CN112983294A

CN112983294A - Butt joint device, drill rod and pile machine

Info

Publication number: CN112983294A
Application number: CN201911281381.4A
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-18

Abstract

The invention provides a butt joint device, a drill rod and a pile machine, wherein the butt joint device comprises a female joint and a male joint which are in matched butt joint, the male joint is provided with an inserting section, the female joint is provided with a bearing cavity, when the female joint and the male joint are in a butt joint state, the inserting section is inserted into the bearing cavity to be matched with and transmit torque, an external locking piece is arranged between the female joint and the male joint to fixedly connect the female joint and the male joint, the inserting section of the male joint is matched with the bearing cavity of the female joint to transmit the torque, the torque is transmitted integrally at the contact part of the inserting section and the female joint, the integral stress is applied to the contact part of the inserting section and the female joint, the butt joint device is not easy to wear and damage, the situation that existing threaded threads are worn out and can not be used any more is avoided, and the service life is prolonged.

Description

Butt joint device, drill rod and pile machine

Technical Field

The invention relates to the technical field of drill pipe pile machines, in particular to a butt joint device, a drill pipe and a pile machine.

Background

At present, the pile driver that uses on the building site, often pile construction depth is greater than the height of stake machine far away, and the length of single section drilling rod receives the restriction of pile driver height and can not reach pile construction depth requirement, in order to solve such problem, the pile driver is reserve the drilling rod that multisection can dock usually and is lengthened the operation in order to satisfy the construction requirement, but the operating condition of drilling rod is very abominable, and the atress condition is very complicated, along with the increase of well drilling depth, to drilling rod intensity especially its connection site intensity and stability's requirement more and more high.

The existing drill rod two ends are connected by an upper joint and a lower joint through threads, one of the upper joint and the lower joint is provided with an internal thread, the other is provided with an external thread, when two drill rods are butted, the butt joint end of the drill rod is directly screwed into the butt joint end of the other drill rod, the torque is transmitted by a screw joint when the drill rod rotates, the drill rod is stressed by the threads, after long-term use, wear inevitably occurs to screw threads of the threads on the drill rod joint, the screw threads wear causes the upper joint and the lower joint to be incapable of being screwed, namely, the upper joint and the lower joint are butted and cannot be unscrewed, the butt joint cannot be realized any more when the drill rod is not butted, so that the whole drill rod.

Disclosure of Invention

The invention provides a butt joint device, a drill rod and a pile machine, which aims to solve the technical problem that threads of a joint are abraded due to the fact that threads of the joint are directly stressed when a drill rod rotates in the existing joint device.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

the utility model provides a butt joint ware, includes the female joint and the male joint of cooperation butt joint, the male joint has the grafting section, the female joint has accepts the chamber, works as the female joint with the male joint is in the butt joint state, the grafting section inserts accept the intracavity with the cooperation transmission moment of torsion, the female joint with be equipped with outer retaining member between the male joint in order will the female joint with the male joint is connected fixedly.

Specifically, the butt joint process of the butt joint device provided by the invention is to insert the inserting section of the male joint into the bearing cavity of the female joint, and then fixedly connect the female joint and the male joint through the outer locking piece.

Compared with the prior art, the invention has the beneficial effects that: the splicing section of the male connector is matched with the bearing cavity of the female connector to transmit torque, the torque is transmitted integrally at the contact position of the outer wall of the splicing section and the inner wall of the female connector, the splicing section and the female connector are integrally and continuously stressed at the contact position, are not easy to wear and damage, and the condition that a screw tooth cannot be reused after being worn in the conventional threaded connection structure is avoided, so that the service life is prolonged.

Further, outer retaining member includes first retaining member and the second retaining member of cooperation connection, first retaining member and second retaining member are located respectively the box with on the public joint.

The second locking piece is a screwed piece, and the first locking piece is a connecting thread matched with the internal thread of the screwed piece; one of the female connector and the male connector is movably sleeved with the threaded piece, and the other one is provided with the connecting thread on the outer wall. The butt joint device realizes the stable connection of the female joint and the male joint through the connection of the screw connecting piece and the connecting screw thread and realizes the sealing connection of the female joint and the male joint, the existing butt joint device is stressed directly through the screw thread connection, and the phenomenon of unsealing can occur after screw threads are worn.

Be equipped with the stopping ring that acceptable drive power removed on the first retaining member, the stopping ring orientation the protruding circumference that sets up more than two align to grid of second retaining member keeps off the tooth, the tip orientation of second retaining member first retaining member sets up the face tooth ratchet, works as first retaining member with when the connection is accomplished to the second retaining member, circumference keeps off the tooth and can reverse the face tooth ratchet that stops. Through the clamping of the circumferential retaining teeth on the first retaining member and the end face tooth ratchet wheel on the second retaining member, the retaining ring can always enable the circumferential retaining teeth to clamp the end face tooth ratchet wheel when external driving force is not available, the stability of the butt joint device during rotation is improved, and when the butt joint device rotates reversely, the circumferential retaining teeth clamp the end face tooth ratchet wheel, the first retaining member and the second retaining member are effectively guaranteed to rotate together, the first retaining member and the second retaining member are prevented from being disconnected, the butt joint device can rotate in two forward and reverse directions when used, and the applicability of the butt joint device is enhanced.

In addition, the invention also provides a drill rod, and the specific scheme is as follows:

a drill rod comprises a rod body and the butt joint device, wherein the female joint and the male joint are respectively installed and fixed at two axial ends of the rod body.

The drill rod provided by the invention comprises the butt joint device, so that the drill rod has the same function as the butt joint device.

