CN-224227774-U - Silt soil layer foundation ditch cement stirring soil reinforcing bar stake implantation device

CN224227774UCN 224227774 UCN224227774 UCN 224227774UCN-224227774-U

Abstract

The utility model relates to the technical field of foundation pit support and discloses a foundation pit cement stirring soil reinforced pile implantation device for a silt soil layer, which comprises a drill bit, wherein a spiral drill rod is arranged on the inner wall of the drill bit, a push block is slidably connected to the outer wall of the spiral drill rod, a first spring is arranged on the inner wall of the drill bit, a clamping block is fixedly connected to the top end of the first spring, the outer wall of the guide block is slidably connected to the inner wall of the drill bit, a second spring is arranged on the inner wall of the guide block, a limiting block is fixedly connected to the outer wall of the second spring, the outer wall of the limiting block is slidably connected to the inner wall of the guide block, a fixing block is clamped on the outer wall of the limiting block, the inner wall of the fixing block is arranged on the outer wall of the drill bit, and a spraying assembly is arranged on the outer wall of the spiral drill rod. According to the utility model, the drill bit is arranged in the spiral drill rod, and the guide blocks can be used for quickly replacing and installing different types of drill bits, so that the effects of shortening the replacement time and improving the drilling efficiency are achieved.

Inventors

LIU XINGYU
WANG YANCHAO
LIU MIAO
HUANG HONGBIN
HU HAIBO
DONG ZHAO
GUO JIAN
BAI XUE
BAI WENKUI
FENG XIAOXI
LI NANNAN

Assignees

北京市政建设集团有限责任公司
北京市市政二建设工程有限责任公司

Dates

Publication Date: 20260512
Application Date: 20250717

Claims (8)

1. The device for implanting the foundation pit cement stirring reinforced pile in the silt soil layer comprises a drill bit (1) and is characterized in that a spiral drill rod (11) is arranged on the inner wall of the drill bit (1), a push block (12) is slidably connected to the outer wall of the spiral drill rod (11), a first spring (13) is arranged on the inner wall of the drill bit (1), a clamping block (14) is fixedly connected to the top end of the first spring (13), a limiting block (18) is fixedly connected to the outer wall of the clamping block (14) and is rotatably connected to the inner wall of the push block (12), a guide block (15) is rotatably connected to the outer wall of the clamping block (14) and is provided with a tension spring (16), the outer wall of the guide block (15) is slidably connected to the inner wall of the drill bit (1), a second spring (17) is arranged on the inner wall of the guide block (15), a limiting block (18) is fixedly connected to the outer wall of the limiting block (18), and the limiting block (18) is fixedly connected to the outer wall of the inner wall (19) of the guide block (15), the outer wall of the spiral drill rod (11) is provided with a spraying assembly (2).
2. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer of claim 1, wherein the spraying assembly (2) comprises a mud spraying head (21), the inner wall of the mud spraying head (21) is fixedly connected with the outer wall of a spiral drill rod (11), a supporting pile (22) is arranged on the outer wall of the drill bit (1), the outer wall of the spiral drill rod (11) is rotatably connected with the inner wall of the supporting pile (22), a guide plate (23) is slidably connected with the outer wall of the supporting pile (22), and a blanking assembly (3) is arranged on the outer wall of the guide plate (23).
3. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer of claim 2, wherein the blanking component (3) comprises a base (31), the inner wall of the base (31) is fixedly connected with the outer wall of the guide piece (23), the outer wall of the base (31) is fixedly connected with an electric push rod (32), the output end of the electric push rod (32) is fixedly provided with a blanking block (33), and the outer wall of the blanking block (33) is slidably connected with the inner wall of the base (31).
4. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer according to claim 3, wherein a baffle plate (34) is fixedly connected to the upper surface of the blanking block (33), and a storage block (35) is fixedly connected to the upper surface of the base (31).
5. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer of claim 4, wherein the upper surface of the base (31) is fixedly connected with a guide plate (36), the upper surface of the blanking block (33) is slidably connected to the lower surface of the guide plate (36), and the upper surface of the blanking block (33) is provided with a supporting component (4).
6. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer according to claim 5, wherein the supporting component (4) comprises a rack (41), the outer wall of the rack (41) is fixedly connected to the upper surface of the blanking block (33), and the outer wall of the rack (41) is slidably connected to the inner wall of the guide plate (36).
7. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer is characterized in that a toothed end of the rack (41) is connected with a gear (42) on one side in a meshed mode, the inner wall of the gear (42) is fixedly connected with a fixing rod (43), the outer wall of the fixing rod (43) is rotatably connected with the inner wall of the guide plate (36), the toothed end of the gear (42) on the other side is connected with a push-pull rod (44) in a meshed mode, and the outer wall of the push-pull rod (44) is slidably connected with the inner wall of the guide plate (36).
8. The device for implanting the foundation pit cement stirring soil reinforced pile in the silt soil layer according to claim 7, wherein the outer wall of the push-pull rod (44) is connected with a limiting pipe (45) in a sliding manner, and the outer wall of the limiting pipe (45) is fixedly connected with the inner wall of the guide plate (36).

