CN113123729A

CN113123729A - Slot type drill rod rapid butt joint device and using method

Info

Publication number: CN113123729A
Application number: CN202110531415.1A
Authority: CN
Inventors: 周磊; 周玉石; 谢晓东; 谢益飞; 谢曙东; 张群; 刘泽海
Original assignee: Shanghai Chengdi Rock Soil Design Co ltd; Shanghai Chengdixiangjiang Data Technology Co ltd; Chengdi Construction Group Co ltd
Current assignee: Shanghai Chengdi Rock Soil Design Co ltd; Shanghai Chengdixiangjiang Data Technology Co ltd; Chengdi Construction Group Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-07-16

Abstract

The invention relates to a notch type drill rod quick butt joint device and a using method, wherein the device consists of a drill rod short section, a limiting block and a supporting plate, the drill rod short section consists of a hexagonal male joint, a drill rod body and a hexagonal female joint, and two notches are formed in two sides of the drill rod body; the device is embedded into a notch of a drilling rod body on the drill rod short section through a limiting block and is closely attached to the plane of the supporting plate, so that the drill rod short section is fixed, and the drill rods are rapidly butted. The device effectively solves the problems of poor stability of over-height of a pile frame of the pile machine in deep pile construction of the pile foundation, low butt joint speed of the traditional drill rod, sinking of the drill rod during butt joint, low butt joint precision and the like, has high butt joint efficiency of the drill rod, can easily construct the deep pile foundation of more than 40 meters, shortens the construction period and saves the cost.

Description

Slot type drill rod rapid butt joint device and using method

Technical Field

The invention relates to the field of pile foundation construction, in particular to a slot type drill rod quick butt joint device and a using method thereof.

Background

At present, for the construction of a deeper pile foundation, the ultra-deep construction of a pile machine in a construction method generally can reach 35 meters, at the moment, a pile frame of the pile machine in the construction method needs to be erected to a height of more than 42 meters, the stability of the pile machine is poor, the pile machine is easy to overturn during construction, and the potential safety hazard is large; with the improvement of the process, for the construction of the ultra-deep construction method, the construction is carried out in a drill rod butt joint mode, one end of a steel wire rope is used for binding the drill rod, the other end of the steel wire rope is hooked and matched by an excavator, the verticality cannot be controlled, the butt joint precision is low, the efficiency is low, the excavator is required to assist, the construction machinery is multiple, and the cost is high.

Disclosure of Invention

The invention aims to provide a quick butt joint device for a notch type drill rod and a using method. The device is embedded into a notch of a drilling rod body on a drill rod short section through a limiting block and then is abutted against a plane of a supporting plate to fix the drill rod short section, so that the drill rods are quickly butted, the operation is simple and convenient, the limiting block, the notch and the supporting plate are tightly matched, the verticality is good, the butting precision is high, the efficiency is high, a one-time or multiple-time drill rod butting method can be adopted for construction in an ultra-deep construction method, the stability of a pile machine is high, the anti-overturning capability is strong, other auxiliary machinery is not needed, and the cost is low.

The invention is realized by the following technical modes:

1. the invention relates to a notch type drill rod quick butt joint device and a using method, wherein the device consists of a drill rod short section, a limiting block and a supporting plate, the drill rod short section consists of a hexagonal male joint, a drill rod body and a hexagonal female joint, and two notches are formed in two sides of the drill rod body; the device is embedded into a notch of a drilling rod body on the drill rod short section through a limiting block and is closely attached to the plane of the supporting plate, so that the drill rod short section is fixed, and the drill rods are rapidly butted.

2. Two notches are formed in two sides of the drill rod body and are symmetrically arranged.

3. The upper end face of the notch is 1-2 meters away from the lower end face of the hexagonal male connector.

4. The using method comprises the following steps: installing a drill rod short section at a position of about 30 meters of a first drill rod, when the first drill rod is drilled and constructed to about 30 meters, clamping a support plate into the drill rod short section along the direction of a notch of a drill rod body, continuously drilling the first drill rod until the lower end surface of the notch is flush with the surface of the support plate, respectively inserting a limiting block along the direction of the notch until the first drill rod is fixed, disconnecting a hexagonal male joint on the drill rod short section from a hexagonal female joint of the first drill rod, positioning a second drill rod, rapidly butting the second drill rod with the hexagonal male joint of the drill rod short section, pulling out the limiting block, and continuously drilling and constructing the second drill rod until the height; and lifting the drill rod II, when the drill rod is lifted to the lower end face of the notch of the drill rod body and the supporting plate surface is parallel and level, respectively inserting the limiting blocks along the direction of the notch until the drill rod II is fixed, disconnecting the hexagonal male joint on the drill rod short section from the hexagonal female joint of the drill rod II, positioning the drill rod I, rapidly butting the hexagonal male joint of the drill rod short section, extracting the limiting blocks, continuously lifting the drill rod I until the drill rod I is extracted from the ground, and shifting and repeating the steps to construct the next pile.

