CN214303753U

CN214303753U - Fishing device for underground overhaul

Info

Publication number: CN214303753U
Application number: CN202120200686.4U
Authority: CN
Inventors: 钱海波; 金刚; 张玉波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-09-28
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a salvage device for overhaul in pit, the large-scale motor assembly jig comprises an installation box, the installation box inner wall passes through the screw fixation and has the mounting panel, mounting panel top outer wall passes through the screw fixation and has the cylinder, the cylinder output has support one through the screw fixation, the installation box both sides inner wall has same guide pillar through the screw fixation, guide pillar circumference outer wall sliding connection has two carriage one, two carriage one inner wall all rotates and is connected with connecting rod two, two connecting rod one end all rotates and connects in support one inner wall, two carriage one bottom outer wall all has arc two through the screw fixation. The utility model discloses a be provided with the connecting rod and can drive the install bin and move down to the salvage place when the pivoted, can control its output rebound through being provided with the cylinder, can make support one rebound, two connecting rods two drive two carriage one and carry out relative motion along guide pillar circumference outer wall under the removal of support one.

Description

Fishing device for underground overhaul

Technical Field

The utility model relates to a fishing device technical field especially relates to a fishing device is used in overhaul in pit.

Background

In the prior art, in the process of exploiting petroleum, a petroleum well needs to be drilled, in the drilling process, a drill rod is easy to break due to the occurrence of drilling clamping and other conditions, and meanwhile, tools such as a rope and the like are easy to drop in the process of maintaining the petroleum well, so that a fishing device needs to be designed, and the drill rod, the rope and the like which are broken in the well can be effectively fished.

Through retrieval, the patent with the Chinese patent application number of CN2019216990343. X discloses a fishing device for an oil field underground, which comprises a fishing machine body, a magnetic fishing mechanism, a telescopic fishing mechanism and a hydraulic mechanism; the upper end of the salvaging machine body is fixedly connected with a threaded joint, the upper side of the salvaging machine body is provided with a circular slot hole, and the lower side of the salvaging machine body is provided with a salvaging sleeve; the fishing sleeve outer wall circumference equipartition rigid coupling has magnetic force fishing mechanism, and inside is provided with flexible fishing mechanism.

One of the oil field is fishing device for in pit in above-mentioned patent has following not enough: in the process of salvaging, when the drill rod needs to be salvaged, the salvaging claw cannot guarantee the stability of clamping the drill rod, so that the salvaging success rate is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the in-process of salvaging that exists among the prior art, when needs salvage the drilling rod, salvage the unable stability of guaranteeing the drilling rod centre gripping of claw, make the lower shortcoming of success rate of salvaging, and the fishing device is used in overhaul in the pit that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a salvage device for overhaul in pit, includes the install bin, the install bin inner wall has the mounting panel through the screw fixation, the install bin top outer wall has the cylinder through the screw fixation, the cylinder output has support one through the screw fixation, the install bin both sides inner wall has same guide pillar through the screw fixation, guide pillar circumference outer wall sliding connection has two carriage one, two carriage one inner wall all rotates and is connected with connecting rod two, two one end of connecting rod all rotates and connects in support one inner wall, two carriage one bottom outer wall all has arc two through the screw fixation, install bin top outer wall is fixed with the connecting rod.

As a further aspect of the present invention: the outer walls of two sides of the first support are both provided with connecting columns through screws, and the inner wall of one side of each connecting column is provided with a second same support through screws.

As a further aspect of the present invention: the inner wall of the second support is rotatably connected with a first connecting rod through a rotating shaft, one end, far away from the second support, of the first connecting rod is rotatably connected with a second sliding frame through a rotating shaft, and the inner wall of the second sliding frame is slidably connected with a same prismatic containing column.

As a further aspect of the present invention: the prismatic containing column is characterized in that two springs are connected to the outer wall of the circumference of the prismatic containing column in a sliding mode, and two ends of each spring are respectively clamped to the inner wall of one side of the prismatic containing column and the outer wall of the second side of the sliding frame.

As a further aspect of the present invention: two the outer wall of two tops of carriage all is through the screw fixation have a flexible spring post one, two the outer wall of one side of flexible spring post all is through the screw fixation have an arc one, the outer wall of prism holding post both sides all is through the screw fixation have a flexible spring post two, two the outer wall of two one side of flexible spring post all is through the screw fixation have an arc three.

As a further aspect of the present invention: more than two friction blocks are welded on the outer wall of the first arc face of the arc plate, the inner wall of the second arc face of the arc plate and the outer wall of the third arc face of the arc plate.

