CN217028818U - Pile machine drill rod connecting structure and pile machine drill rod - Google Patents

Pile machine drill rod connecting structure and pile machine drill rod Download PDF

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Publication number
CN217028818U
CN217028818U CN202123114287.5U CN202123114287U CN217028818U CN 217028818 U CN217028818 U CN 217028818U CN 202123114287 U CN202123114287 U CN 202123114287U CN 217028818 U CN217028818 U CN 217028818U
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China
Prior art keywords
hole
drill rod
male connector
pile machine
counter bore
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Active
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CN202123114287.5U
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Chinese (zh)
Inventor
刘柳
郭克诚
姜胜利
江永胜
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Hubei Qingyan Intelligent Piling Co ltd
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Hubei Qingyan Intelligent Piling Co ltd
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Abstract

The utility model provides a connecting structure of a drill rod of a pile machine, and relates to the field of drill rods of pile machines; stake machine drilling rod connection structure includes: the male connector, the female connector and the annular sealing gasket; the male connector is provided with a first through hole; the first through hole is arranged along the axial direction of the male connector; a first annular groove is formed in the end face of the bottom of the male connector; the first annular groove is arranged on the outer side of the first through hole in a surrounding mode; a counter bore for inserting the male connector is formed in the end face of the top of the female connector; the bottom of the counter bore is provided with a second through hole which is used for being communicated with the first through hole; the annular sealing gasket is arranged in the first annular groove and is used for being abutted against the bottom of the counter bore; when the male connector is connected with the female connector, the annular sealing gasket is abutted against the bottom of the counter bore, and the first through hole is communicated with the second through hole; the utility model further provides the drill rod of the pile machine, the air tightness of the male joint and the female joint during connection can be effectively improved, and the annular sealing gasket is convenient to install.