In addition, the invention also provides a pile machine, and the concrete scheme is as follows:

the utility model provides a stake machine, includes stake machine body and aforementioned drilling rod, stake machine body is including the disassembly body, the disassembly body can in the tip of drilling rod to the thrust that keeps away from the second retaining member is applyed in the stopping ring so that on the stopping ring circumference keep off the tooth with the second retaining member the end face tooth ratchet breaks away from mutually.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a state diagram of the docking adapter during docking according to an embodiment of the present invention;

FIG. 2 is a state diagram of the embodiment of the present invention with the dockee disassembled;

FIG. 3 is an axial cross-sectional view of the dockee as docked in an embodiment of the present invention;

FIG. 4 is a schematic structural view of a drill rod in an embodiment of the present invention;

FIG. 5 is a schematic illustration of a drill pipe to drill pipe interface in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a pile machine in an embodiment of the invention;

FIG. 7 is an enlarged schematic view of portion A of FIG. 6;

FIG. 8 is an enlarged schematic view of portion B of FIG. 6;

FIG. 9 is a schematic structural view of a first detachment mechanism in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a first clamping mechanism according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a second detachment mechanism in an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a second clamping mechanism in the embodiment of the invention.

Reference numerals: 100. a pile machine; 10. a drill stem; 1. a butt joint device; 11. a female joint; 111. a receiving chamber; 112. a second locking member; 112a, a screw connector; 1121. a face tooth ratchet; 12. a male connector; 121. a plug section; 122. a first locking member; 122a, connecting threads; 123. a tapered section; 13. a check ring; 131. circumferential blocking teeth; 14. an elastic member; 15. an axial spacing ring; 16a, a first axial through hole; 16b, a second axial through hole; 16c, a third axial through hole; 16d, a fourth axial through hole; 16A, a first channel; 16B, a second channel; 17. a first seal member; 18. a second seal member; 2. a rod body; 3. connecting sleeves; 20. a pile machine body; 30. a disassembly mechanism; 31. a first disassembly mechanism; 311. a first driving member; 312. a first stripper; 313. a limiting frame; 3131. a limiting hook; 31311. an inclined pressing block; 31312. a support hook; 3132. a swing frame; 31321. clamping the roller; 3133. a track bar; 32. a second disassembly mechanism; 321. a second stripper; 3211. a groove; 322. a second driving member; 40. a lower pressure head; 50. a clamping mechanism; 51. a first clamping mechanism; 511. a hugging block; 5111. tightly holding the roller; 52. a second clamping mechanism; 521. clamping; 5211. a clamp; 5212. a roller; 53. a clamping member; 54. a driver; 55. a support frame; 56. a fixed seat; 60. a power head; 70. and a drill rod moving structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.

In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The first embodiment,

Referring to fig. 1, 2 and 3, fig. 1 is a state diagram of the docking device 1 of the present invention during docking; fig. 2 is a state view of the present invention with the dockee 1 disassembled; figure 3 is a cross-sectional view of the dockee 1 of the present invention.

The embodiment provides a butt joint device 1 for butt joint of drill rods 10, which comprises a female joint 11 and a male joint 12 which are in matched butt joint, wherein the male joint 12 is provided with a plug section 121, the female joint 11 is provided with a bearing cavity 111, the plug section 121 is inserted into the bearing cavity 111 to be matched with and transmit torque when the female joint 11 and the male joint 12 are in a butt joint state, and an external locking piece is arranged between the female joint 11 and the male joint 12 to fixedly connect the female joint 11 and the male joint 12.

Specifically, the docking process of the docking device 1 provided by the present invention is to insert the insertion section 121 of the male connector 12 into the receiving cavity 111 of the female connector 11, and then connect and fix the female connector 11 and the male connector 12 through the outer locking member.

The inserting section 121 of the male connector 12 is matched with the bearing cavity 111 of the female connector 11 to transmit torque, the torque is transmitted integrally at the contact position of the outer wall of the inserting section 121 and the inner wall of the female connector 11, the inserting section 121 and the female connector 11 are integrally and continuously stressed at the contact position, are not easy to wear and damage, and the condition that a screw thread cannot be reused after being worn in an existing threaded connection structure is avoided, so that the service life is prolonged.

Example II,

In the present embodiment, the same portions as those in the first embodiment are given the same reference numerals, and the same description is omitted.

Referring to fig. 1 to fig. 3, the docking unit 1 provided in this embodiment further has such a different structural design as compared to the first embodiment:

the external locking member comprises a first locking member 122 and a second locking member 112 which are connected in a matching way, and the first locking member 122 and the second locking member 112 are respectively arranged on the female connector 11 and the male connector 12. The second locking member 112 is a screw member 112a, the first locking member 122 is a connecting thread 122a adapted to the internal thread of the screw member 112a, one of the female connector 11 and the male connector 12 movably fits the screw member 112a, and the other is provided with the connecting thread 122a on the outer wall. The female joint 11 and the male joint 12 are connected and fixed through the screw connection of the screw connection piece 112a and the connection screw thread 122a, and the female joint 11 and the male joint 12 can be further connected and sealed, the existing butt joint is stressed through screw connection directly, and the phenomenon of unsealing can occur after screw threads are worn.

The screw member 112a is screwed to the box 11 or the pin 12, that is, when the box 11 and the pin 12 are completely butted, the screw member 112a is simultaneously screwed to the screw thread of the box 11 or the pin 12 for fixing the screw member 112a and the connecting screw thread 122 a.

Or, the screw 112a is clamped on the female connector 11 or the male connector 12, a convex ring may be arranged on the female connector 11 or the male connector 12, the convex ring is clamped with one end of the screw 112a, and the upper side of the convex ring has a position for the screw 112a to move.

