CN211397434U

CN211397434U - Foundation pit support bored pile construction equipment

Info

Publication number: CN211397434U
Application number: CN201921799421.XU
Authority: CN
Inventors: 张骞; 徐旖旎; 徐剑; 曾万源; 吴书波
Original assignee: Shandong Daxin Yingde Construction Project Management Co ltd; Qingdao Bohai Construction Group Co Ltd
Current assignee: Shandong Daxin Yingde Construction Project Management Co ltd; Qingdao Bohai Construction Group Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-09-01
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a excavation supporting drilling bored concrete pile construction equipment, including digging the rig body soon, it is provided with the drilling rod on the rig body to dig soon, it is connected with the unit head to dig to slide on the rig body soon, the drilling rod peg graft in the unit head, the bottom of drilling rod is provided with the drill bit body, the bottom of drill bit body articulates there is the drill bit bottom, drill bit bottom below is provided with the sawtooth, the drill bit body set up in the drill bit bottom, be provided with the push pedal in the drill bit body. Has the advantages that: the water inlet pipe is inserted into the second internal threaded hole, the water inlet pipe is communicated with the interior of the drill bit body, water is led into the drill bit body, the inner wall of the drill bit body can be cleaned through the actions, and the cleanness of the drill bit body is guaranteed.

Description

Foundation pit support bored pile construction equipment

Technical Field

The utility model relates to a building foundation engineering equipment field particularly, relates to a excavation supporting bored concrete pile construction equipment.

Background

In the process of foundation pit supporting bored pile construction, a rotary drilling rig is often used for drilling holes, a drill rod is arranged on the rotary drilling rig body, the rotary drilling rig body is connected with a power head in a sliding mode, the drill rod is inserted into the power head, the bottom of the drill rod is provided with a drill bit, the main working component of the rotary drilling rig is the drill bit, the drill bit comprises a drill bit body and a drill bit bottom cover, drilling teeth are arranged below the bottom cover, the drill bit enters a drill hole, the power head drives the drill rod to rotate, so that the drill bit bottom cover rotates soil into the drill bit body, the drill bit body is filled with the drill bit, the drill bit is lifted to the ground through the drill bit, an operator opens the drill bit bottom cover and discharges the soil in the drill bit body, however, when the clay soil is encountered, the soil.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bored concrete pile construction equipment is strutted to foundation ditch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a foundation pit supporting drilling bored concrete pile construction device comprises a rotary drilling rig body, wherein a drill rod is arranged on the rotary drilling rig body, a power head is connected to the rotary drilling rig body in a sliding mode, the drill rod is inserted into the power head, a drill bit body is arranged at the bottom of the drill rod, a drill bit bottom cover is hinged to the bottom of the drill bit body, sawteeth are arranged below the drill bit bottom cover, the drill bit body is arranged at the bottom end of the drill rod, a push plate is arranged in the drill bit body, a plurality of push rods are vertically and fixedly connected to the top end of the push plate, abutting rings are fixedly connected to the top ends of the push rods, the abutting rings are located below the power head and are abutted and matched with the bottom end of the power head, a connecting rod is rotatably connected to the top end of the drill bit body, the connecting rod dorsad the bottom joint cooperation of sloping piece has the pothook, pothook fixed connection keeps away from the one end of its pin joint in the drill bit bottom, the push pedal bottom mounting is equipped with a plurality of scraper blade, the other end of a plurality of scraper blade respectively with the drill bit inner wall contacts, and a plurality of scraper blade can be dismantled by two parts and be connected, a plurality of second internal thread hole has been seted up on the drill bit, insert in the second internal thread hole and be equipped with the assorted second threaded rod, a plurality of second internal thread hole is interior to match and is inserted and be equipped with the inlet tube, the outer wall of inlet tube is carved with a plurality of second internal thread downthe.

Furthermore, sliding cylinders are fixedly arranged at the joints of the drill body and the push rods, and the push rods are respectively connected with the corresponding sliding cylinders in a sliding manner.

Furthermore, a torsion spring is arranged between the connecting rod and the drill bit body, an isolation groove is formed in the drill bit body at the connecting rod, and the connecting rod is located in the isolation groove.

Furthermore, a plurality of scraper blade comprises the body of rod and doctor-bar, the body of rod is located first internal thread hole has been seted up in doctor-bar one end, the doctor-bar is located body of rod one end fixed be equipped with internal thread hole assorted first threaded rod, the doctor-bar with the drill bit body inner wall contacts.