Description

Pile machine drill rod connecting structure and pile machine drill rod
Technical Field
The utility model relates to the field of drill rods of pile machines, in particular to a drill rod connecting structure of a pile machine and a drill rod of the pile machine.
Background
The pile machine drill stem is a structure for connecting the rig surface equipment and the drill bit at the bottom end of the borehole, capable of carrying drilling mud to the drill bit. The drilling device is limited by the length of the drill rods of the pile machine, and a plurality of drill rods of the pile machine are required to be connected and assembled through the drill rod connecting structure of the pile machine in the drilling process.
The existing drill rod connecting structure of the pile machine mainly comprises a male joint and a female joint; the outer side wall of the male connector is generally sleeved with a sealing ring to improve the sealing performance between the male connector and the side wall of the female connector; when the outer diameter of the sealing ring is smaller, the male connector is easy to insert into the female connector, but the sealing performance is poor; when the external diameter of sealing washer is bigger than normal, be difficult for the assembly of male joint and female joint, and easy the female joint shearing damage during the assembly leads to sealing performance relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of poor sealing performance of the existing pile machine drill rod connecting structure.
The utility model provides a pile machine drill rod connecting structure, which comprises: the male connector, the female connector and the annular sealing gasket;
the male connector is provided with a first through hole; the first through hole is arranged along the axial direction of the male connector; a first annular groove is formed in the bottom end face of the male connector; the first annular groove is arranged on the outer side of the first through hole in a surrounding mode;
a counter bore for inserting the male connector is formed in the end face of the top of the female connector; a second through hole communicated with the first through hole is formed in the bottom of the counter bore;
the annular sealing gasket is arranged in the first annular groove and is used for being abutted against the bottom of the counter bore; when the male connector is connected with the female connector, the annular sealing gasket is abutted against the bottom of the counter bore, and the first through hole is communicated with the second through hole.
Furthermore, the connecting structure of the drill rod of the pile machine also comprises a pin shaft; a pin shaft hole is arranged on the side wall of the female joint in a penetrating manner; correspondingly, a limiting hole or a limiting groove matched with the pin shaft hole is formed in the male joint; the pin shaft is used for being inserted into the pin shaft hole and the limiting hole or the pin shaft hole and the limiting groove, so that the male connector and the female connector are fixedly connected.
Furthermore, the number of the pin shafts is two; correspondingly, the number of the pin shaft holes is two, and the number of the limiting holes or the limiting grooves is two.
Further, the connecting structure of the drill rod of the pile machine further comprises a sealing ring; a second annular groove is formed in the side wall of the male connector; the sealing ring is sleeved in the second annular groove and used for being abutted to the inner side wall of the counter bore.
Further, the sealing ring is an O-shaped sealing ring or a Y-shaped sealing ring.
Further, the number of the second annular grooves is two; accordingly, the number of the seal rings is two.
Further, the first through hole is coaxially arranged with the first annular groove; the second through hole and the counter bore are coaxially arranged; when the male connector is inserted into the female connector, the first through hole and the second through hole are coaxially arranged.
Further, the annular sealing gasket is made of silica gel.
The utility model also provides a drill rod of the pile machine, which comprises the drill rod connecting structure of the pile machine, an outer drill rod and a core pipe;
the male joint and the female joint are respectively and fixedly arranged at two ends of the outer drill rod; the core pipe is positioned inside the outer drill rod; one end of the core tube is inserted into the first through hole, and the other end of the core tube is inserted into the second through hole.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the connecting structure of the drill rod of the pile machine comprises a male connector, a female connector and an annular sealing gasket; the male connector is provided with a first through hole; the first through hole is arranged along the axial direction of the male connector; a first annular groove is formed in the bottom end face of the male connector; the first annular groove is arranged on the outer side of the first through hole in a surrounding mode; a counter bore for inserting the male connector is formed in the end face of the top of the female connector; a second through hole communicated with the first through hole is formed in the bottom of the counter bore; the annular sealing gasket is arranged in the first annular groove and is used for being abutted against the bottom of the counter bore; when the male connector is connected with the female connector, the annular sealing gasket is abutted against the bottom of the counter bore, and the first through hole is communicated with the second through hole; the first annular groove is formed in the end face of the bottom of the male connector, the annular sealing gasket is arranged in the first annular groove, when the male connector is connected with the female connector, the male connector is inserted into the counter bore, the annular sealing gasket is abutted to the bottom of the counter bore, the air tightness of the male connector and the female connector can be effectively improved when the male connector is connected, and the annular sealing gasket is convenient to install.