Example III,

In this embodiment, the same portions as those in the first and second embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 1 to 3, the docking unit 1 provided in this embodiment further has such a different structural design as compared to the first and second embodiments:

the plug section 121 is in non-circular contact with the receiving cavity 111 (non-circular means non-complete circle in the circumferential direction), and there is no gap between the plug section 121 and the receiving cavity 111, and torque is transmitted through the non-circular contact. More preferably, the wall of the receiving cavity 111 and the outer wall of the inserting section 121 are regular polygon stress surfaces, and the male joint 12 and the female joint 11 are in surface-to-surface copying contact to transfer torque, so that the stress area is increased, the torque is stably transferred, the stability is improved, the damage is not easy, and the service life is prolonged.

The male joint 12 is also provided with a conical section 123 positioned at the front end of the plugging section 121, a first axial through hole 16a is formed between the small-diameter end of the conical section 123 and the tail part of the male joint 12, and a second axial through hole 16b is formed between the outer conical surface of the conical section 123 and the tail part of the male joint 12; a third axial through hole 16c and a fourth axial through hole 16d are formed between the tail part of the female joint 11 and the cavity bottom of the bearing cavity 111, when the female joint 11 and the male joint 12 are butted and fixed, the first axial through hole 16A is communicated with the third axial through hole 16c to form a first channel 16A, and the second axial through hole 16B is communicated with the fourth axial through hole 16d through the bearing cavity 111 to form a second channel 16B.

After the plug section 121 of the male connector 12 is inserted into the receiving cavity 111 of the female connector 11, the end of the plug section 121 abuts against the top wall of the receiving cavity 111, and the bottom of the plug section 121 abuts against the lower end of the female connector 11. The axis of the first axial through hole 16a substantially coincides with the axis of the male connector 12, the second axial through hole 16b is located beside the first axial through hole 16a, and the axis of the third axial through hole 16c substantially coincides with the axis of the female connector 11, but the axis of the third axial through hole 16c may of course be radially offset from the axis of the female connector 11. The fourth axial through hole 16d is located beside the third axial through hole 16c, after the inserting section 121 is inserted into the receiving cavity 111, the first axial through hole 16A and the third axial through hole 16c are butted to form a first channel 16A, the second axial through hole 16B and the fourth axial through hole 16d are both communicated with the receiving cavity 111 to form a second channel 16B, and the receiving cavity 111 butted with the front end of the male connector 12 is provided with a gap to communicate the second axial through hole 16B and the fourth axial through hole 16d by arranging the front end of the male connector 12 into the tapered section 123, so that the two channels are reasonably arranged, and different materials can be effectively conveyed when the butt joint device 1 is used.

In addition, the tapered section 123 is provided with a first seal 17 that can isolate the first passage 16A from the second passage 16B.

An equal-diameter circular transition section is formed between the inserting section 121 and the conical section 123, a second sealing element 18 is arranged on the circular transition section, and when the female joint 11 and the male joint 12 are in a butt joint fixing state, the second sealing element 18 abuts against the equal-diameter circular transition section to seal the second channel 16B and the inserting section 121.

Example four,

In this embodiment, the same portions as those in the first, second, and third embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 1 to 3, the docking unit 1 provided in this embodiment further has such a different structural design as compared to the first, second, and third embodiments:

the first locking member 122 is provided with a retaining ring 13 capable of receiving driving force to move, the retaining ring 13 protrudes towards the second locking member 112 to be provided with more than two circumferential retaining teeth 131 which are uniformly arranged, the end part of the second locking member 112 is provided with an end surface tooth ratchet wheel 1121 towards the first locking member 122, and when the first locking member 122 and the second locking member 112 are connected, the circumferential retaining teeth 131 can reversely block the end surface tooth ratchet wheel 1121. Through the clamping of the circumferential retaining tooth 131 on the first locking member 122 and the end face tooth ratchet 1121 on the second locking member 112, the anti-return ring 13 can always keep the circumferential retaining tooth 131 clamped with the end face tooth ratchet 1121 when no external driving force is available, so that the stability of the butt joint device 1 in rotation is improved, and when the butt joint device 1 rotates in the reverse direction, due to the clamping of the circumferential retaining tooth 131 and the end face tooth ratchet 1121, the first locking member 122 and the second locking member 112 are effectively ensured to rotate together, the first locking member 122 and the second locking member 112 are prevented from being disconnected, so that the butt joint device 1 can rotate in the positive direction and the reverse direction when in use, and the applicability of the butt joint device 1 is enhanced.

Specifically, in the process of screwing the screw 112a to the connection thread 122a, the screw 112a is screwed to abut against the tooth tips of the circumferential retaining teeth 131, when the screw 112a is screwed continuously, the anti-back ring 13 is pressed down to move, and the anti-back ring 13 moves in the direction away from the screw 112a, so that the screw 112a can be screwed continuously to realize torque overload protection until the screw 112a is screwed to abut against the anti-back ring 13, and at this time, the circumferential retaining teeth 131 are locked with the end surface tooth ratchet 1121.

The blocking surface of the circumferential blocking tooth 131 faces the blocking surface on the end surface tooth ratchet 1121, so that when the butt joint unit 1 rotates reversely, the blocking surfaces of the circumferential blocking tooth 131 and the end surface tooth ratchet 1121 are stressed and are not easy to disengage, and the circumferential blocking tooth 131 and the end surface tooth ratchet 1121 are effectively prevented from disengaging and being blocked.

The circumferential retaining teeth 131 are matched with the accommodating grooves between the adjacent clamping teeth on the end surface tooth ratchet wheel 1121, preferably, the depth of the accommodating grooves is greater than the height of the circumferential retaining teeth 131, so that the circumferential retaining teeth 131 are matched with the end surface tooth ratchet wheel 1121 more tightly, and the circumferential retaining teeth 131 are clamped with the end surface tooth ratchet wheel 1121 more stably.

