CN215761543U

CN215761543U - Combined hollow drill rod capable of being positioned quickly

Info

Publication number: CN215761543U
Application number: CN202121586737.8U
Authority: CN
Inventors: 杨宏斌
Original assignee: Huangshi Hongyu Mechanical Equipment Co ltd
Current assignee: Huangshi Hongyu Mechanical Equipment Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-08
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a combined type hollow drill rod capable of being quickly positioned, which belongs to the technical field of hollow drill rods and comprises a first hollow drill rod, wherein a second hollow drill rod is arranged at the top end of the first hollow drill rod, top retainers are respectively arranged at the top ends of the first hollow drill rod and the second hollow drill rod, the upper surfaces of the two top retainers are respectively and fixedly connected with the lower surfaces of two mounting sleeves, the mounting sleeves are square, and pin shafts are respectively arranged on four surfaces of the mounting sleeves. This combination formula hollow drill rod that can fix a position fast is through setting up installation cover, thread groove and fastening nut for at the in-process of drilling, first hollow drill rod is difficult for leading to the second hollow drill rod to appear the circumstances of idle running because of the card in soil, has improved the compactness of being connected between first hollow drill rod and the second hollow drill rod, when having ensured this hollow drill rod drilling efficiency, has reduced the circumstances that economic loss appears because of losing first hollow drill hole and having lost.

Description

Combined hollow drill rod capable of being positioned quickly

Technical Field

The utility model belongs to the technical field of hollow drill rods, and particularly relates to a combined type hollow drill rod capable of being quickly positioned.

Background

In the prior art, a general hollow drill rod is provided with a thread piece at the lower end of a tubular body of the drill rod, and the thread piece is used for acting with soil to generate downward force to drive the hollow drill rod and a pile tip into the ground. But because the difference of drilling depth demand, then need the hollow drill rod cooperation of not unidimensional length to use, at present when the length of hollow drill rod is adjusted to needs, often adopt the mode concatenation of a plurality of hollow drill rod erection joint to use, if adopt threaded mode to carry out the connection of connecting it fixed, lead to easily when punching, the frictional force of below drilling rod and soil stone is too big and lead to the condition that idle running appears in the hollow drill rod in top, and then lead to the hollow drill rod to disintegrate, not only be difficult to ensure the availability factor of drilling rod, and lose because of the drilling rod easily and lead to the condition that economic loss appears.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a combined type hollow drill rod capable of being quickly positioned, and solves the problems that when the length of the hollow drill rod needs to be adjusted at present, a plurality of hollow drill rods are often spliced for use in a mounting and connecting mode, if the hollow drill rods are connected and fixed in a threaded mode, the friction force between a lower drill rod and a soil block is too large during punching, so that the upper hollow drill rod is idle, the hollow drill rod is disassembled, the use efficiency of the drill rod is difficult to guarantee, and the drill rod is easy to lose.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a combination formula hollow drill rod that can fix a position fast, includes first hollow drill rod, the top of first hollow drill rod is provided with the second hollow drill rod, the top of first hollow drill rod and second hollow drill rod all is provided with the top holder, and the upper surface of two top holders respectively with the lower fixed surface of two installation covers be connected, the shape of installation cover sets up to the square, four faces of installation cover all set up the round pin axle, the installation cover through the round pin axle respectively with four spacing calorie of rod's bottom swing joint, the extrusion stem that the round pin axle surface set up is located spacing downthehole, the upper surface at the installation cover is seted up in spacing hole.

As a further scheme of the utility model: the other end joint of spacing kelly is in spacing draw-in groove, and the other end of four spacing kellies all sets up to the inclined plane.

As a further scheme of the utility model: the quantity of spacing draw-in groove is four, and four spacing draw-in grooves all set up the surface at spacing post, the shape of spacing post sets up to the cuboid, the water conservancy diversion hole has been seted up on the top of spacing post.

As a further scheme of the utility model: the limiting column is communicated with the bottom end of the second hollow drill rod through the diversion hole, and the outer surface of the limiting column is in lap joint with the inner wall of the limiting hole.