Furthermore, the water inlet pipe is connected with water supply equipment, and the water supply equipment is arranged in the rotary drilling rig body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the drill bit body is driven by the drill rod to lift, so that the drill bit body extends into a drill hole to perform hole opening and soil unloading, the power head provides torque for the drill rod to rotate, the drill bit body and the drill bit bottom cover rotate, soil at the bottom of the hole is screwed into the drill bit body by matching with the drill teeth, the power head moves towards the direction close to the drill bit body, the power head supports against the supporting ring, the supporting ring drives the push rod to slide downwards, the push plate moves towards the bottom end of the drill bit body under the driving of the push rod and pushes the soil in the drill bit body towards the bottom end of the drill bit body, when the push plate scrapes and pushes the soil in the drill bit body, the scraper is driven to scrape and push part of the soil in the drill bit body to the bottom in advance, the soil pushing force of a subsequent push plate is reduced, the soil pushing amount of the push plate is reduced, in the process, the power head can support the inclined block at the top end of the connecting rod, the inclined block and the top end of the connecting rod are pushed towards the outer side, meanwhile, the connecting rod moves towards the direction far away from the clamping hook back to the bottom end of one surface of the inclined block, the connecting rod is separated from the clamping hook, the drill bit bottom cover is turned downwards under the action of gravity, the bottom end of the drill bit body is communicated with the outside, the water inlet pipe is inserted into the second internal threaded hole and communicated with the inside of the drill bit body, water is led into the drill bit body, the inner wall of the drill bit body can be cleaned through the action, and cleanness of the.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a foundation pit support bored pile construction apparatus according to an embodiment of the present invention;

fig. 2 is according to the utility model discloses a push rod schematic diagram of excavation supporting drilling bored concrete pile construction equipment.

Reference numerals:

1. a rotary drilling rig body; 2. a drill stem; 3. a power head; 4. a bit body; 5. a drill bit bottom cover; 6. saw teeth; 7. Pushing the plate; 8. a push rod; 9. a support ring; 10. a connecting rod; 11. a sloping block; 12. a hook; 13. a squeegee; 14. A rod body; 15. scraping a blade; 16. an internally threaded bore; 17. a first threaded rod; 18. a second internally threaded bore; 19. A second threaded rod; 20. a water inlet pipe; 21. a slide cylinder; 22. a torsion spring; 23. and (4) isolating the groove.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-2, a foundation pit supporting bored concrete pile construction device according to an embodiment of the present invention includes a rotary drilling rig body 1, a drill rod 2 is disposed on the rotary drilling rig body 1, a power head 3 is slidably connected to the rotary drilling rig body 1, the drill rod 2 is inserted into the power head 3, a drill bit body 4 is disposed at the bottom of the drill rod 2, a drill bottom cover 5 is hinged to the bottom of the drill bit body 4, saw teeth 6 are disposed below the drill bottom cover 5, the drill bit body 4 is disposed at the bottom of the drill rod 2, a push plate 7 is disposed in the drill bit body 4, a plurality of push rods 8 are vertically and fixedly connected to the top of the push plate 7, a retaining ring 9 is fixedly connected to the top of the plurality of push rods 8, the retaining ring 9 is disposed below the power head 3 and is in abutting fit with the bottom of the power head 3, a connecting rod 10 is rotatably connected to the top of, the top of connecting rod 10 is equipped with sloping block 11 towards the one end of unit head 3 is fixed, connecting rod 10 dorsad the cooperation of the bottom joint of sloping block 11 has pothook 12, pothook 12 fixed connection keeps away from the one end of its pin joint in drill bit bottom 5, push pedal 7 bottom mounting is equipped with a plurality of scraper blade 13, the other end of a plurality of scraper blade 13 respectively with the 4 inner walls of drill bit body contact, a plurality of scraper blade 13 can be dismantled by two parts and be connected, a plurality of second internal thread hole 18 has been seted up on drill bit body 4, second internal thread hole 18 interpolation is equipped with assorted second threaded rod 19, and the matching is inserted in a plurality of second internal thread hole 18 and is equipped with inlet tube 20, the outer wall of inlet tube 20 is carved with the inside assorted external screw thread in a plurality of second internal thread hole.

Example two:

referring to fig. 1, for a bit body 4, sliding cylinders 21 are fixedly disposed at the joints of the bit body 4 and a plurality of push rods 8, and the plurality of push rods 8 are respectively slidably connected to the corresponding sliding cylinders 21.

Through the above technical scheme of the utility model, beneficial effect: the sliding cylinder 21 limits the sliding direction of the push rod 8, and the situation that the push rod 8 shakes when sliding at the top end of the drill bit body 4 is reduced.

Example three:

referring to fig. 1, for the connecting rod 10, a torsion spring 22 is disposed between the connecting rod 10 and the bit body 4, the bit body 4 is provided with an isolation groove 23 at the connecting rod 10, and the connecting rod 10 is located in the isolation groove 23.

Through the above technical scheme of the utility model, beneficial effect: the torsion spring 22 makes the connecting rod 10 have a tendency of moving towards the direction of clamping with the clamping hook 12, and the torsion spring 22 makes the clamping relation of the connecting rod 10 and the clamping hook 12 closer, so as to reduce the situation that the connecting rod 10 is separated from the clamping hook 12 due to shaking, and the drill bottom cover 5 is accidentally turned over.

Example four:

referring to fig. 1-2, for the scrapers 13, the scrapers 13 are composed of a rod 14 and scrapers 15, a first internal threaded hole 16 is formed in one end of the rod 14, which is located at the scrapers 15, a first threaded rod 17 matched with the internal threaded hole 16 is fixedly arranged at one end of the rod 14, which is located at the scrapers 15, and the scrapers 15 are in contact with the inner wall of the bit body 4.

