CN217233471U

CN217233471U - Pipe breaker for well drilling

Info

Publication number: CN217233471U
Application number: CN202220405432.0U
Authority: CN
Inventors: 刘玉龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-27
Filing date: 2022-02-27
Publication date: 2022-08-19
Anticipated expiration: 2032-02-27

Abstract

The utility model discloses a pipe breaker is used in well drilling belongs to equipment technical field for the well drilling. The device overcomes the defects of low pipe breaking efficiency and poor effect of the drilling equipment for the protective wall casing pipe in the prior art. The tube breaking drill comprises a barrel body, barrel upper portion opening is equipped with the cover of being connected with the barrel, be equipped with at least one working hole that runs through on the barrel lateral wall, the inside fixed power component that can realize reciprocating motion that is equipped with of barrel, the last broken pipe drill bit that can be at reciprocating motion in the working hole that is connected with of power component, cover top fixedly connected with portion of hanging. The utility model discloses simple structure, the cost is with low costs, easy operation moreover, but certain degree of depth dado sheathed tube drilling is realized to high efficiency.

Description

Pipe breaker for drilling well

Technical Field

The utility model belongs to an equipment for the well drilling, specifically speaking especially relates to a broken pipe ware is used in well drilling.

Background

At present, during drilling and punching construction, in order to ensure no hole collapse after hole forming in a soft soil area, a wall protection sleeve is usually required to be arranged after hole drilling so as to ensure the smoothness of a well pipe. Because the retaining wall sleeve pipe can block groundwater from infiltrating into the well, drilling equipment is needed to drill the periphery of the retaining wall sleeve pipe with a certain depth, and therefore groundwater can infiltrate into the well. The prior art does not have special broken pipe equipment to the dado sleeve pipe yet, adopts conventional broken pipe equipment not only drilling efficiency low, moreover because operating personnel can't observe in the well drilling, causes broken pipe effect also poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a broken pipe ware is used in well drilling to overcome drilling equipment among the prior art to the broken pipe inefficiency of dado sheathed tube and the poor defect of effect.

The utility model discloses an adopt following technical scheme to realize: a pipe breaking device for well drilling comprises a cylinder body, wherein a cylinder cover connected with the cylinder body is arranged at an opening in the upper portion of the cylinder body, at least one through working hole is formed in the side wall of the cylinder body, at least one power assembly capable of achieving reciprocating motion is fixedly arranged in the cylinder body, a pipe breaking drill bit capable of reciprocating motion in the working hole is connected to the power assembly, and a hanging portion is fixedly connected to the upper portion of the cylinder cover.

Preferably, an eccentric disc is fixedly arranged on the cylinder body, an eccentric hole is formed in the eccentric disc, the eccentric disc is fixedly sleeved on the outer wall of the cylinder body through the eccentric hole, and the thin wall side of the eccentric disc and the working hole are arranged in the same direction.

Preferably, the pipe breaking drill bit is detachably connected with the power assembly.

Preferably, the hanging part is a hanging ring.

Preferably, the hanging part is a threaded pipe.

Preferably, the power assembly is a double-acting oil cylinder or a double-acting air cylinder, a telescopic rod of the double-acting oil cylinder or the double-acting air cylinder is connected with the pipe breaking drill bit, an oil inlet pipe or an air inlet pipe and an oil return pipe or an exhaust pipe are arranged on the barrel cover, and the oil inlet pipe or the air inlet pipe and the oil return pipe or the exhaust pipe are connected with the double-acting oil cylinder or the double-acting air cylinder.

Preferably, the power assembly is a single-acting oil cylinder or a single-acting air cylinder, a telescopic rod of the single-acting oil cylinder or the single-acting air cylinder is connected with the pipe breaking drill bit, an oil inlet pipe or an air inlet pipe is arranged on the barrel cover and is connected with the single-acting oil cylinder or the single-acting air cylinder, and a return spring is connected between the pipe breaking drill bit and the single-acting oil cylinder or the single-acting air cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, the cost is with low costs, easy operation moreover, but high efficiency's the broken pipe of certain degree of depth dado sheathed tube drilling of realization.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;

fig. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an eccentric disc according to embodiment 1 of the present invention;

fig. 4 is an internal structure diagram of embodiment 2 of the present invention;

fig. 5 is a schematic perspective view of embodiment 3 of the present invention.

In the figure: 1. a barrel; 2. a cylinder cover; 3. a working hole; 4. a pipe breaking drill bit; 5. an eccentric disc; 6. a double-acting cylinder or a double-acting cylinder; 7. an oil inlet or an air inlet pipe; 8. a hoisting ring; 9. an oil return or exhaust pipe; 10. an eccentric hole; 11. a single-acting cylinder or cylinder; 12. a return spring; 13. a threaded pipe.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: as shown in fig. 1, 2, and 3, the pipe breaker for drilling according to this embodiment includes a barrel 1, a cover 2 connected to the barrel 1 is provided at an opening at an upper portion of the barrel 1, two through working holes 3 are provided on a side wall of the barrel 1, two power assemblies capable of performing reciprocating motion are fixedly provided inside the barrel 1, a pipe breaking drill 4 capable of performing reciprocating motion in the working holes 3 is connected to the power assemblies, the power assemblies perform reciprocating motion to drive the pipe breaking drill 4 to extend out of a drilled hole and retract back to reset, a suspension portion is fixedly connected above the cover 2, and the suspension portion is used for hoisting the device, so that the device can be conveniently lowered into a casing for drilling.