As a further scheme of the utility model: the outer surface of the limiting clamping rod is provided with a thread groove, the outer surface of the mounting sleeve is sleeved with a fastening nut, and the inner wall of the fastening nut is matched with the shape of the thread groove.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the combined type hollow drill rod capable of being quickly positioned is characterized in that the installation sleeve, the limiting clamping rods, the limiting columns, the thread grooves and the fastening nuts are arranged, when an operator pushes the limiting columns to enter the installation sleeve along the limiting holes, the limiting columns are contacted with the extrusion plate, the extrusion plate drives the pin shaft to rotate under the pushing action of the limiting columns, the four limiting clamping rods are driven to overturn oppositely in the rotating process of the pin shaft, so that the limiting clamping rods are synchronously clamped in the limiting clamping grooves, then the operator can move the fastening nuts upwards, when the upper surfaces of the fastening nuts are contacted with the thread grooves, the operator can rotate the fastening nuts to enable the fastening nuts to move upwards along the thread grooves, so that the four limiting clamping rods are fixed, and the first hollow drill rod and the second hollow drill rod are fixedly connected in a limiting clamping manner, the second hollow drill rod is not easy to idle due to the fact that the first hollow drill rod is clamped in the soil, tightness of connection between the first hollow drill rod and the second hollow drill rod is improved, drilling efficiency of the first hollow drill rod is guaranteed, and the situation of economic loss due to loss of the first hollow drill rod is reduced.

2. This combination formula hollow drill rod that can fix a position fast, through setting up spacing kelly and fastening nut, because the staff is connecting first hollow drill rod and the hollow drill rod of second, only need to connect spacing post joint to spacing downthehole can carry out preliminary fixed to the hollow drill rod of second, thereby the degree of difficulty when this hollow drill rod is installed has been reduced, and after preliminary fixed finishing, the staff can adopt fastening nut's mode to fix four spacing kellies, four spacing kellies have been ensured to the fixed stability of spacing post, the suitability of this space drilling rod has been improved.

3. This hollow drilling rod of combination formula that can fix a position fast, through setting up spacing kelly and spacing draw-in groove, and because the top of spacing kelly be the inclined plane and with spacing draw-in groove looks adaptation, make spacing kelly difficult the dead condition of card that appears in upset and joint to the in-process of spacing draw-in groove, and when needs are dismantled, only need not hard up fastening nut and the spacing post of rebound can, four spacing kellies then can break away from spacing draw-in groove under the effect of gravity this moment, make that the staff can be convenient take out four spacing kellies, thereby the dismantlement degree of difficulty of this hollow drilling rod has been reduced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a three-dimensional structural view of the mounting sleeve of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the present invention at A;

FIG. 4 is a schematic three-dimensional structure of the limit clip rod of the present invention;

in the figure: the drill rod assembly comprises a first hollow drill rod 1, a second hollow drill rod 2, a top retainer 3, a mounting sleeve 4, a pin shaft 5, a limiting clamping rod 6, an inclined plane 7, a limiting clamping groove 8, a limiting column 9, a flow guide hole 10, a limiting hole 11, a thread groove 12 and a fastening nut 13.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a combined hollow drill rod capable of being quickly positioned comprises a first hollow drill rod 1, wherein a second hollow drill rod 2 is arranged at the top end of the first hollow drill rod 1, top retainers 3 are respectively arranged at the top ends of the first hollow drill rod 1 and the second hollow drill rod 2, the upper surfaces of the two top retainers 3 are respectively fixedly connected with the lower surfaces of two mounting sleeves 4, the mounting sleeves 4 are in a cube shape, four surfaces of the mounting sleeves 4 are respectively provided with a pin shaft 5, the mounting sleeves 4 are respectively movably connected with the bottom ends of four limiting clamping rods 6 through the pin shafts 5, extrusion rods arranged on the outer surfaces of the pin shafts 5 are positioned in limiting holes 11, the limiting holes 11 are arranged on the upper surfaces of the mounting sleeves 4, and through the arrangement of the mounting sleeves 4, limiting columns 9, threaded grooves 12 and fastening nuts 13, because the hollow drill rod fixedly connects the first hollow drill rod 1 and the second hollow drill rod 2 in a clamping mode of the limiting clamping rods 6, the condition that idle rotation appears in the second hollow drill rod 2 is difficult to lead to because of the card in soil to first hollow drill rod 1 at the in-process of drilling, has improved the compactness of being connected between first hollow drill rod 1 and the second hollow drill rod 2, when having ensured this hollow drill rod drilling efficiency, has reduced because of losing the condition that economic loss appears in first hollow hole brill.

