CN221346850U - Underground milling and fishing tool - Google Patents

Abstract

The utility model relates to the field of milling and salvaging, in particular to a downhole milling and salvaging tool. The utility model provides an underground milling and salvaging tool capable of integrating polishing and salvaging, which comprises a shell, a milling block, an electric telescopic rod, a wedge block and the like, wherein the shell is provided with a milling head; a plurality of milling blocks are circumferentially arranged at the lower part of the shell, electric telescopic rods are arranged at the left side and the right side of the middle part of the shell, and wedge-shaped blocks are arranged between push rods of the two electric telescopic rods. According to the utility model, the shell is stretched into the milling tool, then the two electric telescopic rods are started, the wedge blocks are downwards extruded by the electric telescopic rods, the upper ends of the clamping blocks are outwards expanded by the wedge blocks, the first springs are stretched by inward rotation of the lower ends of the clamping blocks, the milling tool is extruded by inward rotation of the lower ends of the clamping blocks, the milling tool is cut by the clamping blocks along with rotation of the shell, and then the milling tool is pulled up, so that milling and lifting can be realized without replacing a plurality of drill bits.

Description

Underground milling and fishing tool

Technical Field

The utility model relates to the field of milling and salvaging, in particular to a downhole milling and salvaging tool.

Background

The fish is that after accidents such as drilling tool breaking, drilling sticking and the like happen to drilling tools, the drilling tools fall into or fall into underground drilling tool parts in the processing process, at present, the fish falling condition of an oil and gas well in the production, measure, well repair and other operation processes is complex, the complex fish leads to invalid operation caused by easy falling of the falling objects when the falling objects are salvaged, and therefore the labor capacity of operators is increased, and the working efficiency is reduced.

The existing milling and fishing tool is required to polish and level the drill bit clamped in the well, then the overshot needs to be replaced, the drill bit is fished, and the repeated replacement of the polishing head and the overshot needs longer time, so that the working efficiency is also affected.

It is therefore desirable to design a downhole milling and fishing tool that is capable of integrating milling and fishing.

Disclosure of utility model

The utility model provides an underground milling and fishing tool capable of integrating milling and fishing in order to overcome the defects that the working time is influenced and the working time is troublesome because a milling head and a fishing barrel are required to be replaced repeatedly in the conventional milling and fishing device.

The technical scheme of the utility model is as follows: the utility model provides a milling fishing tool in pit, including casing, milling piece, electric telescopic handle, wedge, clamp block and first spring, a plurality of milling pieces are installed to the lower part circumference of casing, electric telescopic handle is all installed to the middle part left and right sides of casing, installs the wedge between the push rod of two electric telescopic handle, and the inside of casing uses the casing as fulcrum circumference rotation to be equipped with a plurality of clamp blocks, and first spring is all installed to the lower extreme of every clamp block, and the both ends of first spring are connected respectively on casing and clamp block, and clamp block is in the below of wedge.

Further, still including fixed plate, the motor, first gear, the second gear, the installation piece, the slider, connecting rod and pulley, the fixed plate is installed to the inside upside of casing, the motor is installed to the inside front side of casing, be connected with first gear on the output shaft of motor, the second gear is installed to the inside upper end rotation type of casing, the downside of second gear is connected with the installation piece, the spout has all been seted up to the left and right sides of fixed plate, the inboard of two spouts is all slidingtype and is equipped with the slider, the connecting rod is installed to the adjacent one end of two sliders, the pulley is installed to the one end rotation type that the slider was kept away from to two connecting rods.

Further, still including grip block, connecting block and second spring, the slide rail has all been seted up to the upper portion left and right sides of casing, and all slidingtype is equipped with the connecting block on two slide rails, installs the second spring on two slide rails, and the grip block is installed to the both ends of second spring on casing and connecting block respectively, the one end that the second spring was kept away from to the connecting block.

Further, the water tank, the water pump and the sprinkler are also included, the water tank is installed on the front side of the lower part of the shell, the water pump is installed in the water tank, and the sprinkler is connected to the water outlet of the water pump.

Further, the number of the electric telescopic rods is two.

Further, the lower end of the clamping block is wedge-shaped.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the shell is stretched into the milling tool, then the two electric telescopic rods are started, the wedge blocks are downwards extruded by the electric telescopic rods, the upper ends of the clamping blocks are outwards expanded by the wedge blocks, the first springs are stretched by inward rotation of the lower ends of the clamping blocks, the milling tool is extruded by inward rotation of the lower ends of the clamping blocks, the milling tool is cut by the clamping blocks along with rotation of the shell, and then the milling tool is pulled up, so that milling and lifting can be realized without replacing a plurality of drill bits.

