CN219887980U - High-pressure jet grouting anchor cable drill bit - Google Patents

Abstract

The utility model relates to the technical field of rotary jet anchor cable drill bits and discloses a high-pressure rotary jet anchor cable drill bit which comprises a hollow rod, wherein a flange is arranged at the bottom end of the hollow rod, a drill bit body is arranged at the bottom of the flange, two groups of arc baffles are symmetrically arranged on the drill bit body, an auxiliary crushing mechanism capable of assisting in crushing a drill bit is arranged in the drill bit body, the auxiliary crushing mechanism comprises a hinged frame arranged in the drill bit body, two groups of connecting rods are symmetrically arranged in the hinged frame, crushing cutters are rotationally connected to the surfaces of each group of connecting rods, a pushing rod is arranged at the top of the hinged frame, and two groups of inclined blocks are symmetrically arranged on the inner wall of the drill bit body. The high-pressure jet grouting anchor cable drill bit has the advantage of effectively improving the crushing capacity of the drill bit, and solves the problem that the conventional jet grouting drill bit is difficult to drill when encountering hard substances such as rock, stone and the like during drilling.

Description

High-pressure jet grouting anchor cable drill bit

Technical Field

The utility model relates to the technical field of rotary jet anchor cable drill bits, in particular to a high-pressure rotary jet anchor cable drill bit.

Background

The rotary jet drilling machine is a drilling tool for conveying slurry, compressed air, clean water and other mediums, and can ensure continuous dynamic tightness and static tightness under the high-pressure working condition. The high-pressure rotary jet anchor cable drill bit is a key component in a rotary jet drilling machine, and can extend into a stratum to drill at the top end on one hand and jet slurry on the other hand.

According to the technical scheme, the technical scheme is that the rotary jet anchor cable construction drill bit is characterized in that a rotary jet anchor cable construction drill bit is disclosed in the retrieved China patent (publication No. CN 209129546U), the problem that the existing rotary jet anchor cable construction drill bit is a disposable drill bit and cannot be reused is solved, the drill rod is connected with a driving shaft through a connector, the connector is connected with the drill rod through a key, the key is pressed into a key groove through interference fit, the key is difficult to remove, the interference fit is generally destructive, the drill rod is connected with the driving shaft through the connector, and the drill rod is inconvenient to separate from the driving shaft, however, when the rotary jet anchor drill bit is used for drilling, if hard substances such as rocks and stones are encountered, drilling operation is difficult to be carried out, and therefore, the high-pressure rotary jet anchor cable drill bit is needed to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the high-pressure rotary jet anchor cable drill bit which has the advantage of effectively improving the breaking capacity of the drill bit, and solves the problem that the conventional rotary jet anchor cable drill bit is difficult to drill when encountering hard substances such as rock, stone and the like during drilling.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a high pressure spouts anchor rope drill bit soon, includes hollow pole, the bottom of hollow pole is provided with the flange, the drill bit body is installed to the bottom of flange, the symmetry is provided with two sets of arc baffles on the drill bit body, be provided with the auxiliary breaking mechanism that can assist the drill bit to carry out the breakage in the drill bit body.

Preferably, the swivel body is connected with the hollow rod through a flange.

Preferably, the auxiliary crushing mechanism comprises a hinged frame arranged inside the drill bit body, two groups of connecting rods are symmetrically arranged in the hinged frame, each group of connecting rods are rotationally connected with a crushing cutter on the surface of each connecting rod, a pushing rod is arranged at the top of the hinged frame, and two groups of inclined blocks are symmetrically arranged on the inner wall of the drill bit body.

Preferably, two groups of movable grooves for crushing the expansion of the cutters are symmetrically formed in the surface of the drill bit body, and the arc-shaped baffle plates are arranged in the movable grooves.

Preferably, two groups of opposite ends of the crushing cutters are fixedly provided with connecting blocks, and the crushing cutters are rotationally connected to the surface of the connecting rod through the connecting blocks.

Preferably, the bottom surfaces of the two groups of inclined blocks are provided with transverse plates for blocking the hinge brackets.

The beneficial effects of the utility model are as follows:

1) This high pressure spouts anchor rope drill bit soon when using, when the power drive push rod drives two broken cutters and removes, two broken cutters of closure contact with the sloping block, the sloping block opens two broken cutters to along with the cooperation of push source, until behind two broken cutters rotatory 90 degrees states and contradict with the diaphragm of sloping block bottom, when broken cutter rotates along with the drill bit body afterwards, can carry out the additional crushing to hard material, thereby effectively improve the crushing capacity of drill bit body, use the back of accomplishing still can drive the articulated frame and two sets of broken cutters shrink of surface to the drill bit body through the push source, moreover, the steam turbine drill bit is simple in structure.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a bottom view of the present utility model;

FIG. 4 is a bottom view of the additional crusher mechanism of the present utility model;

fig. 5 is a side view of the additional crusher mechanism of the present utility model.

