CN220319518U - Conveniently-dropped fishing spear - Google Patents

Abstract

The utility model discloses a conveniently-dropped fishing spear, which comprises a fishing spear body, wherein rectangular grooves are formed in the left end and the right end of the side wall of the fishing spear body, a communication cavity is formed in the fishing spear body, the left end and the right end of the communication cavity are respectively communicated with the two rectangular grooves, a through hole is formed in the top wall of the communication cavity, a rotating shaft is arranged in the rectangular grooves, and inverted teeth are hinged in the rectangular grooves through the rotating shaft.

Description

Conveniently-dropped fishing spear

Technical Field

The utility model relates to the technical field of fishing spears, in particular to a conveniently-dropped fishing spear.

Background

The cable, wire rope etc. drop well often can appear in the oil field operation in-process in pit, make the condition in pit more complicated, need salvage out with the junk, prior art often adopts the fishing spear that has the pawl to salvage when salvaging the cable in the pit, the pawl on this kind of fishing spear is fixed connection with the lateral wall of fishing spear body, be the pawl downwardly moving in-process of certain angle with the fishing spear body, the cable that drives pawl bottom very easily moves down again, need remove the fishing spear body many times and adjust the position of pawl, the operation is inconvenient, and when taking off the cable from the pawl, need take off through the manual work, be inconvenient for the pawl to go up the drop of cable, for this reason, we propose a conveniently drop fishing spear.

Disclosure of Invention

The utility model aims to provide a conveniently-dropped fishing spear 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 conveniently drop spear, includes the spear body, both ends all are equipped with the rectangular channel about the lateral wall of spear body, the inside of spear body is equipped with the intercommunication chamber, both ends are linked together with two respectively about the intercommunication chamber the rectangular channel, the roof in intercommunication chamber is equipped with the through-hole, install the pivot in the rectangular channel, articulated with the pawl through the pivot in the rectangular channel, the inside wall slidable mounting of through-hole has the pole setting, both ends are all fixed mounting has the telescopic link about the lateral wall of pole setting, two the telescopic link articulates respectively in the inboard of two pawl;

the top of the vertical rod is provided with a driving mechanism.

Preferably, the inverted tooth comprises a plate body, wherein a plurality of clamping grooves are formed in the outer side face of the plate body.

Preferably, the telescopic link includes first body of rod and second body of rod, the inner welding of first body of rod is on the lateral wall of pole setting, the outer end of first body of rod is equipped with the circular slot, the inside wall outer end of circular slot is equipped with annular groove, the inside wall welding of annular groove has the ring, the lateral wall of second body of rod slides with the inside wall laminating relatively of ring, the right-hand member of second body of rod has the mounting bracket through the round pin hub connection, the mounting bracket welds the inboard at the pawl.

Preferably, the volume size of the inverted tooth is smaller than the internal space size of the rectangular groove.

Preferably, the driving mechanism comprises a hydraulic cylinder, a mounting groove is formed in the top wall of the communication cavity, the hydraulic cylinder is mounted in the mounting groove, a piston rod is arranged at the bottom end of the hydraulic cylinder, and the bottom end of the piston rod is welded with the top end of the vertical rod.

Preferably, the hydraulic cylinder is connected with an external oil circuit control device and a power supply.

Preferably, the bottom end of the fishing spear body is integrally formed with a conical part.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the rectangular groove is formed in the side wall of the spear body, the pawl is hinged in the rectangular groove, the upright rod controlled by the driving mechanism is arranged in the spear body, the telescopic rod is arranged on the side wall of the upright rod, the telescopic section of the telescopic rod is hinged on the pawl, when the spear body moves downwards into the shaft, the pawl is positioned in the rectangular groove, and further, the pawl is prevented from driving the cable to move downwards, so that the spear body smoothly passes through the range formed by the cable in the shaft, the pawl is driven to overturn by the telescopic rod, the pawl is enabled to overturn below the cable, and after the spear body drives the cable to move and separate from the shaft, the pawl enters the rectangular groove through the downward movement of the upright rod, so that the cable on the pawl falls off and is automatically separated from the spear body.