The fixed eccentric disc 5 that is equipped with on the barrel 1 of this embodiment, be equipped with eccentric orfice 10 on the eccentric disc 5, eccentric disc 5 passes through eccentric orfice 10 fixed cover on barrel 1 outer wall to same direction is located to the thin wall side and the working hole 3 of eccentric disc 5. The eccentric disc 5 is used for supporting the thick wall side of the eccentric disc 5 against the inner wall of the protective wall sleeve in the other direction when the pipe breaking drill bit 4 extends out of the working hole 3 to drill the protective wall sleeve, so that the support is provided for the pipe breaking drill bit 4 to drill.

The pipe breaking drill bit 4 of the present embodiment is detachably connected to the power assembly. Because the pipe breaking drill bit 4 is a quick-wear part, the pipe breaking drill bit 4 is detachably connected with the power assembly, so that the damaged pipe breaking drill bit 4 can be conveniently replaced.

The hanging part of this embodiment is a hanging ring 8. Rings 8 are used for connecting the lifting rope, conveniently transfer this device to dado sleeve inside and drill.

The power assembly of the embodiment is a double-acting oil cylinder or a double-acting air cylinder 6, a telescopic rod of the double-acting oil cylinder or the double-acting air cylinder 6 is connected with a broken pipe drill bit 4, an oil inlet or air inlet pipe 7 and an oil return or air outlet pipe 9 are arranged on a cylinder cover 2, and the oil inlet or air inlet pipe 7 and the oil return or air outlet pipe 9 are connected with the double-acting oil cylinder or the double-acting air cylinder 6. The double-acting oil cylinder or the double-acting air cylinder 6 can drive the pipe breaking drill bit 4 to extend and retract.

The working process of the embodiment: at first with lifting rope connection rings 8, transfer this device to the inside certain degree of depth of dado sleeve pipe through the lifting rope, then start power component, power component drive brokenly tub drill bit 4 stretches out working hole 3 and drills to the dado sleeve pipe, and after drilling, power component drive brokenly tub drill bit 4 withdrawal and reset, then operating personnel passes through the angle of this device of lifting rope rotation adjustment, repeats the above-mentioned operation, punches to the dado sleeve pipe of different positions.

Example 2: as shown in fig. 4, the power assembly of this embodiment is a single-acting cylinder or a single-acting cylinder 11, the telescopic rod of the single-acting cylinder or the single-acting cylinder 11 is connected to the pipe breaking drill bit 4, the cylinder cover 2 is provided with an oil inlet or air inlet pipe 7, the oil inlet or air inlet pipe 7 is connected to the single-acting cylinder or the single-acting cylinder 11, and a return spring 12 is connected between the pipe breaking drill bit 4 and the single-acting cylinder or the single-acting cylinder 11. The single-acting oil cylinder or the single-acting air cylinder 11 can only drive the pipe breaking drill bit 4 to extend out for one action, and the return spring 12 can be used for realizing the automatic retraction and return of the pipe breaking drill bit 4 when the single-acting oil cylinder or the single-acting air cylinder 11 stops working.

Other contents of this embodiment are the same as embodiment 1.

Example 3: as shown in fig. 5, the hanging part of the present embodiment is a threaded pipe 13, the threaded pipe 13 is connected with a drill rod of a drilling machine through threads, and the device can be lowered into the wall protection casing through the drill rod for drilling operation. The oil inlet or gas inlet pipe 7 and the oil return or gas outlet pipe 9 may be internally connected to the power assembly by a threaded pipe 13.

The rest of the present embodiment is the same as embodiment 1 or embodiment 2.

Claims

1. A pipe breaker for well drilling comprises a cylinder body (1), wherein a cylinder cover (2) connected with the cylinder body (1) is arranged at an upper opening of the cylinder body (1), and the pipe breaker is characterized in that: the utility model discloses a reciprocating type pipe drill, including barrel (1), barrel (1) lateral wall, be equipped with at least one work hole (3) that run through on the barrel (1) lateral wall, barrel (1) inside fixed be equipped with at least one can realize the power component of reciprocating motion, be connected with broken tub of drill bit (4) that can be in work hole (3) reciprocating motion on the power component, cover (2) top fixedly connected with portion of hanging.

2. The wellbore tubing breaker of claim 1, wherein: the novel eccentric disc is characterized in that an eccentric disc (5) is fixedly arranged on the cylinder body (1), an eccentric hole (10) is formed in the eccentric disc (5), the eccentric disc (5) is fixedly sleeved on the outer wall of the cylinder body (1) through the eccentric hole (10), and the thin wall side of the eccentric disc (5) and the working hole (3) are arranged in the same direction.

3. A wellbore pipe breaker according to claim 1, wherein: the pipe breaking drill bit (4) is detachably connected with the power assembly.

4. A wellbore pipe breaker according to claim 1, wherein: the hanging part is a hanging ring (8).

5. The wellbore tubing breaker of claim 1, wherein: the hanging part is a threaded pipe (13).

6. A tubing breaker for drilling a well according to any one of claims 1 to 5 wherein: the power component is double-acting cylinder or double-acting cylinder (6), broken tub drill bit (4) is connected to the telescopic link of double-acting cylinder or double-acting cylinder (6), be equipped with oil feed or intake pipe (7) and oil return or blast pipe (9) on cover (2), double-acting cylinder or double-acting cylinder (6) are connected to oil feed or intake pipe (7) and oil return or blast pipe (9).

7. A wellbore pipe breaker according to any one of claims 1-5, wherein: the power assembly is a single-action oil cylinder or a single-action air cylinder (11), the telescopic rod of the single-action oil cylinder or the single-action air cylinder (11) is connected with a pipe breaking drill bit (4), an oil inlet pipe or an air inlet pipe (7) is arranged on the barrel cover (2), the oil inlet pipe or the air inlet pipe (7) is connected with the single-action oil cylinder or the single-action air cylinder (11), and a return spring (12) is connected between the pipe breaking drill bit (4) and the single-action oil cylinder or the single-action air cylinder (11).