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CN-224214122-U - Triaxial stirring stake drill bit structure of rich water gravel sand layer

CN224214122UCN 224214122 UCN224214122 UCN 224214122UCN-224214122-U

Abstract

The utility model relates to the technical field of stirring pile drill bits, in particular to a triaxial stirring pile drill bit structure for a water-rich gravel layer, which comprises a stirring drill bit, wherein an anti-surge plate and stirring blades are fixedly arranged on the upper side wall and the lower side wall of the stirring drill bit respectively through bolts, the number of the anti-surge plate and the number of the stirring blades are two, a conical advancing head is integrally and fixedly arranged at the bottom end of the stirring drill bit, a conical cutter head is sleeved on the outer wall of the conical advancing head, a first through hole and a second through hole are respectively formed in the conical advancing head and the conical cutter head, and fixing bolts for fixing the conical cutter head on the conical advancing head are jointly arranged in the first through hole and the second through hole. According to the utility model, the pull ring is pulled, so that the sliding ring drives one end of the connecting rod to move upwards, and the other end of the connecting rod pulls the moving block to move towards the direction of the fixed rod, so that the moving block slides out of the limiting groove, the limit of the conical cutter head is relieved, the conical cutter head can be replaced quickly, and excessive time is avoided when the conical cutter head is replaced.

Inventors

  • LI JIEMING
  • WU JINZHEN
  • CHENG PENGFEI
  • CHENG ZHIWEN
  • HE WEIYONG
  • GUO JIE
  • ZHONG JING

Assignees

  • 中煤江南建设发展集团有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (10)

  1. 1. The utility model provides a rich water gravel sand layer triaxial stirring stake drill bit structure, includes stirring drill bit (1), its characterized in that, both sides wall has anti-surge board (4) and stirring vane (3) through bolt fixed mounting respectively about stirring drill bit (1), and the quantity of anti-surge board (4) and stirring vane (3) is two, the integrative fixed mounting in stirring drill bit (1) bottom has toper to advance first (5), toper advance first (5) outer wall cover and be equipped with toper tool bit (2), and first through-hole (6) and second through-hole (7) have been seted up on toper advance first (5) and the toper tool bit (2) respectively, be provided with the fixing bolt who fixes toper tool bit (2) on toper advance first (5) in first through-hole (6) and the second through-hole (7) jointly.
  2. 2. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 1, wherein the conical cutter head (2) is composed of a circular ring sleeved on the outer wall of the conical advancing head (5) and two cutter heads integrally installed on two side walls of the circular ring, and two symmetrically arranged first sliding holes (8) are formed in the inner wall of the circular ring on the conical cutter head (2).
  3. 3. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 2, wherein two limiting blocks (9) which are symmetrically arranged are integrally and fixedly arranged on two side walls of the conical advancing head (5), and the two limiting blocks (9) are respectively and slidably arranged in the two first sliding holes (8).
  4. 4. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 3, wherein two symmetrically arranged mounting grooves (16) are formed in the conical advancing head (5), fixing rods (10) are fixedly arranged in the two mounting grooves (16), sliding rings (11) are slidably arranged on the outer walls of the fixing rods (10), springs (12) are fixedly arranged on the sliding rings (11), and the upper ends of the springs (12) are fixedly arranged in the mounting grooves (16).
  5. 5. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 4, wherein the two limiting blocks (9) and the two first sliding holes (8) are respectively provided with a second sliding hole (15) and a limiting groove (23) which are correspondingly arranged, and the second sliding holes (15) are internally provided with a moving block (14).
  6. 6. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 5, wherein a connecting rod (13) is rotatably installed on the outer wall of the moving block (14) through a rotating seat, and the other end of the connecting rod (13) is rotatably installed on the outer wall of the sliding ring (11) through the rotating seat.
  7. 7. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 6, wherein the two limiting blocks (9) are provided with placing grooves (17), two ends of each placing groove (17) are respectively communicated with the second sliding holes (15) and the mounting grooves (16), and the connecting rod (13) is arranged in each placing groove (17).
  8. 8. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 7, wherein a placement hole (20) communicated with the installation groove (16) is formed in the conical advancing head (5), an opening at the bottom of the placement hole (20) is formed in the upper portion of the installation groove (16), and an opening at the upper end of the placement hole (20) is formed in the outer wall of the conical advancing head (5).
  9. 9. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 8, wherein a fixed plate (18) arranged on the upper portion of the joint of the sliding ring (11) and the connecting rod (13) is fixedly arranged on the sliding ring (11), a tension rope (19) is fixedly arranged on the fixed plate (18), and the tension rope (19) is slidably arranged in the placing hole (20).
  10. 10. The triaxial stirring pile drill bit structure for the water-rich gravel layer according to claim 9, wherein the upper end of the pull rope (19) extends out of the placement hole (20) and is fixedly provided with a pull ring (21), and the outer wall of the conical advancing head (5) is fixedly provided with a protective frame (22) arranged outside the pull ring (21).