A plurality of elastic elements 14 are uniformly arranged on the lower side of the anti-backing ring 13 in the circumferential direction, specifically, the elastic elements 14 are arranged between the axial limiting ring 15 and the anti-backing ring 13, and the elastic elements 14 give supporting force to the anti-backing ring 13, so that the anti-backing ring 13 can always clamp the circumferential retaining teeth 131 and the end face tooth ratchet wheel 1121 when no external driving force exists, and the stability of the butt joint device 1 in rotation is improved. And through evenly setting up a plurality of elastic component 14 in order to give the stable holding power of check ring 13, when external force pushed check ring 13, elastic component 14 can evenly give the power that check ring 13 reset, and check ring 13 evenly atress has guaranteed the stability that circumference keeps off tooth 131 and terminal surface tooth ratchet 1121 card end.

The elastic member 14 is an urging spring axially abutting against the retainer ring 13, and the urging spring is a rectangular spring or a plate-like plate spring to stably apply a force for the retainer ring 13 to support the circumferential teeth 131 and the end-face-teeth ratchet 1121 for locking.

The extrusion spring and the anti-return ring 13 are integrated, or the lower end of the anti-return ring 13 is provided with a limiting groove in which the extrusion spring is embedded, so that the extrusion spring is prevented from being separated from the anti-return ring 13, and the stability of clamping the circumferential retaining teeth 131 and the end face tooth ratchet 1121 is ensured.

Example V,

In this embodiment, the same portions as those in the first, second, third and fourth embodiments are given the same reference numerals, and the same description is omitted.

Referring to fig. 1-6, fig. 4 is a schematic illustration of the construction of the drill pipe 10 of the present invention; FIG. 5 is a schematic illustration of the present invention with drill pipe 10 docked with drill pipe 10; fig. 6 is a schematic structural view of the pile machine 100 of the present invention. Relative to the first, second, third, and fourth embodiments, the pile machine 100 provided in this embodiment:

the piling machine 100 includes a piling machine body 20 and a drill rod 10.

Wherein, the drilling rod 10 includes the body of rod 2 and aforementioned butt joint ware 1, female joint 11 and male joint 12 install respectively and are fixed in the axial both ends of the body of rod 2 to when drilling rod 10 docks or drilling rod 10 is connected with stake machine 100 through female joint 11 and male joint 12 butt joint can, convenient operation, and by the grafting section 121 and the female joint 11 cooperation transmission moment of torsion of male joint 12, the moment of torsion transmission is stable when drilling rod 10 rotates, drilling rod 10 is not fragile, improves drilling rod 10's life.

Preferably, the female joint 11 and the male joint 12 are respectively fixed on the rod body 2 through a connecting sleeve 3, and can be replaced when the female joint 11 or the male joint 12 is damaged, so that the service life of the rod body 2 of the drill rod 10 is prolonged, and the connecting sleeve 3 and the female joint and the male joint form an axial limiting ring 15 to support the elastic member 14.

Preferably, the connection sleeve 3 is integrated with the rod body 2, so as to be conveniently connected with the female joint 11 and the male joint 12, and the stability of the drill rod 10 can be enhanced by connecting the rod body 2 with the female joint 11 and the male joint 12.

The pile driver body 20 comprises a dismounting mechanism 30, the dismounting mechanism 30 can apply a pushing force far away from the second locking member 112 to the anti-return ring 13 at the end part of the drill rod 10 so as to separate the circumferential blocking teeth 131 on the anti-return ring 13 from the end surface tooth ratchet wheel 1121 of the second locking member 112, the dismounting mechanism 30 drives the butted drill rod 10 or the butted drill rod 10 and the anti-return ring 13 of the pile driver 100 to separate the circumferential blocking teeth 131 from the end surface tooth ratchet wheel 1121, so that the butted drill rod 10 or the butted drill rod 10 is separated from the clamping connection with the pile driver 100, the dismounting can be operated, and the operation is simple and convenient.

Specifically, the drill rod 10 is installed on the pile machine 100, the position of the first locking member 122 with the anti-return ring 13 is located at the dismounting mechanism 30, when the dismounting mechanism 30 gives a pushing force to the anti-return ring 13, the anti-return ring 13 moves, so that the circumferential stopping teeth 131 on the anti-return ring 13 are separated from the face tooth ratchet wheel 1121 of the second locking member 112, the first locking member 122 and the second locking member 112 can be dismounted, and the butted drill rod 10 or the butted drill rod 10 can be dismounted from the pile machine 100.

Example six,

In this embodiment, the same portions as those in the first, second, third, fourth and fifth embodiments are given the same reference numerals, and the same description thereof is omitted.

Referring to fig. 1 to 9, fig. 7 is an enlarged schematic view of a portion a in fig. 6, fig. 8 is an enlarged schematic view of a portion B in fig. 6, fig. 9 is a structural schematic view of a first dismounting mechanism 31, and the pile driver 100 provided by the present embodiment further has such a different structural design as compared with the first, second, third, fourth, and fifth embodiments:

the pile driver body 20 further comprises a lower pressing head 40, the lower pressing head 40 is provided with a female joint 11 which is matched and connected with a male joint 12 of the drill rod 10, when the drill rod 10 is connected with the lower pressing head 40 completely, the insertion section 121 of the drill rod 10 is inserted into the receiving cavity 111 of the lower pressing head 40, the first locking piece 122 on the lower pressing head 40 is connected with the second locking piece 112 on the drill rod 10, and the circumferential stopping tooth 131 is clamped with the end face tooth ratchet 1121. Specifically, the lower pressing head 40 is used for pressing the drill rod 10 downwards to the underground, the dismounting mechanism 30 is located beside the second locking member 112 of the lower pressing head 40, and when the drill rod 10 and the lower pressing head 40 are dismounted, the anti-return ring 13 clamped with the second locking member 112 of the lower pressing head 40 is pressed downwards, so that the circumferential stop teeth 131 on the anti-return ring 13 are separated from the clamping of the end face tooth ratchet wheel 1121, and the second locking member 112 of the lower pressing head 40 cannot rotate along with the rotation of the drill rod 10 during rotation, so that the dismounting is realized.