Description

Silt soil layer foundation ditch cement stirring soil reinforcing bar stake implantation device Technical Field The utility model relates to the technical field of foundation pit support, in particular to a cement stirring soil reinforced pile implantation device for a foundation pit of a silt soil layer. Background The device for implanting the reinforced concrete pile into the cement stirring soil in the foundation pit of the silt soil layer is special equipment for implanting the reinforced concrete pile into the cement stirring soil in the foundation pit construction of the silt soil layer and mainly comprises a stirring pile power head, a clutch, a hydraulic station, a rotary table, a stirring rod and the like, wherein the rotary table drives the stirring rod to rotate, so that cement paste or cement powder and the silt soil layer are stirred in situ to form a columnar cement soil body, and the effects of reinforcing a foundation, stopping water, preventing seepage and the like are achieved. According to the retrieval, chinese patent publication No. CN211735432U discloses a reinforcing mesh fixing structure of a bored pile, which comprises a plurality of transverse pressing ribs, slope protection piles respectively implanted at two ends of the reinforcing mesh, a plurality of longitudinal pressing ribs, reinforcing meshes, J-shaped anchor bars, long straight sections, bending sections, mortar filling and fixing in implantation holes of the J-shaped anchor bars implanted in the soil between piles, and fine stone concrete sprayed on the outer sides of the transverse pressing ribs, the longitudinal pressing ribs and the reinforcing mesh and on one side facing the foundation pit, wherein the inner sides of the transverse pressing ribs and the plurality of longitudinal pressing ribs and on one side facing the soil between piles. The pile-to-pile supporting detail node treatment can greatly improve the stability and safety of pile foundation retaining walls, can effectively fix soil between piles, and ensures the safety of foundation pit supporting and the overall stability of a foundation pit. In the prior art, a silt soil layer foundation ditch cement stirring soil reinforced bar stake implantation device is rich in fine granule sand in silt soil layer, and the drill bit is long-term when being under construction and the easy wearing and tearing that cause of sand grain friction to need change different kinds of drill bits when the topography of difference is bored, and change the drill bit and need change through loaded down with trivial details steps such as bolt dismantlement, hoist and mount counterpoint, reduce the problem of boring efficiency when leading to the change time to increase. Disclosure of utility model In order to make up for the defects, the utility model provides a cement stirring soil reinforced pile implantation device for a foundation pit of a silt soil layer, and aims to solve the problems that in the prior art, a drill bit is easy to wear due to long-term friction with sand grains during construction, and the replacement of the drill bit is required to be carried out through complicated steps such as bolt disassembly, hoisting alignment and the like, so that the replacement time of the drill bit is prolonged, and the drilling efficiency is reduced. In order to achieve the aim, the technical scheme is that the cement stirring soil reinforced pile implanting device for the silt soil foundation pit comprises a drill bit, wherein a spiral drill rod is arranged on the inner wall of the drill bit, a pushing block is connected to the outer wall of the spiral drill rod in a sliding mode, a first spring is arranged on the inner wall of the drill bit, a clamping block is fixedly connected to the top end of the first spring, the outer wall of the clamping block is rotationally connected to the inner wall of the drill bit, the outer wall of the clamping block is rotationally connected to the inner wall of the pushing block, a guide block is rotationally connected to the inner wall of the spiral drill rod, a tension spring is arranged on the outer wall of the guide block, a limiting block is fixedly connected to the outer wall of the second spring, the outer wall of the limiting block is slidingly connected to the inner wall of the guide block, a fixing block is fixedly connected to the outer wall of the limiting block in a clamping mode, the inner wall of the fixing block is arranged on the outer wall of the drill bit, and a spraying assembly is arranged on the outer wall of the spiral drill rod. According to the technical scheme, the spiral drill rod is mounted on the outer wall of the spiral drill rod, the first spring mounted on the inner wall of the drill rod pushes the clamping block to clamp the spiral drill rod, the clamping block rotates on the inner wall of the drill rod, the clamping block can be prevented from falling off, after the clamping block is used for fixing the spiral drill