Through the above technical scheme of the utility model, beneficial effect: the scrapers 13 are detachably connected by two parts, so that the scrapers 15 can be replaced conveniently.

Example five:

referring to fig. 1, for the water inlet pipe 20, the water inlet pipe 20 is connected with a water supply device, and the water supply device is arranged in the rotary drilling rig body 1.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, the drill rod 2 drives the drill bit body 4 to lift, so that the drill bit body 4 extends into a drill hole to open and unload soil, the power head 3 provides torque for the drill rod 2, the drill rod 2 rotates, the drill bit body 4 and the drill bit bottom cover 5 rotate, soil at the bottom of the hole is screwed into the drill bit body 4 by matching with the drill teeth 6, the power head 3 moves towards the direction close to the drill bit body 4, the power head 3 abuts against the abutting ring 9, the abutting ring 9 drives the push rod 8 to slide downwards, the push plate 7 moves towards the bottom end of the drill bit body 4 under the driving of the push rod 8 and pushes the soil in the drill bit body 4 to the bottom end of the drill bit body 4, when the push plate 7 scrapes and pushes the soil in the drill bit 4, the scraper 13 is firstly driven to scrape and push part of the soil in the drill bit body 4 to the bottom, so that the pushing force of the follow-up, therefore, the stability of the connection relation between the push plate 7 and the push rod 8 is improved, the power head 3 is moved towards the direction close to the drill bit body 4, in the process, the power head 3 can abut against the inclined block 11 at the top end of the connecting rod 10, the inclined block 11 and the top end of the connecting rod 10 are pushed towards the outer side, meanwhile, the bottom end, back to one side of the inclined block 11, of the connecting rod 10 moves towards the direction away from the hook 12, the connecting rod 10 is separated from the hook 12, the drill bit bottom cover 5 is turned downwards under the action of gravity, the bottom end of the drill bit body 4 is communicated with the outside, the water inlet pipe 20 is inserted into the second internal threaded hole 18, the water inlet pipe 20 is communicated with the inside of the drill bit body 4, water is led into the drill bit body 4, the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The foundation pit supporting bored pile construction equipment is characterized by comprising a rotary drilling rig body (1), wherein a drill rod (2) is arranged on the rotary drilling rig body (1), a power head (3) is connected to the rotary drilling rig body (1) in a sliding manner, the drill rod (2) is inserted into the power head (3), a drill bit body (4) is arranged at the bottom of the drill rod (2), a drill bit bottom cover (5) is hinged to the bottom of the drill bit body (4), sawteeth (6) are arranged below the drill bit bottom cover (5), the drill bit body (4) is arranged at the bottom end of the drill rod (2), a push plate (7) is arranged in the drill bit body (4), a plurality of push rods (8) are vertically and fixedly connected to the top end of the push plate (7), a support ring (9) is fixedly connected to the top ends of the push rods (8), and the support ring (9) is arranged below the power head (3) and is abutted, the drill bit body (4) is rotatably connected with a connecting rod (10) at the top end far away from the hinged position of the drill bit body and the drill bit bottom cover (5), an inclined block (11) is fixedly arranged at one end, facing the power head (3), of the top end of the connecting rod (10), a clamping hook (12) is clamped and matched at the bottom end, facing away from the hinged point of the connecting rod (10), of the inclined block (11), the clamping hook (12) is fixedly connected with one end, far away from the hinged point of the drill bit bottom cover (5), a plurality of scraping plates (13) are fixedly arranged at the bottom end of the push plate (7), the other ends of the plurality of scraping plates (13) are respectively contacted with the inner wall of the drill bit body (4), the plurality of scraping plates (13) are detachably connected through two parts, a plurality of second internal threaded holes (18) are formed in the drill bit body (4), matched second threaded rods (19) are inserted in the second internal threaded, the outer wall of the water inlet pipe (20) is provided with external threads matched with the interiors of the second internal thread holes (18).

2. The foundation pit supporting bored pile construction equipment according to claim 1, wherein a sliding cylinder (21) is fixedly arranged at the connection of the drill body (4) and the plurality of push rods (8), and the plurality of push rods (8) are respectively connected with the corresponding sliding cylinder (21) in a sliding manner.

3. A foundation pit support bored pile construction equipment according to claim 1, wherein a torsion spring (22) is provided between the connecting rod (10) and the bit body (4), the bit body (4) is provided with an isolation groove (23) at the connecting rod (10), and the connecting rod (10) is located in the isolation groove (23).

4. The foundation pit supporting bored pile construction equipment according to claim 1, wherein the plurality of scrapers (13) are composed of a rod body (14) and scrapers (15), a first internal threaded hole (16) is formed in one end, located at one end of each scraper (15), of the rod body (14), a first threaded rod (17) matched with the internal threaded hole (16) is fixedly arranged at one end, located at one end of the rod body (14), of each scraper (15), and the scrapers (15) are in contact with the inner wall of the drill body (4).

5. The foundation pit support bored pile construction equipment according to claim 1, wherein the water inlet pipe (20) is connected with water supply equipment, and the water supply equipment is disposed in the rotary drilling rig body (1).