The dismounting mechanism 30 comprises a first dismounting mechanism 31, the first dismounting mechanism 31 is located at the joint of the lower ram 40 and the drill rod 10 or at the joint of the butted drill rod 10, the first dismounting mechanism 31 comprises a first driving piece 311, a first dismounting piece 312 and a limiting frame 313, the first dismounting piece 312 is movably mounted on the limiting frame 313, and the first driving piece 311 drives the first dismounting piece 312 to apply a pushing force far away from the second locking piece 112 to the stop ring 13 so that the circumferential stopping teeth 131 on the stop ring 13 are separated from the end surface tooth ratchet wheel 1121 of the second locking piece 112. Preferably, the stop frame 313 includes a plurality of stop hooks 3131 and two swing frames 3132 hinged to each other, and two free ends of the two swing frames 3132 are connected to a first driving member 311, the stop hooks 3131 include an inclined block 31311 and a support hook 31312, the inclined block 31311 is fixedly connected to the swing frame 3132 at one end and fixedly connected to the support hook 31312 at the other end, a gap is formed between a bottom end surface of the inclined block 31311 and an end surface of the support hook 31312, and a bottom end surface of the inclined block 31311 has an inclined surface, the first dismounting member 312 is movably disposed in the gap between the inclined block 31311 and the support hook 31312, the first dismounting member 312 at the gap has a pressing inclined surface adapted to the inclined surface at the bottom end of the inclined block 31311, when the dismounting ram 40 and the boring bar 10 or when dismounting the two butted boring bars 10, the first driving member 311 drives the two swing frames 3132 to move and clamp, the swing frame 3132 drives the inclined block 31311 to move and press the first dismounting member 312 so that the first dismounting member 312 applies a pushing force far away from the locking member 112 on the second stop ring 13 to make the The stop tooth 131 disengages from the face tooth ratchet 1121 of the second lock member 112 so that the second lock member 112 does not follow the rotation when the drill rod 10 is rotated.

Preferably, one end of the swing frame 3132 to which the first driving element 311 is connected is movably disposed on the rail strip 3133, so that the movement of the swing frame 3132 is more stable when the first driving element 311 drives the swing frame 3132 to move.

Preferably, the swing frame 3132 has a clamping roller 31321 facing the direction of the boring bar 10, the axial direction of the clamping roller 31321 is different from the axial direction of the boring bar 10, when the removal ram 40 and the boring bar 10 are removed or two butted boring bars 10 are removed, the first driving member 311 drives the two swing frames 3132 to move, the clamping roller 31321 clamps the second locker 112, and the second locker 112 does not follow the rotation when the boring bar 10 rotates.

Example seven,

In this embodiment, the same portions as those in the first, second, third, fourth, fifth, and sixth embodiments are given the same reference numerals, and the same description thereof is omitted.

Referring to fig. 1 to 12, fig. 10 is a schematic structural view of the first clamping mechanism 51; fig. 11 is a schematic structural view of the second detachment mechanism 32; fig. 12 is a schematic structural diagram of the second clamping mechanism 52, and compared with the fifth embodiment and the sixth embodiment, the pile machine 100 provided by the present embodiment further has such a different structural design:

the pile machine body 20 further comprises a clamping and holding mechanism 50 for clamping and holding the drill rod 10, the clamping and holding mechanism 50 is located beside the drill rod 10, the clamping and holding mechanism 50 comprises a clamping piece 53 and a driver 54, the driver 54 is connected with and drives the clamping piece 53 to clamp the drill rod 10, and when the lower pressure head 40 and the drill rod 10 or two butted drill rods 10 are disassembled, the clamping and holding mechanism 50 clamps and holds the drill rod 10 to prevent the drill rod 10 from falling.

The clamping and holding mechanism 50 comprises a first clamping and holding mechanism 51 and a second clamping and holding mechanism 52, the first clamping and holding mechanism 51 and the second clamping and holding mechanism 52 both comprise a clamping piece 53 and a driver 54, and when two butted drill rods 10 are disassembled, the first clamping and holding mechanism 51 and the second clamping and holding mechanism 52 respectively clamp and hold an upper drill rod and a lower drill rod so as to prevent the upper drill rod and the lower drill rod from falling off during disassembly.

Preferably, the clamping member 53 of the first clamping mechanism 51 is a clamping block 511 with a clamping roller 5111, and the driver 54 of the first clamping mechanism 51 drives the clamping block 511 to move so that the clamping roller 5111 clamps the drill rod 10. Specifically, the first clamping and holding mechanism 51 has a U-shaped groove, the drill rod 10 is located in the U-shaped groove, the clamping blocks 511 and the drivers 54 are arranged on two sides of the U-shaped groove, when the drill rod 10 is clamped and held, the drivers 54 on two sides drive the clamping blocks 511 on the same side, the drill rod 10 is clamped from two sides, and therefore the drill rod 10 is stably clamped, the axis direction of the clamping roller 5111 is acute or right-angled to the axis direction of the drill rod 10, so that when the drill rod 10 is disassembled and butted, the rotation of the upper drill rod is limited, the rotation of the lower drill rod is limited, and the screw connector 112a of the upper drill rod is separated from the screw connector 122a of the male connector 12 of the lower drill rod.