In the figure: 1. a hollow rod; 2. a flange; 3. an arc baffle; 4. an auxiliary crushing mechanism; 401. a hinge bracket; 402. a connecting rod; 403. crushing a cutter; 404. a push rod; 405. a sloping block; 5. a drill bit body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-5, a high-pressure jet grouting anchor cable drill bit comprises a hollow rod 1, wherein a flange 2 is arranged at the bottom end of the hollow rod 1, a drill bit body 5 is arranged at the bottom of the flange 2, the drill bit body 5 is connected with the hollow rod 1 through the flange 2, two groups of arc baffles 3 are symmetrically arranged on the drill bit body 5, and an auxiliary crushing mechanism 4 capable of assisting in crushing of a drill bit is arranged in the drill bit body 5;

the auxiliary crushing mechanism 4 comprises a hinged frame 401 arranged inside a drill bit body 5, two groups of connecting rods 402 are symmetrically arranged in the hinged frame 401, crushing cutters 403 are rotationally connected to the surfaces of each group of connecting rods 402, two groups of movable grooves for the expansion of the crushing cutters 403 are symmetrically arranged on the surfaces of the drill bit body 5, an arc-shaped baffle 3 is arranged in each movable groove, a pushing rod 404 is arranged at the top of the hinged frame 401, and two groups of inclined blocks 405 are symmetrically arranged on the inner wall of the drill bit body 5.

In the above embodiment, the connecting blocks are fixedly mounted at opposite ends of the two groups of crushing cutters 403, the crushing cutters 403 are rotationally connected to the surface of the connecting rod 402 through the connecting blocks, the stability of the crushing cutters 403 in the extending and contracting processes can be ensured through the arranged structure, the cross plates for blocking the hinge frame 401 are mounted on the bottom surfaces of the two groups of inclined blocks 405, and the cross plates are used for facilitating the hinge frame 401 to extend out from the drill bit body 5, so that the service life of the whole structure in use is ensured.

Working principle: when the drill bit is used, when the moving source pushes and drives the pushing rod 404 to move downwards, at this time, the pushing rod 404 drives the two crushing cutters 403 to move, the two crushing cutters 403 are in contact with the inclined block 405, the inclined block 405 opens the two crushing cutters 403 and is matched with the pushing source until the two crushing cutters 403 rotate 90 degrees and collide with the transverse plate at the bottom of the inclined block 405, and then the crushing cutters 403 can assist in crushing hard substances when rotating along with the drill bit body 5, so that the crushing capacity of the drill bit body 5 is effectively improved, and after the drill bit is used, the hinge frame 401 and the two groups of crushing cutters 403 on the surface of the hinge frame 401 can be driven by the pushing source to shrink into the drill bit body 5, so that the structure is simple.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element, while the terms "left", "right", "top" and "bottom" as used herein refer to the elements as placed in fig. 1. The terms "front" and "rear" as used herein refer to the operator facing the dispensing device, being closer to the operator than the operator, and farther from the operator than the operator.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high pressure spouts anchor rope drill bit soon, includes hollow pole (1), its characterized in that: the novel drill bit is characterized in that a flange (2) is arranged at the bottom end of the hollow rod (1), a drill bit body (5) is arranged at the bottom of the flange (2), two groups of arc-shaped baffles (3) are symmetrically arranged on the drill bit body (5), and an auxiliary crushing mechanism (4) capable of assisting the drill bit in crushing is arranged in the drill bit body (5).

2. The high pressure rotary jetting anchor bit of claim 1, wherein: the drill bit body (5) is connected with the hollow rod (1) through the flange (2).

3. The high pressure rotary jetting anchor bit of claim 2, wherein: the auxiliary crushing mechanism (4) comprises a hinged frame (401) arranged inside a drill bit body (5), two groups of connecting rods (402) are symmetrically arranged in the hinged frame (401), the surface of each group of connecting rods (402) is rotationally connected with a crushing cutter (403), a pushing rod (404) is arranged at the top of the hinged frame (401), and two groups of inclined blocks (405) are symmetrically arranged on the inner wall of the drill bit body (5).

4. A high pressure rotary jetting anchor bit as claimed in claim 3, wherein: two groups of flexible movable grooves for crushing cutters (403) are symmetrically formed in the surface of the drill bit body (5), and the arc-shaped baffle plates (3) are arranged in the movable grooves.

5. A high pressure rotary jetting anchor bit as claimed in claim 3, wherein: two groups of crushing cutters (403) are fixedly installed at the opposite ends of the crushing cutters, and the crushing cutters (403) are rotationally connected to the surface of the connecting rod (402) through the connecting blocks.

6. A high pressure rotary jetting anchor bit as claimed in claim 3, wherein: the bottom surfaces of the two groups of inclined blocks (405) are provided with transverse plates for blocking the hinge brackets (401).