As a further aspect of the present invention: the outer wall of the bottom of the second support is connected with a fixed column through threads, and the outer wall of the circumference of the fixed column is fixed with more than two notch discs through screws.

Compared with the prior art, the utility model provides a fishing device is used in overhaul in pit possesses following beneficial effect:

1. can drive the install bin through being provided with the connecting rod and remove to salvage the place downwards in the pivoted, can control its output rebound through being provided with the cylinder, thereby can make support one rebound, two connecting rods two can drive two carriages one and carry out relative motion along guide pillar circumference outer wall under the removal of support one, thereby can utilize two cambered surface inner walls of arc to carry out the centre gripping fixed to drilling rod circumference outer wall, thereby be convenient for follow-up salvage the drilling rod, the cylinder connects the gas end can improve the pipeline and is connected with the air supply on ground, thereby guarantee that the cylinder output can remove support one.

2. Two three arc plates are located the below for two three arc plates enter into drilling rod circumference inner wall gradually at the in-process that removes, simultaneously because two three bottoms of arc plates are the slant structure, thereby can reduce the degree of difficulty that removes drilling rod circumference inner wall, two three arc plates are after entering into the drilling rod, because the elastic action of two expansion spring post two, make two arc plate three-dimensional both sides expand under the elastic action of expansion spring post two, thereby make two three arc outer walls of arc plate produce the extrusion force to drilling rod circumference inner wall.

3. The connecting rod continues to move in the drilling rod, make two arcs one enter into drilling rod circumference inner wall gradually, arc one bottom and three bottom structures of arc are the same, can guarantee that the clutch blocks enter into drilling rod circumference inner wall smoothly at the in-process that removes, simultaneously because the elastic action of flexible spring post one, can make two arcs one produce the extrusion force to drilling rod circumference inner wall after entering into the drilling rod, after moving on its output of cylinder control, can make the spliced pole drive support two and move on, thereby can make two carriages two move to both sides under the drive of connecting rod one, thereby can make two flexible spring post one further compressed, make two arcs one can better extrude drilling rod circumference inner wall, guarantee to carry out fixed stability to the drilling rod.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic view of the overall structure of a fishing device for underground overhaul provided by the present invention;

FIG. 2 is a schematic view of an overall structure of a fishing assembly of the fishing device for underground overhaul provided by the present invention;

FIG. 3 is a schematic view of the overall structure of a fishing assembly II of the fishing device for underground overhaul provided by the present invention;

fig. 4 is the schematic view of the three structures of the fishing assembly of the fishing device for underground overhaul provided by the utility model.

In the figure: 1-installation box, 2-connecting rod, 3-cylinder, 4-installation plate, 5-bracket I, 6-sliding bracket I, 7-sliding bracket II, 8-fixed column, 9-connecting column, 10-guide column, 11-telescopic spring column I, 12-arc plate I, 13-connecting rod I, 14-bracket II, 15-prismatic containing column, 16-friction block, 17-arc plate II, 18-connecting rod II, 19-notch disc, 20-telescopic spring column II, 21-arc plate III and 22-spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A fishing device for underground overhaul comprises an installation box 1, wherein an installation plate 4 is fixed on the inner wall of the installation box 1 through screws, an air cylinder 3 is fixed on the outer wall of the top of the installation plate 4 through screws, a first support 5 is fixed at the output end of the air cylinder 3 through screws, the inner walls of two sides of the installation box 1 are fixed with the same guide pillar 10 through screws, the outer wall of the circumference of the guide pillar 10 is connected with two sliding frames I6 in a sliding mode, the inner walls of the two sliding frames I6 are connected with second connecting rods 18 in a rotating mode, one end of each of the two second connecting rods 18 is connected to the inner wall of the first support 5 in a rotating mode, the outer wall of the bottom of each sliding frame I6 is fixed with a second arc-shaped plate 17 through screws, and the outer wall of the top of the installation box 1 is fixed with a connecting rod 2; when needs salvage the drilling rod, can drive install bin 1 downstream to salvage the place in the pivoted through being provided with connecting rod 2, can control its output rebound through being provided with cylinder 3, thereby can make support one 5 upstroke, two connecting rods two 18 can drive two carriage 6 and carry out relative motion along guide pillar 10 circumference outer wall under the removal of support one 5, thereby can utilize two arc panels two 17 cambered surface inner walls to carry out the centre gripping fixed to drilling rod circumference outer wall, thereby be convenient for follow-up salvage the drilling rod, cylinder 3 connects the gas end can improve the pipeline and is connected with the air supply on ground, thereby guarantee that cylinder 3 output can remove support one 5.

