CN219061571U - Tool for sleeving and taking rope salvaging device - Google Patents

Abstract

The utility model discloses a clamping-releasing type rope fisher sleeving tool, which relates to the technical field of drilling construction devices and comprises a sleeving pipe, a fisher and a drill rod, wherein a fishing hook is arranged in the fisher; through utilizing the chuck release, triangular wedge and the overshot on the drill rod front end casing pipe, after the chuck release head passes the salvage hook, the salvage hook opens completely, and the salvage hook can block the step department between casing pipe and the chuck release head when upwards promoting the drilling tool, and the inward tightening protection overshot of triangular wedge in the casing pipe simultaneously to the problem that the overshot remained in the downthehole unable taking out has been solved.

Description

Tool for sleeving and taking rope salvaging device

Technical Field

The utility model relates to the technical field of drilling construction devices, in particular to a clamping-releasing type rope fisher sleeving tool.

Background

The rope coring technology is a technique without extracting the drill, is widely applied to core drilling construction at present, and has the characteristics of high drilling efficiency, high rock core sampling rate, safe drilling through complex stratum, low labor intensity and the like. The rope coring drill is generally composed of an inner pipe assembly, an outer pipe assembly and a fisher, wherein the inner pipe assembly and the outer pipe are combined together to form a double pipe, the outer pipe assembly comprises a spring clamping stop head, a spring clamping chamber, a reamer and a drill bit, the inner pipe assembly comprises a spearhead, a spring clamping caliper, an inner pipe, a clamping spring, an adjusting mechanism, a righting mechanism, a hanging mechanism, a single-acting mechanism, a in-place signaling mechanism, a core blocking signaling mechanism and the like, and the fisher comprises a connecting rod, a gland, a bearing, a salvaging mechanism, a safe clamping releasing mechanism and the like.

When the existing rope coring drill drills into a rock broken stratum, an inner pipe is easy to be blocked in an outer pipe by rock powder, the inner pipe cannot be lifted after a rope fisher is used for hooking a spearhead of an inner pipe assembly, a winch is forced to lift, a lifting steel wire rope is easy to break from the joint of the fisher, and the fisher cannot be taken out after being left in a drill rod.

Disclosure of Invention

The utility model aims at: the utility model provides a clamping-releasing type rope fisher sleeving tool which can solve the problem that a fisher can not be taken out when being left in a drill rod by releasing a clamping head and a triangular wedge and sleeving the fisher.

The utility model adopts the following technical scheme for realizing the purposes: the utility model provides a tool is got to clearance formula rope fisher, is including overlapping and getting pipe, fisher and drilling rod, the inside of fisher is provided with the salvage hook, the upper and lower both ends of overlapping and getting the pipe are fixedly connected with connector and clearance head respectively, the inside section view of clearance head is trapezoidal, clearance head upper end open-ended internal diameter is less than the internal diameter of overlapping and getting the pipe, a plurality of triangular holes have been seted up to the outer wall of overlapping and getting the pipe, and is a plurality of the inboard in triangular hole all is fixed with triangular wedge.

Preferably, the inner wall of the connector is provided with a screw button, and the outer wall of the drill rod is provided with a screw button matched with the screw button.

Preferably, the sleeve is made of seamless steel pipe.

Preferably, the triangular holes are distributed at intervals, and the distances between every two adjacent triangular holes are the same.

The beneficial effects of the utility model are as follows: the utility model provides a tool is got to rope latch jack cover of unbuckling, utilize the uncoupling head of being connected on the pipe is got to the cover and is got the latch jack, move down the pipe to the upper portion of latch jack through continuing the drilling rod, slowly give the clockwise rotation of pressing after the drilling rod on the drill plate organism is connected with the drilling rod of connecting the pipe is got to the drill plate, make the device pass the latch jack downwards, the triangular wedge in the pipe is forced outwards to open to the triangular hole this moment, continue slowly giving the clockwise rotation of pressing, until the uncoupling head is pressed in the latch jack bullet department, force its inwards shrink, and then the salvage hook outwards opens, thereby the latch jack breaks away from with the inner tube assembly, after the uncoupling head passes the salvage hook, the salvage hook is opened completely, salvage hook can block in the step department between pipe and the uncoupling head when upwards promoting the drilling tool, the inside triangle wedge of the pipe is inwards tightened up simultaneously and is protected the latch jack, thereby the problem that the latch jack can't be taken out in the hole has been solved.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram at A of FIG. 1;

FIG. 3 is a schematic diagram at B of FIG. 1;

FIG. 4 is a cross-sectional view of the pull tube;

FIG. 5 is a cross-sectional view of the latch.

Reference numerals: 1. a connector; 101. a nut buckle; 2. sleeving a tube; 3. triangular holes; 301. triangular wedge; 4. releasing the clamping head; 5. a fisher; 501. fishing the hook; 6. a drill rod; 601. and (5) a screw pin.

