A deep foundation pit fluidized solidified soil backfilling and conveying tool
By designing a deep foundation pit fluidized solidified soil backfilling and conveying tool, and utilizing the self-weight of the fluidized solidified soil for conveying, the problems of coarse and fine aggregate separation and high construction difficulty were solved, achieving low-cost and high-efficiency construction results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI BAOYE GRP CORP
- Filing Date
- 2024-09-30
- Publication Date
- 2026-05-26
AI Technical Summary
In deep foundation pit construction, the separation of coarse and fine aggregates in fluidized solidified soil due to excessive drop height affects the backfill quality, making construction difficult, posing many safety hazards, and existing equipment is costly, complex to maintain, has short conveying distance, and long construction period.
Design a deep foundation pit fluidized solidified soil backfilling and conveying tool, including inlet, chute, chute support, corrugated pipe and outlet. Utilizes the self-weight of the fluidized solidified soil for conveying. The chute is made of galvanized iron sheet, and the corrugated pipe is equipped with a buffer galvanized iron sheet. The inlet is funnel-shaped, and there are baffles on both sides of the chute. The corrugated pipe can be freely extended or shortened, and counterweights prevent imbalance.
It effectively solves the problem of blockage in fluidized solidified soil, reduces construction costs and maintenance difficulty, ensures construction safety, shortens the construction period, and improves construction efficiency.
Smart Images
Figure CN224278502U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of construction engineering, specifically a deep foundation pit fluidized solidified soil backfilling and conveying tool. Background Technology
[0002] When conveying fluidized solidified soil by pump truck, coarse and fine aggregates may separate due to factors such as excessive drop height. This can lead to inconsistent solidified soil composition in different parts of the foundation pit, affecting the backfill quality. Moreover, the deep foundation pit has limited space, making construction difficult and posing significant safety hazards. This can seriously affect the construction schedule and fail to guarantee the quality of the finished product.
[0003] A concrete pump is a device specifically designed for conveying liquid materials such as concrete. Its disadvantages include high equipment cost and stringent maintenance requirements.
[0004] Screw conveyors are a common type of conveying tool that uses rotating helical blades to push fluidized solidified soil forward along a pipeline. A disadvantage is that they have certain requirements regarding the viscosity and moisture content of the material; excessively viscous fluidized solidified soil may cause blockages. The conveying distance is also relatively short.
[0005] Screw conveyors are a common and widely used tool in the field of conveying. Their operating principle relies on continuously rotating screw blades, which can gradually push fluidized solidified soil forward along a specific pipeline.
[0006] However, screw conveyors have some limitations, the most significant being their specific requirements regarding the viscosity and moisture content of the materials they convey. If the viscosity of the solidified fluid is too high or the moisture content is too high, blockages are very likely to occur. This can severely affect the normal operation of the conveying process and may even cause the entire conveying system to stop. Furthermore, screw conveyors also exhibit shortcomings in terms of conveying distance. Their effective conveying distance is relatively short, and screw conveyors cannot fully meet the demands. Concrete pumps are specialized equipment designed to convey fluid materials such as concrete. Their disadvantages include high purchase costs and extremely strict maintenance requirements; even slight negligence can affect equipment performance. Summary of the Invention
[0007] This utility model aims to overcome the defects of the prior art and provide a deep foundation pit fluidized solidified soil backfilling and conveying tool to solve the problems of segregation of fluidized solidified soil due to excessive height, as well as the problems of narrow space in deep foundation pits, high construction difficulty, high construction safety hazards, and long construction period.
[0008] To solve the above-mentioned technical problems, this utility model is implemented as follows:
[0009] A deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: it includes a feed inlet, a chute, a chute support, a corrugated pipe, and a discharge outlet; one end of the chute is connected to the feed inlet, the lower part of the other end of the chute is connected to a vertically arranged corrugated pipe, the lower end of the corrugated pipe is connected to the discharge outlet, and the chute support is installed at the bottom of the chute.
[0010] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: the corrugated pipe can be freely extended or shortened according to the depth of the foundation pit, and a buffer galvanized iron sheet is set inside the corrugated pipe to prevent the separation of coarse and fine aggregates due to large drop, and a counterweight is provided below the feed inlet to achieve balance with the corrugated pipe.
[0011] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: the chute is a galvanized iron sheet chute, and baffle plates are set on both sides of the chute.
[0012] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: slots matching the baffle plates are pre-set on both sides of the chute, and the baffle plates are inserted into the slots to connect with the chute.
[0013] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: the feed inlet is funnel-shaped.
[0014] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: the feed inlet and the chute are connected by bolts.
[0015] The deep foundation pit fluidized solidified soil backfilling and conveying tool is characterized in that: an inclined support rod is set between the bottom of the chute and the corrugated pipe.
[0016] The beneficial effects of this utility model are as follows: As can be seen from the above technical solution, this application provides a deep foundation pit fluidized solidified soil backfilling and conveying tool. This tool mainly utilizes the gravity of the fluidized solidified soil itself for conveying, significantly reducing reliance on and waste of other energy sources and machinery. It successfully solves the thorny problem of easy blockage during the conveying process of fluidized solidified soil, and also solves the dilemma of construction being impossible due to insufficient conveying distance. This new conveying tool effectively reduces the cost of backfilling and conveying. Moreover, the new tool also shows significant advantages in subsequent maintenance and cleaning. Its relatively simple structure and design make maintenance work simpler and greatly reduce maintenance costs. In deep foundation pit construction projects, traditional conveying tools often experience frequent downtime for maintenance due to blockage, increasing the risk of cost and project delays. The new tool avoids these problems and provides a strong guarantee for the smooth progress of the project.
