and the clamping force on the drill rod is removed.

Further, the drill rod clamping device 30 of this embodiment further includes a limiting ring 304, as shown in fig. 2 to fig. 5, the limiting ring 304 is detachably disposed at an end of the stepped shaft 3010 and is configured to limit the other end of the ferrule. This embodiment the spacing ring can adopt the jump ring, and the flexibility is high, and the dismouting is simple.

Preferably, a distance L1 between the limiting ring 304 and the lowest element line of the through hole 3012 is smaller than a height L3 of the ferrule 303. Such design can utilize the sleeve to block the steel ball, prevents that the steel ball from deviating from, and the steel ball inboard is spacing by the connector, prevents that the steel ball from deviating from inside.

Preferably, a distance L2 between a shoulder surface of the stepped shaft 3010 and a lowest element line of the through hole 3012 is smaller than a height L3 of the ferrule 303. Such a design can guarantee that the sleeve drives and covers the steel ball.

Preferably, the limiting groove 3011 of this embodiment includes a long groove a and a short groove B, where the short groove B is disposed on one side of the long groove a and is communicated with the long groove a. When the drill rod needs to be clamped, the sleeve is moved towards the direction of the drill rod, and the limiting clamping piece is positioned in the short groove; when the drill rod is disassembled, the sleeve is moved in the direction far away from the drill rod, and the limiting clamping piece is positioned in the long groove.

The working principle is as follows:

firstly, mounting the novel drill rod dismounting device on a drilling machine according to the figure 1;

secondly, controlling the power head to move towards the direction of the drill rod, and starting the power head when the power head is close to the drill rod (at the moment, the drill rod is fixed through the drill rod clamping device, and the drill rod clamping device is in a non-clamping state);

thirdly, the power head continues to move towards the drill rod, so that the connector is in threaded connection with the drill rod (the connection part is not in complete threaded connection), the power head is controlled to stop, the drill rod clamping device is moved upwards (the limiting clamping piece is positioned in the short groove), and the drill rod is clamped through the clamping sleeve (at the moment, the ball of the drill rod clamping device clamps the drill rod);

thirdly, loosening the drill rod clamping device, and controlling the power head to rotate to pull the drill rod out of the drill hole (to pull out a section of drill rod);

fourthly, controlling the power head to stop, and controlling the drill rod clamping device to clamp the drill rod;

and fifthly, controlling the power head to turn over to enable the drill rod to be screwed out, then loosening the drill rod clamping device, returning the drill rod clamping device (the limiting clamping piece is positioned in the long groove), and taking out the drill rod (the drill rod is not in full threaded connection with the connector, and the drill rod is easy to take down).

And sixthly, circularly disassembling the drill rods one by one.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel drilling rod is dismantled device which characterized in that: including connector, drilling rod chucking device and drilling rod clamping device, wherein:

one end of the connector is arranged in a power head of the drilling machine, and the other end of the connector is provided with a screw joint in threaded connection with the drill rod; two sides of the rod part at one end of the connector close to the screw joint are provided with limiting clamping pieces;

the drill rod clamping device is sleeved on the connector and is circumferentially limited by the limiting clamping piece;

the drill rod clamping device is arranged at the drilling hole and used for clamping a drill rod.

2. The novel drill rod disassembling device as recited in claim 1, wherein: the drill rod clamping device comprises a sleeve, a steel ball and a clamping sleeve, a step shaft is arranged on the outer wall of one end of the sleeve, a plurality of through holes are radially and uniformly distributed in the step shaft, the steel ball is mounted in the through holes, the inner diameter of the clamping sleeve is matched with the outer diameter of the step shaft, the clamping sleeve is sleeved on the step shaft, and limiting grooves for inserting limiting clamping pieces are further formed in two side walls of the other end of the sleeve.

3. The novel drill rod disassembling device as recited in claim 2, wherein: the drill rod clamping device further comprises a limiting ring, and the limiting ring is detachably arranged at the end part of the step shaft.

4. The novel drill rod disassembling device as recited in claim 3, wherein: the limiting ring adopts a clamp spring.

5. The novel drill rod disassembling device as recited in claim 3, wherein: the distance between the limiting ring and the lowest position element line of the through hole is smaller than the height of the clamping sleeve.

6. The novel drill rod disassembling device as recited in claim 2, wherein: the limiting groove comprises a long groove and a short groove, and the short groove is arranged on one side of the long groove and communicated with the long groove.

7. The novel drill rod disassembling device as recited in claim 2, wherein: the distance between the shaft shoulder surface of the step shaft and the lowest position element line of the through hole is smaller than the height of the clamping sleeve.

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