CN209990443U

CN209990443U - A dive drill rod structure for rectangular pile foundation pore-forming

Info

Publication number: CN209990443U
Application number: CN201920448820.5U
Authority: CN
Inventors: 冀锴; 姚卫东
Original assignee: Hebei Jinjie Installation Engineering Co Ltd
Current assignee: Hebei Jinjie Installation Engineering Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-24
Anticipated expiration: 2029-04-03

Abstract

The utility model relates to the technical field of auxiliary devices of drilling equipment, in particular to a drill rod structure of a submersible drilling rig for forming holes on rectangular pile foundations; the cutting machine can cut hard objects such as large stones in soil, so that the rectangular pile foundation hole is not easy to collapse during forming, and the using amount of concrete during subsequent filling operation is reduced; the drilling machine comprises a drill rod, wherein a drill bit is arranged at the bottom end of the drill rod, a rectangular pile foundation cutting frame is arranged at the lower part of the drill rod, which is close to the drill bit, and excavating teeth are arranged at the bottom ends of four walls of the rectangular pile foundation cutting frame; the device comprises a device box, a left motor, a left speed reducer, a left rotating shaft, a right motor, a right speed reducer, a right rotating shaft, a front motor, a front speed reducer, a front rotating shaft, a rear motor, a rear speed reducer and a rear rotating shaft, and is characterized in that a partition plate is arranged in the device box, a first ball bearing is arranged in a first placing groove, a second ball bearing is arranged in a second placing groove, a third ball bearing is arranged in a third placing groove, and a fourth ball bearing is arranged in a fourth placing groove.

Description

A dive drill rod structure for rectangular pile foundation pore-forming

Technical Field

The utility model relates to a drilling equipment auxiliary device's technical field especially relates to a dive drill rod structure for rectangle pile foundation pore-forming.

Background

As is well known, a drill rod structure of a submersible drilling machine for forming holes on rectangular pile foundations is a device for drilling and forming the holes on the rectangular pile foundations, and is widely used in the field of drilling equipment; the existing diving drill rod structure for forming the hole by the rectangular pile foundation comprises a drill rod, wherein a drill bit is arranged at the bottom end of the drill rod, a rectangular pile foundation cutting frame is arranged at the lower part of the drill rod, which is close to the drill bit, and excavating teeth are arranged at the bottom ends of the four walls of the rectangular pile foundation cutting frame; when the existing diving drill rod structure for forming the holes with the rectangular pile foundations is used, the drilling process of a diving drill bit is utilized to drive the drill rod and the rectangular pile foundation cutting frame to cut pre-dug parallel round holes into rectangular pile foundation holes; the discovery in the current diving drill drilling rod structure for rectangle pile foundation pore-forming uses, when rectangle pile foundation cutting frame met hard objects such as great stone in the cutting process to soil, easily made the downthehole landslide that appears of pile foundation, made pile foundation hole grow, increased the use amount of concrete when treating to irritate the stake, had certain use limitation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can cut hard objects such as big stone in the soil, be difficult for appearing the collapse when making the shaping of rectangular pile foundation hole to the dive drill rod structure that is used for rectangular pile foundation pore-forming of concrete use amount when reducing follow-up filling operation.

