CN219012556U

CN219012556U - Rotary drilling bit fisher

Info

Publication number: CN219012556U
Application number: CN202320210539.4U
Authority: CN
Inventors: 王立研; 王舟; 刘帅
Original assignee: Liaoning Shengji Construction Group Co ltd
Current assignee: Liaoning Shengji Construction Group Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-05-12
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a rotary drilling bit fisher, which relates to the technical field of civil engineering auxiliary equipment and comprises a device body, wherein a second connecting plate is arranged at the lower end of the device body, a first fixing block is arranged on the lower surface of the second connecting plate, a second fixing block is arranged below the first fixing block, the first fixing block is connected with the second fixing block through a spring, and a pressing plate is arranged at the lower end of the second fixing block. According to the utility model, the first fixed block is arranged on the second connecting plate at the lower end of the device body, the second fixed block is arranged below the first fixed block and connected through the spring, the pressing plate is arranged on the lower surface of the second fixed block and is in close contact with the lower end of the salvaging hook, when the drill bit is salvaged, the salvaging hook hooks the drill bit, the pressing plate presses the drill bit downwards, and the drill bit is clamped by the upward force of the salvaging hook and the downward force of the pressing plate, so that the drill bit is more firmly and stably clamped in the salvaging process.

Description

Rotary drilling bit fisher

Technical Field

The utility model relates to the technical field of civil engineering auxiliary equipment, in particular to a rotary drilling bit fisher.

Background

The cast-in-place pile is a pile which is made by forming pile holes in foundation soil by means of mechanical drilling, steel pipe soil squeezing or manual excavation and the like on an engineering site, placing a reinforcement cage therein and pouring concrete. At present, mechanical drilling is usually carried out by using a rotary drilling machine, and in the drilling process of the rotary drilling machine, the drill rod is inevitably broken or falls off, the drill bit is broken by square sleeve, the drill rod is broken by square head, the core is broken by core joint and the like.

The common salvaging method comprises the following steps: when the first party allows the sediment to be treated, the diver can be hired to submerge the drill bit to hang up the steel wire rope, and the method can be used for salvaging or a common salvaging device can be used for salvaging.

However, the diver has high submergence salvaging cost and extremely high danger, and the common salvaging device salvages the drill bit, so that the drill bit is easy to shake and fall.

Disclosure of Invention

Therefore, the utility model aims to provide a rotary drilling bit fisher, which solves the technical problems that the drill bit cannot be clamped when being fished, and the drill bit is easy to shake and drop, so that the salvaging is difficult.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dig drill bit fisher soon, includes the ware body, ware body lower extreme is provided with the second connecting plate, second connecting plate lower surface is provided with first fixed block, first fixed block below is provided with the second fixed block, and passes through spring coupling between first fixed block and the second fixed block, second fixed block lower extreme is provided with the clamp plate.

Through adopting above-mentioned technical scheme, when the fisher salvages the drill bit, the clamp plate extrudes the drill bit, makes the drill bit of salvaging press from both sides tightly, and is more firm stable.

The utility model is further characterized in that four groups of evenly distributed fixing plates are arranged on the first fixing block, fishing hooks are arranged between each group of fixing plates, the fishing hooks are matched and fixed with nuts through threaded rods on the fixing plates, and the upper surfaces of the fishing hooks are in contact with the lower surfaces of the pressing plates.

By adopting the technical scheme, the salvaging hook can hook the drill bit, and the threaded rod can enable the salvaging hook to have mobility.

The utility model is further characterized in that the body is provided with a mounting hole, and the upper end of the body is provided with a first connecting plate.

Through adopting above-mentioned technical scheme, the fisher passes through the mounting hole to be installed on the loop wheel machine, through with first connecting plate cooperation contact, makes the fisher more stable.

The utility model is further characterized in that the outer end of the salvaging hook is provided with a mounting shell, a rolling column is arranged in the mounting shell, and the rolling column is connected in the mounting shell through a connecting shaft.

Through adopting above-mentioned technical scheme, when the in-process of salvaging, the salvaging hook touches the rock wall, and the rolling column can roll along the rock wall, reduces the frictional force between salvaging hook and the rock wall.

The utility model is further arranged that the bottom end of the salvaging hook is provided with a pair of rollers, and the rollers are connected to the bottom end of the salvaging hook through a connecting rod.

Through adopting above-mentioned technical scheme, when the fishing hook touched the drill bit, the fishing hook continued to descend, and the gyro wheel rolls on the drill bit surface, and the gyro wheel reduces the friction of fishing hook to the drill bit, prevents that the fishing hook from blocking.

The utility model is further arranged that the shape structure of the salvaging hook is an outwards expanding arc structure.

By adopting the technical scheme, when the salvaging hook touches the drill bit, the arc-shaped structure can enable the salvaging hook to open to the periphery in the descending process.

In summary, the utility model has the following advantages:

1. according to the utility model, the first fixed block is arranged on the second connecting plate at the lower end of the device body, the second fixed block is arranged below the first fixed block and connected through the spring, the pressing plate is arranged on the lower surface of the second fixed block and is in close contact with the lower end of the salvaging hook, when the drill bit is salvaged, the salvaging hook hooks the drill bit, the pressing plate presses the drill bit downwards, and the drill bit is clamped by the upward force of the salvaging hook and the downward force of the pressing plate, so that the drill bit is more firmly and stably clamped in the salvaging process.

2. According to the utility model, the installation shell is arranged on the outer side of the salvaging hook, the rolling column is arranged in the installation shell, when the salvaging hook touches the surrounding rock wall, the rolling wheels can effectively reduce the friction force of the salvaging hook on the rock wall, so that salvaging is smoothly carried out, the pair of rolling wheels are arranged at the bottom end of the salvaging hook, when the salvaging hook touches the drill bit, the salvaging hook continuously descends, the salvaging hook expands outwards, the mixing wheel can roll on the salvaging hook, the friction force of the salvaging hook on the surface of the drill bit is reduced, and the salvaging hook is prevented from being clamped in the friction process.