Drawings
FIG. 1 is a schematic structural view of a drill rod connecting structure of a pile machine in a connecting state according to one embodiment of the utility model;
FIG. 2 is a schematic structural view of a male joint 1 in the drill rod connection structure of the pile machine of FIG. 1;
FIG. 3 is a schematic structural view of a female joint 2 in the drill rod connection structure of the pile machine of FIG. 1;
FIG. 4 is a schematic structural view of a drill rod of the piling machine in one embodiment of the present invention;
FIG. 5 is a schematic structural view of two drill rods of the piling machine of FIG. 4 in a connected state;
wherein, 1, a male connector; 101. a first through hole; 102. a limiting groove; 103. a second annular groove; 104. a first annular groove; 2. a female joint; 201. a counter bore; 202. a second through hole; 203. a pin shaft hole; 3. a pin shaft; 4. a seal ring; 5. an annular sealing gasket; 6. a core tube; 7. and an outer drill rod.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1 to 3, an embodiment of the present invention provides a connection structure for drill rods of a pile driver, including: the male connector 1, the female connector 2 and the annular sealing gasket 5;
the male connector 1 is provided with a first through hole 101; the first through hole 101 is arranged along the axial direction of the male connector 1; a first annular groove 104 is formed in the bottom end face of the male connector 1; the first annular groove 104 is circumferentially arranged outside the first through hole 101;
a counter bore 201 for inserting the male connector 1 is formed in the end face of the top of the female connector 2; the bottom of the counter bore 201 is provided with a second through hole 202 which is used for being communicated with the first through hole 101;
an annular sealing gasket 5 is arranged in the first annular groove 104 and is used for abutting against the bottom of the counter bore 201; when the male connector 1 is connected with the female connector 2, the annular sealing gasket 5 abuts against the bottom of the counter bore 201, and the first through hole 101 is communicated with the second through hole 202.
Exemplarily, in the present embodiment, the first through hole 101 is provided coaxially with the first annular groove 104; the second through hole 202 and the counter bore 201 are coaxially arranged; the first through hole 101 is disposed coaxially with the second through hole 202 when the male connector 1 is inserted into the female connector 2.
Specifically, the connecting structure of the drill rod of the pile machine further comprises a pin shaft 3; a pin shaft hole 203 is arranged on the side wall of the female joint 2 in a penetrating way; correspondingly, the male connector 1 is provided with a limit groove 102 matched with the pin shaft hole 203; the pin shaft 3 is used for being inserted into the pin shaft hole 203 and the limiting groove 102, so that the male connector 1 and the female connector 2 are fixedly connected; when the male connector 1 is inserted into the counterbore 201 and the annular sealing gasket 5 abuts against the bottom of the counterbore 201, the pin shaft hole 203 is aligned with the limiting groove 102, so that the pin shaft 3 can be inserted into the pin shaft hole 203 and the limiting groove 102, and the male connector 1 and the female connector 2 are fixed.
As a variation of this embodiment, the limiting groove 102 may be replaced with a limiting hole; the limiting hole penetrates through the side wall of the male connector 1; the pin shaft 3 is used for being inserted into the pin shaft hole 203 and the limiting hole to fix the male connector 1 and the female connector 2.
Exemplarily, the number of the pins 3 is two; correspondingly, the number of the pin shaft holes 203 and the limiting grooves 102 is two; the pin shaft holes 203 are distributed up and down on the side wall of the female joint 2.
Specifically, the connecting structure of the drill rod of the pile machine further comprises a sealing ring 4; a second annular groove 103 is formed in the side wall of the male connector 1; the second annular groove 103 is positioned below the limiting groove 102; the sealing ring 4 is sleeved in the second annular groove 103 and is used for abutting against the inner side wall of the counter bore 201; by additionally arranging the sealing ring 4, the male connector 1 and the female connector 2 can still be connected in an airtight manner when the annular sealing gasket 5 fails.
Further, the seal ring 4 is an O-ring or a Y-ring.
Exemplarily, in the present embodiment, the number of the second annular grooves 103 is two; accordingly, the number of the seal rings 4 is two, including one O-ring and one Y-ring.
Exemplarily, in this embodiment, the annular sealing gasket 5 is made of silica gel.
Referring to fig. 4 and 5, the utility model further provides a drill rod of the pile machine, which comprises the above-mentioned drill rod connection structure of the pile machine, an outer drill rod 7 and a core tube 6;