Specifically, as shown in fig. 2 and 3, the other end of the limiting clamping rod 6 is clamped in the limiting clamping groove 8, the other ends of the four limit clamping rods 6 are all provided with inclined planes 7, the number of the limit clamping grooves 8 is four, and the four limit clamping grooves 8 are all arranged on the outer surface of the limit post 9, and because the limit clamping rods 6 and the fastening nuts 13 are arranged, thereby the degree of difficulty when this hollow drill pipe is installed has been reduced, and after preliminary fixed finishing, the staff can adopt fastening nut 13's mode to fix four spacing kellies 6, four spacing kellies 6 have been ensured to spacing post 9 fixed stability, the suitability of this space drilling rod has been improved, the shape of spacing post 9 sets up to the cuboid, water conservancy diversion hole 10 has been seted up on the top of spacing post 9, spacing post 9 is linked together through the bottom of water conservancy diversion hole 10 with the hollow drill pipe 2 of second, the surface of spacing post 9 and the inner wall overlap joint of spacing hole 11.

Specifically, as shown in fig. 1 and 3, the thread groove 12 is equipped with outward to the surface of spacing kelly 6, fastening nut 13 has been cup jointed to the surface of installation cover 4, fastening nut 13's inner wall and thread groove 12's shape looks adaptation, because of being provided with fastening nut 13 and spacing kelly 6, make spacing kelly 6 difficult dead circumstances of card that appears in the in-process of upset and joint to spacing draw-in groove 8, and when needs are dismantled, only need not hard up fastening nut 13 and rebound spacing post 9 can, make that the staff can be convenient take out four spacing kellies 6, thereby the dismantlement degree of difficulty of this hollow drill rod has been reduced.

The working principle of the utility model is as follows:

s1, when in use, a worker only needs to butt joint the upper surface of the first hollow drill rod 1 and the bottom end of the second hollow drill rod 2, the installation sleeve 4 and the limiting column 9 need to be ensured to be in a horizontal position in the butt joint process, and in the installation process, four surfaces of the limiting column 9 need to be lapped with the inner wall of the limiting hole 11 and the limiting column 9 needs to be adjusted to enter the inside neck;

s2, when an operator pushes the limiting column 9 to enter the mounting sleeve 4 along the limiting hole 11, the limiting column 9 is in contact with the extrusion plate, the extrusion plate drives the pin shaft 5 to rotate under the pushing of the limiting column 9, and the pin shaft 5 drives the four limiting clamping rods 6 to turn over oppositely in the rotating process, so that the limiting clamping rods 6 are synchronously clamped in the limiting clamping grooves 8, and then the operator can move the fastening screw cap 13 upwards, when the upper surface of the fastening screw cap 13 is in contact with the thread groove 12, the operator can rotate the fastening screw cap 13, so that the fastening screw cap 13 moves upwards along the thread groove 12, and the four limiting clamping rods 6 are fixed;

s3, because the staff is connecting first hollow drilling rod 1 and second hollow drilling rod 2, only need to connect spacing post 9 joint to spacing downthehole 11 in can tentatively fix second hollow drilling rod 2, and after tentatively fixing, the staff can adopt fastening nut 13' S mode to fix four spacing kellies 6.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A combined hollow drill rod capable of being quickly positioned comprises a first hollow drill rod (1) and is characterized in that: the top of first hollow drill rod (1) is provided with second hollow drill rod (2), the top of first hollow drill rod (1) and second hollow drill rod (2) all is provided with top holder (3), and the upper surface of two top holders (3) respectively with the lower fixed surface of two installation covers (4) be connected, the shape of installation cover (4) sets up to the square, four faces of installation cover (4) all set up round pin axle (5), installation cover (4) respectively with the bottom swing joint of four spacing kelly (6) through round pin axle (5), the extrusion ram that round pin axle (5) surface set up is located spacing hole (11), the upper surface at installation cover (4) is seted up in spacing hole (11).

2. The combined type hollow drill rod capable of being quickly positioned according to claim 1, wherein: the other end joint of spacing kelly (6) is in spacing draw-in groove (8), and the other end of four spacing kellies (6) all sets up to inclined plane (7).

3. The combined type hollow drill rod capable of being quickly positioned according to claim 2, wherein: the quantity of spacing draw-in groove (8) is four, and four surface at spacing post (9) are all seted up in spacing draw-in groove (8), the shape of spacing post (9) sets up to the cuboid, water conservancy diversion hole (10) have been seted up on the top of spacing post (9).

4. The combined type hollow drill rod capable of being quickly positioned according to claim 3, wherein: the limiting column (9) is communicated with the bottom end of the second hollow drill rod (2) through a flow guide hole (10), and the outer surface of the limiting column (9) is in lap joint with the inner wall of the limiting hole (11).

5. The combined type hollow drill rod capable of being quickly positioned according to claim 1, wherein: the outer surface of the limiting clamping rod (6) is provided with a thread groove (12), the outer surface of the mounting sleeve (4) is sleeved with a fastening nut (13), and the inner wall of the fastening nut (13) is matched with the shape of the thread groove (12).