CN219953220U - Hammer mechanism is established under sea area engineering probing - Google Patents

Abstract

The utility model provides a hammering mechanism for the undersea engineering drilling, which relates to the technical field of casing pipes for the engineering drilling, and comprises the following steps: the power mechanism comprises a plurality of double-rod hydraulic cylinders, a plurality of the inside fixed movable mounting of double-rod hydraulic cylinders has a plurality of hydraulic rods, the hammer mechanism comprises a shell, the bottom of the plurality of double-rod hydraulic cylinders is fixedly mounted on the shell, a plurality of radiating grooves are formed in the outer portion of the shell, a mounting block is fixedly mounted on the top of the shell, an assembly body is fixedly mounted on the bottom of the shell, the impact mechanism comprises an impact block, a sleeve plate is fixedly mounted on the bottom of the impact block, different impact blocks are used when drill bits are required to sink into different sleeves, and the impact blocks are assembled and disassembled through screw holes and bolts, so that the sleeve plate can be sleeved on the sleeves, the probability of offset can be reduced, and the working quality and the working efficiency can be improved.

Description

Hammer mechanism is established under sea area engineering probing

Technical Field

The utility model relates to the technical field of engineering drilling casing, in particular to a hammering mechanism for sea engineering drilling.

Background

The drilling of sea engineering is affected by wind waves and tides, the side wall of a drilled hole is easy to collapse, so that a sleeve is beaten by a standard through hammer, the sleeve is beaten into a soft soil layer for 2 meters, then the drilling coring is carried out, the coring depth is 1.5-2 meters, the sleeve is beaten by the standard through hammer, then the drilling coring is carried out, and the process is circulated until the sleeve is beaten into a hard clay layer with poor water permeability and thicker water permeability for less than 3 meters, so that the bottom slurry can be prevented. The deep water area generally adopts a seamless steel pipe as a protective pipe, plays a role in guiding and positioning and resisting the influence of water flow, and a double-layer sleeve can be adopted in time if a sand layer appears in the deep part of a drilled hole when a sleeve is put into the protective pipe.

In the prior art, for example, the Chinese patent number is: the utility model discloses a hammering mechanism under sea engineering drilling, which solves the problems of low hammering speed and large hammering noise in the prior art, has the beneficial effects of simple operation, low working noise and reduced casing perpendicularity error, and adopts the following scheme: a hammering mechanism is arranged under sea engineering drilling, comprises a heavy hammer, is connected with a winch and is arranged in a hollow manner; a weight ring arranged on the periphery of the heavy hammer and used for supporting the weight increasing component; the bottom of the sleeve is provided with a drill bit, the top of the sleeve is provided with a bearing block, and the top of the sleeve is provided with a connecting rod which penetrates through the bearing block and is arranged in the heavy hammer.

Although the above-mentioned scheme has the advantages as above, the above-mentioned scheme has a disadvantage in that the socket has various types of impact blocks which are sometimes not matched with the shape of the socket, and the socket cannot be stably moved during the hammering process, and the sleeve is likely to be deviated.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a plurality of types of impact blocks of a sleeve are sometimes not matched with the shape of the sleeve, the sleeve cannot be stably shifted in the hammering process, and the sleeve is required to be improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a marine engineering drilling undersetting hammer mechanism comprising: the power mechanism comprises a plurality of double-rod hydraulic cylinders, and a plurality of hydraulic rods are fixedly and movably arranged in the double-rod hydraulic cylinders;

the hammer mechanism comprises a shell, wherein the shell is fixedly arranged at the bottoms of a plurality of double-rod hydraulic cylinders, a plurality of heat dissipation grooves are formed in the outer part of the shell, a mounting block is fixedly arranged at the top of the shell, and an assembly body is fixedly arranged at the bottom of the shell;

the impact mechanism comprises an impact block, and a sleeve plate is fixedly arranged at the bottom of the impact block;

the sinking mechanism comprises a sleeve, and a drill bit is fixedly arranged at the bottom of the sleeve.

Preferably, the bottom ends of the hydraulic rods are fixedly provided with hammer bodies.

Preferably, a guide rod is fixedly arranged between the mounting block and the assembly body, and the hammer body is movably sleeved on the guide rod.

Preferably, the bottom end of the assembly body is provided with a screw hole.

Preferably, a bolt is fixedly arranged at the upper end of the impact block.

Preferably, the impact block is connected with the assembly body through bolts and screw holes in a screwed mode. Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the mechanism is used, in order to enable the sleeve to sink vertically, offset can not be generated in hammering, and the impact block and the upper end of the sleeve are required to be embedded with each other as much as possible, so the impact block is made to be detachable, the impact blocks with different models are used when different sleeves are required to sink, and the impact blocks are assembled and disassembled through screw holes and bolts, so that the sleeve plate can be sleeved on the sleeve, the offset probability can be reduced, and the working quality and the working efficiency are improved.

2. According to the utility model, after the impact block is installed, the hammer body moves up and down in the shell by starting the double-rod hydraulic cylinders, when the hammer body is brought to the top by the double-rod hydraulic cylinders, the hammer body is put down to the impact block by the average self gravity, the hammer body can be smashed down along the guide rod, the safety is ensured, the heat dissipation groove formed in the shell helps the heat dissipation ensuring device to work for a long time, and the drill bit at the bottom of the sleeve helps the sleeve to be inserted into rock when the sleeve is put into the ground, so that the sleeve is more stable.