The utility model discloses a submersible drilling rig drilling rod structure for rectangular pile foundation pore-forming, including the drilling rod, the drilling rod bottom is provided with the drill bit, the drilling rod lower part is provided with rectangular pile foundation cutting frame near the drill bit, rectangular pile foundation cutting frame four walls bottom all is provided with excavates the tooth; the drilling machine further comprises an equipment box, a left motor, a left speed reducer, a left rotating shaft, a right motor, a right speed reducer, a right rotating shaft, a front motor, a front speed reducer, a front rotating shaft, a rear motor, a rear speed reducer and a rear rotating shaft, wherein a working cavity is arranged in the equipment box, the drilling rod penetrates through the top wall and the bottom wall of the equipment box from the top end of the equipment box and penetrates out of the bottom end of the equipment box, the top wall and the bottom wall of the equipment box are fixedly connected with the drilling rod, a partition plate is arranged in the equipment box and divides the working cavity in the equipment box into an upper cavity and a lower cavity, the bottom ends of the left motor and the left speed reducer are both connected with the top end of the partition plate, the output end of the left motor is connected with the input end of the left speed reducer, the right end of the left rotating shaft is connected with the output end of the left speed, the left end of the left rotating shaft penetrates through the inside of the first ball bearing from the left end of the equipment box from the inside of the equipment box, the left end of the left rotating shaft is provided with a left cutting knife, the bottom ends of the right motor and the right speed reducer are both connected with the top end of the partition plate, the output end of the right motor is connected with the input end of the right speed reducer, the right end of the right rotating shaft is connected with the output end of the right speed reducer, the right side wall of the equipment box is provided with a second placing groove, a second ball bearing is arranged in the second placing groove, the right end of the right rotating shaft penetrates through the inside of the second ball bearing from the right end of the equipment box from the inside of the equipment box, the right end of the right rotating shaft is provided with a right cutting knife, the bottom ends of the front motor and the front speed reducer are both connected with the top end of the partition plate, the output end of the front motor is, the front end of the front rotating shaft penetrates through the inside of the third ball bearing from the front end of the equipment box, a front cutting knife is arranged at the front end of the front rotating shaft, the bottom ends of the rear motor and the rear speed reducer are connected with the top end of the partition plate, the output end of the rear motor is connected with the input end of the rear speed reducer, the front end of the rear rotating shaft is connected with the output end of the rear speed reducer, a fourth placing groove is arranged on the rear side wall of the equipment box, a fourth ball bearing is arranged in the fourth placing groove, the rear end of the rear rotating shaft penetrates through the inside of the fourth ball bearing from the rear end of the equipment box from the inside of the equipment box, and a rear cutting knife is arranged at the rear end of the rear rotating shaft.

The utility model discloses a submersible drilling rig drilling rod structure for rectangle pile foundation pore-forming still includes sludge pump and intercommunication hose, the bottom of sludge pump is connected with the diapire top of equipment box, the output of sludge pump is connected with the input of intercommunication hose, the output of intercommunication hose is passed the roof of space bar, equipment box and rectangle pile foundation cutting frame from the bottom of space bar and the roof of rectangle pile foundation cutting frame is worn out from the top of rectangle pile foundation cutting frame.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, be provided with multiunit evenly distributed's through-hole on the diapire of equipment box.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, the junction of left side pivot, right side pivot, preceding pivot and back pivot and equipment box all is provided with mechanical seal device.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, the top of equipment box is provided with four access holes of group, all be provided with the access door on the access hole, be provided with sealed rubber ring on the access door.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, be provided with four groups in the rectangle pile foundation cutting frame and strengthen the bracing, it connects the stull to strengthen being provided with between the bracing.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, the right-hand member of drilling rod is provided with the fixing clip, the intercommunication hose sets up in the fixing clip.

The utility model discloses a dive rig drilling rod structure for rectangle pile foundation pore-forming, left side cutting knife, right cutting knife, preceding cutting knife and back cutting knife are diamond dust material.

Compared with the prior art, the beneficial effects of the utility model are that: the left speed reducer is driven by a left motor, the left speed reducer drives a left rotating shaft, the left rotating shaft drives a left cutting knife, so that the left cutting knife rotates, the left cutting knife cuts hard objects such as soil and stones at the left end of the equipment box, the right speed reducer is driven by a right motor, the right speed reducer drives a right rotating shaft, the right rotating shaft drives a right cutting knife, so that the right cutting knife rotates, the right cutting knife cuts hard objects such as soil and stones at the right end of the equipment box, the front speed reducer is driven by a front motor, the front speed reducer drives a front rotating shaft, the front rotating shaft drives a front cutting knife, so that the front cutting knife rotates, the front cutting knife cuts hard objects such as soil and stones at the front end of the equipment box, the rear speed reducer is driven by a rear motor, the rear speed reducer drives a rear rotating shaft, the rear rotating shaft drives a rear cutting knife, so that the rear cutting knife rotates, and the rear, thereby cut off hard things such as stone, rectangular pile foundation hole is cut into to rethread rectangular pile foundation cutting frame, reduces rectangular pile foundation cutting frame and meets hard things such as stone and cause the condition emergence of the collapse in rectangular pile foundation hole in the course of the work to the quantity of concrete when reducing the bored concrete, it is more practical.