2. According to the utility model, the motor is started, the output shaft of the motor drives the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the mounting block to rotate, the mounting block rotates to drive the sliding block, the connecting rod and the pulleys to move outwards, and when the two pulleys are contacted with the hole, the larger hole can be supported, and the drill bits with different calibers do not need to be replaced.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective sectional structure of the present utility model.

FIG. 3 is a schematic perspective sectional view of the wedge block, clamp block and spring of the present utility model.

Fig. 4 is a schematic perspective sectional structure of the motor and the first gear of the present utility model.

Fig. 5 is a schematic perspective sectional structure of the sliding block, the connecting rod, the pulley and other parts of the utility model.

Fig. 6 is a schematic perspective sectional structure of the parts such as the clamping block and the connecting block of the present utility model.

Fig. 7 is a schematic perspective sectional structure of parts such as a water tank of the present utility model.

Fig. 8 is a schematic perspective sectional structure of parts such as a water pump and a sprinkler of the present utility model.

Part names and serial numbers in the figure: 1_housing, 101_fixed plate, 2_milling block, 3_electric telescopic rod, 4_wedge block, 5_clamping block, 6_first spring, 7_motor, 8_first gear, 9_second gear, 10_mounting block, 11_slider, 12_connecting rod, 13_pulley, 14_clamping block, 15_connecting block, 16_second spring, 17_water tank, 18_water pump, 19_sprinkler.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

Example 1

The utility model provides a milling fishing tool in pit, as shown in fig. 1-8, including casing 1, milling piece 2, electric telescopic handle 3, wedge 4, clamp block 5 and first spring 6, a plurality of milling pieces 2 are installed to the lower part circumference of casing 1, the quantity of milling piece 2 is four, the middle part left and right sides of casing 1 all fixed mounting has electric telescopic handle 3, fixed mounting has wedge 4 between the push rod of two electric telescopic handle 3, the inside of casing 1 uses casing 1 as fulcrum circumference rotation to be equipped with a plurality of clamp blocks 5, the quantity of clamp block 5 is three, first spring 6 is all installed to the lower extreme of every clamp block 5, the both ends of first spring 6 are connected respectively on casing 1 and clamp block 5, clamp block 5 is in the below of wedge 4.

When the milling tool needs to be salvaged, the milling tool is firstly installed in a well excavator, then a worker starts a grinding head to grind the milling tool, when the milling tool is ground to be flat, the shell 1 stretches into the milling tool, then two electric telescopic rods 3 are started, the electric telescopic rods 3 can press the wedge blocks 4 downwards, the wedge blocks 4 can expand the upper ends of the clamping blocks 5 outwards, the lower ends of the clamping blocks 5 rotate inwards to stretch the first springs 6, the lower ends of the clamping blocks 5 rotate inwards to squeeze the milling tool, the clamping blocks 5 can cut the milling tool along with the rotation of the shell 1, then the milling tool is pulled up, after the milling tool is salvaged, the electric telescopic rods 3 are closed, the push rods of the electric telescopic rods 3 shrink, the wedge blocks 4 move upwards when the wedge blocks 4 move upwards, the first springs 6 reset, and the clamping blocks 5 reset under the action of the first springs 6.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the utility model further comprises a fixing plate 101, a motor 7, a first gear 8, a second gear 9, a mounting block 10, a slide block 11, a connecting rod 12 and a pulley 13, wherein the fixing plate 101 is welded on the upper side of the interior of the shell 1, the motor 7 is fixedly installed on the front side of the interior of the shell 1, the first gear 8 is connected on the output shaft of the motor 7, the second gear 9 is rotatably installed on the upper end of the interior of the shell 1, the mounting block 10 is fixedly installed on the lower side of the second gear 9, sliding grooves are respectively formed in the left side and the right side of the mounting block 10, sliding grooves are respectively formed in the left side and the right side of the fixing plate 101, the sliding blocks 11 are respectively arranged on the inner sides of the two sliding grooves, the connecting rods 12 are installed at one ends adjacent to the two sliding blocks 11, and the pulley 13 is rotatably installed at one end of the two connecting rods 12 far away from the sliding blocks 11.

When the entrance to a cave of well is bigger than casing 1, start motor 7, motor 7's output shaft drives first gear 8 and rotates, and first gear 8 rotates and can drive second gear 9 and rotate, and second gear 9 rotates and can drive installation piece 10 and rotate, and installation piece 10 rotates and can drive slider 11, connecting rod 12 and pulley 13 and can outwards remove along the spout on fixed plate 101 and the installation piece 10, and when two pulley 13 all contacted with the entrance to a cave, so alright have a support to bigger entrance to a cave.