Drawings

FIG. 1 is a schematic view of the overall structure of a first view angle according to the present utility model;

FIG. 2 is a schematic view of the overall structure of a second view angle according to the present utility model;

fig. 3 is a schematic view of the whole structure in the working state of the present utility model.

In the figure: 1. a body; 2. a first connection plate; 3. a second connecting plate; 4. a fixing plate; 5. a threaded rod; 6. a nut; 7. fishing the hook; 8. a first fixed block; 9. a spring; 10. a second fixed block; 11. a pressing plate; 12. a mounting hole; 13. a mounting shell; 14. a rolling column; 15. a connecting shaft; 16. a roller; 17. and (5) connecting a rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a dig drill bit fisher soon, as shown in fig. 1-3, including ware body 1, at first need install the fisher on the loop wheel machine, so be provided with mounting hole 12 on ware body 1, the fisher passes through mounting hole 12 and installs, is provided with first connecting plate 2 in ware body 1 upper end, and first connecting plate 2 contacts with the loop wheel machine, makes the installation more firm.

In the salvaging process, the salvaging hook is required to be hooked on the drill bit effectively, so that the first fixing block 8 is arranged at the lower end of the tool body 1, four groups of evenly distributed fixing plates 4 are arranged on the first fixing block 8, salvaging hooks 7 are arranged between each group of fixing plates 4, the salvaging hooks 7 are matched and fixed with the nuts 6 through threaded rods 5 on the fixing plates 4, the salvaging hooks 7 can rotate on the threaded rods 5, in order to enable the salvaging hooks 7 to catch the drill bit smoothly, the shape structure of the salvaging hooks 7 is an outwards-expanded arc structure, when the salvaging hooks 7 contact the drill bit, the salvaging tool descends continuously, the salvaging hooks 7 slide towards two sides of the drill bit and spread forward until the drill bit is buckled.

When the salvaging hook 7 hooks the drill bit and shakes in the lifting process of the salvaging drill bit, rocks in the touch hole can fall off, secondary salvaging is more difficult, therefore, the lower end of the device body 1 is provided with the second connecting plate 3, the lower surface of the second connecting plate 3 is provided with the first fixing block 8, the lower part of the first fixing block 8 is provided with the second fixing block 10, the first fixing block 8 is connected with the second fixing block 10 through the spring 9, the lower end of the second fixing block 10 is provided with the pressing plate 11, when the salvaging hook 7 hooks the drill bit, the pressing plate 11 downwards extrudes the drill bit, the spring 9 upwards contracts, the connecting plate at the upper end of the drill bit is clamped between the pressing plate 11 and the contact surface of the salvaging hook 7, and the drill bit is more stable in the lifting process through the downward pressure of the spring 9 and the upward pulling force of the salvaging hook 7.

In the process of salvaging the drill bit, the salvaging hook 7 can touch the rock wall, and the rock wall can cause great frictional force to the salvaging hook 7, also can block the salvaging hook 7, therefore be provided with the installation shell 13 at salvaging hook 7 outer end, be provided with the rolling post 14 in the installation shell 13, and the rolling post 14 passes through connecting axle 15 to be connected in the installation shell 13, and the rolling post 14 rolls on the rock wall, has also reduced the resistance that salvages hook 7 salvaged.

When the salvaging hook 7 touches the drill bit, the friction force between the salvaging hook 7 and the surface of the drill bit is overlarge, and when the foreign matters exist, the salvaging hook 7 can be prevented from being opened smoothly to buckle the drill bit, so that the bottom end of the salvaging hook 7 is provided with the pair of rollers 16, the rollers 16 are connected to the bottom end of the salvaging hook 7 through the connecting rod 17, and the rollers 16 can effectively reduce the friction force.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a dig drill bit fisher soon, includes ware body (1), its characterized in that: the novel multifunctional electric energy meter is characterized in that a second connecting plate (3) is arranged at the lower end of the meter body (1), a first fixing block (8) is arranged on the lower surface of the second connecting plate (3), a second fixing block (10) is arranged below the first fixing block (8), the first fixing block (8) is connected with the second fixing block (10) through a spring (9), and a pressing plate (11) is arranged at the lower end of the second fixing block (10).

2. The rotary drill bit fisher of claim 1, wherein: four groups of evenly distributed fixing plates (4) are arranged on the first fixing block (8), salvaging hooks (7) are arranged between each group of fixing plates (4), the salvaging hooks (7) are matched and fixed with nuts (6) through threaded rods (5) on the fixing plates (4), and the upper surfaces of the salvaging hooks (7) are in contact with the lower surfaces of the pressing plates (11).

3. The rotary drill bit fisher of claim 1, wherein: the device is characterized in that the device body (1) is provided with a mounting hole (12), and the upper end of the device body (1) is provided with a first connecting plate (2).

4. The rotary drill bit fisher of claim 2, wherein: the fishing hook is characterized in that an installation shell (13) is arranged at the outer end of the fishing hook (7), a rolling column (14) is arranged in the installation shell (13), and the rolling column (14) is connected in the installation shell (13) through a connecting shaft (15).

5. The rotary drill bit fisher of claim 2, wherein: a pair of rollers (16) are arranged at the bottom end of the salvaging hook (7), and the rollers (16) are connected to the bottom end of the salvaging hook (7) through connecting rods (17).

6. The rotary drill bit fisher of claim 2, wherein: the shape structure of the salvaging hook (7) is an outwards-expanding arc structure.