Description

Triaxial stirring stake drill bit structure of rich water gravel sand layer Technical Field The utility model relates to the technical field of stirring pile drill bits, in particular to a triaxial stirring pile drill bit structure for a water-rich gravel layer. Background The triaxial mixing pile drill bit is a key component for a triaxial mixing pile machine, and the structural design of the triaxial mixing pile drill bit directly influences construction efficiency and pile forming quality. When the existing triaxial mixing pile drill bit works, the triaxial mixing pile drill bit is driven into the foundation through heavy equipment in a rotating mode, strength of the foundation is improved, the existing triaxial mixing pile drill bit is complex in replacement, the whole drill bit structure is required to be detached, then the drill bit is replaced and the drill bit structure is reassembled, the drill bit is heavy, labor is wasted excessively when the drill bit is replaced, and labor burden of workers is increased. Disclosure of utility model The utility model aims to solve the problem that the drill bit is complicated in replacement in the prior art, and provides a triaxial mixing pile drill bit structure for a water-rich gravel layer. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a rich water gravel sand layer triaxial stirring stake drill bit structure, includes the stirring drill bit, both sides wall has anti-surge board and stirring vane through bolt fixed mounting respectively about the stirring drill bit, and anti-surge board and stirring vane's quantity is two, the integrative fixed mounting of stirring drill bit bottom has the toper to advance the head, toper advances head outer wall cover and is equipped with the toper tool bit, and first through-hole and second through-hole have been seted up respectively on toper advance head and the toper tool bit, be provided with the fixing bolt who advances on the head with the toper tool bit with the toper in first through-hole and the second through-hole jointly. Preferably, the conical cutter head consists of a circular ring sleeved on the outer wall of the conical advancing head and two cutter heads integrally mounted on two side walls of the circular ring, and the inner wall of the circular ring on the conical cutter head is provided with two symmetrically arranged first sliding holes. Preferably, two limiting blocks which are symmetrically arranged are integrally and fixedly arranged on two side walls of the conical advancing head, and the two limiting blocks are respectively and slidably arranged in the two first sliding holes. Preferably, two symmetrically arranged mounting grooves are formed in the conical advancing head, fixing rods are fixedly mounted in the two mounting grooves, sliding rings are slidably arranged on the outer walls of the fixing rods, springs are fixedly mounted on the sliding rings, and the upper ends of the springs are fixedly mounted in the mounting grooves. Preferably, the two limiting blocks and the two first sliding holes are respectively provided with a second sliding hole and a limiting groove which are correspondingly arranged, and the second sliding holes are slidably provided with moving blocks. Preferably, the outer wall of the moving block is rotatably provided with a connecting rod through a rotating seat, and the other end of the connecting rod is rotatably arranged on the outer wall of the sliding ring through the rotating seat. Preferably, the two limiting blocks are provided with placing grooves, two ends of each placing groove are respectively communicated with the second sliding holes and the mounting grooves, and the connecting rods are arranged in the placing grooves. Preferably, a placing hole communicated with the mounting groove is formed in the conical advancing head, an opening at the bottom of the placing hole is formed in the upper portion of the mounting groove, and an opening at the upper end of the placing hole is formed in the outer wall of the conical advancing head. Preferably, the fixed plate arranged at the upper part of the joint of the sliding ring and the connecting rod is fixedly arranged on the sliding ring, the tension rope is fixedly arranged on the fixed plate, and the tension rope is arranged in the placing hole in a sliding manner. Preferably, the upper end of the tension rope extends out of the placing hole and is fixedly provided with a pull ring, and the outer wall of the conical advancing head is fixedly provided with a protective frame arranged outside the pull ring. Compared with the prior art, the utility model has the following advantages: According to the utility model, the pull ring is pulled, so that the sliding ring drives one end of the connecting rod to move upwards, and the other end of the connecting rod pulls the moving block to move towards the direction of the fixed rod, so that