Compared with the prior art, the invention provides a slot type drill rod quick butt joint device and a using method thereof, and the slot type drill rod quick butt joint device has the following advantages:

1. the operation is simple, the limiting blocks are tightly matched with the notches and the supporting plates, the verticality is good, the butt joint precision is high, and the efficiency is high;

2. as for the ultra-deep construction method, the construction can also be carried out by adopting a method of one-time or multiple-time drill rod butt joint, the pile machine has high stability and strong anti-overturning capability, other auxiliary machinery is not needed, and the cost is low.

Drawings

FIG. 1 is a schematic view of a slot type drill rod quick butt joint device

1 drill pipe nipple 2 limiting block 3 support plate

FIG. 2 is a schematic view of the drill pipe sub assembly

6 hexagonal female joint of 5 body of bore rods of 4 hexagonal male joint

FIG. 3 is a schematic view of a drill rod quick butt joint drill

No. 7 drill rod and No. 8 drill rod

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Examples

As shown in fig. 1, the device comprises a drill pipe short section 1, a limiting block 2 and a supporting plate 3, wherein the drill pipe short section 1 comprises a hexagonal male joint 4, a drill pipe body 5 and a hexagonal female joint 6, and two notches are formed in two sides of the drill pipe body 5; the device is embedded into a notch of a drill rod body 5 on the drill rod short section 1 through the limiting block 2, and then is closely attached to the plane of the supporting plate 3, so that the drill rod short section 1 is fixed, and rapid butt joint between drill rods is completed.

The invention relates to a use method of a slot type drill rod quick butt joint device, which comprises the following steps:

installing a drill rod short section 1 at a position of about 30 meters of a first drill rod 7, when the first drill rod 7 is drilled and constructed to about 30 meters, clamping a support plate 3 into the drill rod short section 7 along the direction of a notch of a drill rod body 5, continuously drilling the first drill rod 7 until the lower end face of the notch is flush with the face of the support plate 3, respectively inserting a limiting block 2 along the direction of the notch until the first drill rod 7 is fixed, disconnecting a hexagonal male joint 5 on the drill rod short section 1 from a hexagonal female joint of the first drill rod 7, positioning a second drill rod 8, rapidly butting the second drill rod 8 with the hexagonal male joint 6 of the drill rod short section 1, pulling out the limiting block 2, and continuously drilling and constructing the second drill rod 8 until the; no. two drilling rods 8 lift up, when lifting to the lower end face of the 5-slot opening of the drilling rod body and the 3-face parallel and level of the supporting plate, the limiting blocks 2 are inserted respectively along the direction of the slot opening until the No. two drilling rods 8 are fixed, the hexagonal male joint 4 on the drilling rod short section 1 is disconnected with the hexagonal female joint of the No. two drilling rods 8, the drilling rod 7 is in place, the drilling rod 7 is rapidly in butt joint with the hexagonal male joint 4 of the drilling rod short section 1, the limiting blocks 2 are extracted, the drilling rod 7 continues to lift up until the drilling rod 7 extracts the ground, and the next pile is constructed by.

Claims

1. The present invention relates to a notch type drill pipe quick docking device and a method of use, the device is composed of a drill pipe short joint, a limit block and a support plate, and the drill pipe short joint is composed of a hexagonal male joint, a drill pipe body. It is composed of a hexagonal female joint, and two notches are opened on both sides of the drill pipe body; the device is embedded with the notches of the drill pipe body on the drill pipe short section through the limit block, and then closely fits with the plane of the support plate , to fix the short section of the drill pipe, so as to complete the quick connection between the drill pipes.

2 . The device for quick docking of a slotted drill pipe and the method for using it according to claim 1 , wherein two slots are opened on both sides of the drill pipe body and are arranged symmetrically. 3 .

3 . The notch type drill pipe quick docking device and using method according to claim 2 , wherein the upper end face of the notch is 1-2 meters away from the lower end face of the hexagonal male joint. 4 .

4. A kind of slot type drill pipe quick docking device and using method according to claim 1, it is characterized in that, described using method comprises: installing drill pipe short joint at the position of about 30 meters of No. 1 drill pipe When the No. 1 drill pipe is drilled to about 30 meters, the support plate is inserted into the drill pipe short section along the direction of the drill pipe body notch, and the No. 1 drill pipe continues to drill until the lower end surface of the notch is flush with the support plate surface When the drill pipe is installed, insert the limit blocks in the direction of the notch until the No. 1 drill pipe is fixed, the hexagonal male joint on the drill pipe short joint is disconnected from the hexagonal female joint of the No. 1 drill pipe, the No. 2 drill pipe is in place, and the drill pipe can be quickly The hexagonal male joint of the short section of the rod is butted, and the limit block is pulled out, and the No. 2 drill pipe continues to drill until the pile bottom elevation; , insert the limit blocks in the direction of the notch until the No. 2 drill pipe is fixed, the hexagonal male joint on the drill pipe short section is disconnected from the hexagonal female joint of the No. 2 drill pipe, the No. 1 drill pipe is in place, and the drill pipe is quickly connected to the drill pipe. The hexagonal male joint of the short joint is butted, the limit block is pulled out, the No. 1 drill pipe continues to be raised until the No. 1 drill pipe is pulled out of the ground, and the above steps are repeated to construct the next pile.