Drawings

Fig. 1 is an overall schematic of the present utility model.

FIG. 2 is a schematic diagram of the present utility model at a.

Fig. 3 is a schematic view of a driving mechanism according to the present utility model.

Fig. 4 is a schematic view of the telescopic rod of the present utility model.

In the figure: 1. the fishing spear comprises a fishing spear body, 2, a rectangular groove, 3, a communication cavity, 4, a through hole, 5, a rotating shaft, 6, inverted teeth, 7, a vertical rod, 8, a telescopic rod, 9, a driving mechanism, 10, a plate body, 11, a clamping groove, 12, a first rod body, 13, a circular groove, 14, an annular groove, 15, a circular ring, 16, a second rod body, 17, a mounting rack, 18, a hydraulic cylinder, 19, a piston rod, 20, a mounting groove, 21 and a conical part.

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, 2, 3 and 4, the present utility model provides a technical solution: the utility model provides a conveniently drop spear, including spear body 1, both ends all are equipped with rectangular channel 2 about the lateral wall of spear body 1, the inside of spear body 1 is equipped with intercommunication chamber 3, both ends are linked together with two rectangular channel 2 respectively about intercommunication chamber 3, the roof of intercommunication chamber 3 is equipped with through-hole 4, install pivot 5 in the rectangular channel 2, articulated through pivot 5 in the rectangular channel 2 has pawl 6, the inside wall slidable mounting of through-hole 4 has pole setting 7, both ends are all fixed mounting telescopic link 8 about the lateral wall of pole setting 7, the telescopic link of two telescopic links 8 articulates the inboard at two pawl 6 respectively;

the top end of the upright rod 7 is provided with a driving mechanism 9.

The driving mechanism 9 is used for driving the vertical rod 7 to move up and down.

As shown in fig. 2, when the upright rod 7 moves upwards, the telescopic rod 8 is driven to move upwards, and the inverted tooth 6 is driven to turn over along the rotating shaft 5 until the inverted tooth 6 is in a horizontal state because the telescopic rod of the telescopic rod 8 can only move upwards.

Specifically, the inverted tooth 6 includes a plate body 10, and a plurality of clamping grooves 11 are provided on an outer side surface of the plate body 10.

The inner width (the upper and lower length in fig. 3) of the clamping groove 11 is matched with the cable diameter to be salvaged, and when one section of the cable is clamped in the clamping groove 11, the stabilizing effect of the inverted tooth 6 and the cable can be increased.

Specifically, the telescopic rod 8 comprises a first rod body 12 and a second rod body 16, wherein the inner end of the first rod body 12 is welded on the side wall of the vertical rod 7, the outer end of the first rod body 12 is provided with a circular groove 13, the outer end of the inner side wall of the circular groove 13 is provided with an annular groove 14, the inner side wall of the annular groove 14 is welded with a circular ring 15, the side wall of the second rod body 16 and the inner side wall of the circular ring 15 are relatively attached and slide, the right end of the second rod body 16 is connected with a mounting rack 17 through a pin shaft, and the mounting rack 17 is welded on the inner side of the inverted tooth 6.

The side wall of the second rod body 16 in the traditional telescopic rod 8 can be directly attached to the inner side wall of the circular groove 13 relatively and slide, the contact area is large, the friction effect is large, the abrasion of the contact surface is large, the service life is reduced, and the contact area of the sliding surface can be reduced through the inner side wall of the circular ring 15 and the inner side wall of the prototype 13.

Specifically, the size of the volume of the inverted tooth 6 is smaller than the size of the internal space of the rectangular groove 2.

Specifically, the driving mechanism 9 comprises a hydraulic cylinder 18, a mounting groove 20 is formed in the top wall of the communication cavity 3, the hydraulic cylinder 18 is mounted in the mounting groove 20, a piston rod 19 is arranged at the bottom end of the hydraulic cylinder 18, and the bottom end of the piston rod 19 is welded with the top end of the vertical rod 7.