Detailed Description

The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a tool is got to clearance formula rope latch jack, including the pipe 2 of getting, latch jack 5 and drilling rod 6, the inside of latch jack 5 is provided with latch hook 501, the upper and lower both ends of pipe 2 of getting are fixedly connected with connector 1 respectively and are relieved chuck 4, the inside section view of relieving chuck 4 is trapezoidal, the inside diameter of the open-ended of relieving chuck 4 upper end is less than the inside diameter of pipe 2 of getting, a plurality of triangular holes 3 have been seted up to the outer wall of pipe 2 of getting, the inboard of a plurality of triangular holes 3 all is fixed with triangular wedge 301, the inner wall of connector 1 is provided with screw box 101, the outer wall of drilling rod 6 is provided with the screw pin 601 with screw box 101 assorted, the pipe 2 of getting adopts seamless steel pipe to make, a plurality of triangular holes 3 are the interval form and distribute, the distance between two adjacent triangular holes 3 is the same.

In this embodiment: the nut buckle 101 and the male screw buckle 601 are in threaded connection, so that the drill rod 6 is fixedly installed with the connector 1, a plurality of triangular wedges 301 are cut on the surface of a common seamless steel pipe at a certain interval during manufacturing of the sleeve pipe 2, each triangular wedge 301 is pressed into the sleeve pipe 2 at a certain angle, the unclamping head 4 is made of round steel, the inside of the unclamping head 4 is in an inverted cone shape, the section of the inside of the unclamping head is trapezoid, the upper part of the unclamping head 4 is fixedly connected with the sleeve pipe 2, the inner diameter of the opening at the upper end of the unclamping head 4 is smaller than the inner diameter of the sleeve pipe 2, a step is formed at the joint of the unclamping head 4 and the sleeve pipe 2, and the salvaging hook 501 of the salvaging device 5 is an object to be unclamped by the unclamping head 4.

The working principle and the using flow of the utility model are as follows: when in use, the screw nut 101 of the connector 1 is in threaded connection with the screw male buckle 601 of the drill rod 6, and the sleeve pipe 2 is moved down to the upper part of the fisher 5 through connecting the drill rod; the drill rod on the drill rig body is connected with the drill rod 6 connected with the casing pipe 2 and then slowly and clockwise rotates under pressure, so that the device passes through the fisher 5 downwards, and at the moment, the triangular wedge 301 in the casing pipe 2 is forced to be opened outwards of the triangular hole 3; continuously slowly pressing and rotating clockwise until the unclamping head 4 is pressed into the spring clamping part of the fisher 5, so that the unclamping head is forced to shrink inwards, further the salvaging hook 501 is opened outwards, the fisher 5 is separated from the inner tube assembly, the unclamping head 4 slowly moves after passing through the spring clamping, the salvaging hook 501 is slightly opened outwards, continuously slowly pressing and rotating clockwise downwards, and after passing through the salvaging hook 501, the salvaging hook 501 is completely opened; the drilling machine is pressed to the upper lifting drilling tool, the salvaging hook 501 is clamped at the step between the casing pipe 2 and the unclamping head 4, and meanwhile, the triangular wedge 301 in the casing pipe 2 is tightened inwards to protect the salvaging device 5, so that the situation that the salvaging device is left in a drill rod and cannot be taken out is avoided.

While the foregoing has been provided by embodiments of the present utility model with particularity, the principles and modes of carrying out the embodiments of the present utility model have been described in detail by reference to specific examples, which are merely intended to assist in understanding the principles of the embodiments of the present utility model, those skilled in the art should not be limited to the details of this utility model, since modifications in light of the principles and modes of carrying out the embodiments of the present utility model may be made by those skilled in the art.

Claims (4)

1. The utility model provides a tool is got to rope latch-type rope latch jack, is got pipe (2), latch-type latch-hook (501), its characterized in that including cover, latch-type hook (501) are provided with to the inside of latch-type latch-hook (5) and drilling rod (6): the utility model discloses a three-dimensional structure of the telescopic tube, including the upper and lower both ends of telescopic tube (2), fixedly connected with connector (1) respectively and tear-off head (4), the inside cross section of tear-off head (4) is trapezoidal, the inside diameter of tear-off head (4) upper end open-ended is less than the inside diameter of telescopic tube (2), a plurality of triangular holes (3) have been seted up to the outer wall of telescopic tube (2), a plurality of triangular holes (3) inboard all is fixed with triangular wedge (301).

2. The unclamping rope latch set tool according to claim 1, wherein: the inner wall of connector (1) is provided with screw box (101), the outer wall of drilling rod (6) is provided with screw pin (601) with screw box (101) assorted.

3. The unclamping rope latch set tool according to claim 1, wherein: the sleeve pipe (2) is made of a seamless steel pipe.

4. The unclamping rope latch set tool according to claim 1, wherein: the triangular holes (3) are distributed at intervals, and the distances between every two adjacent triangular holes (3) are the same.

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