[0017] The deep foundation pit fluidized solidified soil backfilling and conveying tool mainly uses the self-weight of the fluidized solidified soil for transportation. The feed inlet is designed in a funnel shape to prevent material waste caused by excessive soil overflow. The chute is designed as an open chute and uses galvanized iron sheet to greatly reduce the friction between the fluidized solidified soil and the chute. Baffles are set on both sides of the chute to prevent the fluidized solidified soil from overflowing. The rear corrugated pipe can be freely extended or shortened according to the depth of the foundation pit, and the corrugated pipe is equipped with buffer galvanized iron sheet to prevent the separation of coarse and fine aggregates due to large drop. The tool is equipped with a counterweight below the feed inlet to prevent the tool from becoming unbalanced due to excessive corrugated pipe length, which could cause safety hazards. In addition, these materials are inexpensive, and some parts can be processed and manufactured using waste materials from the construction site, resulting in a low overall cost. Attached Figure Description
[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:
[0019] Figure 1 This is a schematic diagram of the structure of this application. Detailed Implementation
[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection claimed in this application.
[0021] like Figure 1 As shown: A deep foundation pit fluidized solidified soil backfilling and conveying tool, which includes an inlet 1, a chute 2, a chute support 3, a corrugated pipe 6, and an outlet 9; one end of the chute is connected to the inlet, the lower part of the other end of the chute is connected to the vertically arranged corrugated pipe, the lower end of the corrugated pipe is connected to the outlet, the chute support is installed at the bottom of the chute, and the chute support and the chute are connected by welding, and the welding method is full welding.
[0022] The chute is a galvanized iron sheet chute, which greatly reduces the friction between the fluidized solidified soil and the chute. Baffle plates 5 are installed on both sides of the chute to prevent the fluidized solidified soil from overflowing.
[0023] The baffle plate and the chute can be connected via slots. Slots matching the baffle plate are pre-set on both sides of the chute, and the baffle plate is inserted into the slots to connect with the chute.
[0024] The feed inlet is funnel-shaped to prevent material waste caused by excessive soil overflow.
[0025] The feed inlet and the chute are tightly connected by bolts. Holes are precisely drilled at corresponding positions on both the feed inlet and the chute, and then screws of the appropriate size are passed through these holes and tightened to ensure a secure connection between the feed inlet and the chute, preventing loosening or separation during transport.
[0026] An inclined support rod 7 is installed between the chute and the bottom of the corrugated pipe.
[0027] The connection between the chute and the bellows is made with bolts. Corresponding bolt holes are set at the connection points of the chute and the bellows. The bolts are passed through the bolt holes and then tightened with nuts. This connection method facilitates disassembly and adjustment, while also ensuring the connection's firmness and sealing.
[0028] The deep foundation pit fluidized solidified soil backfilling and conveying tool mainly uses the self-weight of the fluidized solidified soil for conveying. The feed inlet is set in a funnel shape, and the chute is set in an open chute. Baffles are set on both sides of the chute. The rear corrugated pipe can be freely extended or shortened according to the depth of the foundation pit. The corrugated pipe is equipped with a buffer galvanized iron sheet 8 to prevent the separation of coarse and fine aggregates due to large drop. The tool is equipped with a counterweight 4 below the feed inlet to prevent the tool from becoming unbalanced due to excessive corrugated pipe, which may cause safety hazards. The counterweight is balanced with the corrugated pipe.
[0029] The above are merely embodiments provided in this application and are not intended to limit this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A deep foundation pit flow state solidified soil backfill conveying tool, characterized in that: It includes a feed inlet, a chute, a chute support, a corrugated pipe, and a discharge outlet; one end of the chute is connected to the feed inlet, the lower part of the other end of the chute is connected to a vertically arranged corrugated pipe, the lower end of the corrugated pipe is connected to the discharge outlet, and the chute support is installed at the bottom of the chute.
2. The deep foundation flow state solidified soil backfill conveying tool according to claim 1, characterized in that: The corrugated pipe can be freely extended or shortened according to the depth of the pit, and a buffer galvanized iron sheet is installed inside the corrugated pipe to prevent the separation of coarse and fine aggregates due to the drop. A counterweight is installed below the feed inlet to achieve balance with the corrugated pipe.
3. The deep foundation pit fluidized solidified soil backfilling and conveying tool according to claim 1, characterized in that: The chute is a galvanized iron sheet chute, and baffles are installed on both sides of the chute.
4. The deep foundation pit fluidized solidified soil backfilling and conveying tool according to claim 3, characterized in that: The sides of the chute are pre-set with slots that match the baffle plates. The baffle plates are inserted into the slots to connect with the chute.
5. The deep foundation pit fluidized solidified soil backfilling and conveying tool according to claim 1, characterized in that: The feed inlet is funnel-shaped.
6. The deep foundation pit fluidized solidified soil backfilling and conveying tool according to claim 1, characterized in that: The feed inlet is connected to the chute by bolts.
7. The deep foundation pit fluidized solidified soil backfilling and conveying tool according to claim 1, characterized in that: An inclined support rod is installed between the chute and the bottom of the corrugated pipe.