In order to fix the circumferential inner wall of the drill rod, as shown in fig. 1-3, the outer walls of two sides of the first bracket 5 are both fixed with connecting columns 9 through screws, the inner wall of one side of each of the two connecting columns 9 is fixed with the same second bracket 14 through screws, the inner wall of the second bracket 14 is rotatably connected with two first connecting rods 13 through rotating shafts, one ends of the two first connecting rods 13, which are far away from the second bracket 14, are both rotatably connected with a second sliding bracket 7 through rotating shafts, the inner walls of the two second sliding brackets 7 are slidably connected with the same prismatic accommodating column 15, the circumferential outer wall of the prismatic accommodating column 15 is slidably connected with two springs 22, two ends of each spring 22 are respectively clamped on the inner wall of one side of the prismatic accommodating column 15 and the outer wall of one side of the second sliding bracket 7, the outer walls of the tops of the two sliding brackets 7 are both fixed with first telescopic spring columns 11 through screws, and the outer walls of one side of the two telescopic spring columns 11 are both fixed with first arc plates 12 through screws, the outer walls of two sides of the prismatic containing column 15 are both fixed with a second telescopic spring column 20 through screws, and the outer walls of one side of the second telescopic spring columns 20 are both fixed with a third arc-shaped plate 21 through screws; when a drill rod is broken, in the process that the connecting rod 2 drives the installation box 1 to move downwards, the two arc plates three 21 are positioned below, so that the two arc plates three 21 gradually enter the circumferential inner wall of the drill rod in the moving process, meanwhile, the bottoms of the two arc plates three 21 are both in an inclined structure, the difficulty of moving to the circumferential inner wall of the drill rod can be reduced, after the two arc plates three 21 enter the drill rod, the two arc plates three 21 are expanded towards two sides under the elastic action of the two telescopic spring columns two 20 due to the elastic action of the two telescopic spring columns two 20, so that the outer arc walls of the two arc plates three 21 generate extrusion force on the circumferential inner wall of the drill rod, along with the continuous movement of the connecting rod 2, the two arc plates one 12 gradually enter the circumferential inner wall of the drill rod, the bottoms of the arc plates one 12 are identical in structure with the bottoms of the arc plates three 21, and the friction block 16 can be ensured to smoothly enter the circumferential inner wall of the drill rod in the moving process, meanwhile, due to the elastic action of the first telescopic spring columns 11, the two arc-shaped plates 12 can generate extrusion force on the circumferential inner wall of the drill rod after entering the drill rod, after the output end of the first telescopic spring columns is controlled to move upwards by the air cylinder 3, the connecting column 9 can drive the second bracket 14 to move upwards, so that the two sliding frames 7 can move towards two sides under the driving of the first connecting rod 13, the two telescopic spring columns 11 can be further compressed, the two arc-shaped plates 12 can better extrude the circumferential inner wall of the drill rod, the stability of fixing the drill rod is ensured, the two springs 22 are compressed in the moving process of the two telescopic spring columns 11, the circumferential outer wall of the prismatic accommodating column 15 is of a prismatic structure, the prismatic accommodating column 15 can be effectively prevented from sliding and rotating along the two sliding frames 7, the stability is ensured, and the two arc-shaped plates 12 and the two sliding frames 7 are utilized, The two arc plates 17 and the two arc plates 21 can play a triple fixation role on the drill rod, so that the fishing success rate can be improved.

In order to further improve the fishing stability, as shown in fig. 1-3, more than two friction blocks 16 are welded on the outer wall of the cambered surface of the first arc plate 12, the inner wall of the cambered surface of the second arc plate 17 and the outer wall of the cambered surface of the third arc plate 21; the friction force during the fixing of the drill rod can be increased by providing the friction block 16, so that the stability during the fixing can be further improved.

In order to facilitate the fishing of irregular articles such as ropes and the like, as shown in fig. 1 and 4, the outer wall of the bottom of the second bracket 14 is connected with a fixed column 8 through threads, and more than two notch discs 19 are fixed on the outer wall of the circumference of the fixed column 8 through screws; can be when salvaging the rope through being provided with breach dish 19, utilize breach dish 19's rotation to twine the rope to can salvage the rope, be provided with the breach on the breach dish 19, can improve and carry out winding stability to the rope, utilize threaded connection to be convenient for dismantle and install fixed column 8 in two 14 bottoms of support with fixed column 8 simultaneously.