Specifically, an external oil passage control device and a power supply are connected to the hydraulic cylinder 18.

Specifically, the bottom end of the spear body 1 is integrally formed with a tapered portion 21.

The conical surface 21 is arranged to enable the bottom end of the fishing spear body 1 to be pointed, so that the cable is prevented from moving downwards again when the bottom end of the fishing spear body 1 is in a plane shape and moves downwards.

Working principle: the top of the fishing spear body 1 is connected with an oil well pipe column through a joint, the pipe column drives the fishing spear body 1 to move downwards, the inverted tooth 6 is located in the rectangular groove 2, the inverted tooth 6 is further prevented from driving the cable to move downwards, the fishing spear body 1 smoothly passes through the range formed by the underground cable, the vertical rod 7 is driven to move upwards through the hydraulic cylinder 18, the telescopic rod 8 can be driven to move upwards, the inverted tooth 6 can be driven to overturn along the rotating shaft 5 until the inverted tooth 6 is in a horizontal state, the inverted tooth 6 is overturned to the lower side of the cable, the fishing spear body 1 drives the cable to move away from the shaft, and then the inverted tooth 6 can enter the rectangular groove 8 through the downward movement of the vertical rod 7, so that the cable on the inverted tooth 6 falls down to automatically separate from the fishing spear body 1.

The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; also, unless expressly specified and limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims (7)

1. The utility model provides a conveniently drop's spear which characterized in that: the fishing spear comprises a fishing spear body (1), rectangular grooves (2) are formed in the left end and the right end of the side wall of the fishing spear body (1), a communication cavity (3) is formed in the fishing spear body (1), the left end and the right end of the communication cavity (3) are respectively communicated with the two rectangular grooves (2), a through hole (4) is formed in the top wall of the communication cavity (3), a rotating shaft (5) is arranged in the rectangular grooves (2), inverted teeth (6) are hinged in the rectangular grooves (2) through the rotating shaft (5), vertical rods (7) are slidably mounted in the inner side walls of the through holes (4), telescopic rods (8) are fixedly mounted in the left end and the right end of the side wall of each vertical rod (7), and the telescopic rods of the two telescopic rods (8) are respectively hinged to the inner sides of the two inverted teeth (6);

the top end of the vertical rod (7) is provided with a driving mechanism (9).

2. The easy-to-break spear according to claim 1, wherein: the inverted tooth (6) comprises a plate body (10), wherein a plurality of clamping grooves (11) are formed in the outer side face of the plate body (10).

3. The easy-to-break spear according to claim 1, wherein: the telescopic rod (8) comprises a first rod body (12) and a second rod body (16), wherein the inner end of the first rod body (12) is welded on the side wall of the vertical rod (7), the outer end of the first rod body (12) is provided with a circular groove (13), the outer end of the inner side wall of the circular groove (13) is provided with an annular groove (14), the inner side wall of the annular groove (14) is welded with a circular ring (15), the side wall of the second rod body (16) is relatively attached and slides with the inner side wall of the circular ring (15), the right end of the second rod body (16) is connected with a mounting rack (17) through a pin shaft, and the mounting rack (17) is welded on the inner side of the inverted tooth (6).

4. The easy-to-break spear according to claim 1, wherein: the size of the volume of the inverted tooth (6) is smaller than the size of the inner space of the rectangular groove (2).

5. The easy-to-break spear according to claim 1, wherein: the driving mechanism (9) comprises a hydraulic cylinder (18), a mounting groove (20) is formed in the top wall of the communication cavity (3), the hydraulic cylinder (18) is mounted in the mounting groove (20), a piston rod (19) is arranged at the bottom end of the hydraulic cylinder (18), and the bottom end of the piston rod (19) is welded with the top end of the vertical rod (7).

6. The easy-to-break spear according to claim 5, wherein: the hydraulic cylinder (18) is connected with an external oil circuit control device and a power supply.

7. The easy-to-break spear according to claim 1, wherein: the bottom end of the spear body (1) is integrally formed with a conical part (21).