Drawings

Fig. 1 is a front plan view of the present invention;

fig. 2 is a schematic left-side plan view of the present invention;

fig. 3 is a schematic top plan view of the top of the equipment box of the present invention;

in the drawings, the reference numbers: 1. a drill stem; 2. a drill bit; 3. a rectangular pile foundation cutting frame; 4. digging teeth; 5. an equipment box; 6. a left motor; 7. a left speed reducer; 8. a left rotating shaft; 9. a right motor; 10. a right speed reducer; 11. a right rotating shaft; 12. a front speed reducer; 13. a front rotating shaft; 14. a rear motor; 15. a rear speed reducer; 16. a rear rotating shaft; 17. a partition plate; 18. a first ball bearing; 19. a left cutter; 20. a second ball bearing; 21. a right cutter; 22. a third ball bearing; 23. a front cutter; 24. a fourth ball bearing; 25. a rear cutter; 26. a sludge pump; 27. a communication hose; 28. a through hole; 29. a mechanical seal device; 30. an access door; 31. sealing the rubber ring; 32. reinforcing the inclined strut; 33. connecting the cross braces; 34. fixing the card; 35. a front motor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the utility model discloses a submersible drilling rig drill rod structure for rectangular pile foundation pore-forming, including drill rod 1, drill bit 2 is provided at the bottom end of drill rod 1, rectangular pile foundation cutting frame 3 is provided at the lower part of drill rod 1 near drill bit 2, and excavating teeth 4 are provided at the bottom end of four walls of rectangular pile foundation cutting frame 3; the drilling machine further comprises an equipment box 5, a left motor 6, a left speed reducer 7, a left rotating shaft 8, a right motor 9, a right speed reducer 10, a right rotating shaft 11, a front motor 35, a front speed reducer 12, a front rotating shaft 13, a rear motor 14, a rear speed reducer 15 and a rear rotating shaft 16, wherein a working cavity is arranged in the equipment box 5, a drill rod 1 penetrates through the top wall and the bottom wall of the equipment box 5 from the top end of the equipment box 5 and penetrates out of the bottom end of the equipment box 5, the top wall and the bottom wall of the equipment box 5 are fixedly connected with the drill rod 1, a partition plate 17 is arranged in the equipment box 5, the working cavity in the equipment box 5 is divided into an upper cavity and a lower cavity by the partition plate 17, the bottom ends of the left motor 6 and the left speed reducer 7 are both connected with the top end of the partition plate 17, the output end of the left motor 6 is connected with the input end of the left speed, a first ball bearing 18 is arranged in the first placing groove, the left end of the left rotating shaft 8 penetrates through the inside of the first ball bearing 18 from the equipment box 5 and penetrates out from the left end of the equipment box 5, the left end of the left rotating shaft 8 is provided with a left cutting knife 19, the bottom ends of the right motor 9 and the right speed reducer 10 are both connected with the top end of the spacing plate 17, the output end of the right motor 9 is connected with the input end of the right speed reducer 10, the right end of the right rotating shaft 11 is connected with the output end of the right speed reducer 10, the right side wall of the equipment box 5 is provided with a second placing groove, a second ball bearing 20 is arranged in the second placing groove, the right end of the right rotating shaft 11 penetrates through the inside of the second ball bearing 20 from the right end of the equipment box 5 from the equipment box 5, the right end of the right rotating shaft 11 is provided with a right cutting knife 21, the bottom ends of the front motor 35 and the front speed reducer 12 are both connected with, the rear end of the front rotating shaft 13 is connected with the output end of the front speed reducer 12, a third placing groove is arranged on the front side wall of the equipment box 5, a third ball bearing 22 is arranged in the third placing groove, the front end of the front rotating shaft 13 penetrates through the inside of the third ball bearing 22 from the front end of the equipment box 5 from the inside of the equipment box 5, a front cutting knife 23 is arranged at the front end of the front rotating shaft 13, the bottom ends of the rear motor 14 and the rear speed reducer 15 are both connected with the top end of the partition plate 17, the output end of the rear motor 14 is connected with the input end of the rear speed reducer 15, the front end of the rear rotating shaft 16 is connected with the output end of the rear speed reducer 15, a fourth placing groove is arranged on the rear side wall of the equipment box 5, a fourth ball bearing 24 is arranged in the fourth placing groove, the rear end of the rear rotating shaft 16 penetrates through the inside of the fourth ball bearing 24 from the inside of the equipment box 5; the left speed reducer is driven by a left motor, the left speed reducer drives a left rotating shaft, the left rotating shaft drives a left cutting knife, so that the left cutting knife rotates, the left cutting knife cuts hard objects such as soil and stones at the left end of the equipment box, the right speed reducer is driven by a right motor, the right speed reducer drives a right rotating shaft, the right rotating shaft drives a right cutting knife, so that the right cutting knife rotates, the right cutting knife cuts hard objects such as soil and stones at the right end of the equipment box, the front speed reducer is driven by a front motor, the front speed reducer drives a front rotating shaft, the front rotating shaft drives a front cutting knife, so that the front cutting knife rotates, the front cutting knife cuts hard objects such as soil and stones at the front end of the equipment box, the rear speed reducer is driven by a rear motor, the rear speed reducer drives a rear rotating shaft, the rear rotating shaft drives a rear cutting knife, so that the rear cutting knife rotates, and the rear, thereby cut off hard things such as stone, rectangular pile foundation hole is cut into to rethread rectangular pile foundation cutting frame, reduces rectangular pile foundation cutting frame and meets hard things such as stone and cause the condition emergence of the collapse in rectangular pile foundation hole in the course of the work to the quantity of concrete when reducing the bored concrete, it is more practical.