Drawings

FIG. 1 is a schematic diagram showing a side view and a perspective structure of a hammering mechanism under sea engineering drilling;

FIG. 2 is a schematic diagram showing an exploded perspective view of a hammer mechanism under sea engineering drilling;

FIG. 3 is a schematic side view of a hammering mechanism under sea engineering drilling;

fig. 4 is an exploded perspective view of a hammering mechanism under sea engineering drilling according to the present utility model.

Legend description:

1. a power mechanism; 101. a double-rod hydraulic cylinder; 102. a hydraulic rod; 2. a hammer mechanism; 201. a housing; 202. a heat sink; 203. a hammer body; 204. a mounting block; 205. a guide rod; 206. an assembly body; 207. a screw hole; 3. a striking mechanism; 301. a sleeve plate; 302. a bolt; 303. a bearing block; 4. a sinking mechanism; 401. a sleeve; 402. a drill bit.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 1-4, the present utility model provides a hammer mechanism for drilling down in sea engineering, comprising: the power mechanism 1 comprises a plurality of double-rod hydraulic cylinders 101, and a plurality of hydraulic rods 102 are fixedly and movably arranged in the double-rod hydraulic cylinders 101;

the hammer mechanism 2, the hammer mechanism 2 comprises a shell 201, the shell 201 is fixedly arranged at the bottom of the plurality of double-rod hydraulic cylinders 101, a plurality of heat dissipation grooves 202 are formed in the outer part of the shell 201, an installation block 204 is fixedly arranged at the top of the shell 201, and an assembly 206 is fixedly arranged at the bottom of the shell 201;

the impact mechanism 3, the impact mechanism 3 comprises an impact block 303, and a sleeve plate 301 is fixedly arranged at the bottom of the impact block 303;

the sinking mechanism 4, the sinking mechanism 4 comprises a sleeve 401, and a drill bit 402 is fixedly arranged at the bottom of the sleeve 401.

Further, as shown in fig. 1-4, the hammer 203 is fixedly installed at the bottom ends of the hydraulic rods 102, and is driven by the hydraulic rods 102, so that the power is stronger, the speed is faster and the efficiency is higher.

Further, as shown in fig. 1-4, a guide rod 205 is fixedly installed between the installation block 204 and the assembly body 206, and the hammer 203 is movably sleeved on the guide rod 205, so that the hammer 203 is ensured not to deviate during working, and the safety is ensured.

Further, as shown in fig. 1-4, the bottom end of the assembly 206 is provided with a screw hole 207, which is more convenient to detach by screw connection.

Further, as shown in fig. 1-4, the upper end of the impact block 303 is fixedly provided with a bolt 302, and the impact block is conveniently replaced by screw connection.

Further, as shown in fig. 1 to 4, the impact block 303 is screwed to the assembly 206 by a bolt 302 and a screw hole 207.

Working principle: when the mechanism is used, in order to enable the sleeve 401 to sink vertically, offset cannot be generated in hammering, the impact block 303 and the upper end of the sleeve 401 are required to be embedded with each other as much as possible, so the impact block 303 is made to be detachable, the impact blocks 303 with different types are used when different sleeves 401 are required to sink, the impact block 303 is assembled and detached through the screw holes 207 and the bolts 302, the sleeve plate 301 can be sleeved on the sleeve 401, the offset probability can be reduced, the working quality and the working efficiency are improved, after the impact block 303 is installed, the hammer 203 moves up and down in the shell 201 by starting the plurality of double-rod hydraulic cylinders 101, the hammer 203 is lowered down to the impact block 303 by the average gravity when being brought to the top by the double-rod hydraulic cylinders 101, the hammer 203 can be knocked down along the guide rods 205, the safety is ensured, the heat dissipation grooves 202 formed in the shell 201 help the heat dissipation guaranteeing device to work for a long time, and the drill bit 402 at the bottom of the sleeve 401 helps the sleeve 401 to be inserted into rock to enable the sleeve 401 to be more stable when the sleeve is put into the ground.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A marine engineering drilling undersetting hammer mechanism comprising:

the power mechanism (1), the power mechanism (1) comprises a plurality of double-rod hydraulic cylinders (101), and a plurality of hydraulic rods (102) are fixedly and movably arranged in the double-rod hydraulic cylinders (101);

the hammer mechanism (2), the hammer mechanism (2) comprises a shell (201), the shell (201) is fixedly arranged at the bottoms of a plurality of double-rod hydraulic cylinders (101), a plurality of heat dissipation grooves (202) are formed in the outer part of the shell (201), a mounting block (204) is fixedly arranged at the top of the shell (201), and an assembly body (206) is fixedly arranged at the bottom of the shell (201);

the impact mechanism (3), wherein the impact mechanism (3) comprises an impact block (303), and a sleeve plate (301) is fixedly arranged at the bottom of the impact block (303);

the sinking mechanism (4), the sinking mechanism (4) comprises a sleeve (401), and a drill bit (402) is fixedly arranged at the bottom of the sleeve (401).

2. A marine engineering drilling undersetting mechanism as claimed in claim 1, wherein: the bottom ends of the hydraulic rods (102) are fixedly provided with hammer bodies (203).

3. A marine engineering drilling undersetting mechanism as claimed in claim 2, wherein: a guide rod (205) is fixedly arranged between the mounting block (204) and the assembly body (206), and the hammer body (203) is movably sleeved on the guide rod (205).

4. A marine engineering drilling undersetting mechanism as claimed in claim 1, wherein: screw holes (207) are formed in the bottom end of the assembly body (206).

5. A marine engineering drilling undersetting mechanism as claimed in claim 1, wherein: the upper end of the bearing block (303) is fixedly provided with a bolt (302).

6. A marine engineering drilling undersetting mechanism as claimed in claim 5, wherein: the bearing block (303) is connected with the assembly body (206) through screws.