the male connector 1 and the female connector 2 are respectively fixedly arranged at two ends of the outer drill rod 7 and are respectively welded with the outer drill rod 7; the core pipe 6 is positioned inside the outer drill rod 7 and is used for conveying slurry; one end of the core tube 6 is inserted into the first through hole 101 and does not protrude out of the male connector 1; the other end of the core tube is inserted into the second through hole 202 and does not protrude out of the female connector 2; two ends of the core tube 6 are respectively welded with the male connector 1 and the female connector 2; when a plurality of pile machine drill rods are required to be connected, a male connector 1 on one pile machine drill rod is inserted into a female connector 2 on the other pile machine drill rod and is fixed through a pin shaft 3, so that the connection of one pile machine drill rod and the other pile machine drill rod is realized; at the moment, the core tube 6 in the drill rod of one pile machine is communicated with the core tube 6 in the drill rod of the other pile machine; and the rest is done in turn to realize the connection of the drilling rods of the multi-pile machine.
The use method of the connection structure of the drill rods of the pile machine in the embodiment comprises the following steps:
when the male connector 1 is required to be connected with the female connector 2, the male connector 1 is inserted into the counterbore 201, and the annular sealing gasket 5 is abutted against the bottom of the counterbore 201; and then the pin shaft 3 is inserted into the pin shaft hole 203 and the limit groove 102, so that the male connector 1 and the female connector 2 are connected in a sealing manner.
The above is not relevant and is applicable to the prior art.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A stake machine drilling rod connection structure which characterized in that includes: the male connector, the female connector and the annular sealing gasket;
the male connector is provided with a first through hole; the first through hole is arranged along the axial direction of the male connector; a first annular groove is formed in the bottom end face of the male connector; the first annular groove is arranged on the outer side of the first through hole in a surrounding mode;
a counter bore for inserting the male connector is formed in the end face of the top of the female connector; a second through hole communicated with the first through hole is formed in the bottom of the counter bore;
the annular sealing gasket is arranged in the first annular groove and is used for being abutted against the bottom of the counter bore; when the male connector is connected with the female connector, the annular sealing gasket is abutted against the bottom of the counter bore, and the first through hole is communicated with the second through hole.
2. The pile machine drill rod connecting structure according to claim 1, further comprising a pin; a pin shaft hole is arranged on the side wall of the female joint in a penetrating manner; correspondingly, a limiting hole or a limiting groove matched with the pin shaft hole is formed in the male joint; the pin shaft is used for being inserted into the pin shaft hole and the limiting hole or the pin shaft hole and the limiting groove, so that the male connector and the female connector are fixedly connected.
3. The pile machine drill rod connecting structure according to claim 2, wherein the number of the pin shafts is two; correspondingly, the number of the pin shaft holes is two, and the number of the limiting holes or the limiting grooves is two.
4. The pile machine drill rod connection structure of claim 1, further comprising a sealing ring; a second annular groove is formed in the side wall of the male connector; the sealing ring is sleeved in the second annular groove and is used for being abutted to the inner side wall of the counter bore.
5. The pile machine drill rod connecting structure according to claim 4, wherein the sealing ring is an O-shaped sealing ring or a Y-shaped sealing ring.
6. The pile driver rod connecting structure according to claim 4, wherein the number of the second annular grooves is two; accordingly, the number of the seal rings is two.
7. The pile machine drill rod connecting structure according to claim 1, wherein the first through hole is provided coaxially with the first annular groove; the second through hole and the counter bore are coaxially arranged; when the male connector is inserted into the female connector, the first through hole and the second through hole are coaxially arranged.
8. The pile machine drill rod connecting structure according to claim 1, wherein the annular sealing gasket is made of silica gel.
9. A drill rod of a pile machine, characterized by comprising the drill rod connecting structure of the pile machine, an outer drill rod and a core tube according to any one of claims 1 to 8;
the male joint and the female joint are respectively and fixedly arranged at two ends of the outer drill rod; the core pipe is positioned inside the outer drill rod; one end of the core tube is inserted into the first through hole, and the other end of the core tube is inserted into the second through hole.
CN202123114287.5U 2021-12-13 2021-12-13 Pile machine drill rod connecting structure and pile machine drill rod Active CN217028818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123114287.5U CN217028818U (en) 2021-12-13 2021-12-13 Pile machine drill rod connecting structure and pile machine drill rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123114287.5U CN217028818U (en) 2021-12-13 2021-12-13 Pile machine drill rod connecting structure and pile machine drill rod

Publications (1)

Publication Number Publication Date
CN217028818U true CN217028818U (en) 2022-07-22

Family

ID=82440643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123114287.5U Active CN217028818U (en) 2021-12-13 2021-12-13 Pile machine drill rod connecting structure and pile machine drill rod

Country Status (1)

Country Link
CN (1) CN217028818U (en)

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