The utility model discloses a submersible drilling rig drilling rod structure for rectangular pile foundation pore-forming, still include sludge pump 26 and communicating hose 27, the bottom of sludge pump 26 is connected with the bottom wall top of equipment box 5, the output of sludge pump 26 is connected with the input of communicating hose 27, the output of communicating hose 27 passes partition plate 17, the roof of equipment box 5 and the roof of rectangular pile foundation cutting frame 3 frame from the bottom of partition plate 17 and wears out from the top of rectangular pile foundation cutting frame 3 frame; the water in the rectangular pile foundation hole is lifted through the sludge pump, so that the sludge is reduced, and the collapse of the rectangular device hole due to excessive muddy water is reduced.

The utility model discloses a drilling rod structure of a submersible drilling rig for forming holes with rectangular pile foundations, wherein a plurality of groups of through holes 28 which are uniformly distributed are arranged on the bottom wall of an equipment box 5; the through hole can enable muddy water to enter the lower cavity, so that the sludge pump can suck and convey the muddy water.

The utility model discloses a submersible drilling rig drill rod structure for rectangular pile foundation pore-forming, the joints of a left rotating shaft 8, a right rotating shaft 11, a front rotating shaft 13, a rear rotating shaft 16 and an equipment box 5 are all provided with a mechanical sealing device 29; the mechanical sealing device can increase the sealing performance, prevent muddy water from entering the upper cavity and protect equipment in the upper cavity to a certain extent.

The utility model discloses a dive drill rod structure for rectangular pile foundation pore-forming, the top of equipment box 5 is provided with four groups of access holes, all is provided with access door 30 on the access hole, is provided with sealing rubber ring 31 on access door 30; the equipment in the upper cavity of the equipment box can be overhauled through the access hole, and the equipment box is more convenient and faster.

The utility model discloses a drilling rod structure of a submersible drilling machine for rectangular pile foundation pore-forming, four groups of reinforced inclined struts 32 are arranged in a rectangular pile foundation cutting frame 3, and a connecting cross strut 33 is arranged between the reinforced inclined struts 32; the reinforcing inclined strut and the connecting support can increase the stability of the rectangular pile foundation cutting frame structure, so that the rectangular pile foundation cutting frame structure is not easy to deform, and is more firm and reliable.

The utility model discloses a submersible drilling rig drill rod structure for rectangular pile foundation pore-forming, the right end of the drill rod 1 is provided with a fixing clip 34, and a communication hose 27 is arranged in the fixing clip 34; the fixing clip can fix the communicating hose, so that the communicating hose is not easy to move, and the communicating hose is prevented from being cut off by each cutting knife.

The utility model relates to a drilling rod structure of a diving drill used for rectangular pile foundation pore-forming, a left cutting knife 19, a right cutting knife 21, a front cutting knife 23 and a rear cutting knife 25 are made of carborundum materials; the cutting knife made of carborundum material has better effect when cutting hard objects, is not easy to break and is more reliable when in use.