Preferably, the clamping member 53 of the second clamping mechanism 52 is a rotatable clamping jaw 521, and the driver 54 of the second clamping mechanism 52 drives the clamping jaw 521 to clamp the drill rod 10. Specifically, the drill rod 10 is located in the middle of the clamp 521, and the clamp 521 clamps the drill rod 10 when being clamped together. More preferably, the clamp 521 has a plurality of rollers 5212 on a side adjacent to the drill rod 10, and the axial direction of the rollers 5212 is the same as the axial direction of the drill rod 10, so that the drill rod 10 can be rotated in the circumferential direction while preventing the drill rod 10 from falling. More preferably, the pile driver body 20 is provided with a support frame 55, the clamp 521 includes two clamping members 5211, the two clamping members 5211 are movably and fixedly disposed on the support frame 55, a fixing seat 56 is disposed in the middle of one end of each of the two clamping members 5211, two ends of each of the two drivers 54 are respectively connected to the clamping members 5211 and the fixing seat 56, the position of the clamping member 5211 is limited by the fixing seat 56, the drivers 54 are disposed on two sides of the fixing seat 56, when the drivers 54 are used simultaneously, the traction force can be eliminated, the fixing seat 56 is prevented from being damaged, and the stability and.

The dismounting mechanism 30 includes a second dismounting mechanism 32, the second dismounting mechanism 32 includes a second dismounting member 321 and a second driving member 322, the second dismounting member 321 and the second driving member 322 are both installed on the lower end face of the first clamping mechanism 51, the second driving member 322 is connected with and drives the second dismounting member 321 to clamp the drill rod 10, when two butted drill rods 10 are dismounted, the second driving member 322 drives the second dismounting member 321 to clamp the drill rod 10, the drill rod 10 moves upwards, and the second dismounting member 321 applies a pushing force far away from the second locking member 112 to the stop ring 13 to separate the circumferential blocking teeth 131 from the end face tooth ratchet wheel 1121. Specifically, the second dismounting mechanism 32 is a clamping plate disposed on the lower end face of the first clamping mechanism 51, a clamping plate and a second driving member 322 are disposed on two sides of the U-shaped groove, the two clamping plates are clamped together, when the drill rod 10 is lifted up by the drill rod 10 moving structure, the clamping plate presses the stop ring 13 downward, so that the circumferential stop tooth 131 is disengaged from the end face tooth ratchet 1121, the power head 60 rotates the drill rod 10, and the screw connector 112a of the upper drill rod is disengaged from the connecting thread 122a of the male connector 12 of the lower drill rod. Preferably, the second dismounting member 321 has a groove 3211 adapted to the outer surface of the drill rod 10, so that the drill rod 10 is clamped together, and the through hole of the clamping is smaller than the diameter of the retaining ring 13.

The pile driver body 20 further comprises a power head 60 and a drill rod 10 moving structure, wherein the power head 60 is used for rotating the drill rod 10, and the drill rod 10 moving structure is used for moving the drill rod 10 into a working area of the drill rod 10 of the pile driver body 20 or out of the working area of the drill rod 10 of the pile driver body 20 and moving the drill rod 10 upwards. Specifically, the lower pressure head 40, the first detaching mechanism 31, the first clamping mechanism 51, the second detaching mechanism 32, the second clamping mechanism 52 and the power head 60 are sequentially arranged from top to bottom.

Example eight,

In this embodiment, the same portions as those in the first, second, third, fourth, fifth, sixth, and seventh embodiments are given the same reference numerals, and the same description thereof is omitted.

Referring to fig. 1 to 12, relative to the first, second, third, fourth, fifth, sixth, and seventh embodiments, the present embodiment provides a method for disassembling and assembling a drill rod 10 in a pile machine 100, including a method for disassembling and assembling the drill rod 10.

The disassembly method comprises the steps of disassembling the lower pressing head 40 and the drill rod 10, and disassembling the drill rod 10 and the drill rod 10;

the disassembly of the lower ram 40 from the drill pipe 10 comprises the steps of:

firstly, the first dismounting mechanism 31 clamps the screw in the lower pressing head 40 and enables the circumferential blocking tooth 131 to be disengaged from the end face tooth ratchet wheel 1121; meanwhile, the clamping mechanism 50 clamps the drill rod 10 to prevent the drill rod 10 from axially falling;

and step two, the power head 60 rotates the drill rod 10 to enable the screw thread 112a of the lower pressure head 40 to be separated from the screw thread 122a of the drill rod 10.

Specifically, in the first step, the first driving element 311 drives the swing frame 3132 to clamp the screw member in the lower ram 40, and at the same time, the swing frame 3132 drives the inclined pressing block 31311 to move and press the first dismounting member 312, and the first dismounting member 312 presses the retaining ring 13 downward to disengage the end surface tooth ratchet 1121 on the screw member in the lower ram 40 from the circumferential stop tooth 131 on the drill rod 10.

The disassembly of the drill rod 10 from the drill rod 10 comprises the following steps:

step 1, moving a structure of a drill rod 10 to connect a male joint 12 of an upper drill rod, lifting the upper drill rod and a lower drill rod, and pressing a stop ring 13 downwards by a second dismounting mechanism 32 while the upper drill rod and the lower drill rod move upwards to separate an end face tooth ratchet 1121 of an upper screw connector of the lower drill rod from a circumferential stop tooth 131 on the upper drill rod;

step 2, the first clamping mechanism 51 clamps the upper drill rod, and the second clamping mechanism 52 clamps the lower drill rod;

and 3, rotating the lower drill rod by the power head 60 to enable the screw connector 112a of the upper drill rod to be separated from the connecting screw thread 122a of the lower drill rod.