The working principle is as follows: when a drill rod needs to be salvaged due to breakage, firstly, the connecting rod 2 is deeply inserted into a drilling well by using the driving device, so that the installation box 1 can be rotated in the downward moving process, after the installation box 1 is moved to the position of the drill rod, the two arc plates three 21 positioned at the bottom enter the inside of the drill rod under the action of the bottom inclined planes of the two arc plates three, the two arc plates three 21 can continuously move downwards while extruding the circumferential inner wall of the drill rod due to the self elastic action of the two telescopic spring columns two 20, then the two arc plates one 12 enter the inside of the drill rod, the outer walls of the two arc plates one 12 generate extrusion force on the circumferential inner wall of the drill rod under the elastic action of the two telescopic spring columns one 11, after the two arc plates two 17 move to the two sides of the drill rod, then the output end of the air cylinder 3 is controlled to move upwards, so that the two connecting rods two sliding frames one 18 drive the two sliding frames one 6 to move along the circumferential outer walls of the guide columns 10, so that the two arc plates 17 can clamp and fix the circumferential outer wall of the drill rod, the connecting column 9 moves synchronously in the process of moving the bracket 5 upwards, because the outer walls of the three 21 cambered surfaces of the two cambered plates are pressed on the circumferential inner wall of the drill rod, a supporting point is obtained, so that the two sliding frames 7 can move towards two sides along the outer circumferential wall of the prismatic containing column 15 under the limiting action of the spring 22, thereby further compressing the telescopic spring column 11, thereby improving the extrusion force of the two arc-shaped plates (12) on the circumferential inner wall of the drill rod, ensuring the stability in the process of lifting the drill rod, when irregular articles such as ropes and the like need to be salvaged, the fixing column 8 is connected with the outer wall of the bottom of the second bracket 14 through threads, so that the notch disc 19 winds the rope in the rotating process, and the rope can be salvaged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fishing device for underground overhaul comprises a mounting box (1) and is characterized in that, the inner wall of the mounting box (1) is fixed with a mounting plate (4) through screws, the outer wall of the top of the mounting plate (4) is fixed with a cylinder (3) through screws, the output end of the cylinder (3) is fixed with a first bracket (5) through screws, the inner walls of the two sides of the mounting box (1) are fixed with the same guide post (10) through screws, guide pillar (10) circumference outer wall sliding connection has two carriage (6), two carriage (6) inner wall all rotates and is connected with connecting rod two (18), two connecting rod two (18) one end all rotates and connects in support (5) inner wall, two carriage (6) bottom outer wall all has arc two (17) through the screw fixation, install bin (1) top outer wall is fixed with connecting rod (2).

2. A fishing device for underground overhaul according to claim 1, wherein the outer walls of the two sides of the first bracket (5) are both fixed with connecting columns (9) through screws, and the inner wall of one side of each of the two connecting columns (9) is fixed with the same second bracket (14) through screws.

3. A fishing device for underground overhaul according to claim 2, wherein the inner wall of the second bracket (14) is rotatably connected with two first connecting rods (13) through a rotating shaft, one ends of the two first connecting rods (13) far away from the second bracket (14) are rotatably connected with a second sliding frame (7) through a rotating shaft, and the inner walls of the two second sliding frames (7) are slidably connected with the same prismatic accommodating column (15).

4. A fishing device for underground overhaul according to claim 3, wherein two springs (22) are slidably connected to the outer circumferential wall of the prismatic accommodating column (15), and two ends of each spring (22) are respectively clamped to the inner wall of one side of the prismatic accommodating column (15) and the outer wall of one side of the sliding frame II (7).

5. A fishing device for underground overhaul according to claim 4, wherein the top outer walls of the two sliding frames (7) are both fixed with a first telescopic spring column (11) through screws, the outer walls of one side of the two first telescopic spring columns (11) are both fixed with a first arc plate (12) through screws, the outer walls of two sides of the prismatic accommodating column (15) are both fixed with a second telescopic spring column (20) through screws, and the outer walls of one side of the two second telescopic spring columns (20) are both fixed with a third arc plate (21) through screws.

6. A fishing device for underground overhaul according to claim 5, wherein more than two friction blocks (16) are welded on the outer cambered surface of the first arc plate (12), the inner cambered surface of the second arc plate (17) and the outer cambered surface of the third arc plate (21).

7. A fishing device for underground overhaul according to claim 6, wherein the outer wall of the bottom of the second bracket (14) is connected with a fixing column (8) through a thread, and more than two notch discs (19) are fixed on the outer wall of the circumference of the fixing column (8) through screws.