The utility model discloses a submersible drilling rig drilling rod structure for rectangular pile foundation pore-forming, when it works, before accomplishing the above-mentioned action, at first move it to the position that the user needed, with left motor, right motor, front motor and back motor respectively with commercial power connection and start, drive left speed reducer through left motor, left speed reducer drives left pivot, left pivot drives left cutting knife, thereby make left cutting knife rotate, left cutting knife cuts hard objects such as soil and stone at the left end of equipment box, drive right speed reducer through right motor, right speed reducer drives right pivot, right pivot drives right cutting knife, thereby make right cutting knife rotate, right cutting knife cuts hard objects such as soil and stone at the right-hand member of equipment box, drive front speed reducer through front motor, front pivot drives front cutting knife, thereby make front cutting knife rotate, the front cutter cuts hard objects such as soil and stones at the front end of the equipment box, the rear speed reducer is driven by the rear motor, the rear speed reducer drives the rear rotating shaft, the rear rotating shaft drives the rear cutter, so that the rear cutter rotates, the rear cutter cuts the hard objects such as soil and stones at the rear end of the equipment box, so that the hard objects such as stones are cut off, then the hard objects such as the stones are cut into rectangular pile foundation holes by the rectangular pile foundation cutting frame, the occurrence of collapse of the rectangular pile foundation holes caused by the fact that the rectangular pile foundation cutting frame meets the hard objects such as the stones in the working process is reduced, the drilling process of the drill bit of the submersible drilling machine drives the drill rod and the rectangular pile foundation cutting frame to cut the pre-excavated round holes side by side into the rectangular pile foundation holes, the sludge pump is connected with a mains supply and started, the sludge pump sucks and transports muddy water generated in the rectangular pile foundation holes to the ground, and (5) discharging.

The utility model discloses a submersible drilling rig drilling rod structure for rectangle pile foundation pore-forming, left motor, right motor, preceding motor, back motor and sludge pump are all bought to left motor, right motor, preceding motor, back motor and sludge pump all carry out the electricity through the instruction manual of buying together and connect.

The utility model discloses a dive drill rod structure for rectangle pile foundation pore-forming, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at many and give unnecessary details.