Specifically, in the step 1, the second driving element 322 drives the second dismounting element 321 to clamp, and when the drill rod 10 is lifted up by the moving structure of the drill rod 10, the second dismounting element 321 presses the stop ring 13 downwards, so that the end face tooth ratchet wheel 1121 of the upper screw-connection element of the lower drill rod is separated from the circumferential stop tooth 131 on the upper drill rod; in step 2, the driver 54 of the first clamping and holding mechanism 51 drives the clamping block 511 to move so that the clamping roller 5111 clamps the upper drill rod, and the driver 54 of the second clamping and holding mechanism 52 drives the clamp 521 to clamp the lower drill rod.

The installation method comprises the following steps:

step a, moving an outer drill rod to a drill rod 10 connecting position of the pile machine 100 through a drill rod 10 moving structure, and butting a female joint 11 of the outer drill rod with a male joint 12 of the drill rod 10 on the pile machine 100;

b, clamping and embracing the outer drill rod by the first clamping and embracing mechanism 51 to prevent the outer drill rod from axially falling, and then releasing the outer drill rod by the moving structure of the drill rod 10 and moving the outer drill rod out of the pile driver 100;

step c, the power head 60 rotates the inner drill rod to enable the screw thread 112a of the female joint 11 of the inner drill rod and the screw thread 122a of the male joint 12 of the outer drill rod to be in screw thread connection, and the end face tooth ratchet wheel 1121 is clamped with the circumferential blocking tooth 131;

and d, moving the lower pressing head 40 downwards, butting the female joint 11 of the lower pressing head 40 with the male joint 12 of the outer drill rod, rotating the inner drill rod and the outer drill rod by the power head 60, enabling the connecting thread 122a of the male joint 12 of the outer drill rod to be in threaded connection with the threaded part 112a of the female joint 11 of the lower pressing head 40, and clamping the end face tooth ratchet wheel 1121 with the circumferential blocking tooth 131.

Specifically, before the step a, the lower pressing head 40 and the inner drill rod are disassembled, after the lower pressing head 40 and the drill rod 10 are disassembled, the lower pressing head 40 is moved upwards to the upper part of the pile driver 100 to leave the position where the moving structure of the drill rod 10 is moved into the pile driver 100, and in the step a, when the outer drill rod is in butt joint with the inner drill rod, the insertion section 121 of the male joint 12 is firstly inserted into the non-circular accommodating cavity 111 of the female joint 11; in step d, when the lower pressing head 40 moves downwards, the inserting section 121 of the male joint 12 of the outer drill rod is inserted into the non-circular accommodating cavity 111 of the female joint 11 of the lower pressing head 40.

In the first to eighth embodiments, in the butt joint process of the butt joint device 1, the insertion section 121 of the male joint 12 is matched with the female joint 11 for transmission to realize torque transmission, and the movable threaded part 112a on the female joint 11 is in threaded connection with the connecting thread 122a on the male joint 12 to realize stable connection between the female joint 11 and the male joint 12, so that the butt joint device 1 of the present invention has stable torque transmission, does not affect other structures in the torque transmission process, prolongs the service life, and is easy to butt joint. Some technical implementations of the first to eighth embodiments may be combined or replaced.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is defined by the appended claims, and several modifications and amendments made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as the scope of the present invention.

Claims

1. The utility model provides a butt connector which characterized in that, includes female joint and the male joint that cooperatees and dock, the male joint has the grafting section, the female joint has accepts the chamber, when the female joint with the male joint is in the butt joint state, the grafting section inserts accept the intracavity with the cooperation transmission moment of torsion, the female joint with be equipped with outer locking piece between the male joint in order will the female joint with the male joint is connected fixedly.

2. A docking station according to claim 1 wherein said outer locking member comprises first and second locking members cooperatively associated with each other and disposed on said female connector and said male connector, respectively.

3. The docking station of claim 2, wherein the second locking member is a threaded member and the first locking member is a connecting thread adapted to the internal thread of the threaded member;

one of the female connector and the male connector is movably sleeved with the threaded piece, and the other one is provided with the connecting thread on the outer wall;

the screw connector is in screwed connection with the female connector or the male connector, or the screw connector is in clamped connection with the female connector or the male connector.

4. The dockee of claim 2, wherein the male segment is in non-circular contact with the receiving cavity with no gap therebetween;

the wall of the bearing cavity and the outer wall of the splicing section are regular polygon stress surfaces;

the male connector is also provided with a conical section positioned at the front end of the inserting section, a first axial through hole is formed between the small-diameter end of the conical section and the tail part of the male connector, and a second axial through hole is formed between the outer conical surface of the conical section and the tail part of the male connector;

a third axial through hole and a fourth axial through hole are formed between the tail of the female joint and the cavity bottom of the bearing cavity, when the female joint and the male joint are butted and fixed, the first axial through hole and the third axial through hole are communicated to form a first channel, and the second axial through hole is communicated with the fourth axial through hole through the bearing cavity to form a second channel;

the conical section is provided with a first sealing element capable of isolating the first channel and the second channel;

an equal-diameter circular transition section is formed between the inserting section and the conical section, a second sealing element is arranged on the circular transition section, and when the female joint and the male joint are in a butt joint fixed state, the second sealing element abuts against the equal-diameter circular transition section to seal the second channel and the inserting section.

5. A docking station according to any of claims 2 to 4 wherein the first locking member has a retaining ring thereon which is movable by the driving force, the retaining ring having two or more circumferential retaining teeth arranged uniformly on its projection toward the second locking member, the end of the second locking member having a face tooth ratchet thereon toward the first locking member, the circumferential retaining teeth being capable of reversibly retaining the face tooth ratchet when the first and second locking members are fully engaged.