The grinding and milling device is characterized by further comprising a clamping block 14, a connecting block 15, a second spring 16, a water tank 17, a water pump 18 and a sprayer 19, wherein sliding rails are respectively arranged on the left side and the right side of the upper portion of the shell 1, the connecting block 15 is respectively arranged on the two sliding rails in a sliding mode, the second spring 16 is arranged on the two sliding rails, two ends of the second spring 16 are respectively connected to the shell 1 and the connecting block 15, the clamping block 14 used for clamping a grinding and milling tool is arranged at one end, far away from the second spring 16, of the connecting block 15, the lower end of the clamping block 14 is wedge-shaped, the water tank 17 is fixedly arranged at the front side of the lower portion of the shell 1, the water pump 18 is fixedly arranged in the water tank 17, the sprayer 19 is connected to a water outlet of the water pump 18, and the sprayer 19 winds the inside of the shell 1.

When the rod of the milling tool is small, the milling tool will press the two clamping blocks 14 and the connecting block 15 to the outside, so that the two second springs 16 are compressed, when the clamping block 5 is cut too hot, the water pump 18 is started, the water pump 18 will pump the water in the water tank 17 into the sprinkler 19, the sprinkler 19 will spray the water onto the clamping block 5, and the clamping block 5 is cooled.

The technical principles of the embodiments of the present utility model are described above in connection with specific embodiments. The description is only intended to explain the principles of the embodiments of the utility model and should not be taken in any way as limiting the scope of the embodiments of the utility model. Based on the explanations herein, those skilled in the art will recognize other embodiments of the present utility model without undue burden, and those ways that are within the scope of the present utility model.

Claims (6)

1. The utility model provides a milling fishing tool in pit, a serial communication port, including casing (1), milling piece (2), electric telescopic handle (3), wedge (4), clamp block (5) and first spring (6), a plurality of milling pieces (2) are installed to the lower part circumference of casing (1), electric telescopic handle (3) are all installed to the middle part left and right sides of casing (1), install wedge (4) between the push rod of two electric telescopic handle (3), the inside of casing (1) uses casing (1) as fulcrum circumference rotation to be equipped with a plurality of clamp blocks (5), first spring (6) are all installed to the lower extreme of every clamp block (5), connect respectively on casing (1) and clamp block (5) at the both ends of first spring (6), clamp block (5) are in the below of wedge (4).

2. The downhole milling and fishing tool according to claim 1, further comprising a fixing plate (101), a motor (7), a first gear (8), a second gear (9), a mounting block (10), a sliding block (11), a connecting rod (12) and a pulley (13), wherein the fixing plate (101) is mounted on the upper side of the inside of the shell (1), the motor (7) is mounted on the front side of the inside of the shell (1), the first gear (8) is connected to an output shaft of the motor (7), the second gear (9) is rotatably mounted on the upper end of the inside of the shell (1), the mounting block (10) is connected to the lower side of the second gear (9), sliding grooves are formed in the left side and the right side of the mounting block (10), sliding grooves are formed in the left side and the right side of the fixing plate (101), the sliding blocks (11) are slidably arranged on the inner sides of the two sliding grooves, the connecting rods (12) are mounted on adjacent ends of the two sliding blocks (11), and the pulley (13) is rotatably mounted on one end of the two connecting rods (12) away from the sliding blocks (11).

3. The underground milling and fishing tool according to claim 1, further comprising a clamping block (14), a connecting block (15) and a second spring (16), wherein sliding rails are arranged on the left side and the right side of the upper portion of the shell (1), the connecting block (15) is arranged on the two sliding rails in a sliding mode, the second spring (16) is arranged on the two sliding rails, two ends of the second spring (16) are respectively connected to the shell (1) and the connecting block (15), and the clamping block (14) is arranged at one end, far away from the second spring (16), of the connecting block (15).

4. The downhole milling and fishing tool according to claim 1, further comprising a water tank (17), a water pump (18) and a sprinkler (19), wherein the water tank (17) is installed at the front side of the lower part of the housing (1), the water pump (18) is installed in the water tank (17), and the sprinkler (19) is connected to the water outlet of the water pump (18).

5. A downhole milling fishing tool according to claim 1, wherein the number of electric telescopic rods (3) is two.

6. A downhole milling and fishing tool according to claim 3, wherein the lower end of the clamping block (14) is wedge-shaped.