The utility model discloses a dive rig drilling rod structure for rectangular pile foundation pore-forming, under the condition that does not explain to the contrary, "about from top to bottom, front and back inside and outside and vertical level" and so on contain the position word in the term only represents the position of this term under the conventional use state, or is the colloquial name that technical personnel in this field understand, and should not regard as the restriction to this term, and simultaneously, the array nouns such as "first", "second" and "third" do not represent specific quantity and order, are only used for the differentiation of name.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A submersible drilling machine drill rod structure for forming holes with rectangular pile foundations comprises a drill rod (1), wherein a drill bit (2) is arranged at the bottom end of the drill rod (1), a rectangular pile foundation cutting frame (3) frame is arranged at the position, close to the drill bit (2), of the lower portion of the drill rod (1), and excavating teeth (4) are arranged at the bottom ends of the four walls of the rectangular pile foundation cutting frame (3) frame; the drilling rod drilling machine is characterized by further comprising an equipment box (5), a left motor (6), a left speed reducer (7), a left rotating shaft (8), a right motor (9), a right speed reducer (10), a right rotating shaft (11), a front motor (35), a front speed reducer (12), a front rotating shaft (13), a rear motor (14), a rear speed reducer (15) and a rear rotating shaft (16), wherein a working cavity is arranged in the equipment box (5), a drilling rod (1) penetrates through the top wall and the bottom wall of the equipment box (5) from the top end of the equipment box (5) and penetrates out of the bottom end of the equipment box (5), the top wall and the bottom wall of the equipment box (5) are fixedly connected with the drilling rod (1), a partition plate (17) is arranged in the equipment box (5), the working cavity in the equipment box (5) is divided into an upper cavity and a lower cavity by the partition plate (17), and the bottom ends of the left motor (6) and the left speed reducer (7) are connected, the output end of the left motor (6) is connected with the input end of the left speed reducer (7), the right end of the left rotating shaft (8) is connected with the output end of the left speed reducer (7), the left side wall of the equipment box (5) is provided with a first placing groove, a first ball bearing (18) is arranged in the first placing groove, the left end of the left rotating shaft (8) penetrates through the first ball bearing (18) from the inside of the equipment box (5) and penetrates out from the left end of the equipment box (5), the left end of the left rotating shaft (8) is provided with a left cutting knife (19), the bottom ends of the right motor (9) and the right speed reducer (10) are both connected with the top end of a partition plate (17), the output end of the right motor (9) is connected with the input end of the right speed reducer (10), the right end of the right rotating shaft (11) is connected with the output end of the right speed reducer (10), the right side wall of the equipment box (5) is provided with a, a second ball bearing (20) is arranged in the second placing groove, the right end of the right rotating shaft (11) penetrates through the inside of the second ball bearing (20) from the right end of the equipment box (5) from the inside of the equipment box (5), a right cutting knife (21) is arranged at the right end of the right rotating shaft (11), the bottom ends of the front motor (35) and the front speed reducer (12) are both connected with the top end of the partition plate (17), the output end of the front motor (35) is connected with the input end of the front speed reducer (12), the rear end of the front rotating shaft (13) is connected with the output end of the front speed reducer (12), a third placing groove is arranged on the front side wall of the equipment box (5), a third ball bearing (22) is arranged in the third placing groove, the front end of the front rotating shaft (13) penetrates through the inside of the third ball bearing (22) from the inside of the equipment box (5) and penetrates out of the front end of the equipment box (, the front end of preceding pivot (13) is provided with preceding cutting knife (23), the bottom of back motor (14) and back speed reducer (15) all is connected with the top of space bar (17), the output of back motor (14) is connected with the input of back speed reducer (15), the front end of back pivot (16) is connected with the output of back speed reducer (15), be provided with the fourth standing groove on the back lateral wall of equipment case (5), be provided with fourth ball bearing (24) in the fourth standing groove, the rear end of back pivot (16) is worn out from the rear end of equipment case (5) from passing fourth ball bearing (24) inside in equipment case (5), the rear end of back pivot (16) is provided with back cutting knife (25).

2. The submersible drilling rig drill rod structure for the hole forming of the rectangular pile foundation as claimed in claim 1, further comprising a sludge pump (26) and a communication hose (27), wherein the bottom end of the sludge pump (26) is connected with the top end of the bottom wall of the equipment box (5), the output end of the sludge pump (26) is connected with the input end of the communication hose (27), and the output end of the communication hose (27) penetrates through the partition plate (17), the top wall of the equipment box (5) and the top wall of the rectangular pile foundation cutting frame (3) frame from the bottom end of the partition plate (17) and penetrates out of the top end of the rectangular pile foundation cutting frame (3) frame.

3. The structure of the drill rod of the diving drill used for the rectangular pile foundation hole-forming is characterized in that the bottom wall of the equipment box (5) is provided with a plurality of groups of evenly distributed through holes (28).

4. The drill rod structure of the submersible drilling machine for the pore-forming of the rectangular pile foundation is characterized in that the joints of the left rotating shaft (8), the right rotating shaft (11), the front rotating shaft (13) and the rear rotating shaft (16) and the equipment box (5) are provided with mechanical sealing devices (29).

5. The submersible drilling machine drill rod structure for forming the hole through the rectangular pile foundation is characterized in that four groups of access ports are formed in the top end of the equipment box (5), each access port is provided with an access door (30), and each access door (30) is provided with a sealing rubber ring (31).

6. The structure of the drill rod of the diving drill for the hole forming of the rectangular pile foundation is characterized in that four groups of reinforcing inclined struts (32) are arranged in the frame of the cutting frame (3) of the rectangular pile foundation, and connecting cross struts (33) are arranged between the reinforcing inclined struts (32).

7. The structure of the drill rod of the diving drill rig for the hole forming of the rectangular pile foundation is characterized in that the right end of the drill rod (1) is provided with a fixing clip (34), and the communication hose (27) is arranged in the fixing clip (34).

8. The structure of the drill rod of the diving drill for the hole forming of the rectangular pile foundation as claimed in claim 7, characterized in that the left cutting knife (19), the right cutting knife (21), the front cutting knife (23) and the rear cutting knife (25) are made of carborundum.