The blocking surface of the circumferential blocking tooth faces the blocking surface on the end surface tooth ratchet wheel;

the circumferential blocking teeth are matched with accommodating grooves between adjacent clamping teeth on the end face tooth ratchet wheel; preferably, the depth of the accommodating groove is greater than the height of the circumferential blocking teeth;

a plurality of elastic pieces are uniformly arranged on the lower side of the check ring in the circumferential direction;

the elastic part is an extrusion spring which is axially abutted against the check ring, and the extrusion spring is a rectangular spring or a sheet-shaped plate spring;

the extrusion spring and the check ring are of an integral structure, or the lower end of the check ring is provided with a limiting groove in which the extrusion spring is embedded.

6. A drill pipe, comprising a pipe body and the butt joint device as claimed in claim 5, wherein the female joint and the male joint are respectively installed and fixed at two axial ends of the pipe body;

the female joint and the male joint are respectively installed and fixed on the rod body through a connecting sleeve;

the connecting sleeve and the rod body are of an integral structure.

7. A pile driver, characterized in that, including stake machine body and claim 6 the drilling rod, stake machine body includes disassembly body, disassembly body can in the tip of drilling rod to the thrust of keeping away from the second retaining member is applyed to the stopping ring so that on the stopping ring circumference fender tooth with the second retaining member the face tooth ratchet breaks away from.

8. The pile machine of claim 7 wherein said pile body further includes a lower ram having a female connector matingly engageable with a male connector of said drill pipe, said first retaining member on said lower ram being engageable with said second retaining member on said drill pipe and said circumferential stop tooth being ratcheted with said face tooth when said drill pipe is fully engaged with said lower ram;

the disassembly mechanism comprises a first disassembly mechanism, the first disassembly mechanism is positioned at the joint of the lower pressure head and the drill rod or at the butt joint of the butted drill rods, the first disassembly mechanism comprises a first driving piece, a first disassembly piece and a limiting frame, the first disassembly piece is movably arranged on the limiting frame, and the first driving piece drives the first disassembly piece to apply thrust far away from the second locking piece to the stopping ring so that the circumferential stop teeth on the stopping ring are separated from the end face tooth ratchet wheel of the second locking piece;

the limiting frame comprises a plurality of limiting hooks and two swing frames which are hinged with each other, the free ends of the two swing frames are both connected with a first driving piece, the limiting hooks comprise an inclined pressing block and a supporting hook, one end of the inclined pressing block is fixedly connected with the swing frame, the other end of the inclined pressing block is fixedly connected with the supporting hook, a gap is arranged between the end surface of the bottom end of the inclined pressing block and the end surface of the supporting hook, the end face of the bottom end of the inclined pressing block is provided with an inclined plane, the first dismounting part is movably arranged at the gap between the inclined pressing block and the supporting hook, the first dismounting part positioned at the gap is provided with an extrusion inclined plane matched with the inclined plane at the bottom end of the inclined pressing block, when the pressure head and the drill rod are disassembled or two butted drill rods are disassembled, the first driving piece drives the two swing frames to move and clamp, the swing frames drive the inclined pressure blocks to move and extrude the first disassembling piece so that the first disassembling piece applies thrust far away from the second locking piece to the anti-backing ring to enable the circumferential stop teeth on the anti-backing ring to be separated from the end face tooth ratchet wheel of the second locking piece;

one end of the swing frame connected with the first driving piece is movably arranged on the track strip;

the swing span has the clamping roller towards the drilling rod direction, and when dismantling pressure head and drilling rod or dismantle two butt joint drilling rods, two swing spans of first driving piece drive remove, and the clamping roller presss from both sides tight second retaining member so that the drilling rod is disconnected with first retaining member when rotating second retaining member.

9. The pile machine of claim 7, wherein the pile machine body further comprises a clamping and embracing mechanism for clamping and embracing a drill rod, the clamping and embracing mechanism being located beside the drill rod, the clamping and embracing mechanism comprising a clamping member and a driver, the driver being connected to and driving the clamping member to clamp the drill rod;

the clamping and holding mechanism comprises a first clamping and holding mechanism and a second clamping and holding mechanism, and the first clamping and holding mechanism and the second clamping and holding mechanism respectively comprise the clamping piece and the driver;

the clamping piece of the first clamping mechanism is a clamping block with a clamping roller, and the driver of the first clamping mechanism drives the clamping block to move so that the clamping roller clamps the drill rod;

the clamping piece of the second clamping mechanism is a clamp capable of being clamped in a rotating mode, and the driver of the second clamping mechanism drives the clamp to clamp the drill rod in a clamping mode;

the clamp is provided with a plurality of rollers at one side close to the drill rod, and the axial lead direction of the rollers is the same as that of the drill rod;

the axial lead of the holding roller and the rolling axial lead of the rolling shaft are different in direction;

the pile driver comprises a pile driver body, and is characterized in that a support frame is arranged on the pile driver body, a clamp comprises two clamping pieces, the two clamping pieces are movably fixedly arranged on the support frame, a fixed seat is arranged in the middle of one end of each clamping piece, and two ends of each driver are respectively connected with the clamping pieces and the fixed seats.

10. The pile machine according to claim 9, wherein the dismounting mechanism comprises a second dismounting mechanism, the second dismounting mechanism comprises a second dismounting member and a second driving member, the second dismounting member and the second driving member are both mounted on the lower end face of the first clamping mechanism, the second driving member is connected with and drives the second dismounting member to clamp the drill rods, when two butted drill rods are dismounted, the second driving member drives the second dismounting member to clamp the drill rods, the drill rods move upwards, and the second dismounting member applies a pushing force far away from the second locking member to the stopping ring to enable the circumferential blocking teeth to be disengaged from the end face tooth ratchet wheel;

the second dismounting part is provided with a groove matched with the outer surface of the drill rod;

the pile machine body further comprises a power head and a drill rod moving structure, the power head is used for rotating a drill rod, and the drill rod moving structure is used for moving the drill rod into a drill rod working area of the pile machine body or out of the drill rod working area of the pile machine body and moving the drill rod upwards.